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 /***************************************************************************
  * SPDX-FileCopyrightText: 2022 S. MANKOWSKI stephane@mankowski.fr
  * SPDX-FileCopyrightText: 2022 G. DE BURE support@mankowski.fr
  * SPDX-License-Identifier: GPL-3.0-or-later
  ***************************************************************************/
 #ifndef SKGFLOWLAYOUT_H
 #define SKGFLOWLAYOUT_H
 /** @file
 * This file defines classes SKGFlowLayout.
 *
 * @author Stephane MANKOWSKI / Guillaume DE BURE
 */
 #include <qlayout.h>
 #include <qstyle.h>
 
 #include "skgbasegui_export.h"
 
 /**
  * This file is a flow layout
  */
 class SKGBASEGUI_EXPORT SKGFlowLayout : public QLayout
 {
     Q_OBJECT
 
 public:
     /**
      * Constructor
      * @param iParent the parent
      * @param iMargin margin
      * @param hSpacing horizontal spacing
      * @param vSpacing vertical spacing
      */
     explicit SKGFlowLayout(QWidget* iParent, int iMargin = -1, int hSpacing = -1, int vSpacing = -1);
 
     /**
      * Constructor
      * @param iMargin margin
      * @param hSpacing horizontal spacing
      * @param vSpacing vertical spacing
      */
     explicit SKGFlowLayout(int iMargin = -1, int hSpacing = -1, int vSpacing = -1);
 
     /**
      * Default Destructor
      */
     ~SKGFlowLayout() override;
 
     /**
      * Add an item
      * @param item the item to add
      */
     void addItem(QLayoutItem* item) override;
 
     /**
      * Set horizontal and vertical spacing
      * @param space the space
      */
     virtual void setSpacing(int space);
 
     /**
      * Get horizontal spacing
      * @return horizontal spacing
      */
     virtual int horizontalSpacing() const;
 
     /**
      * Get vertical spacing
      * @return vertical spacing
      */
     virtual int verticalSpacing() const;
 
     /**
      * Get expanding directions
      * @return expanding directions
      */
     Qt::Orientations expandingDirections() const override;
 
     /**
      * Returns true if this layout's preferred height depends on its width; otherwise returns false.
      * The default implementation returns false.
      * Reimplement this function in layout managers that support height for width.
      * @return true of false
      */
     bool hasHeightForWidth() const override;
 
     /**
      * Returns the preferred height for this layout item, given the width w.
      * The default implementation returns -1, indicating that the preferred height is independent of the width of the item. Using the function hasHeightForWidth() will typically be much faster than calling this function and testing for -1.
      * Reimplement this function in layout managers that support height for width
      * @return height
      */
     int heightForWidth(int /*width*/ /*unused*/) const override;
 
     /**
      * Returns the number of items
      * @return number of items
      */
     int count() const override;
 
     /**
      * Returns the item for an index
      * @param index the index
      * @return the item
      */
     QLayoutItem* itemAt(int index) const override;
 
     /**
      * Returns the minimum size
      * @return the minimum size
      */
     QSize minimumSize() const override;
 
     /**
      * Set the geometry
      * @param rect the geometry
      */
     void setGeometry(const QRect& rect) override;
 
     /**
      * Returns the preferred size
      * @return the preferred size
      */
     QSize sizeHint() const override;
 
     /**
      * Takes the item for an index
      * @param index the index
      * @return the item
      */
     QLayoutItem* takeAt(int index) override;
 
 
 private:
     int doLayout(QRect rect, bool testOnly) const;
     int smartSpacing(QStyle::PixelMetric pm) const;
 
     QList<QLayoutItem*> m_itemList;
     int m_hSpace;
     int m_vSpace;
 };
 
 #endif