util/examples/layouts/borderlayout/borderlayout.h
author eckhart.koppen@nokia.com
Wed, 31 Mar 2010 11:06:36 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef BORDERLAYOUT_H
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#define BORDERLAYOUT_H
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#include <QLayout>
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#include <QRect>
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#include <QWidgetItem>
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class BorderLayout : public QLayout
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{
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public:
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    enum Position { West, North, South, East, Center };
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    BorderLayout(QWidget *parent, int margin = 0, int spacing = -1);
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    BorderLayout(int spacing = -1);
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    ~BorderLayout();
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    void addItem(QLayoutItem *item);
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    void addWidget(QWidget *widget, Position position);
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    Qt::Orientations expandingDirections() const;
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    bool hasHeightForWidth() const;
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    int count() const;
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    QLayoutItem *itemAt(int index) const;
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    QSize minimumSize() const;
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    void setGeometry(const QRect &rect);
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    QSize sizeHint() const;
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    QLayoutItem *takeAt(int index);
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    void add(QLayoutItem *item, Position position);
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private:
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    struct ItemWrapper
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    {
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	ItemWrapper(QLayoutItem *i, Position p) {
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	    item = i;
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	    position = p;
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	}
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	QLayoutItem *item;
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	Position position;
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    };
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    enum SizeType { MinimumSize, SizeHint };
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    QSize calculateSize(SizeType sizeType) const;
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    QList<ItemWrapper *> list;
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};
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#endif