mirror of
https://github.com/awesomeWM/awesome
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91 lines
3.9 KiB
C
91 lines
3.9 KiB
C
/*
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* luaclass.h - useful functions for handling Lua classes
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*
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* Copyright © 2009 Julien Danjou <julien@danjou.info>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef AWESOME_COMMON_LUACLASS
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#define AWESOME_COMMON_LUACLASS
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#include "common/signal.h"
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#define LUA_OBJECT_HEADER \
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signal_array_t signals;
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/** Generic type for all objects.
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* All Lua objects can be casted to this type.
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*/
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typedef struct
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{
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LUA_OBJECT_HEADER
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} lua_object_t;
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typedef lua_object_t *(*lua_class_allocator_t)(lua_State *);
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typedef struct
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{
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/** Class name */
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const char *name;
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signal_array_t signals;
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/** Allocator for creating new objects of that class */
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lua_class_allocator_t allocator;
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} lua_class_t;
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int luaA_type(lua_State *, int);
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const char * luaA_typename(lua_State *, int);
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void luaA_class_add_signal(lua_State *, lua_class_t *, const char *, int);
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void luaA_class_remove_signal(lua_State *, lua_class_t *, const char *, int);
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void luaA_class_emit_signal(lua_State *, lua_class_t *, const char *, int);
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void luaA_openlib(lua_State *, const char *, const struct luaL_reg[], const struct luaL_reg[]);
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void luaA_class_setup(lua_State *, lua_class_t *, const char *, lua_class_allocator_t,
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const struct luaL_reg[], const struct luaL_reg[]);
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#define LUA_CLASS_FUNCS(prefix, lua_class) \
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static inline int \
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luaA_##prefix##_class_add_signal(lua_State *L) \
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{ \
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luaA_class_add_signal(L, &(lua_class), luaL_checkstring(L, 1), 2); \
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return 0; \
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} \
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\
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static inline int \
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luaA_##prefix##_class_remove_signal(lua_State *L) \
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{ \
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luaA_class_remove_signal(L, &(lua_class), \
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luaL_checkstring(L, 1), 2); \
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return 0; \
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} \
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\
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static inline int \
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luaA_##prefix##_class_emit_signal(lua_State *L) \
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{ \
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luaA_class_emit_signal(L, &(lua_class), luaL_checkstring(L, 1), \
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lua_gettop(L) - 1); \
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return 0; \
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}
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#define LUA_CLASS_METHODS(class) \
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{ "add_signal", luaA_##class##_class_add_signal }, \
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{ "remove_signal", luaA_##class##_class_remove_signal }, \
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{ "emit_signal", luaA_##class##_class_emit_signal },
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#endif
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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