public virtual signal bool drag_failed (DragContext context, DragResult result)
The drag_failed signal is emitted on the drag source when a drag has failed.
The signal handler may hook custom code to handle a failed DnD operation based on the type of error, it returns true is the failure has been already handled (not showing the default "drag operation failed" animation), otherwise it returns false.
the drag context
the result of the drag operation
true if the failed drag operation has been already handled.