85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
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/*
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* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _ardour_maschine2_knob_h_
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#define _ardour_maschine2_knob_h_
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#include <boost/shared_ptr.hpp>
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#include <sigc++/trackable.h>
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#include <cairomm/refptr.h>
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#include "pbd/signals.h"
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#include "canvas/container.h"
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namespace ArdourCanvas {
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class Text;
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}
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namespace ARDOUR {
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class AutomationControl;
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}
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namespace Cairo {
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class Context;
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class Region;
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}
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namespace ArdourSurface {
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class Maschine2;
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class M2EncoderInterface;
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class Maschine2Knob : public sigc::trackable, public ArdourCanvas::Container
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{
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public:
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Maschine2Knob (PBD::EventLoop*, ArdourCanvas::Item*);
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virtual ~Maschine2Knob ();
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void set_controllable (boost::shared_ptr<ARDOUR::AutomationControl>);
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void set_control (M2EncoderInterface*);
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boost::shared_ptr<ARDOUR::AutomationControl> controllable() const { return _controllable; }
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void render (ArdourCanvas::Rect const &, Cairo::RefPtr<Cairo::Context>) const;
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void compute_bounding_box() const;
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protected:
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void controllable_changed ();
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void encoder_changed (int);
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PBD::ScopedConnection watch_connection;
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PBD::ScopedConnection encoder_connection;
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boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
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M2EncoderInterface* _ctrl;
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private:
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PBD::EventLoop* _eventloop;
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float _radius;
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float _val; // current value [0..1]
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float _normal; // default value, arc
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ArdourCanvas::Text* text;
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};
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} // namespace
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#endif
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