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>
31 #include <sigc++/signal.h>
33 #include <pbd/lockmonitor.h>
38 #include "state_manager.h"
44 class Location : public Stateful, public sigc::trackable
57 Location (jack_nframes_t sample_start,
58 jack_nframes_t sample_end,
60 Flags bits = Flags(0))
63 _start (sample_start),
73 Location (const Location& other);
74 Location* operator= (const Location& other);
76 jack_nframes_t start() { return _start; }
77 jack_nframes_t end() { return _end; }
78 jack_nframes_t length() { return _end - _start; }
80 int set_start (jack_nframes_t s);
81 int set_end (jack_nframes_t e);
82 int set (jack_nframes_t start, jack_nframes_t end);
84 const string& name() { return _name; }
85 void set_name (const string &str) { _name = str; name_changed(this); }
87 void set_auto_punch (bool yn, void *src);
88 void set_auto_loop (bool yn, void *src);
89 void set_hidden (bool yn, void *src);
90 void set_cd (bool yn, void *src);
91 void set_is_end (bool yn, void* src);
93 bool is_auto_punch () { return _flags & IsAutoPunch; }
94 bool is_auto_loop () { return _flags & IsAutoLoop; }
95 bool is_mark () { return _flags & IsMark; }
96 bool is_hidden () { return _flags & IsHidden; }
97 bool is_cd_marker () { return _flags & IsCDMarker; }
98 bool is_end() { return _flags & IsEnd; }
99 bool is_range_marker() { return _flags & IsRangeMarker; }
101 sigc::signal<void,Location*> name_changed;
102 sigc::signal<void,Location*> end_changed;
103 sigc::signal<void,Location*> start_changed;
105 sigc::signal<void,Location*,void*> FlagsChanged;
107 /* this is sent only when both start&end change at the same time */
109 sigc::signal<void,Location*> changed;
111 /* CD Track / CD-Text info */
113 std::map<string, string> cd_info;
114 XMLNode& cd_info_node (const string &, const string &);
116 XMLNode& get_state (void);
117 int set_state (const XMLNode&);
121 jack_nframes_t _start;
125 void set_mark (bool yn);
126 bool set_flag_internal (bool yn, Flags flag);
129 class Locations : public Stateful, public StateManager
132 typedef std::list<Location *> LocationList;
137 void add (Location *, bool make_current = false);
138 void remove (Location *);
140 void clear_markers ();
141 void clear_ranges ();
143 XMLNode& get_state (void);
144 int set_state (const XMLNode&);
146 Location* auto_loop_location () const;
147 Location* auto_punch_location () const;
148 Location* end_location() const;
150 uint32_t num_range_markers() const;
152 int set_current (Location *, bool want_lock = true);
153 Location *current () const { return current_location; }
155 Location *first_location_before (jack_nframes_t);
156 Location *first_location_after (jack_nframes_t);
158 sigc::signal<void,Location*> current_changed;
159 sigc::signal<void> changed;
160 sigc::signal<void,Location*> added;
161 sigc::signal<void,Location*> removed;
163 template<class T> void apply (T& obj, void (T::*method)(LocationList&)) {
164 LockMonitor lm (lock, __LINE__, __FILE__);
165 (obj.*method)(locations);
168 template<class T1, class T2> void apply (T1& obj, void (T1::*method)(LocationList&, T2& arg), T2& arg) {
169 LockMonitor lm (lock, __LINE__, __FILE__);
170 (obj.*method)(locations, arg);
173 UndoAction get_memento () const;
177 struct State : public ARDOUR::StateManager::State {
178 LocationList locations;
181 State (std::string why) : ARDOUR::StateManager::State (why) {}
184 LocationList locations;
185 Location *current_location;
186 mutable PBD::Lock lock;
188 int set_current_unlocked (Location *);
189 void location_changed (Location*);
191 Change restore_state (StateManager::State&);
192 StateManager::State* state_factory (std::string why) const;
195 }; /* namespace ARDOUR */
197 #endif /* __ardour_location_h__ */