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author | rjohnson <rjohnson@noemail.net> | 1998-04-01 09:51:45 (GMT) |
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committer | rjohnson <rjohnson@noemail.net> | 1998-04-01 09:51:45 (GMT) |
commit | 9c5b7f2b7e472536ed2e7c915ead05e2aa264182 (patch) | |
tree | 8fb30cb152c4dc191be47fa043d2e6f5ea38c7ba /library/demos/vscale.tcl | |
parent | 1d0efcbe267f2c0eb73869862522fb20fb2d63ca (diff) | |
download | tk-9c5b7f2b7e472536ed2e7c915ead05e2aa264182.zip tk-9c5b7f2b7e472536ed2e7c915ead05e2aa264182.tar.gz tk-9c5b7f2b7e472536ed2e7c915ead05e2aa264182.tar.bz2 |
Initial revision
FossilOrigin-Name: 2bf55ca9aa942b581137b9f474da5ad9c1480de4
Diffstat (limited to 'library/demos/vscale.tcl')
-rw-r--r-- | library/demos/vscale.tcl | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/library/demos/vscale.tcl b/library/demos/vscale.tcl new file mode 100644 index 0000000..ed78ac0 --- /dev/null +++ b/library/demos/vscale.tcl @@ -0,0 +1,48 @@ +# vscale.tcl -- +# +# This demonstration script shows an example with a vertical scale. +# +# SCCS: @(#) vscale.tcl 1.4 97/03/02 16:28:34 + +if {![info exists widgetDemo]} { + error "This script should be run from the \"widget\" demo." +} + +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 + +frame $w.buttons +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 +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 +} |