Method paintEvent

ElaWidgetTools/ElaPopularCard.cpp:138–230

}

void ElaPopularCard::paintEvent(QPaintEvent* event)
{
    Q_D(ElaPopularCard);
    if (d->_isFloating)
    {
        return;
    }
    QPainter painter(this);
    painter.save();
    painter.setRenderHints(QPainter::SmoothPixmapTransform | QPainter::Antialiasing | QPainter::TextAntialiasing);
    if (underMouse())
    {
        // 阴影绘制
        painter.setOpacity(d->_pHoverOpacity);
        QRect shadowRect = rect().adjusted(0, -d->_pHoverYOffset, 0, -d->_pHoverYOffset);
        eTheme->drawEffectShadow(&painter, shadowRect, d->_shadowBorderWidth, d->_pBorderRadius);
    }
    QRectF foregroundRect(d->_shadowBorderWidth, d->_shadowBorderWidth - d->_pHoverYOffset + 1, width() - 2 * d->_shadowBorderWidth, height() - 2 * d->_shadowBorderWidth);
    //背景绘制
    painter.setOpacity(1);
    painter.setPen(underMouse() ? ElaThemeColor(d->_themeMode, PopupBorderHover) : ElaThemeColor(d->_themeMode, BasicBorder));
    painter.setBrush(ElaThemeColor(d->_themeMode, BasicBaseAlpha));
    painter.drawRoundedRect(foregroundRect, d->_pBorderRadius, d->_pBorderRadius);
    //图片绘制
    painter.save();
    QRectF pixRect(foregroundRect.x() + foregroundRect.height() * 0.15, foregroundRect.y() + foregroundRect.height() * 0.15, foregroundRect.height() * 0.7, foregroundRect.height() * 0.7);
    QPainterPath pixPath;
    pixPath.addRoundedRect(pixRect, 4, 4);
    painter.setClipPath(pixPath);
    painter.drawPixmap(pixRect, d->_pCardPixmap, d->_pCardPixmap.rect());
    painter.restore();

    //文字绘制
    //计算按钮最终矩形
    int buttonTargetWidth = d->_floater->_overButton->fontMetrics().horizontalAdvance(d->_floater->_overButton->text()) + 40;
    if (buttonTargetWidth > width() * 0.25)
    {
        buttonTargetWidth = width() * 0.25;
    }
    //处理ElaPushButton的阴影偏移
    d->_buttonTargetRect = QRect(QPoint(width() + 2 * d->_floater->_floatGeometryOffset - d->_shadowBorderWidth + 3 - foregroundRect.height() * 0.15 - buttonTargetWidth, foregroundRect.height() * 0.15 - 3), QSize(buttonTargetWidth, 36));

    // Title
    painter.setPen(ElaThemeColor(d->_themeMode, BasicText));
    QFont font = painter.font();
    font.setWeight(QFont::Bold);
    font.setPixelSize(15);
    painter.setFont(font);
    int titleHeight = painter.fontMetrics().height();
    QRectF titleRect(pixRect.right() + d->_textHSpacing, pixRect.y(), d->_floater->_floatGeometryOffset * 2 + foregroundRect.width() - pixRect.width() - d->_textHSpacing * 2 - foregroundRect.height() * 0.15 - buttonTargetWidth, titleHeight);
    QString titleText = painter.fontMetrics().elidedText(d->_pTitle, Qt::ElideRight, titleRect.width());
    painter.drawText(titleRect, Qt::AlignLeft | Qt::AlignTop | Qt::TextSingleLine, titleText);

    // SubTitle
    font.setWeight(QFont::DemiBold);
    font.setPixelSize(13);
    painter.setFont(font);
    int subTitleHeight = painter.fontMetrics().height();