198 lines
6.9 KiB
C++
198 lines
6.9 KiB
C++
/*
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Copyright (C) 2006 Paul Davis
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This program is free software; you can redistribute it
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and/or modify it under the terms of the GNU Lesser
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General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your
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option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef ardour_control_protocols_h
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#define ardour_control_protocols_h
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#include <string>
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#include <vector>
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#include <list>
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#include <boost/shared_ptr.hpp>
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#include "pbd/stateful.h"
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#include "pbd/signals.h"
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#include "control_protocol/visibility.h"
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#include "control_protocol/basic_ui.h"
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#include "control_protocol/types.h"
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namespace ARDOUR {
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class Route;
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class Session;
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class Bundle;
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class Stripable;
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class LIBCONTROLCP_API ControlProtocol : public PBD::Stateful, public PBD::ScopedConnectionList, public BasicUI
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{
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public:
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ControlProtocol (Session&, std::string name);
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virtual ~ControlProtocol();
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std::string name() const { return _name; }
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virtual int set_active (bool yn);
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bool active() const { return _active; }
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virtual int set_feedback (bool /*yn*/) { return 0; }
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virtual bool get_feedback () const { return false; }
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virtual void midi_connectivity_established () {}
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PBD::Signal0<void> ActiveChanged;
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/* signals that a control protocol can emit and other (presumably graphical)
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user interfaces can respond to
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*/
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static PBD::Signal0<void> ZoomToSession;
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static PBD::Signal0<void> ZoomIn;
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static PBD::Signal0<void> ZoomOut;
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static PBD::Signal0<void> Enter;
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static PBD::Signal0<void> Undo;
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static PBD::Signal0<void> Redo;
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static PBD::Signal1<void,float> ScrollTimeline;
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static PBD::Signal1<void,uint32_t> GotoView;
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static PBD::Signal0<void> CloseDialog;
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static PBD::Signal0<void> VerticalZoomInAll;
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static PBD::Signal0<void> VerticalZoomOutAll;
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static PBD::Signal0<void> VerticalZoomInSelected;
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static PBD::Signal0<void> VerticalZoomOutSelected;
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static PBD::Signal0<void> StepTracksDown;
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static PBD::Signal0<void> StepTracksUp;
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static PBD::Signal1<void,boost::shared_ptr<ARDOUR::Stripable> > AddStripableToSelection;
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static PBD::Signal1<void,boost::shared_ptr<ARDOUR::Stripable> > SetStripableSelection;
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static PBD::Signal1<void,boost::shared_ptr<ARDOUR::Stripable> > ToggleStripableSelection;
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static PBD::Signal1<void,boost::shared_ptr<ARDOUR::Stripable> > RemoveStripableFromSelection;
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static PBD::Signal0<void> ClearStripableSelection;
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/* signals that one UI (e.g. the GUI) can emit to get all other UI's to
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respond. Typically this will always be GUI->"others" - the GUI pays
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no attention to these signals.
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*/
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static PBD::Signal1<void,StripableNotificationListPtr> StripableSelectionChanged;
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static boost::shared_ptr<ARDOUR::Stripable> first_selected_stripable ();
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static void set_first_selected_stripable (boost::shared_ptr<ARDOUR::Stripable>);
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static boost::shared_ptr<ARDOUR::Stripable> leftmost_mixer_stripable ();
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static void set_leftmost_mixer_stripable (boost::shared_ptr<ARDOUR::Stripable>);
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/* the model here is as follows:
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we imagine most control surfaces being able to control
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from 1 to N tracks at a time, with a session that may
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contain 1 to M tracks, where M may be smaller, larger or
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equal to N.
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the control surface has a fixed set of physical controllers
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which can potentially be mapped onto different tracks/busses
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via some mechanism.
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therefore, the control protocol object maintains
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a table that reflects the current mapping between
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the controls and route object.
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*/
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void set_route_table_size (uint32_t size);
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void set_route_table (uint32_t table_index, boost::shared_ptr<ARDOUR::Route>);
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bool set_route_table (uint32_t table_index, uint32_t remote_control_id);
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void route_set_rec_enable (uint32_t table_index, bool yn);
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bool route_get_rec_enable (uint32_t table_index);
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float route_get_gain (uint32_t table_index);
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void route_set_gain (uint32_t table_index, float);
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float route_get_effective_gain (uint32_t table_index);
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float route_get_peak_input_power (uint32_t table_index, uint32_t which_input);
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bool route_get_muted (uint32_t table_index);
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void route_set_muted (uint32_t table_index, bool);
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bool route_get_soloed (uint32_t table_index);
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void route_set_soloed (uint32_t table_index, bool);
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std::string route_get_name (uint32_t table_index);
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virtual std::list<boost::shared_ptr<ARDOUR::Bundle> > bundles ();
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virtual bool has_editor () const { return false; }
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virtual void* get_gui() const { return 0; }
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virtual void tear_down_gui() { }
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XMLNode& get_state ();
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int set_state (XMLNode const &, int version);
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static const std::string state_node_name;
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static StripableNotificationList const & last_selected() { return _last_selected; }
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protected:
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std::vector<boost::shared_ptr<ARDOUR::Route> > route_table;
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std::string _name;
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void next_track (uint32_t initial_id);
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void prev_track (uint32_t initial_id);
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private:
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LIBCONTROLCP_LOCAL ControlProtocol (const ControlProtocol&); /* noncopyable */
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bool _active;
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static Glib::Threads::Mutex special_stripable_mutex;
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static boost::weak_ptr<ARDOUR::Stripable> _leftmost_mixer_stripable;
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static boost::weak_ptr<ARDOUR::Stripable> _first_selected_stripable;
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static StripableNotificationList _last_selected;
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static void stripable_selection_changed (StripableNotificationListPtr);
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static bool selection_connected;
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static PBD::ScopedConnection selection_connection;
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};
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extern "C" {
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class ControlProtocolDescriptor {
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public:
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const char* name; /* descriptive */
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const char* id; /* unique and version-specific */
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void* ptr; /* protocol can store a value here */
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void* module; /* not for public access */
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int mandatory; /* if non-zero, always load and do not make optional */
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bool supports_feedback; /* if true, protocol has toggleable feedback mechanism */
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bool (*probe)(ControlProtocolDescriptor*);
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ControlProtocol* (*initialize)(ControlProtocolDescriptor*,Session*);
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void (*destroy)(ControlProtocolDescriptor*,ControlProtocol*);
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/* this is required if the control protocol connects to signals
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from libardour. they all do. It should allocate a
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type-specific request buffer for the calling thread, and
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store it in a thread-local location that will be used to
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find it when sending the event loop a message
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(e.g. call_slot()). It should also return the allocated
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buffer as a void*.
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*/
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void* (*request_buffer_factory)(uint32_t);
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};
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}
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}
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#endif // ardour_control_protocols_h
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