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<td >Qt 5.9</td><td ><a href="qtprintsupport-index.html">Qt Print Support</a></td><td ><a href="qtprintsupport-module.html">C++ Classes</a></td><td >QPrintPreviewDialog</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="#reimplemented-public-functions">Reimplemented Public Functions</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QPrintPreviewDialog Class</h1>
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<p>The <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a> class provides a dialog for previewing and configuring page layouts for printer output. <a href="#details">More...</a></p>
<!-- @@@QPrintPreviewDialog -->
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QPrintPreviewDialog&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += printsupport</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign">  Qt 4.4</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="../qtwidgets/qdialog.html">QDialog</a></td></tr></table></div><ul>
<li><a href="qprintpreviewdialog-members.html">List of all members, including inherited members</a></li>
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<a name="public-functions"></a>
<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="qprintpreviewdialog.html#QPrintPreviewDialog">QPrintPreviewDialog</a></b>(QPrinter *<i>printer</i>, QWidget *<i>parent</i> = Q_NULLPTR, Qt::WindowFlags <i>flags</i> = Qt::WindowFlags())</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewdialog.html#QPrintPreviewDialog-1">QPrintPreviewDialog</a></b>(QWidget *<i>parent</i> = Q_NULLPTR, Qt::WindowFlags <i>flags</i> = Qt::WindowFlags())</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewdialog.html#dtor.QPrintPreviewDialog">~QPrintPreviewDialog</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewdialog.html#open">open</a></b>(QObject *<i>receiver</i>, const char *<i>member</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPrinter *</td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewdialog.html#printer">printer</a></b>()</td></tr>
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<a name="reimplemented-public-functions"></a>
<h2 id="reimplemented-public-functions">Reimplemented Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewdialog.html#done">done</a></b>(int <i>result</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewdialog.html#setVisible">setVisible</a></b>(bool <i>visible</i>)</td></tr>
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<ul>
<li class="fn">8 public functions inherited from <a href="../qtwidgets/qdialog.html#public-functions">QDialog</a></li>
<li class="fn">216 public functions inherited from <a href="../qtwidgets/qwidget.html#public-functions">QWidget</a></li>
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<a name="signals"></a>
<h2 id="signals">Signals</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewdialog.html#paintRequested">paintRequested</a></b>(QPrinter *<i>printer</i>)</td></tr>
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<li class="fn">3 signals inherited from <a href="../qtwidgets/qdialog.html#signals">QDialog</a></li>
<li class="fn">3 signals inherited from <a href="../qtwidgets/qwidget.html#signals">QWidget</a></li>
</ul>
<h3>Additional Inherited Members</h3>
<ul>
<li class="fn">2 properties inherited from <a href="../qtwidgets/qdialog.html#properties">QDialog</a></li>
<li class="fn">59 properties inherited from <a href="../qtwidgets/qwidget.html#properties">QWidget</a></li>
<li class="fn">5 public slots inherited from <a href="../qtwidgets/qdialog.html#public-slots">QDialog</a></li>
<li class="fn">19 public slots inherited from <a href="../qtwidgets/qwidget.html#public-slots">QWidget</a></li>
<li class="fn">5 static public members inherited from <a href="../qtwidgets/qwidget.html#static-public-members">QWidget</a></li>
<li class="fn">6 protected functions inherited from <a href="../qtwidgets/qdialog.html#protected-functions">QDialog</a></li>
<li class="fn">35 protected functions inherited from <a href="../qtwidgets/qwidget.html#protected-functions">QWidget</a></li>
<li class="fn">1 protected slot inherited from <a href="../qtwidgets/qwidget.html#protected-slots">QWidget</a></li>
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<a name="details"></a>
<!-- $$$QPrintPreviewDialog-description -->
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<h2 id="details">Detailed Description</h2>
<p>The <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a> class provides a dialog for previewing and configuring page layouts for printer output.</p>
<p>Using <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a> in your existing application is straightforward:</p>
<ol class="1" type="1"><li>Create the <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a>.<p>You can construct a <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a> with an existing <a href="qprinter.html">QPrinter</a> object, or you can have <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a> create one for you, which will be the system default printer.</p>
</li>
<li>Connect the <a href="qprintpreviewdialog.html#paintRequested">paintRequested</a>() signal to a slot.<p>When the dialog needs to generate a set of preview pages, the <a href="qprintpreviewdialog.html#paintRequested">paintRequested</a>() signal will be emitted. You can use the exact same code for the actual printing as for having the preview generated, including calling <a href="qprinter.html#newPage">QPrinter::newPage</a>() to start a new page in the preview. Connect a slot to the <a href="qprintpreviewdialog.html#paintRequested">paintRequested</a>() signal, where you draw onto the <a href="qprinter.html">QPrinter</a> object that is passed into the slot.</p>
</li>
<li>Call <a href="../qtwidgets/qdialog.html#exec">exec</a>().<p>Call <a href="../qtwidgets/qdialog.html#exec">QPrintPreviewDialog::exec</a>() to show the preview dialog.</p>
</li>
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<p><b>See also </b><a href="qprinter.html">QPrinter</a>, <a href="qprintdialog.html">QPrintDialog</a>, <a href="qpagesetupdialog.html">QPageSetupDialog</a>, and <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a>.</p>
<!-- @@@QPrintPreviewDialog -->
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<h2>Member Function Documentation</h2>
<!-- $$$QPrintPreviewDialog[overload1]$$$QPrintPreviewDialogQPrinter*QWidget*Qt::WindowFlags -->
<h3 class="fn" id="QPrintPreviewDialog"><a name="QPrintPreviewDialog"></a>QPrintPreviewDialog::<span class="name">QPrintPreviewDialog</span>(<span class="type"><a href="qprinter.html">QPrinter</a></span> *<i>printer</i>, <span class="type"><a href="../qtwidgets/qwidget.html#QWidget">QWidget</a></span> *<i>parent</i> = Q_NULLPTR, <span class="type"><a href="../qtcore/qt.html#WindowType-enum">Qt::WindowFlags</a></span> <i>flags</i> = Qt::WindowFlags())</h3>
<p>Constructs a <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a> based on <i>printer</i> and with <i>parent</i> as the parent widget. The widget flags <i>flags</i> are passed on to the <a href="../qtwidgets/qwidget.html">QWidget</a> constructor.</p>
<p><b>See also </b><a href="../qtwidgets/qwidget.html#windowFlags-prop">QWidget::setWindowFlags</a>().</p>
<!-- @@@QPrintPreviewDialog -->
<!-- $$$QPrintPreviewDialog$$$QPrintPreviewDialogQWidget*Qt::WindowFlags -->
<h3 class="fn" id="QPrintPreviewDialog-1"><a name="QPrintPreviewDialog-1"></a>QPrintPreviewDialog::<span class="name">QPrintPreviewDialog</span>(<span class="type"><a href="../qtwidgets/qwidget.html#QWidget">QWidget</a></span> *<i>parent</i> = Q_NULLPTR, <span class="type"><a href="../qtcore/qt.html#WindowType-enum">Qt::WindowFlags</a></span> <i>flags</i> = Qt::WindowFlags())</h3>
<p>This is an overloaded function.</p>
<p>This will create an internal <a href="qprinter.html">QPrinter</a> object, which will use the system default printer.</p>
<!-- @@@QPrintPreviewDialog -->
<!-- $$$~QPrintPreviewDialog[overload1]$$$~QPrintPreviewDialog -->
<h3 class="fn" id="dtor.QPrintPreviewDialog"><a name="dtor.QPrintPreviewDialog"></a>QPrintPreviewDialog::<span class="name">~QPrintPreviewDialog</span>()</h3>
<p>Destroys the <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a>.</p>
<!-- @@@~QPrintPreviewDialog -->
<!-- $$$done[overload1]$$$doneint -->
<h3 class="fn" id="done"><a name="done"></a><code>[virtual] </code><span class="type">void</span> QPrintPreviewDialog::<span class="name">done</span>(<span class="type">int</span> <i>result</i>)</h3>
<p>Reimplemented from <a href="../qtwidgets/qdialog.html#done">QDialog::done</a>().</p>
<!-- @@@done -->
<!-- $$$open[overload1]$$$openQObject*constchar* -->
<h3 class="fn" id="open"><a name="open"></a><span class="type">void</span> QPrintPreviewDialog::<span class="name">open</span>(<span class="type"><a href="../qtcore/qobject.html">QObject</a></span> *<i>receiver</i>, const <span class="type">char</span> *<i>member</i>)</h3>
<p>This is an overloaded function.</p>
<p>Opens the dialog and connects its finished(int) signal to the slot specified by <i>receiver</i> and <i>member</i>.</p>
<p>The signal will be disconnected from the slot when the dialog is closed.</p>
<p>This function was introduced in  Qt 4.5.</p>
<!-- @@@open -->
<!-- $$$paintRequested[overload1]$$$paintRequestedQPrinter* -->
<h3 class="fn" id="paintRequested"><a name="paintRequested"></a><code>[signal] </code><span class="type">void</span> QPrintPreviewDialog::<span class="name">paintRequested</span>(<span class="type"><a href="qprinter.html">QPrinter</a></span> *<i>printer</i>)</h3>
<p>This signal is emitted when the <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a> needs to generate a set of preview pages.</p>
<p>The <i>printer</i> instance supplied is the paint device onto which you should paint the contents of each page, using the <a href="qprinter.html">QPrinter</a> instance in the same way as you would when printing directly.</p>
<!-- @@@paintRequested -->
<!-- $$$printer[overload1]$$$printer -->
<h3 class="fn" id="printer"><a name="printer"></a><span class="type"><a href="qprinter.html">QPrinter</a></span> *QPrintPreviewDialog::<span class="name">printer</span>()</h3>
<p>Returns a pointer to the <a href="qprinter.html">QPrinter</a> object this dialog is currently operating on.</p>
<!-- @@@printer -->
<!-- $$$setVisible[overload1]$$$setVisiblebool -->
<h3 class="fn" id="setVisible"><a name="setVisible"></a><code>[virtual] </code><span class="type">void</span> QPrintPreviewDialog::<span class="name">setVisible</span>(<span class="type">bool</span> <i>visible</i>)</h3>
<p>Reimplemented from <a href="../qtwidgets/qwidget.html#visible-prop">QWidget::setVisible</a>().</p>
<!-- @@@setVisible -->
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