/*
    Copyright (C) 2005 Paul Davis

    This program 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 2 of the License, or
    (at your option) any later version.

    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, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    $Id$
*/

#ifndef __pbd_gtkmm_abutton_h__
#define __pbd_gtkmm_abutton_h__

#include <vector>

#include <gtkmm/togglebutton.h>

namespace Gtkmm2ext {

class StateButton 
{
   public:
	StateButton();
	virtual ~StateButton() {}

	void set_colors (const std::vector<Gdk::Color>& colors);
	void set_visual_state (int);
	int  get_visual_state () { return visual_state; }

  protected:
	std::vector<Gdk::Color> colors;
	int  visual_state;
	Gdk::Color saved_bg;
	bool have_saved_bg;
	
	virtual void bg_modify (Gtk::StateType, Gdk::Color) = 0;
};


class StatefulToggleButton : public StateButton, public Gtk::ToggleButton
{
   public:
	StatefulToggleButton() {}
	explicit StatefulToggleButton(const std::string &label) : Gtk::ToggleButton (label) {}
	~StatefulToggleButton() {}

  protected:
	void on_realize ();
	void on_toggled ();

	void bg_modify (Gtk::StateType state, Gdk::Color col) { 
		modify_bg (state, col);
	}
};

class StatefulButton : public StateButton, public Gtk::Button
{
   public:
	StatefulButton() {}
	explicit StatefulButton(const std::string &label) : Gtk::Button (label) {}
	virtual ~StatefulButton() {}

  protected:
	void on_realize ();

	void bg_modify (Gtk::StateType state, Gdk::Color col) { 
		modify_bg (state, col);
	}
};

};

#endif