diff -r 029e126e3439 -r 4c8d0193ebe0 src/toolbar_gui.cpp
--- a/src/toolbar_gui.cpp	Thu May 08 11:50:34 2008 +0000
+++ b/src/toolbar_gui.cpp	Thu May 08 12:59:47 2008 +0000
@@ -77,6 +77,26 @@
 	return pos;
 }
 
+/**
+ * In a window with menu_d custom extension, retrieve the menu item number from a position
+ * @param w Window holding the menu items
+ * @param x X coordinate of the position
+ * @param y Y coordinate of the position
+ * @return Index number of the menu item, or \c -1 if no valid selection under position
+ */
+static int GetMenuItemIndex(const Window *w, int x, int y)
+{
+	if ((x -= w->left) >= 0 && x < w->width && (y -= w->top + 1) >= 0) {
+		y /= 10;
+
+		if (y < WP(w, const menu_d).item_count &&
+				!HasBit(WP(w, const menu_d).disabled_items, y)) {
+			return y;
+		}
+	}
+	return -1;
+}
+
 /* --- Pausing --- */
 
 static void ToolbarPauseClick(Window *w)