Git fork
1# git-gui revision chooser
2# Copyright (C) 2006, 2007 Shawn Pearce
3
4class choose_rev {
5
6image create photo ::choose_rev::img_find -data {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}
7
8field w ; # our megawidget path
9field w_list ; # list of currently filtered specs
10field w_filter ; # filter entry for $w_list
11
12field c_expr {}; # current revision expression
13field filter ""; # current filter string
14field revtype head; # type of revision chosen
15field cur_specs [list]; # list of specs for $revtype
16field spec_head ; # list of all head specs
17field spec_trck ; # list of all tracking branch specs
18field spec_tag ; # list of all tag specs
19field tip_data ; # array of tip commit info by refname
20field log_last ; # array of reflog date by refname
21
22field tooltip_wm {} ; # Current tooltip toplevel, if open
23field tooltip_t {} ; # Text widget in $tooltip_wm
24field tooltip_timer {} ; # Current timer event for our tooltip
25
26proc new {path {title {}}} {
27 return [_new $path 0 $title]
28}
29
30proc new_unmerged {path {title {}}} {
31 return [_new $path 1 $title]
32}
33
34constructor _new {path unmerged_only title} {
35 global current_branch is_detached
36
37 if {![info exists ::all_remotes]} {
38 load_all_remotes
39 }
40
41 set w $path
42
43 if {$title ne {}} {
44 ttk::labelframe $w -text $title
45 } else {
46 ttk::frame $w
47 }
48 bind $w <Destroy> [cb _delete %W]
49
50 if {$is_detached} {
51 ttk::radiobutton $w.detachedhead_r \
52 -text [mc "This Detached Checkout"] \
53 -value HEAD \
54 -variable @revtype
55 grid $w.detachedhead_r -sticky we -padx {0 5} -columnspan 2
56 }
57
58 ttk::radiobutton $w.expr_r \
59 -text [mc "Revision Expression:"] \
60 -value expr \
61 -variable @revtype
62 ttk::entry $w.expr_t \
63 -width 50 \
64 -textvariable @c_expr \
65 -validate key \
66 -validatecommand [cb _validate %d %S]
67 grid $w.expr_r $w.expr_t -sticky we -padx {0 5}
68
69 ttk::frame $w.types
70 ttk::radiobutton $w.types.head_r \
71 -text [mc "Local Branch"] \
72 -value head \
73 -variable @revtype
74 pack $w.types.head_r -side left
75 ttk::radiobutton $w.types.trck_r \
76 -text [mc "Tracking Branch"] \
77 -value trck \
78 -variable @revtype
79 pack $w.types.trck_r -side left
80 ttk::radiobutton $w.types.tag_r \
81 -text [mc "Tag"] \
82 -value tag \
83 -variable @revtype
84 pack $w.types.tag_r -side left
85 set w_filter $w.types.filter
86 ttk::entry $w_filter \
87 -width 12 \
88 -textvariable @filter \
89 -validate key \
90 -validatecommand [cb _filter %P]
91 pack $w_filter -side right
92 pack [ttk::label $w.types.filter_icon \
93 -image ::choose_rev::img_find \
94 ] -side right
95 grid $w.types -sticky we -padx {0 5} -columnspan 2
96
97 ttk::frame $w.list -style SListbox.TFrame -padding 2
98 set w_list $w.list.l
99 listbox $w_list \
100 -font font_diff \
101 -width 50 \
102 -height 10 \
103 -selectmode browse \
104 -exportselection false \
105 -xscrollcommand [cb _sb_set $w.list.sbx h] \
106 -yscrollcommand [cb _sb_set $w.list.sby v]
107 $w_list configure -relief flat -highlightthickness 0 -borderwidth 0
108 pack $w_list -fill both -expand 1
109 grid $w.list -sticky nswe -padx {20 5} -columnspan 2
110 bind $w_list <Any-Motion> [cb _show_tooltip @%x,%y]
111 bind $w_list <Any-Enter> [cb _hide_tooltip]
112 bind $w_list <Any-Leave> [cb _hide_tooltip]
113 bind $w_list <Destroy> [cb _hide_tooltip]
114
115 grid columnconfigure $w 1 -weight 1
116 if {$is_detached} {
117 grid rowconfigure $w 3 -weight 1
118 } else {
119 grid rowconfigure $w 2 -weight 1
120 }
121
122 trace add variable @revtype write [cb _select]
123 bind $w_filter <Key-Return> [list focus $w_list]\;break
124 bind $w_filter <Key-Down> [list focus $w_list]
125
126 set fmt list
127 append fmt { %(refname)}
128 append fmt { [list}
129 append fmt { %(objecttype)}
130 append fmt { %(objectname)}
131 append fmt { [concat %(taggername) %(authorname)]}
132 append fmt { [reformat_date [concat %(taggerdate) %(authordate)]]}
133 append fmt { %(subject)}
134 append fmt {] [list}
135 append fmt { %(*objecttype)}
136 append fmt { %(*objectname)}
137 append fmt { %(*authorname)}
138 append fmt { [reformat_date %(*authordate)]}
139 append fmt { %(*subject)}
140 append fmt {]}
141 set all_refn [list]
142 set fr_fd [git_read [list for-each-ref \
143 --tcl \
144 --sort=-taggerdate \
145 --format=$fmt \
146 refs/heads \
147 refs/remotes \
148 refs/tags \
149 ]]
150 fconfigure $fr_fd -encoding utf-8
151 while {[gets $fr_fd line] > 0} {
152 set line [eval $line]
153 if {[lindex $line 1 0] eq {tag}} {
154 if {[lindex $line 2 0] eq {commit}} {
155 set sha1 [lindex $line 2 1]
156 } else {
157 continue
158 }
159 } elseif {[lindex $line 1 0] eq {commit}} {
160 set sha1 [lindex $line 1 1]
161 } else {
162 continue
163 }
164 set refn [lindex $line 0]
165 set tip_data($refn) [lrange $line 1 end]
166 lappend cmt_refn($sha1) $refn
167 lappend all_refn $refn
168 }
169 close $fr_fd
170
171 if {$unmerged_only} {
172 set fr_fd [git_read [list rev-list --all ^$::HEAD]]
173 while {[gets $fr_fd sha1] > 0} {
174 if {[catch {set rlst $cmt_refn($sha1)}]} continue
175 foreach refn $rlst {
176 set inc($refn) 1
177 }
178 }
179 close $fr_fd
180 } else {
181 foreach refn $all_refn {
182 set inc($refn) 1
183 }
184 }
185
186 set spec_head [list]
187 foreach name [load_all_heads] {
188 set refn refs/heads/$name
189 if {[info exists inc($refn)]} {
190 lappend spec_head [list $name $refn]
191 }
192 }
193
194 set spec_trck [list]
195 foreach spec [all_tracking_branches] {
196 set refn [lindex $spec 0]
197 if {[info exists inc($refn)]} {
198 regsub ^refs/(heads|remotes)/ $refn {} name
199 lappend spec_trck [concat $name $spec]
200 }
201 }
202
203 set spec_tag [list]
204 foreach name [load_all_tags] {
205 set refn refs/tags/$name
206 if {[info exists inc($refn)]} {
207 lappend spec_tag [list $name $refn]
208 }
209 }
210
211 if {$is_detached} { set revtype HEAD
212 } elseif {[llength $spec_head] > 0} { set revtype head
213 } elseif {[llength $spec_trck] > 0} { set revtype trck
214 } elseif {[llength $spec_tag ] > 0} { set revtype tag
215 } else { set revtype expr
216 }
217
218 if {$revtype eq {head} && $current_branch ne {}} {
219 set i 0
220 foreach spec $spec_head {
221 if {[lindex $spec 0] eq $current_branch} {
222 $w_list selection clear 0 end
223 $w_list selection set $i
224 break
225 }
226 incr i
227 }
228 }
229
230 return $this
231}
232
233method none {text} {
234 if {![winfo exists $w.none_r]} {
235 ttk::radiobutton $w.none_r \
236 -value none \
237 -variable @revtype
238 grid $w.none_r -sticky we -padx {0 5} -columnspan 2
239 }
240 $w.none_r configure -text $text
241}
242
243method get {} {
244 switch -- $revtype {
245 head -
246 trck -
247 tag {
248 set i [$w_list curselection]
249 if {$i ne {}} {
250 return [lindex $cur_specs $i 0]
251 } else {
252 return {}
253 }
254 }
255
256 HEAD { return HEAD }
257 expr { return $c_expr }
258 none { return {} }
259 default { error "unknown type of revision" }
260 }
261}
262
263method pick_tracking_branch {} {
264 set revtype trck
265}
266
267method focus_filter {} {
268 if {[$w_filter cget -state] eq {normal}} {
269 focus $w_filter
270 }
271}
272
273method bind_listbox {event script} {
274 bind $w_list $event $script
275}
276
277method get_local_branch {} {
278 if {$revtype eq {head}} {
279 return [_expr $this]
280 } else {
281 return {}
282 }
283}
284
285method get_tracking_branch {} {
286 set i [$w_list curselection]
287 if {$i eq {} || $revtype ne {trck}} {
288 return {}
289 }
290 return [lrange [lindex $cur_specs $i] 1 end]
291}
292
293method get_commit {} {
294 set e [_expr $this]
295 if {$e eq {}} {
296 return {}
297 }
298 return [git rev-parse --verify "$e^0"]
299}
300
301method commit_or_die {} {
302 if {[catch {set new [get_commit $this]} err]} {
303
304 # Cleanup the not-so-friendly error from rev-parse.
305 #
306 regsub {^fatal:\s*} $err {} err
307 if {$err eq {Needed a single revision}} {
308 set err {}
309 }
310
311 set top [winfo toplevel $w]
312 set msg [strcat [mc "Invalid revision: %s" [get $this]] "\n\n$err"]
313 tk_messageBox \
314 -icon error \
315 -type ok \
316 -title [wm title $top] \
317 -parent $top \
318 -message $msg
319 error $msg
320 }
321 return $new
322}
323
324method _expr {} {
325 switch -- $revtype {
326 head -
327 trck -
328 tag {
329 set i [$w_list curselection]
330 if {$i ne {}} {
331 return [lindex $cur_specs $i 1]
332 } else {
333 error [mc "No revision selected."]
334 }
335 }
336
337 expr {
338 if {$c_expr ne {}} {
339 return $c_expr
340 } else {
341 error [mc "Revision expression is empty."]
342 }
343 }
344 HEAD { return HEAD }
345 none { return {} }
346 default { error "unknown type of revision" }
347 }
348}
349
350method _validate {d S} {
351 if {$d == 1} {
352 if {[regexp {\s} $S]} {
353 return 0
354 }
355 if {[string length $S] > 0} {
356 set revtype expr
357 }
358 }
359 return 1
360}
361
362method _filter {P} {
363 if {[regexp {\s} $P]} {
364 return 0
365 }
366 _rebuild $this $P
367 return 1
368}
369
370method _select {args} {
371 _rebuild $this $filter
372 focus_filter $this
373}
374
375method _rebuild {pat} {
376 set ste normal
377 switch -- $revtype {
378 head { set new $spec_head }
379 trck { set new $spec_trck }
380 tag { set new $spec_tag }
381 expr -
382 HEAD -
383 none {
384 set new [list]
385 set ste disabled
386 }
387 }
388
389 if {[$w_list cget -state] eq {disabled}} {
390 $w_list configure -state normal
391 }
392 $w_list delete 0 end
393
394 if {$pat ne {}} {
395 set pat *${pat}*
396 }
397 set cur_specs [list]
398 foreach spec $new {
399 set txt [lindex $spec 0]
400 if {$pat eq {} || [string match $pat $txt]} {
401 lappend cur_specs $spec
402 $w_list insert end $txt
403 }
404 }
405 if {$cur_specs ne {}} {
406 $w_list selection clear 0 end
407 $w_list selection set 0
408 }
409
410 if {[$w_filter cget -state] ne $ste} {
411 $w_list configure -state $ste
412 $w_filter configure -state $ste
413 }
414}
415
416method _delete {current} {
417 if {$current eq $w} {
418 delete_this
419 }
420}
421
422method _sb_set {sb orient first last} {
423 set old_focus [focus -lastfor $w]
424
425 if {$first == 0 && $last == 1} {
426 if {[winfo exists $sb]} {
427 destroy $sb
428 if {$old_focus ne {}} {
429 update
430 focus $old_focus
431 }
432 }
433 return
434 }
435
436 if {![winfo exists $sb]} {
437 if {$orient eq {h}} {
438 ttk::scrollbar $sb -orient h -command [list $w_list xview]
439 pack $sb -fill x -side bottom -before $w_list
440 } else {
441 ttk::scrollbar $sb -orient v -command [list $w_list yview]
442 pack $sb -fill y -side right -before $w_list
443 }
444 if {$old_focus ne {}} {
445 update
446 focus $old_focus
447 }
448 }
449
450 catch {$sb set $first $last}
451}
452
453method _show_tooltip {pos} {
454 if {$tooltip_wm ne {}} {
455 _open_tooltip $this
456 } elseif {$tooltip_timer eq {}} {
457 set tooltip_timer [after 1000 [cb _open_tooltip]]
458 }
459}
460
461method _open_tooltip {} {
462 global remote_url
463
464 set tooltip_timer {}
465 set pos_x [winfo pointerx $w_list]
466 set pos_y [winfo pointery $w_list]
467 if {[winfo containing $pos_x $pos_y] ne $w_list} {
468 _hide_tooltip $this
469 return
470 }
471
472 set pos @[join [list \
473 [expr {$pos_x - [winfo rootx $w_list]}] \
474 [expr {$pos_y - [winfo rooty $w_list]}]] ,]
475 set lno [$w_list index $pos]
476 if {$lno eq {}} {
477 _hide_tooltip $this
478 return
479 }
480
481 set spec [lindex $cur_specs $lno]
482 set refn [lindex $spec 1]
483 if {$refn eq {}} {
484 _hide_tooltip $this
485 return
486 }
487
488 if {$tooltip_wm eq {}} {
489 set tooltip_wm [toplevel $w_list.tooltip -borderwidth 1]
490 catch {wm attributes $tooltip_wm -type tooltip}
491 wm overrideredirect $tooltip_wm 1
492 wm transient $tooltip_wm [winfo toplevel $w_list]
493 set tooltip_t $tooltip_wm.label
494 text $tooltip_t \
495 -takefocus 0 \
496 -highlightthickness 0 \
497 -relief flat \
498 -borderwidth 0 \
499 -wrap none \
500 -background lightyellow \
501 -foreground black
502 $tooltip_t tag conf section_header -font font_uibold
503 bind $tooltip_wm <Escape> [cb _hide_tooltip]
504 pack $tooltip_t
505 } else {
506 $tooltip_t conf -state normal
507 $tooltip_t delete 0.0 end
508 }
509
510 set data $tip_data($refn)
511 if {[lindex $data 0 0] eq {tag}} {
512 set tag [lindex $data 0]
513 if {[lindex $data 1 0] eq {commit}} {
514 set cmit [lindex $data 1]
515 } else {
516 set cmit {}
517 }
518 } elseif {[lindex $data 0 0] eq {commit}} {
519 set tag {}
520 set cmit [lindex $data 0]
521 }
522
523 $tooltip_t insert end [lindex $spec 0]
524 set last [_reflog_last $this [lindex $spec 1]]
525 if {$last ne {}} {
526 $tooltip_t insert end "\n"
527 $tooltip_t insert end [mc "Updated"]
528 $tooltip_t insert end " $last"
529 }
530 $tooltip_t insert end "\n"
531
532 if {$tag ne {}} {
533 $tooltip_t insert end "\n"
534 $tooltip_t insert end [mc "Tag"] section_header
535 $tooltip_t insert end " [lindex $tag 1]\n"
536 $tooltip_t insert end [lindex $tag 2]
537 $tooltip_t insert end " ([lindex $tag 3])\n"
538 $tooltip_t insert end [lindex $tag 4]
539 $tooltip_t insert end "\n"
540 }
541
542 if {$cmit ne {}} {
543 $tooltip_t insert end "\n"
544 $tooltip_t insert end [mc "Commit@@noun"] section_header
545 $tooltip_t insert end " [lindex $cmit 1]\n"
546 $tooltip_t insert end [lindex $cmit 2]
547 $tooltip_t insert end " ([lindex $cmit 3])\n"
548 $tooltip_t insert end [lindex $cmit 4]
549 }
550
551 if {[llength $spec] > 2} {
552 $tooltip_t insert end "\n"
553 $tooltip_t insert end [mc "Remote"] section_header
554 $tooltip_t insert end " [lindex $spec 2]\n"
555 $tooltip_t insert end [mc "URL"]
556 $tooltip_t insert end " $remote_url([lindex $spec 2])\n"
557 $tooltip_t insert end [mc "Branch"]
558 $tooltip_t insert end " [lindex $spec 3]"
559 }
560
561 $tooltip_t conf -state disabled
562 _position_tooltip $this
563}
564
565method _reflog_last {name} {
566 if {[info exists reflog_last($name)]} {
567 return reflog_last($name)
568 }
569
570 set last {}
571 if {[catch {set last [file mtime [gitdir $name]]}]
572 && ![catch {set g [safe_open_file [gitdir logs $name] r]}]} {
573 fconfigure $g -encoding iso8859-1
574 while {[gets $g line] >= 0} {
575 if {[regexp {> ([1-9][0-9]*) } $line line when]} {
576 set last $when
577 }
578 }
579 close $g
580 }
581
582 if {$last ne {}} {
583 set last [format_date $last]
584 }
585 set reflog_last($name) $last
586 return $last
587}
588
589method _position_tooltip {} {
590 set max_h [lindex [split [$tooltip_t index end] .] 0]
591 set max_w 0
592 for {set i 1} {$i <= $max_h} {incr i} {
593 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
594 if {$c > $max_w} {set max_w $c}
595 }
596 $tooltip_t conf -width $max_w -height $max_h
597
598 set req_w [winfo reqwidth $tooltip_t]
599 set req_h [winfo reqheight $tooltip_t]
600 set pos_x [expr {[winfo pointerx .] + 5}]
601 set pos_y [expr {[winfo pointery .] + 10}]
602
603 set g "${req_w}x${req_h}"
604 if {[tk windowingsystem] eq "win32" || $pos_x >= 0} {append g +}
605 append g $pos_x
606 if {[tk windowingsystem] eq "win32" || $pos_y >= 0} {append g +}
607 append g $pos_y
608
609 wm geometry $tooltip_wm $g
610 raise $tooltip_wm
611}
612
613method _hide_tooltip {} {
614 if {$tooltip_wm ne {}} {
615 destroy $tooltip_wm
616 set tooltip_wm {}
617 }
618 if {$tooltip_timer ne {}} {
619 after cancel $tooltip_timer
620 set tooltip_timer {}
621 }
622}
623
624}