In commit 024d832d94, we introduced a
cascade-popdown property that makes closing a submenu
propagate up and close its parent menus. This is the
behavior we want when a menuitem in the submen is
activated.
What we overlooked is that we still need to be able to
close a submenu during navigation, before opening another
one. And in this case, propagating the closing is breaking
things. Fix this by adding a private close_submenu api
to GtkPopoverMenu that avoids the propagation.
Fixes: #3301
It is enough to just set the parent (and make the parent
call gtk_native_check_resize in size_allocate).
This commit removes the relative_to argument to the
constructors of GtkPopover and GtkPopoverMenu, and
updates all callers.
Menus traditionally don't have separate
hover and focus locations. Make the same
change here that we already did for
popover menubars: Track the active item
and set its selected state. Both keynav
and mouse change the active item.
