<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Qwt User's Guide: QwtMagnifier Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a 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class="dynheader"> Inheritance diagram for QwtMagnifier:</div> <div class="dyncontent"> <div class="center"><img src="class_qwt_magnifier__inherit__graph.png" border="0" usemap="#_qwt_magnifier_inherit__map" alt="Inheritance graph"/></div> <map name="_qwt_magnifier_inherit__map" id="_qwt_magnifier_inherit__map"> <area shape="rect" id="node3" href="class_qwt_plot_magnifier.html" title="QwtPlotMagnifier provides zooming, by magnifying in steps." alt="" coords="5,83,125,112"/></map> <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> <p><a href="class_qwt_magnifier-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#ae7f4c0ad7631501cec17abe31695281f">eventFilter</a> (QObject *, QEvent *)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a3bf315d2740542648b2aed56ade85705">getMouseButton</a> (int &button, int &buttonState) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a4cb3ef96e22af3c9af6a42978a575401">getZoomInKey</a> (int &key, int &modifiers) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#aa4ebc8789e6d7591c74f2c7ea4689d18">getZoomOutKey</a> (int &key, int &modifiers) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a65552cac613ceac77e51b8deca522509">isEnabled</a> () const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a98706c848275b06d2830a8dbe053c9a3">keyFactor</a> () const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a49348534d3cd7fe37a4a7cb6c3bbff8d">mouseFactor</a> () const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">const QWidget * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a7ea89693ca6ebd6376838d4ab107bf5a">parentWidget</a> () const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">QWidget * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a56b7ad2366a7f908c38bc2a994acde16">parentWidget</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#aa11b927c72e0421570a137f0fa1cfb7b">QwtMagnifier</a> (QWidget *)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a03d892c58039fc864a452b7c636a1df7">setEnabled</a> (bool)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#ac079b44e124fdaba1d894ef519bc4e4f">setKeyFactor</a> (double)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a345e4f61d48274f73f6e39fdcaea6745">setMouseButton</a> (int button, int buttonState=Qt::NoButton)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#ada5dac479dc1e69c04760bb7dc197ac9">setMouseFactor</a> (double)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a36270c611c465f11f3ade46f3b3bb74a">setWheelButtonState</a> (int buttonState)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#ae3a33ab8776ed2122fecc821a32bb36a">setWheelFactor</a> (double)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a51691b6a49437467d140fc0687b68140">setZoomInKey</a> (int key, int modifiers)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#ae265bcef7b3a1c59fc432c20fa407805">setZoomOutKey</a> (int key, int modifiers)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a76521288b081b76d1edebfc8bc16e884">wheelButtonState</a> () const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a83722e9f081603a45e118947d7f810a4">wheelFactor</a> () const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#ac18a7858407951a335399ee6969a50da">~QwtMagnifier</a> ()</td></tr> <tr><td colspan="2"><h2><a name="pro-methods"></a> Protected Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a5c3d5bda10412a50bd403afe84e2ccee">rescale</a> (double factor)=0</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a382cec084a2bfc0610ca500121205f04">widgetKeyPressEvent</a> (QKeyEvent *)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#af84037c68c9b88263d1c27bb648cf9ff">widgetKeyReleaseEvent</a> (QKeyEvent *)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a4eb68b98b063cc14b7839f02f8671dfc">widgetMouseMoveEvent</a> (QMouseEvent *)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a5930b3ec00ae99883f36cf8bf568cbf7">widgetMousePressEvent</a> (QMouseEvent *)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#aa7cc31995444ca8dd8412b8a6dab7b93">widgetMouseReleaseEvent</a> (QMouseEvent *)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_magnifier.html#a236762870830cc0621411c173472392b">widgetWheelEvent</a> (QWheelEvent *)</td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <div class="textblock"><p><a class="el" href="class_qwt_magnifier.html" title="QwtMagnifier provides zooming, by magnifying in steps.">QwtMagnifier</a> provides zooming, by magnifying in steps. </p> <p>Using <a class="el" href="class_qwt_magnifier.html" title="QwtMagnifier provides zooming, by magnifying in steps.">QwtMagnifier</a> a plot can be zoomed in/out in steps using keys, the mouse wheel or moving a mouse button in vertical direction. </p> </div><hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="aa11b927c72e0421570a137f0fa1cfb7b"></a><!-- doxytag: member="QwtMagnifier::QwtMagnifier" ref="aa11b927c72e0421570a137f0fa1cfb7b" args="(QWidget *)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QwtMagnifier::QwtMagnifier </td> <td>(</td> <td class="paramtype">QWidget * </td> <td class="paramname"><em>parent</em></td><td>)</td> <td><code> [explicit]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Constructor </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">parent</td><td>Widget to be magnified </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ac18a7858407951a335399ee6969a50da"></a><!-- doxytag: member="QwtMagnifier::~QwtMagnifier" ref="ac18a7858407951a335399ee6969a50da" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QwtMagnifier::~QwtMagnifier </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Destructor. </p> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="ae7f4c0ad7631501cec17abe31695281f"></a><!-- doxytag: member="QwtMagnifier::eventFilter" ref="ae7f4c0ad7631501cec17abe31695281f" args="(QObject *, QEvent *)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool QwtMagnifier::eventFilter </td> <td>(</td> <td class="paramtype">QObject * </td> <td class="paramname"><em>object</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">QEvent * </td> <td class="paramname"><em>event</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td><code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Event filter. </p> <p>When <a class="el" href="class_qwt_magnifier.html#a65552cac613ceac77e51b8deca522509">isEnabled()</a> the mouse events of the observed widget are filtered.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">object</td><td>Object to be filtered </td></tr> <tr><td class="paramname">event</td><td>Event</td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a5930b3ec00ae99883f36cf8bf568cbf7">widgetMousePressEvent()</a>, <a class="el" href="class_qwt_magnifier.html#aa7cc31995444ca8dd8412b8a6dab7b93">widgetMouseReleaseEvent()</a>, <a class="el" href="class_qwt_magnifier.html#a4eb68b98b063cc14b7839f02f8671dfc">widgetMouseMoveEvent()</a>, <a class="el" href="class_qwt_magnifier.html#a236762870830cc0621411c173472392b">widgetWheelEvent()</a>, <a class="el" href="class_qwt_magnifier.html#a382cec084a2bfc0610ca500121205f04">widgetKeyPressEvent()</a> <a class="el" href="class_qwt_magnifier.html#af84037c68c9b88263d1c27bb648cf9ff">widgetKeyReleaseEvent()</a> </dd></dl> </div> </div> <a class="anchor" id="a3bf315d2740542648b2aed56ade85705"></a><!-- doxytag: member="QwtMagnifier::getMouseButton" ref="a3bf315d2740542648b2aed56ade85705" args="(int &button, int &buttonState) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::getMouseButton </td> <td>(</td> <td class="paramtype">int & </td> <td class="paramname"><em>button</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int & </td> <td class="paramname"><em>buttonState</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const</td> </tr> </table> </div> <div class="memdoc"> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a345e4f61d48274f73f6e39fdcaea6745">setMouseButton()</a> </dd></dl> </div> </div> <a class="anchor" id="a4cb3ef96e22af3c9af6a42978a575401"></a><!-- doxytag: member="QwtMagnifier::getZoomInKey" ref="a4cb3ef96e22af3c9af6a42978a575401" args="(int &key, int &modifiers) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::getZoomInKey </td> <td>(</td> <td class="paramtype">int & </td> <td class="paramname"><em>key</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int & </td> <td class="paramname"><em>modifiers</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const</td> </tr> </table> </div> <div class="memdoc"> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a51691b6a49437467d140fc0687b68140">setZoomInKey()</a> </dd></dl> </div> </div> <a class="anchor" id="aa4ebc8789e6d7591c74f2c7ea4689d18"></a><!-- doxytag: member="QwtMagnifier::getZoomOutKey" ref="aa4ebc8789e6d7591c74f2c7ea4689d18" args="(int &key, int &modifiers) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::getZoomOutKey </td> <td>(</td> <td class="paramtype">int & </td> <td class="paramname"><em>key</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int & </td> <td class="paramname"><em>modifiers</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const</td> </tr> </table> </div> <div class="memdoc"> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#ae265bcef7b3a1c59fc432c20fa407805">setZoomOutKey()</a> </dd></dl> </div> </div> <a class="anchor" id="a65552cac613ceac77e51b8deca522509"></a><!-- doxytag: member="QwtMagnifier::isEnabled" ref="a65552cac613ceac77e51b8deca522509" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool QwtMagnifier::isEnabled </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </div> <div class="memdoc"> <dl class="return"><dt><b>Returns:</b></dt><dd>true when enabled, false otherwise </dd></dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a03d892c58039fc864a452b7c636a1df7" title="En/disable the magnifier.">setEnabled()</a>, <a class="el" href="class_qwt_magnifier.html#ae7f4c0ad7631501cec17abe31695281f" title="Event filter.">eventFilter()</a> </dd></dl> </div> </div> <a class="anchor" id="a98706c848275b06d2830a8dbe053c9a3"></a><!-- doxytag: member="QwtMagnifier::keyFactor" ref="a98706c848275b06d2830a8dbe053c9a3" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">double QwtMagnifier::keyFactor </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </div> <div class="memdoc"> <dl class="return"><dt><b>Returns:</b></dt><dd>Key factor </dd></dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#ac079b44e124fdaba1d894ef519bc4e4f" title="Change the key factor.">setKeyFactor()</a> </dd></dl> </div> </div> <a class="anchor" id="a49348534d3cd7fe37a4a7cb6c3bbff8d"></a><!-- doxytag: member="QwtMagnifier::mouseFactor" ref="a49348534d3cd7fe37a4a7cb6c3bbff8d" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">double QwtMagnifier::mouseFactor </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </div> <div class="memdoc"> <dl class="return"><dt><b>Returns:</b></dt><dd>Mouse factor </dd></dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#ada5dac479dc1e69c04760bb7dc197ac9" title="Change the mouse factor.">setMouseFactor()</a> </dd></dl> </div> </div> <a class="anchor" id="a56b7ad2366a7f908c38bc2a994acde16"></a><!-- doxytag: member="QwtMagnifier::parentWidget" ref="a56b7ad2366a7f908c38bc2a994acde16" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QWidget * QwtMagnifier::parentWidget </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <dl class="return"><dt><b>Returns:</b></dt><dd>Parent widget, where the rescaling happens </dd></dl> </div> </div> <a class="anchor" id="a7ea89693ca6ebd6376838d4ab107bf5a"></a><!-- doxytag: member="QwtMagnifier::parentWidget" ref="a7ea89693ca6ebd6376838d4ab107bf5a" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">const QWidget * QwtMagnifier::parentWidget </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </div> <div class="memdoc"> <dl class="return"><dt><b>Returns:</b></dt><dd>Parent widget, where the rescaling happens </dd></dl> </div> </div> <a class="anchor" id="a5c3d5bda10412a50bd403afe84e2ccee"></a><!-- doxytag: member="QwtMagnifier::rescale" ref="a5c3d5bda10412a50bd403afe84e2ccee" args="(double factor)=0" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual void QwtMagnifier::rescale </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"><em>factor</em></td><td>)</td> <td><code> [protected, pure virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Rescale the parent widget </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">factor</td><td>Scale factor </td></tr> </table> </dd> </dl> <p>Implemented in <a class="el" href="class_qwt_plot_magnifier.html#a271ae5ad42c3dd12812246d2dee687ea">QwtPlotMagnifier</a>.</p> </div> </div> <a class="anchor" id="a03d892c58039fc864a452b7c636a1df7"></a><!-- doxytag: member="QwtMagnifier::setEnabled" ref="a03d892c58039fc864a452b7c636a1df7" args="(bool)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::setEnabled </td> <td>(</td> <td class="paramtype">bool </td> <td class="paramname"><em>on</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>En/disable the magnifier. </p> <p>When enabled is true an event filter is installed for the observed widget, otherwise the event filter is removed.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">on</td><td>true or false </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a65552cac613ceac77e51b8deca522509">isEnabled()</a>, <a class="el" href="class_qwt_magnifier.html#ae7f4c0ad7631501cec17abe31695281f" title="Event filter.">eventFilter()</a> </dd></dl> </div> </div> <a class="anchor" id="ac079b44e124fdaba1d894ef519bc4e4f"></a><!-- doxytag: member="QwtMagnifier::setKeyFactor" ref="ac079b44e124fdaba1d894ef519bc4e4f" args="(double)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::setKeyFactor </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"><em>factor</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Change the key factor. </p> <p>The key factor defines the ratio between the current range on the parent widget and the zoomed range for each key press of the zoom in/out keys. The default value is 0.9.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">factor</td><td>Key factor </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a98706c848275b06d2830a8dbe053c9a3">keyFactor()</a>, <a class="el" href="class_qwt_magnifier.html#a51691b6a49437467d140fc0687b68140">setZoomInKey()</a>, <a class="el" href="class_qwt_magnifier.html#ae265bcef7b3a1c59fc432c20fa407805">setZoomOutKey()</a>, <a class="el" href="class_qwt_magnifier.html#ae3a33ab8776ed2122fecc821a32bb36a" title="Change the wheel factor.">setWheelFactor</a>, <a class="el" href="class_qwt_magnifier.html#ada5dac479dc1e69c04760bb7dc197ac9" title="Change the mouse factor.">setMouseFactor()</a> </dd></dl> </div> </div> <a class="anchor" id="a345e4f61d48274f73f6e39fdcaea6745"></a><!-- doxytag: member="QwtMagnifier::setMouseButton" ref="a345e4f61d48274f73f6e39fdcaea6745" args="(int button, int buttonState=Qt::NoButton)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::setMouseButton </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>button</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>buttonState</em> = <code>Qt::NoButton</code> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Assign the mouse button, that is used for zooming in/out. The default value is Qt::RightButton.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">button</td><td>Button </td></tr> <tr><td class="paramname">buttonState</td><td>Button state </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a3bf315d2740542648b2aed56ade85705">getMouseButton()</a> </dd></dl> </div> </div> <a class="anchor" id="ada5dac479dc1e69c04760bb7dc197ac9"></a><!-- doxytag: member="QwtMagnifier::setMouseFactor" ref="ada5dac479dc1e69c04760bb7dc197ac9" args="(double)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::setMouseFactor </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"><em>factor</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Change the mouse factor. </p> <p>The mouse factor defines the ratio between the current range on the parent widget and the zoomed range for each vertical mouse movement. The default value is 0.95.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">factor</td><td>Wheel factor </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a49348534d3cd7fe37a4a7cb6c3bbff8d">mouseFactor()</a>, <a class="el" href="class_qwt_magnifier.html#a345e4f61d48274f73f6e39fdcaea6745">setMouseButton()</a>, <a class="el" href="class_qwt_magnifier.html#ae3a33ab8776ed2122fecc821a32bb36a" title="Change the wheel factor.">setWheelFactor()</a>, <a class="el" href="class_qwt_magnifier.html#ac079b44e124fdaba1d894ef519bc4e4f" title="Change the key factor.">setKeyFactor()</a> </dd></dl> </div> </div> <a class="anchor" id="a36270c611c465f11f3ade46f3b3bb74a"></a><!-- doxytag: member="QwtMagnifier::setWheelButtonState" ref="a36270c611c465f11f3ade46f3b3bb74a" args="(int buttonState)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::setWheelButtonState </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>buttonState</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Assign a mandatory button state for zooming in/out using the wheel. The default button state is Qt::NoButton.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">buttonState</td><td>Button state </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a76521288b081b76d1edebfc8bc16e884">wheelButtonState()</a> </dd></dl> </div> </div> <a class="anchor" id="ae3a33ab8776ed2122fecc821a32bb36a"></a><!-- doxytag: member="QwtMagnifier::setWheelFactor" ref="ae3a33ab8776ed2122fecc821a32bb36a" args="(double)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::setWheelFactor </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"><em>factor</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Change the wheel factor. </p> <p>The wheel factor defines the ratio between the current range on the parent widget and the zoomed range for each step of the wheel. The default value is 0.9.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">factor</td><td>Wheel factor </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a83722e9f081603a45e118947d7f810a4">wheelFactor()</a>, <a class="el" href="class_qwt_magnifier.html#a36270c611c465f11f3ade46f3b3bb74a">setWheelButtonState()</a>, <a class="el" href="class_qwt_magnifier.html#ada5dac479dc1e69c04760bb7dc197ac9" title="Change the mouse factor.">setMouseFactor()</a>, <a class="el" href="class_qwt_magnifier.html#ac079b44e124fdaba1d894ef519bc4e4f" title="Change the key factor.">setKeyFactor()</a> </dd></dl> </div> </div> <a class="anchor" id="a51691b6a49437467d140fc0687b68140"></a><!-- doxytag: member="QwtMagnifier::setZoomInKey" ref="a51691b6a49437467d140fc0687b68140" args="(int key, int modifiers)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::setZoomInKey </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>key</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>modifiers</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Assign the key, that is used for zooming in. The default combination is Qt::Key_Plus + Qt::NoModifier.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">key</td><td></td></tr> <tr><td class="paramname">modifiers</td><td></td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a4cb3ef96e22af3c9af6a42978a575401">getZoomInKey()</a>, <a class="el" href="class_qwt_magnifier.html#ae265bcef7b3a1c59fc432c20fa407805">setZoomOutKey()</a> </dd></dl> </div> </div> <a class="anchor" id="ae265bcef7b3a1c59fc432c20fa407805"></a><!-- doxytag: member="QwtMagnifier::setZoomOutKey" ref="ae265bcef7b3a1c59fc432c20fa407805" args="(int key, int modifiers)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::setZoomOutKey </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>key</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>modifiers</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Assign the key, that is used for zooming out. The default combination is Qt::Key_Minus + Qt::NoModifier.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">key</td><td></td></tr> <tr><td class="paramname">modifiers</td><td></td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#aa4ebc8789e6d7591c74f2c7ea4689d18">getZoomOutKey()</a>, <a class="el" href="class_qwt_magnifier.html#ae265bcef7b3a1c59fc432c20fa407805">setZoomOutKey()</a> </dd></dl> </div> </div> <a class="anchor" id="a76521288b081b76d1edebfc8bc16e884"></a><!-- doxytag: member="QwtMagnifier::wheelButtonState" ref="a76521288b081b76d1edebfc8bc16e884" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int QwtMagnifier::wheelButtonState </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </div> <div class="memdoc"> <dl class="return"><dt><b>Returns:</b></dt><dd>Wheel button state </dd></dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#a36270c611c465f11f3ade46f3b3bb74a">setWheelButtonState()</a> </dd></dl> </div> </div> <a class="anchor" id="a83722e9f081603a45e118947d7f810a4"></a><!-- doxytag: member="QwtMagnifier::wheelFactor" ref="a83722e9f081603a45e118947d7f810a4" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">double QwtMagnifier::wheelFactor </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </div> <div class="memdoc"> <dl class="return"><dt><b>Returns:</b></dt><dd>Wheel factor </dd></dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#ae3a33ab8776ed2122fecc821a32bb36a" title="Change the wheel factor.">setWheelFactor()</a> </dd></dl> </div> </div> <a class="anchor" id="a382cec084a2bfc0610ca500121205f04"></a><!-- doxytag: member="QwtMagnifier::widgetKeyPressEvent" ref="a382cec084a2bfc0610ca500121205f04" args="(QKeyEvent *)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::widgetKeyPressEvent </td> <td>(</td> <td class="paramtype">QKeyEvent * </td> <td class="paramname"><em>keyEvent</em></td><td>)</td> <td><code> [protected, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Handle a key press event for the observed widget.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">keyEvent</td><td>Key event </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#ae7f4c0ad7631501cec17abe31695281f" title="Event filter.">eventFilter()</a>, <a class="el" href="class_qwt_magnifier.html#af84037c68c9b88263d1c27bb648cf9ff">widgetKeyReleaseEvent()</a> </dd></dl> </div> </div> <a class="anchor" id="af84037c68c9b88263d1c27bb648cf9ff"></a><!-- doxytag: member="QwtMagnifier::widgetKeyReleaseEvent" ref="af84037c68c9b88263d1c27bb648cf9ff" args="(QKeyEvent *)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::widgetKeyReleaseEvent </td> <td>(</td> <td class="paramtype">QKeyEvent * </td> <td class="paramname"><em>keyEvent</em></td><td>)</td> <td><code> [protected, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Handle a key release event for the observed widget.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">keyEvent</td><td>Key event </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#ae7f4c0ad7631501cec17abe31695281f" title="Event filter.">eventFilter()</a>, <a class="el" href="class_qwt_magnifier.html#af84037c68c9b88263d1c27bb648cf9ff">widgetKeyReleaseEvent()</a> </dd></dl> </div> </div> <a class="anchor" id="a4eb68b98b063cc14b7839f02f8671dfc"></a><!-- doxytag: member="QwtMagnifier::widgetMouseMoveEvent" ref="a4eb68b98b063cc14b7839f02f8671dfc" args="(QMouseEvent *)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::widgetMouseMoveEvent </td> <td>(</td> <td class="paramtype">QMouseEvent * </td> <td class="paramname"><em>mouseEvent</em></td><td>)</td> <td><code> [protected, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Handle a mouse move event for the observed widget.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">mouseEvent</td><td>Mouse event </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#ae7f4c0ad7631501cec17abe31695281f" title="Event filter.">eventFilter()</a>, <a class="el" href="class_qwt_magnifier.html#a5930b3ec00ae99883f36cf8bf568cbf7">widgetMousePressEvent()</a>, <a class="el" href="class_qwt_magnifier.html#aa7cc31995444ca8dd8412b8a6dab7b93">widgetMouseReleaseEvent()</a>, </dd></dl> </div> </div> <a class="anchor" id="a5930b3ec00ae99883f36cf8bf568cbf7"></a><!-- doxytag: member="QwtMagnifier::widgetMousePressEvent" ref="a5930b3ec00ae99883f36cf8bf568cbf7" args="(QMouseEvent *)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::widgetMousePressEvent </td> <td>(</td> <td class="paramtype">QMouseEvent * </td> <td class="paramname"><em>mouseEvent</em></td><td>)</td> <td><code> [protected, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Handle a mouse press event for the observed widget.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">mouseEvent</td><td>Mouse event </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#ae7f4c0ad7631501cec17abe31695281f" title="Event filter.">eventFilter()</a>, <a class="el" href="class_qwt_magnifier.html#aa7cc31995444ca8dd8412b8a6dab7b93">widgetMouseReleaseEvent()</a>, <a class="el" href="class_qwt_magnifier.html#a4eb68b98b063cc14b7839f02f8671dfc">widgetMouseMoveEvent()</a> </dd></dl> </div> </div> <a class="anchor" id="aa7cc31995444ca8dd8412b8a6dab7b93"></a><!-- doxytag: member="QwtMagnifier::widgetMouseReleaseEvent" ref="aa7cc31995444ca8dd8412b8a6dab7b93" args="(QMouseEvent *)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::widgetMouseReleaseEvent </td> <td>(</td> <td class="paramtype">QMouseEvent * </td> <td class="paramname"><em>mouseEvent</em></td><td>)</td> <td><code> [protected, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Handle a mouse release event for the observed widget.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">mouseEvent</td><td>Mouse event</td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#ae7f4c0ad7631501cec17abe31695281f" title="Event filter.">eventFilter()</a>, <a class="el" href="class_qwt_magnifier.html#a5930b3ec00ae99883f36cf8bf568cbf7">widgetMousePressEvent()</a>, <a class="el" href="class_qwt_magnifier.html#a4eb68b98b063cc14b7839f02f8671dfc">widgetMouseMoveEvent()</a>, </dd></dl> </div> </div> <a class="anchor" id="a236762870830cc0621411c173472392b"></a><!-- doxytag: member="QwtMagnifier::widgetWheelEvent" ref="a236762870830cc0621411c173472392b" args="(QWheelEvent *)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMagnifier::widgetWheelEvent </td> <td>(</td> <td class="paramtype">QWheelEvent * </td> <td class="paramname"><em>wheelEvent</em></td><td>)</td> <td><code> [protected, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Handle a wheel event for the observed widget.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">wheelEvent</td><td>Wheel event </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_magnifier.html#ae7f4c0ad7631501cec17abe31695281f" title="Event filter.">eventFilter()</a> </dd></dl> </div> </div> </div> <hr class="footer"/><address class="footer"><small>Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>