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actor: Document fields of ClutterActorPrivate

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The private data structure members could do with more comments
documenting what they do.
This commit is contained in:
Emmanuele Bassi 2011-12-09 17:17:21 +00:00 committed by Emmanuele Bassi
parent 9eed2f58a6
commit ea7111333b
1 changed files with 18 additions and 0 deletions
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18
clutter/clutter-actor.c
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@ -365,12 +365,21 @@ struct _ClutterActorPrivate
guint cached_height_age; guint cached_height_age;
guint cached_width_age; guint cached_width_age;
/* the bounding box of the actor, relative to the parent's
* allocation
*/
ClutterActorBox allocation; ClutterActorBox allocation;
ClutterAllocationFlags allocation_flags; ClutterAllocationFlags allocation_flags;
/* depth */ /* depth */
gfloat z; gfloat z;
/* clip, in actor coordinates; offsets are:
* 0: x
* 1: y
* 2: width
* 3: height
*/
gfloat clip[4]; gfloat clip[4];
/* the cached transformation matrix; see apply_transform() */ /* the cached transformation matrix; see apply_transform() */
@ -395,9 +404,17 @@ struct _ClutterActorPrivate
gint32 pick_id; /* per-stage unique id, used for picking */ gint32 pick_id; /* per-stage unique id, used for picking */
/* a back-pointer to the Pango context that we can use
* to create pre-configured PangoLayout
*/
PangoContext *pango_context; PangoContext *pango_context;
/* the text direction configured for this child - either by
* application code, or by the actor's parent
*/
ClutterTextDirection text_direction; ClutterTextDirection text_direction;
/* a counter used to toggle the CLUTTER_INTERNAL_CHILD flag */
gint internal_child; gint internal_child;
/* meta classes */ /* meta classes */
@ -405,6 +422,7 @@ struct _ClutterActorPrivate
ClutterMetaGroup *constraints; ClutterMetaGroup *constraints;
ClutterMetaGroup *effects; ClutterMetaGroup *effects;
/* delegate object used to allocate the children of this actor */
ClutterLayoutManager *layout_manager; ClutterLayoutManager *layout_manager;
/* used when painting, to update the paint volume */ /* used when painting, to update the paint volume */