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<h1>qwt_counter.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="comment">// vim: expandtab</span>
00011
00012 <span class="preprocessor">#ifndef QWT_COUNTER_H</span>
00013 <span class="preprocessor"></span><span class="preprocessor">#define QWT_COUNTER_H</span>
00014 <span class="preprocessor"></span>
00015 <span class="preprocessor">#include <qwidget.h></span>
00016 <span class="preprocessor">#include "qwt_global.h"</span>
00017 <span class="preprocessor">#include "qwt_drange.h"</span>
00018
00019 <span class="keyword">class </span><a class="code" href="class_qwt_arrow_button.html">QwtArrowButton</a>;
00020 <span class="keyword">class </span>QLineEdit;
00021
<a name="l00063"></a><a class="code" href="class_qwt_counter.html">00063</a> <span class="keyword">class </span>QWT_EXPORT QwtCounter : <span class="keyword">public</span> QWidget, <span class="keyword">public</span> <a class="code" href="class_qwt_dbl_range.html">QwtDblRange</a>
00064 {
00065 Q_OBJECT
00066
00067 Q_PROPERTY( <span class="keywordtype">int</span> numButtons READ numButtons WRITE setNumButtons )
00068 Q_PROPERTY( <span class="keywordtype">double</span> basicstep READ step WRITE setStep )
00069 Q_PROPERTY( <span class="keywordtype">double</span> minValue READ minVal WRITE setMinValue )
00070 Q_PROPERTY( <span class="keywordtype">double</span> maxValue READ maxVal WRITE setMaxValue )
00071 Q_PROPERTY( <span class="keywordtype">int</span> stepButton1 READ stepButton1 WRITE setStepButton1 )
00072 Q_PROPERTY( <span class="keywordtype">int</span> stepButton2 READ stepButton2 WRITE setStepButton2 )
00073 Q_PROPERTY( <span class="keywordtype">int</span> stepButton3 READ stepButton3 WRITE setStepButton3 )
00074 Q_PROPERTY( <span class="keywordtype">double</span> value READ value WRITE setValue )
00075
00076 <span class="keyword">public</span>:
<a name="l00081"></a><a class="code" href="class_qwt_counter.html#w4">00081</a> <span class="keyword">enum</span> Button { Button1, Button2, Button3, ButtonCnt };
00082
00083 QwtCounter(QWidget *parent = 0, <span class="keyword">const</span> <span class="keywordtype">char</span> *name = 0);
00084
<a name="l00086"></a><a class="code" href="class_qwt_counter.html#a1">00086</a> <span class="keywordtype">double</span> <a class="code" href="class_qwt_dbl_range.html#a10">step</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="class_qwt_dbl_range.html#a10">QwtDblRange::step</a>();}
<a name="l00088"></a><a class="code" href="class_qwt_counter.html#a2">00088</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dbl_range.html#a9">setStep</a>(<span class="keywordtype">double</span> s) {<a class="code" href="class_qwt_dbl_range.html#a9">QwtDblRange::setStep</a>(s);}
<a name="l00090"></a><a class="code" href="class_qwt_counter.html#a3">00090</a> <span class="keywordtype">double</span> minVal()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="class_qwt_dbl_range.html#a12">minValue</a>();}
<a name="l00092"></a><a class="code" href="class_qwt_counter.html#a4">00092</a> <span class="keywordtype">void</span> setMinValue(<span class="keywordtype">double</span> m) { <a class="code" href="class_qwt_dbl_range.html#a2">setRange</a>(m, <a class="code" href="class_qwt_dbl_range.html#a11">maxValue</a>(), <a class="code" href="class_qwt_dbl_range.html#a10">step</a>());}
<a name="l00094"></a><a class="code" href="class_qwt_counter.html#a5">00094</a> <span class="keywordtype">double</span> maxVal()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="class_qwt_dbl_range.html#a11">QwtDblRange::maxValue</a>();}
<a name="l00096"></a><a class="code" href="class_qwt_counter.html#a6">00096</a> <span class="keywordtype">void</span> setMaxValue(<span class="keywordtype">double</span> m) {<a class="code" href="class_qwt_dbl_range.html#a2">setRange</a>(<a class="code" href="class_qwt_dbl_range.html#a12">minValue</a>(), m, <a class="code" href="class_qwt_dbl_range.html#a10">step</a>());}
<a name="l00098"></a><a class="code" href="class_qwt_counter.html#a7">00098</a> <span class="keywordtype">void</span> setStepButton1(<span class="keywordtype">int</span> nSteps) {setIncSteps(Button1, nSteps);}
<a name="l00100"></a><a class="code" href="class_qwt_counter.html#a8">00100</a> <span class="keywordtype">int</span> stepButton1()<span class="keyword"> const </span>{<span class="keywordflow">return</span> incSteps(Button1);}
<a name="l00102"></a><a class="code" href="class_qwt_counter.html#a9">00102</a> <span class="keywordtype">void</span> setStepButton2(<span class="keywordtype">int</span> nSteps) {setIncSteps(Button2, nSteps);}
<a name="l00104"></a><a class="code" href="class_qwt_counter.html#a10">00104</a> <span class="keywordtype">int</span> stepButton2()<span class="keyword"> const </span>{<span class="keywordflow">return</span> incSteps(Button2);}
<a name="l00106"></a><a class="code" href="class_qwt_counter.html#a11">00106</a> <span class="keywordtype">void</span> setStepButton3(<span class="keywordtype">int</span> nSteps) {setIncSteps(Button3, nSteps);}
<a name="l00108"></a><a class="code" href="class_qwt_counter.html#a12">00108</a> <span class="keywordtype">int</span> stepButton3()<span class="keyword"> const </span>{<span class="keywordflow">return</span> incSteps(Button3);}
<a name="l00109"></a><a class="code" href="class_qwt_counter.html#a13">00109</a> <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_dbl_range.html#a6">value</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="class_qwt_dbl_range.html#a6">QwtDblRange::value</a>();}
00110
00111 <span class="keywordtype">void</span> setNumButtons(<span class="keywordtype">int</span> n);
00112 <span class="keywordtype">int</span> numButtons() const;
00113
00114 <span class="keywordtype">void</span> setIncSteps(QwtCounter::Button btn, <span class="keywordtype">int</span> nSteps);
00115 <span class="keywordtype">int</span> incSteps(QwtCounter::Button btn) const;
00116
00117 virtual <span class="keywordtype">void</span> setValue(<span class="keywordtype">double</span>);
00118 virtual QSizePolicy sizePolicy() const;
00119 virtual QSize sizeHint() const;
00120
00121 virtual <span class="keywordtype">bool</span> eventFilter(QObject *, QEvent *);
00122
00123 signals:
00128 <span class="keywordtype">void</span> buttonReleased (<span class="keywordtype">double</span> value);
00129
00134 <span class="keywordtype">void</span> valueChanged (<span class="keywordtype">double</span> value);
00135
00136 protected:
00137 virtual <span class="keywordtype">void</span> rangeChange();
00138 virtual <span class="keywordtype">void</span> fontChange(const QFont &f);
00139
00140 private slots:
00141 <span class="keywordtype">void</span> btnReleased();
00142 <span class="keywordtype">void</span> btnClicked();
00143
00144 private:
00145 <span class="keywordtype">void</span> updateButtons();
00146 <span class="keywordtype">void</span> showNum(<span class="keywordtype">double</span>);
00147 virtual <span class="keywordtype">void</span> valueChange();
00148
00149 <a class="code" href="class_qwt_arrow_button.html">QwtArrowButton</a> *d_buttonDown[ButtonCnt];
00150 <a class="code" href="class_qwt_arrow_button.html">QwtArrowButton</a> *d_buttonUp[ButtonCnt];
00151 QLineEdit *d_valueEdit;
00152
00153 <span class="keywordtype">int</span> d_increment[ButtonCnt];
00154 <span class="keywordtype">int</span> d_nButtons;
00155
00156 <span class="keywordtype">bool</span> d_blockKeys;
00157 <span class="keywordtype">bool</span> d_keyPressed;
00158 };
00159
00160 #endif
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