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qwt_dyngrid_layout.h
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* 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>
#include <qsize.h>
#include <qlist.h>
class QWT_EXPORT QwtDynGridLayout : public QLayout
{
Q_OBJECT
public:
explicit QwtDynGridLayout( QWidget *, int margin = 0, int space = -1 );
explicit QwtDynGridLayout( int space = -1 );
virtual ~QwtDynGridLayout();
virtual void invalidate();
void setMaxColumns( uint maxCols );
uint maxColumns() const;
uint numRows () const;
uint numColumns () const;
virtual void addItem( QLayoutItem * );
virtual QLayoutItem *itemAt( int index ) const;
virtual QLayoutItem *takeAt( int index );
virtual int count() const;
void setExpandingDirections( Qt::Orientations );
virtual Qt::Orientations expandingDirections() const;
QList<QRect> layoutItems( const QRect &, uint numCols ) const;
virtual int maxItemWidth() const;
virtual void setGeometry( const QRect &rect );
virtual bool hasHeightForWidth() const;
virtual int heightForWidth( int ) const;
virtual QSize sizeHint() const;
virtual bool isEmpty() const;
uint itemCount() const;
virtual uint columnsForWidth( int width ) const;
protected:
void layoutGrid( uint numCols,
QVector<int>& rowHeight, QVector<int>& colWidth ) const;
void stretchGrid( const QRect &rect, uint numCols,
QVector<int>& rowHeight, QVector<int>& colWidth ) const;
private:
void init();
int maxRowWidth( int numCols ) const;
class PrivateData;
PrivateData *d_data;
};
#endif