#include "rounded_corners_dialog.h" #include YACReader::RoundedCornersDialog::RoundedCornersDialog(QWidget *parent) : QDialog(parent) { setWindowFlags(windowFlags() | Qt::FramelessWindowHint | Qt::WindowSystemMenuHint); setAttribute(Qt::WA_TranslucentBackground); } void YACReader::RoundedCornersDialog::paintEvent(QPaintEvent *) { qreal radius = 36.0; // desired radius in absolute pixels if (!(windowFlags() & Qt::FramelessWindowHint) && !testAttribute(Qt::WA_TranslucentBackground)) return; // nothing to do QPainter p(this); p.setRenderHint(QPainter::Antialiasing); // Paint thyself. QRectF rect(QPointF(0, 0), size()); p.setPen(Qt::NoPen); // Set the brush from palette role. p.setBrush(palette().brush(backgroundRole())); // Got radius? Otherwise draw a quicker rect. if (radius > 0.0) p.drawRoundedRect(rect, radius, radius, Qt::AbsoluteSize); else p.drawRect(rect); // C'est finí p.end(); }