/****************************************************************************

**

** 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 QtGui module 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.

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** $QT_END_LICENSE$

**

****************************************************************************/

#include <qcursor.h>

#include <private/qcursor_p.h>

#include <qbitmap.h>

#include <qwsdisplay_qws.h>

QT_BEGIN_NAMESPACE

QT_USE_NAMESPACE

#ifndef QT_NO_CURSOR

static int nextCursorId = Qt::BitmapCursor;

/*****************************************************************************

  Internal QCursorData class

 *****************************************************************************/

QCursorData::QCursorData(Qt::CursorShape s)

    : cshape(s), bm(0), bmm(0), hx(0), hy(0), id(s)

{

    ref = 1;

}

QCursorData::~QCursorData()

{

    delete bm;

    delete bmm;

    QT_TRY {

        QPaintDevice::qwsDisplay()->destroyCursor(id);

    } QT_CATCH(const std::bad_alloc &) {

        // do nothing.

    }

}

/*****************************************************************************

  Global cursors

 *****************************************************************************/

int QCursor::handle() const

{

    return d->id;

}

QCursorData *QCursorData::setBitmap(const QBitmap &bitmap, const QBitmap &mask, int hotX, int hotY)

{

    if (!QCursorData::initialized)

        QCursorData::initialize();

    if (bitmap.depth() != 1 || mask.depth() != 1 || bitmap.size() != mask.size()) {

        qWarning("QCursor: Cannot create bitmap cursor; invalid bitmap(s)");

        QCursorData *c = qt_cursorTable[0];

        c->ref.ref();

        return c;

    }

    QCursorData *d = new QCursorData;

    d->bm  = new QBitmap(bitmap);

    d->bmm = new QBitmap(mask);

    d->cshape = Qt::BitmapCursor;

    d->id = ++nextCursorId;

    d->hx = hotX >= 0 ? hotX : bitmap.width() / 2;

    d->hy = hotY >= 0 ? hotY : bitmap.height() / 2;

    QPaintDevice::qwsDisplay()->defineCursor(d->id, *d->bm, *d->bmm, d->hx, d->hy);

    return d;

}

void QCursorData::update()

{

}

#endif //QT_NO_CURSOR

extern int *qt_last_x,*qt_last_y;

QPoint QCursor::pos()

{

    // This doesn't know about hotspots yet so we disable it

    //qt_accel_update_cursor();

    if (qt_last_x)

        return QPoint(*qt_last_x, *qt_last_y);

    else

        return QPoint();

}

void QCursor::setPos(int x, int y)

{

    // Need to check, since some X servers generate null mouse move

    // events, causing looping in applications which call setPos() on

    // every mouse move event.

    //

    if (pos() == QPoint(x, y))

        return;

    QPaintDevice::qwsDisplay()->setCursorPosition(x, y);

}

QT_END_NAMESPACE