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var: avoid a segmentation fault when `HOME` is unset
[git.git] / git-gui / lib / blame.tcl
blob8441e109be32822df003d3ab3a221d742a74a8b7
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 # Persistent 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 finder ; # find mini-dialog frame
25 field gotoline ; # line goto mini-dialog frame
26 field status ; # status mega-widget instance
27 field status_operation ; # operation displayed by status mega-widget
28 field old_height ; # last known height of $w.file_pane
29
30
31 # Tk UI colors
32 #
33 variable active_color #c0edc5
34 variable group_colors {
35 #d6d6d6
36 #e1e1e1
37 #ececec
38 }
39
40 # Current blame data; cleared/reset on each load
41 #
42 field commit ; # input commit to blame
43 field path ; # input filename to view in $commit
44
45 field current_fd {} ; # background process running
46 field highlight_line -1 ; # current line selected
47 field highlight_column {} ; # current commit column selected
48 field highlight_commit {} ; # sha1 of commit selected
49
50 field total_lines 0 ; # total length of file
51 field blame_lines 0 ; # number of lines computed
52 field amov_data ; # list of {commit origfile origline}
53 field asim_data ; # list of {commit origfile origline}
54
55 field r_commit ; # commit currently being parsed
56 field r_orig_line ; # original line number
57 field r_final_line ; # final line number
58 field r_line_count ; # lines in this region
59
60 field tooltip_wm {} ; # Current tooltip toplevel, if open
61 field tooltip_t {} ; # Text widget in $tooltip_wm
62 field tooltip_timer {} ; # Current timer event for our tooltip
63 field tooltip_commit {} ; # Commit(s) in tooltip
64
65 constructor new {i_commit i_path i_jump} {
66 global cursor_ptr M1B M1T have_tk85 use_ttk NS
67 variable active_color
68 variable group_colors
69
70 set commit $i_commit
71 set path $i_path
72
73 make_toplevel top w
74 wm title $top [mc "%s (%s): File Viewer" [appname] [reponame]]
75
76 set font_w [font measure font_diff "0"]
77
78 gold_frame $w.header
79 tlabel $w.header.commit_l \
80 -text [mc "Commit:"] \
81 -background gold \
82 -foreground black \
83 -anchor w \
84 -justify left
85 set w_back $w.header.commit_b
86 tlabel $w_back \
87 -image ::blame::img_back_arrow \
88 -borderwidth 0 \
89 -relief flat \
90 -state disabled \
91 -background gold \
92 -foreground black \
93 -activebackground gold
94 bind $w_back <Button-1> "
95 if {\[$w_back cget -state\] eq {normal}} {
96 [cb _history_menu]
97 }
98 "
99 tlabel $w.header.commit \
100 -textvariable @commit \
101 -background gold \
102 -foreground black \
103 -anchor w \
104 -justify left
105 tlabel $w.header.path_l \
106 -text [mc "File:"] \
107 -background gold \
108 -foreground black \
109 -anchor w \
110 -justify left
111 set w_path $w.header.path
112 tlabel $w_path \
113 -background gold \
114 -foreground black \
115 -anchor w \
116 -justify left
117 pack $w.header.commit_l -side left
118 pack $w_back -side left
119 pack $w.header.commit -side left
120 pack $w_path -fill x -side right
121 pack $w.header.path_l -side right
122
123 panedwindow $w.file_pane -orient vertical -borderwidth 0 -sashwidth 3
124 frame $w.file_pane.out -relief flat -borderwidth 1
125 frame $w.file_pane.cm -relief sunken -borderwidth 1
126 $w.file_pane add $w.file_pane.out \
127 -sticky nsew \
128 -minsize 100 \
129 -height 100 \
130 -width 100
131 $w.file_pane add $w.file_pane.cm \
132 -sticky nsew \
133 -minsize 25 \
134 -height 25 \
135 -width 100
136
137 set w_line $w.file_pane.out.linenumber_t
138 text $w_line \
139 -takefocus 0 \
140 -highlightthickness 0 \
141 -padx 0 -pady 0 \
142 -background white \
143 -foreground black \
144 -borderwidth 0 \
145 -state disabled \
146 -wrap none \
147 -height 40 \
148 -width 6 \
149 -font font_diff
150 $w_line tag conf linenumber -justify right -rmargin 5
151
152 set w_amov $w.file_pane.out.amove_t
153 text $w_amov \
154 -takefocus 0 \
155 -highlightthickness 0 \
156 -padx 0 -pady 0 \
157 -background white \
158 -foreground black \
159 -borderwidth 0 \
160 -state disabled \
161 -wrap none \
162 -height 40 \
163 -width 5 \
164 -font font_diff
165 $w_amov tag conf author_abbr -justify right -rmargin 5
166 $w_amov tag conf curr_commit
167 $w_amov tag conf prior_commit -foreground blue -underline 1
168 $w_amov tag bind prior_commit \
169 <Button-1> \
170 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
171
172 set w_asim $w.file_pane.out.asimple_t
173 text $w_asim \
174 -takefocus 0 \
175 -highlightthickness 0 \
176 -padx 0 -pady 0 \
177 -background white \
178 -foreground black \
179 -borderwidth 0 \
180 -state disabled \
181 -wrap none \
182 -height 40 \
183 -width 4 \
184 -font font_diff
185 $w_asim tag conf author_abbr -justify right
186 $w_asim tag conf curr_commit
187 $w_asim tag conf prior_commit -foreground blue -underline 1
188 $w_asim tag bind prior_commit \
189 <Button-1> \
190 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
191
192 set w_file $w.file_pane.out.file_t
193 text $w_file \
194 -takefocus 0 \
195 -highlightthickness 0 \
196 -padx 0 -pady 0 \
197 -background white \
198 -foreground black \
199 -borderwidth 0 \
200 -state disabled \
201 -wrap none \
202 -height 40 \
203 -width 80 \
204 -xscrollcommand [list $w.file_pane.out.sbx set] \
205 -font font_diff
206 if {$have_tk85} {
207 $w_file configure -inactiveselectbackground darkblue
208 }
209 $w_file tag conf found \
210 -background yellow
211
212 set w_columns [list $w_amov $w_asim $w_line $w_file]
213
214 ${NS}::scrollbar $w.file_pane.out.sbx \
215 -orient h \
216 -command [list $w_file xview]
217 ${NS}::scrollbar $w.file_pane.out.sby \
218 -orient v \
219 -command [list scrollbar2many $w_columns yview]
220 eval grid $w_columns $w.file_pane.out.sby -sticky nsew
221 grid conf \
222 $w.file_pane.out.sbx \
223 -column 0 \
224 -columnspan [expr {[llength $w_columns] + 1}] \
225 -sticky we
226 grid columnconfigure \
227 $w.file_pane.out \
228 [expr {[llength $w_columns] - 1}] \
229 -weight 1
230 grid rowconfigure $w.file_pane.out 0 -weight 1
231
232 set finder [::searchbar::new \
233 $w.file_pane.out.ff $w_file \
234 -column 0 \
235 -columnspan [expr {[llength $w_columns] + 1}] \
236 ]
237
238 set gotoline [::linebar::new \
239 $w.file_pane.out.lf $w_file \
240 -column 0 \
241 -columnspan [expr {[llength $w_columns] + 1}] \
242 ]
243
244 set w_cviewer $w.file_pane.cm.t
245 text $w_cviewer \
246 -background white \
247 -foreground black \
248 -borderwidth 0 \
249 -state disabled \
250 -wrap none \
251 -height 10 \
252 -width 80 \
253 -xscrollcommand [list $w.file_pane.cm.sbx set] \
254 -yscrollcommand [list $w.file_pane.cm.sby set] \
255 -font font_diff
256 $w_cviewer tag conf still_loading \
257 -font font_uiitalic \
258 -justify center
259 $w_cviewer tag conf header_key \
260 -tabs {3c} \
261 -background $active_color \
262 -font font_uibold
263 $w_cviewer tag conf header_val \
264 -background $active_color \
265 -font font_ui
266 $w_cviewer tag raise sel
267 ${NS}::scrollbar $w.file_pane.cm.sbx \
268 -orient h \
269 -command [list $w_cviewer xview]
270 ${NS}::scrollbar $w.file_pane.cm.sby \
271 -orient v \
272 -command [list $w_cviewer yview]
273 pack $w.file_pane.cm.sby -side right -fill y
274 pack $w.file_pane.cm.sbx -side bottom -fill x
275 pack $w_cviewer -expand 1 -fill both
276
277 set status [::status_bar::new $w.status]
278 set status_operation {}
279
280 menu $w.ctxm -tearoff 0
281 $w.ctxm add command \
282 -label [mc "Copy Commit"] \
283 -command [cb _copycommit]
284 $w.ctxm add separator
285 $w.ctxm add command \
286 -label [mc "Find Text..."] \
287 -accelerator F7 \
288 -command [cb _show_finder]
289 $w.ctxm add command \
290 -label [mc "Goto Line..."] \
291 -accelerator "Ctrl-G" \
292 -command [cb _show_linebar]
293 menu $w.ctxm.enc
294 build_encoding_menu $w.ctxm.enc [cb _setencoding]
295 $w.ctxm add cascade \
296 -label [mc "Encoding"] \
297 -menu $w.ctxm.enc
298 $w.ctxm add command \
299 -label [mc "Do Full Copy Detection"] \
300 -command [cb _fullcopyblame]
301 $w.ctxm add separator
302 $w.ctxm add command \
303 -label [mc "Show History Context"] \
304 -command [cb _gitkcommit]
305 $w.ctxm add command \
306 -label [mc "Blame Parent Commit"] \
307 -command [cb _blameparent]
308
309 foreach i $w_columns {
310 for {set g 0} {$g < [llength $group_colors]} {incr g} {
311 $i tag conf color$g -background [lindex $group_colors $g]
312 }
313
314 if {$i eq $w_file} {
315 $w_file tag raise found
316 }
317 $i tag raise sel
318
319 $i conf -cursor $cursor_ptr
320 $i conf -yscrollcommand \
321 "[list ::searchbar::scrolled $finder]
322 [list many2scrollbar $w_columns yview $w.file_pane.out.sby]"
323 bind $i <Button-1> "
324 [cb _hide_tooltip]
325 [cb _click $i @%x,%y]
326 focus $i
327 "
328 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
329 bind $i <Any-Enter> [cb _hide_tooltip]
330 bind $i <Any-Leave> [cb _hide_tooltip]
331 bind $i <Deactivate> [cb _hide_tooltip]
332 bind_button3 $i "
333 [cb _hide_tooltip]
334 set cursorX %x
335 set cursorY %y
336 set cursorW %W
337 tk_popup $w.ctxm %X %Y
338 "
339 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
340 bind $i <Tab> "[cb _focus_search $w_cviewer];break"
341 }
342
343 foreach i [concat $w_columns $w_cviewer] {
344 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
345 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
346 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
347 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
348 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
349 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
350 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
351 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
352 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
353 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
354 }
355
356 bind $w_cviewer <Shift-Tab> "[cb _focus_search $w_file];break"
357 bind $w_cviewer <Tab> "[list focus $w_file];break"
358 bind $w_cviewer <Button-1> [list focus $w_cviewer]
359 bind $w_file <Visibility> [cb _focus_search $w_file]
360 bind $top <F7> [cb _show_finder]
361 bind $top <Key-slash> [cb _show_finder]
362 bind $top <Control-Key-s> [cb _show_finder]
363 bind $top <Escape> [list searchbar::hide $finder]
364 bind $top <F3> [list searchbar::find_next $finder]
365 bind $top <Shift-F3> [list searchbar::find_prev $finder]
366 bind $top <Control-Key-g> [cb _show_linebar]
367 catch { bind $top <Shift-Key-XF86_Switch_VT_3> [list searchbar::find_prev $finder] }
368
369 grid configure $w.header -sticky ew
370 grid configure $w.file_pane -sticky nsew
371 grid configure $w.status -sticky ew
372 grid columnconfigure $top 0 -weight 1
373 grid rowconfigure $top 0 -weight 0
374 grid rowconfigure $top 1 -weight 1
375 grid rowconfigure $top 2 -weight 0
376
377 set req_w [winfo reqwidth $top]
378 set req_h [winfo reqheight $top]
379 set scr_w [expr {[winfo screenwidth $top] - 40}]
380 set scr_h [expr {[winfo screenheight $top] - 120}]
381 set opt_w [expr {$font_w * (80 + 5*3 + 3)}]
382 if {$req_w < $opt_w} {set req_w $opt_w}
383 if {$req_w > $scr_w} {set req_w $scr_w}
384 set opt_h [expr {$req_w*4/3}]
385 if {$req_h < $scr_h} {set req_h $scr_h}
386 if {$req_h > $opt_h} {set req_h $opt_h}
387 set g "${req_w}x${req_h}"
388 wm geometry $top $g
389 update
390
391 set old_height [winfo height $w.file_pane]
392 $w.file_pane sash place 0 \
393 [lindex [$w.file_pane sash coord 0] 0] \
394 [expr {int($old_height * 0.80)}]
395 bind $w.file_pane <Configure> \
396 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
397
398 wm protocol $top WM_DELETE_WINDOW "destroy $top"
399 bind $top <Destroy> [cb _handle_destroy %W]
400
401 _load $this $i_jump
402 }
403
404 method _focus_search {win} {
405 if {[searchbar::visible $finder]} {
406 focus [searchbar::editor $finder]
407 } else {
408 focus $win
409 }
410 }
411
412 method _handle_destroy {win} {
413 if {$win eq $w} {
414 _kill $this
415 delete_this
416 }
417 }
418
419 method _kill {} {
420 if {$current_fd ne {}} {
421 kill_file_process $current_fd
422 catch {close $current_fd}
423 set current_fd {}
424 }
425 }
426
427 method _load {jump} {
428 variable group_colors
429
430 _hide_tooltip $this
431
432 if {$total_lines != 0 || $current_fd ne {}} {
433 _kill $this
434
435 foreach i $w_columns {
436 $i conf -state normal
437 $i delete 0.0 end
438 foreach g [$i tag names] {
439 if {[regexp {^g[0-9a-f]{40}$} $g]} {
440 $i tag delete $g
441 }
442 }
443 $i conf -state disabled
444 }
445
446 $w_cviewer conf -state normal
447 $w_cviewer delete 0.0 end
448 $w_cviewer conf -state disabled
449
450 set highlight_line -1
451 set highlight_column {}
452 set highlight_commit {}
453 set total_lines 0
454 }
455
456 if {$history eq {}} {
457 $w_back conf -state disabled
458 } else {
459 $w_back conf -state normal
460 }
461
462 # Index 0 is always empty. There is never line 0 as
463 # we use only 1 based lines, as that matches both with
464 # git-blame output and with Tk's text widget.
465 #
466 set amov_data [list [list]]
467 set asim_data [list [list]]
468
469 $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
470 $w_path conf -text [escape_path $path]
471
472 set do_textconv 0
473 if {![is_config_false gui.textconv] && [git-version >= 1.7.2]} {
474 set filter [gitattr $path diff set]
475 set textconv [get_config [join [list diff $filter textconv] .]]
476 if {$filter ne {set} && $textconv ne {}} {
477 set do_textconv 1
478 }
479 }
480 if {$commit eq {}} {
481 if {$do_textconv ne 0} {
482 set fd [open_cmd_pipe $textconv $path]
483 } else {
484 set fd [open $path r]
485 }
486 fconfigure $fd -eofchar {}
487 } else {
488 if {$do_textconv ne 0} {
489 set fd [git_read cat-file --textconv "$commit:$path"]
490 } else {
491 set fd [git_read cat-file blob "$commit:$path"]
492 }
493 }
494 fconfigure $fd \
495 -blocking 0 \
496 -translation lf \
497 -encoding [get_path_encoding $path]
498 fileevent $fd readable [cb _read_file $fd $jump]
499 set current_fd $fd
500 }
501
502 method _history_menu {} {
503 set m $w.backmenu
504 if {[winfo exists $m]} {
505 $m delete 0 end
506 } else {
507 menu $m -tearoff 0
508 }
509
510 for {set i [expr {[llength $history] - 1}]
511 } {$i >= 0} {incr i -1} {
512 set e [lindex $history $i]
513 set c [lindex $e 0]
514 set f [lindex $e 1]
515
516 if {[regexp {^[0-9a-f]{40}$} $c]} {
517 set t [string range $c 0 8]...
518 } elseif {$c eq {}} {
519 set t {Working Directory}
520 } else {
521 set t $c
522 }
523 if {![catch {set summary $header($c,summary)}]} {
524 append t " $summary"
525 if {[string length $t] > 70} {
526 set t [string range $t 0 66]...
527 }
528 }
529
530 $m add command -label $t -command [cb _goback $i]
531 }
532 set X [winfo rootx $w_back]
533 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
534 tk_popup $m $X $Y
535 }
536
537 method _goback {i} {
538 set dat [lindex $history $i]
539 set history [lrange $history 0 [expr {$i - 1}]]
540 set commit [lindex $dat 0]
541 set path [lindex $dat 1]
542 _load $this [lrange $dat 2 5]
543 }
544
545 method _read_file {fd jump} {
546 if {$fd ne $current_fd} {
547 catch {close $fd}
548 return
549 }
550
551 foreach i $w_columns {$i conf -state normal}
552 while {[gets $fd line] >= 0} {
553 regsub "\r\$" $line {} line
554 incr total_lines
555 lappend amov_data {}
556 lappend asim_data {}
557
558 if {$total_lines > 1} {
559 foreach i $w_columns {$i insert end "\n"}
560 }
561
562 $w_line insert end "$total_lines" linenumber
563 $w_file insert end "$line"
564 }
565
566 set ln_wc [expr {[string length $total_lines] + 2}]
567 if {[$w_line cget -width] < $ln_wc} {
568 $w_line conf -width $ln_wc
569 }
570
571 foreach i $w_columns {$i conf -state disabled}
572
573 if {[eof $fd]} {
574 fconfigure $fd -blocking 1; # enable error reporting on close
575 if {[catch {close $fd} err]} {
576 tk_messageBox -icon error -title [mc Error] \
577 -message $err
578 }
579
580 # If we don't force Tk to update the widgets *right now*
581 # none of our jump commands will cause a change in the UI.
582 #
583 update
584
585 if {[llength $jump] == 1} {
586 set highlight_line [lindex $jump 0]
587 $w_file see "$highlight_line.0"
588 } elseif {[llength $jump] == 4} {
589 set highlight_column [lindex $jump 0]
590 set highlight_line [lindex $jump 1]
591 $w_file xview moveto [lindex $jump 2]
592 $w_file yview moveto [lindex $jump 3]
593 }
594
595 _exec_blame $this $w_asim @asim_data \
596 [list] \
597 [mc "Loading copy/move tracking annotations..."]
598 }
599 } ifdeleted { catch {close $fd} }
600
601 method _exec_blame {cur_w cur_d options cur_s} {
602 lappend options --incremental --encoding=utf-8
603 if {$commit eq {}} {
604 lappend options --contents $path
605 } else {
606 lappend options $commit
607 }
608
609 # We may recurse in from another call to _exec_blame and already have
610 # a status operation.
611 if {$status_operation == {}} {
612 set status_operation [$status start \
613 $cur_s \
614 [mc "lines annotated"]]
615 } else {
616 $status_operation restart $cur_s
617 }
618
619 lappend options -- $path
620 set fd [eval git_read --nice blame $options]
621 fconfigure $fd -blocking 0 -translation lf -encoding utf-8
622 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
623 set current_fd $fd
624 set blame_lines 0
625 }
626
627 method _read_blame {fd cur_w cur_d} {
628 upvar #0 $cur_d line_data
629 variable group_colors
630
631 if {$fd ne $current_fd} {
632 catch {close $fd}
633 return
634 }
635
636 $cur_w conf -state normal
637 while {[gets $fd line] >= 0} {
638 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
639 cmit original_line final_line line_count]} {
640 set r_commit $cmit
641 set r_orig_line $original_line
642 set r_final_line $final_line
643 set r_line_count $line_count
644 } elseif {[string match {filename *} $line]} {
645 set file [string range $line 9 end]
646 set n $r_line_count
647 set lno $r_final_line
648 set oln $r_orig_line
649 set cmit $r_commit
650
651 if {[regexp {^0{40}$} $cmit]} {
652 set commit_abbr work
653 set commit_type curr_commit
654 } elseif {$cmit eq $commit} {
655 set commit_abbr this
656 set commit_type curr_commit
657 } else {
658 set commit_type prior_commit
659 set commit_abbr [string range $cmit 0 3]
660 }
661
662 set author_abbr {}
663 set a_name {}
664 catch {set a_name $header($cmit,author)}
665 while {$a_name ne {}} {
666 if {$author_abbr ne {}
667 && [string index $a_name 0] eq {'}} {
668 regsub {^'[^']+'\s+} $a_name {} a_name
669 }
670 if {![regexp {^([[:upper:]])} $a_name _a]} break
671 append author_abbr $_a
672 unset _a
673 if {![regsub \
674 {^[[:upper:]][^\s]*\s+} \
675 $a_name {} a_name ]} break
676 }
677 if {$author_abbr eq {}} {
678 set author_abbr { |}
679 } else {
680 set author_abbr [string range $author_abbr 0 3]
681 }
682 unset a_name
683
684 set first_lno $lno
685 while {
686 $first_lno > 1
687 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
688 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
689 } {
690 incr first_lno -1
691 }
692
693 set color {}
694 if {$first_lno < $lno} {
695 foreach g [$w_file tag names $first_lno.0] {
696 if {[regexp {^color[0-9]+$} $g]} {
697 set color $g
698 break
699 }
700 }
701 } else {
702 set i [lsort [concat \
703 [$w_file tag names "[expr {$first_lno - 1}].0"] \
704 [$w_file tag names "[expr {$lno + $n}].0"] \
705 ]]
706 for {set g 0} {$g < [llength $group_colors]} {incr g} {
707 if {[lsearch -sorted -exact $i color$g] == -1} {
708 set color color$g
709 break
710 }
711 }
712 }
713 if {$color eq {}} {
714 set color color0
715 }
716
717 while {$n > 0} {
718 set lno_e "$lno.0 lineend + 1c"
719 if {[lindex $line_data $lno] ne {}} {
720 set g [lindex $line_data $lno 0]
721 foreach i $w_columns {
722 $i tag remove g$g $lno.0 $lno_e
723 }
724 }
725 lset line_data $lno [list $cmit $file $oln]
726
727 $cur_w delete $lno.0 "$lno.0 lineend"
728 if {$lno == $first_lno} {
729 $cur_w insert $lno.0 $commit_abbr $commit_type
730 } elseif {$lno == [expr {$first_lno + 1}]} {
731 $cur_w insert $lno.0 $author_abbr author_abbr
732 } else {
733 $cur_w insert $lno.0 { |}
734 }
735
736 foreach i $w_columns {
737 if {$cur_w eq $w_amov} {
738 for {set g 0} \
739 {$g < [llength $group_colors]} \
740 {incr g} {
741 $i tag remove color$g $lno.0 $lno_e
742 }
743 $i tag add $color $lno.0 $lno_e
744 }
745 $i tag add g$cmit $lno.0 $lno_e
746 }
747
748 if {$highlight_column eq $cur_w} {
749 if {$highlight_line == -1
750 && [lindex [$w_file yview] 0] == 0} {
751 $w_file see $lno.0
752 set highlight_line $lno
753 }
754 if {$highlight_line == $lno} {
755 _showcommit $this $cur_w $lno
756 }
757 }
758
759 incr n -1
760 incr lno
761 incr oln
762 incr blame_lines
763 }
764
765 while {
766 $cmit eq [lindex $line_data $lno 0]
767 && $file eq [lindex $line_data $lno 1]
768 } {
769 $cur_w delete $lno.0 "$lno.0 lineend"
770
771 if {$lno == $first_lno} {
772 $cur_w insert $lno.0 $commit_abbr $commit_type
773 } elseif {$lno == [expr {$first_lno + 1}]} {
774 $cur_w insert $lno.0 $author_abbr author_abbr
775 } else {
776 $cur_w insert $lno.0 { |}
777 }
778
779 if {$cur_w eq $w_amov} {
780 foreach i $w_columns {
781 for {set g 0} \
782 {$g < [llength $group_colors]} \
783 {incr g} {
784 $i tag remove color$g $lno.0 $lno_e
785 }
786 $i tag add $color $lno.0 $lno_e
787 }
788 }
789
790 incr lno
791 }
792
793 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
794 set header($r_commit,$key) $data
795 }
796 }
797 $cur_w conf -state disabled
798
799 if {[eof $fd]} {
800 close $fd
801 if {$cur_w eq $w_asim} {
802 # Switches for original location detection
803 set threshold [get_config gui.copyblamethreshold]
804 set original_options [list "-C$threshold"]
805
806 if {![is_config_true gui.fastcopyblame]} {
807 # thorough copy search; insert before the threshold
808 set original_options [linsert $original_options 0 -C]
809 }
810 if {[git-version >= 1.5.3]} {
811 lappend original_options -w ; # ignore indentation changes
812 }
813
814 _exec_blame $this $w_amov @amov_data \
815 $original_options \
816 [mc "Loading original location annotations..."]
817 } else {
818 set current_fd {}
819 $status_operation stop [mc "Annotation complete."]
820 set status_operation {}
821 }
822 } else {
823 $status_operation update $blame_lines $total_lines
824 }
825 } ifdeleted { catch {close $fd} }
826
827 method _find_commit_bound {data_list start_idx delta} {
828 upvar #0 $data_list line_data
829 set pos $start_idx
830 set limit [expr {[llength $line_data] - 1}]
831 set base_commit [lindex $line_data $pos 0]
832
833 while {$pos > 0 && $pos < $limit} {
834 set new_pos [expr {$pos + $delta}]
835 if {[lindex $line_data $new_pos 0] ne $base_commit} {
836 return $pos
837 }
838
839 set pos $new_pos
840 }
841
842 return $pos
843 }
844
845 method _fullcopyblame {} {
846 if {$current_fd ne {}} {
847 tk_messageBox \
848 -icon error \
849 -type ok \
850 -title [mc "Busy"] \
851 -message [mc "Annotation process is already running."]
852
853 return
854 }
855
856 # Switches for original location detection
857 set threshold [get_config gui.copyblamethreshold]
858 set original_options [list -C -C "-C$threshold"]
859
860 if {[git-version >= 1.5.3]} {
861 lappend original_options -w ; # ignore indentation changes
862 }
863
864 # Find the line range
865 set pos @$::cursorX,$::cursorY
866 set lno [lindex [split [$::cursorW index $pos] .] 0]
867 set min_amov_lno [_find_commit_bound $this @amov_data $lno -1]
868 set max_amov_lno [_find_commit_bound $this @amov_data $lno 1]
869 set min_asim_lno [_find_commit_bound $this @asim_data $lno -1]
870 set max_asim_lno [_find_commit_bound $this @asim_data $lno 1]
871
872 if {$min_asim_lno < $min_amov_lno} {
873 set min_amov_lno $min_asim_lno
874 }
875
876 if {$max_asim_lno > $max_amov_lno} {
877 set max_amov_lno $max_asim_lno
878 }
879
880 lappend original_options -L "$min_amov_lno,$max_amov_lno"
881
882 # Clear lines
883 for {set i $min_amov_lno} {$i <= $max_amov_lno} {incr i} {
884 lset amov_data $i [list ]
885 }
886
887 # Start the back-end process
888 _exec_blame $this $w_amov @amov_data \
889 $original_options \
890 [mc "Running thorough copy detection..."]
891 }
892
893 method _click {cur_w pos} {
894 set lno [lindex [split [$cur_w index $pos] .] 0]
895 _showcommit $this $cur_w $lno
896 }
897
898 method _setencoding {enc} {
899 force_path_encoding $path $enc
900 _load $this [list \
901 $highlight_column \
902 $highlight_line \
903 [lindex [$w_file xview] 0] \
904 [lindex [$w_file yview] 0] \
905 ]
906 }
907
908 method _load_commit {cur_w cur_d pos} {
909 upvar #0 $cur_d line_data
910 set lno [lindex [split [$cur_w index $pos] .] 0]
911 set dat [lindex $line_data $lno]
912 if {$dat ne {}} {
913 _load_new_commit $this \
914 [lindex $dat 0] \
915 [lindex $dat 1] \
916 [list [lindex $dat 2]]
917 }
918 }
919
920 method _load_new_commit {new_commit new_path jump} {
921 lappend history [list \
922 $commit $path \
923 $highlight_column \
924 $highlight_line \
925 [lindex [$w_file xview] 0] \
926 [lindex [$w_file yview] 0] \
927 ]
928
929 set commit $new_commit
930 set path $new_path
931 _load $this $jump
932 }
933
934 method _showcommit {cur_w lno} {
935 global repo_config
936 variable active_color
937
938 if {$highlight_commit ne {}} {
939 foreach i $w_columns {
940 $i tag conf g$highlight_commit -background {}
941 $i tag lower g$highlight_commit
942 }
943 }
944
945 if {$cur_w eq $w_asim} {
946 set dat [lindex $asim_data $lno]
947 set highlight_column $w_asim
948 } else {
949 set dat [lindex $amov_data $lno]
950 set highlight_column $w_amov
951 }
952
953 $w_cviewer conf -state normal
954 $w_cviewer delete 0.0 end
955
956 if {$dat eq {}} {
957 set cmit {}
958 $w_cviewer insert end [mc "Loading annotation..."] still_loading
959 } else {
960 set cmit [lindex $dat 0]
961 set file [lindex $dat 1]
962
963 foreach i $w_columns {
964 $i tag conf g$cmit -background $active_color
965 $i tag raise g$cmit
966 if {$i eq $w_file} {
967 $w_file tag raise found
968 }
969 $i tag raise sel
970 }
971
972 set author_name {}
973 set author_email {}
974 set author_time {}
975 catch {set author_name $header($cmit,author)}
976 catch {set author_email $header($cmit,author-mail)}
977 catch {set author_time [format_date $header($cmit,author-time)]}
978
979 set committer_name {}
980 set committer_email {}
981 set committer_time {}
982 catch {set committer_name $header($cmit,committer)}
983 catch {set committer_email $header($cmit,committer-mail)}
984 catch {set committer_time [format_date $header($cmit,committer-time)]}
985
986 if {[catch {set msg $header($cmit,message)}]} {
987 set msg {}
988 catch {
989 set fd [git_read cat-file commit $cmit]
990 fconfigure $fd -encoding binary -translation lf
991 # By default commits are assumed to be in utf-8
992 set enc utf-8
993 while {[gets $fd line] > 0} {
994 if {[string match {encoding *} $line]} {
995 set enc [string tolower [string range $line 9 end]]
996 }
997 }
998 set msg [read $fd]
999 close $fd
1000
1001 set enc [tcl_encoding $enc]
1002 if {$enc ne {}} {
1003 set msg [encoding convertfrom $enc $msg]
1004 }
1005 set msg [string trim $msg]
1006 }
1007 set header($cmit,message) $msg
1008 }
1009
1010 $w_cviewer insert end "commit $cmit\n" header_key
1011 $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
1012 $w_cviewer insert end "$author_name $author_email" header_val
1013 $w_cviewer insert end " $author_time\n" header_val
1014
1015 $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
1016 $w_cviewer insert end "$committer_name $committer_email" header_val
1017 $w_cviewer insert end " $committer_time\n" header_val
1018
1019 if {$file ne $path} {
1020 $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
1021 $w_cviewer insert end "[escape_path $file]\n" header_val
1022 }
1023
1024 $w_cviewer insert end "\n$msg"
1025 }
1026 $w_cviewer conf -state disabled
1027
1028 set highlight_line $lno
1029 set highlight_commit $cmit
1030
1031 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
1032 _hide_tooltip $this
1033 }
1034 }
1035
1036 method _get_click_amov_info {} {
1037 set pos @$::cursorX,$::cursorY
1038 set lno [lindex [split [$::cursorW index $pos] .] 0]
1039 return [lindex $amov_data $lno]
1040 }
1041
1042 method _copycommit {} {
1043 set dat [_get_click_amov_info $this]
1044 if {$dat ne {}} {
1045 clipboard clear
1046 clipboard append \
1047 -format STRING \
1048 -type STRING \
1049 -- [lindex $dat 0]
1050 }
1051 }
1052
1053 method _format_offset_date {base offset} {
1054 set exval [expr {$base + $offset*24*60*60}]
1055 return [clock format $exval -format {%Y-%m-%d}]
1056 }
1057
1058 method _gitkcommit {} {
1059 global nullid
1060
1061 set dat [_get_click_amov_info $this]
1062 if {$dat ne {}} {
1063 set cmit [lindex $dat 0]
1064
1065 # If the line belongs to the working copy, use HEAD instead
1066 if {$cmit eq $nullid} {
1067 if {[catch {set cmit [git rev-parse --verify HEAD]} err]} {
1068 error_popup [strcat [mc "Cannot find HEAD commit:"] "\n\n$err"]
1069 return;
1070 }
1071 }
1072
1073 set radius [get_config gui.blamehistoryctx]
1074 set cmdline [list --select-commit=$cmit]
1075
1076 if {$radius > 0} {
1077 set author_time {}
1078 set committer_time {}
1079
1080 catch {set author_time $header($cmit,author-time)}
1081 catch {set committer_time $header($cmit,committer-time)}
1082
1083 if {$committer_time eq {}} {
1084 set committer_time $author_time
1085 }
1086
1087 set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
1088 set before_time [_format_offset_date $this $committer_time $radius]
1089
1090 lappend cmdline --after=$after_time --before=$before_time
1091 }
1092
1093 lappend cmdline $cmit
1094
1095 set base_rev "HEAD"
1096 if {$commit ne {}} {
1097 set base_rev $commit
1098 }
1099
1100 if {$base_rev ne $cmit} {
1101 lappend cmdline $base_rev
1102 }
1103
1104 do_gitk $cmdline
1105 }
1106 }
1107
1108 method _blameparent {} {
1109 global nullid
1110
1111 set dat [_get_click_amov_info $this]
1112 if {$dat ne {}} {
1113 set cmit [lindex $dat 0]
1114 set new_path [lindex $dat 1]
1115
1116 # Allow using Blame Parent on lines modified in the working copy
1117 if {$cmit eq $nullid} {
1118 set parent_ref "HEAD"
1119 } else {
1120 set parent_ref "$cmit^"
1121 }
1122 if {[catch {set cparent [git rev-parse --verify $parent_ref]} err]} {
1123 error_popup [strcat [mc "Cannot find parent commit:"] "\n\n$err"]
1124 return;
1125 }
1126
1127 _kill $this
1128
1129 # Generate a diff between the commit and its parent,
1130 # and use the hunks to update the line number.
1131 # Request zero context to simplify calculations.
1132 if {$cmit eq $nullid} {
1133 set diffcmd [list diff-index --unified=0 $cparent -- $new_path]
1134 } else {
1135 set diffcmd [list diff-tree --unified=0 $cparent $cmit -- $new_path]
1136 }
1137 if {[catch {set fd [eval git_read $diffcmd]} err]} {
1138 $status_operation stop [mc "Unable to display parent"]
1139 error_popup [strcat [mc "Error loading diff:"] "\n\n$err"]
1140 return
1141 }
1142
1143 set r_orig_line [lindex $dat 2]
1144
1145 fconfigure $fd \
1146 -blocking 0 \
1147 -encoding binary \
1148 -translation binary
1149 fileevent $fd readable [cb _read_diff_load_commit \
1150 $fd $cparent $new_path $r_orig_line]
1151 set current_fd $fd
1152 }
1153 }
1154
1155 method _read_diff_load_commit {fd cparent new_path tline} {
1156 if {$fd ne $current_fd} {
1157 catch {close $fd}
1158 return
1159 }
1160
1161 while {[gets $fd line] >= 0} {
1162 if {[regexp {^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@} $line line \
1163 old_line osz old_size new_line nsz new_size]} {
1164
1165 if {$osz eq {}} { set old_size 1 }
1166 if {$nsz eq {}} { set new_size 1 }
1167
1168 if {$new_line <= $tline} {
1169 if {[expr {$new_line + $new_size}] > $tline} {
1170 # Target line within the hunk
1171 set line_shift [expr {
1172 ($new_size-$old_size)*($tline-$new_line)/$new_size
1173 }]
1174 } else {
1175 set line_shift [expr {$new_size-$old_size}]
1176 }
1177
1178 set r_orig_line [expr {$r_orig_line - $line_shift}]
1179 }
1180 }
1181 }
1182
1183 if {[eof $fd]} {
1184 close $fd
1185 set current_fd {}
1186
1187 _load_new_commit $this \
1188 $cparent \
1189 $new_path \
1190 [list $r_orig_line]
1191 }
1192 } ifdeleted { catch {close $fd} }
1193
1194 method _show_tooltip {cur_w pos} {
1195 if {$tooltip_wm ne {}} {
1196 _open_tooltip $this $cur_w
1197 } elseif {$tooltip_timer eq {}} {
1198 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
1199 }
1200 }
1201
1202 method _open_tooltip {cur_w} {
1203 set tooltip_timer {}
1204 set pos_x [winfo pointerx $cur_w]
1205 set pos_y [winfo pointery $cur_w]
1206 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
1207 _hide_tooltip $this
1208 return
1209 }
1210
1211 if {$tooltip_wm ne "$cur_w.tooltip"} {
1212 _hide_tooltip $this
1213
1214 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
1215 catch {wm attributes $tooltip_wm -type tooltip}
1216 wm overrideredirect $tooltip_wm 1
1217 wm transient $tooltip_wm [winfo toplevel $cur_w]
1218 set tooltip_t $tooltip_wm.label
1219 text $tooltip_t \
1220 -takefocus 0 \
1221 -highlightthickness 0 \
1222 -relief flat \
1223 -borderwidth 0 \
1224 -wrap none \
1225 -background lightyellow \
1226 -foreground black
1227 $tooltip_t tag conf section_header -font font_uibold
1228 pack $tooltip_t
1229 } else {
1230 $tooltip_t conf -state normal
1231 $tooltip_t delete 0.0 end
1232 }
1233
1234 set pos @[join [list \
1235 [expr {$pos_x - [winfo rootx $cur_w]}] \
1236 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
1237 set lno [lindex [split [$cur_w index $pos] .] 0]
1238 if {$cur_w eq $w_amov} {
1239 set dat [lindex $amov_data $lno]
1240 set org {}
1241 } else {
1242 set dat [lindex $asim_data $lno]
1243 set org [lindex $amov_data $lno]
1244 }
1245
1246 if {$dat eq {}} {
1247 _hide_tooltip $this
1248 return
1249 }
1250
1251 set cmit [lindex $dat 0]
1252 set tooltip_commit [list $cmit]
1253
1254 set author_name {}
1255 set summary {}
1256 set author_time {}
1257 catch {set author_name $header($cmit,author)}
1258 catch {set summary $header($cmit,summary)}
1259 catch {set author_time [format_date $header($cmit,author-time)]}
1260
1261 $tooltip_t insert end "commit $cmit\n"
1262 $tooltip_t insert end "$author_name $author_time\n"
1263 $tooltip_t insert end "$summary"
1264
1265 if {$org ne {} && [lindex $org 0] ne $cmit} {
1266 set save [$tooltip_t get 0.0 end]
1267 $tooltip_t delete 0.0 end
1268
1269 set cmit [lindex $org 0]
1270 set file [lindex $org 1]
1271 lappend tooltip_commit $cmit
1272
1273 set author_name {}
1274 set summary {}
1275 set author_time {}
1276 catch {set author_name $header($cmit,author)}
1277 catch {set summary $header($cmit,summary)}
1278 catch {set author_time [format_date $header($cmit,author-time)]}
1279
1280 $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
1281 $tooltip_t insert end "commit $cmit\n"
1282 $tooltip_t insert end "$author_name $author_time\n"
1283 $tooltip_t insert end "$summary\n"
1284
1285 if {$file ne $path} {
1286 $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
1287 $tooltip_t insert end "$file\n"
1288 }
1289
1290 $tooltip_t insert end "\n"
1291 $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
1292 $tooltip_t insert end $save
1293 }
1294
1295 $tooltip_t conf -state disabled
1296 _position_tooltip $this
1297
1298 # On MacOS raising a window causes it to acquire focus.
1299 # Tk 8.5 on MacOS seems to properly support wm transient,
1300 # so we can safely counter the effect there.
1301 if {$::have_tk85 && [is_MacOSX]} {
1302 update
1303 if {$w eq {}} {
1304 raise .
1305 } else {
1306 raise $w
1307 }
1308 }
1309 }
1310
1311 method _position_tooltip {} {
1312 set max_h [lindex [split [$tooltip_t index end] .] 0]
1313 set max_w 0
1314 for {set i 1} {$i <= $max_h} {incr i} {
1315 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
1316 if {$c > $max_w} {set max_w $c}
1317 }
1318 $tooltip_t conf -width $max_w -height $max_h
1319
1320 set req_w [winfo reqwidth $tooltip_t]
1321 set req_h [winfo reqheight $tooltip_t]
1322 set pos_x [expr {[winfo pointerx .] + 5}]
1323 set pos_y [expr {[winfo pointery .] + 10}]
1324
1325 set g "${req_w}x${req_h}"
1326 if {[tk windowingsystem] eq "win32" || $pos_x >= 0} {append g +}
1327 append g $pos_x
1328 if {[tk windowingsystem] eq "win32" || $pos_y >= 0} {append g +}
1329 append g $pos_y
1330
1331 wm geometry $tooltip_wm $g
1332 if {![is_MacOSX]} {
1333 raise $tooltip_wm
1334 }
1335 }
1336
1337 method _hide_tooltip {} {
1338 if {$tooltip_wm ne {}} {
1339 destroy $tooltip_wm
1340 set tooltip_wm {}
1341 set tooltip_commit {}
1342 }
1343 if {$tooltip_timer ne {}} {
1344 after cancel $tooltip_timer
1345 set tooltip_timer {}
1346 }
1347 }
1348
1349 method _resize {new_height} {
1350 set diff [expr {$new_height - $old_height}]
1351 if {$diff == 0} return
1352
1353 set my [expr {[winfo height $w.file_pane] - 25}]
1354 set o [$w.file_pane sash coord 0]
1355 set ox [lindex $o 0]
1356 set oy [expr {[lindex $o 1] + $diff}]
1357 if {$oy < 0} {set oy 0}
1358 if {$oy > $my} {set oy $my}
1359 $w.file_pane sash place 0 $ox $oy
1360
1361 set old_height $new_height
1362 }
1363
1364 method _show_finder {} {
1365 linebar::hide $gotoline
1366 searchbar::show $finder
1367 }
1368
1369 method _show_linebar {} {
1370 searchbar::hide $finder
1371 linebar::show $gotoline
1372 }
1373
1374 }
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