--- a/mainwindow.cc	Sun Jan 22 15:31:01 2012 +0100
+++ b/mainwindow.cc	Sun Jan 22 16:31:20 2012 +0100
@@ -22,6 +22,7 @@
 	    this, 
 	    tr("Open IGC file"), 
 	    "flights", tr("IGC files (*.igc);; All files (*)"));
+    if (fileName.isEmpty()) return;
 
     currentFile.setFileName(fileName);
 
@@ -32,6 +33,10 @@
 	return;
     }
 
+    input.setDevice(&currentFile);
     setWindowTitle(QFileInfo(fileName).baseName());
     statusBar()->showMessage(tr("opening %1").arg(fileName), 5000);
+
+    igc.read(input);
+
 }