dw_container.c

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#include <gtk/gtk.h>
#include "dw_container.h"

static void Dw_container_init(DwContainer * container);
static void Dw_container_class_init(DwContainerClass * klass);

static void Dw_container_destroy(GtkObject * object);

enum {
	ADD,
	REMOVE,
	LAST_SIGNAL
};

// static guint container_signals[LAST_SIGNAL] = { 0 };

static DwWidgetClass *parent_class;


/*
 * Standard Gtk+ function
 */
GtkType a_Dw_container_get_type(void)
{
	static GtkType type = 0;

	if (!type) {
		GtkTypeInfo info = {
			"DwContainer",
			sizeof(DwContainer),
			sizeof(DwContainerClass),
			(GtkClassInitFunc) Dw_container_class_init,
			(GtkObjectInitFunc) Dw_container_init,
			(GtkArgSetFunc) NULL,
			(GtkArgGetFunc) NULL,
		};

		type = gtk_type_unique(DW_TYPE_WIDGET, &info);
	}

	return type;
}


/*
 * Standard Gtk+ function
 */
static void Dw_container_init(DwContainer * container)
{
}


/*
 * Standard Gtk+ function
 */
static void Dw_container_class_init(DwContainerClass * klass)
{
	GtkObjectClass *object_class;

	parent_class = gtk_type_class(DW_TYPE_WIDGET);
	object_class = GTK_OBJECT_CLASS(klass);

#if 0
	container_signals[ADD] = gtk_signal_new("add", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET(DwContainerClass, add), gtk_marshal_NONE__POINTER, GTK_TYPE_NONE, 1, GTK_TYPE_WIDGET);
	container_signals[REMOVE] = gtk_signal_new("remove", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET(DwContainerClass, remove), gtk_marshal_NONE__POINTER, GTK_TYPE_NONE, 1, GTK_TYPE_WIDGET);
#endif

	object_class->destroy = Dw_container_destroy;
}


/*
 * Standard Gtk+ function
 */
static void Dw_container_destroy(GtkObject * object)
{
	a_Dw_container_forall(DW_CONTAINER(object), (DwCallback) gtk_object_destroy, NULL);

	GTK_OBJECT_CLASS(parent_class)->destroy(object);
}



/*
 * Add a widget in a "standard" way. Currently not used in dillo,
 * perhaps never needed.
 */
void a_Dw_container_add(DwContainer * container, DwWidget * child)
{
	DwContainerClass *klass;

	klass = DW_CONTAINER_CLASS(GTK_OBJECT(container)->klass);
	if (klass->add)
		(*(klass->add)) (container, child);
}


/*
 *
 */
void a_Dw_container_forall(DwContainer * container, DwCallback callback, gpointer callback_data)
{
	DwContainerClass *klass;

	klass = DW_CONTAINER_CLASS(GTK_OBJECT(container)->klass);
	if (klass->forall)
		(*(klass->forall)) (container, callback, callback_data);
}


/*****************************************************************************/

/* todo: a_ function? */
void Dw_container_remove(DwContainer * container, DwWidget * child)
{
	DwContainerClass *klass;

	klass = DW_CONTAINER_CLASS(GTK_OBJECT(container)->klass);
	if (klass->remove)
		(*(klass->remove)) (container, child);
}