diff options
Diffstat (limited to 'examples/graphicsview/flowlayout/flowlayout.h')
-rw-r--r-- | examples/graphicsview/flowlayout/flowlayout.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/examples/graphicsview/flowlayout/flowlayout.h b/examples/graphicsview/flowlayout/flowlayout.h new file mode 100644 index 0000000..ffd6ff8 --- /dev/null +++ b/examples/graphicsview/flowlayout/flowlayout.h @@ -0,0 +1,77 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui/qgraphicslayout.h> + +class FlowLayout : public QGraphicsLayout +{ +public: + FlowLayout(); + inline void addItem(QGraphicsLayoutItem *item); + void insertItem(int index, QGraphicsLayoutItem *item); + void setSpacing(Qt::Orientations o, qreal spacing); + qreal spacing(Qt::Orientation o) const; + + // inherited functions + void setGeometry(const QRectF &geom); + + int count() const; + QGraphicsLayoutItem *itemAt(int index) const; + void removeAt(int index); + +protected: + QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const; + +private: + qreal doLayout(const QRectF &geom, bool applyNewGeometry) const; + QSizeF minSize(const QSizeF &constraint) const; + QSizeF prefSize() const; + QSizeF maxSize() const; + + QList<QGraphicsLayoutItem*> m_items; + qreal m_spacing[2]; +}; + + +inline void FlowLayout::addItem(QGraphicsLayoutItem *item) +{ + insertItem(-1, item); +} |