1346fa54526448339295cdc949dfae639170bb57
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 -takefocus 0 \
118 -highlightthickness 0 \
119 -padx 0 -pady 0 \
120 -background white -borderwidth 0 \
121 -state disabled \
122 -wrap none \
123 -height 40 \
124 -width 5 \
125 -font font_diff
126 $w_line tag conf linenumber -justify right -rmargin 5
127 set w_cgrp $w.file_pane.out.commit_t
129 text $w_cgrp \
130 -takefocus 0 \
131 -highlightthickness 0 \
132 -padx 0 -pady 0 \
133 -background white -borderwidth 0 \
134 -state disabled \
135 -wrap none \
136 -height 40 \
137 -width 4 \
138 -font font_diff
139 $w_cgrp tag conf curr_commit
140 $w_cgrp tag conf prior_commit \
141 -foreground blue \
142 -underline 1
143 $w_cgrp tag bind prior_commit \
144 <Button-1> \
145 "[cb _load_commit @%x,%y];break"
146 set w_file $w.file_pane.out.file_t
148 text $w_file \
149 -takefocus 0 \
150 -highlightthickness 0 \
151 -padx 0 -pady 0 \
152 -background white -borderwidth 0 \
153 -state disabled \
154 -wrap none \
155 -height 40 \
156 -width 80 \
157 -xscrollcommand [list $w.file_pane.out.sbx set] \
158 -font font_diff
159 scrollbar $w.file_pane.out.sbx \
161 -orient h \
162 -command [list $w_file xview]
163 scrollbar $w.file_pane.out.sby \
164 -orient v \
165 -command [list scrollbar2many [list \
166 $w_line \
167 $w_cgrp \
168 $w_file \
169 ] yview]
170 grid \
171 $w_cgrp \
172 $w_line \
173 $w_file \
174 $w.file_pane.out.sby \
175 -sticky nsew
176 grid conf $w.file_pane.out.sbx -column 2 -sticky we
177 grid columnconfigure $w.file_pane.out 2 -weight 1
178 grid rowconfigure $w.file_pane.out 0 -weight 1
179 set w_cmit $w.file_pane.cm.t
181 text $w_cmit \
182 -background white -borderwidth 0 \
183 -state disabled \
184 -wrap none \
185 -height 10 \
186 -width 80 \
187 -xscrollcommand [list $w.file_pane.cm.sbx set] \
188 -yscrollcommand [list $w.file_pane.cm.sby set] \
189 -font font_diff
190 $w_cmit tag conf header_key \
191 -tabs {3c} \
192 -background $active_color \
193 -font font_uibold
194 $w_cmit tag conf header_val \
195 -background $active_color \
196 -font font_ui
197 $w_cmit tag raise sel
198 scrollbar $w.file_pane.cm.sbx \
199 -orient h \
200 -command [list $w_cmit xview]
201 scrollbar $w.file_pane.cm.sby \
202 -orient v \
203 -command [list $w_cmit yview]
204 pack $w.file_pane.cm.sby -side right -fill y
205 pack $w.file_pane.cm.sbx -side bottom -fill x
206 pack $w_cmit -expand 1 -fill both
207 frame $w.status \
209 -borderwidth 1 \
210 -relief sunken
211 label $w.status.l \
212 -textvariable @status \
213 -anchor w \
214 -justify left
215 pack $w.status.l -side left
216 menu $w.ctxm -tearoff 0
218 $w.ctxm add command \
219 -label "Copy Commit" \
220 -command [cb _copycommit]
221 foreach i [list \
223 $w_cgrp \
224 $w_line \
225 $w_file] {
226 $i conf -cursor $cursor_ptr
227 $i conf -yscrollcommand \
228 [list many2scrollbar [list \
229 $w_cgrp \
230 $w_line \
231 $w_file \
232 ] yview $w.file_pane.out.sby]
233 bind $i <Button-1> "
234 [cb _hide_tooltip]
235 [cb _click $i @%x,%y]
236 focus $i
237 "
238 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
239 bind $i <Any-Enter> [cb _hide_tooltip]
240 bind $i <Any-Leave> [cb _hide_tooltip]
241 bind_button3 $i "
242 [cb _hide_tooltip]
243 set cursorX %x
244 set cursorY %y
245 set cursorW %W
246 tk_popup $w.ctxm %X %Y
247 "
248 }
249 foreach i [list \
251 $w_cgrp \
252 $w_line \
253 $w_file \
254 $w_cmit] {
255 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
256 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
257 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
258 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
259 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
260 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
261 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
262 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
263 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
264 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
265 }
266 bind $w_cmit <Button-1> [list focus $w_cmit]
268 bind $top <Visibility> [list focus $top]
269 bind $w_file <Destroy> [list delete_this $this]
270 grid configure $w.header -sticky ew
272 grid configure $w.file_pane -sticky nsew
273 grid configure $w.status -sticky ew
274 grid columnconfigure $top 0 -weight 1
275 grid rowconfigure $top 0 -weight 0
276 grid rowconfigure $top 1 -weight 1
277 grid rowconfigure $top 2 -weight 0
278 set req_w [winfo reqwidth $top]
280 set req_h [winfo reqheight $top]
281 if {$req_w < 600} {set req_w 600}
282 if {$req_h < 400} {set req_h 400}
283 set g "${req_w}x${req_h}"
284 wm geometry $top $g
285 update
286 set old_height [winfo height $w.file_pane]
288 $w.file_pane sash place 0 \
289 [lindex [$w.file_pane sash coord 0] 0] \
290 [expr {int($old_height * 0.70)}]
291 bind $w.file_pane <Configure> \
292 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
293 _load $this
295}
296method _load {} {
298 _hide_tooltip $this
299 if {$total_lines != 0 || $current_fd ne {}} {
301 if {$current_fd ne {}} {
302 catch {close $current_fd}
303 set current_fd {}
304 }
305 set highlight_line -1
307 set highlight_commit {}
308 set total_lines 0
309 set blame_lines 0
310 set commit_count 0
311 set commit_list {}
312 array unset order
313 array unset line_commit
314 array unset line_file
315 $w_cgrp conf -state normal
317 $w_line conf -state normal
318 $w_file conf -state normal
319 $w_cgrp delete 0.0 end
321 $w_line delete 0.0 end
322 $w_file delete 0.0 end
323 $w_cgrp conf -state disabled
325 $w_line conf -state disabled
326 $w_file conf -state disabled
327 }
328 if {[winfo exists $w.status.c]} {
330 $w.status.c coords bar 0 0 0 20
331 } else {
332 canvas $w.status.c \
333 -width 100 \
334 -height [expr {int([winfo reqheight $w.status.l] * 0.6)}] \
335 -borderwidth 1 \
336 -relief groove \
337 -highlightt 0
338 $w.status.c create rectangle 0 0 0 20 -tags bar -fill navy
339 pack $w.status.c -side right
340 }
341 if {$history eq {}} {
343 $w_back conf -state disabled
344 } else {
345 $w_back conf -state normal
346 }
347 lappend history [list $commit $path]
348 set status "Loading $commit:[escape_path $path]..."
350 $w_path conf -text [escape_path $path]
351 if {$commit eq {}} {
352 set fd [open $path r]
353 } else {
354 set cmd [list git cat-file blob "$commit:$path"]
355 set fd [open "| $cmd" r]
356 }
357 fconfigure $fd -blocking 0 -translation lf -encoding binary
358 fileevent $fd readable [cb _read_file $fd]
359 set current_fd $fd
360}
361method _history_menu {} {
363 set m $w.backmenu
364 if {[winfo exists $m]} {
365 $m delete 0 end
366 } else {
367 menu $m -tearoff 0
368 }
369 for {set i [expr {[llength $history] - 2}]
371 } {$i >= 0} {incr i -1} {
372 set e [lindex $history $i]
373 set c [lindex $e 0]
374 set f [lindex $e 1]
375 if {[regexp {^[0-9a-f]{40}$} $c]} {
377 set t [string range $c 0 8]...
378 } else {
379 set t $c
380 }
381 if {![catch {set summary $header($c,summary)}]} {
382 append t " $summary"
383 if {[string length $t] > 70} {
384 set t [string range $t 0 66]...
385 }
386 }
387 $m add command -label $t -command [cb _goback $i $c $f]
389 }
390 set X [winfo rootx $w_back]
391 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
392 tk_popup $m $X $Y
393}
394method _goback {i c f} {
396 set history [lrange $history 0 [expr {$i - 1}]]
397 set commit $c
398 set path $f
399 _load $this
400}
401method _read_file {fd} {
403 if {$fd ne $current_fd} {
404 catch {close $fd}
405 return
406 }
407 $w_cgrp conf -state normal
409 $w_line conf -state normal
410 $w_file conf -state normal
411 while {[gets $fd line] >= 0} {
412 regsub "\r\$" $line {} line
413 incr total_lines
414 if {$total_lines > 1} {
416 $w_cgrp insert end "\n"
417 $w_line insert end "\n"
418 $w_file insert end "\n"
419 }
420 $w_line insert end "$total_lines" linenumber
422 $w_file insert end "$line"
423 }
424 $w_cgrp conf -state disabled
425 $w_line conf -state disabled
426 $w_file conf -state disabled
427 if {[eof $fd]} {
429 close $fd
430 _status $this
431 set cmd {nice git blame -M -C --incremental}
432 if {$commit eq {}} {
433 lappend cmd --contents $path
434 } else {
435 lappend cmd $commit
436 }
437 lappend cmd -- $path
438 set fd [open "| $cmd" r]
439 fconfigure $fd -blocking 0 -translation lf -encoding binary
440 fileevent $fd readable [cb _read_blame $fd]
441 set current_fd $fd
442 }
443} ifdeleted { catch {close $fd} }
444method _read_blame {fd} {
446 variable group_colors
447 if {$fd ne $current_fd} {
449 catch {close $fd}
450 return
451 }
452 $w_cgrp conf -state normal
454 while {[gets $fd line] >= 0} {
455 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
456 cmit original_line final_line line_count]} {
457 set r_commit $cmit
458 set r_orig_line $original_line
459 set r_final_line $final_line
460 set r_line_count $line_count
461 if {[catch {set g $order($cmit)}]} {
463 set bg [lindex $group_colors 0]
464 set group_colors [lrange $group_colors 1 end]
465 lappend group_colors $bg
466 $w_cgrp tag conf g$cmit -background $bg
468 $w_line tag conf g$cmit -background $bg
469 $w_file tag conf g$cmit -background $bg
470 set order($cmit) $commit_count
472 incr commit_count
473 lappend commit_list $cmit
474 }
475 } elseif {[string match {filename *} $line]} {
476 set file [string range $line 9 end]
477 set n $r_line_count
478 set lno $r_final_line
479 set cmit $r_commit
480 if {[regexp {^0{40}$} $cmit]} {
482 set commit_abbr work
483 set commit_type curr_commit
484 } elseif {$cmit eq $commit} {
485 set commit_abbr this
486 set commit_type curr_commit
487 } else {
488 set commit_type prior_commit
489 set commit_abbr [string range $cmit 0 4]
490 }
491 set author_abbr {}
493 set a_name {}
494 catch {set a_name $header($cmit,author)}
495 while {$a_name ne {}} {
496 if {![regexp {^([[:upper:]])} $a_name _a]} break
497 append author_abbr $_a
498 unset _a
499 if {![regsub \
500 {^[[:upper:]][^\s]*\s+} \
501 $a_name {} a_name ]} break
502 }
503 if {$author_abbr eq {}} {
504 set author_abbr { |}
505 } else {
506 set author_abbr [string range $author_abbr 0 3]
507 while {[string length $author_abbr] < 4} {
508 set author_abbr " $author_abbr"
509 }
510 }
511 unset a_name
512 set first_lno $lno
514 while {
515 ![catch {set ncmit $line_commit([expr {$first_lno - 1}])}]
516 && ![catch {set nfile $line_file([expr {$first_lno - 1}])}]
517 && $ncmit eq $cmit
518 && $nfile eq $file
519 } {
520 incr first_lno -1
521 }
522 while {$n > 0} {
524 set lno_e "$lno.0 lineend + 1c"
525 if {![catch {set g g$line_commit($lno)}]} {
526 $w_cgrp tag remove g$g $lno.0 $lno_e
527 $w_line tag remove g$g $lno.0 $lno_e
528 $w_file tag remove g$g $lno.0 $lno_e
529 $w_cgrp tag remove a$g $lno.0 $lno_e
531 $w_line tag remove a$g $lno.0 $lno_e
532 $w_file tag remove a$g $lno.0 $lno_e
533 }
534 set line_commit($lno) $cmit
536 set line_file($lno) $file
537 $w_cgrp delete $lno.0 "$lno.0 lineend"
539 if {$lno == $first_lno} {
540 $w_cgrp insert $lno.0 $commit_abbr $commit_type
541 } elseif {$lno == [expr {$first_lno + 1}]} {
542 $w_cgrp insert $lno.0 $author_abbr
543 } else {
544 $w_cgrp insert $lno.0 { |}
545 }
546 $w_cgrp tag add g$cmit $lno.0 $lno_e
548 $w_line tag add g$cmit $lno.0 $lno_e
549 $w_file tag add g$cmit $lno.0 $lno_e
550 $w_cgrp tag add a$cmit $lno.0 $lno_e
552 $w_line tag add a$cmit $lno.0 $lno_e
553 $w_file tag add a$cmit $lno.0 $lno_e
554 if {$highlight_line == -1} {
556 if {[lindex [$w_file yview] 0] == 0} {
557 $w_file see $lno.0
558 _showcommit $this $lno
559 }
560 } elseif {$highlight_line == $lno} {
561 _showcommit $this $lno
562 }
563 incr n -1
565 incr lno
566 incr blame_lines
567 }
568 while {
570 ![catch {set ncmit $line_commit($lno)}]
571 && ![catch {set nfile $line_file($lno)}]
572 && $ncmit eq $cmit
573 && $nfile eq $file
574 } {
575 $w_cgrp delete $lno.0 "$lno.0 lineend"
576 if {$lno == $first_lno} {
578 $w_cgrp insert $lno.0 $commit_abbr $commit_type
579 } elseif {$lno == [expr {$first_lno + 1}]} {
580 $w_cgrp insert $lno.0 $author_abbr
581 } else {
582 $w_cgrp insert $lno.0 { |}
583 }
584 incr lno
585 }
586 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
588 set header($r_commit,$key) $data
589 }
590 }
591 $w_cgrp conf -state disabled
592 if {[eof $fd]} {
594 close $fd
595 set current_fd {}
596 set status {Annotation complete.}
597 destroy $w.status.c
598 } else {
599 _status $this
600 }
601} ifdeleted { catch {close $fd} }
602method _status {} {
604 set have $blame_lines
605 set total $total_lines
606 set pdone 0
607 if {$total} {set pdone [expr {100 * $have / $total}]}
608 set status [format \
610 "Loading annotations... %i of %i lines annotated (%2i%%)" \
611 $have $total $pdone]
612 $w.status.c coords bar 0 0 $pdone 20
613}
614method _click {cur_w pos} {
616 set lno [lindex [split [$cur_w index $pos] .] 0]
617 if {$lno eq {}} return
618 _showcommit $this $lno
619}
620method _load_commit {pos} {
622 set lno [lindex [split [$w_cgrp index $pos] .] 0]
623 if {[catch {set cmit $line_commit($lno)}]} return
624 if {[catch {set file $line_file($lno) }]} return
625 set commit $cmit
627 set path $file
628 _load $this
629}
630method _showcommit {lno} {
632 global repo_config
633 variable active_color
634 if {$highlight_commit ne {}} {
636 set cmit $highlight_commit
637 $w_cgrp tag conf a$cmit -background {}
638 $w_line tag conf a$cmit -background {}
639 $w_file tag conf a$cmit -background {}
640 }
641 $w_cmit conf -state normal
643 $w_cmit delete 0.0 end
644 if {[catch {set cmit $line_commit($lno)}]} {
645 set cmit {}
646 $w_cmit insert end "Loading annotation..."
647 } else {
648 $w_cgrp tag conf a$cmit -background $active_color
649 $w_line tag conf a$cmit -background $active_color
650 $w_file tag conf a$cmit -background $active_color
651 set author_name {}
653 set author_email {}
654 set author_time {}
655 catch {set author_name $header($cmit,author)}
656 catch {set author_email $header($cmit,author-mail)}
657 catch {set author_time [clock format \
658 $header($cmit,author-time) \
659 -format {%Y-%m-%d %H:%M:%S}
660 ]}
661 set committer_name {}
663 set committer_email {}
664 set committer_time {}
665 catch {set committer_name $header($cmit,committer)}
666 catch {set committer_email $header($cmit,committer-mail)}
667 catch {set committer_time [clock format \
668 $header($cmit,committer-time) \
669 -format {%Y-%m-%d %H:%M:%S}
670 ]}
671 if {[catch {set msg $header($cmit,message)}]} {
673 set msg {}
674 catch {
675 set fd [open "| git cat-file commit $cmit" r]
676 fconfigure $fd -encoding binary -translation lf
677 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
678 set enc utf-8
679 }
680 while {[gets $fd line] > 0} {
681 if {[string match {encoding *} $line]} {
682 set enc [string tolower [string range $line 9 end]]
683 }
684 }
685 set msg [encoding convertfrom $enc [read $fd]]
686 set msg [string trim $msg]
687 close $fd
688 set author_name [encoding convertfrom $enc $author_name]
690 set committer_name [encoding convertfrom $enc $committer_name]
691 set header($cmit,author) $author_name
693 set header($cmit,committer) $committer_name
694 }
695 set header($cmit,message) $msg
696 }
697 $w_cmit insert end "commit $cmit\n" header_key
699 $w_cmit insert end "Author:\t" header_key
700 $w_cmit insert end "$author_name $author_email" header_val
701 $w_cmit insert end "$author_time\n" header_val
702 $w_cmit insert end "Committer:\t" header_key
704 $w_cmit insert end "$committer_name $committer_email" header_val
705 $w_cmit insert end "$committer_time\n" header_val
706 if {$line_file($lno) ne $path} {
708 $w_cmit insert end "Original File:\t" header_key
709 $w_cmit insert end "[escape_path $line_file($lno)]\n" header_val
710 }
711 $w_cmit insert end "\n$msg"
713 }
714 $w_cmit conf -state disabled
715 set highlight_line $lno
717 set highlight_commit $cmit
718 if {$highlight_commit eq $tooltip_commit} {
720 _hide_tooltip $this
721 }
722}
723method _copycommit {} {
725 set pos @$::cursorX,$::cursorY
726 set lno [lindex [split [$::cursorW index $pos] .] 0]
727 if {![catch {set commit $line_commit($lno)}]} {
728 clipboard clear
729 clipboard append \
730 -format STRING \
731 -type STRING \
732 -- $commit
733 }
734}
735method _show_tooltip {cur_w pos} {
737 set lno [lindex [split [$cur_w index $pos] .] 0]
738 if {[catch {set cmit $line_commit($lno)}]} {
739 _hide_tooltip $this
740 return
741 }
742 if {$cmit eq $highlight_commit} {
744 _hide_tooltip $this
745 return
746 }
747 if {$cmit eq $tooltip_commit} {
749 _position_tooltip $this
750 } elseif {$tooltip_wm ne {}} {
751 _open_tooltip $this $cur_w
752 } elseif {$tooltip_timer eq {}} {
753 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
754 }
755}
756method _open_tooltip {cur_w} {
758 set tooltip_timer {}
759 set pos_x [winfo pointerx $cur_w]
760 set pos_y [winfo pointery $cur_w]
761 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
762 _hide_tooltip $this
763 return
764 }
765 set pos @[join [list \
767 [expr {$pos_x - [winfo rootx $cur_w]}] \
768 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
769 set lno [lindex [split [$cur_w index $pos] .] 0]
770 set cmit $line_commit($lno)
771 set author_name {}
773 set author_email {}
774 set author_time {}
775 catch {set author_name $header($cmit,author)}
776 catch {set author_email $header($cmit,author-mail)}
777 catch {set author_time [clock format \
778 $header($cmit,author-time) \
779 -format {%Y-%m-%d %H:%M:%S}
780 ]}
781 set committer_name {}
783 set committer_email {}
784 set committer_time {}
785 catch {set committer_name $header($cmit,committer)}
786 catch {set committer_email $header($cmit,committer-mail)}
787 catch {set committer_time [clock format \
788 $header($cmit,committer-time) \
789 -format {%Y-%m-%d %H:%M:%S}
790 ]}
791 set summary {}
793 catch {set summary $header($cmit,summary)}
794 set tooltip_commit $cmit
796 set tooltip_text "commit $cmit
797$author_name $author_email $author_time
798$summary"
799 set file $line_file($lno)
801 if {$file ne $path} {
802 append tooltip_text "
803Original File: $file"
805 }
806 if {$tooltip_wm ne "$cur_w.tooltip"} {
808 _hide_tooltip $this
809 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
811 wm overrideredirect $tooltip_wm 1
812 wm transient $tooltip_wm [winfo toplevel $cur_w]
813 pack [label $tooltip_wm.label \
814 -background lightyellow \
815 -foreground black \
816 -textvariable @tooltip_text \
817 -justify left]
818 }
819 _position_tooltip $this
820}
821method _position_tooltip {} {
823 set req_w [winfo reqwidth $tooltip_wm.label]
824 set req_h [winfo reqheight $tooltip_wm.label]
825 set pos_x [expr {[winfo pointerx .] + 5}]
826 set pos_y [expr {[winfo pointery .] + 10}]
827 set g "${req_w}x${req_h}"
829 if {$pos_x >= 0} {append g +}
830 append g $pos_x
831 if {$pos_y >= 0} {append g +}
832 append g $pos_y
833 wm geometry $tooltip_wm $g
835 raise $tooltip_wm
836}
837method _hide_tooltip {} {
839 if {$tooltip_wm ne {}} {
840 destroy $tooltip_wm
841 set tooltip_wm {}
842 set tooltip_commit {}
843 }
844 if {$tooltip_timer ne {}} {
845 after cancel $tooltip_timer
846 set tooltip_timer {}
847 }
848}
849method _resize {new_height} {
851 set diff [expr {$new_height - $old_height}]
852 if {$diff == 0} return
853 set my [expr {[winfo height $w.file_pane] - 25}]
855 set o [$w.file_pane sash coord 0]
856 set ox [lindex $o 0]
857 set oy [expr {[lindex $o 1] + $diff}]
858 if {$oy < 0} {set oy 0}
859 if {$oy > $my} {set oy $my}
860 $w.file_pane sash place 0 $ox $oy
861 set old_height $new_height
863}
864}