void gtk_popover_set_position ( GtkPopover* popover, GtkPositionType position )
Sets the preferred position for
popover to appear. If the
is currently visible, it will be immediately updated.
This preference will be respected where possible, although
on lack of space (eg. if close to the window edges), the
GtkPopover may choose to appear on the opposite side.
Available since: 3.12
Preferred popover position.