77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
#ifndef __gtk_ardour_tempo_curve_h__
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#define __gtk_ardour_tempo_curve_h__
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#include <string>
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#include <glib.h>
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#include <sigc++/signal.h>
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#include "ardour/ardour.h"
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#include "pbd/signals.h"
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#include "canvas/types.h"
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#include "canvas/framed_curve.h"
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#include "canvas/text.h"
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namespace ARDOUR {
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class TempoSection;
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}
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class PublicEditor;
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class TempoCurve : public sigc::trackable
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{
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public:
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TempoCurve (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, ARDOUR::TempoSection& temp, framepos_t frame, bool handle_events);
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~TempoCurve ();
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static PBD::Signal1<void,TempoCurve*> CatchDeletion;
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static void setup_sizes (const double timebar_height);
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ArdourCanvas::Item& the_item() const;
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void canvas_height_set (double);
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void set_position (framepos_t lower, framepos_t upper);
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void set_color_rgba (uint32_t rgba);
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framepos_t position() const { return frame_position; }
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ArdourCanvas::Container * get_parent() { return _parent; }
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void reparent (ArdourCanvas::Container & parent);
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void hide ();
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void show ();
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ARDOUR::TempoSection& tempo () const { return _tempo; }
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void set_max_tempo (const double& max) { _max_tempo = max; }
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void set_min_tempo (const double& min) { _min_tempo = min; }
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protected:
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PublicEditor& editor;
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ArdourCanvas::Container* _parent;
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ArdourCanvas::Container *group;
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ArdourCanvas::Points *points;
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ArdourCanvas::FramedCurve* _curve;
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double unit_position;
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framepos_t frame_position;
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framepos_t _end_frame;
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bool _shown;
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double _canvas_height;
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uint32_t _color;
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void reposition ();
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private:
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double _min_tempo;
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double _max_tempo;
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/* disallow copy construction */
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TempoCurve (TempoCurve const &);
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TempoCurve & operator= (TempoCurve const &);
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ARDOUR::TempoSection& _tempo;
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ArdourCanvas::Text *_start_text;
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ArdourCanvas::Text *_end_text;
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};
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#endif /* __gtk_ardour_tempo_curve_h__ */
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