2 Copyright (C) 2000-2007 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_automatable_h__
21 #define __ardour_automatable_h__
26 #include <boost/shared_ptr.hpp>
27 #include "pbd/signals.h"
28 #include "evoral/ControlSet.hpp"
29 #include "ardour/types.h"
36 class AutomationControl;
38 /* The inherited ControlSet is virtual because AutomatableSequence inherits
39 * from this AND EvoralSequence, which is also a ControlSet
41 class Automatable : virtual public Evoral::ControlSet
44 Automatable(Session&);
45 Automatable (const Automatable& other);
47 virtual ~Automatable();
49 boost::shared_ptr<Evoral::Control>
50 control_factory(const Evoral::Parameter& id);
52 boost::shared_ptr<AutomationControl>
53 automation_control (const Evoral::Parameter& id, bool create_if_missing=false);
55 boost::shared_ptr<const AutomationControl>
56 automation_control (const Evoral::Parameter& id) const;
58 virtual void add_control(boost::shared_ptr<Evoral::Control>);
59 void clear_controls ();
61 virtual void transport_located (framepos_t now);
62 virtual void transport_stopped (framepos_t now);
64 virtual std::string describe_parameter(Evoral::Parameter param);
65 virtual std::string value_as_string (boost::shared_ptr<AutomationControl>) const;
67 AutoState get_parameter_automation_state (Evoral::Parameter param);
68 virtual void set_parameter_automation_state (Evoral::Parameter param, AutoState);
70 AutoStyle get_parameter_automation_style (Evoral::Parameter param);
71 void set_parameter_automation_style (Evoral::Parameter param, AutoStyle);
73 void protect_automation ();
75 const std::set<Evoral::Parameter>& what_can_be_automated() const { return _can_automate_list; }
76 void what_has_existing_automation (std::set<Evoral::Parameter>&) const;
78 static const std::string xml_node_name;
80 int set_automation_xml_state (const XMLNode&, Evoral::Parameter default_param);
81 XMLNode& get_automation_xml_state();
86 void can_automate(Evoral::Parameter);
88 virtual void automation_list_automation_state_changed (Evoral::Parameter, AutoState) {}
90 int load_automation (const std::string& path);
91 int old_set_automation_state(const XMLNode&);
93 std::set<Evoral::Parameter> _can_automate_list;
95 framepos_t _last_automation_snapshot;
98 PBD::ScopedConnectionList _control_connections; ///< connections to our controls' signals
102 } // namespace ARDOUR
104 #endif /* __ardour_automatable_h__ */