1 #ifndef __gtk_ardour_tempo_curve_h__
2 #define __gtk_ardour_tempo_curve_h__
7 #include <sigc++/signal.h>
9 #include "ardour/ardour.h"
10 #include "pbd/signals.h"
12 #include "canvas/types.h"
13 #include "canvas/framed_curve.h"
20 class TempoCurve : public sigc::trackable
23 TempoCurve (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, ARDOUR::TempoSection& temp, framepos_t frame, bool handle_events);
26 static PBD::Signal1<void,TempoCurve*> CatchDeletion;
28 static void setup_sizes (const double timebar_height);
30 ArdourCanvas::Item& the_item() const;
31 void canvas_height_set (double);
33 void set_position (framepos_t lower, framepos_t upper);
34 void set_color_rgba (uint32_t rgba);
35 framepos_t position() const { return frame_position; }
37 ArdourCanvas::Container * get_parent() { return _parent; }
38 void reparent (ArdourCanvas::Container & parent);
43 ARDOUR::TempoSection& tempo () { return _tempo; }
45 void set_max_tempo (const double& max) { _max_tempo = max; }
46 void set_min_tempo (const double& min) { _min_tempo = min; }
51 ArdourCanvas::Container* _parent;
52 ArdourCanvas::Container *group;
53 ArdourCanvas::Points *points;
54 ArdourCanvas::FramedCurve* _curve;
57 framepos_t frame_position;
58 framepos_t _end_frame;
60 double _canvas_height;
67 /* disallow copy construction */
68 TempoCurve (TempoCurve const &);
69 TempoCurve & operator= (TempoCurve const &);
70 ARDOUR::TempoSection& _tempo;
73 #endif /* __gtk_ardour_tempo_curve_h__ */