events.h

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/*
    This file is part of darktable,
    Copyright (C) 2010-2011 Henrik Andersson.
    Copyright (C) 2010 johannes hanika.
    Copyright (C) 2010 Pascal de Bruijn.
    Copyright (C) 2012 Richard Wonka.
    Copyright (C) 2013-2016 Jérémy Rosen.
    Copyright (C) 2014, 2016 Tobias Ellinghaus.
    Copyright (C) 2016 Roman Lebedev.
    Copyright (C) 2018 luzpaz.
    Copyright (C) 2020-2021 Pascal Obry.
    Copyright (C) 2021 wpferguson.
    Copyright (C) 2022 Martin Bařinka.
    
    darktable 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 3 of the License, or
    (at your option) any later version.
    
    darktable 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 darktable.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#include <lauxlib.h>
#include <lua.h>
#include <lualib.h>
 
 
void dt_lua_event_add(lua_State *L, const char *evt_name);
 
 
void dt_lua_event_trigger(lua_State *L, const char *event, int nargs);
 
int dt_lua_event_trigger_wrapper(lua_State *L) ;
 
//    HELPERS      //
// these pairs of functions can usually be used "as is" for registering events
 
 
int dt_lua_event_multiinstance_register(lua_State *L);
int dt_lua_event_multiinstance_destroy(lua_State *L);
int dt_lua_event_multiinstance_trigger(lua_State *L);
 
 
int dt_lua_event_keyed_register(lua_State *L);
int dt_lua_event_keyed_destroy(lua_State *L);
int dt_lua_event_keyed_trigger(lua_State *L);
 
 
 
int dt_lua_init_early_events(lua_State *L);
int dt_lua_init_events(lua_State *L);
 
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