# git-gui tree browser
# Copyright (C) 2006, 2007 Shawn Pearce
class browser {
image create photo ::browser::img_parent -data {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}
image create photo ::browser::img_rblob -data {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}
image create photo ::browser::img_xblob -data {R0lGODlhEAAQAIYAAPwCBFRWVFxaXNza3OTi3Nze3Ly2tJyanPz+/Ozq7GxubNzSxMzOzMTGxHRybDQyNLy+vHRydHx6fKSipISChIyKjGxqbERCRCwuLLy6vGRiZExKTCQiJAwKDLSytLy2rJSSlHx+fDw6PKyqrBQWFPTu5Ozm3LyulLS2tCQmJAQCBPTq3Ozi1MSynCwqLAQGBOTazOzizOzezLyqjBweHNzSvOzaxKyurHRuZNzOtLymhDw+PIyCdOzWvOTOpLyidNzKtOTStLyifMTCtMS+rLyedAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAAAALAAAAAAQABAAAAfZgACCAAEChYeGg4oCAwQFjgYBBwGKggEECJkICQoIkwADCwwNDY2mDA4Lng8QDhESsLARExQVDhYXGBkWExIaGw8cHR4SCQQfFQ8eFgUgIQEiwiMSBMYfGB4atwEXDyQd0wQlJicPKAHoFyIpJCoeDgMrLC0YKBsX6i4kL+4OMDEyZijr5oLGNxUqUCioEcPGDAwjPNyI6MEDChQjcOSwsUDHgw07RIgI4KCkAgs8cvTw8eOBogAxQtXIASTISiEuBwUYMoRIixYnZggpUgTDywdIkWJIitRPIAAh/mhDcmVhdGVkIGJ5IEJNUFRvR0lGIFBybyB2ZXJzaW9uIDIuNQ0KqSBEZXZlbENvciAxOTk3LDE5OTguIEFsbCByaWdodHMgcmVzZXJ2ZWQuDQpodHRwOi8vd3d3LmRldmVsY29yLmNvbQA7}
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 $top [mc "%s (%s): File Browser" [appname] [reponame]]
if {$path ne {}} {
if {[string index $path end] ne {/}} {
append path /
}
}
set browser_commit $commit
set browser_path "$browser_commit:[escape_path $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 utf-8
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 $top [mc "%s (%s): Browse Branch Files" [appname] [reponame]]
if {$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
}
}
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