kexiflowlayout.h

/* This file is part of the KDE project
   Copyright (C) 2005 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 KEXIFLOWLAYOUT_H
#define KEXIFLOWLAYOUT_H
 
#include <tqlayout.h>
#include <tqptrlist.h>

class KEXIGUIUTILS_EXPORT KexiFlowLayout : public TQLayout
{
    public:
        KexiFlowLayout(TQWidget *parent, int border=0, int space=-1, const char *name=0);
        KexiFlowLayout(TQLayout* parent, int space=-1, const char *name=0);
        KexiFlowLayout(int space=-1, const char *name=0);
 
        ~KexiFlowLayout();

        TQPtrList<TQWidget>* widgetList() const;

        void  setOrientation(TQt::Orientation orientation) { m_orientation = orientation; }

        TQt::Orientation orientation() const { return m_orientation; }
 
        void setJustified(bool justify) { m_justify = justify; }
        bool isJustified() const { return m_justify; }
 
        virtual void addItem(TQLayoutItem *item);
        virtual void addSpacing(int size);
        virtual TQLayoutIterator iterator();
        virtual void  invalidate();
 
        virtual bool hasHeightForWidth() const;
        virtual int heightForWidth(int width) const;
        virtual TQSize sizeHint() const;
        virtual TQSize minimumSize() const;
        virtual TQSizePolicy::ExpandData expanding() const;
 
        virtual bool isEmpty();
 
    protected:
        virtual void setGeometry(const TQRect&);
        int simulateLayout(const TQRect &r);
        int doHorizontalLayout(const TQRect&, bool testonly = false);
        int doVerticalLayout(const TQRect&, bool testonly = false);
 
    private:
        TQPtrList<TQLayoutItem> m_list;
        int m_cached_width;
        int m_cached_hfw;
        bool m_justify;
        TQt::Orientation m_orientation;
        TQSize m_cached_sizeHint;
        TQSize m_cached_minSize;
};
 
#endif