Fix saving geometry if mainwindow is closed on shutdown. Fixes #159.

qutebrowser/app.py

@@ -59,6 +59,7 @@ class Application(QApplication):
         _crashdlg: The crash dialog currently open.
         _crashlogfile: A file handler to the fatal crash logfile.
         _event_filter: The EventFilter for the application.
+        geometry: The geometry of the last closed main window.
     """
 
     def __init__(self, args):
@@ -72,6 +73,7 @@ class Application(QApplication):
             'tabs': False,
             'main': False,
         }
+        self.geometry = None
         self._shutting_down = False
         self._crashdlg = None
         self._crashlogfile = None
@@ -367,12 +369,9 @@ class Application(QApplication):
 
     def _save_geometry(self):
         """Save the window geometry to the state config."""
-        last_win_id = sorted(objreg.window_registry)[-1]
-        main_window = objreg.get('main-window', scope='window',
-                                 window=last_win_id)
+        if self.geometry is not None:
             state_config = objreg.get('state-config')
-        data = bytes(main_window.saveGeometry())
-        geom = base64.b64encode(data).decode('ASCII')
+            geom = base64.b64encode(self.geometry).decode('ASCII')
             try:
                 state_config.add_section('geometry')
             except configparser.DuplicateSectionError:

qutebrowser/widgets/mainwindow.py

@@ -330,4 +330,5 @@ class MainWindow(QWidget):
                 e.ignore()
                 return
         e.accept()
+        objreg.get('app').geometry = bytes(self.saveGeometry())
         log.destroy.debug("Closing window {}".format(self.win_id))