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437 lines
11 KiB
437 lines
11 KiB
# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
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#
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# $Id: EFileBox.tcl,v 1.5 2004/03/28 02:44:57 hobbs Exp $
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#
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# EFileBox.tcl --
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#
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# Implements the Extended File Selection Box widget.
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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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#
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# ToDo
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# (1) If user has entered an invalid directory, give an error dialog
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#
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tixWidgetClass tixExFileSelectBox {
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-classname TixExFileSelectBox
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-superclass tixPrimitive
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-method {
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filter invoke
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}
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-flag {
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-browsecmd -command -dialog -dir -dircmd -directory
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-disablecallback -filetypes -pattern -selection -showhidden -value
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}
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-forcecall {
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-filetypes
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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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{-dialog dialog Dialog ""}
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{-dircmd dirCmd DirCmd ""}
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{-directory directory Directory ""}
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{-disablecallback disableCallback DisableCallback 0 tixVerifyBoolean}
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{-filetypes fileTypes FileTypes ""}
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{-pattern pattern Pattern *}
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{-showhidden showHidden ShowHidden 0 tixVerifyBoolean}
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{-value value Value ""}
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}
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-alias {
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{-dir -directory}
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{-selection -value}
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}
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-default {
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{*dir.label {Directories:}}
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{*dir.editable true}
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{*dir.history true}
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{*dir*listbox.height 5}
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{*file.label Files:}
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{*file.editable true}
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{*file.history false}
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{*file*listbox.height 5}
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{*types.label {List Files of Type:}}
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{*types*listbox.height 3}
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{*TixComboBox.labelSide top}
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{*TixComboBox*Label.anchor w}
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{*dir.label.underline 0}
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{*file.label.underline 0}
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{*types.label.underline 14}
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{*TixComboBox.anchor e}
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{*TixHList.height 7}
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{*filelist*listbox.height 7}
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{*hidden.wrapLength 3c}
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{*hidden.justify left}
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}
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}
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proc tixExFileSelectBox:InitWidgetRec {w} {
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upvar #0 $w data
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global env
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tixChainMethod $w InitWidgetRec
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if {$data(-directory) eq ""} {
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set data(-directory) [pwd]
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}
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set data(oldDir) ""
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set data(flag) 0
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}
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#----------------------------------------------------------------------
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# Construct widget
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#----------------------------------------------------------------------
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proc tixExFileSelectBox:ConstructWidget {w} {
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upvar #0 $w data
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tixChainMethod $w ConstructWidget
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# listbox frame
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set lf [frame $w.lf]
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# The pane that contains the two listboxes
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#
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set pane [tixPanedWindow $lf.pane -orientation horizontal]
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set dpane [$pane add 1 -size 160]
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set fpane [$pane add 2 -size 160]
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$dpane config -relief flat
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$fpane config -relief flat
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# The File List Pane
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#
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set data(w:file) [tixComboBox $fpane.file\
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-command [list tixExFileSelectBox:Cmd-FileCombo $w]\
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-prunehistory true \
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-options {
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label.anchor w
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}]
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set data(w:filelist) \
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[tixScrolledListBox $fpane.filelist \
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-command [list tixExFileSelectBox:Cmd-FileList $w 1] \
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-browsecmd [list tixExFileSelectBox:Cmd-FileList $w 0]]
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pack $data(w:file) -padx 8 -pady 4 -side top -fill x
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pack $data(w:filelist) -padx 8 -pady 4 -side top -fill both -expand yes
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# The Directory Pane
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#
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set data(w:dir) [tixComboBox $dpane.dir \
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-command [list tixExFileSelectBox:Cmd-DirCombo $w]\
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-prunehistory true \
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-options {
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label.anchor w
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}]
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set data(w:dirlist) \
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[tixDirList $dpane.dirlist \
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-command [list tixExFileSelectBox:Cmd-DirList $w]\
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-browsecmd [list tixExFileSelectBox:Browse-DirList $w]]
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pack $data(w:dir) -padx 8 -pady 4 -side top -fill x
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pack $data(w:dirlist) -padx 8 -pady 4 -side top -fill both -expand yes
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# The file types listbox
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#
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set data(w:types) [tixComboBox $lf.types\
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-command [list tixExFileSelectBox:Cmd-TypeCombo $w]\
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-options {
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label.anchor w
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}]
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pack $data(w:types) -padx 12 -pady 4 -side bottom -fill x -anchor w
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pack $pane -side top -padx 4 -pady 4 -expand yes -fill both
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# Buttons to the right
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#
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set bf [frame $w.bf]
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set data(w:ok) [button $bf.ok -text Ok -width 6 \
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-underline 0 -command [list tixExFileSelectBox:Ok $w]]
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set data(w:cancel) [button $bf.cancel -text Cancel -width 6 \
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-underline 0 -command [list tixExFileSelectBox:Cancel $w]]
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set data(w:hidden) [checkbutton $bf.hidden -text "Show Hidden Files"\
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-underline 0\
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-variable [format %s(-showhidden) $w] -onvalue 1 -offvalue 0\
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-command [list tixExFileSelectBox:SetShowHidden $w]]
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pack $data(w:ok) $data(w:cancel) $data(w:hidden)\
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-side top -fill x -padx 6 -pady 3
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pack $bf -side right -fill y -pady 6
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pack $lf -side left -expand yes -fill both
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tixDoWhenMapped $w [list tixExFileSelectBox:Map $w]
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if {$data(-filetypes) == ""} {
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$data(w:types) config -state disabled
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}
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}
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#----------------------------------------------------------------------
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# Configuration
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#----------------------------------------------------------------------
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proc tixExFileSelectBox:config-showhidden {w value} {
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upvar #0 $w data
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set data(-showhidden) $value
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tixExFileSelectBox:SetShowHidden $w
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}
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# Update both DirList and {file list and dir combo}
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#
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proc tixExFileSelectBox:config-directory {w value} {
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upvar #0 $w data
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set data(-directory) [tixFSNormalize $value]
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tixSetSilent $data(w:dirlist) $data(-directory)
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tixSetSilent $data(w:dir) $data(-directory)
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tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
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return $data(-directory)
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}
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proc tixExFileSelectBox:config-filetypes {w value} {
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upvar #0 $w data
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$data(w:types) subwidget listbox delete 0 end
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foreach name [array names data] {
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if {[string match type,* $name]} {
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catch {unset data($name)}
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}
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}
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if {$value == ""} {
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$data(w:types) config -state disabled
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} else {
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$data(w:types) config -state normal
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foreach type $value {
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$data(w:types) insert end [lindex $type 1]
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set data(type,[lindex $type 1]) [lindex $type 0]
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}
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tixSetSilent $data(w:types) ""
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}
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}
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#----------------------------------------------------------------------
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# MISC Methods
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#----------------------------------------------------------------------
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proc tixExFileSelectBox:SetShowHidden {w} {
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upvar #0 $w data
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$data(w:dirlist) config -showhidden $data(-showhidden)
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tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
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}
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# User activates the dir combobox
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#
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#
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proc tixExFileSelectBox:Cmd-DirCombo {w args} {
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upvar #0 $w data
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set dir [tixEvent flag V]
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set dir [tixFSExternal $dir]
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if {![file isdirectory $dir]} {
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return
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}
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set dir [tixFSNormalize $dir]
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$data(w:dirlist) config -value $dir
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set data(-directory) $dir
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}
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# User activates the dir list
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#
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#
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proc tixExFileSelectBox:Cmd-DirList {w args} {
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upvar #0 $w data
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set dir $data(-directory)
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catch {set dir [tixEvent flag V]}
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set dir [tixFSNormalize [tixFSExternal $dir]]
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tixSetSilent $data(w:dir) $dir
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set data(-directory) $dir
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tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w noreload
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}
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# User activates the dir list
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#
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#
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proc tixExFileSelectBox:Browse-DirList {w args} {
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upvar #0 $w data
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set dir [tixEvent flag V]
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set dir [tixFSNormalize [tixFSExternal $dir]]
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tixExFileSelectBox:Cmd-DirList $w $dir
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}
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proc tixExFileSelectBox:IsPattern {w string} {
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return [regexp "\[\[\\\{\\*\\?\]" $string]
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}
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proc tixExFileSelectBox:Cmd-FileCombo {w value} {
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upvar #0 $w data
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if {[tixEvent type] eq "<Return>"} {
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tixExFileSelectBox:Ok $w
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}
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}
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proc tixExFileSelectBox:Ok {w} {
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upvar #0 $w data
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set value [string trim [$data(w:file) subwidget entry get]]
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if {$value == ""} {
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set value $data(-pattern)
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}
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tixSetSilent $data(w:file) $value
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if {[tixExFileSelectBox:IsPattern $w $value]} {
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set data(-pattern) $value
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tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
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} else {
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# ensure absolute path
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set value [file join $data(-directory) $value]; # native
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set data(-value) [tixFSNativeNorm $value]
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tixExFileSelectBox:Invoke $w
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}
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}
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proc tixExFileSelectBox:Cancel {w} {
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upvar #0 $w data
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if {$data(-dialog) != ""} {
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eval $data(-dialog) popdown
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}
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}
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proc tixExFileSelectBox:Invoke {w} {
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upvar #0 $w data
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# Save some old history
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#
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$data(w:dir) addhistory [$data(w:dir) cget -value]
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$data(w:file) addhistory $data(-pattern)
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$data(w:file) addhistory $data(-value)
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if {$data(-dialog) != ""} {
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eval $data(-dialog) popdown
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}
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if {$data(-command) != "" && !$data(-disablecallback)} {
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set bind(specs) "%V"
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set bind(%V) $data(-value)
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tixEvalCmdBinding $w $data(-command) bind $data(-value)
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}
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}
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proc tixExFileSelectBox:Cmd-FileList {w invoke args} {
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upvar #0 $w data
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set index [lindex [$data(w:filelist) subwidget listbox curselection] 0]
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if {$index == ""} {
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set index 0
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}
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set file [$data(w:filelist) subwidget listbox get $index]
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tixSetSilent $data(w:file) $file
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set value [file join $data(-directory) $file]
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set data(-value) [tixFSNativeNorm $value]
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if {$invoke == 1} {
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tixExFileSelectBox:Invoke $w
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} elseif {$data(-browsecmd) != ""} {
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tixEvalCmdBinding $w $data(-browsecmd) "" $data(-value)
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}
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}
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proc tixExFileSelectBox:Cmd-TypeCombo {w args} {
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upvar #0 $w data
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set value [tixEvent flag V]
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if {[info exists data(type,$value)]} {
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set data(-pattern) $data(type,$value)
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tixSetSilent $data(w:file) $data(-pattern)
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tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
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}
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}
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proc tixExFileSelectBox:LoadFiles {w flag} {
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upvar #0 $w data
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if {$flag ne "reload" && $data(-directory) eq $data(oldDir)} {
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return
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}
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if {![winfo ismapped [winfo toplevel $w]]} {
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tixDoWhenMapped [winfo toplevel $w] \
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[list tixExFileSelectBox:LoadFiles $w $flag]
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return
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}
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set listbox [$data(w:filelist) subwidget listbox]
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$listbox delete 0 end
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set data(-value) ""
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tixBusy $w on [$data(w:dirlist) subwidget hlist]
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# wrap in a catch so you can't get stuck in a Busy state
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if {[catch {
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foreach name [tixFSListDir $data(-directory) 0 1 0 \
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$data(-showhidden) $data(-pattern)] {
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$listbox insert end $name
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}
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if {$data(oldDir) ne $data(-directory)} {
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# Otherwise if the user has already selected a file and then
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# presses "show hidden", the selection won't be wiped out.
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tixSetSilent $data(w:file) $data(-pattern)
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}
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} err]} {
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tixDebug "tixExFileSelectBox:LoadFiles error for $w\n$err"
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}
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set data(oldDir) $data(-directory)
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tixWidgetDoWhenIdle tixBusy $w off [$data(w:dirlist) subwidget hlist]
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}
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#
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# Called when thd listbox is first mapped
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proc tixExFileSelectBox:Map {w} {
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if {![winfo exists $w]} {
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return
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}
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upvar #0 $w data
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set bind(specs) "%V"
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set bind(%V) $data(-value)
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tixEvalCmdBinding $w bind \
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[list tixExFileSelectBox:Cmd-DirList $w] $data(-directory)
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}
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#----------------------------------------------------------------------
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# Public commands
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#
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#----------------------------------------------------------------------
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proc tixExFileSelectBox:invoke {w} {
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tixExFileSelectBox:Invoke $w
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}
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proc tixExFileSelectBox:filter {w} {
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tixExFileSelectBox:LoadFiles $w reload
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}
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