Allow client side input device customization

Introduces QWaylandInputDeviceIntegration plugins to allow customization
of input device related behavior. The plugin can be activated via the
environment variable QT_WAYLAND_INPUTDEVICE_INTEGRATION

Change-Id: If5629737752afacb29161f51c1b7c6e171fb2758
Reviewed-by: Mikko Levonmaa <mikko.levonmaa@lge.com>
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
Reviewed-by: Giulio Camuffo <giulio.camuffo@jollamobile.com>

12 files changed, 654 insertions, 178 deletions

diff --git a/src/client/client.pro b/src/client/client.pro
index 6aaa25419..22271ee45 100644
--- a/src/client/client.pro
+++ b/src/client/client.pro
@@ -3,7 +3,9 @@ QT += core-private gui-private
 QT_FOR_PRIVATE += platformsupport-private
 
 MODULE=waylandclient
-MODULE_PLUGIN_TYPES = wayland-graphics-integration-client
+MODULE_PLUGIN_TYPES = \
+            wayland-graphics-integration-client \
+            wayland-inputdevice-integration
 
 load(qt_module)
 
@@ -108,3 +110,4 @@ HEADERS +=  qwaylandintegration_p.h \
 
 include(hardwareintegration/hardwareintegration.pri)
 include(shellintegration/shellintegration.pri)
+include(inputdeviceintegration/inputdeviceintegration.pri)
diff --git a/src/client/inputdeviceintegration/inputdeviceintegration.pri b/src/client/inputdeviceintegration/inputdeviceintegration.pri
new file mode 100644
index 000000000..f16dfc3c9
--- /dev/null
+++ b/src/client/inputdeviceintegration/inputdeviceintegration.pri
@@ -0,0 +1,11 @@
+INCLUDEPATH += $$PWD
+
+SOURCES += \
+           $$PWD/qwaylandinputdeviceintegrationplugin.cpp \
+           $$PWD/qwaylandinputdeviceintegrationfactory.cpp
+
+HEADERS += \
+           $$PWD/qwaylandinputdeviceintegration_p.h \
+           $$PWD/qwaylandinputdeviceintegrationplugin_p.h \
+           $$PWD/qwaylandinputdeviceintegrationfactory_p.h
+
diff --git a/src/client/inputdeviceintegration/qwaylandinputdeviceintegration_p.h b/src/client/inputdeviceintegration/qwaylandinputdeviceintegration_p.h
new file mode 100644
index 000000000..255a66854
--- /dev/null
+++ b/src/client/inputdeviceintegration/qwaylandinputdeviceintegration_p.h
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 LG Electronics Ltd
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWAYLANDINPUTDEVICEINTEGRATION_H
+#define QWAYLANDINPUTDEVICEINTEGRATION_H
+
+#include <QtCore/qglobal.h>
+#include <QtWaylandClient/private/qwaylandclientexport_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandDisplay;
+class QWaylandInputDevice;
+
+class Q_WAYLAND_CLIENT_EXPORT QWaylandInputDeviceIntegration
+{
+public:
+    QWaylandInputDeviceIntegration() {}
+    virtual ~QWaylandInputDeviceIntegration() {}
+
+    virtual QWaylandInputDevice *createInputDevice(QWaylandDisplay *d, uint32_t id) = 0;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWAYLANDINPUTDEVICEINTEGRATION_H
diff --git a/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationfactory.cpp b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationfactory.cpp
new file mode 100644
index 000000000..58a82fb2c
--- /dev/null
+++ b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationfactory.cpp
@@ -0,0 +1,96 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 LG Electronics Ltd
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwaylandinputdeviceintegrationfactory_p.h"
+#include "qwaylandinputdeviceintegrationplugin_p.h"
+#include "qwaylandinputdeviceintegration_p.h"
+#include <QtCore/private/qfactoryloader_p.h>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDir>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_LIBRARY
+Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
+    (QWaylandInputDeviceIntegrationFactoryInterface_iid, QLatin1String("/wayland-inputdevice-integration"), Qt::CaseInsensitive))
+Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, directLoader,
+                          (QWaylandInputDeviceIntegrationFactoryInterface_iid, QLatin1String(""), Qt::CaseInsensitive))
+#endif
+
+QStringList QWaylandInputDeviceIntegrationFactory::keys(const QString &pluginPath)
+{
+#ifndef QT_NO_LIBRARY
+    QStringList list;
+    if (!pluginPath.isEmpty()) {
+        QCoreApplication::addLibraryPath(pluginPath);
+        list = directLoader()->keyMap().values();
+        if (!list.isEmpty()) {
+            const QString postFix = QStringLiteral(" (from ")
+                                    + QDir::toNativeSeparators(pluginPath)
+                                    + QLatin1Char(')');
+            const QStringList::iterator end = list.end();
+            for (QStringList::iterator it = list.begin(); it != end; ++it)
+                (*it).append(postFix);
+        }
+    }
+    list.append(loader()->keyMap().values());
+    return list;
+#else
+    return QStringList();
+#endif
+}
+
+QWaylandInputDeviceIntegration *QWaylandInputDeviceIntegrationFactory::create(const QString &name, const QStringList &args, const QString &pluginPath)
+{
+#ifndef QT_NO_LIBRARY
+    // Try loading the plugin from platformPluginPath first:
+    if (!pluginPath.isEmpty()) {
+        QCoreApplication::addLibraryPath(pluginPath);
+        if (QWaylandInputDeviceIntegration *ret = qLoadPlugin1<QWaylandInputDeviceIntegration, QWaylandInputDeviceIntegrationPlugin>(directLoader(), name, args))
+            return ret;
+    }
+    if (QWaylandInputDeviceIntegration *ret = qLoadPlugin1<QWaylandInputDeviceIntegration, QWaylandInputDeviceIntegrationPlugin>(loader(), name, args))
+        return ret;
+#endif
+    return Q_NULLPTR;
+}
+
+QT_END_NAMESPACE
diff --git a/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationfactory_p.h b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationfactory_p.h
new file mode 100644
index 000000000..13cddc24f
--- /dev/null
+++ b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationfactory_p.h
@@ -0,0 +1,61 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 LG Electronics Ltd
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWAYLANDINPUTDEVICEINTEGRATIONFACTORY_H
+#define QWAYLANDINPUTDEVICEINTEGRATIONFACTORY_H
+
+#include <QtWaylandClient/private/qwaylandclientexport_p.h>
+#include <QtCore/QStringList>
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandInputDeviceIntegration;
+
+class Q_WAYLAND_CLIENT_EXPORT QWaylandInputDeviceIntegrationFactory
+{
+public:
+    static QStringList keys(const QString &pluginPath = QString());
+    static QWaylandInputDeviceIntegration *create(const QString &name, const QStringList &args, const QString &pluginPath = QString());
+};
+
+QT_END_NAMESPACE
+
+#endif // QWAYLANDINPUTDEVICENTEGRATIONFACTORY_H
diff --git a/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationplugin.cpp b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationplugin.cpp
new file mode 100644
index 000000000..71a933254
--- /dev/null
+++ b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationplugin.cpp
@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 LG Electronics Ltd
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwaylandinputdeviceintegrationplugin_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QWaylandInputDeviceIntegrationPlugin::QWaylandInputDeviceIntegrationPlugin(QObject *parent)
+                              : QObject(parent)
+{
+}
+
+QWaylandInputDeviceIntegrationPlugin::~QWaylandInputDeviceIntegrationPlugin()
+{
+}
+
+QT_END_NAMESPACE
diff --git a/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationplugin_p.h b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationplugin_p.h
new file mode 100644
index 000000000..a0a062f4c
--- /dev/null
+++ b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationplugin_p.h
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 LG Electronics Ltd
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWAYLANDINPUTDEVICEINTEGRATIONPLUGIN_H
+#define QWAYLANDINPUTDEVICEINTEGRATIONPLUGIN_H
+
+#include <QtWaylandClient/private/qwaylandclientexport_p.h>
+
+#include <QtCore/qplugin.h>
+#include <QtCore/qfactoryinterface.h>
+#include <QtCore/QObject>
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandInputDeviceIntegration;
+
+#define QWaylandInputDeviceIntegrationFactoryInterface_iid "org.qt-project.Qt.WaylandClient.QWaylandInputDeviceIntegrationFactoryInterface.5.3"
+
+class Q_WAYLAND_CLIENT_EXPORT QWaylandInputDeviceIntegrationPlugin : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QWaylandInputDeviceIntegrationPlugin(QObject *parent = 0);
+    ~QWaylandInputDeviceIntegrationPlugin();
+
+    virtual QWaylandInputDeviceIntegration *create(const QString &key, const QStringList &paramList) = 0;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWAYLANDINPUTDEVICEINTEGRATIONPLUGIN_H
diff --git a/src/client/qwaylanddisplay.cpp b/src/client/qwaylanddisplay.cpp
index edaac8fed..c4a702d74 100644
--- a/src/client/qwaylanddisplay.cpp
+++ b/src/client/qwaylanddisplay.cpp
@@ -241,7 +241,7 @@ void QWaylandDisplay::registry_global(uint32_t id, const QString &interface, uin
     } else if (interface == QStringLiteral("wl_shell")){
         mShell.reset(new QtWayland::wl_shell(registry, id, 1));
     } else if (interface == QStringLiteral("wl_seat")) {
-        QWaylandInputDevice *inputDevice = new QWaylandInputDevice(this, id);
+        QWaylandInputDevice *inputDevice = mWaylandIntegration->createInputDevice(this, id);
         mInputDevices.append(inputDevice);
     } else if (interface == QStringLiteral("wl_data_device_manager")) {
         mDndSelectionHandler.reset(new QWaylandDataDeviceManager(this, id));
diff --git a/src/client/qwaylandinputdevice.cpp b/src/client/qwaylandinputdevice.cpp
index 5198a9e31..4f72d6146 100644
--- a/src/client/qwaylandinputdevice.cpp
+++ b/src/client/qwaylandinputdevice.cpp
@@ -63,170 +63,99 @@
 
 #include <QtGui/QGuiApplication>
 
-#ifndef QT_NO_WAYLAND_XKB
-#include <xkbcommon/xkbcommon.h>
-#include <xkbcommon/xkbcommon-keysyms.h>
-#endif
-
 QT_BEGIN_NAMESPACE
 
-class QWaylandInputDevice::Keyboard : public QtWayland::wl_keyboard
-{
-public:
-    Keyboard(QWaylandInputDevice *p)
-        : mParent(p)
-        , mFocus(0)
+QWaylandInputDevice::Keyboard::Keyboard(QWaylandInputDevice *p)
+    : mParent(p)
+    , mFocus(0)
 #ifndef QT_NO_WAYLAND_XKB
-        , mXkbContext(0)
-        , mXkbMap(0)
-        , mXkbState(0)
+    , mXkbContext(0)
+    , mXkbMap(0)
+    , mXkbState(0)
 #endif
-        , mFocusCallback(0)
-        , mNativeModifiers(0)
-    {
+    , mFocusCallback(0)
+    , mNativeModifiers(0)
+{
+    connect(&mRepeatTimer, SIGNAL(timeout()), this, SLOT(repeatKey()));
+}
+
 #ifndef QT_NO_WAYLAND_XKB
-        xkb_rule_names names;
-        names.rules = strdup("evdev");
-        names.model = strdup("pc105");
-        names.layout = strdup("us");
-        names.variant = strdup("");
-        names.options = strdup("");
-
-        mXkbContext = xkb_context_new(xkb_context_flags(0));
-        if (mXkbContext) {
-            mXkbMap = xkb_map_new_from_names(mXkbContext, &names, xkb_map_compile_flags(0));
-            if (mXkbMap) {
-                mXkbState = xkb_state_new(mXkbMap);
-            }
-        }
+bool QWaylandInputDevice::Keyboard::createDefaultKeyMap()
+{
+    if (mXkbContext && mXkbMap && mXkbState) {
+        return true;
+    }
 
-        if (!mXkbContext || !mXkbMap || !mXkbState)
-            qWarning() << "xkb_map_new_from_names failed, no key input";
-#endif
+    xkb_rule_names names;
+    names.rules = strdup("evdev");
+    names.model = strdup("pc105");
+    names.layout = strdup("us");
+    names.variant = strdup("");
+    names.options = strdup("");
+
+    mXkbContext = xkb_context_new(xkb_context_flags(0));
+    if (mXkbContext) {
+        mXkbMap = xkb_map_new_from_names(mXkbContext, &names, xkb_map_compile_flags(0));
+        if (mXkbMap) {
+            mXkbState = xkb_state_new(mXkbMap);
+        }
     }
-    ~Keyboard()
-    {
-#ifndef QT_NO_WAYLAND_XKB
-        if (mXkbState)
-            xkb_state_unref(mXkbState);
-        if (mXkbMap)
-            xkb_map_unref(mXkbMap);
-        if (mXkbContext)
-            xkb_context_unref(mXkbContext);
-#endif
-        wl_keyboard_destroy(object());
+
+    if (!mXkbContext || !mXkbMap || !mXkbState) {
+        qWarning() << "xkb_map_new_from_names failed, no key input";
+        return false;
     }
+    return true;
+}
 
-    void keyboard_keymap(uint32_t format,
-                         int32_t fd,
-                         uint32_t size) Q_DECL_OVERRIDE;
-    void keyboard_enter(uint32_t time,
-                        struct wl_surface *surface,
-                        struct wl_array *keys) Q_DECL_OVERRIDE;
-    void keyboard_leave(uint32_t time,
-                        struct wl_surface *surface) Q_DECL_OVERRIDE;
-    void keyboard_key(uint32_t serial, uint32_t time,
-                      uint32_t key, uint32_t state) Q_DECL_OVERRIDE;
-    void keyboard_modifiers(uint32_t serial,
-                            uint32_t mods_depressed,
-                            uint32_t mods_latched,
-                            uint32_t mods_locked,
-                            uint32_t group) Q_DECL_OVERRIDE;
-
-    QWaylandInputDevice *mParent;
-    QWaylandWindow *mFocus;
-#ifndef QT_NO_WAYLAND_XKB
-    xkb_context *mXkbContext;
-    xkb_keymap *mXkbMap;
-    xkb_state *mXkbState;
+void QWaylandInputDevice::Keyboard::releaseKeyMap()
+{
+    if (mXkbState)
+        xkb_state_unref(mXkbState);
+    if (mXkbMap)
+        xkb_map_unref(mXkbMap);
+    if (mXkbContext)
+        xkb_context_unref(mXkbContext);
+}
 #endif
-    struct wl_callback *mFocusCallback;
-    uint32_t mNativeModifiers;
 
-    int mRepeatKey;
-    uint32_t mRepeatCode;
-    uint32_t mRepeatTime;
-    QString mRepeatText;
+QWaylandInputDevice::Keyboard::~Keyboard()
+{
 #ifndef QT_NO_WAYLAND_XKB
-    xkb_keysym_t mRepeatSym;
+    releaseKeyMap();
 #endif
+    wl_keyboard_destroy(object());
+}
 
-    static const wl_callback_listener callback;
-    static void focusCallback(void *data, struct wl_callback *callback, uint32_t time);
-};
+void QWaylandInputDevice::Keyboard::stopRepeat()
+{
+    mRepeatTimer.stop();
+}
 
-class QWaylandInputDevice::Pointer : public QtWayland::wl_pointer
+QWaylandInputDevice::Pointer::Pointer(QWaylandInputDevice *p)
+    : mParent(p)
+    , mFocus(0)
+    , mEnterSerial(0)
+    , mCursorSerial(0)
+    , mButtons(0)
 {
-public:
-    Pointer(QWaylandInputDevice *p)
-        : mParent(p)
-        , mFocus(0)
-        , mEnterSerial(0)
-        , mCursorSerial(0)
-        , mButtons(0)
-    {
-    }
-    ~Pointer()
-    {
-        wl_pointer_destroy(object());
-    }
+}
 
-    void pointer_enter(uint32_t serial, struct wl_surface *surface,
-                       wl_fixed_t sx, wl_fixed_t sy) Q_DECL_OVERRIDE;
-    void pointer_leave(uint32_t time, struct wl_surface *surface);
-    void pointer_motion(uint32_t time,
-                        wl_fixed_t sx, wl_fixed_t sy) Q_DECL_OVERRIDE;
-    void pointer_button(uint32_t serial, uint32_t time,
-                        uint32_t button, uint32_t state) Q_DECL_OVERRIDE;
-    void pointer_axis(uint32_t time,
-                      uint32_t axis,
-                      wl_fixed_t value) Q_DECL_OVERRIDE;
-
-    QWaylandInputDevice *mParent;
-    QWaylandWindow *mFocus;
-    uint32_t mEnterSerial;
-    uint32_t mCursorSerial;
-    QPointF mSurfacePos;
-    QPointF mGlobalPos;
-    Qt::MouseButtons mButtons;
-};
+QWaylandInputDevice::Pointer::~Pointer()
+{
+    wl_pointer_destroy(object());
+}
 
-class QWaylandInputDevice::Touch : public QtWayland::wl_touch
+QWaylandInputDevice::Touch::Touch(QWaylandInputDevice *p)
+    : mParent(p)
+    , mFocus(0)
 {
-public:
-    Touch(QWaylandInputDevice *p)
-        : mParent(p)
-        , mFocus(0)
-    {
-    }
-    ~Touch()
-    {
-        wl_touch_destroy(object());
-    }
+}
 
-    void touch_down(uint32_t serial,
-                    uint32_t time,
-                    struct wl_surface *surface,
-                    int32_t id,
-                    wl_fixed_t x,
-                    wl_fixed_t y) Q_DECL_OVERRIDE;
-    void touch_up(uint32_t serial,
-                  uint32_t time,
-                  int32_t id) Q_DECL_OVERRIDE;
-    void touch_motion(uint32_t time,
-                      int32_t id,
-                      wl_fixed_t x,
-                      wl_fixed_t y) Q_DECL_OVERRIDE;
-    void touch_frame() Q_DECL_OVERRIDE;
-    void touch_cancel() Q_DECL_OVERRIDE;
-
-    bool allTouchPointsReleased();
-
-    QWaylandInputDevice *mParent;
-    QWaylandWindow *mFocus;
-    QList<QWindowSystemInterface::TouchPoint> mTouchPoints;
-    QList<QWindowSystemInterface::TouchPoint> mPrevTouchPoints;
-};
+QWaylandInputDevice::Touch::~Touch()
+{
+    wl_touch_destroy(object());
+}
 
 QWaylandInputDevice::QWaylandInputDevice(QWaylandDisplay *display, uint32_t id)
     : QObject()
@@ -246,7 +175,6 @@ QWaylandInputDevice::QWaylandInputDevice(QWaylandDisplay *display, uint32_t id)
         mDataDevice = mQDisplay->dndSelectionHandler()->getDataDevice(this);
     }
 
-    connect(&mRepeatTimer, SIGNAL(timeout()), this, SLOT(repeatKey()));
 }
 
 QWaylandInputDevice::~QWaylandInputDevice()
@@ -261,16 +189,15 @@ void QWaylandInputDevice::seat_capabilities(uint32_t caps)
     mCaps = caps;
 
     if (caps & WL_SEAT_CAPABILITY_KEYBOARD && !mKeyboard) {
-        mKeyboard = new Keyboard(this);
+        mKeyboard = createKeyboard(this);
         mKeyboard->init(get_keyboard());
     } else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && mKeyboard) {
         delete mKeyboard;
         mKeyboard = 0;
-        mRepeatTimer.stop();
     }
 
     if (caps & WL_SEAT_CAPABILITY_POINTER && !mPointer) {
-        mPointer = new Pointer(this);
+        mPointer = createPointer(this);
         mPointer->init(get_pointer());
         pointerSurface = mQDisplay->createSurface(this);
     } else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && mPointer) {
@@ -279,7 +206,7 @@ void QWaylandInputDevice::seat_capabilities(uint32_t caps)
     }
 
     if (caps & WL_SEAT_CAPABILITY_TOUCH && !mTouch) {
-        mTouch = new Touch(this);
+        mTouch = createTouch(this);
         mTouch->init(get_touch());
 
         if (!mTouchDevice) {
@@ -294,13 +221,28 @@ void QWaylandInputDevice::seat_capabilities(uint32_t caps)
     }
 }
 
+QWaylandInputDevice::Keyboard *QWaylandInputDevice::createKeyboard(QWaylandInputDevice *device)
+{
+    return new Keyboard(device);
+}
+
+QWaylandInputDevice::Pointer *QWaylandInputDevice::createPointer(QWaylandInputDevice *device)
+{
+    return new Pointer(device);
+}
+
+QWaylandInputDevice::Touch *QWaylandInputDevice::createTouch(QWaylandInputDevice *device)
+{
+    return new Touch(device);
+}
+
 void QWaylandInputDevice::handleWindowDestroyed(QWaylandWindow *window)
 {
     if (mPointer && window == mPointer->mFocus)
         mPointer->mFocus = 0;
     if (mKeyboard && window == mKeyboard->mFocus) {
         mKeyboard->mFocus = 0;
-        mRepeatTimer.stop();
+        mKeyboard->stopRepeat();
     }
 }
 
@@ -341,20 +283,25 @@ Qt::KeyboardModifiers QWaylandInputDevice::modifiers() const
     if (!mKeyboard)
         return Qt::NoModifier;
 
+    return mKeyboard->modifiers();
+}
+
+Qt::KeyboardModifiers QWaylandInputDevice::Keyboard::modifiers() const
+{
     Qt::KeyboardModifiers ret = Qt::NoModifier;
 
 #ifndef QT_NO_WAYLAND_XKB
     xkb_state_component cstate = static_cast<xkb_state_component>(XKB_STATE_DEPRESSED | XKB_STATE_LATCHED);
 
-    if (xkb_state_mod_name_is_active(mKeyboard->mXkbState, "Shift", cstate))
+    if (xkb_state_mod_name_is_active(mXkbState, "Shift", cstate))
         ret |= Qt::ShiftModifier;
-    if (xkb_state_mod_name_is_active(mKeyboard->mXkbState, "Control", cstate))
+    if (xkb_state_mod_name_is_active(mXkbState, "Control", cstate))
         ret |= Qt::ControlModifier;
-    if (xkb_state_mod_name_is_active(mKeyboard->mXkbState, "Alt", cstate))
+    if (xkb_state_mod_name_is_active(mXkbState, "Alt", cstate))
         ret |= Qt::AltModifier;
-    if (xkb_state_mod_name_is_active(mKeyboard->mXkbState, "Mod1", cstate))
+    if (xkb_state_mod_name_is_active(mXkbState, "Mod1", cstate))
         ret |= Qt::AltModifier;
-    if (xkb_state_mod_name_is_active(mKeyboard->mXkbState, "Mod4", cstate))
+    if (xkb_state_mod_name_is_active(mXkbState, "Mod4", cstate))
         ret |= Qt::MetaModifier;
 #endif
 
@@ -682,6 +629,11 @@ void QWaylandInputDevice::Keyboard::keyboard_keymap(uint32_t format, int32_t fd,
         return;
     }
 
+    // Release the old keymap resources in the case they were already created in
+    // the key event or when the compositor issues a new map
+    releaseKeyMap();
+
+    mXkbContext = xkb_context_new(xkb_context_flags(0));
     mXkbMap = xkb_map_new_from_string(mXkbContext, map_str, XKB_KEYMAP_FORMAT_TEXT_V1, (xkb_keymap_compile_flags)0);
     munmap(map_str, size);
     close(fd);
@@ -731,7 +683,7 @@ void QWaylandInputDevice::Keyboard::keyboard_leave(uint32_t time, struct wl_surf
         mFocusCallback = wl_display_sync(mParent->mDisplay);
         wl_callback_add_listener(mFocusCallback, &QWaylandInputDevice::Keyboard::callback, this);
     }
-    mParent->mRepeatTimer.stop();
+    mRepeatTimer.stop();
 }
 
 const wl_callback_listener QWaylandInputDevice::Keyboard::callback = {
@@ -769,8 +721,9 @@ void QWaylandInputDevice::Keyboard::keyboard_key(uint32_t serial, uint32_t time,
     }
 
 #ifndef QT_NO_WAYLAND_XKB
-    if (!mXkbMap)
+    if (!createDefaultKeyMap()) {
         return;
+    }
 
     const xkb_keysym_t sym = xkb_state_key_get_one_sym(mXkbState, code);
     xkb_state_update_key(mXkbState, code, isDown ? XKB_KEY_DOWN : XKB_KEY_UP);
@@ -807,26 +760,26 @@ void QWaylandInputDevice::Keyboard::keyboard_key(uint32_t serial, uint32_t time,
 #ifndef QT_NO_WAYLAND_XKB
         mRepeatSym = sym;
 #endif
-        mParent->mRepeatTimer.setInterval(400);
-        mParent->mRepeatTimer.start();
+        mRepeatTimer.setInterval(400);
+        mRepeatTimer.start();
     } else if (mRepeatCode == code) {
-        mParent->mRepeatTimer.stop();
+        mRepeatTimer.stop();
     }
 }
 
-void QWaylandInputDevice::repeatKey()
+void QWaylandInputDevice::Keyboard::repeatKey()
 {
     mRepeatTimer.setInterval(25);
-    QWindowSystemInterface::handleExtendedKeyEvent(mKeyboard->mFocus->window(),
-                                                   mKeyboard->mRepeatTime, QEvent::KeyPress, mKeyboard->mRepeatKey,
+    QWindowSystemInterface::handleExtendedKeyEvent(mFocus->window(),
+                                                   mRepeatTime, QEvent::KeyPress, mRepeatKey,
                                                    modifiers(),
-                                                   mKeyboard->mRepeatCode,
+                                                   mRepeatCode,
 #ifndef QT_NO_WAYLAND_XKB
-                                                   mKeyboard->mRepeatSym, mKeyboard->mNativeModifiers,
+                                                   mRepeatSym, mNativeModifiers,
 #else
                                                    0, 0,
 #endif
-                                                   mKeyboard->mRepeatText, true);
+                                                   mRepeatText, true);
 }
 
 void QWaylandInputDevice::Keyboard::keyboard_modifiers(uint32_t serial,
diff --git a/src/client/qwaylandinputdevice_p.h b/src/client/qwaylandinputdevice_p.h
index 23e1fc740..0c6ecfb64 100644
--- a/src/client/qwaylandinputdevice_p.h
+++ b/src/client/qwaylandinputdevice_p.h
@@ -56,15 +56,17 @@
 #include <QtWaylandClient/private/qwayland-wayland.h>
 
 #ifndef QT_NO_WAYLAND_XKB
-struct xkb_context;
-struct xkb_keymap;
-struct xkb_state;
+#include <xkbcommon/xkbcommon.h>
+#include <xkbcommon/xkbcommon-keysyms.h>
 #endif
 
+#include <QtCore/QDebug>
+
 struct wl_cursor_image;
 
 QT_BEGIN_NAMESPACE
 
+
 class QWaylandWindow;
 class QWaylandDisplay;
 class QWaylandDataDevice;
@@ -75,6 +77,10 @@ class Q_WAYLAND_CLIENT_EXPORT QWaylandInputDevice
 {
     Q_OBJECT
 public:
+    class Keyboard;
+    class Pointer;
+    class Touch;
+
     QWaylandInputDevice(QWaylandDisplay *display, uint32_t id);
     ~QWaylandInputDevice();
 
@@ -100,14 +106,11 @@ public:
     uint32_t serial() const;
     uint32_t cursorSerial() const;
 
-private slots:
-    void repeatKey();
+    virtual Keyboard *createKeyboard(QWaylandInputDevice *device);
+    virtual Pointer *createPointer(QWaylandInputDevice *device);
+    virtual Touch *createTouch(QWaylandInputDevice *device);
 
 private:
-    class Keyboard;
-    class Pointer;
-    class Touch;
-
     QWaylandDisplay *mQDisplay;
     struct wl_display *mDisplay;
 
@@ -123,7 +126,6 @@ private:
 
     uint32_t mTime;
     uint32_t mSerial;
-    QTimer mRepeatTimer;
 
     void seat_capabilities(uint32_t caps) Q_DECL_OVERRIDE;
     void handleTouchPoint(int id, double x, double y, Qt::TouchPointState state);
@@ -139,6 +141,127 @@ inline uint32_t QWaylandInputDevice::serial() const
     return mSerial;
 }
 
+
+class Q_WAYLAND_CLIENT_EXPORT QWaylandInputDevice::Keyboard : public QObject, public QtWayland::wl_keyboard
+{
+    Q_OBJECT
+
+public:
+    Keyboard(QWaylandInputDevice *p);
+    virtual ~Keyboard();
+
+    void stopRepeat();
+
+    void keyboard_keymap(uint32_t format,
+                         int32_t fd,
+                         uint32_t size) Q_DECL_OVERRIDE;
+    void keyboard_enter(uint32_t time,
+                        struct wl_surface *surface,
+                        struct wl_array *keys) Q_DECL_OVERRIDE;
+    void keyboard_leave(uint32_t time,
+                        struct wl_surface *surface) Q_DECL_OVERRIDE;
+    void keyboard_key(uint32_t serial, uint32_t time,
+                      uint32_t key, uint32_t state) Q_DECL_OVERRIDE;
+    void keyboard_modifiers(uint32_t serial,
+                            uint32_t mods_depressed,
+                            uint32_t mods_latched,
+                            uint32_t mods_locked,
+                            uint32_t group) Q_DECL_OVERRIDE;
+
+    QWaylandInputDevice *mParent;
+    QWaylandWindow *mFocus;
+#ifndef QT_NO_WAYLAND_XKB
+    xkb_context *mXkbContext;
+    xkb_keymap *mXkbMap;
+    xkb_state *mXkbState;
+#endif
+    struct wl_callback *mFocusCallback;
+    uint32_t mNativeModifiers;
+
+    int mRepeatKey;
+    uint32_t mRepeatCode;
+    uint32_t mRepeatTime;
+    QString mRepeatText;
+#ifndef QT_NO_WAYLAND_XKB
+    xkb_keysym_t mRepeatSym;
+#endif
+    QTimer mRepeatTimer;
+
+    static const wl_callback_listener callback;
+    static void focusCallback(void *data, struct wl_callback *callback, uint32_t time);
+
+    Qt::KeyboardModifiers modifiers() const;
+
+private slots:
+    void repeatKey();
+
+private:
+#ifndef QT_NO_WAYLAND_XKB
+    bool createDefaultKeyMap();
+    void releaseKeyMap();
+#endif
+
+};
+
+class Q_WAYLAND_CLIENT_EXPORT QWaylandInputDevice::Pointer : public QtWayland::wl_pointer
+{
+
+public:
+    Pointer(QWaylandInputDevice *p);
+    virtual ~Pointer();
+
+    void pointer_enter(uint32_t serial, struct wl_surface *surface,
+                       wl_fixed_t sx, wl_fixed_t sy) Q_DECL_OVERRIDE;
+    void pointer_leave(uint32_t time, struct wl_surface *surface);
+    void pointer_motion(uint32_t time,
+                        wl_fixed_t sx, wl_fixed_t sy) Q_DECL_OVERRIDE;
+    void pointer_button(uint32_t serial, uint32_t time,
+                        uint32_t button, uint32_t state) Q_DECL_OVERRIDE;
+    void pointer_axis(uint32_t time,
+                      uint32_t axis,
+                      wl_fixed_t value) Q_DECL_OVERRIDE;
+
+    QWaylandInputDevice *mParent;
+    QWaylandWindow *mFocus;
+    uint32_t mEnterSerial;
+    uint32_t mCursorSerial;
+    QPointF mSurfacePos;
+    QPointF mGlobalPos;
+    Qt::MouseButtons mButtons;
+};
+
+class Q_WAYLAND_CLIENT_EXPORT QWaylandInputDevice::Touch : public QtWayland::wl_touch
+{
+public:
+    Touch(QWaylandInputDevice *p);
+    virtual ~Touch();
+
+    void touch_down(uint32_t serial,
+                    uint32_t time,
+                    struct wl_surface *surface,
+                    int32_t id,
+                    wl_fixed_t x,
+                    wl_fixed_t y) Q_DECL_OVERRIDE;
+    void touch_up(uint32_t serial,
+                  uint32_t time,
+                  int32_t id) Q_DECL_OVERRIDE;
+    void touch_motion(uint32_t time,
+                      int32_t id,
+                      wl_fixed_t x,
+                      wl_fixed_t y) Q_DECL_OVERRIDE;
+    void touch_frame() Q_DECL_OVERRIDE;
+    void touch_cancel() Q_DECL_OVERRIDE;
+
+    bool allTouchPointsReleased();
+
+    QWaylandInputDevice *mParent;
+    QWaylandWindow *mFocus;
+    QList<QWindowSystemInterface::TouchPoint> mTouchPoints;
+    QList<QWindowSystemInterface::TouchPoint> mPrevTouchPoints;
+};
+
+
+
 QT_END_NAMESPACE
 
 #endif
diff --git a/src/client/qwaylandintegration.cpp b/src/client/qwaylandintegration.cpp
index d9bf82e4f..ad99c67b9 100644
--- a/src/client/qwaylandintegration.cpp
+++ b/src/client/qwaylandintegration.cpp
@@ -43,6 +43,7 @@
 
 #include "qwaylanddisplay_p.h"
 #include "qwaylandshmwindow_p.h"
+#include "qwaylandinputdevice_p.h"
 #include "qwaylandinputcontext_p.h"
 #include "qwaylandshmbackingstore_p.h"
 #include "qwaylandnativeinterface_p.h"
@@ -76,6 +77,9 @@
 #include "qwaylandshellintegration_p.h"
 #include "qwaylandshellintegrationfactory_p.h"
 
+#include "qwaylandinputdeviceintegration_p.h"
+#include "qwaylandinputdeviceintegrationfactory_p.h"
+
 QT_BEGIN_NAMESPACE
 
 class GenericWaylandTheme: public QGenericUnixTheme
@@ -113,6 +117,7 @@ public:
 QWaylandIntegration::QWaylandIntegration()
     : mClientBufferIntegration(0)
     , mShellIntegration(Q_NULLPTR)
+    , mInputDeviceIntegration(Q_NULLPTR)
     , mFontDb(new QGenericUnixFontDatabase())
     , mNativeInterface(new QWaylandNativeInterface(this))
 #ifndef QT_NO_ACCESSIBILITY
@@ -124,6 +129,7 @@ QWaylandIntegration::QWaylandIntegration()
     , mServerBufferIntegrationInitialized(false)
     , mShellIntegrationInitialized(false)
 {
+    initializeInputDeviceIntegration();
     mDisplay = new QWaylandDisplay(this);
     mClipboard = new QWaylandClipboard(mDisplay);
     mDrag = new QWaylandDrag(mDisplay);
@@ -361,4 +367,30 @@ void QWaylandIntegration::initializeShellIntegration()
     }
 }
 
+QWaylandInputDevice *QWaylandIntegration::createInputDevice(QWaylandDisplay *display, uint32_t id)
+{
+    if (mInputDeviceIntegration) {
+        return mInputDeviceIntegration->createInputDevice(display, id);
+    }
+    return new QWaylandInputDevice(display, id);
+}
+
+void QWaylandIntegration::initializeInputDeviceIntegration()
+{
+    QByteArray integrationName = qgetenv("QT_WAYLAND_INPUTDEVICE_INTEGRATION");
+    QString targetKey = QString::fromLocal8Bit(integrationName);
+
+    if (targetKey.isEmpty()) {
+        return;
+    }
+
+    QStringList keys = QWaylandInputDeviceIntegrationFactory::keys();
+    if (keys.contains(targetKey)) {
+        mInputDeviceIntegration = QWaylandInputDeviceIntegrationFactory::create(targetKey, QStringList());
+        qDebug("Using the '%s' input device integration", qPrintable(targetKey));
+    } else {
+        qWarning("Wayland inputdevice integration '%s' not found, using default", qPrintable(targetKey));
+    }
+}
+
 QT_END_NAMESPACE
diff --git a/src/client/qwaylandintegration_p.h b/src/client/qwaylandintegration_p.h
index bbe982853..9741b1a78 100644
--- a/src/client/qwaylandintegration_p.h
+++ b/src/client/qwaylandintegration_p.h
@@ -52,6 +52,8 @@ class QWaylandDisplay;
 class QWaylandClientBufferIntegration;
 class QWaylandServerBufferIntegration;
 class QWaylandShellIntegration;
+class QWaylandInputDeviceIntegration;
+class QWaylandInputDevice;
 
 class Q_WAYLAND_CLIENT_EXPORT QWaylandIntegration : public QPlatformIntegration
 {
@@ -89,17 +91,24 @@ public:
 
     QPlatformTheme *createPlatformTheme(const QString &name) const;
 
+    QWaylandInputDevice *createInputDevice(QWaylandDisplay *display, uint32_t id);
+
     virtual QWaylandClientBufferIntegration *clientBufferIntegration() const;
     virtual QWaylandServerBufferIntegration *serverBufferIntegration() const;
     virtual QWaylandShellIntegration *shellIntegration() const;
+
 protected:
     QWaylandClientBufferIntegration *mClientBufferIntegration;
     QWaylandServerBufferIntegration *mServerBufferIntegration;
     QWaylandShellIntegration *mShellIntegration;
+    QWaylandInputDeviceIntegration *mInputDeviceIntegration;
+
 private:
     void initializeClientBufferIntegration();
     void initializeServerBufferIntegration();
     void initializeShellIntegration();
+    void initializeInputDeviceIntegration();
+
     QPlatformFontDatabase *mFontDb;
     QPlatformClipboard *mClipboard;
     QPlatformDrag *mDrag;