ztv.py 文件源码

def notebook_page_changed(self, evt):
        oldnew = (evt.GetOldSelection(), evt.GetSelection())
        # EVT_NOTEBOOK_PAGE_CHANGED seems to be called 4-5 or more times per actual change, with identical
        #     OldSelection,Selection; so, need to filter those additional calls out after first one
        if oldnew != self._prior_notebook_page_change:
            if hasattr(self.ztv_frame.control_panels[oldnew[1]], 'on_activate'):
                self.ztv_frame.control_panels[oldnew[1]].on_activate()
            self._prior_notebook_page_change = oldnew
        evt.Skip()