diff -r b42385baaf3a -r 78704393218d gui/main_win.cc
--- a/gui/main_win.cc	Sun Aug 07 16:35:15 2005 +0000
+++ b/gui/main_win.cc	Sun Aug 07 18:06:41 2005 +0000
@@ -133,6 +133,15 @@
   show_all_children();
 }
 
+void MainWin::readFile(const std::string &file)
+{
+  mapstorage.readFromFile(file);
+  mapstorage.file_name = file;
+  mapstorage.modified = false;
+  gd_canvas.drawGraph();
+  mapwin.update();
+}
+
 void MainWin::newFile()
 {
   if (mapstorage.modified)