[Wayland-bugs] [Bug 776225] [wayland] dropdown placed somewhere in the screen

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=776225

--- Comment #5 from Olivier Fourdan <ofourdan at redhat.com> ---
Created attachment 342930
  --> https://bugzilla.gnome.org/attachment.cgi?id=342930&action=edit
[PATCH gtk-3-22] wayland: translate subsurfaces coordinates

When mapping a popup window from a popover, which under Wayland is
translated as a subsurface with the root window as parent, the menu
appears misplaced, located according to the toplevel  location instead
of the subsurface location.

When the parent of a popup window is a subsurface, translate the
coordinates back to the toplevel coordinates so that move_to_rect()
correctly locates the popup in the subsurface.

--

Note, it's *meh* but it appears to do the job... i.e., I'm not proud of this
patch but failed to find a better solution without a lot of potential impact
elsewhere...

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