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qwt_dyngrid_layout.h
/******************************************************************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_DYNGRID_LAYOUT_H
#define QWT_DYNGRID_LAYOUT_H
#include "qwt_global.h"
#include <qlayout.h>
template< typename T > class QList;
class QWT_EXPORT QwtDynGridLayout : public QLayout
{
Q_OBJECT
public:
explicit QwtDynGridLayout( QWidget*, int margin = 0, int spacing = -1 );
explicit QwtDynGridLayout( int spacing = -1 );
virtual ~QwtDynGridLayout();
virtual void invalidate() QWT_OVERRIDE;
void setMaxColumns( uint maxColumns );
uint maxColumns() const;
uint numRows () const;
uint numColumns () const;
virtual void addItem( QLayoutItem* ) QWT_OVERRIDE;
virtual QLayoutItem* itemAt( int index ) const QWT_OVERRIDE;
virtual QLayoutItem* takeAt( int index ) QWT_OVERRIDE;
virtual int count() const QWT_OVERRIDE;
void setExpandingDirections( Qt::Orientations );
virtual Qt::Orientations expandingDirections() const QWT_OVERRIDE;
QList< QRect > layoutItems( const QRect&, uint numColumns ) const;
virtual int maxItemWidth() const;
virtual void setGeometry( const QRect& ) QWT_OVERRIDE;
virtual bool hasHeightForWidth() const QWT_OVERRIDE;
virtual int heightForWidth( int ) const QWT_OVERRIDE;
virtual QSize sizeHint() const QWT_OVERRIDE;
virtual bool isEmpty() const QWT_OVERRIDE;
uint itemCount() const;
virtual uint columnsForWidth( int width ) const;
protected:
void layoutGrid( uint numColumns,
QVector< int >& rowHeight, QVector< int >& colWidth ) const;
void stretchGrid( const QRect& rect, uint numColumns,
QVector< int >& rowHeight, QVector< int >& colWidth ) const;
private:
void init();
int maxRowWidth( int numColumns ) const;
class PrivateData;
PrivateData* m_data;
};
#endif
QList
Definition qwt_abstract_legend.h:17
QVector
Definition qwt_clipper.h:23
QwtDynGridLayout
The QwtDynGridLayout class lays out widgets in a grid, adjusting the number of columns and rows to th...
Definition qwt_dyngrid_layout.h:28