blockingfortuneclient.py 文件源码

def __init__(self, parent=None):
        super(BlockingClient, self).__init__(parent)

        self.thread = FortuneThread()
        self.currentFortune = ''

        hostLabel = QLabel("&Server name:")
        portLabel = QLabel("S&erver port:")

        for ipAddress in QNetworkInterface.allAddresses():
            if ipAddress != QHostAddress.LocalHost and ipAddress.toIPv4Address() != 0:
                break
        else:
            ipAddress = QHostAddress(QHostAddress.LocalHost)

        ipAddress = ipAddress.toString()

        self.hostLineEdit = QLineEdit(ipAddress)
        self.portLineEdit = QLineEdit()
        self.portLineEdit.setValidator(QIntValidator(1, 65535, self))

        hostLabel.setBuddy(self.hostLineEdit)
        portLabel.setBuddy(self.portLineEdit)

        self.statusLabel = QLabel(
                "This example requires that you run the Fortune Server example as well.")
        self.statusLabel.setWordWrap(True)

        self.getFortuneButton = QPushButton("Get Fortune")
        self.getFortuneButton.setDefault(True)
        self.getFortuneButton.setEnabled(False)

        quitButton = QPushButton("Quit")

        buttonBox = QDialogButtonBox()
        buttonBox.addButton(self.getFortuneButton, QDialogButtonBox.ActionRole)
        buttonBox.addButton(quitButton, QDialogButtonBox.RejectRole)

        self.getFortuneButton.clicked.connect(self.requestNewFortune)
        quitButton.clicked.connect(self.close)
        self.hostLineEdit.textChanged.connect(self.enableGetFortuneButton)
        self.portLineEdit.textChanged.connect(self.enableGetFortuneButton)
        self.thread.newFortune.connect(self.showFortune)
        self.thread.error.connect(self.displayError)

        mainLayout = QGridLayout()
        mainLayout.addWidget(hostLabel, 0, 0)
        mainLayout.addWidget(self.hostLineEdit, 0, 1)
        mainLayout.addWidget(portLabel, 1, 0)
        mainLayout.addWidget(self.portLineEdit, 1, 1)
        mainLayout.addWidget(self.statusLabel, 2, 0, 1, 2)
        mainLayout.addWidget(buttonBox, 3, 0, 1, 2)
        self.setLayout(mainLayout)

        self.setWindowTitle("Blocking Fortune Client")
        self.portLineEdit.setFocus()