Sets the preferred position for popover to appear. If the popover
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
Sets the preferred position for popover to appear. If the popover 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