workerhandler.py 文件源码

def keyPressEvent(self, event):
        if event.key() == Qt.Key_Delete:
            #event.accept()
            if self.lastItemClicked is not None:
                delkey = None
                for key in self.connections:
                    if self.connections[key][1].workerTreeItem == self.lastItemClicked:
                        delkey = key
                if delkey is not None:
                    indx = self.workerDockWidget.workerTree.indexOfTopLevelItem(self.connections[delkey][1].workerTreeItem)
                    self.workerDockWidget.workerTree.takeTopLevelItem(indx)
                    self.connections[delkey][1].connection = None
                    self.connections[delkey][0].callback = None
                    del self.connections[delkey]
                    return 1

        return 0