lib/qpanellayout.h

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/****************************************************************************
**
** Copyright (C) 2006-2009 fullmetalcoder <fullmetalcoder@hotmail.fr>
**
** This file is part of the Edyuk project <http://edyuk.org>
** 
** This file may be used under the terms of the GNU General Public License
** version 3 as published by the Free Software Foundation and appearing in the
** file GPL.txt included in the packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef _QPANEL_LAYOUT_H_
#define _QPANEL_LAYOUT_H_

#include "qce-config.h"

#include <QList>
#include <QLayout>
#include <QPointer>

class QPanel;
class QEditor;

class QCE_EXPORT QPanelLayout : public QLayout
{
    Q_OBJECT
    
    public:
        enum Position
        {
            West,
            North,
            South,
            East
        };
        
        QPanelLayout(QEditor *p);
        QPanelLayout(const QString& layout, QEditor *p);
        virtual ~QPanelLayout();
        
        virtual int count() const;
        virtual bool hasHeightForWidth() const;
        virtual Qt::Orientations expandingDirections() const;
        
        virtual QSize sizeHint() const;
        virtual QSize minimumSize() const;
        
        virtual QLayoutItem *itemAt(int idx) const;
        virtual QLayoutItem *takeAt(int idx);
        
        QString serialized() const;
        void addSerialized(const QString& layout);
        
        QList<QPanel*> panels() const;
        
    public slots:
        virtual void addItem(QLayoutItem *item);
        virtual void setGeometry(const QRect &rect);
        
        void add(QLayoutItem *item, Position position);
        void addWidget(QWidget *widget, Position position);
        
    private:
        QPointer<QEditor> m_parent;
        
        struct PanelWrapper
        {
            PanelWrapper(QLayoutItem *i, Position p)
            {
                item = i;
                position = p;
            }
            
            QLayoutItem *item;
            Position position;
        };
        
        enum SizeType { MinimumSize, SizeHint };
        QSize calculateSize(SizeType sizeType) const;
        
        QList<PanelWrapper*> m_list;
};

#endif // _QPANEL_LAYOUT_H_

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