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# $Id: TFrame.pm,v 2.2 2007/12/06 20:09:39 eserte Exp $
package Tk::TFrame;
use Tk;
use strict;
use vars qw($VERSION @ISA);
@ISA = qw(Tk::Derived Tk::Frame);
$VERSION = sprintf("%d.%02d", q$Revision: 2.2 $ =~ /(\d+)\.(\d+)/);
Construct Tk::Widget "TFrame";
sub ClassInit {
my ($class,$mw) = @_;
$mw->bind($class,'<Configure>',['layoutRequest']);
$mw->bind($class,'<FocusIn>', 'NoOp');
return $class;
}
sub Populate {
my($frame,$args) = @_;
$frame->Tk::configure(-borderwidth => 0, -highlightthickness => 0);
my $border = $frame->Component(Frame => "border");
my @label = (
-padx => 4,
-pady => 2,
-borderwidth => 2,
-relief => 'flat'
);
if (exists $args->{'-label'}) {
if (not ref $args->{'-label'}) {
$args->{'-label'} = [ -text => $args->{'-label'} ];
}
push @label, @{$args->{'-label'}};
}
my $label = $frame->Component(Label => "label",@label);
my $container = $frame->Component(Frame => "container", -borderwidth => 0);
$frame->DoWhenIdle(['Manage',$frame]);
$frame->Default("container" => $container);
$frame->ConfigSpecs(
-label => [ 'METHOD', undef, undef, undef],
-relief => [$border,'relief','Relief','groove'],
-borderwidth => [$border,'borderwidth','Borderwidth',2],
-ipadx => [PASSIVE => undef, undef, 0],
-ipady => [PASSIVE => undef, undef, 0],
);
$frame;
}
sub label {
my $frame = shift;
my $v = shift || [];
my $l = $frame->Subwidget('label');
$l->configure(@$v);
}
sub layoutRequest {
my($f) = @_;
$f->DoWhenIdle(['adjustLayout',$f]) unless $f->{'layout_pending'};
$f->{'layout_pending'} = 1;
}
sub SlaveGeometryRequest {
my ($m,$s) = @_;
$m->DoWhenIdle(['_SlaveGeometryRequest',$m]) unless $m->{'geom_pending'};
$m->{'geom_pending'} = 1;
}
sub Manage {
my $f = shift;
my $l = $f->Subwidget('label');
my $c = $f->Subwidget('container');
my $b = $f->Subwidget('border');
$f->ManageGeometry($l);
$l->MapWindow;
$f->ManageGeometry($c);
$c->MapWindow;
$f->ManageGeometry($b);
$b->MapWindow;
SlaveGeometryRequest($f,$l);
}
sub _SlaveGeometryRequest {
my $f = shift;
my $l = $f->Subwidget('label');
my $c = $f->Subwidget('container');
my $b = $f->Subwidget('border');
$f->{'geom_pending'} = 0;
my $px = $f->{Configure}{'-ipadx'} || 0;
my $py = $f->{Configure}{'-ipady'} || 0;
my $bw = $b->cget('-borderwidth')*2;
my $w = $c->ReqWidth + $bw + $px*2;
my $w2 = $l->ReqWidth + 20 + $bw;
my $h = $bw + $l->ReqHeight + $c->ReqHeight #+ $f->cget('-borderwidth')*2
+ $py*2;
$f->GeometryRequest($w > $w2 ? $w : $w2,$h);
}
sub adjustLayout {
my $frame = shift;
my $label = $frame->Subwidget('label');
my $container = $frame->Subwidget('container');
my $border = $frame->Subwidget('border');
$frame->{'layout_pending'} = 0;
my $rh = $label->ReqHeight;
my $px = $frame->{Configure}{'-ipadx'} || 0;
my $bw = $frame->{Configure}{'-borderwidth'} || 0;
my $py = $frame->{Configure}{'-ipady'} || 0;
my $W = $frame->Width;
my $H = $frame->Height;
$border->MoveResizeWindow(0,int($rh/2),$W,$H-int($rh/2));
$container->MoveResizeWindow(
$px+$bw,$rh + $py, $W - (($px+$bw) * 2), $H - $rh -$bw - ($px * 2));
$label->MoveResizeWindow(10,0,$label->ReqWidth,$label->ReqHeight);
}
sub grid {
my $w = shift;
$w = $w->Subwidget('container')
if (@_ && $_[0] =~ /^(?: bbox
|columnconfigure
|location
|propagate
|rowconfigure
|size
|slaves)$/x);
$w->SUPER::grid(@_);
}
sub slave {
my $w = shift;
$w->Subwidget('container');
}
sub pack {
my $w = shift;
$w = $w->Subwidget('container')
if (@_ && $_[0] =~ /^(?:propagate|slaves)$/x);
$w->SUPER::pack(@_);
}
1;
__END__
=head1 NAME
Tk::TFrame - A Titled Frame widget
=head1 SYNOPSIS
use Tk::TFrame;
$frame1 = $parent->TFrame(
-label => [ -text => 'Title' ],
-borderwidth => 2,
-relief => 'groove',
);
# or simply
$frame2 = $parent->TFrame(
-label => 'Title'
);
$frame1->pack;
$frame2->pack;
=head1 DESCRIPTION
B<Tk::TFrame> provides a frame but with a title which overlaps the border
by half of it's height.
=head1 SEE ALSO
L<Tk::LabFrame|Tk::LabFrame>
=head1 AUTHOR
Graham Barr E<lt>F<gbarr@pobox.com>E<gt>
=head1 COPYRIGHT
Copyright (c) 1997-1998 Graham Barr. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
|
