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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_thermo.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_thermo.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="preprocessor">#include <qpainter.h></span><a name="l00011"></a>00011 <span class="preprocessor">#include <qevent.h></span><a name="l00012"></a>00012 <span class="preprocessor">#include <qstyle.h></span><a name="l00013"></a>00013 <span class="preprocessor">#include <qpixmap.h></span><a name="l00014"></a>00014 <span class="preprocessor">#include <qdrawutil.h></span><a name="l00015"></a>00015 <span class="preprocessor">#include "qwt_math.h"</span><a name="l00016"></a>00016 <span class="preprocessor">#include "qwt_scale_engine.h"</span><a name="l00017"></a>00017 <span class="preprocessor">#include "qwt_scale_draw.h"</span><a name="l00018"></a>00018 <span class="preprocessor">#include "qwt_scale_map.h"</span><a name="l00019"></a>00019 <span class="preprocessor">#include "qwt_paint_buffer.h"</span><a name="l00020"></a>00020 <span class="preprocessor">#include "qwt_thermo.h"</span><a name="l00021"></a>00021 <a name="l00022"></a>00022 <span class="keyword">class </span>QwtThermo::PrivateData<a name="l00023"></a>00023 {<a name="l00024"></a>00024 <span class="keyword">public</span>:<a name="l00025"></a>00025 PrivateData():<a name="l00026"></a>00026 <a class="code" href="class_qwt_thermo.html#20f5039265bf80486a339de63d7d0b49">fillBrush</a>(Qt::black),<a name="l00027"></a>00027 <a class="code" href="class_qwt_thermo.html#63ae7b54ff9010289072ba156849d461">alarmBrush</a>(Qt::white),<a name="l00028"></a>00028 orientation(Qt::Vertical),<a name="l00029"></a>00029 scalePos(<a class="code" href="class_qwt_thermo.html">QwtThermo</a>::LeftScale),<a name="l00030"></a>00030 <a class="code" href="class_qwt_thermo.html#a3e9ce551b041571bdc2688930cf553c">borderWidth</a>(2),<a name="l00031"></a>00031 scaleDist(3),<a name="l00032"></a>00032 thermoWidth(10),<a name="l00033"></a>00033 <a class="code" href="class_qwt_thermo.html#bdfe677ea62da9bc0f99818bd38a0723">minValue</a>(0.0),<a name="l00034"></a>00034 <a class="code" href="class_qwt_thermo.html#57da0b3bccc325422d24e0fd1d285177">maxValue</a>(1.0),<a name="l00035"></a>00035 <a class="code" href="class_qwt_thermo.html#e359eec1e467ad86706b9cccb4e04c97">value</a>(0.0),<a name="l00036"></a>00036 <a class="code" href="class_qwt_thermo.html#5ed8270840b7e23c539fdd67c3b6b846">alarmLevel</a>(0.0),<a name="l00037"></a>00037 <a class="code" href="class_qwt_thermo.html#98d686ce15953eecd774e6c1dbb75286">alarmEnabled</a>(false)<a name="l00038"></a>00038 {<a name="l00039"></a>00039 map.setScaleInterval(<a class="code" href="class_qwt_thermo.html#bdfe677ea62da9bc0f99818bd38a0723">minValue</a>, <a class="code" href="class_qwt_thermo.html#57da0b3bccc325422d24e0fd1d285177">maxValue</a>);<a name="l00040"></a>00040 }<a name="l00041"></a>00041 <a name="l00042"></a>00042 <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> map;<a name="l00043"></a>00043 QRect thermoRect;<a name="l00044"></a>00044 QBrush <a class="code" href="class_qwt_thermo.html#20f5039265bf80486a339de63d7d0b49">fillBrush</a>;<a name="l00045"></a>00045 QBrush <a class="code" href="class_qwt_thermo.html#63ae7b54ff9010289072ba156849d461">alarmBrush</a>;<a name="l00046"></a>00046 <a name="l00047"></a>00047 Qt::Orientation orientation;<a name="l00048"></a>00048 <a class="code" href="class_qwt_thermo.html#adfd670812eef5a798dcdb58cffb039b">ScalePos</a> scalePos;<a name="l00049"></a>00049 <span class="keywordtype">int</span> <a class="code" href="class_qwt_thermo.html#a3e9ce551b041571bdc2688930cf553c">borderWidth</a>;<a name="l00050"></a>00050 <span class="keywordtype">int</span> scaleDist;<a name="l00051"></a>00051 <span class="keywordtype">int</span> thermoWidth;<a name="l00052"></a>00052 <a name="l00053"></a>00053 <span class="keywordtype">double</span> <a class="code" href="class_qwt_thermo.html#bdfe677ea62da9bc0f99818bd38a0723">minValue</a>;<a name="l00054"></a>00054 <span class="keywordtype">double</span> <a class="code" href="class_qwt_thermo.html#57da0b3bccc325422d24e0fd1d285177">maxValue</a>;<a name="l00055"></a>00055 <span class="keywordtype">double</span> <a class="code" href="class_qwt_thermo.html#e359eec1e467ad86706b9cccb4e04c97">value</a>;<a name="l00056"></a>00056 <span class="keywordtype">double</span> <a class="code" href="class_qwt_thermo.html#5ed8270840b7e23c539fdd67c3b6b846">alarmLevel</a>;<a name="l00057"></a>00057 <span class="keywordtype">bool</span> <a class="code" href="class_qwt_thermo.html#98d686ce15953eecd774e6c1dbb75286">alarmEnabled</a>;<a name="l00058"></a>00058 };<a name="l00059"></a>00059 <a name="l00064"></a><a class="code" href="class_qwt_thermo.html#1d5bb3608c29cd8d104f22f0ffe31098">00064</a> <a class="code" href="class_qwt_thermo.html#1d5bb3608c29cd8d104f22f0ffe31098">QwtThermo::QwtThermo</a>(QWidget *parent): <a name="l00065"></a>00065 QWidget(parent)<a name="l00066"></a>00066 {<a name="l00067"></a>00067 initThermo();<a name="l00068"></a>00068 }<a name="l00069"></a>00069 <a name="l00070"></a>00070 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00071"></a>00071 <span class="preprocessor"></span><a name="l00076"></a>00076 <a class="code" href="class_qwt_thermo.html#1d5bb3608c29cd8d104f22f0ffe31098">QwtThermo::QwtThermo</a>(QWidget *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name): <a name="l00077"></a>00077 QWidget(parent, name)<a name="l00078"></a>00078 {<a name="l00079"></a>00079 initThermo();<a name="l00080"></a>00080 }<a name="l00081"></a>00081 <span class="preprocessor">#endif</span><a name="l00082"></a>00082 <span class="preprocessor"></span><a name="l00083"></a>00083 <span class="keywordtype">void</span> QwtThermo::initThermo()<a name="l00084"></a>00084 {<a name="l00085"></a>00085 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00086"></a>00086 <span class="preprocessor"></span> setWFlags(Qt::WNoAutoErase);<a name="l00087"></a>00087 <span class="preprocessor">#endif</span><a name="l00088"></a>00088 <span class="preprocessor"></span> d_data = <span class="keyword">new</span> PrivateData;<a name="l00089"></a>00089 <a class="code" href="class_qwt_thermo.html#b9f660f7ed2c0878926cb6f02dbfe9fc">setRange</a>(d_data->minValue, d_data->maxValue, <span class="keyword">false</span>);<a name="l00090"></a>00090 <a name="l00091"></a>00091 QSizePolicy policy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);<a name="l00092"></a>00092 <span class="keywordflow">if</span> (d_data->orientation == Qt::Vertical) <a name="l00093"></a>00093 policy.transpose();<a name="l00094"></a>00094 <a name="l00095"></a>00095 setSizePolicy(policy);<a name="l00096"></a>00096 <a name="l00097"></a>00097 <span class="preprocessor">#if QT_VERSION >= 0x040000</span><a name="l00098"></a>00098 <span class="preprocessor"></span> setAttribute(Qt::WA_WState_OwnSizePolicy, <span class="keyword">false</span>);<a name="l00099"></a>00099 <span class="preprocessor">#else</span><a name="l00100"></a>00100 <span class="preprocessor"></span> clearWState( WState_OwnSizePolicy );<a name="l00101"></a>00101 <span class="preprocessor">#endif</span><a name="l00102"></a>00102 <span class="preprocessor"></span>}<a name="l00103"></a>00103 <a name="l00105"></a><a class="code" href="class_qwt_thermo.html#d0e2bd43eae2402ade490a5e6c4ef4ae">00105</a> <a class="code" href="class_qwt_thermo.html#d0e2bd43eae2402ade490a5e6c4ef4ae">QwtThermo::~QwtThermo</a>()<a name="l00106"></a>00106 {<a name="l00107"></a>00107 <span class="keyword">delete</span> d_data;<a name="l00108"></a>00108 }<a name="l00109"></a>00109 <a name="l00111"></a><a class="code" href="class_qwt_thermo.html#84db82c29e3431a1eaef9c3cd913a105">00111</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_thermo.html#84db82c29e3431a1eaef9c3cd913a105">QwtThermo::setMaxValue</a>(<span class="keywordtype">double</span> v) <a name="l00112"></a>00112 { <a name="l00113"></a>00113 <a class="code" href="class_qwt_thermo.html#b9f660f7ed2c0878926cb6f02dbfe9fc">setRange</a>(d_data->minValue, v); <a name="l00114"></a>00114 }<a name="l00115"></a>00115 <a name="l00117"></a><a class="code" href="class_qwt_thermo.html#57da0b3bccc325422d24e0fd1d285177">00117</a> <span class="keywordtype">double</span> <a class="code" href="class_qwt_thermo.html#57da0b3bccc325422d24e0fd1d285177">QwtThermo::maxValue</a>()<span class="keyword"> const </span><a name="l00118"></a>00118 <span class="keyword"></span>{ <a name="l00119"></a>00119 <span class="keywordflow">return</span> d_data->maxValue; <a name="l00120"></a>00120 }<a name="l00121"></a>00121 <a name="l00123"></a><a class="code" href="class_qwt_thermo.html#cf1b3d160eeb5b5763cc6f4cb9976f3d">00123</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_thermo.html#cf1b3d160eeb5b5763cc6f4cb9976f3d">QwtThermo::setMinValue</a>(<span class="keywordtype">double</span> v) <a name="l00124"></a>00124 { <a name="l00125"></a>00125 <a class="code" href="class_qwt_thermo.html#b9f660f7ed2c0878926cb6f02dbfe9fc">setRange</a>(v, d_data->maxValue); <a name="l00126"></a>00126 }<a name="l00127"></a>00127 <a name="l00129"></a><a class="code" href="class_qwt_thermo.html#bdfe677ea62da9bc0f99818bd38a0723">00129</a> <span class="keywordtype">double</span> <a class="code" href="class_qwt_thermo.html#bdfe677ea62da9bc0f99818bd38a0723">QwtThermo::minValue</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->minValue; <a name="l00132"></a>00132 }<a name="l00133"></a>00133 <a name="l00135"></a><a class="code" href="class_qwt_thermo.html#d54ebf4761c12f948d09cd45a26d1fd4">00135</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_thermo.html#d54ebf4761c12f948d09cd45a26d1fd4">QwtThermo::setValue</a>(<span class="keywordtype">double</span> v)<a name="l00136"></a>00136 {<a name="l00137"></a>00137 <span class="keywordflow">if</span> (d_data->value != v)<a name="l00138"></a>00138 {<a name="l00139"></a>00139 d_data->value = v;<a name="l00140"></a>00140 update();<a name="l00141"></a>00141 }<a name="l00142"></a>00142 }<a name="l00143"></a>00143 <a name="l00145"></a><a class="code" href="class_qwt_thermo.html#e359eec1e467ad86706b9cccb4e04c97">00145</a> <span class="keywordtype">double</span> <a class="code" href="class_qwt_thermo.html#e359eec1e467ad86706b9cccb4e04c97">QwtThermo::value</a>()<span class="keyword"> const </span><a name="l00146"></a>00146 <span class="keyword"></span>{ <a name="l00147"></a>00147 <span class="keywordflow">return</span> d_data->value; <a name="l00148"></a>00148 }⌨️ 快捷键说明
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