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78 lines
2.1 KiB
Tcl
78 lines
2.1 KiB
Tcl
3 weeks 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: Meter.tcl,v 1.4 2001/12/09 05:31:07 idiscovery Exp $
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#
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# Tix Demostration Program
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#
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# This sample program is structured in such a way so that it can be
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# executed from the Tix demo program "widget": it must have a
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# procedure called "RunSample". It should also have the "if" statment
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# at the end of this file so that it can be run as a standalone
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# program using tixwish.
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# This program demonstrates the use of the tixMeter widget -- it is
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# used to display the progress of a background job
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#
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proc RunSample {w} {
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set top [frame $w.f -bd 1 -relief raised]
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set box [tixButtonBox $w.b -bd 1 -relief raised]
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pack $box -side bottom -fill both
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pack $top -side top -fill both -expand yes
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# Create the Meter and the Label
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#
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label $top.lab -text "Work in progress ...."
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tixMeter $top.met -value 0 -text 0%
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pack $top.lab -side top -padx 50 -pady 10 -anchor c
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pack $top.met -side top -padx 50 -pady 10 -anchor c
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# Create the buttons
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#
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$box add cancel -text Cancel -command "destroy $w" \
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-width 6 -under 0
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$box add restart -text Restart -width 6 -under 0
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$box subwidget restart config -command \
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"Meter:Start $top.met [$box subwidget cancel] [$box subwidget restart]"
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$box subwidget restart invoke
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}
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proc Meter:Start {meter cancel restart} {
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$restart config -state disabled
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$cancel config -text Cancel
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after 40 Meter:BackgroundJob $meter 0 $cancel $restart
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}
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proc Meter:BackgroundJob {meter progress cancel restart} {
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if ![winfo exists $meter] {
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# the window has already been destroyed
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#
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return
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}
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set progress [expr $progress + 0.02]
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set text [expr int($progress*100.0)]%
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$meter config -value $progress -text $text
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if {$progress < 1.0} {
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after 40 Meter:BackgroundJob $meter $progress $cancel $restart
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} else {
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$cancel config -text OK -under 0
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$restart config -state normal
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}
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}
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if {![info exists tix_demo_running]} {
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wm withdraw .
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set w .demo
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toplevel $w; wm transient $w ""
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RunSample $w
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bind $w <Destroy> {if {"%W" == ".demo"} exit}
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}
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