38be0d1383
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119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 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 ABSTRACTITEMVIEW_H
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#define ABSTRACTITEMVIEW_H
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#include <QAbstractItemModel>
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#include <QGraphicsSceneResizeEvent>
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#include <QPersistentModelIndex>
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#include <QItemSelection>
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#include "listitemcontainer.h"
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#include "abstractscrollarea.h"
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#include "scroller.h"
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class QItemSelectionModel;
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class AbstractItemView : public AbstractScrollArea
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{
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Q_OBJECT
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public:
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AbstractItemView(QGraphicsWidget *parent = 0);
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virtual ~AbstractItemView();
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virtual void setContainer(AbstractItemContainer *container);
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virtual void setModel(QAbstractItemModel *model, AbstractViewItem *prototype);
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virtual QAbstractItemModel* model() const;
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virtual void setItemPrototype(AbstractViewItem* prototype);
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void setSelectionModel(QItemSelectionModel *smodel);
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virtual QModelIndex nextIndex(const QModelIndex &index) const;
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virtual QModelIndex previousIndex(const QModelIndex &index) const;
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virtual int indexCount() const;
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void refreshContainerGeometry(); // TODO Can this be moved to scroll area?
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void updateViewContent();
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virtual void scrollContentsBy(qreal dx, qreal dy);
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#if (QT_VERSION >= 0x040600)
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virtual bool listItemCaching() const = 0;
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virtual void setListItemCaching(bool enabled) = 0;
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#endif
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protected:
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virtual bool event(QEvent *e);
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void changeTheme();
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public slots:
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virtual void setRootIndex(const QModelIndex &index);
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void setCurrentIndex(const QModelIndex &index,
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QItemSelectionModel::SelectionFlags selectionFlag = QItemSelectionModel::NoUpdate);
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protected slots:
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virtual void currentIndexChanged(const QModelIndex ¤t, const QModelIndex &previous);
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virtual void currentSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
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virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
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virtual void rowsAboutToBeInserted(const QModelIndex &index, int start, int end);
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virtual void rowsInserted(const QModelIndex &parent, int start, int end);
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virtual void rowsAboutToBeRemoved(const QModelIndex &index,int start, int end);
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virtual void rowsRemoved(const QModelIndex &parent,int start, int end);
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virtual void modelDestroyed();
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virtual void layoutChanged();
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virtual void reset();
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protected:
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QAbstractItemModel *m_model;
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QPersistentModelIndex m_rootIndex;
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AbstractItemContainer *m_container;
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QItemSelectionModel *m_selectionModel;
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QPersistentModelIndex m_currentIndex;
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private:
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Q_DISABLE_COPY(AbstractItemView)
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Scroller m_scroller;
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};
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#endif // ABSTRACTITEMVIEW_H
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