git.zerfleddert.de Git - micropolis/blob - src/tk/library/demos/mkHScale.tcl

   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 }