2 Copyright (C) 2010 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.
20 #ifndef __gtk_ardour_stereo_panner_h__
21 #define __gtk_ardour_stereo_panner_h__
23 #include "pbd/signals.h"
25 #include <gtkmm/drawingarea.h>
26 #include <boost/shared_ptr.hpp>
28 #include "gtkmm2ext/binding_proxy.h"
34 class StereoPanner : public Gtk::DrawingArea
37 StereoPanner (boost::shared_ptr<PBD::Controllable> pos, boost::shared_ptr<PBD::Controllable> width);
40 sigc::signal<void> StartPositionGesture;
41 sigc::signal<void> StopPositionGesture;
42 sigc::signal<void> StartWidthGesture;
43 sigc::signal<void> StopWidthGesture;
46 bool on_expose_event (GdkEventExpose*);
47 bool on_button_press_event (GdkEventButton*);
48 bool on_button_release_event (GdkEventButton*);
49 bool on_motion_notify_event (GdkEventMotion*);
50 bool on_scroll_event (GdkEventScroll*);
51 bool on_key_press_event (GdkEventKey*);
52 bool on_key_release_event (GdkEventKey*);
53 bool on_enter_notify_event (GdkEventCrossing* ev);
54 bool on_leave_notify_event (GdkEventCrossing* ev);
57 boost::shared_ptr<PBD::Controllable> position_control;
58 boost::shared_ptr<PBD::Controllable> width_control;
59 PBD::ScopedConnectionList connections;
61 bool dragging_position;
66 double accumulated_delta;
69 Gtk::Window* drag_data_window;
70 Gtk::Label* drag_data_label;
72 BindingProxy position_binder;
73 BindingProxy width_binder;
76 void set_drag_data ();
92 static ColorScheme colors[3];
93 static void set_colors ();
94 static bool have_colors;
95 void color_handler ();
98 #endif /* __gtk_ardour_stereo_panner_h__ */