how to highlight the Icon in QListWidget when cursor is over the Icon(not clicked)

Hello friends,

I am working in QListWidget for selecting Icons as like QPushButton ... (configDialog) now the problem is like pushbutton i have to highlight the icon when the cursor is over the icon but not clicked

It doesn't seem to be supported out of the box by the model-view framework. It only takes normal, selected and disabled modes of the icon into account. However, here's one way to work the limitation around:

Code:

---

#include <QtGui>
 
class ItemDelegate : public QStyledItemDelegate
{
public:
    ItemDelegate(QObject* parent = 0) : QStyledItemDelegate(parent)
    {
    }
 
    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
    {
        Q_ASSERT(index.isValid());
 
        QStyleOptionViewItemV4 opt = option;
        initStyleOption(&opt, index);
 
        if (opt.state & QStyle::State_MouseOver)
            opt.icon = opt.icon.pixmap(opt.decorationSize, QIcon::Active); // <--
 
        QApplication::style()->drawControl(QStyle::CE_ItemViewItem, &opt, painter, 0);
    }
};
 
int main(int argc, char* argv[])
{
    QApplication app(argc, argv);
    QListWidget list;
    list.setItemDelegate(new ItemDelegate(&list)); // <--
    list.viewport()->setAttribute(Qt::WA_Hover); // <--
 
    QIcon icon;
    icon.addPixmap(QPixmap(":/trolltech/styles/commonstyle/images/standardbutton-no-16.png"), QIcon::Normal); // <--
    icon.addPixmap(QPixmap(":/trolltech/styles/commonstyle/images/standardbutton-yes-16.png"), QIcon::Active); // <--
 
    for (int i = 0; i < 10; ++i)
    {
        QListWidgetItem* item = new QListWidgetItem;
        item->setText(QString("item %1").arg(i));
        item->setIcon(icon); // <--
        list.addItem(item);
    }
    list.show();
    return app.exec();
}

---

thanks guru