diff options
Diffstat (limited to 'libs/ardour/ardour/location.h')
-rw-r--r-- | libs/ardour/ardour/location.h | 206 |
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__ */ |