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state: added a "target-state" property

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When set the ClutterState transitions to the new state.
This commit is contained in:
Øyvind Kolås 2010-05-21 10:37:42 +01:00
parent 9c4467707f
commit d156550633
1 changed files with 76 additions and 11 deletions
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87
clutter/clutter-state.c
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@ -111,6 +111,12 @@ typedef struct _ClutterStateKey
gint ref_count; /* reference count for boxed life time */ gint ref_count; /* reference count for boxed life time */
} _ClutterStateKey; } _ClutterStateKey;
enum
{
PROP_0,
PROP_TARGET_STATE
};
enum enum
{ {
COMPLETED, COMPLETED,
@ -443,7 +449,7 @@ clutter_state_change (ClutterState *this,
g_return_val_if_fail (target_state_name != NULL, NULL); g_return_val_if_fail (target_state_name != NULL, NULL);
if (target_state_name == NULL) if (target_state_name == NULL)
target_state_name = "default"; target_state_name = g_intern_static_string ("default");
target_state_name = g_intern_string (target_state_name); target_state_name = g_intern_string (target_state_name);
if (priv->target_state_name == NULL) if (priv->target_state_name == NULL)
@ -464,6 +470,8 @@ clutter_state_change (ClutterState *this,
priv->source_state_name = priv->target_state_name; priv->source_state_name = priv->target_state_name;
priv->target_state_name = target_state_name; priv->target_state_name = target_state_name;
g_object_notify (G_OBJECT (this), "target-state");
if (animate) if (animate)
{ {
guint duration; guint duration;
@ -562,11 +570,11 @@ clutter_state_change (ClutterState *this,
*/ */
void void
clutter_state_set (ClutterState *state, clutter_state_set (ClutterState *state,
const gchar *source_state_name, const gchar *source_state_name,
const gchar *target_state_name, const gchar *target_state_name,
gpointer first_object, gpointer first_object,
const gchar *first_property_name, const gchar *first_property_name,
gulong first_mode, gulong first_mode,
...) ...)
{ {
GObjectClass *klass; GObjectClass *klass;
@ -855,10 +863,12 @@ clutter_state_get_keys (ClutterState *state,
{ {
ClutterStateKey *key = k->data; ClutterStateKey *key = k->data;
if ((object == NULL || (object == key->object)) && if ( (object == NULL || (object == key->object))
(source_state_name == NULL || source_state == key->source_state) && && (source_state_name == NULL
(property_name == NULL || ||source_state == key->source_state)
((property_name == key->property_name)))) && (property_name == NULL
||(property_name == key->property_name))
)
{ {
targets = g_list_prepend (targets, key); targets = g_list_prepend (targets, key);
} }
@ -923,14 +933,54 @@ clutter_state_get_timeline (ClutterState *state)
return state->priv->timeline; return state->priv->timeline;
} }
static void
clutter_state_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ClutterState *state = CLUTTER_STATE (object);
switch (prop_id)
{
case PROP_TARGET_STATE:
clutter_state_change (state, g_value_get_string (value), TRUE);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
clutter_state_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
ClutterState *state = CLUTTER_STATE (object);
switch (prop_id)
{
case PROP_TARGET_STATE:
g_value_set_string (value,
clutter_state_get_target_state (state));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void static void
clutter_state_class_init (ClutterStateClass *klass) clutter_state_class_init (ClutterStateClass *klass)
{ {
GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GParamSpec *pspec;
g_type_class_add_private (klass, sizeof (ClutterStatePrivate)); g_type_class_add_private (klass, sizeof (ClutterStatePrivate));
gobject_class->finalize = clutter_state_finalize; gobject_class->finalize = clutter_state_finalize;
gobject_class->set_property = clutter_state_set_property;
gobject_class->get_property = clutter_state_get_property;
/** /**
* ClutterState::completed: * ClutterState::completed:
@ -949,6 +999,21 @@ clutter_state_class_init (ClutterStateClass *klass)
NULL, NULL, NULL, NULL,
clutter_marshal_VOID__VOID, clutter_marshal_VOID__VOID,
G_TYPE_NONE, 0); G_TYPE_NONE, 0);
/**
* ClutterState:target-state:
*
* The currently set target state, setting it causes the
* state machine to transition to the new state, use
* clutter_state_change() directly to directly jump to
* a state.
*/
pspec = g_param_spec_string ("target-state",
"Target State",
"Currently set state",
"default",
CLUTTER_PARAM_READWRITE);
g_object_class_install_property (gobject_class, PROP_TARGET_STATE, pspec);
} }
static void static void