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stack: Add ::item-type and ::n-items to the pages list

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This commit is contained in:
Benjamin Otte 2022-06-11 07:34:07 +02:00
parent fd4562aac9
commit cbc3d3f3ec
1 changed files with 63 additions and 5 deletions
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68
gtk/gtkstack.c
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@ -498,6 +498,16 @@ struct _GtkStackPagesClass
GObjectClass parent_class;
};
enum {
PAGES_PROP_0,
PAGES_PROP_ITEM_TYPE,
PAGES_PROP_N_ITEMS,
PAGES_N_PROPS
};
static GParamSpec *pages_properties[PAGES_N_PROPS] = { NULL, };
static GType
gtk_stack_pages_get_item_type (GListModel *model)
{
@ -582,14 +592,53 @@ G_DEFINE_TYPE_WITH_CODE (GtkStackPages, gtk_stack_pages, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, gtk_stack_pages_list_model_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_SELECTION_MODEL, gtk_stack_pages_selection_model_init))
static void
gtk_stack_pages_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkStackPages *self = GTK_STACK_PAGES (object);
switch (prop_id)
{
case PAGES_PROP_ITEM_TYPE:
g_value_set_gtype (value, GTK_TYPE_STACK_PAGE);
break;
case PAGES_PROP_N_ITEMS:
g_value_set_uint (value, gtk_stack_pages_get_n_items (G_LIST_MODEL (self)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_stack_pages_init (GtkStackPages *pages)
{
}
static void
gtk_stack_pages_class_init (GtkStackPagesClass *class)
gtk_stack_pages_class_init (GtkStackPagesClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = gtk_stack_pages_get_property;
pages_properties[PAGES_PROP_ITEM_TYPE] =
g_param_spec_gtype ("item-type", NULL, NULL,
GTK_TYPE_STACK_PAGE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
pages_properties[PAGES_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, PAGES_N_PROPS, pages_properties);
}
static GtkStackPages *
@ -680,8 +729,11 @@ gtk_stack_dispose (GObject *obj)
while ((child = gtk_widget_get_first_child (GTK_WIDGET (stack))))
stack_remove (stack, child, TRUE);
if (priv->pages)
g_list_model_items_changed (G_LIST_MODEL (priv->pages), 0, n_pages, 0);
if (priv->pages && n_pages > 0)
{
g_list_model_items_changed (G_LIST_MODEL (priv->pages), 0, n_pages, 0);
g_object_notify_by_pspec (G_OBJECT (priv->pages), pages_properties[PAGES_PROP_N_ITEMS]);
}
G_OBJECT_CLASS (gtk_stack_parent_class)->dispose (obj);
}
@ -1535,7 +1587,10 @@ gtk_stack_add_page (GtkStack *stack,
gtk_widget_set_parent (child_info->widget, GTK_WIDGET (stack));
if (priv->pages)
g_list_model_items_changed (G_LIST_MODEL (priv->pages), g_list_length (priv->children) - 1, 0, 1);
{
g_list_model_items_changed (G_LIST_MODEL (priv->pages), g_list_length (priv->children) - 1, 0, 1);
g_object_notify_by_pspec (G_OBJECT (priv->pages), pages_properties[PAGES_PROP_N_ITEMS]);
}
g_signal_connect (child_info->widget, "notify::visible",
G_CALLBACK (stack_child_visibility_notify_cb), stack);
@ -1616,7 +1671,10 @@ gtk_stack_remove (GtkStack *stack,
stack_remove (stack, child, FALSE);
if (priv->pages)
g_list_model_items_changed (G_LIST_MODEL (priv->pages), position, 1, 0);
{
g_list_model_items_changed (G_LIST_MODEL (priv->pages), position, 1, 0);
g_object_notify_by_pspec (G_OBJECT (priv->pages), pages_properties[PAGES_PROP_N_ITEMS]);
}
}
/**