livetrax/gtk2_ardour/led.h

/*
 * Copyright (C) 2010-2011 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2011 David Robillard <d@drobilla.net>
 * Copyright (C) 2014-2017 Robin Gareus <robin@gareus.org>
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef __gtk2_ardour_led_h__
#define __gtk2_ardour_led_h__

#include <stdint.h>

#include "gtkmm2ext/cairo_widget.h"

class LED : public CairoWidget
{
public:
	LED ();
	virtual ~LED ();

	void set_diameter (float);

protected:
	void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
	void on_size_request (Gtk::Requisition* req);
	void on_realize ();

private:
	float _diameter;
	float _red;
	float _green;
	float _blue;
	bool  _fixed_diameter;

	void set_colors_from_style ();
};

#endif /* __gtk2_ardour_led_h__ */