GetDragTypes() статический приватный Метод

static private GetDragTypes ( Gdk dropTypes ) : TransferDataType[]
dropTypes Gdk
Результат TransferDataType[]
Пример #1
0
        internal bool DoDragMotion(Gdk.DragContext context, int x, int y, uint time)
        {
            DragDropInfo.LastDragPosition = new Point(x, y);

            DragDropAction ac;

            if ((enabledEvents & WidgetEvent.DragOverCheck) == 0)
            {
                if ((enabledEvents & WidgetEvent.DragOver) != 0)
                {
                    ac = DragDropAction.Default;
                }
                else
                {
                    ac = ConvertDragAction(DragDropInfo.DestDragAction);
                }
            }
            else
            {
                // This is a workaround to what seems to be a mac gtk bug.
                // Suggested action is set to all when no control key is pressed
                var cact = ConvertDragAction(context.Actions);
                if (cact == DragDropAction.All)
                {
                    cact = DragDropAction.Move;
                }

                var target                = Gtk.Drag.DestFindTarget(EventsRootWidget, context, null);
                var targetTypes           = Util.GetDragTypes(new Gdk.Atom[] { target });
                DragOverCheckEventArgs da = new DragOverCheckEventArgs(new Point(x, y), targetTypes, cact);
                ApplicationContext.InvokeUserCode(delegate {
                    EventSink.OnDragOverCheck(da);
                });
                ac = da.AllowedAction;
                if ((enabledEvents & WidgetEvent.DragOver) == 0 && ac == DragDropAction.Default)
                {
                    ac = DragDropAction.None;
                }
            }

            if (ac == DragDropAction.None)
            {
                OnSetDragStatus(context, x, y, time, (Gdk.DragAction) 0);
                return(true);
            }
            else if (ac == DragDropAction.Default)
            {
                // Undefined, we need more data
                QueryDragData(context, time, true);
                return(true);
            }
            else
            {
//				Gtk.Drag.Highlight (Widget);
                OnSetDragStatus(context, x, y, time, ConvertDragAction(ac));
                return(true);
            }
        }
Пример #2
0
        internal bool DoDragDrop(Gdk.DragContext context, int x, int y, uint time)
        {
            DragDropInfo.LastDragPosition = new Point(x, y);
            var cda = ConvertDragAction(context.Action);

            DragDropResult res;

            if ((enabledEvents & WidgetEvent.DragDropCheck) == 0)
            {
                if ((enabledEvents & WidgetEvent.DragDrop) != 0)
                {
                    res = DragDropResult.None;
                }
                else
                {
                    res = DragDropResult.Canceled;
                }
            }
            else
            {
                DragCheckEventArgs da = new DragCheckEventArgs(new Point(x, y), Util.GetDragTypes(context.Targets), cda);
                ApplicationContext.InvokeUserCode(delegate {
                    EventSink.OnDragDropCheck(da);
                });
                res = da.Result;
                if ((enabledEvents & WidgetEvent.DragDrop) == 0 && res == DragDropResult.None)
                {
                    res = DragDropResult.Canceled;
                }
            }
            if (res == DragDropResult.Canceled)
            {
                Gtk.Drag.Finish(context, false, false, time);
                return(true);
            }
            else if (res == DragDropResult.Success)
            {
                Gtk.Drag.Finish(context, true, cda == DragDropAction.Move, time);
                return(true);
            }
            else
            {
                // Undefined, we need more data
                QueryDragData(context, time, false);
                return(true);
            }
        }
Пример #3
0
        void HandleWidgetDragDrop(object o, Gtk.DragDropArgs args)
        {
            lastDragPosition = new Point(args.X, args.Y);
            var cda = ConvertDragAction(args.Context.Action);

            DragDropResult res;

            if (!dropCheckEventEnabled)
            {
                if (dropEventEnabled)
                {
                    res = DragDropResult.None;
                }
                else
                {
                    res = DragDropResult.Canceled;
                }
            }
            else
            {
                DragCheckEventArgs da = new DragCheckEventArgs(new Point(args.X, args.Y), Util.GetDragTypes(args.Context.Targets), cda);
                EventSink.OnDragDropCheck(da);
                res = da.Result;
                if (!dropEventEnabled && res == DragDropResult.None)
                {
                    res = DragDropResult.Canceled;
                }
            }
            if (res == DragDropResult.Canceled)
            {
                args.RetVal = true;
                Gtk.Drag.Finish(args.Context, false, false, args.Time);
            }
            else if (res == DragDropResult.Success)
            {
                args.RetVal = true;
                Gtk.Drag.Finish(args.Context, true, cda == DragDropAction.Move, args.Time);
            }
            else
            {
                // Undefined, we need more data
                args.RetVal = true;
                QueryDragData(args.Context, args.Time, false);
            }
        }
Пример #4
0
        void HandleWidgetDragMotion(object o, Gtk.DragMotionArgs args)
        {
            lastDragPosition = new Point(args.X, args.Y);

            DragDropAction ac;

            if (!dragMotionCheckEventEnabled)
            {
                if (dragMotionEventEnabled)
                {
                    ac = DragDropAction.Default;
                }
                else
                {
                    ac = ConvertDragAction(destDragAction);
                }
            }
            else
            {
                DragOverCheckEventArgs da = new DragOverCheckEventArgs(new Point(args.X, args.Y), Util.GetDragTypes(args.Context.Targets), ConvertDragAction(args.Context.Actions));
                EventSink.OnDragOverCheck(da);
                ac = da.AllowedAction;
                if (!dragMotionEventEnabled && ac == DragDropAction.Default)
                {
                    ac = DragDropAction.None;
                }
            }

            if (ac == DragDropAction.None)
            {
                args.RetVal = false;
            }
            else if (ac == DragDropAction.Default)
            {
                // Undefined, we need more data
                args.RetVal = true;
                QueryDragData(args.Context, args.Time, true);
            }
            else
            {
//				Gtk.Drag.Highlight (Widget);
                args.RetVal = true;
                Gdk.Drag.Status(args.Context, ConvertDragAction(ac), args.Time);
            }
        }