diff -r 000000000000 -r 1918ee327afb src/gui/embedded/qkbdvfb_qws.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/gui/embedded/qkbdvfb_qws.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include +#include +#include +#include +#include +#include + +#include +#include + +#ifndef QT_NO_QWS_KEYBOARD +#ifndef QT_NO_QWS_KBD_QVFB + +#include +#include +#include +#include // overrides QT_OPEN + +QT_BEGIN_NAMESPACE + +QVFbKeyboardHandler::QVFbKeyboardHandler(const QString &device) + : QObject() +{ + terminalName = device; + if (terminalName.isEmpty()) + terminalName = QLatin1String("/dev/vkdb"); + kbdFD = -1; + kbdIdx = 0; + kbdBufferLen = sizeof(QVFbKeyData) * 5; + kbdBuffer = new unsigned char [kbdBufferLen]; + + if ((kbdFD = QT_OPEN(terminalName.toLatin1().constData(), O_RDONLY | O_NDELAY)) < 0) { + qWarning("Cannot open %s (%s)", terminalName.toLatin1().constData(), + 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())); + } +} + +QVFbKeyboardHandler::~QVFbKeyboardHandler() +{ + if (kbdFD >= 0) + QT_CLOSE(kbdFD); + delete [] kbdBuffer; +} + + +void QVFbKeyboardHandler::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); + if (kd->unicode == 0 && kd->keycode == 0 && kd->modifiers == 0 && kd->press) { + // magic exit key + qWarning("Instructed to quit by Virtual Keyboard"); + qApp->quit(); + } + QWSServer::processKeyEvent(kd->unicode ? kd->unicode : 0xffff, 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; +} + +QT_END_NAMESPACE + +#endif // QT_NO_QWS_KBD_QVFB +#endif // QT_NO_QWS_KEYBOARD