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.
20 #ifndef __libardour_pannable_h__
21 #define __libardour_pannable_h__
25 #include <boost/shared_ptr.hpp>
27 #include "pbd/stateful.h"
28 #include "evoral/Parameter.hpp"
30 #include "ardour/automatable.h"
31 #include "ardour/session_handle.h"
36 class AutomationControl;
39 class LIBARDOUR_API Pannable : public PBD::Stateful, public Automatable, public SessionHandleRef
42 Pannable (Session& s);
45 boost::shared_ptr<AutomationControl> pan_azimuth_control;
46 boost::shared_ptr<AutomationControl> pan_elevation_control;
47 boost::shared_ptr<AutomationControl> pan_width_control;
48 boost::shared_ptr<AutomationControl> pan_frontback_control;
49 boost::shared_ptr<AutomationControl> pan_lfe_control;
51 boost::shared_ptr<Panner> panner() const { return _panner.lock(); }
52 void set_panner(boost::shared_ptr<Panner>);
54 Session& session() { return _session; }
56 void set_automation_state (AutoState);
57 AutoState automation_state() const { return _auto_state; }
58 PBD::Signal1<void, AutoState> automation_state_changed;
60 void set_automation_style (AutoStyle m);
61 AutoStyle automation_style() const { return _auto_style; }
62 PBD::Signal0<void> automation_style_changed;
64 bool automation_playback() const {
65 return (_auto_state & Play) || ((_auto_state & Touch) && !touching());
67 bool automation_write () const {
68 return ((_auto_state & Write) || ((_auto_state & Touch) && touching()));
71 std::string value_as_string (boost::shared_ptr<AutomationControl>) const;
73 void start_touch (double when);
74 void stop_touch (bool mark, double when);
75 bool touching() const { return g_atomic_int_get (const_cast<gint*>(&_touching)); }
76 bool writing() const { return _auto_state == Write; }
77 bool touch_enabled() const { return _auto_state == Touch; }
79 XMLNode& get_state ();
80 XMLNode& state (bool full_state);
81 int set_state (const XMLNode&, int version);
83 bool has_state() const { return _has_state; }
86 boost::weak_ptr<Panner> _panner;
87 AutoState _auto_state;
88 AutoStyle _auto_style;
91 uint32_t _responding_to_control_auto_state_change;
93 void control_auto_state_changed (AutoState);
96 void value_changed ();
101 #endif /* __libardour_pannable_h__ */