/* GTK - The GIMP Toolkit

 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 *

 * GtkLayout: Widget for scrolling of arbitrary-sized areas.

 *

 * Copyright Owen Taylor, 1998

 */

/*

 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GTK+ Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.

 */

#ifndef __GTK_LAYOUT_H__

#define __GTK_LAYOUT_H__

#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)

#error "Only <gtk/gtk.h> can be included directly."

#endif

#include <gtk/gtkcontainer.h>

#include <gtk/gtkadjustment.h>

G_BEGIN_DECLS

#define GTK_TYPE_LAYOUT            (gtk_layout_get_type ())

#define GTK_LAYOUT(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_LAYOUT, GtkLayout))

#define GTK_LAYOUT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_LAYOUT, GtkLayoutClass))

#define GTK_IS_LAYOUT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_LAYOUT))

#define GTK_IS_LAYOUT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_LAYOUT))

#define GTK_LAYOUT_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_LAYOUT, GtkLayoutClass))

typedef struct _GtkLayout        GtkLayout;

typedef struct _GtkLayoutClass   GtkLayoutClass;

struct _GtkLayout

{

  GtkContainer GSEAL (container);

  GList *GSEAL (children);

  guint GSEAL (width);

  guint GSEAL (height);

  GtkAdjustment *GSEAL (hadjustment);

  GtkAdjustment *GSEAL (vadjustment);

  /*< public >*/

  GdkWindow *GSEAL (bin_window);

  /*< private >*/

  GdkVisibilityState GSEAL (visibility);

  gint GSEAL (scroll_x);

  gint GSEAL (scroll_y);

  guint GSEAL (freeze_count);

};

struct _GtkLayoutClass

{

  GtkContainerClass parent_class;

  void  (*set_scroll_adjustments)   (GtkLayout	    *layout,

				     GtkAdjustment  *hadjustment,

				     GtkAdjustment  *vadjustment);

  /* Padding for future expansion */

  void (*_gtk_reserved1) (void);

  void (*_gtk_reserved2) (void);

  void (*_gtk_reserved3) (void);

  void (*_gtk_reserved4) (void);

};

GType          gtk_layout_get_type        (void) G_GNUC_CONST;

GtkWidget*     gtk_layout_new             (GtkAdjustment *hadjustment,

				           GtkAdjustment *vadjustment);

GdkWindow*     gtk_layout_get_bin_window  (GtkLayout     *layout);

void           gtk_layout_put             (GtkLayout     *layout,

		                           GtkWidget     *child_widget,

		                           gint           x,

		                           gint           y);

void           gtk_layout_move            (GtkLayout     *layout,

		                           GtkWidget     *child_widget,

		                           gint           x,

		                           gint           y);

void           gtk_layout_set_size        (GtkLayout     *layout,

			                   guint          width,

			                   guint          height);

void           gtk_layout_get_size        (GtkLayout     *layout,

					   guint         *width,

					   guint         *height);

GtkAdjustment* gtk_layout_get_hadjustment (GtkLayout     *layout);

GtkAdjustment* gtk_layout_get_vadjustment (GtkLayout     *layout);

void           gtk_layout_set_hadjustment (GtkLayout     *layout,

					   GtkAdjustment *adjustment);

void           gtk_layout_set_vadjustment (GtkLayout     *layout,

					   GtkAdjustment *adjustment);

#ifndef GTK_DISABLE_DEPRECATED

/* These disable and enable moving and repainting the scrolling window

 * of the GtkLayout, respectively.  If you want to update the layout's

 * offsets but do not want it to repaint itself, you should use these

 * functions.

 *

 * - I don't understand these are supposed to work, so I suspect

 * - they don't now.                    OWT 1/20/98

 */

void           gtk_layout_freeze          (GtkLayout     *layout);

void           gtk_layout_thaw            (GtkLayout     *layout);

#endif /* GTK_DISABLE_DEPRECATED */

G_END_DECLS

#endif /* __GTK_LAYOUT_H__ */