Qwt User's Guide
6.0.2
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qwt_plot_layout.h
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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#ifndef QWT_PLOT_LAYOUT_H
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#define QWT_PLOT_LAYOUT_H
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#include "qwt_global.h"
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#include "qwt_plot.h"
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class
QWT_EXPORT
QwtPlotLayout
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{
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public
:
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enum
Option
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{
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AlignScales = 0x01,
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IgnoreScrollbars = 0x02,
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IgnoreFrames = 0x04,
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IgnoreLegend = 0x08
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};
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typedef
QFlags<Option>
Options
;
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explicit
QwtPlotLayout
();
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virtual
~
QwtPlotLayout
();
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void
setCanvasMargin(
int
margin,
int
axis = -1 );
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int
canvasMargin(
int
axis )
const
;
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void
setAlignCanvasToScales(
bool
);
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bool
alignCanvasToScales()
const
;
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void
setSpacing(
int
);
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int
spacing()
const
;
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void
setLegendPosition(
QwtPlot::LegendPosition
pos,
double
ratio );
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void
setLegendPosition(
QwtPlot::LegendPosition
pos );
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QwtPlot::LegendPosition
legendPosition()
const
;
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void
setLegendRatio(
double
ratio );
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double
legendRatio()
const
;
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virtual
QSize minimumSizeHint(
const
QwtPlot
* )
const
;
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virtual
void
activate(
const
QwtPlot
*,
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const
QRectF &rect,
Options
options = 0x00 );
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virtual
void
invalidate();
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const
QRectF &titleRect()
const
;
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const
QRectF &legendRect()
const
;
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const
QRectF &scaleRect(
int
axis )
const
;
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const
QRectF &canvasRect()
const
;
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class
LayoutData;
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protected
:
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QRectF layoutLegend(
Options
options,
const
QRectF & )
const
;
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QRectF alignLegend(
const
QRectF &canvasRect,
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const
QRectF &legendRect )
const
;
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void
expandLineBreaks(
int
options,
const
QRectF &rect,
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int
&dimTitle,
int
dimAxes[
QwtPlot::axisCnt
] )
const
;
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void
alignScales(
int
options, QRectF &canvasRect,
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QRectF scaleRect[
QwtPlot::axisCnt
] )
const
;
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private
:
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class
PrivateData;
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PrivateData *d_data;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(
QwtPlotLayout::Options
)
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#endif
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