1# git-gui blame viewer
2# Copyright (C) 2006, 2007 Shawn Pearce
3class blame {
5image create photo ::blame::img_back_arrow -data {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}
7# Persistant data (survives loads)
9#
10field history {}; # viewer history: {commit path}
11field header ; # array commit,key -> header field
12# Tk UI control paths
14#
15field w ; # top window in this viewer
16field w_back ; # our back button
17field w_path ; # label showing the current file path
18field w_columns ; # list of all column widgets in the viewer
19field w_line ; # text column: all line numbers
20field w_amov ; # text column: annotations + move tracking
21field w_asim ; # text column: annotations (simple computation)
22field w_file ; # text column: actual file data
23field w_cviewer ; # pane showing commit message
24field status ; # status mega-widget instance
25field old_height ; # last known height of $w.file_pane
26# Tk UI colors
28#
29variable active_color #c0edc5
30variable group_colors {
31 #d6d6d6
32 #e1e1e1
33 #ececec
34}
35# Current blame data; cleared/reset on each load
37#
38field commit ; # input commit to blame
39field path ; # input filename to view in $commit
40field current_fd {} ; # background process running
42field highlight_line -1 ; # current line selected
43field highlight_column {} ; # current commit column selected
44field highlight_commit {} ; # sha1 of commit selected
45field total_lines 0 ; # total length of file
47field blame_lines 0 ; # number of lines computed
48field amov_data ; # list of {commit origfile origline}
49field asim_data ; # list of {commit origfile origline}
50field r_commit ; # commit currently being parsed
52field r_orig_line ; # original line number
53field r_final_line ; # final line number
54field r_line_count ; # lines in this region
55field tooltip_wm {} ; # Current tooltip toplevel, if open
57field tooltip_t {} ; # Text widget in $tooltip_wm
58field tooltip_timer {} ; # Current timer event for our tooltip
59field tooltip_commit {} ; # Commit(s) in tooltip
60constructor new {i_commit i_path i_jump} {
62 global cursor_ptr
63 variable active_color
64 variable group_colors
65 set commit $i_commit
67 set path $i_path
68 make_toplevel top w
70 wm title $top [append "[appname] ([reponame]): " [mc "File Viewer"]]
71 frame $w.header -background gold
73 label $w.header.commit_l \
74 -text [mc "Commit:"] \
75 -background gold \
76 -foreground black \
77 -anchor w \
78 -justify left
79 set w_back $w.header.commit_b
80 label $w_back \
81 -image ::blame::img_back_arrow \
82 -borderwidth 0 \
83 -relief flat \
84 -state disabled \
85 -background gold \
86 -foreground black \
87 -activebackground gold
88 bind $w_back <Button-1> "
89 if {\[$w_back cget -state\] eq {normal}} {
90 [cb _history_menu]
91 }
92 "
93 label $w.header.commit \
94 -textvariable @commit \
95 -background gold \
96 -foreground black \
97 -anchor w \
98 -justify left
99 label $w.header.path_l \
100 -text [mc "File:"] \
101 -background gold \
102 -foreground black \
103 -anchor w \
104 -justify left
105 set w_path $w.header.path
106 label $w_path \
107 -background gold \
108 -foreground black \
109 -anchor w \
110 -justify left
111 pack $w.header.commit_l -side left
112 pack $w_back -side left
113 pack $w.header.commit -side left
114 pack $w_path -fill x -side right
115 pack $w.header.path_l -side right
116 panedwindow $w.file_pane -orient vertical
118 frame $w.file_pane.out
119 frame $w.file_pane.cm
120 $w.file_pane add $w.file_pane.out \
121 -sticky nsew \
122 -minsize 100 \
123 -height 100 \
124 -width 100
125 $w.file_pane add $w.file_pane.cm \
126 -sticky nsew \
127 -minsize 25 \
128 -height 25 \
129 -width 100
130 set w_line $w.file_pane.out.linenumber_t
132 text $w_line \
133 -takefocus 0 \
134 -highlightthickness 0 \
135 -padx 0 -pady 0 \
136 -background white \
137 -foreground black \
138 -borderwidth 0 \
139 -state disabled \
140 -wrap none \
141 -height 40 \
142 -width 6 \
143 -font font_diff
144 $w_line tag conf linenumber -justify right -rmargin 5
145 set w_amov $w.file_pane.out.amove_t
147 text $w_amov \
148 -takefocus 0 \
149 -highlightthickness 0 \
150 -padx 0 -pady 0 \
151 -background white \
152 -foreground black \
153 -borderwidth 0 \
154 -state disabled \
155 -wrap none \
156 -height 40 \
157 -width 5 \
158 -font font_diff
159 $w_amov tag conf author_abbr -justify right -rmargin 5
160 $w_amov tag conf curr_commit
161 $w_amov tag conf prior_commit -foreground blue -underline 1
162 $w_amov tag bind prior_commit \
163 <Button-1> \
164 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
165 set w_asim $w.file_pane.out.asimple_t
167 text $w_asim \
168 -takefocus 0 \
169 -highlightthickness 0 \
170 -padx 0 -pady 0 \
171 -background white \
172 -foreground black \
173 -borderwidth 0 \
174 -state disabled \
175 -wrap none \
176 -height 40 \
177 -width 4 \
178 -font font_diff
179 $w_asim tag conf author_abbr -justify right
180 $w_asim tag conf curr_commit
181 $w_asim tag conf prior_commit -foreground blue -underline 1
182 $w_asim tag bind prior_commit \
183 <Button-1> \
184 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
185 set w_file $w.file_pane.out.file_t
187 text $w_file \
188 -takefocus 0 \
189 -highlightthickness 0 \
190 -padx 0 -pady 0 \
191 -background white \
192 -foreground black \
193 -borderwidth 0 \
194 -state disabled \
195 -wrap none \
196 -height 40 \
197 -width 80 \
198 -xscrollcommand [list $w.file_pane.out.sbx set] \
199 -font font_diff
200 set w_columns [list $w_amov $w_asim $w_line $w_file]
202 scrollbar $w.file_pane.out.sbx \
204 -orient h \
205 -command [list $w_file xview]
206 scrollbar $w.file_pane.out.sby \
207 -orient v \
208 -command [list scrollbar2many $w_columns yview]
209 eval grid $w_columns $w.file_pane.out.sby -sticky nsew
210 grid conf \
211 $w.file_pane.out.sbx \
212 -column [expr {[llength $w_columns] - 1}] \
213 -sticky we
214 grid columnconfigure \
215 $w.file_pane.out \
216 [expr {[llength $w_columns] - 1}] \
217 -weight 1
218 grid rowconfigure $w.file_pane.out 0 -weight 1
219 set w_cviewer $w.file_pane.cm.t
221 text $w_cviewer \
222 -background white \
223 -foreground black \
224 -borderwidth 0 \
225 -state disabled \
226 -wrap none \
227 -height 10 \
228 -width 80 \
229 -xscrollcommand [list $w.file_pane.cm.sbx set] \
230 -yscrollcommand [list $w.file_pane.cm.sby set] \
231 -font font_diff
232 $w_cviewer tag conf still_loading \
233 -font font_uiitalic \
234 -justify center
235 $w_cviewer tag conf header_key \
236 -tabs {3c} \
237 -background $active_color \
238 -font font_uibold
239 $w_cviewer tag conf header_val \
240 -background $active_color \
241 -font font_ui
242 $w_cviewer tag raise sel
243 scrollbar $w.file_pane.cm.sbx \
244 -orient h \
245 -command [list $w_cviewer xview]
246 scrollbar $w.file_pane.cm.sby \
247 -orient v \
248 -command [list $w_cviewer yview]
249 pack $w.file_pane.cm.sby -side right -fill y
250 pack $w.file_pane.cm.sbx -side bottom -fill x
251 pack $w_cviewer -expand 1 -fill both
252 set status [::status_bar::new $w.status]
254 menu $w.ctxm -tearoff 0
256 $w.ctxm add command \
257 -label [mc "Copy Commit"] \
258 -command [cb _copycommit]
259 $w.ctxm add separator
260 menu $w.ctxm.enc
261 build_encoding_menu $w.ctxm.enc [cb _setencoding]
262 $w.ctxm add cascade \
263 -label [mc "Encoding"] \
264 -menu $w.ctxm.enc
265 $w.ctxm add command \
266 -label [mc "Do Full Copy Detection"] \
267 -command [cb _fullcopyblame]
268 $w.ctxm add separator
269 $w.ctxm add command \
270 -label [mc "Show History Context"] \
271 -command [cb _gitkcommit]
272 $w.ctxm add command \
273 -label [mc "Blame Parent Commit"] \
274 -command [cb _blameparent]
275 foreach i $w_columns {
277 for {set g 0} {$g < [llength $group_colors]} {incr g} {
278 $i tag conf color$g -background [lindex $group_colors $g]
279 }
280 $i conf -cursor $cursor_ptr
282 $i conf -yscrollcommand [list many2scrollbar \
283 $w_columns yview $w.file_pane.out.sby]
284 bind $i <Button-1> "
285 [cb _hide_tooltip]
286 [cb _click $i @%x,%y]
287 focus $i
288 "
289 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
290 bind $i <Any-Enter> [cb _hide_tooltip]
291 bind $i <Any-Leave> [cb _hide_tooltip]
292 bind_button3 $i "
293 [cb _hide_tooltip]
294 set cursorX %x
295 set cursorY %y
296 set cursorW %W
297 tk_popup $w.ctxm %X %Y
298 "
299 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
300 bind $i <Tab> "[list focus $w_cviewer];break"
301 }
302 foreach i [concat $w_columns $w_cviewer] {
304 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
305 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
306 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
307 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
308 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
309 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
310 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
311 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
312 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
313 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
314 }
315 bind $w_cviewer <Shift-Tab> "[list focus $w_file];break"
317 bind $w_cviewer <Tab> "[list focus $w_file];break"
318 bind $w_cviewer <Button-1> [list focus $w_cviewer]
319 bind $w_file <Visibility> [list focus $w_file]
320 grid configure $w.header -sticky ew
322 grid configure $w.file_pane -sticky nsew
323 grid configure $w.status -sticky ew
324 grid columnconfigure $top 0 -weight 1
325 grid rowconfigure $top 0 -weight 0
326 grid rowconfigure $top 1 -weight 1
327 grid rowconfigure $top 2 -weight 0
328 set req_w [winfo reqwidth $top]
330 set req_h [winfo reqheight $top]
331 set scr_h [expr {[winfo screenheight $top] - 100}]
332 if {$req_w < 600} {set req_w 600}
333 if {$req_h < $scr_h} {set req_h $scr_h}
334 set g "${req_w}x${req_h}"
335 wm geometry $top $g
336 update
337 set old_height [winfo height $w.file_pane]
339 $w.file_pane sash place 0 \
340 [lindex [$w.file_pane sash coord 0] 0] \
341 [expr {int($old_height * 0.70)}]
342 bind $w.file_pane <Configure> \
343 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
344 wm protocol $top WM_DELETE_WINDOW "destroy $top"
346 bind $top <Destroy> [cb _kill]
347 _load $this $i_jump
349}
350method _kill {} {
352 if {$current_fd ne {}} {
353 kill_file_process $current_fd
354 catch {close $current_fd}
355 set current_fd {}
356 }
357}
358method _load {jump} {
360 variable group_colors
361 _hide_tooltip $this
363 if {$total_lines != 0 || $current_fd ne {}} {
365 _kill $this
366 foreach i $w_columns {
368 $i conf -state normal
369 $i delete 0.0 end
370 foreach g [$i tag names] {
371 if {[regexp {^g[0-9a-f]{40}$} $g]} {
372 $i tag delete $g
373 }
374 }
375 $i conf -state disabled
376 }
377 $w_cviewer conf -state normal
379 $w_cviewer delete 0.0 end
380 $w_cviewer conf -state disabled
381 set highlight_line -1
383 set highlight_column {}
384 set highlight_commit {}
385 set total_lines 0
386 }
387 if {$history eq {}} {
389 $w_back conf -state disabled
390 } else {
391 $w_back conf -state normal
392 }
393 # Index 0 is always empty. There is never line 0 as
395 # we use only 1 based lines, as that matches both with
396 # git-blame output and with Tk's text widget.
397 #
398 set amov_data [list [list]]
399 set asim_data [list [list]]
400 $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
402 $w_path conf -text [escape_path $path]
403 if {$commit eq {}} {
404 set fd [open $path r]
405 fconfigure $fd -eofchar {}
406 } else {
407 set fd [git_read cat-file blob "$commit:$path"]
408 }
409 fconfigure $fd \
410 -blocking 0 \
411 -translation lf \
412 -encoding [get_path_encoding $path]
413 fileevent $fd readable [cb _read_file $fd $jump]
414 set current_fd $fd
415}
416method _history_menu {} {
418 set m $w.backmenu
419 if {[winfo exists $m]} {
420 $m delete 0 end
421 } else {
422 menu $m -tearoff 0
423 }
424 for {set i [expr {[llength $history] - 1}]
426 } {$i >= 0} {incr i -1} {
427 set e [lindex $history $i]
428 set c [lindex $e 0]
429 set f [lindex $e 1]
430 if {[regexp {^[0-9a-f]{40}$} $c]} {
432 set t [string range $c 0 8]...
433 } elseif {$c eq {}} {
434 set t {Working Directory}
435 } else {
436 set t $c
437 }
438 if {![catch {set summary $header($c,summary)}]} {
439 append t " $summary"
440 if {[string length $t] > 70} {
441 set t [string range $t 0 66]...
442 }
443 }
444 $m add command -label $t -command [cb _goback $i]
446 }
447 set X [winfo rootx $w_back]
448 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
449 tk_popup $m $X $Y
450}
451method _goback {i} {
453 set dat [lindex $history $i]
454 set history [lrange $history 0 [expr {$i - 1}]]
455 set commit [lindex $dat 0]
456 set path [lindex $dat 1]
457 _load $this [lrange $dat 2 5]
458}
459method _read_file {fd jump} {
461 if {$fd ne $current_fd} {
462 catch {close $fd}
463 return
464 }
465 foreach i $w_columns {$i conf -state normal}
467 while {[gets $fd line] >= 0} {
468 regsub "\r\$" $line {} line
469 incr total_lines
470 lappend amov_data {}
471 lappend asim_data {}
472 if {$total_lines > 1} {
474 foreach i $w_columns {$i insert end "\n"}
475 }
476 $w_line insert end "$total_lines" linenumber
478 $w_file insert end "$line"
479 }
480 set ln_wc [expr {[string length $total_lines] + 2}]
482 if {[$w_line cget -width] < $ln_wc} {
483 $w_line conf -width $ln_wc
484 }
485 foreach i $w_columns {$i conf -state disabled}
487 if {[eof $fd]} {
489 close $fd
490 # If we don't force Tk to update the widgets *right now*
492 # none of our jump commands will cause a change in the UI.
493 #
494 update
495 if {[llength $jump] == 1} {
497 set highlight_line [lindex $jump 0]
498 $w_file see "$highlight_line.0"
499 } elseif {[llength $jump] == 4} {
500 set highlight_column [lindex $jump 0]
501 set highlight_line [lindex $jump 1]
502 $w_file xview moveto [lindex $jump 2]
503 $w_file yview moveto [lindex $jump 3]
504 }
505 _exec_blame $this $w_asim @asim_data \
507 [list] \
508 [mc "Loading copy/move tracking annotations..."]
509 }
510} ifdeleted { catch {close $fd} }
511method _exec_blame {cur_w cur_d options cur_s} {
513 lappend options --incremental
514 if {$commit eq {}} {
515 lappend options --contents $path
516 } else {
517 lappend options $commit
518 }
519 lappend options -- $path
520 set fd [eval git_read --nice blame $options]
521 fconfigure $fd -blocking 0 -translation lf -encoding utf-8
522 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
523 set current_fd $fd
524 set blame_lines 0
525 $status start \
527 $cur_s \
528 [mc "lines annotated"]
529}
530method _read_blame {fd cur_w cur_d} {
532 upvar #0 $cur_d line_data
533 variable group_colors
534 if {$fd ne $current_fd} {
536 catch {close $fd}
537 return
538 }
539 $cur_w conf -state normal
541 while {[gets $fd line] >= 0} {
542 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
543 cmit original_line final_line line_count]} {
544 set r_commit $cmit
545 set r_orig_line $original_line
546 set r_final_line $final_line
547 set r_line_count $line_count
548 } elseif {[string match {filename *} $line]} {
549 set file [string range $line 9 end]
550 set n $r_line_count
551 set lno $r_final_line
552 set oln $r_orig_line
553 set cmit $r_commit
554 if {[regexp {^0{40}$} $cmit]} {
556 set commit_abbr work
557 set commit_type curr_commit
558 } elseif {$cmit eq $commit} {
559 set commit_abbr this
560 set commit_type curr_commit
561 } else {
562 set commit_type prior_commit
563 set commit_abbr [string range $cmit 0 3]
564 }
565 set author_abbr {}
567 set a_name {}
568 catch {set a_name $header($cmit,author)}
569 while {$a_name ne {}} {
570 if {$author_abbr ne {}
571 && [string index $a_name 0] eq {'}} {
572 regsub {^'[^']+'\s+} $a_name {} a_name
573 }
574 if {![regexp {^([[:upper:]])} $a_name _a]} break
575 append author_abbr $_a
576 unset _a
577 if {![regsub \
578 {^[[:upper:]][^\s]*\s+} \
579 $a_name {} a_name ]} break
580 }
581 if {$author_abbr eq {}} {
582 set author_abbr { |}
583 } else {
584 set author_abbr [string range $author_abbr 0 3]
585 }
586 unset a_name
587 set first_lno $lno
589 while {
590 $first_lno > 1
591 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
592 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
593 } {
594 incr first_lno -1
595 }
596 set color {}
598 if {$first_lno < $lno} {
599 foreach g [$w_file tag names $first_lno.0] {
600 if {[regexp {^color[0-9]+$} $g]} {
601 set color $g
602 break
603 }
604 }
605 } else {
606 set i [lsort [concat \
607 [$w_file tag names "[expr {$first_lno - 1}].0"] \
608 [$w_file tag names "[expr {$lno + $n}].0"] \
609 ]]
610 for {set g 0} {$g < [llength $group_colors]} {incr g} {
611 if {[lsearch -sorted -exact $i color$g] == -1} {
612 set color color$g
613 break
614 }
615 }
616 }
617 if {$color eq {}} {
618 set color color0
619 }
620 while {$n > 0} {
622 set lno_e "$lno.0 lineend + 1c"
623 if {[lindex $line_data $lno] ne {}} {
624 set g [lindex $line_data $lno 0]
625 foreach i $w_columns {
626 $i tag remove g$g $lno.0 $lno_e
627 }
628 }
629 lset line_data $lno [list $cmit $file $oln]
630 $cur_w delete $lno.0 "$lno.0 lineend"
632 if {$lno == $first_lno} {
633 $cur_w insert $lno.0 $commit_abbr $commit_type
634 } elseif {$lno == [expr {$first_lno + 1}]} {
635 $cur_w insert $lno.0 $author_abbr author_abbr
636 } else {
637 $cur_w insert $lno.0 { |}
638 }
639 foreach i $w_columns {
641 if {$cur_w eq $w_amov} {
642 for {set g 0} \
643 {$g < [llength $group_colors]} \
644 {incr g} {
645 $i tag remove color$g $lno.0 $lno_e
646 }
647 $i tag add $color $lno.0 $lno_e
648 }
649 $i tag add g$cmit $lno.0 $lno_e
650 }
651 if {$highlight_column eq $cur_w} {
653 if {$highlight_line == -1
654 && [lindex [$w_file yview] 0] == 0} {
655 $w_file see $lno.0
656 set highlight_line $lno
657 }
658 if {$highlight_line == $lno} {
659 _showcommit $this $cur_w $lno
660 }
661 }
662 incr n -1
664 incr lno
665 incr oln
666 incr blame_lines
667 }
668 while {
670 $cmit eq [lindex $line_data $lno 0]
671 && $file eq [lindex $line_data $lno 1]
672 } {
673 $cur_w delete $lno.0 "$lno.0 lineend"
674 if {$lno == $first_lno} {
676 $cur_w insert $lno.0 $commit_abbr $commit_type
677 } elseif {$lno == [expr {$first_lno + 1}]} {
678 $cur_w insert $lno.0 $author_abbr author_abbr
679 } else {
680 $cur_w insert $lno.0 { |}
681 }
682 if {$cur_w eq $w_amov} {
684 foreach i $w_columns {
685 for {set g 0} \
686 {$g < [llength $group_colors]} \
687 {incr g} {
688 $i tag remove color$g $lno.0 $lno_e
689 }
690 $i tag add $color $lno.0 $lno_e
691 }
692 }
693 incr lno
695 }
696 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
698 set header($r_commit,$key) $data
699 }
700 }
701 $cur_w conf -state disabled
702 if {[eof $fd]} {
704 close $fd
705 if {$cur_w eq $w_asim} {
706 # Switches for original location detection
707 set threshold [get_config gui.copyblamethreshold]
708 set original_options [list "-C$threshold"]
709 if {![is_config_true gui.fastcopyblame]} {
711 # thorough copy search; insert before the threshold
712 set original_options [linsert $original_options 0 -C]
713 }
714 if {[git-version >= 1.5.3]} {
715 lappend original_options -w ; # ignore indentation changes
716 }
717 _exec_blame $this $w_amov @amov_data \
719 $original_options \
720 [mc "Loading original location annotations..."]
721 } else {
722 set current_fd {}
723 $status stop [mc "Annotation complete."]
724 }
725 } else {
726 $status update $blame_lines $total_lines
727 }
728} ifdeleted { catch {close $fd} }
729method _find_commit_bound {data_list start_idx delta} {
731 upvar #0 $data_list line_data
732 set pos $start_idx
733 set limit [expr {[llength $line_data] - 1}]
734 set base_commit [lindex $line_data $pos 0]
735 while {$pos > 0 && $pos < $limit} {
737 set new_pos [expr {$pos + $delta}]
738 if {[lindex $line_data $new_pos 0] ne $base_commit} {
739 return $pos
740 }
741 set pos $new_pos
743 }
744 return $pos
746}
747method _fullcopyblame {} {
749 if {$current_fd ne {}} {
750 tk_messageBox \
751 -icon error \
752 -type ok \
753 -title [mc "Busy"] \
754 -message [mc "Annotation process is already running."]
755 return
757 }
758 # Switches for original location detection
760 set threshold [get_config gui.copyblamethreshold]
761 set original_options [list -C -C "-C$threshold"]
762 if {[git-version >= 1.5.3]} {
764 lappend original_options -w ; # ignore indentation changes
765 }
766 # Find the line range
768 set pos @$::cursorX,$::cursorY
769 set lno [lindex [split [$::cursorW index $pos] .] 0]
770 set min_amov_lno [_find_commit_bound $this @amov_data $lno -1]
771 set max_amov_lno [_find_commit_bound $this @amov_data $lno 1]
772 set min_asim_lno [_find_commit_bound $this @asim_data $lno -1]
773 set max_asim_lno [_find_commit_bound $this @asim_data $lno 1]
774 if {$min_asim_lno < $min_amov_lno} {
776 set min_amov_lno $min_asim_lno
777 }
778 if {$max_asim_lno > $max_amov_lno} {
780 set max_amov_lno $max_asim_lno
781 }
782 lappend original_options -L "$min_amov_lno,$max_amov_lno"
784 # Clear lines
786 for {set i $min_amov_lno} {$i <= $max_amov_lno} {incr i} {
787 lset amov_data $i [list ]
788 }
789 # Start the back-end process
791 _exec_blame $this $w_amov @amov_data \
792 $original_options \
793 [mc "Running thorough copy detection..."]
794}
795method _click {cur_w pos} {
797 set lno [lindex [split [$cur_w index $pos] .] 0]
798 _showcommit $this $cur_w $lno
799}
800method _setencoding {enc} {
802 force_path_encoding $path $enc
803 _load $this [list \
804 $highlight_column \
805 $highlight_line \
806 [lindex [$w_file xview] 0] \
807 [lindex [$w_file yview] 0] \
808 ]
809}
810method _load_commit {cur_w cur_d pos} {
812 upvar #0 $cur_d line_data
813 set lno [lindex [split [$cur_w index $pos] .] 0]
814 set dat [lindex $line_data $lno]
815 if {$dat ne {}} {
816 _load_new_commit $this \
817 [lindex $dat 0] \
818 [lindex $dat 1] \
819 [list [lindex $dat 2]]
820 }
821}
822method _load_new_commit {new_commit new_path jump} {
824 lappend history [list \
825 $commit $path \
826 $highlight_column \
827 $highlight_line \
828 [lindex [$w_file xview] 0] \
829 [lindex [$w_file yview] 0] \
830 ]
831 set commit $new_commit
833 set path $new_path
834 _load $this $jump
835}
836method _showcommit {cur_w lno} {
838 global repo_config
839 variable active_color
840 if {$highlight_commit ne {}} {
842 foreach i $w_columns {
843 $i tag conf g$highlight_commit -background {}
844 $i tag lower g$highlight_commit
845 }
846 }
847 if {$cur_w eq $w_asim} {
849 set dat [lindex $asim_data $lno]
850 set highlight_column $w_asim
851 } else {
852 set dat [lindex $amov_data $lno]
853 set highlight_column $w_amov
854 }
855 $w_cviewer conf -state normal
857 $w_cviewer delete 0.0 end
858 if {$dat eq {}} {
860 set cmit {}
861 $w_cviewer insert end [mc "Loading annotation..."] still_loading
862 } else {
863 set cmit [lindex $dat 0]
864 set file [lindex $dat 1]
865 foreach i $w_columns {
867 $i tag conf g$cmit -background $active_color
868 $i tag raise g$cmit
869 }
870 set author_name {}
872 set author_email {}
873 set author_time {}
874 catch {set author_name $header($cmit,author)}
875 catch {set author_email $header($cmit,author-mail)}
876 catch {set author_time [format_date $header($cmit,author-time)]}
877 set committer_name {}
879 set committer_email {}
880 set committer_time {}
881 catch {set committer_name $header($cmit,committer)}
882 catch {set committer_email $header($cmit,committer-mail)}
883 catch {set committer_time [format_date $header($cmit,committer-time)]}
884 if {[catch {set msg $header($cmit,message)}]} {
886 set msg {}
887 catch {
888 set fd [git_read cat-file commit $cmit]
889 fconfigure $fd -encoding binary -translation lf
890 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
891 set enc utf-8
892 }
893 while {[gets $fd line] > 0} {
894 if {[string match {encoding *} $line]} {
895 set enc [string tolower [string range $line 9 end]]
896 }
897 }
898 set msg [read $fd]
899 close $fd
900 set enc [tcl_encoding $enc]
902 if {$enc ne {}} {
903 set msg [encoding convertfrom $enc $msg]
904 }
905 set msg [string trim $msg]
906 }
907 set header($cmit,message) $msg
908 }
909 $w_cviewer insert end "commit $cmit\n" header_key
911 $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
912 $w_cviewer insert end "$author_name $author_email" header_val
913 $w_cviewer insert end " $author_time\n" header_val
914 $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
916 $w_cviewer insert end "$committer_name $committer_email" header_val
917 $w_cviewer insert end " $committer_time\n" header_val
918 if {$file ne $path} {
920 $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
921 $w_cviewer insert end "[escape_path $file]\n" header_val
922 }
923 $w_cviewer insert end "\n$msg"
925 }
926 $w_cviewer conf -state disabled
927 set highlight_line $lno
929 set highlight_commit $cmit
930 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
932 _hide_tooltip $this
933 }
934}
935method _get_click_amov_info {} {
937 set pos @$::cursorX,$::cursorY
938 set lno [lindex [split [$::cursorW index $pos] .] 0]
939 return [lindex $amov_data $lno]
940}
941method _copycommit {} {
943 set dat [_get_click_amov_info $this]
944 if {$dat ne {}} {
945 clipboard clear
946 clipboard append \
947 -format STRING \
948 -type STRING \
949 -- [lindex $dat 0]
950 }
951}
952method _format_offset_date {base offset} {
954 set exval [expr {$base + $offset*24*60*60}]
955 return [clock format $exval -format {%Y-%m-%d}]
956}
957method _gitkcommit {} {
959 global nullid
960 set dat [_get_click_amov_info $this]
962 if {$dat ne {}} {
963 set cmit [lindex $dat 0]
964 # If the line belongs to the working copy, use HEAD instead
966 if {$cmit eq $nullid} {
967 if {[catch {set cmit [git rev-parse --verify HEAD]} err]} {
968 error_popup [strcat [mc "Cannot find HEAD commit:"] "\n\n$err"]
969 return;
970 }
971 }
972 set radius [get_config gui.blamehistoryctx]
974 set cmdline [list --select-commit=$cmit]
975 if {$radius > 0} {
977 set author_time {}
978 set committer_time {}
979 catch {set author_time $header($cmit,author-time)}
981 catch {set committer_time $header($cmit,committer-time)}
982 if {$committer_time eq {}} {
984 set committer_time $author_time
985 }
986 set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
988 set before_time [_format_offset_date $this $committer_time $radius]
989 lappend cmdline --after=$after_time --before=$before_time
991 }
992 lappend cmdline $cmit
994 set base_rev "HEAD"
996 if {$commit ne {}} {
997 set base_rev $commit
998 }
999 if {$base_rev ne $cmit} {
1001 lappend cmdline $base_rev
1002 }
1003 do_gitk $cmdline
1005 }
1006}
1007method _blameparent {} {
1009 global nullid
1010 set dat [_get_click_amov_info $this]
1012 if {$dat ne {}} {
1013 set cmit [lindex $dat 0]
1014 set new_path [lindex $dat 1]
1015 # Allow using Blame Parent on lines modified in the working copy
1017 if {$cmit eq $nullid} {
1018 set parent_ref "HEAD"
1019 } else {
1020 set parent_ref "$cmit^"
1021 }
1022 if {[catch {set cparent [git rev-parse --verify $parent_ref]} err]} {
1023 error_popup [strcat [mc "Cannot find parent commit:"] "\n\n$err"]
1024 return;
1025 }
1026 _kill $this
1028 # Generate a diff between the commit and its parent,
1030 # and use the hunks to update the line number.
1031 # Request zero context to simplify calculations.
1032 if {$cmit eq $nullid} {
1033 set diffcmd [list diff-index --unified=0 $cparent -- $new_path]
1034 } else {
1035 set diffcmd [list diff-tree --unified=0 $cparent $cmit -- $new_path]
1036 }
1037 if {[catch {set fd [eval git_read $diffcmd]} err]} {
1038 $status stop [mc "Unable to display parent"]
1039 error_popup [strcat [mc "Error loading diff:"] "\n\n$err"]
1040 return
1041 }
1042 set r_orig_line [lindex $dat 2]
1044 fconfigure $fd \
1046 -blocking 0 \
1047 -encoding binary \
1048 -translation binary
1049 fileevent $fd readable [cb _read_diff_load_commit \
1050 $fd $cparent $new_path $r_orig_line]
1051 set current_fd $fd
1052 }
1053}
1054method _read_diff_load_commit {fd cparent new_path tline} {
1056 if {$fd ne $current_fd} {
1057 catch {close $fd}
1058 return
1059 }
1060 while {[gets $fd line] >= 0} {
1062 if {[regexp {^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@} $line line \
1063 old_line osz old_size new_line nsz new_size]} {
1064 if {$osz eq {}} { set old_size 1 }
1066 if {$nsz eq {}} { set new_size 1 }
1067 if {$new_line <= $tline} {
1069 if {[expr {$new_line + $new_size}] > $tline} {
1070 # Target line within the hunk
1071 set line_shift [expr {
1072 ($new_size-$old_size)*($tline-$new_line)/$new_size
1073 }]
1074 } else {
1075 set line_shift [expr {$new_size-$old_size}]
1076 }
1077 set r_orig_line [expr {$r_orig_line - $line_shift}]
1079 }
1080 }
1081 }
1082 if {[eof $fd]} {
1084 close $fd;
1085 set current_fd {}
1086 _load_new_commit $this \
1088 $cparent \
1089 $new_path \
1090 [list $r_orig_line]
1091 }
1092} ifdeleted { catch {close $fd} }
1093method _show_tooltip {cur_w pos} {
1095 if {$tooltip_wm ne {}} {
1096 _open_tooltip $this $cur_w
1097 } elseif {$tooltip_timer eq {}} {
1098 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
1099 }
1100}
1101method _open_tooltip {cur_w} {
1103 set tooltip_timer {}
1104 set pos_x [winfo pointerx $cur_w]
1105 set pos_y [winfo pointery $cur_w]
1106 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
1107 _hide_tooltip $this
1108 return
1109 }
1110 if {$tooltip_wm ne "$cur_w.tooltip"} {
1112 _hide_tooltip $this
1113 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
1115 wm overrideredirect $tooltip_wm 1
1116 wm transient $tooltip_wm [winfo toplevel $cur_w]
1117 set tooltip_t $tooltip_wm.label
1118 text $tooltip_t \
1119 -takefocus 0 \
1120 -highlightthickness 0 \
1121 -relief flat \
1122 -borderwidth 0 \
1123 -wrap none \
1124 -background lightyellow \
1125 -foreground black
1126 $tooltip_t tag conf section_header -font font_uibold
1127 pack $tooltip_t
1128 } else {
1129 $tooltip_t conf -state normal
1130 $tooltip_t delete 0.0 end
1131 }
1132 set pos @[join [list \
1134 [expr {$pos_x - [winfo rootx $cur_w]}] \
1135 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
1136 set lno [lindex [split [$cur_w index $pos] .] 0]
1137 if {$cur_w eq $w_amov} {
1138 set dat [lindex $amov_data $lno]
1139 set org {}
1140 } else {
1141 set dat [lindex $asim_data $lno]
1142 set org [lindex $amov_data $lno]
1143 }
1144 if {$dat eq {}} {
1146 _hide_tooltip $this
1147 return
1148 }
1149 set cmit [lindex $dat 0]
1151 set tooltip_commit [list $cmit]
1152 set author_name {}
1154 set summary {}
1155 set author_time {}
1156 catch {set author_name $header($cmit,author)}
1157 catch {set summary $header($cmit,summary)}
1158 catch {set author_time [format_date $header($cmit,author-time)]}
1159 $tooltip_t insert end "commit $cmit\n"
1161 $tooltip_t insert end "$author_name $author_time\n"
1162 $tooltip_t insert end "$summary"
1163 if {$org ne {} && [lindex $org 0] ne $cmit} {
1165 set save [$tooltip_t get 0.0 end]
1166 $tooltip_t delete 0.0 end
1167 set cmit [lindex $org 0]
1169 set file [lindex $org 1]
1170 lappend tooltip_commit $cmit
1171 set author_name {}
1173 set summary {}
1174 set author_time {}
1175 catch {set author_name $header($cmit,author)}
1176 catch {set summary $header($cmit,summary)}
1177 catch {set author_time [format_date $header($cmit,author-time)]}
1178 $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
1180 $tooltip_t insert end "commit $cmit\n"
1181 $tooltip_t insert end "$author_name $author_time\n"
1182 $tooltip_t insert end "$summary\n"
1183 if {$file ne $path} {
1185 $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
1186 $tooltip_t insert end "$file\n"
1187 }
1188 $tooltip_t insert end "\n"
1190 $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
1191 $tooltip_t insert end $save
1192 }
1193 $tooltip_t conf -state disabled
1195 _position_tooltip $this
1196}
1197method _position_tooltip {} {
1199 set max_h [lindex [split [$tooltip_t index end] .] 0]
1200 set max_w 0
1201 for {set i 1} {$i <= $max_h} {incr i} {
1202 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
1203 if {$c > $max_w} {set max_w $c}
1204 }
1205 $tooltip_t conf -width $max_w -height $max_h
1206 set req_w [winfo reqwidth $tooltip_t]
1208 set req_h [winfo reqheight $tooltip_t]
1209 set pos_x [expr {[winfo pointerx .] + 5}]
1210 set pos_y [expr {[winfo pointery .] + 10}]
1211 set g "${req_w}x${req_h}"
1213 if {$pos_x >= 0} {append g +}
1214 append g $pos_x
1215 if {$pos_y >= 0} {append g +}
1216 append g $pos_y
1217 wm geometry $tooltip_wm $g
1219 raise $tooltip_wm
1220}
1221method _hide_tooltip {} {
1223 if {$tooltip_wm ne {}} {
1224 destroy $tooltip_wm
1225 set tooltip_wm {}
1226 set tooltip_commit {}
1227 }
1228 if {$tooltip_timer ne {}} {
1229 after cancel $tooltip_timer
1230 set tooltip_timer {}
1231 }
1232}
1233method _resize {new_height} {
1235 set diff [expr {$new_height - $old_height}]
1236 if {$diff == 0} return
1237 set my [expr {[winfo height $w.file_pane] - 25}]
1239 set o [$w.file_pane sash coord 0]
1240 set ox [lindex $o 0]
1241 set oy [expr {[lindex $o 1] + $diff}]
1242 if {$oy < 0} {set oy 0}
1243 if {$oy > $my} {set oy $my}
1244 $w.file_pane sash place 0 $ox $oy
1245 set old_height $new_height
1247}
1248}