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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 "qevdevmousemanager.h"
#include <QStringList>
#include <QCoreApplication>
//#define QT_QPA_MOUSEMANAGER_DEBUG
#ifdef QT_QPA_MOUSEMANAGER_DEBUG
#include <QDebug>
#endif
QT_BEGIN_NAMESPACE
QEvdevMouseManager::QEvdevMouseManager(const QString &key, const QString &specification)
{
Q_UNUSED(key);
bool useUDev = true;
QStringList args = specification.split(QLatin1Char(':'));
QStringList devices;
foreach (const QString &arg, args) {
if (arg.startsWith("udev") && arg.contains("no")) {
useUDev = false;
} else if (arg.startsWith("/dev/")) {
// if device is specified try to use it
devices.append(arg);
args.removeAll(arg);
}
}
// build new specification without /dev/ elements
m_spec = args.join(":");
// add all mice for devices specified in the argument list
foreach (const QString &device, devices)
addMouse(device);
if (useUDev) {
#ifdef QT_QPA_MOUSEMANAGER_DEBUG
qWarning() << "Use UDev for device discovery";
#endif
m_udeviceHelper = QUDeviceHelper::createUDeviceHelper(QUDeviceHelper::UDev_Mouse | QUDeviceHelper::UDev_Touchpad, this);
if (m_udeviceHelper) {
// scan and add already connected keyboards
QStringList devices = m_udeviceHelper->scanConnectedDevices();
foreach (QString device, devices) {
addMouse(device);
}
connect(m_udeviceHelper, SIGNAL(deviceDetected(QString,QUDeviceTypes)), this, SLOT(addMouse(QString)));
connect(m_udeviceHelper, SIGNAL(deviceRemoved(QString,QUDeviceTypes)), this, SLOT(removeMouse(QString)));
}
}
}
QEvdevMouseManager::~QEvdevMouseManager()
{
qDeleteAll(m_mice);
m_mice.clear();
}
void QEvdevMouseManager::addMouse(const QString &deviceNode)
{
#ifdef QT_QPA_MOUSEMANAGER_DEBUG
qWarning() << "Adding mouse at" << deviceNode;
#endif
QString specification = m_spec;
if (!deviceNode.isEmpty()) {
specification.append(":");
specification.append(deviceNode);
}
QEvdevMouseHandler *handler;
handler = QEvdevMouseHandler::createLinuxInputMouseHandler("EvdevMouse", specification);
if (handler)
m_mice.insert(deviceNode, handler);
else
qWarning("Failed to open mouse");
}
void QEvdevMouseManager::removeMouse(const QString &deviceNode)
{
if (m_mice.contains(deviceNode)) {
#ifdef QT_QPA_MOUSEMANAGER_DEBUG
qWarning() << "Removing mouse at" << deviceNode;
#endif
QEvdevMouseHandler *handler = m_mice.value(deviceNode);
m_mice.remove(deviceNode);
delete handler;
}
}
QT_END_NAMESPACE
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