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Annotation of micropolis/src/tk/library/demos/mkHScale.tcl, revision 1.1

1.1     ! root        1: # mkHScale w
        !             2: #
        !             3: # Create a top-level window that displays a horizontal scale.
        !             4: #
        !             5: # Arguments:
        !             6: #    w -       Name to use for new top-level window.
        !             7: 
        !             8: proc mkHScale {{w .scale2}} {
        !             9:     catch {destroy $w}
        !            10:     toplevel $w
        !            11:     dpos $w
        !            12:     wm title $w "Horizontal 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 horizontal scale are displayed below.  If you click or drag mouse button 1 in the scale, you can change the width of the bar.  Click the \"OK\" button when you're finished."
        !            16:     frame $w.frame -borderwidth 10
        !            17:     pack append $w.frame \
        !            18:        [frame $w.frame.top -borderwidth 15] {top expand frame sw} \
        !            19:        [scale $w.frame.scale -orient horizontal -length 280 -from 0 -to 250 \
        !            20:            -command "setWidth $w.frame.top.inner" -tickinterval 50 \
        !            21:            -bg Bisque1] {bottom expand frame nw}
        !            22:     pack append $w.frame.top \
        !            23:        [frame $w.frame.top.inner -geometry 20x40 -relief raised \
        !            24:            -borderwidth 2 -bg SteelBlue1] {expand frame sw}
        !            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 setWidth {w width} {
        !            33:     $w config -geometry ${width}x40
        !            34: }

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