seed r147 - trunk/libseed

[racarr svn gnome org]

Author: racarr
Date: Thu Nov  6 16:35:28 2008
New Revision: 147
URL: http://svn.gnome.org/viewvc/seed?rev=147&view=rev

Log:
Add Seed.define_gtype. Takes as it's arguments a GObject class, new 
class name, and function to be called on instance initialization. 
Doesn't actually do much yet, but can construct classes, and they 
"work".


Modified:
   trunk/libseed/seed-builtins.c

Modified: trunk/libseed/seed-builtins.c
==============================================================================
--- trunk/libseed/seed-builtins.c	(original)
+++ trunk/libseed/seed-builtins.c	Thu Nov  6 16:35:28 2008
@@ -395,6 +395,57 @@
 		return JSObjectMake(eng->context, seed_native_callback_class, privates);
 }
 
+JSValueRef 
+seed_define_gtype(JSContextRef ctx,
+		 JSObjectRef function,
+		 JSObjectRef this_object,
+		 size_t argumentCount,
+		 const JSValueRef arguments[], JSValueRef * exception)
+{
+	GType parent_type, instance_type;
+	GType *parent_interfaces;
+	guint n_parent_interfaces;
+	gint i;
+	GTypeQuery query;
+	gpointer gclass;
+	GTypeInfo type_info  = {
+		0,
+		(GBaseInitFunc) NULL,
+		(GBaseFinalizeFunc) NULL,
+		(GClassInitFunc) NULL,
+		(GClassFinalizeFunc) NULL,
+		NULL,
+		0,
+		0,
+		(GInstanceInitFunc) NULL
+	};
+	gchar * new_type_name;
+	
+	parent_type = (GType)JSObjectGetPrivate((JSObjectRef)arguments[0]);
+	
+	parent_interfaces = g_type_interfaces(parent_type, &n_parent_interfaces);
+	new_type_name = seed_value_to_string(arguments[1], exception);
+	
+	type_info.class_data = (gpointer)arguments[2];
+	
+	g_type_query(parent_type, &query);
+	type_info.class_size = query.class_size;
+	type_info.instance_size = query.instance_size;
+	
+	instance_type = g_type_register_static(parent_type,
+										   new_type_name,
+										   &type_info, 0);
+	printf("Type name: %s \n", g_type_name(instance_type));
+	
+	seed_gobject_get_class_for_gtype(instance_type);
+	
+	return JSObjectMake(eng->context, 
+						gobject_constructor_class, 
+						(gpointer)instance_type);
+}
+	
+	
+
 void seed_init_builtins(gint *argc, gchar ***argv)
 {
 	guint i;
@@ -413,6 +464,7 @@
 	seed_create_function("closure", &seed_closure, obj);
 	seed_create_function("setTimeout", &seed_set_timeout, obj);
 	seed_create_function("closure_native", &seed_closure_native, obj);
+	seed_create_function("define_gtype", &seed_define_gtype, obj);
 
 
 	arrayObj = JSObjectMake(eng->context, NULL, NULL);