2 Copyright (C) 2002 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 __ardour_automation_event_h__
21 #define __ardour_automation_event_h__
27 #include <glibmm/threads.h>
30 #include "pbd/xml++.h"
31 #include "pbd/statefuldestructible.h"
32 #include "pbd/properties.h"
34 #include "ardour/ardour.h"
36 #include "evoral/ControlList.hpp"
42 /** A SharedStatefulProperty for AutomationLists */
43 class AutomationListProperty : public PBD::SharedStatefulProperty<AutomationList>
46 AutomationListProperty (PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > d, Ptr p)
47 : PBD::SharedStatefulProperty<AutomationList> (d.property_id, p)
50 AutomationListProperty (PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > d, Ptr o, Ptr c)
51 : PBD::SharedStatefulProperty<AutomationList> (d.property_id, o, c)
54 PBD::PropertyBase* clone () const;
57 /* No copy-construction nor assignment */
58 AutomationListProperty (AutomationListProperty const &);
59 AutomationListProperty& operator= (AutomationListProperty const &);
62 class AutomationList : public PBD::StatefulDestructible, public Evoral::ControlList
65 AutomationList (Evoral::Parameter id);
66 AutomationList (const XMLNode&, Evoral::Parameter id);
67 AutomationList (const AutomationList&);
68 AutomationList (const AutomationList&, double start, double end);
71 virtual boost::shared_ptr<Evoral::ControlList> create(Evoral::Parameter id);
73 AutomationList& operator= (const AutomationList&);
74 bool operator== (const AutomationList&);
78 void set_automation_state (AutoState);
79 AutoState automation_state() const { return _state; }
80 PBD::Signal1<void, AutoState> automation_state_changed;
82 void set_automation_style (AutoStyle m);
83 AutoStyle automation_style() const { return _style; }
84 PBD::Signal0<void> automation_style_changed;
86 bool automation_playback() const {
87 return (_state & Play) || ((_state & Touch) && !touching());
89 bool automation_write () const {
90 return ((_state & Write) || ((_state & Touch) && touching()));
93 PBD::Signal0<void> StateChanged;
95 static PBD::Signal1<void,AutomationList*> AutomationListCreated;
97 void start_touch (double when);
98 void stop_touch (bool mark, double when);
99 bool touching() const { return g_atomic_int_get (const_cast<gint*>(&_touching)); }
100 bool writing() const { return _state == Write; }
101 bool touch_enabled() const { return _state == Touch; }
103 XMLNode& get_state ();
104 int set_state (const XMLNode &, int version);
105 XMLNode& state (bool full);
106 XMLNode& serialize_events ();
108 bool operator!= (const AutomationList &) const;
111 void create_curve_if_necessary ();
112 int deserialize_events (const XMLNode&);
114 void maybe_signal_changed ();
123 #endif /* __ardour_automation_event_h__ */