[Wayland-bugs] [Bug 748763] warnings when starting drag from GtkEntries

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=748763

--- Comment #2 from Carlos Garnacho <carlosg at gnome.org> ---
Created attachment 302731
  --> https://bugzilla.gnome.org/attachment.cgi?id=302731&action=edit
wayland: Keep DnD icon surfaces' wl_surface static

If the DnD icon is replaced along gtkdnd.c, the window will be
subsequently unmapped, destroying the wl_surface with it.

As the wl_surface is supposed to remain during all the operation,
and just be left an empty buffer if no DnD icon is not meant to be
shown at some point, make it sure the DnD icon wl_surface survives
hide/show cycles.

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