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>
38 #include "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&);
124 jack_nframes_t _start;
128 void set_mark (bool yn);
129 bool set_flag_internal (bool yn, Flags flag);
132 class Locations : public Stateful, public StateManager
135 typedef std::list<Location *> LocationList;
140 void add (Location *, bool make_current = false);
141 void remove (Location *);
143 void clear_markers ();
144 void clear_ranges ();
146 XMLNode& get_state (void);
147 int set_state (const XMLNode&);
149 Location* auto_loop_location () const;
150 Location* auto_punch_location () const;
151 Location* end_location() const;
152 Location* start_location() const;
154 uint32_t num_range_markers() const;
156 int set_current (Location *, bool want_lock = true);
157 Location *current () const { return current_location; }
159 Location *first_location_before (jack_nframes_t);
160 Location *first_location_after (jack_nframes_t);
162 jack_nframes_t first_mark_before (jack_nframes_t);
163 jack_nframes_t first_mark_after (jack_nframes_t);
165 sigc::signal<void,Location*> current_changed;
166 sigc::signal<void> changed;
167 sigc::signal<void,Location*> added;
168 sigc::signal<void,Location*> removed;
170 template<class T> void apply (T& obj, void (T::*method)(LocationList&)) {
171 Glib::Mutex::Lock lm (lock);
172 (obj.*method)(locations);
175 template<class T1, class T2> void apply (T1& obj, void (T1::*method)(LocationList&, T2& arg), T2& arg) {
176 Glib::Mutex::Lock lm (lock);
177 (obj.*method)(locations, arg);
180 UndoAction get_memento () const;
184 struct State : public ARDOUR::StateManager::State {
185 LocationList locations;
188 State (std::string why) : ARDOUR::StateManager::State (why) {}
191 LocationList locations;
192 Location *current_location;
193 mutable Glib::Mutex lock;
195 int set_current_unlocked (Location *);
196 void location_changed (Location*);
198 Change restore_state (StateManager::State&);
199 StateManager::State* state_factory (std::string why) const;
202 }; /* namespace ARDOUR */
204 #endif /* __ardour_location_h__ */