2 Copyright (C) 2011 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __gtk2_ardour_shuttle_control_h__
20 #define __gtk2_ardour_shuttle_control_h__
22 #include <gtkmm/drawingarea.h>
24 #include "gtkmm2ext/binding_proxy.h"
26 #include "pbd/controllable.h"
27 #include "ardour/session_handle.h"
33 #include "ardour/types.h"
35 class ShuttleControl : public CairoWidget, public ARDOUR::SessionHandlePtr
41 void map_transport_state ();
42 void update_speed_display ();
43 void set_shuttle_fract (double, bool zero_ok = false);
44 double get_shuttle_fract () const { return shuttle_fract; }
45 void set_session (ARDOUR::Session*);
47 struct ShuttleControllable : public PBD::Controllable {
48 ShuttleControllable (ShuttleControl&);
49 void set_value (double);
50 double get_value (void) const;
52 double lower() const { return -1.0; }
53 double upper() const { return 1.0; }
58 boost::shared_ptr<ShuttleControllable> controllable() const { return _controllable; }
62 float shuttle_max_speed;
63 float last_speed_displayed;
65 double shuttle_speed_on_grab;
67 boost::shared_ptr<ShuttleControllable> _controllable;
68 cairo_pattern_t* pattern;
69 cairo_pattern_t* shine_pattern;
70 ARDOUR::microseconds_t last_shuttle_request;
71 PBD::ScopedConnection parameter_connection;
72 Gtk::Menu* shuttle_unit_menu;
73 Gtk::Menu* shuttle_style_menu;
74 Gtk::Menu* shuttle_context_menu;
75 BindingProxy binding_proxy;
77 void build_shuttle_context_menu ();
78 void show_shuttle_context_menu ();
79 void shuttle_style_changed();
80 void shuttle_unit_clicked ();
81 void set_shuttle_max_speed (float);
83 bool on_enter_notify_event (GdkEventCrossing*);
84 bool on_leave_notify_event (GdkEventCrossing*);
85 bool on_button_press_event (GdkEventButton*);
86 bool on_button_release_event(GdkEventButton*);
87 bool on_scroll_event (GdkEventScroll*);
88 bool on_motion_notify_event(GdkEventMotion*);
90 void render (cairo_t *);
92 void on_size_allocate (Gtk::Allocation&);
93 bool on_query_tooltip (int, int, bool, const Glib::RefPtr<Gtk::Tooltip>&);
95 gint mouse_shuttle (double x, bool force);
96 void use_shuttle_fract (bool force, bool zero_ok = false);
97 void parameter_changed (std::string);
99 void set_shuttle_units (ARDOUR::ShuttleUnits);
100 void set_shuttle_style (ARDOUR::ShuttleBehaviour);
102 int speed_as_semitones (float, bool&);
103 int fract_as_semitones (float, bool&);
105 float semitones_as_speed (int, bool);
106 float semitones_as_fract (int, bool);
109 #endif /* __gtk2_ardour_shuttle_control_h__ */