void gtk_handle_box_set_snap_edge ( GtkHandleBox* handle_box, GtkPositionType edge )
Sets the snap edge of a handlebox. The snap edge is the edge of the detached child that must be aligned with the corresponding edge of the “ghost” left behind when the child was detached to reattach the torn-off window. Usually, the snap edge should be chosen so that it stays in the same place on the screen when the handlebox is torn off.
If the snap edge is not set, then an appropriate value
will be guessed from the handle position. If the
handle position is
then the snap edge will be
it will be
Deprecated since: 3.4
GtkHandleBox has been deprecated.
The snap edge, or -1 to unset the value; in which case GTK+ will try to guess an appropriate value in the future.