glib_source.c
changeset 3 4fd19a188509
parent 2 34b6fedde9eb
child 4 5770be2d5f3f
--- a/glib_source.c	Mon Feb 09 13:00:42 2009 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,133 +0,0 @@
-
-#include <lua.h>
-#include <lauxlib.h>
-#include <glib.h>
-
-#include "glib_types.h"
-#include "util.h"
-
-/// g.source.bless
-/// Blesses given pointer to g source object.
-/// A: lightuserdata (pointer to C glib event source object)
-/// R: g source object
-static int lglib_source_bless_lua (lua_State *L)
-{
-	luaL_argcheck (L, lua_islightuserdata (L, 1), 1, "glib source lightuserdata expected");
-	lglib_source_bless (L, lua_touserdata (L, 1));
-	return 1;
-}
-
-/// source:context
-/// Connects event source to main context or returns context,
-/// to which this source is connected.
-/// A: lglib main context object
-/// R: int (source id, when called with args) or g main context object or nil (if called with no args)
-static int lglib_source_context (lua_State *L)
-{
-	lglib_source_t *object = luaL_checklglib_source (L, 1);
-	if (lua_gettop (L) > 1) { // Attach
-		lglib_main_context_t *context = luaL_checklglib_main_context (L, 2);
-		lua_pushnumber (L, g_source_attach (object->source, context->main_context));
-	} else { // Get
-		GMainContext *context = g_source_get_context (object->source);
-		if (context) {
-			lglib_main_context_bless (L, context);
-			// XXX g_main_context_unref (context);
-		} else
-			lua_pushnil (L);
-	}
-	return 1;
-}
-
-/// source callback function
-/// Does processing of events. Return value indicates, if source should not be destroyed.
-/// R: boolean (continue)
-static gboolean lglib_source_callback (lglib_callback_t *cb)
-{
-	lua_rawgeti (cb->L, LUA_REGISTRYINDEX, cb->reference);
-	if (lua_pcall (cb->L, 0, 1, 0)) {
-		// XXX lua_error (cb->L);
-		lua_pop (cb->L, 1);
-		return FALSE;
-	}
-	return lua_toboolean (cb->L, -1);
-}
-
-/// source:callback
-/// Sets callback function for given event source.
-/// A: source callback function
-static int lglib_source_set_callback (lua_State *L)
-{
-	lglib_source_t *object = luaL_checklglib_source (L, 1);
-	lglib_callback_t *cb;
-	luaL_argcheck (L, lua_isfunction (L, 2), 2, "function expected");
-	
-	cb = luaL_malloc (L, sizeof (lglib_callback_t));
-	cb->reference = luaL_ref (L, LUA_REGISTRYINDEX);
-	cb->L         = L;
-
-	g_source_set_callback (object->source, (GSourceFunc)lglib_source_callback,
-			       cb, (GDestroyNotify)lglib_callback_destroy);
-	return 0;
-}
-
-/// source:priority
-/// Sets or gets priority of source.
-/// A: integer (optional priority)
-/// R: integer (when called with no args)
-static int lglib_source_priority (lua_State *L)
-{
-	lglib_source_t *object = luaL_checklglib_source (L, 1);
-	if (lua_gettop (L) > 1) {
-		g_source_set_priority (object->source, luaL_checkint (L, 2));
-		return 0;
-	} else {
-		lua_pushnumber (L, g_source_get_priority (object->source));
-		return 1;
-	}
-}
-
-/// source:pointer
-/// Returns pointer to underlying C structure.
-/// A: g source object
-/// R: lightuserdata
-static int lglib_source_pointer (lua_State *L)
-{
-	lglib_source_t *object = luaL_checklglib_source (L, 1);
-	lua_pushlightuserdata (L, object->source);
-	return 1;
-}
-
-static int lglib_source_gc (lua_State *L)
-{
-	lglib_source_t *object = lua_touserdata (L, 1);
-	g_source_unref (object->source);
-	return 0;
-}
-
-const luaL_Reg lglib_source_reg_f[] = {
-	{ "bless", lglib_source_bless_lua },
-	{ NULL,    NULL                   },
-};
-
-const luaL_Reg lglib_source_reg_m[] = {
-	{ "context",  lglib_source_context      },
-	{ "priority", lglib_source_priority     },
-	{ "callback", lglib_source_set_callback },
-	{ "pointer",  lglib_source_pointer      },
-	{ "__gc",     lglib_source_gc           },
-	{ NULL,       NULL                      },
-};
-
-int luaopen_glib_source (lua_State *L)
-{
-	luaL_newmetatable (L, "glib.source");
-	lua_pushstring (L, "__index");
-	lua_pushvalue (L, -2);
-	lua_settable (L, -3);
-	luaL_register (L, NULL, lglib_source_reg_m);
-	lua_pop (L, 1);
-	luaL_register (L, "g.source", lglib_source_reg_f);
-	return 1;
-}
-