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_file ; # text column: actual file data
18field w_cmit ; # pane showing commit message
19field status ; # text variable bound to status bar
20field old_height ; # last known height of $w.file_pane
21field current_fd {} ; # background process running
23field highlight_line -1 ; # current line selected
24field highlight_commit {} ; # sha1 of commit selected
25field total_lines 0 ; # total length of file
27field blame_lines 0 ; # number of lines computed
28field commit_count 0 ; # number of commits in $commit_list
29field commit_list {} ; # list of commit sha1 in receipt order
30field order ; # array commit -> receipt order
31field header ; # array commit,key -> header field
32field line_commit ; # array line -> sha1 commit
33field line_file ; # array line -> file name
34field r_commit ; # commit currently being parsed
36field r_orig_line ; # original line number
37field r_final_line ; # final line number
38field r_line_count ; # lines in this region
39field tooltip_wm {} ; # Current tooltip toplevel, if open
41field tooltip_timer {} ; # Current timer event for our tooltip
42field tooltip_commit {} ; # Commit in tooltip
43field tooltip_text {} ; # Text in current tooltip
44variable active_color #98e1a0
46variable group_colors {
47 #cbcbcb
48 #e1e1e1
49}
50constructor new {i_commit i_path} {
52 variable active_color
53 global cursor_ptr
54 set commit $i_commit
56 set path $i_path
57 make_toplevel top w
59 wm title $top "[appname] ([reponame]): File Viewer"
60 frame $w.header -background orange
62 label $w.header.commit_l \
63 -text {Commit:} \
64 -background orange \
65 -anchor w \
66 -justify left
67 set w_back $w.header.commit_b
68 label $w_back \
69 -image ::blame::img_back_arrow \
70 -borderwidth 0 \
71 -relief flat \
72 -state disabled \
73 -background orange \
74 -activebackground orange
75 bind $w_back <Button-1> "
76 if {\[$w_back cget -state\] eq {normal}} {
77 [cb _history_menu]
78 }
79 "
80 label $w.header.commit \
81 -textvariable @commit \
82 -background orange \
83 -anchor w \
84 -justify left
85 label $w.header.path_l \
86 -text {File:} \
87 -background orange \
88 -anchor w \
89 -justify left
90 set w_path $w.header.path
91 label $w_path \
92 -background orange \
93 -anchor w \
94 -justify left
95 pack $w.header.commit_l -side left
96 pack $w_back -side left
97 pack $w.header.commit -side left
98 pack $w_path -fill x -side right
99 pack $w.header.path_l -side right
100 panedwindow $w.file_pane -orient vertical
102 frame $w.file_pane.out
103 frame $w.file_pane.cm
104 $w.file_pane add $w.file_pane.out \
105 -sticky nsew \
106 -minsize 100 \
107 -height 100 \
108 -width 100
109 $w.file_pane add $w.file_pane.cm \
110 -sticky nsew \
111 -minsize 25 \
112 -height 25 \
113 -width 100
114 set w_line $w.file_pane.out.linenumber_t
116 text $w_line \
117 -background white -borderwidth 0 \
118 -state disabled \
119 -wrap none \
120 -height 40 \
121 -width 5 \
122 -font font_diff
123 $w_line tag conf linenumber -justify right
124 set w_cgrp $w.file_pane.out.commit_t
126 text $w_cgrp \
127 -background white -borderwidth 0 \
128 -state disabled \
129 -wrap none \
130 -height 40 \
131 -width 4 \
132 -font font_diff
133 $w_cgrp tag conf curr_commit
134 $w_cgrp tag conf prior_commit \
135 -foreground blue \
136 -underline 1
137 $w_cgrp tag bind prior_commit \
138 <Button-1> \
139 "[cb _load_commit @%x,%y];break"
140 set w_file $w.file_pane.out.file_t
142 text $w_file \
143 -background white -borderwidth 0 \
144 -state disabled \
145 -wrap none \
146 -height 40 \
147 -width 80 \
148 -xscrollcommand [list $w.file_pane.out.sbx set] \
149 -font font_diff
150 scrollbar $w.file_pane.out.sbx \
152 -orient h \
153 -command [list $w_file xview]
154 scrollbar $w.file_pane.out.sby \
155 -orient v \
156 -command [list scrollbar2many [list \
157 $w_line \
158 $w_cgrp \
159 $w_file \
160 ] yview]
161 grid \
162 $w_cgrp \
163 $w_line \
164 $w_file \
165 $w.file_pane.out.sby \
166 -sticky nsew
167 grid conf $w.file_pane.out.sbx -column 2 -sticky we
168 grid columnconfigure $w.file_pane.out 2 -weight 1
169 grid rowconfigure $w.file_pane.out 0 -weight 1
170 set w_cmit $w.file_pane.cm.t
172 text $w_cmit \
173 -background white -borderwidth 0 \
174 -state disabled \
175 -wrap none \
176 -height 10 \
177 -width 80 \
178 -xscrollcommand [list $w.file_pane.cm.sbx set] \
179 -yscrollcommand [list $w.file_pane.cm.sby set] \
180 -font font_diff
181 $w_cmit tag conf header_key \
182 -tabs {3c} \
183 -background $active_color \
184 -font font_uibold
185 $w_cmit tag conf header_val \
186 -background $active_color \
187 -font font_ui
188 $w_cmit tag raise sel
189 scrollbar $w.file_pane.cm.sbx \
190 -orient h \
191 -command [list $w_cmit xview]
192 scrollbar $w.file_pane.cm.sby \
193 -orient v \
194 -command [list $w_cmit yview]
195 pack $w.file_pane.cm.sby -side right -fill y
196 pack $w.file_pane.cm.sbx -side bottom -fill x
197 pack $w_cmit -expand 1 -fill both
198 frame $w.status \
200 -borderwidth 1 \
201 -relief sunken
202 label $w.status.l \
203 -textvariable @status \
204 -anchor w \
205 -justify left
206 pack $w.status.l -side left
207 menu $w.ctxm -tearoff 0
209 $w.ctxm add command \
210 -label "Copy Commit" \
211 -command [cb _copycommit]
212 foreach i [list \
214 $w_cgrp \
215 $w_line \
216 $w_file] {
217 $i conf -cursor $cursor_ptr
218 $i conf -yscrollcommand \
219 [list many2scrollbar [list \
220 $w_cgrp \
221 $w_line \
222 $w_file \
223 ] yview $w.file_pane.out.sby]
224 bind $i <Button-1> "
225 [cb _hide_tooltip]
226 [cb _click $i @%x,%y]
227 focus $i
228 "
229 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
230 bind $i <Any-Enter> [cb _hide_tooltip]
231 bind $i <Any-Leave> [cb _hide_tooltip]
232 bind_button3 $i "
233 [cb _hide_tooltip]
234 set cursorX %x
235 set cursorY %y
236 set cursorW %W
237 tk_popup $w.ctxm %X %Y
238 "
239 }
240 foreach i [list \
242 $w_cgrp \
243 $w_line \
244 $w_file \
245 $w_cmit] {
246 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
247 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
248 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
249 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
250 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
251 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
252 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
253 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
254 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
255 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
256 }
257 bind $w_cmit <Button-1> [list focus $w_cmit]
259 bind $top <Visibility> [list focus $top]
260 bind $w_file <Destroy> [list delete_this $this]
261 grid configure $w.header -sticky ew
263 grid configure $w.file_pane -sticky nsew
264 grid configure $w.status -sticky ew
265 grid columnconfigure $top 0 -weight 1
266 grid rowconfigure $top 0 -weight 0
267 grid rowconfigure $top 1 -weight 1
268 grid rowconfigure $top 2 -weight 0
269 set req_w [winfo reqwidth $top]
271 set req_h [winfo reqheight $top]
272 if {$req_w < 600} {set req_w 600}
273 if {$req_h < 400} {set req_h 400}
274 set g "${req_w}x${req_h}"
275 wm geometry $top $g
276 update
277 set old_height [winfo height $w.file_pane]
279 $w.file_pane sash place 0 \
280 [lindex [$w.file_pane sash coord 0] 0] \
281 [expr {int($old_height * 0.70)}]
282 bind $w.file_pane <Configure> \
283 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
284 _load $this
286}
287method _load {} {
289 _hide_tooltip $this
290 if {$total_lines != 0 || $current_fd ne {}} {
292 if {$current_fd ne {}} {
293 catch {close $current_fd}
294 set current_fd {}
295 }
296 set highlight_line -1
298 set highlight_commit {}
299 set total_lines 0
300 set blame_lines 0
301 set commit_count 0
302 set commit_list {}
303 array unset order
304 array unset line_commit
305 array unset line_file
306 $w_cgrp conf -state normal
308 $w_line conf -state normal
309 $w_file conf -state normal
310 $w_cgrp delete 0.0 end
312 $w_line delete 0.0 end
313 $w_file delete 0.0 end
314 $w_cgrp conf -state disabled
316 $w_line conf -state disabled
317 $w_file conf -state disabled
318 }
319 if {[winfo exists $w.status.c]} {
321 $w.status.c coords bar 0 0 0 20
322 } else {
323 canvas $w.status.c \
324 -width 100 \
325 -height [expr {int([winfo reqheight $w.status.l] * 0.6)}] \
326 -borderwidth 1 \
327 -relief groove \
328 -highlightt 0
329 $w.status.c create rectangle 0 0 0 20 -tags bar -fill navy
330 pack $w.status.c -side right
331 }
332 if {$history eq {}} {
334 $w_back conf -state disabled
335 } else {
336 $w_back conf -state normal
337 }
338 lappend history [list $commit $path]
339 set status "Loading $commit:[escape_path $path]..."
341 $w_path conf -text [escape_path $path]
342 if {$commit eq {}} {
343 set fd [open $path r]
344 } else {
345 set cmd [list git cat-file blob "$commit:$path"]
346 set fd [open "| $cmd" r]
347 }
348 fconfigure $fd -blocking 0 -translation lf -encoding binary
349 fileevent $fd readable [cb _read_file $fd]
350 set current_fd $fd
351}
352method _history_menu {} {
354 set m $w.backmenu
355 if {[winfo exists $m]} {
356 $m delete 0 end
357 } else {
358 menu $m -tearoff 0
359 }
360 for {set i [expr {[llength $history] - 2}]
362 } {$i >= 0} {incr i -1} {
363 set e [lindex $history $i]
364 set c [lindex $e 0]
365 set f [lindex $e 1]
366 if {[regexp {^[0-9a-f]{40}$} $c]} {
368 set t [string range $c 0 8]...
369 } else {
370 set t $c
371 }
372 if {![catch {set summary $header($c,summary)}]} {
373 append t " $summary"
374 if {[string length $t] > 70} {
375 set t [string range $t 0 66]...
376 }
377 }
378 $m add command -label $t -command [cb _goback $i $c $f]
380 }
381 set X [winfo rootx $w_back]
382 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
383 tk_popup $m $X $Y
384}
385method _goback {i c f} {
387 set history [lrange $history 0 [expr {$i - 1}]]
388 set commit $c
389 set path $f
390 _load $this
391}
392method _read_file {fd} {
394 if {$fd ne $current_fd} {
395 catch {close $fd}
396 return
397 }
398 $w_cgrp conf -state normal
400 $w_line conf -state normal
401 $w_file conf -state normal
402 while {[gets $fd line] >= 0} {
403 regsub "\r\$" $line {} line
404 incr total_lines
405 if {$total_lines > 1} {
407 $w_cgrp insert end "\n"
408 $w_line insert end "\n"
409 $w_file insert end "\n"
410 }
411 $w_line insert end "$total_lines" linenumber
413 $w_file insert end "$line"
414 }
415 $w_cgrp conf -state disabled
416 $w_line conf -state disabled
417 $w_file conf -state disabled
418 if {[eof $fd]} {
420 close $fd
421 _status $this
422 set cmd {nice git blame -M -C --incremental}
423 if {$commit eq {}} {
424 lappend cmd --contents $path
425 } else {
426 lappend cmd $commit
427 }
428 lappend cmd -- $path
429 set fd [open "| $cmd" r]
430 fconfigure $fd -blocking 0 -translation lf -encoding binary
431 fileevent $fd readable [cb _read_blame $fd]
432 set current_fd $fd
433 }
434} ifdeleted { catch {close $fd} }
435method _read_blame {fd} {
437 variable group_colors
438 if {$fd ne $current_fd} {
440 catch {close $fd}
441 return
442 }
443 $w_cgrp conf -state normal
445 while {[gets $fd line] >= 0} {
446 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
447 cmit original_line final_line line_count]} {
448 set r_commit $cmit
449 set r_orig_line $original_line
450 set r_final_line $final_line
451 set r_line_count $line_count
452 if {[catch {set g $order($cmit)}]} {
454 set bg [lindex $group_colors 0]
455 set group_colors [lrange $group_colors 1 end]
456 lappend group_colors $bg
457 $w_cgrp tag conf g$cmit -background $bg
459 $w_line tag conf g$cmit -background $bg
460 $w_file tag conf g$cmit -background $bg
461 set order($cmit) $commit_count
463 incr commit_count
464 lappend commit_list $cmit
465 }
466 } elseif {[string match {filename *} $line]} {
467 set file [string range $line 9 end]
468 set n $r_line_count
469 set lno $r_final_line
470 set cmit $r_commit
471 if {[regexp {^0{40}$} $cmit]} {
473 set commit_abbr work
474 set commit_type curr_commit
475 } elseif {$cmit eq $commit} {
476 set commit_abbr this
477 set commit_type curr_commit
478 } else {
479 set commit_type prior_commit
480 set commit_abbr [string range $cmit 0 4]
481 }
482 set author_abbr {}
484 set a_name {}
485 catch {set a_name $header($cmit,author)}
486 while {$a_name ne {}} {
487 if {![regexp {^([[:upper:]])} $a_name _a]} break
488 append author_abbr $_a
489 unset _a
490 if {![regsub \
491 {^[[:upper:]][^\s]*\s+} \
492 $a_name {} a_name ]} break
493 }
494 if {$author_abbr eq {}} {
495 set author_abbr { |}
496 } else {
497 set author_abbr [string range $author_abbr 0 3]
498 while {[string length $author_abbr] < 4} {
499 set author_abbr " $author_abbr"
500 }
501 }
502 unset a_name
503 set first_lno $lno
505 while {
506 ![catch {set ncmit $line_commit([expr {$first_lno - 1}])}]
507 && ![catch {set nfile $line_file([expr {$first_lno - 1}])}]
508 && $ncmit eq $cmit
509 && $nfile eq $file
510 } {
511 incr first_lno -1
512 }
513 while {$n > 0} {
515 set lno_e "$lno.0 lineend + 1c"
516 if {![catch {set g g$line_commit($lno)}]} {
517 $w_cgrp tag remove g$g $lno.0 $lno_e
518 $w_line tag remove g$g $lno.0 $lno_e
519 $w_file tag remove g$g $lno.0 $lno_e
520 $w_cgrp tag remove a$g $lno.0 $lno_e
522 $w_line tag remove a$g $lno.0 $lno_e
523 $w_file tag remove a$g $lno.0 $lno_e
524 }
525 set line_commit($lno) $cmit
527 set line_file($lno) $file
528 $w_cgrp delete $lno.0 "$lno.0 lineend"
530 if {$lno == $first_lno} {
531 $w_cgrp insert $lno.0 $commit_abbr $commit_type
532 } elseif {$lno == [expr {$first_lno + 1}]} {
533 $w_cgrp insert $lno.0 $author_abbr
534 } else {
535 $w_cgrp insert $lno.0 { |}
536 }
537 $w_cgrp tag add g$cmit $lno.0 $lno_e
539 $w_line tag add g$cmit $lno.0 $lno_e
540 $w_file tag add g$cmit $lno.0 $lno_e
541 $w_cgrp tag add a$cmit $lno.0 $lno_e
543 $w_line tag add a$cmit $lno.0 $lno_e
544 $w_file tag add a$cmit $lno.0 $lno_e
545 if {$highlight_line == -1} {
547 if {[lindex [$w_file yview] 0] == 0} {
548 $w_file see $lno.0
549 _showcommit $this $lno
550 }
551 } elseif {$highlight_line == $lno} {
552 _showcommit $this $lno
553 }
554 incr n -1
556 incr lno
557 incr blame_lines
558 }
559 while {
561 ![catch {set ncmit $line_commit($lno)}]
562 && ![catch {set nfile $line_file($lno)}]
563 && $ncmit eq $cmit
564 && $nfile eq $file
565 } {
566 $w_cgrp delete $lno.0 "$lno.0 lineend"
567 if {$lno == $first_lno} {
569 $w_cgrp insert $lno.0 $commit_abbr $commit_type
570 } elseif {$lno == [expr {$first_lno + 1}]} {
571 $w_cgrp insert $lno.0 $author_abbr
572 } else {
573 $w_cgrp insert $lno.0 { |}
574 }
575 incr lno
576 }
577 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
579 set header($r_commit,$key) $data
580 }
581 }
582 $w_cgrp conf -state disabled
583 if {[eof $fd]} {
585 close $fd
586 set current_fd {}
587 set status {Annotation complete.}
588 destroy $w.status.c
589 } else {
590 _status $this
591 }
592} ifdeleted { catch {close $fd} }
593method _status {} {
595 set have $blame_lines
596 set total $total_lines
597 set pdone 0
598 if {$total} {set pdone [expr {100 * $have / $total}]}
599 set status [format \
601 "Loading annotations... %i of %i lines annotated (%2i%%)" \
602 $have $total $pdone]
603 $w.status.c coords bar 0 0 $pdone 20
604}
605method _click {cur_w pos} {
607 set lno [lindex [split [$cur_w index $pos] .] 0]
608 if {$lno eq {}} return
609 _showcommit $this $lno
610}
611method _load_commit {pos} {
613 set lno [lindex [split [$w_cgrp index $pos] .] 0]
614 if {[catch {set cmit $line_commit($lno)}]} return
615 if {[catch {set file $line_file($lno) }]} return
616 set commit $cmit
618 set path $file
619 _load $this
620}
621method _showcommit {lno} {
623 global repo_config
624 variable active_color
625 if {$highlight_commit ne {}} {
627 set cmit $highlight_commit
628 $w_cgrp tag conf a$cmit -background {}
629 $w_line tag conf a$cmit -background {}
630 $w_file tag conf a$cmit -background {}
631 }
632 $w_cmit conf -state normal
634 $w_cmit delete 0.0 end
635 if {[catch {set cmit $line_commit($lno)}]} {
636 set cmit {}
637 $w_cmit insert end "Loading annotation..."
638 } else {
639 $w_cgrp tag conf a$cmit -background $active_color
640 $w_line tag conf a$cmit -background $active_color
641 $w_file tag conf a$cmit -background $active_color
642 set author_name {}
644 set author_email {}
645 set author_time {}
646 catch {set author_name $header($cmit,author)}
647 catch {set author_email $header($cmit,author-mail)}
648 catch {set author_time [clock format \
649 $header($cmit,author-time) \
650 -format {%Y-%m-%d %H:%M:%S}
651 ]}
652 set committer_name {}
654 set committer_email {}
655 set committer_time {}
656 catch {set committer_name $header($cmit,committer)}
657 catch {set committer_email $header($cmit,committer-mail)}
658 catch {set committer_time [clock format \
659 $header($cmit,committer-time) \
660 -format {%Y-%m-%d %H:%M:%S}
661 ]}
662 if {[catch {set msg $header($cmit,message)}]} {
664 set msg {}
665 catch {
666 set fd [open "| git cat-file commit $cmit" r]
667 fconfigure $fd -encoding binary -translation lf
668 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
669 set enc utf-8
670 }
671 while {[gets $fd line] > 0} {
672 if {[string match {encoding *} $line]} {
673 set enc [string tolower [string range $line 9 end]]
674 }
675 }
676 set msg [encoding convertfrom $enc [read $fd]]
677 set msg [string trim $msg]
678 close $fd
679 set author_name [encoding convertfrom $enc $author_name]
681 set committer_name [encoding convertfrom $enc $committer_name]
682 set header($cmit,author) $author_name
684 set header($cmit,committer) $committer_name
685 }
686 set header($cmit,message) $msg
687 }
688 $w_cmit insert end "commit $cmit\n" header_key
690 $w_cmit insert end "Author:\t" header_key
691 $w_cmit insert end "$author_name $author_email" header_val
692 $w_cmit insert end "$author_time\n" header_val
693 $w_cmit insert end "Committer:\t" header_key
695 $w_cmit insert end "$committer_name $committer_email" header_val
696 $w_cmit insert end "$committer_time\n" header_val
697 if {$line_file($lno) ne $path} {
699 $w_cmit insert end "Original File:\t" header_key
700 $w_cmit insert end "[escape_path $line_file($lno)]\n" header_val
701 }
702 $w_cmit insert end "\n$msg"
704 }
705 $w_cmit conf -state disabled
706 set highlight_line $lno
708 set highlight_commit $cmit
709 if {$highlight_commit eq $tooltip_commit} {
711 _hide_tooltip $this
712 }
713}
714method _copycommit {} {
716 set pos @$::cursorX,$::cursorY
717 set lno [lindex [split [$::cursorW index $pos] .] 0]
718 if {![catch {set commit $line_commit($lno)}]} {
719 clipboard clear
720 clipboard append \
721 -format STRING \
722 -type STRING \
723 -- $commit
724 }
725}
726method _show_tooltip {cur_w pos} {
728 set lno [lindex [split [$cur_w index $pos] .] 0]
729 if {[catch {set cmit $line_commit($lno)}]} {
730 _hide_tooltip $this
731 return
732 }
733 if {$cmit eq $highlight_commit} {
735 _hide_tooltip $this
736 return
737 }
738 if {$cmit eq $tooltip_commit} {
740 _position_tooltip $this
741 } elseif {$tooltip_wm ne {}} {
742 _open_tooltip $this $cur_w
743 } elseif {$tooltip_timer eq {}} {
744 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
745 }
746}
747method _open_tooltip {cur_w} {
749 set tooltip_timer {}
750 set pos_x [winfo pointerx $cur_w]
751 set pos_y [winfo pointery $cur_w]
752 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
753 _hide_tooltip $this
754 return
755 }
756 set pos @[join [list \
758 [expr {$pos_x - [winfo rootx $cur_w]}] \
759 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
760 set lno [lindex [split [$cur_w index $pos] .] 0]
761 set cmit $line_commit($lno)
762 set author_name {}
764 set author_email {}
765 set author_time {}
766 catch {set author_name $header($cmit,author)}
767 catch {set author_email $header($cmit,author-mail)}
768 catch {set author_time [clock format \
769 $header($cmit,author-time) \
770 -format {%Y-%m-%d %H:%M:%S}
771 ]}
772 set committer_name {}
774 set committer_email {}
775 set committer_time {}
776 catch {set committer_name $header($cmit,committer)}
777 catch {set committer_email $header($cmit,committer-mail)}
778 catch {set committer_time [clock format \
779 $header($cmit,committer-time) \
780 -format {%Y-%m-%d %H:%M:%S}
781 ]}
782 set summary {}
784 catch {set summary $header($cmit,summary)}
785 set tooltip_commit $cmit
787 set tooltip_text "commit $cmit
788$author_name $author_email $author_time
789$summary"
790 set file $line_file($lno)
792 if {$file ne $path} {
793 append tooltip_text "
794Original File: $file"
796 }
797 if {$tooltip_wm ne "$cur_w.tooltip"} {
799 _hide_tooltip $this
800 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
802 wm overrideredirect $tooltip_wm 1
803 wm transient $tooltip_wm [winfo toplevel $cur_w]
804 pack [label $tooltip_wm.label \
805 -background lightyellow \
806 -foreground black \
807 -textvariable @tooltip_text \
808 -justify left]
809 }
810 _position_tooltip $this
811}
812method _position_tooltip {} {
814 set req_w [winfo reqwidth $tooltip_wm.label]
815 set req_h [winfo reqheight $tooltip_wm.label]
816 set pos_x [expr {[winfo pointerx .] + 5}]
817 set pos_y [expr {[winfo pointery .] + 10}]
818 set g "${req_w}x${req_h}"
820 if {$pos_x >= 0} {append g +}
821 append g $pos_x
822 if {$pos_y >= 0} {append g +}
823 append g $pos_y
824 wm geometry $tooltip_wm $g
826 raise $tooltip_wm
827}
828method _hide_tooltip {} {
830 if {$tooltip_wm ne {}} {
831 destroy $tooltip_wm
832 set tooltip_wm {}
833 set tooltip_commit {}
834 }
835 if {$tooltip_timer ne {}} {
836 after cancel $tooltip_timer
837 set tooltip_timer {}
838 }
839}
840method _resize {new_height} {
842 set diff [expr {$new_height - $old_height}]
843 if {$diff == 0} return
844 set my [expr {[winfo height $w.file_pane] - 25}]
846 set o [$w.file_pane sash coord 0]
847 set ox [lindex $o 0]
848 set oy [expr {[lindex $o 1] + $diff}]
849 if {$oy < 0} {set oy 0}
850 if {$oy > $my} {set oy $my}
851 $w.file_pane sash place 0 $ox $oy
852 set old_height $new_height
854}
855}