along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#ifndef __ardour_region_h__
#include <pbd/statefuldestructible.h>
#include <ardour/ardour.h>
-#include <ardour/state_manager.h>
#include <ardour/data_type.h>
class XMLNode;
EditChangesID = 2
};
-struct RegionState : public StateManager::State
-{
- RegionState (std::string why) : StateManager::State (why) {}
-
- nframes_t _start;
- nframes_t _length;
- nframes_t _position;
- uint32_t _flags;
- nframes_t _sync_position;
- layer_t _layer;
- string _name;
- mutable RegionEditState _first_edit;
-};
-
-class Region : public PBD::StatefulDestructible, public StateManager, public boost::enable_shared_from_this<Region>
+class Region : public PBD::StatefulDestructible, public boost::enable_shared_from_this<Region>
{
public:
typedef std::vector<boost::shared_ptr<Source> > SourceList;
RightOfSplit = 0x8000,
Hidden = 0x10000,
DoNotSaveState = 0x20000,
+ PositionLocked = 0x40000,
//
range_guarantoor = USHRT_MAX
};
static Change LayerChanged;
static Change HiddenChanged;
+ sigc::signal<void,Change> StateChanged;
+
virtual ~Region();
/* Note: changing the name of a Region does not constitute an edit */
bool muted() const { return _flags & Muted; }
bool opaque () const { return _flags & Opaque; }
bool locked() const { return _flags & Locked; }
+ bool position_locked() const { return _flags & PositionLocked; }
bool automatic() const { return _flags & Automatic; }
bool whole_file() const { return _flags & WholeFile ; }
bool captured() const { return !(_flags & (Region::Flag (Region::Import|Region::External))); }
+ bool can_move() const { return !(_flags & (Locked|PositionLocked)); }
virtual bool should_save_state () const { return !(_flags & DoNotSaveState); };
void special_set_position (nframes_t);
void nudge_position (long, void *src);
+ bool at_natural_position () const;
void move_to_natural_position (void *src);
void trim_start (nframes_t new_position, void *src);
void trim_to (nframes_t position, nframes_t length, void *src);
void set_layer (layer_t l); /* ONLY Playlist can call this */
- void raise ();
- void lower ();
void raise_to_top ();
void lower_to_bottom ();
void set_muted (bool yn);
void set_opaque (bool yn);
void set_locked (bool yn);
+ void set_position_locked (bool yn);
virtual uint32_t read_data_count() const { return _read_data_count; }
- ARDOUR::Playlist* playlist() const { return _playlist; }
-
- virtual UndoAction get_memento() const = 0;
-
- void set_playlist (ARDOUR::Playlist*);
+ boost::shared_ptr<ARDOUR::Playlist> playlist() const { return _playlist.lock(); }
+ virtual void set_playlist (boost::weak_ptr<ARDOUR::Playlist>);
void source_deleted (boost::shared_ptr<Source>);
-
+
boost::shared_ptr<Source> source (uint32_t n=0) const { return _sources[ (n < _sources.size()) ? n : 0 ]; }
uint32_t n_channels() const { return _sources.size(); }
std::vector<string> master_source_names();
-
+
+ const SourceList& sources() const { return _sources; }
+ const SourceList& master_sources() const { return _master_sources; }
/* serialization */
XMLNode& get_state ();
virtual XMLNode& state (bool);
virtual int set_state (const XMLNode&);
+ virtual int set_live_state (const XMLNode&, Change&, bool send);
- boost::shared_ptr<Region> get_parent();
+ virtual boost::shared_ptr<Region> get_parent() const;
uint64_t last_layer_op() const { return _last_layer_op; }
void set_last_layer_op (uint64_t when);
+ virtual bool is_dependent() const { return false; }
+ virtual bool depends_on (boost::shared_ptr<Region> other) const { return false; }
+
protected:
friend class RegionFactory;
Region (boost::shared_ptr<Source> src, const XMLNode&);
Region (SourceList& srcs, const XMLNode&);
+ /* this one is for derived types of derived types */
+
+ Region (nframes_t start, nframes_t length, const string& name, DataType, layer_t = 0, Flag flags = DefaultFlags);
+
protected:
XMLNode& get_short_state (); /* used only by Session */
- /* state management */
-
void send_change (Change);
- /* derived classes need these during their own state management calls */
-
- void store_state (RegionState&) const;
- Change restore_and_return_flags (RegionState&);
-
void trim_to_internal (nframes_t position, nframes_t length, void *src);
bool copied() const { return _flags & Copied; }
void maybe_uncopy ();
void first_edit ();
- bool verify_start (jack_nframes_t);
- bool verify_start_and_length (jack_nframes_t, jack_nframes_t);
- bool verify_start_mutable (jack_nframes_t&_start);
- bool verify_length (jack_nframes_t);
+ virtual bool verify_start (nframes_t);
+ virtual bool verify_start_and_length (nframes_t, nframes_t);
+ virtual bool verify_start_mutable (nframes_t&_start);
+ virtual bool verify_length (nframes_t);
virtual void recompute_at_start () = 0;
virtual void recompute_at_end () = 0;
-
- PBD::ID _id;
string _name;
DataType _type;
Flag _flags;
Change _pending_changed;
uint64_t _last_layer_op; ///< timestamp
Glib::Mutex _lock;
- ARDOUR::Playlist* _playlist;
+ boost::weak_ptr<ARDOUR::Playlist> _playlist;
SourceList _sources;
/** Used when timefx are applied, so we can always use the original source */
SourceList _master_sources;