signal callback delegate or function to connect
gdk.types.DragAction callback(double x, double y, gtk.drop_target.DropTarget dropTarget)
x the x coordinate of the current pointer position (optional)
y the y coordinate of the current pointer position (optional)
dropTarget the instance the signal is connected to (optional)
Returns Preferred action for this drag operation or 0 if dropping is not supported at the current x,y location.
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to Enter signal.
Emitted on the drop site when the pointer enters the widget.
It can be used to set up custom highlighting.