diff -r fffcfc5e64e5 src/settings_gui.cpp
--- a/src/settings_gui.cpp	Sun Nov 16 15:43:45 2008 +0100
+++ b/src/settings_gui.cpp	Sun Nov 16 16:57:46 2008 +0100
@@ -612,6 +612,8 @@
 
 	void Init();
 	PatchEntry *FindEntry(uint row, uint *cur_row);
+	byte Length() const;
+
 	uint Draw(GameSettings *patches_ptr, int x, int y, uint first_row, uint max_row, uint cur_row = 0);
 
 	void SetButtons(uint16 new_value);
@@ -672,6 +674,18 @@
 	}
 	return NULL;
 }
+
+/** Return length of the entry in rows */
+byte PatchEntry::Length() const
+{
+	switch(flags & PEF_KIND_MASK) {
+		case PEF_SETTING_KIND:
+			return 1;
+		default: NOT_REACHED();
+	}
+	return 0; // not used, but keeps the compilers happy
+}
+
 
 /**
  * Draw a row in the settings panel
@@ -795,9 +809,13 @@
 	return pe;
 }
 
+/** Return length of the page in rows */
 byte PatchPage::Length() const
 {
-	return num;
+	byte length = 0;
+	for (uint fld = 0; fld < num; fld++)
+		length += entries[fld].Length();
+	return length;
 }
 
 /**