canola/retro_button.h

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//
// canola - canon canola 1614p emulator
// Copyright (C) 2011 Peter Miller
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, version 3, as
// published by the Free Software Foundation.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
//

#ifndef CANOLA_RETRO_BUTTON_H
#define CANOLA_RETRO_BUTTON_H

#include <lib/config.h>
#include <gtkmm.h>

class retro_button:
    public Gtk::EventBox
{
public:
    virtual ~retro_button();

    retro_button(const char *caption, const char *color,
        const Gdk::RGBA &text_fg, bool toggle = false);

    sigc::signal<void> signal_clicked(void) { return signal_clicked_sender; }

    sigc::signal<void> signal_released(void) { return signal_released_sender; }

private:
    Glib::RefPtr<Gdk::Pixbuf> normal_image;

    Glib::RefPtr<Gdk::Pixbuf> active_image;

    Glib::RefPtr<Gdk::Pixbuf> disabled_image;

    Gtk::Image appearance;

    Gtk::Label text;

    Gtk::Alignment text_aligner;

    Gtk::Fixed layout;

    sigc::signal<void> signal_clicked_sender;

    sigc::signal<void> signal_released_sender;

    bool inside;

    bool pressed;

    bool toggle;

    bool pressed_callback(const _GdkEventButton *event);

    bool released_callback(const _GdkEventButton *event);

    bool enter_callback(const _GdkEventCrossing *event);

    bool leave_callback(const _GdkEventCrossing *event);

    void up(void);

    void down(void);

    bool active;

    retro_button();

    retro_button(const retro_button &rhs);

    retro_button &operator=(const retro_button &rhs);
};

#endif // CANOLA_RETRO_BUTTON_H