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<div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div>
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<h1>qwt_plot_picker.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
<a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
<a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span>
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#ifndef QWT_PLOT_PICKER_H</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PLOT_PICKER_H</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_global.h"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include "qwt_plot_canvas.h"</span>
<a name="l00015"></a>00015 <span class="preprocessor">#include "qwt_picker.h"</span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <qvector.h></span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="keyword">class </span><a class="code" href="class_qwt_plot.html" title="A 2-D plotting widget.">QwtPlot</a>;
<a name="l00019"></a>00019
<a name="l00028"></a><a class="code" href="class_qwt_plot_picker.html">00028</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_picker.html" title="QwtPlotPicker provides selections on a plot canvas.">QwtPlotPicker</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_picker.html" title="QwtPicker provides selections on a widget.">QwtPicker</a>
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 Q_OBJECT
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keyword">public</span>:
<a name="l00033"></a>00033 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_picker.html" title="QwtPlotPicker provides selections on a plot canvas.">QwtPlotPicker</a>( <a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a> * );
<a name="l00034"></a>00034 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_picker.html" title="QwtPlotPicker provides selections on a plot canvas.">QwtPlotPicker</a>();
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_picker.html" title="QwtPlotPicker provides selections on a plot canvas.">QwtPlotPicker</a>( <span class="keywordtype">int</span> xAxis, <span class="keywordtype">int</span> yAxis, <a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a> * );
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_picker.html" title="QwtPlotPicker provides selections on a plot canvas.">QwtPlotPicker</a>( <span class="keywordtype">int</span> xAxis, <span class="keywordtype">int</span> yAxis,
<a name="l00039"></a>00039 <a class="code" href="class_qwt_picker.html#ab36c79d8ff20aba5b778d2823c1f7894">RubberBand</a> rubberBand, <a class="code" href="class_qwt_picker.html#a01be4d404ffc3a7b238b0d0aaeb66b93" title="Display mode.">DisplayMode</a> trackerMode,
<a name="l00040"></a>00040 <a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a> * );
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setAxis( <span class="keywordtype">int</span> xAxis, <span class="keywordtype">int</span> yAxis );
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keywordtype">int</span> xAxis() <span class="keyword">const</span>;
<a name="l00045"></a>00045 <span class="keywordtype">int</span> yAxis() <span class="keyword">const</span>;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <a class="code" href="class_qwt_plot.html" title="A 2-D plotting widget.">QwtPlot</a> *plot();
<a name="l00048"></a>00048 <span class="keyword">const</span> <a class="code" href="class_qwt_plot.html" title="A 2-D plotting widget.">QwtPlot</a> *plot() <span class="keyword">const</span>;
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a> *canvas();
<a name="l00051"></a>00051 <span class="keyword">const</span> <a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a> *canvas() <span class="keyword">const</span>;
<a name="l00052"></a>00052
<a name="l00053"></a>00053 Q_SIGNALS:
<a name="l00054"></a>00054
<a name="l00059"></a>00059 <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#a283ec139021c9b5e95d1472a9c902c7e">selected</a>( <span class="keyword">const</span> QPointF &pos );
<a name="l00060"></a>00060
<a name="l00065"></a>00065 <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#a283ec139021c9b5e95d1472a9c902c7e">selected</a>( <span class="keyword">const</span> QRectF &rect );
<a name="l00066"></a>00066
<a name="l00073"></a>00073 <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#a283ec139021c9b5e95d1472a9c902c7e">selected</a>( <span class="keyword">const</span> QVector<QPointF> &pa );
<a name="l00074"></a>00074
<a name="l00081"></a>00081 <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#ad52219271a7c8efab35ded14ac89827a">appended</a>( <span class="keyword">const</span> QPointF &pos );
<a name="l00082"></a>00082
<a name="l00090"></a>00090 <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#adddb4800c1dac0ba807e731f45d40742">moved</a>( <span class="keyword">const</span> QPointF &pos );
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keyword">protected</span>:
<a name="l00093"></a>00093 QRectF scaleRect() <span class="keyword">const</span>;
<a name="l00094"></a>00094
<a name="l00095"></a>00095 QRectF invTransform( <span class="keyword">const</span> QRect & ) <span class="keyword">const</span>;
<a name="l00096"></a>00096 QRect transform( <span class="keyword">const</span> QRectF & ) <span class="keyword">const</span>;
<a name="l00097"></a>00097
<a name="l00098"></a>00098 QPointF invTransform( <span class="keyword">const</span> QPoint & ) <span class="keyword">const</span>;
<a name="l00099"></a>00099 QPoint transform( <span class="keyword">const</span> QPointF & ) <span class="keyword">const</span>;
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keyword">virtual</span> <a class="code" href="class_qwt_text.html" title="A class representing a text.">QwtText</a> <a class="code" href="class_qwt_picker.html#a48ab7695edfa22df80490bf930f16cc4" title="Return the label for a position.">trackerText</a>( <span class="keyword">const</span> QPoint & ) <span class="keyword">const</span>;
<a name="l00102"></a>00102 <span class="keyword">virtual</span> <a class="code" href="class_qwt_text.html" title="A class representing a text.">QwtText</a> trackerTextF( <span class="keyword">const</span> QPointF & ) <span class="keyword">const</span>;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#a59d92670978f200edb61e429afa06542">move</a>( <span class="keyword">const</span> QPoint & );
<a name="l00105"></a>00105 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#a5dd2e0ce6b2a6cc50e345ec13aef9255">append</a>( <span class="keyword">const</span> QPoint & );
<a name="l00106"></a>00106 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_picker.html#ad258c518257cf2f52326905a36efb0c4" title="Close a selection setting the state to inactive.">end</a>( <span class="keywordtype">bool</span> ok = <span class="keyword">true</span> );
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keyword">private</span>:
<a name="l00109"></a>00109 <span class="keywordtype">int</span> d_xAxis;
<a name="l00110"></a>00110 <span class="keywordtype">int</span> d_yAxis;
<a name="l00111"></a>00111 };
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="preprocessor">#endif</span>
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