From 4003ef726f00fef2188e1e45e08a90bad42f1de6 Mon Sep 17 00:00:00 2001 From: Julien Danjou Date: Mon, 8 Jun 2009 17:28:20 +0200 Subject: [PATCH] luaclass: import class system Signed-off-by: Julien Danjou --- CMakeLists.txt | 1 + common/luaclass.c | 61 ++++++++++++++++++++++++++++++++++++++++++ common/luaclass.h | 67 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 129 insertions(+) create mode 100644 common/luaclass.c create mode 100644 common/luaclass.h diff --git a/CMakeLists.txt b/CMakeLists.txt index 2c21b137..2daad57c 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -74,6 +74,7 @@ set(AWE_SRCS ${SOURCE_DIR}/common/xcursor.c ${SOURCE_DIR}/common/backtrace.c ${SOURCE_DIR}/common/luaobject.c + ${SOURCE_DIR}/common/luaclass.c ${SOURCE_DIR}/widgets/graph.c ${SOURCE_DIR}/widgets/progressbar.c ${SOURCE_DIR}/widgets/textbox.c diff --git a/common/luaclass.c b/common/luaclass.c new file mode 100644 index 00000000..3f17a3c4 --- /dev/null +++ b/common/luaclass.c @@ -0,0 +1,61 @@ +/* + * luaclass.c - useful functions for handling Lua classes + * + * Copyright © 2009 Julien Danjou + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include "common/luaclass.h" +#include "common/luaobject.h" + +void +luaA_class_add_signal(lua_State *L, lua_class_t *lua_class, + const char *name, int ud) +{ + luaA_checkfunction(L, ud); + signal_add(&lua_class->signals, name, luaA_object_ref(L, ud)); +} + +void +luaA_class_remove_signal(lua_State *L, lua_class_t *lua_class, + const char *name, int ud) +{ + luaA_checkfunction(L, ud); + void *ref = (void *) lua_topointer(L, ud); + signal_remove(&lua_class->signals, name, ref); + luaA_object_unref(L, (void *) ref); + lua_remove(L, ud); +} + +void +luaA_class_emit_signal(lua_State *L, lua_class_t *lua_class, + const char *name, int nargs) +{ + signal_t *sigfound = signal_array_getbyid(&lua_class->signals, + a_strhash((const unsigned char *) name)); + if(sigfound) + foreach(ref, sigfound->sigfuncs) + { + for(int i = 0; i < nargs; i++) + lua_pushvalue(L, - nargs); + luaA_object_push(L, (void *) *ref); + luaA_dofunction(L, nargs, 0); + } + lua_pop(L, nargs); +} + +// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80 diff --git a/common/luaclass.h b/common/luaclass.h new file mode 100644 index 00000000..029e87a0 --- /dev/null +++ b/common/luaclass.h @@ -0,0 +1,67 @@ +/* + * luaclass.h - useful functions for handling Lua classes + * + * Copyright © 2009 Julien Danjou + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#ifndef AWESOME_COMMON_LUACLASS +#define AWESOME_COMMON_LUACLASS + +#include "common/signal.h" + +typedef struct +{ + signal_array_t signals; +} lua_class_t; + +void luaA_class_add_signal(lua_State *, lua_class_t *, const char *, int); +void luaA_class_remove_signal(lua_State *, lua_class_t *, const char *, int); +void luaA_class_emit_signal(lua_State *, lua_class_t *, const char *, int); + +#define LUA_CLASS_FUNCS(prefix, lua_class) \ + static inline int \ + luaA_##prefix##_class_add_signal(lua_State *L) \ + { \ + luaA_class_add_signal(L, &(lua_class), luaL_checkstring(L, 1), 2); \ + return 0; \ + } \ + \ + static inline int \ + luaA_##prefix##_class_remove_signal(lua_State *L) \ + { \ + luaA_class_remove_signal(L, &(lua_class), \ + luaL_checkstring(L, 1), 2); \ + return 0; \ + } \ + \ + static inline int \ + luaA_##prefix##_class_emit_signal(lua_State *L) \ + { \ + luaA_class_emit_signal(L, &(lua_class), luaL_checkstring(L, 1), \ + lua_gettop(L) - 1); \ + return 0; \ + } + +#define LUA_CLASS_METHODS(class) \ + { "add_signal", luaA_##class##_class_add_signal }, \ + { "remove_signal", luaA_##class##_class_remove_signal }, \ + { "emit_signal", luaA_##class##_class_emit_signal }, + +#endif + +// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80