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);
41 bool on_expose_event (GdkEventExpose*);
42 bool on_button_press_event (GdkEventButton*);
43 bool on_button_release_event (GdkEventButton*);
44 bool on_motion_notify_event (GdkEventMotion*);
45 bool on_scroll_event (GdkEventScroll*);
46 bool on_key_press_event (GdkEventKey*);
47 bool on_key_release_event (GdkEventKey*);
48 bool on_enter_notify_event (GdkEventCrossing* ev);
49 bool on_leave_notify_event (GdkEventCrossing* ev);
52 boost::shared_ptr<PBD::Controllable> position_control;
53 boost::shared_ptr<PBD::Controllable> width_control;
54 PBD::ScopedConnectionList connections;
56 bool dragging_position;
61 double accumulated_delta;
64 Gtk::Window* drag_data_window;
65 Gtk::Label* drag_data_label;
67 BindingProxy position_binder;
68 BindingProxy width_binder;
71 void set_drag_data ();
86 static ColorScheme colors[3];
87 static void set_colors ();
88 static bool have_colors;
89 static PBD::Signal0<void> color_change;
92 #endif /* __gtk_ardour_stereo_panner_h__ */