2f7503ad6b099f0b0938aa44d5c94a2f63eddc40
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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}
7field commit ; # input commit to blame
9field path ; # input filename to view in $commit
10field history {}; # viewer history: {commit path}
11field w ; # top window in this viewer
13field w_back ; # our back button
14field w_path ; # label showing the current file path
15field w_line ; # text column: all line numbers
16field w_cgrp ; # text column: abbreviated commit SHA-1s
17field w_load ; # text column: loaded indicator
18field w_file ; # text column: actual file data
19field w_cmit ; # pane showing commit message
20field status ; # text variable bound to status bar
21field old_height ; # last known height of $w.file_pane
22field current_fd {} ; # background process running
24field highlight_line -1 ; # current line selected
25field highlight_commit {} ; # sha1 of commit selected
26field total_lines 0 ; # total length of file
28field blame_lines 0 ; # number of lines computed
29field commit_count 0 ; # number of commits in $commit_list
30field commit_list {} ; # list of commit sha1 in receipt order
31field order ; # array commit -> receipt order
32field header ; # array commit,key -> header field
33field line_commit ; # array line -> sha1 commit
34field line_file ; # array line -> file name
35field r_commit ; # commit currently being parsed
37field r_orig_line ; # original line number
38field r_final_line ; # final line number
39field r_line_count ; # lines in this region
40field tooltip_wm {} ; # Current tooltip toplevel, if open
42field tooltip_timer {} ; # Current timer event for our tooltip
43field tooltip_commit {} ; # Commit in tooltip
44field tooltip_text {} ; # Text in current tooltip
45variable active_color #98e1a0
47variable group_colors {
48 #cbcbcb
49 #e1e1e1
50}
51constructor new {i_commit i_path} {
53 variable active_color
54 global cursor_ptr
55 set commit $i_commit
57 set path $i_path
58 make_toplevel top w
60 wm title $top "[appname] ([reponame]): File Viewer"
61 frame $w.header -background orange
63 label $w.header.commit_l \
64 -text {Commit:} \
65 -background orange \
66 -anchor w \
67 -justify left
68 set w_back $w.header.commit_b
69 label $w_back \
70 -image ::blame::img_back_arrow \
71 -borderwidth 0 \
72 -relief flat \
73 -state disabled \
74 -background orange \
75 -activebackground orange
76 bind $w_back <Button-1> "
77 if {\[$w_back cget -state\] eq {normal}} {
78 [cb _history_menu]
79 }
80 "
81 label $w.header.commit \
82 -textvariable @commit \
83 -background orange \
84 -anchor w \
85 -justify left
86 label $w.header.path_l \
87 -text {File:} \
88 -background orange \
89 -anchor w \
90 -justify left
91 set w_path $w.header.path
92 label $w_path \
93 -background orange \
94 -anchor w \
95 -justify left
96 pack $w.header.commit_l -side left
97 pack $w_back -side left
98 pack $w.header.commit -side left
99 pack $w_path -fill x -side right
100 pack $w.header.path_l -side right
101 panedwindow $w.file_pane -orient vertical
103 frame $w.file_pane.out
104 frame $w.file_pane.cm
105 $w.file_pane add $w.file_pane.out \
106 -sticky nsew \
107 -minsize 100 \
108 -height 100 \
109 -width 100
110 $w.file_pane add $w.file_pane.cm \
111 -sticky nsew \
112 -minsize 25 \
113 -height 25 \
114 -width 100
115 set w_load $w.file_pane.out.loaded_t
117 text $w_load \
118 -background white -borderwidth 0 \
119 -state disabled \
120 -wrap none \
121 -height 40 \
122 -width 1 \
123 -font font_diff
124 $w_load tag conf annotated -background grey
125 set w_line $w.file_pane.out.linenumber_t
127 text $w_line \
128 -background white -borderwidth 0 \
129 -state disabled \
130 -wrap none \
131 -height 40 \
132 -width 5 \
133 -font font_diff
134 $w_line tag conf linenumber -justify right
135 set w_cgrp $w.file_pane.out.commit_t
137 text $w_cgrp \
138 -background white -borderwidth 0 \
139 -state disabled \
140 -wrap none \
141 -height 40 \
142 -width 4 \
143 -font font_diff
144 $w_cgrp tag conf curr_commit
145 $w_cgrp tag conf prior_commit \
146 -foreground blue \
147 -underline 1
148 $w_cgrp tag bind prior_commit \
149 <Button-1> \
150 "[cb _load_commit @%x,%y];break"
151 set w_file $w.file_pane.out.file_t
153 text $w_file \
154 -background white -borderwidth 0 \
155 -state disabled \
156 -wrap none \
157 -height 40 \
158 -width 80 \
159 -xscrollcommand [list $w.file_pane.out.sbx set] \
160 -font font_diff
161 scrollbar $w.file_pane.out.sbx \
163 -orient h \
164 -command [list $w_file xview]
165 scrollbar $w.file_pane.out.sby \
166 -orient v \
167 -command [list scrollbar2many [list \
168 $w_load \
169 $w_line \
170 $w_cgrp \
171 $w_file \
172 ] yview]
173 grid \
174 $w_cgrp \
175 $w_line \
176 $w_load \
177 $w_file \
178 $w.file_pane.out.sby \
179 -sticky nsew
180 grid conf $w.file_pane.out.sbx -column 3 -sticky we
181 grid columnconfigure $w.file_pane.out 3 -weight 1
182 grid rowconfigure $w.file_pane.out 0 -weight 1
183 set w_cmit $w.file_pane.cm.t
185 text $w_cmit \
186 -background white -borderwidth 0 \
187 -state disabled \
188 -wrap none \
189 -height 10 \
190 -width 80 \
191 -xscrollcommand [list $w.file_pane.cm.sbx set] \
192 -yscrollcommand [list $w.file_pane.cm.sby set] \
193 -font font_diff
194 $w_cmit tag conf header_key \
195 -tabs {3c} \
196 -background $active_color \
197 -font font_uibold
198 $w_cmit tag conf header_val \
199 -background $active_color \
200 -font font_ui
201 $w_cmit tag raise sel
202 scrollbar $w.file_pane.cm.sbx \
203 -orient h \
204 -command [list $w_cmit xview]
205 scrollbar $w.file_pane.cm.sby \
206 -orient v \
207 -command [list $w_cmit yview]
208 pack $w.file_pane.cm.sby -side right -fill y
209 pack $w.file_pane.cm.sbx -side bottom -fill x
210 pack $w_cmit -expand 1 -fill both
211 frame $w.status \
213 -borderwidth 1 \
214 -relief sunken
215 label $w.status.l \
216 -textvariable @status \
217 -anchor w \
218 -justify left
219 pack $w.status.l -side left
220 menu $w.ctxm -tearoff 0
222 $w.ctxm add command \
223 -label "Copy Commit" \
224 -command [cb _copycommit]
225 foreach i [list \
227 $w_cgrp \
228 $w_load \
229 $w_line \
230 $w_file] {
231 $i conf -cursor $cursor_ptr
232 $i conf -yscrollcommand \
233 [list many2scrollbar [list \
234 $w_cgrp \
235 $w_load \
236 $w_line \
237 $w_file \
238 ] yview $w.file_pane.out.sby]
239 bind $i <Button-1> "
240 [cb _hide_tooltip]
241 [cb _click $i @%x,%y]
242 focus $i
243 "
244 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
245 bind $i <Any-Enter> [cb _hide_tooltip]
246 bind $i <Any-Leave> [cb _hide_tooltip]
247 bind_button3 $i "
248 [cb _hide_tooltip]
249 set cursorX %x
250 set cursorY %y
251 set cursorW %W
252 tk_popup $w.ctxm %X %Y
253 "
254 }
255 foreach i [list \
257 $w_cgrp \
258 $w_load \
259 $w_line \
260 $w_file \
261 $w_cmit] {
262 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
263 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
264 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
265 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
266 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
267 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
268 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
269 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
270 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
271 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
272 }
273 bind $w_cmit <Button-1> [list focus $w_cmit]
275 bind $top <Visibility> [list focus $top]
276 bind $w_file <Destroy> [list delete_this $this]
277 grid configure $w.header -sticky ew
279 grid configure $w.file_pane -sticky nsew
280 grid configure $w.status -sticky ew
281 grid columnconfigure $top 0 -weight 1
282 grid rowconfigure $top 0 -weight 0
283 grid rowconfigure $top 1 -weight 1
284 grid rowconfigure $top 2 -weight 0
285 set req_w [winfo reqwidth $top]
287 set req_h [winfo reqheight $top]
288 if {$req_w < 600} {set req_w 600}
289 if {$req_h < 400} {set req_h 400}
290 set g "${req_w}x${req_h}"
291 wm geometry $top $g
292 update
293 set old_height [winfo height $w.file_pane]
295 $w.file_pane sash place 0 \
296 [lindex [$w.file_pane sash coord 0] 0] \
297 [expr {int($old_height * 0.70)}]
298 bind $w.file_pane <Configure> \
299 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
300 _load $this
302}
303method _load {} {
305 _hide_tooltip $this
306 if {$total_lines != 0 || $current_fd ne {}} {
308 if {$current_fd ne {}} {
309 catch {close $current_fd}
310 set current_fd {}
311 }
312 set highlight_line -1
314 set highlight_commit {}
315 set total_lines 0
316 set blame_lines 0
317 set commit_count 0
318 set commit_list {}
319 array unset order
320 array unset line_commit
321 array unset line_file
322 $w_load conf -state normal
324 $w_cgrp conf -state normal
325 $w_line conf -state normal
326 $w_file conf -state normal
327 $w_load delete 0.0 end
329 $w_cgrp delete 0.0 end
330 $w_line delete 0.0 end
331 $w_file delete 0.0 end
332 $w_load conf -state disabled
334 $w_cgrp conf -state disabled
335 $w_line conf -state disabled
336 $w_file conf -state disabled
337 }
338 if {[winfo exists $w.status.c]} {
340 $w.status.c coords bar 0 0 0 20
341 } else {
342 canvas $w.status.c \
343 -width 100 \
344 -height [expr {int([winfo reqheight $w.status.l] * 0.6)}] \
345 -borderwidth 1 \
346 -relief groove \
347 -highlightt 0
348 $w.status.c create rectangle 0 0 0 20 -tags bar -fill navy
349 pack $w.status.c -side right
350 }
351 if {$history eq {}} {
353 $w_back conf -state disabled
354 } else {
355 $w_back conf -state normal
356 }
357 lappend history [list $commit $path]
358 set status "Loading $commit:[escape_path $path]..."
360 $w_path conf -text [escape_path $path]
361 if {$commit eq {}} {
362 set fd [open $path r]
363 } else {
364 set cmd [list git cat-file blob "$commit:$path"]
365 set fd [open "| $cmd" r]
366 }
367 fconfigure $fd -blocking 0 -translation lf -encoding binary
368 fileevent $fd readable [cb _read_file $fd]
369 set current_fd $fd
370}
371method _history_menu {} {
373 set m $w.backmenu
374 if {[winfo exists $m]} {
375 $m delete 0 end
376 } else {
377 menu $m -tearoff 0
378 }
379 for {set i [expr {[llength $history] - 2}]
381 } {$i >= 0} {incr i -1} {
382 set e [lindex $history $i]
383 set c [lindex $e 0]
384 set f [lindex $e 1]
385 if {[regexp {^[0-9a-f]{40}$} $c]} {
387 set t [string range $c 0 8]...
388 } else {
389 set t $c
390 }
391 if {![catch {set summary $header($c,summary)}]} {
392 append t " $summary"
393 }
394 $m add command -label $t -command [cb _goback $i $c $f]
396 }
397 set X [winfo rootx $w_back]
398 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
399 tk_popup $m $X $Y
400}
401method _goback {i c f} {
403 set history [lrange $history 0 [expr {$i - 1}]]
404 set commit $c
405 set path $f
406 _load $this
407}
408method _read_file {fd} {
410 if {$fd ne $current_fd} {
411 catch {close $fd}
412 return
413 }
414 $w_load conf -state normal
416 $w_cgrp conf -state normal
417 $w_line conf -state normal
418 $w_file conf -state normal
419 while {[gets $fd line] >= 0} {
420 regsub "\r\$" $line {} line
421 incr total_lines
422 if {$total_lines > 1} {
424 $w_load insert end "\n"
425 $w_cgrp insert end "\n"
426 $w_line insert end "\n"
427 $w_file insert end "\n"
428 }
429 $w_line insert end "$total_lines" linenumber
431 $w_file insert end "$line"
432 }
433 $w_load conf -state disabled
434 $w_cgrp conf -state disabled
435 $w_line conf -state disabled
436 $w_file conf -state disabled
437 if {[eof $fd]} {
439 close $fd
440 _status $this
441 set cmd {nice git blame -M -C --incremental}
442 if {$commit eq {}} {
443 lappend cmd --contents $path
444 } else {
445 lappend cmd $commit
446 }
447 lappend cmd -- $path
448 set fd [open "| $cmd" r]
449 fconfigure $fd -blocking 0 -translation lf -encoding binary
450 fileevent $fd readable [cb _read_blame $fd]
451 set current_fd $fd
452 }
453} ifdeleted { catch {close $fd} }
454method _read_blame {fd} {
456 variable group_colors
457 if {$fd ne $current_fd} {
459 catch {close $fd}
460 return
461 }
462 $w_cgrp conf -state normal
464 while {[gets $fd line] >= 0} {
465 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
466 cmit original_line final_line line_count]} {
467 set r_commit $cmit
468 set r_orig_line $original_line
469 set r_final_line $final_line
470 set r_line_count $line_count
471 if {[catch {set g $order($cmit)}]} {
473 set bg [lindex $group_colors 0]
474 set group_colors [lrange $group_colors 1 end]
475 lappend group_colors $bg
476 $w_cgrp tag conf g$cmit -background $bg
478 $w_line tag conf g$cmit -background $bg
479 $w_file tag conf g$cmit -background $bg
480 set order($cmit) $commit_count
482 incr commit_count
483 lappend commit_list $cmit
484 }
485 } elseif {[string match {filename *} $line]} {
486 set file [string range $line 9 end]
487 set n $r_line_count
488 set lno $r_final_line
489 set cmit $r_commit
490 if {[regexp {^0{40}$} $cmit]} {
492 set commit_abbr work
493 set commit_type curr_commit
494 } elseif {$cmit eq $commit} {
495 set commit_abbr this
496 set commit_type curr_commit
497 } else {
498 set commit_type prior_commit
499 set commit_abbr [string range $cmit 0 4]
500 }
501 set author_abbr {}
503 set a_name {}
504 catch {set a_name $header($cmit,author)}
505 while {$a_name ne {}} {
506 if {![regexp {^([[:upper:]])} $a_name _a]} break
507 append author_abbr $_a
508 unset _a
509 if {![regsub \
510 {^[[:upper:]][^\s]*\s+} \
511 $a_name {} a_name ]} break
512 }
513 if {$author_abbr eq {}} {
514 set author_abbr { |}
515 } else {
516 set author_abbr [string range $author_abbr 0 3]
517 while {[string length $author_abbr] < 4} {
518 set author_abbr " $author_abbr"
519 }
520 }
521 unset a_name
522 set first_lno $lno
524 while {
525 ![catch {set ncmit $line_commit([expr {$first_lno - 1}])}]
526 && ![catch {set nfile $line_file([expr {$first_lno - 1}])}]
527 && $ncmit eq $cmit
528 && $nfile eq $file
529 } {
530 incr first_lno -1
531 }
532 while {$n > 0} {
534 set lno_e "$lno.0 lineend + 1c"
535 if {[catch {set g g$line_commit($lno)}]} {
536 $w_load tag add annotated $lno.0 $lno_e
537 } else {
538 $w_cgrp tag remove g$g $lno.0 $lno_e
539 $w_line tag remove g$g $lno.0 $lno_e
540 $w_file tag remove g$g $lno.0 $lno_e
541 $w_cgrp tag remove a$g $lno.0 $lno_e
543 $w_line tag remove a$g $lno.0 $lno_e
544 $w_file tag remove a$g $lno.0 $lno_e
545 }
546 set line_commit($lno) $cmit
548 set line_file($lno) $file
549 $w_cgrp delete $lno.0 "$lno.0 lineend"
551 if {$lno == $first_lno} {
552 $w_cgrp insert $lno.0 $commit_abbr $commit_type
553 } elseif {$lno == [expr {$first_lno + 1}]} {
554 $w_cgrp insert $lno.0 $author_abbr
555 } else {
556 $w_cgrp insert $lno.0 { |}
557 }
558 $w_cgrp tag add g$cmit $lno.0 $lno_e
560 $w_line tag add g$cmit $lno.0 $lno_e
561 $w_file tag add g$cmit $lno.0 $lno_e
562 $w_cgrp tag add a$cmit $lno.0 $lno_e
564 $w_line tag add a$cmit $lno.0 $lno_e
565 $w_file tag add a$cmit $lno.0 $lno_e
566 if {$highlight_line == -1} {
568 if {[lindex [$w_file yview] 0] == 0} {
569 $w_file see $lno.0
570 _showcommit $this $lno
571 }
572 } elseif {$highlight_line == $lno} {
573 _showcommit $this $lno
574 }
575 incr n -1
577 incr lno
578 incr blame_lines
579 }
580 while {
582 ![catch {set ncmit $line_commit($lno)}]
583 && ![catch {set nfile $line_file($lno)}]
584 && $ncmit eq $cmit
585 && $nfile eq $file
586 } {
587 $w_cgrp delete $lno.0 "$lno.0 lineend"
588 if {$lno == $first_lno} {
590 $w_cgrp insert $lno.0 $commit_abbr $commit_type
591 } elseif {$lno == [expr {$first_lno + 1}]} {
592 $w_cgrp insert $lno.0 $author_abbr
593 } else {
594 $w_cgrp insert $lno.0 { |}
595 }
596 incr lno
597 }
598 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
600 set header($r_commit,$key) $data
601 }
602 }
603 $w_cgrp conf -state disabled
604 if {[eof $fd]} {
606 close $fd
607 set current_fd {}
608 set status {Annotation complete.}
609 destroy $w.status.c
610 } else {
611 _status $this
612 }
613} ifdeleted { catch {close $fd} }
614method _status {} {
616 set have $blame_lines
617 set total $total_lines
618 set pdone 0
619 if {$total} {set pdone [expr {100 * $have / $total}]}
620 set status [format \
622 "Loading annotations... %i of %i lines annotated (%2i%%)" \
623 $have $total $pdone]
624 $w.status.c coords bar 0 0 $pdone 20
625}
626method _click {cur_w pos} {
628 set lno [lindex [split [$cur_w index $pos] .] 0]
629 if {$lno eq {}} return
630 _showcommit $this $lno
631}
632method _load_commit {pos} {
634 set lno [lindex [split [$w_cgrp index $pos] .] 0]
635 if {[catch {set cmit $line_commit($lno)}]} return
636 if {[catch {set file $line_file($lno) }]} return
637 set commit $cmit
639 set path $file
640 _load $this
641}
642method _showcommit {lno} {
644 global repo_config
645 variable active_color
646 if {$highlight_commit ne {}} {
648 set cmit $highlight_commit
649 $w_cgrp tag conf a$cmit -background {}
650 $w_line tag conf a$cmit -background {}
651 $w_file tag conf a$cmit -background {}
652 }
653 $w_cmit conf -state normal
655 $w_cmit delete 0.0 end
656 if {[catch {set cmit $line_commit($lno)}]} {
657 set cmit {}
658 $w_cmit insert end "Loading annotation..."
659 } else {
660 $w_cgrp tag conf a$cmit -background $active_color
661 $w_line tag conf a$cmit -background $active_color
662 $w_file tag conf a$cmit -background $active_color
663 set author_name {}
665 set author_email {}
666 set author_time {}
667 catch {set author_name $header($cmit,author)}
668 catch {set author_email $header($cmit,author-mail)}
669 catch {set author_time [clock format \
670 $header($cmit,author-time) \
671 -format {%Y-%m-%d %H:%M:%S}
672 ]}
673 set committer_name {}
675 set committer_email {}
676 set committer_time {}
677 catch {set committer_name $header($cmit,committer)}
678 catch {set committer_email $header($cmit,committer-mail)}
679 catch {set committer_time [clock format \
680 $header($cmit,committer-time) \
681 -format {%Y-%m-%d %H:%M:%S}
682 ]}
683 if {[catch {set msg $header($cmit,message)}]} {
685 set msg {}
686 catch {
687 set fd [open "| git cat-file commit $cmit" r]
688 fconfigure $fd -encoding binary -translation lf
689 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
690 set enc utf-8
691 }
692 while {[gets $fd line] > 0} {
693 if {[string match {encoding *} $line]} {
694 set enc [string tolower [string range $line 9 end]]
695 }
696 }
697 set msg [encoding convertfrom $enc [read $fd]]
698 set msg [string trim $msg]
699 close $fd
700 set author_name [encoding convertfrom $enc $author_name]
702 set committer_name [encoding convertfrom $enc $committer_name]
703 set header($cmit,author) $author_name
705 set header($cmit,committer) $committer_name
706 }
707 set header($cmit,message) $msg
708 }
709 $w_cmit insert end "commit $cmit\n" header_key
711 $w_cmit insert end "Author:\t" header_key
712 $w_cmit insert end "$author_name $author_email" header_val
713 $w_cmit insert end "$author_time\n" header_val
714 $w_cmit insert end "Committer:\t" header_key
716 $w_cmit insert end "$committer_name $committer_email" header_val
717 $w_cmit insert end "$committer_time\n" header_val
718 if {$line_file($lno) ne $path} {
720 $w_cmit insert end "Original File:\t" header_key
721 $w_cmit insert end "[escape_path $line_file($lno)]\n" header_val
722 }
723 $w_cmit insert end "\n$msg"
725 }
726 $w_cmit conf -state disabled
727 set highlight_line $lno
729 set highlight_commit $cmit
730 if {$highlight_commit eq $tooltip_commit} {
732 _hide_tooltip $this
733 }
734}
735method _copycommit {} {
737 set pos @$::cursorX,$::cursorY
738 set lno [lindex [split [$::cursorW index $pos] .] 0]
739 if {![catch {set commit $line_commit($lno)}]} {
740 clipboard clear
741 clipboard append \
742 -format STRING \
743 -type STRING \
744 -- $commit
745 }
746}
747method _show_tooltip {cur_w pos} {
749 set lno [lindex [split [$cur_w index $pos] .] 0]
750 if {[catch {set cmit $line_commit($lno)}]} {
751 _hide_tooltip $this
752 return
753 }
754 if {$cmit eq $highlight_commit} {
756 _hide_tooltip $this
757 return
758 }
759 if {$cmit eq $tooltip_commit} {
761 _position_tooltip $this
762 } elseif {$tooltip_wm ne {}} {
763 _open_tooltip $this $cur_w
764 } elseif {$tooltip_timer eq {}} {
765 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
766 }
767}
768method _open_tooltip {cur_w} {
770 set tooltip_timer {}
771 set pos_x [winfo pointerx $cur_w]
772 set pos_y [winfo pointery $cur_w]
773 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
774 _hide_tooltip $this
775 return
776 }
777 set pos @[join [list \
779 [expr {$pos_x - [winfo rootx $cur_w]}] \
780 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
781 set lno [lindex [split [$cur_w index $pos] .] 0]
782 set cmit $line_commit($lno)
783 set author_name {}
785 set author_email {}
786 set author_time {}
787 catch {set author_name $header($cmit,author)}
788 catch {set author_email $header($cmit,author-mail)}
789 catch {set author_time [clock format \
790 $header($cmit,author-time) \
791 -format {%Y-%m-%d %H:%M:%S}
792 ]}
793 set committer_name {}
795 set committer_email {}
796 set committer_time {}
797 catch {set committer_name $header($cmit,committer)}
798 catch {set committer_email $header($cmit,committer-mail)}
799 catch {set committer_time [clock format \
800 $header($cmit,committer-time) \
801 -format {%Y-%m-%d %H:%M:%S}
802 ]}
803 set summary {}
805 catch {set summary $header($cmit,summary)}
806 set tooltip_commit $cmit
808 set tooltip_text "commit $cmit
809$author_name $author_email $author_time
810$summary"
811 set file $line_file($lno)
813 if {$file ne $path} {
814 append tooltip_text "
815Original File: $file"
817 }
818 if {$tooltip_wm ne "$cur_w.tooltip"} {
820 _hide_tooltip $this
821 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
823 wm overrideredirect $tooltip_wm 1
824 wm transient $tooltip_wm [winfo toplevel $cur_w]
825 pack [label $tooltip_wm.label \
826 -background lightyellow \
827 -foreground black \
828 -textvariable @tooltip_text \
829 -justify left]
830 }
831 _position_tooltip $this
832}
833method _position_tooltip {} {
835 set req_w [winfo reqwidth $tooltip_wm.label]
836 set req_h [winfo reqheight $tooltip_wm.label]
837 set pos_x [expr {[winfo pointerx .] + 5}]
838 set pos_y [expr {[winfo pointery .] + 10}]
839 set g "${req_w}x${req_h}"
841 if {$pos_x >= 0} {append g +}
842 append g $pos_x
843 if {$pos_y >= 0} {append g +}
844 append g $pos_y
845 wm geometry $tooltip_wm $g
847 raise $tooltip_wm
848}
849method _hide_tooltip {} {
851 if {$tooltip_wm ne {}} {
852 destroy $tooltip_wm
853 set tooltip_wm {}
854 set tooltip_commit {}
855 }
856 if {$tooltip_timer ne {}} {
857 after cancel $tooltip_timer
858 set tooltip_timer {}
859 }
860}
861method _resize {new_height} {
863 set diff [expr {$new_height - $old_height}]
864 if {$diff == 0} return
865 set my [expr {[winfo height $w.file_pane] - 25}]
867 set o [$w.file_pane sash coord 0]
868 set ox [lindex $o 0]
869 set oy [expr {[lindex $o 1] + $diff}]
870 if {$oy < 0} {set oy 0}
871 if {$oy > $my} {set oy $my}
872 $w.file_pane sash place 0 $ox $oy
873 set old_height $new_height
875}
876}