rnd-20060730-1-src

[rocksndiamonds.git] / src / libgame / system.h

diff --git a/src/libgame/system.h b/src/libgame/system.h
index f96d530f0b8aef6041007f456a59660ca0c90c23..c175d59faa05ffebdfd8d78ac95087e610ecf92f 100644 (file)
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -90,7 +90,17 @@
 #define MB_LEFTBUTTON                  1
 #define MB_MIDDLEBUTTON                        2
 #define MB_RIGHTBUTTON                 3
-
+#define MB_WHEEL_UP                    4
+#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 DEFAULT_WHEEL_STEPS            3
 
 /* values for move directions */
 #define MV_BIT_LEFT                    0