delegate.h

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/*
    Copyright 2007 Robert Knight <robertknight@gmail.com>
    Copyright 2008 Marco Martin <notmart@gmail.com>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/
 
#ifndef PLASMA_DELEGATE_H
#define PLASMA_DELEGATE_H
 
// Qt
#include <QtGui/QAbstractItemDelegate>
 
// Plasma
#include <plasma/plasma_export.h>
 
namespace Plasma
{
 
class DelegatePrivate;

class PLASMA_EXPORT Delegate : public QAbstractItemDelegate
{
    Q_OBJECT
public:
 
    enum SpecificRoles {
        SubTitleRole = Qt::UserRole + 1,
        SubTitleMandatoryRole = Qt::UserRole + 2,
        ColumnTypeRole = Qt::UserRole + 3
    };
 
    enum ColumnType {
        MainColumn = 1,
        SecondaryActionColumn = 2
    };
 
    Delegate(QObject *parent = 0);
    ~Delegate();

    void setRoleMapping(SpecificRoles role, int actual);
 
    int roleMapping(SpecificRoles role) const;
 
    //Reimplemented
    virtual void paint(QPainter *painter, const QStyleOptionViewItem &option,
                       const QModelIndex &index) const;

    bool showToolTip() const;
 
protected:
    QRect rectAfterTitle(const QStyleOptionViewItem &option, const QModelIndex &index) const;

    QRect rectAfterSubTitle(const QStyleOptionViewItem &option, const QModelIndex &index) const;

    QRect emptyRect(const QStyleOptionViewItem &option, const QModelIndex &index) const;
 
    virtual QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const;
 
private:
    DelegatePrivate *const d;
};
 
}
 
#endif // PLASMA_DELEGATE_H