tmp_osc/Common/combox/ColorDelegate.cpp

#include "ColorDelegate.h"



void ColorDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    painter->save();
    // 获取文本
    QString text = index.data().toString();
    // 分割文本为两部分
    QStringList parts = text.split(" ");
    if (parts.size() < 2) {
        QStyledItemDelegate::paint(painter, option, index);
        painter->restore();
        return;
    }
    // 设置第一部分的颜色
    painter->setPen(Qt::red);
    painter->drawText(option.rect, Qt::AlignLeft, parts[0]);
    // 计算第一部分文本的宽度
    int firstPartWidth = painter->fontMetrics().width(parts[0]);
    // 设置第二部分的颜色
    painter->setPen(Qt::green);
    painter->drawText(option.rect.adjusted(firstPartWidth, 0, 0, 0), Qt::AlignRight, parts[1]);
    painter->restore();
}