InputSettings: backend for QInputSettings added

Change-Id: I4f8ba75e95ab479c816a9f6eca341edd45c01e3c
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

3 files changed, 156 insertions, 2 deletions

diff --git a/src/input/backend/backend.pri b/src/input/backend/backend.pri
index 5f7f7b51b..bb1806cae 100644
--- a/src/input/backend/backend.pri
+++ b/src/input/backend/backend.pri
@@ -28,7 +28,8 @@ HEADERS += \
     $$PWD/keyboardmousegenericdeviceintegration_p.h \
     $$PWD/genericdevicebackendnode_p.h \
     $$PWD/inputchord_p.h \
-    $$PWD/inputsequence_p.h
+    $$PWD/inputsequence_p.h \
+    $$PWD/inputsettings_p.h
 
 SOURCES += \
     $$PWD/keyboardcontroller.cpp \
@@ -55,6 +56,7 @@ SOURCES += \
     $$PWD/keyboardmousegenericdeviceintegration.cpp \
     $$PWD/genericdevicebackendnode.cpp \
     $$PWD/inputchord.cpp \
-    $$PWD/inputsequence.cpp
+    $$PWD/inputsequence.cpp \
+    $$PWD/inputsettings.cpp
 
 INCLUDEPATH += $$PWD
diff --git a/src/input/backend/inputsettings.cpp b/src/input/backend/inputsettings.cpp
new file mode 100644
index 000000000..8352e667c
--- /dev/null
+++ b/src/input/backend/inputsettings.cpp
@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://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.LGPLv3 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.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 later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "inputsettings_p.h"
+#include <Qt3DInput/qinputsettings.h>
+#include <Qt3DCore/qscenepropertychange.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DInput {
+
+namespace Input {
+
+InputSettings::InputSettings()
+    : QBackendNode(QBackendNode::ReadOnly)
+    , m_eventSource(Q_NULLPTR)
+{
+}
+
+void InputSettings::updateFromPeer(Qt3DCore::QNode *peer)
+{
+    QInputSettings *settings = static_cast<QInputSettings *>(peer);
+    m_eventSource = settings->eventSource();
+    // Does it make sense to check for the enabled property for such a node ?
+}
+
+void InputSettings::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
+{
+    if (e->type() == Qt3DCore::NodeUpdated) {
+        Qt3DCore::QScenePropertyChangePtr propertyChange = qSharedPointerCast<Qt3DCore::QScenePropertyChange>(e);
+        if (propertyChange->propertyName() == QByteArrayLiteral("eventSource"))
+            m_eventSource = propertyChange->value().value<QObject *>();
+    }
+}
+
+} // Input
+
+} // Qt3DInput
+
+QT_END_NAMESPACE
diff --git a/src/input/backend/inputsettings_p.h b/src/input/backend/inputsettings_p.h
new file mode 100644
index 000000000..866cc3820
--- /dev/null
+++ b/src/input/backend/inputsettings_p.h
@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://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.LGPLv3 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.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 later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3DINPUT_INPUT_INPUTSETTINGS_H
+#define QT3DINPUT_INPUT_INPUTSETTINGS_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QPointer>
+#include <Qt3DCore/qbackendnode.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DInput {
+
+namespace Input {
+
+class InputSettings : public Qt3DCore::QBackendNode
+{
+public:
+    InputSettings();
+    void updateFromPeer(Qt3DCore::QNode *peer) Q_DECL_OVERRIDE;
+
+protected:
+    void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e) Q_DECL_OVERRIDE;
+
+private:
+    QPointer<QObject> m_eventSource;
+};
+
+} // Input
+
+} // Qt3DInput
+
+QT_END_NAMESPACE
+
+#endif // QT3DINPUT_INPUT_INPUTSETTINGS_H