# Copyright 2011, 2012, 2013 Kevin Ryde
# This file is part of Math-Image.
#
# Math-Image 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.
#
# Math-Image 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 Math-Image. If not, see <http://www.gnu.org/licenses/>.
package App::MathImage::Gtk1::AboutDialog;
use 5.004;
use strict;
use Scalar::Util;
use Locale::TextDomain ('App-MathImage');
use vars '$VERSION','@ISA';
$VERSION = 110;
# uncomment this to run the ### lines
# use Smart::Comments;
sub popup {
my ($self) = @_;
ref $self or $self = $self->instance;
if (my $win = $self->window) {
$win->raise;
} else {
$self->show;
}
}
# Maybe:
#
# =over 4
#
# =item C<< App::MathImage::AboutDialog->instance() >>
#
# Return a shared instance of the AboutDialog, ready to be presented to the
# user. The dialog close button or delete event destroys the dialog; a
# subsequent call to C<instance> creates a new one.
#
# =back
#
my $instance;
sub instance {
my ($class) = @_;
### AboutDialog instance(): $class
### $instance
return $instance || $class->new;
}
use constant::defer init => sub {
### AboutDialog init(): @_
require Gtk;
Gtk->init;
@ISA = ('Gtk::Dialog');
Gtk::Dialog->register_subtype(__PACKAGE__);
return undef;
};
sub new {
### AboutDialog new(): @_
init();
return Gtk::Widget->new(@_);
}
sub GTK_CLASS_INIT {
my ($class) = @_;
### AboutDialog GTK_CLASS_INIT() ...
}
sub GTK_OBJECT_INIT {
my ($self) = @_;
### AboutDialog GTK_OBJECT_INIT() ...
$self->set_title(__('Math-Image: About'));
my $vbox = $self->vbox;
{
my $label = Gtk::Label->new
(__x("Math-Image version {version}\n\n",
version => $self->VERSION));
$label->set_justify ('center');
$vbox->pack_start ($label, 1,1,0);
}
{
my $label = Gtk::Label->new
(__x("Copyright (C) 2010, 2011 Kevin Ryde
Math-Image is Free Software, distributed under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Click on the License button below for the full text.
Math-Image 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 license for more.
You are running under: Perl {perlver}, Gtk-Perl {gtkperlver}, Gtk {gtkver}
http://user42.tuxfamily.org/math-image/index.html
",
perlver => sprintf('%vd', $^V),
gtkver => join('.', Gtk->major_version,
Gtk->minor_version,
Gtk->micro_version),
gtkperlver => Gtk->VERSION));
$label->set_line_wrap (1);
$vbox->pack_start ($label, 1,1,0);
}
my $button = Gtk::Button->new("Close");
$button->signal_connect (clicked => \&_do_button_close);
$button->can_default(1);
$self->action_area->pack_start($button, 0,0,0);
$button->grab_default;
$button->show;
$self->show_all;
Scalar::Util::weaken ($instance = $self);
}
sub _do_button_close {
my ($button) = @_;
my $self = $button->get_ancestor (__PACKAGE__) || return;
$self->destroy;
}
1;
__END__
=for stopwords AboutDialog Ryde
=head1 NAME
App::MathImage::Gtk1::AboutDialog -- about dialog module
=head1 SYNOPSIS
use App::MathImage::Gtk1::AboutDialog;
my $dialog = App::MathImage::Gtk1::AboutDialog->new;
$dialog->show;
=head1 WIDGET HIERARCHY
C<App::MathImage::Gtk1::AboutDialog> is a subclass of C<Gtk::Dialog>.
Gtk::Widget
Gtk::Container
Gtk::Bin
Gtk::Window
Gtk::Dialog
App::MathImage::Gtk1::AboutDialog
=head1 SEE ALSO
L<math-image>
=head1 HOME PAGE
L<http://user42.tuxfamily.org/math-image/index.html>
=head1 LICENSE
Copyright 2011, 2012, 2013 Kevin Ryde
Math-Image 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.
Math-Image 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
Math-Image. If not, see L<http://www.gnu.org/licenses/>.
=cut