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git-gui: Enable jumping to a specific line number in blame view.
[git/jrn.git] / lib / blame.tcl
blob14fde81761315aa67363fa549d78a56413f86069
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 finder ; # find mini-dialog frame
25 field gotoline ; # line goto mini-dialog frame
26 field status ; # status mega-widget instance
27 field old_height ; # last known height of $w.file_pane
28
29
30 # Tk UI colors
31 #
32 variable active_color #c0edc5
33 variable group_colors {
34 #d6d6d6
35 #e1e1e1
36 #ececec
37 }
38
39 # Current blame data; cleared/reset on each load
40 #
41 field commit ; # input commit to blame
42 field path ; # input filename to view in $commit
43
44 field current_fd {} ; # background process running
45 field highlight_line -1 ; # current line selected
46 field highlight_column {} ; # current commit column selected
47 field highlight_commit {} ; # sha1 of commit selected
48
49 field total_lines 0 ; # total length of file
50 field blame_lines 0 ; # number of lines computed
51 field amov_data ; # list of {commit origfile origline}
52 field asim_data ; # list of {commit origfile origline}
53
54 field r_commit ; # commit currently being parsed
55 field r_orig_line ; # original line number
56 field r_final_line ; # final line number
57 field r_line_count ; # lines in this region
58
59 field tooltip_wm {} ; # Current tooltip toplevel, if open
60 field tooltip_t {} ; # Text widget in $tooltip_wm
61 field tooltip_timer {} ; # Current timer event for our tooltip
62 field tooltip_commit {} ; # Commit(s) in tooltip
63
64 constructor new {i_commit i_path i_jump} {
65 global cursor_ptr M1B M1T have_tk85 use_ttk NS
66 variable active_color
67 variable group_colors
68
69 set commit $i_commit
70 set path $i_path
71
72 make_toplevel top w
73 wm title $top [append "[appname] ([reponame]): " [mc "File Viewer"]]
74
75 set font_w [font measure font_diff "0"]
76
77 gold_frame $w.header
78 tlabel $w.header.commit_l \
79 -text [mc "Commit:"] \
80 -background gold \
81 -foreground black \
82 -anchor w \
83 -justify left
84 set w_back $w.header.commit_b
85 tlabel $w_back \
86 -image ::blame::img_back_arrow \
87 -borderwidth 0 \
88 -relief flat \
89 -state disabled \
90 -background gold \
91 -foreground black \
92 -activebackground gold
93 bind $w_back <Button-1> "
94 if {\[$w_back cget -state\] eq {normal}} {
95 [cb _history_menu]
96 }
97 "
98 tlabel $w.header.commit \
99 -textvariable @commit \
100 -background gold \
101 -foreground black \
102 -anchor w \
103 -justify left
104 tlabel $w.header.path_l \
105 -text [mc "File:"] \
106 -background gold \
107 -foreground black \
108 -anchor w \
109 -justify left
110 set w_path $w.header.path
111 tlabel $w_path \
112 -background gold \
113 -foreground black \
114 -anchor w \
115 -justify left
116 pack $w.header.commit_l -side left
117 pack $w_back -side left
118 pack $w.header.commit -side left
119 pack $w_path -fill x -side right
120 pack $w.header.path_l -side right
121
122 panedwindow $w.file_pane -orient vertical -borderwidth 0 -sashwidth 3
123 frame $w.file_pane.out -relief flat -borderwidth 1
124 frame $w.file_pane.cm -relief sunken -borderwidth 1
125 $w.file_pane add $w.file_pane.out \
126 -sticky nsew \
127 -minsize 100 \
128 -height 100 \
129 -width 100
130 $w.file_pane add $w.file_pane.cm \
131 -sticky nsew \
132 -minsize 25 \
133 -height 25 \
134 -width 100
135
136 set w_line $w.file_pane.out.linenumber_t
137 text $w_line \
138 -takefocus 0 \
139 -highlightthickness 0 \
140 -padx 0 -pady 0 \
141 -background white \
142 -foreground black \
143 -borderwidth 0 \
144 -state disabled \
145 -wrap none \
146 -height 40 \
147 -width 6 \
148 -font font_diff
149 $w_line tag conf linenumber -justify right -rmargin 5
150
151 set w_amov $w.file_pane.out.amove_t
152 text $w_amov \
153 -takefocus 0 \
154 -highlightthickness 0 \
155 -padx 0 -pady 0 \
156 -background white \
157 -foreground black \
158 -borderwidth 0 \
159 -state disabled \
160 -wrap none \
161 -height 40 \
162 -width 5 \
163 -font font_diff
164 $w_amov tag conf author_abbr -justify right -rmargin 5
165 $w_amov tag conf curr_commit
166 $w_amov tag conf prior_commit -foreground blue -underline 1
167 $w_amov tag bind prior_commit \
168 <Button-1> \
169 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
170
171 set w_asim $w.file_pane.out.asimple_t
172 text $w_asim \
173 -takefocus 0 \
174 -highlightthickness 0 \
175 -padx 0 -pady 0 \
176 -background white \
177 -foreground black \
178 -borderwidth 0 \
179 -state disabled \
180 -wrap none \
181 -height 40 \
182 -width 4 \
183 -font font_diff
184 $w_asim tag conf author_abbr -justify right
185 $w_asim tag conf curr_commit
186 $w_asim tag conf prior_commit -foreground blue -underline 1
187 $w_asim tag bind prior_commit \
188 <Button-1> \
189 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
190
191 set w_file $w.file_pane.out.file_t
192 text $w_file \
193 -takefocus 0 \
194 -highlightthickness 0 \
195 -padx 0 -pady 0 \
196 -background white \
197 -foreground black \
198 -borderwidth 0 \
199 -state disabled \
200 -wrap none \
201 -height 40 \
202 -width 80 \
203 -xscrollcommand [list $w.file_pane.out.sbx set] \
204 -font font_diff
205 if {$have_tk85} {
206 $w_file configure -inactiveselectbackground darkblue
207 }
208 $w_file tag conf found \
209 -background yellow
210
211 set w_columns [list $w_amov $w_asim $w_line $w_file]
212
213 ${NS}::scrollbar $w.file_pane.out.sbx \
214 -orient h \
215 -command [list $w_file xview]
216 ${NS}::scrollbar $w.file_pane.out.sby \
217 -orient v \
218 -command [list scrollbar2many $w_columns yview]
219 eval grid $w_columns $w.file_pane.out.sby -sticky nsew
220 grid conf \
221 $w.file_pane.out.sbx \
222 -column [expr {[llength $w_columns] - 1}] \
223 -sticky we
224 grid columnconfigure \
225 $w.file_pane.out \
226 [expr {[llength $w_columns] - 1}] \
227 -weight 1
228 grid rowconfigure $w.file_pane.out 0 -weight 1
229
230 set finder [::searchbar::new \
231 $w.file_pane.out.ff $w_file \
232 -column [expr {[llength $w_columns] - 1}] \
233 ]
234
235 set gotoline [::linebar::new \
236 $w.file_pane.out.lf $w_file \
237 -column [expr {[llength $w_columns] - 1}] \
238 ]
239
240 set w_cviewer $w.file_pane.cm.t
241 text $w_cviewer \
242 -background white \
243 -foreground black \
244 -borderwidth 0 \
245 -state disabled \
246 -wrap none \
247 -height 10 \
248 -width 80 \
249 -xscrollcommand [list $w.file_pane.cm.sbx set] \
250 -yscrollcommand [list $w.file_pane.cm.sby set] \
251 -font font_diff
252 $w_cviewer tag conf still_loading \
253 -font font_uiitalic \
254 -justify center
255 $w_cviewer tag conf header_key \
256 -tabs {3c} \
257 -background $active_color \
258 -font font_uibold
259 $w_cviewer tag conf header_val \
260 -background $active_color \
261 -font font_ui
262 $w_cviewer tag raise sel
263 ${NS}::scrollbar $w.file_pane.cm.sbx \
264 -orient h \
265 -command [list $w_cviewer xview]
266 ${NS}::scrollbar $w.file_pane.cm.sby \
267 -orient v \
268 -command [list $w_cviewer yview]
269 pack $w.file_pane.cm.sby -side right -fill y
270 pack $w.file_pane.cm.sbx -side bottom -fill x
271 pack $w_cviewer -expand 1 -fill both
272
273 set status [::status_bar::new $w.status]
274
275 menu $w.ctxm -tearoff 0
276 $w.ctxm add command \
277 -label [mc "Copy Commit"] \
278 -command [cb _copycommit]
279 $w.ctxm add separator
280 $w.ctxm add command \
281 -label [mc "Find Text..."] \
282 -accelerator F7 \
283 -command [list searchbar::show $finder]
284 $w.ctxm add command \
285 -label [mc "Goto Line..."] \
286 -accelerator "Ctrl-G" \
287 -command [list linebar::show $gotoline]
288 menu $w.ctxm.enc
289 build_encoding_menu $w.ctxm.enc [cb _setencoding]
290 $w.ctxm add cascade \
291 -label [mc "Encoding"] \
292 -menu $w.ctxm.enc
293 $w.ctxm add command \
294 -label [mc "Do Full Copy Detection"] \
295 -command [cb _fullcopyblame]
296 $w.ctxm add separator
297 $w.ctxm add command \
298 -label [mc "Show History Context"] \
299 -command [cb _gitkcommit]
300 $w.ctxm add command \
301 -label [mc "Blame Parent Commit"] \
302 -command [cb _blameparent]
303
304 foreach i $w_columns {
305 for {set g 0} {$g < [llength $group_colors]} {incr g} {
306 $i tag conf color$g -background [lindex $group_colors $g]
307 }
308
309 if {$i eq $w_file} {
310 $w_file tag raise found
311 }
312 $i tag raise sel
313
314 $i conf -cursor $cursor_ptr
315 $i conf -yscrollcommand \
316 "[list ::searchbar::scrolled $finder]
317 [list many2scrollbar $w_columns yview $w.file_pane.out.sby]"
318 bind $i <Button-1> "
319 [cb _hide_tooltip]
320 [cb _click $i @%x,%y]
321 focus $i
322 "
323 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
324 bind $i <Any-Enter> [cb _hide_tooltip]
325 bind $i <Any-Leave> [cb _hide_tooltip]
326 bind_button3 $i "
327 [cb _hide_tooltip]
328 set cursorX %x
329 set cursorY %y
330 set cursorW %W
331 tk_popup $w.ctxm %X %Y
332 "
333 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
334 bind $i <Tab> "[cb _focus_search $w_cviewer];break"
335 }
336
337 foreach i [concat $w_columns $w_cviewer] {
338 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
339 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
340 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
341 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
342 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
343 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
344 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
345 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
346 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
347 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
348 }
349
350 bind $w_cviewer <Shift-Tab> "[cb _focus_search $w_file];break"
351 bind $w_cviewer <Tab> "[list focus $w_file];break"
352 bind $w_cviewer <Button-1> [list focus $w_cviewer]
353 bind $w_file <Visibility> [cb _focus_search $w_file]
354 bind $top <F7> [list searchbar::show $finder]
355 bind $top <Escape> [list searchbar::hide $finder]
356 bind $top <F3> [list searchbar::find_next $finder]
357 bind $top <Shift-F3> [list searchbar::find_prev $finder]
358 bind $top <Control-Key-g> [list linebar::show $gotoline]
359 catch { bind $top <Shift-Key-XF86_Switch_VT_3> [list searchbar::find_prev $finder] }
360
361 grid configure $w.header -sticky ew
362 grid configure $w.file_pane -sticky nsew
363 grid configure $w.status -sticky ew
364 grid columnconfigure $top 0 -weight 1
365 grid rowconfigure $top 0 -weight 0
366 grid rowconfigure $top 1 -weight 1
367 grid rowconfigure $top 2 -weight 0
368
369 set req_w [winfo reqwidth $top]
370 set req_h [winfo reqheight $top]
371 set scr_w [expr {[winfo screenwidth $top] - 40}]
372 set scr_h [expr {[winfo screenheight $top] - 120}]
373 set opt_w [expr {$font_w * (80 + 5*3 + 3)}]
374 if {$req_w < $opt_w} {set req_w $opt_w}
375 if {$req_w > $scr_w} {set req_w $scr_w}
376 set opt_h [expr {$req_w*4/3}]
377 if {$req_h < $scr_h} {set req_h $scr_h}
378 if {$req_h > $opt_h} {set req_h $opt_h}
379 set g "${req_w}x${req_h}"
380 wm geometry $top $g
381 update
382
383 set old_height [winfo height $w.file_pane]
384 $w.file_pane sash place 0 \
385 [lindex [$w.file_pane sash coord 0] 0] \
386 [expr {int($old_height * 0.80)}]
387 bind $w.file_pane <Configure> \
388 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
389
390 wm protocol $top WM_DELETE_WINDOW "destroy $top"
391 bind $top <Destroy> [cb _handle_destroy %W]
392
393 _load $this $i_jump
394 }
395
396 method _focus_search {win} {
397 if {[searchbar::visible $finder]} {
398 focus [searchbar::editor $finder]
399 } else {
400 focus $win
401 }
402 }
403
404 method _handle_destroy {win} {
405 if {$win eq $w} {
406 _kill $this
407 delete_this
408 }
409 }
410
411 method _kill {} {
412 if {$current_fd ne {}} {
413 kill_file_process $current_fd
414 catch {close $current_fd}
415 set current_fd {}
416 }
417 }
418
419 method _load {jump} {
420 variable group_colors
421
422 _hide_tooltip $this
423
424 if {$total_lines != 0 || $current_fd ne {}} {
425 _kill $this
426
427 foreach i $w_columns {
428 $i conf -state normal
429 $i delete 0.0 end
430 foreach g [$i tag names] {
431 if {[regexp {^g[0-9a-f]{40}$} $g]} {
432 $i tag delete $g
433 }
434 }
435 $i conf -state disabled
436 }
437
438 $w_cviewer conf -state normal
439 $w_cviewer delete 0.0 end
440 $w_cviewer conf -state disabled
441
442 set highlight_line -1
443 set highlight_column {}
444 set highlight_commit {}
445 set total_lines 0
446 }
447
448 if {$history eq {}} {
449 $w_back conf -state disabled
450 } else {
451 $w_back conf -state normal
452 }
453
454 # Index 0 is always empty. There is never line 0 as
455 # we use only 1 based lines, as that matches both with
456 # git-blame output and with Tk's text widget.
457 #
458 set amov_data [list [list]]
459 set asim_data [list [list]]
460
461 $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
462 $w_path conf -text [escape_path $path]
463
464 set do_textconv 0
465 if {![is_config_false gui.textconv] && [git-version >= 1.7.2]} {
466 set filter [gitattr $path diff set]
467 set textconv [get_config [join [list diff $filter textconv] .]]
468 if {$filter ne {set} && $textconv ne {}} {
469 set do_textconv 1
470 }
471 }
472 if {$commit eq {}} {
473 if {$do_textconv ne 0} {
474 # Run textconv with sh -c "..." to allow it to
475 # contain command + arguments. On windows, just
476 # call the filter command.
477 if {![file executable [shellpath]]} {
478 set fd [open |[linsert $textconv end $path] r]
479 } else {
480 set fd [open |[list [shellpath] -c "$textconv \"\$0\"" $path] r]
481 }
482 } else {
483 set fd [open $path r]
484 }
485 fconfigure $fd -eofchar {}
486 } else {
487 if {$do_textconv ne 0} {
488 set fd [git_read cat-file --textconv "$commit:$path"]
489 } else {
490 set fd [git_read cat-file blob "$commit:$path"]
491 }
492 }
493 fconfigure $fd \
494 -blocking 0 \
495 -translation lf \
496 -encoding [get_path_encoding $path]
497 fileevent $fd readable [cb _read_file $fd $jump]
498 set current_fd $fd
499 }
500
501 method _history_menu {} {
502 set m $w.backmenu
503 if {[winfo exists $m]} {
504 $m delete 0 end
505 } else {
506 menu $m -tearoff 0
507 }
508
509 for {set i [expr {[llength $history] - 1}]
510 } {$i >= 0} {incr i -1} {
511 set e [lindex $history $i]
512 set c [lindex $e 0]
513 set f [lindex $e 1]
514
515 if {[regexp {^[0-9a-f]{40}$} $c]} {
516 set t [string range $c 0 8]...
517 } elseif {$c eq {}} {
518 set t {Working Directory}
519 } else {
520 set t $c
521 }
522 if {![catch {set summary $header($c,summary)}]} {
523 append t " $summary"
524 if {[string length $t] > 70} {
525 set t [string range $t 0 66]...
526 }
527 }
528
529 $m add command -label $t -command [cb _goback $i]
530 }
531 set X [winfo rootx $w_back]
532 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
533 tk_popup $m $X $Y
534 }
535
536 method _goback {i} {
537 set dat [lindex $history $i]
538 set history [lrange $history 0 [expr {$i - 1}]]
539 set commit [lindex $dat 0]
540 set path [lindex $dat 1]
541 _load $this [lrange $dat 2 5]
542 }
543
544 method _read_file {fd jump} {
545 if {$fd ne $current_fd} {
546 catch {close $fd}
547 return
548 }
549
550 foreach i $w_columns {$i conf -state normal}
551 while {[gets $fd line] >= 0} {
552 regsub "\r\$" $line {} line
553 incr total_lines
554 lappend amov_data {}
555 lappend asim_data {}
556
557 if {$total_lines > 1} {
558 foreach i $w_columns {$i insert end "\n"}
559 }
560
561 $w_line insert end "$total_lines" linenumber
562 $w_file insert end "$line"
563 }
564
565 set ln_wc [expr {[string length $total_lines] + 2}]
566 if {[$w_line cget -width] < $ln_wc} {
567 $w_line conf -width $ln_wc
568 }
569
570 foreach i $w_columns {$i conf -state disabled}
571
572 if {[eof $fd]} {
573 close $fd
574
575 # If we don't force Tk to update the widgets *right now*
576 # none of our jump commands will cause a change in the UI.
577 #
578 update
579
580 if {[llength $jump] == 1} {
581 set highlight_line [lindex $jump 0]
582 $w_file see "$highlight_line.0"
583 } elseif {[llength $jump] == 4} {
584 set highlight_column [lindex $jump 0]
585 set highlight_line [lindex $jump 1]
586 $w_file xview moveto [lindex $jump 2]
587 $w_file yview moveto [lindex $jump 3]
588 }
589
590 _exec_blame $this $w_asim @asim_data \
591 [list] \
592 [mc "Loading copy/move tracking annotations..."]
593 }
594 } ifdeleted { catch {close $fd} }
595
596 method _exec_blame {cur_w cur_d options cur_s} {
597 lappend options --incremental --encoding=utf-8
598 if {$commit eq {}} {
599 lappend options --contents $path
600 } else {
601 lappend options $commit
602 }
603 lappend options -- $path
604 set fd [eval git_read --nice blame $options]
605 fconfigure $fd -blocking 0 -translation lf -encoding utf-8
606 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
607 set current_fd $fd
608 set blame_lines 0
609
610 $status start \
611 $cur_s \
612 [mc "lines annotated"]
613 }
614
615 method _read_blame {fd cur_w cur_d} {
616 upvar #0 $cur_d line_data
617 variable group_colors
618
619 if {$fd ne $current_fd} {
620 catch {close $fd}
621 return
622 }
623
624 $cur_w conf -state normal
625 while {[gets $fd line] >= 0} {
626 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
627 cmit original_line final_line line_count]} {
628 set r_commit $cmit
629 set r_orig_line $original_line
630 set r_final_line $final_line
631 set r_line_count $line_count
632 } elseif {[string match {filename *} $line]} {
633 set file [string range $line 9 end]
634 set n $r_line_count
635 set lno $r_final_line
636 set oln $r_orig_line
637 set cmit $r_commit
638
639 if {[regexp {^0{40}$} $cmit]} {
640 set commit_abbr work
641 set commit_type curr_commit
642 } elseif {$cmit eq $commit} {
643 set commit_abbr this
644 set commit_type curr_commit
645 } else {
646 set commit_type prior_commit
647 set commit_abbr [string range $cmit 0 3]
648 }
649
650 set author_abbr {}
651 set a_name {}
652 catch {set a_name $header($cmit,author)}
653 while {$a_name ne {}} {
654 if {$author_abbr ne {}
655 && [string index $a_name 0] eq {'}} {
656 regsub {^'[^']+'\s+} $a_name {} a_name
657 }
658 if {![regexp {^([[:upper:]])} $a_name _a]} break
659 append author_abbr $_a
660 unset _a
661 if {![regsub \
662 {^[[:upper:]][^\s]*\s+} \
663 $a_name {} a_name ]} break
664 }
665 if {$author_abbr eq {}} {
666 set author_abbr { |}
667 } else {
668 set author_abbr [string range $author_abbr 0 3]
669 }
670 unset a_name
671
672 set first_lno $lno
673 while {
674 $first_lno > 1
675 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
676 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
677 } {
678 incr first_lno -1
679 }
680
681 set color {}
682 if {$first_lno < $lno} {
683 foreach g [$w_file tag names $first_lno.0] {
684 if {[regexp {^color[0-9]+$} $g]} {
685 set color $g
686 break
687 }
688 }
689 } else {
690 set i [lsort [concat \
691 [$w_file tag names "[expr {$first_lno - 1}].0"] \
692 [$w_file tag names "[expr {$lno + $n}].0"] \
693 ]]
694 for {set g 0} {$g < [llength $group_colors]} {incr g} {
695 if {[lsearch -sorted -exact $i color$g] == -1} {
696 set color color$g
697 break
698 }
699 }
700 }
701 if {$color eq {}} {
702 set color color0
703 }
704
705 while {$n > 0} {
706 set lno_e "$lno.0 lineend + 1c"
707 if {[lindex $line_data $lno] ne {}} {
708 set g [lindex $line_data $lno 0]
709 foreach i $w_columns {
710 $i tag remove g$g $lno.0 $lno_e
711 }
712 }
713 lset line_data $lno [list $cmit $file $oln]
714
715 $cur_w delete $lno.0 "$lno.0 lineend"
716 if {$lno == $first_lno} {
717 $cur_w insert $lno.0 $commit_abbr $commit_type
718 } elseif {$lno == [expr {$first_lno + 1}]} {
719 $cur_w insert $lno.0 $author_abbr author_abbr
720 } else {
721 $cur_w insert $lno.0 { |}
722 }
723
724 foreach i $w_columns {
725 if {$cur_w eq $w_amov} {
726 for {set g 0} \
727 {$g < [llength $group_colors]} \
728 {incr g} {
729 $i tag remove color$g $lno.0 $lno_e
730 }
731 $i tag add $color $lno.0 $lno_e
732 }
733 $i tag add g$cmit $lno.0 $lno_e
734 }
735
736 if {$highlight_column eq $cur_w} {
737 if {$highlight_line == -1
738 && [lindex [$w_file yview] 0] == 0} {
739 $w_file see $lno.0
740 set highlight_line $lno
741 }
742 if {$highlight_line == $lno} {
743 _showcommit $this $cur_w $lno
744 }
745 }
746
747 incr n -1
748 incr lno
749 incr oln
750 incr blame_lines
751 }
752
753 while {
754 $cmit eq [lindex $line_data $lno 0]
755 && $file eq [lindex $line_data $lno 1]
756 } {
757 $cur_w delete $lno.0 "$lno.0 lineend"
758
759 if {$lno == $first_lno} {
760 $cur_w insert $lno.0 $commit_abbr $commit_type
761 } elseif {$lno == [expr {$first_lno + 1}]} {
762 $cur_w insert $lno.0 $author_abbr author_abbr
763 } else {
764 $cur_w insert $lno.0 { |}
765 }
766
767 if {$cur_w eq $w_amov} {
768 foreach i $w_columns {
769 for {set g 0} \
770 {$g < [llength $group_colors]} \
771 {incr g} {
772 $i tag remove color$g $lno.0 $lno_e
773 }
774 $i tag add $color $lno.0 $lno_e
775 }
776 }
777
778 incr lno
779 }
780
781 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
782 set header($r_commit,$key) $data
783 }
784 }
785 $cur_w conf -state disabled
786
787 if {[eof $fd]} {
788 close $fd
789 if {$cur_w eq $w_asim} {
790 # Switches for original location detection
791 set threshold [get_config gui.copyblamethreshold]
792 set original_options [list "-C$threshold"]
793
794 if {![is_config_true gui.fastcopyblame]} {
795 # thorough copy search; insert before the threshold
796 set original_options [linsert $original_options 0 -C]
797 }
798 if {[git-version >= 1.5.3]} {
799 lappend original_options -w ; # ignore indentation changes
800 }
801
802 _exec_blame $this $w_amov @amov_data \
803 $original_options \
804 [mc "Loading original location annotations..."]
805 } else {
806 set current_fd {}
807 $status stop [mc "Annotation complete."]
808 }
809 } else {
810 $status update $blame_lines $total_lines
811 }
812 } ifdeleted { catch {close $fd} }
813
814 method _find_commit_bound {data_list start_idx delta} {
815 upvar #0 $data_list line_data
816 set pos $start_idx
817 set limit [expr {[llength $line_data] - 1}]
818 set base_commit [lindex $line_data $pos 0]
819
820 while {$pos > 0 && $pos < $limit} {
821 set new_pos [expr {$pos + $delta}]
822 if {[lindex $line_data $new_pos 0] ne $base_commit} {
823 return $pos
824 }
825
826 set pos $new_pos
827 }
828
829 return $pos
830 }
831
832 method _fullcopyblame {} {
833 if {$current_fd ne {}} {
834 tk_messageBox \
835 -icon error \
836 -type ok \
837 -title [mc "Busy"] \
838 -message [mc "Annotation process is already running."]
839
840 return
841 }
842
843 # Switches for original location detection
844 set threshold [get_config gui.copyblamethreshold]
845 set original_options [list -C -C "-C$threshold"]
846
847 if {[git-version >= 1.5.3]} {
848 lappend original_options -w ; # ignore indentation changes
849 }
850
851 # Find the line range
852 set pos @$::cursorX,$::cursorY
853 set lno [lindex [split [$::cursorW index $pos] .] 0]
854 set min_amov_lno [_find_commit_bound $this @amov_data $lno -1]
855 set max_amov_lno [_find_commit_bound $this @amov_data $lno 1]
856 set min_asim_lno [_find_commit_bound $this @asim_data $lno -1]
857 set max_asim_lno [_find_commit_bound $this @asim_data $lno 1]
858
859 if {$min_asim_lno < $min_amov_lno} {
860 set min_amov_lno $min_asim_lno
861 }
862
863 if {$max_asim_lno > $max_amov_lno} {
864 set max_amov_lno $max_asim_lno
865 }
866
867 lappend original_options -L "$min_amov_lno,$max_amov_lno"
868
869 # Clear lines
870 for {set i $min_amov_lno} {$i <= $max_amov_lno} {incr i} {
871 lset amov_data $i [list ]
872 }
873
874 # Start the back-end process
875 _exec_blame $this $w_amov @amov_data \
876 $original_options \
877 [mc "Running thorough copy detection..."]
878 }
879
880 method _click {cur_w pos} {
881 set lno [lindex [split [$cur_w index $pos] .] 0]
882 _showcommit $this $cur_w $lno
883 }
884
885 method _setencoding {enc} {
886 force_path_encoding $path $enc
887 _load $this [list \
888 $highlight_column \
889 $highlight_line \
890 [lindex [$w_file xview] 0] \
891 [lindex [$w_file yview] 0] \
892 ]
893 }
894
895 method _load_commit {cur_w cur_d pos} {
896 upvar #0 $cur_d line_data
897 set lno [lindex [split [$cur_w index $pos] .] 0]
898 set dat [lindex $line_data $lno]
899 if {$dat ne {}} {
900 _load_new_commit $this \
901 [lindex $dat 0] \
902 [lindex $dat 1] \
903 [list [lindex $dat 2]]
904 }
905 }
906
907 method _load_new_commit {new_commit new_path jump} {
908 lappend history [list \
909 $commit $path \
910 $highlight_column \
911 $highlight_line \
912 [lindex [$w_file xview] 0] \
913 [lindex [$w_file yview] 0] \
914 ]
915
916 set commit $new_commit
917 set path $new_path
918 _load $this $jump
919 }
920
921 method _showcommit {cur_w lno} {
922 global repo_config
923 variable active_color
924
925 if {$highlight_commit ne {}} {
926 foreach i $w_columns {
927 $i tag conf g$highlight_commit -background {}
928 $i tag lower g$highlight_commit
929 }
930 }
931
932 if {$cur_w eq $w_asim} {
933 set dat [lindex $asim_data $lno]
934 set highlight_column $w_asim
935 } else {
936 set dat [lindex $amov_data $lno]
937 set highlight_column $w_amov
938 }
939
940 $w_cviewer conf -state normal
941 $w_cviewer delete 0.0 end
942
943 if {$dat eq {}} {
944 set cmit {}
945 $w_cviewer insert end [mc "Loading annotation..."] still_loading
946 } else {
947 set cmit [lindex $dat 0]
948 set file [lindex $dat 1]
949
950 foreach i $w_columns {
951 $i tag conf g$cmit -background $active_color
952 $i tag raise g$cmit
953 if {$i eq $w_file} {
954 $w_file tag raise found
955 }
956 $i tag raise sel
957 }
958
959 set author_name {}
960 set author_email {}
961 set author_time {}
962 catch {set author_name $header($cmit,author)}
963 catch {set author_email $header($cmit,author-mail)}
964 catch {set author_time [format_date $header($cmit,author-time)]}
965
966 set committer_name {}
967 set committer_email {}
968 set committer_time {}
969 catch {set committer_name $header($cmit,committer)}
970 catch {set committer_email $header($cmit,committer-mail)}
971 catch {set committer_time [format_date $header($cmit,committer-time)]}
972
973 if {[catch {set msg $header($cmit,message)}]} {
974 set msg {}
975 catch {
976 set fd [git_read cat-file commit $cmit]
977 fconfigure $fd -encoding binary -translation lf
978 # By default commits are assumed to be in utf-8
979 set enc utf-8
980 while {[gets $fd line] > 0} {
981 if {[string match {encoding *} $line]} {
982 set enc [string tolower [string range $line 9 end]]
983 }
984 }
985 set msg [read $fd]
986 close $fd
987
988 set enc [tcl_encoding $enc]
989 if {$enc ne {}} {
990 set msg [encoding convertfrom $enc $msg]
991 }
992 set msg [string trim $msg]
993 }
994 set header($cmit,message) $msg
995 }
996
997 $w_cviewer insert end "commit $cmit\n" header_key
998 $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
999 $w_cviewer insert end "$author_name $author_email" header_val
1000 $w_cviewer insert end " $author_time\n" header_val
1001
1002 $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
1003 $w_cviewer insert end "$committer_name $committer_email" header_val
1004 $w_cviewer insert end " $committer_time\n" header_val
1005
1006 if {$file ne $path} {
1007 $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
1008 $w_cviewer insert end "[escape_path $file]\n" header_val
1009 }
1010
1011 $w_cviewer insert end "\n$msg"
1012 }
1013 $w_cviewer conf -state disabled
1014
1015 set highlight_line $lno
1016 set highlight_commit $cmit
1017
1018 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
1019 _hide_tooltip $this
1020 }
1021 }
1022
1023 method _get_click_amov_info {} {
1024 set pos @$::cursorX,$::cursorY
1025 set lno [lindex [split [$::cursorW index $pos] .] 0]
1026 return [lindex $amov_data $lno]
1027 }
1028
1029 method _copycommit {} {
1030 set dat [_get_click_amov_info $this]
1031 if {$dat ne {}} {
1032 clipboard clear
1033 clipboard append \
1034 -format STRING \
1035 -type STRING \
1036 -- [lindex $dat 0]
1037 }
1038 }
1039
1040 method _format_offset_date {base offset} {
1041 set exval [expr {$base + $offset*24*60*60}]
1042 return [clock format $exval -format {%Y-%m-%d}]
1043 }
1044
1045 method _gitkcommit {} {
1046 global nullid
1047
1048 set dat [_get_click_amov_info $this]
1049 if {$dat ne {}} {
1050 set cmit [lindex $dat 0]
1051
1052 # If the line belongs to the working copy, use HEAD instead
1053 if {$cmit eq $nullid} {
1054 if {[catch {set cmit [git rev-parse --verify HEAD]} err]} {
1055 error_popup [strcat [mc "Cannot find HEAD commit:"] "\n\n$err"]
1056 return;
1057 }
1058 }
1059
1060 set radius [get_config gui.blamehistoryctx]
1061 set cmdline [list --select-commit=$cmit]
1062
1063 if {$radius > 0} {
1064 set author_time {}
1065 set committer_time {}
1066
1067 catch {set author_time $header($cmit,author-time)}
1068 catch {set committer_time $header($cmit,committer-time)}
1069
1070 if {$committer_time eq {}} {
1071 set committer_time $author_time
1072 }
1073
1074 set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
1075 set before_time [_format_offset_date $this $committer_time $radius]
1076
1077 lappend cmdline --after=$after_time --before=$before_time
1078 }
1079
1080 lappend cmdline $cmit
1081
1082 set base_rev "HEAD"
1083 if {$commit ne {}} {
1084 set base_rev $commit
1085 }
1086
1087 if {$base_rev ne $cmit} {
1088 lappend cmdline $base_rev
1089 }
1090
1091 do_gitk $cmdline
1092 }
1093 }
1094
1095 method _blameparent {} {
1096 global nullid
1097
1098 set dat [_get_click_amov_info $this]
1099 if {$dat ne {}} {
1100 set cmit [lindex $dat 0]
1101 set new_path [lindex $dat 1]
1102
1103 # Allow using Blame Parent on lines modified in the working copy
1104 if {$cmit eq $nullid} {
1105 set parent_ref "HEAD"
1106 } else {
1107 set parent_ref "$cmit^"
1108 }
1109 if {[catch {set cparent [git rev-parse --verify $parent_ref]} err]} {
1110 error_popup [strcat [mc "Cannot find parent commit:"] "\n\n$err"]
1111 return;
1112 }
1113
1114 _kill $this
1115
1116 # Generate a diff between the commit and its parent,
1117 # and use the hunks to update the line number.
1118 # Request zero context to simplify calculations.
1119 if {$cmit eq $nullid} {
1120 set diffcmd [list diff-index --unified=0 $cparent -- $new_path]
1121 } else {
1122 set diffcmd [list diff-tree --unified=0 $cparent $cmit -- $new_path]
1123 }
1124 if {[catch {set fd [eval git_read $diffcmd]} err]} {
1125 $status stop [mc "Unable to display parent"]
1126 error_popup [strcat [mc "Error loading diff:"] "\n\n$err"]
1127 return
1128 }
1129
1130 set r_orig_line [lindex $dat 2]
1131
1132 fconfigure $fd \
1133 -blocking 0 \
1134 -encoding binary \
1135 -translation binary
1136 fileevent $fd readable [cb _read_diff_load_commit \
1137 $fd $cparent $new_path $r_orig_line]
1138 set current_fd $fd
1139 }
1140 }
1141
1142 method _read_diff_load_commit {fd cparent new_path tline} {
1143 if {$fd ne $current_fd} {
1144 catch {close $fd}
1145 return
1146 }
1147
1148 while {[gets $fd line] >= 0} {
1149 if {[regexp {^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@} $line line \
1150 old_line osz old_size new_line nsz new_size]} {
1151
1152 if {$osz eq {}} { set old_size 1 }
1153 if {$nsz eq {}} { set new_size 1 }
1154
1155 if {$new_line <= $tline} {
1156 if {[expr {$new_line + $new_size}] > $tline} {
1157 # Target line within the hunk
1158 set line_shift [expr {
1159 ($new_size-$old_size)*($tline-$new_line)/$new_size
1160 }]
1161 } else {
1162 set line_shift [expr {$new_size-$old_size}]
1163 }
1164
1165 set r_orig_line [expr {$r_orig_line - $line_shift}]
1166 }
1167 }
1168 }
1169
1170 if {[eof $fd]} {
1171 close $fd;
1172 set current_fd {}
1173
1174 _load_new_commit $this \
1175 $cparent \
1176 $new_path \
1177 [list $r_orig_line]
1178 }
1179 } ifdeleted { catch {close $fd} }
1180
1181 method _show_tooltip {cur_w pos} {
1182 if {$tooltip_wm ne {}} {
1183 _open_tooltip $this $cur_w
1184 } elseif {$tooltip_timer eq {}} {
1185 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
1186 }
1187 }
1188
1189 method _open_tooltip {cur_w} {
1190 set tooltip_timer {}
1191 set pos_x [winfo pointerx $cur_w]
1192 set pos_y [winfo pointery $cur_w]
1193 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
1194 _hide_tooltip $this
1195 return
1196 }
1197
1198 if {$tooltip_wm ne "$cur_w.tooltip"} {
1199 _hide_tooltip $this
1200
1201 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
1202 wm overrideredirect $tooltip_wm 1
1203 wm transient $tooltip_wm [winfo toplevel $cur_w]
1204 set tooltip_t $tooltip_wm.label
1205 text $tooltip_t \
1206 -takefocus 0 \
1207 -highlightthickness 0 \
1208 -relief flat \
1209 -borderwidth 0 \
1210 -wrap none \
1211 -background lightyellow \
1212 -foreground black
1213 $tooltip_t tag conf section_header -font font_uibold
1214 pack $tooltip_t
1215 } else {
1216 $tooltip_t conf -state normal
1217 $tooltip_t delete 0.0 end
1218 }
1219
1220 set pos @[join [list \
1221 [expr {$pos_x - [winfo rootx $cur_w]}] \
1222 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
1223 set lno [lindex [split [$cur_w index $pos] .] 0]
1224 if {$cur_w eq $w_amov} {
1225 set dat [lindex $amov_data $lno]
1226 set org {}
1227 } else {
1228 set dat [lindex $asim_data $lno]
1229 set org [lindex $amov_data $lno]
1230 }
1231
1232 if {$dat eq {}} {
1233 _hide_tooltip $this
1234 return
1235 }
1236
1237 set cmit [lindex $dat 0]
1238 set tooltip_commit [list $cmit]
1239
1240 set author_name {}
1241 set summary {}
1242 set author_time {}
1243 catch {set author_name $header($cmit,author)}
1244 catch {set summary $header($cmit,summary)}
1245 catch {set author_time [format_date $header($cmit,author-time)]}
1246
1247 $tooltip_t insert end "commit $cmit\n"
1248 $tooltip_t insert end "$author_name $author_time\n"
1249 $tooltip_t insert end "$summary"
1250
1251 if {$org ne {} && [lindex $org 0] ne $cmit} {
1252 set save [$tooltip_t get 0.0 end]
1253 $tooltip_t delete 0.0 end
1254
1255 set cmit [lindex $org 0]
1256 set file [lindex $org 1]
1257 lappend tooltip_commit $cmit
1258
1259 set author_name {}
1260 set summary {}
1261 set author_time {}
1262 catch {set author_name $header($cmit,author)}
1263 catch {set summary $header($cmit,summary)}
1264 catch {set author_time [format_date $header($cmit,author-time)]}
1265
1266 $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
1267 $tooltip_t insert end "commit $cmit\n"
1268 $tooltip_t insert end "$author_name $author_time\n"
1269 $tooltip_t insert end "$summary\n"
1270
1271 if {$file ne $path} {
1272 $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
1273 $tooltip_t insert end "$file\n"
1274 }
1275
1276 $tooltip_t insert end "\n"
1277 $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
1278 $tooltip_t insert end $save
1279 }
1280
1281 $tooltip_t conf -state disabled
1282 _position_tooltip $this
1283
1284 # On MacOS raising a window causes it to acquire focus.
1285 # Tk 8.5 on MacOS seems to properly support wm transient,
1286 # so we can safely counter the effect there.
1287 if {$::have_tk85 && [is_MacOSX]} {
1288 update
1289 if {$w eq {}} {
1290 raise .
1291 } else {
1292 raise $w
1293 }
1294 }
1295 }
1296
1297 method _position_tooltip {} {
1298 set max_h [lindex [split [$tooltip_t index end] .] 0]
1299 set max_w 0
1300 for {set i 1} {$i <= $max_h} {incr i} {
1301 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
1302 if {$c > $max_w} {set max_w $c}
1303 }
1304 $tooltip_t conf -width $max_w -height $max_h
1305
1306 set req_w [winfo reqwidth $tooltip_t]
1307 set req_h [winfo reqheight $tooltip_t]
1308 set pos_x [expr {[winfo pointerx .] + 5}]
1309 set pos_y [expr {[winfo pointery .] + 10}]
1310
1311 set g "${req_w}x${req_h}"
1312 if {[tk windowingsystem] eq "win32" || $pos_x >= 0} {append g +}
1313 append g $pos_x
1314 if {[tk windowingsystem] eq "win32" || $pos_y >= 0} {append g +}
1315 append g $pos_y
1316
1317 wm geometry $tooltip_wm $g
1318 if {![is_MacOSX]} {
1319 raise $tooltip_wm
1320 }
1321 }
1322
1323 method _hide_tooltip {} {
1324 if {$tooltip_wm ne {}} {
1325 destroy $tooltip_wm
1326 set tooltip_wm {}
1327 set tooltip_commit {}
1328 }
1329 if {$tooltip_timer ne {}} {
1330 after cancel $tooltip_timer
1331 set tooltip_timer {}
1332 }
1333 }
1334
1335 method _resize {new_height} {
1336 set diff [expr {$new_height - $old_height}]
1337 if {$diff == 0} return
1338
1339 set my [expr {[winfo height $w.file_pane] - 25}]
1340 set o [$w.file_pane sash coord 0]
1341 set ox [lindex $o 0]
1342 set oy [expr {[lindex $o 1] + $diff}]
1343 if {$oy < 0} {set oy 0}
1344 if {$oy > $my} {set oy $my}
1345 $w.file_pane sash place 0 $ox $oy
1346
1347 set old_height $new_height
1348 }
1349
1350 }
Jonathan Nieder’s miscellaneous git branches