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-rw-r--r--git-gui/lib/browser.tcl316
1 files changed, 316 insertions, 0 deletions
diff --git a/git-gui/lib/browser.tcl b/git-gui/lib/browser.tcl
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+++ b/git-gui/lib/browser.tcl
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+# git-gui tree browser
+# Copyright (C) 2006, 2007 Shawn Pearce
+
+class browser {
+
+image create photo ::browser::img_parent -data {R0lGODlhEAAQAIUAAPwCBBxSHBxOHMTSzNzu3KzCtBRGHCSKFIzCjLzSxBQ2FAxGHDzCLCyeHBQ+FHSmfAwuFBxKLDSCNMzizISyjJzOnDSyLAw+FAQSDAQeDBxWJAwmDAQOBKzWrDymNAQaDAQODAwaDDyKTFSyXFTGTEy6TAQCBAQKDAwiFBQyHAwSFAwmHAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAAAALAAAAAAQABAAAAZ1QIBwSCwaj0hiQCBICpcDQsFgGAaIguhhi0gohIsrQEDYMhiNrRfgeAQC5fMCAolIDhD2hFI5WC4YRBkaBxsOE2l/RxsHHA4dHmkfRyAbIQ4iIyQlB5NFGCAACiakpSZEJyinTgAcKSesACorgU4mJ6uxR35BACH+aENyZWF0ZWQgYnkgQk1QVG9HSUYgUHJvIHZlcnNpb24gMi41DQqpIERldmVsQ29yIDE5OTcsMTk5OC4gQWxsIHJpZ2h0cyByZXNlcnZlZC4NCmh0dHA6Ly93d3cuZGV2ZWxjb3IuY29tADs=}
+image create photo ::browser::img_rblob -data {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}
+image create photo ::browser::img_xblob -data {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}
+image create photo ::browser::img_tree -data {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}
+image create photo ::browser::img_symlink -data {R0lGODlhEAAQAIQAAPwCBCwqLLSytLy+vERGRFRWVDQ2NKSmpAQCBKyurMTGxISChJyanHR2dIyKjGxubHRydGRmZIyOjFxeXHx6fAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAAAALAAAAAAQABAAAAVbICACwWieY1CibCCsrBkMb0zchSEcNYskCtqBBzshFkOGQFk0IRqOxqPBODRHCMhCQKteRc9FI/KQWGOIyFYgkDC+gPR4snCcfRGKOIKIgSMQE31+f4OEYCZ+IQAh/mhDcmVhdGVkIGJ5IEJNUFRvR0lGIFBybyB2ZXJzaW9uIDIuNQ0KqSBEZXZlbENvciAxOTk3LDE5OTguIEFsbCByaWdodHMgcmVzZXJ2ZWQuDQpodHRwOi8vd3d3LmRldmVsY29yLmNvbQA7}
+image create photo ::browser::img_unknown -data {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}
+
+field w
+field browser_commit
+field browser_path
+field browser_files {}
+field browser_status [mc "Starting..."]
+field browser_stack {}
+field browser_busy 1
+
+field ls_buf {}; # Buffered record output from ls-tree
+
+constructor new {commit {path {}}} {
+ global cursor_ptr M1B use_ttk NS
+ make_dialog top w
+ wm withdraw $top
+ wm title $top [append "[appname] ([reponame]): " [mc "File Browser"]]
+
+ set browser_commit $commit
+ set browser_path $browser_commit:$path
+
+ ${NS}::label $w.path \
+ -textvariable @browser_path \
+ -anchor w \
+ -justify left \
+ -font font_uibold
+ if {!$use_ttk} { $w.path configure -borderwidth 1 -relief sunken}
+ pack $w.path -anchor w -side top -fill x
+
+ ${NS}::frame $w.list
+ set w_list $w.list.l
+ text $w_list -background white -foreground black \
+ -borderwidth 0 \
+ -cursor $cursor_ptr \
+ -state disabled \
+ -wrap none \
+ -height 20 \
+ -width 70 \
+ -xscrollcommand [list $w.list.sbx set] \
+ -yscrollcommand [list $w.list.sby set]
+ rmsel_tag $w_list
+ ${NS}::scrollbar $w.list.sbx -orient h -command [list $w_list xview]
+ ${NS}::scrollbar $w.list.sby -orient v -command [list $w_list yview]
+ pack $w.list.sbx -side bottom -fill x
+ pack $w.list.sby -side right -fill y
+ pack $w_list -side left -fill both -expand 1
+ pack $w.list -side top -fill both -expand 1
+
+ ${NS}::label $w.status \
+ -textvariable @browser_status \
+ -anchor w \
+ -justify left
+ if {!$use_ttk} { $w.status configure -borderwidth 1 -relief sunken}
+ pack $w.status -anchor w -side bottom -fill x
+
+ bind $w_list <Button-1> "[cb _click 0 @%x,%y];break"
+ bind $w_list <Double-Button-1> "[cb _click 1 @%x,%y];break"
+ bind $w_list <$M1B-Up> "[cb _parent] ;break"
+ bind $w_list <$M1B-Left> "[cb _parent] ;break"
+ bind $w_list <Up> "[cb _move -1] ;break"
+ bind $w_list <Down> "[cb _move 1] ;break"
+ bind $w_list <$M1B-Right> "[cb _enter] ;break"
+ bind $w_list <Return> "[cb _enter] ;break"
+ bind $w_list <Prior> "[cb _page -1] ;break"
+ bind $w_list <Next> "[cb _page 1] ;break"
+ bind $w_list <Left> break
+ bind $w_list <Right> break
+
+ bind $w_list <Visibility> [list focus $w_list]
+ wm deiconify $top
+ set w $w_list
+ if {$path ne {}} {
+ _ls $this $browser_commit:$path $path
+ } else {
+ _ls $this $browser_commit $path
+ }
+ return $this
+}
+
+method _move {dir} {
+ if {$browser_busy} return
+ set lno [lindex [split [$w index in_sel.first] .] 0]
+ incr lno $dir
+ if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
+ $w tag remove in_sel 0.0 end
+ $w tag add in_sel $lno.0 [expr {$lno + 1}].0
+ $w see $lno.0
+ }
+}
+
+method _page {dir} {
+ if {$browser_busy} return
+ $w yview scroll $dir pages
+ set lno [expr {int(
+ [lindex [$w yview] 0]
+ * [llength $browser_files]
+ + 1)}]
+ if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
+ $w tag remove in_sel 0.0 end
+ $w tag add in_sel $lno.0 [expr {$lno + 1}].0
+ $w see $lno.0
+ }
+}
+
+method _parent {} {
+ if {$browser_busy} return
+ set info [lindex $browser_files 0]
+ if {[lindex $info 0] eq {parent}} {
+ set parent [lindex $browser_stack end-1]
+ set browser_stack [lrange $browser_stack 0 end-2]
+ if {$browser_stack eq {}} {
+ regsub {:.*$} $browser_path {:} browser_path
+ } else {
+ regsub {/[^/]+$} $browser_path {} browser_path
+ }
+ set browser_status [mc "Loading %s..." $browser_path]
+ _ls $this [lindex $parent 0] [lindex $parent 1]
+ }
+}
+
+method _enter {} {
+ if {$browser_busy} return
+ set lno [lindex [split [$w index in_sel.first] .] 0]
+ set info [lindex $browser_files [expr {$lno - 1}]]
+ if {$info ne {}} {
+ switch -- [lindex $info 0] {
+ parent {
+ _parent $this
+ }
+ tree {
+ set name [lindex $info 2]
+ set escn [escape_path $name]
+ set browser_status [mc "Loading %s..." $escn]
+ append browser_path $escn
+ _ls $this [lindex $info 1] $name
+ }
+ blob {
+ set name [lindex $info 2]
+ set p {}
+ foreach n $browser_stack {
+ append p [lindex $n 1]
+ }
+ append p $name
+ blame::new $browser_commit $p {}
+ }
+ }
+ }
+}
+
+method _click {was_double_click pos} {
+ if {$browser_busy} return
+ set lno [lindex [split [$w index $pos] .] 0]
+ focus $w
+
+ if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
+ $w tag remove in_sel 0.0 end
+ $w tag add in_sel $lno.0 [expr {$lno + 1}].0
+ if {$was_double_click} {
+ _enter $this
+ }
+ }
+}
+
+method _ls {tree_id {name {}}} {
+ set ls_buf {}
+ set browser_files {}
+ set browser_busy 1
+
+ $w conf -state normal
+ $w tag remove in_sel 0.0 end
+ $w delete 0.0 end
+ if {$browser_stack ne {}} {
+ $w image create end \
+ -align center -padx 5 -pady 1 \
+ -name icon0 \
+ -image ::browser::img_parent
+ $w insert end [mc "\[Up To Parent\]"]
+ lappend browser_files parent
+ }
+ lappend browser_stack [list $tree_id $name]
+ $w conf -state disabled
+
+ set fd [git_read ls-tree -z $tree_id]
+ fconfigure $fd -blocking 0 -translation binary -encoding binary
+ fileevent $fd readable [cb _read $fd]
+}
+
+method _read {fd} {
+ append ls_buf [read $fd]
+ set pck [split $ls_buf "\0"]
+ set ls_buf [lindex $pck end]
+
+ set n [llength $browser_files]
+ $w conf -state normal
+ foreach p [lrange $pck 0 end-1] {
+ set tab [string first "\t" $p]
+ if {$tab == -1} continue
+
+ set info [split [string range $p 0 [expr {$tab - 1}]] { }]
+ set path [string range $p [expr {$tab + 1}] end]
+ set type [lindex $info 1]
+ set object [lindex $info 2]
+
+ switch -- $type {
+ blob {
+ scan [lindex $info 0] %o mode
+ if {$mode == 0120000} {
+ set image ::browser::img_symlink
+ } elseif {($mode & 0100) != 0} {
+ set image ::browser::img_xblob
+ } else {
+ set image ::browser::img_rblob
+ }
+ }
+ tree {
+ set image ::browser::img_tree
+ append path /
+ }
+ default {
+ set image ::browser::img_unknown
+ }
+ }
+
+ if {$n > 0} {$w insert end "\n"}
+ $w image create end \
+ -align center -padx 5 -pady 1 \
+ -name icon[incr n] \
+ -image $image
+ $w insert end [escape_path $path]
+ lappend browser_files [list $type $object $path]
+ }
+ $w conf -state disabled
+
+ if {[eof $fd]} {
+ close $fd
+ set browser_status [mc "Ready."]
+ set browser_busy 0
+ set ls_buf {}
+ if {$n > 0} {
+ $w tag add in_sel 1.0 2.0
+ focus -force $w
+ }
+ }
+} ifdeleted {
+ catch {close $fd}
+}
+
+}
+
+class browser_open {
+
+field w ; # widget path
+field w_rev ; # mega-widget to pick the initial revision
+
+constructor dialog {} {
+ global use_ttk NS
+ make_dialog top w
+ wm withdraw $top
+ wm title $top [append "[appname] ([reponame]): " [mc "Browse Branch Files"]]
+ if {$top ne {.}} {
+ wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
+ wm transient $top .
+ }
+
+ ${NS}::label $w.header \
+ -text [mc "Browse Branch Files"] \
+ -font font_uibold \
+ -anchor center
+ pack $w.header -side top -fill x
+
+ ${NS}::frame $w.buttons
+ ${NS}::button $w.buttons.browse -text [mc Browse] \
+ -default active \
+ -command [cb _open]
+ pack $w.buttons.browse -side right
+ ${NS}::button $w.buttons.cancel -text [mc Cancel] \
+ -command [list destroy $w]
+ pack $w.buttons.cancel -side right -padx 5
+ pack $w.buttons -side bottom -fill x -pady 10 -padx 10
+
+ set w_rev [::choose_rev::new $w.rev [mc Revision]]
+ $w_rev bind_listbox <Double-Button-1> [cb _open]
+ pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
+
+ bind $w <Visibility> [cb _visible]
+ bind $w <Key-Escape> [list destroy $w]
+ bind $w <Key-Return> [cb _open]\;break
+ wm deiconify $top
+ tkwait window $w
+}
+
+method _open {} {
+ if {[catch {$w_rev commit_or_die} err]} {
+ return
+ }
+ set name [$w_rev get]
+ destroy $w
+ browser::new $name
+}
+
+method _visible {} {
+ grab $w
+ $w_rev focus_filter
+}
+
+}