# File vtk/gtk/GtkVTKRenderWindowInteractor.rb, line 171 def OnButtonDown(self, wid, event) """Mouse button pressed.""" m = self.get_pointer ctrl, shift = self._GetCtrlShift(event) self._Iren.SetEventInformationFlipY(m[0], m[1], ctrl, shift, chr(0), 0, nil) button = event.button if button == 3 self._Iren.RightButtonPressEvent return gtk.TRUE end end