Initial commit of OpenSPARC T2 design and verification files.

[OpenSPARC-T2-DV] / tools / perl-5.8.0 / lib / site_perl / 5.8.0 / sun4-solaris / Tk / demos / widget_lib / hscale.pl

# hscale.pl

use subs qw /hscale_width/;
use vars qw/$TOP/;

sub hscale {

   # Create a top-level window that displays a horizontal scale.

   my($demo) = @_;
   $TOP = $MW->WidgetDemo(
       -name     => $demo,
       -text     => 'An arrow and a horizontal scale are displayed below.  If you click or drag mouse button 1 in the scale, you can change the size of the arrow.',
       -title    => 'Horizontal Scale Demonstration',
       -iconname => 'hscale',
   );

   my $frame = $TOP->Frame(-borderwidth => 10)->pack(qw/-side top -fill x/);

   my $canvas = $frame->Canvas(
       qw/width 50 -height 50 -bd 0 -highlightthickness 0/);
   $canvas->create(qw/polygon 0 0 1 1 2 2 -fill DeepSkyBlue3 -tags poly/);
   $canvas->create(qw/line 0 0 1 1 2 2 0 0 -fill black -tags line/);

   my $scale = $frame->Scale(qw/-orient horizontal -length 284 -from 0
       -to 250 -tickinterval 50 -command/ => [\&hscale_width, $canvas]);
   $scale->set(75);

   $canvas->pack(qw/-side top -expand yes -anchor w -fill x/);
   $scale->pack(qw/-side bottom -expand yes -anchor w/);

} # end hscale

sub hscale_width {

   my($w, $width) = @_;

   $width += 21;
   my $x2 = $width - 30;
   $x2 = 21 if $x2 < 21;
   $w->coords('poly', 20, 15, 20, 35, $x2, 35, $x2, 45, $width, 25, $x2, 5,
              $x2, 15, 20, 15);
   $w->coords('line', 20, 15, 20, 35, $x2, 35, $x2, 45, $width, 25, $x2, 5,
              $x2, 15, 20, 15);

} # end hscale_width

1;