--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/prim/scrollbar.el	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,116 @@
+;; Scrollbar support.
+;; Copyright (C) 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+;;; Synched up with: Not in FSF. (Completely divergent from FSF scroll-bar.el)
+
+(defun init-scrollbar-from-resources (locale)
+  (if (and (featurep 'x)
+	   (or (eq locale 'global)
+	       (eq 'x (device-or-frame-type locale)))
+	   (x-init-scrollbar-from-resources locale))))
+
+;;
+;; vertical scrollbar functions
+;;
+
+
+;;
+;; horizontal scrollbar functions
+;;
+
+(defun scrollbar-char-left (window)
+  "Function called when the char-left arrow on the scrollbar is clicked.
+This is the little arrow to the left of the scrollbar.  One argument is
+passed, the scrollbar's window.  You can advise this function to
+change the scrollbar behavior."
+  (if (not (window-live-p window))
+      nil
+    (scrollbar-set-hscroll window (- (window-hscroll window) 1))
+    (setq zmacs-region-stays t)
+    nil))
+
+(defun scrollbar-char-right (window)
+  "Function called when the char-right arrow on the scrollbar is clicked.
+This is the little arrow to the right of the scrollbar.  One argument is
+passed, the scrollbar's window.  You can advise this function to
+change the scrollbar behavior."
+  (if (not (window-live-p window))
+      nil
+    (scrollbar-set-hscroll window (+ (window-hscroll window) 1))
+    (setq zmacs-region-stays t)
+    nil))
+
+(defun scrollbar-page-left (window)
+  "Function called when the user gives the \"page-left\" scrollbar action.
+\(The way this is done can vary from scrollbar to scrollbar.\) One argument is
+passed, the scrollbar's window.  You can advise this function to
+change the scrollbar behavior."
+  (if (not (window-live-p window))
+      nil
+    (scrollbar-set-hscroll window (- (window-hscroll window)
+				     (- (window-width window) 2)))
+    (setq zmacs-region-stays t)
+    nil))
+
+(defun scrollbar-page-right (window)
+  "Function called when the user gives the \"page-right\" scrollbar action.
+\(The way this is done can vary from scrollbar to scrollbar.\) One argument is
+passed, the scrollbar's window.  You can advise this function to
+change the scrollbar behavior."
+  (if (not (window-live-p window))
+      nil
+    (scrollbar-set-hscroll window (+ (window-hscroll window)
+				     (- (window-width window) 2)))
+    (setq zmacs-region-stays t)
+    nil))
+
+(defun scrollbar-to-left (window)
+  "Function called when the user gives the \"to-left\" scrollbar action.
+\(The way this is done can vary from scrollbar to scrollbar.\). One argument is
+passed, the scrollbar's window.  You can advise this function to
+change the scrollbar behavior."
+  (if (not (window-live-p window))
+      nil
+    (scrollbar-set-hscroll window 0)
+    (setq zmacs-region-stays t)
+    nil))
+
+(defun scrollbar-to-right (window)
+  "Function called when the user gives the \"to-right\" scrollbar action.
+\(The way this is done can vary from scrollbar to scrollbar.\). One argument is
+passed, the scrollbar's window.  You can advise this function to
+change the scrollbar behavior."
+  (if (not (window-live-p window))
+      nil
+    (scrollbar-set-hscroll window 'max)
+    (setq zmacs-region-stays t)
+    nil))
+
+(defun scrollbar-horizontal-drag (data)
+  "Function called when the user drags the horizontal scrollbar thumb.
+One argument is passed, a cons containing the scrollbar's window and a value
+representing how many columns the thumb is slid over.  You can advise
+this function to change the scrollbar behavior."
+  (let ((window (car data))
+	(value (cdr data)))
+    (if (not (or (window-live-p window) (integerp value)))
+	nil
+      (scrollbar-set-hscroll window value)
+      (setq zmacs-region-stays t)
+      nil)))