diff -r 000000000000 -r 1918ee327afb src/gui/embedded/qmousevfb_qws.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/gui/embedded/qmousevfb_qws.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,133 @@ +/**************************************************************************** +** +** Copyright (C) 2009 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QT_NO_QWS_MOUSE_QVFB + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include // overrides QT_OPEN + +QT_BEGIN_NAMESPACE + +QVFbMouseHandler::QVFbMouseHandler(const QString &driver, const QString &device) + : QObject(), QWSMouseHandler(driver, device) +{ + QString mouseDev = device; + if (device.isEmpty()) + mouseDev = QLatin1String("/dev/vmouse"); + + mouseFD = QT_OPEN(mouseDev.toLatin1().constData(), O_RDWR | O_NDELAY); + if (mouseFD == -1) { + perror("QVFbMouseHandler::QVFbMouseHandler"); + qWarning("QVFbMouseHander: Unable to open device %s", + qPrintable(mouseDev)); + return; + } + + // Clear pending input + char buf[2]; + while (QT_READ(mouseFD, buf, 1) > 0) { } + + mouseIdx = 0; + + mouseNotifier = new QSocketNotifier(mouseFD, QSocketNotifier::Read, this); + connect(mouseNotifier, SIGNAL(activated(int)),this, SLOT(readMouseData())); +} + +QVFbMouseHandler::~QVFbMouseHandler() +{ + if (mouseFD >= 0) + QT_CLOSE(mouseFD); +} + +void QVFbMouseHandler::resume() +{ + mouseNotifier->setEnabled(true); +} + +void QVFbMouseHandler::suspend() +{ + mouseNotifier->setEnabled(false); +} + +void QVFbMouseHandler::readMouseData() +{ + int n; + do { + n = QT_READ(mouseFD, mouseBuf+mouseIdx, mouseBufSize-mouseIdx); + if (n > 0) + mouseIdx += n; + } while (n > 0); + + int idx = 0; + static const int packetsize = sizeof(QPoint) + 2*sizeof(int); + while (mouseIdx-idx >= packetsize) { + uchar *mb = mouseBuf+idx; + QPoint mousePos = *reinterpret_cast(mb); + mb += sizeof(QPoint); + int bstate = *reinterpret_cast(mb); + mb += sizeof(int); + int wheel = *reinterpret_cast(mb); +// limitToScreen(mousePos); + mouseChanged(mousePos, bstate, wheel); + idx += packetsize; + } + + int surplus = mouseIdx - idx; + for (int i = 0; i < surplus; i++) + mouseBuf[i] = mouseBuf[idx+i]; + mouseIdx = surplus; +} + +QT_END_NAMESPACE + +#endif // QT_NO_QWS_MOUSE_QVFB