gui: save/restore window geometry

Change-Id: I98008fc12479206018416d57ef248a9942b73490
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/34297
Reviewed-by: Georg Brandl <g.brandl@fz-juelich.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>
Reviewed-by: Alexander Zaft <a.zaft@fz-juelich.de>
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>

frappy/gui/mainwindow.py

@@ -21,9 +21,9 @@
 #
 # *****************************************************************************
 
-from frappy.gui.qt import QAction, QInputDialog, QKeySequence, QMainWindow, \
-    QMessageBox, QObject, QPixmap, QSettings, QShortcut, Qt, QWidget, \
-    pyqtSignal, pyqtSlot
+from frappy.gui.qt import QAction, QByteArray, QInputDialog, QKeySequence, \
+    QMainWindow, QMessageBox, QObject, QPixmap, QSettings, QShortcut, Qt, \
+    QWidget, pyqtSignal, pyqtSlot
 
 import frappy.version
 from frappy.gui.connection import QSECNode
@@ -133,9 +133,16 @@ class MainWindow(QMainWindow):
         self.recentNodesChanged.connect(greeter.loadRecent)
         self.tab.addPanel(greeter, 'Welcome')
 
+        self.restoreGeometry(settings.value('geometry', '', QByteArray))
+
         # add localhost (if available) and SEC nodes given as arguments
         self.addNodes(args.node)
 
+    def closeEvent(self, event):
+        settings = QSettings()
+        settings.setValue('geometry', self.saveGeometry())
+        return super().closeEvent(event)
+
     @pyqtSlot()
     def on_actionAbout_triggered(self):
         try: