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cullable: Turn cull_out / reset_culling into a separate interface

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Instead of hardcoded knowledge of certain classes in MetaWindowGroup,
create a generic interface that all actors can implement to get parts of
their regions culled out during redraw, without needing any special
knowledge of how to handle a specific actor.

The names now are a bit suspect. MetaBackgroundGroup is a simple
MetaCullable that knows how to cull children, and MetaWindowGroup is the
"toplevel" cullable that computes the initial two regions. A future
cleanup here could be to merge MetaWindowGroup / MetaBackgroundGroup so
that we only have a generic MetaSimpleCullable, and move the "toplevel"
cullability to be a MetaCullableToplevel.

https://bugzilla.gnome.org/show_bug.cgi?id=714706
This commit is contained in:
Jasper St. Pierre
2013-11-21 15:25:08 -05:00
parent 0764b2058a
commit 74e43a4702
12 changed files with 379 additions and 211 deletions
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17
doc/reference/meta-sections.txt
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@ -388,6 +388,23 @@ MetaWindowActorPrivate
meta_window_actor_get_type
</SECTION>
<SECTION>
<FILE>meta-cullable</FILE>
<TITLE>MetaCullable</TITLE>
MetaCullable
MetaCullableInterface
meta_cullable_cull_out
meta_cullable_reset_culling
meta_cullable_cull_out_children
meta_cullable_reset_culling_children
<SUBSECTION Standard>
META_TYPE_CULLABLE
META_CULLABLE
META_IS_CULLABLE
META_CULLABLE_GET_IFACE
meta_cullable_get_type
</SECTION>
<SECTION>
<FILE>prefs</FILE>
MetaPreference