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stage: Add accessors for :use-alpha

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Use real accessors for the :use-alpha property.
This commit is contained in:
Emmanuele Bassi 2009-12-09 02:04:56 +00:00
parent 3b075b6dc4
commit 1208e47198
3 changed files with 57 additions and 2 deletions
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53
clutter/clutter-stage.c
View File

@ -669,8 +669,7 @@ clutter_stage_set_property (GObject *object,
break;
case PROP_USE_ALPHA:
stage->priv->use_alpha = g_value_get_boolean (value);
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
clutter_stage_set_use_alpha (stage, g_value_get_boolean (value));
break;
default:
@ -2164,3 +2163,53 @@ clutter_stage_get_throttle_motion_events (ClutterStage *stage)
return stage->priv->throttle_motion_events;
}
/**
* clutter_stage_set_use_alpha:
* @stage: a #ClutterStage
* @use_alpha: whether the stage should honour the opacity or the
* alpha channel of the stage color
*
* Sets whether the @stage should honour the #ClutterActor:opacity and
* the alpha channel of the #ClutterStage:color
*
* Since: 1.2
*/
void
clutter_stage_set_use_alpha (ClutterStage *stage,
gboolean use_alpha)
{
ClutterStagePrivate *priv;
g_return_if_fail (CLUTTER_IS_STAGE (stage));
priv = stage->priv;
if (priv->use_alpha != use_alpha)
{
priv->use_alpha = use_alpha;
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
g_object_notify (G_OBJECT (stage), "use-alpha");
}
}
/**
* clutter_stage_get_use_alpha:
* @stage: a #ClutterStage
*
* Retrieves the value set using clutter_stage_set_use_alpha()
*
* Return value: %TRUE if the stage should honour the opacity and the
* alpha channel of the stage color
*
* Since: 1.2
*/
gboolean
clutter_stage_get_use_alpha (ClutterStage *stage)
{
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE);
return stage->priv->use_alpha;
}

4
clutter/clutter-stage.h
View File

@ -247,6 +247,10 @@ void clutter_stage_set_throttle_motion_events (ClutterStage *stage,
gboolean throttle);
gboolean clutter_stage_get_throttle_motion_events (ClutterStage *stage);
void clutter_stage_set_use_alpha (ClutterStage *stage,
gboolean use_alpha);
gboolean clutter_stage_get_use_alpha (ClutterStage *stage);
/* Commodity macro, for mallum only */
#define clutter_stage_add(stage,actor) G_STMT_START { \
if (CLUTTER_IS_STAGE ((stage)) && CLUTTER_IS_ACTOR ((actor))) \

2
doc/reference/clutter/clutter-sections.txt
View File

@ -522,6 +522,8 @@ clutter_stage_get_key_focus
clutter_stage_read_pixels
clutter_stage_set_throttle_motion_events
clutter_stage_get_throttle_motion_events
clutter_stage_set_use_alpha
clutter_stage_get_use_alpha
<SUBSECTION>
ClutterPerspective