Budgie.PopoverPositionPolicydetermines how the
Budgie.Popoverwill be placed on screen. The default policy (AUTOMATIC) will try to place the popover at a sensible location relative to the parent widget, and point the tail accordingly.
The TOPLEVEL_HINT policy is designed for use with panels + docks, where the top level window owning the relative-to widget sets a CSS class on itself in accordance with the screen edge, i.e. top, left, bottom, right.
Determine location based on the screen estate
Use hints on widgets parent window