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<h1>qwt_plot_zoomer.h</h1><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="comment">// vim: expandtab</span>
<a name="l00011"></a>00011
<a name="l00012"></a>00012 <span class="preprocessor">#ifndef QWT_PLOT_ZOOMER_H</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PLOT_ZOOMER_H</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <qglobal.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#include <qvaluestack.h></span>
<a name="l00018"></a>00018 <span class="preprocessor">#else</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#include <qstack.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#endif</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "qwt_double_rect.h"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "qwt_plot_picker.h"</span>
<a name="l00024"></a>00024
<a name="l00049"></a><a class="code" href="class_qwt_plot_zoomer.html">00049</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_zoomer.html" title="QwtPlotZoomer provides stacked zooming for a plot widget.">QwtPlotZoomer</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_plot_picker.html" title="QwtPlotPicker provides selections on a plot canvas.">QwtPlotPicker</a>
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 Q_OBJECT
<a name="l00052"></a>00052 <span class="keyword">public</span>:
<a name="l00053"></a>00053 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_zoomer.html" title="QwtPlotZoomer provides stacked zooming for a plot widget.">QwtPlotZoomer</a>(<a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a> *, <span class="keywordtype">bool</span> doReplot = <span class="keyword">true</span>);
<a name="l00054"></a>00054 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_zoomer.html" title="QwtPlotZoomer provides stacked zooming for a plot widget.">QwtPlotZoomer</a>(<span class="keywordtype">int</span> xAxis, <span class="keywordtype">int</span> yAxis,
<a name="l00055"></a>00055 <a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a> *, <span class="keywordtype">bool</span> doReplot = <span class="keyword">true</span>);
<a name="l00056"></a>00056 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_zoomer.html" title="QwtPlotZoomer provides stacked zooming for a plot widget.">QwtPlotZoomer</a>(<span class="keywordtype">int</span> xAxis, <span class="keywordtype">int</span> yAxis, <span class="keywordtype">int</span> selectionFlags,
<a name="l00057"></a>00057 <a class="code" href="class_qwt_picker.html#01be4d404ffc3a7b238b0d0aaeb66b93">DisplayMode</a> trackerMode, <a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a> *,
<a name="l00058"></a>00058 <span class="keywordtype">bool</span> doReplot = <span class="keyword">true</span>);
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_zoomer.html" title="QwtPlotZoomer provides stacked zooming for a plot widget.">QwtPlotZoomer</a>();
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setZoomBase(<span class="keywordtype">bool</span> doReplot = <span class="keyword">true</span>);
<a name="l00063"></a>00063 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setZoomBase(<span class="keyword">const</span> QwtDoubleRect &);
<a name="l00064"></a>00064
<a name="l00065"></a>00065 QwtDoubleRect zoomBase() <span class="keyword">const</span>;
<a name="l00066"></a>00066 QwtDoubleRect zoomRect() <span class="keyword">const</span>;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_picker.html#a901c86543585c7056133a5cb6652e3d">setAxis</a>(<span class="keywordtype">int</span> xAxis, <span class="keywordtype">int</span> yAxis);
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keywordtype">void</span> setMaxStackDepth(<span class="keywordtype">int</span>);
<a name="l00071"></a>00071 <span class="keywordtype">int</span> maxStackDepth() <span class="keyword">const</span>;
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span> <span class="keyword">const</span> QValueStack<QwtDoubleRect> &zoomStack() <span class="keyword">const</span>;
<a name="l00075"></a>00075 <span class="keywordtype">void</span> setZoomStack(<span class="keyword">const</span> QValueStack<QwtDoubleRect> &,
<a name="l00076"></a>00076 <span class="keywordtype">int</span> zoomRectIndex = -1);
<a name="l00077"></a>00077 <span class="preprocessor">#else</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span> <span class="keyword">const</span> QStack<QwtDoubleRect> &zoomStack() <span class="keyword">const</span>;
<a name="l00079"></a>00079 <span class="keywordtype">void</span> setZoomStack(<span class="keyword">const</span> QStack<QwtDoubleRect> &,
<a name="l00080"></a>00080 <span class="keywordtype">int</span> zoomRectIndex = -1);
<a name="l00081"></a>00081 <span class="preprocessor">#endif</span>
<a name="l00082"></a>00082 <span class="preprocessor"></span> uint zoomRectIndex() <span class="keyword">const</span>;
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#e93fe995c8c581ac33a9f3445ea5e7b9">setSelectionFlags</a>(<span class="keywordtype">int</span>);
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keyword">public</span> slots:
<a name="l00087"></a>00087 <span class="keywordtype">void</span> moveBy(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y);
<a name="l00088"></a>00088 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_picker.html#7a979d23cd4d398e309409e76635bcf4">move</a>(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y);
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keyword">virtual</span> <span class="keywordtype">void</span> zoom(<span class="keyword">const</span> QwtDoubleRect &);
<a name="l00091"></a>00091 <span class="keyword">virtual</span> <span class="keywordtype">void</span> zoom(<span class="keywordtype">int</span> up);
<a name="l00092"></a>00092
<a name="l00093"></a>00093 signals:
<a name="l00101"></a>00101 <span class="keywordtype">void</span> zoomed(<span class="keyword">const</span> QwtDoubleRect &rect);
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keyword">protected</span>:
<a name="l00104"></a>00104 <span class="keyword">virtual</span> <span class="keywordtype">void</span> rescale();
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keyword">virtual</span> QwtDoubleSize minZoomSize() <span class="keyword">const</span>;
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#c009633e005b6290e07b902f2a58e45e">widgetMouseReleaseEvent</a>(QMouseEvent *);
<a name="l00109"></a>00109 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#f5bc441b2fc143363563922a3b3c70ae">widgetKeyPressEvent</a>(QKeyEvent *);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#49cb19aea451e275c5d376235e5a1d83">begin</a>();
<a name="l00112"></a>00112 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_plot_picker.html#9fceb663542b6f9b0a358e9419406423">end</a>(<span class="keywordtype">bool</span> ok = <span class="keyword">true</span>);
<a name="l00113"></a>00113 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_picker.html#c59b7fde6b198f76ea91b4b1a4015af5" title="Validate and fixup the selection.">accept</a>(QwtPolygon &) <span class="keyword">const</span>;
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keyword">private</span>:
<a name="l00116"></a>00116 <span class="keywordtype">void</span> init(<span class="keywordtype">int</span> selectionFlags, <a class="code" href="class_qwt_picker.html#01be4d404ffc3a7b238b0d0aaeb66b93">DisplayMode</a> trackerMode, <span class="keywordtype">bool</span> doReplot);
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="keyword">class </span>PrivateData;
<a name="l00119"></a>00119 PrivateData *d_data;
<a name="l00120"></a>00120 };
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="preprocessor">#endif</span>
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Sun Mar 22 16:41:17 2009 for Qwt User's Guide by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
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