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actor: Default to a fixed layout manager

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In case no layout manager was set during construction, we fall back to a
FixedLayout. The FixedLayout has the property of making the fixed
positioning and sizing API, as well as the various Constraints, work
out of the box.
This commit is contained in:
Emmanuele Bassi 2011-12-08 11:57:19 +00:00 committed by Emmanuele Bassi
parent 11e876c86b
commit 1c40151d0e
1 changed files with 17 additions and 0 deletions
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17
clutter/clutter-actor.c
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@ -308,6 +308,7 @@
#include "clutter-debug.h"
#include "clutter-effect-private.h"
#include "clutter-enum-types.h"
#include "clutter-fixed-layout.h"
#include "clutter-main.h"
#include "clutter-marshal.h"
#include "clutter-flatten-effect.h"
@ -3944,6 +3945,21 @@ clutter_actor_real_has_overlaps (ClutterActor *self)
return TRUE;
}
static void
clutter_actor_constructed (GObject *gobject)
{
ClutterActor *self = CLUTTER_ACTOR (gobject);
/* if we weren't constructed with a layout manager, we fall back to a
* fixed layout; this is the most sensible option, as it will make
* things like constraints work out of the box
*/
if (self->priv->layout_manager == NULL)
clutter_actor_set_layout_manager (self, clutter_fixed_layout_new ());
G_OBJECT_CLASS (clutter_actor_parent_class)->constructed (gobject);
}
static void
clutter_actor_class_init (ClutterActorClass *klass)
{
@ -3952,6 +3968,7 @@ clutter_actor_class_init (ClutterActorClass *klass)
quark_shader_data = g_quark_from_static_string ("-clutter-actor-shader-data");
object_class->constructed = clutter_actor_constructed;
object_class->set_property = clutter_actor_set_property;
object_class->get_property = clutter_actor_get_property;
object_class->dispose = clutter_actor_dispose;