# Create a top-level window that displays a bunch of radio buttons.
$mkRadio->destroy if Exists
($mkRadio);
$mkRadio = $top->Toplevel();
$w->title('Radiobutton Demonstration');
$w->iconname('Radiobuttons');
my $w_msg = $w->Message(-font
=> '-Adobe-times-medium-r-normal--*-180-*-*-*-*-*-*', -aspect
=> '300', -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. Click the "OK" button ' .
'when you\'ve seen enough.');
my $w_frame = $w->Frame(-borderwidth
=> '10');
my $w_frame2 = $w->Frame();
my(@pl) = (-side
=> 'top');
$w_msg->pack(-side
=> 'top');
$w_frame->pack(@pl, -fill
=> 'x', -pady
=> '10');
$w_frame2->pack(@pl, -fill
=> 'x');
my $w_frame_left = $w_frame->Frame();
my $w_frame_right = $w_frame->Frame();
@pl = (-side
=> 'left', -expand
=> 'yes');
$w_frame_left->pack(@pl);
$w_frame_right->pack(@pl);
$size = '' if not defined $size;
$color = '' if not defined $color;
my $w_frame_left_b1 = $w_frame_left->Radiobutton(-text
=> 'Point Size 10', -variable
=> \
$size, -relief
=> 'flat',
my $w_frame_left_b2 = $w_frame_left->Radiobutton(-text
=> 'Point Size 12', -variable
=> \
$size, -relief
=> 'flat',
my $w_frame_left_b3 = $w_frame_left->Radiobutton(-text
=> 'Point Size 18', -variable
=> \
$size, -relief
=> 'flat',
my $w_frame_left_b4 = $w_frame_left->Radiobutton(-text
=> 'Point Size 24', -variable
=> \
$size, -relief
=> 'flat',
@pl = (-side
=> 'top', -pady
=> '2', -anchor
=> 'w');
$w_frame_left_b1->pack(@pl);
$w_frame_left_b2->pack(@pl);
$w_frame_left_b3->pack(@pl);
$w_frame_left_b4->pack(@pl);
my $w_frame_right_b1 = $w_frame_right->Radiobutton(-text
=> 'Red', -variable
=> \
$color, -relief
=> 'flat',
my $w_frame_right_b2 = $w_frame_right->Radiobutton(-text
=> 'Green', -variable
=> \
$color, -relief
=> 'flat',
my $w_frame_right_b3 = $w_frame_right->Radiobutton(-text
=> 'Blue', -variable
=> \
$color, -relief
=> 'flat',
my $w_frame_right_b4 = $w_frame_right->Radiobutton(-text
=> 'Yellow', -variable
=> \
$color, -relief
=> 'flat',
my $w_frame_right_b5 = $w_frame_right->Radiobutton(-text
=> 'Orange', -variable
=> \
$color, -relief
=> 'flat',
my $w_frame_right_b6 = $w_frame_right->Radiobutton(-text
=> 'Purple', -variable
=> \
$color, -relief
=> 'flat',
@pl = (-side
=> 'top', -pady
=> '2', -anchor
=> 'w');
$w_frame_right_b1->pack(@pl);
$w_frame_right_b2->pack(@pl);
$w_frame_right_b3->pack(@pl);
$w_frame_right_b4->pack(@pl);
$w_frame_right_b5->pack(@pl);
$w_frame_right_b6->pack(@pl);
my $w_frame2_ok = $w_frame2->Button(-text
=> 'OK', -command
=> ['destroy', $w], -width
=> '12');
my $w_frame2_vars = $w_frame2->Button(-text
=> 'See Variables', -width
=> '12',
-command
=> [\
&showVars
, $w, 'size', 'color']);
@pl = (-side
=> 'left', -expand
=> 'yes');
$w_frame2_vars->pack(@pl);