Florian Müllner f6a08472a0 st: Do not force allocation updates during shadow creation
If an actor is pending a relayout when get_allocation_box() is called,
the method forces an allocation update. In case of StWidget, this might
then result in a style update and a consecutive invalidation of the
shadow spec.

A helper method that invalidates one of its parameters as a side effect
(and by extension its return value as well) is most unexpected, so cur-
rently _st_create_shadow_pipeline_from_actor() poses an easy trap to
callers to run into.

Remove that trap by calling get_size()/get_position() instead, which
don't have the unintended side effect - it is still a good idea to fix
callers who were running into this to not waste resources on creating
shadows that are invalidated before the next paint, but throwing un-
defined behavior at them is harsh ...

https://bugzilla.gnome.org/show_bug.cgi?id=788908
2018-04-11 19:29:25 +00:00
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2011-05-23 09:15:58 -04:00
2018-03-12 12:17:03 +01:00
2014-04-04 19:32:09 +02:00

GNOME Shell provides core user interface functions for the GNOME 3 desktop,
like switching to windows and launching applications. GNOME Shell takes
advantage of the capabilities of modern graphics hardware and introduces
innovative user interface concepts to provide a visually attractive and
easy to use experience.

For more information about GNOME Shell, including instructions on how
to build GNOME Shell from source and how to get involved with the project,
see:

 https://wiki.gnome.org/Projects/GnomeShell

Bugs should be reported at http://bugzilla.gnome.org against the 'gnome-shell'
product.

License
=======
GNOME Shell is distributed under the terms of the GNU General Public License,
version 2 or later. See the COPYING file for details.

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