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st/bin: Use class handlers for ::child-{added,removed}

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Now these signals are directly on ClutterActor, we can use class handlers
instead

Note we don't make the same change to StScrollView as it would clash
with the internal children.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3014>
This commit is contained in:
Zander Brown 2023-11-09 15:45:29 +00:00
parent 552f1456eb
commit 0204920d8c
1 changed files with 43 additions and 43 deletions
Download patch file Download diff file Expand all files Collapse all files

86
src/st/st-bin.c
View file

@ -176,6 +176,47 @@ st_bin_get_preferred_height (ClutterActor *self,
st_theme_node_adjust_preferred_height (theme_node, min_height_p, natural_height_p);
}
static void
set_child (StBin *bin, ClutterActor *child)
{
StBinPrivate *priv = st_bin_get_instance_private (bin);
if (!g_set_weak_pointer (&priv->child, child))
return;
clutter_actor_queue_relayout (CLUTTER_ACTOR (bin));
g_object_notify_by_pspec (G_OBJECT (bin), props[PROP_CHILD]);
}
static void
st_bin_child_added (ClutterActor *container,
ClutterActor *actor)
{
StBin *bin = ST_BIN (container);
StBinPrivate *priv = st_bin_get_instance_private (bin);
if (priv->child)
g_warning ("Attempting to add an actor of type %s to "
"an StBin, but the bin already contains a %s. "
"Was add_child() used repeatedly?",
G_OBJECT_TYPE_NAME (actor),
G_OBJECT_TYPE_NAME (priv->child));
set_child (ST_BIN (container), actor);
}
static void
st_bin_child_removed (ClutterActor *container,
ClutterActor *actor)
{
StBin *bin = ST_BIN (container);
StBinPrivate *priv = st_bin_get_instance_private (bin);
if (priv->child == actor)
set_child (bin, NULL);
}
static void
st_bin_popup_menu (StWidget *widget)
{
@ -266,6 +307,8 @@ st_bin_class_init (StBinClass *klass)
actor_class->get_preferred_width = st_bin_get_preferred_width;
actor_class->get_preferred_height = st_bin_get_preferred_height;
actor_class->allocate = st_bin_allocate;
actor_class->child_added = st_bin_child_added;
actor_class->child_removed = st_bin_child_removed;
widget_class->popup_menu = st_bin_popup_menu;
widget_class->navigate_focus = st_bin_navigate_focus;
@ -285,52 +328,9 @@ st_bin_class_init (StBinClass *klass)
g_object_class_install_properties (gobject_class, N_PROPS, props);
}
static void
set_child (StBin *bin, ClutterActor *child)
{
StBinPrivate *priv = st_bin_get_instance_private (bin);
if (!g_set_weak_pointer (&priv->child, child))
return;
clutter_actor_queue_relayout (CLUTTER_ACTOR (bin));
g_object_notify_by_pspec (G_OBJECT (bin), props[PROP_CHILD]);
}
static void
actor_added (ClutterActor *container,
ClutterActor *actor)
{
StBin *bin = ST_BIN (container);
StBinPrivate *priv = st_bin_get_instance_private (bin);
if (priv->child)
g_warning ("Attempting to add an actor of type %s to "
"an StBin, but the bin already contains a %s. "
"Was add_child() used repeatedly?",
G_OBJECT_TYPE_NAME (actor),
G_OBJECT_TYPE_NAME (priv->child));
set_child (ST_BIN (container), actor);
}
static void
actor_removed (ClutterActor *container,
ClutterActor *actor)
{
StBin *bin = ST_BIN (container);
StBinPrivate *priv = st_bin_get_instance_private (bin);
if (priv->child == actor)
set_child (bin, NULL);
}
static void
st_bin_init (StBin *bin)
{
g_signal_connect (bin, "actor-added", G_CALLBACK (actor_added), NULL);
g_signal_connect (bin, "actor-removed", G_CALLBACK (actor_removed), NULL);
}
/**