--- a/src/viewport.h	Wed Jun 13 11:17:30 2007 +0000
+++ b/src/viewport.h	Wed Jun 13 11:45:14 2007 +0000
@@ -5,6 +5,8 @@
 #ifndef VIEWPORT_H
 #define VIEWPORT_H
 
+#include "zoom.hpp"
+
 struct ViewPort {
 	int left,top;                       // screen coordinates for the viewport
 	int width, height;                  // screen width/height for the viewport
@@ -12,7 +14,7 @@
 	int virtual_left, virtual_top;      // virtual coordinates
 	int virtual_width, virtual_height;  // these are just width << zoom, height << zoom
 
-	byte zoom;
+	ZoomLevel zoom;
 };
 
 void SetSelectionRed(bool);
@@ -21,7 +23,7 @@
 void InitViewports();
 void DeleteWindowViewport(Window *w);
 void AssignWindowViewport(Window *w, int x, int y,
-	int width, int height, uint32 follow_flags, byte zoom);
+	int width, int height, uint32 follow_flags, ZoomLevel zoom);
 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y);
 Point GetTileBelowCursor();
 void UpdateViewportPosition(Window *w);
@@ -60,7 +62,7 @@
 void SetTileSelectSize(int w, int h);
 void SetTileSelectBigSize(int ox, int oy, int sx, int sy);
 
-void VpStartPlaceSizing(TileIndex tile, int user);
+void VpStartPlaceSizing(TileIndex tile, byte method, byte process);
 void VpSetPresizeRange(uint from, uint to);
 void VpSetPlaceSizingLimit(int limit);
 
@@ -135,7 +137,9 @@
 	WindowClass window_class;
 	WindowNumber window_number;
 
-	int userdata;
+	byte select_method;
+	byte select_proc;
+
 	TileIndex redsq;
 };