在QTableView的单个单元格中显示多个图标

from PyQt5.QtCore import Qt, QVariant
from PyQt5.QtGui import QIcon, QPixmap
from PyQt5.QtWidgets import QApplication, QTableView, QWidget, QVBoxLayout, QLabel, QStyledItemDelegate

class CustomWidget(QWidget):
    def __init__(self, icons):
        super().__init__()
        layout = QVBoxLayout()
        for icon in icons:
            label = QLabel()
            label.setPixmap(icon.pixmap(32, 32))
            layout.addWidget(label)
        self.setLayout(layout)

class CustomDelegate(QStyledItemDelegate):
    def __init__(self, parent=None):
        super().__init__(parent)

    def paint(self, painter, option, index):
        icons = index.data(Qt.UserRole + 1)
        if icons:
            custom_widget = CustomWidget(icons)
            custom_widget.setFixedSize(option.rect.size())
            painter.save()
            painter.translate(option.rect.topLeft())
            custom_widget.render(painter)
            painter.restore()
        else:
            super().paint(painter, option, index)

    def sizeHint(self, option, index):
        icons = index.data(Qt.UserRole + 1)
        if icons:
            custom_widget = CustomWidget(icons)
            return custom_widget.sizeHint()
        else:
            return super().sizeHint(option, index)

if __name__ == '__main__':
    app = QApplication([])

    table_view = QTableView()
    table_model = QStandardItemModel(table_view)
    table_view.setModel(table_model)

    # 添加一行数据
    icons = [QIcon('icon1.png'), QIcon('icon2.png'), QIcon('icon3.png')]
    item = QStandardItem()
    item.setData(QVariant(icons), Qt.UserRole + 1)
    table_model.appendRow(item)

    # 设置自定义的代理
    delegate = CustomDelegate()
    table_view.setItemDelegate(delegate)

    table_view.show()
    app.exec_()