import sys
from PyQt4 import QtGui, QtCore 
class S2(QtGui.QWidget):
    def __init__(self, parent=None):
        QtGui.QWidget.__init__(self, parent=None)
        self.resize(800,700)
        
        self.T=QtGui.QLineEdit(self)
        self.T.setGeometry(QtCore.QRect(1,30,100,30))
        self.T.setReadOnly(True)
        self.T1=QtGui.QLineEdit(self)
        self.T1.setGeometry(QtCore.QRect(1,60,100,30))
        self.T1.setReadOnly(True)
    def eventFilter(self,source, event):
        if event.type() == QtCore.QEvent.MouseMove:
            if event.buttons() == QtCore.Qt.NoButton:
                pos = event.pos()
                self.T.setText('x:%d' % (pos.x()))
                self.T1.setText('y:%d' % (pos.y()))
            else:
                pass 
        return QtGui.QWidget.eventFilter(self,source, event)
    
if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)
    F2 = S2()
    F2.show()
    app.installEventFilter(F2)
    sys.exit(app.exec_())