Exemple #1
0
 internal ClassInitializer(Type type)
 {
     ClassInitManagedDelegate = this.ClassInit;
     Type              = type;
     gtype             = GType.RegisterGObjectType(this);
     is_first_subclass = gtype.GetBaseType() == gtype.GetThresholdType();
 }
Exemple #2
0
        protected internal static GType RegisterGType(System.Type t)
        {
            GType gtype             = GType.RegisterGObjectType(t);
            bool  is_first_subclass = gtype.GetBaseType() == gtype.GetThresholdType();

            if (is_first_subclass)
            {
                IntPtr       class_ptr     = gtype.GetClassPtr();
                GObjectClass gobject_class = (GObjectClass)Marshal.PtrToStructure(class_ptr, typeof(GObjectClass));
                gobject_class.constructor_cb = ConstructorHandler;
                gobject_class.get_prop_cb    = GetPropertyHandler;
                gobject_class.set_prop_cb    = SetPropertyHandler;
                Marshal.StructureToPtr(gobject_class, class_ptr, false);
            }
            AddProperties(gtype, t, is_first_subclass);
            ConnectDefaultHandlers(gtype, t);
            InvokeTypeInitializers(gtype, t);
            AddInterfaces(gtype, t);
            return(gtype);
        }
        public static N BaseOverride <N>(this AbiStruct class_abi, GType gtype, string fieldname) where N : Delegate
        {
            N unmanaged = null;

            unsafe {
                IntPtr raw_ptr = IntPtr.Zero;
                while (raw_ptr == IntPtr.Zero && GType.IsManaged(gtype))
                {
                    gtype = gtype.GetThresholdType();
                    var abi_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset(fieldname));
                    raw_ptr = *abi_ptr;
                }

                if (raw_ptr != IntPtr.Zero)
                {
                    unmanaged = Marshal.GetDelegateForFunctionPointer <N>(raw_ptr);
                }
            }

            return(unmanaged);
        }
Exemple #4
0
 internal ClassInitializer(Type type)
 {
     ClassInitManagedDelegate = this.ClassInit;
     Type = type;
     gtype = GType.RegisterGObjectType (this);
     is_first_subclass = gtype.GetBaseType () == gtype.GetThresholdType ();
 }