2 Copyright (C) 2016 Paul Davis
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2 of the License, or (at your option)
9 This program is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation, Inc.,
16 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __ardour_solo_control_h__
20 #define __ardour_solo_control_h__
24 #include <boost/shared_ptr.hpp>
26 #include "ardour/automation_control.h"
27 #include "ardour/libardour_visibility.h"
35 class LIBARDOUR_API SoloControl : public SlavableAutomationControl
38 SoloControl (Session& session, std::string const & name, Soloable& soloable, Muteable& m);
40 double get_value () const;
42 /* Export additional API so that objects that only get access
43 * to a Controllable/AutomationControl can do more fine-grained
44 * operations with respect to solo. Obviously, they would need
45 * to dynamic_cast<SoloControl> first.
47 * Solo state is not representable by a single scalar value,
48 * so set_value() and get_value() is not enough.
50 * This means that the Controllable is technically
51 * asymmetric. It is possible to call ::set_value (0.0) to
52 * disable (self)solo, and then call ::get_value() and get a
53 * return of 1.0 because the control is soloed by
54 * upstream/downstream or a master.
57 void mod_solo_by_others_upstream (int32_t delta);
58 void mod_solo_by_others_downstream (int32_t delta);
60 /* API to check different aspects of solo substate
63 bool soloed_by_others () const {
64 return _soloed_by_others_downstream || _soloed_by_others_downstream;
66 uint32_t soloed_by_others_upstream () const {
67 return _soloed_by_others_upstream;
69 uint32_t soloed_by_others_downstream () const {
70 return _soloed_by_others_downstream;
72 bool self_soloed () const {
75 bool soloed() const { return self_soloed() || soloed_by_others(); }
77 void clear_all_solo_state ();
79 int set_state (XMLNode const&, int);
80 XMLNode& get_state ();
83 void master_changed (bool, PBD::Controllable::GroupControlDisposition);
84 void actually_set_value (double, PBD::Controllable::GroupControlDisposition group_override);
90 uint32_t _soloed_by_others_upstream;
91 uint32_t _soloed_by_others_downstream;
93 void set_self_solo (bool yn);
94 void set_mute_master_solo ();
99 #endif /* __libardour_solo_control_h__ */