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<title>Qwt User's Guide: qwt_plot_layout.h Source File</title>
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<h1>qwt_plot_layout.h</h1><pre class="fragment"><div>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
00002 <span class="comment"> * Qwt Widget Library</span>
00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
00005 <span class="comment"> * </span>
00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
00008 <span class="comment"> *****************************************************************************/</span>
00009
00010 <span class="preprocessor">#ifndef QWT_PLOT_LAYOUT_H</span>
00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PLOT_LAYOUT_H</span>
00012 <span class="preprocessor"></span>
00013 <span class="preprocessor">#include <qlayout.h></span>
00014 <span class="preprocessor">#include "qwt_global.h"</span>
00015 <span class="preprocessor">#include "qwt_plot.h"</span>
00016
00017 <span class="keyword">class </span>QwtPlotLayoutData;
00018
<a name="l00025"></a><a class="code" href="class_qwt_plot_layout.html">00025</a> <span class="keyword">class </span>QWT_EXPORT QwtPlotLayout
00026 {
00027 <span class="keyword">public</span>:
00028 <span class="keyword">enum</span> Options
00029 {
00030 AlignScales = 1,
00031 IgnoreScrollbars = 2,
00032 IgnoreFrames = 4,
00033 IgnoreMargin = 8,
00034 IgnoreLegend = 16
00035 };
00036
00037 QwtPlotLayout();
00038 <span class="keyword">virtual</span> ~QwtPlotLayout();
00039
00040 <span class="keywordtype">void</span> setMargin(<span class="keywordtype">int</span>);
00041 <span class="keywordtype">int</span> margin() <span class="keyword">const</span>;
00042
00043 <span class="keywordtype">void</span> setCanvasMargin(<span class="keywordtype">int</span> margin, <span class="keywordtype">int</span> axis = -1);
00044 <span class="keywordtype">int</span> canvasMargin(<span class="keywordtype">int</span> axis) <span class="keyword">const</span>;
00045
00046 <span class="keywordtype">void</span> setAlignCanvasToScales(<span class="keywordtype">bool</span>);
00047 <span class="keywordtype">bool</span> alignCanvasToScales() <span class="keyword">const</span>;
00048
00049 <span class="keywordtype">void</span> setSpacing(<span class="keywordtype">int</span>);
00050 <span class="keywordtype">int</span> spacing() <span class="keyword">const</span>;
00051
00052 <span class="keywordtype">void</span> setLegendPosition(QwtPlot::Position pos, <span class="keywordtype">double</span> ratio);
00053 <span class="keywordtype">void</span> setLegendPosition(QwtPlot::Position pos);
00054 QwtPlot::Position legendPosition() <span class="keyword">const</span>;
00055
00056 <span class="keywordtype">void</span> setLegendRatio(<span class="keywordtype">double</span> ratio);
00057 <span class="keywordtype">double</span> legendRatio() <span class="keyword">const</span>;
00058
00059 <span class="preprocessor">#ifndef QWT_NO_COMPAT </span>
00060 <span class="preprocessor"></span> <span class="comment">// The following two functions are deprecated</span>
00061 <span class="keywordtype">void</span> setLegendPos(<span class="keywordtype">int</span> pos, <span class="keywordtype">double</span> ratio = 0.0);
00062 <span class="keywordtype">int</span> legendPos() <span class="keyword">const</span>;
00063 <span class="preprocessor">#endif</span>
00064 <span class="preprocessor"></span>
00065 <span class="keyword">virtual</span> QSize minimumSizeHint(<span class="keyword">const</span> <a class="code" href="class_qwt_plot.html">QwtPlot</a> *) <span class="keyword">const</span>;
00066
00067 <span class="keyword">virtual</span> <span class="keywordtype">void</span> activate(<span class="keyword">const</span> <a class="code" href="class_qwt_plot.html">QwtPlot</a> *,
00068 <span class="keyword">const</span> QRect &rect, <span class="keywordtype">int</span> options = 0);
00069
00070 <span class="keyword">virtual</span> <span class="keywordtype">void</span> invalidate();
00071
00072 <span class="keyword">const</span> QRect &titleRect() <span class="keyword">const</span>;
00073 <span class="keyword">const</span> QRect &legendRect() <span class="keyword">const</span>;
00074 <span class="keyword">const</span> QRect &scaleRect(<span class="keywordtype">int</span> axis) <span class="keyword">const</span>;
00075 <span class="keyword">const</span> QRect &canvasRect() <span class="keyword">const</span>;
00076
00077 <span class="keyword">protected</span>:
00078
00079 QRect layoutLegend(<span class="keywordtype">int</span> options, <span class="keyword">const</span> QRect &) <span class="keyword">const</span>;
00080 QRect alignLegend(<span class="keyword">const</span> QRect &canvasRect,
00081 <span class="keyword">const</span> QRect &legendRect) <span class="keyword">const</span>;
00082
00083 <span class="keywordtype">void</span> expandLineBreaks(<span class="keywordtype">int</span> options, <span class="keyword">const</span> QRect &rect,
00084 <span class="keywordtype">int</span> &dimTitle, <span class="keywordtype">int</span> dimAxes[QwtPlot::axisCnt]) <span class="keyword">const</span>;
00085
00086 <span class="keywordtype">void</span> alignScales(<span class="keywordtype">int</span> options, QRect &canvasRect,
00087 QRect scaleRect[QwtPlot::axisCnt]) <span class="keyword">const</span>;
00088
00089 QRect d_titleRect;
00090 QRect d_legendRect;
00091 QRect d_scaleRect[QwtPlot::axisCnt];
00092 QRect d_canvasRect;
00093
00094 QwtPlotLayoutData *d_layoutData;
00095
00096 <span class="keyword">private</span>:
00097 QwtPlot::Position d_legendPos;
00098 <span class="keywordtype">double</span> d_legendRatio;
00099 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> d_margin;
00100 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> d_spacing;
00101 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> d_canvasMargin[QwtPlot::axisCnt];
00102 <span class="keywordtype">bool</span> d_alignCanvasToScales;
00103 };
00104
00105 <span class="preprocessor">#endif</span>
</div></pre><hr size="1"><address style="align: right;"><small>Generated on Tue Nov 16 21:12:20 2004 for Qwt User's Guide by
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