1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtGui module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
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30 ** Alternatively, this file may be used in accordance with the terms and
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40 ****************************************************************************/
46 #include <QSocketNotifier>
47 #include <QStringList>
49 #include <QtGui/qwindowsysteminterface.h>
60 QTsLibMouseHandler::QTsLibMouseHandler(const QString &key,
61 const QString &specification)
62 : m_notify(0), m_x(0), m_y(0), m_pressed(0), m_rawMode(false)
64 qDebug() << "QTsLibMouseHandler" << key << specification;
65 setObjectName(QLatin1String("TSLib Mouse Handler"));
67 QByteArray device = "/dev/input/event1";
68 if (specification.startsWith("/dev/"))
69 device = specification.toLocal8Bit();
71 m_dev = ts_open(device.constData(), 1);
73 qErrnoWarning(errno, "ts_open() failed");
77 if (ts_config(m_dev)) {
78 perror("Error configuring\n");
81 m_rawMode = !key.compare(QLatin1String("TslibRaw"), Qt::CaseInsensitive);
83 int fd = ts_fd(m_dev);
85 m_notify = new QSocketNotifier(fd, QSocketNotifier::Read, this);
86 connect(m_notify, SIGNAL(activated(int)), this, SLOT(readMouseData()));
88 qWarning("Cannot open mouse input device '%s': %s", device.constData(), strerror(errno));
94 QTsLibMouseHandler::~QTsLibMouseHandler()
101 static bool get_sample(struct tsdev *dev, struct ts_sample *sample, bool rawMode)
104 return (ts_read_raw(dev, sample, 1) == 1);
106 int ret = ts_read(dev, sample, 1);
112 void QTsLibMouseHandler::readMouseData()
115 while (get_sample(m_dev, &sample, m_rawMode)) {
117 bool pressed = sample.pressure;
123 //filtering: ignore movements of 2 pixels or less
126 if (dx*dx <= 4 && dy*dy <= 4 && pressed == m_pressed)
129 // work around missing coordinates on mouse release in raw mode
130 if (sample.pressure == 0 && sample.x == 0 && sample.y == 0) {
137 //printf("handleMouseEvent %d %d %d %ld\n", m_x, m_y, pressed, sample.tv.tv_usec);
139 QWindowSystemInterface::handleMouseEvent(0, pos, pos, pressed ? Qt::LeftButton : Qt::NoButton);