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<td >Qt 5.9</td><td ><a href="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-module.html">C++ Classes</a></td><td >QGraphicsSceneWheelEvent</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QGraphicsSceneWheelEvent Class</h1>
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<p>The <a href="qgraphicsscenewheelevent.html">QGraphicsSceneWheelEvent</a> class provides wheel events in the graphics view framework. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QGraphicsSceneWheelEvent&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += widgets</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign">  Qt 4.2</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qgraphicssceneevent.html">QGraphicsSceneEvent</a></td></tr></table></div><ul>
<li><a href="qgraphicsscenewheelevent-members.html">List of all members, including inherited members</a></li>
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<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsscenewheelevent.html#dtor.QGraphicsSceneWheelEvent">~QGraphicsSceneWheelEvent</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Qt::MouseButtons </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsscenewheelevent.html#buttons">buttons</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsscenewheelevent.html#delta">delta</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Qt::KeyboardModifiers </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsscenewheelevent.html#modifiers">modifiers</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Qt::Orientation </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsscenewheelevent.html#orientation">orientation</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsscenewheelevent.html#pos">pos</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsscenewheelevent.html#scenePos">scenePos</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPoint </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsscenewheelevent.html#screenPos">screenPos</a></b>() const</td></tr>
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<li class="fn">1 public function inherited from <a href="qgraphicssceneevent.html#public-functions">QGraphicsSceneEvent</a></li>
<li class="fn">6 public functions inherited from <a href="../qtcore/qevent.html#public-functions">QEvent</a></li>
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<h3>Additional Inherited Members</h3>
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<li class="fn">1 property inherited from <a href="../qtcore/qevent.html#properties">QEvent</a></li>
<li class="fn">1 static public member inherited from <a href="../qtcore/qevent.html#static-public-members">QEvent</a></li>
<li class="fn">2 protected variables inherited from <a href="../qtcore/qevent.html#protected-variables">QEvent</a></li>
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<h2 id="details">Detailed Description</h2>
<p>The <a href="qgraphicsscenewheelevent.html">QGraphicsSceneWheelEvent</a> class provides wheel events in the graphics view framework.</p>
<p>The <a href="qgraphicsscenewheelevent.html">QGraphicsSceneWheelEvent</a> class provides wheel events in the graphics view framework.</p>
<p><a href="../qtgui/qwheelevent.html">QWheelEvent</a>s received by a <a href="qgraphicsview.html">QGraphicsView</a> are translated into QGraphicsSceneWheelEvents; it translates the <a href="../qtgui/qwheelevent.html#globalPos">QWheelEvent::globalPos</a>() into item, scene, and screen coordinates (<a href="qgraphicsscenewheelevent.html#pos">pos</a>(), <a href="qgraphicsscenewheelevent.html#scenePos">scenePos</a>(), and <a href="qgraphicsscenewheelevent.html#screenPos">screenPos</a>()).</p>
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<p><b>See also </b><a href="qgraphicsscenemouseevent.html">QGraphicsSceneMouseEvent</a>, <a href="qgraphicsscenecontextmenuevent.html">QGraphicsSceneContextMenuEvent</a>, <a href="qgraphicsscenehoverevent.html">QGraphicsSceneHoverEvent</a>, and <a href="../qtgui/qwheelevent.html">QWheelEvent</a>.</p>
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<h2>Member Function Documentation</h2>
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<h3 class="fn" id="dtor.QGraphicsSceneWheelEvent"><a name="dtor.QGraphicsSceneWheelEvent"></a>QGraphicsSceneWheelEvent::<span class="name">~QGraphicsSceneWheelEvent</span>()</h3>
<p>Destroys the <a href="qgraphicsscenewheelevent.html">QGraphicsSceneWheelEvent</a>.</p>
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<h3 class="fn" id="buttons"><a name="buttons"></a><span class="type"><a href="../qtcore/qt.html#MouseButton-enum">Qt::MouseButtons</a></span> QGraphicsSceneWheelEvent::<span class="name">buttons</span>() const</h3>
<p>Returns the mouse buttons that were pressed when the wheel event occurred.</p>
<p><b>See also </b><a href="qgraphicsscenewheelevent.html#modifiers">modifiers</a>().</p>
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<h3 class="fn" id="delta"><a name="delta"></a><span class="type">int</span> QGraphicsSceneWheelEvent::<span class="name">delta</span>() const</h3>
<p>Returns the distance that the wheel is rotated, in eighths (1/8s) of a degree. A positive value indicates that the wheel was rotated forwards away from the user; a negative value indicates that the wheel was rotated backwards toward the user.</p>
<p>Most mouse types work in steps of 15 degrees, in which case the delta value is a multiple of 120 (== 15 * 8).</p>
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<h3 class="fn" id="modifiers"><a name="modifiers"></a><span class="type"><a href="../qtcore/qt.html#KeyboardModifier-enum">Qt::KeyboardModifiers</a></span> QGraphicsSceneWheelEvent::<span class="name">modifiers</span>() const</h3>
<p>Returns the keyboard modifiers that were active when the wheel event occurred.</p>
<p><b>See also </b><a href="qgraphicsscenewheelevent.html#buttons">buttons</a>().</p>
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<h3 class="fn" id="orientation"><a name="orientation"></a><span class="type"><a href="../qtcore/qt.html#Orientation-enum">Qt::Orientation</a></span> QGraphicsSceneWheelEvent::<span class="name">orientation</span>() const</h3>
<p>Returns the wheel orientation.</p>
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<h3 class="fn" id="pos"><a name="pos"></a><span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> QGraphicsSceneWheelEvent::<span class="name">pos</span>() const</h3>
<p>Returns the position of the cursor in item coordinates when the wheel event occurred.</p>
<p><b>See also </b><a href="qgraphicsscenewheelevent.html#scenePos">scenePos</a>() and <a href="qgraphicsscenewheelevent.html#screenPos">screenPos</a>().</p>
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<h3 class="fn" id="scenePos"><a name="scenePos"></a><span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> QGraphicsSceneWheelEvent::<span class="name">scenePos</span>() const</h3>
<p>Returns the position of the cursor in scene coordinates when the wheel event occurred.</p>
<p><b>See also </b><a href="qgraphicsscenewheelevent.html#pos">pos</a>() and <a href="qgraphicsscenewheelevent.html#screenPos">screenPos</a>().</p>
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<h3 class="fn" id="screenPos"><a name="screenPos"></a><span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> QGraphicsSceneWheelEvent::<span class="name">screenPos</span>() const</h3>
<p>Returns the position of the cursor in screen coordinates when the wheel event occurred.</p>
<p><b>See also </b><a href="qgraphicsscenewheelevent.html#pos">pos</a>() and <a href="qgraphicsscenewheelevent.html#scenePos">scenePos</a>().</p>
<!-- @@@screenPos -->
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