import sys, time
from PyQt4 import QtCore, QtGui, Qt


class DigitalClock(QtGui.QMainWindow):
    def __init__(self, parent = None):
        QtGui.QMainWindow.__init__(self, parent)

        timer = QtCore.QTimer(self)
        self.connect(timer, QtCore.SIGNAL("timeout()"), self.showTime)
        timer.start(1000)

        self.showTime()

        self.setWindowTitle(self.tr("Digital Clock"))

    def showTime(self):
        time = QtCore.QTime.currentTime()
        text = time.toString("hh:mm:ss")
		
        self.timeLabel = QtGui.QLabel(text)
		
        layout = QtGui.QHBoxLayout()
        layout.addWidget(self.timeLabel)
		
        self.currentWidget = QtGui.QWidget(self)
        self.currentWidget.setLayout(layout)
		
        self.setCentralWidget(self.currentWidget)
        self.resize(self.currentWidget.sizeHint())


if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)
    pixmap = QtGui.QPixmap("splash.jpg")
    splash = QtGui.QSplashScreen(pixmap)
    splash.show()
    app.processEvents()
    time.sleep(3)
    clock = DigitalClock()
    splash.finish(clock)
    clock.show()
    sys.exit(app.exec_())