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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Itemviews NG project on Trolltech Labs.
**
** GNU Lesser General Public License Usage
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef QTTREECONTROLLER_H
#define QTTREECONTROLLER_H
#include <QtCore/qobject.h>
#include "qtreemodelinterface.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
//QT_MODULE(Gui)
class QEvent;
class QKeyEvent;
class QInputMethodEvent;
class QGraphicsSceneMouseEvent;
class QGraphicsSceneDragDropEvent;
class QGraphicsSceneHoverEvent;
class QGraphicsSceneWheelEvent;
class QGraphicsSceneResizeEvent;
class QTransform;
class QtTreeControllerPrivate;
class QtTreeSelectionManager;
class QtTreeModelBase;
class QtGraphicsTreeView;
class QtGraphicsHeader;
class Q_ITEMVIEWSNG_EXPORT QtTreeController : public QObject
{
Q_OBJECT
Q_PROPERTY(QtTreeModelBase* model READ model WRITE setModel) // ###
public:
QtTreeController(QObject *parent = 0);
virtual ~QtTreeController();
QtGraphicsTreeView *view() const;
void setView(QtGraphicsTreeView *view);
QtTreeModelBase *model() const;
void setModel(QtTreeModelBase *model);
QtTreeSelectionManager *selectionManager() const;
void setSelectionManager(QtTreeSelectionManager *selections);
QtGraphicsHeader *header() const;
void setHeader(QtGraphicsHeader *header);
virtual qreal verticalScrollValue() const;
virtual qreal horizontalScrollValue() const;
virtual qreal verticalPageStepValue(qreal *maximumVerticalScrollValue = 0) const;
virtual qreal horizontalPageStepValue(qreal *maximumHorizontalScrollValue = 0) const;
virtual qreal maximumVerticalScrollValue() const;
virtual qreal maximumHorizontalScrollValue() const;
virtual bool keyPressEvent(QKeyEvent *event);
virtual bool inputMethodEvent(QInputMethodEvent *event);
virtual bool mousePressEvent(QGraphicsSceneMouseEvent *event, const QTransform &transform);
virtual bool mouseMoveEvent(QGraphicsSceneMouseEvent *event, const QTransform &transform);
virtual bool mouseReleaseEvent(QGraphicsSceneMouseEvent *event, const QTransform &transform);
virtual bool mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event, const QTransform &transform);
virtual bool dragEnterEvent(QGraphicsSceneDragDropEvent *event, const QTransform &transform);
virtual bool dragLeaveEvent(QGraphicsSceneDragDropEvent *event, const QTransform &transform);
virtual bool dragMoveEvent(QGraphicsSceneDragDropEvent *event, const QTransform &transform);
virtual bool dropEvent(QGraphicsSceneDragDropEvent *event, const QTransform &transform);
virtual bool hoverEnterEvent(QGraphicsSceneHoverEvent *event, const QTransform &transform);
virtual bool hoverMoveEvent(QGraphicsSceneHoverEvent *event, const QTransform &transform);
virtual bool hoverLeaveEvent(QGraphicsSceneHoverEvent *event, const QTransform &transform);
virtual bool wheelEvent(QGraphicsSceneWheelEvent *event, const QTransform &transform);
virtual bool resizeEvent(QGraphicsSceneResizeEvent *event, const QTransform &transform);
virtual bool processEvent(QEvent *event, const QTransform &transform);
Q_SIGNALS:
void itemClicked(QtTreeModelIterator &it, Qt::MouseButton button);
void viewChanged(QtGraphicsTreeView *current, QtGraphicsTreeView *previous);
void modelChanged(QtTreeModelBase *current, QtTreeModelBase *previous);
void selectionManagerChanged(QtTreeSelectionManager *current, QtTreeSelectionManager *previous);
void verticalScrollValueChanged(qreal value);
void horizontalScrollValueChanged(qreal value);
public Q_SLOTS:
void setVerticalScrollValue(qreal value);
void setHorizontalScrollValue(qreal value);
void setVerticalScrollValue(int value);
void setHorizontalScrollValue(int value);
protected:
QtTreeController(QtTreeControllerPrivate &, QObject *parent = 0);
QtTreeControllerPrivate *d_ptr;
private:
Q_DECLARE_PRIVATE(QtTreeController)
Q_DISABLE_COPY(QtTreeController)
Q_PRIVATE_SLOT(d_func(), void _q_viewDestroyed())
Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed())
Q_PRIVATE_SLOT(d_func(), void _q_selectionsDestroyed())
Q_PRIVATE_SLOT(d_func(), void _q_headerDestroyed())
Q_PRIVATE_SLOT(d_func(), void _q_firstIndexChanged(int index))
Q_PRIVATE_SLOT(d_func(), void _q_firstSectionChanged(int section))
Q_PRIVATE_SLOT(d_func(), void _q_verticalOffsetChanged(qreal offset))
Q_PRIVATE_SLOT(d_func(), void _q_horizontalOffsetChanged(qreal offset))
};
QT_END_NAMESPACE
QT_END_HEADER
#endif//QTTREECONTROLLER_H
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