customproperty.h

/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
 
   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 KPROPERTY_CUSTOMPROPERTY_H
#define KPROPERTY_CUSTOMPROPERTY_H
 
#include "koproperty_global.h"
 
class TQVariant;
 
namespace KoProperty {
 
class Property;


class KOPROPERTY_EXPORT CustomProperty
{
    public:
        CustomProperty(Property *parent);
        virtual ~CustomProperty();

        virtual void setValue(const TQVariant &value, bool rememberOldValue) = 0;

        virtual TQVariant value() const = 0;

        virtual bool handleValue() const { return false; }
 
    protected:
        Property  *m_property;

        void emitPropertyChanged();
};

class KOPROPERTY_EXPORT SizeCustomProperty : public CustomProperty
{
    public:
        SizeCustomProperty(Property *parent);
        ~SizeCustomProperty();
 
        void setValue(const TQVariant &value, bool rememberOldValue);
        TQVariant value() const;
        bool handleValue() const;
};

class KOPROPERTY_EXPORT PointCustomProperty : public CustomProperty
{
    public:
        PointCustomProperty(Property *parent);
        ~PointCustomProperty();
 
        void setValue(const TQVariant &value, bool rememberOldValue);
        TQVariant value() const;
        bool handleValue() const;
};

class KOPROPERTY_EXPORT RectCustomProperty : public CustomProperty
{
    public:
        RectCustomProperty(Property *parent);
        ~RectCustomProperty();
 
        void setValue(const TQVariant &value, bool rememberOldValue);
        TQVariant value() const;
        bool handleValue() const;
};

class KOPROPERTY_EXPORT SizePolicyCustomProperty : public CustomProperty
{
    public:
        SizePolicyCustomProperty(Property *parent);
        ~SizePolicyCustomProperty();
 
        void setValue(const TQVariant &value, bool rememberOldValue);
        TQVariant value() const;
        bool handleValue() const;
};
 
}
 
#endif