Pmw.py 文件源码

def _forceCount(self, factor):
        if not self.valid():
            self.bell()
            return

        text = self._counterEntry.get()
        try:
            value = apply(self._counterCommand,
                    (text, factor, self['increment']), self._counterArgs)
        except ValueError:
            self.bell()
            return

        previousICursor = self._counterEntry.index('insert')
        if self._counterEntry.setentry(value) == OK:
            self._counterEntry.xview('end')
            self._counterEntry.icursor(previousICursor)