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Diffstat (limited to 'winsup/w32api/include/zmouse.h')
-rw-r--r--winsup/w32api/include/zmouse.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/winsup/w32api/include/zmouse.h b/winsup/w32api/include/zmouse.h
index abb61ea..764d43d 100644
--- a/winsup/w32api/include/zmouse.h
+++ b/winsup/w32api/include/zmouse.h
@@ -21,7 +21,16 @@
# define WM_MOUSEWHEEL (WM_MOUSELAST + 1)
#endif
-#define WHEEL_DELTA 120
-#define WHEEL_PAGESCROLL UINT_MAX
+#ifndef WHEEL_DELTA
+# define WHEEL_DELTA 120
+#endif
+
+#ifndef WHEEL_PAGESCROLL
+# define WHEEL_PAGESCROLL UINT_MAX
+#endif
+
+#ifndef SPI_SETWHEELSCROLLLINES
+# define SPI_SETWHEELSCROLLLINES 105
+#endif
#endif /* _ZMOUSE_H */