Qt中CQGUI框架之陰影圓角窗口實現(xiàn)
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今天給大家講解基于C++/Qt的CQGUI框架的陰影圓角窗口實現(xiàn),實現(xiàn)效果如下圖所示::
CQGUI開發(fā)環(huán)境::
- Microsoft Visual Studio 2019
- Qt5.15.1
步驟如下:
一、繼承關(guān)系
class LoginPanel : public QDialog
二、窗口屬性
setAttribute(Qt::WA_TranslucentBackground); //設(shè)置頂層面板背景透明 setWindowFlags(Qt::FramelessWindowHint); //設(shè)置無邊框 setContentsMargins(10, 10, 10, 10);
Qt::WA_TranslucentBackground Indicates that the widget should have a translucent background, i.e., any non-opaque regions of the widgets will be translucent because the widget will have an alpha channel. Setting this flag causes WA_NoSystemBackground to be set. On Windows the widget also needs the Qt::FramelessWindowHint window flag to be set. This flag is set or cleared by the widget's author.
三、設(shè)置陰影效果
auto *defaultShadow = new QGraphicsDropShadowEffect(); defaultShadow->setBlurRadius(10.0); defaultShadow->setColor(QColor(0, 0, 0, 160)); defaultShadow->setOffset(0, 0); _loginMainFrm->setGraphicsEffect(defaultShadow);
四、設(shè)置樣式
QFrame#loginMainFrm>QFrame#leftFrame{ background:rgba(255,255,255,0.9); border-top-left-radius:6px; border-top-right-radius:0px; border-bottom-right-radius:0px; border-bottom-left-radius:6px; }
五、事件響應(yīng)
protected: void mousePressEvent(QMouseEvent *e) override ; void mouseReleaseEvent(QMouseEvent *e) override ; void mouseMoveEvent(QMouseEvent *e) override ; void closeEvent(QCloseEvent *e) override ; bool event(QEvent* e) override ; protected: bool eventFilter(QObject* o, QEvent* e) override;
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