rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 206 insertions, 0 deletions

diff --git a/libs/ardour/ardour/location.h b/libs/ardour/ardour/location.h
new file mode 100644
index 0000000000..53d9489823
--- /dev/null
+++ b/libs/ardour/ardour/location.h
@@ -0,0 +1,206 @@
+/*
+    Copyright (C) 2000 Paul Davis 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_location_h__
+#define __ardour_location_h__
+
+#include <string>
+#include <list>
+#include <iostream>
+#include <map>
+
+#include <sys/types.h>
+#include <sigc++/signal.h>
+
+#include <glibmm/thread.h>
+
+#include <pbd/undo.h>
+#include <pbd/stateful.h> 
+#include <pbd/statefuldestructible.h> 
+
+#include <ardour/ardour.h>
+
+using std::string;
+
+namespace ARDOUR {
+
+class Location : public PBD::StatefulDestructible
+{
+  public:
+	enum Flags {
+		IsMark = 0x1,
+		IsAutoPunch = 0x2,
+		IsAutoLoop = 0x4,
+		IsHidden = 0x8,
+		IsCDMarker = 0x10,
+		IsEnd = 0x20,
+		IsRangeMarker = 0x40,
+		IsStart = 0x80
+	};
+
+	Location (nframes_t sample_start,
+		  nframes_t sample_end,
+		  const string &name,
+		  Flags bits = Flags(0))		
+		
+		: _name (name),
+		_start (sample_start),
+		_end (sample_end),
+		_flags (bits),
+		_locked (false) { }
+	
+	Location () {
+		_start = 0;
+		_end = 0;
+		_flags = Flags (0);
+		_locked = false;
+	}
+
+	Location (const Location& other);
+	Location (const XMLNode&);
+	Location* operator= (const Location& other);
+
+	bool locked() const { return _locked; }
+	void lock() { _locked = true; changed (this); }
+	void unlock() { _locked = false; changed (this); }
+	
+	nframes_t start() const  { return _start; }
+	nframes_t end() const { return _end; }
+	nframes_t length() const { return _end - _start; }
+
+	int set_start (nframes_t s);
+	int set_end (nframes_t e);
+	int set (nframes_t start, nframes_t end);
+
+	int move_to (nframes_t pos);
+
+	const string& name() { return _name; }
+	void set_name (const string &str) { _name = str; name_changed(this); }
+
+	void set_auto_punch (bool yn, void *src);
+	void set_auto_loop (bool yn, void *src);
+	void set_hidden (bool yn, void *src);
+	void set_cd (bool yn, void *src);
+	void set_is_end (bool yn, void* src);
+	void set_is_start (bool yn, void* src);
+
+	bool is_auto_punch ()  { return _flags & IsAutoPunch; }
+	bool is_auto_loop () { return _flags & IsAutoLoop; }
+	bool is_mark () { return _flags & IsMark; }
+	bool is_hidden () { return _flags & IsHidden; }
+	bool is_cd_marker () { return _flags & IsCDMarker; }
+	bool is_end() { return _flags & IsEnd; }
+	bool is_start() { return _flags & IsStart; }
+	bool is_range_marker() { return _flags & IsRangeMarker; }
+
+	sigc::signal<void,Location*> name_changed;
+	sigc::signal<void,Location*> end_changed;
+	sigc::signal<void,Location*> start_changed;
+
+	sigc::signal<void,Location*,void*> FlagsChanged;
+
+	/* this is sent only when both start&end change at the same time */
+
+	sigc::signal<void,Location*> changed;
+   
+	/* CD Track / CD-Text info */
+
+	std::map<string, string> cd_info;
+	XMLNode& cd_info_node (const string &, const string &);
+
+	XMLNode& get_state (void);
+	int set_state (const XMLNode&);
+
+  private:
+	string        _name;
+	nframes_t     _start;
+	nframes_t     _end;
+	Flags         _flags;
+	bool          _locked;
+
+	void set_mark (bool yn);
+	bool set_flag_internal (bool yn, Flags flag);
+};
+
+class Locations : public PBD::StatefulDestructible
+{
+  public:
+	typedef std::list<Location *> LocationList;
+
+	Locations ();
+	~Locations ();
+	
+	const LocationList& list() { return locations; }
+
+	void add (Location *, bool make_current = false);
+	void remove (Location *);
+	void clear ();
+	void clear_markers ();
+	void clear_ranges ();
+
+	XMLNode& get_state (void);
+	int set_state (const XMLNode&);
+        Location *get_location_by_id(PBD::ID);
+
+	Location* auto_loop_location () const;
+	Location* auto_punch_location () const;
+	Location* end_location() const;
+	Location* start_location() const;
+
+	int next_available_name(string& result,string base);
+	uint32_t num_range_markers() const;
+
+	int set_current (Location *, bool want_lock = true);
+	Location *current () const { return current_location; }
+
+	Location *first_location_before (nframes_t, bool include_special_ranges = false);
+	Location *first_location_after (nframes_t, bool include_special_ranges = false);
+
+	nframes_t first_mark_before (nframes_t, bool include_special_ranges = false);
+	nframes_t first_mark_after (nframes_t, bool include_special_ranges = false);
+
+	sigc::signal<void,Location*> current_changed;
+	sigc::signal<void>           changed;
+	sigc::signal<void,Location*> added;
+	sigc::signal<void,Location*> removed;
+	sigc::signal<void,Change>    StateChanged;
+
+	template<class T> void apply (T& obj, void (T::*method)(LocationList&)) {
+		Glib::Mutex::Lock lm (lock);
+		(obj.*method)(locations);
+	}
+
+	template<class T1, class T2> void apply (T1& obj, void (T1::*method)(LocationList&, T2& arg), T2& arg) {
+		Glib::Mutex::Lock lm (lock);
+		(obj.*method)(locations, arg);
+	}
+
+  private:
+
+	LocationList         locations;
+	Location            *current_location;
+	mutable Glib::Mutex  lock;
+
+	int set_current_unlocked (Location *);
+	void location_changed (Location*);
+};
+
+} // namespace ARDOUR
+
+#endif /* __ardour_location_h__ */