X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrackchain.h;h=74d194884e48eac531991f3f552bd95302abd612;hb=8c7fc0b79ce88e0295e0e6ea52cb7eb753158d8a;hp=e73e23bd11309711b909a98803410c05d8bf399e;hpb=73edcbd8841752a2722fc8b3927fee2abbbba750;p=r2c2.git

diff --git a/source/libr2c2/trackchain.h b/source/libr2c2/trackchain.h
index e73e23b..74d1948 100644
--- a/source/libr2c2/trackchain.h
+++ b/source/libr2c2/trackchain.h
@@ -4,6 +4,7 @@
 #include <set>
 #include <stdexcept>
 #include <sigc++/trackable.h>
+#include <msp/datafile/statement.h>
 #include "trackiter.h"
 
 namespace R2C2 {
@@ -22,6 +23,13 @@ public:
 class TrackChain: public sigc::trackable
 {
 public:
+	enum Direction
+	{
+		UNSPECIFIED,
+		UP,
+		DOWN
+	};
+
 	typedef std::set<Track *> TrackSet;
 
 protected:
@@ -33,7 +41,14 @@ protected:
 		INCOMPATIBLE
 	};
 
+public:
+	sigc::signal<void, const std::string &> signal_name_changed;
+	sigc::signal<void, Track &> signal_track_added;
+	sigc::signal<void, Track &> signal_track_removed;
+
+protected:
 	Layout &layout;
+	std::string name;
 	TrackSet tracks;
 	TrackIter ends[2];
 
@@ -41,6 +56,9 @@ protected:
 public:
 	virtual ~TrackChain() { }
 
+	virtual void set_name(const std::string &);
+	const std::string &get_name() const { return name; }
+
 	void add_track(Track &);
 	void add_tracks(const TrackSet &);
 protected:
@@ -52,11 +70,22 @@ private:
 public:
 	const TrackSet &get_tracks() const { return tracks; }
 	bool has_track(Track &) const;
+	virtual TrackIter iter_for(Track &, Direction) const;
+	TrackIter get_end(unsigned) const;
+	virtual TrackIter get_end(Direction) const { return get_end(0); }
+	bool is_loop() const;
 
 private:
 	void object_removed(Object &);
+
+public:
+	virtual Msp::DataFile::Statement save_reference() const = 0;
 };
 
+
+void operator<<(Msp::LexicalConverter &, TrackChain::Direction);
+void operator>>(const Msp::LexicalConverter &, TrackChain::Direction &);
+
 } // namespace R2C2
 
 #endif