/
gitk
executable file
·3689 lines (3423 loc) · 95.9 KB
/
gitk
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/bin/sh
# Tcl ignores the next line -*- tcl -*- \
exec wish "$0" -- "${1+$@}"
# Copyright (C) 2005 Paul Mackerras. All rights reserved.
# This program is free software; it may be used, copied, modified
# and distributed under the terms of the GNU General Public Licence,
# either version 2, or (at your option) any later version.
proc gitdir {} {
global env
if {[info exists env(GIT_DIR)]} {
return $env(GIT_DIR)
} else {
return ".git"
}
}
proc getcommits {rargs} {
global commits commfd phase canv mainfont env
global startmsecs nextupdate ncmupdate
global ctext maincursor textcursor leftover
# check that we can find a .git directory somewhere...
set gitdir [gitdir]
if {![file isdirectory $gitdir]} {
error_popup "Cannot find the git directory \"$gitdir\"."
exit 1
}
set commits {}
set phase getcommits
set startmsecs [clock clicks -milliseconds]
set nextupdate [expr $startmsecs + 100]
set ncmupdate 1
if [catch {
set parse_args [concat --default HEAD $rargs]
set parsed_args [split [eval exec git-rev-parse $parse_args] "\n"]
}] {
# if git-rev-parse failed for some reason...
if {$rargs == {}} {
set rargs HEAD
}
set parsed_args $rargs
}
if [catch {
set commfd [open "|git-rev-list --header --topo-order --parents $parsed_args" r]
} err] {
puts stderr "Error executing git-rev-list: $err"
exit 1
}
set leftover {}
fconfigure $commfd -blocking 0 -translation lf
fileevent $commfd readable [list getcommitlines $commfd]
$canv delete all
$canv create text 3 3 -anchor nw -text "Reading commits..." \
-font $mainfont -tags textitems
. config -cursor watch
settextcursor watch
}
proc getcommitlines {commfd} {
global commits parents cdate children
global commitlisted phase commitinfo nextupdate
global stopped redisplaying leftover
set stuff [read $commfd]
if {$stuff == {}} {
if {![eof $commfd]} return
# set it blocking so we wait for the process to terminate
fconfigure $commfd -blocking 1
if {![catch {close $commfd} err]} {
after idle finishcommits
return
}
if {[string range $err 0 4] == "usage"} {
set err \
{Gitk: error reading commits: bad arguments to git-rev-list.
(Note: arguments to gitk are passed to git-rev-list
to allow selection of commits to be displayed.)}
} else {
set err "Error reading commits: $err"
}
error_popup $err
exit 1
}
set start 0
while 1 {
set i [string first "\0" $stuff $start]
if {$i < 0} {
append leftover [string range $stuff $start end]
return
}
set cmit [string range $stuff $start [expr {$i - 1}]]
if {$start == 0} {
set cmit "$leftover$cmit"
set leftover {}
}
set start [expr {$i + 1}]
set j [string first "\n" $cmit]
set ok 0
if {$j >= 0} {
set ids [string range $cmit 0 [expr {$j - 1}]]
set ok 1
foreach id $ids {
if {![regexp {^[0-9a-f]{40}$} $id]} {
set ok 0
break
}
}
}
if {!$ok} {
set shortcmit $cmit
if {[string length $shortcmit] > 80} {
set shortcmit "[string range $shortcmit 0 80]..."
}
error_popup "Can't parse git-rev-list output: {$shortcmit}"
exit 1
}
set id [lindex $ids 0]
set olds [lrange $ids 1 end]
set cmit [string range $cmit [expr {$j + 1}] end]
lappend commits $id
set commitlisted($id) 1
parsecommit $id $cmit 1 [lrange $ids 1 end]
drawcommit $id
if {[clock clicks -milliseconds] >= $nextupdate} {
doupdate 1
}
while {$redisplaying} {
set redisplaying 0
if {$stopped == 1} {
set stopped 0
set phase "getcommits"
foreach id $commits {
drawcommit $id
if {$stopped} break
if {[clock clicks -milliseconds] >= $nextupdate} {
doupdate 1
}
}
}
}
}
}
proc doupdate {reading} {
global commfd nextupdate numcommits ncmupdate
if {$reading} {
fileevent $commfd readable {}
}
update
set nextupdate [expr {[clock clicks -milliseconds] + 100}]
if {$numcommits < 100} {
set ncmupdate [expr {$numcommits + 1}]
} elseif {$numcommits < 10000} {
set ncmupdate [expr {$numcommits + 10}]
} else {
set ncmupdate [expr {$numcommits + 100}]
}
if {$reading} {
fileevent $commfd readable [list getcommitlines $commfd]
}
}
proc readcommit {id} {
if [catch {set contents [exec git-cat-file commit $id]}] return
parsecommit $id $contents 0 {}
}
proc parsecommit {id contents listed olds} {
global commitinfo children nchildren parents nparents cdate ncleft
set inhdr 1
set comment {}
set headline {}
set auname {}
set audate {}
set comname {}
set comdate {}
if {![info exists nchildren($id)]} {
set children($id) {}
set nchildren($id) 0
set ncleft($id) 0
}
set parents($id) $olds
set nparents($id) [llength $olds]
foreach p $olds {
if {![info exists nchildren($p)]} {
set children($p) [list $id]
set nchildren($p) 1
set ncleft($p) 1
} elseif {[lsearch -exact $children($p) $id] < 0} {
lappend children($p) $id
incr nchildren($p)
incr ncleft($p)
}
}
foreach line [split $contents "\n"] {
if {$inhdr} {
if {$line == {}} {
set inhdr 0
} else {
set tag [lindex $line 0]
if {$tag == "author"} {
set x [expr {[llength $line] - 2}]
set audate [lindex $line $x]
set auname [lrange $line 1 [expr {$x - 1}]]
} elseif {$tag == "committer"} {
set x [expr {[llength $line] - 2}]
set comdate [lindex $line $x]
set comname [lrange $line 1 [expr {$x - 1}]]
}
}
} else {
if {$comment == {}} {
set headline [string trim $line]
} else {
append comment "\n"
}
if {!$listed} {
# git-rev-list indents the comment by 4 spaces;
# if we got this via git-cat-file, add the indentation
append comment " "
}
append comment $line
}
}
if {$audate != {}} {
set audate [clock format $audate -format "%Y-%m-%d %H:%M:%S"]
}
if {$comdate != {}} {
set cdate($id) $comdate
set comdate [clock format $comdate -format "%Y-%m-%d %H:%M:%S"]
}
set commitinfo($id) [list $headline $auname $audate \
$comname $comdate $comment]
}
proc readrefs {} {
global tagids idtags headids idheads tagcontents
set tags [glob -nocomplain -types f [gitdir]/refs/tags/*]
foreach f $tags {
catch {
set fd [open $f r]
set line [read $fd]
if {[regexp {^[0-9a-f]{40}} $line id]} {
set direct [file tail $f]
set tagids($direct) $id
lappend idtags($id) $direct
set tagblob [exec git-cat-file tag $id]
set contents [split $tagblob "\n"]
set obj {}
set type {}
set tag {}
foreach l $contents {
if {$l == {}} break
switch -- [lindex $l 0] {
"object" {set obj [lindex $l 1]}
"type" {set type [lindex $l 1]}
"tag" {set tag [string range $l 4 end]}
}
}
if {$obj != {} && $type == "commit" && $tag != {}} {
set tagids($tag) $obj
lappend idtags($obj) $tag
set tagcontents($tag) $tagblob
}
}
close $fd
}
}
set heads [glob -nocomplain -types f [gitdir]/refs/heads/*]
foreach f $heads {
catch {
set fd [open $f r]
set line [read $fd 40]
if {[regexp {^[0-9a-f]{40}} $line id]} {
set head [file tail $f]
set headids($head) $line
lappend idheads($line) $head
}
close $fd
}
}
readotherrefs refs {} {tags heads}
}
proc readotherrefs {base dname excl} {
global otherrefids idotherrefs
set git [gitdir]
set files [glob -nocomplain -types f [file join $git $base *]]
foreach f $files {
catch {
set fd [open $f r]
set line [read $fd 40]
if {[regexp {^[0-9a-f]{40}} $line id]} {
set name "$dname[file tail $f]"
set otherrefids($name) $id
lappend idotherrefs($id) $name
}
close $fd
}
}
set dirs [glob -nocomplain -types d [file join $git $base *]]
foreach d $dirs {
set dir [file tail $d]
if {[lsearch -exact $excl $dir] >= 0} continue
readotherrefs [file join $base $dir] "$dname$dir/" {}
}
}
proc error_popup msg {
set w .error
toplevel $w
wm transient $w .
message $w.m -text $msg -justify center -aspect 400
pack $w.m -side top -fill x -padx 20 -pady 20
button $w.ok -text OK -command "destroy $w"
pack $w.ok -side bottom -fill x
bind $w <Visibility> "grab $w; focus $w"
tkwait window $w
}
proc makewindow {} {
global canv canv2 canv3 linespc charspc ctext cflist textfont
global findtype findtypemenu findloc findstring fstring geometry
global entries sha1entry sha1string sha1but
global maincursor textcursor curtextcursor
global rowctxmenu gaudydiff mergemax
menu .bar
.bar add cascade -label "File" -menu .bar.file
menu .bar.file
.bar.file add command -label "Reread references" -command rereadrefs
.bar.file add command -label "Quit" -command doquit
menu .bar.help
.bar add cascade -label "Help" -menu .bar.help
.bar.help add command -label "About gitk" -command about
. configure -menu .bar
if {![info exists geometry(canv1)]} {
set geometry(canv1) [expr 45 * $charspc]
set geometry(canv2) [expr 30 * $charspc]
set geometry(canv3) [expr 15 * $charspc]
set geometry(canvh) [expr 25 * $linespc + 4]
set geometry(ctextw) 80
set geometry(ctexth) 30
set geometry(cflistw) 30
}
panedwindow .ctop -orient vertical
if {[info exists geometry(width)]} {
.ctop conf -width $geometry(width) -height $geometry(height)
set texth [expr {$geometry(height) - $geometry(canvh) - 56}]
set geometry(ctexth) [expr {($texth - 8) /
[font metrics $textfont -linespace]}]
}
frame .ctop.top
frame .ctop.top.bar
pack .ctop.top.bar -side bottom -fill x
set cscroll .ctop.top.csb
scrollbar $cscroll -command {allcanvs yview} -highlightthickness 0
pack $cscroll -side right -fill y
panedwindow .ctop.top.clist -orient horizontal -sashpad 0 -handlesize 4
pack .ctop.top.clist -side top -fill both -expand 1
.ctop add .ctop.top
set canv .ctop.top.clist.canv
canvas $canv -height $geometry(canvh) -width $geometry(canv1) \
-bg white -bd 0 \
-yscrollincr $linespc -yscrollcommand "$cscroll set"
.ctop.top.clist add $canv
set canv2 .ctop.top.clist.canv2
canvas $canv2 -height $geometry(canvh) -width $geometry(canv2) \
-bg white -bd 0 -yscrollincr $linespc
.ctop.top.clist add $canv2
set canv3 .ctop.top.clist.canv3
canvas $canv3 -height $geometry(canvh) -width $geometry(canv3) \
-bg white -bd 0 -yscrollincr $linespc
.ctop.top.clist add $canv3
bind .ctop.top.clist <Configure> {resizeclistpanes %W %w}
set sha1entry .ctop.top.bar.sha1
set entries $sha1entry
set sha1but .ctop.top.bar.sha1label
button $sha1but -text "SHA1 ID: " -state disabled -relief flat \
-command gotocommit -width 8
$sha1but conf -disabledforeground [$sha1but cget -foreground]
pack .ctop.top.bar.sha1label -side left
entry $sha1entry -width 40 -font $textfont -textvariable sha1string
trace add variable sha1string write sha1change
pack $sha1entry -side left -pady 2
image create bitmap bm-left -data {
#define left_width 16
#define left_height 16
static unsigned char left_bits[] = {
0x00, 0x00, 0xc0, 0x01, 0xe0, 0x00, 0x70, 0x00, 0x38, 0x00, 0x1c, 0x00,
0x0e, 0x00, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0x0e, 0x00, 0x1c, 0x00,
0x38, 0x00, 0x70, 0x00, 0xe0, 0x00, 0xc0, 0x01};
}
image create bitmap bm-right -data {
#define right_width 16
#define right_height 16
static unsigned char right_bits[] = {
0x00, 0x00, 0xc0, 0x01, 0x80, 0x03, 0x00, 0x07, 0x00, 0x0e, 0x00, 0x1c,
0x00, 0x38, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0x00, 0x38, 0x00, 0x1c,
0x00, 0x0e, 0x00, 0x07, 0x80, 0x03, 0xc0, 0x01};
}
button .ctop.top.bar.leftbut -image bm-left -command goback \
-state disabled -width 26
pack .ctop.top.bar.leftbut -side left -fill y
button .ctop.top.bar.rightbut -image bm-right -command goforw \
-state disabled -width 26
pack .ctop.top.bar.rightbut -side left -fill y
button .ctop.top.bar.findbut -text "Find" -command dofind
pack .ctop.top.bar.findbut -side left
set findstring {}
set fstring .ctop.top.bar.findstring
lappend entries $fstring
entry $fstring -width 30 -font $textfont -textvariable findstring
pack $fstring -side left -expand 1 -fill x
set findtype Exact
set findtypemenu [tk_optionMenu .ctop.top.bar.findtype \
findtype Exact IgnCase Regexp]
set findloc "All fields"
tk_optionMenu .ctop.top.bar.findloc findloc "All fields" Headline \
Comments Author Committer Files Pickaxe
pack .ctop.top.bar.findloc -side right
pack .ctop.top.bar.findtype -side right
# for making sure type==Exact whenever loc==Pickaxe
trace add variable findloc write findlocchange
panedwindow .ctop.cdet -orient horizontal
.ctop add .ctop.cdet
frame .ctop.cdet.left
set ctext .ctop.cdet.left.ctext
text $ctext -bg white -state disabled -font $textfont \
-width $geometry(ctextw) -height $geometry(ctexth) \
-yscrollcommand ".ctop.cdet.left.sb set" -wrap none
scrollbar .ctop.cdet.left.sb -command "$ctext yview"
pack .ctop.cdet.left.sb -side right -fill y
pack $ctext -side left -fill both -expand 1
.ctop.cdet add .ctop.cdet.left
$ctext tag conf filesep -font [concat $textfont bold] -back "#aaaaaa"
if {$gaudydiff} {
$ctext tag conf hunksep -back blue -fore white
$ctext tag conf d0 -back "#ff8080"
$ctext tag conf d1 -back green
} else {
$ctext tag conf hunksep -fore blue
$ctext tag conf d0 -fore red
$ctext tag conf d1 -fore "#00a000"
$ctext tag conf m0 -fore red
$ctext tag conf m1 -fore blue
$ctext tag conf m2 -fore green
$ctext tag conf m3 -fore purple
$ctext tag conf m4 -fore brown
$ctext tag conf mmax -fore darkgrey
set mergemax 5
$ctext tag conf mresult -font [concat $textfont bold]
$ctext tag conf msep -font [concat $textfont bold]
$ctext tag conf found -back yellow
}
frame .ctop.cdet.right
set cflist .ctop.cdet.right.cfiles
listbox $cflist -bg white -selectmode extended -width $geometry(cflistw) \
-yscrollcommand ".ctop.cdet.right.sb set"
scrollbar .ctop.cdet.right.sb -command "$cflist yview"
pack .ctop.cdet.right.sb -side right -fill y
pack $cflist -side left -fill both -expand 1
.ctop.cdet add .ctop.cdet.right
bind .ctop.cdet <Configure> {resizecdetpanes %W %w}
pack .ctop -side top -fill both -expand 1
bindall <1> {selcanvline %W %x %y}
#bindall <B1-Motion> {selcanvline %W %x %y}
bindall <ButtonRelease-4> "allcanvs yview scroll -5 units"
bindall <ButtonRelease-5> "allcanvs yview scroll 5 units"
bindall <2> "allcanvs scan mark 0 %y"
bindall <B2-Motion> "allcanvs scan dragto 0 %y"
bind . <Key-Up> "selnextline -1"
bind . <Key-Down> "selnextline 1"
bind . <Key-Prior> "allcanvs yview scroll -1 pages"
bind . <Key-Next> "allcanvs yview scroll 1 pages"
bindkey <Key-Delete> "$ctext yview scroll -1 pages"
bindkey <Key-BackSpace> "$ctext yview scroll -1 pages"
bindkey <Key-space> "$ctext yview scroll 1 pages"
bindkey p "selnextline -1"
bindkey n "selnextline 1"
bindkey b "$ctext yview scroll -1 pages"
bindkey d "$ctext yview scroll 18 units"
bindkey u "$ctext yview scroll -18 units"
bindkey / {findnext 1}
bindkey <Key-Return> {findnext 0}
bindkey ? findprev
bindkey f nextfile
bind . <Control-q> doquit
bind . <Control-f> dofind
bind . <Control-g> {findnext 0}
bind . <Control-r> findprev
bind . <Control-equal> {incrfont 1}
bind . <Control-KP_Add> {incrfont 1}
bind . <Control-minus> {incrfont -1}
bind . <Control-KP_Subtract> {incrfont -1}
bind $cflist <<ListboxSelect>> listboxsel
bind . <Destroy> {savestuff %W}
bind . <Button-1> "click %W"
bind $fstring <Key-Return> dofind
bind $sha1entry <Key-Return> gotocommit
bind $sha1entry <<PasteSelection>> clearsha1
set maincursor [. cget -cursor]
set textcursor [$ctext cget -cursor]
set curtextcursor $textcursor
set rowctxmenu .rowctxmenu
menu $rowctxmenu -tearoff 0
$rowctxmenu add command -label "Diff this -> selected" \
-command {diffvssel 0}
$rowctxmenu add command -label "Diff selected -> this" \
-command {diffvssel 1}
$rowctxmenu add command -label "Make patch" -command mkpatch
$rowctxmenu add command -label "Create tag" -command mktag
$rowctxmenu add command -label "Write commit to file" -command writecommit
}
# when we make a key binding for the toplevel, make sure
# it doesn't get triggered when that key is pressed in the
# find string entry widget.
proc bindkey {ev script} {
global entries
bind . $ev $script
set escript [bind Entry $ev]
if {$escript == {}} {
set escript [bind Entry <Key>]
}
foreach e $entries {
bind $e $ev "$escript; break"
}
}
# set the focus back to the toplevel for any click outside
# the entry widgets
proc click {w} {
global entries
foreach e $entries {
if {$w == $e} return
}
focus .
}
proc savestuff {w} {
global canv canv2 canv3 ctext cflist mainfont textfont
global stuffsaved findmergefiles gaudydiff maxgraphpct
global maxwidth
if {$stuffsaved} return
if {![winfo viewable .]} return
catch {
set f [open "~/.gitk-new" w]
puts $f [list set mainfont $mainfont]
puts $f [list set textfont $textfont]
puts $f [list set findmergefiles $findmergefiles]
puts $f [list set gaudydiff $gaudydiff]
puts $f [list set maxgraphpct $maxgraphpct]
puts $f [list set maxwidth $maxwidth]
puts $f "set geometry(width) [winfo width .ctop]"
puts $f "set geometry(height) [winfo height .ctop]"
puts $f "set geometry(canv1) [expr [winfo width $canv]-2]"
puts $f "set geometry(canv2) [expr [winfo width $canv2]-2]"
puts $f "set geometry(canv3) [expr [winfo width $canv3]-2]"
puts $f "set geometry(canvh) [expr [winfo height $canv]-2]"
set wid [expr {([winfo width $ctext] - 8) \
/ [font measure $textfont "0"]}]
puts $f "set geometry(ctextw) $wid"
set wid [expr {([winfo width $cflist] - 11) \
/ [font measure [$cflist cget -font] "0"]}]
puts $f "set geometry(cflistw) $wid"
close $f
file rename -force "~/.gitk-new" "~/.gitk"
}
set stuffsaved 1
}
proc resizeclistpanes {win w} {
global oldwidth
if [info exists oldwidth($win)] {
set s0 [$win sash coord 0]
set s1 [$win sash coord 1]
if {$w < 60} {
set sash0 [expr {int($w/2 - 2)}]
set sash1 [expr {int($w*5/6 - 2)}]
} else {
set factor [expr {1.0 * $w / $oldwidth($win)}]
set sash0 [expr {int($factor * [lindex $s0 0])}]
set sash1 [expr {int($factor * [lindex $s1 0])}]
if {$sash0 < 30} {
set sash0 30
}
if {$sash1 < $sash0 + 20} {
set sash1 [expr $sash0 + 20]
}
if {$sash1 > $w - 10} {
set sash1 [expr $w - 10]
if {$sash0 > $sash1 - 20} {
set sash0 [expr $sash1 - 20]
}
}
}
$win sash place 0 $sash0 [lindex $s0 1]
$win sash place 1 $sash1 [lindex $s1 1]
}
set oldwidth($win) $w
}
proc resizecdetpanes {win w} {
global oldwidth
if [info exists oldwidth($win)] {
set s0 [$win sash coord 0]
if {$w < 60} {
set sash0 [expr {int($w*3/4 - 2)}]
} else {
set factor [expr {1.0 * $w / $oldwidth($win)}]
set sash0 [expr {int($factor * [lindex $s0 0])}]
if {$sash0 < 45} {
set sash0 45
}
if {$sash0 > $w - 15} {
set sash0 [expr $w - 15]
}
}
$win sash place 0 $sash0 [lindex $s0 1]
}
set oldwidth($win) $w
}
proc allcanvs args {
global canv canv2 canv3
eval $canv $args
eval $canv2 $args
eval $canv3 $args
}
proc bindall {event action} {
global canv canv2 canv3
bind $canv $event $action
bind $canv2 $event $action
bind $canv3 $event $action
}
proc about {} {
set w .about
if {[winfo exists $w]} {
raise $w
return
}
toplevel $w
wm title $w "About gitk"
message $w.m -text {
Gitk version 1.2
Copyright © 2005 Paul Mackerras
Use and redistribute under the terms of the GNU General Public License} \
-justify center -aspect 400
pack $w.m -side top -fill x -padx 20 -pady 20
button $w.ok -text Close -command "destroy $w"
pack $w.ok -side bottom
}
proc assigncolor {id} {
global commitinfo colormap commcolors colors nextcolor
global parents nparents children nchildren
global cornercrossings crossings
if [info exists colormap($id)] return
set ncolors [llength $colors]
if {$nparents($id) <= 1 && $nchildren($id) == 1} {
set child [lindex $children($id) 0]
if {[info exists colormap($child)]
&& $nparents($child) == 1} {
set colormap($id) $colormap($child)
return
}
}
set badcolors {}
if {[info exists cornercrossings($id)]} {
foreach x $cornercrossings($id) {
if {[info exists colormap($x)]
&& [lsearch -exact $badcolors $colormap($x)] < 0} {
lappend badcolors $colormap($x)
}
}
if {[llength $badcolors] >= $ncolors} {
set badcolors {}
}
}
set origbad $badcolors
if {[llength $badcolors] < $ncolors - 1} {
if {[info exists crossings($id)]} {
foreach x $crossings($id) {
if {[info exists colormap($x)]
&& [lsearch -exact $badcolors $colormap($x)] < 0} {
lappend badcolors $colormap($x)
}
}
if {[llength $badcolors] >= $ncolors} {
set badcolors $origbad
}
}
set origbad $badcolors
}
if {[llength $badcolors] < $ncolors - 1} {
foreach child $children($id) {
if {[info exists colormap($child)]
&& [lsearch -exact $badcolors $colormap($child)] < 0} {
lappend badcolors $colormap($child)
}
if {[info exists parents($child)]} {
foreach p $parents($child) {
if {[info exists colormap($p)]
&& [lsearch -exact $badcolors $colormap($p)] < 0} {
lappend badcolors $colormap($p)
}
}
}
}
if {[llength $badcolors] >= $ncolors} {
set badcolors $origbad
}
}
for {set i 0} {$i <= $ncolors} {incr i} {
set c [lindex $colors $nextcolor]
if {[incr nextcolor] >= $ncolors} {
set nextcolor 0
}
if {[lsearch -exact $badcolors $c]} break
}
set colormap($id) $c
}
proc initgraph {} {
global canvy canvy0 lineno numcommits nextcolor linespc
global mainline mainlinearrow sidelines
global nchildren ncleft
global displist nhyperspace
allcanvs delete all
set nextcolor 0
set canvy $canvy0
set lineno -1
set numcommits 0
catch {unset mainline}
catch {unset mainlinearrow}
catch {unset sidelines}
foreach id [array names nchildren] {
set ncleft($id) $nchildren($id)
}
set displist {}
set nhyperspace 0
}
proc bindline {t id} {
global canv
$canv bind $t <Enter> "lineenter %x %y $id"
$canv bind $t <Motion> "linemotion %x %y $id"
$canv bind $t <Leave> "lineleave $id"
$canv bind $t <Button-1> "lineclick %x %y $id 1"
}
proc drawlines {id xtra} {
global mainline mainlinearrow sidelines lthickness colormap canv
$canv delete lines.$id
if {[info exists mainline($id)]} {
set t [$canv create line $mainline($id) \
-width [expr {($xtra + 1) * $lthickness}] \
-fill $colormap($id) -tags lines.$id \
-arrow $mainlinearrow($id)]
$canv lower $t
bindline $t $id
}
if {[info exists sidelines($id)]} {
foreach ls $sidelines($id) {
set coords [lindex $ls 0]
set thick [lindex $ls 1]
set arrow [lindex $ls 2]
set t [$canv create line $coords -fill $colormap($id) \
-width [expr {($thick + $xtra) * $lthickness}] \
-arrow $arrow -tags lines.$id]
$canv lower $t
bindline $t $id
}
}
}
# level here is an index in displist
proc drawcommitline {level} {
global parents children nparents displist
global canv canv2 canv3 mainfont namefont canvy linespc
global lineid linehtag linentag linedtag commitinfo
global colormap numcommits currentparents dupparents
global idtags idline idheads idotherrefs
global lineno lthickness mainline mainlinearrow sidelines
global commitlisted rowtextx idpos lastuse displist
global oldnlines olddlevel olddisplist
incr numcommits
incr lineno
set id [lindex $displist $level]
set lastuse($id) $lineno
set lineid($lineno) $id
set idline($id) $lineno
set ofill [expr {[info exists commitlisted($id)]? "blue": "white"}]
if {![info exists commitinfo($id)]} {
readcommit $id
if {![info exists commitinfo($id)]} {
set commitinfo($id) {"No commit information available"}
set nparents($id) 0
}
}
assigncolor $id
set currentparents {}
set dupparents {}
if {[info exists commitlisted($id)] && [info exists parents($id)]} {
foreach p $parents($id) {
if {[lsearch -exact $currentparents $p] < 0} {
lappend currentparents $p
} else {
# remember that this parent was listed twice
lappend dupparents $p
}
}
}
set x [xcoord $level $level $lineno]
set y1 $canvy
set canvy [expr $canvy + $linespc]
allcanvs conf -scrollregion \
[list 0 0 0 [expr $y1 + 0.5 * $linespc + 2]]
if {[info exists mainline($id)]} {
lappend mainline($id) $x $y1
if {$mainlinearrow($id) ne "none"} {
set mainline($id) [trimdiagstart $mainline($id)]
}
}
drawlines $id 0
set orad [expr {$linespc / 3}]
set t [$canv create oval [expr $x - $orad] [expr $y1 - $orad] \
[expr $x + $orad - 1] [expr $y1 + $orad - 1] \
-fill $ofill -outline black -width 1]
$canv raise $t
$canv bind $t <1> {selcanvline {} %x %y}
set xt [xcoord [llength $displist] $level $lineno]
if {[llength $currentparents] > 2} {
set xt [expr {$xt + ([llength $currentparents] - 2) * $linespc}]
}
set rowtextx($lineno) $xt
set idpos($id) [list $x $xt $y1]
if {[info exists idtags($id)] || [info exists idheads($id)]
|| [info exists idotherrefs($id)]} {
set xt [drawtags $id $x $xt $y1]
}
set headline [lindex $commitinfo($id) 0]
set name [lindex $commitinfo($id) 1]
set date [lindex $commitinfo($id) 2]
set linehtag($lineno) [$canv create text $xt $y1 -anchor w \
-text $headline -font $mainfont ]
$canv bind $linehtag($lineno) <Button-3> "rowmenu %X %Y $id"
set linentag($lineno) [$canv2 create text 3 $y1 -anchor w \
-text $name -font $namefont]
set linedtag($lineno) [$canv3 create text 3 $y1 -anchor w \
-text $date -font $mainfont]
set olddlevel $level
set olddisplist $displist
set oldnlines [llength $displist]
}
proc drawtags {id x xt y1} {
global idtags idheads idotherrefs
global linespc lthickness
global canv mainfont idline rowtextx
set marks {}
set ntags 0
set nheads 0
if {[info exists idtags($id)]} {
set marks $idtags($id)
set ntags [llength $marks]
}
if {[info exists idheads($id)]} {
set marks [concat $marks $idheads($id)]
set nheads [llength $idheads($id)]
}
if {[info exists idotherrefs($id)]} {
set marks [concat $marks $idotherrefs($id)]
}
if {$marks eq {}} {
return $xt
}
set delta [expr {int(0.5 * ($linespc - $lthickness))}]
set yt [expr $y1 - 0.5 * $linespc]
set yb [expr $yt + $linespc - 1]
set xvals {}
set wvals {}
foreach tag $marks {
set wid [font measure $mainfont $tag]
lappend xvals $xt
lappend wvals $wid
set xt [expr {$xt + $delta + $wid + $lthickness + $linespc}]
}
set t [$canv create line $x $y1 [lindex $xvals end] $y1 \
-width $lthickness -fill black -tags tag.$id]
$canv lower $t
foreach tag $marks x $xvals wid $wvals {
set xl [expr $x + $delta]
set xr [expr $x + $delta + $wid + $lthickness]
if {[incr ntags -1] >= 0} {
# draw a tag
set t [$canv create polygon $x [expr $yt + $delta] $xl $yt \
$xr $yt $xr $yb $xl $yb $x [expr $yb - $delta] \
-width 1 -outline black -fill yellow -tags tag.$id]
$canv bind $t <1> [list showtag $tag 1]
set rowtextx($idline($id)) [expr {$xr + $linespc}]
} else {
# draw a head or other ref
if {[incr nheads -1] >= 0} {
set col green
} else {
set col "#ddddff"
}
set xl [expr $xl - $delta/2]
$canv create polygon $x $yt $xr $yt $xr $yb $x $yb \
-width 1 -outline black -fill $col -tags tag.$id
}
set t [$canv create text $xl $y1 -anchor w -text $tag \
-font $mainfont -tags tag.$id]
if {$ntags >= 0} {
$canv bind $t <1> [list showtag $tag 1]
}
}
return $xt
}
proc notecrossings {id lo hi corner} {
global olddisplist crossings cornercrossings
for {set i $lo} {[incr i] < $hi} {} {
set p [lindex $olddisplist $i]
if {$p == {}} continue
if {$i == $corner} {
if {![info exists cornercrossings($id)]
|| [lsearch -exact $cornercrossings($id) $p] < 0} {
lappend cornercrossings($id) $p
}
if {![info exists cornercrossings($p)]
|| [lsearch -exact $cornercrossings($p) $id] < 0} {
lappend cornercrossings($p) $id
}
} else {
if {![info exists crossings($id)]
|| [lsearch -exact $crossings($id) $p] < 0} {
lappend crossings($id) $p
}
if {![info exists crossings($p)]
|| [lsearch -exact $crossings($p) $id] < 0} {
lappend crossings($p) $id
}
}
}
}
proc xcoord {i level ln} {
global canvx0 xspc1 xspc2
set x [expr {$canvx0 + $i * $xspc1($ln)}]
if {$i > 0 && $i == $level} {
set x [expr {$x + 0.5 * ($xspc2 - $xspc1($ln))}]
} elseif {$i > $level} {
set x [expr {$x + $xspc2 - $xspc1($ln)}]
}
return $x
}
# it seems Tk can't draw arrows on the end of diagonal line segments...
proc trimdiagend {line} {
while {[llength $line] > 4} {
set x1 [lindex $line end-3]
set y1 [lindex $line end-2]
set x2 [lindex $line end-1]
set y2 [lindex $line end]
if {($x1 == $x2) != ($y1 == $y2)} break