diff -r 000000000000 -r 1918ee327afb tools/qvfb/qvfbprotocol.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tools/qvfb/qvfbprotocol.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,195 @@ +/**************************************************************************** +** +** 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 tools applications 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 "qvfbprotocol.h" +#include "qvfbhdr.h" + +#include +#include + +#include +#include +#include +#include +#include +#include + +#ifdef Q_OS_UNIX +#include +#endif + +#include "qvfbshmem.h" + +QT_BEGIN_NAMESPACE + +QVFbViewProtocol::QVFbViewProtocol(int display_id, QObject *parent) : + QObject(parent), mDisplayId(display_id) { } + +QVFbViewProtocol::~QVFbViewProtocol() {} + +void QVFbViewProtocol::flushChanges() {} + +void QVFbViewProtocol::sendKeyboardData(QString unicode, int keycode, + int modifiers, bool press, bool repeat) +{ + if (keyHandler()) + keyHandler()->sendKeyboardData(unicode, keycode, modifiers, press, repeat); +} + +void QVFbViewProtocol::sendMouseData(const QPoint &pos, int buttons, int wheel) +{ + if (mouseHandler()) + mouseHandler()->sendMouseData(pos, buttons, wheel); +} + +static int openPipe(const char *fileName) +{ + unlink(fileName); + + mkfifo(fileName, 0666); + int fd = ::open(fileName, O_RDWR | O_NDELAY); + return fd; +} + +QVFbKeyPipeProtocol::QVFbKeyPipeProtocol(int display_id) + : QVFbKeyProtocol(display_id) +{ + fileName = QT_VFB_KEYBOARD_PIPE(display_id); + fd = openPipe(fileName.toLocal8Bit().constData()); + + if (fd == -1) + qFatal("Cannot open keyboard pipe %s", fileName.toLocal8Bit().data()); +} + +QVFbKeyPipeProtocol::~QVFbKeyPipeProtocol() +{ + sendKeyboardData(0, 0, 0, true, false); // magic die key + ::close(fd); + unlink(fileName.toLocal8Bit().constData()); +} + +void QVFbKeyPipeProtocol::sendKeyboardData(QString unicode, int keycode, + int modifiers, bool press, bool repeat) +{ + QVFbKeyData kd; + kd.unicode = unicode[0].unicode(); + kd.keycode = keycode; + kd.modifiers = static_cast(modifiers); + kd.press = press; + kd.repeat = repeat; + write(fd, &kd, sizeof(QVFbKeyData)); +} + +QVFbMousePipe::QVFbMousePipe(int display_id) + : QVFbMouseProtocol(display_id) +{ + fileName = QT_VFB_MOUSE_PIPE(display_id); + fd = openPipe(fileName.toLocal8Bit().constData()); + + if (fd == -1) + qFatal("Cannot open mouse pipe %s", fileName.toLocal8Bit().data()); +} + +QVFbMousePipe::~QVFbMousePipe() +{ + ::close(fd); + unlink(fileName.toLocal8Bit().constData()); +} + + +void QVFbMousePipe::sendMouseData(const QPoint &pos, int buttons, int wheel) +{ + write(fd, &pos, sizeof(QPoint)); + write(fd, &buttons, sizeof(int)); + write(fd, &wheel, sizeof(int)); +} + +QVFbMouseLinuxTP::QVFbMouseLinuxTP(int display_id) + : QObject(), QVFbMousePipe(display_id), lastPos(-1,-1) +{ + /* the timer is needed because a real touch screen send data as long as + there is pressure. And the linux tp driver will filter, requiring + a minimum of 5 samples before it even registers a press. + */ + repeater = new QTimer(this); + connect(repeater, SIGNAL(timeout()), this, SLOT(repeatLastPress())); +} + +QVFbMouseLinuxTP::~QVFbMouseLinuxTP() +{ +} + + +void QVFbMouseLinuxTP::sendMouseData(const QPoint &pos, int buttons, int) +{ + if (buttons & Qt::LeftButton) { + // press + repeater->start(5); + writeToPipe(pos, 1); + lastPos = pos; + } else { + // release + if (lastPos == QPoint(-1,-1)) + return; /* only send one release */ + repeater->stop(); + writeToPipe(pos, 0); + lastPos = QPoint(-1,-1); + } +} + +void QVFbMouseLinuxTP::writeToPipe(const QPoint &pos, ushort pressure) +{ + ushort v; + write(fd, &pressure, sizeof(ushort)); + v = pos.x(); + write(fd, &v, sizeof(ushort)); + v = pos.y(); + write(fd, &v, sizeof(ushort)); + v = 1; // pad + write(fd, &v, sizeof(ushort)); +} + +void QVFbMouseLinuxTP::repeatLastPress() +{ + writeToPipe(lastPos, 1); +} + +QT_END_NAMESPACE