2025-04-21 14:29:20 +08:00
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#include "maskLayer.h"
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#include <QPainter>
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#include <QStyleOption>
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MaskLayer::MaskLayer(QWidget *parent)
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: QWidget(parent)
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{
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setObjectName("maskLayer");
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setFocusPolicy(Qt::NoFocus);
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setAttribute(Qt::WA_TranslucentBackground); // 启用透明背景
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2025-06-10 11:22:27 +08:00
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setStyleSheet("background:rgba(40, 74, 102, 150);");
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2025-04-21 14:29:20 +08:00
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hide();
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}
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MaskLayer::~MaskLayer()
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{}
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//重写paintEvent触发背景绘制，否则实例化对象不显示
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void MaskLayer::paintEvent(QPaintEvent *event)
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{
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QStyleOption opt;
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opt.initFrom(this);
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QPainter p(this);
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style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
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QWidget::paintEvent(event);
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}
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