Peter M. Groen / openbr

qwt__dial_8h_source.html 20.7 KB
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<h1>qwt_dial.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: &quot;stroustrup&quot; -*- *****************************</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_DIAL_H</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_DIAL_H 1</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include &quot;qwt_global.h&quot;</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include &quot;qwt_abstract_slider.h&quot;</span>
<a name="l00015"></a>00015 <span class="preprocessor">#include &quot;qwt_round_scale_draw.h&quot;</span>
<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;qframe.h&gt;</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include &lt;qpalette.h&gt;</span>
<a name="l00018"></a>00018 
<a name="l00019"></a>00019 <span class="keyword">class </span><a class="code" href="class_qwt_dial_needle.html" title="Base class for needles that can be used in a QwtDial.">QwtDialNeedle</a>;
<a name="l00020"></a>00020 <span class="keyword">class </span><a class="code" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control.">QwtDial</a>;
<a name="l00021"></a>00021 
<a name="l00027"></a><a class="code" href="class_qwt_dial_scale_draw.html">00027</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_dial_scale_draw.html" title="A special scale draw made for QwtDial.">QwtDialScaleDraw</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_round_scale_draw.html" title="A class for drawing round scales.">QwtRoundScaleDraw</a>
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029 <span class="keyword">public</span>:
<a name="l00030"></a>00030     <span class="keyword">explicit</span> <a class="code" href="class_qwt_dial_scale_draw.html" title="A special scale draw made for QwtDial.">QwtDialScaleDraw</a>( <a class="code" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control.">QwtDial</a> * );
<a name="l00031"></a>00031 
<a name="l00032"></a>00032     <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_abstract_scale_draw.html#a4ff88bc827dd6c6ca9298de13483b61f" title="Convert a value into its representing label.">label</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;
<a name="l00033"></a>00033 
<a name="l00034"></a>00034     <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_scale_draw.html#a098e1f813077c9bb0c5f83266035943a" title="Specify the width of the scale pen.">setPenWidth</a>( <span class="keywordtype">double</span> );
<a name="l00035"></a>00035     <span class="keywordtype">double</span> <a class="code" href="class_qwt_abstract_scale_draw.html#a8933b8da6332a6d4badfa83e67b74865">penWidth</a>() <span class="keyword">const</span>;
<a name="l00036"></a>00036 
<a name="l00037"></a>00037 <span class="keyword">private</span>:
<a name="l00038"></a>00038     <a class="code" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control.">QwtDial</a> *d_parent;
<a name="l00039"></a>00039     <span class="keywordtype">double</span> d_penWidth;
<a name="l00040"></a>00040 };
<a name="l00041"></a>00041 
<a name="l00066"></a><a class="code" href="class_qwt_dial.html">00066</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control.">QwtDial</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_abstract_slider.html" title="An abstract base class for slider widgets.">QwtAbstractSlider</a>
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068     Q_OBJECT
<a name="l00069"></a>00069 
<a name="l00070"></a>00070     Q_ENUMS( <a class="code" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386" title="Frame shadow.">Shadow</a> )
<a name="l00071"></a>00071     Q_ENUMS( <a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ad" title="Mode controlling wether the needle or the scale is rotating.">Mode</a> )
<a name="l00072"></a>00072     Q_ENUMS( <a class="code" href="class_qwt_dial.html#af6bee6040f4342d4d60c5e1cf3a06b54" title="Direction of the dial.">Direction</a> )
<a name="l00073"></a>00073 
<a name="l00074"></a>00074     Q_PROPERTY( <span class="keywordtype">int</span> lineWidth READ lineWidth WRITE setLineWidth )
<a name="l00075"></a>00075     Q_PROPERTY( <a class="code" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386" title="Frame shadow.">Shadow</a> frameShadow READ frameShadow WRITE setFrameShadow )
<a name="l00076"></a>00076     Q_PROPERTY( <a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ad" title="Mode controlling wether the needle or the scale is rotating.">Mode</a> mode READ mode WRITE setMode )
<a name="l00077"></a>00077     Q_PROPERTY( <span class="keywordtype">double</span> origin READ origin WRITE setOrigin )
<a name="l00078"></a>00078     Q_PROPERTY( <span class="keywordtype">bool</span> wrapping READ wrapping WRITE setWrapping )
<a name="l00079"></a>00079     Q_PROPERTY( <a class="code" href="class_qwt_dial.html#af6bee6040f4342d4d60c5e1cf3a06b54" title="Direction of the dial.">Direction</a> direction READ direction WRITE setDirection )
<a name="l00080"></a>00080 
<a name="l00081"></a>00081     <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="class_qwt_dial_scale_draw.html" title="A special scale draw made for QwtDial.">QwtDialScaleDraw</a>;
<a name="l00082"></a>00082 <span class="keyword">public</span>:
<a name="l00083"></a>00083 
<a name="l00092"></a><a class="code" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386">00092</a>     <span class="keyword">enum</span> <a class="code" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386" title="Frame shadow.">Shadow</a>
<a name="l00093"></a>00093     {
<a name="l00095"></a><a class="code" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386a8d0cdae56d44bcd25574d7e432498d86">00095</a>         Plain = QFrame::Plain,
<a name="l00096"></a>00096 
<a name="l00098"></a><a class="code" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386a4054b8890d1f837387762b4a12157847">00098</a>         Raised = QFrame::Raised,
<a name="l00099"></a>00099 
<a name="l00101"></a><a class="code" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386ae1388e8ff1a378e22cd082fcb46aa685">00101</a>         Sunken = QFrame::Sunken
<a name="l00102"></a>00102     };
<a name="l00103"></a>00103 
<a name="l00105"></a><a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ad">00105</a>     <span class="keyword">enum</span> <a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ad" title="Mode controlling wether the needle or the scale is rotating.">Mode</a>
<a name="l00106"></a>00106     {
<a name="l00108"></a><a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85adacc23db2e06c9098f8cfbd0181184054a">00108</a>         <a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85adacc23db2e06c9098f8cfbd0181184054a" title="The needle is rotating.">RotateNeedle</a>,
<a name="l00109"></a>00109 
<a name="l00111"></a><a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ada95a22f59ec832d22f011a9421f528c41">00111</a>         RotateScale
<a name="l00112"></a>00112     };
<a name="l00113"></a>00113 
<a name="l00115"></a><a class="code" href="class_qwt_dial.html#af6bee6040f4342d4d60c5e1cf3a06b54">00115</a>     <span class="keyword">enum</span> <a class="code" href="class_qwt_dial.html#af6bee6040f4342d4d60c5e1cf3a06b54" title="Direction of the dial.">Direction</a>
<a name="l00116"></a>00116     {
<a name="l00118"></a><a class="code" href="class_qwt_dial.html#af6bee6040f4342d4d60c5e1cf3a06b54a820f9eed4dc5cce9ddaceeaf52569400">00118</a>         <a class="code" href="class_qwt_dial.html#af6bee6040f4342d4d60c5e1cf3a06b54a820f9eed4dc5cce9ddaceeaf52569400" title="Clockwise.">Clockwise</a>,
<a name="l00119"></a>00119 
<a name="l00121"></a><a class="code" href="class_qwt_dial.html#af6bee6040f4342d4d60c5e1cf3a06b54ade8fbcadeeee81f6d86e5ea1237d23a7">00121</a>         CounterClockwise
<a name="l00122"></a>00122     };
<a name="l00123"></a>00123 
<a name="l00124"></a>00124     <span class="keyword">explicit</span> <a class="code" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control.">QwtDial</a>( QWidget *parent = NULL );
<a name="l00125"></a>00125     <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control.">QwtDial</a>();
<a name="l00126"></a>00126 
<a name="l00127"></a>00127     <span class="keywordtype">void</span> setFrameShadow( Shadow );
<a name="l00128"></a>00128     Shadow frameShadow() <span class="keyword">const</span>;
<a name="l00129"></a>00129 
<a name="l00130"></a>00130     <span class="keywordtype">void</span> setLineWidth( <span class="keywordtype">int</span> );
<a name="l00131"></a>00131     <span class="keywordtype">int</span> lineWidth() <span class="keyword">const</span>;
<a name="l00132"></a>00132 
<a name="l00133"></a>00133     <span class="keywordtype">void</span> setMode( Mode );
<a name="l00134"></a>00134     Mode mode() <span class="keyword">const</span>;
<a name="l00135"></a>00135 
<a name="l00136"></a>00136     <span class="keyword">virtual</span> <span class="keywordtype">void</span> setWrapping( <span class="keywordtype">bool</span> );
<a name="l00137"></a>00137     <span class="keywordtype">bool</span> wrapping() <span class="keyword">const</span>;
<a name="l00138"></a>00138 
<a name="l00139"></a>00139     <span class="keyword">virtual</span> <span class="keywordtype">void</span> setScale( <span class="keywordtype">int</span> maxMajIntv, <span class="keywordtype">int</span> maxMinIntv, <span class="keywordtype">double</span> step = 0.0 );
<a name="l00140"></a>00140 
<a name="l00141"></a>00141     <span class="keywordtype">void</span> setScaleArc( <span class="keywordtype">double</span> min, <span class="keywordtype">double</span> max );
<a name="l00142"></a>00142     <span class="keywordtype">void</span> setScaleComponents( <a class="code" href="class_qwt_abstract_scale_draw.html#a0dd3ccdfa074fb6b1781b84ed2a4729a" title="Scale components.">QwtAbstractScaleDraw::ScaleComponents</a> );
<a name="l00143"></a>00143     <span class="keywordtype">void</span> setScaleTicks( <span class="keywordtype">int</span> minLen, <span class="keywordtype">int</span> medLen, <span class="keywordtype">int</span> majLen, <span class="keywordtype">int</span> <a class="code" href="class_qwt_dial_scale_draw.html#ada6f34e92c47bbe2916c50e67494a542">penWidth</a> = 1 );
<a name="l00144"></a>00144 
<a name="l00145"></a>00145     <span class="keywordtype">double</span> minScaleArc() <span class="keyword">const</span>;
<a name="l00146"></a>00146     <span class="keywordtype">double</span> maxScaleArc() <span class="keyword">const</span>;
<a name="l00147"></a>00147 
<a name="l00148"></a>00148     <span class="keyword">virtual</span> <span class="keywordtype">void</span> setOrigin( <span class="keywordtype">double</span> );
<a name="l00149"></a>00149     <span class="keywordtype">double</span> origin() <span class="keyword">const</span>;
<a name="l00150"></a>00150 
<a name="l00151"></a>00151     <span class="keywordtype">void</span> setDirection( Direction );
<a name="l00152"></a>00152     Direction direction() <span class="keyword">const</span>;
<a name="l00153"></a>00153 
<a name="l00154"></a>00154     <span class="keyword">virtual</span> <span class="keywordtype">void</span> setNeedle( <a class="code" href="class_qwt_dial_needle.html" title="Base class for needles that can be used in a QwtDial.">QwtDialNeedle</a> * );
<a name="l00155"></a>00155     <span class="keyword">const</span> <a class="code" href="class_qwt_dial_needle.html" title="Base class for needles that can be used in a QwtDial.">QwtDialNeedle</a> *needle() <span class="keyword">const</span>;
<a name="l00156"></a>00156     <a class="code" href="class_qwt_dial_needle.html" title="Base class for needles that can be used in a QwtDial.">QwtDialNeedle</a> *needle();
<a name="l00157"></a>00157 
<a name="l00158"></a>00158     QRectF boundingRect() <span class="keyword">const</span>;
<a name="l00159"></a>00159     QRectF innerRect() <span class="keyword">const</span>;
<a name="l00160"></a>00160     <span class="keyword">virtual</span> QRectF scaleInnerRect() <span class="keyword">const</span>;
<a name="l00161"></a>00161 
<a name="l00162"></a>00162     <span class="keyword">virtual</span> QSize sizeHint() <span class="keyword">const</span>;
<a name="l00163"></a>00163     <span class="keyword">virtual</span> QSize minimumSizeHint() <span class="keyword">const</span>;
<a name="l00164"></a>00164 
<a name="l00165"></a>00165     <span class="keyword">virtual</span> <span class="keywordtype">void</span> setScaleDraw( <a class="code" href="class_qwt_dial_scale_draw.html" title="A special scale draw made for QwtDial.">QwtDialScaleDraw</a> * );
<a name="l00166"></a>00166 
<a name="l00167"></a>00167     <a class="code" href="class_qwt_dial_scale_draw.html" title="A special scale draw made for QwtDial.">QwtDialScaleDraw</a> *scaleDraw();
<a name="l00168"></a>00168     <span class="keyword">const</span> <a class="code" href="class_qwt_dial_scale_draw.html" title="A special scale draw made for QwtDial.">QwtDialScaleDraw</a> *scaleDraw() <span class="keyword">const</span>;
<a name="l00169"></a>00169 
<a name="l00170"></a>00170 <span class="keyword">protected</span>:
<a name="l00171"></a>00171     <span class="keyword">virtual</span> <span class="keywordtype">void</span> paintEvent( QPaintEvent * );
<a name="l00172"></a>00172     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#a4d55f8ffab93d8610bc026e00e3bdc81">keyPressEvent</a>( QKeyEvent * );
<a name="l00173"></a>00173 
<a name="l00174"></a>00174     <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawFrame( QPainter *p );
<a name="l00175"></a>00175     <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawContents( QPainter * ) <span class="keyword">const</span>;
<a name="l00176"></a>00176     <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawFocusIndicator( QPainter * ) <span class="keyword">const</span>;
<a name="l00177"></a>00177 
<a name="l00178"></a>00178     <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawScale( 
<a name="l00179"></a>00179         QPainter *, <span class="keyword">const</span> QPointF &amp;<a class="code" href="class_qwt_round_scale_draw.html#ae3d163159f0771bc05958faf798a1500" title="Get the center of the scale.">center</a>,
<a name="l00180"></a>00180         <span class="keywordtype">double</span> <a class="code" href="class_qwt_round_scale_draw.html#a2eb03d12749a44f7ca8a8ff92514dd56">radius</a>, <span class="keywordtype">double</span> origin, 
<a name="l00181"></a>00181         <span class="keywordtype">double</span> arcMin, <span class="keywordtype">double</span> arcMax ) <span class="keyword">const</span>;
<a name="l00182"></a>00182 
<a name="l00192"></a>00192     <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawScaleContents( QPainter *painter, 
<a name="l00193"></a>00193         <span class="keyword">const</span> QPointF &amp;<a class="code" href="class_qwt_round_scale_draw.html#ae3d163159f0771bc05958faf798a1500" title="Get the center of the scale.">center</a>, <span class="keywordtype">double</span> <a class="code" href="class_qwt_round_scale_draw.html#a2eb03d12749a44f7ca8a8ff92514dd56">radius</a> ) <span class="keyword">const</span>;
<a name="l00194"></a>00194 
<a name="l00195"></a>00195     <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawNeedle( QPainter *, <span class="keyword">const</span> QPointF &amp;,
<a name="l00196"></a>00196         <span class="keywordtype">double</span> <a class="code" href="class_qwt_round_scale_draw.html#a2eb03d12749a44f7ca8a8ff92514dd56">radius</a>, <span class="keywordtype">double</span> direction, QPalette::ColorGroup ) <span class="keyword">const</span>;
<a name="l00197"></a>00197 
<a name="l00198"></a>00198     <span class="keyword">virtual</span> <a class="code" href="class_qwt_text.html" title="A class representing a text.">QwtText</a> scaleLabel( <span class="keywordtype">double</span> ) <span class="keyword">const</span>;
<a name="l00199"></a>00199     <span class="keywordtype">void</span> updateScale();
<a name="l00200"></a>00200 
<a name="l00201"></a>00201     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_double_range.html#a3583134a1ac32706aa4742088bb9d4dc" title="Notify a change of the range.">rangeChange</a>();
<a name="l00202"></a>00202     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#a2f04dc51e4402b51fef3250bcc99dc7f">valueChange</a>();
<a name="l00203"></a>00203 
<a name="l00204"></a>00204     <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_abstract_slider.html#a6e26a993536813c2d9846a28f3c27aa7" title="Determine the value corresponding to a specified poind.">getValue</a>( <span class="keyword">const</span> QPoint &amp; );
<a name="l00205"></a>00205     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#a4124aa3b1e462d57ea2693214e66da0b" title="Determine what to do when the user presses a mouse button.">getScrollMode</a>( <span class="keyword">const</span> QPoint &amp;,
<a name="l00206"></a>00206         <a class="code" href="class_qwt_abstract_slider.html#ae4c0c4844ac6a35356f3c529a8eae154">QwtAbstractSlider::ScrollMode</a> &amp;, <span class="keywordtype">int</span> &amp;direction ) <span class="keyword">const</span>;
<a name="l00207"></a>00207 
<a name="l00208"></a>00208 <span class="keyword">private</span>:
<a name="l00209"></a>00209     <span class="keywordtype">void</span> initDial();
<a name="l00210"></a>00210 
<a name="l00211"></a>00211     <span class="keyword">class </span>PrivateData;
<a name="l00212"></a>00212     PrivateData *d_data;
<a name="l00213"></a>00213 };
<a name="l00214"></a>00214 
<a name="l00215"></a>00215 <span class="preprocessor">#endif</span>
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