widget.h

/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2004  Alexander Dymo <cloudtemple@mskat.net>
 
   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_PROPERTYWIDGET_H
#define KPROPERTY_PROPERTYWIDGET_H
 
#include <tqwidget.h>
#include "koproperty_global.h"
 
namespace KoProperty {
 
class WidgetPrivate;
class Property;

class KOPROPERTY_EXPORT Widget : public TQWidget
{
    TQ_OBJECT
  
 
    public:
        Widget(Property *property, TQWidget *parent, const char *name="property_editor");
        virtual ~Widget();

        virtual TQVariant value() const = 0;

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

        virtual Property* property() const;

        virtual void setProperty(Property *property);

        virtual void drawViewer(TQPainter *p, const TQColorGroup &cg, const TQRect &r, const TQVariant &value);

        virtual void undo();

        void setFocusWidget(TQWidget*focusProxy);

        bool leavesTheSpaceForRevertButton() const;

        bool hasBorders() const;

        bool isReadOnly() const;

        void setReadOnly(bool readOnly);

        bool visibleFlag() const;
 
    signals:
        void valueChanged(Widget *widget);
        void acceptInput(Widget *widget);
        void rejectInput(Widget *widget);
 
    protected:
        void setEditor(TQWidget* editor);

        virtual bool eventFilter(TQObject* watched, TQEvent* e);
 
        virtual void resizeEvent(TQResizeEvent *e);
 
        void setLeavesTheSpaceForRevertButton(bool set);
        void setHasBorders(bool set);

        virtual void setReadOnlyInternal(bool readOnly) = 0;

        void setVisibleFlag(bool visible);
 
    protected:
        WidgetPrivate  *d;
};
 
}
 
#endif