pyqt4,QTableWidget 动态添加控件，添加图片，右键菜单选项

#-*- coding:utf-8 -*-#######line table 使用from PyQt4.QtCore import *from PyQt4.QtGui import *import sysclass MyWindow(QDialog,QWidget):    def __init__(self,parent = None):        super(MyWindow,self).__init__(parent)        self.resize(400,400)        self.mainlayout = QGridLayout(self)        self.myTable = QTableWidget()        self.mainlayout.addWidget(self.myTable)        self.tableSetting()    def tableSetting(self):        self.myTable.setRowCount(3)########设置table的列数        self.myTable.setColumnCount(3) #######设置table列数        self.myTable.setColumnWidth(0,60)####设置第一列的宽度        self.myTable.setHorizontalHeaderLabels([u"控件",u"  文字  ",u"图片"]) ######设置标题栏        self.myTable.resizeColumnToContents(1) #####第二列根据标题自适应        self.myTable.setSelectionBehavior(QAbstractItemView.SelectRows) ###设置一次选中一行        self.myTable.setEditTriggers(QAbstractItemView.NoEditTriggers) ###设置表格禁止编辑        self.myTable.setContextMenuPolicy(Qt.CustomContextMenu)######允许右键产生子菜单        self.myTable.customContextMenuRequested.connect(self.generateMenu)   ####右键菜单        #########设置表格内容        self.setTableContext()    def generateMenu(self,pos):        print pos        row_num = -1        for i in self.myTable.selectionModel().selection().indexes():            row_num = i.row()        menu = QMenu()        item1 = menu.addAction(u"选项一")        item2 = menu.addAction(u"选项二")        item3 = menu.addAction(u"选项三" )        action = menu.exec_(self.myTable.mapToGlobal(pos))        if action == item1:            print u'您选了选项一，当前行文字内容是：',self.myTable.item(row_num,1).text()        elif action == item2:            print u'您选了选项二，当前行文字内容是：',self.myTable.item(row_num,1).text()        elif action == item3:            print u'您选了选项三，当前行文字内容是：',self.myTable.item(row_num,1).text()        else:            return    def setTableContext(self):        ctrlListCheckBox = [i for i in xrange(3)]        for i in xrange(3):            self.setRowData(i,ctrlListCheckBox)    def setRowData(self,row,ctrl):        ##########在table中添加控件        ctrl[row] = QCheckBox()        ctrl[row].setChecked(False)        ctrl[row].clicked.connect(lambda:self.selectDev(ctrl[row].checkState(),row))        self.myTable.setCellWidget(row,0,ctrl[row])        ########table中添加文字        nameItem = QTableWidgetItem("item"+str(row))        self.myTable.setItem(row,1,nameItem)        ########table中添加图片,线添加label控件 再添加图片        self.label_pic = QLabel()        self.label_pic.setPixmap(QPixmap(str(row)+".jpg"))        self.myTable.setCellWidget(row,2,self.label_pic)    def selectDev(self,check_state,row):        print 'check_state:',check_state        print 'row:',rowapp=QApplication(sys.argv)window=MyWindow()window.show()app.exec_()