--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/scrollbar-x.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,73 @@
+/* Define X-specific scrollbar instance.
+   Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs 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 General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: Not in FSF. */
+
+#ifndef _XEMACS_SCROLLBAR_X_H_
+#define _XEMACS_SCROLLBAR_X_H_
+
+#if defined (HAVE_X_WINDOWS) && defined (HAVE_SCROLLBARS)
+
+#include "scrollbar.h"
+
+struct x_scrollbar_data
+{
+  /* Unique scrollbar identifier and name. */
+  unsigned int id;
+  char *name;
+
+  /* Is set if we have already set the backing_store attribute correctly */
+  char backing_store_initialized;
+
+  /* Positioning and sizing information for scrollbar and slider. */
+  scrollbar_values pos_data;
+
+  /* Pointer to the scrollbar widget this structure describes. */
+  Widget widget;
+
+#if defined (LWLIB_SCROLLBARS_MOTIF) || defined (LWLIB_SCROLLBARS_LUCID)
+  /* Recorded starting position for Motif-like scrollbar drags. */
+  int vdrag_orig_value;
+  Bufpos vdrag_orig_window_start;
+#endif
+};
+
+#define SCROLLBAR_X_DATA(i) ((struct x_scrollbar_data *) ((i)->scrollbar_data))
+
+#define SCROLLBAR_X_ID(i) (SCROLLBAR_X_DATA (i)->id)
+#define SCROLLBAR_X_NAME(i) (SCROLLBAR_X_DATA (i)->name)
+#define SCROLLBAR_X_BACKING_STORE_INITIALIZED(i) \
+  (SCROLLBAR_X_DATA (i)->backing_store_initialized)
+#define SCROLLBAR_X_POS_DATA(i) (SCROLLBAR_X_DATA (i)->pos_data)
+#define SCROLLBAR_X_WIDGET(i) (SCROLLBAR_X_DATA (i)->widget)
+
+#if defined (LWLIB_SCROLLBARS_MOTIF) || defined (LWLIB_SCROLLBARS_LUCID)
+#define SCROLLBAR_X_VDRAG_ORIG_VALUE(i) \
+  (SCROLLBAR_X_DATA (i)->vdrag_orig_value)
+#define SCROLLBAR_X_VDRAG_ORIG_WINDOW_START(i) \
+  (SCROLLBAR_X_DATA (i)->vdrag_orig_window_start)
+#endif
+
+extern void x_update_frame_scrollbars (struct frame *f);
+extern void x_set_scrollbar_pointer (struct frame *f, Lisp_Object cursor);
+extern EMACS_INT x_window_is_scrollbar (struct frame *f, Window win);
+
+#endif /* HAVE_X_WINDOWS and HAVE_SCROLLBARS */
+#endif /* _XEMACS_SCROLLBAR_H_ */