text: /****************************************************************************
  **
  ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
  ** Contact: http://www.qt-project.org/legal
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** You may use this file under the terms of the BSD license as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **	 * Redistributions of source code must retain the above copyright
  **	   notice, this list of conditions and the following disclaimer.
  **	 * Redistributions in binary form must reproduce the above copyright
  **	   notice, this list of conditions and the following disclaimer in
  **	   the documentation and/or other materials provided with the
  **	   distribution.
  **	 * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
  **	   of its contributors may be used to endorse or promote products derived
  **	   from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #ifndef FLOWLAYOUT_H
  #define FLOWLAYOUT_H
  
  #include <QLayout>
  #include <QRect>
  #include <QStyle>
  //! [0]
  class FlowLayout : public QLayout
  {
  public:
  	explicit FlowLayout(QWidget *parent, int margin = -1, int hSpacing = -1, int vSpacing = -1);
  	explicit FlowLayout(int margin = -1, int hSpacing = -1, int vSpacing = -1);
  	~FlowLayout ();
  
  	void addItem (QLayoutItem *item);
  	int horizontalSpacing() const;
  	int verticalSpacing() const;
  	Qt::Orientations expandingDirections() const;
  	bool hasHeightForWidth() const;
  	int heightForWidth(int) const;
  	int count() const;
  	QLayoutItem *itemAt(int index) const;
  	QSize minimumSize() const;
  	void setGeometry(const QRect &rect);
  	QSize sizeHint() const;
  	QLayoutItem *takeAt(int index);
  
  private:
  	int doLayout(const QRect &rect, bool testOnly) const;
  	int smartSpacing(QStyle::PixelMetric pm) const;
  
  	QList<QLayoutItem *> itemList;
  	int m_hSpace;
  	int m_vSpace;
  };
  //! [0]
  
  #endif // FLOWLAYOUT_H
  