1# git-gui blame viewer
2# Copyright (C) 2006, 2007 Shawn Pearce
3class blame {
5image create photo ::blame::img_back_arrow -data {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}
7# Persistant data (survives loads)
9#
10field history {}; # viewer history: {commit path}
11field header ; # array commit,key -> header field
12# Tk UI control paths
14#
15field w ; # top window in this viewer
16field w_back ; # our back button
17field w_path ; # label showing the current file path
18field w_columns ; # list of all column widgets in the viewer
19field w_line ; # text column: all line numbers
20field w_amov ; # text column: annotations + move tracking
21field w_asim ; # text column: annotations (simple computation)
22field w_file ; # text column: actual file data
23field w_cviewer ; # pane showing commit message
24field status ; # text variable bound to status bar
25field old_height ; # last known height of $w.file_pane
26# Tk UI colors
28#
29field active_color #c0edc5
30field group_colors {
31 #d6d6d6
32 #e1e1e1
33 #ececec
34}
35# Current blame data; cleared/reset on each load
37#
38field commit ; # input commit to blame
39field path ; # input filename to view in $commit
40field current_fd {} ; # background process running
42field highlight_line -1 ; # current line selected
43field highlight_column {} ; # current commit column selected
44field highlight_commit {} ; # sha1 of commit selected
45field old_bgcolor {} ; # background of current selection
46field total_lines 0 ; # total length of file
48field blame_lines 0 ; # number of lines computed
49field have_commit ; # array commit -> 1
50field amov_data ; # list of {commit origfile origline}
51field asim_data ; # list of {commit origfile origline}
52field r_commit ; # commit currently being parsed
54field r_orig_line ; # original line number
55field r_final_line ; # final line number
56field r_line_count ; # lines in this region
57field tooltip_wm {} ; # Current tooltip toplevel, if open
59field tooltip_t {} ; # Text widget in $tooltip_wm
60field tooltip_timer {} ; # Current timer event for our tooltip
61field tooltip_commit {} ; # Commit(s) in tooltip
62constructor new {i_commit i_path} {
64 global cursor_ptr
65 set commit $i_commit
67 set path $i_path
68 make_toplevel top w
70 wm title $top "[appname] ([reponame]): File Viewer"
71 frame $w.header -background orange
73 label $w.header.commit_l \
74 -text {Commit:} \
75 -background orange \
76 -anchor w \
77 -justify left
78 set w_back $w.header.commit_b
79 label $w_back \
80 -image ::blame::img_back_arrow \
81 -borderwidth 0 \
82 -relief flat \
83 -state disabled \
84 -background orange \
85 -activebackground orange
86 bind $w_back <Button-1> "
87 if {\[$w_back cget -state\] eq {normal}} {
88 [cb _history_menu]
89 }
90 "
91 label $w.header.commit \
92 -textvariable @commit \
93 -background orange \
94 -anchor w \
95 -justify left
96 label $w.header.path_l \
97 -text {File:} \
98 -background orange \
99 -anchor w \
100 -justify left
101 set w_path $w.header.path
102 label $w_path \
103 -background orange \
104 -anchor w \
105 -justify left
106 pack $w.header.commit_l -side left
107 pack $w_back -side left
108 pack $w.header.commit -side left
109 pack $w_path -fill x -side right
110 pack $w.header.path_l -side right
111 panedwindow $w.file_pane -orient vertical
113 frame $w.file_pane.out
114 frame $w.file_pane.cm
115 $w.file_pane add $w.file_pane.out \
116 -sticky nsew \
117 -minsize 100 \
118 -height 100 \
119 -width 100
120 $w.file_pane add $w.file_pane.cm \
121 -sticky nsew \
122 -minsize 25 \
123 -height 25 \
124 -width 100
125 set w_line $w.file_pane.out.linenumber_t
127 text $w_line \
128 -takefocus 0 \
129 -highlightthickness 0 \
130 -padx 0 -pady 0 \
131 -background white -borderwidth 0 \
132 -state disabled \
133 -wrap none \
134 -height 40 \
135 -width 6 \
136 -font font_diff
137 $w_line tag conf linenumber -justify right -rmargin 5
138 set w_amov $w.file_pane.out.amove_t
140 text $w_amov \
141 -takefocus 0 \
142 -highlightthickness 0 \
143 -padx 0 -pady 0 \
144 -background white -borderwidth 0 \
145 -state disabled \
146 -wrap none \
147 -height 40 \
148 -width 5 \
149 -font font_diff
150 $w_amov tag conf author_abbr -justify right -rmargin 5
151 $w_amov tag conf curr_commit
152 $w_amov tag conf prior_commit -foreground blue -underline 1
153 $w_amov tag bind prior_commit \
154 <Button-1> \
155 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
156 set w_asim $w.file_pane.out.asimple_t
158 text $w_asim \
159 -takefocus 0 \
160 -highlightthickness 0 \
161 -padx 0 -pady 0 \
162 -background white -borderwidth 0 \
163 -state disabled \
164 -wrap none \
165 -height 40 \
166 -width 4 \
167 -font font_diff
168 $w_asim tag conf author_abbr -justify right
169 $w_asim tag conf curr_commit
170 $w_asim tag conf prior_commit -foreground blue -underline 1
171 $w_asim tag bind prior_commit \
172 <Button-1> \
173 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
174 set w_file $w.file_pane.out.file_t
176 text $w_file \
177 -takefocus 0 \
178 -highlightthickness 0 \
179 -padx 0 -pady 0 \
180 -background white -borderwidth 0 \
181 -state disabled \
182 -wrap none \
183 -height 40 \
184 -width 80 \
185 -xscrollcommand [list $w.file_pane.out.sbx set] \
186 -font font_diff
187 set w_columns [list $w_amov $w_asim $w_line $w_file]
189 scrollbar $w.file_pane.out.sbx \
191 -orient h \
192 -command [list $w_file xview]
193 scrollbar $w.file_pane.out.sby \
194 -orient v \
195 -command [list scrollbar2many $w_columns yview]
196 eval grid $w_columns $w.file_pane.out.sby -sticky nsew
197 grid conf \
198 $w.file_pane.out.sbx \
199 -column [expr {[llength $w_columns] - 1}] \
200 -sticky we
201 grid columnconfigure \
202 $w.file_pane.out \
203 [expr {[llength $w_columns] - 1}] \
204 -weight 1
205 grid rowconfigure $w.file_pane.out 0 -weight 1
206 set w_cviewer $w.file_pane.cm.t
208 text $w_cviewer \
209 -background white -borderwidth 0 \
210 -state disabled \
211 -wrap none \
212 -height 10 \
213 -width 80 \
214 -xscrollcommand [list $w.file_pane.cm.sbx set] \
215 -yscrollcommand [list $w.file_pane.cm.sby set] \
216 -font font_diff
217 $w_cviewer tag conf still_loading \
218 -font font_uiitalic \
219 -justify center
220 $w_cviewer tag conf header_key \
221 -tabs {3c} \
222 -background $active_color \
223 -font font_uibold
224 $w_cviewer tag conf header_val \
225 -background $active_color \
226 -font font_ui
227 $w_cviewer tag raise sel
228 scrollbar $w.file_pane.cm.sbx \
229 -orient h \
230 -command [list $w_cviewer xview]
231 scrollbar $w.file_pane.cm.sby \
232 -orient v \
233 -command [list $w_cviewer yview]
234 pack $w.file_pane.cm.sby -side right -fill y
235 pack $w.file_pane.cm.sbx -side bottom -fill x
236 pack $w_cviewer -expand 1 -fill both
237 frame $w.status \
239 -borderwidth 1 \
240 -relief sunken
241 label $w.status.l \
242 -textvariable @status \
243 -anchor w \
244 -justify left
245 pack $w.status.l -side left
246 menu $w.ctxm -tearoff 0
248 $w.ctxm add command \
249 -label "Copy Commit" \
250 -command [cb _copycommit]
251 foreach i $w_columns {
253 $i conf -cursor $cursor_ptr
254 $i conf -yscrollcommand [list many2scrollbar \
255 $w_columns yview $w.file_pane.out.sby]
256 bind $i <Button-1> "
257 [cb _hide_tooltip]
258 [cb _click $i @%x,%y]
259 focus $i
260 "
261 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
262 bind $i <Any-Enter> [cb _hide_tooltip]
263 bind $i <Any-Leave> [cb _hide_tooltip]
264 bind_button3 $i "
265 [cb _hide_tooltip]
266 set cursorX %x
267 set cursorY %y
268 set cursorW %W
269 tk_popup $w.ctxm %X %Y
270 "
271 }
272 foreach i [concat $w_columns $w_cviewer] {
274 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
275 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
276 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
277 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
278 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
279 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
280 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
281 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
282 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
283 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
284 }
285 bind $w_cviewer <Button-1> [list focus $w_cviewer]
287 bind $top <Visibility> [list focus $top]
288 bind $w_file <Destroy> [list delete_this $this]
289 grid configure $w.header -sticky ew
291 grid configure $w.file_pane -sticky nsew
292 grid configure $w.status -sticky ew
293 grid columnconfigure $top 0 -weight 1
294 grid rowconfigure $top 0 -weight 0
295 grid rowconfigure $top 1 -weight 1
296 grid rowconfigure $top 2 -weight 0
297 set req_w [winfo reqwidth $top]
299 set req_h [winfo reqheight $top]
300 if {$req_w < 600} {set req_w 600}
301 if {$req_h < 400} {set req_h 400}
302 set g "${req_w}x${req_h}"
303 wm geometry $top $g
304 update
305 set old_height [winfo height $w.file_pane]
307 $w.file_pane sash place 0 \
308 [lindex [$w.file_pane sash coord 0] 0] \
309 [expr {int($old_height * 0.70)}]
310 bind $w.file_pane <Configure> \
311 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
312 _load $this {}
314}
315method _load {jump} {
317 _hide_tooltip $this
318 if {$total_lines != 0 || $current_fd ne {}} {
320 if {$current_fd ne {}} {
321 catch {close $current_fd}
322 set current_fd {}
323 }
324 foreach i $w_columns {
326 $i conf -state normal
327 $i delete 0.0 end
328 foreach cmit [array names have_commit] {
329 $i tag delete g$cmit
330 }
331 $i conf -state disabled
332 }
333 $w_cviewer conf -state normal
335 $w_cviewer delete 0.0 end
336 $w_cviewer conf -state disabled
337 set highlight_line -1
339 set highlight_column {}
340 set highlight_commit {}
341 set total_lines 0
342 array unset have_commit
343 }
344 if {[winfo exists $w.status.c]} {
346 $w.status.c coords bar 0 0 0 20
347 } else {
348 canvas $w.status.c \
349 -width 100 \
350 -height [expr {int([winfo reqheight $w.status.l] * 0.6)}] \
351 -borderwidth 1 \
352 -relief groove \
353 -highlightt 0
354 $w.status.c create rectangle 0 0 0 20 -tags bar -fill navy
355 pack $w.status.c -side right
356 }
357 if {$history eq {}} {
359 $w_back conf -state disabled
360 } else {
361 $w_back conf -state normal
362 }
363 # Index 0 is always empty. There is never line 0 as
365 # we use only 1 based lines, as that matches both with
366 # git-blame output and with Tk's text widget.
367 #
368 set amov_data [list [list]]
369 set asim_data [list [list]]
370 set status "Loading $commit:[escape_path $path]..."
372 $w_path conf -text [escape_path $path]
373 if {$commit eq {}} {
374 set fd [open $path r]
375 } else {
376 set cmd [list git cat-file blob "$commit:$path"]
377 set fd [open "| $cmd" r]
378 }
379 fconfigure $fd -blocking 0 -translation lf -encoding binary
380 fileevent $fd readable [cb _read_file $fd $jump]
381 set current_fd $fd
382}
383method _history_menu {} {
385 set m $w.backmenu
386 if {[winfo exists $m]} {
387 $m delete 0 end
388 } else {
389 menu $m -tearoff 0
390 }
391 for {set i [expr {[llength $history] - 1}]
393 } {$i >= 0} {incr i -1} {
394 set e [lindex $history $i]
395 set c [lindex $e 0]
396 set f [lindex $e 1]
397 if {[regexp {^[0-9a-f]{40}$} $c]} {
399 set t [string range $c 0 8]...
400 } elseif {$c eq {}} {
401 set t {Working Directory}
402 } else {
403 set t $c
404 }
405 if {![catch {set summary $header($c,summary)}]} {
406 append t " $summary"
407 if {[string length $t] > 70} {
408 set t [string range $t 0 66]...
409 }
410 }
411 $m add command -label $t -command [cb _goback $i]
413 }
414 set X [winfo rootx $w_back]
415 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
416 tk_popup $m $X $Y
417}
418method _goback {i} {
420 set dat [lindex $history $i]
421 set history [lrange $history 0 [expr {$i - 1}]]
422 set commit [lindex $dat 0]
423 set path [lindex $dat 1]
424 _load $this [lrange $dat 2 5]
425}
426method _read_file {fd jump} {
428 if {$fd ne $current_fd} {
429 catch {close $fd}
430 return
431 }
432 foreach i $w_columns {$i conf -state normal}
434 while {[gets $fd line] >= 0} {
435 regsub "\r\$" $line {} line
436 incr total_lines
437 lappend amov_data {}
438 lappend asim_data {}
439 if {$total_lines > 1} {
441 foreach i $w_columns {$i insert end "\n"}
442 }
443 $w_line insert end "$total_lines" linenumber
445 $w_file insert end "$line"
446 }
447 set ln_wc [expr {[string length $total_lines] + 2}]
449 if {[$w_line cget -width] < $ln_wc} {
450 $w_line conf -width $ln_wc
451 }
452 foreach i $w_columns {$i conf -state disabled}
454 if {[eof $fd]} {
456 close $fd
457 # If we don't force Tk to update the widgets *right now*
459 # none of our jump commands will cause a change in the UI.
460 #
461 update
462 if {[llength $jump] == 1} {
464 set highlight_line [lindex $jump 0]
465 $w_file see "$highlight_line.0"
466 } elseif {[llength $jump] == 4} {
467 set highlight_column [lindex $jump 0]
468 set highlight_line [lindex $jump 1]
469 $w_file xview moveto [lindex $jump 2]
470 $w_file yview moveto [lindex $jump 3]
471 }
472 _exec_blame $this $w_asim @asim_data [list] {}
474 }
475} ifdeleted { catch {close $fd} }
476method _exec_blame {cur_w cur_d options cur_s} {
478 set cmd [list nice git blame]
479 set cmd [concat $cmd $options]
480 lappend cmd --incremental
481 if {$commit eq {}} {
482 lappend cmd --contents $path
483 } else {
484 lappend cmd $commit
485 }
486 lappend cmd -- $path
487 set fd [open "| $cmd" r]
488 fconfigure $fd -blocking 0 -translation lf -encoding binary
489 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d $cur_s]
490 set current_fd $fd
491 set blame_lines 0
492 _status $this $cur_s
493}
494method _read_blame {fd cur_w cur_d cur_s} {
496 upvar #0 $cur_d line_data
497 if {$fd ne $current_fd} {
499 catch {close $fd}
500 return
501 }
502 $cur_w conf -state normal
504 while {[gets $fd line] >= 0} {
505 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
506 cmit original_line final_line line_count]} {
507 set r_commit $cmit
508 set r_orig_line $original_line
509 set r_final_line $final_line
510 set r_line_count $line_count
511 if {[catch {set g $have_commit($cmit)}]} {
513 set bg [lindex $group_colors 0]
514 set group_colors [lrange $group_colors 1 end]
515 lappend group_colors $bg
516 foreach i $w_columns {
517 $i tag conf g$cmit -background $bg
518 }
519 set have_commit($cmit) 1
520 }
521 } elseif {[string match {filename *} $line]} {
522 set file [string range $line 9 end]
523 set n $r_line_count
524 set lno $r_final_line
525 set oln $r_orig_line
526 set cmit $r_commit
527 if {[regexp {^0{40}$} $cmit]} {
529 set commit_abbr work
530 set commit_type curr_commit
531 } elseif {$cmit eq $commit} {
532 set commit_abbr this
533 set commit_type curr_commit
534 } else {
535 set commit_type prior_commit
536 set commit_abbr [string range $cmit 0 3]
537 }
538 set author_abbr {}
540 set a_name {}
541 catch {set a_name $header($cmit,author)}
542 while {$a_name ne {}} {
543 if {![regexp {^([[:upper:]])} $a_name _a]} break
544 append author_abbr $_a
545 unset _a
546 if {![regsub \
547 {^[[:upper:]][^\s]*\s+} \
548 $a_name {} a_name ]} break
549 }
550 if {$author_abbr eq {}} {
551 set author_abbr { |}
552 } else {
553 set author_abbr [string range $author_abbr 0 3]
554 }
555 unset a_name
556 set first_lno $lno
558 while {
559 $first_lno > 1
560 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
561 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
562 } {
563 incr first_lno -1
564 }
565 while {$n > 0} {
567 set lno_e "$lno.0 lineend + 1c"
568 if {[lindex $line_data $lno] ne {}} {
569 set g [lindex $line_data $lno 0]
570 foreach i $w_columns {
571 $i tag remove g$g $lno.0 $lno_e
572 }
573 }
574 lset line_data $lno [list $cmit $file $oln]
575 $cur_w delete $lno.0 "$lno.0 lineend"
577 if {$lno == $first_lno} {
578 $cur_w insert $lno.0 $commit_abbr $commit_type
579 } elseif {$lno == [expr {$first_lno + 1}]} {
580 $cur_w insert $lno.0 $author_abbr author_abbr
581 } else {
582 $cur_w insert $lno.0 { |}
583 }
584 foreach i $w_columns {
586 $i tag add g$cmit $lno.0 $lno_e
587 }
588 if {$highlight_column eq $cur_w} {
590 if {$highlight_line == -1
591 && [lindex [$w_file yview] 0] == 0} {
592 $w_file see $lno.0
593 set highlight_line $lno
594 }
595 if {$highlight_line == $lno} {
596 _showcommit $this $cur_w $lno
597 }
598 }
599 incr n -1
601 incr lno
602 incr oln
603 incr blame_lines
604 }
605 while {
607 $cmit eq [lindex $line_data $lno 0]
608 && $file eq [lindex $line_data $lno 1]
609 } {
610 $cur_w delete $lno.0 "$lno.0 lineend"
611 if {$lno == $first_lno} {
613 $cur_w insert $lno.0 $commit_abbr $commit_type
614 } elseif {$lno == [expr {$first_lno + 1}]} {
615 $cur_w insert $lno.0 $author_abbr author_abbr
616 } else {
617 $cur_w insert $lno.0 { |}
618 }
619 incr lno
620 }
621 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
623 set header($r_commit,$key) $data
624 }
625 }
626 $cur_w conf -state disabled
627 if {[eof $fd]} {
629 close $fd
630 if {$cur_w eq $w_asim} {
631 _exec_blame $this $w_amov @amov_data \
632 [list -M -C -C] \
633 { move/copy tracking}
634 } else {
635 set current_fd {}
636 set status {Annotation complete.}
637 destroy $w.status.c
638 }
639 } else {
640 _status $this $cur_s
641 }
642} ifdeleted { catch {close $fd} }
643method _status {cur_s} {
645 set have $blame_lines
646 set total $total_lines
647 set pdone 0
648 if {$total} {set pdone [expr {100 * $have / $total}]}
649 set status [format \
651 "Loading%s annotations... %i of %i lines annotated (%2i%%)" \
652 $cur_s $have $total $pdone]
653 $w.status.c coords bar 0 0 $pdone 20
654}
655method _click {cur_w pos} {
657 set lno [lindex [split [$cur_w index $pos] .] 0]
658 _showcommit $this $cur_w $lno
659}
660method _load_commit {cur_w cur_d pos} {
662 upvar #0 $cur_d line_data
663 set lno [lindex [split [$cur_w index $pos] .] 0]
664 set dat [lindex $line_data $lno]
665 if {$dat ne {}} {
666 lappend history [list \
667 $commit $path \
668 $highlight_column \
669 $highlight_line \
670 [lindex [$w_file xview] 0] \
671 [lindex [$w_file yview] 0] \
672 ]
673 set commit [lindex $dat 0]
674 set path [lindex $dat 1]
675 _load $this [list [lindex $dat 2]]
676 }
677}
678method _showcommit {cur_w lno} {
680 global repo_config
681 if {$highlight_commit ne {}} {
683 foreach i $w_columns {
684 $i tag conf g$highlight_commit -background $old_bgcolor
685 $i tag lower g$highlight_commit
686 }
687 }
688 if {$cur_w eq $w_amov} {
690 set dat [lindex $amov_data $lno]
691 set highlight_column $w_amov
692 } else {
693 set dat [lindex $asim_data $lno]
694 set highlight_column $w_asim
695 }
696 $w_cviewer conf -state normal
698 $w_cviewer delete 0.0 end
699 if {$dat eq {}} {
701 set cmit {}
702 $w_cviewer insert end "Loading annotation..." still_loading
703 } else {
704 set cmit [lindex $dat 0]
705 set file [lindex $dat 1]
706 set old_bgcolor [$w_file tag cget g$cmit -background]
708 foreach i $w_columns {
709 $i tag conf g$cmit -background $active_color
710 $i tag raise g$cmit
711 }
712 set author_name {}
714 set author_email {}
715 set author_time {}
716 catch {set author_name $header($cmit,author)}
717 catch {set author_email $header($cmit,author-mail)}
718 catch {set author_time [clock format \
719 $header($cmit,author-time) \
720 -format {%Y-%m-%d %H:%M:%S}
721 ]}
722 set committer_name {}
724 set committer_email {}
725 set committer_time {}
726 catch {set committer_name $header($cmit,committer)}
727 catch {set committer_email $header($cmit,committer-mail)}
728 catch {set committer_time [clock format \
729 $header($cmit,committer-time) \
730 -format {%Y-%m-%d %H:%M:%S}
731 ]}
732 if {[catch {set msg $header($cmit,message)}]} {
734 set msg {}
735 catch {
736 set fd [open "| git cat-file commit $cmit" r]
737 fconfigure $fd -encoding binary -translation lf
738 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
739 set enc utf-8
740 }
741 while {[gets $fd line] > 0} {
742 if {[string match {encoding *} $line]} {
743 set enc [string tolower [string range $line 9 end]]
744 }
745 }
746 set msg [encoding convertfrom $enc [read $fd]]
747 set msg [string trim $msg]
748 close $fd
749 set author_name [encoding convertfrom $enc $author_name]
751 set committer_name [encoding convertfrom $enc $committer_name]
752 set header($cmit,author) $author_name
754 set header($cmit,committer) $committer_name
755 }
756 set header($cmit,message) $msg
757 }
758 $w_cviewer insert end "commit $cmit\n" header_key
760 $w_cviewer insert end "Author:\t" header_key
761 $w_cviewer insert end "$author_name $author_email" header_val
762 $w_cviewer insert end " $author_time\n" header_val
763 $w_cviewer insert end "Committer:\t" header_key
765 $w_cviewer insert end "$committer_name $committer_email" header_val
766 $w_cviewer insert end " $committer_time\n" header_val
767 if {$file ne $path} {
769 $w_cviewer insert end "Original File:\t" header_key
770 $w_cviewer insert end "[escape_path $file]\n" header_val
771 }
772 $w_cviewer insert end "\n$msg"
774 }
775 $w_cviewer conf -state disabled
776 set highlight_line $lno
778 set highlight_commit $cmit
779 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
781 _hide_tooltip $this
782 }
783}
784method _copycommit {} {
786 set pos @$::cursorX,$::cursorY
787 set lno [lindex [split [$::cursorW index $pos] .] 0]
788 set dat [lindex $amov_data $lno]
789 if {$dat ne {}} {
790 clipboard clear
791 clipboard append \
792 -format STRING \
793 -type STRING \
794 -- [lindex $dat 0]
795 }
796}
797method _show_tooltip {cur_w pos} {
799 if {$tooltip_wm ne {}} {
800 _open_tooltip $this $cur_w
801 } elseif {$tooltip_timer eq {}} {
802 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
803 }
804}
805method _open_tooltip {cur_w} {
807 set tooltip_timer {}
808 set pos_x [winfo pointerx $cur_w]
809 set pos_y [winfo pointery $cur_w]
810 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
811 _hide_tooltip $this
812 return
813 }
814 if {$tooltip_wm ne "$cur_w.tooltip"} {
816 _hide_tooltip $this
817 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
819 wm overrideredirect $tooltip_wm 1
820 wm transient $tooltip_wm [winfo toplevel $cur_w]
821 set tooltip_t $tooltip_wm.label
822 text $tooltip_t \
823 -takefocus 0 \
824 -highlightthickness 0 \
825 -relief flat \
826 -borderwidth 0 \
827 -wrap none \
828 -background lightyellow \
829 -foreground black
830 $tooltip_t tag conf section_header -font font_uibold
831 pack $tooltip_t
832 } else {
833 $tooltip_t conf -state normal
834 $tooltip_t delete 0.0 end
835 }
836 set pos @[join [list \
838 [expr {$pos_x - [winfo rootx $cur_w]}] \
839 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
840 set lno [lindex [split [$cur_w index $pos] .] 0]
841 if {$cur_w eq $w_amov} {
842 set dat [lindex $amov_data $lno]
843 set org {}
844 } else {
845 set dat [lindex $asim_data $lno]
846 set org [lindex $amov_data $lno]
847 }
848 set cmit [lindex $dat 0]
850 set tooltip_commit [list $cmit]
851 set author_name {}
853 set summary {}
854 set author_time {}
855 catch {set author_name $header($cmit,author)}
856 catch {set summary $header($cmit,summary)}
857 catch {set author_time [clock format \
858 $header($cmit,author-time) \
859 -format {%Y-%m-%d %H:%M:%S}
860 ]}
861 $tooltip_t insert end "commit $cmit\n"
863 $tooltip_t insert end "$author_name $author_time\n"
864 $tooltip_t insert end "$summary"
865 if {$org ne {} && [lindex $org 0] ne $cmit} {
867 $tooltip_t insert 0.0 "Moved Here By:\n" section_header
868 set cmit [lindex $org 0]
869 set file [lindex $org 1]
870 lappend tooltip_commit $cmit
871 set author_name {}
873 set summary {}
874 set author_time {}
875 catch {set author_name $header($cmit,author)}
876 catch {set summary $header($cmit,summary)}
877 catch {set author_time [clock format \
878 $header($cmit,author-time) \
879 -format {%Y-%m-%d %H:%M:%S}
880 ]}
881 $tooltip_t insert end "\n\n"
883 $tooltip_t insert end "Originally By:\n" section_header
884 $tooltip_t insert end "commit $cmit\n"
885 $tooltip_t insert end "$author_name $author_time\n"
886 $tooltip_t insert end "$summary"
887 if {$file ne $path} {
889 $tooltip_t insert end "\n"
890 $tooltip_t insert end "File: " section_header
891 $tooltip_t insert end $file
892 }
893 }
894 $tooltip_t conf -state disabled
896 _position_tooltip $this
897}
898method _position_tooltip {} {
900 set max_h [lindex [split [$tooltip_t index end] .] 0]
901 set max_w 0
902 for {set i 1} {$i <= $max_h} {incr i} {
903 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
904 if {$c > $max_w} {set max_w $c}
905 }
906 $tooltip_t conf -width $max_w -height $max_h
907 set req_w [winfo reqwidth $tooltip_t]
909 set req_h [winfo reqheight $tooltip_t]
910 set pos_x [expr {[winfo pointerx .] + 5}]
911 set pos_y [expr {[winfo pointery .] + 10}]
912 set g "${req_w}x${req_h}"
914 if {$pos_x >= 0} {append g +}
915 append g $pos_x
916 if {$pos_y >= 0} {append g +}
917 append g $pos_y
918 wm geometry $tooltip_wm $g
920 raise $tooltip_wm
921}
922method _hide_tooltip {} {
924 if {$tooltip_wm ne {}} {
925 destroy $tooltip_wm
926 set tooltip_wm {}
927 set tooltip_commit {}
928 }
929 if {$tooltip_timer ne {}} {
930 after cancel $tooltip_timer
931 set tooltip_timer {}
932 }
933}
934method _resize {new_height} {
936 set diff [expr {$new_height - $old_height}]
937 if {$diff == 0} return
938 set my [expr {[winfo height $w.file_pane] - 25}]
940 set o [$w.file_pane sash coord 0]
941 set ox [lindex $o 0]
942 set oy [expr {[lindex $o 1] + $diff}]
943 if {$oy < 0} {set oy 0}
944 if {$oy > $my} {set oy $my}
945 $w.file_pane sash place 0 $ox $oy
946 set old_height $new_height
948}
949}