Moved fullscreen method.

qutebrowser/browser/commands.py

@@ -243,17 +243,6 @@ class CommandDispatcher:
                     "'previous'!")
         return None
 
-    @cmdutils.register(instance='command-dispatcher', name='fullscreen',
-                       scope='window')
-    def full_screen(self):
-        """Toggle fullscreen mode."""
-        main_window = objreg.get('main-window', scope='window',
-                                    window=self._win_id)
-        if main_window.isFullScreen():
-            main_window.showNormal()
-        else:
-            main_window.showFullScreen()
-
     @cmdutils.register(instance='command-dispatcher', scope='window')
     def tab_close(self, left=False, right=False, opposite=False,
                   count: {'special': 'count'}=None):

qutebrowser/mainwindow/mainwindow.py

@@ -305,6 +305,14 @@ class MainWindow(QWidget):
         """
         super().close()
 
+    @cmdutils.register(instance='main-window', scope='window')
+    def fullscreen(self):
+        """Toggle fullscreen mode."""
+        if self.isFullScreen():
+            self.showNormal()
+        else:
+            self.showFullScreen()
+
     def resizeEvent(self, e):
         """Extend resizewindow's resizeEvent to adjust completion.