X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsystem.h;h=06bed391eaaef0ec84ceae8c2d87c71634dcba31;hb=4ccec4f3adc1eb08fd5c3fe08d4168803b9f8e6c;hp=0bd948bd640ff684c88f25ee3ddff7637a303b0a;hpb=12d5d704d201d4df017290bfee65145e51cdf97a;p=rocksndiamonds.git

diff --git a/src/libgame/system.h b/src/libgame/system.h
index 0bd948bd..06bed391 100644
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -179,12 +179,12 @@
 #define MB_WHEEL_DOWN			5
 #define MB_WHEEL_LEFT			6
 #define MB_WHEEL_RIGHT			7
-#define IS_WHEEL_BUTTON_VERTICAL(b)	((b) >= MB_WHEEL_UP &&		\
-					 (b) <= MB_WHEEL_DOWN)
-#define IS_WHEEL_BUTTON_HORIZONTAL(b)	((b) >= MB_WHEEL_LEFT &&	\
-					 (b) <= MB_WHEEL_RIGHT)
-#define IS_WHEEL_BUTTON(b)		((b) >= MB_WHEEL_UP &&		\
-					 (b) <= MB_WHEEL_DOWN)
+#define IS_WHEEL_BUTTON_VERTICAL(b)	((b) == MB_WHEEL_UP ||		\
+					 (b) == MB_WHEEL_DOWN)
+#define IS_WHEEL_BUTTON_HORIZONTAL(b)	((b) == MB_WHEEL_LEFT ||	\
+					 (b) == MB_WHEEL_RIGHT)
+#define IS_WHEEL_BUTTON(b)		(IS_WHEEL_BUTTON_VERTICAL(b) ||	\
+					 IS_WHEEL_BUTTON_HORIZONTAL(b))
 #define DEFAULT_WHEEL_STEPS		3
 
 #define BUTTON_STEPSIZE(b)		((b) == MB_LEFTBUTTON   ?  1 :	\
@@ -1376,6 +1376,7 @@ extern DrawBuffer	       *drawto;
 
 extern int			button_status;
 extern boolean			motion_status;
+extern int			wheel_steps;
 #if defined(TARGET_SDL2)
 extern boolean			keyrepeat_status;
 #endif