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ORPA-pyOpenRPA/WPy32-3720/python-3.7.2/tcl/tix8.4.3/demos/samples/Meter.tcl

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# -*-mode: tcl; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
#
# $Id: Meter.tcl,v 1.4 2001/12/09 05:31:07 idiscovery Exp $
#
# Tix Demostration Program
#
# This sample program is structured in such a way so that it can be
# executed from the Tix demo program "widget": it must have a
# procedure called "RunSample". It should also have the "if" statment
# at the end of this file so that it can be run as a standalone
# program using tixwish.
# This program demonstrates the use of the tixMeter widget -- it is
# used to display the progress of a background job
#
proc RunSample {w} {
set top [frame $w.f -bd 1 -relief raised]
set box [tixButtonBox $w.b -bd 1 -relief raised]
pack $box -side bottom -fill both
pack $top -side top -fill both -expand yes
# Create the Meter and the Label
#
label $top.lab -text "Work in progress ...."
tixMeter $top.met -value 0 -text 0%
pack $top.lab -side top -padx 50 -pady 10 -anchor c
pack $top.met -side top -padx 50 -pady 10 -anchor c
# Create the buttons
#
$box add cancel -text Cancel -command "destroy $w" \
-width 6 -under 0
$box add restart -text Restart -width 6 -under 0
$box subwidget restart config -command \
"Meter:Start $top.met [$box subwidget cancel] [$box subwidget restart]"
$box subwidget restart invoke
}
proc Meter:Start {meter cancel restart} {
$restart config -state disabled
$cancel config -text Cancel
after 40 Meter:BackgroundJob $meter 0 $cancel $restart
}
proc Meter:BackgroundJob {meter progress cancel restart} {
if ![winfo exists $meter] {
# the window has already been destroyed
#
return
}
set progress [expr $progress + 0.02]
set text [expr int($progress*100.0)]%
$meter config -value $progress -text $text
if {$progress < 1.0} {
after 40 Meter:BackgroundJob $meter $progress $cancel $restart
} else {
$cancel config -text OK -under 0
$restart config -state normal
}
}
if {![info exists tix_demo_running]} {
wm withdraw .
set w .demo
toplevel $w; wm transient $w ""
RunSample $w
bind $w <Destroy> {if {"%W" == ".demo"} exit}
}