LibrePilot/ground/openpilotgcs/src/libs/utils/mylistwidget.h

/**
 ******************************************************************************
 *
 * @file       mylistwidget.h
 * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
 *             Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
 * @brief
 * @see        The GNU Public License (GPL) Version 3
 * @defgroup
 * @{
 *
 *****************************************************************************/
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef MYLISTWIDGET_H
#define MYLISTWIDGET_H

#include "utils_global.h"

#include <QtGui>
#include <QtGui/QListWidget>

class ListWidgetItemDelegate : public QStyledItemDelegate
{
public:
    ListWidgetItemDelegate(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::Normal, QIcon::On);
            opt.state &= ~QStyle::State_Selected;
        }
        QStyledItemDelegate::paint(painter, opt, index);
    }
};

/*
 * MyListWidget is a plain QListWidget but with the added option
 * to place the icon above the label in ListMode. This is achieved
 * the easiest by subclassing QListWidget and overriding viewOptions().
 */
class QTCREATOR_UTILS_EXPORT MyListWidget : public QListWidget
{
    Q_OBJECT
public:
    MyListWidget(QWidget *parent) : QListWidget(parent), m_iconAbove(false) { setItemDelegate(new ListWidgetItemDelegate());}
    void setIconAbove(bool iconAbove) { m_iconAbove = iconAbove; }
protected:
    QStyleOptionViewItem viewOptions() const;
private:
    bool m_iconAbove;
};

#endif // MYLISTWIDGET_H