File: derived_test

package info (click to toggle)
perl-tk 1:800.025-2
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 18,444 kB
  • ctags: 19,081
  • sloc: ansic: 206,740; perl: 40,187; makefile: 4,371; sh: 2,373; yacc: 762
file content (46 lines) | stat: -rwxr-xr-x 1,035 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
#!/usr/local/bin/perl -w
use Tk;
require Tk::Text;

{
 package Tk::Dwidget;
use base  qw(Tk::Frame);
 Construct Tk::Widget 'Dwidget';

 sub Populate
 {
  my ($cw,$args) = @_;
  $cw->SUPER::Populate($args);
  my $w = $cw->Label(-text => 'A Subwidget')->pack;
  $cw->Advertise('label' => $w);
  $cw->ConfigSpecs(-foreground => [$w,'foreground','Foreground','yellow'],
                   -background => ['METHOD','background','Background','white']
                  );
 }

 sub background
 {
  # print 'background(',join(',',@_),")\n";
  my $w = shift;
  if (@_)
   {
    $w->Subwidget('label')->configure(-background => @_);
   }
  return $w->Subwidget('label')->cget('-background');
 }
 
}

my $mw = MainWindow->new;
$mw->optionAdd('*Dwidget.Foreground' => 'green');
my $w  = $mw->Dwidget(-bg => 'red')->pack;

$w->repeat(5000,sub { my $fg = $w->cget('-fg');
                      my $bg = $w->cget('-bg');
                      $w->configure(-fg => $bg, -bg => $fg)});

$w->after(4000,sub {$w->configure(-fg => 'blue')});
MainLoop;