--- a/src/gfx.h	Mon Mar 26 21:31:37 2007 +0000
+++ b/src/gfx.h	Mon Mar 26 22:15:38 2007 +0000
@@ -6,6 +6,7 @@
 #define GFX_H
 
 #include "misc/rect.hpp"
+#include "openttd.h"
 
 enum WindowKeyCodes {
 	WKC_SHIFT = 0x8000,
@@ -112,6 +113,12 @@
 	SpriteID pal;
 
 	int wheel;       ///< mouse wheel movement
+
+	/* We need two different vars to keep track of how far the scrollwheel moved.
+	 * OSX uses this for scrolling around the map. */
+	int v_wheel;
+	int h_wheel;
+
 	const AnimCursor *animate_list; ///< in case of animated cursor, list of frames
 	const AnimCursor *animate_cur;  ///< in case of animated cursor, current frame
 	uint animate_timeout;           ///< in case of animated cursor, number of ticks to show the current cursor
@@ -223,7 +230,7 @@
 uint32 FormatStringLinebreaks(char *str, int maxw);
 void LoadStringWidthTable();
 void DrawStringMultiCenter(int x, int y, StringID str, int maxw);
-uint DrawStringMultiLine(int x, int y, StringID str, int maxw);
+uint DrawStringMultiLine(int x, int y, StringID str, int maxw, int maxh = -1);
 void DrawDirtyBlocks();
 void SetDirtyBlocks(int left, int top, int right, int bottom);
 void MarkWholeScreenDirty();