【PyQt4 实例25】获得鼠标事件

# -*- coding: utf-8 -*-
from PyQt4.QtGui import *
from PyQt4.QtCore import *
import sys
QTextCodec.setCodecForTr(QTextCodec.codecForName("utf8"))

class MouseEvent(QMainWindow):
    def __init__(self,parent=None):
        super(MouseEvent,self).__init__(parent)
        self.setWindowTitle(self.tr("获得鼠标事件"))
        
        labelStatus = QLabel();
        labelStatus.setText(self.tr("Mouse Position:"))
        labelStatus.setFixedWidth(100)
        
        self.labelMousePos = QLabel();
        self.labelMousePos.setText(self.tr(""))
        self.labelMousePos.setFixedWidth(100)
        
        self.sBar = self.statusBar()
        self.sBar.addPermanentWidget(labelStatus)
        self.sBar.addPermanentWidget(self.labelMousePos)
        
    def mouseMoveEvent(self,e):
        self.labelMousePos.setText("("+QString.number(e.x())+","+QString.number(e.y())+")")
    
    def mousePressEvent(self,e):
        str="("+QString.number(e.x())+","+QString.number(e.y())+")"
        if e.button() == Qt.LeftButton:
            self.sBar.showMessage(self.tr("Mouse Left Button Pressed:")+str)
        elif e.button() == Qt.RightButton:
            self.sBar.showMessage(self.tr("Mouse Right Button Pressed:")+str)
        elif e.button() == Qt.MidButton:
            self.sBar.showMessage(self.tr("Mouse Middle Button Pressed:")+str)

app=QApplication(sys.argv)
dialog=MouseEvent()
dialog.show()
app.exec_()