X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Flibgame%2Fsystem.h;h=fa422cafd8ee206c299023d8908a62430747f4ac;hp=0bd948bd640ff684c88f25ee3ddff7637a303b0a;hb=f7fcf0207e03bea13618e718f522c15d9120460c;hpb=12d5d704d201d4df017290bfee65145e51cdf97a

diff --git a/src/libgame/system.h b/src/libgame/system.h
index 0bd948bd..fa422caf 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
@@ -1461,7 +1462,6 @@ Bitmap *LoadImage(char *);
 Bitmap *LoadCustomImage(char *);
 void ReloadCustomImage(Bitmap *, char *);
 
-Bitmap *ZoomBitmap(Bitmap *, int, int);
 void ReCreateGameTileSizeBitmap(Bitmap **);
 void CreateBitmapWithSmallBitmaps(Bitmap **, int, int);
 void CreateBitmapTextures(Bitmap **);