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diff --git a/tcl/library/demos/plot.tcl b/tcl/library/demos/plot.tcl
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-# plot.tcl --
-#
-# This demonstration script creates a canvas widget showing a 2-D
-# plot with data points that can be dragged with the mouse.
-#
-# RCS: @(#) $Id$
-
-if {![info exists widgetDemo]} {
- error "This script should be run from the \"widget\" demo."
-}
-
-set w .plot
-catch {destroy $w}
-toplevel $w
-wm title $w "Plot Demonstration"
-wm iconname $w "Plot"
-positionWindow $w
-set c $w.c
-
-label $w.msg -font $font -wraplength 4i -justify left -text "This window displays a canvas widget containing a simple 2-dimensional plot. You can doctor the data by dragging any of the points with mouse button 1."
-pack $w.msg -side top
-
-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
-
-canvas $c -relief raised -width 450 -height 300
-pack $w.c -side top -fill x
-
-set plotFont {Helvetica 18}
-
-$c create line 100 250 400 250 -width 2
-$c create line 100 250 100 50 -width 2
-$c create text 225 20 -text "A Simple Plot" -font $plotFont -fill brown
-
-for {set i 0} {$i <= 10} {incr i} {
- set x [expr {100 + ($i*30)}]
- $c create line $x 250 $x 245 -width 2
- $c create text $x 254 -text [expr {10*$i}] -anchor n -font $plotFont
-}
-for {set i 0} {$i <= 5} {incr i} {
- set y [expr {250 - ($i*40)}]
- $c create line 100 $y 105 $y -width 2
- $c create text 96 $y -text [expr {$i*50}].0 -anchor e -font $plotFont
-}
-
-foreach point {
- {12 56} {20 94} {33 98} {32 120} {61 180} {75 160} {98 223}
-} {
- set x [expr {100 + (3*[lindex $point 0])}]
- set y [expr {250 - (4*[lindex $point 1])/5}]
- set item [$c create oval [expr {$x-6}] [expr {$y-6}] \
- [expr {$x+6}] [expr {$y+6}] -width 1 -outline black \
- -fill SkyBlue2]
- $c addtag point withtag $item
-}
-
-$c bind point <Any-Enter> "$c itemconfig current -fill red"
-$c bind point <Any-Leave> "$c itemconfig current -fill SkyBlue2"
-$c bind point <1> "plotDown $c %x %y"
-$c bind point <ButtonRelease-1> "$c dtag selected"
-bind $c <B1-Motion> "plotMove $c %x %y"
-
-set plot(lastX) 0
-set plot(lastY) 0
-
-# plotDown --
-# This procedure is invoked when the mouse is pressed over one of the
-# data points. It sets up state to allow the point to be dragged.
-#
-# Arguments:
-# w - The canvas window.
-# x, y - The coordinates of the mouse press.
-
-proc plotDown {w x y} {
- global plot
- $w dtag selected
- $w addtag selected withtag current
- $w raise current
- set plot(lastX) $x
- set plot(lastY) $y
-}
-
-# plotMove --
-# This procedure is invoked during mouse motion events. It drags the
-# current item.
-#
-# Arguments:
-# w - The canvas window.
-# x, y - The coordinates of the mouse.
-
-proc plotMove {w x y} {
- global plot
- $w move selected [expr {$x-$plot(lastX)}] [expr {$y-$plot(lastY)}]
- set plot(lastX) $x
- set plot(lastY) $y
-}