Add edit camera controls for 3D edit view

Add edit camera controls and grid helper to 3D edit view.

Task-number: QDS-1127
Change-Id: Ice5ea0fcca18d59dc8a2907710e16c6688b90628
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/cameracontrolhelper.cpp

@@ -0,0 +1,59 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** 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-3.0.html.
+**
+****************************************************************************/
+#include "cameracontrolhelper.h"
+
+namespace QmlDesigner {
+namespace Internal {
+
+CameraControlHelper::CameraControlHelper()
+    : QObject()
+{
+    m_timer.setInterval(16);
+    m_timer.setSingleShot(false);
+    QObject::connect(&m_timer, &QTimer::timeout,
+                     this, &CameraControlHelper::handleUpdateTimer);
+}
+
+bool CameraControlHelper::enabled()
+{
+    return m_enabled;
+}
+
+void CameraControlHelper::handleUpdateTimer()
+{
+    emit updateInputs();
+}
+
+void CameraControlHelper::setEnabled(bool enabled)
+{
+    if (enabled)
+        m_timer.start();
+    else
+        m_timer.stop();
+    m_enabled = enabled;
+}
+
+}
+}

share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/cameracontrolhelper.h

@@ -0,0 +1,57 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** 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-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <QtCore/QObject>
+#include <QtCore/QTimer>
+
+namespace QmlDesigner {
+namespace Internal {
+class CameraControlHelper : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)
+
+public:
+    CameraControlHelper();
+
+    bool enabled();
+    void setEnabled(bool enabled);
+
+public slots:
+    void handleUpdateTimer();
+
+signals:
+    void updateInputs();
+    void enabledChanged(bool enabled);
+
+private:
+    bool m_enabled = false;
+    QTimer m_timer;
+};
+
+}
+}

share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/editor3d.pri

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+HEADERS += $$PWD/cameracontrolhelper.h
+SOURCES += $$PWD/cameracontrolhelper.cpp