1 files changed, 128 insertions, 0 deletions
diff --git a/src/platformsupport/input/evdevtablet/qevdevtabletmanager.cpp b/src/platformsupport/input/evdevtablet/qevdevtabletmanager.cpp
new file mode 100644
index 0000000000..00a8c7a65d
--- /dev/null
+++ b/src/platformsupport/input/evdevtablet/qevdevtabletmanager.cpp
@@ -0,0 +1,128 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qevdevtabletmanager_p.h"
+#include "qevdevtablethandler_p.h"
+
+#include <QStringList>
+#include <QGuiApplication>
+#include <QLoggingCategory>
+#include <QtPlatformSupport/private/qdevicediscovery_p.h>
+#include <private/qguiapplication_p.h>
+#include <private/qinputdevicemanager_p_p.h>
+
+QT_BEGIN_NAMESPACE
+
+Q_DECLARE_LOGGING_CATEGORY(qLcEvdevTablet)
+
+QEvdevTabletManager::QEvdevTabletManager(const QString &key, const QString &specification, QObject *parent)
+    : QObject(parent)
+{
+    Q_UNUSED(key);
+
+    if (qEnvironmentVariableIsSet("QT_QPA_EVDEV_DEBUG"))
+        const_cast<QLoggingCategory &>(qLcEvdevTablet()).setEnabled(QtDebugMsg, true);
+
+    QString spec = QString::fromLocal8Bit(qgetenv("QT_QPA_EVDEV_TABLET_PARAMETERS"));
+
+    if (spec.isEmpty())
+        spec = specification;
+
+    QStringList args = spec.split(QLatin1Char(':'));
+    QStringList devices;
+
+    foreach (const QString &arg, args) {
+        if (arg.startsWith(QLatin1String("/dev/"))) {
+            devices.append(arg);
+            args.removeAll(arg);
+        }
+    }
+
+    // build new specification without /dev/ elements
+    m_spec = args.join(QLatin1Char(':'));
+
+    foreach (const QString &device, devices)
+        addDevice(device);
+
+    // when no devices specified, use device discovery to scan and monitor
+    if (devices.isEmpty()) {
+        qCDebug(qLcEvdevTablet) << "evdevtablet: Using device discovery";
+        m_deviceDiscovery = QDeviceDiscovery::create(QDeviceDiscovery::Device_Tablet, this);
+        if (m_deviceDiscovery) {
+            QStringList devices = m_deviceDiscovery->scanConnectedDevices();
+            foreach (const QString &device, devices)
+                addDevice(device);
+            connect(m_deviceDiscovery, SIGNAL(deviceDetected(QString)), this, SLOT(addDevice(QString)));
+            connect(m_deviceDiscovery, SIGNAL(deviceRemoved(QString)), this, SLOT(removeDevice(QString)));
+        }
+    }
+}
+
+QEvdevTabletManager::~QEvdevTabletManager()
+{
+    qDeleteAll(m_activeDevices);
+}
+
+void QEvdevTabletManager::addDevice(const QString &deviceNode)
+{
+    qCDebug(qLcEvdevTablet) << "Adding device at" << deviceNode;
+    QEvdevTabletHandlerThread *handler;
+    handler = new QEvdevTabletHandlerThread(deviceNode, m_spec);
+    if (handler) {
+        m_activeDevices.insert(deviceNode, handler);
+        QInputDeviceManagerPrivate::get(QGuiApplicationPrivate::inputDeviceManager())->setDeviceCount(
+            QInputDeviceManager::DeviceTypeTablet, m_activeDevices.count());
+    } else {
+        qWarning("evdevtablet: Failed to open tablet device %s", qPrintable(deviceNode));
+    }
+}
+
+void QEvdevTabletManager::removeDevice(const QString &deviceNode)
+{
+    if (m_activeDevices.contains(deviceNode)) {
+        qCDebug(qLcEvdevTablet) << "Removing device at" << deviceNode;
+        QEvdevTabletHandlerThread *handler = m_activeDevices.value(deviceNode);
+        m_activeDevices.remove(deviceNode);
+        QInputDeviceManagerPrivate::get(QGuiApplicationPrivate::inputDeviceManager())->setDeviceCount(
+            QInputDeviceManager::DeviceTypeTablet, m_activeDevices.count());
+        delete handler;
+    }
+}
+
+QT_END_NAMESPACE