更新代码
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@@ -81,6 +81,7 @@ void VideoPanel::initForm()
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widget->installEventFilter(this);
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widget->setFocusPolicy(Qt::StrongFocus);
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widget->setAlignment(Qt::AlignCenter);
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widget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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//二选一可以选择显示文字,也可以选择显示背景图片
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widget->setText(QString("通道 %1").arg(i + 1));
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