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34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
#include <testshadowwidget.h>
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#include <QPainter>
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TestShadowWidget::TestShadowWidget ( QWidget* parent ) : QWidget ( parent )
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{
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setWindowFlags ( Qt::FramelessWindowHint ); //设置为无外部边框
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setAttribute ( Qt::WA_TranslucentBackground ); //设置窗口为透明
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setGeometry ( 400, 500, 800, 600 );
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QLabel* m_pback = new QLabel ( this );
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m_pback->setGeometry ( 0, 0, this->width() - 10, this->height() - 10 );
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m_pback->setObjectName ( "MainWidget" ); //此处设置ObjectName是为了加载qss效果
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QGraphicsDropShadowEffect* Shadow = new QGraphicsDropShadowEffect();
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Shadow->setBlurRadius ( 8.0 );
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Shadow->setColor ( QColor ( 63, 63, 63, 180 ) );
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Shadow->setOffset ( 8.0 );
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m_pback->setGraphicsEffect ( Shadow );
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}
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TestShadowWidget::~TestShadowWidget() {}
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void TestShadowWidget::paintEvent ( QPaintEvent* event )
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{
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QPainter p ( this );
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QPen pen ( QColor ( 55, 33, 125 ) );
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p.setPen ( pen );
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QBrush br ( Qt::red );
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p.setBrush ( br );
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QRect r0 = rect();
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p.drawRect ( r0 );
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}
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