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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qkbdum_qws.h"
#if !defined(QT_NO_QWS_KEYBOARD) && !defined(QT_NO_QWS_KBD_UM)
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <qstring.h>
#include <qwindowsystem_qws.h>
#include <qsocketnotifier.h>
#include "qplatformdefs.h"
#include "qvfbhdr.h"
QT_BEGIN_NAMESPACE
class QWSUmKeyboardHandlerPrivate : public QObject
{
Q_OBJECT
public:
QWSUmKeyboardHandlerPrivate(const QString&);
~QWSUmKeyboardHandlerPrivate();
private slots:
void readKeyboardData();
private:
int kbdFD;
int kbdIdx;
const int kbdBufferLen;
unsigned char *kbdBuffer;
QSocketNotifier *notifier;
};
QWSUmKeyboardHandlerPrivate::QWSUmKeyboardHandlerPrivate(const QString &device)
: kbdFD(-1), kbdIdx(0), kbdBufferLen(sizeof(QVFbKeyData)*5)
{
kbdBuffer = new unsigned char [kbdBufferLen];
if ((kbdFD = QT_OPEN((const char *)device.toLocal8Bit(), O_RDONLY | O_NDELAY, 0)) < 0) {
qDebug("Cannot open %s (%s)", (const char *)device.toLocal8Bit(),
strerror(errno));
} else {
// Clear pending input
char buf[2];
while (QT_READ(kbdFD, buf, 1) > 0) { }
notifier = new QSocketNotifier(kbdFD, QSocketNotifier::Read, this);
connect(notifier, SIGNAL(activated(int)),this, SLOT(readKeyboardData()));
}
}
QWSUmKeyboardHandlerPrivate::~QWSUmKeyboardHandlerPrivate()
{
if (kbdFD >= 0)
QT_CLOSE(kbdFD);
delete [] kbdBuffer;
}
void QWSUmKeyboardHandlerPrivate::readKeyboardData()
{
int n;
do {
n = QT_READ(kbdFD, kbdBuffer+kbdIdx, kbdBufferLen - kbdIdx);
if (n > 0)
kbdIdx += n;
} while (n > 0);
int idx = 0;
while (kbdIdx - idx >= (int)sizeof(QVFbKeyData)) {
QVFbKeyData *kd = (QVFbKeyData *)(kbdBuffer + idx);
// Qtopia Key filters must still work.
QWSServer::processKeyEvent(kd->unicode, kd->keycode, kd->modifiers, kd->press, kd->repeat);
idx += sizeof(QVFbKeyData);
}
int surplus = kbdIdx - idx;
for (int i = 0; i < surplus; i++)
kbdBuffer[i] = kbdBuffer[idx+i];
kbdIdx = surplus;
}
QWSUmKeyboardHandler::QWSUmKeyboardHandler(const QString &device)
: QWSKeyboardHandler()
{
d = new QWSUmKeyboardHandlerPrivate(device);
}
QWSUmKeyboardHandler::~QWSUmKeyboardHandler()
{
delete d;
}
QT_END_NAMESPACE
#include "qkbdum_qws.moc"
#endif // QT_NO_QWS_KEYBOARD && QT_NO_QWS_KBD_UM
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