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- # 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
- RunSample $w
- bind $w <Destroy> exit
- }
-