path: root/widgets/menus/gal-view-factory.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * gal-view-factory.c: A View Factory
 *
 * Authors:
 *   Chris Lahey (clahey@helixcode.com)
 *
 * (C) 2000 Helix Code, Inc.
 */
#include <config.h>
#include "gal-view-factory.h"

#define GVF_CLASS(e) ((GalViewFactoryClass *)((GtkObject *)e)->klass)

#define PARENT_TYPE gtk_object_get_type ()

#define d(x)

d(static gint depth = 0);

static GtkObjectClass *gal_view_factory_parent_class;

/**
 * gal_view_factory_get_title:
 * @factory: The factory to query.
 *
 * Returns: The title of the factory.
 */
const char *
gal_view_factory_get_title       (GalViewFactory *factory)
{
    g_return_val_if_fail (factory != NULL, 0);
    g_return_val_if_fail (GAL_IS_VIEW_FACTORY (factory), 0);

    if (GVF_CLASS (factory)->get_title)
        return GVF_CLASS (factory)->get_title (factory);
    else
        return NULL;
}

/**
 * gal_view_factory_new_view:
 * @factory: The factory to use
 * @name: the name for the view.
 *
 * Returns: The new view
 */
GalView *
gal_view_factory_new_view        (GalViewFactory *factory,
                  const char     *name)
{
    g_return_val_if_fail (factory != NULL, NULL);
    g_return_val_if_fail (GAL_IS_VIEW_FACTORY (factory), NULL);

    if (GVF_CLASS (factory)->new_view)
        return GVF_CLASS (factory)->new_view (factory, name);
    else
        return NULL;
}

/**
 * gal_view_factory_get_type_code:
 * @factory: The factory to use
 *
 * Returns: The type code
 */
const char *
gal_view_factory_get_type_code (GalViewFactory *factory)
{
    g_return_val_if_fail (factory != NULL, NULL);
    g_return_val_if_fail (GAL_IS_VIEW_FACTORY (factory), NULL);

    if (GVF_CLASS (factory)->get_type_code)
        return GVF_CLASS (factory)->get_type_code (factory);
    else
        return NULL;
}

static void
gal_view_factory_class_init      (GtkObjectClass *object_class)
{
    GalViewFactoryClass *klass = GAL_VIEW_FACTORY_CLASS(object_class);
    gal_view_factory_parent_class = gtk_type_class (PARENT_TYPE);
    
    klass->get_title = NULL;     
    klass->new_view  = NULL;     
}

GtkType
gal_view_factory_get_type        (void)
{
    static guint type = 0;
    
    if (!type)
    {
        GtkTypeInfo info =
        {
            "GalViewFactory",
            sizeof (GalViewFactory),
            sizeof (GalViewFactoryClass),
            (GtkClassInitFunc) gal_view_factory_class_init,
            NULL,
            /* reserved_1 */ NULL,
            /* reserved_2 */ NULL,
            (GtkClassInitFunc) NULL,
        };
        
        type = gtk_type_unique (PARENT_TYPE, &info);
    }

    return type;
}