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fix: guard null pointer in updateViewModeActions #600

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fix: guard null pointer in updateViewModeActions #600

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3 changes: 2 additions & 1 deletion src/editor/dtextedit.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -5046,7 +5046,8 @@ void TextEdit::updateViewModeActions(ViewMode mode, bool isMarkdown)
if (action && !action->isChecked())
action->setChecked(true);
// 置灰规则（§4.4）：非 md 文件仅「实时预览」置灰，编辑/查看始终可用
m_actLivePreview->setEnabled(isMarkdown);
if (m_actLivePreview)
m_actLivePreview->setEnabled(isMarkdown);
}

void TextEdit::SendtoggleReadmessage()
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