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273 lines
6.9 KiB
273 lines
6.9 KiB
# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
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#
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# $Id: DirList.tcl,v 1.5 2004/03/28 02:44:57 hobbs Exp $
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#
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# DirList.tcl --
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#
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# Implements the tixDirList widget.
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#
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# - overrides the -browsecmd and -command options of the
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# HList subwidget
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#
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# Copyright (c) 1993-1999 Ioi Kim Lam.
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# Copyright (c) 2000-2001 Tix Project Group.
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# Copyright (c) 2004 ActiveState
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#
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# See the file "license.terms" for information on usage and redistribution
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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#
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tixWidgetClass tixDirList {
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-classname TixDirList
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-superclass tixScrolledHList
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-method {
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chdir
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}
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-flag {
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-browsecmd -command -dircmd -disablecallback
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-root -rootname -showhidden -value
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}
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-configspec {
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{-browsecmd browseCmd BrowseCmd ""}
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{-command command Command ""}
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{-dircmd dirCmd DirCmd ""}
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{-disablecallback disableCallback DisableCallback 0 tixVerifyBoolean}
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{-root root Root ""}
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{-rootname rootName RootName ""}
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{-showhidden showHidden ShowHidden 0 tixVerifyBoolean}
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{-value value Value ""}
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}
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-default {
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{.scrollbar auto}
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{*borderWidth 1}
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{*hlist.background #c3c3c3}
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{*hlist.indent 7}
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{*hlist.relief sunken}
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{*hlist.height 10}
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{*hlist.width 20}
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{*hlist.padX 2}
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{*hlist.padY 0}
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{*hlist.wideSelection 0}
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{*hlist.drawBranch 0}
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{*hlist.highlightBackground #d9d9d9}
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{*hlist.itemType imagetext}
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{*hlist.takeFocus 1}
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}
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-forcecall {
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-value
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}
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}
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# Important data members:
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#
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# data(vpath)
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# The currently selected vpath. This internal variable is useful on
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# the Win95 platform, where an directory may correspond to more than
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# one node in the hierarchy. For example, C:\Windows\Desktop\Foo
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# can appead as "Desktop\Foo" and
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# "Desktop\My Computer\C:\Windows\Desktop\Foo". This variable tells us
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# which icon should we show given the same DOS pathname.
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#
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proc tixDirList:InitWidgetRec {w} {
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upvar #0 $w data
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tixChainMethod $w InitWidgetRec
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}
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proc tixDirList:ConstructWidget {w} {
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upvar #0 $w data
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tixChainMethod $w ConstructWidget
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$data(w:hlist) config -separator [tixFSSep] -selectmode "single"
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}
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proc tixDirList:SetBindings {w} {
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upvar #0 $w data
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tixChainMethod $w SetBindings
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$data(w:hlist) config \
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-browsecmd [list tixDirList:Browse $w] \
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-command [list tixDirList:Command $w]
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if {$data(-value) eq ""
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|| [catch {set data(-value) [tixFSNormalize $data(-value)]}]} {
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set data(-value) [pwd]
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}
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set data(vpath) [tixFSInternal $data(-value)]
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}
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#----------------------------------------------------------------------
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# Incoming-Events
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#----------------------------------------------------------------------
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proc tixDirList:Browse {w args} {
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upvar #0 $w data
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set vpath [tixEvent flag V]
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set value [$data(w:hlist) info data $vpath]
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tixDirList:HighLight $w $vpath
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set data(vpath) $vpath
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set data(-value) [tixFSExternal $value]
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tixDirList:CallBrowseCmd $w $data(-value)
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}
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proc tixDirList:Command {w args} {
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upvar #0 $w data
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set vpath [tixEvent value]
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set value [$data(w:hlist) info data $vpath]
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set data(-value) [tixFSExternal $value]
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tixDirList:LoadDir $w [tixFSNativeNorm $value] $vpath
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tixDirList:HighLight $w $vpath
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set data(vpath) $vpath
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tixDirList:CallCommand $w $data(-value)
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}
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#----------------------------------------------------------------------
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# Outgoing-Events
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#----------------------------------------------------------------------
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proc tixDirList:CallBrowseCmd {w npath} {
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upvar #0 $w data
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if {[llength $data(-browsecmd)]} {
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set bind(specs) "%V"
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set bind(%V) $npath
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tixEvalCmdBinding $w $data(-browsecmd) bind $npath
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}
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}
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proc tixDirList:CallCommand {w npath} {
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upvar #0 $w data
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if {[llength $data(-command)] && !$data(-disablecallback)} {
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set bind(specs) "%V"
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set bind(%V) $npath
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tixEvalCmdBinding $w $data(-command) bind $npath
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}
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}
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#----------------------------------------------------------------------
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# Directory loading
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#----------------------------------------------------------------------
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proc tixDirList:LoadDir {w {npath ""} {vpath ""}} {
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upvar #0 $w data
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tixBusy $w on $data(w:hlist)
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$data(w:hlist) delete all
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if {$npath eq ""} {
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set npath [tixFSNativeNorm $data(-value)]
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set vpath [tixFSInternal $npath]
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}
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tixDirList:ListHierachy $w $npath $vpath
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tixDirList:ListSubDirs $w $npath $vpath
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tixWidgetDoWhenIdle tixBusy $w off $data(w:hlist)
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}
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proc tixDirList:ListHierachy {w npath vpath} {
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upvar #0 $w data
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set img [tix getimage openfold]
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set curpath ""
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foreach part [tixFSAncestors $npath] {
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set curpath [file join $curpath $part]
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set text [tixFSDisplayFileName $curpath]
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set vpath [tixFSInternal $curpath]
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$data(w:hlist) add $vpath -text $text -data $curpath -image $img
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}
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}
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proc tixDirList:ListSubDirs {w npath vpath} {
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upvar #0 $w data
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$data(w:hlist) entryconfig $vpath -image [tix getimage act_fold]
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set img [tix getimage folder]
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foreach ent [tixFSListDir $npath 1 0 0 $data(-showhidden)] {
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set curpath [file join $npath $ent]
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set vp [tixFSInternal $curpath]
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if {![$data(w:hlist) info exists $vp]} {
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$data(w:hlist) add $vp -text $ent -data $curpath -image $img
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}
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}
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}
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proc tixDirList:SetValue {w npath vpath {flag ""}} {
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upvar #0 $w data
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if {$flag eq "reload" || ![$data(w:hlist) info exists $vpath]} {
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tixDirList:LoadDir $w $npath $vpath
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}
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tixDirList:HighLight $w $vpath
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set data(-value) [tixFSNativeNorm $npath]
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set data(vpath) $vpath
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tixDirList:CallCommand $w $data(-value)
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}
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proc tixDirList:HighLight {w vpath} {
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upvar #0 $w data
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if {$data(vpath) ne $vpath} {
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set old $data(vpath)
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if {[$data(w:hlist) info exists $old]} {
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# Un-highlight the originally selected entry by changing its
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# folder image
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if {[llength [$data(w:hlist) info children $old]]} {
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set img [tix getimage openfold]
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} else {
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set img [tix getimage folder]
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}
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$data(w:hlist) entryconfig $old -image $img
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}
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}
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# Highlight the newly selected entry
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#
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$data(w:hlist) entryconfig $vpath -image [tix getimage act_fold]
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$data(w:hlist) anchor set $vpath
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$data(w:hlist) select clear
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$data(w:hlist) select set $vpath
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$data(w:hlist) see $vpath
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}
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#----------------------------------------------------------------------
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# Config options
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#----------------------------------------------------------------------
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proc tixDirList:config-value {w value} {
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upvar #0 $w data
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tixDirList:chdir $w $value
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return $data(-value)
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}
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proc tixDirList:config-showhidden {w value} {
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upvar #0 $w data
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tixWidgetDoWhenIdle tixDirList:LoadDir $w
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}
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#----------------------------------------------------------------------
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# Public methods
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#----------------------------------------------------------------------
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proc tixDirList:chdir {w value} {
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upvar #0 $w data
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set npath [tixFSNativeNorm $value]
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tixDirList:SetValue $w $npath [tixFSInternal $npath]
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}
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