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constraint: Add a private header

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And move the only private ClutterConstraint method to it.

This commit also sneaks in a change that makes sense for the debugging
of the update_allocation() method, which checks if the allocation was
effectively changed.
This commit is contained in:
Emmanuele Bassi
2014-12-14 14:20:53 +00:00
parent 768b5b89e2
commit 82fffaedb6
7 changed files with 102 additions and 27 deletions
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56
clutter/clutter-constraint.c
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@ -1,3 +1,27 @@
/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 2010 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author:
* Emmanuele Bassi <ebassi@linux.intel.com>
*/
/**
* SECTION:clutter-constraint
* @Title: ClutterConstraint
@ -110,7 +134,7 @@
#include <string.h>
#include "clutter-constraint.h"
#include "clutter-constraint-private.h"
#include "clutter-actor.h"
#include "clutter-actor-meta-private.h"
@ -159,16 +183,32 @@ clutter_constraint_init (ClutterConstraint *self)
{
}
void
_clutter_constraint_update_allocation (ClutterConstraint *constraint,
ClutterActor *actor,
ClutterActorBox *allocation)
/*< private >
* clutter_constraint_update_allocation:
* @constraint: a #ClutterConstraint
* @actor: a #ClutterActor
* @allocation: (inout): the allocation to modify
*
* Asks the @constraint to update the @allocation of a #ClutterActor.
*
* Returns: %TRUE if the allocation was updated
*/
gboolean
clutter_constraint_update_allocation (ClutterConstraint *constraint,
ClutterActor *actor,
ClutterActorBox *allocation)
{
g_return_if_fail (CLUTTER_IS_CONSTRAINT (constraint));
g_return_if_fail (CLUTTER_IS_ACTOR (actor));
g_return_if_fail (allocation != NULL);
ClutterActorBox old_alloc;
g_return_val_if_fail (CLUTTER_IS_CONSTRAINT (constraint), FALSE);
g_return_val_if_fail (CLUTTER_IS_ACTOR (actor), FALSE);
g_return_val_if_fail (allocation != NULL, FALSE);
old_alloc = *allocation;
CLUTTER_CONSTRAINT_GET_CLASS (constraint)->update_allocation (constraint,
actor,
allocation);
return clutter_actor_box_equal (allocation, &old_alloc);
}