Git 2.22-rc1
[git/raj.git] / git-gui / lib / browser.tcl
bloba98298366763d841d3f88e4478f0afdc6e9a5653
1 # git-gui tree browser
2 # Copyright (C) 2006, 2007 Shawn Pearce
4 class browser {
6 image create photo ::browser::img_parent -data {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}
7 image create photo ::browser::img_rblob -data {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}
8 image create photo ::browser::img_xblob -data {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}
9 image create photo ::browser::img_tree -data {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}
10 image create photo ::browser::img_symlink -data {R0lGODlhEAAQAIQAAPwCBCwqLLSytLy+vERGRFRWVDQ2NKSmpAQCBKyurMTGxISChJyanHR2dIyKjGxubHRydGRmZIyOjFxeXHx6fAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAAAALAAAAAAQABAAAAVbICACwWieY1CibCCsrBkMb0zchSEcNYskCtqBBzshFkOGQFk0IRqOxqPBODRHCMhCQKteRc9FI/KQWGOIyFYgkDC+gPR4snCcfRGKOIKIgSMQE31+f4OEYCZ+IQAh/mhDcmVhdGVkIGJ5IEJNUFRvR0lGIFBybyB2ZXJzaW9uIDIuNQ0KqSBEZXZlbENvciAxOTk3LDE5OTguIEFsbCByaWdodHMgcmVzZXJ2ZWQuDQpodHRwOi8vd3d3LmRldmVsY29yLmNvbQA7}
11 image create photo ::browser::img_unknown -data {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}
13 field w
14 field browser_commit
15 field browser_path
16 field browser_files {}
17 field browser_status [mc "Starting..."]
18 field browser_stack {}
19 field browser_busy 1
21 field ls_buf {}; # Buffered record output from ls-tree
23 constructor new {commit {path {}}} {
24 global cursor_ptr M1B use_ttk NS
25 make_dialog top w
26 wm withdraw $top
27 wm title $top [mc "%s (%s): File Browser" [appname] [reponame]]
29 if {$path ne {}} {
30 if {[string index $path end] ne {/}} {
31 append path /
35 set browser_commit $commit
36 set browser_path "$browser_commit:[escape_path $path]"
38 ${NS}::label $w.path \
39 -textvariable @browser_path \
40 -anchor w \
41 -justify left \
42 -font font_uibold
43 if {!$use_ttk} { $w.path configure -borderwidth 1 -relief sunken}
44 pack $w.path -anchor w -side top -fill x
46 ${NS}::frame $w.list
47 set w_list $w.list.l
48 text $w_list -background white -foreground black \
49 -borderwidth 0 \
50 -cursor $cursor_ptr \
51 -state disabled \
52 -wrap none \
53 -height 20 \
54 -width 70 \
55 -xscrollcommand [list $w.list.sbx set] \
56 -yscrollcommand [list $w.list.sby set]
57 rmsel_tag $w_list
58 ${NS}::scrollbar $w.list.sbx -orient h -command [list $w_list xview]
59 ${NS}::scrollbar $w.list.sby -orient v -command [list $w_list yview]
60 pack $w.list.sbx -side bottom -fill x
61 pack $w.list.sby -side right -fill y
62 pack $w_list -side left -fill both -expand 1
63 pack $w.list -side top -fill both -expand 1
65 ${NS}::label $w.status \
66 -textvariable @browser_status \
67 -anchor w \
68 -justify left
69 if {!$use_ttk} { $w.status configure -borderwidth 1 -relief sunken}
70 pack $w.status -anchor w -side bottom -fill x
72 bind $w_list <Button-1> "[cb _click 0 @%x,%y];break"
73 bind $w_list <Double-Button-1> "[cb _click 1 @%x,%y];break"
74 bind $w_list <$M1B-Up> "[cb _parent] ;break"
75 bind $w_list <$M1B-Left> "[cb _parent] ;break"
76 bind $w_list <Up> "[cb _move -1] ;break"
77 bind $w_list <Down> "[cb _move 1] ;break"
78 bind $w_list <$M1B-Right> "[cb _enter] ;break"
79 bind $w_list <Return> "[cb _enter] ;break"
80 bind $w_list <Prior> "[cb _page -1] ;break"
81 bind $w_list <Next> "[cb _page 1] ;break"
82 bind $w_list <Left> break
83 bind $w_list <Right> break
85 bind $w_list <Visibility> [list focus $w_list]
86 wm deiconify $top
87 set w $w_list
88 if {$path ne {}} {
89 _ls $this $browser_commit:$path $path
90 } else {
91 _ls $this $browser_commit $path
93 return $this
96 method _move {dir} {
97 if {$browser_busy} return
98 set lno [lindex [split [$w index in_sel.first] .] 0]
99 incr lno $dir
100 if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
101 $w tag remove in_sel 0.0 end
102 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
103 $w see $lno.0
107 method _page {dir} {
108 if {$browser_busy} return
109 $w yview scroll $dir pages
110 set lno [expr {int(
111 [lindex [$w yview] 0]
112 * [llength $browser_files]
113 + 1)}]
114 if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
115 $w tag remove in_sel 0.0 end
116 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
117 $w see $lno.0
121 method _parent {} {
122 if {$browser_busy} return
123 set info [lindex $browser_files 0]
124 if {[lindex $info 0] eq {parent}} {
125 set parent [lindex $browser_stack end-1]
126 set browser_stack [lrange $browser_stack 0 end-2]
127 if {$browser_stack eq {}} {
128 regsub {:.*$} $browser_path {:} browser_path
129 } else {
130 regsub {/[^/]+/$} $browser_path {/} browser_path
132 set browser_status [mc "Loading %s..." $browser_path]
133 _ls $this [lindex $parent 0] [lindex $parent 1]
137 method _enter {} {
138 if {$browser_busy} return
139 set lno [lindex [split [$w index in_sel.first] .] 0]
140 set info [lindex $browser_files [expr {$lno - 1}]]
141 if {$info ne {}} {
142 switch -- [lindex $info 0] {
143 parent {
144 _parent $this
146 tree {
147 set name [lindex $info 2]
148 set escn [escape_path $name]
149 set browser_status [mc "Loading %s..." $escn]
150 append browser_path $escn
151 _ls $this [lindex $info 1] $name
153 blob {
154 set name [lindex $info 2]
155 set p {}
156 foreach n $browser_stack {
157 append p [lindex $n 1]
159 append p $name
160 blame::new $browser_commit $p {}
166 method _click {was_double_click pos} {
167 if {$browser_busy} return
168 set lno [lindex [split [$w index $pos] .] 0]
169 focus $w
171 if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
172 $w tag remove in_sel 0.0 end
173 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
174 if {$was_double_click} {
175 _enter $this
180 method _ls {tree_id {name {}}} {
181 set ls_buf {}
182 set browser_files {}
183 set browser_busy 1
185 $w conf -state normal
186 $w tag remove in_sel 0.0 end
187 $w delete 0.0 end
188 if {$browser_stack ne {}} {
189 $w image create end \
190 -align center -padx 5 -pady 1 \
191 -name icon0 \
192 -image ::browser::img_parent
193 $w insert end [mc "\[Up To Parent\]"]
194 lappend browser_files parent
196 lappend browser_stack [list $tree_id $name]
197 $w conf -state disabled
199 set fd [git_read ls-tree -z $tree_id]
200 fconfigure $fd -blocking 0 -translation binary -encoding utf-8
201 fileevent $fd readable [cb _read $fd]
204 method _read {fd} {
205 append ls_buf [read $fd]
206 set pck [split $ls_buf "\0"]
207 set ls_buf [lindex $pck end]
209 set n [llength $browser_files]
210 $w conf -state normal
211 foreach p [lrange $pck 0 end-1] {
212 set tab [string first "\t" $p]
213 if {$tab == -1} continue
215 set info [split [string range $p 0 [expr {$tab - 1}]] { }]
216 set path [string range $p [expr {$tab + 1}] end]
217 set type [lindex $info 1]
218 set object [lindex $info 2]
220 switch -- $type {
221 blob {
222 scan [lindex $info 0] %o mode
223 if {$mode == 0120000} {
224 set image ::browser::img_symlink
225 } elseif {($mode & 0100) != 0} {
226 set image ::browser::img_xblob
227 } else {
228 set image ::browser::img_rblob
231 tree {
232 set image ::browser::img_tree
233 append path /
235 default {
236 set image ::browser::img_unknown
240 if {$n > 0} {$w insert end "\n"}
241 $w image create end \
242 -align center -padx 5 -pady 1 \
243 -name icon[incr n] \
244 -image $image
245 $w insert end [escape_path $path]
246 lappend browser_files [list $type $object $path]
248 $w conf -state disabled
250 if {[eof $fd]} {
251 close $fd
252 set browser_status [mc "Ready."]
253 set browser_busy 0
254 set ls_buf {}
255 if {$n > 0} {
256 $w tag add in_sel 1.0 2.0
257 focus -force $w
260 } ifdeleted {
261 catch {close $fd}
266 class browser_open {
268 field w ; # widget path
269 field w_rev ; # mega-widget to pick the initial revision
271 constructor dialog {} {
272 global use_ttk NS
273 make_dialog top w
274 wm withdraw $top
275 wm title $top [mc "%s (%s): Browse Branch Files" [appname] [reponame]]
276 if {$top ne {.}} {
277 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
278 wm transient $top .
281 ${NS}::label $w.header \
282 -text [mc "Browse Branch Files"] \
283 -font font_uibold \
284 -anchor center
285 pack $w.header -side top -fill x
287 ${NS}::frame $w.buttons
288 ${NS}::button $w.buttons.browse -text [mc Browse] \
289 -default active \
290 -command [cb _open]
291 pack $w.buttons.browse -side right
292 ${NS}::button $w.buttons.cancel -text [mc Cancel] \
293 -command [list destroy $w]
294 pack $w.buttons.cancel -side right -padx 5
295 pack $w.buttons -side bottom -fill x -pady 10 -padx 10
297 set w_rev [::choose_rev::new $w.rev [mc Revision]]
298 $w_rev bind_listbox <Double-Button-1> [cb _open]
299 pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
301 bind $w <Visibility> [cb _visible]
302 bind $w <Key-Escape> [list destroy $w]
303 bind $w <Key-Return> [cb _open]\;break
304 wm deiconify $top
305 tkwait window $w
308 method _open {} {
309 if {[catch {$w_rev commit_or_die} err]} {
310 return
312 set name [$w_rev get]
313 destroy $w
314 browser::new $name
317 method _visible {} {
318 grab $w
319 $w_rev focus_filter