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>
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:
enum Flag {
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 */
nframes_t position () const { return _position; }
nframes_t start () const { return _start; }
nframes_t length() const { return _length; }
- layer_t layer () const { return _layer; }
-
+ layer_t layer () const { return _layer; }
+
+ /* these two are valid ONLY during a StateChanged signal handler */
+
+ nframes_t last_position() const { return _last_position; }
+ nframes_t last_length() const { return _last_length; }
+
+ nframes64_t ancestral_start () const { return _ancestral_start; }
+ nframes64_t ancestral_length () const { return _ancestral_length; }
+ float stretch() const { return _stretch; }
+ float shift() const { return _shift; }
+
+ void set_ancestral_data (nframes64_t start, nframes64_t length, float stretch, float shift);
+
nframes_t sync_offset(int& dir) const;
nframes_t sync_position() const;
void thaw (const string& why);
bool covers (nframes_t frame) const {
- return first_frame() <= frame && frame < last_frame();
+ return first_frame() <= frame && frame <= last_frame();
}
OverlapType coverage (nframes_t start, nframes_t end) const {
void set_position (nframes_t, void *src);
void set_position_on_top (nframes_t, void *src);
void special_set_position (nframes_t);
- void nudge_position (long, void *src);
+ void nudge_position (nframes64_t, void *src);
+ bool at_natural_position () const;
void move_to_natural_position (void *src);
void trim_start (nframes_t new_position, void *src);
void clear_sync_position ();
void set_hidden (bool yn);
void set_muted (bool yn);
- void set_opaque (bool yn);
+ void set_opaque (bool yn);
void set_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*);
-
- virtual void lock_sources () {}
- virtual void unlock_sources () {}
+ boost::shared_ptr<ARDOUR::Playlist> playlist() const { return _playlist.lock(); }
+ virtual void set_playlist (boost::weak_ptr<ARDOUR::Playlist>);
/* serialization */
XMLNode& get_state ();
virtual XMLNode& state (bool);
virtual int set_state (const XMLNode&);
+ virtual int set_live_state (const XMLNode&, Change&, bool send);
- virtual boost::shared_ptr<Region> get_parent() = 0;
+ virtual boost::shared_ptr<Region> get_parent() const = 0;
uint64_t last_layer_op() const { return _last_layer_op; }
void set_last_layer_op (uint64_t when);
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 first_edit ();
virtual bool verify_start (nframes_t) = 0;
- virtual bool verify_start_and_length (nframes_t, nframes_t) = 0;
+ virtual bool verify_start_and_length (nframes_t, nframes_t&) = 0;
virtual bool verify_start_mutable (nframes_t&_start) = 0;
- virtual bool verify_length (nframes_t) = 0;
+ virtual bool verify_length (nframes_t&) = 0;
virtual void recompute_at_start () = 0;
virtual void recompute_at_end () = 0;
- nframes_t _start;
- nframes_t _length;
- nframes_t _position;
- Flag _flags;
- nframes_t _sync_position;
+ nframes_t _start;
+ nframes_t _length;
+ nframes_t _last_length;
+ nframes_t _position;
+ nframes_t _last_position;
+ Flag _flags;
+ nframes_t _sync_position;
layer_t _layer;
string _name;
mutable RegionEditState _first_edit;
int _frozen;
Glib::Mutex lock;
- ARDOUR::Playlist* _playlist;
+ boost::weak_ptr<ARDOUR::Playlist> _playlist;
mutable uint32_t _read_data_count; // modified in read()
Change pending_changed;
uint64_t _last_layer_op; // timestamp
+ nframes64_t _ancestral_start;
+ nframes64_t _ancestral_length;
+ float _stretch;
+ float _shift;
};
} /* namespace ARDOUR */