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233 lines
6.1 KiB
233 lines
6.1 KiB
# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
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#
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# $Id: Init.tcl,v 1.18 2008/02/28 04:35:16 hobbs Exp $
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#
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# Init.tcl --
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#
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# Initializes the Tix library and performes version checking to ensure
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# the Tcl, Tk and Tix script libraries loaded matches with the binary
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# of the respective packages.
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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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namespace eval ::tix {
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}
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proc tixScriptVersion {} { return $::tix_version }
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proc tixScriptPatchLevel {} { return $::tix_patchLevel }
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proc ::tix::Init {dir} {
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global tix env tix_library tcl_platform auto_path
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if {[info exists tix(initialized)]} {
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return
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}
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if {![info exists tix_library]} {
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# we're running from stand-alone module.
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set tix_library ""
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} elseif {[file isdir $tix_library]} {
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if {![info exists auto_path] ||
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[lsearch $auto_path $tix_library] == -1} {
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lappend auto_path $tix_library
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}
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}
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# STEP 1: Version checking
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#
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#
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package require Tcl 8.4
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package require -exact Tix 8.4.3
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# STEP 2: Initialize file compatibility modules
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#
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foreach file {
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fs.tcl
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Tix.tcl Event.tcl
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Balloon.tcl BtnBox.tcl
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CObjView.tcl ChkList.tcl
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ComboBox.tcl Compat.tcl
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Console.tcl Control.tcl
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DefSchm.tcl DialogS.tcl
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DirBox.tcl DirDlg.tcl
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DirList.tcl DirTree.tcl
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DragDrop.tcl DtlList.tcl
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EFileBox.tcl EFileDlg.tcl
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FileBox.tcl FileCbx.tcl
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FileDlg.tcl FileEnt.tcl
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FloatEnt.tcl
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Grid.tcl HList.tcl
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HListDD.tcl IconView.tcl
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LabEntry.tcl LabFrame.tcl
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LabWidg.tcl ListNBk.tcl
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Meter.tcl MultView.tcl
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NoteBook.tcl OldUtil.tcl
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OptMenu.tcl PanedWin.tcl
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PopMenu.tcl Primitiv.tcl
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ResizeH.tcl SGrid.tcl
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SHList.tcl SListBox.tcl
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STList.tcl SText.tcl
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SWidget.tcl SWindow.tcl
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Select.tcl Shell.tcl
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SimpDlg.tcl StackWin.tcl
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StatBar.tcl StdBBox.tcl
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StdShell.tcl TList.tcl
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Tree.tcl
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Utils.tcl VResize.tcl
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VStack.tcl VTree.tcl
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Variable.tcl WInfo.tcl
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} {
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uplevel \#0 [list source [file join $dir $file]]
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}
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# STEP 3: Initialize the Tix application context
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#
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tixAppContext tix
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# DO NOT DO THIS HERE !!
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# This causes the global defaults to be altered, which may not
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# be desirable. The user can call this after requiring Tix if
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# they wish to use different defaults.
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#
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#tix initstyle
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# STEP 4: Initialize the bindings for widgets that are implemented in C
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#
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foreach w {
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HList TList Grid ComboBox Control FloatEntry
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LabelEntry ScrolledGrid ScrolledListBox
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} {
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tix${w}Bind
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}
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rename ::tix::Init ""
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}
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# tixWidgetClassEx --
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#
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# This procedure is similar to tixWidgetClass, except it
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# performs a [subst] on the class declaration before evaluating
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# it. This gives us a chance to specify platform-specific widget
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# default without using a lot of ugly double quotes.
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#
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# The use of subst'able entries in the class declaration should
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# be restrained to widget default values only to avoid producing
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# unreadable code.
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#
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# Arguments:
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# name - The name of the class to declare.
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# classDecl - Various declarations about the class. See documentation
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# of tixWidgetClass for details.
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proc tixWidgetClassEx {name classDecl} {
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tixWidgetClass $name [uplevel [list subst $classDecl]]
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}
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#
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# Deprecated tix* functions
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#
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interp alias {} tixFileJoin {} file join
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interp alias {} tixStrEq {} string equal
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proc tixTrue {args} { return 1 }
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proc tixFalse {args} { return 0 }
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proc tixStringSub {var fromStr toStr} {
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upvar 1 var var
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set var [string map $var [list $fromStr $toStr]]
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}
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proc tixGetBoolean {args} {
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set len [llength [info level 0]]
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set nocomplain 0
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if {$len == 3} {
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if {[lindex $args 0] ne "-nocomplain"} {
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return -code error "wrong \# args:\
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must be [lindex [info level 0] 0] ?-nocomplain? string"
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}
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set nocomplain 1
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set val [lindex $args 1]
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} elseif {$len != 2} {
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return -code error "wrong \# args:\
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must be [lindex [info level 0] 0] ?-nocomplain? string"
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} else {
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set val [lindex $args 0]
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}
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if {[string is boolean -strict $val] || $nocomplain} {
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return [string is true -strict $val]
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} elseif {$nocomplain} {
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return 0
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} else {
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return -code error "\"$val\" is not a valid boolean"
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}
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}
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interp alias {} tixVerifyBoolean {} tixGetBoolean
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proc tixGetInt {args} {
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set len [llength [info level 0]]
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set nocomplain 0
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set trunc 0
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for {set i 1} {$i < $len-1} {incr i} {
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set arg [lindex $args 0]
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if {$arg eq "-nocomplain"} {
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set nocomplain 1
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} elseif {$arg eq "-trunc"} {
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set trunc 1
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} else {
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return -code error "wrong \# args: must be\
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[lindex [info level 0] 0] ?-nocomplain? ?-trunc? string"
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}
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}
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if {$i != $len-1} {
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return -code error "wrong \# args: must be\
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[lindex [info level 0] 0] ?-nocomplain? ?-trunc? string"
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}
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set val [lindex $args end]
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set code [catch {expr {round($val)}} res]
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if {$code} {
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if {$nocomplain} {
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return 0
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} else {
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return -code error "\"$val\" cannot be converted to integer"
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}
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}
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if {$trunc} {
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return [expr {int($val)}]
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} else {
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return $res
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}
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}
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proc tixFile {option filename} {
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set len [string length $option]
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if {$len > 1 && [string equal -length $len $option "tildesubst"]} {
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set code [catch {file normalize $filename} res]
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if {$code == 0} {
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set filename $res
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}
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} elseif {$len > 1 && [string equal -length $len $option "trimslash"]} {
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# normalize extra slashes
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set filename [file join $filename]
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if {$filename ne "/"} {
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set filename [string trimright $filename "/"]
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}
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} else {
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return -code error "unknown option \"$option\",\
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must be tildesubst or trimslash"
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}
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return $filename
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}
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interp alias {} tixRaiseWindow {} raise
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#proc tixUnmapWindow {w} { }
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#
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# if tix_library is not defined, we're running in SAM mode. ::tix::Init
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# will be called later by the Tix_Init() C code.
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#
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if {[info exists tix_library]} {
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::tix::Init [file dirname [info script]]
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}
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