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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * e-canvas-vbox.h
 * Copyright 2000, 2001, Ximian, Inc.
 *
 * Authors:
 *   Chris Lahey <clahey@ximian.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License, version 2, as published by the Free Software Foundation.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#ifndef __E_CANVAS_VBOX_H__
#define __E_CANVAS_VBOX_H__

#include <gtk/gtktypeutils.h>
#include <libgnomecanvas/gnome-canvas.h>

#ifdef __cplusplus
extern "C" {
#pragma }
#endif /* __cplusplus */

/* ECanvasVbox - A canvas item container.
 *
 * The following arguments are available:
 *
 * name     type        read/write  description
 * --------------------------------------------------------------------------------
 * width        double          RW              width of the CanvasVbox
 * height       double          R               height of the CanvasVbox
 * spacing      double          RW              Spacing between items.
 */

#define E_CANVAS_VBOX_TYPE          (e_canvas_vbox_get_type ())
#define E_CANVAS_VBOX(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), E_CANVAS_VBOX_TYPE, ECanvasVbox))
#define E_CANVAS_VBOX_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), E_CANVAS_VBOX_TYPE, ECanvasVboxClass))
#define E_IS_CANVAS_VBOX(obj)       (G_TYPE_CHECK_INSTANCE_TYPE ((obj), E_CANVAS_VBOX_TYPE))
#define E_IS_CANVAS_VBOX_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((obj), E_CANVAS_VBOX_TYPE))


typedef struct _ECanvasVbox       ECanvasVbox;
typedef struct _ECanvasVboxClass  ECanvasVboxClass;

struct _ECanvasVbox
{
    GnomeCanvasGroup parent;

    /* item specific fields */
    GList *items; /* Of type GnomeCanvasItem */

    double width;
    double minimum_width;
    double height;
    double spacing;
};

struct _ECanvasVboxClass
{
    GnomeCanvasGroupClass parent_class;

    /* Virtual methods. */
    void (* add_item) (ECanvasVbox *CanvasVbox, GnomeCanvasItem *item);
    void (* add_item_start) (ECanvasVbox *CanvasVbox, GnomeCanvasItem *item);
};

/* 
 * To be added to a CanvasVbox, an item must have the argument "width" as
 * a Read/Write argument and "height" as a Read Only argument.  It
 * should also do an ECanvas parent CanvasVbox request if its size
 * changes.
 */
void       e_canvas_vbox_add_item(ECanvasVbox *e_canvas_vbox, GnomeCanvasItem *item);
void       e_canvas_vbox_add_item_start(ECanvasVbox *e_canvas_vbox, GnomeCanvasItem *item);
GtkType    e_canvas_vbox_get_type (void);

#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __E_CANVAS_VBOX_H__ */