diff -Naur trunk.orig/src/station_gui.cpp trunk/src/station_gui.cpp
--- trunk.orig/src/station_gui.cpp	2011-06-27 14:08:18.945995994 -0400
+++ trunk/src/station_gui.cpp	2011-06-28 15:12:16.665996010 -0400
@@ -1467,7 +1467,7 @@
 };
 
 static const WindowDesc _select_station_desc(
-	WDP_AUTO, 200, 180,
+	WDP_CURSOR, 200, 180,
 	WC_SELECT_STATION, WC_NONE,
 	WDF_CONSTRUCTION,
 	_nested_select_station_widgets, lengthof(_nested_select_station_widgets)
diff -Naur trunk.orig/src/window.cpp trunk/src/window.cpp
--- trunk.orig/src/window.cpp	2011-06-27 14:08:18.955996007 -0400
+++ trunk/src/window.cpp	2011-06-28 15:18:24.035996003 -0400
@@ -1254,6 +1254,22 @@
 			pt.y = 0;
 			break;
 
+		case WDP_CURSOR:
+			if ( _cursor.pos.x < default_width / 2 )
+				pt.x = 0;
+			else if (_cursor.pos.x + default_width / 2 > _screen.width )
+				pt.x = _screen.width - default_width;
+			else
+				pt.x = _cursor.pos.x - default_width / 2;
+
+			if ( _cursor.pos.y < default_width / 2 )
+				pt.y = 0;
+			else if (_cursor.pos.y + default_width / 2 > _screen.height )
+				pt.y = _screen.height - default_height;
+			else
+				pt.y = _cursor.pos.y - default_width / 2;
+			break;
+
 		default:
 			NOT_REACHED();
 	}
diff -Naur trunk.orig/src/window_gui.h trunk/src/window_gui.h
--- trunk.orig/src/window_gui.h	2011-06-27 14:08:18.915996004 -0400
+++ trunk/src/window_gui.h	2011-06-28 15:09:56.375996006 -0400
@@ -148,6 +148,7 @@
 	WDP_AUTO,          ///< Find a place automatically
 	WDP_CENTER,        ///< Center the window
 	WDP_ALIGN_TOOLBAR, ///< Align toward the toolbar
+	WDP_CURSOR,   ///< Position the window centered under the mouse and avoid getting out of the screen
 };
 
 Point GetToolbarAlignedWindowPosition(int window_width);