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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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
*****************************************************************************/
extern QCursorData *qt_cursorTable[Qt::LastCursor + 1]; // qcursor.cpp
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
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