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/* -*- 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_PLOT_LAYOUT_H
#define QWT_PLOT_LAYOUT_H
#include <qlayout.h>
#include "qwt_global.h"
#include "qwt_plot.h"
class QwtPlotLayoutData;
/*!
\brief Layout class for QwtPlot.
Organizes the geometry for the different QwtPlot components.
*/
class QWT_EXPORT QwtPlotLayout
{
public:
enum Options
{
AlignScales = 1,
IgnoreScrollbars = 2,
IgnoreFrames = 4,
IgnoreMargin = 8,
IgnoreLegend = 16
};
QwtPlotLayout();
virtual ~QwtPlotLayout();
void setMargin(int);
int margin() const;
void setCanvasMargin(int margin, int axis = -1);
int canvasMargin(int axis) const;
void setAlignCanvasToScales(bool);
bool alignCanvasToScales() const;
void setSpacing(int);
int spacing() const;
void setLegendPosition(QwtPlot::Position pos, double ratio);
void setLegendPosition(QwtPlot::Position pos);
QwtPlot::Position legendPosition() const;
void setLegendRatio(double ratio);
double legendRatio() const;
#ifndef QWT_NO_COMPAT
// The following two functions are deprecated
void setLegendPos(int pos, double ratio = 0.0);
int legendPos() const;
#endif
virtual QSize minimumSizeHint(const QwtPlot *) const;
virtual void activate(const QwtPlot *,
const QRect &rect, int options = 0);
virtual void invalidate();
const QRect &titleRect() const;
const QRect &legendRect() const;
const QRect &scaleRect(int axis) const;
const QRect &canvasRect() const;
protected:
QRect layoutLegend(int options, const QRect &) const;
QRect alignLegend(const QRect &canvasRect,
const QRect &legendRect) const;
void expandLineBreaks(int options, const QRect &rect,
int &dimTitle, int dimAxes[QwtPlot::axisCnt]) const;
void alignScales(int options, QRect &canvasRect,
QRect scaleRect[QwtPlot::axisCnt]) const;
QRect d_titleRect;
QRect d_legendRect;
QRect d_scaleRect[QwtPlot::axisCnt];
QRect d_canvasRect;
QwtPlotLayoutData *d_layoutData;
private:
QwtPlot::Position d_legendPos;
double d_legendRatio;
unsigned int d_margin;
unsigned int d_spacing;
unsigned int d_canvasMargin[QwtPlot::axisCnt];
bool d_alignCanvasToScales;
};
#endif
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