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<title>Qt 4.8: gridlayout.h Example File (declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h)</title>
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<h1 class="title">gridlayout.h Example File</h1>
<span class="small-subtitle">declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h</span>
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<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
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** the documentation and/or other materials provided with the
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<span class="preprocessor">#ifndef GRIDLAYOUT_H</span>
<span class="preprocessor">#define GRIDLAYOUT_H</span>
<span class="preprocessor">#include <qdeclarative.h></span>
<span class="preprocessor">#include <QGraphicsGridLayout></span>
<span class="preprocessor">#include <QGraphicsLayoutItem></span>
<span class="keyword">class</span> GridLayoutAttached;
<span class="keyword">class</span> GraphicsGridLayoutObject : <span class="keyword">public</span> <span class="type"><a href="qobject.html">QObject</a></span><span class="operator">,</span> <span class="keyword">public</span> <span class="type"><a href="qgraphicsgridlayout.html">QGraphicsGridLayout</a></span>
{
Q_OBJECT
Q_INTERFACES(<span class="type"><a href="qgraphicslayout.html">QGraphicsLayout</a></span> <span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span>)
Q_PROPERTY(<span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span><span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span><span class="operator">></span> children READ children)
Q_PROPERTY(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> spacing READ spacing WRITE setSpacing)
Q_PROPERTY(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> contentsMargin READ contentsMargin WRITE setContentsMargin)
Q_PROPERTY(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> verticalSpacing READ verticalSpacing WRITE setVerticalSpacing)
Q_PROPERTY(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> horizontalSpacing READ horizontalSpacing WRITE setHorizontalSpacing)
Q_CLASSINFO(<span class="string">"DefaultProperty"</span><span class="operator">,</span> <span class="string">"children"</span>)
<span class="keyword">public</span>:
GraphicsGridLayoutObject(<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span> <span class="operator">=</span> <span class="number">0</span>);
<span class="operator">~</span>GraphicsGridLayoutObject();
<span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span><span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span><span class="operator">></span> children() { <span class="keyword">return</span> <span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span><span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span><span class="operator">></span>(<span class="keyword">this</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> children_append<span class="operator">,</span> children_count<span class="operator">,</span> children_at<span class="operator">,</span> children_clear); }
<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> spacing() <span class="keyword">const</span>;
<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> contentsMargin() <span class="keyword">const</span>;
<span class="type">void</span> setContentsMargin(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span>);
<span class="type">void</span> removeAt(<span class="type">int</span> index);
<span class="keyword">static</span> GridLayoutAttached <span class="operator">*</span>qmlAttachedProperties(<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>);
<span class="keyword">private</span> <span class="keyword">slots</span>:
<span class="type">void</span> updateAlignment(<span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span><span class="operator">*</span><span class="operator">,</span><span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Alignment);
<span class="keyword">private</span>:
<span class="keyword">friend</span> <span class="keyword">class</span> GraphicsLayoutAttached;
<span class="type">void</span> addWidget(<span class="type"><a href="qgraphicswidget.html">QGraphicsWidget</a></span> <span class="operator">*</span>);
<span class="type">void</span> clearChildren();
<span class="type">void</span> addLayoutItem(<span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span> <span class="operator">*</span>);
<span class="keyword">static</span> <span class="type">void</span> children_append(<span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span><span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span><span class="operator">></span> <span class="operator">*</span>prop<span class="operator">,</span> <span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span> <span class="operator">*</span>item) {
<span class="keyword">static_cast</span><span class="operator"><</span>GraphicsGridLayoutObject<span class="operator">*</span><span class="operator">></span>(prop<span class="operator">-</span><span class="operator">></span>object)<span class="operator">-</span><span class="operator">></span>addLayoutItem(item);
}
<span class="keyword">static</span> <span class="type">void</span> children_clear(<span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span><span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span><span class="operator">></span> <span class="operator">*</span>prop) {
<span class="keyword">static_cast</span><span class="operator"><</span>GraphicsGridLayoutObject<span class="operator">*</span><span class="operator">></span>(prop<span class="operator">-</span><span class="operator">></span>object)<span class="operator">-</span><span class="operator">></span>clearChildren();
}
<span class="keyword">static</span> <span class="type">int</span> children_count(<span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span><span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span><span class="operator">></span> <span class="operator">*</span>prop) {
<span class="keyword">return</span> <span class="keyword">static_cast</span><span class="operator"><</span>GraphicsGridLayoutObject<span class="operator">*</span><span class="operator">></span>(prop<span class="operator">-</span><span class="operator">></span>object)<span class="operator">-</span><span class="operator">></span>count();
}
<span class="keyword">static</span> <span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span> <span class="operator">*</span>children_at(<span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span><span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span><span class="operator">></span> <span class="operator">*</span>prop<span class="operator">,</span> <span class="type">int</span> index) {
<span class="keyword">return</span> <span class="keyword">static_cast</span><span class="operator"><</span>GraphicsGridLayoutObject<span class="operator">*</span><span class="operator">></span>(prop<span class="operator">-</span><span class="operator">></span>object)<span class="operator">-</span><span class="operator">></span>itemAt(index);
}
<span class="keyword">static</span> <span class="type"><a href="qhash.html">QHash</a></span><span class="operator"><</span><span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span><span class="operator">*</span><span class="operator">,</span> GridLayoutAttached<span class="operator">*</span><span class="operator">></span> attachedProperties;
};
<span class="keyword">class</span> GridLayoutAttached : <span class="keyword">public</span> <span class="type"><a href="qobject.html">QObject</a></span>
{
Q_OBJECT
Q_PROPERTY(<span class="type">int</span> row READ row WRITE setRow)
Q_PROPERTY(<span class="type">int</span> column READ column WRITE setColumn)
Q_PROPERTY(<span class="type">int</span> rowSpan READ rowSpan WRITE setRowSpan)
Q_PROPERTY(<span class="type">int</span> columnSpan READ columnSpan WRITE setColumnSpan)
Q_PROPERTY(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Alignment alignment READ alignment WRITE setAlignment)
Q_PROPERTY(<span class="type">int</span> rowStretchFactor READ rowStretchFactor WRITE setRowStretchFactor)
Q_PROPERTY(<span class="type">int</span> columnStretchFactor READ columnStretchFactor WRITE setColumnStretchFactor)
Q_PROPERTY(<span class="type">int</span> rowSpacing READ rowSpacing WRITE setRowSpacing)
Q_PROPERTY(<span class="type">int</span> columnSpacing READ columnSpacing WRITE setColumnSpacing)
Q_PROPERTY(<span class="type">int</span> rowPreferredHeight READ rowPreferredHeight WRITE setRowPreferredHeight)
Q_PROPERTY(<span class="type">int</span> rowMinimumHeight READ rowMinimumHeight WRITE setRowMinimumHeight)
Q_PROPERTY(<span class="type">int</span> rowMaximumHeight READ rowMaximumHeight WRITE setRowMaximumHeight)
Q_PROPERTY(<span class="type">int</span> rowFixedHeight READ rowFixedHeight WRITE setRowFixedHeight)
Q_PROPERTY(<span class="type">int</span> columnPreferredWidth READ columnPreferredWidth WRITE setColumnPreferredWidth)
Q_PROPERTY(<span class="type">int</span> columnMaximumWidth READ columnMaximumWidth WRITE setColumnMaximumWidth)
Q_PROPERTY(<span class="type">int</span> columnMinimumWidth READ columnMinimumWidth WRITE setColumnMinimumWidth)
Q_PROPERTY(<span class="type">int</span> columnFixedWidth READ columnFixedWidth WRITE setColumnFixedWidth)
<span class="keyword">public</span>:
GridLayoutAttached(<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>parent);
<span class="type">int</span> row() <span class="keyword">const</span> { <span class="keyword">return</span> m_row; }
<span class="type">void</span> setRow(<span class="type">int</span> r) { m_row <span class="operator">=</span> r; }
<span class="type">int</span> column() <span class="keyword">const</span> { <span class="keyword">return</span> m_column; }
<span class="type">void</span> setColumn(<span class="type">int</span> c) { m_column <span class="operator">=</span> c; }
<span class="type">int</span> rowSpan() <span class="keyword">const</span> { <span class="keyword">return</span> m_rowspan; }
<span class="type">void</span> setRowSpan(<span class="type">int</span> rs) { m_rowspan <span class="operator">=</span> rs; }
<span class="type">int</span> columnSpan() <span class="keyword">const</span> { <span class="keyword">return</span> m_colspan; }
<span class="type">void</span> setColumnSpan(<span class="type">int</span> cs) { m_colspan <span class="operator">=</span> cs; }
<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Alignment alignment() <span class="keyword">const</span> { <span class="keyword">return</span> m_alignment; }
<span class="type">void</span> setAlignment(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Alignment a);
<span class="type">int</span> rowStretchFactor() <span class="keyword">const</span> { <span class="keyword">return</span> m_rowStretch; }
<span class="type">void</span> setRowStretchFactor(<span class="type">int</span> f) { m_rowStretch <span class="operator">=</span> f; }
<span class="type">int</span> columnStretchFactor() <span class="keyword">const</span> { <span class="keyword">return</span> m_colStretch; }
<span class="type">void</span> setColumnStretchFactor(<span class="type">int</span> f) { m_colStretch <span class="operator">=</span> f; }
<span class="type">int</span> rowSpacing() <span class="keyword">const</span> { <span class="keyword">return</span> m_rowSpacing; }
<span class="type">void</span> setRowSpacing(<span class="type">int</span> s) { m_rowSpacing <span class="operator">=</span> s; }
<span class="type">int</span> columnSpacing() <span class="keyword">const</span> { <span class="keyword">return</span> m_colSpacing; }
<span class="type">void</span> setColumnSpacing(<span class="type">int</span> s) { m_colSpacing <span class="operator">=</span> s; }
<span class="type">int</span> rowPreferredHeight() <span class="keyword">const</span> { <span class="keyword">return</span> m_rowPrefHeight; }
<span class="type">void</span> setRowPreferredHeight(<span class="type">int</span> s) { m_rowPrefHeight <span class="operator">=</span> s; }
<span class="type">int</span> rowMaximumHeight() <span class="keyword">const</span> { <span class="keyword">return</span> m_rowMaxHeight; }
<span class="type">void</span> setRowMaximumHeight(<span class="type">int</span> s) { m_rowMaxHeight <span class="operator">=</span> s; }
<span class="type">int</span> rowMinimumHeight() <span class="keyword">const</span> { <span class="keyword">return</span> m_rowMinHeight; }
<span class="type">void</span> setRowMinimumHeight(<span class="type">int</span> s) { m_rowMinHeight <span class="operator">=</span> s; }
<span class="type">int</span> rowFixedHeight() <span class="keyword">const</span> { <span class="keyword">return</span> m_rowFixHeight; }
<span class="type">void</span> setRowFixedHeight(<span class="type">int</span> s) { m_rowFixHeight <span class="operator">=</span> s; }
<span class="type">int</span> columnPreferredWidth() <span class="keyword">const</span> { <span class="keyword">return</span> m_colPrefwidth; }
<span class="type">void</span> setColumnPreferredWidth(<span class="type">int</span> s) { m_colPrefwidth <span class="operator">=</span> s; }
<span class="type">int</span> columnMaximumWidth() <span class="keyword">const</span> { <span class="keyword">return</span> m_colMaxwidth; }
<span class="type">void</span> setColumnMaximumWidth(<span class="type">int</span> s) { m_colMaxwidth <span class="operator">=</span> s; }
<span class="type">int</span> columnMinimumWidth() <span class="keyword">const</span> { <span class="keyword">return</span> m_colMinwidth; }
<span class="type">void</span> setColumnMinimumWidth(<span class="type">int</span> s) { m_colMinwidth <span class="operator">=</span> s; }
<span class="type">int</span> columnFixedWidth() <span class="keyword">const</span> { <span class="keyword">return</span> m_colFixwidth; }
<span class="type">void</span> setColumnFixedWidth(<span class="type">int</span> s) { m_colFixwidth <span class="operator">=</span> s; }
<span class="keyword">signals</span>:
<span class="type">void</span> alignmentChanged(<span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span><span class="operator">*</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Alignment);
<span class="keyword">private</span>:
<span class="type">int</span> m_row;
<span class="type">int</span> m_column;
<span class="type">int</span> m_rowspan;
<span class="type">int</span> m_colspan;
<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Alignment m_alignment;
<span class="type">int</span> m_rowStretch;
<span class="type">int</span> m_colStretch;
<span class="type">int</span> m_rowSpacing;
<span class="type">int</span> m_colSpacing;
<span class="type">int</span> m_rowPrefHeight;
<span class="type">int</span> m_rowMaxHeight;
<span class="type">int</span> m_rowMinHeight;
<span class="type">int</span> m_rowFixHeight;
<span class="type">int</span> m_colPrefwidth;
<span class="type">int</span> m_colMaxwidth;
<span class="type">int</span> m_colMinwidth;
<span class="type">int</span> m_colFixwidth;
};
QML_DECLARE_INTERFACE(<span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span>)
QML_DECLARE_INTERFACE(<span class="type"><a href="qgraphicslayout.html">QGraphicsLayout</a></span>)
<a href="qdeclarativeengine.html#QML_DECLARE_TYPE">QML_DECLARE_TYPE</a>(GraphicsGridLayoutObject)
<a href="qdeclarativeengine.html#QML_DECLARE_TYPEINFO">QML_DECLARE_TYPEINFO</a>(GraphicsGridLayoutObject<span class="operator">,</span> QML_HAS_ATTACHED_PROPERTIES)
<span class="preprocessor">#endif</span></pre>
</div>
<!-- @@@declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h -->
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