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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Qwt User's Guide: qwt_plot_dict.cpp Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.6 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><h1>qwt_plot_dict.cpp</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">#include "qwt_plot_dict.h"</span><a name="l00013"></a>00013 <a name="l00014"></a>00014 <span class="keyword">class </span>QwtPlotDict::PrivateData<a name="l00015"></a>00015 {<a name="l00016"></a>00016 <span class="keyword">public</span>:<a name="l00017"></a>00017 <a name="l00018"></a>00018 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00019"></a>00019 <span class="preprocessor"></span> <span class="keyword">class </span>ItemList: <span class="keyword">public</span> QValueList<QwtPlotItem *><a name="l00020"></a>00020 #else<a name="l00021"></a>00021 class ItemList: <span class="keyword">public</span> QList<QwtPlotItem *><a name="l00022"></a>00022 #endif<a name="l00023"></a>00023 {<a name="l00024"></a>00024 <span class="keyword">public</span>:<a name="l00025"></a>00025 <span class="keywordtype">void</span> insertItem(<a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a> *item)<a name="l00026"></a>00026 {<a name="l00027"></a>00027 <span class="keywordflow">if</span> ( item == NULL )<a name="l00028"></a>00028 <span class="keywordflow">return</span>;<a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="comment">// Unfortunately there is no inSort operation</span><a name="l00031"></a>00031 <span class="comment">// for lists in Qt4. The implementation below</span><a name="l00032"></a>00032 <span class="comment">// is slow, but there shouldn't be many plot items.</span><a name="l00033"></a>00033 <a name="l00034"></a>00034 <span class="preprocessor">#ifdef __GNUC__</span><a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#endif</span><a name="l00036"></a>00036 <span class="preprocessor"></span><a name="l00037"></a>00037 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00038"></a>00038 <span class="preprocessor"></span> QValueListIterator<QwtPlotItem *> it;<a name="l00039"></a>00039 <span class="preprocessor">#else</span><a name="l00040"></a>00040 <span class="preprocessor"></span> QList<QwtPlotItem *>::Iterator it;<a name="l00041"></a>00041 <span class="preprocessor">#endif</span><a name="l00042"></a>00042 <span class="preprocessor"></span> <span class="keywordflow">for</span> ( it = begin(); it != end(); ++it )<a name="l00043"></a>00043 {<a name="l00044"></a>00044 <span class="keywordflow">if</span> ( *it == item )<a name="l00045"></a>00045 <span class="keywordflow">return</span>;<a name="l00046"></a>00046 <a name="l00047"></a>00047 <span class="keywordflow">if</span> ( (*it)->z() > item-><a class="code" href="class_qwt_plot_item.html#4c58d814336643190b9f2918f80c30df">z</a>() )<a name="l00048"></a>00048 {<a name="l00049"></a>00049 insert(it, item);<a name="l00050"></a>00050 <span class="keywordflow">return</span>;<a name="l00051"></a>00051 }<a name="l00052"></a>00052 }<a name="l00053"></a>00053 append(item);<a name="l00054"></a>00054 }<a name="l00055"></a>00055 <a name="l00056"></a>00056 <span class="keywordtype">void</span> removeItem(<a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a> *item)<a name="l00057"></a>00057 {<a name="l00058"></a>00058 <span class="keywordflow">if</span> ( item == NULL )<a name="l00059"></a>00059 <span class="keywordflow">return</span>;<a name="l00060"></a>00060 <a name="l00061"></a>00061 <span class="keywordtype">int</span> i = 0;<a name="l00062"></a>00062 <a name="l00063"></a>00063 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00064"></a>00064 <span class="preprocessor"></span> QValueListIterator<QwtPlotItem *> it;<a name="l00065"></a>00065 <span class="preprocessor">#else</span><a name="l00066"></a>00066 <span class="preprocessor"></span> QList<QwtPlotItem *>::Iterator it;<a name="l00067"></a>00067 <span class="preprocessor">#endif</span><a name="l00068"></a>00068 <span class="preprocessor"></span> <span class="keywordflow">for</span> ( it = begin(); it != end(); ++it )<a name="l00069"></a>00069 {<a name="l00070"></a>00070 <span class="keywordflow">if</span> ( item == *it )<a name="l00071"></a>00071 {<a name="l00072"></a>00072 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00073"></a>00073 <span class="preprocessor"></span> remove(it);<a name="l00074"></a>00074 <span class="preprocessor">#else</span><a name="l00075"></a>00075 <span class="preprocessor"></span> removeAt(i);<a name="l00076"></a>00076 <span class="preprocessor">#endif</span><a name="l00077"></a>00077 <span class="preprocessor"></span> <span class="keywordflow">return</span>;<a name="l00078"></a>00078 }<a name="l00079"></a>00079 i++;<a name="l00080"></a>00080 }<a name="l00081"></a>00081 }<a name="l00082"></a>00082 };<a name="l00083"></a>00083 <a name="l00084"></a>00084 ItemList <a class="code" href="class_qwt_plot_dict.html#9cbb1c5c22de93594b7e2524af108f55">itemList</a>;<a name="l00085"></a>00085 <span class="keywordtype">bool</span> <a class="code" href="class_qwt_plot_dict.html#10dfae8b454fa4258b0372366013507a">autoDelete</a>;<a name="l00086"></a>00086 };<a name="l00087"></a>00087 <a name="l00094"></a><a class="code" href="class_qwt_plot_dict.html#0ee364450834ac63f4cbd5baab82d15f">00094</a> <a class="code" href="class_qwt_plot_dict.html#0ee364450834ac63f4cbd5baab82d15f">QwtPlotDict::QwtPlotDict</a>()<a name="l00095"></a>00095 {<a name="l00096"></a>00096 d_data = <span class="keyword">new</span> QwtPlotDict::PrivateData;<a name="l00097"></a>00097 d_data->autoDelete = <span class="keyword">true</span>;<a name="l00098"></a>00098 }<a name="l00099"></a>00099 <a name="l00106"></a><a class="code" href="class_qwt_plot_dict.html#9199acfe3e8dcb095065bff3f90f518b">00106</a> <a class="code" href="class_qwt_plot_dict.html#9199acfe3e8dcb095065bff3f90f518b">QwtPlotDict::~QwtPlotDict</a>()<a name="l00107"></a>00107 {<a name="l00108"></a>00108 <a class="code" href="class_qwt_plot_dict.html#cb2e402e05c693433ed7e84696fbdfc0">detachItems</a>(QwtPlotItem::Rtti_PlotItem, d_data->autoDelete);<a name="l00109"></a>00109 <span class="keyword">delete</span> d_data;<a name="l00110"></a>00110 }<a name="l00111"></a>00111 <a name="l00120"></a><a class="code" href="class_qwt_plot_dict.html#3291431f0a9cca5b2affc5adf17bbdfb">00120</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_dict.html#3291431f0a9cca5b2affc5adf17bbdfb">QwtPlotDict::setAutoDelete</a>(<span class="keywordtype">bool</span> autoDelete)<a name="l00121"></a>00121 {<a name="l00122"></a>00122 d_data->autoDelete = autoDelete;<a name="l00123"></a>00123 }<a name="l00124"></a>00124 <a name="l00129"></a><a class="code" href="class_qwt_plot_dict.html#10dfae8b454fa4258b0372366013507a">00129</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_plot_dict.html#10dfae8b454fa4258b0372366013507a">QwtPlotDict::autoDelete</a>()<span class="keyword"> const</span><a name="l00130"></a>00130 <span class="keyword"></span>{<a name="l00131"></a>00131 <span class="keywordflow">return</span> d_data->autoDelete;<a name="l00132"></a>00132 }<a name="l00133"></a>00133 <a name="l00146"></a>00146 <span class="keywordtype">void</span> QwtPlotDict::attachItem(<a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a> *item, <span class="keywordtype">bool</span> on)<a name="l00147"></a>00147 {<a name="l00148"></a>00148 <span class="keywordflow">if</span> ( on )<a name="l00149"></a>00149 d_data->itemList.insertItem(item);<a name="l00150"></a>00150 <span class="keywordflow">else</span><a name="l00151"></a>00151 d_data->itemList.removeItem(item);<a name="l00152"></a>00152 }<a name="l00153"></a>00153 <a name="l00161"></a><a class="code" href="class_qwt_plot_dict.html#cb2e402e05c693433ed7e84696fbdfc0">00161</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_dict.html#cb2e402e05c693433ed7e84696fbdfc0">QwtPlotDict::detachItems</a>(<span class="keywordtype">int</span> rtti, <span class="keywordtype">bool</span> autoDelete)<a name="l00162"></a>00162 {<a name="l00163"></a>00163 PrivateData::ItemList list = d_data->itemList;<a name="l00164"></a>00164 QwtPlotItemIterator it = list.begin();<a name="l00165"></a>00165 <span class="keywordflow">while</span> ( it != list.end() )<a name="l00166"></a>00166 {<a name="l00167"></a>00167 <a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a> *item = *it;<a name="l00168"></a>00168 <a name="l00169"></a>00169 ++it; <span class="comment">// increment before removing item from the list</span><a name="l00170"></a>00170 <a name="l00171"></a>00171 <span class="keywordflow">if</span> ( rtti == QwtPlotItem::Rtti_PlotItem || item->rtti() == rtti )<a name="l00172"></a>00172 {<a name="l00173"></a>00173 item->attach(NULL);<a name="l00174"></a>00174 <span class="keywordflow">if</span> ( autoDelete )<a name="l00175"></a>00175 <span class="keyword">delete</span> item;<a name="l00176"></a>00176 }<a name="l00177"></a>00177 }<a name="l00178"></a>00178 }<a name="l00179"></a>00179 <a name="l00181"></a><a class="code" href="class_qwt_plot_dict.html#9cbb1c5c22de93594b7e2524af108f55">00181</a> <span class="keyword">const</span> QwtPlotItemList &<a class="code" href="class_qwt_plot_dict.html#9cbb1c5c22de93594b7e2524af108f55">QwtPlotDict::itemList</a>()<span class="keyword"> const</span><a name="l00182"></a>00182 <span class="keyword"></span>{<a name="l00183"></a>00183 <span class="keywordflow">return</span> d_data->itemList;<a name="l00184"></a>00184 }</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Feb 26 21:22:37 2007 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> 1.4.6 </small></address></body></html>⌨️ 快捷键说明
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