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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QEGLFSKMSCURSOR_H
#define QEGLFSKMSCURSOR_H

#include <qpa/qplatformcursor.h>
#include <QtCore/QList>
#include <QtGui/QImage>

#include <gbm.h>

QT_BEGIN_NAMESPACE

class QEglFSKmsScreen;

class QEglFSKmsCursor : public QPlatformCursor
{
    Q_OBJECT

public:
    QEglFSKmsCursor(QEglFSKmsScreen *screen);
    ~QEglFSKmsCursor();

    // input methods
    void pointerEvent(const QMouseEvent & event) Q_DECL_OVERRIDE;
#ifndef QT_NO_CURSOR
    void changeCursor(QCursor * windowCursor, QWindow * window) Q_DECL_OVERRIDE;
#endif
    QPoint pos() const Q_DECL_OVERRIDE;
    void setPos(const QPoint &pos) Q_DECL_OVERRIDE;

private:
    void initCursorAtlas();

    QEglFSKmsScreen *m_screen;
    QSize m_cursorSize;
    gbm_bo *m_bo;
    QPoint m_pos;
    QPlatformCursorImage m_cursorImage;
    bool m_visible;

    // cursor atlas information
    struct CursorAtlas {
        CursorAtlas() : cursorsPerRow(0), cursorWidth(0), cursorHeight(0) { }
        int cursorsPerRow;
        int width, height; // width and height of the atlas
        int cursorWidth, cursorHeight; // width and height of cursors inside the atlas
        QList<QPoint> hotSpots;
        QImage image;
    } m_cursorAtlas;
};

QT_END_NAMESPACE

#endif