Method grabDesktop

tools/screenshot.cpp:406–456

}

void Screenshot::grabDesktop()
{
    QRect geometry;
    QPoint cursorPosition = QCursor::pos();

    if (mOptions.currentMonitor) {
        int currentScreen = qApp->desktop()->screenNumber(cursorPosition);

        geometry = qApp->desktop()->screen(currentScreen)->geometry();
        cursorPosition = cursorPosition - geometry.topLeft();
    } else {
        int top = 0;

        for (QScreen *screen : QGuiApplication::screens()) {
            auto screenRect = screen->geometry();

            if (screenRect.top() < 0) {
                top += screenRect.top() * -1;
            }

            if (screenRect.left() < 0) {
                cursorPosition.setX(cursorPosition.x() + screenRect.width()); //= localCursorPos + screenRect.normalized().topLeft();
            }

            geometry = geometry.united(screenRect);
        }

        cursorPosition.setY(cursorPosition.y() + top);
    }

    mPixmap = QApplication::primaryScreen()->grabWindow(QApplication::desktop()->winId(), geometry.x(), geometry.y(), geometry.width(), geometry.height());
    mPixmap.setDevicePixelRatio(QApplication::desktop()->devicePixelRatio());

    if (mOptions.cursor && !mPixmap.isNull()) {
        QPainter painter(&mPixmap);
        auto cursorInfo = os::cursor();
        auto cursorPixmap = cursorInfo.first;
        cursorPixmap.setDevicePixelRatio(QApplication::desktop()->devicePixelRatio()); 

#if 0 // Debug cursor position helper
        painter.setBrush(QBrush(Qt::darkRed));
        painter.setPen(QPen(QBrush(Qt::red), 5));
        QRectF rect;
        rect.setSize(QSizeF(100, 100));
        rect.moveCenter(cursorPosition);
        painter.drawRoundRect(rect, rect.size().height()*2, rect.size().height()*2);
#endif

        painter.drawPixmap(cursorPosition-cursorInfo.second, cursorPixmap);
    }
}

const QString Screenshot::newFileName() const
{