static void
gtk_pizza_position_child (GtkPizza *pizza,
GtkPizzaChild *child)
{
gint x;
gint y;
x = child->x - pizza->xoffset;
y = child->y - pizza->yoffset;
if (IS_ONSCREEN (x,y))
{
if (GTK_WIDGET_MAPPED (pizza) &&
GTK_WIDGET_VISIBLE (child->widget))
{
if (!GTK_WIDGET_MAPPED (child->widget))
gtk_widget_map (child->widget);
}
if (GTK_WIDGET_IS_OFFSCREEN (child->widget))
GTK_PRIVATE_UNSET_FLAG (child->widget, GTK_IS_OFFSCREEN);
}
else
{
if (!GTK_WIDGET_IS_OFFSCREEN (child->widget))
GTK_PRIVATE_SET_FLAG (child->widget, GTK_IS_OFFSCREEN);
if (GTK_WIDGET_MAPPED (child->widget))
gtk_widget_unmap (child->widget);
}
}
static void
do_size_request (GtkWidget *widget)
{
if (GTK_WIDGET_REQUEST_NEEDED (widget))
{
gtk_widget_ensure_style (widget);
GTK_PRIVATE_UNSET_FLAG (widget, GTK_REQUEST_NEEDED);
g_signal_emit_by_name (widget,
"size-request",
&widget->requisition);
}
}
static void
gtk_pizza_remove (GtkContainer *container,
GtkWidget *widget)
{
GtkPizza *pizza;
GtkPizzaChild *child;
GList *children;
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_PIZZA (container));
g_return_if_fail (widget != NULL);
pizza = GTK_PIZZA (container);
children = pizza->children;
while (children)
{
child = children->data;
if (child->widget == widget)
{
gtk_widget_unparent (widget);
/* security checks */
g_return_if_fail (GTK_IS_WIDGET (widget));
pizza->children = g_list_remove_link (pizza->children, children);
g_list_free (children);
g_free (child);
/* security checks */
g_return_if_fail (GTK_IS_WIDGET (widget));
GTK_PRIVATE_UNSET_FLAG (widget, GTK_IS_OFFSCREEN);
break;
}
children = children->next;
}
}
