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"
19 class TempoCurve : public sigc::trackable
22 TempoCurve (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, ARDOUR::TempoSection& temp, framepos_t frame, bool handle_events);
25 static PBD::Signal1<void,TempoCurve*> CatchDeletion;
27 static void setup_sizes (const double timebar_height);
29 ArdourCanvas::Item& the_item() const;
30 void canvas_height_set (double);
32 void set_position (framepos_t lower, framepos_t upper);
33 void set_color_rgba (uint32_t rgba);
34 framepos_t position() const { return frame_position; }
36 ArdourCanvas::Container * get_parent() { return _parent; }
37 void reparent (ArdourCanvas::Container & parent);
42 ARDOUR::TempoSection& tempo () { return _tempo; }
44 void set_max_tempo (const double& max) { _max_tempo = max; }
45 void set_min_tempo (const double& min) { _min_tempo = min; }
50 ArdourCanvas::Container* _parent;
51 ArdourCanvas::Container *group;
52 ArdourCanvas::Points *points;
53 ArdourCanvas::Rectangle* _background;
54 ArdourCanvas::Curve* _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__ */