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t6000lib: tr portability fix
[git/peff.git] / git-gui / lib / blame.tcl
blob92fac1bad402a0d7772af0b8817217555b61b6c7
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 [append "[appname] ([reponame]): " [mc "File Viewer"]]
78
79 frame $w.header -background gold
80 label $w.header.commit_l \
81 -text [mc "Commit:"] \
82 -background gold \
83 -foreground black \
84 -anchor w \
85 -justify left
86 set w_back $w.header.commit_b
87 label $w_back \
88 -image ::blame::img_back_arrow \
89 -borderwidth 0 \
90 -relief flat \
91 -state disabled \
92 -background gold \
93 -foreground black \
94 -activebackground gold
95 bind $w_back <Button-1> "
96 if {\[$w_back cget -state\] eq {normal}} {
97 [cb _history_menu]
98 }
99 "
100 label $w.header.commit \
101 -textvariable @commit \
102 -background gold \
103 -foreground black \
104 -anchor w \
105 -justify left
106 label $w.header.path_l \
107 -text [mc "File:"] \
108 -background gold \
109 -foreground black \
110 -anchor w \
111 -justify left
112 set w_path $w.header.path
113 label $w_path \
114 -background gold \
115 -foreground black \
116 -anchor w \
117 -justify left
118 pack $w.header.commit_l -side left
119 pack $w_back -side left
120 pack $w.header.commit -side left
121 pack $w_path -fill x -side right
122 pack $w.header.path_l -side right
123
124 panedwindow $w.file_pane -orient vertical
125 frame $w.file_pane.out
126 frame $w.file_pane.cm
127 $w.file_pane add $w.file_pane.out \
128 -sticky nsew \
129 -minsize 100 \
130 -height 100 \
131 -width 100
132 $w.file_pane add $w.file_pane.cm \
133 -sticky nsew \
134 -minsize 25 \
135 -height 25 \
136 -width 100
137
138 set w_line $w.file_pane.out.linenumber_t
139 text $w_line \
140 -takefocus 0 \
141 -highlightthickness 0 \
142 -padx 0 -pady 0 \
143 -background white \
144 -foreground black \
145 -borderwidth 0 \
146 -state disabled \
147 -wrap none \
148 -height 40 \
149 -width 6 \
150 -font font_diff
151 $w_line tag conf linenumber -justify right -rmargin 5
152
153 set w_amov $w.file_pane.out.amove_t
154 text $w_amov \
155 -takefocus 0 \
156 -highlightthickness 0 \
157 -padx 0 -pady 0 \
158 -background white \
159 -foreground black \
160 -borderwidth 0 \
161 -state disabled \
162 -wrap none \
163 -height 40 \
164 -width 5 \
165 -font font_diff
166 $w_amov tag conf author_abbr -justify right -rmargin 5
167 $w_amov tag conf curr_commit
168 $w_amov tag conf prior_commit -foreground blue -underline 1
169 $w_amov tag bind prior_commit \
170 <Button-1> \
171 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
172
173 set w_asim $w.file_pane.out.asimple_t
174 text $w_asim \
175 -takefocus 0 \
176 -highlightthickness 0 \
177 -padx 0 -pady 0 \
178 -background white \
179 -foreground black \
180 -borderwidth 0 \
181 -state disabled \
182 -wrap none \
183 -height 40 \
184 -width 4 \
185 -font font_diff
186 $w_asim tag conf author_abbr -justify right
187 $w_asim tag conf curr_commit
188 $w_asim tag conf prior_commit -foreground blue -underline 1
189 $w_asim tag bind prior_commit \
190 <Button-1> \
191 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
192
193 set w_file $w.file_pane.out.file_t
194 text $w_file \
195 -takefocus 0 \
196 -highlightthickness 0 \
197 -padx 0 -pady 0 \
198 -background white \
199 -foreground black \
200 -borderwidth 0 \
201 -state disabled \
202 -wrap none \
203 -height 40 \
204 -width 80 \
205 -xscrollcommand [list $w.file_pane.out.sbx set] \
206 -font font_diff
207
208 set w_columns [list $w_amov $w_asim $w_line $w_file]
209
210 scrollbar $w.file_pane.out.sbx \
211 -orient h \
212 -command [list $w_file xview]
213 scrollbar $w.file_pane.out.sby \
214 -orient v \
215 -command [list scrollbar2many $w_columns yview]
216 eval grid $w_columns $w.file_pane.out.sby -sticky nsew
217 grid conf \
218 $w.file_pane.out.sbx \
219 -column [expr {[llength $w_columns] - 1}] \
220 -sticky we
221 grid columnconfigure \
222 $w.file_pane.out \
223 [expr {[llength $w_columns] - 1}] \
224 -weight 1
225 grid rowconfigure $w.file_pane.out 0 -weight 1
226
227 set w_cviewer $w.file_pane.cm.t
228 text $w_cviewer \
229 -background white \
230 -foreground black \
231 -borderwidth 0 \
232 -state disabled \
233 -wrap none \
234 -height 10 \
235 -width 80 \
236 -xscrollcommand [list $w.file_pane.cm.sbx set] \
237 -yscrollcommand [list $w.file_pane.cm.sby set] \
238 -font font_diff
239 $w_cviewer tag conf still_loading \
240 -font font_uiitalic \
241 -justify center
242 $w_cviewer tag conf header_key \
243 -tabs {3c} \
244 -background $active_color \
245 -font font_uibold
246 $w_cviewer tag conf header_val \
247 -background $active_color \
248 -font font_ui
249 $w_cviewer tag raise sel
250 scrollbar $w.file_pane.cm.sbx \
251 -orient h \
252 -command [list $w_cviewer xview]
253 scrollbar $w.file_pane.cm.sby \
254 -orient v \
255 -command [list $w_cviewer yview]
256 pack $w.file_pane.cm.sby -side right -fill y
257 pack $w.file_pane.cm.sbx -side bottom -fill x
258 pack $w_cviewer -expand 1 -fill both
259
260 set status [::status_bar::new $w.status]
261
262 menu $w.ctxm -tearoff 0
263 $w.ctxm add command \
264 -label [mc "Copy Commit"] \
265 -command [cb _copycommit]
266
267 foreach i $w_columns {
268 for {set g 0} {$g < [llength $group_colors]} {incr g} {
269 $i tag conf color$g -background [lindex $group_colors $g]
270 }
271
272 $i conf -cursor $cursor_ptr
273 $i conf -yscrollcommand [list many2scrollbar \
274 $w_columns yview $w.file_pane.out.sby]
275 bind $i <Button-1> "
276 [cb _hide_tooltip]
277 [cb _click $i @%x,%y]
278 focus $i
279 "
280 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
281 bind $i <Any-Enter> [cb _hide_tooltip]
282 bind $i <Any-Leave> [cb _hide_tooltip]
283 bind_button3 $i "
284 [cb _hide_tooltip]
285 set cursorX %x
286 set cursorY %y
287 set cursorW %W
288 tk_popup $w.ctxm %X %Y
289 "
290 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
291 bind $i <Tab> "[list focus $w_cviewer];break"
292 }
293
294 foreach i [concat $w_columns $w_cviewer] {
295 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
296 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
297 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
298 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
299 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
300 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
301 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
302 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
303 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
304 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
305 }
306
307 bind $w_cviewer <Shift-Tab> "[list focus $w_file];break"
308 bind $w_cviewer <Tab> "[list focus $w_file];break"
309 bind $w_cviewer <Button-1> [list focus $w_cviewer]
310 bind $w_file <Visibility> [list focus $w_file]
311
312 grid configure $w.header -sticky ew
313 grid configure $w.file_pane -sticky nsew
314 grid configure $w.status -sticky ew
315 grid columnconfigure $top 0 -weight 1
316 grid rowconfigure $top 0 -weight 0
317 grid rowconfigure $top 1 -weight 1
318 grid rowconfigure $top 2 -weight 0
319
320 set req_w [winfo reqwidth $top]
321 set req_h [winfo reqheight $top]
322 set scr_h [expr {[winfo screenheight $top] - 100}]
323 if {$req_w < 600} {set req_w 600}
324 if {$req_h < $scr_h} {set req_h $scr_h}
325 set g "${req_w}x${req_h}"
326 wm geometry $top $g
327 update
328
329 set old_height [winfo height $w.file_pane]
330 $w.file_pane sash place 0 \
331 [lindex [$w.file_pane sash coord 0] 0] \
332 [expr {int($old_height * 0.70)}]
333 bind $w.file_pane <Configure> \
334 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
335
336 _load $this {}
337 }
338
339 method _load {jump} {
340 variable group_colors
341
342 _hide_tooltip $this
343
344 if {$total_lines != 0 || $current_fd ne {}} {
345 if {$current_fd ne {}} {
346 catch {close $current_fd}
347 set current_fd {}
348 }
349
350 foreach i $w_columns {
351 $i conf -state normal
352 $i delete 0.0 end
353 foreach g [$i tag names] {
354 if {[regexp {^g[0-9a-f]{40}$} $g]} {
355 $i tag delete $g
356 }
357 }
358 $i conf -state disabled
359 }
360
361 $w_cviewer conf -state normal
362 $w_cviewer delete 0.0 end
363 $w_cviewer conf -state disabled
364
365 set highlight_line -1
366 set highlight_column {}
367 set highlight_commit {}
368 set total_lines 0
369 }
370
371 if {$history eq {}} {
372 $w_back conf -state disabled
373 } else {
374 $w_back conf -state normal
375 }
376
377 # Index 0 is always empty. There is never line 0 as
378 # we use only 1 based lines, as that matches both with
379 # git-blame output and with Tk's text widget.
380 #
381 set amov_data [list [list]]
382 set asim_data [list [list]]
383
384 $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
385 $w_path conf -text [escape_path $path]
386 if {$commit eq {}} {
387 set fd [open $path r]
388 fconfigure $fd -eofchar {}
389 } else {
390 set fd [git_read cat-file blob "$commit:$path"]
391 }
392 fconfigure $fd -blocking 0 -translation lf -encoding binary
393 fileevent $fd readable [cb _read_file $fd $jump]
394 set current_fd $fd
395 }
396
397 method _history_menu {} {
398 set m $w.backmenu
399 if {[winfo exists $m]} {
400 $m delete 0 end
401 } else {
402 menu $m -tearoff 0
403 }
404
405 for {set i [expr {[llength $history] - 1}]
406 } {$i >= 0} {incr i -1} {
407 set e [lindex $history $i]
408 set c [lindex $e 0]
409 set f [lindex $e 1]
410
411 if {[regexp {^[0-9a-f]{40}$} $c]} {
412 set t [string range $c 0 8]...
413 } elseif {$c eq {}} {
414 set t {Working Directory}
415 } else {
416 set t $c
417 }
418 if {![catch {set summary $header($c,summary)}]} {
419 append t " $summary"
420 if {[string length $t] > 70} {
421 set t [string range $t 0 66]...
422 }
423 }
424
425 $m add command -label $t -command [cb _goback $i]
426 }
427 set X [winfo rootx $w_back]
428 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
429 tk_popup $m $X $Y
430 }
431
432 method _goback {i} {
433 set dat [lindex $history $i]
434 set history [lrange $history 0 [expr {$i - 1}]]
435 set commit [lindex $dat 0]
436 set path [lindex $dat 1]
437 _load $this [lrange $dat 2 5]
438 }
439
440 method _read_file {fd jump} {
441 if {$fd ne $current_fd} {
442 catch {close $fd}
443 return
444 }
445
446 foreach i $w_columns {$i conf -state normal}
447 while {[gets $fd line] >= 0} {
448 regsub "\r\$" $line {} line
449 incr total_lines
450 lappend amov_data {}
451 lappend asim_data {}
452
453 if {$total_lines > 1} {
454 foreach i $w_columns {$i insert end "\n"}
455 }
456
457 $w_line insert end "$total_lines" linenumber
458 $w_file insert end "$line"
459 }
460
461 set ln_wc [expr {[string length $total_lines] + 2}]
462 if {[$w_line cget -width] < $ln_wc} {
463 $w_line conf -width $ln_wc
464 }
465
466 foreach i $w_columns {$i conf -state disabled}
467
468 if {[eof $fd]} {
469 close $fd
470
471 # If we don't force Tk to update the widgets *right now*
472 # none of our jump commands will cause a change in the UI.
473 #
474 update
475
476 if {[llength $jump] == 1} {
477 set highlight_line [lindex $jump 0]
478 $w_file see "$highlight_line.0"
479 } elseif {[llength $jump] == 4} {
480 set highlight_column [lindex $jump 0]
481 set highlight_line [lindex $jump 1]
482 $w_file xview moveto [lindex $jump 2]
483 $w_file yview moveto [lindex $jump 3]
484 }
485
486 _exec_blame $this $w_asim @asim_data \
487 [list] \
488 [mc "Loading copy/move tracking annotations..."]
489 }
490 } ifdeleted { catch {close $fd} }
491
492 method _exec_blame {cur_w cur_d options cur_s} {
493 lappend options --incremental
494 if {$commit eq {}} {
495 lappend options --contents $path
496 } else {
497 lappend options $commit
498 }
499 lappend options -- $path
500 set fd [eval git_read --nice blame $options]
501 fconfigure $fd -blocking 0 -translation lf -encoding binary
502 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
503 set current_fd $fd
504 set blame_lines 0
505
506 $status start \
507 $cur_s \
508 [mc "lines annotated"]
509 }
510
511 method _read_blame {fd cur_w cur_d} {
512 upvar #0 $cur_d line_data
513 variable group_colors
514 variable original_options
515
516 if {$fd ne $current_fd} {
517 catch {close $fd}
518 return
519 }
520
521 $cur_w conf -state normal
522 while {[gets $fd line] >= 0} {
523 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
524 cmit original_line final_line line_count]} {
525 set r_commit $cmit
526 set r_orig_line $original_line
527 set r_final_line $final_line
528 set r_line_count $line_count
529 } elseif {[string match {filename *} $line]} {
530 set file [string range $line 9 end]
531 set n $r_line_count
532 set lno $r_final_line
533 set oln $r_orig_line
534 set cmit $r_commit
535
536 if {[regexp {^0{40}$} $cmit]} {
537 set commit_abbr work
538 set commit_type curr_commit
539 } elseif {$cmit eq $commit} {
540 set commit_abbr this
541 set commit_type curr_commit
542 } else {
543 set commit_type prior_commit
544 set commit_abbr [string range $cmit 0 3]
545 }
546
547 set author_abbr {}
548 set a_name {}
549 catch {set a_name $header($cmit,author)}
550 while {$a_name ne {}} {
551 if {$author_abbr ne {}
552 && [string index $a_name 0] eq {'}} {
553 regsub {^'[^']+'\s+} $a_name {} a_name
554 }
555 if {![regexp {^([[:upper:]])} $a_name _a]} break
556 append author_abbr $_a
557 unset _a
558 if {![regsub \
559 {^[[:upper:]][^\s]*\s+} \
560 $a_name {} a_name ]} break
561 }
562 if {$author_abbr eq {}} {
563 set author_abbr { |}
564 } else {
565 set author_abbr [string range $author_abbr 0 3]
566 }
567 unset a_name
568
569 set first_lno $lno
570 while {
571 $first_lno > 1
572 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
573 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
574 } {
575 incr first_lno -1
576 }
577
578 set color {}
579 if {$first_lno < $lno} {
580 foreach g [$w_file tag names $first_lno.0] {
581 if {[regexp {^color[0-9]+$} $g]} {
582 set color $g
583 break
584 }
585 }
586 } else {
587 set i [lsort [concat \
588 [$w_file tag names "[expr {$first_lno - 1}].0"] \
589 [$w_file tag names "[expr {$lno + $n}].0"] \
590 ]]
591 for {set g 0} {$g < [llength $group_colors]} {incr g} {
592 if {[lsearch -sorted -exact $i color$g] == -1} {
593 set color color$g
594 break
595 }
596 }
597 }
598 if {$color eq {}} {
599 set color color0
600 }
601
602 while {$n > 0} {
603 set lno_e "$lno.0 lineend + 1c"
604 if {[lindex $line_data $lno] ne {}} {
605 set g [lindex $line_data $lno 0]
606 foreach i $w_columns {
607 $i tag remove g$g $lno.0 $lno_e
608 }
609 }
610 lset line_data $lno [list $cmit $file $oln]
611
612 $cur_w delete $lno.0 "$lno.0 lineend"
613 if {$lno == $first_lno} {
614 $cur_w insert $lno.0 $commit_abbr $commit_type
615 } elseif {$lno == [expr {$first_lno + 1}]} {
616 $cur_w insert $lno.0 $author_abbr author_abbr
617 } else {
618 $cur_w insert $lno.0 { |}
619 }
620
621 foreach i $w_columns {
622 if {$cur_w eq $w_amov} {
623 for {set g 0} \
624 {$g < [llength $group_colors]} \
625 {incr g} {
626 $i tag remove color$g $lno.0 $lno_e
627 }
628 $i tag add $color $lno.0 $lno_e
629 }
630 $i tag add g$cmit $lno.0 $lno_e
631 }
632
633 if {$highlight_column eq $cur_w} {
634 if {$highlight_line == -1
635 && [lindex [$w_file yview] 0] == 0} {
636 $w_file see $lno.0
637 set highlight_line $lno
638 }
639 if {$highlight_line == $lno} {
640 _showcommit $this $cur_w $lno
641 }
642 }
643
644 incr n -1
645 incr lno
646 incr oln
647 incr blame_lines
648 }
649
650 while {
651 $cmit eq [lindex $line_data $lno 0]
652 && $file eq [lindex $line_data $lno 1]
653 } {
654 $cur_w delete $lno.0 "$lno.0 lineend"
655
656 if {$lno == $first_lno} {
657 $cur_w insert $lno.0 $commit_abbr $commit_type
658 } elseif {$lno == [expr {$first_lno + 1}]} {
659 $cur_w insert $lno.0 $author_abbr author_abbr
660 } else {
661 $cur_w insert $lno.0 { |}
662 }
663
664 if {$cur_w eq $w_amov} {
665 foreach i $w_columns {
666 for {set g 0} \
667 {$g < [llength $group_colors]} \
668 {incr g} {
669 $i tag remove color$g $lno.0 $lno_e
670 }
671 $i tag add $color $lno.0 $lno_e
672 }
673 }
674
675 incr lno
676 }
677
678 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
679 set header($r_commit,$key) $data
680 }
681 }
682 $cur_w conf -state disabled
683
684 if {[eof $fd]} {
685 close $fd
686 if {$cur_w eq $w_asim} {
687 _exec_blame $this $w_amov @amov_data \
688 $original_options \
689 [mc "Loading original location annotations..."]
690 } else {
691 set current_fd {}
692 $status stop [mc "Annotation complete."]
693 }
694 } else {
695 $status update $blame_lines $total_lines
696 }
697 } ifdeleted { catch {close $fd} }
698
699 method _click {cur_w pos} {
700 set lno [lindex [split [$cur_w index $pos] .] 0]
701 _showcommit $this $cur_w $lno
702 }
703
704 method _load_commit {cur_w cur_d pos} {
705 upvar #0 $cur_d line_data
706 set lno [lindex [split [$cur_w index $pos] .] 0]
707 set dat [lindex $line_data $lno]
708 if {$dat ne {}} {
709 lappend history [list \
710 $commit $path \
711 $highlight_column \
712 $highlight_line \
713 [lindex [$w_file xview] 0] \
714 [lindex [$w_file yview] 0] \
715 ]
716 set commit [lindex $dat 0]
717 set path [lindex $dat 1]
718 _load $this [list [lindex $dat 2]]
719 }
720 }
721
722 method _showcommit {cur_w lno} {
723 global repo_config
724 variable active_color
725
726 if {$highlight_commit ne {}} {
727 foreach i $w_columns {
728 $i tag conf g$highlight_commit -background {}
729 $i tag lower g$highlight_commit
730 }
731 }
732
733 if {$cur_w eq $w_asim} {
734 set dat [lindex $asim_data $lno]
735 set highlight_column $w_asim
736 } else {
737 set dat [lindex $amov_data $lno]
738 set highlight_column $w_amov
739 }
740
741 $w_cviewer conf -state normal
742 $w_cviewer delete 0.0 end
743
744 if {$dat eq {}} {
745 set cmit {}
746 $w_cviewer insert end [mc "Loading annotation..."] still_loading
747 } else {
748 set cmit [lindex $dat 0]
749 set file [lindex $dat 1]
750
751 foreach i $w_columns {
752 $i tag conf g$cmit -background $active_color
753 $i tag raise g$cmit
754 }
755
756 set author_name {}
757 set author_email {}
758 set author_time {}
759 catch {set author_name $header($cmit,author)}
760 catch {set author_email $header($cmit,author-mail)}
761 catch {set author_time [format_date $header($cmit,author-time)]}
762
763 set committer_name {}
764 set committer_email {}
765 set committer_time {}
766 catch {set committer_name $header($cmit,committer)}
767 catch {set committer_email $header($cmit,committer-mail)}
768 catch {set committer_time [format_date $header($cmit,committer-time)]}
769
770 if {[catch {set msg $header($cmit,message)}]} {
771 set msg {}
772 catch {
773 set fd [git_read cat-file commit $cmit]
774 fconfigure $fd -encoding binary -translation lf
775 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
776 set enc utf-8
777 }
778 while {[gets $fd line] > 0} {
779 if {[string match {encoding *} $line]} {
780 set enc [string tolower [string range $line 9 end]]
781 }
782 }
783 set msg [read $fd]
784 close $fd
785
786 set enc [tcl_encoding $enc]
787 if {$enc ne {}} {
788 set msg [encoding convertfrom $enc $msg]
789 set author_name [encoding convertfrom $enc $author_name]
790 set committer_name [encoding convertfrom $enc $committer_name]
791 set header($cmit,author) $author_name
792 set header($cmit,committer) $committer_name
793 set header($cmit,summary) \
794 [encoding convertfrom $enc $header($cmit,summary)]
795 }
796 set msg [string trim $msg]
797 }
798 set header($cmit,message) $msg
799 }
800
801 $w_cviewer insert end "commit $cmit\n" header_key
802 $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
803 $w_cviewer insert end "$author_name $author_email" header_val
804 $w_cviewer insert end " $author_time\n" header_val
805
806 $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
807 $w_cviewer insert end "$committer_name $committer_email" header_val
808 $w_cviewer insert end " $committer_time\n" header_val
809
810 if {$file ne $path} {
811 $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
812 $w_cviewer insert end "[escape_path $file]\n" header_val
813 }
814
815 $w_cviewer insert end "\n$msg"
816 }
817 $w_cviewer conf -state disabled
818
819 set highlight_line $lno
820 set highlight_commit $cmit
821
822 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
823 _hide_tooltip $this
824 }
825 }
826
827 method _copycommit {} {
828 set pos @$::cursorX,$::cursorY
829 set lno [lindex [split [$::cursorW index $pos] .] 0]
830 set dat [lindex $amov_data $lno]
831 if {$dat ne {}} {
832 clipboard clear
833 clipboard append \
834 -format STRING \
835 -type STRING \
836 -- [lindex $dat 0]
837 }
838 }
839
840 method _show_tooltip {cur_w pos} {
841 if {$tooltip_wm ne {}} {
842 _open_tooltip $this $cur_w
843 } elseif {$tooltip_timer eq {}} {
844 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
845 }
846 }
847
848 method _open_tooltip {cur_w} {
849 set tooltip_timer {}
850 set pos_x [winfo pointerx $cur_w]
851 set pos_y [winfo pointery $cur_w]
852 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
853 _hide_tooltip $this
854 return
855 }
856
857 if {$tooltip_wm ne "$cur_w.tooltip"} {
858 _hide_tooltip $this
859
860 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
861 wm overrideredirect $tooltip_wm 1
862 wm transient $tooltip_wm [winfo toplevel $cur_w]
863 set tooltip_t $tooltip_wm.label
864 text $tooltip_t \
865 -takefocus 0 \
866 -highlightthickness 0 \
867 -relief flat \
868 -borderwidth 0 \
869 -wrap none \
870 -background lightyellow \
871 -foreground black
872 $tooltip_t tag conf section_header -font font_uibold
873 pack $tooltip_t
874 } else {
875 $tooltip_t conf -state normal
876 $tooltip_t delete 0.0 end
877 }
878
879 set pos @[join [list \
880 [expr {$pos_x - [winfo rootx $cur_w]}] \
881 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
882 set lno [lindex [split [$cur_w index $pos] .] 0]
883 if {$cur_w eq $w_amov} {
884 set dat [lindex $amov_data $lno]
885 set org {}
886 } else {
887 set dat [lindex $asim_data $lno]
888 set org [lindex $amov_data $lno]
889 }
890
891 if {$dat eq {}} {
892 _hide_tooltip $this
893 return
894 }
895
896 set cmit [lindex $dat 0]
897 set tooltip_commit [list $cmit]
898
899 set author_name {}
900 set summary {}
901 set author_time {}
902 catch {set author_name $header($cmit,author)}
903 catch {set summary $header($cmit,summary)}
904 catch {set author_time [format_date $header($cmit,author-time)]}
905
906 $tooltip_t insert end "commit $cmit\n"
907 $tooltip_t insert end "$author_name $author_time\n"
908 $tooltip_t insert end "$summary"
909
910 if {$org ne {} && [lindex $org 0] ne $cmit} {
911 set save [$tooltip_t get 0.0 end]
912 $tooltip_t delete 0.0 end
913
914 set cmit [lindex $org 0]
915 set file [lindex $org 1]
916 lappend tooltip_commit $cmit
917
918 set author_name {}
919 set summary {}
920 set author_time {}
921 catch {set author_name $header($cmit,author)}
922 catch {set summary $header($cmit,summary)}
923 catch {set author_time [format_date $header($cmit,author-time)]}
924
925 $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
926 $tooltip_t insert end "commit $cmit\n"
927 $tooltip_t insert end "$author_name $author_time\n"
928 $tooltip_t insert end "$summary\n"
929
930 if {$file ne $path} {
931 $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
932 $tooltip_t insert end "$file\n"
933 }
934
935 $tooltip_t insert end "\n"
936 $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
937 $tooltip_t insert end $save
938 }
939
940 $tooltip_t conf -state disabled
941 _position_tooltip $this
942 }
943
944 method _position_tooltip {} {
945 set max_h [lindex [split [$tooltip_t index end] .] 0]
946 set max_w 0
947 for {set i 1} {$i <= $max_h} {incr i} {
948 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
949 if {$c > $max_w} {set max_w $c}
950 }
951 $tooltip_t conf -width $max_w -height $max_h
952
953 set req_w [winfo reqwidth $tooltip_t]
954 set req_h [winfo reqheight $tooltip_t]
955 set pos_x [expr {[winfo pointerx .] + 5}]
956 set pos_y [expr {[winfo pointery .] + 10}]
957
958 set g "${req_w}x${req_h}"
959 if {$pos_x >= 0} {append g +}
960 append g $pos_x
961 if {$pos_y >= 0} {append g +}
962 append g $pos_y
963
964 wm geometry $tooltip_wm $g
965 raise $tooltip_wm
966 }
967
968 method _hide_tooltip {} {
969 if {$tooltip_wm ne {}} {
970 destroy $tooltip_wm
971 set tooltip_wm {}
972 set tooltip_commit {}
973 }
974 if {$tooltip_timer ne {}} {
975 after cancel $tooltip_timer
976 set tooltip_timer {}
977 }
978 }
979
980 method _resize {new_height} {
981 set diff [expr {$new_height - $old_height}]
982 if {$diff == 0} return
983
984 set my [expr {[winfo height $w.file_pane] - 25}]
985 set o [$w.file_pane sash coord 0]
986 set ox [lindex $o 0]
987 set oy [expr {[lindex $o 1] + $diff}]
988 if {$oy < 0} {set oy 0}
989 if {$oy > $my} {set oy $my}
990 $w.file_pane sash place 0 $ox $oy
991
992 set old_height $new_height
993 }
994
995 }
peff's git enhancements