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clutter/actor: Allow animating content properties

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ClutterActor allows animating effects, constraints, actions,
and the layout manager for property transitions. Extend this
functionality to the content as well.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1301
This commit is contained in:
Georges Basile Stavracas Neto 2020-06-09 15:06:53 -03:00
parent 49e983b06e
commit 268336c21a
1 changed files with 61 additions and 1 deletions
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62
clutter/clutter/clutter-actor.c
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@ -446,7 +446,8 @@
* ]|
*
* - the initial `@` is mandatory
* - the `section` fragment can be one between "actions", "constraints" and "effects"
* - the `section` fragment can be one between "actions", "constraints", "content",
* and "effects"
* - the `meta-name` fragment is the name of the action, effect, or constraint, as
* specified by the #ClutterActorMeta:name property of #ClutterActorMeta
* - the `property-name` fragment is the name of the action, effect, or constraint
@ -14622,6 +14623,37 @@ get_layout_from_animation_property (ClutterActor *actor,
return TRUE;
}
static gboolean
get_content_from_animation_property (ClutterActor *actor,
const gchar *name,
gchar **name_p)
{
g_auto (GStrv) tokens = NULL;
if (!g_str_has_prefix (name, "@content"))
return FALSE;
if (!actor->priv->content)
{
CLUTTER_NOTE (ANIMATION, "No ClutterContent available for '%s'",
name + 1);
return FALSE;
}
tokens = g_strsplit (name, ".", -1);
if (tokens == NULL || g_strv_length (tokens) != 2)
{
CLUTTER_NOTE (ANIMATION, "Invalid property name '%s'",
name + 1);
return FALSE;
}
if (name_p != NULL)
*name_p = g_strdup (tokens[1]);
return TRUE;
}
static ClutterActorMeta *
get_meta_from_animation_property (ClutterActor *actor,
const gchar *name,
@ -14689,6 +14721,7 @@ clutter_actor_find_property (ClutterAnimatable *animatable,
GObjectClass *klass = NULL;
GParamSpec *pspec = NULL;
gchar *p_name = NULL;
gboolean use_content = FALSE;
gboolean use_layout;
use_layout = get_layout_from_animation_property (actor,
@ -14696,6 +14729,11 @@ clutter_actor_find_property (ClutterAnimatable *animatable,
&p_name);
if (!use_layout)
use_content = get_content_from_animation_property (actor,
property_name,
&p_name);
if (!use_layout && !use_content)
meta = get_meta_from_animation_property (actor,
property_name,
&p_name);
@ -14710,6 +14748,12 @@ clutter_actor_find_property (ClutterAnimatable *animatable,
{
klass = G_OBJECT_GET_CLASS (actor->priv->layout_manager);
pspec = g_object_class_find_property (klass, p_name);
}
else if (use_content)
{
klass = G_OBJECT_GET_CLASS (actor->priv->content);
pspec = g_object_class_find_property (klass, p_name);
}
else
@ -14732,6 +14776,7 @@ clutter_actor_get_initial_state (ClutterAnimatable *animatable,
ClutterActor *actor = CLUTTER_ACTOR (animatable);
ClutterActorMeta *meta = NULL;
gchar *p_name = NULL;
gboolean use_content = FALSE;
gboolean use_layout;
use_layout = get_layout_from_animation_property (actor,
@ -14739,6 +14784,11 @@ clutter_actor_get_initial_state (ClutterAnimatable *animatable,
&p_name);
if (!use_layout)
use_content = get_content_from_animation_property (actor,
property_name,
&p_name);
if (!use_layout && !use_content)
meta = get_meta_from_animation_property (actor,
property_name,
&p_name);
@ -14747,6 +14797,8 @@ clutter_actor_get_initial_state (ClutterAnimatable *animatable,
g_object_get_property (G_OBJECT (meta), p_name, initial);
else if (use_layout)
g_object_get_property (G_OBJECT (actor->priv->layout_manager), p_name, initial);
else if (use_content)
g_object_get_property (G_OBJECT (actor->priv->content), p_name, initial);
else
g_object_get_property (G_OBJECT (animatable), property_name, initial);
@ -14897,6 +14949,7 @@ clutter_actor_set_final_state (ClutterAnimatable *animatable,
ClutterActor *actor = CLUTTER_ACTOR (animatable);
ClutterActorMeta *meta = NULL;
gchar *p_name = NULL;
gboolean use_content = FALSE;
gboolean use_layout;
use_layout = get_layout_from_animation_property (actor,
@ -14904,6 +14957,11 @@ clutter_actor_set_final_state (ClutterAnimatable *animatable,
&p_name);
if (!use_layout)
use_content = get_content_from_animation_property (actor,
property_name,
&p_name);
if (!use_layout && !use_content)
meta = get_meta_from_animation_property (actor,
property_name,
&p_name);
@ -14912,6 +14970,8 @@ clutter_actor_set_final_state (ClutterAnimatable *animatable,
g_object_set_property (G_OBJECT (meta), p_name, final);
else if (use_layout)
g_object_set_property (G_OBJECT (actor->priv->layout_manager), p_name, final);
else if (use_content)
g_object_set_property (G_OBJECT (actor->priv->content), p_name, final);
else
{
GObjectClass *obj_class = G_OBJECT_GET_CLASS (animatable);