2 Copyright (C) 2000 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef __ardour_location_h__
22 #define __ardour_location_h__
29 #include <sys/types.h>
30 #include <sigc++/signal.h>
32 #include <glibmm/thread.h>
35 #include <pbd/stateful.h>
37 #include <ardour/ardour.h>
38 #include <ardour/state_manager.h>
44 class Location : public Stateful, public sigc::trackable
58 Location (jack_nframes_t sample_start,
59 jack_nframes_t sample_end,
61 Flags bits = Flags(0))
64 _start (sample_start),
74 Location (const Location& other);
75 Location* operator= (const Location& other);
77 jack_nframes_t start() { return _start; }
78 jack_nframes_t end() { return _end; }
79 jack_nframes_t length() { return _end - _start; }
81 int set_start (jack_nframes_t s);
82 int set_end (jack_nframes_t e);
83 int set (jack_nframes_t start, jack_nframes_t end);
85 const string& name() { return _name; }
86 void set_name (const string &str) { _name = str; name_changed(this); }
88 void set_auto_punch (bool yn, void *src);
89 void set_auto_loop (bool yn, void *src);
90 void set_hidden (bool yn, void *src);
91 void set_cd (bool yn, void *src);
92 void set_is_end (bool yn, void* src);
93 void set_is_start (bool yn, void* src);
95 bool is_auto_punch () { return _flags & IsAutoPunch; }
96 bool is_auto_loop () { return _flags & IsAutoLoop; }
97 bool is_mark () { return _flags & IsMark; }
98 bool is_hidden () { return _flags & IsHidden; }
99 bool is_cd_marker () { return _flags & IsCDMarker; }
100 bool is_end() { return _flags & IsEnd; }
101 bool is_start() { return _flags & IsStart; }
102 bool is_range_marker() { return _flags & IsRangeMarker; }
104 sigc::signal<void,Location*> name_changed;
105 sigc::signal<void,Location*> end_changed;
106 sigc::signal<void,Location*> start_changed;
108 sigc::signal<void,Location*,void*> FlagsChanged;
110 /* this is sent only when both start&end change at the same time */
112 sigc::signal<void,Location*> changed;
114 /* CD Track / CD-Text info */
116 std::map<string, string> cd_info;
117 XMLNode& cd_info_node (const string &, const string &);
119 XMLNode& get_state (void);
120 int set_state (const XMLNode&);
122 PBD::ID id() { return _id; }
127 jack_nframes_t _start;
131 void set_mark (bool yn);
132 bool set_flag_internal (bool yn, Flags flag);
135 class Locations : public Stateful, public StateManager
138 typedef std::list<Location *> LocationList;
143 void add (Location *, bool make_current = false);
144 void remove (Location *);
146 void clear_markers ();
147 void clear_ranges ();
149 XMLNode& get_state (void);
150 int set_state (const XMLNode&);
151 PBD::ID id() { return _id; }
153 Location* auto_loop_location () const;
154 Location* auto_punch_location () const;
155 Location* end_location() const;
156 Location* start_location() const;
158 uint32_t num_range_markers() const;
160 int set_current (Location *, bool want_lock = true);
161 Location *current () const { return current_location; }
163 Location *first_location_before (jack_nframes_t);
164 Location *first_location_after (jack_nframes_t);
166 jack_nframes_t first_mark_before (jack_nframes_t);
167 jack_nframes_t first_mark_after (jack_nframes_t);
169 sigc::signal<void,Location*> current_changed;
170 sigc::signal<void> changed;
171 sigc::signal<void,Location*> added;
172 sigc::signal<void,Location*> removed;
174 template<class T> void apply (T& obj, void (T::*method)(LocationList&)) {
175 Glib::Mutex::Lock lm (lock);
176 (obj.*method)(locations);
179 template<class T1, class T2> void apply (T1& obj, void (T1::*method)(LocationList&, T2& arg), T2& arg) {
180 Glib::Mutex::Lock lm (lock);
181 (obj.*method)(locations, arg);
184 UndoAction get_memento () const;
188 struct State : public ARDOUR::StateManager::State {
189 LocationList locations;
192 State (std::string why) : ARDOUR::StateManager::State (why) {}
195 LocationList locations;
196 Location *current_location;
197 mutable Glib::Mutex lock;
199 int set_current_unlocked (Location *);
200 void location_changed (Location*);
202 Change restore_state (StateManager::State&);
203 StateManager::State* state_factory (std::string why) const;
208 } // namespace ARDOUR
210 #endif /* __ardour_location_h__ */