Method paint

src/WizMessageListView.cpp:1181–1215

}

void WizMessageSelectorItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
{
//    QStyleOptionViewItem opt(option);
    QStyleOptionViewItem opt = option;
    initStyleOption(&opt, index);
    //NOTE:QCombobox 的项目的背景css颜色样式无效，需要通过绘制实现。
    if (option.state & QStyle::State_Selected)
    {
        opt.palette.setColor(QPalette::Text, QColor(Qt::black));
        opt.palette.setColor(QPalette::WindowText, QColor(Qt::black));
        opt.palette.setColor(QPalette::HighlightedText, QColor(Qt::black));
    }
    if (option.state & QStyle::State_MouseOver)
    {
        painter->fillRect(option.rect, QBrush(QColor("#3397db")));
        opt.palette.setColor(QPalette::Text, QColor(Qt::white));
        opt.palette.setColor(QPalette::WindowText, QColor(Qt::white));
        opt.palette.setColor(QPalette::HighlightedText, QColor(Qt::white));
    }    

    painter->save();

    painter->setPen(QPen(opt.palette.color(QPalette::Text)));
    painter->setFont(opt.font);

    const int nMargin = 5;
    const int nIconSize = 20;
    QRect rcItem = opt.rect;
    QRect rcIcon(rcItem.left() + nMargin, rcItem.top() + (rcItem.height() - nIconSize) / 2, nIconSize , nIconSize);
    painter->drawPixmap(rcIcon, opt.icon.pixmap(nIconSize, nIconSize));
    QRect rcText(rcIcon.right() + nMargin + 1, rcItem.top(), rcItem.width() - rcIcon.width() - nMargin * 2, rcItem.height());
    painter->drawText(rcText, Qt::AlignLeft |Qt::AlignVCenter, opt.text);

    painter->restore();
}

WizSortFilterProxyModel::WizSortFilterProxyModel(QObject* parent)
    : QSortFilterProxyModel(parent)