drag_cancel (
  GtkDragSource* self,
  GdkDrag* drag,
  GdkDragCancelReason* reason,
  gpointer user_data

Description [src]

Emitted on the drag source when a drag has failed.

The signal handler may handle a failed drag operation based on the type of error. It should return TRUE if the failure has been handled and the default “drag operation failed” animation should not be shown.

Default handler:

The default handler is called after the handlers added via g_signal_connect().


drag GdkDrag

The GdkDrag object.

 The data is owned by the caller of the function.
reason GdkDragCancelReason

Information on why the drag failed.

 The data is owned by the caller of the function.

Return value

Returns: gboolean

TRUE if the failed drag operation has been already handled.