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livetrax/gtk2_ardour/luainstance.h

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#ifndef __gtkardour_luainstance_h__
#define __gtkardour_luainstance_h__
#include <bitset>
#include "pbd/id.h"
#include "pbd/signals.h"
#include "pbd/xml++.h"
#include "ardour/luascripting.h"
#include "ardour/luabindings.h"
#include "ardour/session_handle.h"
#include "lua/luastate.h"
#include "LuaBridge/LuaBridge.h"
#include "luasignal.h"
typedef std::bitset<LuaSignal::LAST_SIGNAL> ActionHook;
class LuaCallback : public ARDOUR::SessionHandlePtr, public sigc::trackable
{
public:
LuaCallback (ARDOUR::Session*, const std::string&, const std::string&, const ActionHook&, const ARDOUR::LuaScriptParamList&);
LuaCallback (ARDOUR::Session*, XMLNode & node);
~LuaCallback ();
XMLNode& get_state (void);
void set_session (ARDOUR::Session *);
const PBD::ID& id () const { return _id; }
const std::string& name () const { return _name; }
ActionHook signals () const { return _signals; }
bool lua_slot (std::string&, std::string&, ActionHook&, ARDOUR::LuaScriptParamList&);
PBD::Signal0<void> drop_callback;
protected:
void session_going_away ();
private:
LuaState lua;
PBD::ID _id;
std::string _name;
ActionHook _signals;
void reconnect ();
template <class T> void reconnect_object (T);
void init ();
luabridge::LuaRef * _lua_add;
luabridge::LuaRef * _lua_get;
luabridge::LuaRef * _lua_call;
luabridge::LuaRef * _lua_save;
luabridge::LuaRef * _lua_load;
PBD::ScopedConnectionList _connections;
template <typename T, typename S> void connect_0 (enum LuaSignal::LuaSignal, T, S*);
template <typename T> void proxy_0 (enum LuaSignal::LuaSignal, T);
template <typename T, typename C1> void connect_1 (enum LuaSignal::LuaSignal, T, PBD::Signal1<void, C1>*);
template <typename T, typename C1> void proxy_1 (enum LuaSignal::LuaSignal, T, C1);
template <typename T, typename C1, typename C2> void connect_2 (enum LuaSignal::LuaSignal, T, PBD::Signal2<void, C1, C2>*);
template <typename T, typename C1, typename C2> void proxy_2 (enum LuaSignal::LuaSignal, T, C1, C2);
};
typedef boost::shared_ptr<LuaCallback> LuaCallbackPtr;
typedef std::map<PBD::ID, LuaCallbackPtr> LuaCallbackMap;
class LuaInstance : public PBD::ScopedConnectionList, public ARDOUR::SessionHandlePtr
{
public:
static LuaInstance* instance();
~LuaInstance();
static void register_classes (lua_State* L);
static void register_hooks (lua_State* L);
void set_session (ARDOUR::Session* s);
int set_state (const XMLNode&);
XMLNode& get_action_state (void);
XMLNode& get_hook_state (void);
bool interactive_add (ARDOUR::LuaScriptInfo::ScriptType, int);
/* actions */
void call_action (const int);
bool set_lua_action (const int, const std::string&, const std::string&, const ARDOUR::LuaScriptParamList&);
bool remove_lua_action (const int);
bool lua_action_name (const int, std::string&);
std::vector<std::string> lua_action_names ();
bool lua_action (const int, std::string&, std::string&, ARDOUR::LuaScriptParamList&);
sigc::signal<void,int,std::string> ActionChanged;
/* callbacks */
bool register_lua_slot (const std::string&, const std::string&, const ARDOUR::LuaScriptParamList&);
bool unregister_lua_slot (const PBD::ID&);
std::vector<PBD::ID> lua_slots () const;
bool lua_slot_name (const PBD::ID&, std::string&) const;
std::vector<std::string> lua_slot_names () const;
bool lua_slot (const PBD::ID&, std::string&, std::string&, ActionHook&, ARDOUR::LuaScriptParamList&);
sigc::signal<void,PBD::ID,std::string,ActionHook> SlotChanged;
private:
LuaInstance();
static LuaInstance* _instance;
void init ();
void session_going_away ();
LuaState lua;
luabridge::LuaRef * _lua_call_action;
luabridge::LuaRef * _lua_add_action;
luabridge::LuaRef * _lua_del_action;
luabridge::LuaRef * _lua_get_action;
luabridge::LuaRef * _lua_load;
luabridge::LuaRef * _lua_save;
luabridge::LuaRef * _lua_clear;
LuaCallbackMap _callbacks;
PBD::ScopedConnectionList _slotcon;
};
#endif