ItemViews_QTreeView_01_pixmap.py 文件源码

def data(self, QModelIndex, role=None):
        # itemData? ????? ?? QModelIndex? ???? ????? ??? ?? ????.
        data = self.itemData(QModelIndex)

        if role == Qt.DisplayRole:
            ret = data[role]
        elif role in data and role == Qt.DecorationRole:
            ret = QPixmap(data[role]).scaledToHeight(25)
        else:
            ret = QVariant()
        return ret