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/*
* Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.com>
*
* 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 __ardour_push2_knob_h__
#define __ardour_push2_knob_h__
#include <boost/shared_ptr.hpp>
#include <sigc++/trackable.h>
#include <cairomm/refptr.h>
#include "pbd/signals.h"
#include "canvas/container.h"
namespace ArdourCanvas {
class Text;
}
namespace ARDOUR {
class AutomationControl;
}
namespace Cairo {
class Context;
class Region;
}
namespace ArdourSurface {
class Push2;
class Push2Knob : public sigc::trackable, public ArdourCanvas::Container
{
public:
enum Element {
Arc = 0x1,
Bevel = 0x2,
unused2 = 0x4,
unused3 = 0x8,
unused4 = 0x10,
unused5 = 0x20,
};
enum Flags {
NoFlags = 0,
Detent = 0x1,
ArcToZero = 0x2,
};
Push2Knob (Push2& p, ArdourCanvas::Item*, Element e = default_elements, Flags flags = NoFlags);
virtual ~Push2Knob ();
static Element default_elements;
void add_flag (Flags);
void remove_flag (Flags);
void set_controllable (boost::shared_ptr<ARDOUR::AutomationControl> c);
boost::shared_ptr<ARDOUR::AutomationControl> controllable() const { return _controllable; }
void set_text_color (Gtkmm2ext::Color);
void set_arc_start_color (Gtkmm2ext::Color);
void set_arc_end_color (Gtkmm2ext::Color);
void set_radius (double r);
void render (ArdourCanvas::Rect const &, Cairo::RefPtr<Cairo::Context>) const;
void compute_bounding_box() const;
protected:
void controllable_changed ();
PBD::ScopedConnection watch_connection;
boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
private:
Push2& p2;
Element _elements;
Flags _flags;
double _r;
float _val; // current value [0..1]
float _normal; // default value, arc
Gtkmm2ext::Color text_color;
Gtkmm2ext::Color arc_start_color;
Gtkmm2ext::Color arc_end_color;
ArdourCanvas::Text* text;
void set_pan_azimuth_text (double);
void set_pan_width_text (double);
void set_gain_text (double);
};
} // namespace
#endif /* __ardour_push2_knob_h__ */
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