diff options
Diffstat (limited to 'libs/ardour/ardour/automation_control.h')
| -rw-r--r-- | libs/ardour/ardour/automation_control.h | 52 |
1 files changed, 39 insertions, 13 deletions
diff --git a/libs/ardour/ardour/automation_control.h b/libs/ardour/ardour/automation_control.h index 455e8891c1..d84f0a091f 100644 --- a/libs/ardour/ardour/automation_control.h +++ b/libs/ardour/ardour/automation_control.h @@ -41,7 +41,7 @@ namespace ARDOUR { class Session; class Automatable; - +class ControlGroup; /** A PBD::Controllable with associated automation data (AutomationList) */ @@ -50,7 +50,7 @@ class LIBARDOUR_API AutomationControl , public Evoral::Control , public boost::enable_shared_from_this<AutomationControl> { -public: + public: AutomationControl(ARDOUR::Session&, const Evoral::Parameter& parameter, const ParameterDescriptor& desc, @@ -87,8 +87,6 @@ public: void stop_touch(bool mark, double when); /* inherited from PBD::Controllable. - * Derived classes MUST call ::writable() to verify - * that writing to the parameter is legal at that time. */ double get_value () const; /* inherited from PBD::Controllable. @@ -99,10 +97,11 @@ public: /* automation related value setting */ virtual bool writable () const; /* Call to ::set_value() with no test for writable() because - * this is only used by automation playback. We would like - * to make it pure virtual + * this is only used by automation playback. */ - virtual void set_value_unchecked (double val) {} + void set_value_unchecked (double val) { + actually_set_value (val, PBD::Controllable::NoGroup); + } double lower() const { return _desc.lower; } double upper() const { return _desc.upper; } @@ -117,6 +116,37 @@ public: const ARDOUR::Session& session() const { return _session; } void commit_transaction (bool did_write); + void set_group (boost::shared_ptr<ControlGroup>); + + protected: + ARDOUR::Session& _session; + boost::shared_ptr<ControlGroup> _group; + + const ParameterDescriptor _desc; + + bool check_rt (double val, Controllable::GroupControlDisposition gcd); + + /* derived classes may reimplement this, but should either + call this explicitly inside their version OR make sure that the + Controllable::Changed signal is emitted when necessary. + */ + + virtual void actually_set_value (double value, PBD::Controllable::GroupControlDisposition); +}; + +class SlavableAutomationControl : public AutomationControl +{ + public: + SlavableAutomationControl(ARDOUR::Session&, + const Evoral::Parameter& parameter, + const ParameterDescriptor& desc, + boost::shared_ptr<ARDOUR::AutomationList> l=boost::shared_ptr<ARDOUR::AutomationList>(), + const std::string& name=""); + + ~SlavableAutomationControl (); + + double get_value () const; + void add_master (boost::shared_ptr<AutomationControl>); void remove_master (boost::shared_ptr<AutomationControl>); void clear_masters (); @@ -126,11 +156,7 @@ public: PBD::Signal0<void> MasterStatusChange; - protected: - ARDOUR::Session& _session; - - const ParameterDescriptor _desc; - + protected: class MasterRecord { public: @@ -155,12 +181,12 @@ public: typedef std::map<PBD::ID,MasterRecord> Masters; Masters _masters; PBD::ScopedConnectionList masters_connections; - virtual void master_changed (bool from_self, GroupControlDisposition gcd); void master_going_away (boost::weak_ptr<AutomationControl>); virtual void recompute_masters_ratios (double val) { /* do nothing by default */} virtual double get_masters_value_locked () const; double get_value_locked() const; + }; |