Filename: //usr/share/tk8.5/demos//vscale.tcl

# vscale.tcl -- # # This demonstration script shows an example with a vertical scale. if {![info exists widgetDemo]} { error "This script should be run from the \"widget\" demo." } package require Tk set w .vscale catch {destroy $w} toplevel $w wm title $w "Vertical Scale Demonstration" wm iconname $w "vscale" positionWindow $w 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 ## See Code / Dismiss buttons set btns [addSeeDismiss $w.buttons $w] pack $btns -side bottom -fill x frame $w.frame -borderwidth 10 pack $w.frame 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 $w.frame.scale set 75 proc setHeight {w height} { incr height 21 set y2 [expr {$height - 30}] if {$y2 < 21} { set y2 21 } $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 }

./Ninja\.