notepad.py 文件源码

def slot_save(self):
        buf = self.editor.toPlainText()  # ???? ??? ?? ????
        fdial = QFileDialog(self)
        fdial.setAcceptMode(QFileDialog.AcceptSave)
        file_name = self.filename
        if not self.filename:
            file_name = fdial.getSaveFileName(self, self.tr("Save File"), filter='*.txt')[0]
        if not file_name:
            return False
        fd = open(file_name, 'w')
        fd.write(buf)
        fd.close()
        self.filename = file_name
        self.menu.act_save_file.setEnabled(False)
        self.set_window_title()
        return True