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/***************************************************************************
* Copyright (C) 2005 by Ken Werner *
* [email protected] *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef FLOWLAYOUT_H
#define FLOWLAYOUT_H
#include <qlayout.h>
#include <qptrlist.h>
class Source;
class KConfig;
class FlowLayout : public QLayout{
Q_OBJECT //macro which activates signals and slots (moc)
public:
/**
* the direction for moveItem
*/
enum DIRECTION {
ABOVE = 0,
BELOW = 1
};
FlowLayout( QWidget* parent, Qt::Orientation orientation=Qt::Horizontal, int border=0, int space=-1, const char* name=0 );
FlowLayout( QLayout* parent, Qt::Orientation orientation=Qt::Horizontal, int space=-1, const char* name=0 );
FlowLayout( Qt::Orientation=Qt::Horizontal, int space=-1, const char* name=0 );
virtual ~FlowLayout();
/**
* tells all sources their positions
*/
void updatePositions(KConfig * inKConfig);
void addItem(QLayoutItem* item);
void addSource(Source* src);
void remove(QWidget* widget);
/**
* Returns the number of items in the layout
*/
uint count();
/**
* moves the item \c which above/beneath item \c relate
* \param dir ABOVE if above, BENEATH if beneath
* \return the new Position or -1 if no real move was made
*/
bool moveItem(const QLayoutItem* which, const QLayoutItem* relate, DIRECTION direction);
bool hasHeightForWidth() const;
int heightForWidth(int w) const;
bool hasWidthForHeight() const;
int widthForHeight(int h) const;
QSize sizeHint() const;
QSize minimumSize() const;
QLayoutIterator iterator();
QSizePolicy::ExpandData expanding() const;
Qt::Orientation getOrientation() const;
public slots:
void setOrientation(Qt::Orientation orientation);
protected:
void setGeometry(const QRect&);
private:
int doLayout( const QRect&, bool testOnly = FALSE );
int doLayoutHorizontal( const QRect&, bool testOnly );
int doLayoutVertical( const QRect&, bool testOnly );
Qt::Orientation mOrientation;
QPtrList<QLayoutItem> mLayoutItems;
// this is the connection between a layout item and its source.
QMap<QLayoutItem*, Source*> mSources;
QLayoutItem* mLastItem; // the item that was last added
};
#endif
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