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Diffstat (limited to 'tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractitemcontainer.h')
-rw-r--r-- | tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractitemcontainer.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractitemcontainer.h b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractitemcontainer.h new file mode 100644 index 0000000000..7373f66deb --- /dev/null +++ b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractitemcontainer.h @@ -0,0 +1,96 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef ABSTRACTITEMCONTAINER_H +#define ABSTRACTITEMCONTAINER_H + +#include <QModelIndex> + +#include "gvbwidget.h" + +class QGraphicsWidget; +class AbstractItemView; +class AbstractViewItem; + +class AbstractItemContainer : public GvbWidget +{ + Q_OBJECT +public: + AbstractItemContainer(int bufferSize, QGraphicsWidget *parent=0); + virtual ~AbstractItemContainer(); + + virtual void addItem(const QModelIndex &index); + virtual void removeItem(const QModelIndex &index); + + virtual void setItemView(AbstractItemView *view); + virtual void setItemPrototype(AbstractViewItem *ptype); + virtual void reset(); + virtual int itemCount() const; + virtual AbstractViewItem* itemAt(const int row) const; + AbstractViewItem* findItemByIndex(const QModelIndex &index) const; + AbstractViewItem *prototype(); + AbstractViewItem *firstItem(); + void updateContent(); + void themeChange(); + int bufferSize() const; + virtual void setTwoColumns(const bool enabled); + bool twoColumns(); + + void setSubtreeCacheEnabled(const bool enabled); + virtual void setListItemCaching(const bool enabled, const int index) = 0; + +protected: + virtual void adjustVisibleContainerSize(const QSizeF &size) = 0; + virtual void addItemToVisibleLayout(int index, AbstractViewItem *item) = 0; + virtual void removeItemFromVisibleLayout(AbstractViewItem *item) = 0; + + virtual bool event(QEvent *e); + virtual bool eventFilter(QObject *obj, QEvent *event); + virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value); + virtual int maxItemCountInItemBuffer() const; + bool itemVisibleInView(AbstractViewItem* item, const QRectF &viewRect, bool fullyVisible = true) const; + +protected: + void updateItemBuffer(); + void findFirstAndLastVisibleBufferIndex(int &firstVisibleBufferIndex, + int &lastVisibleBufferIndex, + const QRectF &viewRect, + bool fullyVisible) const; + QList<AbstractViewItem*> m_items; + AbstractItemView *m_itemView; + AbstractViewItem *m_prototype; + int m_bufferSize; + +private: + void insertItem(int pos, const QModelIndex &index); + bool m_twoColumns; + + Q_DISABLE_COPY(AbstractItemContainer) +}; + +#endif // ABSTRACTITEMCONTAINER_H |