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271 lines
6.6 KiB
271 lines
6.6 KiB
6 years ago
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# -*-mode: tcl; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
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#
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# $Id: MkSample.tcl,v 1.3 2001/12/09 05:34:59 idiscovery Exp $
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#
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# MkSample.tcl --
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#
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# This file implements the "Sample" page in the widget demo
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#
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# This file has not been properly documented. It is NOT intended
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# to be used as an introductory demo program about Tix
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# programming. For such demos, please see the files in the
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# demos/samples directory or go to the "Samples" page in the
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# "widget demo"
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#
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#
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# Copyright (c) 1996, Expert Interface Technologies
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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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#
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set tix_demo_running 1
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set samples_dir [file join $demo_dir samples]
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set sample_filename {}
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uplevel #0 source [list [file join $samples_dir AllSampl.tcl]]
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proc MkSample {nb page} {
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global tixOption
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#----------------------------------------------------------------------
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set w [$nb subwidget $page]
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set pane [tixPanedWindow $w.pane -orient horizontal]
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pack $pane -expand yes -fill both
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set f1 [$pane add 1 -expand 1]
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set f2 [$pane add 2 -expand 3]
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$f1 config -relief flat
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$f2 config -relief flat
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# Left pane: the Tree:
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#
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set lab [label $f1.lab -text "Select a sample program:" -anchor w]
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set tree [tixTree $f1.slb \
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-options {
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hlist.selectMode single
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hlist.width 40
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}]
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$tree config \
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-command "Sample:Action $w $tree run" \
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-browsecmd "Sample:Action $w $tree browse"
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pack $lab -side top -fill x -padx 5 -pady 5
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pack $tree -side top -fill both -expand yes -padx 5
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# Right pane: the Text
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#
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set labe [tixLabelEntry $f2.lab -label "Source:" -options {
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label.anchor w
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}]
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$labe subwidget entry config -state disabled
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set stext [tixScrolledText $f2.stext]
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set f3 [frame $f2.f3]
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set run [button $f3.run -text "Run ..." \
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-command "Sample:Action $w $tree run"]
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set view [button $f3.view -text "View Source in Browser ..." \
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-command "Sample:Action $w $tree view"]
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pack $run $view -side left -fill y -pady 2
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pack $labe -side top -fill x -padx 7 -pady 2
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pack $f3 -side bottom -fill x -padx 7
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pack $stext -side top -fill both -expand yes -padx 7
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#
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# Set up the text subwidget
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set text [$stext subwidget text]
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bind $text <Up> "%W yview scroll -1 unit"
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bind $text <Down> "%W yview scroll 1 unit"
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bind $text <Left> "%W xview scroll -1 unit"
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bind $text <Right> "%W xview scroll 1 unit"
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bind $text <Tab> {focus [tk_focusNext %W]; break}
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bindtags $text "$text Text [winfo toplevel $text] all"
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$text config -bg [$tree subwidget hlist cget -bg] \
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-state disabled -font $tixOption(fixed_font) -wrap none
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$run config -state disabled
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$view config -state disabled
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global demo
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set demo(w:run) $run
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set demo(w:view) $view
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set demo(w:tree) $tree
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set demo(w:lab1) $labe
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set demo(w:stext) $stext
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set hlist [$tree subwidget hlist]
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$hlist config -separator "." -width 30 -drawbranch 0 \
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-wideselect false
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set style [tixDisplayStyle imagetext -refwindow $hlist \
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-fg $tixOption(fg) -padx 4]
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set file [tix getimage textfile]
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set folder [tix getimage openfold]
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ForAllSamples root "" \
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[list AddSampleToHList $tree $hlist $style $file $folder]
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}
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# AddSampleToHList --
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#
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# A callback from ForAllSamples. Add all the possible sample files
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# into the Tree widget.
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#
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proc AddSampleToHList {tree hlist style file folder token type text dest} {
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case $type {
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d {
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return [$hlist addchild $token -itemtype imagetext -style $style \
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-image $folder -text $text]
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}
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done {
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if {![tixStrEq $token ""]} {
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$tree setmode $token close
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$tree close $token
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}
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}
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f {
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return [$hlist addchild $token -itemtype imagetext \
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-image $file -text $text -data [list $text $dest]]
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}
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}
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}
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proc Sample:Action {w slb action args} {
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global samples demo_dir demo samples_dir
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set hlist [$slb subwidget hlist]
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set ent [$hlist info anchor]
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if {$ent == ""} {
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$demo(w:run) config -state disabled
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$demo(w:view) config -state disabled
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return
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}
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if {[$hlist info data $ent] == {}} {
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# This is just a comment
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$demo(w:run) config -state disabled
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$demo(w:view) config -state disabled
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return
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} else {
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$demo(w:run) config -state normal
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$demo(w:view) config -state normal
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}
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set theSample [$hlist info data $ent]
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set title [lindex $theSample 0]
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set prog [lindex $theSample 1]
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case $action {
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"run" {
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RunProg $title $prog
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}
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"view" {
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LoadFile [file join $samples_dir $prog]
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}
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"browse" {
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# Bring up a short description of the sample program
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# in the scrolled text about
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set text [$demo(w:stext) subwidget text]
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uplevel #0 set sample_filename [list [file join $samples_dir $prog]]
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tixWidgetDoWhenIdle ReadFileWhenIdle $text
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$demo(w:lab1) subwidget entry config -state normal
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$demo(w:lab1) subwidget entry delete 0 end
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$demo(w:lab1) subwidget entry insert end [file join $samples_dir $prog]
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$demo(w:lab1) subwidget entry xview end
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$demo(w:lab1) subwidget entry config -state disabled
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}
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}
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}
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proc RunProg {title prog} {
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global samples demo_dir demo samples_dir
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set w .[lindex [split $prog .] 0]
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set w [string tolower $w]
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if [winfo exists $w] {
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wm deiconify $w
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raise $w
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return
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}
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uplevel #0 source [list [file join $samples_dir $prog]]
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toplevel $w
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wm title $w $title
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RunSample $w
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}
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proc LoadFile {filename} {
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global tixOption
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set tmp $filename
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regsub -all . $filename _ tmp
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set w [string tolower .$tmp]
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if [winfo exists $w] {
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wm deiconify $w
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raise $w
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return
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}
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toplevel $w
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wm title $w "Source View: $filename"
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button $w.b -text Close -command "destroy $w"
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set t [tixScrolledText $w.text]
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tixForm $w.b -left 0 -bottom -0 -padx 4 -pady 4
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tixForm $w.text -left 0 -right -0 -top 0 -bottom $w.b
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$t subwidget text config -highlightcolor [$t cget -bg] -bd 2 \
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-bg [$t cget -bg] -font $tixOption(fixed_font)
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if {$filename == {}} {
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return
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}
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set text [$w.text subwidget text]
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$text config -wrap none
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ReadFile $text $filename
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}
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proc ReadFileWhenIdle {text} {
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global sample_filename
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if ![file isdir $sample_filename] {
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ReadFile $text $sample_filename
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}
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}
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proc ReadFile {text filename} {
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set oldState [$text cget -state]
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$text config -state normal
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$text delete 0.0 end
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set fd [open $filename {RDONLY}]
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$text delete 1.0 end
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while {![eof $fd]} {
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$text insert end [gets $fd]\n
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}
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close $fd
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$text see 1.0
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$text config -state $oldState
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}
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