gtk2_ardour/led.h

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/*
 * 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__ */