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"
38 class StereoPanner : public Gtk::DrawingArea
41 StereoPanner (boost::shared_ptr<ARDOUR::Panner>);
44 sigc::signal<void> StartPositionGesture;
45 sigc::signal<void> StopPositionGesture;
46 sigc::signal<void> StartWidthGesture;
47 sigc::signal<void> StopWidthGesture;
50 bool on_expose_event (GdkEventExpose*);
51 bool on_button_press_event (GdkEventButton*);
52 bool on_button_release_event (GdkEventButton*);
53 bool on_motion_notify_event (GdkEventMotion*);
54 bool on_scroll_event (GdkEventScroll*);
55 bool on_key_press_event (GdkEventKey*);
56 bool on_key_release_event (GdkEventKey*);
57 bool on_enter_notify_event (GdkEventCrossing* ev);
58 bool on_leave_notify_event (GdkEventCrossing* ev);
61 boost::shared_ptr<ARDOUR::Panner> _panner;
62 boost::shared_ptr<PBD::Controllable> position_control;
63 boost::shared_ptr<PBD::Controllable> width_control;
64 PBD::ScopedConnectionList connections;
66 bool dragging_position;
71 double accumulated_delta;
74 Gtk::Window* drag_data_window;
75 Gtk::Label* drag_data_label;
77 BindingProxy position_binder;
78 BindingProxy width_binder;
81 void set_drag_data ();
97 static ColorScheme colors[3];
98 static void set_colors ();
99 static bool have_colors;
100 void color_handler ();
103 #endif /* __gtk_ardour_stereo_panner_h__ */