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[micropolis] / src / tk / library / demos / mkVScale.tcl
1 # mkVScale w
2 #
3 # Create a top-level window that displays a vertical scale.
4 #
5 # Arguments:
6 # w - Name to use for new top-level window.
7
8 proc mkVScale {{w .scale1}} {
9 catch {destroy $w}
10 toplevel $w
11 dpos $w
12 wm title $w "Vertical Scale Demonstration"
13 wm iconname $w "Scale"
14 message $w.msg -font -Adobe-times-medium-r-normal--*-180* -aspect 300 \
15 -text "A bar and a vertical scale are displayed below. If you click or drag mouse button 1 in the scale, you can change the height of the bar. Click the \"OK\" button when you're finished."
16 frame $w.frame -borderwidth 10
17 pack append $w.frame \
18 [scale $w.frame.scale -orient vertical -length 280 -from 0 -to 250 \
19 -command "setHeight $w.frame.right.inner" -tickinterval 50 \
20 -bg Bisque1] {left expand frame ne} \
21 [frame $w.frame.right -borderwidth 15] {right expand frame nw}
22 pack append $w.frame.right \
23 [frame $w.frame.right.inner -geometry 40x20 -relief raised \
24 -borderwidth 2 -bg SteelBlue1] {expand frame nw}
25 $w.frame.scale set 20
26 button $w.ok -text OK -command "destroy $w"
27
28 pack append $w $w.msg {top fill} $w.frame {top expand fill} \
29 $w.ok {bottom fill}
30 }
31
32 proc setHeight {w height} {
33 $w config -geometry 40x${height}
34 }
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