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listlistmodel: Add ::item-type and ::n-items

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This commit is contained in:
Benjamin Otte 2022-06-11 06:30:00 +02:00
parent b6ba8ecbd0
commit b91f60b4f9
1 changed files with 53 additions and 1 deletions
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54
gtk/gtklistlistmodel.c
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@ -48,6 +48,16 @@ struct _GtkListListModelClass
GObjectClass parent_class;
};
enum {
PROP_0,
PROP_ITEM_TYPE,
PROP_N_ITEMS,
N_PROPS
};
static GParamSpec *properties[N_PROPS] = { NULL, };
static GType
gtk_list_list_model_get_item_type (GListModel *list)
{
@ -109,6 +119,30 @@ G_DEFINE_TYPE_WITH_CODE (GtkListListModel, gtk_list_list_model,
G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, gtk_list_list_model_list_model_init))
static void
gtk_list_list_model_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkListListModel *self = GTK_LIST_LIST_MODEL (object);
switch (prop_id)
{
case PROP_ITEM_TYPE:
g_value_set_gtype (value, G_TYPE_OBJECT);
break;
case PROP_N_ITEMS:
g_value_set_uint (value, self->n_items);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_list_list_model_dispose (GObject *object)
{
@ -128,7 +162,20 @@ gtk_list_list_model_class_init (GtkListListModelClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = gtk_list_list_model_get_property;
object_class->dispose = gtk_list_list_model_dispose;
properties[PROP_ITEM_TYPE] =
g_param_spec_gtype ("item-type", NULL, NULL,
G_TYPE_OBJECT,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
properties[PROP_N_ITEMS] =
g_param_spec_uint ("n-items", NULL, NULL,
0, G_MAXUINT, 0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, properties);
}
static void
@ -231,6 +278,7 @@ gtk_list_list_model_item_added_at (GtkListListModel *self,
self->n_items += 1;
g_list_model_items_changed (G_LIST_MODEL (self), position, 0, 1);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_ITEMS]);
}
void
@ -292,6 +340,7 @@ gtk_list_list_model_item_removed_at (GtkListListModel *self,
self->n_items -= 1;
g_list_model_items_changed (G_LIST_MODEL (self), position, 1, 0);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_ITEMS]);
}
void
@ -310,7 +359,10 @@ gtk_list_list_model_clear (GtkListListModel *self)
self->notify = NULL;
if (n_items > 0)
g_list_model_items_changed (G_LIST_MODEL (self), 0, n_items, 0);
{
g_list_model_items_changed (G_LIST_MODEL (self), 0, n_items, 0);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_ITEMS]);
}
}