# This demonstration script shows an example with a vertical scale.
# RCS: @(#) $Id: vscale.tcl,v 1.3 2001/06/14 10:56:58 dkf Exp $
if {![info exists widgetDemo
]} {
error "This script should be run from the \"widget\" demo."
wm title
$w "Vertical Scale Demonstration"
label $w.msg
-font $font -wraplength 3.5i
-justify left
-text "An arrow and a vertical scale are displayed below. If you click or drag mouse button 1 in the scale, you can change the size of the arrow."
pack $w.msg
-side top
-padx .5c
pack $w.buttons
-side bottom
-fill x
-pady 2m
button $w.buttons.dismiss
-text Dismiss
-command "destroy $w"
button $w.buttons.code
-text "See Code" -command "showCode $w"
pack $w.buttons.dismiss
$w.buttons.code
-side left
-expand 1
frame $w.
frame -borderwidth 10
scale $w.
frame.
scale -orient vertical
-length 284 -from 0 -to 250 \
-command "setHeight $w.frame.canvas" -tickinterval 50
canvas $w.
frame.
canvas -width 50 -height 50 -bd 0 -highlightthickness 0
$w.
frame.
canvas create polygon
0 0 1 1 2 2 -fill SeaGreen3
-tags poly
$w.
frame.
canvas create line
0 0 1 1 2 2 0 0 -fill black
-tags line
frame $w.
frame.right
-borderwidth 15
pack $w.
frame.
scale -side left
-anchor ne
pack $w.
frame.
canvas -side left
-anchor nw
-fill y
proc setHeight
{w height
} {
set y2
[expr {$height - 30}]
$w coords poly
15 20 35 20 35 $y2 45 $y2 25 $height 5 $y2 15 $y2 15 20
$w coords line
15 20 35 20 35 $y2 45 $y2 25 $height 5 $y2 15 $y2 15 20