1#!/bin/sh
2# Tcl ignores the next line -*- tcl -*- \
3exec wish "$0" -- "$@"
4
5# Copyright © 2005-2011 Paul Mackerras. All rights reserved.
6# This program is free software; it may be used, copied, modified
7# and distributed under the terms of the GNU General Public Licence,
8# either version 2, or (at your option) any later version.
9
10package require Tk
11
12proc hasworktree {} {
13 return [expr {[exec git rev-parse --is-bare-repository] == "false" &&
14 [exec git rev-parse --is-inside-git-dir] == "false"}]
15}
16
17# A simple scheduler for compute-intensive stuff.
18# The aim is to make sure that event handlers for GUI actions can
19# run at least every 50-100 ms. Unfortunately fileevent handlers are
20# run before X event handlers, so reading from a fast source can
21# make the GUI completely unresponsive.
22proc run args {
23 global isonrunq runq currunq
24
25 set script $args
26 if {[info exists isonrunq($script)]} return
27 if {$runq eq {} && ![info exists currunq]} {
28 after idle dorunq
29 }
30 lappend runq [list {} $script]
31 set isonrunq($script) 1
32}
33
34proc filerun {fd script} {
35 fileevent $fd readable [list filereadable $fd $script]
36}
37
38proc filereadable {fd script} {
39 global runq currunq
40
41 fileevent $fd readable {}
42 if {$runq eq {} && ![info exists currunq]} {
43 after idle dorunq
44 }
45 lappend runq [list $fd $script]
46}
47
48proc nukefile {fd} {
49 global runq
50
51 for {set i 0} {$i < [llength $runq]} {} {
52 if {[lindex $runq $i 0] eq $fd} {
53 set runq [lreplace $runq $i $i]
54 } else {
55 incr i
56 }
57 }
58}
59
60proc dorunq {} {
61 global isonrunq runq currunq
62
63 set tstart [clock clicks -milliseconds]
64 set t0 $tstart
65 while {[llength $runq] > 0} {
66 set fd [lindex $runq 0 0]
67 set script [lindex $runq 0 1]
68 set currunq [lindex $runq 0]
69 set runq [lrange $runq 1 end]
70 set repeat [eval $script]
71 unset currunq
72 set t1 [clock clicks -milliseconds]
73 set t [expr {$t1 - $t0}]
74 if {$repeat ne {} && $repeat} {
75 if {$fd eq {} || $repeat == 2} {
76 # script returns 1 if it wants to be readded
77 # file readers return 2 if they could do more straight away
78 lappend runq [list $fd $script]
79 } else {
80 fileevent $fd readable [list filereadable $fd $script]
81 }
82 } elseif {$fd eq {}} {
83 unset isonrunq($script)
84 }
85 set t0 $t1
86 if {$t1 - $tstart >= 80} break
87 }
88 if {$runq ne {}} {
89 after idle dorunq
90 }
91}
92
93proc reg_instance {fd} {
94 global commfd leftover loginstance
95
96 set i [incr loginstance]
97 set commfd($i) $fd
98 set leftover($i) {}
99 return $i
100}
101
102proc unmerged_files {files} {
103 global nr_unmerged
104
105 # find the list of unmerged files
106 set mlist {}
107 set nr_unmerged 0
108 if {[catch {
109 set fd [open "| git ls-files -u" r]
110 } err]} {
111 show_error {} . "[mc "Couldn't get list of unmerged files:"] $err"
112 exit 1
113 }
114 while {[gets $fd line] >= 0} {
115 set i [string first "\t" $line]
116 if {$i < 0} continue
117 set fname [string range $line [expr {$i+1}] end]
118 if {[lsearch -exact $mlist $fname] >= 0} continue
119 incr nr_unmerged
120 if {$files eq {} || [path_filter $files $fname]} {
121 lappend mlist $fname
122 }
123 }
124 catch {close $fd}
125 return $mlist
126}
127
128proc parseviewargs {n arglist} {
129 global vdatemode vmergeonly vflags vdflags vrevs vfiltered vorigargs env
130 global worddiff git_version
131
132 set vdatemode($n) 0
133 set vmergeonly($n) 0
134 set glflags {}
135 set diffargs {}
136 set nextisval 0
137 set revargs {}
138 set origargs $arglist
139 set allknown 1
140 set filtered 0
141 set i -1
142 foreach arg $arglist {
143 incr i
144 if {$nextisval} {
145 lappend glflags $arg
146 set nextisval 0
147 continue
148 }
149 switch -glob -- $arg {
150 "-d" -
151 "--date-order" {
152 set vdatemode($n) 1
153 # remove from origargs in case we hit an unknown option
154 set origargs [lreplace $origargs $i $i]
155 incr i -1
156 }
157 "-[puabwcrRBMC]" -
158 "--no-renames" - "--full-index" - "--binary" - "--abbrev=*" -
159 "--find-copies-harder" - "-l*" - "--ext-diff" - "--no-ext-diff" -
160 "--src-prefix=*" - "--dst-prefix=*" - "--no-prefix" -
161 "-O*" - "--text" - "--full-diff" - "--ignore-space-at-eol" -
162 "--ignore-space-change" - "-U*" - "--unified=*" {
163 # These request or affect diff output, which we don't want.
164 # Some could be used to set our defaults for diff display.
165 lappend diffargs $arg
166 }
167 "--raw" - "--patch-with-raw" - "--patch-with-stat" -
168 "--name-only" - "--name-status" - "--color" -
169 "--log-size" - "--pretty=*" - "--decorate" - "--abbrev-commit" -
170 "--cc" - "-z" - "--header" - "--parents" - "--boundary" -
171 "--no-color" - "-g" - "--walk-reflogs" - "--no-walk" -
172 "--timestamp" - "relative-date" - "--date=*" - "--stdin" -
173 "--objects" - "--objects-edge" - "--reverse" {
174 # These cause our parsing of git log's output to fail, or else
175 # they're options we want to set ourselves, so ignore them.
176 }
177 "--color-words*" - "--word-diff=color" {
178 # These trigger a word diff in the console interface,
179 # so help the user by enabling our own support
180 if {[package vcompare $git_version "1.7.2"] >= 0} {
181 set worddiff [mc "Color words"]
182 }
183 }
184 "--word-diff*" {
185 if {[package vcompare $git_version "1.7.2"] >= 0} {
186 set worddiff [mc "Markup words"]
187 }
188 }
189 "--stat=*" - "--numstat" - "--shortstat" - "--summary" -
190 "--check" - "--exit-code" - "--quiet" - "--topo-order" -
191 "--full-history" - "--dense" - "--sparse" -
192 "--follow" - "--left-right" - "--encoding=*" {
193 # These are harmless, and some are even useful
194 lappend glflags $arg
195 }
196 "--diff-filter=*" - "--no-merges" - "--unpacked" -
197 "--max-count=*" - "--skip=*" - "--since=*" - "--after=*" -
198 "--until=*" - "--before=*" - "--max-age=*" - "--min-age=*" -
199 "--author=*" - "--committer=*" - "--grep=*" - "-[iE]" -
200 "--remove-empty" - "--first-parent" - "--cherry-pick" -
201 "-S*" - "--pickaxe-all" - "--pickaxe-regex" -
202 "--simplify-by-decoration" {
203 # These mean that we get a subset of the commits
204 set filtered 1
205 lappend glflags $arg
206 }
207 "-n" {
208 # This appears to be the only one that has a value as a
209 # separate word following it
210 set filtered 1
211 set nextisval 1
212 lappend glflags $arg
213 }
214 "--not" - "--all" {
215 lappend revargs $arg
216 }
217 "--merge" {
218 set vmergeonly($n) 1
219 # git rev-parse doesn't understand --merge
220 lappend revargs --gitk-symmetric-diff-marker MERGE_HEAD...HEAD
221 }
222 "--no-replace-objects" {
223 set env(GIT_NO_REPLACE_OBJECTS) "1"
224 }
225 "-*" {
226 # Other flag arguments including -<n>
227 if {[string is digit -strict [string range $arg 1 end]]} {
228 set filtered 1
229 } else {
230 # a flag argument that we don't recognize;
231 # that means we can't optimize
232 set allknown 0
233 }
234 lappend glflags $arg
235 }
236 default {
237 # Non-flag arguments specify commits or ranges of commits
238 if {[string match "*...*" $arg]} {
239 lappend revargs --gitk-symmetric-diff-marker
240 }
241 lappend revargs $arg
242 }
243 }
244 }
245 set vdflags($n) $diffargs
246 set vflags($n) $glflags
247 set vrevs($n) $revargs
248 set vfiltered($n) $filtered
249 set vorigargs($n) $origargs
250 return $allknown
251}
252
253proc parseviewrevs {view revs} {
254 global vposids vnegids
255
256 if {$revs eq {}} {
257 set revs HEAD
258 }
259 if {[catch {set ids [eval exec git rev-parse $revs]} err]} {
260 # we get stdout followed by stderr in $err
261 # for an unknown rev, git rev-parse echoes it and then errors out
262 set errlines [split $err "\n"]
263 set badrev {}
264 for {set l 0} {$l < [llength $errlines]} {incr l} {
265 set line [lindex $errlines $l]
266 if {!([string length $line] == 40 && [string is xdigit $line])} {
267 if {[string match "fatal:*" $line]} {
268 if {[string match "fatal: ambiguous argument*" $line]
269 && $badrev ne {}} {
270 if {[llength $badrev] == 1} {
271 set err "unknown revision $badrev"
272 } else {
273 set err "unknown revisions: [join $badrev ", "]"
274 }
275 } else {
276 set err [join [lrange $errlines $l end] "\n"]
277 }
278 break
279 }
280 lappend badrev $line
281 }
282 }
283 error_popup "[mc "Error parsing revisions:"] $err"
284 return {}
285 }
286 set ret {}
287 set pos {}
288 set neg {}
289 set sdm 0
290 foreach id [split $ids "\n"] {
291 if {$id eq "--gitk-symmetric-diff-marker"} {
292 set sdm 4
293 } elseif {[string match "^*" $id]} {
294 if {$sdm != 1} {
295 lappend ret $id
296 if {$sdm == 3} {
297 set sdm 0
298 }
299 }
300 lappend neg [string range $id 1 end]
301 } else {
302 if {$sdm != 2} {
303 lappend ret $id
304 } else {
305 lset ret end $id...[lindex $ret end]
306 }
307 lappend pos $id
308 }
309 incr sdm -1
310 }
311 set vposids($view) $pos
312 set vnegids($view) $neg
313 return $ret
314}
315
316# Start off a git log process and arrange to read its output
317proc start_rev_list {view} {
318 global startmsecs commitidx viewcomplete curview
319 global tclencoding
320 global viewargs viewargscmd viewfiles vfilelimit
321 global showlocalchanges
322 global viewactive viewinstances vmergeonly
323 global mainheadid viewmainheadid viewmainheadid_orig
324 global vcanopt vflags vrevs vorigargs
325 global show_notes
326
327 set startmsecs [clock clicks -milliseconds]
328 set commitidx($view) 0
329 # these are set this way for the error exits
330 set viewcomplete($view) 1
331 set viewactive($view) 0
332 varcinit $view
333
334 set args $viewargs($view)
335 if {$viewargscmd($view) ne {}} {
336 if {[catch {
337 set str [exec sh -c $viewargscmd($view)]
338 } err]} {
339 error_popup "[mc "Error executing --argscmd command:"] $err"
340 return 0
341 }
342 set args [concat $args [split $str "\n"]]
343 }
344 set vcanopt($view) [parseviewargs $view $args]
345
346 set files $viewfiles($view)
347 if {$vmergeonly($view)} {
348 set files [unmerged_files $files]
349 if {$files eq {}} {
350 global nr_unmerged
351 if {$nr_unmerged == 0} {
352 error_popup [mc "No files selected: --merge specified but\
353 no files are unmerged."]
354 } else {
355 error_popup [mc "No files selected: --merge specified but\
356 no unmerged files are within file limit."]
357 }
358 return 0
359 }
360 }
361 set vfilelimit($view) $files
362
363 if {$vcanopt($view)} {
364 set revs [parseviewrevs $view $vrevs($view)]
365 if {$revs eq {}} {
366 return 0
367 }
368 set args [concat $vflags($view) $revs]
369 } else {
370 set args $vorigargs($view)
371 }
372
373 if {[catch {
374 set fd [open [concat | git log --no-color -z --pretty=raw $show_notes \
375 --parents --boundary $args "--" $files] r]
376 } err]} {
377 error_popup "[mc "Error executing git log:"] $err"
378 return 0
379 }
380 set i [reg_instance $fd]
381 set viewinstances($view) [list $i]
382 set viewmainheadid($view) $mainheadid
383 set viewmainheadid_orig($view) $mainheadid
384 if {$files ne {} && $mainheadid ne {}} {
385 get_viewmainhead $view
386 }
387 if {$showlocalchanges && $viewmainheadid($view) ne {}} {
388 interestedin $viewmainheadid($view) dodiffindex
389 }
390 fconfigure $fd -blocking 0 -translation lf -eofchar {}
391 if {$tclencoding != {}} {
392 fconfigure $fd -encoding $tclencoding
393 }
394 filerun $fd [list getcommitlines $fd $i $view 0]
395 nowbusy $view [mc "Reading"]
396 set viewcomplete($view) 0
397 set viewactive($view) 1
398 return 1
399}
400
401proc stop_instance {inst} {
402 global commfd leftover
403
404 set fd $commfd($inst)
405 catch {
406 set pid [pid $fd]
407
408 if {$::tcl_platform(platform) eq {windows}} {
409 exec kill -f $pid
410 } else {
411 exec kill $pid
412 }
413 }
414 catch {close $fd}
415 nukefile $fd
416 unset commfd($inst)
417 unset leftover($inst)
418}
419
420proc stop_backends {} {
421 global commfd
422
423 foreach inst [array names commfd] {
424 stop_instance $inst
425 }
426}
427
428proc stop_rev_list {view} {
429 global viewinstances
430
431 foreach inst $viewinstances($view) {
432 stop_instance $inst
433 }
434 set viewinstances($view) {}
435}
436
437proc reset_pending_select {selid} {
438 global pending_select mainheadid selectheadid
439
440 if {$selid ne {}} {
441 set pending_select $selid
442 } elseif {$selectheadid ne {}} {
443 set pending_select $selectheadid
444 } else {
445 set pending_select $mainheadid
446 }
447}
448
449proc getcommits {selid} {
450 global canv curview need_redisplay viewactive
451
452 initlayout
453 if {[start_rev_list $curview]} {
454 reset_pending_select $selid
455 show_status [mc "Reading commits..."]
456 set need_redisplay 1
457 } else {
458 show_status [mc "No commits selected"]
459 }
460}
461
462proc updatecommits {} {
463 global curview vcanopt vorigargs vfilelimit viewinstances
464 global viewactive viewcomplete tclencoding
465 global startmsecs showneartags showlocalchanges
466 global mainheadid viewmainheadid viewmainheadid_orig pending_select
467 global hasworktree
468 global varcid vposids vnegids vflags vrevs
469 global show_notes
470
471 set hasworktree [hasworktree]
472 rereadrefs
473 set view $curview
474 if {$mainheadid ne $viewmainheadid_orig($view)} {
475 if {$showlocalchanges} {
476 dohidelocalchanges
477 }
478 set viewmainheadid($view) $mainheadid
479 set viewmainheadid_orig($view) $mainheadid
480 if {$vfilelimit($view) ne {}} {
481 get_viewmainhead $view
482 }
483 }
484 if {$showlocalchanges} {
485 doshowlocalchanges
486 }
487 if {$vcanopt($view)} {
488 set oldpos $vposids($view)
489 set oldneg $vnegids($view)
490 set revs [parseviewrevs $view $vrevs($view)]
491 if {$revs eq {}} {
492 return
493 }
494 # note: getting the delta when negative refs change is hard,
495 # and could require multiple git log invocations, so in that
496 # case we ask git log for all the commits (not just the delta)
497 if {$oldneg eq $vnegids($view)} {
498 set newrevs {}
499 set npos 0
500 # take out positive refs that we asked for before or
501 # that we have already seen
502 foreach rev $revs {
503 if {[string length $rev] == 40} {
504 if {[lsearch -exact $oldpos $rev] < 0
505 && ![info exists varcid($view,$rev)]} {
506 lappend newrevs $rev
507 incr npos
508 }
509 } else {
510 lappend $newrevs $rev
511 }
512 }
513 if {$npos == 0} return
514 set revs $newrevs
515 set vposids($view) [lsort -unique [concat $oldpos $vposids($view)]]
516 }
517 set args [concat $vflags($view) $revs --not $oldpos]
518 } else {
519 set args $vorigargs($view)
520 }
521 if {[catch {
522 set fd [open [concat | git log --no-color -z --pretty=raw $show_notes \
523 --parents --boundary $args "--" $vfilelimit($view)] r]
524 } err]} {
525 error_popup "[mc "Error executing git log:"] $err"
526 return
527 }
528 if {$viewactive($view) == 0} {
529 set startmsecs [clock clicks -milliseconds]
530 }
531 set i [reg_instance $fd]
532 lappend viewinstances($view) $i
533 fconfigure $fd -blocking 0 -translation lf -eofchar {}
534 if {$tclencoding != {}} {
535 fconfigure $fd -encoding $tclencoding
536 }
537 filerun $fd [list getcommitlines $fd $i $view 1]
538 incr viewactive($view)
539 set viewcomplete($view) 0
540 reset_pending_select {}
541 nowbusy $view [mc "Reading"]
542 if {$showneartags} {
543 getallcommits
544 }
545}
546
547proc reloadcommits {} {
548 global curview viewcomplete selectedline currentid thickerline
549 global showneartags treediffs commitinterest cached_commitrow
550 global targetid
551
552 set selid {}
553 if {$selectedline ne {}} {
554 set selid $currentid
555 }
556
557 if {!$viewcomplete($curview)} {
558 stop_rev_list $curview
559 }
560 resetvarcs $curview
561 set selectedline {}
562 catch {unset currentid}
563 catch {unset thickerline}
564 catch {unset treediffs}
565 readrefs
566 changedrefs
567 if {$showneartags} {
568 getallcommits
569 }
570 clear_display
571 catch {unset commitinterest}
572 catch {unset cached_commitrow}
573 catch {unset targetid}
574 setcanvscroll
575 getcommits $selid
576 return 0
577}
578
579# This makes a string representation of a positive integer which
580# sorts as a string in numerical order
581proc strrep {n} {
582 if {$n < 16} {
583 return [format "%x" $n]
584 } elseif {$n < 256} {
585 return [format "x%.2x" $n]
586 } elseif {$n < 65536} {
587 return [format "y%.4x" $n]
588 }
589 return [format "z%.8x" $n]
590}
591
592# Procedures used in reordering commits from git log (without
593# --topo-order) into the order for display.
594
595proc varcinit {view} {
596 global varcstart vupptr vdownptr vleftptr vbackptr varctok varcrow
597 global vtokmod varcmod vrowmod varcix vlastins
598
599 set varcstart($view) {{}}
600 set vupptr($view) {0}
601 set vdownptr($view) {0}
602 set vleftptr($view) {0}
603 set vbackptr($view) {0}
604 set varctok($view) {{}}
605 set varcrow($view) {{}}
606 set vtokmod($view) {}
607 set varcmod($view) 0
608 set vrowmod($view) 0
609 set varcix($view) {{}}
610 set vlastins($view) {0}
611}
612
613proc resetvarcs {view} {
614 global varcid varccommits parents children vseedcount ordertok
615
616 foreach vid [array names varcid $view,*] {
617 unset varcid($vid)
618 unset children($vid)
619 unset parents($vid)
620 }
621 # some commits might have children but haven't been seen yet
622 foreach vid [array names children $view,*] {
623 unset children($vid)
624 }
625 foreach va [array names varccommits $view,*] {
626 unset varccommits($va)
627 }
628 foreach vd [array names vseedcount $view,*] {
629 unset vseedcount($vd)
630 }
631 catch {unset ordertok}
632}
633
634# returns a list of the commits with no children
635proc seeds {v} {
636 global vdownptr vleftptr varcstart
637
638 set ret {}
639 set a [lindex $vdownptr($v) 0]
640 while {$a != 0} {
641 lappend ret [lindex $varcstart($v) $a]
642 set a [lindex $vleftptr($v) $a]
643 }
644 return $ret
645}
646
647proc newvarc {view id} {
648 global varcid varctok parents children vdatemode
649 global vupptr vdownptr vleftptr vbackptr varcrow varcix varcstart
650 global commitdata commitinfo vseedcount varccommits vlastins
651
652 set a [llength $varctok($view)]
653 set vid $view,$id
654 if {[llength $children($vid)] == 0 || $vdatemode($view)} {
655 if {![info exists commitinfo($id)]} {
656 parsecommit $id $commitdata($id) 1
657 }
658 set cdate [lindex [lindex $commitinfo($id) 4] 0]
659 if {![string is integer -strict $cdate]} {
660 set cdate 0
661 }
662 if {![info exists vseedcount($view,$cdate)]} {
663 set vseedcount($view,$cdate) -1
664 }
665 set c [incr vseedcount($view,$cdate)]
666 set cdate [expr {$cdate ^ 0xffffffff}]
667 set tok "s[strrep $cdate][strrep $c]"
668 } else {
669 set tok {}
670 }
671 set ka 0
672 if {[llength $children($vid)] > 0} {
673 set kid [lindex $children($vid) end]
674 set k $varcid($view,$kid)
675 if {[string compare [lindex $varctok($view) $k] $tok] > 0} {
676 set ki $kid
677 set ka $k
678 set tok [lindex $varctok($view) $k]
679 }
680 }
681 if {$ka != 0} {
682 set i [lsearch -exact $parents($view,$ki) $id]
683 set j [expr {[llength $parents($view,$ki)] - 1 - $i}]
684 append tok [strrep $j]
685 }
686 set c [lindex $vlastins($view) $ka]
687 if {$c == 0 || [string compare $tok [lindex $varctok($view) $c]] < 0} {
688 set c $ka
689 set b [lindex $vdownptr($view) $ka]
690 } else {
691 set b [lindex $vleftptr($view) $c]
692 }
693 while {$b != 0 && [string compare $tok [lindex $varctok($view) $b]] >= 0} {
694 set c $b
695 set b [lindex $vleftptr($view) $c]
696 }
697 if {$c == $ka} {
698 lset vdownptr($view) $ka $a
699 lappend vbackptr($view) 0
700 } else {
701 lset vleftptr($view) $c $a
702 lappend vbackptr($view) $c
703 }
704 lset vlastins($view) $ka $a
705 lappend vupptr($view) $ka
706 lappend vleftptr($view) $b
707 if {$b != 0} {
708 lset vbackptr($view) $b $a
709 }
710 lappend varctok($view) $tok
711 lappend varcstart($view) $id
712 lappend vdownptr($view) 0
713 lappend varcrow($view) {}
714 lappend varcix($view) {}
715 set varccommits($view,$a) {}
716 lappend vlastins($view) 0
717 return $a
718}
719
720proc splitvarc {p v} {
721 global varcid varcstart varccommits varctok vtokmod
722 global vupptr vdownptr vleftptr vbackptr varcix varcrow vlastins
723
724 set oa $varcid($v,$p)
725 set otok [lindex $varctok($v) $oa]
726 set ac $varccommits($v,$oa)
727 set i [lsearch -exact $varccommits($v,$oa) $p]
728 if {$i <= 0} return
729 set na [llength $varctok($v)]
730 # "%" sorts before "0"...
731 set tok "$otok%[strrep $i]"
732 lappend varctok($v) $tok
733 lappend varcrow($v) {}
734 lappend varcix($v) {}
735 set varccommits($v,$oa) [lrange $ac 0 [expr {$i - 1}]]
736 set varccommits($v,$na) [lrange $ac $i end]
737 lappend varcstart($v) $p
738 foreach id $varccommits($v,$na) {
739 set varcid($v,$id) $na
740 }
741 lappend vdownptr($v) [lindex $vdownptr($v) $oa]
742 lappend vlastins($v) [lindex $vlastins($v) $oa]
743 lset vdownptr($v) $oa $na
744 lset vlastins($v) $oa 0
745 lappend vupptr($v) $oa
746 lappend vleftptr($v) 0
747 lappend vbackptr($v) 0
748 for {set b [lindex $vdownptr($v) $na]} {$b != 0} {set b [lindex $vleftptr($v) $b]} {
749 lset vupptr($v) $b $na
750 }
751 if {[string compare $otok $vtokmod($v)] <= 0} {
752 modify_arc $v $oa
753 }
754}
755
756proc renumbervarc {a v} {
757 global parents children varctok varcstart varccommits
758 global vupptr vdownptr vleftptr vbackptr vlastins varcid vtokmod vdatemode
759
760 set t1 [clock clicks -milliseconds]
761 set todo {}
762 set isrelated($a) 1
763 set kidchanged($a) 1
764 set ntot 0
765 while {$a != 0} {
766 if {[info exists isrelated($a)]} {
767 lappend todo $a
768 set id [lindex $varccommits($v,$a) end]
769 foreach p $parents($v,$id) {
770 if {[info exists varcid($v,$p)]} {
771 set isrelated($varcid($v,$p)) 1
772 }
773 }
774 }
775 incr ntot
776 set b [lindex $vdownptr($v) $a]
777 if {$b == 0} {
778 while {$a != 0} {
779 set b [lindex $vleftptr($v) $a]
780 if {$b != 0} break
781 set a [lindex $vupptr($v) $a]
782 }
783 }
784 set a $b
785 }
786 foreach a $todo {
787 if {![info exists kidchanged($a)]} continue
788 set id [lindex $varcstart($v) $a]
789 if {[llength $children($v,$id)] > 1} {
790 set children($v,$id) [lsort -command [list vtokcmp $v] \
791 $children($v,$id)]
792 }
793 set oldtok [lindex $varctok($v) $a]
794 if {!$vdatemode($v)} {
795 set tok {}
796 } else {
797 set tok $oldtok
798 }
799 set ka 0
800 set kid [last_real_child $v,$id]
801 if {$kid ne {}} {
802 set k $varcid($v,$kid)
803 if {[string compare [lindex $varctok($v) $k] $tok] > 0} {
804 set ki $kid
805 set ka $k
806 set tok [lindex $varctok($v) $k]
807 }
808 }
809 if {$ka != 0} {
810 set i [lsearch -exact $parents($v,$ki) $id]
811 set j [expr {[llength $parents($v,$ki)] - 1 - $i}]
812 append tok [strrep $j]
813 }
814 if {$tok eq $oldtok} {
815 continue
816 }
817 set id [lindex $varccommits($v,$a) end]
818 foreach p $parents($v,$id) {
819 if {[info exists varcid($v,$p)]} {
820 set kidchanged($varcid($v,$p)) 1
821 } else {
822 set sortkids($p) 1
823 }
824 }
825 lset varctok($v) $a $tok
826 set b [lindex $vupptr($v) $a]
827 if {$b != $ka} {
828 if {[string compare [lindex $varctok($v) $ka] $vtokmod($v)] < 0} {
829 modify_arc $v $ka
830 }
831 if {[string compare [lindex $varctok($v) $b] $vtokmod($v)] < 0} {
832 modify_arc $v $b
833 }
834 set c [lindex $vbackptr($v) $a]
835 set d [lindex $vleftptr($v) $a]
836 if {$c == 0} {
837 lset vdownptr($v) $b $d
838 } else {
839 lset vleftptr($v) $c $d
840 }
841 if {$d != 0} {
842 lset vbackptr($v) $d $c
843 }
844 if {[lindex $vlastins($v) $b] == $a} {
845 lset vlastins($v) $b $c
846 }
847 lset vupptr($v) $a $ka
848 set c [lindex $vlastins($v) $ka]
849 if {$c == 0 || \
850 [string compare $tok [lindex $varctok($v) $c]] < 0} {
851 set c $ka
852 set b [lindex $vdownptr($v) $ka]
853 } else {
854 set b [lindex $vleftptr($v) $c]
855 }
856 while {$b != 0 && \
857 [string compare $tok [lindex $varctok($v) $b]] >= 0} {
858 set c $b
859 set b [lindex $vleftptr($v) $c]
860 }
861 if {$c == $ka} {
862 lset vdownptr($v) $ka $a
863 lset vbackptr($v) $a 0
864 } else {
865 lset vleftptr($v) $c $a
866 lset vbackptr($v) $a $c
867 }
868 lset vleftptr($v) $a $b
869 if {$b != 0} {
870 lset vbackptr($v) $b $a
871 }
872 lset vlastins($v) $ka $a
873 }
874 }
875 foreach id [array names sortkids] {
876 if {[llength $children($v,$id)] > 1} {
877 set children($v,$id) [lsort -command [list vtokcmp $v] \
878 $children($v,$id)]
879 }
880 }
881 set t2 [clock clicks -milliseconds]
882 #puts "renumbervarc did [llength $todo] of $ntot arcs in [expr {$t2-$t1}]ms"
883}
884
885# Fix up the graph after we have found out that in view $v,
886# $p (a commit that we have already seen) is actually the parent
887# of the last commit in arc $a.
888proc fix_reversal {p a v} {
889 global varcid varcstart varctok vupptr
890
891 set pa $varcid($v,$p)
892 if {$p ne [lindex $varcstart($v) $pa]} {
893 splitvarc $p $v
894 set pa $varcid($v,$p)
895 }
896 # seeds always need to be renumbered
897 if {[lindex $vupptr($v) $pa] == 0 ||
898 [string compare [lindex $varctok($v) $a] \
899 [lindex $varctok($v) $pa]] > 0} {
900 renumbervarc $pa $v
901 }
902}
903
904proc insertrow {id p v} {
905 global cmitlisted children parents varcid varctok vtokmod
906 global varccommits ordertok commitidx numcommits curview
907 global targetid targetrow
908
909 readcommit $id
910 set vid $v,$id
911 set cmitlisted($vid) 1
912 set children($vid) {}
913 set parents($vid) [list $p]
914 set a [newvarc $v $id]
915 set varcid($vid) $a
916 if {[string compare [lindex $varctok($v) $a] $vtokmod($v)] < 0} {
917 modify_arc $v $a
918 }
919 lappend varccommits($v,$a) $id
920 set vp $v,$p
921 if {[llength [lappend children($vp) $id]] > 1} {
922 set children($vp) [lsort -command [list vtokcmp $v] $children($vp)]
923 catch {unset ordertok}
924 }
925 fix_reversal $p $a $v
926 incr commitidx($v)
927 if {$v == $curview} {
928 set numcommits $commitidx($v)
929 setcanvscroll
930 if {[info exists targetid]} {
931 if {![comes_before $targetid $p]} {
932 incr targetrow
933 }
934 }
935 }
936}
937
938proc insertfakerow {id p} {
939 global varcid varccommits parents children cmitlisted
940 global commitidx varctok vtokmod targetid targetrow curview numcommits
941
942 set v $curview
943 set a $varcid($v,$p)
944 set i [lsearch -exact $varccommits($v,$a) $p]
945 if {$i < 0} {
946 puts "oops: insertfakerow can't find [shortids $p] on arc $a"
947 return
948 }
949 set children($v,$id) {}
950 set parents($v,$id) [list $p]
951 set varcid($v,$id) $a
952 lappend children($v,$p) $id
953 set cmitlisted($v,$id) 1
954 set numcommits [incr commitidx($v)]
955 # note we deliberately don't update varcstart($v) even if $i == 0
956 set varccommits($v,$a) [linsert $varccommits($v,$a) $i $id]
957 modify_arc $v $a $i
958 if {[info exists targetid]} {
959 if {![comes_before $targetid $p]} {
960 incr targetrow
961 }
962 }
963 setcanvscroll
964 drawvisible
965}
966
967proc removefakerow {id} {
968 global varcid varccommits parents children commitidx
969 global varctok vtokmod cmitlisted currentid selectedline
970 global targetid curview numcommits
971
972 set v $curview
973 if {[llength $parents($v,$id)] != 1} {
974 puts "oops: removefakerow [shortids $id] has [llength $parents($v,$id)] parents"
975 return
976 }
977 set p [lindex $parents($v,$id) 0]
978 set a $varcid($v,$id)
979 set i [lsearch -exact $varccommits($v,$a) $id]
980 if {$i < 0} {
981 puts "oops: removefakerow can't find [shortids $id] on arc $a"
982 return
983 }
984 unset varcid($v,$id)
985 set varccommits($v,$a) [lreplace $varccommits($v,$a) $i $i]
986 unset parents($v,$id)
987 unset children($v,$id)
988 unset cmitlisted($v,$id)
989 set numcommits [incr commitidx($v) -1]
990 set j [lsearch -exact $children($v,$p) $id]
991 if {$j >= 0} {
992 set children($v,$p) [lreplace $children($v,$p) $j $j]
993 }
994 modify_arc $v $a $i
995 if {[info exist currentid] && $id eq $currentid} {
996 unset currentid
997 set selectedline {}
998 }
999 if {[info exists targetid] && $targetid eq $id} {
1000 set targetid $p
1001 }
1002 setcanvscroll
1003 drawvisible
1004}
1005
1006proc real_children {vp} {
1007 global children nullid nullid2
1008
1009 set kids {}
1010 foreach id $children($vp) {
1011 if {$id ne $nullid && $id ne $nullid2} {
1012 lappend kids $id
1013 }
1014 }
1015 return $kids
1016}
1017
1018proc first_real_child {vp} {
1019 global children nullid nullid2
1020
1021 foreach id $children($vp) {
1022 if {$id ne $nullid && $id ne $nullid2} {
1023 return $id
1024 }
1025 }
1026 return {}
1027}
1028
1029proc last_real_child {vp} {
1030 global children nullid nullid2
1031
1032 set kids $children($vp)
1033 for {set i [llength $kids]} {[incr i -1] >= 0} {} {
1034 set id [lindex $kids $i]
1035 if {$id ne $nullid && $id ne $nullid2} {
1036 return $id
1037 }
1038 }
1039 return {}
1040}
1041
1042proc vtokcmp {v a b} {
1043 global varctok varcid
1044
1045 return [string compare [lindex $varctok($v) $varcid($v,$a)] \
1046 [lindex $varctok($v) $varcid($v,$b)]]
1047}
1048
1049# This assumes that if lim is not given, the caller has checked that
1050# arc a's token is less than $vtokmod($v)
1051proc modify_arc {v a {lim {}}} {
1052 global varctok vtokmod varcmod varcrow vupptr curview vrowmod varccommits
1053
1054 if {$lim ne {}} {
1055 set c [string compare [lindex $varctok($v) $a] $vtokmod($v)]
1056 if {$c > 0} return
1057 if {$c == 0} {
1058 set r [lindex $varcrow($v) $a]
1059 if {$r ne {} && $vrowmod($v) <= $r + $lim} return
1060 }
1061 }
1062 set vtokmod($v) [lindex $varctok($v) $a]
1063 set varcmod($v) $a
1064 if {$v == $curview} {
1065 while {$a != 0 && [lindex $varcrow($v) $a] eq {}} {
1066 set a [lindex $vupptr($v) $a]
1067 set lim {}
1068 }
1069 set r 0
1070 if {$a != 0} {
1071 if {$lim eq {}} {
1072 set lim [llength $varccommits($v,$a)]
1073 }
1074 set r [expr {[lindex $varcrow($v) $a] + $lim}]
1075 }
1076 set vrowmod($v) $r
1077 undolayout $r
1078 }
1079}
1080
1081proc update_arcrows {v} {
1082 global vtokmod varcmod vrowmod varcrow commitidx currentid selectedline
1083 global varcid vrownum varcorder varcix varccommits
1084 global vupptr vdownptr vleftptr varctok
1085 global displayorder parentlist curview cached_commitrow
1086
1087 if {$vrowmod($v) == $commitidx($v)} return
1088 if {$v == $curview} {
1089 if {[llength $displayorder] > $vrowmod($v)} {
1090 set displayorder [lrange $displayorder 0 [expr {$vrowmod($v) - 1}]]
1091 set parentlist [lrange $parentlist 0 [expr {$vrowmod($v) - 1}]]
1092 }
1093 catch {unset cached_commitrow}
1094 }
1095 set narctot [expr {[llength $varctok($v)] - 1}]
1096 set a $varcmod($v)
1097 while {$a != 0 && [lindex $varcix($v) $a] eq {}} {
1098 # go up the tree until we find something that has a row number,
1099 # or we get to a seed
1100 set a [lindex $vupptr($v) $a]
1101 }
1102 if {$a == 0} {
1103 set a [lindex $vdownptr($v) 0]
1104 if {$a == 0} return
1105 set vrownum($v) {0}
1106 set varcorder($v) [list $a]
1107 lset varcix($v) $a 0
1108 lset varcrow($v) $a 0
1109 set arcn 0
1110 set row 0
1111 } else {
1112 set arcn [lindex $varcix($v) $a]
1113 if {[llength $vrownum($v)] > $arcn + 1} {
1114 set vrownum($v) [lrange $vrownum($v) 0 $arcn]
1115 set varcorder($v) [lrange $varcorder($v) 0 $arcn]
1116 }
1117 set row [lindex $varcrow($v) $a]
1118 }
1119 while {1} {
1120 set p $a
1121 incr row [llength $varccommits($v,$a)]
1122 # go down if possible
1123 set b [lindex $vdownptr($v) $a]
1124 if {$b == 0} {
1125 # if not, go left, or go up until we can go left
1126 while {$a != 0} {
1127 set b [lindex $vleftptr($v) $a]
1128 if {$b != 0} break
1129 set a [lindex $vupptr($v) $a]
1130 }
1131 if {$a == 0} break
1132 }
1133 set a $b
1134 incr arcn
1135 lappend vrownum($v) $row
1136 lappend varcorder($v) $a
1137 lset varcix($v) $a $arcn
1138 lset varcrow($v) $a $row
1139 }
1140 set vtokmod($v) [lindex $varctok($v) $p]
1141 set varcmod($v) $p
1142 set vrowmod($v) $row
1143 if {[info exists currentid]} {
1144 set selectedline [rowofcommit $currentid]
1145 }
1146}
1147
1148# Test whether view $v contains commit $id
1149proc commitinview {id v} {
1150 global varcid
1151
1152 return [info exists varcid($v,$id)]
1153}
1154
1155# Return the row number for commit $id in the current view
1156proc rowofcommit {id} {
1157 global varcid varccommits varcrow curview cached_commitrow
1158 global varctok vtokmod
1159
1160 set v $curview
1161 if {![info exists varcid($v,$id)]} {
1162 puts "oops rowofcommit no arc for [shortids $id]"
1163 return {}
1164 }
1165 set a $varcid($v,$id)
1166 if {[string compare [lindex $varctok($v) $a] $vtokmod($v)] >= 0} {
1167 update_arcrows $v
1168 }
1169 if {[info exists cached_commitrow($id)]} {
1170 return $cached_commitrow($id)
1171 }
1172 set i [lsearch -exact $varccommits($v,$a) $id]
1173 if {$i < 0} {
1174 puts "oops didn't find commit [shortids $id] in arc $a"
1175 return {}
1176 }
1177 incr i [lindex $varcrow($v) $a]
1178 set cached_commitrow($id) $i
1179 return $i
1180}
1181
1182# Returns 1 if a is on an earlier row than b, otherwise 0
1183proc comes_before {a b} {
1184 global varcid varctok curview
1185
1186 set v $curview
1187 if {$a eq $b || ![info exists varcid($v,$a)] || \
1188 ![info exists varcid($v,$b)]} {
1189 return 0
1190 }
1191 if {$varcid($v,$a) != $varcid($v,$b)} {
1192 return [expr {[string compare [lindex $varctok($v) $varcid($v,$a)] \
1193 [lindex $varctok($v) $varcid($v,$b)]] < 0}]
1194 }
1195 return [expr {[rowofcommit $a] < [rowofcommit $b]}]
1196}
1197
1198proc bsearch {l elt} {
1199 if {[llength $l] == 0 || $elt <= [lindex $l 0]} {
1200 return 0
1201 }
1202 set lo 0
1203 set hi [llength $l]
1204 while {$hi - $lo > 1} {
1205 set mid [expr {int(($lo + $hi) / 2)}]
1206 set t [lindex $l $mid]
1207 if {$elt < $t} {
1208 set hi $mid
1209 } elseif {$elt > $t} {
1210 set lo $mid
1211 } else {
1212 return $mid
1213 }
1214 }
1215 return $lo
1216}
1217
1218# Make sure rows $start..$end-1 are valid in displayorder and parentlist
1219proc make_disporder {start end} {
1220 global vrownum curview commitidx displayorder parentlist
1221 global varccommits varcorder parents vrowmod varcrow
1222 global d_valid_start d_valid_end
1223
1224 if {$end > $vrowmod($curview)} {
1225 update_arcrows $curview
1226 }
1227 set ai [bsearch $vrownum($curview) $start]
1228 set start [lindex $vrownum($curview) $ai]
1229 set narc [llength $vrownum($curview)]
1230 for {set r $start} {$ai < $narc && $r < $end} {incr ai} {
1231 set a [lindex $varcorder($curview) $ai]
1232 set l [llength $displayorder]
1233 set al [llength $varccommits($curview,$a)]
1234 if {$l < $r + $al} {
1235 if {$l < $r} {
1236 set pad [ntimes [expr {$r - $l}] {}]
1237 set displayorder [concat $displayorder $pad]
1238 set parentlist [concat $parentlist $pad]
1239 } elseif {$l > $r} {
1240 set displayorder [lrange $displayorder 0 [expr {$r - 1}]]
1241 set parentlist [lrange $parentlist 0 [expr {$r - 1}]]
1242 }
1243 foreach id $varccommits($curview,$a) {
1244 lappend displayorder $id
1245 lappend parentlist $parents($curview,$id)
1246 }
1247 } elseif {[lindex $displayorder [expr {$r + $al - 1}]] eq {}} {
1248 set i $r
1249 foreach id $varccommits($curview,$a) {
1250 lset displayorder $i $id
1251 lset parentlist $i $parents($curview,$id)
1252 incr i
1253 }
1254 }
1255 incr r $al
1256 }
1257}
1258
1259proc commitonrow {row} {
1260 global displayorder
1261
1262 set id [lindex $displayorder $row]
1263 if {$id eq {}} {
1264 make_disporder $row [expr {$row + 1}]
1265 set id [lindex $displayorder $row]
1266 }
1267 return $id
1268}
1269
1270proc closevarcs {v} {
1271 global varctok varccommits varcid parents children
1272 global cmitlisted commitidx vtokmod
1273
1274 set missing_parents 0
1275 set scripts {}
1276 set narcs [llength $varctok($v)]
1277 for {set a 1} {$a < $narcs} {incr a} {
1278 set id [lindex $varccommits($v,$a) end]
1279 foreach p $parents($v,$id) {
1280 if {[info exists varcid($v,$p)]} continue
1281 # add p as a new commit
1282 incr missing_parents
1283 set cmitlisted($v,$p) 0
1284 set parents($v,$p) {}
1285 if {[llength $children($v,$p)] == 1 &&
1286 [llength $parents($v,$id)] == 1} {
1287 set b $a
1288 } else {
1289 set b [newvarc $v $p]
1290 }
1291 set varcid($v,$p) $b
1292 if {[string compare [lindex $varctok($v) $b] $vtokmod($v)] < 0} {
1293 modify_arc $v $b
1294 }
1295 lappend varccommits($v,$b) $p
1296 incr commitidx($v)
1297 set scripts [check_interest $p $scripts]
1298 }
1299 }
1300 if {$missing_parents > 0} {
1301 foreach s $scripts {
1302 eval $s
1303 }
1304 }
1305}
1306
1307# Use $rwid as a substitute for $id, i.e. reparent $id's children to $rwid
1308# Assumes we already have an arc for $rwid.
1309proc rewrite_commit {v id rwid} {
1310 global children parents varcid varctok vtokmod varccommits
1311
1312 foreach ch $children($v,$id) {
1313 # make $rwid be $ch's parent in place of $id
1314 set i [lsearch -exact $parents($v,$ch) $id]
1315 if {$i < 0} {
1316 puts "oops rewrite_commit didn't find $id in parent list for $ch"
1317 }
1318 set parents($v,$ch) [lreplace $parents($v,$ch) $i $i $rwid]
1319 # add $ch to $rwid's children and sort the list if necessary
1320 if {[llength [lappend children($v,$rwid) $ch]] > 1} {
1321 set children($v,$rwid) [lsort -command [list vtokcmp $v] \
1322 $children($v,$rwid)]
1323 }
1324 # fix the graph after joining $id to $rwid
1325 set a $varcid($v,$ch)
1326 fix_reversal $rwid $a $v
1327 # parentlist is wrong for the last element of arc $a
1328 # even if displayorder is right, hence the 3rd arg here
1329 modify_arc $v $a [expr {[llength $varccommits($v,$a)] - 1}]
1330 }
1331}
1332
1333# Mechanism for registering a command to be executed when we come
1334# across a particular commit. To handle the case when only the
1335# prefix of the commit is known, the commitinterest array is now
1336# indexed by the first 4 characters of the ID. Each element is a
1337# list of id, cmd pairs.
1338proc interestedin {id cmd} {
1339 global commitinterest
1340
1341 lappend commitinterest([string range $id 0 3]) $id $cmd
1342}
1343
1344proc check_interest {id scripts} {
1345 global commitinterest
1346
1347 set prefix [string range $id 0 3]
1348 if {[info exists commitinterest($prefix)]} {
1349 set newlist {}
1350 foreach {i script} $commitinterest($prefix) {
1351 if {[string match "$i*" $id]} {
1352 lappend scripts [string map [list "%I" $id "%P" $i] $script]
1353 } else {
1354 lappend newlist $i $script
1355 }
1356 }
1357 if {$newlist ne {}} {
1358 set commitinterest($prefix) $newlist
1359 } else {
1360 unset commitinterest($prefix)
1361 }
1362 }
1363 return $scripts
1364}
1365
1366proc getcommitlines {fd inst view updating} {
1367 global cmitlisted leftover
1368 global commitidx commitdata vdatemode
1369 global parents children curview hlview
1370 global idpending ordertok
1371 global varccommits varcid varctok vtokmod vfilelimit
1372
1373 set stuff [read $fd 500000]
1374 # git log doesn't terminate the last commit with a null...
1375 if {$stuff == {} && $leftover($inst) ne {} && [eof $fd]} {
1376 set stuff "\0"
1377 }
1378 if {$stuff == {}} {
1379 if {![eof $fd]} {
1380 return 1
1381 }
1382 global commfd viewcomplete viewactive viewname
1383 global viewinstances
1384 unset commfd($inst)
1385 set i [lsearch -exact $viewinstances($view) $inst]
1386 if {$i >= 0} {
1387 set viewinstances($view) [lreplace $viewinstances($view) $i $i]
1388 }
1389 # set it blocking so we wait for the process to terminate
1390 fconfigure $fd -blocking 1
1391 if {[catch {close $fd} err]} {
1392 set fv {}
1393 if {$view != $curview} {
1394 set fv " for the \"$viewname($view)\" view"
1395 }
1396 if {[string range $err 0 4] == "usage"} {
1397 set err "Gitk: error reading commits$fv:\
1398 bad arguments to git log."
1399 if {$viewname($view) eq "Command line"} {
1400 append err \
1401 " (Note: arguments to gitk are passed to git log\
1402 to allow selection of commits to be displayed.)"
1403 }
1404 } else {
1405 set err "Error reading commits$fv: $err"
1406 }
1407 error_popup $err
1408 }
1409 if {[incr viewactive($view) -1] <= 0} {
1410 set viewcomplete($view) 1
1411 # Check if we have seen any ids listed as parents that haven't
1412 # appeared in the list
1413 closevarcs $view
1414 notbusy $view
1415 }
1416 if {$view == $curview} {
1417 run chewcommits
1418 }
1419 return 0
1420 }
1421 set start 0
1422 set gotsome 0
1423 set scripts {}
1424 while 1 {
1425 set i [string first "\0" $stuff $start]
1426 if {$i < 0} {
1427 append leftover($inst) [string range $stuff $start end]
1428 break
1429 }
1430 if {$start == 0} {
1431 set cmit $leftover($inst)
1432 append cmit [string range $stuff 0 [expr {$i - 1}]]
1433 set leftover($inst) {}
1434 } else {
1435 set cmit [string range $stuff $start [expr {$i - 1}]]
1436 }
1437 set start [expr {$i + 1}]
1438 set j [string first "\n" $cmit]
1439 set ok 0
1440 set listed 1
1441 if {$j >= 0 && [string match "commit *" $cmit]} {
1442 set ids [string range $cmit 7 [expr {$j - 1}]]
1443 if {[string match {[-^<>]*} $ids]} {
1444 switch -- [string index $ids 0] {
1445 "-" {set listed 0}
1446 "^" {set listed 2}
1447 "<" {set listed 3}
1448 ">" {set listed 4}
1449 }
1450 set ids [string range $ids 1 end]
1451 }
1452 set ok 1
1453 foreach id $ids {
1454 if {[string length $id] != 40} {
1455 set ok 0
1456 break
1457 }
1458 }
1459 }
1460 if {!$ok} {
1461 set shortcmit $cmit
1462 if {[string length $shortcmit] > 80} {
1463 set shortcmit "[string range $shortcmit 0 80]..."
1464 }
1465 error_popup "[mc "Can't parse git log output:"] {$shortcmit}"
1466 exit 1
1467 }
1468 set id [lindex $ids 0]
1469 set vid $view,$id
1470
1471 if {!$listed && $updating && ![info exists varcid($vid)] &&
1472 $vfilelimit($view) ne {}} {
1473 # git log doesn't rewrite parents for unlisted commits
1474 # when doing path limiting, so work around that here
1475 # by working out the rewritten parent with git rev-list
1476 # and if we already know about it, using the rewritten
1477 # parent as a substitute parent for $id's children.
1478 if {![catch {
1479 set rwid [exec git rev-list --first-parent --max-count=1 \
1480 $id -- $vfilelimit($view)]
1481 }]} {
1482 if {$rwid ne {} && [info exists varcid($view,$rwid)]} {
1483 # use $rwid in place of $id
1484 rewrite_commit $view $id $rwid
1485 continue
1486 }
1487 }
1488 }
1489
1490 set a 0
1491 if {[info exists varcid($vid)]} {
1492 if {$cmitlisted($vid) || !$listed} continue
1493 set a $varcid($vid)
1494 }
1495 if {$listed} {
1496 set olds [lrange $ids 1 end]
1497 } else {
1498 set olds {}
1499 }
1500 set commitdata($id) [string range $cmit [expr {$j + 1}] end]
1501 set cmitlisted($vid) $listed
1502 set parents($vid) $olds
1503 if {![info exists children($vid)]} {
1504 set children($vid) {}
1505 } elseif {$a == 0 && [llength $children($vid)] == 1} {
1506 set k [lindex $children($vid) 0]
1507 if {[llength $parents($view,$k)] == 1 &&
1508 (!$vdatemode($view) ||
1509 $varcid($view,$k) == [llength $varctok($view)] - 1)} {
1510 set a $varcid($view,$k)
1511 }
1512 }
1513 if {$a == 0} {
1514 # new arc
1515 set a [newvarc $view $id]
1516 }
1517 if {[string compare [lindex $varctok($view) $a] $vtokmod($view)] < 0} {
1518 modify_arc $view $a
1519 }
1520 if {![info exists varcid($vid)]} {
1521 set varcid($vid) $a
1522 lappend varccommits($view,$a) $id
1523 incr commitidx($view)
1524 }
1525
1526 set i 0
1527 foreach p $olds {
1528 if {$i == 0 || [lsearch -exact $olds $p] >= $i} {
1529 set vp $view,$p
1530 if {[llength [lappend children($vp) $id]] > 1 &&
1531 [vtokcmp $view [lindex $children($vp) end-1] $id] > 0} {
1532 set children($vp) [lsort -command [list vtokcmp $view] \
1533 $children($vp)]
1534 catch {unset ordertok}
1535 }
1536 if {[info exists varcid($view,$p)]} {
1537 fix_reversal $p $a $view
1538 }
1539 }
1540 incr i
1541 }
1542
1543 set scripts [check_interest $id $scripts]
1544 set gotsome 1
1545 }
1546 if {$gotsome} {
1547 global numcommits hlview
1548
1549 if {$view == $curview} {
1550 set numcommits $commitidx($view)
1551 run chewcommits
1552 }
1553 if {[info exists hlview] && $view == $hlview} {
1554 # we never actually get here...
1555 run vhighlightmore
1556 }
1557 foreach s $scripts {
1558 eval $s
1559 }
1560 }
1561 return 2
1562}
1563
1564proc chewcommits {} {
1565 global curview hlview viewcomplete
1566 global pending_select
1567
1568 layoutmore
1569 if {$viewcomplete($curview)} {
1570 global commitidx varctok
1571 global numcommits startmsecs
1572
1573 if {[info exists pending_select]} {
1574 update
1575 reset_pending_select {}
1576
1577 if {[commitinview $pending_select $curview]} {
1578 selectline [rowofcommit $pending_select] 1
1579 } else {
1580 set row [first_real_row]
1581 selectline $row 1
1582 }
1583 }
1584 if {$commitidx($curview) > 0} {
1585 #set ms [expr {[clock clicks -milliseconds] - $startmsecs}]
1586 #puts "overall $ms ms for $numcommits commits"
1587 #puts "[llength $varctok($view)] arcs, $commitidx($view) commits"
1588 } else {
1589 show_status [mc "No commits selected"]
1590 }
1591 notbusy layout
1592 }
1593 return 0
1594}
1595
1596proc do_readcommit {id} {
1597 global tclencoding
1598
1599 # Invoke git-log to handle automatic encoding conversion
1600 set fd [open [concat | git log --no-color --pretty=raw -1 $id] r]
1601 # Read the results using i18n.logoutputencoding
1602 fconfigure $fd -translation lf -eofchar {}
1603 if {$tclencoding != {}} {
1604 fconfigure $fd -encoding $tclencoding
1605 }
1606 set contents [read $fd]
1607 close $fd
1608 # Remove the heading line
1609 regsub {^commit [0-9a-f]+\n} $contents {} contents
1610
1611 return $contents
1612}
1613
1614proc readcommit {id} {
1615 if {[catch {set contents [do_readcommit $id]}]} return
1616 parsecommit $id $contents 1
1617}
1618
1619proc parsecommit {id contents listed} {
1620 global commitinfo
1621
1622 set inhdr 1
1623 set comment {}
1624 set headline {}
1625 set auname {}
1626 set audate {}
1627 set comname {}
1628 set comdate {}
1629 set hdrend [string first "\n\n" $contents]
1630 if {$hdrend < 0} {
1631 # should never happen...
1632 set hdrend [string length $contents]
1633 }
1634 set header [string range $contents 0 [expr {$hdrend - 1}]]
1635 set comment [string range $contents [expr {$hdrend + 2}] end]
1636 foreach line [split $header "\n"] {
1637 set line [split $line " "]
1638 set tag [lindex $line 0]
1639 if {$tag == "author"} {
1640 set audate [lrange $line end-1 end]
1641 set auname [join [lrange $line 1 end-2] " "]
1642 } elseif {$tag == "committer"} {
1643 set comdate [lrange $line end-1 end]
1644 set comname [join [lrange $line 1 end-2] " "]
1645 }
1646 }
1647 set headline {}
1648 # take the first non-blank line of the comment as the headline
1649 set headline [string trimleft $comment]
1650 set i [string first "\n" $headline]
1651 if {$i >= 0} {
1652 set headline [string range $headline 0 $i]
1653 }
1654 set headline [string trimright $headline]
1655 set i [string first "\r" $headline]
1656 if {$i >= 0} {
1657 set headline [string trimright [string range $headline 0 $i]]
1658 }
1659 if {!$listed} {
1660 # git log indents the comment by 4 spaces;
1661 # if we got this via git cat-file, add the indentation
1662 set newcomment {}
1663 foreach line [split $comment "\n"] {
1664 append newcomment " "
1665 append newcomment $line
1666 append newcomment "\n"
1667 }
1668 set comment $newcomment
1669 }
1670 set hasnote [string first "\nNotes:\n" $contents]
1671 set commitinfo($id) [list $headline $auname $audate \
1672 $comname $comdate $comment $hasnote]
1673}
1674
1675proc getcommit {id} {
1676 global commitdata commitinfo
1677
1678 if {[info exists commitdata($id)]} {
1679 parsecommit $id $commitdata($id) 1
1680 } else {
1681 readcommit $id
1682 if {![info exists commitinfo($id)]} {
1683 set commitinfo($id) [list [mc "No commit information available"]]
1684 }
1685 }
1686 return 1
1687}
1688
1689# Expand an abbreviated commit ID to a list of full 40-char IDs that match
1690# and are present in the current view.
1691# This is fairly slow...
1692proc longid {prefix} {
1693 global varcid curview
1694
1695 set ids {}
1696 foreach match [array names varcid "$curview,$prefix*"] {
1697 lappend ids [lindex [split $match ","] 1]
1698 }
1699 return $ids
1700}
1701
1702proc readrefs {} {
1703 global tagids idtags headids idheads tagobjid
1704 global otherrefids idotherrefs mainhead mainheadid
1705 global selecthead selectheadid
1706 global hideremotes
1707
1708 foreach v {tagids idtags headids idheads otherrefids idotherrefs} {
1709 catch {unset $v}
1710 }
1711 set refd [open [list | git show-ref -d] r]
1712 while {[gets $refd line] >= 0} {
1713 if {[string index $line 40] ne " "} continue
1714 set id [string range $line 0 39]
1715 set ref [string range $line 41 end]
1716 if {![string match "refs/*" $ref]} continue
1717 set name [string range $ref 5 end]
1718 if {[string match "remotes/*" $name]} {
1719 if {![string match "*/HEAD" $name] && !$hideremotes} {
1720 set headids($name) $id
1721 lappend idheads($id) $name
1722 }
1723 } elseif {[string match "heads/*" $name]} {
1724 set name [string range $name 6 end]
1725 set headids($name) $id
1726 lappend idheads($id) $name
1727 } elseif {[string match "tags/*" $name]} {
1728 # this lets refs/tags/foo^{} overwrite refs/tags/foo,
1729 # which is what we want since the former is the commit ID
1730 set name [string range $name 5 end]
1731 if {[string match "*^{}" $name]} {
1732 set name [string range $name 0 end-3]
1733 } else {
1734 set tagobjid($name) $id
1735 }
1736 set tagids($name) $id
1737 lappend idtags($id) $name
1738 } else {
1739 set otherrefids($name) $id
1740 lappend idotherrefs($id) $name
1741 }
1742 }
1743 catch {close $refd}
1744 set mainhead {}
1745 set mainheadid {}
1746 catch {
1747 set mainheadid [exec git rev-parse HEAD]
1748 set thehead [exec git symbolic-ref HEAD]
1749 if {[string match "refs/heads/*" $thehead]} {
1750 set mainhead [string range $thehead 11 end]
1751 }
1752 }
1753 set selectheadid {}
1754 if {$selecthead ne {}} {
1755 catch {
1756 set selectheadid [exec git rev-parse --verify $selecthead]
1757 }
1758 }
1759}
1760
1761# skip over fake commits
1762proc first_real_row {} {
1763 global nullid nullid2 numcommits
1764
1765 for {set row 0} {$row < $numcommits} {incr row} {
1766 set id [commitonrow $row]
1767 if {$id ne $nullid && $id ne $nullid2} {
1768 break
1769 }
1770 }
1771 return $row
1772}
1773
1774# update things for a head moved to a child of its previous location
1775proc movehead {id name} {
1776 global headids idheads
1777
1778 removehead $headids($name) $name
1779 set headids($name) $id
1780 lappend idheads($id) $name
1781}
1782
1783# update things when a head has been removed
1784proc removehead {id name} {
1785 global headids idheads
1786
1787 if {$idheads($id) eq $name} {
1788 unset idheads($id)
1789 } else {
1790 set i [lsearch -exact $idheads($id) $name]
1791 if {$i >= 0} {
1792 set idheads($id) [lreplace $idheads($id) $i $i]
1793 }
1794 }
1795 unset headids($name)
1796}
1797
1798proc ttk_toplevel {w args} {
1799 global use_ttk
1800 eval [linsert $args 0 ::toplevel $w]
1801 if {$use_ttk} {
1802 place [ttk::frame $w._toplevel_background] -x 0 -y 0 -relwidth 1 -relheight 1
1803 }
1804 return $w
1805}
1806
1807proc make_transient {window origin} {
1808 global have_tk85
1809
1810 # In MacOS Tk 8.4 transient appears to work by setting
1811 # overrideredirect, which is utterly useless, since the
1812 # windows get no border, and are not even kept above
1813 # the parent.
1814 if {!$have_tk85 && [tk windowingsystem] eq {aqua}} return
1815
1816 wm transient $window $origin
1817
1818 # Windows fails to place transient windows normally, so
1819 # schedule a callback to center them on the parent.
1820 if {[tk windowingsystem] eq {win32}} {
1821 after idle [list tk::PlaceWindow $window widget $origin]
1822 }
1823}
1824
1825proc show_error {w top msg {mc mc}} {
1826 global NS
1827 if {![info exists NS]} {set NS ""}
1828 if {[wm state $top] eq "withdrawn"} { wm deiconify $top }
1829 message $w.m -text $msg -justify center -aspect 400
1830 pack $w.m -side top -fill x -padx 20 -pady 20
1831 ${NS}::button $w.ok -default active -text [$mc OK] -command "destroy $top"
1832 pack $w.ok -side bottom -fill x
1833 bind $top <Visibility> "grab $top; focus $top"
1834 bind $top <Key-Return> "destroy $top"
1835 bind $top <Key-space> "destroy $top"
1836 bind $top <Key-Escape> "destroy $top"
1837 tkwait window $top
1838}
1839
1840proc error_popup {msg {owner .}} {
1841 if {[tk windowingsystem] eq "win32"} {
1842 tk_messageBox -icon error -type ok -title [wm title .] \
1843 -parent $owner -message $msg
1844 } else {
1845 set w .error
1846 ttk_toplevel $w
1847 make_transient $w $owner
1848 show_error $w $w $msg
1849 }
1850}
1851
1852proc confirm_popup {msg {owner .}} {
1853 global confirm_ok NS
1854 set confirm_ok 0
1855 set w .confirm
1856 ttk_toplevel $w
1857 make_transient $w $owner
1858 message $w.m -text $msg -justify center -aspect 400
1859 pack $w.m -side top -fill x -padx 20 -pady 20
1860 ${NS}::button $w.ok -text [mc OK] -command "set confirm_ok 1; destroy $w"
1861 pack $w.ok -side left -fill x
1862 ${NS}::button $w.cancel -text [mc Cancel] -command "destroy $w"
1863 pack $w.cancel -side right -fill x
1864 bind $w <Visibility> "grab $w; focus $w"
1865 bind $w <Key-Return> "set confirm_ok 1; destroy $w"
1866 bind $w <Key-space> "set confirm_ok 1; destroy $w"
1867 bind $w <Key-Escape> "destroy $w"
1868 tk::PlaceWindow $w widget $owner
1869 tkwait window $w
1870 return $confirm_ok
1871}
1872
1873proc setoptions {} {
1874 if {[tk windowingsystem] ne "win32"} {
1875 option add *Panedwindow.showHandle 1 startupFile
1876 option add *Panedwindow.sashRelief raised startupFile
1877 if {[tk windowingsystem] ne "aqua"} {
1878 option add *Menu.font uifont startupFile
1879 }
1880 } else {
1881 option add *Menu.TearOff 0 startupFile
1882 }
1883 option add *Button.font uifont startupFile
1884 option add *Checkbutton.font uifont startupFile
1885 option add *Radiobutton.font uifont startupFile
1886 option add *Menubutton.font uifont startupFile
1887 option add *Label.font uifont startupFile
1888 option add *Message.font uifont startupFile
1889 option add *Entry.font textfont startupFile
1890 option add *Text.font textfont startupFile
1891 option add *Labelframe.font uifont startupFile
1892 option add *Spinbox.font textfont startupFile
1893 option add *Listbox.font mainfont startupFile
1894}
1895
1896# Make a menu and submenus.
1897# m is the window name for the menu, items is the list of menu items to add.
1898# Each item is a list {mc label type description options...}
1899# mc is ignored; it's so we can put mc there to alert xgettext
1900# label is the string that appears in the menu
1901# type is cascade, command or radiobutton (should add checkbutton)
1902# description depends on type; it's the sublist for cascade, the
1903# command to invoke for command, or {variable value} for radiobutton
1904proc makemenu {m items} {
1905 menu $m
1906 if {[tk windowingsystem] eq {aqua}} {
1907 set Meta1 Cmd
1908 } else {
1909 set Meta1 Ctrl
1910 }
1911 foreach i $items {
1912 set name [mc [lindex $i 1]]
1913 set type [lindex $i 2]
1914 set thing [lindex $i 3]
1915 set params [list $type]
1916 if {$name ne {}} {
1917 set u [string first "&" [string map {&& x} $name]]
1918 lappend params -label [string map {&& & & {}} $name]
1919 if {$u >= 0} {
1920 lappend params -underline $u
1921 }
1922 }
1923 switch -- $type {
1924 "cascade" {
1925 set submenu [string tolower [string map {& ""} [lindex $i 1]]]
1926 lappend params -menu $m.$submenu
1927 }
1928 "command" {
1929 lappend params -command $thing
1930 }
1931 "radiobutton" {
1932 lappend params -variable [lindex $thing 0] \
1933 -value [lindex $thing 1]
1934 }
1935 }
1936 set tail [lrange $i 4 end]
1937 regsub -all {\yMeta1\y} $tail $Meta1 tail
1938 eval $m add $params $tail
1939 if {$type eq "cascade"} {
1940 makemenu $m.$submenu $thing
1941 }
1942 }
1943}
1944
1945# translate string and remove ampersands
1946proc mca {str} {
1947 return [string map {&& & & {}} [mc $str]]
1948}
1949
1950proc makedroplist {w varname args} {
1951 global use_ttk
1952 if {$use_ttk} {
1953 set width 0
1954 foreach label $args {
1955 set cx [string length $label]
1956 if {$cx > $width} {set width $cx}
1957 }
1958 set gm [ttk::combobox $w -width $width -state readonly\
1959 -textvariable $varname -values $args]
1960 } else {
1961 set gm [eval [linsert $args 0 tk_optionMenu $w $varname]]
1962 }
1963 return $gm
1964}
1965
1966proc makewindow {} {
1967 global canv canv2 canv3 linespc charspc ctext cflist cscroll
1968 global tabstop
1969 global findtype findtypemenu findloc findstring fstring geometry
1970 global entries sha1entry sha1string sha1but
1971 global diffcontextstring diffcontext
1972 global ignorespace
1973 global maincursor textcursor curtextcursor
1974 global rowctxmenu fakerowmenu mergemax wrapcomment
1975 global highlight_files gdttype
1976 global searchstring sstring
1977 global bgcolor fgcolor bglist fglist diffcolors selectbgcolor
1978 global headctxmenu progresscanv progressitem progresscoords statusw
1979 global fprogitem fprogcoord lastprogupdate progupdatepending
1980 global rprogitem rprogcoord rownumsel numcommits
1981 global have_tk85 use_ttk NS
1982 global git_version
1983 global worddiff
1984
1985 # The "mc" arguments here are purely so that xgettext
1986 # sees the following string as needing to be translated
1987 set file {
1988 mc "File" cascade {
1989 {mc "Update" command updatecommits -accelerator F5}
1990 {mc "Reload" command reloadcommits -accelerator Meta1-F5}
1991 {mc "Reread references" command rereadrefs}
1992 {mc "List references" command showrefs -accelerator F2}
1993 {xx "" separator}
1994 {mc "Start git gui" command {exec git gui &}}
1995 {xx "" separator}
1996 {mc "Quit" command doquit -accelerator Meta1-Q}
1997 }}
1998 set edit {
1999 mc "Edit" cascade {
2000 {mc "Preferences" command doprefs}
2001 }}
2002 set view {
2003 mc "View" cascade {
2004 {mc "New view..." command {newview 0} -accelerator Shift-F4}
2005 {mc "Edit view..." command editview -state disabled -accelerator F4}
2006 {mc "Delete view" command delview -state disabled}
2007 {xx "" separator}
2008 {mc "All files" radiobutton {selectedview 0} -command {showview 0}}
2009 }}
2010 if {[tk windowingsystem] ne "aqua"} {
2011 set help {
2012 mc "Help" cascade {
2013 {mc "About gitk" command about}
2014 {mc "Key bindings" command keys}
2015 }}
2016 set bar [list $file $edit $view $help]
2017 } else {
2018 proc ::tk::mac::ShowPreferences {} {doprefs}
2019 proc ::tk::mac::Quit {} {doquit}
2020 lset file end [lreplace [lindex $file end] end-1 end]
2021 set apple {
2022 xx "Apple" cascade {
2023 {mc "About gitk" command about}
2024 {xx "" separator}
2025 }}
2026 set help {
2027 mc "Help" cascade {
2028 {mc "Key bindings" command keys}
2029 }}
2030 set bar [list $apple $file $view $help]
2031 }
2032 makemenu .bar $bar
2033 . configure -menu .bar
2034
2035 if {$use_ttk} {
2036 # cover the non-themed toplevel with a themed frame.
2037 place [ttk::frame ._main_background] -x 0 -y 0 -relwidth 1 -relheight 1
2038 }
2039
2040 # the gui has upper and lower half, parts of a paned window.
2041 ${NS}::panedwindow .ctop -orient vertical
2042
2043 # possibly use assumed geometry
2044 if {![info exists geometry(pwsash0)]} {
2045 set geometry(topheight) [expr {15 * $linespc}]
2046 set geometry(topwidth) [expr {80 * $charspc}]
2047 set geometry(botheight) [expr {15 * $linespc}]
2048 set geometry(botwidth) [expr {50 * $charspc}]
2049 set geometry(pwsash0) [list [expr {40 * $charspc}] 2]
2050 set geometry(pwsash1) [list [expr {60 * $charspc}] 2]
2051 }
2052
2053 # the upper half will have a paned window, a scroll bar to the right, and some stuff below
2054 ${NS}::frame .tf -height $geometry(topheight) -width $geometry(topwidth)
2055 ${NS}::frame .tf.histframe
2056 ${NS}::panedwindow .tf.histframe.pwclist -orient horizontal
2057 if {!$use_ttk} {
2058 .tf.histframe.pwclist configure -sashpad 0 -handlesize 4
2059 }
2060
2061 # create three canvases
2062 set cscroll .tf.histframe.csb
2063 set canv .tf.histframe.pwclist.canv
2064 canvas $canv \
2065 -selectbackground $selectbgcolor \
2066 -background $bgcolor -bd 0 \
2067 -yscrollincr $linespc -yscrollcommand "scrollcanv $cscroll"
2068 .tf.histframe.pwclist add $canv
2069 set canv2 .tf.histframe.pwclist.canv2
2070 canvas $canv2 \
2071 -selectbackground $selectbgcolor \
2072 -background $bgcolor -bd 0 -yscrollincr $linespc
2073 .tf.histframe.pwclist add $canv2
2074 set canv3 .tf.histframe.pwclist.canv3
2075 canvas $canv3 \
2076 -selectbackground $selectbgcolor \
2077 -background $bgcolor -bd 0 -yscrollincr $linespc
2078 .tf.histframe.pwclist add $canv3
2079 if {$use_ttk} {
2080 bind .tf.histframe.pwclist <Map> {
2081 bind %W <Map> {}
2082 .tf.histframe.pwclist sashpos 1 [lindex $::geometry(pwsash1) 0]
2083 .tf.histframe.pwclist sashpos 0 [lindex $::geometry(pwsash0) 0]
2084 }
2085 } else {
2086 eval .tf.histframe.pwclist sash place 0 $geometry(pwsash0)
2087 eval .tf.histframe.pwclist sash place 1 $geometry(pwsash1)
2088 }
2089
2090 # a scroll bar to rule them
2091 ${NS}::scrollbar $cscroll -command {allcanvs yview}
2092 if {!$use_ttk} {$cscroll configure -highlightthickness 0}
2093 pack $cscroll -side right -fill y
2094 bind .tf.histframe.pwclist <Configure> {resizeclistpanes %W %w}
2095 lappend bglist $canv $canv2 $canv3
2096 pack .tf.histframe.pwclist -fill both -expand 1 -side left
2097
2098 # we have two button bars at bottom of top frame. Bar 1
2099 ${NS}::frame .tf.bar
2100 ${NS}::frame .tf.lbar -height 15
2101
2102 set sha1entry .tf.bar.sha1
2103 set entries $sha1entry
2104 set sha1but .tf.bar.sha1label
2105 button $sha1but -text "[mc "SHA1 ID:"] " -state disabled -relief flat \
2106 -command gotocommit -width 8
2107 $sha1but conf -disabledforeground [$sha1but cget -foreground]
2108 pack .tf.bar.sha1label -side left
2109 ${NS}::entry $sha1entry -width 40 -font textfont -textvariable sha1string
2110 trace add variable sha1string write sha1change
2111 pack $sha1entry -side left -pady 2
2112
2113 image create bitmap bm-left -data {
2114 #define left_width 16
2115 #define left_height 16
2116 static unsigned char left_bits[] = {
2117 0x00, 0x00, 0xc0, 0x01, 0xe0, 0x00, 0x70, 0x00, 0x38, 0x00, 0x1c, 0x00,
2118 0x0e, 0x00, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0x0e, 0x00, 0x1c, 0x00,
2119 0x38, 0x00, 0x70, 0x00, 0xe0, 0x00, 0xc0, 0x01};
2120 }
2121 image create bitmap bm-right -data {
2122 #define right_width 16
2123 #define right_height 16
2124 static unsigned char right_bits[] = {
2125 0x00, 0x00, 0xc0, 0x01, 0x80, 0x03, 0x00, 0x07, 0x00, 0x0e, 0x00, 0x1c,
2126 0x00, 0x38, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0x00, 0x38, 0x00, 0x1c,
2127 0x00, 0x0e, 0x00, 0x07, 0x80, 0x03, 0xc0, 0x01};
2128 }
2129 ${NS}::button .tf.bar.leftbut -image bm-left -command goback \
2130 -state disabled -width 26
2131 pack .tf.bar.leftbut -side left -fill y
2132 ${NS}::button .tf.bar.rightbut -image bm-right -command goforw \
2133 -state disabled -width 26
2134 pack .tf.bar.rightbut -side left -fill y
2135
2136 ${NS}::label .tf.bar.rowlabel -text [mc "Row"]
2137 set rownumsel {}
2138 ${NS}::label .tf.bar.rownum -width 7 -textvariable rownumsel \
2139 -relief sunken -anchor e
2140 ${NS}::label .tf.bar.rowlabel2 -text "/"
2141 ${NS}::label .tf.bar.numcommits -width 7 -textvariable numcommits \
2142 -relief sunken -anchor e
2143 pack .tf.bar.rowlabel .tf.bar.rownum .tf.bar.rowlabel2 .tf.bar.numcommits \
2144 -side left
2145 if {!$use_ttk} {
2146 foreach w {rownum numcommits} {.tf.bar.$w configure -font textfont}
2147 }
2148 global selectedline
2149 trace add variable selectedline write selectedline_change
2150
2151 # Status label and progress bar
2152 set statusw .tf.bar.status
2153 ${NS}::label $statusw -width 15 -relief sunken
2154 pack $statusw -side left -padx 5
2155 if {$use_ttk} {
2156 set progresscanv [ttk::progressbar .tf.bar.progress]
2157 } else {
2158 set h [expr {[font metrics uifont -linespace] + 2}]
2159 set progresscanv .tf.bar.progress
2160 canvas $progresscanv -relief sunken -height $h -borderwidth 2
2161 set progressitem [$progresscanv create rect -1 0 0 $h -fill green]
2162 set fprogitem [$progresscanv create rect -1 0 0 $h -fill yellow]
2163 set rprogitem [$progresscanv create rect -1 0 0 $h -fill red]
2164 }
2165 pack $progresscanv -side right -expand 1 -fill x -padx {0 2}
2166 set progresscoords {0 0}
2167 set fprogcoord 0
2168 set rprogcoord 0
2169 bind $progresscanv <Configure> adjustprogress
2170 set lastprogupdate [clock clicks -milliseconds]
2171 set progupdatepending 0
2172
2173 # build up the bottom bar of upper window
2174 ${NS}::label .tf.lbar.flabel -text "[mc "Find"] "
2175 ${NS}::button .tf.lbar.fnext -text [mc "next"] -command {dofind 1 1}
2176 ${NS}::button .tf.lbar.fprev -text [mc "prev"] -command {dofind -1 1}
2177 ${NS}::label .tf.lbar.flab2 -text " [mc "commit"] "
2178 pack .tf.lbar.flabel .tf.lbar.fnext .tf.lbar.fprev .tf.lbar.flab2 \
2179 -side left -fill y
2180 set gdttype [mc "containing:"]
2181 set gm [makedroplist .tf.lbar.gdttype gdttype \
2182 [mc "containing:"] \
2183 [mc "touching paths:"] \
2184 [mc "adding/removing string:"]]
2185 trace add variable gdttype write gdttype_change
2186 pack .tf.lbar.gdttype -side left -fill y
2187
2188 set findstring {}
2189 set fstring .tf.lbar.findstring
2190 lappend entries $fstring
2191 ${NS}::entry $fstring -width 30 -textvariable findstring
2192 trace add variable findstring write find_change
2193 set findtype [mc "Exact"]
2194 set findtypemenu [makedroplist .tf.lbar.findtype \
2195 findtype [mc "Exact"] [mc "IgnCase"] [mc "Regexp"]]
2196 trace add variable findtype write findcom_change
2197 set findloc [mc "All fields"]
2198 makedroplist .tf.lbar.findloc findloc [mc "All fields"] [mc "Headline"] \
2199 [mc "Comments"] [mc "Author"] [mc "Committer"]
2200 trace add variable findloc write find_change
2201 pack .tf.lbar.findloc -side right
2202 pack .tf.lbar.findtype -side right
2203 pack $fstring -side left -expand 1 -fill x
2204
2205 # Finish putting the upper half of the viewer together
2206 pack .tf.lbar -in .tf -side bottom -fill x
2207 pack .tf.bar -in .tf -side bottom -fill x
2208 pack .tf.histframe -fill both -side top -expand 1
2209 .ctop add .tf
2210 if {!$use_ttk} {
2211 .ctop paneconfigure .tf -height $geometry(topheight)
2212 .ctop paneconfigure .tf -width $geometry(topwidth)
2213 }
2214
2215 # now build up the bottom
2216 ${NS}::panedwindow .pwbottom -orient horizontal
2217
2218 # lower left, a text box over search bar, scroll bar to the right
2219 # if we know window height, then that will set the lower text height, otherwise
2220 # we set lower text height which will drive window height
2221 if {[info exists geometry(main)]} {
2222 ${NS}::frame .bleft -width $geometry(botwidth)
2223 } else {
2224 ${NS}::frame .bleft -width $geometry(botwidth) -height $geometry(botheight)
2225 }
2226 ${NS}::frame .bleft.top
2227 ${NS}::frame .bleft.mid
2228 ${NS}::frame .bleft.bottom
2229
2230 ${NS}::button .bleft.top.search -text [mc "Search"] -command dosearch
2231 pack .bleft.top.search -side left -padx 5
2232 set sstring .bleft.top.sstring
2233 set searchstring ""
2234 ${NS}::entry $sstring -width 20 -textvariable searchstring
2235 lappend entries $sstring
2236 trace add variable searchstring write incrsearch
2237 pack $sstring -side left -expand 1 -fill x
2238 ${NS}::radiobutton .bleft.mid.diff -text [mc "Diff"] \
2239 -command changediffdisp -variable diffelide -value {0 0}
2240 ${NS}::radiobutton .bleft.mid.old -text [mc "Old version"] \
2241 -command changediffdisp -variable diffelide -value {0 1}
2242 ${NS}::radiobutton .bleft.mid.new -text [mc "New version"] \
2243 -command changediffdisp -variable diffelide -value {1 0}
2244 ${NS}::label .bleft.mid.labeldiffcontext -text " [mc "Lines of context"]: "
2245 pack .bleft.mid.diff .bleft.mid.old .bleft.mid.new -side left
2246 spinbox .bleft.mid.diffcontext -width 5 \
2247 -from 0 -increment 1 -to 10000000 \
2248 -validate all -validatecommand "diffcontextvalidate %P" \
2249 -textvariable diffcontextstring
2250 .bleft.mid.diffcontext set $diffcontext
2251 trace add variable diffcontextstring write diffcontextchange
2252 lappend entries .bleft.mid.diffcontext
2253 pack .bleft.mid.labeldiffcontext .bleft.mid.diffcontext -side left
2254 ${NS}::checkbutton .bleft.mid.ignspace -text [mc "Ignore space change"] \
2255 -command changeignorespace -variable ignorespace
2256 pack .bleft.mid.ignspace -side left -padx 5
2257
2258 set worddiff [mc "Line diff"]
2259 if {[package vcompare $git_version "1.7.2"] >= 0} {
2260 makedroplist .bleft.mid.worddiff worddiff [mc "Line diff"] \
2261 [mc "Markup words"] [mc "Color words"]
2262 trace add variable worddiff write changeworddiff
2263 pack .bleft.mid.worddiff -side left -padx 5
2264 }
2265
2266 set ctext .bleft.bottom.ctext
2267 text $ctext -background $bgcolor -foreground $fgcolor \
2268 -state disabled -font textfont \
2269 -yscrollcommand scrolltext -wrap none \
2270 -xscrollcommand ".bleft.bottom.sbhorizontal set"
2271 if {$have_tk85} {
2272 $ctext conf -tabstyle wordprocessor
2273 }
2274 ${NS}::scrollbar .bleft.bottom.sb -command "$ctext yview"
2275 ${NS}::scrollbar .bleft.bottom.sbhorizontal -command "$ctext xview" -orient h
2276 pack .bleft.top -side top -fill x
2277 pack .bleft.mid -side top -fill x
2278 grid $ctext .bleft.bottom.sb -sticky nsew
2279 grid .bleft.bottom.sbhorizontal -sticky ew
2280 grid columnconfigure .bleft.bottom 0 -weight 1
2281 grid rowconfigure .bleft.bottom 0 -weight 1
2282 grid rowconfigure .bleft.bottom 1 -weight 0
2283 pack .bleft.bottom -side top -fill both -expand 1
2284 lappend bglist $ctext
2285 lappend fglist $ctext
2286
2287 $ctext tag conf comment -wrap $wrapcomment
2288 $ctext tag conf filesep -font textfontbold -back "#aaaaaa"
2289 $ctext tag conf hunksep -fore [lindex $diffcolors 2]
2290 $ctext tag conf d0 -fore [lindex $diffcolors 0]
2291 $ctext tag conf dresult -fore [lindex $diffcolors 1]
2292 $ctext tag conf m0 -fore red
2293 $ctext tag conf m1 -fore blue
2294 $ctext tag conf m2 -fore green
2295 $ctext tag conf m3 -fore purple
2296 $ctext tag conf m4 -fore brown
2297 $ctext tag conf m5 -fore "#009090"
2298 $ctext tag conf m6 -fore magenta
2299 $ctext tag conf m7 -fore "#808000"
2300 $ctext tag conf m8 -fore "#009000"
2301 $ctext tag conf m9 -fore "#ff0080"
2302 $ctext tag conf m10 -fore cyan
2303 $ctext tag conf m11 -fore "#b07070"
2304 $ctext tag conf m12 -fore "#70b0f0"
2305 $ctext tag conf m13 -fore "#70f0b0"
2306 $ctext tag conf m14 -fore "#f0b070"
2307 $ctext tag conf m15 -fore "#ff70b0"
2308 $ctext tag conf mmax -fore darkgrey
2309 set mergemax 16
2310 $ctext tag conf mresult -font textfontbold
2311 $ctext tag conf msep -font textfontbold
2312 $ctext tag conf found -back yellow
2313
2314 .pwbottom add .bleft
2315 if {!$use_ttk} {
2316 .pwbottom paneconfigure .bleft -width $geometry(botwidth)
2317 }
2318
2319 # lower right
2320 ${NS}::frame .bright
2321 ${NS}::frame .bright.mode
2322 ${NS}::radiobutton .bright.mode.patch -text [mc "Patch"] \
2323 -command reselectline -variable cmitmode -value "patch"
2324 ${NS}::radiobutton .bright.mode.tree -text [mc "Tree"] \
2325 -command reselectline -variable cmitmode -value "tree"
2326 grid .bright.mode.patch .bright.mode.tree -sticky ew
2327 pack .bright.mode -side top -fill x
2328 set cflist .bright.cfiles
2329 set indent [font measure mainfont "nn"]
2330 text $cflist \
2331 -selectbackground $selectbgcolor \
2332 -background $bgcolor -foreground $fgcolor \
2333 -font mainfont \
2334 -tabs [list $indent [expr {2 * $indent}]] \
2335 -yscrollcommand ".bright.sb set" \
2336 -cursor [. cget -cursor] \
2337 -spacing1 1 -spacing3 1
2338 lappend bglist $cflist
2339 lappend fglist $cflist
2340 ${NS}::scrollbar .bright.sb -command "$cflist yview"
2341 pack .bright.sb -side right -fill y
2342 pack $cflist -side left -fill both -expand 1
2343 $cflist tag configure highlight \
2344 -background [$cflist cget -selectbackground]
2345 $cflist tag configure bold -font mainfontbold
2346
2347 .pwbottom add .bright
2348 .ctop add .pwbottom
2349
2350 # restore window width & height if known
2351 if {[info exists geometry(main)]} {
2352 if {[scan $geometry(main) "%dx%d" w h] >= 2} {
2353 if {$w > [winfo screenwidth .]} {
2354 set w [winfo screenwidth .]
2355 }
2356 if {$h > [winfo screenheight .]} {
2357 set h [winfo screenheight .]
2358 }
2359 wm geometry . "${w}x$h"
2360 }
2361 }
2362
2363 if {[info exists geometry(state)] && $geometry(state) eq "zoomed"} {
2364 wm state . $geometry(state)
2365 }
2366
2367 if {[tk windowingsystem] eq {aqua}} {
2368 set M1B M1
2369 set ::BM "3"
2370 } else {
2371 set M1B Control
2372 set ::BM "2"
2373 }
2374
2375 if {$use_ttk} {
2376 bind .ctop <Map> {
2377 bind %W <Map> {}
2378 %W sashpos 0 $::geometry(topheight)
2379 }
2380 bind .pwbottom <Map> {
2381 bind %W <Map> {}
2382 %W sashpos 0 $::geometry(botwidth)
2383 }
2384 }
2385
2386 bind .pwbottom <Configure> {resizecdetpanes %W %w}
2387 pack .ctop -fill both -expand 1
2388 bindall <1> {selcanvline %W %x %y}
2389 #bindall <B1-Motion> {selcanvline %W %x %y}
2390 if {[tk windowingsystem] == "win32"} {
2391 bind . <MouseWheel> { windows_mousewheel_redirector %W %X %Y %D }
2392 bind $ctext <MouseWheel> { windows_mousewheel_redirector %W %X %Y %D ; break }
2393 } else {
2394 bindall <ButtonRelease-4> "allcanvs yview scroll -5 units"
2395 bindall <ButtonRelease-5> "allcanvs yview scroll 5 units"
2396 if {[tk windowingsystem] eq "aqua"} {
2397 bindall <MouseWheel> {
2398 set delta [expr {- (%D)}]
2399 allcanvs yview scroll $delta units
2400 }
2401 bindall <Shift-MouseWheel> {
2402 set delta [expr {- (%D)}]
2403 $canv xview scroll $delta units
2404 }
2405 }
2406 }
2407 bindall <$::BM> "canvscan mark %W %x %y"
2408 bindall <B$::BM-Motion> "canvscan dragto %W %x %y"
2409 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2410 bind . <$M1B-Key-w> doquit
2411 bindkey <Home> selfirstline
2412 bindkey <End> sellastline
2413 bind . <Key-Up> "selnextline -1"
2414 bind . <Key-Down> "selnextline 1"
2415 bind . <Shift-Key-Up> "dofind -1 0"
2416 bind . <Shift-Key-Down> "dofind 1 0"
2417 bindkey <Key-Right> "goforw"
2418 bindkey <Key-Left> "goback"
2419 bind . <Key-Prior> "selnextpage -1"
2420 bind . <Key-Next> "selnextpage 1"
2421 bind . <$M1B-Home> "allcanvs yview moveto 0.0"
2422 bind . <$M1B-End> "allcanvs yview moveto 1.0"
2423 bind . <$M1B-Key-Up> "allcanvs yview scroll -1 units"
2424 bind . <$M1B-Key-Down> "allcanvs yview scroll 1 units"
2425 bind . <$M1B-Key-Prior> "allcanvs yview scroll -1 pages"
2426 bind . <$M1B-Key-Next> "allcanvs yview scroll 1 pages"
2427 bindkey <Key-Delete> "$ctext yview scroll -1 pages"
2428 bindkey <Key-BackSpace> "$ctext yview scroll -1 pages"
2429 bindkey <Key-space> "$ctext yview scroll 1 pages"
2430 bindkey p "selnextline -1"
2431 bindkey n "selnextline 1"
2432 bindkey z "goback"
2433 bindkey x "goforw"
2434 bindkey i "selnextline -1"
2435 bindkey k "selnextline 1"
2436 bindkey j "goback"
2437 bindkey l "goforw"
2438 bindkey b prevfile
2439 bindkey d "$ctext yview scroll 18 units"
2440 bindkey u "$ctext yview scroll -18 units"
2441 bindkey / {focus $fstring}
2442 bindkey <Key-KP_Divide> {focus $fstring}
2443 bindkey <Key-Return> {dofind 1 1}
2444 bindkey ? {dofind -1 1}
2445 bindkey f nextfile
2446 bind . <F5> updatecommits
2447 bind . <$M1B-F5> reloadcommits
2448 bind . <F2> showrefs
2449 bind . <Shift-F4> {newview 0}
2450 catch { bind . <Shift-Key-XF86_Switch_VT_4> {newview 0} }
2451 bind . <F4> edit_or_newview
2452 bind . <$M1B-q> doquit
2453 bind . <$M1B-f> {dofind 1 1}
2454 bind . <$M1B-g> {dofind 1 0}
2455 bind . <$M1B-r> dosearchback
2456 bind . <$M1B-s> dosearch
2457 bind . <$M1B-equal> {incrfont 1}
2458 bind . <$M1B-plus> {incrfont 1}
2459 bind . <$M1B-KP_Add> {incrfont 1}
2460 bind . <$M1B-minus> {incrfont -1}
2461 bind . <$M1B-KP_Subtract> {incrfont -1}
2462 wm protocol . WM_DELETE_WINDOW doquit
2463 bind . <Destroy> {stop_backends}
2464 bind . <Button-1> "click %W"
2465 bind $fstring <Key-Return> {dofind 1 1}
2466 bind $sha1entry <Key-Return> {gotocommit; break}
2467 bind $sha1entry <<PasteSelection>> clearsha1
2468 bind $cflist <1> {sel_flist %W %x %y; break}
2469 bind $cflist <B1-Motion> {sel_flist %W %x %y; break}
2470 bind $cflist <ButtonRelease-1> {treeclick %W %x %y}
2471 global ctxbut
2472 bind $cflist $ctxbut {pop_flist_menu %W %X %Y %x %y}
2473 bind $ctext $ctxbut {pop_diff_menu %W %X %Y %x %y}
2474 bind $ctext <Button-1> {focus %W}
2475
2476 set maincursor [. cget -cursor]
2477 set textcursor [$ctext cget -cursor]
2478 set curtextcursor $textcursor
2479
2480 set rowctxmenu .rowctxmenu
2481 makemenu $rowctxmenu {
2482 {mc "Diff this -> selected" command {diffvssel 0}}
2483 {mc "Diff selected -> this" command {diffvssel 1}}
2484 {mc "Make patch" command mkpatch}
2485 {mc "Create tag" command mktag}
2486 {mc "Write commit to file" command writecommit}
2487 {mc "Create new branch" command mkbranch}
2488 {mc "Cherry-pick this commit" command cherrypick}
2489 {mc "Reset HEAD branch to here" command resethead}
2490 {mc "Mark this commit" command markhere}
2491 {mc "Return to mark" command gotomark}
2492 {mc "Find descendant of this and mark" command find_common_desc}
2493 {mc "Compare with marked commit" command compare_commits}
2494 }
2495 $rowctxmenu configure -tearoff 0
2496
2497 set fakerowmenu .fakerowmenu
2498 makemenu $fakerowmenu {
2499 {mc "Diff this -> selected" command {diffvssel 0}}
2500 {mc "Diff selected -> this" command {diffvssel 1}}
2501 {mc "Make patch" command mkpatch}
2502 }
2503 $fakerowmenu configure -tearoff 0
2504
2505 set headctxmenu .headctxmenu
2506 makemenu $headctxmenu {
2507 {mc "Check out this branch" command cobranch}
2508 {mc "Remove this branch" command rmbranch}
2509 }
2510 $headctxmenu configure -tearoff 0
2511
2512 global flist_menu
2513 set flist_menu .flistctxmenu
2514 makemenu $flist_menu {
2515 {mc "Highlight this too" command {flist_hl 0}}
2516 {mc "Highlight this only" command {flist_hl 1}}
2517 {mc "External diff" command {external_diff}}
2518 {mc "Blame parent commit" command {external_blame 1}}
2519 }
2520 $flist_menu configure -tearoff 0
2521
2522 global diff_menu
2523 set diff_menu .diffctxmenu
2524 makemenu $diff_menu {
2525 {mc "Show origin of this line" command show_line_source}
2526 {mc "Run git gui blame on this line" command {external_blame_diff}}
2527 }
2528 $diff_menu configure -tearoff 0
2529}
2530
2531# Windows sends all mouse wheel events to the current focused window, not
2532# the one where the mouse hovers, so bind those events here and redirect
2533# to the correct window
2534proc windows_mousewheel_redirector {W X Y D} {
2535 global canv canv2 canv3
2536 set w [winfo containing -displayof $W $X $Y]
2537 if {$w ne ""} {
2538 set u [expr {$D < 0 ? 5 : -5}]
2539 if {$w == $canv || $w == $canv2 || $w == $canv3} {
2540 allcanvs yview scroll $u units
2541 } else {
2542 catch {
2543 $w yview scroll $u units
2544 }
2545 }
2546 }
2547}
2548
2549# Update row number label when selectedline changes
2550proc selectedline_change {n1 n2 op} {
2551 global selectedline rownumsel
2552
2553 if {$selectedline eq {}} {
2554 set rownumsel {}
2555 } else {
2556 set rownumsel [expr {$selectedline + 1}]
2557 }
2558}
2559
2560# mouse-2 makes all windows scan vertically, but only the one
2561# the cursor is in scans horizontally
2562proc canvscan {op w x y} {
2563 global canv canv2 canv3
2564 foreach c [list $canv $canv2 $canv3] {
2565 if {$c == $w} {
2566 $c scan $op $x $y
2567 } else {
2568 $c scan $op 0 $y
2569 }
2570 }
2571}
2572
2573proc scrollcanv {cscroll f0 f1} {
2574 $cscroll set $f0 $f1
2575 drawvisible
2576 flushhighlights
2577}
2578
2579# when we make a key binding for the toplevel, make sure
2580# it doesn't get triggered when that key is pressed in the
2581# find string entry widget.
2582proc bindkey {ev script} {
2583 global entries
2584 bind . $ev $script
2585 set escript [bind Entry $ev]
2586 if {$escript == {}} {
2587 set escript [bind Entry <Key>]
2588 }
2589 foreach e $entries {
2590 bind $e $ev "$escript; break"
2591 }
2592}
2593
2594# set the focus back to the toplevel for any click outside
2595# the entry widgets
2596proc click {w} {
2597 global ctext entries
2598 foreach e [concat $entries $ctext] {
2599 if {$w == $e} return
2600 }
2601 focus .
2602}
2603
2604# Adjust the progress bar for a change in requested extent or canvas size
2605proc adjustprogress {} {
2606 global progresscanv progressitem progresscoords
2607 global fprogitem fprogcoord lastprogupdate progupdatepending
2608 global rprogitem rprogcoord use_ttk
2609
2610 if {$use_ttk} {
2611 $progresscanv configure -value [expr {int($fprogcoord * 100)}]
2612 return
2613 }
2614
2615 set w [expr {[winfo width $progresscanv] - 4}]
2616 set x0 [expr {$w * [lindex $progresscoords 0]}]
2617 set x1 [expr {$w * [lindex $progresscoords 1]}]
2618 set h [winfo height $progresscanv]
2619 $progresscanv coords $progressitem $x0 0 $x1 $h
2620 $progresscanv coords $fprogitem 0 0 [expr {$w * $fprogcoord}] $h
2621 $progresscanv coords $rprogitem 0 0 [expr {$w * $rprogcoord}] $h
2622 set now [clock clicks -milliseconds]
2623 if {$now >= $lastprogupdate + 100} {
2624 set progupdatepending 0
2625 update
2626 } elseif {!$progupdatepending} {
2627 set progupdatepending 1
2628 after [expr {$lastprogupdate + 100 - $now}] doprogupdate
2629 }
2630}
2631
2632proc doprogupdate {} {
2633 global lastprogupdate progupdatepending
2634
2635 if {$progupdatepending} {
2636 set progupdatepending 0
2637 set lastprogupdate [clock clicks -milliseconds]
2638 update
2639 }
2640}
2641
2642proc savestuff {w} {
2643 global canv canv2 canv3 mainfont textfont uifont tabstop
2644 global stuffsaved findmergefiles maxgraphpct
2645 global maxwidth showneartags showlocalchanges
2646 global viewname viewfiles viewargs viewargscmd viewperm nextviewnum
2647 global cmitmode wrapcomment datetimeformat limitdiffs
2648 global colors uicolor bgcolor fgcolor diffcolors diffcontext selectbgcolor
2649 global autoselect autosellen extdifftool perfile_attrs markbgcolor use_ttk
2650 global hideremotes want_ttk
2651
2652 if {$stuffsaved} return
2653 if {![winfo viewable .]} return
2654 catch {
2655 if {[file exists ~/.gitk-new]} {file delete -force ~/.gitk-new}
2656 set f [open "~/.gitk-new" w]
2657 if {$::tcl_platform(platform) eq {windows}} {
2658 file attributes "~/.gitk-new" -hidden true
2659 }
2660 puts $f [list set mainfont $mainfont]
2661 puts $f [list set textfont $textfont]
2662 puts $f [list set uifont $uifont]
2663 puts $f [list set tabstop $tabstop]
2664 puts $f [list set findmergefiles $findmergefiles]
2665 puts $f [list set maxgraphpct $maxgraphpct]
2666 puts $f [list set maxwidth $maxwidth]
2667 puts $f [list set cmitmode $cmitmode]
2668 puts $f [list set wrapcomment $wrapcomment]
2669 puts $f [list set autoselect $autoselect]
2670 puts $f [list set autosellen $autosellen]
2671 puts $f [list set showneartags $showneartags]
2672 puts $f [list set hideremotes $hideremotes]
2673 puts $f [list set showlocalchanges $showlocalchanges]
2674 puts $f [list set datetimeformat $datetimeformat]
2675 puts $f [list set limitdiffs $limitdiffs]
2676 puts $f [list set uicolor $uicolor]
2677 puts $f [list set want_ttk $want_ttk]
2678 puts $f [list set bgcolor $bgcolor]
2679 puts $f [list set fgcolor $fgcolor]
2680 puts $f [list set colors $colors]
2681 puts $f [list set diffcolors $diffcolors]
2682 puts $f [list set markbgcolor $markbgcolor]
2683 puts $f [list set diffcontext $diffcontext]
2684 puts $f [list set selectbgcolor $selectbgcolor]
2685 puts $f [list set extdifftool $extdifftool]
2686 puts $f [list set perfile_attrs $perfile_attrs]
2687
2688 puts $f "set geometry(main) [wm geometry .]"
2689 puts $f "set geometry(state) [wm state .]"
2690 puts $f "set geometry(topwidth) [winfo width .tf]"
2691 puts $f "set geometry(topheight) [winfo height .tf]"
2692 if {$use_ttk} {
2693 puts $f "set geometry(pwsash0) \"[.tf.histframe.pwclist sashpos 0] 1\""
2694 puts $f "set geometry(pwsash1) \"[.tf.histframe.pwclist sashpos 1] 1\""
2695 } else {
2696 puts $f "set geometry(pwsash0) \"[.tf.histframe.pwclist sash coord 0]\""
2697 puts $f "set geometry(pwsash1) \"[.tf.histframe.pwclist sash coord 1]\""
2698 }
2699 puts $f "set geometry(botwidth) [winfo width .bleft]"
2700 puts $f "set geometry(botheight) [winfo height .bleft]"
2701
2702 puts -nonewline $f "set permviews {"
2703 for {set v 0} {$v < $nextviewnum} {incr v} {
2704 if {$viewperm($v)} {
2705 puts $f "{[list $viewname($v) $viewfiles($v) $viewargs($v) $viewargscmd($v)]}"
2706 }
2707 }
2708 puts $f "}"
2709 close $f
2710 file rename -force "~/.gitk-new" "~/.gitk"
2711 }
2712 set stuffsaved 1
2713}
2714
2715proc resizeclistpanes {win w} {
2716 global oldwidth use_ttk
2717 if {[info exists oldwidth($win)]} {
2718 if {$use_ttk} {
2719 set s0 [$win sashpos 0]
2720 set s1 [$win sashpos 1]
2721 } else {
2722 set s0 [$win sash coord 0]
2723 set s1 [$win sash coord 1]
2724 }
2725 if {$w < 60} {
2726 set sash0 [expr {int($w/2 - 2)}]
2727 set sash1 [expr {int($w*5/6 - 2)}]
2728 } else {
2729 set factor [expr {1.0 * $w / $oldwidth($win)}]
2730 set sash0 [expr {int($factor * [lindex $s0 0])}]
2731 set sash1 [expr {int($factor * [lindex $s1 0])}]
2732 if {$sash0 < 30} {
2733 set sash0 30
2734 }
2735 if {$sash1 < $sash0 + 20} {
2736 set sash1 [expr {$sash0 + 20}]
2737 }
2738 if {$sash1 > $w - 10} {
2739 set sash1 [expr {$w - 10}]
2740 if {$sash0 > $sash1 - 20} {
2741 set sash0 [expr {$sash1 - 20}]
2742 }
2743 }
2744 }
2745 if {$use_ttk} {
2746 $win sashpos 0 $sash0
2747 $win sashpos 1 $sash1
2748 } else {
2749 $win sash place 0 $sash0 [lindex $s0 1]
2750 $win sash place 1 $sash1 [lindex $s1 1]
2751 }
2752 }
2753 set oldwidth($win) $w
2754}
2755
2756proc resizecdetpanes {win w} {
2757 global oldwidth use_ttk
2758 if {[info exists oldwidth($win)]} {
2759 if {$use_ttk} {
2760 set s0 [$win sashpos 0]
2761 } else {
2762 set s0 [$win sash coord 0]
2763 }
2764 if {$w < 60} {
2765 set sash0 [expr {int($w*3/4 - 2)}]
2766 } else {
2767 set factor [expr {1.0 * $w / $oldwidth($win)}]
2768 set sash0 [expr {int($factor * [lindex $s0 0])}]
2769 if {$sash0 < 45} {
2770 set sash0 45
2771 }
2772 if {$sash0 > $w - 15} {
2773 set sash0 [expr {$w - 15}]
2774 }
2775 }
2776 if {$use_ttk} {
2777 $win sashpos 0 $sash0
2778 } else {
2779 $win sash place 0 $sash0 [lindex $s0 1]
2780 }
2781 }
2782 set oldwidth($win) $w
2783}
2784
2785proc allcanvs args {
2786 global canv canv2 canv3
2787 eval $canv $args
2788 eval $canv2 $args
2789 eval $canv3 $args
2790}
2791
2792proc bindall {event action} {
2793 global canv canv2 canv3
2794 bind $canv $event $action
2795 bind $canv2 $event $action
2796 bind $canv3 $event $action
2797}
2798
2799proc about {} {
2800 global uifont NS
2801 set w .about
2802 if {[winfo exists $w]} {
2803 raise $w
2804 return
2805 }
2806 ttk_toplevel $w
2807 wm title $w [mc "About gitk"]
2808 make_transient $w .
2809 message $w.m -text [mc "
2810Gitk - a commit viewer for git
2811
2812Copyright \u00a9 2005-2011 Paul Mackerras
2813
2814Use and redistribute under the terms of the GNU General Public License"] \
2815 -justify center -aspect 400 -border 2 -bg white -relief groove
2816 pack $w.m -side top -fill x -padx 2 -pady 2
2817 ${NS}::button $w.ok -text [mc "Close"] -command "destroy $w" -default active
2818 pack $w.ok -side bottom
2819 bind $w <Visibility> "focus $w.ok"
2820 bind $w <Key-Escape> "destroy $w"
2821 bind $w <Key-Return> "destroy $w"
2822 tk::PlaceWindow $w widget .
2823}
2824
2825proc keys {} {
2826 global NS
2827 set w .keys
2828 if {[winfo exists $w]} {
2829 raise $w
2830 return
2831 }
2832 if {[tk windowingsystem] eq {aqua}} {
2833 set M1T Cmd
2834 } else {
2835 set M1T Ctrl
2836 }
2837 ttk_toplevel $w
2838 wm title $w [mc "Gitk key bindings"]
2839 make_transient $w .
2840 message $w.m -text "
2841[mc "Gitk key bindings:"]
2842
2843[mc "<%s-Q> Quit" $M1T]
2844[mc "<%s-W> Close window" $M1T]
2845[mc "<Home> Move to first commit"]
2846[mc "<End> Move to last commit"]
2847[mc "<Up>, p, i Move up one commit"]
2848[mc "<Down>, n, k Move down one commit"]
2849[mc "<Left>, z, j Go back in history list"]
2850[mc "<Right>, x, l Go forward in history list"]
2851[mc "<PageUp> Move up one page in commit list"]
2852[mc "<PageDown> Move down one page in commit list"]
2853[mc "<%s-Home> Scroll to top of commit list" $M1T]
2854[mc "<%s-End> Scroll to bottom of commit list" $M1T]
2855[mc "<%s-Up> Scroll commit list up one line" $M1T]
2856[mc "<%s-Down> Scroll commit list down one line" $M1T]
2857[mc "<%s-PageUp> Scroll commit list up one page" $M1T]
2858[mc "<%s-PageDown> Scroll commit list down one page" $M1T]
2859[mc "<Shift-Up> Find backwards (upwards, later commits)"]
2860[mc "<Shift-Down> Find forwards (downwards, earlier commits)"]
2861[mc "<Delete>, b Scroll diff view up one page"]
2862[mc "<Backspace> Scroll diff view up one page"]
2863[mc "<Space> Scroll diff view down one page"]
2864[mc "u Scroll diff view up 18 lines"]
2865[mc "d Scroll diff view down 18 lines"]
2866[mc "<%s-F> Find" $M1T]
2867[mc "<%s-G> Move to next find hit" $M1T]
2868[mc "<Return> Move to next find hit"]
2869[mc "/ Focus the search box"]
2870[mc "? Move to previous find hit"]
2871[mc "f Scroll diff view to next file"]
2872[mc "<%s-S> Search for next hit in diff view" $M1T]
2873[mc "<%s-R> Search for previous hit in diff view" $M1T]
2874[mc "<%s-KP+> Increase font size" $M1T]
2875[mc "<%s-plus> Increase font size" $M1T]
2876[mc "<%s-KP-> Decrease font size" $M1T]
2877[mc "<%s-minus> Decrease font size" $M1T]
2878[mc "<F5> Update"]
2879" \
2880 -justify left -bg white -border 2 -relief groove
2881 pack $w.m -side top -fill both -padx 2 -pady 2
2882 ${NS}::button $w.ok -text [mc "Close"] -command "destroy $w" -default active
2883 bind $w <Key-Escape> [list destroy $w]
2884 pack $w.ok -side bottom
2885 bind $w <Visibility> "focus $w.ok"
2886 bind $w <Key-Escape> "destroy $w"
2887 bind $w <Key-Return> "destroy $w"
2888}
2889
2890# Procedures for manipulating the file list window at the
2891# bottom right of the overall window.
2892
2893proc treeview {w l openlevs} {
2894 global treecontents treediropen treeheight treeparent treeindex
2895
2896 set ix 0
2897 set treeindex() 0
2898 set lev 0
2899 set prefix {}
2900 set prefixend -1
2901 set prefendstack {}
2902 set htstack {}
2903 set ht 0
2904 set treecontents() {}
2905 $w conf -state normal
2906 foreach f $l {
2907 while {[string range $f 0 $prefixend] ne $prefix} {
2908 if {$lev <= $openlevs} {
2909 $w mark set e:$treeindex($prefix) "end -1c"
2910 $w mark gravity e:$treeindex($prefix) left
2911 }
2912 set treeheight($prefix) $ht
2913 incr ht [lindex $htstack end]
2914 set htstack [lreplace $htstack end end]
2915 set prefixend [lindex $prefendstack end]
2916 set prefendstack [lreplace $prefendstack end end]
2917 set prefix [string range $prefix 0 $prefixend]
2918 incr lev -1
2919 }
2920 set tail [string range $f [expr {$prefixend+1}] end]
2921 while {[set slash [string first "/" $tail]] >= 0} {
2922 lappend htstack $ht
2923 set ht 0
2924 lappend prefendstack $prefixend
2925 incr prefixend [expr {$slash + 1}]
2926 set d [string range $tail 0 $slash]
2927 lappend treecontents($prefix) $d
2928 set oldprefix $prefix
2929 append prefix $d
2930 set treecontents($prefix) {}
2931 set treeindex($prefix) [incr ix]
2932 set treeparent($prefix) $oldprefix
2933 set tail [string range $tail [expr {$slash+1}] end]
2934 if {$lev <= $openlevs} {
2935 set ht 1
2936 set treediropen($prefix) [expr {$lev < $openlevs}]
2937 set bm [expr {$lev == $openlevs? "tri-rt": "tri-dn"}]
2938 $w mark set d:$ix "end -1c"
2939 $w mark gravity d:$ix left
2940 set str "\n"
2941 for {set i 0} {$i < $lev} {incr i} {append str "\t"}
2942 $w insert end $str
2943 $w image create end -align center -image $bm -padx 1 \
2944 -name a:$ix
2945 $w insert end $d [highlight_tag $prefix]
2946 $w mark set s:$ix "end -1c"
2947 $w mark gravity s:$ix left
2948 }
2949 incr lev
2950 }
2951 if {$tail ne {}} {
2952 if {$lev <= $openlevs} {
2953 incr ht
2954 set str "\n"
2955 for {set i 0} {$i < $lev} {incr i} {append str "\t"}
2956 $w insert end $str
2957 $w insert end $tail [highlight_tag $f]
2958 }
2959 lappend treecontents($prefix) $tail
2960 }
2961 }
2962 while {$htstack ne {}} {
2963 set treeheight($prefix) $ht
2964 incr ht [lindex $htstack end]
2965 set htstack [lreplace $htstack end end]
2966 set prefixend [lindex $prefendstack end]
2967 set prefendstack [lreplace $prefendstack end end]
2968 set prefix [string range $prefix 0 $prefixend]
2969 }
2970 $w conf -state disabled
2971}
2972
2973proc linetoelt {l} {
2974 global treeheight treecontents
2975
2976 set y 2
2977 set prefix {}
2978 while {1} {
2979 foreach e $treecontents($prefix) {
2980 if {$y == $l} {
2981 return "$prefix$e"
2982 }
2983 set n 1
2984 if {[string index $e end] eq "/"} {
2985 set n $treeheight($prefix$e)
2986 if {$y + $n > $l} {
2987 append prefix $e
2988 incr y
2989 break
2990 }
2991 }
2992 incr y $n
2993 }
2994 }
2995}
2996
2997proc highlight_tree {y prefix} {
2998 global treeheight treecontents cflist
2999
3000 foreach e $treecontents($prefix) {
3001 set path $prefix$e
3002 if {[highlight_tag $path] ne {}} {
3003 $cflist tag add bold $y.0 "$y.0 lineend"
3004 }
3005 incr y
3006 if {[string index $e end] eq "/" && $treeheight($path) > 1} {
3007 set y [highlight_tree $y $path]
3008 }
3009 }
3010 return $y
3011}
3012
3013proc treeclosedir {w dir} {
3014 global treediropen treeheight treeparent treeindex
3015
3016 set ix $treeindex($dir)
3017 $w conf -state normal
3018 $w delete s:$ix e:$ix
3019 set treediropen($dir) 0
3020 $w image configure a:$ix -image tri-rt
3021 $w conf -state disabled
3022 set n [expr {1 - $treeheight($dir)}]
3023 while {$dir ne {}} {
3024 incr treeheight($dir) $n
3025 set dir $treeparent($dir)
3026 }
3027}
3028
3029proc treeopendir {w dir} {
3030 global treediropen treeheight treeparent treecontents treeindex
3031
3032 set ix $treeindex($dir)
3033 $w conf -state normal
3034 $w image configure a:$ix -image tri-dn
3035 $w mark set e:$ix s:$ix
3036 $w mark gravity e:$ix right
3037 set lev 0
3038 set str "\n"
3039 set n [llength $treecontents($dir)]
3040 for {set x $dir} {$x ne {}} {set x $treeparent($x)} {
3041 incr lev
3042 append str "\t"
3043 incr treeheight($x) $n
3044 }
3045 foreach e $treecontents($dir) {
3046 set de $dir$e
3047 if {[string index $e end] eq "/"} {
3048 set iy $treeindex($de)
3049 $w mark set d:$iy e:$ix
3050 $w mark gravity d:$iy left
3051 $w insert e:$ix $str
3052 set treediropen($de) 0
3053 $w image create e:$ix -align center -image tri-rt -padx 1 \
3054 -name a:$iy
3055 $w insert e:$ix $e [highlight_tag $de]
3056 $w mark set s:$iy e:$ix
3057 $w mark gravity s:$iy left
3058 set treeheight($de) 1
3059 } else {
3060 $w insert e:$ix $str
3061 $w insert e:$ix $e [highlight_tag $de]
3062 }
3063 }
3064 $w mark gravity e:$ix right
3065 $w conf -state disabled
3066 set treediropen($dir) 1
3067 set top [lindex [split [$w index @0,0] .] 0]
3068 set ht [$w cget -height]
3069 set l [lindex [split [$w index s:$ix] .] 0]
3070 if {$l < $top} {
3071 $w yview $l.0
3072 } elseif {$l + $n + 1 > $top + $ht} {
3073 set top [expr {$l + $n + 2 - $ht}]
3074 if {$l < $top} {
3075 set top $l
3076 }
3077 $w yview $top.0
3078 }
3079}
3080
3081proc treeclick {w x y} {
3082 global treediropen cmitmode ctext cflist cflist_top
3083
3084 if {$cmitmode ne "tree"} return
3085 if {![info exists cflist_top]} return
3086 set l [lindex [split [$w index "@$x,$y"] "."] 0]
3087 $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend"
3088 $cflist tag add highlight $l.0 "$l.0 lineend"
3089 set cflist_top $l
3090 if {$l == 1} {
3091 $ctext yview 1.0
3092 return
3093 }
3094 set e [linetoelt $l]
3095 if {[string index $e end] ne "/"} {
3096 showfile $e
3097 } elseif {$treediropen($e)} {
3098 treeclosedir $w $e
3099 } else {
3100 treeopendir $w $e
3101 }
3102}
3103
3104proc setfilelist {id} {
3105 global treefilelist cflist jump_to_here
3106
3107 treeview $cflist $treefilelist($id) 0
3108 if {$jump_to_here ne {}} {
3109 set f [lindex $jump_to_here 0]
3110 if {[lsearch -exact $treefilelist($id) $f] >= 0} {
3111 showfile $f
3112 }
3113 }
3114}
3115
3116image create bitmap tri-rt -background black -foreground blue -data {
3117 #define tri-rt_width 13
3118 #define tri-rt_height 13
3119 static unsigned char tri-rt_bits[] = {
3120 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x30, 0x00, 0x70, 0x00, 0xf0, 0x00,
3121 0xf0, 0x01, 0xf0, 0x00, 0x70, 0x00, 0x30, 0x00, 0x10, 0x00, 0x00, 0x00,
3122 0x00, 0x00};
3123} -maskdata {
3124 #define tri-rt-mask_width 13
3125 #define tri-rt-mask_height 13
3126 static unsigned char tri-rt-mask_bits[] = {
3127 0x08, 0x00, 0x18, 0x00, 0x38, 0x00, 0x78, 0x00, 0xf8, 0x00, 0xf8, 0x01,
3128 0xf8, 0x03, 0xf8, 0x01, 0xf8, 0x00, 0x78, 0x00, 0x38, 0x00, 0x18, 0x00,
3129 0x08, 0x00};
3130}
3131image create bitmap tri-dn -background black -foreground blue -data {
3132 #define tri-dn_width 13
3133 #define tri-dn_height 13
3134 static unsigned char tri-dn_bits[] = {
3135 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x07, 0xf8, 0x03,
3136 0xf0, 0x01, 0xe0, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
3137 0x00, 0x00};
3138} -maskdata {
3139 #define tri-dn-mask_width 13
3140 #define tri-dn-mask_height 13
3141 static unsigned char tri-dn-mask_bits[] = {
3142 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x1f, 0xfe, 0x0f, 0xfc, 0x07,
3143 0xf8, 0x03, 0xf0, 0x01, 0xe0, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00,
3144 0x00, 0x00};
3145}
3146
3147image create bitmap reficon-T -background black -foreground yellow -data {
3148 #define tagicon_width 13
3149 #define tagicon_height 9
3150 static unsigned char tagicon_bits[] = {
3151 0x00, 0x00, 0x00, 0x00, 0xf0, 0x07, 0xf8, 0x07,
3152 0xfc, 0x07, 0xf8, 0x07, 0xf0, 0x07, 0x00, 0x00, 0x00, 0x00};
3153} -maskdata {
3154 #define tagicon-mask_width 13
3155 #define tagicon-mask_height 9
3156 static unsigned char tagicon-mask_bits[] = {
3157 0x00, 0x00, 0xf0, 0x0f, 0xf8, 0x0f, 0xfc, 0x0f,
3158 0xfe, 0x0f, 0xfc, 0x0f, 0xf8, 0x0f, 0xf0, 0x0f, 0x00, 0x00};
3159}
3160set rectdata {
3161 #define headicon_width 13
3162 #define headicon_height 9
3163 static unsigned char headicon_bits[] = {
3164 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0xf8, 0x07,
3165 0xf8, 0x07, 0xf8, 0x07, 0xf8, 0x07, 0x00, 0x00, 0x00, 0x00};
3166}
3167set rectmask {
3168 #define headicon-mask_width 13
3169 #define headicon-mask_height 9
3170 static unsigned char headicon-mask_bits[] = {
3171 0x00, 0x00, 0xfc, 0x0f, 0xfc, 0x0f, 0xfc, 0x0f,
3172 0xfc, 0x0f, 0xfc, 0x0f, 0xfc, 0x0f, 0xfc, 0x0f, 0x00, 0x00};
3173}
3174image create bitmap reficon-H -background black -foreground green \
3175 -data $rectdata -maskdata $rectmask
3176image create bitmap reficon-o -background black -foreground "#ddddff" \
3177 -data $rectdata -maskdata $rectmask
3178
3179proc init_flist {first} {
3180 global cflist cflist_top difffilestart
3181
3182 $cflist conf -state normal
3183 $cflist delete 0.0 end
3184 if {$first ne {}} {
3185 $cflist insert end $first
3186 set cflist_top 1
3187 $cflist tag add highlight 1.0 "1.0 lineend"
3188 } else {
3189 catch {unset cflist_top}
3190 }
3191 $cflist conf -state disabled
3192 set difffilestart {}
3193}
3194
3195proc highlight_tag {f} {
3196 global highlight_paths
3197
3198 foreach p $highlight_paths {
3199 if {[string match $p $f]} {
3200 return "bold"
3201 }
3202 }
3203 return {}
3204}
3205
3206proc highlight_filelist {} {
3207 global cmitmode cflist
3208
3209 $cflist conf -state normal
3210 if {$cmitmode ne "tree"} {
3211 set end [lindex [split [$cflist index end] .] 0]
3212 for {set l 2} {$l < $end} {incr l} {
3213 set line [$cflist get $l.0 "$l.0 lineend"]
3214 if {[highlight_tag $line] ne {}} {
3215 $cflist tag add bold $l.0 "$l.0 lineend"
3216 }
3217 }
3218 } else {
3219 highlight_tree 2 {}
3220 }
3221 $cflist conf -state disabled
3222}
3223
3224proc unhighlight_filelist {} {
3225 global cflist
3226
3227 $cflist conf -state normal
3228 $cflist tag remove bold 1.0 end
3229 $cflist conf -state disabled
3230}
3231
3232proc add_flist {fl} {
3233 global cflist
3234
3235 $cflist conf -state normal
3236 foreach f $fl {
3237 $cflist insert end "\n"
3238 $cflist insert end $f [highlight_tag $f]
3239 }
3240 $cflist conf -state disabled
3241}
3242
3243proc sel_flist {w x y} {
3244 global ctext difffilestart cflist cflist_top cmitmode
3245
3246 if {$cmitmode eq "tree"} return
3247 if {![info exists cflist_top]} return
3248 set l [lindex [split [$w index "@$x,$y"] "."] 0]
3249 $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend"
3250 $cflist tag add highlight $l.0 "$l.0 lineend"
3251 set cflist_top $l
3252 if {$l == 1} {
3253 $ctext yview 1.0
3254 } else {
3255 catch {$ctext yview [lindex $difffilestart [expr {$l - 2}]]}
3256 }
3257}
3258
3259proc pop_flist_menu {w X Y x y} {
3260 global ctext cflist cmitmode flist_menu flist_menu_file
3261 global treediffs diffids
3262
3263 stopfinding
3264 set l [lindex [split [$w index "@$x,$y"] "."] 0]
3265 if {$l <= 1} return
3266 if {$cmitmode eq "tree"} {
3267 set e [linetoelt $l]
3268 if {[string index $e end] eq "/"} return
3269 } else {
3270 set e [lindex $treediffs($diffids) [expr {$l-2}]]
3271 }
3272 set flist_menu_file $e
3273 set xdiffstate "normal"
3274 if {$cmitmode eq "tree"} {
3275 set xdiffstate "disabled"
3276 }
3277 # Disable "External diff" item in tree mode
3278 $flist_menu entryconf 2 -state $xdiffstate
3279 tk_popup $flist_menu $X $Y
3280}
3281
3282proc find_ctext_fileinfo {line} {
3283 global ctext_file_names ctext_file_lines
3284
3285 set ok [bsearch $ctext_file_lines $line]
3286 set tline [lindex $ctext_file_lines $ok]
3287
3288 if {$ok >= [llength $ctext_file_lines] || $line < $tline} {
3289 return {}
3290 } else {
3291 return [list [lindex $ctext_file_names $ok] $tline]
3292 }
3293}
3294
3295proc pop_diff_menu {w X Y x y} {
3296 global ctext diff_menu flist_menu_file
3297 global diff_menu_txtpos diff_menu_line
3298 global diff_menu_filebase
3299
3300 set diff_menu_txtpos [split [$w index "@$x,$y"] "."]
3301 set diff_menu_line [lindex $diff_menu_txtpos 0]
3302 # don't pop up the menu on hunk-separator or file-separator lines
3303 if {[lsearch -glob [$ctext tag names $diff_menu_line.0] "*sep"] >= 0} {
3304 return
3305 }
3306 stopfinding
3307 set f [find_ctext_fileinfo $diff_menu_line]
3308 if {$f eq {}} return
3309 set flist_menu_file [lindex $f 0]
3310 set diff_menu_filebase [lindex $f 1]
3311 tk_popup $diff_menu $X $Y
3312}
3313
3314proc flist_hl {only} {
3315 global flist_menu_file findstring gdttype
3316
3317 set x [shellquote $flist_menu_file]
3318 if {$only || $findstring eq {} || $gdttype ne [mc "touching paths:"]} {
3319 set findstring $x
3320 } else {
3321 append findstring " " $x
3322 }
3323 set gdttype [mc "touching paths:"]
3324}
3325
3326proc gitknewtmpdir {} {
3327 global diffnum gitktmpdir gitdir
3328
3329 if {![info exists gitktmpdir]} {
3330 set gitktmpdir [file join $gitdir [format ".gitk-tmp.%s" [pid]]]
3331 if {[catch {file mkdir $gitktmpdir} err]} {
3332 error_popup "[mc "Error creating temporary directory %s:" $gitktmpdir] $err"
3333 unset gitktmpdir
3334 return {}
3335 }
3336 set diffnum 0
3337 }
3338 incr diffnum
3339 set diffdir [file join $gitktmpdir $diffnum]
3340 if {[catch {file mkdir $diffdir} err]} {
3341 error_popup "[mc "Error creating temporary directory %s:" $diffdir] $err"
3342 return {}
3343 }
3344 return $diffdir
3345}
3346
3347proc save_file_from_commit {filename output what} {
3348 global nullfile
3349
3350 if {[catch {exec git show $filename -- > $output} err]} {
3351 if {[string match "fatal: bad revision *" $err]} {
3352 return $nullfile
3353 }
3354 error_popup "[mc "Error getting \"%s\" from %s:" $filename $what] $err"
3355 return {}
3356 }
3357 return $output
3358}
3359
3360proc external_diff_get_one_file {diffid filename diffdir} {
3361 global nullid nullid2 nullfile
3362 global worktree
3363
3364 if {$diffid == $nullid} {
3365 set difffile [file join $worktree $filename]
3366 if {[file exists $difffile]} {
3367 return $difffile
3368 }
3369 return $nullfile
3370 }
3371 if {$diffid == $nullid2} {
3372 set difffile [file join $diffdir "\[index\] [file tail $filename]"]
3373 return [save_file_from_commit :$filename $difffile index]
3374 }
3375 set difffile [file join $diffdir "\[$diffid\] [file tail $filename]"]
3376 return [save_file_from_commit $diffid:$filename $difffile \
3377 "revision $diffid"]
3378}
3379
3380proc external_diff {} {
3381 global nullid nullid2
3382 global flist_menu_file
3383 global diffids
3384 global extdifftool
3385
3386 if {[llength $diffids] == 1} {
3387 # no reference commit given
3388 set diffidto [lindex $diffids 0]
3389 if {$diffidto eq $nullid} {
3390 # diffing working copy with index
3391 set diffidfrom $nullid2
3392 } elseif {$diffidto eq $nullid2} {
3393 # diffing index with HEAD
3394 set diffidfrom "HEAD"
3395 } else {
3396 # use first parent commit
3397 global parentlist selectedline
3398 set diffidfrom [lindex $parentlist $selectedline 0]
3399 }
3400 } else {
3401 set diffidfrom [lindex $diffids 0]
3402 set diffidto [lindex $diffids 1]
3403 }
3404
3405 # make sure that several diffs wont collide
3406 set diffdir [gitknewtmpdir]
3407 if {$diffdir eq {}} return
3408
3409 # gather files to diff
3410 set difffromfile [external_diff_get_one_file $diffidfrom $flist_menu_file $diffdir]
3411 set difftofile [external_diff_get_one_file $diffidto $flist_menu_file $diffdir]
3412
3413 if {$difffromfile ne {} && $difftofile ne {}} {
3414 set cmd [list [shellsplit $extdifftool] $difffromfile $difftofile]
3415 if {[catch {set fl [open |$cmd r]} err]} {
3416 file delete -force $diffdir
3417 error_popup "$extdifftool: [mc "command failed:"] $err"
3418 } else {
3419 fconfigure $fl -blocking 0
3420 filerun $fl [list delete_at_eof $fl $diffdir]
3421 }
3422 }
3423}
3424
3425proc find_hunk_blamespec {base line} {
3426 global ctext
3427
3428 # Find and parse the hunk header
3429 set s_lix [$ctext search -backwards -regexp ^@@ "$line.0 lineend" $base.0]
3430 if {$s_lix eq {}} return
3431
3432 set s_line [$ctext get $s_lix "$s_lix + 1 lines"]
3433 if {![regexp {^@@@*(( -\d+(,\d+)?)+) \+(\d+)(,\d+)? @@} $s_line \
3434 s_line old_specs osz osz1 new_line nsz]} {
3435 return
3436 }
3437
3438 # base lines for the parents
3439 set base_lines [list $new_line]
3440 foreach old_spec [lrange [split $old_specs " "] 1 end] {
3441 if {![regexp -- {-(\d+)(,\d+)?} $old_spec \
3442 old_spec old_line osz]} {
3443 return
3444 }
3445 lappend base_lines $old_line
3446 }
3447
3448 # Now scan the lines to determine offset within the hunk
3449 set max_parent [expr {[llength $base_lines]-2}]
3450 set dline 0
3451 set s_lno [lindex [split $s_lix "."] 0]
3452
3453 # Determine if the line is removed
3454 set chunk [$ctext get $line.0 "$line.1 + $max_parent chars"]
3455 if {[string match {[-+ ]*} $chunk]} {
3456 set removed_idx [string first "-" $chunk]
3457 # Choose a parent index
3458 if {$removed_idx >= 0} {
3459 set parent $removed_idx
3460 } else {
3461 set unchanged_idx [string first " " $chunk]
3462 if {$unchanged_idx >= 0} {
3463 set parent $unchanged_idx
3464 } else {
3465 # blame the current commit
3466 set parent -1
3467 }
3468 }
3469 # then count other lines that belong to it
3470 for {set i $line} {[incr i -1] > $s_lno} {} {
3471 set chunk [$ctext get $i.0 "$i.1 + $max_parent chars"]
3472 # Determine if the line is removed
3473 set removed_idx [string first "-" $chunk]
3474 if {$parent >= 0} {
3475 set code [string index $chunk $parent]
3476 if {$code eq "-" || ($removed_idx < 0 && $code ne "+")} {
3477 incr dline
3478 }
3479 } else {
3480 if {$removed_idx < 0} {
3481 incr dline
3482 }
3483 }
3484 }
3485 incr parent
3486 } else {
3487 set parent 0
3488 }
3489
3490 incr dline [lindex $base_lines $parent]
3491 return [list $parent $dline]
3492}
3493
3494proc external_blame_diff {} {
3495 global currentid cmitmode
3496 global diff_menu_txtpos diff_menu_line
3497 global diff_menu_filebase flist_menu_file
3498
3499 if {$cmitmode eq "tree"} {
3500 set parent_idx 0
3501 set line [expr {$diff_menu_line - $diff_menu_filebase}]
3502 } else {
3503 set hinfo [find_hunk_blamespec $diff_menu_filebase $diff_menu_line]
3504 if {$hinfo ne {}} {
3505 set parent_idx [lindex $hinfo 0]
3506 set line [lindex $hinfo 1]
3507 } else {
3508 set parent_idx 0
3509 set line 0
3510 }
3511 }
3512
3513 external_blame $parent_idx $line
3514}
3515
3516# Find the SHA1 ID of the blob for file $fname in the index
3517# at stage 0 or 2
3518proc index_sha1 {fname} {
3519 set f [open [list | git ls-files -s $fname] r]
3520 while {[gets $f line] >= 0} {
3521 set info [lindex [split $line "\t"] 0]
3522 set stage [lindex $info 2]
3523 if {$stage eq "0" || $stage eq "2"} {
3524 close $f
3525 return [lindex $info 1]
3526 }
3527 }
3528 close $f
3529 return {}
3530}
3531
3532# Turn an absolute path into one relative to the current directory
3533proc make_relative {f} {
3534 if {[file pathtype $f] eq "relative"} {
3535 return $f
3536 }
3537 set elts [file split $f]
3538 set here [file split [pwd]]
3539 set ei 0
3540 set hi 0
3541 set res {}
3542 foreach d $here {
3543 if {$ei < $hi || $ei >= [llength $elts] || [lindex $elts $ei] ne $d} {
3544 lappend res ".."
3545 } else {
3546 incr ei
3547 }
3548 incr hi
3549 }
3550 set elts [concat $res [lrange $elts $ei end]]
3551 return [eval file join $elts]
3552}
3553
3554proc external_blame {parent_idx {line {}}} {
3555 global flist_menu_file cdup
3556 global nullid nullid2
3557 global parentlist selectedline currentid
3558
3559 if {$parent_idx > 0} {
3560 set base_commit [lindex $parentlist $selectedline [expr {$parent_idx-1}]]
3561 } else {
3562 set base_commit $currentid
3563 }
3564
3565 if {$base_commit eq {} || $base_commit eq $nullid || $base_commit eq $nullid2} {
3566 error_popup [mc "No such commit"]
3567 return
3568 }
3569
3570 set cmdline [list git gui blame]
3571 if {$line ne {} && $line > 1} {
3572 lappend cmdline "--line=$line"
3573 }
3574 set f [file join $cdup $flist_menu_file]
3575 # Unfortunately it seems git gui blame doesn't like
3576 # being given an absolute path...
3577 set f [make_relative $f]
3578 lappend cmdline $base_commit $f
3579 if {[catch {eval exec $cmdline &} err]} {
3580 error_popup "[mc "git gui blame: command failed:"] $err"
3581 }
3582}
3583
3584proc show_line_source {} {
3585 global cmitmode currentid parents curview blamestuff blameinst
3586 global diff_menu_line diff_menu_filebase flist_menu_file
3587 global nullid nullid2 gitdir cdup
3588
3589 set from_index {}
3590 if {$cmitmode eq "tree"} {
3591 set id $currentid
3592 set line [expr {$diff_menu_line - $diff_menu_filebase}]
3593 } else {
3594 set h [find_hunk_blamespec $diff_menu_filebase $diff_menu_line]
3595 if {$h eq {}} return
3596 set pi [lindex $h 0]
3597 if {$pi == 0} {
3598 mark_ctext_line $diff_menu_line
3599 return
3600 }
3601 incr pi -1
3602 if {$currentid eq $nullid} {
3603 if {$pi > 0} {
3604 # must be a merge in progress...
3605 if {[catch {
3606 # get the last line from .git/MERGE_HEAD
3607 set f [open [file join $gitdir MERGE_HEAD] r]
3608 set id [lindex [split [read $f] "\n"] end-1]
3609 close $f
3610 } err]} {
3611 error_popup [mc "Couldn't read merge head: %s" $err]
3612 return
3613 }
3614 } elseif {$parents($curview,$currentid) eq $nullid2} {
3615 # need to do the blame from the index
3616 if {[catch {
3617 set from_index [index_sha1 $flist_menu_file]
3618 } err]} {
3619 error_popup [mc "Error reading index: %s" $err]
3620 return
3621 }
3622 } else {
3623 set id $parents($curview,$currentid)
3624 }
3625 } else {
3626 set id [lindex $parents($curview,$currentid) $pi]
3627 }
3628 set line [lindex $h 1]
3629 }
3630 set blameargs {}
3631 if {$from_index ne {}} {
3632 lappend blameargs | git cat-file blob $from_index
3633 }
3634 lappend blameargs | git blame -p -L$line,+1
3635 if {$from_index ne {}} {
3636 lappend blameargs --contents -
3637 } else {
3638 lappend blameargs $id
3639 }
3640 lappend blameargs -- [file join $cdup $flist_menu_file]
3641 if {[catch {
3642 set f [open $blameargs r]
3643 } err]} {
3644 error_popup [mc "Couldn't start git blame: %s" $err]
3645 return
3646 }
3647 nowbusy blaming [mc "Searching"]
3648 fconfigure $f -blocking 0
3649 set i [reg_instance $f]
3650 set blamestuff($i) {}
3651 set blameinst $i
3652 filerun $f [list read_line_source $f $i]
3653}
3654
3655proc stopblaming {} {
3656 global blameinst
3657
3658 if {[info exists blameinst]} {
3659 stop_instance $blameinst
3660 unset blameinst
3661 notbusy blaming
3662 }
3663}
3664
3665proc read_line_source {fd inst} {
3666 global blamestuff curview commfd blameinst nullid nullid2
3667
3668 while {[gets $fd line] >= 0} {
3669 lappend blamestuff($inst) $line
3670 }
3671 if {![eof $fd]} {
3672 return 1
3673 }
3674 unset commfd($inst)
3675 unset blameinst
3676 notbusy blaming
3677 fconfigure $fd -blocking 1
3678 if {[catch {close $fd} err]} {
3679 error_popup [mc "Error running git blame: %s" $err]
3680 return 0
3681 }
3682
3683 set fname {}
3684 set line [split [lindex $blamestuff($inst) 0] " "]
3685 set id [lindex $line 0]
3686 set lnum [lindex $line 1]
3687 if {[string length $id] == 40 && [string is xdigit $id] &&
3688 [string is digit -strict $lnum]} {
3689 # look for "filename" line
3690 foreach l $blamestuff($inst) {
3691 if {[string match "filename *" $l]} {
3692 set fname [string range $l 9 end]
3693 break
3694 }
3695 }
3696 }
3697 if {$fname ne {}} {
3698 # all looks good, select it
3699 if {$id eq $nullid} {
3700 # blame uses all-zeroes to mean not committed,
3701 # which would mean a change in the index
3702 set id $nullid2
3703 }
3704 if {[commitinview $id $curview]} {
3705 selectline [rowofcommit $id] 1 [list $fname $lnum]
3706 } else {
3707 error_popup [mc "That line comes from commit %s, \
3708 which is not in this view" [shortids $id]]
3709 }
3710 } else {
3711 puts "oops couldn't parse git blame output"
3712 }
3713 return 0
3714}
3715
3716# delete $dir when we see eof on $f (presumably because the child has exited)
3717proc delete_at_eof {f dir} {
3718 while {[gets $f line] >= 0} {}
3719 if {[eof $f]} {
3720 if {[catch {close $f} err]} {
3721 error_popup "[mc "External diff viewer failed:"] $err"
3722 }
3723 file delete -force $dir
3724 return 0
3725 }
3726 return 1
3727}
3728
3729# Functions for adding and removing shell-type quoting
3730
3731proc shellquote {str} {
3732 if {![string match "*\['\"\\ \t]*" $str]} {
3733 return $str
3734 }
3735 if {![string match "*\['\"\\]*" $str]} {
3736 return "\"$str\""
3737 }
3738 if {![string match "*'*" $str]} {
3739 return "'$str'"
3740 }
3741 return "\"[string map {\" \\\" \\ \\\\} $str]\""
3742}
3743
3744proc shellarglist {l} {
3745 set str {}
3746 foreach a $l {
3747 if {$str ne {}} {
3748 append str " "
3749 }
3750 append str [shellquote $a]
3751 }
3752 return $str
3753}
3754
3755proc shelldequote {str} {
3756 set ret {}
3757 set used -1
3758 while {1} {
3759 incr used
3760 if {![regexp -start $used -indices "\['\"\\\\ \t]" $str first]} {
3761 append ret [string range $str $used end]
3762 set used [string length $str]
3763 break
3764 }
3765 set first [lindex $first 0]
3766 set ch [string index $str $first]
3767 if {$first > $used} {
3768 append ret [string range $str $used [expr {$first - 1}]]
3769 set used $first
3770 }
3771 if {$ch eq " " || $ch eq "\t"} break
3772 incr used
3773 if {$ch eq "'"} {
3774 set first [string first "'" $str $used]
3775 if {$first < 0} {
3776 error "unmatched single-quote"
3777 }
3778 append ret [string range $str $used [expr {$first - 1}]]
3779 set used $first
3780 continue
3781 }
3782 if {$ch eq "\\"} {
3783 if {$used >= [string length $str]} {
3784 error "trailing backslash"
3785 }
3786 append ret [string index $str $used]
3787 continue
3788 }
3789 # here ch == "\""
3790 while {1} {
3791 if {![regexp -start $used -indices "\[\"\\\\]" $str first]} {
3792 error "unmatched double-quote"
3793 }
3794 set first [lindex $first 0]
3795 set ch [string index $str $first]
3796 if {$first > $used} {
3797 append ret [string range $str $used [expr {$first - 1}]]
3798 set used $first
3799 }
3800 if {$ch eq "\""} break
3801 incr used
3802 append ret [string index $str $used]
3803 incr used
3804 }
3805 }
3806 return [list $used $ret]
3807}
3808
3809proc shellsplit {str} {
3810 set l {}
3811 while {1} {
3812 set str [string trimleft $str]
3813 if {$str eq {}} break
3814 set dq [shelldequote $str]
3815 set n [lindex $dq 0]
3816 set word [lindex $dq 1]
3817 set str [string range $str $n end]
3818 lappend l $word
3819 }
3820 return $l
3821}
3822
3823# Code to implement multiple views
3824
3825proc newview {ishighlight} {
3826 global nextviewnum newviewname newishighlight
3827 global revtreeargs viewargscmd newviewopts curview
3828
3829 set newishighlight $ishighlight
3830 set top .gitkview
3831 if {[winfo exists $top]} {
3832 raise $top
3833 return
3834 }
3835 decode_view_opts $nextviewnum $revtreeargs
3836 set newviewname($nextviewnum) "[mc "View"] $nextviewnum"
3837 set newviewopts($nextviewnum,perm) 0
3838 set newviewopts($nextviewnum,cmd) $viewargscmd($curview)
3839 vieweditor $top $nextviewnum [mc "Gitk view definition"]
3840}
3841
3842set known_view_options {
3843 {perm b . {} {mc "Remember this view"}}
3844 {reflabel l + {} {mc "References (space separated list):"}}
3845 {refs t15 .. {} {mc "Branches & tags:"}}
3846 {allrefs b *. "--all" {mc "All refs"}}
3847 {branches b . "--branches" {mc "All (local) branches"}}
3848 {tags b . "--tags" {mc "All tags"}}
3849 {remotes b . "--remotes" {mc "All remote-tracking branches"}}
3850 {commitlbl l + {} {mc "Commit Info (regular expressions):"}}
3851 {author t15 .. "--author=*" {mc "Author:"}}
3852 {committer t15 . "--committer=*" {mc "Committer:"}}
3853 {loginfo t15 .. "--grep=*" {mc "Commit Message:"}}
3854 {allmatch b .. "--all-match" {mc "Matches all Commit Info criteria"}}
3855 {changes_l l + {} {mc "Changes to Files:"}}
3856 {pickaxe_s r0 . {} {mc "Fixed String"}}
3857 {pickaxe_t r1 . "--pickaxe-regex" {mc "Regular Expression"}}
3858 {pickaxe t15 .. "-S*" {mc "Search string:"}}
3859 {datelabel l + {} {mc "Commit Dates (\"2 weeks ago\", \"2009-03-17 15:27:38\", \"March 17, 2009 15:27:38\"):"}}
3860 {since t15 .. {"--since=*" "--after=*"} {mc "Since:"}}
3861 {until t15 . {"--until=*" "--before=*"} {mc "Until:"}}
3862 {limit_lbl l + {} {mc "Limit and/or skip a number of revisions (positive integer):"}}
3863 {limit t10 *. "--max-count=*" {mc "Number to show:"}}
3864 {skip t10 . "--skip=*" {mc "Number to skip:"}}
3865 {misc_lbl l + {} {mc "Miscellaneous options:"}}
3866 {dorder b *. {"--date-order" "-d"} {mc "Strictly sort by date"}}
3867 {lright b . "--left-right" {mc "Mark branch sides"}}
3868 {first b . "--first-parent" {mc "Limit to first parent"}}
3869 {smplhst b . "--simplify-by-decoration" {mc "Simple history"}}
3870 {args t50 *. {} {mc "Additional arguments to git log:"}}
3871 {allpaths path + {} {mc "Enter files and directories to include, one per line:"}}
3872 {cmd t50= + {} {mc "Command to generate more commits to include:"}}
3873 }
3874
3875# Convert $newviewopts($n, ...) into args for git log.
3876proc encode_view_opts {n} {
3877 global known_view_options newviewopts
3878
3879 set rargs [list]
3880 foreach opt $known_view_options {
3881 set patterns [lindex $opt 3]
3882 if {$patterns eq {}} continue
3883 set pattern [lindex $patterns 0]
3884
3885 if {[lindex $opt 1] eq "b"} {
3886 set val $newviewopts($n,[lindex $opt 0])
3887 if {$val} {
3888 lappend rargs $pattern
3889 }
3890 } elseif {[regexp {^r(\d+)$} [lindex $opt 1] type value]} {
3891 regexp {^(.*_)} [lindex $opt 0] uselessvar button_id
3892 set val $newviewopts($n,$button_id)
3893 if {$val eq $value} {
3894 lappend rargs $pattern
3895 }
3896 } else {
3897 set val $newviewopts($n,[lindex $opt 0])
3898 set val [string trim $val]
3899 if {$val ne {}} {
3900 set pfix [string range $pattern 0 end-1]
3901 lappend rargs $pfix$val
3902 }
3903 }
3904 }
3905 set rargs [concat $rargs [shellsplit $newviewopts($n,refs)]]
3906 return [concat $rargs [shellsplit $newviewopts($n,args)]]
3907}
3908
3909# Fill $newviewopts($n, ...) based on args for git log.
3910proc decode_view_opts {n view_args} {
3911 global known_view_options newviewopts
3912
3913 foreach opt $known_view_options {
3914 set id [lindex $opt 0]
3915 if {[lindex $opt 1] eq "b"} {
3916 # Checkboxes
3917 set val 0
3918 } elseif {[regexp {^r(\d+)$} [lindex $opt 1]]} {
3919 # Radiobuttons
3920 regexp {^(.*_)} $id uselessvar id
3921 set val 0
3922 } else {
3923 # Text fields
3924 set val {}
3925 }
3926 set newviewopts($n,$id) $val
3927 }
3928 set oargs [list]
3929 set refargs [list]
3930 foreach arg $view_args {
3931 if {[regexp -- {^-([0-9]+)$} $arg arg cnt]
3932 && ![info exists found(limit)]} {
3933 set newviewopts($n,limit) $cnt
3934 set found(limit) 1
3935 continue
3936 }
3937 catch { unset val }
3938 foreach opt $known_view_options {
3939 set id [lindex $opt 0]
3940 if {[info exists found($id)]} continue
3941 foreach pattern [lindex $opt 3] {
3942 if {![string match $pattern $arg]} continue
3943 if {[lindex $opt 1] eq "b"} {
3944 # Check buttons
3945 set val 1
3946 } elseif {[regexp {^r(\d+)$} [lindex $opt 1] match num]} {
3947 # Radio buttons
3948 regexp {^(.*_)} $id uselessvar id
3949 set val $num
3950 } else {
3951 # Text input fields
3952 set size [string length $pattern]
3953 set val [string range $arg [expr {$size-1}] end]
3954 }
3955 set newviewopts($n,$id) $val
3956 set found($id) 1
3957 break
3958 }
3959 if {[info exists val]} break
3960 }
3961 if {[info exists val]} continue
3962 if {[regexp {^-} $arg]} {
3963 lappend oargs $arg
3964 } else {
3965 lappend refargs $arg
3966 }
3967 }
3968 set newviewopts($n,refs) [shellarglist $refargs]
3969 set newviewopts($n,args) [shellarglist $oargs]
3970}
3971
3972proc edit_or_newview {} {
3973 global curview
3974
3975 if {$curview > 0} {
3976 editview
3977 } else {
3978 newview 0
3979 }
3980}
3981
3982proc editview {} {
3983 global curview
3984 global viewname viewperm newviewname newviewopts
3985 global viewargs viewargscmd
3986
3987 set top .gitkvedit-$curview
3988 if {[winfo exists $top]} {
3989 raise $top
3990 return
3991 }
3992 decode_view_opts $curview $viewargs($curview)
3993 set newviewname($curview) $viewname($curview)
3994 set newviewopts($curview,perm) $viewperm($curview)
3995 set newviewopts($curview,cmd) $viewargscmd($curview)
3996 vieweditor $top $curview "[mc "Gitk: edit view"] $viewname($curview)"
3997}
3998
3999proc vieweditor {top n title} {
4000 global newviewname newviewopts viewfiles bgcolor
4001 global known_view_options NS
4002
4003 ttk_toplevel $top
4004 wm title $top [concat $title [mc "-- criteria for selecting revisions"]]
4005 make_transient $top .
4006
4007 # View name
4008 ${NS}::frame $top.nfr
4009 ${NS}::label $top.nl -text [mc "View Name"]
4010 ${NS}::entry $top.name -width 20 -textvariable newviewname($n)
4011 pack $top.nfr -in $top -fill x -pady 5 -padx 3
4012 pack $top.nl -in $top.nfr -side left -padx {0 5}
4013 pack $top.name -in $top.nfr -side left -padx {0 25}
4014
4015 # View options
4016 set cframe $top.nfr
4017 set cexpand 0
4018 set cnt 0
4019 foreach opt $known_view_options {
4020 set id [lindex $opt 0]
4021 set type [lindex $opt 1]
4022 set flags [lindex $opt 2]
4023 set title [eval [lindex $opt 4]]
4024 set lxpad 0
4025
4026 if {$flags eq "+" || $flags eq "*"} {
4027 set cframe $top.fr$cnt
4028 incr cnt
4029 ${NS}::frame $cframe
4030 pack $cframe -in $top -fill x -pady 3 -padx 3
4031 set cexpand [expr {$flags eq "*"}]
4032 } elseif {$flags eq ".." || $flags eq "*."} {
4033 set cframe $top.fr$cnt
4034 incr cnt
4035 ${NS}::frame $cframe
4036 pack $cframe -in $top -fill x -pady 3 -padx [list 15 3]
4037 set cexpand [expr {$flags eq "*."}]
4038 } else {
4039 set lxpad 5
4040 }
4041
4042 if {$type eq "l"} {
4043 ${NS}::label $cframe.l_$id -text $title
4044 pack $cframe.l_$id -in $cframe -side left -pady [list 3 0] -anchor w
4045 } elseif {$type eq "b"} {
4046 ${NS}::checkbutton $cframe.c_$id -text $title -variable newviewopts($n,$id)
4047 pack $cframe.c_$id -in $cframe -side left \
4048 -padx [list $lxpad 0] -expand $cexpand -anchor w
4049 } elseif {[regexp {^r(\d+)$} $type type sz]} {
4050 regexp {^(.*_)} $id uselessvar button_id
4051 ${NS}::radiobutton $cframe.c_$id -text $title -variable newviewopts($n,$button_id) -value $sz
4052 pack $cframe.c_$id -in $cframe -side left \
4053 -padx [list $lxpad 0] -expand $cexpand -anchor w
4054 } elseif {[regexp {^t(\d+)$} $type type sz]} {
4055 ${NS}::label $cframe.l_$id -text $title
4056 ${NS}::entry $cframe.e_$id -width $sz -background $bgcolor \
4057 -textvariable newviewopts($n,$id)
4058 pack $cframe.l_$id -in $cframe -side left -padx [list $lxpad 0]
4059 pack $cframe.e_$id -in $cframe -side left -expand 1 -fill x
4060 } elseif {[regexp {^t(\d+)=$} $type type sz]} {
4061 ${NS}::label $cframe.l_$id -text $title
4062 ${NS}::entry $cframe.e_$id -width $sz -background $bgcolor \
4063 -textvariable newviewopts($n,$id)
4064 pack $cframe.l_$id -in $cframe -side top -pady [list 3 0] -anchor w
4065 pack $cframe.e_$id -in $cframe -side top -fill x
4066 } elseif {$type eq "path"} {
4067 ${NS}::label $top.l -text $title
4068 pack $top.l -in $top -side top -pady [list 3 0] -anchor w -padx 3
4069 text $top.t -width 40 -height 5 -background $bgcolor
4070 if {[info exists viewfiles($n)]} {
4071 foreach f $viewfiles($n) {
4072 $top.t insert end $f
4073 $top.t insert end "\n"
4074 }
4075 $top.t delete {end - 1c} end
4076 $top.t mark set insert 0.0
4077 }
4078 pack $top.t -in $top -side top -pady [list 0 5] -fill both -expand 1 -padx 3
4079 }
4080 }
4081
4082 ${NS}::frame $top.buts
4083 ${NS}::button $top.buts.ok -text [mc "OK"] -command [list newviewok $top $n]
4084 ${NS}::button $top.buts.apply -text [mc "Apply (F5)"] -command [list newviewok $top $n 1]
4085 ${NS}::button $top.buts.can -text [mc "Cancel"] -command [list destroy $top]
4086 bind $top <Control-Return> [list newviewok $top $n]
4087 bind $top <F5> [list newviewok $top $n 1]
4088 bind $top <Escape> [list destroy $top]
4089 grid $top.buts.ok $top.buts.apply $top.buts.can
4090 grid columnconfigure $top.buts 0 -weight 1 -uniform a
4091 grid columnconfigure $top.buts 1 -weight 1 -uniform a
4092 grid columnconfigure $top.buts 2 -weight 1 -uniform a
4093 pack $top.buts -in $top -side top -fill x
4094 focus $top.t
4095}
4096
4097proc doviewmenu {m first cmd op argv} {
4098 set nmenu [$m index end]
4099 for {set i $first} {$i <= $nmenu} {incr i} {
4100 if {[$m entrycget $i -command] eq $cmd} {
4101 eval $m $op $i $argv
4102 break
4103 }
4104 }
4105}
4106
4107proc allviewmenus {n op args} {
4108 # global viewhlmenu
4109
4110 doviewmenu .bar.view 5 [list showview $n] $op $args
4111 # doviewmenu $viewhlmenu 1 [list addvhighlight $n] $op $args
4112}
4113
4114proc newviewok {top n {apply 0}} {
4115 global nextviewnum newviewperm newviewname newishighlight
4116 global viewname viewfiles viewperm selectedview curview
4117 global viewargs viewargscmd newviewopts viewhlmenu
4118
4119 if {[catch {
4120 set newargs [encode_view_opts $n]
4121 } err]} {
4122 error_popup "[mc "Error in commit selection arguments:"] $err" $top
4123 return
4124 }
4125 set files {}
4126 foreach f [split [$top.t get 0.0 end] "\n"] {
4127 set ft [string trim $f]
4128 if {$ft ne {}} {
4129 lappend files $ft
4130 }
4131 }
4132 if {![info exists viewfiles($n)]} {
4133 # creating a new view
4134 incr nextviewnum
4135 set viewname($n) $newviewname($n)
4136 set viewperm($n) $newviewopts($n,perm)
4137 set viewfiles($n) $files
4138 set viewargs($n) $newargs
4139 set viewargscmd($n) $newviewopts($n,cmd)
4140 addviewmenu $n
4141 if {!$newishighlight} {
4142 run showview $n
4143 } else {
4144 run addvhighlight $n
4145 }
4146 } else {
4147 # editing an existing view
4148 set viewperm($n) $newviewopts($n,perm)
4149 if {$newviewname($n) ne $viewname($n)} {
4150 set viewname($n) $newviewname($n)
4151 doviewmenu .bar.view 5 [list showview $n] \
4152 entryconf [list -label $viewname($n)]
4153 # doviewmenu $viewhlmenu 1 [list addvhighlight $n] \
4154 # entryconf [list -label $viewname($n) -value $viewname($n)]
4155 }
4156 if {$files ne $viewfiles($n) || $newargs ne $viewargs($n) || \
4157 $newviewopts($n,cmd) ne $viewargscmd($n)} {
4158 set viewfiles($n) $files
4159 set viewargs($n) $newargs
4160 set viewargscmd($n) $newviewopts($n,cmd)
4161 if {$curview == $n} {
4162 run reloadcommits
4163 }
4164 }
4165 }
4166 if {$apply} return
4167 catch {destroy $top}
4168}
4169
4170proc delview {} {
4171 global curview viewperm hlview selectedhlview
4172
4173 if {$curview == 0} return
4174 if {[info exists hlview] && $hlview == $curview} {
4175 set selectedhlview [mc "None"]
4176 unset hlview
4177 }
4178 allviewmenus $curview delete
4179 set viewperm($curview) 0
4180 showview 0
4181}
4182
4183proc addviewmenu {n} {
4184 global viewname viewhlmenu
4185
4186 .bar.view add radiobutton -label $viewname($n) \
4187 -command [list showview $n] -variable selectedview -value $n
4188 #$viewhlmenu add radiobutton -label $viewname($n) \
4189 # -command [list addvhighlight $n] -variable selectedhlview
4190}
4191
4192proc showview {n} {
4193 global curview cached_commitrow ordertok
4194 global displayorder parentlist rowidlist rowisopt rowfinal
4195 global colormap rowtextx nextcolor canvxmax
4196 global numcommits viewcomplete
4197 global selectedline currentid canv canvy0
4198 global treediffs
4199 global pending_select mainheadid
4200 global commitidx
4201 global selectedview
4202 global hlview selectedhlview commitinterest
4203
4204 if {$n == $curview} return
4205 set selid {}
4206 set ymax [lindex [$canv cget -scrollregion] 3]
4207 set span [$canv yview]
4208 set ytop [expr {[lindex $span 0] * $ymax}]
4209 set ybot [expr {[lindex $span 1] * $ymax}]
4210 set yscreen [expr {($ybot - $ytop) / 2}]
4211 if {$selectedline ne {}} {
4212 set selid $currentid
4213 set y [yc $selectedline]
4214 if {$ytop < $y && $y < $ybot} {
4215 set yscreen [expr {$y - $ytop}]
4216 }
4217 } elseif {[info exists pending_select]} {
4218 set selid $pending_select
4219 unset pending_select
4220 }
4221 unselectline
4222 normalline
4223 catch {unset treediffs}
4224 clear_display
4225 if {[info exists hlview] && $hlview == $n} {
4226 unset hlview
4227 set selectedhlview [mc "None"]
4228 }
4229 catch {unset commitinterest}
4230 catch {unset cached_commitrow}
4231 catch {unset ordertok}
4232
4233 set curview $n
4234 set selectedview $n
4235 .bar.view entryconf [mca "Edit view..."] -state [expr {$n == 0? "disabled": "normal"}]
4236 .bar.view entryconf [mca "Delete view"] -state [expr {$n == 0? "disabled": "normal"}]
4237
4238 run refill_reflist
4239 if {![info exists viewcomplete($n)]} {
4240 getcommits $selid
4241 return
4242 }
4243
4244 set displayorder {}
4245 set parentlist {}
4246 set rowidlist {}
4247 set rowisopt {}
4248 set rowfinal {}
4249 set numcommits $commitidx($n)
4250
4251 catch {unset colormap}
4252 catch {unset rowtextx}
4253 set nextcolor 0
4254 set canvxmax [$canv cget -width]
4255 set curview $n
4256 set row 0
4257 setcanvscroll
4258 set yf 0
4259 set row {}
4260 if {$selid ne {} && [commitinview $selid $n]} {
4261 set row [rowofcommit $selid]
4262 # try to get the selected row in the same position on the screen
4263 set ymax [lindex [$canv cget -scrollregion] 3]
4264 set ytop [expr {[yc $row] - $yscreen}]
4265 if {$ytop < 0} {
4266 set ytop 0
4267 }
4268 set yf [expr {$ytop * 1.0 / $ymax}]
4269 }
4270 allcanvs yview moveto $yf
4271 drawvisible
4272 if {$row ne {}} {
4273 selectline $row 0
4274 } elseif {!$viewcomplete($n)} {
4275 reset_pending_select $selid
4276 } else {
4277 reset_pending_select {}
4278
4279 if {[commitinview $pending_select $curview]} {
4280 selectline [rowofcommit $pending_select] 1
4281 } else {
4282 set row [first_real_row]
4283 if {$row < $numcommits} {
4284 selectline $row 0
4285 }
4286 }
4287 }
4288 if {!$viewcomplete($n)} {
4289 if {$numcommits == 0} {
4290 show_status [mc "Reading commits..."]
4291 }
4292 } elseif {$numcommits == 0} {
4293 show_status [mc "No commits selected"]
4294 }
4295}
4296
4297# Stuff relating to the highlighting facility
4298
4299proc ishighlighted {id} {
4300 global vhighlights fhighlights nhighlights rhighlights
4301
4302 if {[info exists nhighlights($id)] && $nhighlights($id) > 0} {
4303 return $nhighlights($id)
4304 }
4305 if {[info exists vhighlights($id)] && $vhighlights($id) > 0} {
4306 return $vhighlights($id)
4307 }
4308 if {[info exists fhighlights($id)] && $fhighlights($id) > 0} {
4309 return $fhighlights($id)
4310 }
4311 if {[info exists rhighlights($id)] && $rhighlights($id) > 0} {
4312 return $rhighlights($id)
4313 }
4314 return 0
4315}
4316
4317proc bolden {id font} {
4318 global canv linehtag currentid boldids need_redisplay markedid
4319
4320 # need_redisplay = 1 means the display is stale and about to be redrawn
4321 if {$need_redisplay} return
4322 lappend boldids $id
4323 $canv itemconf $linehtag($id) -font $font
4324 if {[info exists currentid] && $id eq $currentid} {
4325 $canv delete secsel
4326 set t [eval $canv create rect [$canv bbox $linehtag($id)] \
4327 -outline {{}} -tags secsel \
4328 -fill [$canv cget -selectbackground]]
4329 $canv lower $t
4330 }
4331 if {[info exists markedid] && $id eq $markedid} {
4332 make_idmark $id
4333 }
4334}
4335
4336proc bolden_name {id font} {
4337 global canv2 linentag currentid boldnameids need_redisplay
4338
4339 if {$need_redisplay} return
4340 lappend boldnameids $id
4341 $canv2 itemconf $linentag($id) -font $font
4342 if {[info exists currentid] && $id eq $currentid} {
4343 $canv2 delete secsel
4344 set t [eval $canv2 create rect [$canv2 bbox $linentag($id)] \
4345 -outline {{}} -tags secsel \
4346 -fill [$canv2 cget -selectbackground]]
4347 $canv2 lower $t
4348 }
4349}
4350
4351proc unbolden {} {
4352 global boldids
4353
4354 set stillbold {}
4355 foreach id $boldids {
4356 if {![ishighlighted $id]} {
4357 bolden $id mainfont
4358 } else {
4359 lappend stillbold $id
4360 }
4361 }
4362 set boldids $stillbold
4363}
4364
4365proc addvhighlight {n} {
4366 global hlview viewcomplete curview vhl_done commitidx
4367
4368 if {[info exists hlview]} {
4369 delvhighlight
4370 }
4371 set hlview $n
4372 if {$n != $curview && ![info exists viewcomplete($n)]} {
4373 start_rev_list $n
4374 }
4375 set vhl_done $commitidx($hlview)
4376 if {$vhl_done > 0} {
4377 drawvisible
4378 }
4379}
4380
4381proc delvhighlight {} {
4382 global hlview vhighlights
4383
4384 if {![info exists hlview]} return
4385 unset hlview
4386 catch {unset vhighlights}
4387 unbolden
4388}
4389
4390proc vhighlightmore {} {
4391 global hlview vhl_done commitidx vhighlights curview
4392
4393 set max $commitidx($hlview)
4394 set vr [visiblerows]
4395 set r0 [lindex $vr 0]
4396 set r1 [lindex $vr 1]
4397 for {set i $vhl_done} {$i < $max} {incr i} {
4398 set id [commitonrow $i $hlview]
4399 if {[commitinview $id $curview]} {
4400 set row [rowofcommit $id]
4401 if {$r0 <= $row && $row <= $r1} {
4402 if {![highlighted $row]} {
4403 bolden $id mainfontbold
4404 }
4405 set vhighlights($id) 1
4406 }
4407 }
4408 }
4409 set vhl_done $max
4410 return 0
4411}
4412
4413proc askvhighlight {row id} {
4414 global hlview vhighlights iddrawn
4415
4416 if {[commitinview $id $hlview]} {
4417 if {[info exists iddrawn($id)] && ![ishighlighted $id]} {
4418 bolden $id mainfontbold
4419 }
4420 set vhighlights($id) 1
4421 } else {
4422 set vhighlights($id) 0
4423 }
4424}
4425
4426proc hfiles_change {} {
4427 global highlight_files filehighlight fhighlights fh_serial
4428 global highlight_paths
4429
4430 if {[info exists filehighlight]} {
4431 # delete previous highlights
4432 catch {close $filehighlight}
4433 unset filehighlight
4434 catch {unset fhighlights}
4435 unbolden
4436 unhighlight_filelist
4437 }
4438 set highlight_paths {}
4439 after cancel do_file_hl $fh_serial
4440 incr fh_serial
4441 if {$highlight_files ne {}} {
4442 after 300 do_file_hl $fh_serial
4443 }
4444}
4445
4446proc gdttype_change {name ix op} {
4447 global gdttype highlight_files findstring findpattern
4448
4449 stopfinding
4450 if {$findstring ne {}} {
4451 if {$gdttype eq [mc "containing:"]} {
4452 if {$highlight_files ne {}} {
4453 set highlight_files {}
4454 hfiles_change
4455 }
4456 findcom_change
4457 } else {
4458 if {$findpattern ne {}} {
4459 set findpattern {}
4460 findcom_change
4461 }
4462 set highlight_files $findstring
4463 hfiles_change
4464 }
4465 drawvisible
4466 }
4467 # enable/disable findtype/findloc menus too
4468}
4469
4470proc find_change {name ix op} {
4471 global gdttype findstring highlight_files
4472
4473 stopfinding
4474 if {$gdttype eq [mc "containing:"]} {
4475 findcom_change
4476 } else {
4477 if {$highlight_files ne $findstring} {
4478 set highlight_files $findstring
4479 hfiles_change
4480 }
4481 }
4482 drawvisible
4483}
4484
4485proc findcom_change args {
4486 global nhighlights boldnameids
4487 global findpattern findtype findstring gdttype
4488
4489 stopfinding
4490 # delete previous highlights, if any
4491 foreach id $boldnameids {
4492 bolden_name $id mainfont
4493 }
4494 set boldnameids {}
4495 catch {unset nhighlights}
4496 unbolden
4497 unmarkmatches
4498 if {$gdttype ne [mc "containing:"] || $findstring eq {}} {
4499 set findpattern {}
4500 } elseif {$findtype eq [mc "Regexp"]} {
4501 set findpattern $findstring
4502 } else {
4503 set e [string map {"*" "\\*" "?" "\\?" "\[" "\\\[" "\\" "\\\\"} \
4504 $findstring]
4505 set findpattern "*$e*"
4506 }
4507}
4508
4509proc makepatterns {l} {
4510 set ret {}
4511 foreach e $l {
4512 set ee [string map {"*" "\\*" "?" "\\?" "\[" "\\\[" "\\" "\\\\"} $e]
4513 if {[string index $ee end] eq "/"} {
4514 lappend ret "$ee*"
4515 } else {
4516 lappend ret $ee
4517 lappend ret "$ee/*"
4518 }
4519 }
4520 return $ret
4521}
4522
4523proc do_file_hl {serial} {
4524 global highlight_files filehighlight highlight_paths gdttype fhl_list
4525 global cdup
4526
4527 if {$gdttype eq [mc "touching paths:"]} {
4528 if {[catch {set paths [shellsplit $highlight_files]}]} return
4529 set highlight_paths [makepatterns $paths]
4530 highlight_filelist
4531 set relative_paths {}
4532 foreach path $paths {
4533 lappend relative_paths [file join $cdup $path]
4534 }
4535 set gdtargs [concat -- $relative_paths]
4536 } elseif {$gdttype eq [mc "adding/removing string:"]} {
4537 set gdtargs [list "-S$highlight_files"]
4538 } else {
4539 # must be "containing:", i.e. we're searching commit info
4540 return
4541 }
4542 set cmd [concat | git diff-tree -r -s --stdin $gdtargs]
4543 set filehighlight [open $cmd r+]
4544 fconfigure $filehighlight -blocking 0
4545 filerun $filehighlight readfhighlight
4546 set fhl_list {}
4547 drawvisible
4548 flushhighlights
4549}
4550
4551proc flushhighlights {} {
4552 global filehighlight fhl_list
4553
4554 if {[info exists filehighlight]} {
4555 lappend fhl_list {}
4556 puts $filehighlight ""
4557 flush $filehighlight
4558 }
4559}
4560
4561proc askfilehighlight {row id} {
4562 global filehighlight fhighlights fhl_list
4563
4564 lappend fhl_list $id
4565 set fhighlights($id) -1
4566 puts $filehighlight $id
4567}
4568
4569proc readfhighlight {} {
4570 global filehighlight fhighlights curview iddrawn
4571 global fhl_list find_dirn
4572
4573 if {![info exists filehighlight]} {
4574 return 0
4575 }
4576 set nr 0
4577 while {[incr nr] <= 100 && [gets $filehighlight line] >= 0} {
4578 set line [string trim $line]
4579 set i [lsearch -exact $fhl_list $line]
4580 if {$i < 0} continue
4581 for {set j 0} {$j < $i} {incr j} {
4582 set id [lindex $fhl_list $j]
4583 set fhighlights($id) 0
4584 }
4585 set fhl_list [lrange $fhl_list [expr {$i+1}] end]
4586 if {$line eq {}} continue
4587 if {![commitinview $line $curview]} continue
4588 if {[info exists iddrawn($line)] && ![ishighlighted $line]} {
4589 bolden $line mainfontbold
4590 }
4591 set fhighlights($line) 1
4592 }
4593 if {[eof $filehighlight]} {
4594 # strange...
4595 puts "oops, git diff-tree died"
4596 catch {close $filehighlight}
4597 unset filehighlight
4598 return 0
4599 }
4600 if {[info exists find_dirn]} {
4601 run findmore
4602 }
4603 return 1
4604}
4605
4606proc doesmatch {f} {
4607 global findtype findpattern
4608
4609 if {$findtype eq [mc "Regexp"]} {
4610 return [regexp $findpattern $f]
4611 } elseif {$findtype eq [mc "IgnCase"]} {
4612 return [string match -nocase $findpattern $f]
4613 } else {
4614 return [string match $findpattern $f]
4615 }
4616}
4617
4618proc askfindhighlight {row id} {
4619 global nhighlights commitinfo iddrawn
4620 global findloc
4621 global markingmatches
4622
4623 if {![info exists commitinfo($id)]} {
4624 getcommit $id
4625 }
4626 set info $commitinfo($id)
4627 set isbold 0
4628 set fldtypes [list [mc Headline] [mc Author] [mc Date] [mc Committer] [mc CDate] [mc Comments]]
4629 foreach f $info ty $fldtypes {
4630 if {($findloc eq [mc "All fields"] || $findloc eq $ty) &&
4631 [doesmatch $f]} {
4632 if {$ty eq [mc "Author"]} {
4633 set isbold 2
4634 break
4635 }
4636 set isbold 1
4637 }
4638 }
4639 if {$isbold && [info exists iddrawn($id)]} {
4640 if {![ishighlighted $id]} {
4641 bolden $id mainfontbold
4642 if {$isbold > 1} {
4643 bolden_name $id mainfontbold
4644 }
4645 }
4646 if {$markingmatches} {
4647 markrowmatches $row $id
4648 }
4649 }
4650 set nhighlights($id) $isbold
4651}
4652
4653proc markrowmatches {row id} {
4654 global canv canv2 linehtag linentag commitinfo findloc
4655
4656 set headline [lindex $commitinfo($id) 0]
4657 set author [lindex $commitinfo($id) 1]
4658 $canv delete match$row
4659 $canv2 delete match$row
4660 if {$findloc eq [mc "All fields"] || $findloc eq [mc "Headline"]} {
4661 set m [findmatches $headline]
4662 if {$m ne {}} {
4663 markmatches $canv $row $headline $linehtag($id) $m \
4664 [$canv itemcget $linehtag($id) -font] $row
4665 }
4666 }
4667 if {$findloc eq [mc "All fields"] || $findloc eq [mc "Author"]} {
4668 set m [findmatches $author]
4669 if {$m ne {}} {
4670 markmatches $canv2 $row $author $linentag($id) $m \
4671 [$canv2 itemcget $linentag($id) -font] $row
4672 }
4673 }
4674}
4675
4676proc vrel_change {name ix op} {
4677 global highlight_related
4678
4679 rhighlight_none
4680 if {$highlight_related ne [mc "None"]} {
4681 run drawvisible
4682 }
4683}
4684
4685# prepare for testing whether commits are descendents or ancestors of a
4686proc rhighlight_sel {a} {
4687 global descendent desc_todo ancestor anc_todo
4688 global highlight_related
4689
4690 catch {unset descendent}
4691 set desc_todo [list $a]
4692 catch {unset ancestor}
4693 set anc_todo [list $a]
4694 if {$highlight_related ne [mc "None"]} {
4695 rhighlight_none
4696 run drawvisible
4697 }
4698}
4699
4700proc rhighlight_none {} {
4701 global rhighlights
4702
4703 catch {unset rhighlights}
4704 unbolden
4705}
4706
4707proc is_descendent {a} {
4708 global curview children descendent desc_todo
4709
4710 set v $curview
4711 set la [rowofcommit $a]
4712 set todo $desc_todo
4713 set leftover {}
4714 set done 0
4715 for {set i 0} {$i < [llength $todo]} {incr i} {
4716 set do [lindex $todo $i]
4717 if {[rowofcommit $do] < $la} {
4718 lappend leftover $do
4719 continue
4720 }
4721 foreach nk $children($v,$do) {
4722 if {![info exists descendent($nk)]} {
4723 set descendent($nk) 1
4724 lappend todo $nk
4725 if {$nk eq $a} {
4726 set done 1
4727 }
4728 }
4729 }
4730 if {$done} {
4731 set desc_todo [concat $leftover [lrange $todo [expr {$i+1}] end]]
4732 return
4733 }
4734 }
4735 set descendent($a) 0
4736 set desc_todo $leftover
4737}
4738
4739proc is_ancestor {a} {
4740 global curview parents ancestor anc_todo
4741
4742 set v $curview
4743 set la [rowofcommit $a]
4744 set todo $anc_todo
4745 set leftover {}
4746 set done 0
4747 for {set i 0} {$i < [llength $todo]} {incr i} {
4748 set do [lindex $todo $i]
4749 if {![commitinview $do $v] || [rowofcommit $do] > $la} {
4750 lappend leftover $do
4751 continue
4752 }
4753 foreach np $parents($v,$do) {
4754 if {![info exists ancestor($np)]} {
4755 set ancestor($np) 1
4756 lappend todo $np
4757 if {$np eq $a} {
4758 set done 1
4759 }
4760 }
4761 }
4762 if {$done} {
4763 set anc_todo [concat $leftover [lrange $todo [expr {$i+1}] end]]
4764 return
4765 }
4766 }
4767 set ancestor($a) 0
4768 set anc_todo $leftover
4769}
4770
4771proc askrelhighlight {row id} {
4772 global descendent highlight_related iddrawn rhighlights
4773 global selectedline ancestor
4774
4775 if {$selectedline eq {}} return
4776 set isbold 0
4777 if {$highlight_related eq [mc "Descendant"] ||
4778 $highlight_related eq [mc "Not descendant"]} {
4779 if {![info exists descendent($id)]} {
4780 is_descendent $id
4781 }
4782 if {$descendent($id) == ($highlight_related eq [mc "Descendant"])} {
4783 set isbold 1
4784 }
4785 } elseif {$highlight_related eq [mc "Ancestor"] ||
4786 $highlight_related eq [mc "Not ancestor"]} {
4787 if {![info exists ancestor($id)]} {
4788 is_ancestor $id
4789 }
4790 if {$ancestor($id) == ($highlight_related eq [mc "Ancestor"])} {
4791 set isbold 1
4792 }
4793 }
4794 if {[info exists iddrawn($id)]} {
4795 if {$isbold && ![ishighlighted $id]} {
4796 bolden $id mainfontbold
4797 }
4798 }
4799 set rhighlights($id) $isbold
4800}
4801
4802# Graph layout functions
4803
4804proc shortids {ids} {
4805 set res {}
4806 foreach id $ids {
4807 if {[llength $id] > 1} {
4808 lappend res [shortids $id]
4809 } elseif {[regexp {^[0-9a-f]{40}$} $id]} {
4810 lappend res [string range $id 0 7]
4811 } else {
4812 lappend res $id
4813 }
4814 }
4815 return $res
4816}
4817
4818proc ntimes {n o} {
4819 set ret {}
4820 set o [list $o]
4821 for {set mask 1} {$mask <= $n} {incr mask $mask} {
4822 if {($n & $mask) != 0} {
4823 set ret [concat $ret $o]
4824 }
4825 set o [concat $o $o]
4826 }
4827 return $ret
4828}
4829
4830proc ordertoken {id} {
4831 global ordertok curview varcid varcstart varctok curview parents children
4832 global nullid nullid2
4833
4834 if {[info exists ordertok($id)]} {
4835 return $ordertok($id)
4836 }
4837 set origid $id
4838 set todo {}
4839 while {1} {
4840 if {[info exists varcid($curview,$id)]} {
4841 set a $varcid($curview,$id)
4842 set p [lindex $varcstart($curview) $a]
4843 } else {
4844 set p [lindex $children($curview,$id) 0]
4845 }
4846 if {[info exists ordertok($p)]} {
4847 set tok $ordertok($p)
4848 break
4849 }
4850 set id [first_real_child $curview,$p]
4851 if {$id eq {}} {
4852 # it's a root
4853 set tok [lindex $varctok($curview) $varcid($curview,$p)]
4854 break
4855 }
4856 if {[llength $parents($curview,$id)] == 1} {
4857 lappend todo [list $p {}]
4858 } else {
4859 set j [lsearch -exact $parents($curview,$id) $p]
4860 if {$j < 0} {
4861 puts "oops didn't find [shortids $p] in parents of [shortids $id]"
4862 }
4863 lappend todo [list $p [strrep $j]]
4864 }
4865 }
4866 for {set i [llength $todo]} {[incr i -1] >= 0} {} {
4867 set p [lindex $todo $i 0]
4868 append tok [lindex $todo $i 1]
4869 set ordertok($p) $tok
4870 }
4871 set ordertok($origid) $tok
4872 return $tok
4873}
4874
4875# Work out where id should go in idlist so that order-token
4876# values increase from left to right
4877proc idcol {idlist id {i 0}} {
4878 set t [ordertoken $id]
4879 if {$i < 0} {
4880 set i 0
4881 }
4882 if {$i >= [llength $idlist] || $t < [ordertoken [lindex $idlist $i]]} {
4883 if {$i > [llength $idlist]} {
4884 set i [llength $idlist]
4885 }
4886 while {[incr i -1] >= 0 && $t < [ordertoken [lindex $idlist $i]]} {}
4887 incr i
4888 } else {
4889 if {$t > [ordertoken [lindex $idlist $i]]} {
4890 while {[incr i] < [llength $idlist] &&
4891 $t >= [ordertoken [lindex $idlist $i]]} {}
4892 }
4893 }
4894 return $i
4895}
4896
4897proc initlayout {} {
4898 global rowidlist rowisopt rowfinal displayorder parentlist
4899 global numcommits canvxmax canv
4900 global nextcolor
4901 global colormap rowtextx
4902
4903 set numcommits 0
4904 set displayorder {}
4905 set parentlist {}
4906 set nextcolor 0
4907 set rowidlist {}
4908 set rowisopt {}
4909 set rowfinal {}
4910 set canvxmax [$canv cget -width]
4911 catch {unset colormap}
4912 catch {unset rowtextx}
4913 setcanvscroll
4914}
4915
4916proc setcanvscroll {} {
4917 global canv canv2 canv3 numcommits linespc canvxmax canvy0
4918 global lastscrollset lastscrollrows
4919
4920 set ymax [expr {$canvy0 + ($numcommits - 0.5) * $linespc + 2}]
4921 $canv conf -scrollregion [list 0 0 $canvxmax $ymax]
4922 $canv2 conf -scrollregion [list 0 0 0 $ymax]
4923 $canv3 conf -scrollregion [list 0 0 0 $ymax]
4924 set lastscrollset [clock clicks -milliseconds]
4925 set lastscrollrows $numcommits
4926}
4927
4928proc visiblerows {} {
4929 global canv numcommits linespc
4930
4931 set ymax [lindex [$canv cget -scrollregion] 3]
4932 if {$ymax eq {} || $ymax == 0} return
4933 set f [$canv yview]
4934 set y0 [expr {int([lindex $f 0] * $ymax)}]
4935 set r0 [expr {int(($y0 - 3) / $linespc) - 1}]
4936 if {$r0 < 0} {
4937 set r0 0
4938 }
4939 set y1 [expr {int([lindex $f 1] * $ymax)}]
4940 set r1 [expr {int(($y1 - 3) / $linespc) + 1}]
4941 if {$r1 >= $numcommits} {
4942 set r1 [expr {$numcommits - 1}]
4943 }
4944 return [list $r0 $r1]
4945}
4946
4947proc layoutmore {} {
4948 global commitidx viewcomplete curview
4949 global numcommits pending_select curview
4950 global lastscrollset lastscrollrows
4951
4952 if {$lastscrollrows < 100 || $viewcomplete($curview) ||
4953 [clock clicks -milliseconds] - $lastscrollset > 500} {
4954 setcanvscroll
4955 }
4956 if {[info exists pending_select] &&
4957 [commitinview $pending_select $curview]} {
4958 update
4959 selectline [rowofcommit $pending_select] 1
4960 }
4961 drawvisible
4962}
4963
4964# With path limiting, we mightn't get the actual HEAD commit,
4965# so ask git rev-list what is the first ancestor of HEAD that
4966# touches a file in the path limit.
4967proc get_viewmainhead {view} {
4968 global viewmainheadid vfilelimit viewinstances mainheadid
4969
4970 catch {
4971 set rfd [open [concat | git rev-list -1 $mainheadid \
4972 -- $vfilelimit($view)] r]
4973 set j [reg_instance $rfd]
4974 lappend viewinstances($view) $j
4975 fconfigure $rfd -blocking 0
4976 filerun $rfd [list getviewhead $rfd $j $view]
4977 set viewmainheadid($curview) {}
4978 }
4979}
4980
4981# git rev-list should give us just 1 line to use as viewmainheadid($view)
4982proc getviewhead {fd inst view} {
4983 global viewmainheadid commfd curview viewinstances showlocalchanges
4984
4985 set id {}
4986 if {[gets $fd line] < 0} {
4987 if {![eof $fd]} {
4988 return 1
4989 }
4990 } elseif {[string length $line] == 40 && [string is xdigit $line]} {
4991 set id $line
4992 }
4993 set viewmainheadid($view) $id
4994 close $fd
4995 unset commfd($inst)
4996 set i [lsearch -exact $viewinstances($view) $inst]
4997 if {$i >= 0} {
4998 set viewinstances($view) [lreplace $viewinstances($view) $i $i]
4999 }
5000 if {$showlocalchanges && $id ne {} && $view == $curview} {
5001 doshowlocalchanges
5002 }
5003 return 0
5004}
5005
5006proc doshowlocalchanges {} {
5007 global curview viewmainheadid
5008
5009 if {$viewmainheadid($curview) eq {}} return
5010 if {[commitinview $viewmainheadid($curview) $curview]} {
5011 dodiffindex
5012 } else {
5013 interestedin $viewmainheadid($curview) dodiffindex
5014 }
5015}
5016
5017proc dohidelocalchanges {} {
5018 global nullid nullid2 lserial curview
5019
5020 if {[commitinview $nullid $curview]} {
5021 removefakerow $nullid
5022 }
5023 if {[commitinview $nullid2 $curview]} {
5024 removefakerow $nullid2
5025 }
5026 incr lserial
5027}
5028
5029# spawn off a process to do git diff-index --cached HEAD
5030proc dodiffindex {} {
5031 global lserial showlocalchanges vfilelimit curview
5032 global hasworktree
5033
5034 if {!$showlocalchanges || !$hasworktree} return
5035 incr lserial
5036 set cmd "|git diff-index --cached HEAD"
5037 if {$vfilelimit($curview) ne {}} {
5038 set cmd [concat $cmd -- $vfilelimit($curview)]
5039 }
5040 set fd [open $cmd r]
5041 fconfigure $fd -blocking 0
5042 set i [reg_instance $fd]
5043 filerun $fd [list readdiffindex $fd $lserial $i]
5044}
5045
5046proc readdiffindex {fd serial inst} {
5047 global viewmainheadid nullid nullid2 curview commitinfo commitdata lserial
5048 global vfilelimit
5049
5050 set isdiff 1
5051 if {[gets $fd line] < 0} {
5052 if {![eof $fd]} {
5053 return 1
5054 }
5055 set isdiff 0
5056 }
5057 # we only need to see one line and we don't really care what it says...
5058 stop_instance $inst
5059
5060 if {$serial != $lserial} {
5061 return 0
5062 }
5063
5064 # now see if there are any local changes not checked in to the index
5065 set cmd "|git diff-files"
5066 if {$vfilelimit($curview) ne {}} {
5067 set cmd [concat $cmd -- $vfilelimit($curview)]
5068 }
5069 set fd [open $cmd r]
5070 fconfigure $fd -blocking 0
5071 set i [reg_instance $fd]
5072 filerun $fd [list readdifffiles $fd $serial $i]
5073
5074 if {$isdiff && ![commitinview $nullid2 $curview]} {
5075 # add the line for the changes in the index to the graph
5076 set hl [mc "Local changes checked in to index but not committed"]
5077 set commitinfo($nullid2) [list $hl {} {} {} {} " $hl\n"]
5078 set commitdata($nullid2) "\n $hl\n"
5079 if {[commitinview $nullid $curview]} {
5080 removefakerow $nullid
5081 }
5082 insertfakerow $nullid2 $viewmainheadid($curview)
5083 } elseif {!$isdiff && [commitinview $nullid2 $curview]} {
5084 if {[commitinview $nullid $curview]} {
5085 removefakerow $nullid
5086 }
5087 removefakerow $nullid2
5088 }
5089 return 0
5090}
5091
5092proc readdifffiles {fd serial inst} {
5093 global viewmainheadid nullid nullid2 curview
5094 global commitinfo commitdata lserial
5095
5096 set isdiff 1
5097 if {[gets $fd line] < 0} {
5098 if {![eof $fd]} {
5099 return 1
5100 }
5101 set isdiff 0
5102 }
5103 # we only need to see one line and we don't really care what it says...
5104 stop_instance $inst
5105
5106 if {$serial != $lserial} {
5107 return 0
5108 }
5109
5110 if {$isdiff && ![commitinview $nullid $curview]} {
5111 # add the line for the local diff to the graph
5112 set hl [mc "Local uncommitted changes, not checked in to index"]
5113 set commitinfo($nullid) [list $hl {} {} {} {} " $hl\n"]
5114 set commitdata($nullid) "\n $hl\n"
5115 if {[commitinview $nullid2 $curview]} {
5116 set p $nullid2
5117 } else {
5118 set p $viewmainheadid($curview)
5119 }
5120 insertfakerow $nullid $p
5121 } elseif {!$isdiff && [commitinview $nullid $curview]} {
5122 removefakerow $nullid
5123 }
5124 return 0
5125}
5126
5127proc nextuse {id row} {
5128 global curview children
5129
5130 if {[info exists children($curview,$id)]} {
5131 foreach kid $children($curview,$id) {
5132 if {![commitinview $kid $curview]} {
5133 return -1
5134 }
5135 if {[rowofcommit $kid] > $row} {
5136 return [rowofcommit $kid]
5137 }
5138 }
5139 }
5140 if {[commitinview $id $curview]} {
5141 return [rowofcommit $id]
5142 }
5143 return -1
5144}
5145
5146proc prevuse {id row} {
5147 global curview children
5148
5149 set ret -1
5150 if {[info exists children($curview,$id)]} {
5151 foreach kid $children($curview,$id) {
5152 if {![commitinview $kid $curview]} break
5153 if {[rowofcommit $kid] < $row} {
5154 set ret [rowofcommit $kid]
5155 }
5156 }
5157 }
5158 return $ret
5159}
5160
5161proc make_idlist {row} {
5162 global displayorder parentlist uparrowlen downarrowlen mingaplen
5163 global commitidx curview children
5164
5165 set r [expr {$row - $mingaplen - $downarrowlen - 1}]
5166 if {$r < 0} {
5167 set r 0
5168 }
5169 set ra [expr {$row - $downarrowlen}]
5170 if {$ra < 0} {
5171 set ra 0
5172 }
5173 set rb [expr {$row + $uparrowlen}]
5174 if {$rb > $commitidx($curview)} {
5175 set rb $commitidx($curview)
5176 }
5177 make_disporder $r [expr {$rb + 1}]
5178 set ids {}
5179 for {} {$r < $ra} {incr r} {
5180 set nextid [lindex $displayorder [expr {$r + 1}]]
5181 foreach p [lindex $parentlist $r] {
5182 if {$p eq $nextid} continue
5183 set rn [nextuse $p $r]
5184 if {$rn >= $row &&
5185 $rn <= $r + $downarrowlen + $mingaplen + $uparrowlen} {
5186 lappend ids [list [ordertoken $p] $p]
5187 }
5188 }
5189 }
5190 for {} {$r < $row} {incr r} {
5191 set nextid [lindex $displayorder [expr {$r + 1}]]
5192 foreach p [lindex $parentlist $r] {
5193 if {$p eq $nextid} continue
5194 set rn [nextuse $p $r]
5195 if {$rn < 0 || $rn >= $row} {
5196 lappend ids [list [ordertoken $p] $p]
5197 }
5198 }
5199 }
5200 set id [lindex $displayorder $row]
5201 lappend ids [list [ordertoken $id] $id]
5202 while {$r < $rb} {
5203 foreach p [lindex $parentlist $r] {
5204 set firstkid [lindex $children($curview,$p) 0]
5205 if {[rowofcommit $firstkid] < $row} {
5206 lappend ids [list [ordertoken $p] $p]
5207 }
5208 }
5209 incr r
5210 set id [lindex $displayorder $r]
5211 if {$id ne {}} {
5212 set firstkid [lindex $children($curview,$id) 0]
5213 if {$firstkid ne {} && [rowofcommit $firstkid] < $row} {
5214 lappend ids [list [ordertoken $id] $id]
5215 }
5216 }
5217 }
5218 set idlist {}
5219 foreach idx [lsort -unique $ids] {
5220 lappend idlist [lindex $idx 1]
5221 }
5222 return $idlist
5223}
5224
5225proc rowsequal {a b} {
5226 while {[set i [lsearch -exact $a {}]] >= 0} {
5227 set a [lreplace $a $i $i]
5228 }
5229 while {[set i [lsearch -exact $b {}]] >= 0} {
5230 set b [lreplace $b $i $i]
5231 }
5232 return [expr {$a eq $b}]
5233}
5234
5235proc makeupline {id row rend col} {
5236 global rowidlist uparrowlen downarrowlen mingaplen
5237
5238 for {set r $rend} {1} {set r $rstart} {
5239 set rstart [prevuse $id $r]
5240 if {$rstart < 0} return
5241 if {$rstart < $row} break
5242 }
5243 if {$rstart + $uparrowlen + $mingaplen + $downarrowlen < $rend} {
5244 set rstart [expr {$rend - $uparrowlen - 1}]
5245 }
5246 for {set r $rstart} {[incr r] <= $row} {} {
5247 set idlist [lindex $rowidlist $r]
5248 if {$idlist ne {} && [lsearch -exact $idlist $id] < 0} {
5249 set col [idcol $idlist $id $col]
5250 lset rowidlist $r [linsert $idlist $col $id]
5251 changedrow $r
5252 }
5253 }
5254}
5255
5256proc layoutrows {row endrow} {
5257 global rowidlist rowisopt rowfinal displayorder
5258 global uparrowlen downarrowlen maxwidth mingaplen
5259 global children parentlist
5260 global commitidx viewcomplete curview
5261
5262 make_disporder [expr {$row - 1}] [expr {$endrow + $uparrowlen}]
5263 set idlist {}
5264 if {$row > 0} {
5265 set rm1 [expr {$row - 1}]
5266 foreach id [lindex $rowidlist $rm1] {
5267 if {$id ne {}} {
5268 lappend idlist $id
5269 }
5270 }
5271 set final [lindex $rowfinal $rm1]
5272 }
5273 for {} {$row < $endrow} {incr row} {
5274 set rm1 [expr {$row - 1}]
5275 if {$rm1 < 0 || $idlist eq {}} {
5276 set idlist [make_idlist $row]
5277 set final 1
5278 } else {
5279 set id [lindex $displayorder $rm1]
5280 set col [lsearch -exact $idlist $id]
5281 set idlist [lreplace $idlist $col $col]
5282 foreach p [lindex $parentlist $rm1] {
5283 if {[lsearch -exact $idlist $p] < 0} {
5284 set col [idcol $idlist $p $col]
5285 set idlist [linsert $idlist $col $p]
5286 # if not the first child, we have to insert a line going up
5287 if {$id ne [lindex $children($curview,$p) 0]} {
5288 makeupline $p $rm1 $row $col
5289 }
5290 }
5291 }
5292 set id [lindex $displayorder $row]
5293 if {$row > $downarrowlen} {
5294 set termrow [expr {$row - $downarrowlen - 1}]
5295 foreach p [lindex $parentlist $termrow] {
5296 set i [lsearch -exact $idlist $p]
5297 if {$i < 0} continue
5298 set nr [nextuse $p $termrow]
5299 if {$nr < 0 || $nr >= $row + $mingaplen + $uparrowlen} {
5300 set idlist [lreplace $idlist $i $i]
5301 }
5302 }
5303 }
5304 set col [lsearch -exact $idlist $id]
5305 if {$col < 0} {
5306 set col [idcol $idlist $id]
5307 set idlist [linsert $idlist $col $id]
5308 if {$children($curview,$id) ne {}} {
5309 makeupline $id $rm1 $row $col
5310 }
5311 }
5312 set r [expr {$row + $uparrowlen - 1}]
5313 if {$r < $commitidx($curview)} {
5314 set x $col
5315 foreach p [lindex $parentlist $r] {
5316 if {[lsearch -exact $idlist $p] >= 0} continue
5317 set fk [lindex $children($curview,$p) 0]
5318 if {[rowofcommit $fk] < $row} {
5319 set x [idcol $idlist $p $x]
5320 set idlist [linsert $idlist $x $p]
5321 }
5322 }
5323 if {[incr r] < $commitidx($curview)} {
5324 set p [lindex $displayorder $r]
5325 if {[lsearch -exact $idlist $p] < 0} {
5326 set fk [lindex $children($curview,$p) 0]
5327 if {$fk ne {} && [rowofcommit $fk] < $row} {
5328 set x [idcol $idlist $p $x]
5329 set idlist [linsert $idlist $x $p]
5330 }
5331 }
5332 }
5333 }
5334 }
5335 if {$final && !$viewcomplete($curview) &&
5336 $row + $uparrowlen + $mingaplen + $downarrowlen
5337 >= $commitidx($curview)} {
5338 set final 0
5339 }
5340 set l [llength $rowidlist]
5341 if {$row == $l} {
5342 lappend rowidlist $idlist
5343 lappend rowisopt 0
5344 lappend rowfinal $final
5345 } elseif {$row < $l} {
5346 if {![rowsequal $idlist [lindex $rowidlist $row]]} {
5347 lset rowidlist $row $idlist
5348 changedrow $row
5349 }
5350 lset rowfinal $row $final
5351 } else {
5352 set pad [ntimes [expr {$row - $l}] {}]
5353 set rowidlist [concat $rowidlist $pad]
5354 lappend rowidlist $idlist
5355 set rowfinal [concat $rowfinal $pad]
5356 lappend rowfinal $final
5357 set rowisopt [concat $rowisopt [ntimes [expr {$row - $l + 1}] 0]]
5358 }
5359 }
5360 return $row
5361}
5362
5363proc changedrow {row} {
5364 global displayorder iddrawn rowisopt need_redisplay
5365
5366 set l [llength $rowisopt]
5367 if {$row < $l} {
5368 lset rowisopt $row 0
5369 if {$row + 1 < $l} {
5370 lset rowisopt [expr {$row + 1}] 0
5371 if {$row + 2 < $l} {
5372 lset rowisopt [expr {$row + 2}] 0
5373 }
5374 }
5375 }
5376 set id [lindex $displayorder $row]
5377 if {[info exists iddrawn($id)]} {
5378 set need_redisplay 1
5379 }
5380}
5381
5382proc insert_pad {row col npad} {
5383 global rowidlist
5384
5385 set pad [ntimes $npad {}]
5386 set idlist [lindex $rowidlist $row]
5387 set bef [lrange $idlist 0 [expr {$col - 1}]]
5388 set aft [lrange $idlist $col end]
5389 set i [lsearch -exact $aft {}]
5390 if {$i > 0} {
5391 set aft [lreplace $aft $i $i]
5392 }
5393 lset rowidlist $row [concat $bef $pad $aft]
5394 changedrow $row
5395}
5396
5397proc optimize_rows {row col endrow} {
5398 global rowidlist rowisopt displayorder curview children
5399
5400 if {$row < 1} {
5401 set row 1
5402 }
5403 for {} {$row < $endrow} {incr row; set col 0} {
5404 if {[lindex $rowisopt $row]} continue
5405 set haspad 0
5406 set y0 [expr {$row - 1}]
5407 set ym [expr {$row - 2}]
5408 set idlist [lindex $rowidlist $row]
5409 set previdlist [lindex $rowidlist $y0]
5410 if {$idlist eq {} || $previdlist eq {}} continue
5411 if {$ym >= 0} {
5412 set pprevidlist [lindex $rowidlist $ym]
5413 if {$pprevidlist eq {}} continue
5414 } else {
5415 set pprevidlist {}
5416 }
5417 set x0 -1
5418 set xm -1
5419 for {} {$col < [llength $idlist]} {incr col} {
5420 set id [lindex $idlist $col]
5421 if {[lindex $previdlist $col] eq $id} continue
5422 if {$id eq {}} {
5423 set haspad 1
5424 continue
5425 }
5426 set x0 [lsearch -exact $previdlist $id]
5427 if {$x0 < 0} continue
5428 set z [expr {$x0 - $col}]
5429 set isarrow 0
5430 set z0 {}
5431 if {$ym >= 0} {
5432 set xm [lsearch -exact $pprevidlist $id]
5433 if {$xm >= 0} {
5434 set z0 [expr {$xm - $x0}]
5435 }
5436 }
5437 if {$z0 eq {}} {
5438 # if row y0 is the first child of $id then it's not an arrow
5439 if {[lindex $children($curview,$id) 0] ne
5440 [lindex $displayorder $y0]} {
5441 set isarrow 1
5442 }
5443 }
5444 if {!$isarrow && $id ne [lindex $displayorder $row] &&
5445 [lsearch -exact [lindex $rowidlist [expr {$row+1}]] $id] < 0} {
5446 set isarrow 1
5447 }
5448 # Looking at lines from this row to the previous row,
5449 # make them go straight up if they end in an arrow on
5450 # the previous row; otherwise make them go straight up
5451 # or at 45 degrees.
5452 if {$z < -1 || ($z < 0 && $isarrow)} {
5453 # Line currently goes left too much;
5454 # insert pads in the previous row, then optimize it
5455 set npad [expr {-1 - $z + $isarrow}]
5456 insert_pad $y0 $x0 $npad
5457 if {$y0 > 0} {
5458 optimize_rows $y0 $x0 $row
5459 }
5460 set previdlist [lindex $rowidlist $y0]
5461 set x0 [lsearch -exact $previdlist $id]
5462 set z [expr {$x0 - $col}]
5463 if {$z0 ne {}} {
5464 set pprevidlist [lindex $rowidlist $ym]
5465 set xm [lsearch -exact $pprevidlist $id]
5466 set z0 [expr {$xm - $x0}]
5467 }
5468 } elseif {$z > 1 || ($z > 0 && $isarrow)} {
5469 # Line currently goes right too much;
5470 # insert pads in this line
5471 set npad [expr {$z - 1 + $isarrow}]
5472 insert_pad $row $col $npad
5473 set idlist [lindex $rowidlist $row]
5474 incr col $npad
5475 set z [expr {$x0 - $col}]
5476 set haspad 1
5477 }
5478 if {$z0 eq {} && !$isarrow && $ym >= 0} {
5479 # this line links to its first child on row $row-2
5480 set id [lindex $displayorder $ym]
5481 set xc [lsearch -exact $pprevidlist $id]
5482 if {$xc >= 0} {
5483 set z0 [expr {$xc - $x0}]
5484 }
5485 }
5486 # avoid lines jigging left then immediately right
5487 if {$z0 ne {} && $z < 0 && $z0 > 0} {
5488 insert_pad $y0 $x0 1
5489 incr x0
5490 optimize_rows $y0 $x0 $row
5491 set previdlist [lindex $rowidlist $y0]
5492 }
5493 }
5494 if {!$haspad} {
5495 # Find the first column that doesn't have a line going right
5496 for {set col [llength $idlist]} {[incr col -1] >= 0} {} {
5497 set id [lindex $idlist $col]
5498 if {$id eq {}} break
5499 set x0 [lsearch -exact $previdlist $id]
5500 if {$x0 < 0} {
5501 # check if this is the link to the first child
5502 set kid [lindex $displayorder $y0]
5503 if {[lindex $children($curview,$id) 0] eq $kid} {
5504 # it is, work out offset to child
5505 set x0 [lsearch -exact $previdlist $kid]
5506 }
5507 }
5508 if {$x0 <= $col} break
5509 }
5510 # Insert a pad at that column as long as it has a line and
5511 # isn't the last column
5512 if {$x0 >= 0 && [incr col] < [llength $idlist]} {
5513 set idlist [linsert $idlist $col {}]
5514 lset rowidlist $row $idlist
5515 changedrow $row
5516 }
5517 }
5518 }
5519}
5520
5521proc xc {row col} {
5522 global canvx0 linespc
5523 return [expr {$canvx0 + $col * $linespc}]
5524}
5525
5526proc yc {row} {
5527 global canvy0 linespc
5528 return [expr {$canvy0 + $row * $linespc}]
5529}
5530
5531proc linewidth {id} {
5532 global thickerline lthickness
5533
5534 set wid $lthickness
5535 if {[info exists thickerline] && $id eq $thickerline} {
5536 set wid [expr {2 * $lthickness}]
5537 }
5538 return $wid
5539}
5540
5541proc rowranges {id} {
5542 global curview children uparrowlen downarrowlen
5543 global rowidlist
5544
5545 set kids $children($curview,$id)
5546 if {$kids eq {}} {
5547 return {}
5548 }
5549 set ret {}
5550 lappend kids $id
5551 foreach child $kids {
5552 if {![commitinview $child $curview]} break
5553 set row [rowofcommit $child]
5554 if {![info exists prev]} {
5555 lappend ret [expr {$row + 1}]
5556 } else {
5557 if {$row <= $prevrow} {
5558 puts "oops children of [shortids $id] out of order [shortids $child] $row <= [shortids $prev] $prevrow"
5559 }
5560 # see if the line extends the whole way from prevrow to row
5561 if {$row > $prevrow + $uparrowlen + $downarrowlen &&
5562 [lsearch -exact [lindex $rowidlist \
5563 [expr {int(($row + $prevrow) / 2)}]] $id] < 0} {
5564 # it doesn't, see where it ends
5565 set r [expr {$prevrow + $downarrowlen}]
5566 if {[lsearch -exact [lindex $rowidlist $r] $id] < 0} {
5567 while {[incr r -1] > $prevrow &&
5568 [lsearch -exact [lindex $rowidlist $r] $id] < 0} {}
5569 } else {
5570 while {[incr r] <= $row &&
5571 [lsearch -exact [lindex $rowidlist $r] $id] >= 0} {}
5572 incr r -1
5573 }
5574 lappend ret $r
5575 # see where it starts up again
5576 set r [expr {$row - $uparrowlen}]
5577 if {[lsearch -exact [lindex $rowidlist $r] $id] < 0} {
5578 while {[incr r] < $row &&
5579 [lsearch -exact [lindex $rowidlist $r] $id] < 0} {}
5580 } else {
5581 while {[incr r -1] >= $prevrow &&
5582 [lsearch -exact [lindex $rowidlist $r] $id] >= 0} {}
5583 incr r
5584 }
5585 lappend ret $r
5586 }
5587 }
5588 if {$child eq $id} {
5589 lappend ret $row
5590 }
5591 set prev $child
5592 set prevrow $row
5593 }
5594 return $ret
5595}
5596
5597proc drawlineseg {id row endrow arrowlow} {
5598 global rowidlist displayorder iddrawn linesegs
5599 global canv colormap linespc curview maxlinelen parentlist
5600
5601 set cols [list [lsearch -exact [lindex $rowidlist $row] $id]]
5602 set le [expr {$row + 1}]
5603 set arrowhigh 1
5604 while {1} {
5605 set c [lsearch -exact [lindex $rowidlist $le] $id]
5606 if {$c < 0} {
5607 incr le -1
5608 break
5609 }
5610 lappend cols $c
5611 set x [lindex $displayorder $le]
5612 if {$x eq $id} {
5613 set arrowhigh 0
5614 break
5615 }
5616 if {[info exists iddrawn($x)] || $le == $endrow} {
5617 set c [lsearch -exact [lindex $rowidlist [expr {$le+1}]] $id]
5618 if {$c >= 0} {
5619 lappend cols $c
5620 set arrowhigh 0
5621 }
5622 break
5623 }
5624 incr le
5625 }
5626 if {$le <= $row} {
5627 return $row
5628 }
5629
5630 set lines {}
5631 set i 0
5632 set joinhigh 0
5633 if {[info exists linesegs($id)]} {
5634 set lines $linesegs($id)
5635 foreach li $lines {
5636 set r0 [lindex $li 0]
5637 if {$r0 > $row} {
5638 if {$r0 == $le && [lindex $li 1] - $row <= $maxlinelen} {
5639 set joinhigh 1
5640 }
5641 break
5642 }
5643 incr i
5644 }
5645 }
5646 set joinlow 0
5647 if {$i > 0} {
5648 set li [lindex $lines [expr {$i-1}]]
5649 set r1 [lindex $li 1]
5650 if {$r1 == $row && $le - [lindex $li 0] <= $maxlinelen} {
5651 set joinlow 1
5652 }
5653 }
5654
5655 set x [lindex $cols [expr {$le - $row}]]
5656 set xp [lindex $cols [expr {$le - 1 - $row}]]
5657 set dir [expr {$xp - $x}]
5658 if {$joinhigh} {
5659 set ith [lindex $lines $i 2]
5660 set coords [$canv coords $ith]
5661 set ah [$canv itemcget $ith -arrow]
5662 set arrowhigh [expr {$ah eq "first" || $ah eq "both"}]
5663 set x2 [lindex $cols [expr {$le + 1 - $row}]]
5664 if {$x2 ne {} && $x - $x2 == $dir} {
5665 set coords [lrange $coords 0 end-2]
5666 }
5667 } else {
5668 set coords [list [xc $le $x] [yc $le]]
5669 }
5670 if {$joinlow} {
5671 set itl [lindex $lines [expr {$i-1}] 2]
5672 set al [$canv itemcget $itl -arrow]
5673 set arrowlow [expr {$al eq "last" || $al eq "both"}]
5674 } elseif {$arrowlow} {
5675 if {[lsearch -exact [lindex $rowidlist [expr {$row-1}]] $id] >= 0 ||
5676 [lsearch -exact [lindex $parentlist [expr {$row-1}]] $id] >= 0} {
5677 set arrowlow 0
5678 }
5679 }
5680 set arrow [lindex {none first last both} [expr {$arrowhigh + 2*$arrowlow}]]
5681 for {set y $le} {[incr y -1] > $row} {} {
5682 set x $xp
5683 set xp [lindex $cols [expr {$y - 1 - $row}]]
5684 set ndir [expr {$xp - $x}]
5685 if {$dir != $ndir || $xp < 0} {
5686 lappend coords [xc $y $x] [yc $y]
5687 }
5688 set dir $ndir
5689 }
5690 if {!$joinlow} {
5691 if {$xp < 0} {
5692 # join parent line to first child
5693 set ch [lindex $displayorder $row]
5694 set xc [lsearch -exact [lindex $rowidlist $row] $ch]
5695 if {$xc < 0} {
5696 puts "oops: drawlineseg: child $ch not on row $row"
5697 } elseif {$xc != $x} {
5698 if {($arrowhigh && $le == $row + 1) || $dir == 0} {
5699 set d [expr {int(0.5 * $linespc)}]
5700 set x1 [xc $row $x]
5701 if {$xc < $x} {
5702 set x2 [expr {$x1 - $d}]
5703 } else {
5704 set x2 [expr {$x1 + $d}]
5705 }
5706 set y2 [yc $row]
5707 set y1 [expr {$y2 + $d}]
5708 lappend coords $x1 $y1 $x2 $y2
5709 } elseif {$xc < $x - 1} {
5710 lappend coords [xc $row [expr {$x-1}]] [yc $row]
5711 } elseif {$xc > $x + 1} {
5712 lappend coords [xc $row [expr {$x+1}]] [yc $row]
5713 }
5714 set x $xc
5715 }
5716 lappend coords [xc $row $x] [yc $row]
5717 } else {
5718 set xn [xc $row $xp]
5719 set yn [yc $row]
5720 lappend coords $xn $yn
5721 }
5722 if {!$joinhigh} {
5723 assigncolor $id
5724 set t [$canv create line $coords -width [linewidth $id] \
5725 -fill $colormap($id) -tags lines.$id -arrow $arrow]
5726 $canv lower $t
5727 bindline $t $id
5728 set lines [linsert $lines $i [list $row $le $t]]
5729 } else {
5730 $canv coords $ith $coords
5731 if {$arrow ne $ah} {
5732 $canv itemconf $ith -arrow $arrow
5733 }
5734 lset lines $i 0 $row
5735 }
5736 } else {
5737 set xo [lsearch -exact [lindex $rowidlist [expr {$row - 1}]] $id]
5738 set ndir [expr {$xo - $xp}]
5739 set clow [$canv coords $itl]
5740 if {$dir == $ndir} {
5741 set clow [lrange $clow 2 end]
5742 }
5743 set coords [concat $coords $clow]
5744 if {!$joinhigh} {
5745 lset lines [expr {$i-1}] 1 $le
5746 } else {
5747 # coalesce two pieces
5748 $canv delete $ith
5749 set b [lindex $lines [expr {$i-1}] 0]
5750 set e [lindex $lines $i 1]
5751 set lines [lreplace $lines [expr {$i-1}] $i [list $b $e $itl]]
5752 }
5753 $canv coords $itl $coords
5754 if {$arrow ne $al} {
5755 $canv itemconf $itl -arrow $arrow
5756 }
5757 }
5758
5759 set linesegs($id) $lines
5760 return $le
5761}
5762
5763proc drawparentlinks {id row} {
5764 global rowidlist canv colormap curview parentlist
5765 global idpos linespc
5766
5767 set rowids [lindex $rowidlist $row]
5768 set col [lsearch -exact $rowids $id]
5769 if {$col < 0} return
5770 set olds [lindex $parentlist $row]
5771 set row2 [expr {$row + 1}]
5772 set x [xc $row $col]
5773 set y [yc $row]
5774 set y2 [yc $row2]
5775 set d [expr {int(0.5 * $linespc)}]
5776 set ymid [expr {$y + $d}]
5777 set ids [lindex $rowidlist $row2]
5778 # rmx = right-most X coord used
5779 set rmx 0
5780 foreach p $olds {
5781 set i [lsearch -exact $ids $p]
5782 if {$i < 0} {
5783 puts "oops, parent $p of $id not in list"
5784 continue
5785 }
5786 set x2 [xc $row2 $i]
5787 if {$x2 > $rmx} {
5788 set rmx $x2
5789 }
5790 set j [lsearch -exact $rowids $p]
5791 if {$j < 0} {
5792 # drawlineseg will do this one for us
5793 continue
5794 }
5795 assigncolor $p
5796 # should handle duplicated parents here...
5797 set coords [list $x $y]
5798 if {$i != $col} {
5799 # if attaching to a vertical segment, draw a smaller
5800 # slant for visual distinctness
5801 if {$i == $j} {
5802 if {$i < $col} {
5803 lappend coords [expr {$x2 + $d}] $y $x2 $ymid
5804 } else {
5805 lappend coords [expr {$x2 - $d}] $y $x2 $ymid
5806 }
5807 } elseif {$i < $col && $i < $j} {
5808 # segment slants towards us already
5809 lappend coords [xc $row $j] $y
5810 } else {
5811 if {$i < $col - 1} {
5812 lappend coords [expr {$x2 + $linespc}] $y
5813 } elseif {$i > $col + 1} {
5814 lappend coords [expr {$x2 - $linespc}] $y
5815 }
5816 lappend coords $x2 $y2
5817 }
5818 } else {
5819 lappend coords $x2 $y2
5820 }
5821 set t [$canv create line $coords -width [linewidth $p] \
5822 -fill $colormap($p) -tags lines.$p]
5823 $canv lower $t
5824 bindline $t $p
5825 }
5826 if {$rmx > [lindex $idpos($id) 1]} {
5827 lset idpos($id) 1 $rmx
5828 redrawtags $id
5829 }
5830}
5831
5832proc drawlines {id} {
5833 global canv
5834
5835 $canv itemconf lines.$id -width [linewidth $id]
5836}
5837
5838proc drawcmittext {id row col} {
5839 global linespc canv canv2 canv3 fgcolor curview
5840 global cmitlisted commitinfo rowidlist parentlist
5841 global rowtextx idpos idtags idheads idotherrefs
5842 global linehtag linentag linedtag selectedline
5843 global canvxmax boldids boldnameids fgcolor markedid
5844 global mainheadid nullid nullid2 circleitem circlecolors ctxbut
5845
5846 # listed is 0 for boundary, 1 for normal, 2 for negative, 3 for left, 4 for right
5847 set listed $cmitlisted($curview,$id)
5848 if {$id eq $nullid} {
5849 set ofill red
5850 } elseif {$id eq $nullid2} {
5851 set ofill green
5852 } elseif {$id eq $mainheadid} {
5853 set ofill yellow
5854 } else {
5855 set ofill [lindex $circlecolors $listed]
5856 }
5857 set x [xc $row $col]
5858 set y [yc $row]
5859 set orad [expr {$linespc / 3}]
5860 if {$listed <= 2} {
5861 set t [$canv create oval [expr {$x - $orad}] [expr {$y - $orad}] \
5862 [expr {$x + $orad - 1}] [expr {$y + $orad - 1}] \
5863 -fill $ofill -outline $fgcolor -width 1 -tags circle]
5864 } elseif {$listed == 3} {
5865 # triangle pointing left for left-side commits
5866 set t [$canv create polygon \
5867 [expr {$x - $orad}] $y \
5868 [expr {$x + $orad - 1}] [expr {$y - $orad}] \
5869 [expr {$x + $orad - 1}] [expr {$y + $orad - 1}] \
5870 -fill $ofill -outline $fgcolor -width 1 -tags circle]
5871 } else {
5872 # triangle pointing right for right-side commits
5873 set t [$canv create polygon \
5874 [expr {$x + $orad - 1}] $y \
5875 [expr {$x - $orad}] [expr {$y - $orad}] \
5876 [expr {$x - $orad}] [expr {$y + $orad - 1}] \
5877 -fill $ofill -outline $fgcolor -width 1 -tags circle]
5878 }
5879 set circleitem($row) $t
5880 $canv raise $t
5881 $canv bind $t <1> {selcanvline {} %x %y}
5882 set rmx [llength [lindex $rowidlist $row]]
5883 set olds [lindex $parentlist $row]
5884 if {$olds ne {}} {
5885 set nextids [lindex $rowidlist [expr {$row + 1}]]
5886 foreach p $olds {
5887 set i [lsearch -exact $nextids $p]
5888 if {$i > $rmx} {
5889 set rmx $i
5890 }
5891 }
5892 }
5893 set xt [xc $row $rmx]
5894 set rowtextx($row) $xt
5895 set idpos($id) [list $x $xt $y]
5896 if {[info exists idtags($id)] || [info exists idheads($id)]
5897 || [info exists idotherrefs($id)]} {
5898 set xt [drawtags $id $x $xt $y]
5899 }
5900 if {[lindex $commitinfo($id) 6] > 0} {
5901 set xt [drawnotesign $xt $y]
5902 }
5903 set headline [lindex $commitinfo($id) 0]
5904 set name [lindex $commitinfo($id) 1]
5905 set date [lindex $commitinfo($id) 2]
5906 set date [formatdate $date]
5907 set font mainfont
5908 set nfont mainfont
5909 set isbold [ishighlighted $id]
5910 if {$isbold > 0} {
5911 lappend boldids $id
5912 set font mainfontbold
5913 if {$isbold > 1} {
5914 lappend boldnameids $id
5915 set nfont mainfontbold
5916 }
5917 }
5918 set linehtag($id) [$canv create text $xt $y -anchor w -fill $fgcolor \
5919 -text $headline -font $font -tags text]
5920 $canv bind $linehtag($id) $ctxbut "rowmenu %X %Y $id"
5921 set linentag($id) [$canv2 create text 3 $y -anchor w -fill $fgcolor \
5922 -text $name -font $nfont -tags text]
5923 set linedtag($id) [$canv3 create text 3 $y -anchor w -fill $fgcolor \
5924 -text $date -font mainfont -tags text]
5925 if {$selectedline == $row} {
5926 make_secsel $id
5927 }
5928 if {[info exists markedid] && $markedid eq $id} {
5929 make_idmark $id
5930 }
5931 set xr [expr {$xt + [font measure $font $headline]}]
5932 if {$xr > $canvxmax} {
5933 set canvxmax $xr
5934 setcanvscroll
5935 }
5936}
5937
5938proc drawcmitrow {row} {
5939 global displayorder rowidlist nrows_drawn
5940 global iddrawn markingmatches
5941 global commitinfo numcommits
5942 global filehighlight fhighlights findpattern nhighlights
5943 global hlview vhighlights
5944 global highlight_related rhighlights
5945
5946 if {$row >= $numcommits} return
5947
5948 set id [lindex $displayorder $row]
5949 if {[info exists hlview] && ![info exists vhighlights($id)]} {
5950 askvhighlight $row $id
5951 }
5952 if {[info exists filehighlight] && ![info exists fhighlights($id)]} {
5953 askfilehighlight $row $id
5954 }
5955 if {$findpattern ne {} && ![info exists nhighlights($id)]} {
5956 askfindhighlight $row $id
5957 }
5958 if {$highlight_related ne [mc "None"] && ![info exists rhighlights($id)]} {
5959 askrelhighlight $row $id
5960 }
5961 if {![info exists iddrawn($id)]} {
5962 set col [lsearch -exact [lindex $rowidlist $row] $id]
5963 if {$col < 0} {
5964 puts "oops, row $row id $id not in list"
5965 return
5966 }
5967 if {![info exists commitinfo($id)]} {
5968 getcommit $id
5969 }
5970 assigncolor $id
5971 drawcmittext $id $row $col
5972 set iddrawn($id) 1
5973 incr nrows_drawn
5974 }
5975 if {$markingmatches} {
5976 markrowmatches $row $id
5977 }
5978}
5979
5980proc drawcommits {row {endrow {}}} {
5981 global numcommits iddrawn displayorder curview need_redisplay
5982 global parentlist rowidlist rowfinal uparrowlen downarrowlen nrows_drawn
5983
5984 if {$row < 0} {
5985 set row 0
5986 }
5987 if {$endrow eq {}} {
5988 set endrow $row
5989 }
5990 if {$endrow >= $numcommits} {
5991 set endrow [expr {$numcommits - 1}]
5992 }
5993
5994 set rl1 [expr {$row - $downarrowlen - 3}]
5995 if {$rl1 < 0} {
5996 set rl1 0
5997 }
5998 set ro1 [expr {$row - 3}]
5999 if {$ro1 < 0} {
6000 set ro1 0
6001 }
6002 set r2 [expr {$endrow + $uparrowlen + 3}]
6003 if {$r2 > $numcommits} {
6004 set r2 $numcommits
6005 }
6006 for {set r $rl1} {$r < $r2} {incr r} {
6007 if {[lindex $rowidlist $r] ne {} && [lindex $rowfinal $r]} {
6008 if {$rl1 < $r} {
6009 layoutrows $rl1 $r
6010 }
6011 set rl1 [expr {$r + 1}]
6012 }
6013 }
6014 if {$rl1 < $r} {
6015 layoutrows $rl1 $r
6016 }
6017 optimize_rows $ro1 0 $r2
6018 if {$need_redisplay || $nrows_drawn > 2000} {
6019 clear_display
6020 }
6021
6022 # make the lines join to already-drawn rows either side
6023 set r [expr {$row - 1}]
6024 if {$r < 0 || ![info exists iddrawn([lindex $displayorder $r])]} {
6025 set r $row
6026 }
6027 set er [expr {$endrow + 1}]
6028 if {$er >= $numcommits ||
6029 ![info exists iddrawn([lindex $displayorder $er])]} {
6030 set er $endrow
6031 }
6032 for {} {$r <= $er} {incr r} {
6033 set id [lindex $displayorder $r]
6034 set wasdrawn [info exists iddrawn($id)]
6035 drawcmitrow $r
6036 if {$r == $er} break
6037 set nextid [lindex $displayorder [expr {$r + 1}]]
6038 if {$wasdrawn && [info exists iddrawn($nextid)]} continue
6039 drawparentlinks $id $r
6040
6041 set rowids [lindex $rowidlist $r]
6042 foreach lid $rowids {
6043 if {$lid eq {}} continue
6044 if {[info exists lineend($lid)] && $lineend($lid) > $r} continue
6045 if {$lid eq $id} {
6046 # see if this is the first child of any of its parents
6047 foreach p [lindex $parentlist $r] {
6048 if {[lsearch -exact $rowids $p] < 0} {
6049 # make this line extend up to the child
6050 set lineend($p) [drawlineseg $p $r $er 0]
6051 }
6052 }
6053 } else {
6054 set lineend($lid) [drawlineseg $lid $r $er 1]
6055 }
6056 }
6057 }
6058}
6059
6060proc undolayout {row} {
6061 global uparrowlen mingaplen downarrowlen
6062 global rowidlist rowisopt rowfinal need_redisplay
6063
6064 set r [expr {$row - ($uparrowlen + $mingaplen + $downarrowlen)}]
6065 if {$r < 0} {
6066 set r 0
6067 }
6068 if {[llength $rowidlist] > $r} {
6069 incr r -1
6070 set rowidlist [lrange $rowidlist 0 $r]
6071 set rowfinal [lrange $rowfinal 0 $r]
6072 set rowisopt [lrange $rowisopt 0 $r]
6073 set need_redisplay 1
6074 run drawvisible
6075 }
6076}
6077
6078proc drawvisible {} {
6079 global canv linespc curview vrowmod selectedline targetrow targetid
6080 global need_redisplay cscroll numcommits
6081
6082 set fs [$canv yview]
6083 set ymax [lindex [$canv cget -scrollregion] 3]
6084 if {$ymax eq {} || $ymax == 0 || $numcommits == 0} return
6085 set f0 [lindex $fs 0]
6086 set f1 [lindex $fs 1]
6087 set y0 [expr {int($f0 * $ymax)}]
6088 set y1 [expr {int($f1 * $ymax)}]
6089
6090 if {[info exists targetid]} {
6091 if {[commitinview $targetid $curview]} {
6092 set r [rowofcommit $targetid]
6093 if {$r != $targetrow} {
6094 # Fix up the scrollregion and change the scrolling position
6095 # now that our target row has moved.
6096 set diff [expr {($r - $targetrow) * $linespc}]
6097 set targetrow $r
6098 setcanvscroll
6099 set ymax [lindex [$canv cget -scrollregion] 3]
6100 incr y0 $diff
6101 incr y1 $diff
6102 set f0 [expr {$y0 / $ymax}]
6103 set f1 [expr {$y1 / $ymax}]
6104 allcanvs yview moveto $f0
6105 $cscroll set $f0 $f1
6106 set need_redisplay 1
6107 }
6108 } else {
6109 unset targetid
6110 }
6111 }
6112
6113 set row [expr {int(($y0 - 3) / $linespc) - 1}]
6114 set endrow [expr {int(($y1 - 3) / $linespc) + 1}]
6115 if {$endrow >= $vrowmod($curview)} {
6116 update_arcrows $curview
6117 }
6118 if {$selectedline ne {} &&
6119 $row <= $selectedline && $selectedline <= $endrow} {
6120 set targetrow $selectedline
6121 } elseif {[info exists targetid]} {
6122 set targetrow [expr {int(($row + $endrow) / 2)}]
6123 }
6124 if {[info exists targetrow]} {
6125 if {$targetrow >= $numcommits} {
6126 set targetrow [expr {$numcommits - 1}]
6127 }
6128 set targetid [commitonrow $targetrow]
6129 }
6130 drawcommits $row $endrow
6131}
6132
6133proc clear_display {} {
6134 global iddrawn linesegs need_redisplay nrows_drawn
6135 global vhighlights fhighlights nhighlights rhighlights
6136 global linehtag linentag linedtag boldids boldnameids
6137
6138 allcanvs delete all
6139 catch {unset iddrawn}
6140 catch {unset linesegs}
6141 catch {unset linehtag}
6142 catch {unset linentag}
6143 catch {unset linedtag}
6144 set boldids {}
6145 set boldnameids {}
6146 catch {unset vhighlights}
6147 catch {unset fhighlights}
6148 catch {unset nhighlights}
6149 catch {unset rhighlights}
6150 set need_redisplay 0
6151 set nrows_drawn 0
6152}
6153
6154proc findcrossings {id} {
6155 global rowidlist parentlist numcommits displayorder
6156
6157 set cross {}
6158 set ccross {}
6159 foreach {s e} [rowranges $id] {
6160 if {$e >= $numcommits} {
6161 set e [expr {$numcommits - 1}]
6162 }
6163 if {$e <= $s} continue
6164 for {set row $e} {[incr row -1] >= $s} {} {
6165 set x [lsearch -exact [lindex $rowidlist $row] $id]
6166 if {$x < 0} break
6167 set olds [lindex $parentlist $row]
6168 set kid [lindex $displayorder $row]
6169 set kidx [lsearch -exact [lindex $rowidlist $row] $kid]
6170 if {$kidx < 0} continue
6171 set nextrow [lindex $rowidlist [expr {$row + 1}]]
6172 foreach p $olds {
6173 set px [lsearch -exact $nextrow $p]
6174 if {$px < 0} continue
6175 if {($kidx < $x && $x < $px) || ($px < $x && $x < $kidx)} {
6176 if {[lsearch -exact $ccross $p] >= 0} continue
6177 if {$x == $px + ($kidx < $px? -1: 1)} {
6178 lappend ccross $p
6179 } elseif {[lsearch -exact $cross $p] < 0} {
6180 lappend cross $p
6181 }
6182 }
6183 }
6184 }
6185 }
6186 return [concat $ccross {{}} $cross]
6187}
6188
6189proc assigncolor {id} {
6190 global colormap colors nextcolor
6191 global parents children children curview
6192
6193 if {[info exists colormap($id)]} return
6194 set ncolors [llength $colors]
6195 if {[info exists children($curview,$id)]} {
6196 set kids $children($curview,$id)
6197 } else {
6198 set kids {}
6199 }
6200 if {[llength $kids] == 1} {
6201 set child [lindex $kids 0]
6202 if {[info exists colormap($child)]
6203 && [llength $parents($curview,$child)] == 1} {
6204 set colormap($id) $colormap($child)
6205 return
6206 }
6207 }
6208 set badcolors {}
6209 set origbad {}
6210 foreach x [findcrossings $id] {
6211 if {$x eq {}} {
6212 # delimiter between corner crossings and other crossings
6213 if {[llength $badcolors] >= $ncolors - 1} break
6214 set origbad $badcolors
6215 }
6216 if {[info exists colormap($x)]
6217 && [lsearch -exact $badcolors $colormap($x)] < 0} {
6218 lappend badcolors $colormap($x)
6219 }
6220 }
6221 if {[llength $badcolors] >= $ncolors} {
6222 set badcolors $origbad
6223 }
6224 set origbad $badcolors
6225 if {[llength $badcolors] < $ncolors - 1} {
6226 foreach child $kids {
6227 if {[info exists colormap($child)]
6228 && [lsearch -exact $badcolors $colormap($child)] < 0} {
6229 lappend badcolors $colormap($child)
6230 }
6231 foreach p $parents($curview,$child) {
6232 if {[info exists colormap($p)]
6233 && [lsearch -exact $badcolors $colormap($p)] < 0} {
6234 lappend badcolors $colormap($p)
6235 }
6236 }
6237 }
6238 if {[llength $badcolors] >= $ncolors} {
6239 set badcolors $origbad
6240 }
6241 }
6242 for {set i 0} {$i <= $ncolors} {incr i} {
6243 set c [lindex $colors $nextcolor]
6244 if {[incr nextcolor] >= $ncolors} {
6245 set nextcolor 0
6246 }
6247 if {[lsearch -exact $badcolors $c]} break
6248 }
6249 set colormap($id) $c
6250}
6251
6252proc bindline {t id} {
6253 global canv
6254
6255 $canv bind $t <Enter> "lineenter %x %y $id"
6256 $canv bind $t <Motion> "linemotion %x %y $id"
6257 $canv bind $t <Leave> "lineleave $id"
6258 $canv bind $t <Button-1> "lineclick %x %y $id 1"
6259}
6260
6261proc drawtags {id x xt y1} {
6262 global idtags idheads idotherrefs mainhead
6263 global linespc lthickness
6264 global canv rowtextx curview fgcolor bgcolor ctxbut
6265
6266 set marks {}
6267 set ntags 0
6268 set nheads 0
6269 if {[info exists idtags($id)]} {
6270 set marks $idtags($id)
6271 set ntags [llength $marks]
6272 }
6273 if {[info exists idheads($id)]} {
6274 set marks [concat $marks $idheads($id)]
6275 set nheads [llength $idheads($id)]
6276 }
6277 if {[info exists idotherrefs($id)]} {
6278 set marks [concat $marks $idotherrefs($id)]
6279 }
6280 if {$marks eq {}} {
6281 return $xt
6282 }
6283
6284 set delta [expr {int(0.5 * ($linespc - $lthickness))}]
6285 set yt [expr {$y1 - 0.5 * $linespc}]
6286 set yb [expr {$yt + $linespc - 1}]
6287 set xvals {}
6288 set wvals {}
6289 set i -1
6290 foreach tag $marks {
6291 incr i
6292 if {$i >= $ntags && $i < $ntags + $nheads && $tag eq $mainhead} {
6293 set wid [font measure mainfontbold $tag]
6294 } else {
6295 set wid [font measure mainfont $tag]
6296 }
6297 lappend xvals $xt
6298 lappend wvals $wid
6299 set xt [expr {$xt + $delta + $wid + $lthickness + $linespc}]
6300 }
6301 set t [$canv create line $x $y1 [lindex $xvals end] $y1 \
6302 -width $lthickness -fill black -tags tag.$id]
6303 $canv lower $t
6304 foreach tag $marks x $xvals wid $wvals {
6305 set tag_quoted [string map {% %%} $tag]
6306 set xl [expr {$x + $delta}]
6307 set xr [expr {$x + $delta + $wid + $lthickness}]
6308 set font mainfont
6309 if {[incr ntags -1] >= 0} {
6310 # draw a tag
6311 set t [$canv create polygon $x [expr {$yt + $delta}] $xl $yt \
6312 $xr $yt $xr $yb $xl $yb $x [expr {$yb - $delta}] \
6313 -width 1 -outline black -fill yellow -tags tag.$id]
6314 $canv bind $t <1> [list showtag $tag_quoted 1]
6315 set rowtextx([rowofcommit $id]) [expr {$xr + $linespc}]
6316 } else {
6317 # draw a head or other ref
6318 if {[incr nheads -1] >= 0} {
6319 set col green
6320 if {$tag eq $mainhead} {
6321 set font mainfontbold
6322 }
6323 } else {
6324 set col "#ddddff"
6325 }
6326 set xl [expr {$xl - $delta/2}]
6327 $canv create polygon $x $yt $xr $yt $xr $yb $x $yb \
6328 -width 1 -outline black -fill $col -tags tag.$id
6329 if {[regexp {^(remotes/.*/|remotes/)} $tag match remoteprefix]} {
6330 set rwid [font measure mainfont $remoteprefix]
6331 set xi [expr {$x + 1}]
6332 set yti [expr {$yt + 1}]
6333 set xri [expr {$x + $rwid}]
6334 $canv create polygon $xi $yti $xri $yti $xri $yb $xi $yb \
6335 -width 0 -fill "#ffddaa" -tags tag.$id
6336 }
6337 }
6338 set t [$canv create text $xl $y1 -anchor w -text $tag -fill $fgcolor \
6339 -font $font -tags [list tag.$id text]]
6340 if {$ntags >= 0} {
6341 $canv bind $t <1> [list showtag $tag_quoted 1]
6342 } elseif {$nheads >= 0} {
6343 $canv bind $t $ctxbut [list headmenu %X %Y $id $tag_quoted]
6344 }
6345 }
6346 return $xt
6347}
6348
6349proc drawnotesign {xt y} {
6350 global linespc canv fgcolor
6351
6352 set orad [expr {$linespc / 3}]
6353 set t [$canv create rectangle [expr {$xt - $orad}] [expr {$y - $orad}] \
6354 [expr {$xt + $orad - 1}] [expr {$y + $orad - 1}] \
6355 -fill yellow -outline $fgcolor -width 1 -tags circle]
6356 set xt [expr {$xt + $orad * 3}]
6357 return $xt
6358}
6359
6360proc xcoord {i level ln} {
6361 global canvx0 xspc1 xspc2
6362
6363 set x [expr {$canvx0 + $i * $xspc1($ln)}]
6364 if {$i > 0 && $i == $level} {
6365 set x [expr {$x + 0.5 * ($xspc2 - $xspc1($ln))}]
6366 } elseif {$i > $level} {
6367 set x [expr {$x + $xspc2 - $xspc1($ln)}]
6368 }
6369 return $x
6370}
6371
6372proc show_status {msg} {
6373 global canv fgcolor
6374
6375 clear_display
6376 $canv create text 3 3 -anchor nw -text $msg -font mainfont \
6377 -tags text -fill $fgcolor
6378}
6379
6380# Don't change the text pane cursor if it is currently the hand cursor,
6381# showing that we are over a sha1 ID link.
6382proc settextcursor {c} {
6383 global ctext curtextcursor
6384
6385 if {[$ctext cget -cursor] == $curtextcursor} {
6386 $ctext config -cursor $c
6387 }
6388 set curtextcursor $c
6389}
6390
6391proc nowbusy {what {name {}}} {
6392 global isbusy busyname statusw
6393
6394 if {[array names isbusy] eq {}} {
6395 . config -cursor watch
6396 settextcursor watch
6397 }
6398 set isbusy($what) 1
6399 set busyname($what) $name
6400 if {$name ne {}} {
6401 $statusw conf -text $name
6402 }
6403}
6404
6405proc notbusy {what} {
6406 global isbusy maincursor textcursor busyname statusw
6407
6408 catch {
6409 unset isbusy($what)
6410 if {$busyname($what) ne {} &&
6411 [$statusw cget -text] eq $busyname($what)} {
6412 $statusw conf -text {}
6413 }
6414 }
6415 if {[array names isbusy] eq {}} {
6416 . config -cursor $maincursor
6417 settextcursor $textcursor
6418 }
6419}
6420
6421proc findmatches {f} {
6422 global findtype findstring
6423 if {$findtype == [mc "Regexp"]} {
6424 set matches [regexp -indices -all -inline $findstring $f]
6425 } else {
6426 set fs $findstring
6427 if {$findtype == [mc "IgnCase"]} {
6428 set f [string tolower $f]
6429 set fs [string tolower $fs]
6430 }
6431 set matches {}
6432 set i 0
6433 set l [string length $fs]
6434 while {[set j [string first $fs $f $i]] >= 0} {
6435 lappend matches [list $j [expr {$j+$l-1}]]
6436 set i [expr {$j + $l}]
6437 }
6438 }
6439 return $matches
6440}
6441
6442proc dofind {{dirn 1} {wrap 1}} {
6443 global findstring findstartline findcurline selectedline numcommits
6444 global gdttype filehighlight fh_serial find_dirn findallowwrap
6445
6446 if {[info exists find_dirn]} {
6447 if {$find_dirn == $dirn} return
6448 stopfinding
6449 }
6450 focus .
6451 if {$findstring eq {} || $numcommits == 0} return
6452 if {$selectedline eq {}} {
6453 set findstartline [lindex [visiblerows] [expr {$dirn < 0}]]
6454 } else {
6455 set findstartline $selectedline
6456 }
6457 set findcurline $findstartline
6458 nowbusy finding [mc "Searching"]
6459 if {$gdttype ne [mc "containing:"] && ![info exists filehighlight]} {
6460 after cancel do_file_hl $fh_serial
6461 do_file_hl $fh_serial
6462 }
6463 set find_dirn $dirn
6464 set findallowwrap $wrap
6465 run findmore
6466}
6467
6468proc stopfinding {} {
6469 global find_dirn findcurline fprogcoord
6470
6471 if {[info exists find_dirn]} {
6472 unset find_dirn
6473 unset findcurline
6474 notbusy finding
6475 set fprogcoord 0
6476 adjustprogress
6477 }
6478 stopblaming
6479}
6480
6481proc findmore {} {
6482 global commitdata commitinfo numcommits findpattern findloc
6483 global findstartline findcurline findallowwrap
6484 global find_dirn gdttype fhighlights fprogcoord
6485 global curview varcorder vrownum varccommits vrowmod
6486
6487 if {![info exists find_dirn]} {
6488 return 0
6489 }
6490 set fldtypes [list [mc "Headline"] [mc "Author"] [mc "Date"] [mc "Committer"] [mc "CDate"] [mc "Comments"]]
6491 set l $findcurline
6492 set moretodo 0
6493 if {$find_dirn > 0} {
6494 incr l
6495 if {$l >= $numcommits} {
6496 set l 0
6497 }
6498 if {$l <= $findstartline} {
6499 set lim [expr {$findstartline + 1}]
6500 } else {
6501 set lim $numcommits
6502 set moretodo $findallowwrap
6503 }
6504 } else {
6505 if {$l == 0} {
6506 set l $numcommits
6507 }
6508 incr l -1
6509 if {$l >= $findstartline} {
6510 set lim [expr {$findstartline - 1}]
6511 } else {
6512 set lim -1
6513 set moretodo $findallowwrap
6514 }
6515 }
6516 set n [expr {($lim - $l) * $find_dirn}]
6517 if {$n > 500} {
6518 set n 500
6519 set moretodo 1
6520 }
6521 if {$l + ($find_dirn > 0? $n: 1) > $vrowmod($curview)} {
6522 update_arcrows $curview
6523 }
6524 set found 0
6525 set domore 1
6526 set ai [bsearch $vrownum($curview) $l]
6527 set a [lindex $varcorder($curview) $ai]
6528 set arow [lindex $vrownum($curview) $ai]
6529 set ids [lindex $varccommits($curview,$a)]
6530 set arowend [expr {$arow + [llength $ids]}]
6531 if {$gdttype eq [mc "containing:"]} {
6532 for {} {$n > 0} {incr n -1; incr l $find_dirn} {
6533 if {$l < $arow || $l >= $arowend} {
6534 incr ai $find_dirn
6535 set a [lindex $varcorder($curview) $ai]
6536 set arow [lindex $vrownum($curview) $ai]
6537 set ids [lindex $varccommits($curview,$a)]
6538 set arowend [expr {$arow + [llength $ids]}]
6539 }
6540 set id [lindex $ids [expr {$l - $arow}]]
6541 # shouldn't happen unless git log doesn't give all the commits...
6542 if {![info exists commitdata($id)] ||
6543 ![doesmatch $commitdata($id)]} {
6544 continue
6545 }
6546 if {![info exists commitinfo($id)]} {
6547 getcommit $id
6548 }
6549 set info $commitinfo($id)
6550 foreach f $info ty $fldtypes {
6551 if {($findloc eq [mc "All fields"] || $findloc eq $ty) &&
6552 [doesmatch $f]} {
6553 set found 1
6554 break
6555 }
6556 }
6557 if {$found} break
6558 }
6559 } else {
6560 for {} {$n > 0} {incr n -1; incr l $find_dirn} {
6561 if {$l < $arow || $l >= $arowend} {
6562 incr ai $find_dirn
6563 set a [lindex $varcorder($curview) $ai]
6564 set arow [lindex $vrownum($curview) $ai]
6565 set ids [lindex $varccommits($curview,$a)]
6566 set arowend [expr {$arow + [llength $ids]}]
6567 }
6568 set id [lindex $ids [expr {$l - $arow}]]
6569 if {![info exists fhighlights($id)]} {
6570 # this sets fhighlights($id) to -1
6571 askfilehighlight $l $id
6572 }
6573 if {$fhighlights($id) > 0} {
6574 set found $domore
6575 break
6576 }
6577 if {$fhighlights($id) < 0} {
6578 if {$domore} {
6579 set domore 0
6580 set findcurline [expr {$l - $find_dirn}]
6581 }
6582 }
6583 }
6584 }
6585 if {$found || ($domore && !$moretodo)} {
6586 unset findcurline
6587 unset find_dirn
6588 notbusy finding
6589 set fprogcoord 0
6590 adjustprogress
6591 if {$found} {
6592 findselectline $l
6593 } else {
6594 bell
6595 }
6596 return 0
6597 }
6598 if {!$domore} {
6599 flushhighlights
6600 } else {
6601 set findcurline [expr {$l - $find_dirn}]
6602 }
6603 set n [expr {($findcurline - $findstartline) * $find_dirn - 1}]
6604 if {$n < 0} {
6605 incr n $numcommits
6606 }
6607 set fprogcoord [expr {$n * 1.0 / $numcommits}]
6608 adjustprogress
6609 return $domore
6610}
6611
6612proc findselectline {l} {
6613 global findloc commentend ctext findcurline markingmatches gdttype
6614
6615 set markingmatches [expr {$gdttype eq [mc "containing:"]}]
6616 set findcurline $l
6617 selectline $l 1
6618 if {$markingmatches &&
6619 ($findloc eq [mc "All fields"] || $findloc eq [mc "Comments"])} {
6620 # highlight the matches in the comments
6621 set f [$ctext get 1.0 $commentend]
6622 set matches [findmatches $f]
6623 foreach match $matches {
6624 set start [lindex $match 0]
6625 set end [expr {[lindex $match 1] + 1}]
6626 $ctext tag add found "1.0 + $start c" "1.0 + $end c"
6627 }
6628 }
6629 drawvisible
6630}
6631
6632# mark the bits of a headline or author that match a find string
6633proc markmatches {canv l str tag matches font row} {
6634 global selectedline
6635
6636 set bbox [$canv bbox $tag]
6637 set x0 [lindex $bbox 0]
6638 set y0 [lindex $bbox 1]
6639 set y1 [lindex $bbox 3]
6640 foreach match $matches {
6641 set start [lindex $match 0]
6642 set end [lindex $match 1]
6643 if {$start > $end} continue
6644 set xoff [font measure $font [string range $str 0 [expr {$start-1}]]]
6645 set xlen [font measure $font [string range $str 0 [expr {$end}]]]
6646 set t [$canv create rect [expr {$x0+$xoff}] $y0 \
6647 [expr {$x0+$xlen+2}] $y1 \
6648 -outline {} -tags [list match$l matches] -fill yellow]
6649 $canv lower $t
6650 if {$row == $selectedline} {
6651 $canv raise $t secsel
6652 }
6653 }
6654}
6655
6656proc unmarkmatches {} {
6657 global markingmatches
6658
6659 allcanvs delete matches
6660 set markingmatches 0
6661 stopfinding
6662}
6663
6664proc selcanvline {w x y} {
6665 global canv canvy0 ctext linespc
6666 global rowtextx
6667 set ymax [lindex [$canv cget -scrollregion] 3]
6668 if {$ymax == {}} return
6669 set yfrac [lindex [$canv yview] 0]
6670 set y [expr {$y + $yfrac * $ymax}]
6671 set l [expr {int(($y - $canvy0) / $linespc + 0.5)}]
6672 if {$l < 0} {
6673 set l 0
6674 }
6675 if {$w eq $canv} {
6676 set xmax [lindex [$canv cget -scrollregion] 2]
6677 set xleft [expr {[lindex [$canv xview] 0] * $xmax}]
6678 if {![info exists rowtextx($l)] || $xleft + $x < $rowtextx($l)} return
6679 }
6680 unmarkmatches
6681 selectline $l 1
6682}
6683
6684proc commit_descriptor {p} {
6685 global commitinfo
6686 if {![info exists commitinfo($p)]} {
6687 getcommit $p
6688 }
6689 set l "..."
6690 if {[llength $commitinfo($p)] > 1} {
6691 set l [lindex $commitinfo($p) 0]
6692 }
6693 return "$p ($l)\n"
6694}
6695
6696# append some text to the ctext widget, and make any SHA1 ID
6697# that we know about be a clickable link.
6698proc appendwithlinks {text tags} {
6699 global ctext linknum curview
6700
6701 set start [$ctext index "end - 1c"]
6702 $ctext insert end $text $tags
6703 set links [regexp -indices -all -inline {\m[0-9a-f]{6,40}\M} $text]
6704 foreach l $links {
6705 set s [lindex $l 0]
6706 set e [lindex $l 1]
6707 set linkid [string range $text $s $e]
6708 incr e
6709 $ctext tag delete link$linknum
6710 $ctext tag add link$linknum "$start + $s c" "$start + $e c"
6711 setlink $linkid link$linknum
6712 incr linknum
6713 }
6714}
6715
6716proc setlink {id lk} {
6717 global curview ctext pendinglinks
6718
6719 set known 0
6720 if {[string length $id] < 40} {
6721 set matches [longid $id]
6722 if {[llength $matches] > 0} {
6723 if {[llength $matches] > 1} return
6724 set known 1
6725 set id [lindex $matches 0]
6726 }
6727 } else {
6728 set known [commitinview $id $curview]
6729 }
6730 if {$known} {
6731 $ctext tag conf $lk -foreground blue -underline 1
6732 $ctext tag bind $lk <1> [list selbyid $id]
6733 $ctext tag bind $lk <Enter> {linkcursor %W 1}
6734 $ctext tag bind $lk <Leave> {linkcursor %W -1}
6735 } else {
6736 lappend pendinglinks($id) $lk
6737 interestedin $id {makelink %P}
6738 }
6739}
6740
6741proc appendshortlink {id {pre {}} {post {}}} {
6742 global ctext linknum
6743
6744 $ctext insert end $pre
6745 $ctext tag delete link$linknum
6746 $ctext insert end [string range $id 0 7] link$linknum
6747 $ctext insert end $post
6748 setlink $id link$linknum
6749 incr linknum
6750}
6751
6752proc makelink {id} {
6753 global pendinglinks
6754
6755 if {![info exists pendinglinks($id)]} return
6756 foreach lk $pendinglinks($id) {
6757 setlink $id $lk
6758 }
6759 unset pendinglinks($id)
6760}
6761
6762proc linkcursor {w inc} {
6763 global linkentercount curtextcursor
6764
6765 if {[incr linkentercount $inc] > 0} {
6766 $w configure -cursor hand2
6767 } else {
6768 $w configure -cursor $curtextcursor
6769 if {$linkentercount < 0} {
6770 set linkentercount 0
6771 }
6772 }
6773}
6774
6775proc viewnextline {dir} {
6776 global canv linespc
6777
6778 $canv delete hover
6779 set ymax [lindex [$canv cget -scrollregion] 3]
6780 set wnow [$canv yview]
6781 set wtop [expr {[lindex $wnow 0] * $ymax}]
6782 set newtop [expr {$wtop + $dir * $linespc}]
6783 if {$newtop < 0} {
6784 set newtop 0
6785 } elseif {$newtop > $ymax} {
6786 set newtop $ymax
6787 }
6788 allcanvs yview moveto [expr {$newtop * 1.0 / $ymax}]
6789}
6790
6791# add a list of tag or branch names at position pos
6792# returns the number of names inserted
6793proc appendrefs {pos ids var} {
6794 global ctext linknum curview $var maxrefs
6795
6796 if {[catch {$ctext index $pos}]} {
6797 return 0
6798 }
6799 $ctext conf -state normal
6800 $ctext delete $pos "$pos lineend"
6801 set tags {}
6802 foreach id $ids {
6803 foreach tag [set $var\($id\)] {
6804 lappend tags [list $tag $id]
6805 }
6806 }
6807 if {[llength $tags] > $maxrefs} {
6808 $ctext insert $pos "[mc "many"] ([llength $tags])"
6809 } else {
6810 set tags [lsort -index 0 -decreasing $tags]
6811 set sep {}
6812 foreach ti $tags {
6813 set id [lindex $ti 1]
6814 set lk link$linknum
6815 incr linknum
6816 $ctext tag delete $lk
6817 $ctext insert $pos $sep
6818 $ctext insert $pos [lindex $ti 0] $lk
6819 setlink $id $lk
6820 set sep ", "
6821 }
6822 }
6823 $ctext conf -state disabled
6824 return [llength $tags]
6825}
6826
6827# called when we have finished computing the nearby tags
6828proc dispneartags {delay} {
6829 global selectedline currentid showneartags tagphase
6830
6831 if {$selectedline eq {} || !$showneartags} return
6832 after cancel dispnexttag
6833 if {$delay} {
6834 after 200 dispnexttag
6835 set tagphase -1
6836 } else {
6837 after idle dispnexttag
6838 set tagphase 0
6839 }
6840}
6841
6842proc dispnexttag {} {
6843 global selectedline currentid showneartags tagphase ctext
6844
6845 if {$selectedline eq {} || !$showneartags} return
6846 switch -- $tagphase {
6847 0 {
6848 set dtags [desctags $currentid]
6849 if {$dtags ne {}} {
6850 appendrefs precedes $dtags idtags
6851 }
6852 }
6853 1 {
6854 set atags [anctags $currentid]
6855 if {$atags ne {}} {
6856 appendrefs follows $atags idtags
6857 }
6858 }
6859 2 {
6860 set dheads [descheads $currentid]
6861 if {$dheads ne {}} {
6862 if {[appendrefs branch $dheads idheads] > 1
6863 && [$ctext get "branch -3c"] eq "h"} {
6864 # turn "Branch" into "Branches"
6865 $ctext conf -state normal
6866 $ctext insert "branch -2c" "es"
6867 $ctext conf -state disabled
6868 }
6869 }
6870 }
6871 }
6872 if {[incr tagphase] <= 2} {
6873 after idle dispnexttag
6874 }
6875}
6876
6877proc make_secsel {id} {
6878 global linehtag linentag linedtag canv canv2 canv3
6879
6880 if {![info exists linehtag($id)]} return
6881 $canv delete secsel
6882 set t [eval $canv create rect [$canv bbox $linehtag($id)] -outline {{}} \
6883 -tags secsel -fill [$canv cget -selectbackground]]
6884 $canv lower $t
6885 $canv2 delete secsel
6886 set t [eval $canv2 create rect [$canv2 bbox $linentag($id)] -outline {{}} \
6887 -tags secsel -fill [$canv2 cget -selectbackground]]
6888 $canv2 lower $t
6889 $canv3 delete secsel
6890 set t [eval $canv3 create rect [$canv3 bbox $linedtag($id)] -outline {{}} \
6891 -tags secsel -fill [$canv3 cget -selectbackground]]
6892 $canv3 lower $t
6893}
6894
6895proc make_idmark {id} {
6896 global linehtag canv fgcolor
6897
6898 if {![info exists linehtag($id)]} return
6899 $canv delete markid
6900 set t [eval $canv create rect [$canv bbox $linehtag($id)] \
6901 -tags markid -outline $fgcolor]
6902 $canv raise $t
6903}
6904
6905proc selectline {l isnew {desired_loc {}}} {
6906 global canv ctext commitinfo selectedline
6907 global canvy0 linespc parents children curview
6908 global currentid sha1entry
6909 global commentend idtags linknum
6910 global mergemax numcommits pending_select
6911 global cmitmode showneartags allcommits
6912 global targetrow targetid lastscrollrows
6913 global autoselect autosellen jump_to_here
6914
6915 catch {unset pending_select}
6916 $canv delete hover
6917 normalline
6918 unsel_reflist
6919 stopfinding
6920 if {$l < 0 || $l >= $numcommits} return
6921 set id [commitonrow $l]
6922 set targetid $id
6923 set targetrow $l
6924 set selectedline $l
6925 set currentid $id
6926 if {$lastscrollrows < $numcommits} {
6927 setcanvscroll
6928 }
6929
6930 set y [expr {$canvy0 + $l * $linespc}]
6931 set ymax [lindex [$canv cget -scrollregion] 3]
6932 set ytop [expr {$y - $linespc - 1}]
6933 set ybot [expr {$y + $linespc + 1}]
6934 set wnow [$canv yview]
6935 set wtop [expr {[lindex $wnow 0] * $ymax}]
6936 set wbot [expr {[lindex $wnow 1] * $ymax}]
6937 set wh [expr {$wbot - $wtop}]
6938 set newtop $wtop
6939 if {$ytop < $wtop} {
6940 if {$ybot < $wtop} {
6941 set newtop [expr {$y - $wh / 2.0}]
6942 } else {
6943 set newtop $ytop
6944 if {$newtop > $wtop - $linespc} {
6945 set newtop [expr {$wtop - $linespc}]
6946 }
6947 }
6948 } elseif {$ybot > $wbot} {
6949 if {$ytop > $wbot} {
6950 set newtop [expr {$y - $wh / 2.0}]
6951 } else {
6952 set newtop [expr {$ybot - $wh}]
6953 if {$newtop < $wtop + $linespc} {
6954 set newtop [expr {$wtop + $linespc}]
6955 }
6956 }
6957 }
6958 if {$newtop != $wtop} {
6959 if {$newtop < 0} {
6960 set newtop 0
6961 }
6962 allcanvs yview moveto [expr {$newtop * 1.0 / $ymax}]
6963 drawvisible
6964 }
6965
6966 make_secsel $id
6967
6968 if {$isnew} {
6969 addtohistory [list selbyid $id 0] savecmitpos
6970 }
6971
6972 $sha1entry delete 0 end
6973 $sha1entry insert 0 $id
6974 if {$autoselect} {
6975 $sha1entry selection range 0 $autosellen
6976 }
6977 rhighlight_sel $id
6978
6979 $ctext conf -state normal
6980 clear_ctext
6981 set linknum 0
6982 if {![info exists commitinfo($id)]} {
6983 getcommit $id
6984 }
6985 set info $commitinfo($id)
6986 set date [formatdate [lindex $info 2]]
6987 $ctext insert end "[mc "Author"]: [lindex $info 1] $date\n"
6988 set date [formatdate [lindex $info 4]]
6989 $ctext insert end "[mc "Committer"]: [lindex $info 3] $date\n"
6990 if {[info exists idtags($id)]} {
6991 $ctext insert end [mc "Tags:"]
6992 foreach tag $idtags($id) {
6993 $ctext insert end " $tag"
6994 }
6995 $ctext insert end "\n"
6996 }
6997
6998 set headers {}
6999 set olds $parents($curview,$id)
7000 if {[llength $olds] > 1} {
7001 set np 0
7002 foreach p $olds {
7003 if {$np >= $mergemax} {
7004 set tag mmax
7005 } else {
7006 set tag m$np
7007 }
7008 $ctext insert end "[mc "Parent"]: " $tag
7009 appendwithlinks [commit_descriptor $p] {}
7010 incr np
7011 }
7012 } else {
7013 foreach p $olds {
7014 append headers "[mc "Parent"]: [commit_descriptor $p]"
7015 }
7016 }
7017
7018 foreach c $children($curview,$id) {
7019 append headers "[mc "Child"]: [commit_descriptor $c]"
7020 }
7021
7022 # make anything that looks like a SHA1 ID be a clickable link
7023 appendwithlinks $headers {}
7024 if {$showneartags} {
7025 if {![info exists allcommits]} {
7026 getallcommits
7027 }
7028 $ctext insert end "[mc "Branch"]: "
7029 $ctext mark set branch "end -1c"
7030 $ctext mark gravity branch left
7031 $ctext insert end "\n[mc "Follows"]: "
7032 $ctext mark set follows "end -1c"
7033 $ctext mark gravity follows left
7034 $ctext insert end "\n[mc "Precedes"]: "
7035 $ctext mark set precedes "end -1c"
7036 $ctext mark gravity precedes left
7037 $ctext insert end "\n"
7038 dispneartags 1
7039 }
7040 $ctext insert end "\n"
7041 set comment [lindex $info 5]
7042 if {[string first "\r" $comment] >= 0} {
7043 set comment [string map {"\r" "\n "} $comment]
7044 }
7045 appendwithlinks $comment {comment}
7046
7047 $ctext tag remove found 1.0 end
7048 $ctext conf -state disabled
7049 set commentend [$ctext index "end - 1c"]
7050
7051 set jump_to_here $desired_loc
7052 init_flist [mc "Comments"]
7053 if {$cmitmode eq "tree"} {
7054 gettree $id
7055 } elseif {[llength $olds] <= 1} {
7056 startdiff $id
7057 } else {
7058 mergediff $id
7059 }
7060}
7061
7062proc selfirstline {} {
7063 unmarkmatches
7064 selectline 0 1
7065}
7066
7067proc sellastline {} {
7068 global numcommits
7069 unmarkmatches
7070 set l [expr {$numcommits - 1}]
7071 selectline $l 1
7072}
7073
7074proc selnextline {dir} {
7075 global selectedline
7076 focus .
7077 if {$selectedline eq {}} return
7078 set l [expr {$selectedline + $dir}]
7079 unmarkmatches
7080 selectline $l 1
7081}
7082
7083proc selnextpage {dir} {
7084 global canv linespc selectedline numcommits
7085
7086 set lpp [expr {([winfo height $canv] - 2) / $linespc}]
7087 if {$lpp < 1} {
7088 set lpp 1
7089 }
7090 allcanvs yview scroll [expr {$dir * $lpp}] units
7091 drawvisible
7092 if {$selectedline eq {}} return
7093 set l [expr {$selectedline + $dir * $lpp}]
7094 if {$l < 0} {
7095 set l 0
7096 } elseif {$l >= $numcommits} {
7097 set l [expr $numcommits - 1]
7098 }
7099 unmarkmatches
7100 selectline $l 1
7101}
7102
7103proc unselectline {} {
7104 global selectedline currentid
7105
7106 set selectedline {}
7107 catch {unset currentid}
7108 allcanvs delete secsel
7109 rhighlight_none
7110}
7111
7112proc reselectline {} {
7113 global selectedline
7114
7115 if {$selectedline ne {}} {
7116 selectline $selectedline 0
7117 }
7118}
7119
7120proc addtohistory {cmd {saveproc {}}} {
7121 global history historyindex curview
7122
7123 unset_posvars
7124 save_position
7125 set elt [list $curview $cmd $saveproc {}]
7126 if {$historyindex > 0
7127 && [lindex $history [expr {$historyindex - 1}]] == $elt} {
7128 return
7129 }
7130
7131 if {$historyindex < [llength $history]} {
7132 set history [lreplace $history $historyindex end $elt]
7133 } else {
7134 lappend history $elt
7135 }
7136 incr historyindex
7137 if {$historyindex > 1} {
7138 .tf.bar.leftbut conf -state normal
7139 } else {
7140 .tf.bar.leftbut conf -state disabled
7141 }
7142 .tf.bar.rightbut conf -state disabled
7143}
7144
7145# save the scrolling position of the diff display pane
7146proc save_position {} {
7147 global historyindex history
7148
7149 if {$historyindex < 1} return
7150 set hi [expr {$historyindex - 1}]
7151 set fn [lindex $history $hi 2]
7152 if {$fn ne {}} {
7153 lset history $hi 3 [eval $fn]
7154 }
7155}
7156
7157proc unset_posvars {} {
7158 global last_posvars
7159
7160 if {[info exists last_posvars]} {
7161 foreach {var val} $last_posvars {
7162 global $var
7163 catch {unset $var}
7164 }
7165 unset last_posvars
7166 }
7167}
7168
7169proc godo {elt} {
7170 global curview last_posvars
7171
7172 set view [lindex $elt 0]
7173 set cmd [lindex $elt 1]
7174 set pv [lindex $elt 3]
7175 if {$curview != $view} {
7176 showview $view
7177 }
7178 unset_posvars
7179 foreach {var val} $pv {
7180 global $var
7181 set $var $val
7182 }
7183 set last_posvars $pv
7184 eval $cmd
7185}
7186
7187proc goback {} {
7188 global history historyindex
7189 focus .
7190
7191 if {$historyindex > 1} {
7192 save_position
7193 incr historyindex -1
7194 godo [lindex $history [expr {$historyindex - 1}]]
7195 .tf.bar.rightbut conf -state normal
7196 }
7197 if {$historyindex <= 1} {
7198 .tf.bar.leftbut conf -state disabled
7199 }
7200}
7201
7202proc goforw {} {
7203 global history historyindex
7204 focus .
7205
7206 if {$historyindex < [llength $history]} {
7207 save_position
7208 set cmd [lindex $history $historyindex]
7209 incr historyindex
7210 godo $cmd
7211 .tf.bar.leftbut conf -state normal
7212 }
7213 if {$historyindex >= [llength $history]} {
7214 .tf.bar.rightbut conf -state disabled
7215 }
7216}
7217
7218proc gettree {id} {
7219 global treefilelist treeidlist diffids diffmergeid treepending
7220 global nullid nullid2
7221
7222 set diffids $id
7223 catch {unset diffmergeid}
7224 if {![info exists treefilelist($id)]} {
7225 if {![info exists treepending]} {
7226 if {$id eq $nullid} {
7227 set cmd [list | git ls-files]
7228 } elseif {$id eq $nullid2} {
7229 set cmd [list | git ls-files --stage -t]
7230 } else {
7231 set cmd [list | git ls-tree -r $id]
7232 }
7233 if {[catch {set gtf [open $cmd r]}]} {
7234 return
7235 }
7236 set treepending $id
7237 set treefilelist($id) {}
7238 set treeidlist($id) {}
7239 fconfigure $gtf -blocking 0 -encoding binary
7240 filerun $gtf [list gettreeline $gtf $id]
7241 }
7242 } else {
7243 setfilelist $id
7244 }
7245}
7246
7247proc gettreeline {gtf id} {
7248 global treefilelist treeidlist treepending cmitmode diffids nullid nullid2
7249
7250 set nl 0
7251 while {[incr nl] <= 1000 && [gets $gtf line] >= 0} {
7252 if {$diffids eq $nullid} {
7253 set fname $line
7254 } else {
7255 set i [string first "\t" $line]
7256 if {$i < 0} continue
7257 set fname [string range $line [expr {$i+1}] end]
7258 set line [string range $line 0 [expr {$i-1}]]
7259 if {$diffids ne $nullid2 && [lindex $line 1] ne "blob"} continue
7260 set sha1 [lindex $line 2]
7261 lappend treeidlist($id) $sha1
7262 }
7263 if {[string index $fname 0] eq "\""} {
7264 set fname [lindex $fname 0]
7265 }
7266 set fname [encoding convertfrom $fname]
7267 lappend treefilelist($id) $fname
7268 }
7269 if {![eof $gtf]} {
7270 return [expr {$nl >= 1000? 2: 1}]
7271 }
7272 close $gtf
7273 unset treepending
7274 if {$cmitmode ne "tree"} {
7275 if {![info exists diffmergeid]} {
7276 gettreediffs $diffids
7277 }
7278 } elseif {$id ne $diffids} {
7279 gettree $diffids
7280 } else {
7281 setfilelist $id
7282 }
7283 return 0
7284}
7285
7286proc showfile {f} {
7287 global treefilelist treeidlist diffids nullid nullid2
7288 global ctext_file_names ctext_file_lines
7289 global ctext commentend
7290
7291 set i [lsearch -exact $treefilelist($diffids) $f]
7292 if {$i < 0} {
7293 puts "oops, $f not in list for id $diffids"
7294 return
7295 }
7296 if {$diffids eq $nullid} {
7297 if {[catch {set bf [open $f r]} err]} {
7298 puts "oops, can't read $f: $err"
7299 return
7300 }
7301 } else {
7302 set blob [lindex $treeidlist($diffids) $i]
7303 if {[catch {set bf [open [concat | git cat-file blob $blob] r]} err]} {
7304 puts "oops, error reading blob $blob: $err"
7305 return
7306 }
7307 }
7308 fconfigure $bf -blocking 0 -encoding [get_path_encoding $f]
7309 filerun $bf [list getblobline $bf $diffids]
7310 $ctext config -state normal
7311 clear_ctext $commentend
7312 lappend ctext_file_names $f
7313 lappend ctext_file_lines [lindex [split $commentend "."] 0]
7314 $ctext insert end "\n"
7315 $ctext insert end "$f\n" filesep
7316 $ctext config -state disabled
7317 $ctext yview $commentend
7318 settabs 0
7319}
7320
7321proc getblobline {bf id} {
7322 global diffids cmitmode ctext
7323
7324 if {$id ne $diffids || $cmitmode ne "tree"} {
7325 catch {close $bf}
7326 return 0
7327 }
7328 $ctext config -state normal
7329 set nl 0
7330 while {[incr nl] <= 1000 && [gets $bf line] >= 0} {
7331 $ctext insert end "$line\n"
7332 }
7333 if {[eof $bf]} {
7334 global jump_to_here ctext_file_names commentend
7335
7336 # delete last newline
7337 $ctext delete "end - 2c" "end - 1c"
7338 close $bf
7339 if {$jump_to_here ne {} &&
7340 [lindex $jump_to_here 0] eq [lindex $ctext_file_names 0]} {
7341 set lnum [expr {[lindex $jump_to_here 1] +
7342 [lindex [split $commentend .] 0]}]
7343 mark_ctext_line $lnum
7344 }
7345 $ctext config -state disabled
7346 return 0
7347 }
7348 $ctext config -state disabled
7349 return [expr {$nl >= 1000? 2: 1}]
7350}
7351
7352proc mark_ctext_line {lnum} {
7353 global ctext markbgcolor
7354
7355 $ctext tag delete omark
7356 $ctext tag add omark $lnum.0 "$lnum.0 + 1 line"
7357 $ctext tag conf omark -background $markbgcolor
7358 $ctext see $lnum.0
7359}
7360
7361proc mergediff {id} {
7362 global diffmergeid
7363 global diffids treediffs
7364 global parents curview
7365
7366 set diffmergeid $id
7367 set diffids $id
7368 set treediffs($id) {}
7369 set np [llength $parents($curview,$id)]
7370 settabs $np
7371 getblobdiffs $id
7372}
7373
7374proc startdiff {ids} {
7375 global treediffs diffids treepending diffmergeid nullid nullid2
7376
7377 settabs 1
7378 set diffids $ids
7379 catch {unset diffmergeid}
7380 if {![info exists treediffs($ids)] ||
7381 [lsearch -exact $ids $nullid] >= 0 ||
7382 [lsearch -exact $ids $nullid2] >= 0} {
7383 if {![info exists treepending]} {
7384 gettreediffs $ids
7385 }
7386 } else {
7387 addtocflist $ids
7388 }
7389}
7390
7391proc path_filter {filter name} {
7392 foreach p $filter {
7393 set l [string length $p]
7394 if {[string index $p end] eq "/"} {
7395 if {[string compare -length $l $p $name] == 0} {
7396 return 1
7397 }
7398 } else {
7399 if {[string compare -length $l $p $name] == 0 &&
7400 ([string length $name] == $l ||
7401 [string index $name $l] eq "/")} {
7402 return 1
7403 }
7404 }
7405 }
7406 return 0
7407}
7408
7409proc addtocflist {ids} {
7410 global treediffs
7411
7412 add_flist $treediffs($ids)
7413 getblobdiffs $ids
7414}
7415
7416proc diffcmd {ids flags} {
7417 global nullid nullid2
7418
7419 set i [lsearch -exact $ids $nullid]
7420 set j [lsearch -exact $ids $nullid2]
7421 if {$i >= 0} {
7422 if {[llength $ids] > 1 && $j < 0} {
7423 # comparing working directory with some specific revision
7424 set cmd [concat | git diff-index $flags]
7425 if {$i == 0} {
7426 lappend cmd -R [lindex $ids 1]
7427 } else {
7428 lappend cmd [lindex $ids 0]
7429 }
7430 } else {
7431 # comparing working directory with index
7432 set cmd [concat | git diff-files $flags]
7433 if {$j == 1} {
7434 lappend cmd -R
7435 }
7436 }
7437 } elseif {$j >= 0} {
7438 set cmd [concat | git diff-index --cached $flags]
7439 if {[llength $ids] > 1} {
7440 # comparing index with specific revision
7441 if {$j == 0} {
7442 lappend cmd -R [lindex $ids 1]
7443 } else {
7444 lappend cmd [lindex $ids 0]
7445 }
7446 } else {
7447 # comparing index with HEAD
7448 lappend cmd HEAD
7449 }
7450 } else {
7451 set cmd [concat | git diff-tree -r $flags $ids]
7452 }
7453 return $cmd
7454}
7455
7456proc gettreediffs {ids} {
7457 global treediff treepending
7458
7459 if {[catch {set gdtf [open [diffcmd $ids {--no-commit-id}] r]}]} return
7460
7461 set treepending $ids
7462 set treediff {}
7463 fconfigure $gdtf -blocking 0 -encoding binary
7464 filerun $gdtf [list gettreediffline $gdtf $ids]
7465}
7466
7467proc gettreediffline {gdtf ids} {
7468 global treediff treediffs treepending diffids diffmergeid
7469 global cmitmode vfilelimit curview limitdiffs perfile_attrs
7470
7471 set nr 0
7472 set sublist {}
7473 set max 1000
7474 if {$perfile_attrs} {
7475 # cache_gitattr is slow, and even slower on win32 where we
7476 # have to invoke it for only about 30 paths at a time
7477 set max 500
7478 if {[tk windowingsystem] == "win32"} {
7479 set max 120
7480 }
7481 }
7482 while {[incr nr] <= $max && [gets $gdtf line] >= 0} {
7483 set i [string first "\t" $line]
7484 if {$i >= 0} {
7485 set file [string range $line [expr {$i+1}] end]
7486 if {[string index $file 0] eq "\""} {
7487 set file [lindex $file 0]
7488 }
7489 set file [encoding convertfrom $file]
7490 if {$file ne [lindex $treediff end]} {
7491 lappend treediff $file
7492 lappend sublist $file
7493 }
7494 }
7495 }
7496 if {$perfile_attrs} {
7497 cache_gitattr encoding $sublist
7498 }
7499 if {![eof $gdtf]} {
7500 return [expr {$nr >= $max? 2: 1}]
7501 }
7502 close $gdtf
7503 if {$limitdiffs && $vfilelimit($curview) ne {}} {
7504 set flist {}
7505 foreach f $treediff {
7506 if {[path_filter $vfilelimit($curview) $f]} {
7507 lappend flist $f
7508 }
7509 }
7510 set treediffs($ids) $flist
7511 } else {
7512 set treediffs($ids) $treediff
7513 }
7514 unset treepending
7515 if {$cmitmode eq "tree" && [llength $diffids] == 1} {
7516 gettree $diffids
7517 } elseif {$ids != $diffids} {
7518 if {![info exists diffmergeid]} {
7519 gettreediffs $diffids
7520 }
7521 } else {
7522 addtocflist $ids
7523 }
7524 return 0
7525}
7526
7527# empty string or positive integer
7528proc diffcontextvalidate {v} {
7529 return [regexp {^(|[1-9][0-9]*)$} $v]
7530}
7531
7532proc diffcontextchange {n1 n2 op} {
7533 global diffcontextstring diffcontext
7534
7535 if {[string is integer -strict $diffcontextstring]} {
7536 if {$diffcontextstring >= 0} {
7537 set diffcontext $diffcontextstring
7538 reselectline
7539 }
7540 }
7541}
7542
7543proc changeignorespace {} {
7544 reselectline
7545}
7546
7547proc changeworddiff {name ix op} {
7548 reselectline
7549}
7550
7551proc getblobdiffs {ids} {
7552 global blobdifffd diffids env
7553 global diffinhdr treediffs
7554 global diffcontext
7555 global ignorespace
7556 global worddiff
7557 global limitdiffs vfilelimit curview
7558 global diffencoding targetline diffnparents
7559 global git_version currdiffsubmod
7560
7561 set textconv {}
7562 if {[package vcompare $git_version "1.6.1"] >= 0} {
7563 set textconv "--textconv"
7564 }
7565 set submodule {}
7566 if {[package vcompare $git_version "1.6.6"] >= 0} {
7567 set submodule "--submodule"
7568 }
7569 set cmd [diffcmd $ids "-p $textconv $submodule -C --cc --no-commit-id -U$diffcontext"]
7570 if {$ignorespace} {
7571 append cmd " -w"
7572 }
7573 if {$worddiff ne [mc "Line diff"]} {
7574 append cmd " --word-diff=porcelain"
7575 }
7576 if {$limitdiffs && $vfilelimit($curview) ne {}} {
7577 set cmd [concat $cmd -- $vfilelimit($curview)]
7578 }
7579 if {[catch {set bdf [open $cmd r]} err]} {
7580 error_popup [mc "Error getting diffs: %s" $err]
7581 return
7582 }
7583 set targetline {}
7584 set diffnparents 0
7585 set diffinhdr 0
7586 set diffencoding [get_path_encoding {}]
7587 fconfigure $bdf -blocking 0 -encoding binary -eofchar {}
7588 set blobdifffd($ids) $bdf
7589 set currdiffsubmod ""
7590 filerun $bdf [list getblobdiffline $bdf $diffids]
7591}
7592
7593proc savecmitpos {} {
7594 global ctext cmitmode
7595
7596 if {$cmitmode eq "tree"} {
7597 return {}
7598 }
7599 return [list target_scrollpos [$ctext index @0,0]]
7600}
7601
7602proc savectextpos {} {
7603 global ctext
7604
7605 return [list target_scrollpos [$ctext index @0,0]]
7606}
7607
7608proc maybe_scroll_ctext {ateof} {
7609 global ctext target_scrollpos
7610
7611 if {![info exists target_scrollpos]} return
7612 if {!$ateof} {
7613 set nlines [expr {[winfo height $ctext]
7614 / [font metrics textfont -linespace]}]
7615 if {[$ctext compare "$target_scrollpos + $nlines lines" <= end]} return
7616 }
7617 $ctext yview $target_scrollpos
7618 unset target_scrollpos
7619}
7620
7621proc setinlist {var i val} {
7622 global $var
7623
7624 while {[llength [set $var]] < $i} {
7625 lappend $var {}
7626 }
7627 if {[llength [set $var]] == $i} {
7628 lappend $var $val
7629 } else {
7630 lset $var $i $val
7631 }
7632}
7633
7634proc makediffhdr {fname ids} {
7635 global ctext curdiffstart treediffs diffencoding
7636 global ctext_file_names jump_to_here targetline diffline
7637
7638 set fname [encoding convertfrom $fname]
7639 set diffencoding [get_path_encoding $fname]
7640 set i [lsearch -exact $treediffs($ids) $fname]
7641 if {$i >= 0} {
7642 setinlist difffilestart $i $curdiffstart
7643 }
7644 lset ctext_file_names end $fname
7645 set l [expr {(78 - [string length $fname]) / 2}]
7646 set pad [string range "----------------------------------------" 1 $l]
7647 $ctext insert $curdiffstart "$pad $fname $pad" filesep
7648 set targetline {}
7649 if {$jump_to_here ne {} && [lindex $jump_to_here 0] eq $fname} {
7650 set targetline [lindex $jump_to_here 1]
7651 }
7652 set diffline 0
7653}
7654
7655proc getblobdiffline {bdf ids} {
7656 global diffids blobdifffd ctext curdiffstart
7657 global diffnexthead diffnextnote difffilestart
7658 global ctext_file_names ctext_file_lines
7659 global diffinhdr treediffs mergemax diffnparents
7660 global diffencoding jump_to_here targetline diffline currdiffsubmod
7661 global worddiff
7662
7663 set nr 0
7664 $ctext conf -state normal
7665 while {[incr nr] <= 1000 && [gets $bdf line] >= 0} {
7666 if {$ids != $diffids || $bdf != $blobdifffd($ids)} {
7667 catch {close $bdf}
7668 return 0
7669 }
7670 if {![string compare -length 5 "diff " $line]} {
7671 if {![regexp {^diff (--cc|--git) } $line m type]} {
7672 set line [encoding convertfrom $line]
7673 $ctext insert end "$line\n" hunksep
7674 continue
7675 }
7676 # start of a new file
7677 set diffinhdr 1
7678 $ctext insert end "\n"
7679 set curdiffstart [$ctext index "end - 1c"]
7680 lappend ctext_file_names ""
7681 lappend ctext_file_lines [lindex [split $curdiffstart "."] 0]
7682 $ctext insert end "\n" filesep
7683
7684 if {$type eq "--cc"} {
7685 # start of a new file in a merge diff
7686 set fname [string range $line 10 end]
7687 if {[lsearch -exact $treediffs($ids) $fname] < 0} {
7688 lappend treediffs($ids) $fname
7689 add_flist [list $fname]
7690 }
7691
7692 } else {
7693 set line [string range $line 11 end]
7694 # If the name hasn't changed the length will be odd,
7695 # the middle char will be a space, and the two bits either
7696 # side will be a/name and b/name, or "a/name" and "b/name".
7697 # If the name has changed we'll get "rename from" and
7698 # "rename to" or "copy from" and "copy to" lines following
7699 # this, and we'll use them to get the filenames.
7700 # This complexity is necessary because spaces in the
7701 # filename(s) don't get escaped.
7702 set l [string length $line]
7703 set i [expr {$l / 2}]
7704 if {!(($l & 1) && [string index $line $i] eq " " &&
7705 [string range $line 2 [expr {$i - 1}]] eq \
7706 [string range $line [expr {$i + 3}] end])} {
7707 continue
7708 }
7709 # unescape if quoted and chop off the a/ from the front
7710 if {[string index $line 0] eq "\""} {
7711 set fname [string range [lindex $line 0] 2 end]
7712 } else {
7713 set fname [string range $line 2 [expr {$i - 1}]]
7714 }
7715 }
7716 makediffhdr $fname $ids
7717
7718 } elseif {![string compare -length 16 "* Unmerged path " $line]} {
7719 set fname [encoding convertfrom [string range $line 16 end]]
7720 $ctext insert end "\n"
7721 set curdiffstart [$ctext index "end - 1c"]
7722 lappend ctext_file_names $fname
7723 lappend ctext_file_lines [lindex [split $curdiffstart "."] 0]
7724 $ctext insert end "$line\n" filesep
7725 set i [lsearch -exact $treediffs($ids) $fname]
7726 if {$i >= 0} {
7727 setinlist difffilestart $i $curdiffstart
7728 }
7729
7730 } elseif {![string compare -length 2 "@@" $line]} {
7731 regexp {^@@+} $line ats
7732 set line [encoding convertfrom $diffencoding $line]
7733 $ctext insert end "$line\n" hunksep
7734 if {[regexp { \+(\d+),\d+ @@} $line m nl]} {
7735 set diffline $nl
7736 }
7737 set diffnparents [expr {[string length $ats] - 1}]
7738 set diffinhdr 0
7739
7740 } elseif {![string compare -length 10 "Submodule " $line]} {
7741 # start of a new submodule
7742 if {[regexp -indices "\[0-9a-f\]+\\.\\." $line nameend]} {
7743 set fname [string range $line 10 [expr [lindex $nameend 0] - 2]]
7744 } else {
7745 set fname [string range $line 10 [expr [string first "contains " $line] - 2]]
7746 }
7747 if {$currdiffsubmod != $fname} {
7748 $ctext insert end "\n"; # Add newline after commit message
7749 }
7750 set curdiffstart [$ctext index "end - 1c"]
7751 lappend ctext_file_names ""
7752 if {$currdiffsubmod != $fname} {
7753 lappend ctext_file_lines $fname
7754 makediffhdr $fname $ids
7755 set currdiffsubmod $fname
7756 $ctext insert end "\n$line\n" filesep
7757 } else {
7758 $ctext insert end "$line\n" filesep
7759 }
7760 } elseif {![string compare -length 3 " >" $line]} {
7761 set $currdiffsubmod ""
7762 set line [encoding convertfrom $diffencoding $line]
7763 $ctext insert end "$line\n" dresult
7764 } elseif {![string compare -length 3 " <" $line]} {
7765 set $currdiffsubmod ""
7766 set line [encoding convertfrom $diffencoding $line]
7767 $ctext insert end "$line\n" d0
7768 } elseif {$diffinhdr} {
7769 if {![string compare -length 12 "rename from " $line]} {
7770 set fname [string range $line [expr 6 + [string first " from " $line] ] end]
7771 if {[string index $fname 0] eq "\""} {
7772 set fname [lindex $fname 0]
7773 }
7774 set fname [encoding convertfrom $fname]
7775 set i [lsearch -exact $treediffs($ids) $fname]
7776 if {$i >= 0} {
7777 setinlist difffilestart $i $curdiffstart
7778 }
7779 } elseif {![string compare -length 10 $line "rename to "] ||
7780 ![string compare -length 8 $line "copy to "]} {
7781 set fname [string range $line [expr 4 + [string first " to " $line] ] end]
7782 if {[string index $fname 0] eq "\""} {
7783 set fname [lindex $fname 0]
7784 }
7785 makediffhdr $fname $ids
7786 } elseif {[string compare -length 3 $line "---"] == 0} {
7787 # do nothing
7788 continue
7789 } elseif {[string compare -length 3 $line "+++"] == 0} {
7790 set diffinhdr 0
7791 continue
7792 }
7793 $ctext insert end "$line\n" filesep
7794
7795 } else {
7796 set line [string map {\x1A ^Z} \
7797 [encoding convertfrom $diffencoding $line]]
7798 # parse the prefix - one ' ', '-' or '+' for each parent
7799 set prefix [string range $line 0 [expr {$diffnparents - 1}]]
7800 set tag [expr {$diffnparents > 1? "m": "d"}]
7801 set dowords [expr {$worddiff ne [mc "Line diff"] && $diffnparents == 1}]
7802 set words_pre_markup ""
7803 set words_post_markup ""
7804 if {[string trim $prefix " -+"] eq {}} {
7805 # prefix only has " ", "-" and "+" in it: normal diff line
7806 set num [string first "-" $prefix]
7807 if {$dowords} {
7808 set line [string range $line 1 end]
7809 }
7810 if {$num >= 0} {
7811 # removed line, first parent with line is $num
7812 if {$num >= $mergemax} {
7813 set num "max"
7814 }
7815 if {$dowords && $worddiff eq [mc "Markup words"]} {
7816 $ctext insert end "\[-$line-\]" $tag$num
7817 } else {
7818 $ctext insert end "$line" $tag$num
7819 }
7820 if {!$dowords} {
7821 $ctext insert end "\n" $tag$num
7822 }
7823 } else {
7824 set tags {}
7825 if {[string first "+" $prefix] >= 0} {
7826 # added line
7827 lappend tags ${tag}result
7828 if {$diffnparents > 1} {
7829 set num [string first " " $prefix]
7830 if {$num >= 0} {
7831 if {$num >= $mergemax} {
7832 set num "max"
7833 }
7834 lappend tags m$num
7835 }
7836 }
7837 set words_pre_markup "{+"
7838 set words_post_markup "+}"
7839 }
7840 if {$targetline ne {}} {
7841 if {$diffline == $targetline} {
7842 set seehere [$ctext index "end - 1 chars"]
7843 set targetline {}
7844 } else {
7845 incr diffline
7846 }
7847 }
7848 if {$dowords && $worddiff eq [mc "Markup words"]} {
7849 $ctext insert end "$words_pre_markup$line$words_post_markup" $tags
7850 } else {
7851 $ctext insert end "$line" $tags
7852 }
7853 if {!$dowords} {
7854 $ctext insert end "\n" $tags
7855 }
7856 }
7857 } elseif {$dowords && $prefix eq "~"} {
7858 $ctext insert end "\n" {}
7859 } else {
7860 # "\ No newline at end of file",
7861 # or something else we don't recognize
7862 $ctext insert end "$line\n" hunksep
7863 }
7864 }
7865 }
7866 if {[info exists seehere]} {
7867 mark_ctext_line [lindex [split $seehere .] 0]
7868 }
7869 maybe_scroll_ctext [eof $bdf]
7870 $ctext conf -state disabled
7871 if {[eof $bdf]} {
7872 catch {close $bdf}
7873 return 0
7874 }
7875 return [expr {$nr >= 1000? 2: 1}]
7876}
7877
7878proc changediffdisp {} {
7879 global ctext diffelide
7880
7881 $ctext tag conf d0 -elide [lindex $diffelide 0]
7882 $ctext tag conf dresult -elide [lindex $diffelide 1]
7883}
7884
7885proc highlightfile {loc cline} {
7886 global ctext cflist cflist_top
7887
7888 $ctext yview $loc
7889 $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend"
7890 $cflist tag add highlight $cline.0 "$cline.0 lineend"
7891 $cflist see $cline.0
7892 set cflist_top $cline
7893}
7894
7895proc prevfile {} {
7896 global difffilestart ctext cmitmode
7897
7898 if {$cmitmode eq "tree"} return
7899 set prev 0.0
7900 set prevline 1
7901 set here [$ctext index @0,0]
7902 foreach loc $difffilestart {
7903 if {[$ctext compare $loc >= $here]} {
7904 highlightfile $prev $prevline
7905 return
7906 }
7907 set prev $loc
7908 incr prevline
7909 }
7910 highlightfile $prev $prevline
7911}
7912
7913proc nextfile {} {
7914 global difffilestart ctext cmitmode
7915
7916 if {$cmitmode eq "tree"} return
7917 set here [$ctext index @0,0]
7918 set line 1
7919 foreach loc $difffilestart {
7920 incr line
7921 if {[$ctext compare $loc > $here]} {
7922 highlightfile $loc $line
7923 return
7924 }
7925 }
7926}
7927
7928proc clear_ctext {{first 1.0}} {
7929 global ctext smarktop smarkbot
7930 global ctext_file_names ctext_file_lines
7931 global pendinglinks
7932
7933 set l [lindex [split $first .] 0]
7934 if {![info exists smarktop] || [$ctext compare $first < $smarktop.0]} {
7935 set smarktop $l
7936 }
7937 if {![info exists smarkbot] || [$ctext compare $first < $smarkbot.0]} {
7938 set smarkbot $l
7939 }
7940 $ctext delete $first end
7941 if {$first eq "1.0"} {
7942 catch {unset pendinglinks}
7943 }
7944 set ctext_file_names {}
7945 set ctext_file_lines {}
7946}
7947
7948proc settabs {{firstab {}}} {
7949 global firsttabstop tabstop ctext have_tk85
7950
7951 if {$firstab ne {} && $have_tk85} {
7952 set firsttabstop $firstab
7953 }
7954 set w [font measure textfont "0"]
7955 if {$firsttabstop != 0} {
7956 $ctext conf -tabs [list [expr {($firsttabstop + $tabstop) * $w}] \
7957 [expr {($firsttabstop + 2 * $tabstop) * $w}]]
7958 } elseif {$have_tk85 || $tabstop != 8} {
7959 $ctext conf -tabs [expr {$tabstop * $w}]
7960 } else {
7961 $ctext conf -tabs {}
7962 }
7963}
7964
7965proc incrsearch {name ix op} {
7966 global ctext searchstring searchdirn
7967
7968 $ctext tag remove found 1.0 end
7969 if {[catch {$ctext index anchor}]} {
7970 # no anchor set, use start of selection, or of visible area
7971 set sel [$ctext tag ranges sel]
7972 if {$sel ne {}} {
7973 $ctext mark set anchor [lindex $sel 0]
7974 } elseif {$searchdirn eq "-forwards"} {
7975 $ctext mark set anchor @0,0
7976 } else {
7977 $ctext mark set anchor @0,[winfo height $ctext]
7978 }
7979 }
7980 if {$searchstring ne {}} {
7981 set here [$ctext search $searchdirn -- $searchstring anchor]
7982 if {$here ne {}} {
7983 $ctext see $here
7984 }
7985 searchmarkvisible 1
7986 }
7987}
7988
7989proc dosearch {} {
7990 global sstring ctext searchstring searchdirn
7991
7992 focus $sstring
7993 $sstring icursor end
7994 set searchdirn -forwards
7995 if {$searchstring ne {}} {
7996 set sel [$ctext tag ranges sel]
7997 if {$sel ne {}} {
7998 set start "[lindex $sel 0] + 1c"
7999 } elseif {[catch {set start [$ctext index anchor]}]} {
8000 set start "@0,0"
8001 }
8002 set match [$ctext search -count mlen -- $searchstring $start]
8003 $ctext tag remove sel 1.0 end
8004 if {$match eq {}} {
8005 bell
8006 return
8007 }
8008 $ctext see $match
8009 set mend "$match + $mlen c"
8010 $ctext tag add sel $match $mend
8011 $ctext mark unset anchor
8012 }
8013}
8014
8015proc dosearchback {} {
8016 global sstring ctext searchstring searchdirn
8017
8018 focus $sstring
8019 $sstring icursor end
8020 set searchdirn -backwards
8021 if {$searchstring ne {}} {
8022 set sel [$ctext tag ranges sel]
8023 if {$sel ne {}} {
8024 set start [lindex $sel 0]
8025 } elseif {[catch {set start [$ctext index anchor]}]} {
8026 set start @0,[winfo height $ctext]
8027 }
8028 set match [$ctext search -backwards -count ml -- $searchstring $start]
8029 $ctext tag remove sel 1.0 end
8030 if {$match eq {}} {
8031 bell
8032 return
8033 }
8034 $ctext see $match
8035 set mend "$match + $ml c"
8036 $ctext tag add sel $match $mend
8037 $ctext mark unset anchor
8038 }
8039}
8040
8041proc searchmark {first last} {
8042 global ctext searchstring
8043
8044 set mend $first.0
8045 while {1} {
8046 set match [$ctext search -count mlen -- $searchstring $mend $last.end]
8047 if {$match eq {}} break
8048 set mend "$match + $mlen c"
8049 $ctext tag add found $match $mend
8050 }
8051}
8052
8053proc searchmarkvisible {doall} {
8054 global ctext smarktop smarkbot
8055
8056 set topline [lindex [split [$ctext index @0,0] .] 0]
8057 set botline [lindex [split [$ctext index @0,[winfo height $ctext]] .] 0]
8058 if {$doall || $botline < $smarktop || $topline > $smarkbot} {
8059 # no overlap with previous
8060 searchmark $topline $botline
8061 set smarktop $topline
8062 set smarkbot $botline
8063 } else {
8064 if {$topline < $smarktop} {
8065 searchmark $topline [expr {$smarktop-1}]
8066 set smarktop $topline
8067 }
8068 if {$botline > $smarkbot} {
8069 searchmark [expr {$smarkbot+1}] $botline
8070 set smarkbot $botline
8071 }
8072 }
8073}
8074
8075proc scrolltext {f0 f1} {
8076 global searchstring
8077
8078 .bleft.bottom.sb set $f0 $f1
8079 if {$searchstring ne {}} {
8080 searchmarkvisible 0
8081 }
8082}
8083
8084proc setcoords {} {
8085 global linespc charspc canvx0 canvy0
8086 global xspc1 xspc2 lthickness
8087
8088 set linespc [font metrics mainfont -linespace]
8089 set charspc [font measure mainfont "m"]
8090 set canvy0 [expr {int(3 + 0.5 * $linespc)}]
8091 set canvx0 [expr {int(3 + 0.5 * $linespc)}]
8092 set lthickness [expr {int($linespc / 9) + 1}]
8093 set xspc1(0) $linespc
8094 set xspc2 $linespc
8095}
8096
8097proc redisplay {} {
8098 global canv
8099 global selectedline
8100
8101 set ymax [lindex [$canv cget -scrollregion] 3]
8102 if {$ymax eq {} || $ymax == 0} return
8103 set span [$canv yview]
8104 clear_display
8105 setcanvscroll
8106 allcanvs yview moveto [lindex $span 0]
8107 drawvisible
8108 if {$selectedline ne {}} {
8109 selectline $selectedline 0
8110 allcanvs yview moveto [lindex $span 0]
8111 }
8112}
8113
8114proc parsefont {f n} {
8115 global fontattr
8116
8117 set fontattr($f,family) [lindex $n 0]
8118 set s [lindex $n 1]
8119 if {$s eq {} || $s == 0} {
8120 set s 10
8121 } elseif {$s < 0} {
8122 set s [expr {int(-$s / [winfo fpixels . 1p] + 0.5)}]
8123 }
8124 set fontattr($f,size) $s
8125 set fontattr($f,weight) normal
8126 set fontattr($f,slant) roman
8127 foreach style [lrange $n 2 end] {
8128 switch -- $style {
8129 "normal" -
8130 "bold" {set fontattr($f,weight) $style}
8131 "roman" -
8132 "italic" {set fontattr($f,slant) $style}
8133 }
8134 }
8135}
8136
8137proc fontflags {f {isbold 0}} {
8138 global fontattr
8139
8140 return [list -family $fontattr($f,family) -size $fontattr($f,size) \
8141 -weight [expr {$isbold? "bold": $fontattr($f,weight)}] \
8142 -slant $fontattr($f,slant)]
8143}
8144
8145proc fontname {f} {
8146 global fontattr
8147
8148 set n [list $fontattr($f,family) $fontattr($f,size)]
8149 if {$fontattr($f,weight) eq "bold"} {
8150 lappend n "bold"
8151 }
8152 if {$fontattr($f,slant) eq "italic"} {
8153 lappend n "italic"
8154 }
8155 return $n
8156}
8157
8158proc incrfont {inc} {
8159 global mainfont textfont ctext canv cflist showrefstop
8160 global stopped entries fontattr
8161
8162 unmarkmatches
8163 set s $fontattr(mainfont,size)
8164 incr s $inc
8165 if {$s < 1} {
8166 set s 1
8167 }
8168 set fontattr(mainfont,size) $s
8169 font config mainfont -size $s
8170 font config mainfontbold -size $s
8171 set mainfont [fontname mainfont]
8172 set s $fontattr(textfont,size)
8173 incr s $inc
8174 if {$s < 1} {
8175 set s 1
8176 }
8177 set fontattr(textfont,size) $s
8178 font config textfont -size $s
8179 font config textfontbold -size $s
8180 set textfont [fontname textfont]
8181 setcoords
8182 settabs
8183 redisplay
8184}
8185
8186proc clearsha1 {} {
8187 global sha1entry sha1string
8188 if {[string length $sha1string] == 40} {
8189 $sha1entry delete 0 end
8190 }
8191}
8192
8193proc sha1change {n1 n2 op} {
8194 global sha1string currentid sha1but
8195 if {$sha1string == {}
8196 || ([info exists currentid] && $sha1string == $currentid)} {
8197 set state disabled
8198 } else {
8199 set state normal
8200 }
8201 if {[$sha1but cget -state] == $state} return
8202 if {$state == "normal"} {
8203 $sha1but conf -state normal -relief raised -text "[mc "Goto:"] "
8204 } else {
8205 $sha1but conf -state disabled -relief flat -text "[mc "SHA1 ID:"] "
8206 }
8207}
8208
8209proc gotocommit {} {
8210 global sha1string tagids headids curview varcid
8211
8212 if {$sha1string == {}
8213 || ([info exists currentid] && $sha1string == $currentid)} return
8214 if {[info exists tagids($sha1string)]} {
8215 set id $tagids($sha1string)
8216 } elseif {[info exists headids($sha1string)]} {
8217 set id $headids($sha1string)
8218 } else {
8219 set id [string tolower $sha1string]
8220 if {[regexp {^[0-9a-f]{4,39}$} $id]} {
8221 set matches [longid $id]
8222 if {$matches ne {}} {
8223 if {[llength $matches] > 1} {
8224 error_popup [mc "Short SHA1 id %s is ambiguous" $id]
8225 return
8226 }
8227 set id [lindex $matches 0]
8228 }
8229 } else {
8230 if {[catch {set id [exec git rev-parse --verify $sha1string]}]} {
8231 error_popup [mc "Revision %s is not known" $sha1string]
8232 return
8233 }
8234 }
8235 }
8236 if {[commitinview $id $curview]} {
8237 selectline [rowofcommit $id] 1
8238 return
8239 }
8240 if {[regexp {^[0-9a-fA-F]{4,}$} $sha1string]} {
8241 set msg [mc "SHA1 id %s is not known" $sha1string]
8242 } else {
8243 set msg [mc "Revision %s is not in the current view" $sha1string]
8244 }
8245 error_popup $msg
8246}
8247
8248proc lineenter {x y id} {
8249 global hoverx hovery hoverid hovertimer
8250 global commitinfo canv
8251
8252 if {![info exists commitinfo($id)] && ![getcommit $id]} return
8253 set hoverx $x
8254 set hovery $y
8255 set hoverid $id
8256 if {[info exists hovertimer]} {
8257 after cancel $hovertimer
8258 }
8259 set hovertimer [after 500 linehover]
8260 $canv delete hover
8261}
8262
8263proc linemotion {x y id} {
8264 global hoverx hovery hoverid hovertimer
8265
8266 if {[info exists hoverid] && $id == $hoverid} {
8267 set hoverx $x
8268 set hovery $y
8269 if {[info exists hovertimer]} {
8270 after cancel $hovertimer
8271 }
8272 set hovertimer [after 500 linehover]
8273 }
8274}
8275
8276proc lineleave {id} {
8277 global hoverid hovertimer canv
8278
8279 if {[info exists hoverid] && $id == $hoverid} {
8280 $canv delete hover
8281 if {[info exists hovertimer]} {
8282 after cancel $hovertimer
8283 unset hovertimer
8284 }
8285 unset hoverid
8286 }
8287}
8288
8289proc linehover {} {
8290 global hoverx hovery hoverid hovertimer
8291 global canv linespc lthickness
8292 global commitinfo
8293
8294 set text [lindex $commitinfo($hoverid) 0]
8295 set ymax [lindex [$canv cget -scrollregion] 3]
8296 if {$ymax == {}} return
8297 set yfrac [lindex [$canv yview] 0]
8298 set x [expr {$hoverx + 2 * $linespc}]
8299 set y [expr {$hovery + $yfrac * $ymax - $linespc / 2}]
8300 set x0 [expr {$x - 2 * $lthickness}]
8301 set y0 [expr {$y - 2 * $lthickness}]
8302 set x1 [expr {$x + [font measure mainfont $text] + 2 * $lthickness}]
8303 set y1 [expr {$y + $linespc + 2 * $lthickness}]
8304 set t [$canv create rectangle $x0 $y0 $x1 $y1 \
8305 -fill \#ffff80 -outline black -width 1 -tags hover]
8306 $canv raise $t
8307 set t [$canv create text $x $y -anchor nw -text $text -tags hover \
8308 -font mainfont]
8309 $canv raise $t
8310}
8311
8312proc clickisonarrow {id y} {
8313 global lthickness
8314
8315 set ranges [rowranges $id]
8316 set thresh [expr {2 * $lthickness + 6}]
8317 set n [expr {[llength $ranges] - 1}]
8318 for {set i 1} {$i < $n} {incr i} {
8319 set row [lindex $ranges $i]
8320 if {abs([yc $row] - $y) < $thresh} {
8321 return $i
8322 }
8323 }
8324 return {}
8325}
8326
8327proc arrowjump {id n y} {
8328 global canv
8329
8330 # 1 <-> 2, 3 <-> 4, etc...
8331 set n [expr {(($n - 1) ^ 1) + 1}]
8332 set row [lindex [rowranges $id] $n]
8333 set yt [yc $row]
8334 set ymax [lindex [$canv cget -scrollregion] 3]
8335 if {$ymax eq {} || $ymax <= 0} return
8336 set view [$canv yview]
8337 set yspan [expr {[lindex $view 1] - [lindex $view 0]}]
8338 set yfrac [expr {$yt / $ymax - $yspan / 2}]
8339 if {$yfrac < 0} {
8340 set yfrac 0
8341 }
8342 allcanvs yview moveto $yfrac
8343}
8344
8345proc lineclick {x y id isnew} {
8346 global ctext commitinfo children canv thickerline curview
8347
8348 if {![info exists commitinfo($id)] && ![getcommit $id]} return
8349 unmarkmatches
8350 unselectline
8351 normalline
8352 $canv delete hover
8353 # draw this line thicker than normal
8354 set thickerline $id
8355 drawlines $id
8356 if {$isnew} {
8357 set ymax [lindex [$canv cget -scrollregion] 3]
8358 if {$ymax eq {}} return
8359 set yfrac [lindex [$canv yview] 0]
8360 set y [expr {$y + $yfrac * $ymax}]
8361 }
8362 set dirn [clickisonarrow $id $y]
8363 if {$dirn ne {}} {
8364 arrowjump $id $dirn $y
8365 return
8366 }
8367
8368 if {$isnew} {
8369 addtohistory [list lineclick $x $y $id 0] savectextpos
8370 }
8371 # fill the details pane with info about this line
8372 $ctext conf -state normal
8373 clear_ctext
8374 settabs 0
8375 $ctext insert end "[mc "Parent"]:\t"
8376 $ctext insert end $id link0
8377 setlink $id link0
8378 set info $commitinfo($id)
8379 $ctext insert end "\n\t[lindex $info 0]\n"
8380 $ctext insert end "\t[mc "Author"]:\t[lindex $info 1]\n"
8381 set date [formatdate [lindex $info 2]]
8382 $ctext insert end "\t[mc "Date"]:\t$date\n"
8383 set kids $children($curview,$id)
8384 if {$kids ne {}} {
8385 $ctext insert end "\n[mc "Children"]:"
8386 set i 0
8387 foreach child $kids {
8388 incr i
8389 if {![info exists commitinfo($child)] && ![getcommit $child]} continue
8390 set info $commitinfo($child)
8391 $ctext insert end "\n\t"
8392 $ctext insert end $child link$i
8393 setlink $child link$i
8394 $ctext insert end "\n\t[lindex $info 0]"
8395 $ctext insert end "\n\t[mc "Author"]:\t[lindex $info 1]"
8396 set date [formatdate [lindex $info 2]]
8397 $ctext insert end "\n\t[mc "Date"]:\t$date\n"
8398 }
8399 }
8400 maybe_scroll_ctext 1
8401 $ctext conf -state disabled
8402 init_flist {}
8403}
8404
8405proc normalline {} {
8406 global thickerline
8407 if {[info exists thickerline]} {
8408 set id $thickerline
8409 unset thickerline
8410 drawlines $id
8411 }
8412}
8413
8414proc selbyid {id {isnew 1}} {
8415 global curview
8416 if {[commitinview $id $curview]} {
8417 selectline [rowofcommit $id] $isnew
8418 }
8419}
8420
8421proc mstime {} {
8422 global startmstime
8423 if {![info exists startmstime]} {
8424 set startmstime [clock clicks -milliseconds]
8425 }
8426 return [format "%.3f" [expr {([clock click -milliseconds] - $startmstime) / 1000.0}]]
8427}
8428
8429proc rowmenu {x y id} {
8430 global rowctxmenu selectedline rowmenuid curview
8431 global nullid nullid2 fakerowmenu mainhead markedid
8432
8433 stopfinding
8434 set rowmenuid $id
8435 if {$selectedline eq {} || [rowofcommit $id] eq $selectedline} {
8436 set state disabled
8437 } else {
8438 set state normal
8439 }
8440 if {$id ne $nullid && $id ne $nullid2} {
8441 set menu $rowctxmenu
8442 if {$mainhead ne {}} {
8443 $menu entryconfigure 7 -label [mc "Reset %s branch to here" $mainhead] -state normal
8444 } else {
8445 $menu entryconfigure 7 -label [mc "Detached head: can't reset" $mainhead] -state disabled
8446 }
8447 if {[info exists markedid] && $markedid ne $id} {
8448 $menu entryconfigure 9 -state normal
8449 $menu entryconfigure 10 -state normal
8450 $menu entryconfigure 11 -state normal
8451 } else {
8452 $menu entryconfigure 9 -state disabled
8453 $menu entryconfigure 10 -state disabled
8454 $menu entryconfigure 11 -state disabled
8455 }
8456 } else {
8457 set menu $fakerowmenu
8458 }
8459 $menu entryconfigure [mca "Diff this -> selected"] -state $state
8460 $menu entryconfigure [mca "Diff selected -> this"] -state $state
8461 $menu entryconfigure [mca "Make patch"] -state $state
8462 tk_popup $menu $x $y
8463}
8464
8465proc markhere {} {
8466 global rowmenuid markedid canv
8467
8468 set markedid $rowmenuid
8469 make_idmark $markedid
8470}
8471
8472proc gotomark {} {
8473 global markedid
8474
8475 if {[info exists markedid]} {
8476 selbyid $markedid
8477 }
8478}
8479
8480proc replace_by_kids {l r} {
8481 global curview children
8482
8483 set id [commitonrow $r]
8484 set l [lreplace $l 0 0]
8485 foreach kid $children($curview,$id) {
8486 lappend l [rowofcommit $kid]
8487 }
8488 return [lsort -integer -decreasing -unique $l]
8489}
8490
8491proc find_common_desc {} {
8492 global markedid rowmenuid curview children
8493
8494 if {![info exists markedid]} return
8495 if {![commitinview $markedid $curview] ||
8496 ![commitinview $rowmenuid $curview]} return
8497 #set t1 [clock clicks -milliseconds]
8498 set l1 [list [rowofcommit $markedid]]
8499 set l2 [list [rowofcommit $rowmenuid]]
8500 while 1 {
8501 set r1 [lindex $l1 0]
8502 set r2 [lindex $l2 0]
8503 if {$r1 eq {} || $r2 eq {}} break
8504 if {$r1 == $r2} {
8505 selectline $r1 1
8506 break
8507 }
8508 if {$r1 > $r2} {
8509 set l1 [replace_by_kids $l1 $r1]
8510 } else {
8511 set l2 [replace_by_kids $l2 $r2]
8512 }
8513 }
8514 #set t2 [clock clicks -milliseconds]
8515 #puts "took [expr {$t2-$t1}]ms"
8516}
8517
8518proc compare_commits {} {
8519 global markedid rowmenuid curview children
8520
8521 if {![info exists markedid]} return
8522 if {![commitinview $markedid $curview]} return
8523 addtohistory [list do_cmp_commits $markedid $rowmenuid]
8524 do_cmp_commits $markedid $rowmenuid
8525}
8526
8527proc getpatchid {id} {
8528 global patchids
8529
8530 if {![info exists patchids($id)]} {
8531 set cmd [diffcmd [list $id] {-p --root}]
8532 # trim off the initial "|"
8533 set cmd [lrange $cmd 1 end]
8534 if {[catch {
8535 set x [eval exec $cmd | git patch-id]
8536 set patchids($id) [lindex $x 0]
8537 }]} {
8538 set patchids($id) "error"
8539 }
8540 }
8541 return $patchids($id)
8542}
8543
8544proc do_cmp_commits {a b} {
8545 global ctext curview parents children patchids commitinfo
8546
8547 $ctext conf -state normal
8548 clear_ctext
8549 init_flist {}
8550 for {set i 0} {$i < 100} {incr i} {
8551 set skipa 0
8552 set skipb 0
8553 if {[llength $parents($curview,$a)] > 1} {
8554 appendshortlink $a [mc "Skipping merge commit "] "\n"
8555 set skipa 1
8556 } else {
8557 set patcha [getpatchid $a]
8558 }
8559 if {[llength $parents($curview,$b)] > 1} {
8560 appendshortlink $b [mc "Skipping merge commit "] "\n"
8561 set skipb 1
8562 } else {
8563 set patchb [getpatchid $b]
8564 }
8565 if {!$skipa && !$skipb} {
8566 set heada [lindex $commitinfo($a) 0]
8567 set headb [lindex $commitinfo($b) 0]
8568 if {$patcha eq "error"} {
8569 appendshortlink $a [mc "Error getting patch ID for "] \
8570 [mc " - stopping\n"]
8571 break
8572 }
8573 if {$patchb eq "error"} {
8574 appendshortlink $b [mc "Error getting patch ID for "] \
8575 [mc " - stopping\n"]
8576 break
8577 }
8578 if {$patcha eq $patchb} {
8579 if {$heada eq $headb} {
8580 appendshortlink $a [mc "Commit "]
8581 appendshortlink $b " == " " $heada\n"
8582 } else {
8583 appendshortlink $a [mc "Commit "] " $heada\n"
8584 appendshortlink $b [mc " is the same patch as\n "] \
8585 " $headb\n"
8586 }
8587 set skipa 1
8588 set skipb 1
8589 } else {
8590 $ctext insert end "\n"
8591 appendshortlink $a [mc "Commit "] " $heada\n"
8592 appendshortlink $b [mc " differs from\n "] \
8593 " $headb\n"
8594 $ctext insert end [mc "Diff of commits:\n\n"]
8595 $ctext conf -state disabled
8596 update
8597 diffcommits $a $b
8598 return
8599 }
8600 }
8601 if {$skipa} {
8602 set kids [real_children $curview,$a]
8603 if {[llength $kids] != 1} {
8604 $ctext insert end "\n"
8605 appendshortlink $a [mc "Commit "] \
8606 [mc " has %s children - stopping\n" [llength $kids]]
8607 break
8608 }
8609 set a [lindex $kids 0]
8610 }
8611 if {$skipb} {
8612 set kids [real_children $curview,$b]
8613 if {[llength $kids] != 1} {
8614 appendshortlink $b [mc "Commit "] \
8615 [mc " has %s children - stopping\n" [llength $kids]]
8616 break
8617 }
8618 set b [lindex $kids 0]
8619 }
8620 }
8621 $ctext conf -state disabled
8622}
8623
8624proc diffcommits {a b} {
8625 global diffcontext diffids blobdifffd diffinhdr currdiffsubmod
8626
8627 set tmpdir [gitknewtmpdir]
8628 set fna [file join $tmpdir "commit-[string range $a 0 7]"]
8629 set fnb [file join $tmpdir "commit-[string range $b 0 7]"]
8630 if {[catch {
8631 exec git diff-tree -p --pretty $a >$fna
8632 exec git diff-tree -p --pretty $b >$fnb
8633 } err]} {
8634 error_popup [mc "Error writing commit to file: %s" $err]
8635 return
8636 }
8637 if {[catch {
8638 set fd [open "| diff -U$diffcontext $fna $fnb" r]
8639 } err]} {
8640 error_popup [mc "Error diffing commits: %s" $err]
8641 return
8642 }
8643 set diffids [list commits $a $b]
8644 set blobdifffd($diffids) $fd
8645 set diffinhdr 0
8646 set currdiffsubmod ""
8647 filerun $fd [list getblobdiffline $fd $diffids]
8648}
8649
8650proc diffvssel {dirn} {
8651 global rowmenuid selectedline
8652
8653 if {$selectedline eq {}} return
8654 if {$dirn} {
8655 set oldid [commitonrow $selectedline]
8656 set newid $rowmenuid
8657 } else {
8658 set oldid $rowmenuid
8659 set newid [commitonrow $selectedline]
8660 }
8661 addtohistory [list doseldiff $oldid $newid] savectextpos
8662 doseldiff $oldid $newid
8663}
8664
8665proc doseldiff {oldid newid} {
8666 global ctext
8667 global commitinfo
8668
8669 $ctext conf -state normal
8670 clear_ctext
8671 init_flist [mc "Top"]
8672 $ctext insert end "[mc "From"] "
8673 $ctext insert end $oldid link0
8674 setlink $oldid link0
8675 $ctext insert end "\n "
8676 $ctext insert end [lindex $commitinfo($oldid) 0]
8677 $ctext insert end "\n\n[mc "To"] "
8678 $ctext insert end $newid link1
8679 setlink $newid link1
8680 $ctext insert end "\n "
8681 $ctext insert end [lindex $commitinfo($newid) 0]
8682 $ctext insert end "\n"
8683 $ctext conf -state disabled
8684 $ctext tag remove found 1.0 end
8685 startdiff [list $oldid $newid]
8686}
8687
8688proc mkpatch {} {
8689 global rowmenuid currentid commitinfo patchtop patchnum NS
8690
8691 if {![info exists currentid]} return
8692 set oldid $currentid
8693 set oldhead [lindex $commitinfo($oldid) 0]
8694 set newid $rowmenuid
8695 set newhead [lindex $commitinfo($newid) 0]
8696 set top .patch
8697 set patchtop $top
8698 catch {destroy $top}
8699 ttk_toplevel $top
8700 make_transient $top .
8701 ${NS}::label $top.title -text [mc "Generate patch"]
8702 grid $top.title - -pady 10
8703 ${NS}::label $top.from -text [mc "From:"]
8704 ${NS}::entry $top.fromsha1 -width 40
8705 $top.fromsha1 insert 0 $oldid
8706 $top.fromsha1 conf -state readonly
8707 grid $top.from $top.fromsha1 -sticky w
8708 ${NS}::entry $top.fromhead -width 60
8709 $top.fromhead insert 0 $oldhead
8710 $top.fromhead conf -state readonly
8711 grid x $top.fromhead -sticky w
8712 ${NS}::label $top.to -text [mc "To:"]
8713 ${NS}::entry $top.tosha1 -width 40
8714 $top.tosha1 insert 0 $newid
8715 $top.tosha1 conf -state readonly
8716 grid $top.to $top.tosha1 -sticky w
8717 ${NS}::entry $top.tohead -width 60
8718 $top.tohead insert 0 $newhead
8719 $top.tohead conf -state readonly
8720 grid x $top.tohead -sticky w
8721 ${NS}::button $top.rev -text [mc "Reverse"] -command mkpatchrev
8722 grid $top.rev x -pady 10 -padx 5
8723 ${NS}::label $top.flab -text [mc "Output file:"]
8724 ${NS}::entry $top.fname -width 60
8725 $top.fname insert 0 [file normalize "patch$patchnum.patch"]
8726 incr patchnum
8727 grid $top.flab $top.fname -sticky w
8728 ${NS}::frame $top.buts
8729 ${NS}::button $top.buts.gen -text [mc "Generate"] -command mkpatchgo
8730 ${NS}::button $top.buts.can -text [mc "Cancel"] -command mkpatchcan
8731 bind $top <Key-Return> mkpatchgo
8732 bind $top <Key-Escape> mkpatchcan
8733 grid $top.buts.gen $top.buts.can
8734 grid columnconfigure $top.buts 0 -weight 1 -uniform a
8735 grid columnconfigure $top.buts 1 -weight 1 -uniform a
8736 grid $top.buts - -pady 10 -sticky ew
8737 focus $top.fname
8738}
8739
8740proc mkpatchrev {} {
8741 global patchtop
8742
8743 set oldid [$patchtop.fromsha1 get]
8744 set oldhead [$patchtop.fromhead get]
8745 set newid [$patchtop.tosha1 get]
8746 set newhead [$patchtop.tohead get]
8747 foreach e [list fromsha1 fromhead tosha1 tohead] \
8748 v [list $newid $newhead $oldid $oldhead] {
8749 $patchtop.$e conf -state normal
8750 $patchtop.$e delete 0 end
8751 $patchtop.$e insert 0 $v
8752 $patchtop.$e conf -state readonly
8753 }
8754}
8755
8756proc mkpatchgo {} {
8757 global patchtop nullid nullid2
8758
8759 set oldid [$patchtop.fromsha1 get]
8760 set newid [$patchtop.tosha1 get]
8761 set fname [$patchtop.fname get]
8762 set cmd [diffcmd [list $oldid $newid] -p]
8763 # trim off the initial "|"
8764 set cmd [lrange $cmd 1 end]
8765 lappend cmd >$fname &
8766 if {[catch {eval exec $cmd} err]} {
8767 error_popup "[mc "Error creating patch:"] $err" $patchtop
8768 }
8769 catch {destroy $patchtop}
8770 unset patchtop
8771}
8772
8773proc mkpatchcan {} {
8774 global patchtop
8775
8776 catch {destroy $patchtop}
8777 unset patchtop
8778}
8779
8780proc mktag {} {
8781 global rowmenuid mktagtop commitinfo NS
8782
8783 set top .maketag
8784 set mktagtop $top
8785 catch {destroy $top}
8786 ttk_toplevel $top
8787 make_transient $top .
8788 ${NS}::label $top.title -text [mc "Create tag"]
8789 grid $top.title - -pady 10
8790 ${NS}::label $top.id -text [mc "ID:"]
8791 ${NS}::entry $top.sha1 -width 40
8792 $top.sha1 insert 0 $rowmenuid
8793 $top.sha1 conf -state readonly
8794 grid $top.id $top.sha1 -sticky w
8795 ${NS}::entry $top.head -width 60
8796 $top.head insert 0 [lindex $commitinfo($rowmenuid) 0]
8797 $top.head conf -state readonly
8798 grid x $top.head -sticky w
8799 ${NS}::label $top.tlab -text [mc "Tag name:"]
8800 ${NS}::entry $top.tag -width 60
8801 grid $top.tlab $top.tag -sticky w
8802 ${NS}::label $top.op -text [mc "Tag message is optional"]
8803 grid $top.op -columnspan 2 -sticky we
8804 ${NS}::label $top.mlab -text [mc "Tag message:"]
8805 ${NS}::entry $top.msg -width 60
8806 grid $top.mlab $top.msg -sticky w
8807 ${NS}::frame $top.buts
8808 ${NS}::button $top.buts.gen -text [mc "Create"] -command mktaggo
8809 ${NS}::button $top.buts.can -text [mc "Cancel"] -command mktagcan
8810 bind $top <Key-Return> mktaggo
8811 bind $top <Key-Escape> mktagcan
8812 grid $top.buts.gen $top.buts.can
8813 grid columnconfigure $top.buts 0 -weight 1 -uniform a
8814 grid columnconfigure $top.buts 1 -weight 1 -uniform a
8815 grid $top.buts - -pady 10 -sticky ew
8816 focus $top.tag
8817}
8818
8819proc domktag {} {
8820 global mktagtop env tagids idtags
8821
8822 set id [$mktagtop.sha1 get]
8823 set tag [$mktagtop.tag get]
8824 set msg [$mktagtop.msg get]
8825 if {$tag == {}} {
8826 error_popup [mc "No tag name specified"] $mktagtop
8827 return 0
8828 }
8829 if {[info exists tagids($tag)]} {
8830 error_popup [mc "Tag \"%s\" already exists" $tag] $mktagtop
8831 return 0
8832 }
8833 if {[catch {
8834 if {$msg != {}} {
8835 exec git tag -a -m $msg $tag $id
8836 } else {
8837 exec git tag $tag $id
8838 }
8839 } err]} {
8840 error_popup "[mc "Error creating tag:"] $err" $mktagtop
8841 return 0
8842 }
8843
8844 set tagids($tag) $id
8845 lappend idtags($id) $tag
8846 redrawtags $id
8847 addedtag $id
8848 dispneartags 0
8849 run refill_reflist
8850 return 1
8851}
8852
8853proc redrawtags {id} {
8854 global canv linehtag idpos currentid curview cmitlisted markedid
8855 global canvxmax iddrawn circleitem mainheadid circlecolors
8856
8857 if {![commitinview $id $curview]} return
8858 if {![info exists iddrawn($id)]} return
8859 set row [rowofcommit $id]
8860 if {$id eq $mainheadid} {
8861 set ofill yellow
8862 } else {
8863 set ofill [lindex $circlecolors $cmitlisted($curview,$id)]
8864 }
8865 $canv itemconf $circleitem($row) -fill $ofill
8866 $canv delete tag.$id
8867 set xt [eval drawtags $id $idpos($id)]
8868 $canv coords $linehtag($id) $xt [lindex $idpos($id) 2]
8869 set text [$canv itemcget $linehtag($id) -text]
8870 set font [$canv itemcget $linehtag($id) -font]
8871 set xr [expr {$xt + [font measure $font $text]}]
8872 if {$xr > $canvxmax} {
8873 set canvxmax $xr
8874 setcanvscroll
8875 }
8876 if {[info exists currentid] && $currentid == $id} {
8877 make_secsel $id
8878 }
8879 if {[info exists markedid] && $markedid eq $id} {
8880 make_idmark $id
8881 }
8882}
8883
8884proc mktagcan {} {
8885 global mktagtop
8886
8887 catch {destroy $mktagtop}
8888 unset mktagtop
8889}
8890
8891proc mktaggo {} {
8892 if {![domktag]} return
8893 mktagcan
8894}
8895
8896proc writecommit {} {
8897 global rowmenuid wrcomtop commitinfo wrcomcmd NS
8898
8899 set top .writecommit
8900 set wrcomtop $top
8901 catch {destroy $top}
8902 ttk_toplevel $top
8903 make_transient $top .
8904 ${NS}::label $top.title -text [mc "Write commit to file"]
8905 grid $top.title - -pady 10
8906 ${NS}::label $top.id -text [mc "ID:"]
8907 ${NS}::entry $top.sha1 -width 40
8908 $top.sha1 insert 0 $rowmenuid
8909 $top.sha1 conf -state readonly
8910 grid $top.id $top.sha1 -sticky w
8911 ${NS}::entry $top.head -width 60
8912 $top.head insert 0 [lindex $commitinfo($rowmenuid) 0]
8913 $top.head conf -state readonly
8914 grid x $top.head -sticky w
8915 ${NS}::label $top.clab -text [mc "Command:"]
8916 ${NS}::entry $top.cmd -width 60 -textvariable wrcomcmd
8917 grid $top.clab $top.cmd -sticky w -pady 10
8918 ${NS}::label $top.flab -text [mc "Output file:"]
8919 ${NS}::entry $top.fname -width 60
8920 $top.fname insert 0 [file normalize "commit-[string range $rowmenuid 0 6]"]
8921 grid $top.flab $top.fname -sticky w
8922 ${NS}::frame $top.buts
8923 ${NS}::button $top.buts.gen -text [mc "Write"] -command wrcomgo
8924 ${NS}::button $top.buts.can -text [mc "Cancel"] -command wrcomcan
8925 bind $top <Key-Return> wrcomgo
8926 bind $top <Key-Escape> wrcomcan
8927 grid $top.buts.gen $top.buts.can
8928 grid columnconfigure $top.buts 0 -weight 1 -uniform a
8929 grid columnconfigure $top.buts 1 -weight 1 -uniform a
8930 grid $top.buts - -pady 10 -sticky ew
8931 focus $top.fname
8932}
8933
8934proc wrcomgo {} {
8935 global wrcomtop
8936
8937 set id [$wrcomtop.sha1 get]
8938 set cmd "echo $id | [$wrcomtop.cmd get]"
8939 set fname [$wrcomtop.fname get]
8940 if {[catch {exec sh -c $cmd >$fname &} err]} {
8941 error_popup "[mc "Error writing commit:"] $err" $wrcomtop
8942 }
8943 catch {destroy $wrcomtop}
8944 unset wrcomtop
8945}
8946
8947proc wrcomcan {} {
8948 global wrcomtop
8949
8950 catch {destroy $wrcomtop}
8951 unset wrcomtop
8952}
8953
8954proc mkbranch {} {
8955 global rowmenuid mkbrtop NS
8956
8957 set top .makebranch
8958 catch {destroy $top}
8959 ttk_toplevel $top
8960 make_transient $top .
8961 ${NS}::label $top.title -text [mc "Create new branch"]
8962 grid $top.title - -pady 10
8963 ${NS}::label $top.id -text [mc "ID:"]
8964 ${NS}::entry $top.sha1 -width 40
8965 $top.sha1 insert 0 $rowmenuid
8966 $top.sha1 conf -state readonly
8967 grid $top.id $top.sha1 -sticky w
8968 ${NS}::label $top.nlab -text [mc "Name:"]
8969 ${NS}::entry $top.name -width 40
8970 grid $top.nlab $top.name -sticky w
8971 ${NS}::frame $top.buts
8972 ${NS}::button $top.buts.go -text [mc "Create"] -command [list mkbrgo $top]
8973 ${NS}::button $top.buts.can -text [mc "Cancel"] -command "catch {destroy $top}"
8974 bind $top <Key-Return> [list mkbrgo $top]
8975 bind $top <Key-Escape> "catch {destroy $top}"
8976 grid $top.buts.go $top.buts.can
8977 grid columnconfigure $top.buts 0 -weight 1 -uniform a
8978 grid columnconfigure $top.buts 1 -weight 1 -uniform a
8979 grid $top.buts - -pady 10 -sticky ew
8980 focus $top.name
8981}
8982
8983proc mkbrgo {top} {
8984 global headids idheads
8985
8986 set name [$top.name get]
8987 set id [$top.sha1 get]
8988 set cmdargs {}
8989 set old_id {}
8990 if {$name eq {}} {
8991 error_popup [mc "Please specify a name for the new branch"] $top
8992 return
8993 }
8994 if {[info exists headids($name)]} {
8995 if {![confirm_popup [mc \
8996 "Branch '%s' already exists. Overwrite?" $name] $top]} {
8997 return
8998 }
8999 set old_id $headids($name)
9000 lappend cmdargs -f
9001 }
9002 catch {destroy $top}
9003 lappend cmdargs $name $id
9004 nowbusy newbranch
9005 update
9006 if {[catch {
9007 eval exec git branch $cmdargs
9008 } err]} {
9009 notbusy newbranch
9010 error_popup $err
9011 } else {
9012 notbusy newbranch
9013 if {$old_id ne {}} {
9014 movehead $id $name
9015 movedhead $id $name
9016 redrawtags $old_id
9017 redrawtags $id
9018 } else {
9019 set headids($name) $id
9020 lappend idheads($id) $name
9021 addedhead $id $name
9022 redrawtags $id
9023 }
9024 dispneartags 0
9025 run refill_reflist
9026 }
9027}
9028
9029proc exec_citool {tool_args {baseid {}}} {
9030 global commitinfo env
9031
9032 set save_env [array get env GIT_AUTHOR_*]
9033
9034 if {$baseid ne {}} {
9035 if {![info exists commitinfo($baseid)]} {
9036 getcommit $baseid
9037 }
9038 set author [lindex $commitinfo($baseid) 1]
9039 set date [lindex $commitinfo($baseid) 2]
9040 if {[regexp {^\s*(\S.*\S|\S)\s*<(.*)>\s*$} \
9041 $author author name email]
9042 && $date ne {}} {
9043 set env(GIT_AUTHOR_NAME) $name
9044 set env(GIT_AUTHOR_EMAIL) $email
9045 set env(GIT_AUTHOR_DATE) $date
9046 }
9047 }
9048
9049 eval exec git citool $tool_args &
9050
9051 array unset env GIT_AUTHOR_*
9052 array set env $save_env
9053}
9054
9055proc cherrypick {} {
9056 global rowmenuid curview
9057 global mainhead mainheadid
9058 global gitdir
9059
9060 set oldhead [exec git rev-parse HEAD]
9061 set dheads [descheads $rowmenuid]
9062 if {$dheads ne {} && [lsearch -exact $dheads $oldhead] >= 0} {
9063 set ok [confirm_popup [mc "Commit %s is already\
9064 included in branch %s -- really re-apply it?" \
9065 [string range $rowmenuid 0 7] $mainhead]]
9066 if {!$ok} return
9067 }
9068 nowbusy cherrypick [mc "Cherry-picking"]
9069 update
9070 # Unfortunately git-cherry-pick writes stuff to stderr even when
9071 # no error occurs, and exec takes that as an indication of error...
9072 if {[catch {exec sh -c "git cherry-pick -r $rowmenuid 2>&1"} err]} {
9073 notbusy cherrypick
9074 if {[regexp -line \
9075 {Entry '(.*)' (would be overwritten by merge|not uptodate)} \
9076 $err msg fname]} {
9077 error_popup [mc "Cherry-pick failed because of local changes\
9078 to file '%s'.\nPlease commit, reset or stash\
9079 your changes and try again." $fname]
9080 } elseif {[regexp -line \
9081 {^(CONFLICT \(.*\):|Automatic cherry-pick failed|error: could not apply)} \
9082 $err]} {
9083 if {[confirm_popup [mc "Cherry-pick failed because of merge\
9084 conflict.\nDo you wish to run git citool to\
9085 resolve it?"]]} {
9086 # Force citool to read MERGE_MSG
9087 file delete [file join $gitdir "GITGUI_MSG"]
9088 exec_citool {} $rowmenuid
9089 }
9090 } else {
9091 error_popup $err
9092 }
9093 run updatecommits
9094 return
9095 }
9096 set newhead [exec git rev-parse HEAD]
9097 if {$newhead eq $oldhead} {
9098 notbusy cherrypick
9099 error_popup [mc "No changes committed"]
9100 return
9101 }
9102 addnewchild $newhead $oldhead
9103 if {[commitinview $oldhead $curview]} {
9104 # XXX this isn't right if we have a path limit...
9105 insertrow $newhead $oldhead $curview
9106 if {$mainhead ne {}} {
9107 movehead $newhead $mainhead
9108 movedhead $newhead $mainhead
9109 }
9110 set mainheadid $newhead
9111 redrawtags $oldhead
9112 redrawtags $newhead
9113 selbyid $newhead
9114 }
9115 notbusy cherrypick
9116}
9117
9118proc resethead {} {
9119 global mainhead rowmenuid confirm_ok resettype NS
9120
9121 set confirm_ok 0
9122 set w ".confirmreset"
9123 ttk_toplevel $w
9124 make_transient $w .
9125 wm title $w [mc "Confirm reset"]
9126 ${NS}::label $w.m -text \
9127 [mc "Reset branch %s to %s?" $mainhead [string range $rowmenuid 0 7]]
9128 pack $w.m -side top -fill x -padx 20 -pady 20
9129 ${NS}::labelframe $w.f -text [mc "Reset type:"]
9130 set resettype mixed
9131 ${NS}::radiobutton $w.f.soft -value soft -variable resettype \
9132 -text [mc "Soft: Leave working tree and index untouched"]
9133 grid $w.f.soft -sticky w
9134 ${NS}::radiobutton $w.f.mixed -value mixed -variable resettype \
9135 -text [mc "Mixed: Leave working tree untouched, reset index"]
9136 grid $w.f.mixed -sticky w
9137 ${NS}::radiobutton $w.f.hard -value hard -variable resettype \
9138 -text [mc "Hard: Reset working tree and index\n(discard ALL local changes)"]
9139 grid $w.f.hard -sticky w
9140 pack $w.f -side top -fill x -padx 4
9141 ${NS}::button $w.ok -text [mc OK] -command "set confirm_ok 1; destroy $w"
9142 pack $w.ok -side left -fill x -padx 20 -pady 20
9143 ${NS}::button $w.cancel -text [mc Cancel] -command "destroy $w"
9144 bind $w <Key-Escape> [list destroy $w]
9145 pack $w.cancel -side right -fill x -padx 20 -pady 20
9146 bind $w <Visibility> "grab $w; focus $w"
9147 tkwait window $w
9148 if {!$confirm_ok} return
9149 if {[catch {set fd [open \
9150 [list | git reset --$resettype $rowmenuid 2>@1] r]} err]} {
9151 error_popup $err
9152 } else {
9153 dohidelocalchanges
9154 filerun $fd [list readresetstat $fd]
9155 nowbusy reset [mc "Resetting"]
9156 selbyid $rowmenuid
9157 }
9158}
9159
9160proc readresetstat {fd} {
9161 global mainhead mainheadid showlocalchanges rprogcoord
9162
9163 if {[gets $fd line] >= 0} {
9164 if {[regexp {([0-9]+)% \(([0-9]+)/([0-9]+)\)} $line match p m n]} {
9165 set rprogcoord [expr {1.0 * $m / $n}]
9166 adjustprogress
9167 }
9168 return 1
9169 }
9170 set rprogcoord 0
9171 adjustprogress
9172 notbusy reset
9173 if {[catch {close $fd} err]} {
9174 error_popup $err
9175 }
9176 set oldhead $mainheadid
9177 set newhead [exec git rev-parse HEAD]
9178 if {$newhead ne $oldhead} {
9179 movehead $newhead $mainhead
9180 movedhead $newhead $mainhead
9181 set mainheadid $newhead
9182 redrawtags $oldhead
9183 redrawtags $newhead
9184 }
9185 if {$showlocalchanges} {
9186 doshowlocalchanges
9187 }
9188 return 0
9189}
9190
9191# context menu for a head
9192proc headmenu {x y id head} {
9193 global headmenuid headmenuhead headctxmenu mainhead
9194
9195 stopfinding
9196 set headmenuid $id
9197 set headmenuhead $head
9198 set state normal
9199 if {[string match "remotes/*" $head]} {
9200 set state disabled
9201 }
9202 if {$head eq $mainhead} {
9203 set state disabled
9204 }
9205 $headctxmenu entryconfigure 0 -state $state
9206 $headctxmenu entryconfigure 1 -state $state
9207 tk_popup $headctxmenu $x $y
9208}
9209
9210proc cobranch {} {
9211 global headmenuid headmenuhead headids
9212 global showlocalchanges
9213
9214 # check the tree is clean first??
9215 nowbusy checkout [mc "Checking out"]
9216 update
9217 dohidelocalchanges
9218 if {[catch {
9219 set fd [open [list | git checkout $headmenuhead 2>@1] r]
9220 } err]} {
9221 notbusy checkout
9222 error_popup $err
9223 if {$showlocalchanges} {
9224 dodiffindex
9225 }
9226 } else {
9227 filerun $fd [list readcheckoutstat $fd $headmenuhead $headmenuid]
9228 }
9229}
9230
9231proc readcheckoutstat {fd newhead newheadid} {
9232 global mainhead mainheadid headids showlocalchanges progresscoords
9233 global viewmainheadid curview
9234
9235 if {[gets $fd line] >= 0} {
9236 if {[regexp {([0-9]+)% \(([0-9]+)/([0-9]+)\)} $line match p m n]} {
9237 set progresscoords [list 0 [expr {1.0 * $m / $n}]]
9238 adjustprogress
9239 }
9240 return 1
9241 }
9242 set progresscoords {0 0}
9243 adjustprogress
9244 notbusy checkout
9245 if {[catch {close $fd} err]} {
9246 error_popup $err
9247 }
9248 set oldmainid $mainheadid
9249 set mainhead $newhead
9250 set mainheadid $newheadid
9251 set viewmainheadid($curview) $newheadid
9252 redrawtags $oldmainid
9253 redrawtags $newheadid
9254 selbyid $newheadid
9255 if {$showlocalchanges} {
9256 dodiffindex
9257 }
9258}
9259
9260proc rmbranch {} {
9261 global headmenuid headmenuhead mainhead
9262 global idheads
9263
9264 set head $headmenuhead
9265 set id $headmenuid
9266 # this check shouldn't be needed any more...
9267 if {$head eq $mainhead} {
9268 error_popup [mc "Cannot delete the currently checked-out branch"]
9269 return
9270 }
9271 set dheads [descheads $id]
9272 if {[llength $dheads] == 1 && $idheads($dheads) eq $head} {
9273 # the stuff on this branch isn't on any other branch
9274 if {![confirm_popup [mc "The commits on branch %s aren't on any other\
9275 branch.\nReally delete branch %s?" $head $head]]} return
9276 }
9277 nowbusy rmbranch
9278 update
9279 if {[catch {exec git branch -D $head} err]} {
9280 notbusy rmbranch
9281 error_popup $err
9282 return
9283 }
9284 removehead $id $head
9285 removedhead $id $head
9286 redrawtags $id
9287 notbusy rmbranch
9288 dispneartags 0
9289 run refill_reflist
9290}
9291
9292# Display a list of tags and heads
9293proc showrefs {} {
9294 global showrefstop bgcolor fgcolor selectbgcolor NS
9295 global bglist fglist reflistfilter reflist maincursor
9296
9297 set top .showrefs
9298 set showrefstop $top
9299 if {[winfo exists $top]} {
9300 raise $top
9301 refill_reflist
9302 return
9303 }
9304 ttk_toplevel $top
9305 wm title $top [mc "Tags and heads: %s" [file tail [pwd]]]
9306 make_transient $top .
9307 text $top.list -background $bgcolor -foreground $fgcolor \
9308 -selectbackground $selectbgcolor -font mainfont \
9309 -xscrollcommand "$top.xsb set" -yscrollcommand "$top.ysb set" \
9310 -width 30 -height 20 -cursor $maincursor \
9311 -spacing1 1 -spacing3 1 -state disabled
9312 $top.list tag configure highlight -background $selectbgcolor
9313 lappend bglist $top.list
9314 lappend fglist $top.list
9315 ${NS}::scrollbar $top.ysb -command "$top.list yview" -orient vertical
9316 ${NS}::scrollbar $top.xsb -command "$top.list xview" -orient horizontal
9317 grid $top.list $top.ysb -sticky nsew
9318 grid $top.xsb x -sticky ew
9319 ${NS}::frame $top.f
9320 ${NS}::label $top.f.l -text "[mc "Filter"]: "
9321 ${NS}::entry $top.f.e -width 20 -textvariable reflistfilter
9322 set reflistfilter "*"
9323 trace add variable reflistfilter write reflistfilter_change
9324 pack $top.f.e -side right -fill x -expand 1
9325 pack $top.f.l -side left
9326 grid $top.f - -sticky ew -pady 2
9327 ${NS}::button $top.close -command [list destroy $top] -text [mc "Close"]
9328 bind $top <Key-Escape> [list destroy $top]
9329 grid $top.close -
9330 grid columnconfigure $top 0 -weight 1
9331 grid rowconfigure $top 0 -weight 1
9332 bind $top.list <1> {break}
9333 bind $top.list <B1-Motion> {break}
9334 bind $top.list <ButtonRelease-1> {sel_reflist %W %x %y; break}
9335 set reflist {}
9336 refill_reflist
9337}
9338
9339proc sel_reflist {w x y} {
9340 global showrefstop reflist headids tagids otherrefids
9341
9342 if {![winfo exists $showrefstop]} return
9343 set l [lindex [split [$w index "@$x,$y"] "."] 0]
9344 set ref [lindex $reflist [expr {$l-1}]]
9345 set n [lindex $ref 0]
9346 switch -- [lindex $ref 1] {
9347 "H" {selbyid $headids($n)}
9348 "T" {selbyid $tagids($n)}
9349 "o" {selbyid $otherrefids($n)}
9350 }
9351 $showrefstop.list tag add highlight $l.0 "$l.0 lineend"
9352}
9353
9354proc unsel_reflist {} {
9355 global showrefstop
9356
9357 if {![info exists showrefstop] || ![winfo exists $showrefstop]} return
9358 $showrefstop.list tag remove highlight 0.0 end
9359}
9360
9361proc reflistfilter_change {n1 n2 op} {
9362 global reflistfilter
9363
9364 after cancel refill_reflist
9365 after 200 refill_reflist
9366}
9367
9368proc refill_reflist {} {
9369 global reflist reflistfilter showrefstop headids tagids otherrefids
9370 global curview
9371
9372 if {![info exists showrefstop] || ![winfo exists $showrefstop]} return
9373 set refs {}
9374 foreach n [array names headids] {
9375 if {[string match $reflistfilter $n]} {
9376 if {[commitinview $headids($n) $curview]} {
9377 lappend refs [list $n H]
9378 } else {
9379 interestedin $headids($n) {run refill_reflist}
9380 }
9381 }
9382 }
9383 foreach n [array names tagids] {
9384 if {[string match $reflistfilter $n]} {
9385 if {[commitinview $tagids($n) $curview]} {
9386 lappend refs [list $n T]
9387 } else {
9388 interestedin $tagids($n) {run refill_reflist}
9389 }
9390 }
9391 }
9392 foreach n [array names otherrefids] {
9393 if {[string match $reflistfilter $n]} {
9394 if {[commitinview $otherrefids($n) $curview]} {
9395 lappend refs [list $n o]
9396 } else {
9397 interestedin $otherrefids($n) {run refill_reflist}
9398 }
9399 }
9400 }
9401 set refs [lsort -index 0 $refs]
9402 if {$refs eq $reflist} return
9403
9404 # Update the contents of $showrefstop.list according to the
9405 # differences between $reflist (old) and $refs (new)
9406 $showrefstop.list conf -state normal
9407 $showrefstop.list insert end "\n"
9408 set i 0
9409 set j 0
9410 while {$i < [llength $reflist] || $j < [llength $refs]} {
9411 if {$i < [llength $reflist]} {
9412 if {$j < [llength $refs]} {
9413 set cmp [string compare [lindex $reflist $i 0] \
9414 [lindex $refs $j 0]]
9415 if {$cmp == 0} {
9416 set cmp [string compare [lindex $reflist $i 1] \
9417 [lindex $refs $j 1]]
9418 }
9419 } else {
9420 set cmp -1
9421 }
9422 } else {
9423 set cmp 1
9424 }
9425 switch -- $cmp {
9426 -1 {
9427 $showrefstop.list delete "[expr {$j+1}].0" "[expr {$j+2}].0"
9428 incr i
9429 }
9430 0 {
9431 incr i
9432 incr j
9433 }
9434 1 {
9435 set l [expr {$j + 1}]
9436 $showrefstop.list image create $l.0 -align baseline \
9437 -image reficon-[lindex $refs $j 1] -padx 2
9438 $showrefstop.list insert $l.1 "[lindex $refs $j 0]\n"
9439 incr j
9440 }
9441 }
9442 }
9443 set reflist $refs
9444 # delete last newline
9445 $showrefstop.list delete end-2c end-1c
9446 $showrefstop.list conf -state disabled
9447}
9448
9449# Stuff for finding nearby tags
9450proc getallcommits {} {
9451 global allcommits nextarc seeds allccache allcwait cachedarcs allcupdate
9452 global idheads idtags idotherrefs allparents tagobjid
9453 global gitdir
9454
9455 if {![info exists allcommits]} {
9456 set nextarc 0
9457 set allcommits 0
9458 set seeds {}
9459 set allcwait 0
9460 set cachedarcs 0
9461 set allccache [file join $gitdir "gitk.cache"]
9462 if {![catch {
9463 set f [open $allccache r]
9464 set allcwait 1
9465 getcache $f
9466 }]} return
9467 }
9468
9469 if {$allcwait} {
9470 return
9471 }
9472 set cmd [list | git rev-list --parents]
9473 set allcupdate [expr {$seeds ne {}}]
9474 if {!$allcupdate} {
9475 set ids "--all"
9476 } else {
9477 set refs [concat [array names idheads] [array names idtags] \
9478 [array names idotherrefs]]
9479 set ids {}
9480 set tagobjs {}
9481 foreach name [array names tagobjid] {
9482 lappend tagobjs $tagobjid($name)
9483 }
9484 foreach id [lsort -unique $refs] {
9485 if {![info exists allparents($id)] &&
9486 [lsearch -exact $tagobjs $id] < 0} {
9487 lappend ids $id
9488 }
9489 }
9490 if {$ids ne {}} {
9491 foreach id $seeds {
9492 lappend ids "^$id"
9493 }
9494 }
9495 }
9496 if {$ids ne {}} {
9497 set fd [open [concat $cmd $ids] r]
9498 fconfigure $fd -blocking 0
9499 incr allcommits
9500 nowbusy allcommits
9501 filerun $fd [list getallclines $fd]
9502 } else {
9503 dispneartags 0
9504 }
9505}
9506
9507# Since most commits have 1 parent and 1 child, we group strings of
9508# such commits into "arcs" joining branch/merge points (BMPs), which
9509# are commits that either don't have 1 parent or don't have 1 child.
9510#
9511# arcnos(id) - incoming arcs for BMP, arc we're on for other nodes
9512# arcout(id) - outgoing arcs for BMP
9513# arcids(a) - list of IDs on arc including end but not start
9514# arcstart(a) - BMP ID at start of arc
9515# arcend(a) - BMP ID at end of arc
9516# growing(a) - arc a is still growing
9517# arctags(a) - IDs out of arcids (excluding end) that have tags
9518# archeads(a) - IDs out of arcids (excluding end) that have heads
9519# The start of an arc is at the descendent end, so "incoming" means
9520# coming from descendents, and "outgoing" means going towards ancestors.
9521
9522proc getallclines {fd} {
9523 global allparents allchildren idtags idheads nextarc
9524 global arcnos arcids arctags arcout arcend arcstart archeads growing
9525 global seeds allcommits cachedarcs allcupdate
9526
9527 set nid 0
9528 while {[incr nid] <= 1000 && [gets $fd line] >= 0} {
9529 set id [lindex $line 0]
9530 if {[info exists allparents($id)]} {
9531 # seen it already
9532 continue
9533 }
9534 set cachedarcs 0
9535 set olds [lrange $line 1 end]
9536 set allparents($id) $olds
9537 if {![info exists allchildren($id)]} {
9538 set allchildren($id) {}
9539 set arcnos($id) {}
9540 lappend seeds $id
9541 } else {
9542 set a $arcnos($id)
9543 if {[llength $olds] == 1 && [llength $a] == 1} {
9544 lappend arcids($a) $id
9545 if {[info exists idtags($id)]} {
9546 lappend arctags($a) $id
9547 }
9548 if {[info exists idheads($id)]} {
9549 lappend archeads($a) $id
9550 }
9551 if {[info exists allparents($olds)]} {
9552 # seen parent already
9553 if {![info exists arcout($olds)]} {
9554 splitarc $olds
9555 }
9556 lappend arcids($a) $olds
9557 set arcend($a) $olds
9558 unset growing($a)
9559 }
9560 lappend allchildren($olds) $id
9561 lappend arcnos($olds) $a
9562 continue
9563 }
9564 }
9565 foreach a $arcnos($id) {
9566 lappend arcids($a) $id
9567 set arcend($a) $id
9568 unset growing($a)
9569 }
9570
9571 set ao {}
9572 foreach p $olds {
9573 lappend allchildren($p) $id
9574 set a [incr nextarc]
9575 set arcstart($a) $id
9576 set archeads($a) {}
9577 set arctags($a) {}
9578 set archeads($a) {}
9579 set arcids($a) {}
9580 lappend ao $a
9581 set growing($a) 1
9582 if {[info exists allparents($p)]} {
9583 # seen it already, may need to make a new branch
9584 if {![info exists arcout($p)]} {
9585 splitarc $p
9586 }
9587 lappend arcids($a) $p
9588 set arcend($a) $p
9589 unset growing($a)
9590 }
9591 lappend arcnos($p) $a
9592 }
9593 set arcout($id) $ao
9594 }
9595 if {$nid > 0} {
9596 global cached_dheads cached_dtags cached_atags
9597 catch {unset cached_dheads}
9598 catch {unset cached_dtags}
9599 catch {unset cached_atags}
9600 }
9601 if {![eof $fd]} {
9602 return [expr {$nid >= 1000? 2: 1}]
9603 }
9604 set cacheok 1
9605 if {[catch {
9606 fconfigure $fd -blocking 1
9607 close $fd
9608 } err]} {
9609 # got an error reading the list of commits
9610 # if we were updating, try rereading the whole thing again
9611 if {$allcupdate} {
9612 incr allcommits -1
9613 dropcache $err
9614 return
9615 }
9616 error_popup "[mc "Error reading commit topology information;\
9617 branch and preceding/following tag information\
9618 will be incomplete."]\n($err)"
9619 set cacheok 0
9620 }
9621 if {[incr allcommits -1] == 0} {
9622 notbusy allcommits
9623 if {$cacheok} {
9624 run savecache
9625 }
9626 }
9627 dispneartags 0
9628 return 0
9629}
9630
9631proc recalcarc {a} {
9632 global arctags archeads arcids idtags idheads
9633
9634 set at {}
9635 set ah {}
9636 foreach id [lrange $arcids($a) 0 end-1] {
9637 if {[info exists idtags($id)]} {
9638 lappend at $id
9639 }
9640 if {[info exists idheads($id)]} {
9641 lappend ah $id
9642 }
9643 }
9644 set arctags($a) $at
9645 set archeads($a) $ah
9646}
9647
9648proc splitarc {p} {
9649 global arcnos arcids nextarc arctags archeads idtags idheads
9650 global arcstart arcend arcout allparents growing
9651
9652 set a $arcnos($p)
9653 if {[llength $a] != 1} {
9654 puts "oops splitarc called but [llength $a] arcs already"
9655 return
9656 }
9657 set a [lindex $a 0]
9658 set i [lsearch -exact $arcids($a) $p]
9659 if {$i < 0} {
9660 puts "oops splitarc $p not in arc $a"
9661 return
9662 }
9663 set na [incr nextarc]
9664 if {[info exists arcend($a)]} {
9665 set arcend($na) $arcend($a)
9666 } else {
9667 set l [lindex $allparents([lindex $arcids($a) end]) 0]
9668 set j [lsearch -exact $arcnos($l) $a]
9669 set arcnos($l) [lreplace $arcnos($l) $j $j $na]
9670 }
9671 set tail [lrange $arcids($a) [expr {$i+1}] end]
9672 set arcids($a) [lrange $arcids($a) 0 $i]
9673 set arcend($a) $p
9674 set arcstart($na) $p
9675 set arcout($p) $na
9676 set arcids($na) $tail
9677 if {[info exists growing($a)]} {
9678 set growing($na) 1
9679 unset growing($a)
9680 }
9681
9682 foreach id $tail {
9683 if {[llength $arcnos($id)] == 1} {
9684 set arcnos($id) $na
9685 } else {
9686 set j [lsearch -exact $arcnos($id) $a]
9687 set arcnos($id) [lreplace $arcnos($id) $j $j $na]
9688 }
9689 }
9690
9691 # reconstruct tags and heads lists
9692 if {$arctags($a) ne {} || $archeads($a) ne {}} {
9693 recalcarc $a
9694 recalcarc $na
9695 } else {
9696 set arctags($na) {}
9697 set archeads($na) {}
9698 }
9699}
9700
9701# Update things for a new commit added that is a child of one
9702# existing commit. Used when cherry-picking.
9703proc addnewchild {id p} {
9704 global allparents allchildren idtags nextarc
9705 global arcnos arcids arctags arcout arcend arcstart archeads growing
9706 global seeds allcommits
9707
9708 if {![info exists allcommits] || ![info exists arcnos($p)]} return
9709 set allparents($id) [list $p]
9710 set allchildren($id) {}
9711 set arcnos($id) {}
9712 lappend seeds $id
9713 lappend allchildren($p) $id
9714 set a [incr nextarc]
9715 set arcstart($a) $id
9716 set archeads($a) {}
9717 set arctags($a) {}
9718 set arcids($a) [list $p]
9719 set arcend($a) $p
9720 if {![info exists arcout($p)]} {
9721 splitarc $p
9722 }
9723 lappend arcnos($p) $a
9724 set arcout($id) [list $a]
9725}
9726
9727# This implements a cache for the topology information.
9728# The cache saves, for each arc, the start and end of the arc,
9729# the ids on the arc, and the outgoing arcs from the end.
9730proc readcache {f} {
9731 global arcnos arcids arcout arcstart arcend arctags archeads nextarc
9732 global idtags idheads allparents cachedarcs possible_seeds seeds growing
9733 global allcwait
9734
9735 set a $nextarc
9736 set lim $cachedarcs
9737 if {$lim - $a > 500} {
9738 set lim [expr {$a + 500}]
9739 }
9740 if {[catch {
9741 if {$a == $lim} {
9742 # finish reading the cache and setting up arctags, etc.
9743 set line [gets $f]
9744 if {$line ne "1"} {error "bad final version"}
9745 close $f
9746 foreach id [array names idtags] {
9747 if {[info exists arcnos($id)] && [llength $arcnos($id)] == 1 &&
9748 [llength $allparents($id)] == 1} {
9749 set a [lindex $arcnos($id) 0]
9750 if {$arctags($a) eq {}} {
9751 recalcarc $a
9752 }
9753 }
9754 }
9755 foreach id [array names idheads] {
9756 if {[info exists arcnos($id)] && [llength $arcnos($id)] == 1 &&
9757 [llength $allparents($id)] == 1} {
9758 set a [lindex $arcnos($id) 0]
9759 if {$archeads($a) eq {}} {
9760 recalcarc $a
9761 }
9762 }
9763 }
9764 foreach id [lsort -unique $possible_seeds] {
9765 if {$arcnos($id) eq {}} {
9766 lappend seeds $id
9767 }
9768 }
9769 set allcwait 0
9770 } else {
9771 while {[incr a] <= $lim} {
9772 set line [gets $f]
9773 if {[llength $line] != 3} {error "bad line"}
9774 set s [lindex $line 0]
9775 set arcstart($a) $s
9776 lappend arcout($s) $a
9777 if {![info exists arcnos($s)]} {
9778 lappend possible_seeds $s
9779 set arcnos($s) {}
9780 }
9781 set e [lindex $line 1]
9782 if {$e eq {}} {
9783 set growing($a) 1
9784 } else {
9785 set arcend($a) $e
9786 if {![info exists arcout($e)]} {
9787 set arcout($e) {}
9788 }
9789 }
9790 set arcids($a) [lindex $line 2]
9791 foreach id $arcids($a) {
9792 lappend allparents($s) $id
9793 set s $id
9794 lappend arcnos($id) $a
9795 }
9796 if {![info exists allparents($s)]} {
9797 set allparents($s) {}
9798 }
9799 set arctags($a) {}
9800 set archeads($a) {}
9801 }
9802 set nextarc [expr {$a - 1}]
9803 }
9804 } err]} {
9805 dropcache $err
9806 return 0
9807 }
9808 if {!$allcwait} {
9809 getallcommits
9810 }
9811 return $allcwait
9812}
9813
9814proc getcache {f} {
9815 global nextarc cachedarcs possible_seeds
9816
9817 if {[catch {
9818 set line [gets $f]
9819 if {[llength $line] != 2 || [lindex $line 0] ne "1"} {error "bad version"}
9820 # make sure it's an integer
9821 set cachedarcs [expr {int([lindex $line 1])}]
9822 if {$cachedarcs < 0} {error "bad number of arcs"}
9823 set nextarc 0
9824 set possible_seeds {}
9825 run readcache $f
9826 } err]} {
9827 dropcache $err
9828 }
9829 return 0
9830}
9831
9832proc dropcache {err} {
9833 global allcwait nextarc cachedarcs seeds
9834
9835 #puts "dropping cache ($err)"
9836 foreach v {arcnos arcout arcids arcstart arcend growing \
9837 arctags archeads allparents allchildren} {
9838 global $v
9839 catch {unset $v}
9840 }
9841 set allcwait 0
9842 set nextarc 0
9843 set cachedarcs 0
9844 set seeds {}
9845 getallcommits
9846}
9847
9848proc writecache {f} {
9849 global cachearc cachedarcs allccache
9850 global arcstart arcend arcnos arcids arcout
9851
9852 set a $cachearc
9853 set lim $cachedarcs
9854 if {$lim - $a > 1000} {
9855 set lim [expr {$a + 1000}]
9856 }
9857 if {[catch {
9858 while {[incr a] <= $lim} {
9859 if {[info exists arcend($a)]} {
9860 puts $f [list $arcstart($a) $arcend($a) $arcids($a)]
9861 } else {
9862 puts $f [list $arcstart($a) {} $arcids($a)]
9863 }
9864 }
9865 } err]} {
9866 catch {close $f}
9867 catch {file delete $allccache}
9868 #puts "writing cache failed ($err)"
9869 return 0
9870 }
9871 set cachearc [expr {$a - 1}]
9872 if {$a > $cachedarcs} {
9873 puts $f "1"
9874 close $f
9875 return 0
9876 }
9877 return 1
9878}
9879
9880proc savecache {} {
9881 global nextarc cachedarcs cachearc allccache
9882
9883 if {$nextarc == $cachedarcs} return
9884 set cachearc 0
9885 set cachedarcs $nextarc
9886 catch {
9887 set f [open $allccache w]
9888 puts $f [list 1 $cachedarcs]
9889 run writecache $f
9890 }
9891}
9892
9893# Returns 1 if a is an ancestor of b, -1 if b is an ancestor of a,
9894# or 0 if neither is true.
9895proc anc_or_desc {a b} {
9896 global arcout arcstart arcend arcnos cached_isanc
9897
9898 if {$arcnos($a) eq $arcnos($b)} {
9899 # Both are on the same arc(s); either both are the same BMP,
9900 # or if one is not a BMP, the other is also not a BMP or is
9901 # the BMP at end of the arc (and it only has 1 incoming arc).
9902 # Or both can be BMPs with no incoming arcs.
9903 if {$a eq $b || $arcnos($a) eq {}} {
9904 return 0
9905 }
9906 # assert {[llength $arcnos($a)] == 1}
9907 set arc [lindex $arcnos($a) 0]
9908 set i [lsearch -exact $arcids($arc) $a]
9909 set j [lsearch -exact $arcids($arc) $b]
9910 if {$i < 0 || $i > $j} {
9911 return 1
9912 } else {
9913 return -1
9914 }
9915 }
9916
9917 if {![info exists arcout($a)]} {
9918 set arc [lindex $arcnos($a) 0]
9919 if {[info exists arcend($arc)]} {
9920 set aend $arcend($arc)
9921 } else {
9922 set aend {}
9923 }
9924 set a $arcstart($arc)
9925 } else {
9926 set aend $a
9927 }
9928 if {![info exists arcout($b)]} {
9929 set arc [lindex $arcnos($b) 0]
9930 if {[info exists arcend($arc)]} {
9931 set bend $arcend($arc)
9932 } else {
9933 set bend {}
9934 }
9935 set b $arcstart($arc)
9936 } else {
9937 set bend $b
9938 }
9939 if {$a eq $bend} {
9940 return 1
9941 }
9942 if {$b eq $aend} {
9943 return -1
9944 }
9945 if {[info exists cached_isanc($a,$bend)]} {
9946 if {$cached_isanc($a,$bend)} {
9947 return 1
9948 }
9949 }
9950 if {[info exists cached_isanc($b,$aend)]} {
9951 if {$cached_isanc($b,$aend)} {
9952 return -1
9953 }
9954 if {[info exists cached_isanc($a,$bend)]} {
9955 return 0
9956 }
9957 }
9958
9959 set todo [list $a $b]
9960 set anc($a) a
9961 set anc($b) b
9962 for {set i 0} {$i < [llength $todo]} {incr i} {
9963 set x [lindex $todo $i]
9964 if {$anc($x) eq {}} {
9965 continue
9966 }
9967 foreach arc $arcnos($x) {
9968 set xd $arcstart($arc)
9969 if {$xd eq $bend} {
9970 set cached_isanc($a,$bend) 1
9971 set cached_isanc($b,$aend) 0
9972 return 1
9973 } elseif {$xd eq $aend} {
9974 set cached_isanc($b,$aend) 1
9975 set cached_isanc($a,$bend) 0
9976 return -1
9977 }
9978 if {![info exists anc($xd)]} {
9979 set anc($xd) $anc($x)
9980 lappend todo $xd
9981 } elseif {$anc($xd) ne $anc($x)} {
9982 set anc($xd) {}
9983 }
9984 }
9985 }
9986 set cached_isanc($a,$bend) 0
9987 set cached_isanc($b,$aend) 0
9988 return 0
9989}
9990
9991# This identifies whether $desc has an ancestor that is
9992# a growing tip of the graph and which is not an ancestor of $anc
9993# and returns 0 if so and 1 if not.
9994# If we subsequently discover a tag on such a growing tip, and that
9995# turns out to be a descendent of $anc (which it could, since we
9996# don't necessarily see children before parents), then $desc
9997# isn't a good choice to display as a descendent tag of
9998# $anc (since it is the descendent of another tag which is
9999# a descendent of $anc). Similarly, $anc isn't a good choice to
10000# display as a ancestor tag of $desc.
10001#
10002proc is_certain {desc anc} {
10003 global arcnos arcout arcstart arcend growing problems
10004
10005 set certain {}
10006 if {[llength $arcnos($anc)] == 1} {
10007 # tags on the same arc are certain
10008 if {$arcnos($desc) eq $arcnos($anc)} {
10009 return 1
10010 }
10011 if {![info exists arcout($anc)]} {
10012 # if $anc is partway along an arc, use the start of the arc instead
10013 set a [lindex $arcnos($anc) 0]
10014 set anc $arcstart($a)
10015 }
10016 }
10017 if {[llength $arcnos($desc)] > 1 || [info exists arcout($desc)]} {
10018 set x $desc
10019 } else {
10020 set a [lindex $arcnos($desc) 0]
10021 set x $arcend($a)
10022 }
10023 if {$x == $anc} {
10024 return 1
10025 }
10026 set anclist [list $x]
10027 set dl($x) 1
10028 set nnh 1
10029 set ngrowanc 0
10030 for {set i 0} {$i < [llength $anclist] && ($nnh > 0 || $ngrowanc > 0)} {incr i} {
10031 set x [lindex $anclist $i]
10032 if {$dl($x)} {
10033 incr nnh -1
10034 }
10035 set done($x) 1
10036 foreach a $arcout($x) {
10037 if {[info exists growing($a)]} {
10038 if {![info exists growanc($x)] && $dl($x)} {
10039 set growanc($x) 1
10040 incr ngrowanc
10041 }
10042 } else {
10043 set y $arcend($a)
10044 if {[info exists dl($y)]} {
10045 if {$dl($y)} {
10046 if {!$dl($x)} {
10047 set dl($y) 0
10048 if {![info exists done($y)]} {
10049 incr nnh -1
10050 }
10051 if {[info exists growanc($x)]} {
10052 incr ngrowanc -1
10053 }
10054 set xl [list $y]
10055 for {set k 0} {$k < [llength $xl]} {incr k} {
10056 set z [lindex $xl $k]
10057 foreach c $arcout($z) {
10058 if {[info exists arcend($c)]} {
10059 set v $arcend($c)
10060 if {[info exists dl($v)] && $dl($v)} {
10061 set dl($v) 0
10062 if {![info exists done($v)]} {
10063 incr nnh -1
10064 }
10065 if {[info exists growanc($v)]} {
10066 incr ngrowanc -1
10067 }
10068 lappend xl $v
10069 }
10070 }
10071 }
10072 }
10073 }
10074 }
10075 } elseif {$y eq $anc || !$dl($x)} {
10076 set dl($y) 0
10077 lappend anclist $y
10078 } else {
10079 set dl($y) 1
10080 lappend anclist $y
10081 incr nnh
10082 }
10083 }
10084 }
10085 }
10086 foreach x [array names growanc] {
10087 if {$dl($x)} {
10088 return 0
10089 }
10090 return 0
10091 }
10092 return 1
10093}
10094
10095proc validate_arctags {a} {
10096 global arctags idtags
10097
10098 set i -1
10099 set na $arctags($a)
10100 foreach id $arctags($a) {
10101 incr i
10102 if {![info exists idtags($id)]} {
10103 set na [lreplace $na $i $i]
10104 incr i -1
10105 }
10106 }
10107 set arctags($a) $na
10108}
10109
10110proc validate_archeads {a} {
10111 global archeads idheads
10112
10113 set i -1
10114 set na $archeads($a)
10115 foreach id $archeads($a) {
10116 incr i
10117 if {![info exists idheads($id)]} {
10118 set na [lreplace $na $i $i]
10119 incr i -1
10120 }
10121 }
10122 set archeads($a) $na
10123}
10124
10125# Return the list of IDs that have tags that are descendents of id,
10126# ignoring IDs that are descendents of IDs already reported.
10127proc desctags {id} {
10128 global arcnos arcstart arcids arctags idtags allparents
10129 global growing cached_dtags
10130
10131 if {![info exists allparents($id)]} {
10132 return {}
10133 }
10134 set t1 [clock clicks -milliseconds]
10135 set argid $id
10136 if {[llength $arcnos($id)] == 1 && [llength $allparents($id)] == 1} {
10137 # part-way along an arc; check that arc first
10138 set a [lindex $arcnos($id) 0]
10139 if {$arctags($a) ne {}} {
10140 validate_arctags $a
10141 set i [lsearch -exact $arcids($a) $id]
10142 set tid {}
10143 foreach t $arctags($a) {
10144 set j [lsearch -exact $arcids($a) $t]
10145 if {$j >= $i} break
10146 set tid $t
10147 }
10148 if {$tid ne {}} {
10149 return $tid
10150 }
10151 }
10152 set id $arcstart($a)
10153 if {[info exists idtags($id)]} {
10154 return $id
10155 }
10156 }
10157 if {[info exists cached_dtags($id)]} {
10158 return $cached_dtags($id)
10159 }
10160
10161 set origid $id
10162 set todo [list $id]
10163 set queued($id) 1
10164 set nc 1
10165 for {set i 0} {$i < [llength $todo] && $nc > 0} {incr i} {
10166 set id [lindex $todo $i]
10167 set done($id) 1
10168 set ta [info exists hastaggedancestor($id)]
10169 if {!$ta} {
10170 incr nc -1
10171 }
10172 # ignore tags on starting node
10173 if {!$ta && $i > 0} {
10174 if {[info exists idtags($id)]} {
10175 set tagloc($id) $id
10176 set ta 1
10177 } elseif {[info exists cached_dtags($id)]} {
10178 set tagloc($id) $cached_dtags($id)
10179 set ta 1
10180 }
10181 }
10182 foreach a $arcnos($id) {
10183 set d $arcstart($a)
10184 if {!$ta && $arctags($a) ne {}} {
10185 validate_arctags $a
10186 if {$arctags($a) ne {}} {
10187 lappend tagloc($id) [lindex $arctags($a) end]
10188 }
10189 }
10190 if {$ta || $arctags($a) ne {}} {
10191 set tomark [list $d]
10192 for {set j 0} {$j < [llength $tomark]} {incr j} {
10193 set dd [lindex $tomark $j]
10194 if {![info exists hastaggedancestor($dd)]} {
10195 if {[info exists done($dd)]} {
10196 foreach b $arcnos($dd) {
10197 lappend tomark $arcstart($b)
10198 }
10199 if {[info exists tagloc($dd)]} {
10200 unset tagloc($dd)
10201 }
10202 } elseif {[info exists queued($dd)]} {
10203 incr nc -1
10204 }
10205 set hastaggedancestor($dd) 1
10206 }
10207 }
10208 }
10209 if {![info exists queued($d)]} {
10210 lappend todo $d
10211 set queued($d) 1
10212 if {![info exists hastaggedancestor($d)]} {
10213 incr nc
10214 }
10215 }
10216 }
10217 }
10218 set tags {}
10219 foreach id [array names tagloc] {
10220 if {![info exists hastaggedancestor($id)]} {
10221 foreach t $tagloc($id) {
10222 if {[lsearch -exact $tags $t] < 0} {
10223 lappend tags $t
10224 }
10225 }
10226 }
10227 }
10228 set t2 [clock clicks -milliseconds]
10229 set loopix $i
10230
10231 # remove tags that are descendents of other tags
10232 for {set i 0} {$i < [llength $tags]} {incr i} {
10233 set a [lindex $tags $i]
10234 for {set j 0} {$j < $i} {incr j} {
10235 set b [lindex $tags $j]
10236 set r [anc_or_desc $a $b]
10237 if {$r == 1} {
10238 set tags [lreplace $tags $j $j]
10239 incr j -1
10240 incr i -1
10241 } elseif {$r == -1} {
10242 set tags [lreplace $tags $i $i]
10243 incr i -1
10244 break
10245 }
10246 }
10247 }
10248
10249 if {[array names growing] ne {}} {
10250 # graph isn't finished, need to check if any tag could get
10251 # eclipsed by another tag coming later. Simply ignore any
10252 # tags that could later get eclipsed.
10253 set ctags {}
10254 foreach t $tags {
10255 if {[is_certain $t $origid]} {
10256 lappend ctags $t
10257 }
10258 }
10259 if {$tags eq $ctags} {
10260 set cached_dtags($origid) $tags
10261 } else {
10262 set tags $ctags
10263 }
10264 } else {
10265 set cached_dtags($origid) $tags
10266 }
10267 set t3 [clock clicks -milliseconds]
10268 if {0 && $t3 - $t1 >= 100} {
10269 puts "iterating descendents ($loopix/[llength $todo] nodes) took\
10270 [expr {$t2-$t1}]+[expr {$t3-$t2}]ms, $nc candidates left"
10271 }
10272 return $tags
10273}
10274
10275proc anctags {id} {
10276 global arcnos arcids arcout arcend arctags idtags allparents
10277 global growing cached_atags
10278
10279 if {![info exists allparents($id)]} {
10280 return {}
10281 }
10282 set t1 [clock clicks -milliseconds]
10283 set argid $id
10284 if {[llength $arcnos($id)] == 1 && [llength $allparents($id)] == 1} {
10285 # part-way along an arc; check that arc first
10286 set a [lindex $arcnos($id) 0]
10287 if {$arctags($a) ne {}} {
10288 validate_arctags $a
10289 set i [lsearch -exact $arcids($a) $id]
10290 foreach t $arctags($a) {
10291 set j [lsearch -exact $arcids($a) $t]
10292 if {$j > $i} {
10293 return $t
10294 }
10295 }
10296 }
10297 if {![info exists arcend($a)]} {
10298 return {}
10299 }
10300 set id $arcend($a)
10301 if {[info exists idtags($id)]} {
10302 return $id
10303 }
10304 }
10305 if {[info exists cached_atags($id)]} {
10306 return $cached_atags($id)
10307 }
10308
10309 set origid $id
10310 set todo [list $id]
10311 set queued($id) 1
10312 set taglist {}
10313 set nc 1
10314 for {set i 0} {$i < [llength $todo] && $nc > 0} {incr i} {
10315 set id [lindex $todo $i]
10316 set done($id) 1
10317 set td [info exists hastaggeddescendent($id)]
10318 if {!$td} {
10319 incr nc -1
10320 }
10321 # ignore tags on starting node
10322 if {!$td && $i > 0} {
10323 if {[info exists idtags($id)]} {
10324 set tagloc($id) $id
10325 set td 1
10326 } elseif {[info exists cached_atags($id)]} {
10327 set tagloc($id) $cached_atags($id)
10328 set td 1
10329 }
10330 }
10331 foreach a $arcout($id) {
10332 if {!$td && $arctags($a) ne {}} {
10333 validate_arctags $a
10334 if {$arctags($a) ne {}} {
10335 lappend tagloc($id) [lindex $arctags($a) 0]
10336 }
10337 }
10338 if {![info exists arcend($a)]} continue
10339 set d $arcend($a)
10340 if {$td || $arctags($a) ne {}} {
10341 set tomark [list $d]
10342 for {set j 0} {$j < [llength $tomark]} {incr j} {
10343 set dd [lindex $tomark $j]
10344 if {![info exists hastaggeddescendent($dd)]} {
10345 if {[info exists done($dd)]} {
10346 foreach b $arcout($dd) {
10347 if {[info exists arcend($b)]} {
10348 lappend tomark $arcend($b)
10349 }
10350 }
10351 if {[info exists tagloc($dd)]} {
10352 unset tagloc($dd)
10353 }
10354 } elseif {[info exists queued($dd)]} {
10355 incr nc -1
10356 }
10357 set hastaggeddescendent($dd) 1
10358 }
10359 }
10360 }
10361 if {![info exists queued($d)]} {
10362 lappend todo $d
10363 set queued($d) 1
10364 if {![info exists hastaggeddescendent($d)]} {
10365 incr nc
10366 }
10367 }
10368 }
10369 }
10370 set t2 [clock clicks -milliseconds]
10371 set loopix $i
10372 set tags {}
10373 foreach id [array names tagloc] {
10374 if {![info exists hastaggeddescendent($id)]} {
10375 foreach t $tagloc($id) {
10376 if {[lsearch -exact $tags $t] < 0} {
10377 lappend tags $t
10378 }
10379 }
10380 }
10381 }
10382
10383 # remove tags that are ancestors of other tags
10384 for {set i 0} {$i < [llength $tags]} {incr i} {
10385 set a [lindex $tags $i]
10386 for {set j 0} {$j < $i} {incr j} {
10387 set b [lindex $tags $j]
10388 set r [anc_or_desc $a $b]
10389 if {$r == -1} {
10390 set tags [lreplace $tags $j $j]
10391 incr j -1
10392 incr i -1
10393 } elseif {$r == 1} {
10394 set tags [lreplace $tags $i $i]
10395 incr i -1
10396 break
10397 }
10398 }
10399 }
10400
10401 if {[array names growing] ne {}} {
10402 # graph isn't finished, need to check if any tag could get
10403 # eclipsed by another tag coming later. Simply ignore any
10404 # tags that could later get eclipsed.
10405 set ctags {}
10406 foreach t $tags {
10407 if {[is_certain $origid $t]} {
10408 lappend ctags $t
10409 }
10410 }
10411 if {$tags eq $ctags} {
10412 set cached_atags($origid) $tags
10413 } else {
10414 set tags $ctags
10415 }
10416 } else {
10417 set cached_atags($origid) $tags
10418 }
10419 set t3 [clock clicks -milliseconds]
10420 if {0 && $t3 - $t1 >= 100} {
10421 puts "iterating ancestors ($loopix/[llength $todo] nodes) took\
10422 [expr {$t2-$t1}]+[expr {$t3-$t2}]ms, $nc candidates left"
10423 }
10424 return $tags
10425}
10426
10427# Return the list of IDs that have heads that are descendents of id,
10428# including id itself if it has a head.
10429proc descheads {id} {
10430 global arcnos arcstart arcids archeads idheads cached_dheads
10431 global allparents
10432
10433 if {![info exists allparents($id)]} {
10434 return {}
10435 }
10436 set aret {}
10437 if {[llength $arcnos($id)] == 1 && [llength $allparents($id)] == 1} {
10438 # part-way along an arc; check it first
10439 set a [lindex $arcnos($id) 0]
10440 if {$archeads($a) ne {}} {
10441 validate_archeads $a
10442 set i [lsearch -exact $arcids($a) $id]
10443 foreach t $archeads($a) {
10444 set j [lsearch -exact $arcids($a) $t]
10445 if {$j > $i} break
10446 lappend aret $t
10447 }
10448 }
10449 set id $arcstart($a)
10450 }
10451 set origid $id
10452 set todo [list $id]
10453 set seen($id) 1
10454 set ret {}
10455 for {set i 0} {$i < [llength $todo]} {incr i} {
10456 set id [lindex $todo $i]
10457 if {[info exists cached_dheads($id)]} {
10458 set ret [concat $ret $cached_dheads($id)]
10459 } else {
10460 if {[info exists idheads($id)]} {
10461 lappend ret $id
10462 }
10463 foreach a $arcnos($id) {
10464 if {$archeads($a) ne {}} {
10465 validate_archeads $a
10466 if {$archeads($a) ne {}} {
10467 set ret [concat $ret $archeads($a)]
10468 }
10469 }
10470 set d $arcstart($a)
10471 if {![info exists seen($d)]} {
10472 lappend todo $d
10473 set seen($d) 1
10474 }
10475 }
10476 }
10477 }
10478 set ret [lsort -unique $ret]
10479 set cached_dheads($origid) $ret
10480 return [concat $ret $aret]
10481}
10482
10483proc addedtag {id} {
10484 global arcnos arcout cached_dtags cached_atags
10485
10486 if {![info exists arcnos($id)]} return
10487 if {![info exists arcout($id)]} {
10488 recalcarc [lindex $arcnos($id) 0]
10489 }
10490 catch {unset cached_dtags}
10491 catch {unset cached_atags}
10492}
10493
10494proc addedhead {hid head} {
10495 global arcnos arcout cached_dheads
10496
10497 if {![info exists arcnos($hid)]} return
10498 if {![info exists arcout($hid)]} {
10499 recalcarc [lindex $arcnos($hid) 0]
10500 }
10501 catch {unset cached_dheads}
10502}
10503
10504proc removedhead {hid head} {
10505 global cached_dheads
10506
10507 catch {unset cached_dheads}
10508}
10509
10510proc movedhead {hid head} {
10511 global arcnos arcout cached_dheads
10512
10513 if {![info exists arcnos($hid)]} return
10514 if {![info exists arcout($hid)]} {
10515 recalcarc [lindex $arcnos($hid) 0]
10516 }
10517 catch {unset cached_dheads}
10518}
10519
10520proc changedrefs {} {
10521 global cached_dheads cached_dtags cached_atags
10522 global arctags archeads arcnos arcout idheads idtags
10523
10524 foreach id [concat [array names idheads] [array names idtags]] {
10525 if {[info exists arcnos($id)] && ![info exists arcout($id)]} {
10526 set a [lindex $arcnos($id) 0]
10527 if {![info exists donearc($a)]} {
10528 recalcarc $a
10529 set donearc($a) 1
10530 }
10531 }
10532 }
10533 catch {unset cached_dtags}
10534 catch {unset cached_atags}
10535 catch {unset cached_dheads}
10536}
10537
10538proc rereadrefs {} {
10539 global idtags idheads idotherrefs mainheadid
10540
10541 set refids [concat [array names idtags] \
10542 [array names idheads] [array names idotherrefs]]
10543 foreach id $refids {
10544 if {![info exists ref($id)]} {
10545 set ref($id) [listrefs $id]
10546 }
10547 }
10548 set oldmainhead $mainheadid
10549 readrefs
10550 changedrefs
10551 set refids [lsort -unique [concat $refids [array names idtags] \
10552 [array names idheads] [array names idotherrefs]]]
10553 foreach id $refids {
10554 set v [listrefs $id]
10555 if {![info exists ref($id)] || $ref($id) != $v} {
10556 redrawtags $id
10557 }
10558 }
10559 if {$oldmainhead ne $mainheadid} {
10560 redrawtags $oldmainhead
10561 redrawtags $mainheadid
10562 }
10563 run refill_reflist
10564}
10565
10566proc listrefs {id} {
10567 global idtags idheads idotherrefs
10568
10569 set x {}
10570 if {[info exists idtags($id)]} {
10571 set x $idtags($id)
10572 }
10573 set y {}
10574 if {[info exists idheads($id)]} {
10575 set y $idheads($id)
10576 }
10577 set z {}
10578 if {[info exists idotherrefs($id)]} {
10579 set z $idotherrefs($id)
10580 }
10581 return [list $x $y $z]
10582}
10583
10584proc showtag {tag isnew} {
10585 global ctext tagcontents tagids linknum tagobjid
10586
10587 if {$isnew} {
10588 addtohistory [list showtag $tag 0] savectextpos
10589 }
10590 $ctext conf -state normal
10591 clear_ctext
10592 settabs 0
10593 set linknum 0
10594 if {![info exists tagcontents($tag)]} {
10595 catch {
10596 set tagcontents($tag) [exec git cat-file tag $tag]
10597 }
10598 }
10599 if {[info exists tagcontents($tag)]} {
10600 set text $tagcontents($tag)
10601 } else {
10602 set text "[mc "Tag"]: $tag\n[mc "Id"]: $tagids($tag)"
10603 }
10604 appendwithlinks $text {}
10605 maybe_scroll_ctext 1
10606 $ctext conf -state disabled
10607 init_flist {}
10608}
10609
10610proc doquit {} {
10611 global stopped
10612 global gitktmpdir
10613
10614 set stopped 100
10615 savestuff .
10616 destroy .
10617
10618 if {[info exists gitktmpdir]} {
10619 catch {file delete -force $gitktmpdir}
10620 }
10621}
10622
10623proc mkfontdisp {font top which} {
10624 global fontattr fontpref $font NS use_ttk
10625
10626 set fontpref($font) [set $font]
10627 ${NS}::button $top.${font}but -text $which \
10628 -command [list choosefont $font $which]
10629 ${NS}::label $top.$font -relief flat -font $font \
10630 -text $fontattr($font,family) -justify left
10631 grid x $top.${font}but $top.$font -sticky w
10632}
10633
10634proc choosefont {font which} {
10635 global fontparam fontlist fonttop fontattr
10636 global prefstop NS
10637
10638 set fontparam(which) $which
10639 set fontparam(font) $font
10640 set fontparam(family) [font actual $font -family]
10641 set fontparam(size) $fontattr($font,size)
10642 set fontparam(weight) $fontattr($font,weight)
10643 set fontparam(slant) $fontattr($font,slant)
10644 set top .gitkfont
10645 set fonttop $top
10646 if {![winfo exists $top]} {
10647 font create sample
10648 eval font config sample [font actual $font]
10649 ttk_toplevel $top
10650 make_transient $top $prefstop
10651 wm title $top [mc "Gitk font chooser"]
10652 ${NS}::label $top.l -textvariable fontparam(which)
10653 pack $top.l -side top
10654 set fontlist [lsort [font families]]
10655 ${NS}::frame $top.f
10656 listbox $top.f.fam -listvariable fontlist \
10657 -yscrollcommand [list $top.f.sb set]
10658 bind $top.f.fam <<ListboxSelect>> selfontfam
10659 ${NS}::scrollbar $top.f.sb -command [list $top.f.fam yview]
10660 pack $top.f.sb -side right -fill y
10661 pack $top.f.fam -side left -fill both -expand 1
10662 pack $top.f -side top -fill both -expand 1
10663 ${NS}::frame $top.g
10664 spinbox $top.g.size -from 4 -to 40 -width 4 \
10665 -textvariable fontparam(size) \
10666 -validatecommand {string is integer -strict %s}
10667 checkbutton $top.g.bold -padx 5 \
10668 -font {{Times New Roman} 12 bold} -text [mc "B"] -indicatoron 0 \
10669 -variable fontparam(weight) -onvalue bold -offvalue normal
10670 checkbutton $top.g.ital -padx 5 \
10671 -font {{Times New Roman} 12 italic} -text [mc "I"] -indicatoron 0 \
10672 -variable fontparam(slant) -onvalue italic -offvalue roman
10673 pack $top.g.size $top.g.bold $top.g.ital -side left
10674 pack $top.g -side top
10675 canvas $top.c -width 150 -height 50 -border 2 -relief sunk \
10676 -background white
10677 $top.c create text 100 25 -anchor center -text $which -font sample \
10678 -fill black -tags text
10679 bind $top.c <Configure> [list centertext $top.c]
10680 pack $top.c -side top -fill x
10681 ${NS}::frame $top.buts
10682 ${NS}::button $top.buts.ok -text [mc "OK"] -command fontok -default active
10683 ${NS}::button $top.buts.can -text [mc "Cancel"] -command fontcan -default normal
10684 bind $top <Key-Return> fontok
10685 bind $top <Key-Escape> fontcan
10686 grid $top.buts.ok $top.buts.can
10687 grid columnconfigure $top.buts 0 -weight 1 -uniform a
10688 grid columnconfigure $top.buts 1 -weight 1 -uniform a
10689 pack $top.buts -side bottom -fill x
10690 trace add variable fontparam write chg_fontparam
10691 } else {
10692 raise $top
10693 $top.c itemconf text -text $which
10694 }
10695 set i [lsearch -exact $fontlist $fontparam(family)]
10696 if {$i >= 0} {
10697 $top.f.fam selection set $i
10698 $top.f.fam see $i
10699 }
10700}
10701
10702proc centertext {w} {
10703 $w coords text [expr {[winfo width $w] / 2}] [expr {[winfo height $w] / 2}]
10704}
10705
10706proc fontok {} {
10707 global fontparam fontpref prefstop
10708
10709 set f $fontparam(font)
10710 set fontpref($f) [list $fontparam(family) $fontparam(size)]
10711 if {$fontparam(weight) eq "bold"} {
10712 lappend fontpref($f) "bold"
10713 }
10714 if {$fontparam(slant) eq "italic"} {
10715 lappend fontpref($f) "italic"
10716 }
10717 set w $prefstop.$f
10718 $w conf -text $fontparam(family) -font $fontpref($f)
10719
10720 fontcan
10721}
10722
10723proc fontcan {} {
10724 global fonttop fontparam
10725
10726 if {[info exists fonttop]} {
10727 catch {destroy $fonttop}
10728 catch {font delete sample}
10729 unset fonttop
10730 unset fontparam
10731 }
10732}
10733
10734if {[package vsatisfies [package provide Tk] 8.6]} {
10735 # In Tk 8.6 we have a native font chooser dialog. Overwrite the above
10736 # function to make use of it.
10737 proc choosefont {font which} {
10738 tk fontchooser configure -title $which -font $font \
10739 -command [list on_choosefont $font $which]
10740 tk fontchooser show
10741 }
10742 proc on_choosefont {font which newfont} {
10743 global fontparam
10744 puts stderr "$font $newfont"
10745 array set f [font actual $newfont]
10746 set fontparam(which) $which
10747 set fontparam(font) $font
10748 set fontparam(family) $f(-family)
10749 set fontparam(size) $f(-size)
10750 set fontparam(weight) $f(-weight)
10751 set fontparam(slant) $f(-slant)
10752 fontok
10753 }
10754}
10755
10756proc selfontfam {} {
10757 global fonttop fontparam
10758
10759 set i [$fonttop.f.fam curselection]
10760 if {$i ne {}} {
10761 set fontparam(family) [$fonttop.f.fam get $i]
10762 }
10763}
10764
10765proc chg_fontparam {v sub op} {
10766 global fontparam
10767
10768 font config sample -$sub $fontparam($sub)
10769}
10770
10771proc doprefs {} {
10772 global maxwidth maxgraphpct use_ttk NS
10773 global oldprefs prefstop showneartags showlocalchanges
10774 global uicolor bgcolor fgcolor ctext diffcolors selectbgcolor markbgcolor
10775 global tabstop limitdiffs autoselect autosellen extdifftool perfile_attrs
10776 global hideremotes want_ttk have_ttk
10777
10778 set top .gitkprefs
10779 set prefstop $top
10780 if {[winfo exists $top]} {
10781 raise $top
10782 return
10783 }
10784 foreach v {maxwidth maxgraphpct showneartags showlocalchanges \
10785 limitdiffs tabstop perfile_attrs hideremotes want_ttk} {
10786 set oldprefs($v) [set $v]
10787 }
10788 ttk_toplevel $top
10789 wm title $top [mc "Gitk preferences"]
10790 make_transient $top .
10791 ${NS}::label $top.ldisp -text [mc "Commit list display options"]
10792 grid $top.ldisp - -sticky w -pady 10
10793 ${NS}::label $top.spacer -text " "
10794 ${NS}::label $top.maxwidthl -text [mc "Maximum graph width (lines)"]
10795 spinbox $top.maxwidth -from 0 -to 100 -width 4 -textvariable maxwidth
10796 grid $top.spacer $top.maxwidthl $top.maxwidth -sticky w
10797 ${NS}::label $top.maxpctl -text [mc "Maximum graph width (% of pane)"]
10798 spinbox $top.maxpct -from 1 -to 100 -width 4 -textvariable maxgraphpct
10799 grid x $top.maxpctl $top.maxpct -sticky w
10800 ${NS}::checkbutton $top.showlocal -text [mc "Show local changes"] \
10801 -variable showlocalchanges
10802 grid x $top.showlocal -sticky w
10803 ${NS}::checkbutton $top.autoselect -text [mc "Auto-select SHA1 (length)"] \
10804 -variable autoselect
10805 spinbox $top.autosellen -from 1 -to 40 -width 4 -textvariable autosellen
10806 grid x $top.autoselect $top.autosellen -sticky w
10807 ${NS}::checkbutton $top.hideremotes -text [mc "Hide remote refs"] \
10808 -variable hideremotes
10809 grid x $top.hideremotes -sticky w
10810
10811 ${NS}::label $top.ddisp -text [mc "Diff display options"]
10812 grid $top.ddisp - -sticky w -pady 10
10813 ${NS}::label $top.tabstopl -text [mc "Tab spacing"]
10814 spinbox $top.tabstop -from 1 -to 20 -width 4 -textvariable tabstop
10815 grid x $top.tabstopl $top.tabstop -sticky w
10816 ${NS}::checkbutton $top.ntag -text [mc "Display nearby tags"] \
10817 -variable showneartags
10818 grid x $top.ntag -sticky w
10819 ${NS}::checkbutton $top.ldiff -text [mc "Limit diffs to listed paths"] \
10820 -variable limitdiffs
10821 grid x $top.ldiff -sticky w
10822 ${NS}::checkbutton $top.lattr -text [mc "Support per-file encodings"] \
10823 -variable perfile_attrs
10824 grid x $top.lattr -sticky w
10825
10826 ${NS}::entry $top.extdifft -textvariable extdifftool
10827 ${NS}::frame $top.extdifff
10828 ${NS}::label $top.extdifff.l -text [mc "External diff tool" ]
10829 ${NS}::button $top.extdifff.b -text [mc "Choose..."] -command choose_extdiff
10830 pack $top.extdifff.l $top.extdifff.b -side left
10831 pack configure $top.extdifff.l -padx 10
10832 grid x $top.extdifff $top.extdifft -sticky ew
10833
10834 ${NS}::label $top.lgen -text [mc "General options"]
10835 grid $top.lgen - -sticky w -pady 10
10836 ${NS}::checkbutton $top.want_ttk -variable want_ttk \
10837 -text [mc "Use themed widgets"]
10838 if {$have_ttk} {
10839 ${NS}::label $top.ttk_note -text [mc "(change requires restart)"]
10840 } else {
10841 ${NS}::label $top.ttk_note -text [mc "(currently unavailable)"]
10842 }
10843 grid x $top.want_ttk $top.ttk_note -sticky w
10844
10845 ${NS}::label $top.cdisp -text [mc "Colors: press to choose"]
10846 grid $top.cdisp - -sticky w -pady 10
10847 label $top.ui -padx 40 -relief sunk -background $uicolor
10848 ${NS}::button $top.uibut -text [mc "Interface"] \
10849 -command [list choosecolor uicolor {} $top.ui [mc "interface"] setui]
10850 grid x $top.uibut $top.ui -sticky w
10851 label $top.bg -padx 40 -relief sunk -background $bgcolor
10852 ${NS}::button $top.bgbut -text [mc "Background"] \
10853 -command [list choosecolor bgcolor {} $top.bg [mc "background"] setbg]
10854 grid x $top.bgbut $top.bg -sticky w
10855 label $top.fg -padx 40 -relief sunk -background $fgcolor
10856 ${NS}::button $top.fgbut -text [mc "Foreground"] \
10857 -command [list choosecolor fgcolor {} $top.fg [mc "foreground"] setfg]
10858 grid x $top.fgbut $top.fg -sticky w
10859 label $top.diffold -padx 40 -relief sunk -background [lindex $diffcolors 0]
10860 ${NS}::button $top.diffoldbut -text [mc "Diff: old lines"] \
10861 -command [list choosecolor diffcolors 0 $top.diffold [mc "diff old lines"] \
10862 [list $ctext tag conf d0 -foreground]]
10863 grid x $top.diffoldbut $top.diffold -sticky w
10864 label $top.diffnew -padx 40 -relief sunk -background [lindex $diffcolors 1]
10865 ${NS}::button $top.diffnewbut -text [mc "Diff: new lines"] \
10866 -command [list choosecolor diffcolors 1 $top.diffnew [mc "diff new lines"] \
10867 [list $ctext tag conf dresult -foreground]]
10868 grid x $top.diffnewbut $top.diffnew -sticky w
10869 label $top.hunksep -padx 40 -relief sunk -background [lindex $diffcolors 2]
10870 ${NS}::button $top.hunksepbut -text [mc "Diff: hunk header"] \
10871 -command [list choosecolor diffcolors 2 $top.hunksep \
10872 [mc "diff hunk header"] \
10873 [list $ctext tag conf hunksep -foreground]]
10874 grid x $top.hunksepbut $top.hunksep -sticky w
10875 label $top.markbgsep -padx 40 -relief sunk -background $markbgcolor
10876 ${NS}::button $top.markbgbut -text [mc "Marked line bg"] \
10877 -command [list choosecolor markbgcolor {} $top.markbgsep \
10878 [mc "marked line background"] \
10879 [list $ctext tag conf omark -background]]
10880 grid x $top.markbgbut $top.markbgsep -sticky w
10881 label $top.selbgsep -padx 40 -relief sunk -background $selectbgcolor
10882 ${NS}::button $top.selbgbut -text [mc "Select bg"] \
10883 -command [list choosecolor selectbgcolor {} $top.selbgsep [mc "background"] setselbg]
10884 grid x $top.selbgbut $top.selbgsep -sticky w
10885
10886 ${NS}::label $top.cfont -text [mc "Fonts: press to choose"]
10887 grid $top.cfont - -sticky w -pady 10
10888 mkfontdisp mainfont $top [mc "Main font"]
10889 mkfontdisp textfont $top [mc "Diff display font"]
10890 mkfontdisp uifont $top [mc "User interface font"]
10891
10892 ${NS}::frame $top.buts
10893 ${NS}::button $top.buts.ok -text [mc "OK"] -command prefsok -default active
10894 ${NS}::button $top.buts.can -text [mc "Cancel"] -command prefscan -default normal
10895 bind $top <Key-Return> prefsok
10896 bind $top <Key-Escape> prefscan
10897 grid $top.buts.ok $top.buts.can
10898 grid columnconfigure $top.buts 0 -weight 1 -uniform a
10899 grid columnconfigure $top.buts 1 -weight 1 -uniform a
10900 grid $top.buts - - -pady 10 -sticky ew
10901 grid columnconfigure $top 2 -weight 1
10902 bind $top <Visibility> "focus $top.buts.ok"
10903}
10904
10905proc choose_extdiff {} {
10906 global extdifftool
10907
10908 set prog [tk_getOpenFile -title [mc "External diff tool"] -multiple false]
10909 if {$prog ne {}} {
10910 set extdifftool $prog
10911 }
10912}
10913
10914proc choosecolor {v vi w x cmd} {
10915 global $v
10916
10917 set c [tk_chooseColor -initialcolor [lindex [set $v] $vi] \
10918 -title [mc "Gitk: choose color for %s" $x]]
10919 if {$c eq {}} return
10920 $w conf -background $c
10921 lset $v $vi $c
10922 eval $cmd $c
10923}
10924
10925proc setselbg {c} {
10926 global bglist cflist
10927 foreach w $bglist {
10928 $w configure -selectbackground $c
10929 }
10930 $cflist tag configure highlight \
10931 -background [$cflist cget -selectbackground]
10932 allcanvs itemconf secsel -fill $c
10933}
10934
10935# This sets the background color and the color scheme for the whole UI.
10936# For some reason, tk_setPalette chooses a nasty dark red for selectColor
10937# if we don't specify one ourselves, which makes the checkbuttons and
10938# radiobuttons look bad. This chooses white for selectColor if the
10939# background color is light, or black if it is dark.
10940proc setui {c} {
10941 if {[tk windowingsystem] eq "win32"} { return }
10942 set bg [winfo rgb . $c]
10943 set selc black
10944 if {[lindex $bg 0] + 1.5 * [lindex $bg 1] + 0.5 * [lindex $bg 2] > 100000} {
10945 set selc white
10946 }
10947 tk_setPalette background $c selectColor $selc
10948}
10949
10950proc setbg {c} {
10951 global bglist
10952
10953 foreach w $bglist {
10954 $w conf -background $c
10955 }
10956}
10957
10958proc setfg {c} {
10959 global fglist canv
10960
10961 foreach w $fglist {
10962 $w conf -foreground $c
10963 }
10964 allcanvs itemconf text -fill $c
10965 $canv itemconf circle -outline $c
10966 $canv itemconf markid -outline $c
10967}
10968
10969proc prefscan {} {
10970 global oldprefs prefstop
10971
10972 foreach v {maxwidth maxgraphpct showneartags showlocalchanges \
10973 limitdiffs tabstop perfile_attrs hideremotes want_ttk} {
10974 global $v
10975 set $v $oldprefs($v)
10976 }
10977 catch {destroy $prefstop}
10978 unset prefstop
10979 fontcan
10980}
10981
10982proc prefsok {} {
10983 global maxwidth maxgraphpct
10984 global oldprefs prefstop showneartags showlocalchanges
10985 global fontpref mainfont textfont uifont
10986 global limitdiffs treediffs perfile_attrs
10987 global hideremotes
10988
10989 catch {destroy $prefstop}
10990 unset prefstop
10991 fontcan
10992 set fontchanged 0
10993 if {$mainfont ne $fontpref(mainfont)} {
10994 set mainfont $fontpref(mainfont)
10995 parsefont mainfont $mainfont
10996 eval font configure mainfont [fontflags mainfont]
10997 eval font configure mainfontbold [fontflags mainfont 1]
10998 setcoords
10999 set fontchanged 1
11000 }
11001 if {$textfont ne $fontpref(textfont)} {
11002 set textfont $fontpref(textfont)
11003 parsefont textfont $textfont
11004 eval font configure textfont [fontflags textfont]
11005 eval font configure textfontbold [fontflags textfont 1]
11006 }
11007 if {$uifont ne $fontpref(uifont)} {
11008 set uifont $fontpref(uifont)
11009 parsefont uifont $uifont
11010 eval font configure uifont [fontflags uifont]
11011 }
11012 settabs
11013 if {$showlocalchanges != $oldprefs(showlocalchanges)} {
11014 if {$showlocalchanges} {
11015 doshowlocalchanges
11016 } else {
11017 dohidelocalchanges
11018 }
11019 }
11020 if {$limitdiffs != $oldprefs(limitdiffs) ||
11021 ($perfile_attrs && !$oldprefs(perfile_attrs))} {
11022 # treediffs elements are limited by path;
11023 # won't have encodings cached if perfile_attrs was just turned on
11024 catch {unset treediffs}
11025 }
11026 if {$fontchanged || $maxwidth != $oldprefs(maxwidth)
11027 || $maxgraphpct != $oldprefs(maxgraphpct)} {
11028 redisplay
11029 } elseif {$showneartags != $oldprefs(showneartags) ||
11030 $limitdiffs != $oldprefs(limitdiffs)} {
11031 reselectline
11032 }
11033 if {$hideremotes != $oldprefs(hideremotes)} {
11034 rereadrefs
11035 }
11036}
11037
11038proc formatdate {d} {
11039 global datetimeformat
11040 if {$d ne {}} {
11041 set d [clock format [lindex $d 0] -format $datetimeformat]
11042 }
11043 return $d
11044}
11045
11046# This list of encoding names and aliases is distilled from
11047# http://www.iana.org/assignments/character-sets.
11048# Not all of them are supported by Tcl.
11049set encoding_aliases {
11050 { ANSI_X3.4-1968 iso-ir-6 ANSI_X3.4-1986 ISO_646.irv:1991 ASCII
11051 ISO646-US US-ASCII us IBM367 cp367 csASCII }
11052 { ISO-10646-UTF-1 csISO10646UTF1 }
11053 { ISO_646.basic:1983 ref csISO646basic1983 }
11054 { INVARIANT csINVARIANT }
11055 { ISO_646.irv:1983 iso-ir-2 irv csISO2IntlRefVersion }
11056 { BS_4730 iso-ir-4 ISO646-GB gb uk csISO4UnitedKingdom }
11057 { NATS-SEFI iso-ir-8-1 csNATSSEFI }
11058 { NATS-SEFI-ADD iso-ir-8-2 csNATSSEFIADD }
11059 { NATS-DANO iso-ir-9-1 csNATSDANO }
11060 { NATS-DANO-ADD iso-ir-9-2 csNATSDANOADD }
11061 { SEN_850200_B iso-ir-10 FI ISO646-FI ISO646-SE se csISO10Swedish }
11062 { SEN_850200_C iso-ir-11 ISO646-SE2 se2 csISO11SwedishForNames }
11063 { KS_C_5601-1987 iso-ir-149 KS_C_5601-1989 KSC_5601 korean csKSC56011987 }
11064 { ISO-2022-KR csISO2022KR }
11065 { EUC-KR csEUCKR }
11066 { ISO-2022-JP csISO2022JP }
11067 { ISO-2022-JP-2 csISO2022JP2 }
11068 { JIS_C6220-1969-jp JIS_C6220-1969 iso-ir-13 katakana x0201-7
11069 csISO13JISC6220jp }
11070 { JIS_C6220-1969-ro iso-ir-14 jp ISO646-JP csISO14JISC6220ro }
11071 { IT iso-ir-15 ISO646-IT csISO15Italian }
11072 { PT iso-ir-16 ISO646-PT csISO16Portuguese }
11073 { ES iso-ir-17 ISO646-ES csISO17Spanish }
11074 { greek7-old iso-ir-18 csISO18Greek7Old }
11075 { latin-greek iso-ir-19 csISO19LatinGreek }
11076 { DIN_66003 iso-ir-21 de ISO646-DE csISO21German }
11077 { NF_Z_62-010_(1973) iso-ir-25 ISO646-FR1 csISO25French }
11078 { Latin-greek-1 iso-ir-27 csISO27LatinGreek1 }
11079 { ISO_5427 iso-ir-37 csISO5427Cyrillic }
11080 { JIS_C6226-1978 iso-ir-42 csISO42JISC62261978 }
11081 { BS_viewdata iso-ir-47 csISO47BSViewdata }
11082 { INIS iso-ir-49 csISO49INIS }
11083 { INIS-8 iso-ir-50 csISO50INIS8 }
11084 { INIS-cyrillic iso-ir-51 csISO51INISCyrillic }
11085 { ISO_5427:1981 iso-ir-54 ISO5427Cyrillic1981 }
11086 { ISO_5428:1980 iso-ir-55 csISO5428Greek }
11087 { GB_1988-80 iso-ir-57 cn ISO646-CN csISO57GB1988 }
11088 { GB_2312-80 iso-ir-58 chinese csISO58GB231280 }
11089 { NS_4551-1 iso-ir-60 ISO646-NO no csISO60DanishNorwegian
11090 csISO60Norwegian1 }
11091 { NS_4551-2 ISO646-NO2 iso-ir-61 no2 csISO61Norwegian2 }
11092 { NF_Z_62-010 iso-ir-69 ISO646-FR fr csISO69French }
11093 { videotex-suppl iso-ir-70 csISO70VideotexSupp1 }
11094 { PT2 iso-ir-84 ISO646-PT2 csISO84Portuguese2 }
11095 { ES2 iso-ir-85 ISO646-ES2 csISO85Spanish2 }
11096 { MSZ_7795.3 iso-ir-86 ISO646-HU hu csISO86Hungarian }
11097 { JIS_C6226-1983 iso-ir-87 x0208 JIS_X0208-1983 csISO87JISX0208 }
11098 { greek7 iso-ir-88 csISO88Greek7 }
11099 { ASMO_449 ISO_9036 arabic7 iso-ir-89 csISO89ASMO449 }
11100 { iso-ir-90 csISO90 }
11101 { JIS_C6229-1984-a iso-ir-91 jp-ocr-a csISO91JISC62291984a }
11102 { JIS_C6229-1984-b iso-ir-92 ISO646-JP-OCR-B jp-ocr-b
11103 csISO92JISC62991984b }
11104 { JIS_C6229-1984-b-add iso-ir-93 jp-ocr-b-add csISO93JIS62291984badd }
11105 { JIS_C6229-1984-hand iso-ir-94 jp-ocr-hand csISO94JIS62291984hand }
11106 { JIS_C6229-1984-hand-add iso-ir-95 jp-ocr-hand-add
11107 csISO95JIS62291984handadd }
11108 { JIS_C6229-1984-kana iso-ir-96 csISO96JISC62291984kana }
11109 { ISO_2033-1983 iso-ir-98 e13b csISO2033 }
11110 { ANSI_X3.110-1983 iso-ir-99 CSA_T500-1983 NAPLPS csISO99NAPLPS }
11111 { ISO_8859-1:1987 iso-ir-100 ISO_8859-1 ISO-8859-1 latin1 l1 IBM819
11112 CP819 csISOLatin1 }
11113 { ISO_8859-2:1987 iso-ir-101 ISO_8859-2 ISO-8859-2 latin2 l2 csISOLatin2 }
11114 { T.61-7bit iso-ir-102 csISO102T617bit }
11115 { T.61-8bit T.61 iso-ir-103 csISO103T618bit }
11116 { ISO_8859-3:1988 iso-ir-109 ISO_8859-3 ISO-8859-3 latin3 l3 csISOLatin3 }
11117 { ISO_8859-4:1988 iso-ir-110 ISO_8859-4 ISO-8859-4 latin4 l4 csISOLatin4 }
11118 { ECMA-cyrillic iso-ir-111 KOI8-E csISO111ECMACyrillic }
11119 { CSA_Z243.4-1985-1 iso-ir-121 ISO646-CA csa7-1 ca csISO121Canadian1 }
11120 { CSA_Z243.4-1985-2 iso-ir-122 ISO646-CA2 csa7-2 csISO122Canadian2 }
11121 { CSA_Z243.4-1985-gr iso-ir-123 csISO123CSAZ24341985gr }
11122 { ISO_8859-6:1987 iso-ir-127 ISO_8859-6 ISO-8859-6 ECMA-114 ASMO-708
11123 arabic csISOLatinArabic }
11124 { ISO_8859-6-E csISO88596E ISO-8859-6-E }
11125 { ISO_8859-6-I csISO88596I ISO-8859-6-I }
11126 { ISO_8859-7:1987 iso-ir-126 ISO_8859-7 ISO-8859-7 ELOT_928 ECMA-118
11127 greek greek8 csISOLatinGreek }
11128 { T.101-G2 iso-ir-128 csISO128T101G2 }
11129 { ISO_8859-8:1988 iso-ir-138 ISO_8859-8 ISO-8859-8 hebrew
11130 csISOLatinHebrew }
11131 { ISO_8859-8-E csISO88598E ISO-8859-8-E }
11132 { ISO_8859-8-I csISO88598I ISO-8859-8-I }
11133 { CSN_369103 iso-ir-139 csISO139CSN369103 }
11134 { JUS_I.B1.002 iso-ir-141 ISO646-YU js yu csISO141JUSIB1002 }
11135 { ISO_6937-2-add iso-ir-142 csISOTextComm }
11136 { IEC_P27-1 iso-ir-143 csISO143IECP271 }
11137 { ISO_8859-5:1988 iso-ir-144 ISO_8859-5 ISO-8859-5 cyrillic
11138 csISOLatinCyrillic }
11139 { JUS_I.B1.003-serb iso-ir-146 serbian csISO146Serbian }
11140 { JUS_I.B1.003-mac macedonian iso-ir-147 csISO147Macedonian }
11141 { ISO_8859-9:1989 iso-ir-148 ISO_8859-9 ISO-8859-9 latin5 l5 csISOLatin5 }
11142 { greek-ccitt iso-ir-150 csISO150 csISO150GreekCCITT }
11143 { NC_NC00-10:81 cuba iso-ir-151 ISO646-CU csISO151Cuba }
11144 { ISO_6937-2-25 iso-ir-152 csISO6937Add }
11145 { GOST_19768-74 ST_SEV_358-88 iso-ir-153 csISO153GOST1976874 }
11146 { ISO_8859-supp iso-ir-154 latin1-2-5 csISO8859Supp }
11147 { ISO_10367-box iso-ir-155 csISO10367Box }
11148 { ISO-8859-10 iso-ir-157 l6 ISO_8859-10:1992 csISOLatin6 latin6 }
11149 { latin-lap lap iso-ir-158 csISO158Lap }
11150 { JIS_X0212-1990 x0212 iso-ir-159 csISO159JISX02121990 }
11151 { DS_2089 DS2089 ISO646-DK dk csISO646Danish }
11152 { us-dk csUSDK }
11153 { dk-us csDKUS }
11154 { JIS_X0201 X0201 csHalfWidthKatakana }
11155 { KSC5636 ISO646-KR csKSC5636 }
11156 { ISO-10646-UCS-2 csUnicode }
11157 { ISO-10646-UCS-4 csUCS4 }
11158 { DEC-MCS dec csDECMCS }
11159 { hp-roman8 roman8 r8 csHPRoman8 }
11160 { macintosh mac csMacintosh }
11161 { IBM037 cp037 ebcdic-cp-us ebcdic-cp-ca ebcdic-cp-wt ebcdic-cp-nl
11162 csIBM037 }
11163 { IBM038 EBCDIC-INT cp038 csIBM038 }
11164 { IBM273 CP273 csIBM273 }
11165 { IBM274 EBCDIC-BE CP274 csIBM274 }
11166 { IBM275 EBCDIC-BR cp275 csIBM275 }
11167 { IBM277 EBCDIC-CP-DK EBCDIC-CP-NO csIBM277 }
11168 { IBM278 CP278 ebcdic-cp-fi ebcdic-cp-se csIBM278 }
11169 { IBM280 CP280 ebcdic-cp-it csIBM280 }
11170 { IBM281 EBCDIC-JP-E cp281 csIBM281 }
11171 { IBM284 CP284 ebcdic-cp-es csIBM284 }
11172 { IBM285 CP285 ebcdic-cp-gb csIBM285 }
11173 { IBM290 cp290 EBCDIC-JP-kana csIBM290 }
11174 { IBM297 cp297 ebcdic-cp-fr csIBM297 }
11175 { IBM420 cp420 ebcdic-cp-ar1 csIBM420 }
11176 { IBM423 cp423 ebcdic-cp-gr csIBM423 }
11177 { IBM424 cp424 ebcdic-cp-he csIBM424 }
11178 { IBM437 cp437 437 csPC8CodePage437 }
11179 { IBM500 CP500 ebcdic-cp-be ebcdic-cp-ch csIBM500 }
11180 { IBM775 cp775 csPC775Baltic }
11181 { IBM850 cp850 850 csPC850Multilingual }
11182 { IBM851 cp851 851 csIBM851 }
11183 { IBM852 cp852 852 csPCp852 }
11184 { IBM855 cp855 855 csIBM855 }
11185 { IBM857 cp857 857 csIBM857 }
11186 { IBM860 cp860 860 csIBM860 }
11187 { IBM861 cp861 861 cp-is csIBM861 }
11188 { IBM862 cp862 862 csPC862LatinHebrew }
11189 { IBM863 cp863 863 csIBM863 }
11190 { IBM864 cp864 csIBM864 }
11191 { IBM865 cp865 865 csIBM865 }
11192 { IBM866 cp866 866 csIBM866 }
11193 { IBM868 CP868 cp-ar csIBM868 }
11194 { IBM869 cp869 869 cp-gr csIBM869 }
11195 { IBM870 CP870 ebcdic-cp-roece ebcdic-cp-yu csIBM870 }
11196 { IBM871 CP871 ebcdic-cp-is csIBM871 }
11197 { IBM880 cp880 EBCDIC-Cyrillic csIBM880 }
11198 { IBM891 cp891 csIBM891 }
11199 { IBM903 cp903 csIBM903 }
11200 { IBM904 cp904 904 csIBBM904 }
11201 { IBM905 CP905 ebcdic-cp-tr csIBM905 }
11202 { IBM918 CP918 ebcdic-cp-ar2 csIBM918 }
11203 { IBM1026 CP1026 csIBM1026 }
11204 { EBCDIC-AT-DE csIBMEBCDICATDE }
11205 { EBCDIC-AT-DE-A csEBCDICATDEA }
11206 { EBCDIC-CA-FR csEBCDICCAFR }
11207 { EBCDIC-DK-NO csEBCDICDKNO }
11208 { EBCDIC-DK-NO-A csEBCDICDKNOA }
11209 { EBCDIC-FI-SE csEBCDICFISE }
11210 { EBCDIC-FI-SE-A csEBCDICFISEA }
11211 { EBCDIC-FR csEBCDICFR }
11212 { EBCDIC-IT csEBCDICIT }
11213 { EBCDIC-PT csEBCDICPT }
11214 { EBCDIC-ES csEBCDICES }
11215 { EBCDIC-ES-A csEBCDICESA }
11216 { EBCDIC-ES-S csEBCDICESS }
11217 { EBCDIC-UK csEBCDICUK }
11218 { EBCDIC-US csEBCDICUS }
11219 { UNKNOWN-8BIT csUnknown8BiT }
11220 { MNEMONIC csMnemonic }
11221 { MNEM csMnem }
11222 { VISCII csVISCII }
11223 { VIQR csVIQR }
11224 { KOI8-R csKOI8R }
11225 { IBM00858 CCSID00858 CP00858 PC-Multilingual-850+euro }
11226 { IBM00924 CCSID00924 CP00924 ebcdic-Latin9--euro }
11227 { IBM01140 CCSID01140 CP01140 ebcdic-us-37+euro }
11228 { IBM01141 CCSID01141 CP01141 ebcdic-de-273+euro }
11229 { IBM01142 CCSID01142 CP01142 ebcdic-dk-277+euro ebcdic-no-277+euro }
11230 { IBM01143 CCSID01143 CP01143 ebcdic-fi-278+euro ebcdic-se-278+euro }
11231 { IBM01144 CCSID01144 CP01144 ebcdic-it-280+euro }
11232 { IBM01145 CCSID01145 CP01145 ebcdic-es-284+euro }
11233 { IBM01146 CCSID01146 CP01146 ebcdic-gb-285+euro }
11234 { IBM01147 CCSID01147 CP01147 ebcdic-fr-297+euro }
11235 { IBM01148 CCSID01148 CP01148 ebcdic-international-500+euro }
11236 { IBM01149 CCSID01149 CP01149 ebcdic-is-871+euro }
11237 { IBM1047 IBM-1047 }
11238 { PTCP154 csPTCP154 PT154 CP154 Cyrillic-Asian }
11239 { Amiga-1251 Ami1251 Amiga1251 Ami-1251 }
11240 { UNICODE-1-1 csUnicode11 }
11241 { CESU-8 csCESU-8 }
11242 { BOCU-1 csBOCU-1 }
11243 { UNICODE-1-1-UTF-7 csUnicode11UTF7 }
11244 { ISO-8859-14 iso-ir-199 ISO_8859-14:1998 ISO_8859-14 latin8 iso-celtic
11245 l8 }
11246 { ISO-8859-15 ISO_8859-15 Latin-9 }
11247 { ISO-8859-16 iso-ir-226 ISO_8859-16:2001 ISO_8859-16 latin10 l10 }
11248 { GBK CP936 MS936 windows-936 }
11249 { JIS_Encoding csJISEncoding }
11250 { Shift_JIS MS_Kanji csShiftJIS ShiftJIS Shift-JIS }
11251 { Extended_UNIX_Code_Packed_Format_for_Japanese csEUCPkdFmtJapanese
11252 EUC-JP }
11253 { Extended_UNIX_Code_Fixed_Width_for_Japanese csEUCFixWidJapanese }
11254 { ISO-10646-UCS-Basic csUnicodeASCII }
11255 { ISO-10646-Unicode-Latin1 csUnicodeLatin1 ISO-10646 }
11256 { ISO-Unicode-IBM-1261 csUnicodeIBM1261 }
11257 { ISO-Unicode-IBM-1268 csUnicodeIBM1268 }
11258 { ISO-Unicode-IBM-1276 csUnicodeIBM1276 }
11259 { ISO-Unicode-IBM-1264 csUnicodeIBM1264 }
11260 { ISO-Unicode-IBM-1265 csUnicodeIBM1265 }
11261 { ISO-8859-1-Windows-3.0-Latin-1 csWindows30Latin1 }
11262 { ISO-8859-1-Windows-3.1-Latin-1 csWindows31Latin1 }
11263 { ISO-8859-2-Windows-Latin-2 csWindows31Latin2 }
11264 { ISO-8859-9-Windows-Latin-5 csWindows31Latin5 }
11265 { Adobe-Standard-Encoding csAdobeStandardEncoding }
11266 { Ventura-US csVenturaUS }
11267 { Ventura-International csVenturaInternational }
11268 { PC8-Danish-Norwegian csPC8DanishNorwegian }
11269 { PC8-Turkish csPC8Turkish }
11270 { IBM-Symbols csIBMSymbols }
11271 { IBM-Thai csIBMThai }
11272 { HP-Legal csHPLegal }
11273 { HP-Pi-font csHPPiFont }
11274 { HP-Math8 csHPMath8 }
11275 { Adobe-Symbol-Encoding csHPPSMath }
11276 { HP-DeskTop csHPDesktop }
11277 { Ventura-Math csVenturaMath }
11278 { Microsoft-Publishing csMicrosoftPublishing }
11279 { Windows-31J csWindows31J }
11280 { GB2312 csGB2312 }
11281 { Big5 csBig5 }
11282}
11283
11284proc tcl_encoding {enc} {
11285 global encoding_aliases tcl_encoding_cache
11286 if {[info exists tcl_encoding_cache($enc)]} {
11287 return $tcl_encoding_cache($enc)
11288 }
11289 set names [encoding names]
11290 set lcnames [string tolower $names]
11291 set enc [string tolower $enc]
11292 set i [lsearch -exact $lcnames $enc]
11293 if {$i < 0} {
11294 # look for "isonnn" instead of "iso-nnn" or "iso_nnn"
11295 if {[regsub {^(iso|cp|ibm|jis)[-_]} $enc {\1} encx]} {
11296 set i [lsearch -exact $lcnames $encx]
11297 }
11298 }
11299 if {$i < 0} {
11300 foreach l $encoding_aliases {
11301 set ll [string tolower $l]
11302 if {[lsearch -exact $ll $enc] < 0} continue
11303 # look through the aliases for one that tcl knows about
11304 foreach e $ll {
11305 set i [lsearch -exact $lcnames $e]
11306 if {$i < 0} {
11307 if {[regsub {^(iso|cp|ibm|jis)[-_]} $e {\1} ex]} {
11308 set i [lsearch -exact $lcnames $ex]
11309 }
11310 }
11311 if {$i >= 0} break
11312 }
11313 break
11314 }
11315 }
11316 set tclenc {}
11317 if {$i >= 0} {
11318 set tclenc [lindex $names $i]
11319 }
11320 set tcl_encoding_cache($enc) $tclenc
11321 return $tclenc
11322}
11323
11324proc gitattr {path attr default} {
11325 global path_attr_cache
11326 if {[info exists path_attr_cache($attr,$path)]} {
11327 set r $path_attr_cache($attr,$path)
11328 } else {
11329 set r "unspecified"
11330 if {![catch {set line [exec git check-attr $attr -- $path]}]} {
11331 regexp "(.*): $attr: (.*)" $line m f r
11332 }
11333 set path_attr_cache($attr,$path) $r
11334 }
11335 if {$r eq "unspecified"} {
11336 return $default
11337 }
11338 return $r
11339}
11340
11341proc cache_gitattr {attr pathlist} {
11342 global path_attr_cache
11343 set newlist {}
11344 foreach path $pathlist {
11345 if {![info exists path_attr_cache($attr,$path)]} {
11346 lappend newlist $path
11347 }
11348 }
11349 set lim 1000
11350 if {[tk windowingsystem] == "win32"} {
11351 # windows has a 32k limit on the arguments to a command...
11352 set lim 30
11353 }
11354 while {$newlist ne {}} {
11355 set head [lrange $newlist 0 [expr {$lim - 1}]]
11356 set newlist [lrange $newlist $lim end]
11357 if {![catch {set rlist [eval exec git check-attr $attr -- $head]}]} {
11358 foreach row [split $rlist "\n"] {
11359 if {[regexp "(.*): $attr: (.*)" $row m path value]} {
11360 if {[string index $path 0] eq "\""} {
11361 set path [encoding convertfrom [lindex $path 0]]
11362 }
11363 set path_attr_cache($attr,$path) $value
11364 }
11365 }
11366 }
11367 }
11368}
11369
11370proc get_path_encoding {path} {
11371 global gui_encoding perfile_attrs
11372 set tcl_enc $gui_encoding
11373 if {$path ne {} && $perfile_attrs} {
11374 set enc2 [tcl_encoding [gitattr $path encoding $tcl_enc]]
11375 if {$enc2 ne {}} {
11376 set tcl_enc $enc2
11377 }
11378 }
11379 return $tcl_enc
11380}
11381
11382# First check that Tcl/Tk is recent enough
11383if {[catch {package require Tk 8.4} err]} {
11384 show_error {} . "Sorry, gitk cannot run with this version of Tcl/Tk.\n\
11385 Gitk requires at least Tcl/Tk 8.4." list
11386 exit 1
11387}
11388
11389# defaults...
11390set wrcomcmd "git diff-tree --stdin -p --pretty"
11391
11392set gitencoding {}
11393catch {
11394 set gitencoding [exec git config --get i18n.commitencoding]
11395}
11396catch {
11397 set gitencoding [exec git config --get i18n.logoutputencoding]
11398}
11399if {$gitencoding == ""} {
11400 set gitencoding "utf-8"
11401}
11402set tclencoding [tcl_encoding $gitencoding]
11403if {$tclencoding == {}} {
11404 puts stderr "Warning: encoding $gitencoding is not supported by Tcl/Tk"
11405}
11406
11407set gui_encoding [encoding system]
11408catch {
11409 set enc [exec git config --get gui.encoding]
11410 if {$enc ne {}} {
11411 set tclenc [tcl_encoding $enc]
11412 if {$tclenc ne {}} {
11413 set gui_encoding $tclenc
11414 } else {
11415 puts stderr "Warning: encoding $enc is not supported by Tcl/Tk"
11416 }
11417 }
11418}
11419
11420if {[tk windowingsystem] eq "aqua"} {
11421 set mainfont {{Lucida Grande} 9}
11422 set textfont {Monaco 9}
11423 set uifont {{Lucida Grande} 9 bold}
11424} else {
11425 set mainfont {Helvetica 9}
11426 set textfont {Courier 9}
11427 set uifont {Helvetica 9 bold}
11428}
11429set tabstop 8
11430set findmergefiles 0
11431set maxgraphpct 50
11432set maxwidth 16
11433set revlistorder 0
11434set fastdate 0
11435set uparrowlen 5
11436set downarrowlen 5
11437set mingaplen 100
11438set cmitmode "patch"
11439set wrapcomment "none"
11440set showneartags 1
11441set hideremotes 0
11442set maxrefs 20
11443set maxlinelen 200
11444set showlocalchanges 1
11445set limitdiffs 1
11446set datetimeformat "%Y-%m-%d %H:%M:%S"
11447set autoselect 1
11448set autosellen 40
11449set perfile_attrs 0
11450set want_ttk 1
11451
11452if {[tk windowingsystem] eq "aqua"} {
11453 set extdifftool "opendiff"
11454} else {
11455 set extdifftool "meld"
11456}
11457
11458set colors {green red blue magenta darkgrey brown orange}
11459if {[tk windowingsystem] eq "win32"} {
11460 set uicolor SystemButtonFace
11461 set bgcolor SystemWindow
11462 set fgcolor SystemButtonText
11463 set selectbgcolor SystemHighlight
11464} else {
11465 set uicolor grey85
11466 set bgcolor white
11467 set fgcolor black
11468 set selectbgcolor gray85
11469}
11470set diffcolors {red "#00a000" blue}
11471set diffcontext 3
11472set ignorespace 0
11473set worddiff ""
11474set markbgcolor "#e0e0ff"
11475
11476set circlecolors {white blue gray blue blue}
11477
11478# button for popping up context menus
11479if {[tk windowingsystem] eq "aqua"} {
11480 set ctxbut <Button-2>
11481} else {
11482 set ctxbut <Button-3>
11483}
11484
11485## For msgcat loading, first locate the installation location.
11486if { [info exists ::env(GITK_MSGSDIR)] } {
11487 ## Msgsdir was manually set in the environment.
11488 set gitk_msgsdir $::env(GITK_MSGSDIR)
11489} else {
11490 ## Let's guess the prefix from argv0.
11491 set gitk_prefix [file dirname [file dirname [file normalize $argv0]]]
11492 set gitk_libdir [file join $gitk_prefix share gitk lib]
11493 set gitk_msgsdir [file join $gitk_libdir msgs]
11494 unset gitk_prefix
11495}
11496
11497## Internationalization (i18n) through msgcat and gettext. See
11498## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
11499package require msgcat
11500namespace import ::msgcat::mc
11501## And eventually load the actual message catalog
11502::msgcat::mcload $gitk_msgsdir
11503
11504catch {source ~/.gitk}
11505
11506parsefont mainfont $mainfont
11507eval font create mainfont [fontflags mainfont]
11508eval font create mainfontbold [fontflags mainfont 1]
11509
11510parsefont textfont $textfont
11511eval font create textfont [fontflags textfont]
11512eval font create textfontbold [fontflags textfont 1]
11513
11514parsefont uifont $uifont
11515eval font create uifont [fontflags uifont]
11516
11517setui $uicolor
11518
11519setoptions
11520
11521# check that we can find a .git directory somewhere...
11522if {[catch {set gitdir [exec git rev-parse --git-dir]}]} {
11523 show_error {} . [mc "Cannot find a git repository here."]
11524 exit 1
11525}
11526
11527set selecthead {}
11528set selectheadid {}
11529
11530set revtreeargs {}
11531set cmdline_files {}
11532set i 0
11533set revtreeargscmd {}
11534foreach arg $argv {
11535 switch -glob -- $arg {
11536 "" { }
11537 "--" {
11538 set cmdline_files [lrange $argv [expr {$i + 1}] end]
11539 break
11540 }
11541 "--select-commit=*" {
11542 set selecthead [string range $arg 16 end]
11543 }
11544 "--argscmd=*" {
11545 set revtreeargscmd [string range $arg 10 end]
11546 }
11547 default {
11548 lappend revtreeargs $arg
11549 }
11550 }
11551 incr i
11552}
11553
11554if {$selecthead eq "HEAD"} {
11555 set selecthead {}
11556}
11557
11558if {$i >= [llength $argv] && $revtreeargs ne {}} {
11559 # no -- on command line, but some arguments (other than --argscmd)
11560 if {[catch {
11561 set f [eval exec git rev-parse --no-revs --no-flags $revtreeargs]
11562 set cmdline_files [split $f "\n"]
11563 set n [llength $cmdline_files]
11564 set revtreeargs [lrange $revtreeargs 0 end-$n]
11565 # Unfortunately git rev-parse doesn't produce an error when
11566 # something is both a revision and a filename. To be consistent
11567 # with git log and git rev-list, check revtreeargs for filenames.
11568 foreach arg $revtreeargs {
11569 if {[file exists $arg]} {
11570 show_error {} . [mc "Ambiguous argument '%s': both revision\
11571 and filename" $arg]
11572 exit 1
11573 }
11574 }
11575 } err]} {
11576 # unfortunately we get both stdout and stderr in $err,
11577 # so look for "fatal:".
11578 set i [string first "fatal:" $err]
11579 if {$i > 0} {
11580 set err [string range $err [expr {$i + 6}] end]
11581 }
11582 show_error {} . "[mc "Bad arguments to gitk:"]\n$err"
11583 exit 1
11584 }
11585}
11586
11587set nullid "0000000000000000000000000000000000000000"
11588set nullid2 "0000000000000000000000000000000000000001"
11589set nullfile "/dev/null"
11590
11591set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
11592if {![info exists have_ttk]} {
11593 set have_ttk [llength [info commands ::ttk::style]]
11594}
11595set use_ttk [expr {$have_ttk && $want_ttk}]
11596set NS [expr {$use_ttk ? "ttk" : ""}]
11597
11598regexp {^git version ([\d.]*\d)} [exec git version] _ git_version
11599
11600set show_notes {}
11601if {[package vcompare $git_version "1.6.6.2"] >= 0} {
11602 set show_notes "--show-notes"
11603}
11604
11605set runq {}
11606set history {}
11607set historyindex 0
11608set fh_serial 0
11609set nhl_names {}
11610set highlight_paths {}
11611set findpattern {}
11612set searchdirn -forwards
11613set boldids {}
11614set boldnameids {}
11615set diffelide {0 0}
11616set markingmatches 0
11617set linkentercount 0
11618set need_redisplay 0
11619set nrows_drawn 0
11620set firsttabstop 0
11621
11622set nextviewnum 1
11623set curview 0
11624set selectedview 0
11625set selectedhlview [mc "None"]
11626set highlight_related [mc "None"]
11627set highlight_files {}
11628set viewfiles(0) {}
11629set viewperm(0) 0
11630set viewargs(0) {}
11631set viewargscmd(0) {}
11632
11633set selectedline {}
11634set numcommits 0
11635set loginstance 0
11636set cmdlineok 0
11637set stopped 0
11638set stuffsaved 0
11639set patchnum 0
11640set lserial 0
11641set hasworktree [hasworktree]
11642set cdup {}
11643if {[expr {[exec git rev-parse --is-inside-work-tree] == "true"}]} {
11644 set cdup [exec git rev-parse --show-cdup]
11645}
11646set worktree [exec git rev-parse --show-toplevel]
11647setcoords
11648makewindow
11649catch {
11650 image create photo gitlogo -width 16 -height 16
11651
11652 image create photo gitlogominus -width 4 -height 2
11653 gitlogominus put #C00000 -to 0 0 4 2
11654 gitlogo copy gitlogominus -to 1 5
11655 gitlogo copy gitlogominus -to 6 5
11656 gitlogo copy gitlogominus -to 11 5
11657 image delete gitlogominus
11658
11659 image create photo gitlogoplus -width 4 -height 4
11660 gitlogoplus put #008000 -to 1 0 3 4
11661 gitlogoplus put #008000 -to 0 1 4 3
11662 gitlogo copy gitlogoplus -to 1 9
11663 gitlogo copy gitlogoplus -to 6 9
11664 gitlogo copy gitlogoplus -to 11 9
11665 image delete gitlogoplus
11666
11667 image create photo gitlogo32 -width 32 -height 32
11668 gitlogo32 copy gitlogo -zoom 2 2
11669
11670 wm iconphoto . -default gitlogo gitlogo32
11671}
11672# wait for the window to become visible
11673tkwait visibility .
11674wm title . "[file tail $argv0]: [file tail [pwd]]"
11675update
11676readrefs
11677
11678if {$cmdline_files ne {} || $revtreeargs ne {} || $revtreeargscmd ne {}} {
11679 # create a view for the files/dirs specified on the command line
11680 set curview 1
11681 set selectedview 1
11682 set nextviewnum 2
11683 set viewname(1) [mc "Command line"]
11684 set viewfiles(1) $cmdline_files
11685 set viewargs(1) $revtreeargs
11686 set viewargscmd(1) $revtreeargscmd
11687 set viewperm(1) 0
11688 set vdatemode(1) 0
11689 addviewmenu 1
11690 .bar.view entryconf [mca "Edit view..."] -state normal
11691 .bar.view entryconf [mca "Delete view"] -state normal
11692}
11693
11694if {[info exists permviews]} {
11695 foreach v $permviews {
11696 set n $nextviewnum
11697 incr nextviewnum
11698 set viewname($n) [lindex $v 0]
11699 set viewfiles($n) [lindex $v 1]
11700 set viewargs($n) [lindex $v 2]
11701 set viewargscmd($n) [lindex $v 3]
11702 set viewperm($n) 1
11703 addviewmenu $n
11704 }
11705}
11706
11707if {[tk windowingsystem] eq "win32"} {
11708 focus -force .
11709}
11710
11711getcommits {}
11712
11713# Local variables:
11714# mode: tcl
11715# indent-tabs-mode: t
11716# tab-width: 8
11717# End: