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<h1 class="title">QSpacerItem Class Reference</h1>
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<!-- $$$QSpacerItem-brief -->
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<p>The QSpacerItem class provides blank space in a layout. <a href="#details">More...</a></p>
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<!-- @@@QSpacerItem -->
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<pre class="cpp"> <span class="preprocessor">#include <QSpacerItem></span></pre><p><b>Inherits: </b><a href="qlayoutitem.html">QLayoutItem</a>.</p>
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<ul>
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<li><a href="qspaceritem-members.html">List of all members, including inherited members</a></li>
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<a name="public-functions"></a>
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<h2>Public Functions</h2>
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<table class="alignedsummary">
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qspaceritem.html#QSpacerItem">QSpacerItem</a></b> ( int <i>w</i>, int <i>h</i>, QSizePolicy::Policy <i>hPolicy</i> = QSizePolicy::Minimum, QSizePolicy::Policy <i>vPolicy</i> = QSizePolicy::Minimum )</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qspaceritem.html#changeSize">changeSize</a></b> ( int <i>w</i>, int <i>h</i>, QSizePolicy::Policy <i>hPolicy</i> = QSizePolicy::Minimum, QSizePolicy::Policy <i>vPolicy</i> = QSizePolicy::Minimum )</td></tr>
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</table>
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<a name="reimplemented-public-functions"></a>
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<h2>Reimplemented Public Functions</h2>
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<table class="alignedsummary">
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<tr><td class="memItemLeft rightAlign topAlign"> virtual Qt::Orientations </td><td class="memItemRight bottomAlign"><b><a href="qspaceritem.html#expandingDirections">expandingDirections</a></b> () const</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual QRect </td><td class="memItemRight bottomAlign"><b><a href="qspaceritem.html#geometry">geometry</a></b> () const</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qspaceritem.html#isEmpty">isEmpty</a></b> () const</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual QSize </td><td class="memItemRight bottomAlign"><b><a href="qspaceritem.html#maximumSize">maximumSize</a></b> () const</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual QSize </td><td class="memItemRight bottomAlign"><b><a href="qspaceritem.html#minimumSize">minimumSize</a></b> () const</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qspaceritem.html#setGeometry">setGeometry</a></b> ( const QRect & <i>r</i> )</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual QSize </td><td class="memItemRight bottomAlign"><b><a href="qspaceritem.html#sizeHint">sizeHint</a></b> () const</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual QSpacerItem * </td><td class="memItemRight bottomAlign"><b><a href="qspaceritem.html#spacerItem">spacerItem</a></b> ()</td></tr>
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</table>
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<ul>
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<li class="fn">17 public functions inherited from <a href="qlayoutitem.html#public-functions">QLayoutItem</a></li>
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</ul>
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<a name="details"></a>
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<!-- $$$QSpacerItem-description -->
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<div class="descr">
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<h2>Detailed Description</h2>
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<p>The QSpacerItem class provides blank space in a layout.</p>
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<p>Normally, you don't need to use this class directly. Qt's built-in layout managers provide the following functions for manipulating empty space in layouts:</p>
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<table class="generic">
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<thead><tr class="qt-style"><th >Class</th><th >Functions</th></tr></thead>
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<tr valign="top" class="odd"><td ><a href="qhboxlayout.html">QHBoxLayout</a></td><td ><a href="qboxlayout.html#addSpacing">addSpacing()</a>, <a href="qboxlayout.html#addStretch">addStretch()</a>, <a href="qboxlayout.html#insertSpacing">insertSpacing()</a>, <a href="qboxlayout.html#insertStretch">insertStretch()</a></td></tr>
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<tr valign="top" class="even"><td ><a href="qgridlayout.html">QGridLayout</a></td><td ><a href="qgridlayout.html#setRowMinimumHeight">setRowMinimumHeight()</a>, <a href="qgridlayout.html#setRowStretch">setRowStretch()</a>, <a href="qgridlayout.html#setColumnMinimumWidth">setColumnMinimumWidth()</a>, <a href="qgridlayout.html#setColumnStretch">setColumnStretch()</a></td></tr>
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</table>
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</div>
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<p><b>See also </b><a href="qlayout.html">QLayout</a>, <a href="qwidgetitem.html">QWidgetItem</a>, and <a href="qlayoutitem.html#spacerItem">QLayoutItem::spacerItem</a>().</p>
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<!-- @@@QSpacerItem -->
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<div class="func">
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<h2>Member Function Documentation</h2>
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<!-- $$$QSpacerItem[overload1]$$$QSpacerItemintintQSizePolicy::PolicyQSizePolicy::Policy -->
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<h3 class="fn"><a name="QSpacerItem"></a>QSpacerItem::<span class="name">QSpacerItem</span> ( <span class="type">int</span> <i>w</i>, <span class="type">int</span> <i>h</i>, <span class="type"><a href="qsizepolicy.html#Policy-enum">QSizePolicy::Policy</a></span> <i>hPolicy</i> = QSizePolicy::Minimum, <span class="type"><a href="qsizepolicy.html#Policy-enum">QSizePolicy::Policy</a></span> <i>vPolicy</i> = QSizePolicy::Minimum )</h3>
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<p>Constructs a spacer item with preferred width <i>w</i>, preferred height <i>h</i>, horizontal size policy <i>hPolicy</i> and vertical size policy <i>vPolicy</i>.</p>
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<p>The default values provide a gap that is able to stretch if nothing else wants the space.</p>
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<!-- @@@QSpacerItem -->
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<!-- $$$changeSize[overload1]$$$changeSizeintintQSizePolicy::PolicyQSizePolicy::Policy -->
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<h3 class="fn"><a name="changeSize"></a><span class="type">void</span> QSpacerItem::<span class="name">changeSize</span> ( <span class="type">int</span> <i>w</i>, <span class="type">int</span> <i>h</i>, <span class="type"><a href="qsizepolicy.html#Policy-enum">QSizePolicy::Policy</a></span> <i>hPolicy</i> = QSizePolicy::Minimum, <span class="type"><a href="qsizepolicy.html#Policy-enum">QSizePolicy::Policy</a></span> <i>vPolicy</i> = QSizePolicy::Minimum )</h3>
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<p>Changes this spacer item to have preferred width <i>w</i>, preferred height <i>h</i>, horizontal size policy <i>hPolicy</i> and vertical size policy <i>vPolicy</i>.</p>
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<p>The default values provide a gap that is able to stretch if nothing else wants the space.</p>
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<p>Note that if changeSize() is called after the spacer item has been added to a layout, it is necessary to invalidate the layout in order for the spacer item's new size to take effect.</p>
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<p><b>See also </b><a href="qlayoutitem.html#invalidate">QSpacerItem::invalidate</a>().</p>
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<!-- @@@changeSize -->
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<!-- $$$expandingDirections[overload1]$$$expandingDirections -->
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<h3 class="fn"><a name="expandingDirections"></a><span class="type"><a href="qt.html#Orientation-enum">Qt::Orientations</a></span> QSpacerItem::<span class="name">expandingDirections</span> () const<tt> [virtual]</tt></h3>
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<p>Reimplemented from <a href="qlayoutitem.html#expandingDirections">QLayoutItem::expandingDirections</a>().</p>
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<!-- @@@expandingDirections -->
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<!-- $$$geometry[overload1]$$$geometry -->
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<h3 class="fn"><a name="geometry"></a><span class="type"><a href="qrect.html">QRect</a></span> QSpacerItem::<span class="name">geometry</span> () const<tt> [virtual]</tt></h3>
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<p>Reimplemented from <a href="qlayoutitem.html#geometry">QLayoutItem::geometry</a>().</p>
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<p><b>See also </b><a href="qspaceritem.html#setGeometry">setGeometry</a>().</p>
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<!-- @@@geometry -->
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<!-- $$$isEmpty[overload1]$$$isEmpty -->
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<h3 class="fn"><a name="isEmpty"></a><span class="type">bool</span> QSpacerItem::<span class="name">isEmpty</span> () const<tt> [virtual]</tt></h3>
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<p>Reimplemented from <a href="qlayoutitem.html#isEmpty">QLayoutItem::isEmpty</a>().</p>
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<p>Returns true.</p>
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<!-- @@@isEmpty -->
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<!-- $$$maximumSize[overload1]$$$maximumSize -->
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<h3 class="fn"><a name="maximumSize"></a><span class="type"><a href="qsize.html">QSize</a></span> QSpacerItem::<span class="name">maximumSize</span> () const<tt> [virtual]</tt></h3>
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<p>Reimplemented from <a href="qlayoutitem.html#maximumSize">QLayoutItem::maximumSize</a>().</p>
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<!-- @@@maximumSize -->
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<!-- $$$minimumSize[overload1]$$$minimumSize -->
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<h3 class="fn"><a name="minimumSize"></a><span class="type"><a href="qsize.html">QSize</a></span> QSpacerItem::<span class="name">minimumSize</span> () const<tt> [virtual]</tt></h3>
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<p>Reimplemented from <a href="qlayoutitem.html#minimumSize">QLayoutItem::minimumSize</a>().</p>
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<!-- @@@minimumSize -->
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<!-- $$$setGeometry[overload1]$$$setGeometryconstQRect& -->
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<h3 class="fn"><a name="setGeometry"></a><span class="type">void</span> QSpacerItem::<span class="name">setGeometry</span> ( const <span class="type"><a href="qrect.html">QRect</a></span> & <i>r</i> )<tt> [virtual]</tt></h3>
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<p>Reimplemented from <a href="qlayoutitem.html#setGeometry">QLayoutItem::setGeometry</a>().</p>
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<p><b>See also </b><a href="qspaceritem.html#geometry">geometry</a>().</p>
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<!-- @@@setGeometry -->
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<!-- $$$sizeHint[overload1]$$$sizeHint -->
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<h3 class="fn"><a name="sizeHint"></a><span class="type"><a href="qsize.html">QSize</a></span> QSpacerItem::<span class="name">sizeHint</span> () const<tt> [virtual]</tt></h3>
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<p>Reimplemented from <a href="qlayoutitem.html#sizeHint">QLayoutItem::sizeHint</a>().</p>
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<!-- @@@sizeHint -->
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<!-- $$$spacerItem[overload1]$$$spacerItem -->
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<h3 class="fn"><a name="spacerItem"></a><span class="type">QSpacerItem</span> * QSpacerItem::<span class="name">spacerItem</span> ()<tt> [virtual]</tt></h3>
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<p>Reimplemented from <a href="qlayoutitem.html#spacerItem">QLayoutItem::spacerItem</a>().</p>
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<p>Returns a pointer to this object.</p>
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<!-- @@@spacerItem -->
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<acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd.
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Documentation contributions included herein are the copyrights of
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