1 files changed, 163 insertions, 0 deletions
diff --git a/src/platformsupport/input/evdevmouse/qevdevmousemanager.cpp b/src/platformsupport/input/evdevmouse/qevdevmousemanager.cpp
new file mode 100644
index 0000000000..f1a86cb15a
--- /dev/null
+++ b/src/platformsupport/input/evdevmouse/qevdevmousemanager.cpp
@@ -0,0 +1,163 @@
+/****************************************************************************
+**
+** 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_p.h"
+
+#include <QStringList>
+#include <QGuiApplication>
+#include <QScreen>
+#include <QWindowSystemInterface>
+
+//#define QT_QPA_MOUSEMANAGER_DEBUG
+
+#ifdef QT_QPA_MOUSEMANAGER_DEBUG
+#include <QDebug>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+QEvdevMouseManager::QEvdevMouseManager(const QString &key, const QString &specification, QObject *parent)
+    : QObject(parent), m_x(0), m_y(0), m_xoffset(0), m_yoffset(0)
+{
+    Q_UNUSED(key);
+
+    QStringList args = specification.split(QLatin1Char(':'));
+    QStringList devices;
+
+    foreach (const QString &arg, args) {
+        if (arg.startsWith(QLatin1String("/dev/"))) {
+            // if device is specified try to use it
+            devices.append(arg);
+            args.removeAll(arg);
+        } else if (arg.startsWith(QLatin1String("xoffset="))) {
+            m_xoffset = arg.mid(8).toInt();
+        } else if (arg.startsWith(QLatin1String("yoffset="))) {
+            m_yoffset = arg.mid(8).toInt();
+        }
+    }
+
+    // build new specification without /dev/ elements
+    m_spec = args.join(QLatin1String(":"));
+
+    // add all mice for devices specified in the argument list
+    foreach (const QString &device, devices)
+        addMouse(device);
+
+    if (devices.isEmpty()) {
+#ifdef QT_QPA_MOUSEMANAGER_DEBUG
+        qWarning() << "Use device discovery";
+#endif
+
+        m_deviceDiscovery = QDeviceDiscovery::create(QDeviceDiscovery::Device_Mouse | QDeviceDiscovery::Device_Touchpad, this);
+        if (m_deviceDiscovery) {
+            // scan and add already connected keyboards
+            QStringList devices = m_deviceDiscovery->scanConnectedDevices();
+            foreach (QString device, devices) {
+                addMouse(device);
+            }
+
+            connect(m_deviceDiscovery, SIGNAL(deviceDetected(QString)), this, SLOT(addMouse(QString)));
+            connect(m_deviceDiscovery, SIGNAL(deviceRemoved(QString)), this, SLOT(removeMouse(QString)));
+        }
+    }
+}
+
+QEvdevMouseManager::~QEvdevMouseManager()
+{
+    qDeleteAll(m_mice);
+    m_mice.clear();
+}
+
+void QEvdevMouseManager::handleMouseEvent(int x, int y, Qt::MouseButtons buttons)
+{
+    // update current absolute coordinates
+    m_x += x;
+    m_y += y;
+
+    // clamp to screen geometry
+    QRect g = QGuiApplication::primaryScreen()->virtualGeometry();
+    if (m_x + m_xoffset < g.left())
+        m_x = g.left() - m_xoffset;
+    else if (m_x + m_xoffset > g.right())
+        m_x = g.right() - m_xoffset;
+
+    if (m_y + m_yoffset < g.top())
+        m_y = g.top() - m_yoffset;
+    else if (m_y + m_yoffset > g.bottom())
+        m_y = g.bottom() - m_yoffset;
+
+    QPoint pos(m_x + m_xoffset, m_y + m_yoffset);
+    QWindowSystemInterface::handleMouseEvent(0, pos, pos, buttons);
+
+#ifdef QT_QPA_MOUSEMANAGER_DEBUG
+    qDebug("mouse event %d %d %d", pos.x(), pos.y(), int(buttons));
+#endif
+}
+
+void QEvdevMouseManager::addMouse(const QString &deviceNode)
+{
+#ifdef QT_QPA_MOUSEMANAGER_DEBUG
+    qWarning() << "Adding mouse at" << deviceNode;
+#endif
+
+    QEvdevMouseHandler *handler;
+    handler = QEvdevMouseHandler::create(deviceNode, m_spec);
+    if (handler) {
+        connect(handler, SIGNAL(handleMouseEvent(int, int, Qt::MouseButtons)), this, SLOT(handleMouseEvent(int, int, Qt::MouseButtons)));
+        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