340 lines
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HTML
340 lines
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HTML
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 <span id="projectnumber">6.1.3</span>
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pro-methods">Protected Member Functions</a> |
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<a href="class_qwt_dial_needle-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">QwtDialNeedle Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>Base class for needles that can be used in a <a class="el" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control. ">QwtDial</a>.
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<a href="class_qwt_dial_needle.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="qwt__dial__needle_8h_source.html">qwt_dial_needle.h</a>></code></p>
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<div class="dynheader">
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Inheritance diagram for QwtDialNeedle:</div>
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<area shape="rect" id="node2" href="class_qwt_compass_magnet_needle.html" title="A magnet needle for compass widgets. " alt="" coords="5,80,197,107"/>
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<area shape="rect" id="node3" href="class_qwt_compass_wind_arrow.html" title="An indicator for the wind direction. " alt="" coords="222,80,391,107"/>
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<area shape="rect" id="node4" href="class_qwt_dial_simple_needle.html" title="A needle for dial widgets. " alt="" coords="416,80,571,107"/>
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</map>
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<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:aef3af79632ce784bc4d7332f6e269a1f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aef3af79632ce784bc4d7332f6e269a1f"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#aef3af79632ce784bc4d7332f6e269a1f">QwtDialNeedle</a> ()</td></tr>
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<tr class="memdesc:aef3af79632ce784bc4d7332f6e269a1f"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr>
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<tr class="separator:aef3af79632ce784bc4d7332f6e269a1f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac23b2af4af50042967c8cea87b474247"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac23b2af4af50042967c8cea87b474247"></a>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#ac23b2af4af50042967c8cea87b474247">~QwtDialNeedle</a> ()</td></tr>
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<tr class="memdesc:ac23b2af4af50042967c8cea87b474247"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<tr class="separator:ac23b2af4af50042967c8cea87b474247"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae850883a64501136bca64d6ea2d084b9"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">setPalette</a> (const QPalette &)</td></tr>
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<tr class="separator:ae850883a64501136bca64d6ea2d084b9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8b3c915032389261e07cc983b433166c"><td class="memItemLeft" align="right" valign="top">const QPalette & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#a8b3c915032389261e07cc983b433166c">palette</a> () const </td></tr>
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<tr class="separator:a8b3c915032389261e07cc983b433166c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a425085086c4a8c7baff10b161616ee42"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#a425085086c4a8c7baff10b161616ee42">draw</a> (QPainter *painter, const QPointF &center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const </td></tr>
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<tr class="separator:a425085086c4a8c7baff10b161616ee42"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
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Protected Member Functions</h2></td></tr>
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<tr class="memitem:a3893ef0232ba0e000d3d33a0cb541dd1"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#a3893ef0232ba0e000d3d33a0cb541dd1">drawNeedle</a> (QPainter *painter, double length, QPalette::ColorGroup colorGroup) const =0</td></tr>
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<tr class="memdesc:a3893ef0232ba0e000d3d33a0cb541dd1"><td class="mdescLeft"> </td><td class="mdescRight">Draw the needle. <a href="#a3893ef0232ba0e000d3d33a0cb541dd1">More...</a><br /></td></tr>
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<tr class="separator:a3893ef0232ba0e000d3d33a0cb541dd1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aaca9572717a1db10b1b6609571024688"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaca9572717a1db10b1b6609571024688"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#aaca9572717a1db10b1b6609571024688">drawKnob</a> (QPainter *, double width, const QBrush &, bool sunken) const </td></tr>
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<tr class="memdesc:aaca9572717a1db10b1b6609571024688"><td class="mdescLeft"> </td><td class="mdescRight">Draw the knob. <br /></td></tr>
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<tr class="separator:aaca9572717a1db10b1b6609571024688"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Base class for needles that can be used in a <a class="el" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control. ">QwtDial</a>. </p>
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<p><a class="el" href="class_qwt_dial_needle.html" title="Base class for needles that can be used in a QwtDial. ">QwtDialNeedle</a> is a pointer that indicates a value by pointing to a specific direction.</p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control. ">QwtDial</a>, <a class="el" href="class_qwt_compass.html" title="A Compass Widget. ">QwtCompass</a> </dd></dl>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="a425085086c4a8c7baff10b161616ee42"></a>
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<div class="memitem">
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<div class="memproto">
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<td class="memname">void QwtDialNeedle::draw </td>
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<td>(</td>
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<td class="paramtype">QPainter * </td>
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<td class="paramname"><em>painter</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const QPointF & </td>
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<td class="paramname"><em>center</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>length</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>direction</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">QPalette::ColorGroup </td>
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<td class="paramname"><em>colorGroup</em> = <code>QPalette::Active</code> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td> const</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Draw the needle</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">painter</td><td>Painter </td></tr>
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<tr><td class="paramname">center</td><td>Center of the dial, start position for the needle </td></tr>
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<tr><td class="paramname">length</td><td>Length of the needle </td></tr>
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<tr><td class="paramname">direction</td><td>Direction of the needle, in degrees counter clockwise </td></tr>
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<tr><td class="paramname">colorGroup</td><td>Color group, used for painting </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="a3893ef0232ba0e000d3d33a0cb541dd1"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<td class="memname">virtual void QwtDialNeedle::drawNeedle </td>
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<td>(</td>
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<td class="paramtype">QPainter * </td>
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<td class="paramname"><em>painter</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>length</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">QPalette::ColorGroup </td>
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<td class="paramname"><em>colorGroup</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td> const</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span><span class="mlabel">pure virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Draw the needle. </p>
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<p>The origin of the needle is at position (0.0, 0.0 ) pointing in direction 0.0 ( = east ).</p>
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<p>The painter is already initialized with translation and rotation.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">painter</td><td>Painter </td></tr>
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<tr><td class="paramname">length</td><td>Length of the needle </td></tr>
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<tr><td class="paramname">colorGroup</td><td>Color group, used for painting</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">setPalette()</a>, <a class="el" href="class_qwt_dial_needle.html#a8b3c915032389261e07cc983b433166c">palette()</a> </dd></dl>
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<p>Implemented in <a class="el" href="class_qwt_compass_wind_arrow.html#a4e3b612f2de83ff416e34f62c1f0fd6c">QwtCompassWindArrow</a>, <a class="el" href="class_qwt_compass_magnet_needle.html#aa052d929a09bfc6d487a973b2221d44d">QwtCompassMagnetNeedle</a>, and <a class="el" href="class_qwt_dial_simple_needle.html#a0eff8832707ff968d17eddf478d6a771">QwtDialSimpleNeedle</a>.</p>
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</div>
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</div>
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<a class="anchor" id="a8b3c915032389261e07cc983b433166c"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">const QPalette & QwtDialNeedle::palette </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="section return"><dt>Returns</dt><dd>the palette of the needle. </dd></dl>
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</div>
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</div>
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<a class="anchor" id="ae850883a64501136bca64d6ea2d084b9"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
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<td class="memname">void QwtDialNeedle::setPalette </td>
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<td>(</td>
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<td class="paramtype">const QPalette & </td>
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<td class="paramname"><em>palette</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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</table>
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</div><div class="memdoc">
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<p>Sets the palette for the needle.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">palette</td><td>New Palette </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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</div><!-- contents -->
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</div><!-- doc-content -->
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<!-- start footer part -->
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<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
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<ul>
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<li class="navelem"><a class="el" href="class_qwt_dial_needle.html">QwtDialNeedle</a></li>
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<li class="footer">Generated by
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