PyQt4自定义事件

listview控件与updateText 相关联

self.listview.updateText.connect(self.viewlist)

updateText = QtCore.pyqtSignal(str)

#发送信号

updateText.emit('updated list')

def viewlist(self):

        print 'view'
        if self.refresh==False:

            self.model = QStandardItemModel(self.ui.listView)
            for food in listviewdata:
                   item = QStandardItem(food)

                   item.setCheckable(True)

                   self.model.appendRow(item)