gimp/libgimpwidgets/gimpscrolledpreview.h

/* LIBGIMP - The GIMP Library
 * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
 *
 * gimpscrolledpreview.h
 *
 * 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.
 */

#ifndef __GIMP_SCROLLED_PREVIEW_H__
#define __GIMP_SCROLLED_PREVIEW_H__

#include "gimppreview.h"

G_BEGIN_DECLS


/* For information look into the C source or the html documentation */


#define GIMP_TYPE_SCROLLED_PREVIEW            (gimp_scrolled_preview_get_type ())
#define GIMP_SCROLLED_PREVIEW(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_SCROLLED_PREVIEW, GimpScrolledPreview))
#define GIMP_SCROLLED_PREVIEW_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_SCROLLED_PREVIEW, GimpScrolledPreviewClass))
#define GIMP_IS_SCROLLED_PREVIEW(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_SCROLLED_PREVIEW))
#define GIMP_IS_SCROLLED_PREVIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_SCROLLED_PREVIEW))
#define GIMP_SCROLLED_PREVIEW_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_SCROLLED_PREVIEW, GimpScrolledPreviewClass))


typedef struct _GimpScrolledPreviewClass  GimpScrolledPreviewClass;

struct _GimpScrolledPreview
{
  GimpPreview   parent_instance;

  /*< protected >*/
  GtkWidget    *hscr;
  GtkWidget    *vscr;
  GtkWidget    *nav_icon;
  GtkWidget    *nav_popup;
  GdkCursor    *cursor_move;
  GdkGC        *nav_gc;

  /*< private >*/
  gint          xoff, yoff;
  gint          drag_x, drag_y;
  gint          drag_xoff, drag_yoff;

  gboolean      in_drag;
};

struct _GimpScrolledPreviewClass
{
  GimpPreviewClass parent_class;

  /* virtuals */
  void   (* draw_thumb)  (GimpScrolledPreview *preview,
                          GimpPreviewArea     *area,
                          gint                 width,
                          gint                 height);
};


GType gimp_scrolled_preview_get_type     (void) G_GNUC_CONST;

void  gimp_scrolled_preview_get_position (GimpScrolledPreview *preview,
                                          gint                *x,
                                          gint                *y);

G_END_DECLS

#endif /* __GIMP_SCROLLED_PREVIEW_H__ */