diff options
author | Paul Davis <paul@linuxaudiosystems.com> | 2016-04-08 16:51:34 -0400 |
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committer | Paul Davis <paul@linuxaudiosystems.com> | 2016-05-31 15:30:40 -0400 |
commit | 4aa1c242ab1e1bf4fc3575c5d88a22824976a04f (patch) | |
tree | f71d4c56255a9c72bfd582668d03caed1d2c731c /libs/ardour/ardour/control_group.h | |
parent | 653ae4acd639fef149314fe6f8c7a0d862afae40 (diff) |
add new files to source tree
Diffstat (limited to 'libs/ardour/ardour/control_group.h')
-rw-r--r-- | libs/ardour/ardour/control_group.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/libs/ardour/ardour/control_group.h b/libs/ardour/ardour/control_group.h new file mode 100644 index 0000000000..e1b83bb7b4 --- /dev/null +++ b/libs/ardour/ardour/control_group.h @@ -0,0 +1,108 @@ +/* + Copyright (C) 2016 Paul Davis + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef __libardour_control_group_h__ +#define __libardour_control_group_h__ + +#include <map> +#include <vector> + +#include <boost/shared_ptr.hpp> +#include <boost/enable_shared_from_this.hpp> + +#include <glibmm/threads.h> + +#include "pbd/controllable.h" + +#include "evoral/Parameter.hpp" + +#include "ardour/automation_control.h" +#include "ardour/types.h" + +namespace ARDOUR { + +class LIBARDOUR_API ControlGroup : public boost::enable_shared_from_this<ControlGroup> +{ + public: + ControlGroup (Evoral::Parameter p); + virtual ~ControlGroup (); + + enum Mode { + Relative = 0x1, + Inverted = 0x2, + }; + + int add_control (boost::shared_ptr<AutomationControl>); + int remove_control (boost::shared_ptr<AutomationControl>); + + ControlList controls () const; + + void clear (); + + void set_active (bool); + bool active() const { return _active; } + + void set_mode (Mode m); + Mode mode () const { return _mode; } + + Evoral::Parameter parameter() const { return _parameter; } + + virtual void set_group_value (boost::shared_ptr<AutomationControl>, double val); + + bool use_me (PBD::Controllable::GroupControlDisposition gcd) const { + switch (gcd) { + case PBD::Controllable::ForGroup: + return false; + case PBD::Controllable::NoGroup: + return false; + case PBD::Controllable::InverseGroup: + return !_active; + default: + return _active; + } + } + + protected: + typedef std::map<PBD::ID,boost::shared_ptr<AutomationControl> > ControlMap; + Evoral::Parameter _parameter; + mutable Glib::Threads::RWLock controls_lock; + ControlMap _controls; + bool _active; + Mode _mode; + PBD::ScopedConnectionList member_connections; + bool propagating; + + void control_going_away (boost::weak_ptr<AutomationControl>); +}; + + +class LIBARDOUR_API GainControlGroup : public ControlGroup +{ + public: + GainControlGroup(); + + void set_group_value (boost::shared_ptr<AutomationControl>, double val); + + private: + gain_t get_max_factor (gain_t); + gain_t get_min_factor (gain_t); +}; + +} /* namespace */ + +#endif /* __libardour_control_group_h__ */ |