Viewing file:  radio.pl (2.55 KB) -rw-r--r--
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# radio.pl
use Tk::widgets qw/LabFrame/;
use vars qw/$TOP/;
sub radio {
# Create a top-level window that displays a bunch of radio buttons.
my($demo) = @_;
$TOP = $MW->WidgetDemo(
-name => $demo,
-text => ['Two groups of radiobuttons are displayed below. If you click on a button then the button will become selected exclusively among all the buttons in its group. A Perl variable is associated with each group to indicate which of the group\'s buttons is selected. Click the "See Variables" button to see the current values of the variables.', qw/-wraplength 5i/],
-title => 'Radiobutton Demonstration',
-iconname => 'radio',
);
my $var = $TOP->Button(
-text => 'See Variables',
-command => [\&see_vars, $TOP, [
['point size', \$POINT_SIZE],
['color', \$COLOR],
['alignment', \$ALIGN],
]
],
);
$var->pack(qw/-side bottom -expand 1/);
my @pl = qw/-side left -expand 1 -padx .5c -pady .5c/;
my $left = $TOP->LabFrame(-label => 'Point Size')->pack(@pl);
my $mid = $TOP->LabFrame(-label => 'Color')->pack(@pl);
my $right = $TOP->LabFrame(-label => 'Alignment')->pack(@pl);
@pl = qw/-side top -pady 2 -anchor w/;
foreach my $p (10, 12, 18, 24) {
$left->Radiobutton(
-text => "Point Size $p",
-variable => \$POINT_SIZE,
-relief => 'flat',
-value => $p,
)->pack(@pl);
}
foreach my $c (qw/Red Green Blue Yellow Orange Purple/) {
$mid->Radiobutton(
-text => $c,
-variable => \$COLOR,
-relief => 'flat',
-value => lc($c),
-command => sub {$mid->configure(-foreground => $c)},
)->pack(@pl);
}
my $l = $right->Label(qw/-text Label -bitmap questhead -compound left/);
$l->configure(-width => $l->reqwidth, -compound => 'top');
$l->configure(-height => $l->reqheight);
my %w;
foreach my $a (qw/Top Left Right Bottom/) {
my $lower = lc $a;
$w{$lower} = $right->Radiobutton(
-text => $a,
-variable => \$ALIGN,
-relief => 'flat',
-value => $lower,
-indicatoron => 0,
-width => 7,
-command => sub {
$l->configure(-compound => $ALIGN);
},
);
}
Tk::grid('x', $w{'top'});
$w{'left'}->grid($l, $w{'right'});
Tk::grid('x', $w{'bottom'});
} # end radio
1;
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