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)