Gtk2-Ex-MenuView
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#!/usr/bin/perl -w
# Copyright 2010, 2016 Kevin Ryde
# This file is part of Gtk2-Ex-MenuView.
#
# Gtk2-Ex-MenuView is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3, or (at your option) any later
# version.
#
# Gtk2-Ex-MenuView is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with Gtk2-Ex-MenuView. If not, see <http://www.gnu.org/licenses/>.
use strict;
use warnings;
use Glib::Ex::SignalIds;
use Gtk2 '-init';
{
package MyLabel;
use Gtk2;
use Glib::Object::Subclass
'Gtk2::Label';
}
my $label = Gtk2::Label->new ('Foo');
# {
# my $req = $label->size_request;
# print "initial ", $req->width,"x",$req->height,"\n";
# }
my $ids;
sub make_ids {
$ids = Glib::Ex::SignalIds->new
($label,
$label->signal_connect (size_request => \&_do_size_request));
print "ids ",$ids->ids,"\n";
}
sub _do_size_request {
my ($self, $req) = @_;
print "_do_size_request()\n";
$req->width(88);
$req->height(22);
undef $ids;
# $self->queue_resize;
my $super_req = $self->size_request;
make_ids();
print "super ", $super_req->width,"x",$super_req->height,"\n";
$req->width ($super_req->width + 1000);
$req->height ($super_req->height + 1000);
}
{
make_ids ();
# $label->queue_resize;
my $req = $label->size_request;
print "with ids ", $req->width,"x",$req->height,"\n";
}
exit 0;
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