93 lines
1.9 KiB
C++
93 lines
1.9 KiB
C++
#ifndef __ardour_push2_knob_h__
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#define __ardour_push2_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 Push2;
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class Push2Knob : public sigc::trackable, public ArdourCanvas::Container
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{
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public:
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enum Element {
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Arc = 0x1,
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Bevel = 0x2,
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unused2 = 0x4,
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unused3 = 0x8,
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unused4 = 0x10,
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unused5 = 0x20,
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};
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enum Flags {
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NoFlags = 0,
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Detent = 0x1,
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ArcToZero = 0x2,
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};
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Push2Knob (Push2& p, ArdourCanvas::Item*, Element e = default_elements, Flags flags = NoFlags);
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virtual ~Push2Knob ();
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static Element default_elements;
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void add_flag (Flags);
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void remove_flag (Flags);
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void set_controllable (boost::shared_ptr<ARDOUR::AutomationControl> c);
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boost::shared_ptr<ARDOUR::AutomationControl> controllable() const { return _controllable; }
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void set_text_color (ArdourCanvas::Color);
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void set_arc_start_color (ArdourCanvas::Color);
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void set_arc_end_color (ArdourCanvas::Color);
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void set_radius (double r);
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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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PBD::ScopedConnection watch_connection;
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boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
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private:
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Push2& p2;
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Element _elements;
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Flags _flags;
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double _r;
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float _val; // current value [0..1]
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float _normal; // default value, arc
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ArdourCanvas::Color text_color;
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ArdourCanvas::Color arc_start_color;
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ArdourCanvas::Color arc_end_color;
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ArdourCanvas::Text* text;
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void set_pan_azimuth_text (double);
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void set_pan_width_text (double);
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void set_gain_text (double);
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};
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} // namespace
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#endif /* __ardour_push2_knob_h__ */
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