--- rxvt-unicode/src/scrollbar.h	2007/12/29 14:48:44	1.4
+++ rxvt-unicode/src/scrollbar.h	2008/01/01 21:14:39	1.9
@@ -15,6 +15,11 @@
   unsigned int    style;        /* style: rxvt, xterm, next                 */
   unsigned int    width;        /* scrollbar width                          */
   int             shadow;       /* scrollbar shadow width                   */
+  int             last_bot;     /* scrollbar last bottom position           */
+  int             last_top;     /* scrollbar last top position              */
+  int             last_state;   /* scrollbar last state                     */
+  int             len;
+  unsigned char   align;
   Window          win;
   int             (rxvt_term::*update)(int, int, int, int);
 
@@ -28,8 +33,7 @@
 #define scrollbar_isMotion()    (scrollBar.state == 'm')
 #define scrollbar_isUp()        (scrollBar.state == 'U')
 #define scrollbar_isDn()        (scrollBar.state == 'D')
-#define scrollbar_isUpDn()      isupper (scrollBar.state)
-#define isScrollbarWindow(w)    (scrollBar.state && (w) == scrollBar.win)
+#define scrollbar_isUpDn()      (scrollbar_isUp () || scrollbar_isDn ())
 
 #define scrollbarnext_dnval()   (scrollBar.end + (scrollBar.width + 1))
 #define scrollbarnext_upButton(y)       ((y) > scrollBar.end \