#!/usr/bin/perl -w

use strict;

package Mup::ColorButton;

use Gtk2;
use base 'Gtk2::Button';

sub new {
        my $class = shift;
        my %params = (
                red => 0xffff,
                green => 0xffff,
                blue => 0xffff,
                @_,
        );

        my $self = bless Gtk2::Button->new (), $class;
        my $frame = Gtk2::Frame->new;
        $frame->set_border_width (3);
        $frame->set_shadow_type ('etched-in');
        $self->add ($frame);
        $frame->show;
        my $event_box = Gtk2::EventBox->new;
        $event_box->set_size_request (14, 14);
        $frame->add ($event_box);
        $event_box->show;
        $self->{colorbox} = $event_box;

        $self->set_color (%params);

        return $self;
}

sub set_color {
        my $self = shift;
        my %params = @_;
        my $color = Gtk2::Gdk::Color->new ($params{red},
                                           $params{green},
                                           $params{blue});
        $self->{colorbox}->get_colormap->alloc_color ($color, 0, 1);
        $self->{colorbox}->modify_bg ('normal', $color);
        $self->{colorbox}->modify_bg ('active', $color);
        $self->{colorbox}->modify_bg ('prelight', $color);
        $self->{red} = $params{red};
        $self->{green} = $params{green};
        $self->{blue} = $params{blue};
}

package main;

use Gtk2 -init;

my $window = Gtk2::Window->new;
$window->set_title ('Color buttons');
$window->set_border_width (6);
$window->signal_connect (delete_event => sub { Gtk2->main_quit; 1 });

my $vbox = Gtk2::VBox->new;
$window->add ($vbox);
$vbox->show;

my $foo = Mup::ColorButton->new (red => 0xaaaa, green => 0x0, blue => 0xffff);
$vbox->pack_start ($foo, 1, 1, 0);
$foo->show;

$foo->signal_connect (clicked => sub {
                my $self = shift;
                my $dialog = Gtk2::ColorSelectionDialog->new ('pick a color');
                my $c = Gtk2::Gdk::Color->new ($self->{red},
                                               $self->{green},
                                               $self->{blue});
                $self->{colorbox}->get_colormap->alloc_color ($c, 0, 1);
                $dialog->colorsel->set_current_color ($c);
                if ('ok' eq $dialog->run) {
                        my $c = $dialog->colorsel->get_current_color;
                        $self->set_color (red => $c->red,
                                          green => $c->green,
                                          blue => $c->blue);
                }
                $dialog->destroy;
        });

$window->show;
Gtk2->main;