qgraphicslinearlayout.h

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00001 /****************************************************************************
00002 **
00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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00006 **
00007 ** This file is part of the QtGui module of the Qt Toolkit.
00008 **
00009 ** $QT_BEGIN_LICENSE:LGPL$
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00012 ** accordance with the Qt Commercial License Agreement provided with the
00013 ** Software or, alternatively, in accordance with the terms contained in
00014 ** a written agreement between you and Nokia.
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00016 ** GNU Lesser General Public License Usage
00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
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00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
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00028 ** GNU General Public License Usage
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00041 
00042 #ifndef QGRAPHICSLINEARLAYOUT_H
00043 #define QGRAPHICSLINEARLAYOUT_H
00044 
00045 #include <QtGui/qgraphicsitem.h>
00046 #include <QtGui/qgraphicslayout.h>
00047 
00048 QT_BEGIN_HEADER
00049 
00050 QT_BEGIN_NAMESPACE
00051 
00052 QT_MODULE(Gui)
00053 
00054 #if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
00055 
00056 class QGraphicsLinearLayoutPrivate;
00057 
00058 class Q_GUI_EXPORT QGraphicsLinearLayout : public QGraphicsLayout
00059 {
00060 public:
00061     QGraphicsLinearLayout(QGraphicsLayoutItem *parent = 0);
00062     QGraphicsLinearLayout(Qt::Orientation orientation, QGraphicsLayoutItem *parent = 0);
00063     virtual ~QGraphicsLinearLayout();
00064 
00065     void setOrientation(Qt::Orientation orientation);
00066     Qt::Orientation orientation() const;
00067 
00068     inline void addItem(QGraphicsLayoutItem *item) { insertItem(-1, item); }
00069     inline void addStretch(int stretch = 1) { insertStretch(-1, stretch); }
00070 
00071     void insertItem(int index, QGraphicsLayoutItem *item);
00072     void insertStretch(int index, int stretch = 1);
00073 
00074     void removeItem(QGraphicsLayoutItem *item);
00075     void removeAt(int index);
00076 
00077     void setSpacing(qreal spacing);
00078     qreal spacing() const;
00079     void setItemSpacing(int index, qreal spacing);
00080     qreal itemSpacing(int index) const;
00081 
00082     void setStretchFactor(QGraphicsLayoutItem *item, int stretch);
00083     int stretchFactor(QGraphicsLayoutItem *item) const;
00084 
00085     void setAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment);
00086     Qt::Alignment alignment(QGraphicsLayoutItem *item) const;
00087 
00088     void setGeometry(const QRectF &rect);
00089 
00090     int count() const;
00091     QGraphicsLayoutItem *itemAt(int index) const;
00092 
00093     void invalidate();
00094     QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
00095 
00096 #if 0 // ###
00097     Q5SizePolicy::ControlTypes controlTypes(LayoutSide side) const;
00098 #endif
00099 
00100     void dump(int indent = 0) const;
00101 
00102 protected:
00103 #if 0
00104     QSize contentsSizeHint(Qt::SizeHint which, const QSize &constraint = QSize()) const;
00105 #endif
00106 
00107 private:
00108     Q_DISABLE_COPY(QGraphicsLinearLayout)
00109     Q_DECLARE_PRIVATE(QGraphicsLinearLayout)
00110 };
00111 
00112 #endif
00113 
00114 QT_END_NAMESPACE
00115 
00116 QT_END_HEADER
00117 
00118 #endif
00119