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fix: add null check for PageSingleInfo cast in RichTextDelegate #870

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deepin-bot merged 1 commit into from
Oct 26, 2026
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fix: add null check for PageSingleInfo cast in RichTextDelegate #870

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7 changes: 5 additions & 2 deletions deepin-devicemanager/src/Widget/RichTextDelegate.cpp
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
// SPDX-FileCopyrightText: 2022-2026 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: GPL-3.0-or-later

Expand Down Expand Up @@ -248,7 +248,10 @@ void RichTextDelegate::paint(QPainter *painter, const QStyleOptionViewItem &opti
// bug111063中 社区版与专业版使用同一代码，主板界面展示效果不同
// PageBoardInfo 中计算行高方式与html中计算行高方式不同，导致每行下方出现截断或空白
// 此处获取html整体高度后再对PageBoardInfo设置行高，则不会再出现截断或空白
dynamic_cast<PageSingleInfo *>(this->parent())->setRowHeight(index.row(), textDoc.size().toSize().height() + 6);
PageSingleInfo *pageInfo = dynamic_cast<PageSingleInfo *>(this->parent());
if (pageInfo) {
pageInfo->setRowHeight(index.row(), textDoc.size().toSize().height() + 6);
}

QAbstractTextDocumentLayout::PaintContext paintContext;
paintContext.palette.setCurrentColorGroup(cg);
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