#!/usr/bin/perl -w
# Copyright 2008, 2010 Kevin Ryde
# This file is part of Gtk2-Ex-Xor.
#
# Gtk2-Ex-Xor 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-Xor 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-Xor. If not, see <http://www.gnu.org/licenses/>.
use strict;
use warnings;
use FindBin;
use Gtk2 '-init';
use Gtk2::Ex::CrossHair;
use Data::Dumper;
my $progname = $FindBin::Script;
Gtk2::Gdk::Window->set_debug_updates (1);
my $toplevel = Gtk2::Window->new('toplevel');
$toplevel->signal_connect (destroy => sub { Gtk2->main_quit });
$toplevel->set_flags(['can-focus']);
$toplevel->grab_focus;
# my $image = Gtk2::Label->new
# ('no fjkdsj fksd jfkd sk
# such fjdks jfksd jfks jf sd
# file dfjksjfksd fjsdk
# ');
my $image = Gtk2::Image->new_from_file
('/usr/share/doc/libgtk2.0-doc/gtk/tree-view-coordinates.png');
$toplevel->add ($image);
my $cross = Gtk2::Ex::CrossHair->new (widgets => [ $toplevel ],
foreground => 'orange',
# line_style => 'on_off_dash',
);
$toplevel->add_events (['button-press-mask', 'key-press-mask']);
$toplevel->signal_connect
(button_press_event =>
sub {
my ($widget, $event) = @_;
print "$progname: start button $widget\n";
$cross->start ($event);
});
$toplevel->signal_connect
(key_press_event =>
sub {
my ($widget, $event) = @_;
if ($event->keyval == Gtk2::Gdk->keyval_from_name('Escape')) {
print "$progname: end key\n";
$cross->end;
} elsif ($event->keyval == Gtk2::Gdk->keyval_from_name('space')) {
print "$progname: start key\n";
$cross->start ($event);
} elsif ($event->keyval == Gtk2::Gdk->keyval_from_name('r')) {
print "$progname: redraw top left\n";
$image->queue_draw_area (0, 0,
$image->allocation->width / 2,
$image->allocation->height / 2);
}
return 0; # propagate
});
# print "line-style is ",$cross->get('line-style'),"\n";
$cross->signal_connect (moved => sub {
print "$progname: moved ",
join (' ', map {defined $_ ? $_ : 'undef'} @_),
"\n";
});
$cross->signal_connect
(notify => sub {
my ($cross, $pspec) = @_;
my $pname = $pspec->get_name;
my $value = $cross->get($pname);
print "$progname: cross property $pname now ",
defined $value ? $value : 'undef',"\n";
});
$toplevel->show_all;
Gtk2->main;
exit 0;