def _on_key_press(self, widget, event):
        """Updates the currently pressed keys

        In addition, the sidebars are toggled if <Ctrl><Tab> is pressed.

        :param Gtk.Widget widget: The main window
        :param Gdk.Event event: The key press event
        """
        self.currently_pressed_keys.add(event.keyval)
        if event.keyval in [Gdk.KEY_Tab, Gdk.KEY_ISO_Left_Tab] and event.state & Gdk.ModifierType.CONTROL_MASK:
            self.toggle_sidebars()
def _on_key_press ( self , widget , event ) : self . currently_pressed_keys . add ( event . keyval ) if event . keyval in [ Gdk . KEY_Tab , Gdk . KEY_ISO_Left_Tab ] and event . state & Gdk . ModifierType . CONTROL_MASK : self . toggle_sidebars ( )
Updates the currently pressed keys

        In addition, the sidebars are toggled if <Ctrl><Tab> is pressed.

        :param Gtk.Widget widget: The main window
        :param Gdk.Event event: The key press event