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Initial bulk commit for "Git on MSys"
[msysgit/historical-msysgit.git] / git / git-gui / lib / blame.tcl
blob4bdb9a27a3dbcc60957f1a4eaed123faf3952bac
1 # git-gui blame viewer
2 # Copyright (C) 2006, 2007 Shawn Pearce
3
4 class blame {
5
6 image create photo ::blame::img_back_arrow -data {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}
7
8 # Persistant data (survives loads)
9 #
10 field history {}; # viewer history: {commit path}
11 field header ; # array commit,key -> header field
12
13 # Tk UI control paths
14 #
15 field w ; # top window in this viewer
16 field w_back ; # our back button
17 field w_path ; # label showing the current file path
18 field w_columns ; # list of all column widgets in the viewer
19 field w_line ; # text column: all line numbers
20 field w_amov ; # text column: annotations + move tracking
21 field w_asim ; # text column: annotations (simple computation)
22 field w_file ; # text column: actual file data
23 field w_cviewer ; # pane showing commit message
24 field status ; # status mega-widget instance
25 field old_height ; # last known height of $w.file_pane
26
27 # Tk UI colors
28 #
29 variable active_color #c0edc5
30 variable group_colors {
31 #d6d6d6
32 #e1e1e1
33 #ececec
34 }
35
36 # Switches for original location detection
37 #
38 variable original_options [list -C -C]
39 if {[git-version >= 1.5.3]} {
40 lappend original_options -w ; # ignore indentation changes
41 }
42
43 # Current blame data; cleared/reset on each load
44 #
45 field commit ; # input commit to blame
46 field path ; # input filename to view in $commit
47
48 field current_fd {} ; # background process running
49 field highlight_line -1 ; # current line selected
50 field highlight_column {} ; # current commit column selected
51 field highlight_commit {} ; # sha1 of commit selected
52
53 field total_lines 0 ; # total length of file
54 field blame_lines 0 ; # number of lines computed
55 field amov_data ; # list of {commit origfile origline}
56 field asim_data ; # list of {commit origfile origline}
57
58 field r_commit ; # commit currently being parsed
59 field r_orig_line ; # original line number
60 field r_final_line ; # final line number
61 field r_line_count ; # lines in this region
62
63 field tooltip_wm {} ; # Current tooltip toplevel, if open
64 field tooltip_t {} ; # Text widget in $tooltip_wm
65 field tooltip_timer {} ; # Current timer event for our tooltip
66 field tooltip_commit {} ; # Commit(s) in tooltip
67
68 constructor new {i_commit i_path} {
69 global cursor_ptr
70 variable active_color
71 variable group_colors
72
73 set commit $i_commit
74 set path $i_path
75
76 make_toplevel top w
77 wm title $top "[appname] ([reponame]): File Viewer"
78
79 frame $w.header -background gold
80 label $w.header.commit_l \
81 -text {Commit:} \
82 -background gold \
83 -anchor w \
84 -justify left
85 set w_back $w.header.commit_b
86 label $w_back \
87 -image ::blame::img_back_arrow \
88 -borderwidth 0 \
89 -relief flat \
90 -state disabled \
91 -background gold \
92 -activebackground gold
93 bind $w_back <Button-1> "
94 if {\[$w_back cget -state\] eq {normal}} {
95 [cb _history_menu]
96 }
97 "
98 label $w.header.commit \
99 -textvariable @commit \
100 -background gold \
101 -anchor w \
102 -justify left
103 label $w.header.path_l \
104 -text {File:} \
105 -background gold \
106 -anchor w \
107 -justify left
108 set w_path $w.header.path
109 label $w_path \
110 -background gold \
111 -anchor w \
112 -justify left
113 pack $w.header.commit_l -side left
114 pack $w_back -side left
115 pack $w.header.commit -side left
116 pack $w_path -fill x -side right
117 pack $w.header.path_l -side right
118
119 panedwindow $w.file_pane -orient vertical
120 frame $w.file_pane.out
121 frame $w.file_pane.cm
122 $w.file_pane add $w.file_pane.out \
123 -sticky nsew \
124 -minsize 100 \
125 -height 100 \
126 -width 100
127 $w.file_pane add $w.file_pane.cm \
128 -sticky nsew \
129 -minsize 25 \
130 -height 25 \
131 -width 100
132
133 set w_line $w.file_pane.out.linenumber_t
134 text $w_line \
135 -takefocus 0 \
136 -highlightthickness 0 \
137 -padx 0 -pady 0 \
138 -background white -borderwidth 0 \
139 -state disabled \
140 -wrap none \
141 -height 40 \
142 -width 6 \
143 -font font_diff
144 $w_line tag conf linenumber -justify right -rmargin 5
145
146 set w_amov $w.file_pane.out.amove_t
147 text $w_amov \
148 -takefocus 0 \
149 -highlightthickness 0 \
150 -padx 0 -pady 0 \
151 -background white -borderwidth 0 \
152 -state disabled \
153 -wrap none \
154 -height 40 \
155 -width 5 \
156 -font font_diff
157 $w_amov tag conf author_abbr -justify right -rmargin 5
158 $w_amov tag conf curr_commit
159 $w_amov tag conf prior_commit -foreground blue -underline 1
160 $w_amov tag bind prior_commit \
161 <Button-1> \
162 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
163
164 set w_asim $w.file_pane.out.asimple_t
165 text $w_asim \
166 -takefocus 0 \
167 -highlightthickness 0 \
168 -padx 0 -pady 0 \
169 -background white -borderwidth 0 \
170 -state disabled \
171 -wrap none \
172 -height 40 \
173 -width 4 \
174 -font font_diff
175 $w_asim tag conf author_abbr -justify right
176 $w_asim tag conf curr_commit
177 $w_asim tag conf prior_commit -foreground blue -underline 1
178 $w_asim tag bind prior_commit \
179 <Button-1> \
180 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
181
182 set w_file $w.file_pane.out.file_t
183 text $w_file \
184 -takefocus 0 \
185 -highlightthickness 0 \
186 -padx 0 -pady 0 \
187 -background white -borderwidth 0 \
188 -state disabled \
189 -wrap none \
190 -height 40 \
191 -width 80 \
192 -xscrollcommand [list $w.file_pane.out.sbx set] \
193 -font font_diff
194
195 set w_columns [list $w_amov $w_asim $w_line $w_file]
196
197 scrollbar $w.file_pane.out.sbx \
198 -orient h \
199 -command [list $w_file xview]
200 scrollbar $w.file_pane.out.sby \
201 -orient v \
202 -command [list scrollbar2many $w_columns yview]
203 eval grid $w_columns $w.file_pane.out.sby -sticky nsew
204 grid conf \
205 $w.file_pane.out.sbx \
206 -column [expr {[llength $w_columns] - 1}] \
207 -sticky we
208 grid columnconfigure \
209 $w.file_pane.out \
210 [expr {[llength $w_columns] - 1}] \
211 -weight 1
212 grid rowconfigure $w.file_pane.out 0 -weight 1
213
214 set w_cviewer $w.file_pane.cm.t
215 text $w_cviewer \
216 -background white -borderwidth 0 \
217 -state disabled \
218 -wrap none \
219 -height 10 \
220 -width 80 \
221 -xscrollcommand [list $w.file_pane.cm.sbx set] \
222 -yscrollcommand [list $w.file_pane.cm.sby set] \
223 -font font_diff
224 $w_cviewer tag conf still_loading \
225 -font font_uiitalic \
226 -justify center
227 $w_cviewer tag conf header_key \
228 -tabs {3c} \
229 -background $active_color \
230 -font font_uibold
231 $w_cviewer tag conf header_val \
232 -background $active_color \
233 -font font_ui
234 $w_cviewer tag raise sel
235 scrollbar $w.file_pane.cm.sbx \
236 -orient h \
237 -command [list $w_cviewer xview]
238 scrollbar $w.file_pane.cm.sby \
239 -orient v \
240 -command [list $w_cviewer yview]
241 pack $w.file_pane.cm.sby -side right -fill y
242 pack $w.file_pane.cm.sbx -side bottom -fill x
243 pack $w_cviewer -expand 1 -fill both
244
245 set status [::status_bar::new $w.status]
246
247 menu $w.ctxm -tearoff 0
248 $w.ctxm add command \
249 -label "Copy Commit" \
250 -command [cb _copycommit]
251
252 foreach i $w_columns {
253 for {set g 0} {$g < [llength $group_colors]} {incr g} {
254 $i tag conf color$g -background [lindex $group_colors $g]
255 }
256
257 $i conf -cursor $cursor_ptr
258 $i conf -yscrollcommand [list many2scrollbar \
259 $w_columns yview $w.file_pane.out.sby]
260 bind $i <Button-1> "
261 [cb _hide_tooltip]
262 [cb _click $i @%x,%y]
263 focus $i
264 "
265 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
266 bind $i <Any-Enter> [cb _hide_tooltip]
267 bind $i <Any-Leave> [cb _hide_tooltip]
268 bind_button3 $i "
269 [cb _hide_tooltip]
270 set cursorX %x
271 set cursorY %y
272 set cursorW %W
273 tk_popup $w.ctxm %X %Y
274 "
275 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
276 bind $i <Tab> "[list focus $w_cviewer];break"
277 }
278
279 foreach i [concat $w_columns $w_cviewer] {
280 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
281 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
282 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
283 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
284 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
285 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
286 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
287 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
288 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
289 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
290 }
291
292 bind $w_cviewer <Shift-Tab> "[list focus $w_file];break"
293 bind $w_cviewer <Tab> "[list focus $w_file];break"
294 bind $w_cviewer <Button-1> [list focus $w_cviewer]
295 bind $w_file <Visibility> [list focus $w_file]
296
297 grid configure $w.header -sticky ew
298 grid configure $w.file_pane -sticky nsew
299 grid configure $w.status -sticky ew
300 grid columnconfigure $top 0 -weight 1
301 grid rowconfigure $top 0 -weight 0
302 grid rowconfigure $top 1 -weight 1
303 grid rowconfigure $top 2 -weight 0
304
305 set req_w [winfo reqwidth $top]
306 set req_h [winfo reqheight $top]
307 set scr_h [expr {[winfo screenheight $top] - 100}]
308 if {$req_w < 600} {set req_w 600}
309 if {$req_h < $scr_h} {set req_h $scr_h}
310 set g "${req_w}x${req_h}"
311 wm geometry $top $g
312 update
313
314 set old_height [winfo height $w.file_pane]
315 $w.file_pane sash place 0 \
316 [lindex [$w.file_pane sash coord 0] 0] \
317 [expr {int($old_height * 0.70)}]
318 bind $w.file_pane <Configure> \
319 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
320
321 _load $this {}
322 }
323
324 method _load {jump} {
325 variable group_colors
326
327 _hide_tooltip $this
328
329 if {$total_lines != 0 || $current_fd ne {}} {
330 if {$current_fd ne {}} {
331 catch {close $current_fd}
332 set current_fd {}
333 }
334
335 foreach i $w_columns {
336 $i conf -state normal
337 $i delete 0.0 end
338 foreach g [$i tag names] {
339 if {[regexp {^g[0-9a-f]{40}$} $g]} {
340 $i tag delete $g
341 }
342 }
343 $i conf -state disabled
344 }
345
346 $w_cviewer conf -state normal
347 $w_cviewer delete 0.0 end
348 $w_cviewer conf -state disabled
349
350 set highlight_line -1
351 set highlight_column {}
352 set highlight_commit {}
353 set total_lines 0
354 }
355
356 if {$history eq {}} {
357 $w_back conf -state disabled
358 } else {
359 $w_back conf -state normal
360 }
361
362 # Index 0 is always empty. There is never line 0 as
363 # we use only 1 based lines, as that matches both with
364 # git-blame output and with Tk's text widget.
365 #
366 set amov_data [list [list]]
367 set asim_data [list [list]]
368
369 $status show "Reading $commit:[escape_path $path]..."
370 $w_path conf -text [escape_path $path]
371 if {$commit eq {}} {
372 set fd [open $path r]
373 } else {
374 set fd [git_read cat-file blob "$commit:$path"]
375 }
376 fconfigure $fd -blocking 0 -translation lf -encoding binary
377 fileevent $fd readable [cb _read_file $fd $jump]
378 set current_fd $fd
379 }
380
381 method _history_menu {} {
382 set m $w.backmenu
383 if {[winfo exists $m]} {
384 $m delete 0 end
385 } else {
386 menu $m -tearoff 0
387 }
388
389 for {set i [expr {[llength $history] - 1}]
390 } {$i >= 0} {incr i -1} {
391 set e [lindex $history $i]
392 set c [lindex $e 0]
393 set f [lindex $e 1]
394
395 if {[regexp {^[0-9a-f]{40}$} $c]} {
396 set t [string range $c 0 8]...
397 } elseif {$c eq {}} {
398 set t {Working Directory}
399 } else {
400 set t $c
401 }
402 if {![catch {set summary $header($c,summary)}]} {
403 append t " $summary"
404 if {[string length $t] > 70} {
405 set t [string range $t 0 66]...
406 }
407 }
408
409 $m add command -label $t -command [cb _goback $i]
410 }
411 set X [winfo rootx $w_back]
412 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
413 tk_popup $m $X $Y
414 }
415
416 method _goback {i} {
417 set dat [lindex $history $i]
418 set history [lrange $history 0 [expr {$i - 1}]]
419 set commit [lindex $dat 0]
420 set path [lindex $dat 1]
421 _load $this [lrange $dat 2 5]
422 }
423
424 method _read_file {fd jump} {
425 if {$fd ne $current_fd} {
426 catch {close $fd}
427 return
428 }
429
430 foreach i $w_columns {$i conf -state normal}
431 while {[gets $fd line] >= 0} {
432 regsub "\r\$" $line {} line
433 incr total_lines
434 lappend amov_data {}
435 lappend asim_data {}
436
437 if {$total_lines > 1} {
438 foreach i $w_columns {$i insert end "\n"}
439 }
440
441 $w_line insert end "$total_lines" linenumber
442 $w_file insert end "$line"
443 }
444
445 set ln_wc [expr {[string length $total_lines] + 2}]
446 if {[$w_line cget -width] < $ln_wc} {
447 $w_line conf -width $ln_wc
448 }
449
450 foreach i $w_columns {$i conf -state disabled}
451
452 if {[eof $fd]} {
453 close $fd
454
455 # If we don't force Tk to update the widgets *right now*
456 # none of our jump commands will cause a change in the UI.
457 #
458 update
459
460 if {[llength $jump] == 1} {
461 set highlight_line [lindex $jump 0]
462 $w_file see "$highlight_line.0"
463 } elseif {[llength $jump] == 4} {
464 set highlight_column [lindex $jump 0]
465 set highlight_line [lindex $jump 1]
466 $w_file xview moveto [lindex $jump 2]
467 $w_file yview moveto [lindex $jump 3]
468 }
469
470 _exec_blame $this $w_asim @asim_data \
471 [list] \
472 { copy/move tracking}
473 }
474 } ifdeleted { catch {close $fd} }
475
476 method _exec_blame {cur_w cur_d options cur_s} {
477 lappend options --incremental
478 if {$commit eq {}} {
479 lappend options --contents $path
480 } else {
481 lappend options $commit
482 }
483 lappend options -- $path
484 set fd [eval git_read --nice blame $options]
485 fconfigure $fd -blocking 0 -translation lf -encoding binary
486 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
487 set current_fd $fd
488 set blame_lines 0
489
490 $status start \
491 "Loading$cur_s annotations..." \
492 {lines annotated}
493 }
494
495 method _read_blame {fd cur_w cur_d} {
496 upvar #0 $cur_d line_data
497 variable group_colors
498 variable original_options
499
500 if {$fd ne $current_fd} {
501 catch {close $fd}
502 return
503 }
504
505 $cur_w conf -state normal
506 while {[gets $fd line] >= 0} {
507 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
508 cmit original_line final_line line_count]} {
509 set r_commit $cmit
510 set r_orig_line $original_line
511 set r_final_line $final_line
512 set r_line_count $line_count
513 } elseif {[string match {filename *} $line]} {
514 set file [string range $line 9 end]
515 set n $r_line_count
516 set lno $r_final_line
517 set oln $r_orig_line
518 set cmit $r_commit
519
520 if {[regexp {^0{40}$} $cmit]} {
521 set commit_abbr work
522 set commit_type curr_commit
523 } elseif {$cmit eq $commit} {
524 set commit_abbr this
525 set commit_type curr_commit
526 } else {
527 set commit_type prior_commit
528 set commit_abbr [string range $cmit 0 3]
529 }
530
531 set author_abbr {}
532 set a_name {}
533 catch {set a_name $header($cmit,author)}
534 while {$a_name ne {}} {
535 if {$author_abbr ne {}
536 && [string index $a_name 0] eq {'}} {
537 regsub {^'[^']+'\s+} $a_name {} a_name
538 }
539 if {![regexp {^([[:upper:]])} $a_name _a]} break
540 append author_abbr $_a
541 unset _a
542 if {![regsub \
543 {^[[:upper:]][^\s]*\s+} \
544 $a_name {} a_name ]} break
545 }
546 if {$author_abbr eq {}} {
547 set author_abbr { |}
548 } else {
549 set author_abbr [string range $author_abbr 0 3]
550 }
551 unset a_name
552
553 set first_lno $lno
554 while {
555 $first_lno > 1
556 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
557 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
558 } {
559 incr first_lno -1
560 }
561
562 set color {}
563 if {$first_lno < $lno} {
564 foreach g [$w_file tag names $first_lno.0] {
565 if {[regexp {^color[0-9]+$} $g]} {
566 set color $g
567 break
568 }
569 }
570 } else {
571 set i [lsort [concat \
572 [$w_file tag names "[expr {$first_lno - 1}].0"] \
573 [$w_file tag names "[expr {$lno + $n}].0"] \
574 ]]
575 for {set g 0} {$g < [llength $group_colors]} {incr g} {
576 if {[lsearch -sorted -exact $i color$g] == -1} {
577 set color color$g
578 break
579 }
580 }
581 }
582 if {$color eq {}} {
583 set color color0
584 }
585
586 while {$n > 0} {
587 set lno_e "$lno.0 lineend + 1c"
588 if {[lindex $line_data $lno] ne {}} {
589 set g [lindex $line_data $lno 0]
590 foreach i $w_columns {
591 $i tag remove g$g $lno.0 $lno_e
592 }
593 }
594 lset line_data $lno [list $cmit $file $oln]
595
596 $cur_w delete $lno.0 "$lno.0 lineend"
597 if {$lno == $first_lno} {
598 $cur_w insert $lno.0 $commit_abbr $commit_type
599 } elseif {$lno == [expr {$first_lno + 1}]} {
600 $cur_w insert $lno.0 $author_abbr author_abbr
601 } else {
602 $cur_w insert $lno.0 { |}
603 }
604
605 foreach i $w_columns {
606 if {$cur_w eq $w_amov} {
607 for {set g 0} \
608 {$g < [llength $group_colors]} \
609 {incr g} {
610 $i tag remove color$g $lno.0 $lno_e
611 }
612 $i tag add $color $lno.0 $lno_e
613 }
614 $i tag add g$cmit $lno.0 $lno_e
615 }
616
617 if {$highlight_column eq $cur_w} {
618 if {$highlight_line == -1
619 && [lindex [$w_file yview] 0] == 0} {
620 $w_file see $lno.0
621 set highlight_line $lno
622 }
623 if {$highlight_line == $lno} {
624 _showcommit $this $cur_w $lno
625 }
626 }
627
628 incr n -1
629 incr lno
630 incr oln
631 incr blame_lines
632 }
633
634 while {
635 $cmit eq [lindex $line_data $lno 0]
636 && $file eq [lindex $line_data $lno 1]
637 } {
638 $cur_w delete $lno.0 "$lno.0 lineend"
639
640 if {$lno == $first_lno} {
641 $cur_w insert $lno.0 $commit_abbr $commit_type
642 } elseif {$lno == [expr {$first_lno + 1}]} {
643 $cur_w insert $lno.0 $author_abbr author_abbr
644 } else {
645 $cur_w insert $lno.0 { |}
646 }
647
648 if {$cur_w eq $w_amov} {
649 foreach i $w_columns {
650 for {set g 0} \
651 {$g < [llength $group_colors]} \
652 {incr g} {
653 $i tag remove color$g $lno.0 $lno_e
654 }
655 $i tag add $color $lno.0 $lno_e
656 }
657 }
658
659 incr lno
660 }
661
662 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
663 set header($r_commit,$key) $data
664 }
665 }
666 $cur_w conf -state disabled
667
668 if {[eof $fd]} {
669 close $fd
670 if {$cur_w eq $w_asim} {
671 _exec_blame $this $w_amov @amov_data \
672 $original_options \
673 { original location}
674 } else {
675 set current_fd {}
676 $status stop {Annotation complete.}
677 }
678 } else {
679 $status update $blame_lines $total_lines
680 }
681 } ifdeleted { catch {close $fd} }
682
683 method _click {cur_w pos} {
684 set lno [lindex [split [$cur_w index $pos] .] 0]
685 _showcommit $this $cur_w $lno
686 }
687
688 method _load_commit {cur_w cur_d pos} {
689 upvar #0 $cur_d line_data
690 set lno [lindex [split [$cur_w index $pos] .] 0]
691 set dat [lindex $line_data $lno]
692 if {$dat ne {}} {
693 lappend history [list \
694 $commit $path \
695 $highlight_column \
696 $highlight_line \
697 [lindex [$w_file xview] 0] \
698 [lindex [$w_file yview] 0] \
699 ]
700 set commit [lindex $dat 0]
701 set path [lindex $dat 1]
702 _load $this [list [lindex $dat 2]]
703 }
704 }
705
706 method _showcommit {cur_w lno} {
707 global repo_config
708 variable active_color
709
710 if {$highlight_commit ne {}} {
711 foreach i $w_columns {
712 $i tag conf g$highlight_commit -background {}
713 $i tag lower g$highlight_commit
714 }
715 }
716
717 if {$cur_w eq $w_asim} {
718 set dat [lindex $asim_data $lno]
719 set highlight_column $w_asim
720 } else {
721 set dat [lindex $amov_data $lno]
722 set highlight_column $w_amov
723 }
724
725 $w_cviewer conf -state normal
726 $w_cviewer delete 0.0 end
727
728 if {$dat eq {}} {
729 set cmit {}
730 $w_cviewer insert end "Loading annotation..." still_loading
731 } else {
732 set cmit [lindex $dat 0]
733 set file [lindex $dat 1]
734
735 foreach i $w_columns {
736 $i tag conf g$cmit -background $active_color
737 $i tag raise g$cmit
738 }
739
740 set author_name {}
741 set author_email {}
742 set author_time {}
743 catch {set author_name $header($cmit,author)}
744 catch {set author_email $header($cmit,author-mail)}
745 catch {set author_time [clock format \
746 $header($cmit,author-time) \
747 -format {%Y-%m-%d %H:%M:%S}
748 ]}
749
750 set committer_name {}
751 set committer_email {}
752 set committer_time {}
753 catch {set committer_name $header($cmit,committer)}
754 catch {set committer_email $header($cmit,committer-mail)}
755 catch {set committer_time [clock format \
756 $header($cmit,committer-time) \
757 -format {%Y-%m-%d %H:%M:%S}
758 ]}
759
760 if {[catch {set msg $header($cmit,message)}]} {
761 set msg {}
762 catch {
763 set fd [git_read cat-file commit $cmit]
764 fconfigure $fd -encoding binary -translation lf
765 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
766 set enc utf-8
767 }
768 while {[gets $fd line] > 0} {
769 if {[string match {encoding *} $line]} {
770 set enc [string tolower [string range $line 9 end]]
771 }
772 }
773 set msg [encoding convertfrom $enc [read $fd]]
774 set msg [string trim $msg]
775 close $fd
776
777 set author_name [encoding convertfrom $enc $author_name]
778 set committer_name [encoding convertfrom $enc $committer_name]
779
780 set header($cmit,author) $author_name
781 set header($cmit,committer) $committer_name
782 }
783 set header($cmit,message) $msg
784 }
785
786 $w_cviewer insert end "commit $cmit\n" header_key
787 $w_cviewer insert end "Author:\t" header_key
788 $w_cviewer insert end "$author_name $author_email" header_val
789 $w_cviewer insert end " $author_time\n" header_val
790
791 $w_cviewer insert end "Committer:\t" header_key
792 $w_cviewer insert end "$committer_name $committer_email" header_val
793 $w_cviewer insert end " $committer_time\n" header_val
794
795 if {$file ne $path} {
796 $w_cviewer insert end "Original File:\t" header_key
797 $w_cviewer insert end "[escape_path $file]\n" header_val
798 }
799
800 $w_cviewer insert end "\n$msg"
801 }
802 $w_cviewer conf -state disabled
803
804 set highlight_line $lno
805 set highlight_commit $cmit
806
807 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
808 _hide_tooltip $this
809 }
810 }
811
812 method _copycommit {} {
813 set pos @$::cursorX,$::cursorY
814 set lno [lindex [split [$::cursorW index $pos] .] 0]
815 set dat [lindex $amov_data $lno]
816 if {$dat ne {}} {
817 clipboard clear
818 clipboard append \
819 -format STRING \
820 -type STRING \
821 -- [lindex $dat 0]
822 }
823 }
824
825 method _show_tooltip {cur_w pos} {
826 if {$tooltip_wm ne {}} {
827 _open_tooltip $this $cur_w
828 } elseif {$tooltip_timer eq {}} {
829 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
830 }
831 }
832
833 method _open_tooltip {cur_w} {
834 set tooltip_timer {}
835 set pos_x [winfo pointerx $cur_w]
836 set pos_y [winfo pointery $cur_w]
837 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
838 _hide_tooltip $this
839 return
840 }
841
842 if {$tooltip_wm ne "$cur_w.tooltip"} {
843 _hide_tooltip $this
844
845 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
846 wm overrideredirect $tooltip_wm 1
847 wm transient $tooltip_wm [winfo toplevel $cur_w]
848 set tooltip_t $tooltip_wm.label
849 text $tooltip_t \
850 -takefocus 0 \
851 -highlightthickness 0 \
852 -relief flat \
853 -borderwidth 0 \
854 -wrap none \
855 -background lightyellow \
856 -foreground black
857 $tooltip_t tag conf section_header -font font_uibold
858 pack $tooltip_t
859 } else {
860 $tooltip_t conf -state normal
861 $tooltip_t delete 0.0 end
862 }
863
864 set pos @[join [list \
865 [expr {$pos_x - [winfo rootx $cur_w]}] \
866 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
867 set lno [lindex [split [$cur_w index $pos] .] 0]
868 if {$cur_w eq $w_amov} {
869 set dat [lindex $amov_data $lno]
870 set org {}
871 } else {
872 set dat [lindex $asim_data $lno]
873 set org [lindex $amov_data $lno]
874 }
875
876 set cmit [lindex $dat 0]
877 set tooltip_commit [list $cmit]
878
879 set author_name {}
880 set summary {}
881 set author_time {}
882 catch {set author_name $header($cmit,author)}
883 catch {set summary $header($cmit,summary)}
884 catch {set author_time [clock format \
885 $header($cmit,author-time) \
886 -format {%Y-%m-%d %H:%M:%S}
887 ]}
888
889 $tooltip_t insert end "commit $cmit\n"
890 $tooltip_t insert end "$author_name $author_time\n"
891 $tooltip_t insert end "$summary"
892
893 if {$org ne {} && [lindex $org 0] ne $cmit} {
894 set save [$tooltip_t get 0.0 end]
895 $tooltip_t delete 0.0 end
896
897 set cmit [lindex $org 0]
898 set file [lindex $org 1]
899 lappend tooltip_commit $cmit
900
901 set author_name {}
902 set summary {}
903 set author_time {}
904 catch {set author_name $header($cmit,author)}
905 catch {set summary $header($cmit,summary)}
906 catch {set author_time [clock format \
907 $header($cmit,author-time) \
908 -format {%Y-%m-%d %H:%M:%S}
909 ]}
910
911 $tooltip_t insert end "Originally By:\n" section_header
912 $tooltip_t insert end "commit $cmit\n"
913 $tooltip_t insert end "$author_name $author_time\n"
914 $tooltip_t insert end "$summary\n"
915
916 if {$file ne $path} {
917 $tooltip_t insert end "In File: " section_header
918 $tooltip_t insert end "$file\n"
919 }
920
921 $tooltip_t insert end "\n"
922 $tooltip_t insert end "Copied Or Moved Here By:\n" section_header
923 $tooltip_t insert end $save
924 }
925
926 $tooltip_t conf -state disabled
927 _position_tooltip $this
928 }
929
930 method _position_tooltip {} {
931 set max_h [lindex [split [$tooltip_t index end] .] 0]
932 set max_w 0
933 for {set i 1} {$i <= $max_h} {incr i} {
934 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
935 if {$c > $max_w} {set max_w $c}
936 }
937 $tooltip_t conf -width $max_w -height $max_h
938
939 set req_w [winfo reqwidth $tooltip_t]
940 set req_h [winfo reqheight $tooltip_t]
941 set pos_x [expr {[winfo pointerx .] + 5}]
942 set pos_y [expr {[winfo pointery .] + 10}]
943
944 set g "${req_w}x${req_h}"
945 if {$pos_x >= 0} {append g +}
946 append g $pos_x
947 if {$pos_y >= 0} {append g +}
948 append g $pos_y
949
950 wm geometry $tooltip_wm $g
951 raise $tooltip_wm
952 }
953
954 method _hide_tooltip {} {
955 if {$tooltip_wm ne {}} {
956 destroy $tooltip_wm
957 set tooltip_wm {}
958 set tooltip_commit {}
959 }
960 if {$tooltip_timer ne {}} {
961 after cancel $tooltip_timer
962 set tooltip_timer {}
963 }
964 }
965
966 method _resize {new_height} {
967 set diff [expr {$new_height - $old_height}]
968 if {$diff == 0} return
969
970 set my [expr {[winfo height $w.file_pane] - 25}]
971 set o [$w.file_pane sash coord 0]
972 set ox [lindex $o 0]
973 set oy [expr {[lindex $o 1] + $diff}]
974 if {$oy < 0} {set oy 0}
975 if {$oy > $my} {set oy $my}
976 $w.file_pane sash place 0 $ox $oy
977
978 set old_height $new_height
979 }
980
981 }
The early history of msysgit, preserved for archeologists