recentfiles.py 文件源码

def loadFile(self, fileName):
        file = QFile(fileName)
        if not file.open( QFile.ReadOnly | QFile.Text):
            QMessageBox.warning(self, "Recent Files",
                    "Cannot read file %s:\n%s." % (fileName, file.errorString()))
            return

        instr = QTextStream(file)
        QApplication.setOverrideCursor(Qt.WaitCursor)
        self.textEdit.setPlainText(instr.readAll())
        QApplication.restoreOverrideCursor()

        self.setCurrentFile(fileName)
        self.statusBar().showMessage("File loaded", 2000)