rnd-20060730-1-src

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

diff --git a/src/libgame/system.h b/src/libgame/system.h
index 8fe22e2ddd7767e4fb0e849844e44666c1c0946a..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
@@ -529,7 +539,8 @@ struct ProgramInfo
   char *cookie_prefix;
   char *filename_prefix;       /* prefix to cut off from DOS filenames */
 
-  char *error_filename;                /* used instead of 'stderr' on some systems */
+  char *error_filename;                /* filename where to write error messages to */
+  FILE *error_file;            /* (used instead of 'stderr' on some systems) */
 
   int version_major;
   int version_minor;