Integrate Edit3D view into Creator

Edit3D view is now a tab alongside Form Editor.
Buttons were moved to a Creator side task bar on Edit 3D view.

Change-Id: Ia06107e4f855ba512ffea3e628a61558894e800e
Fixes: QDS-1570
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

share/qtcreator/qml/qmlpuppet/commands/commands.pri

@@ -29,9 +29,10 @@ HEADERS += $$PWD/puppetalivecommand.h
 HEADERS += $$PWD/changeselectioncommand.h
 HEADERS += $$PWD/drop3dlibraryitemcommand.h
 HEADERS += $$PWD/update3dviewstatecommand.h
-HEADERS += $$PWD/enable3dviewcommand.h
 HEADERS += $$PWD/view3dclosedcommand.h
 HEADERS += $$PWD/puppettocreatorcommand.h
+HEADERS += $$PWD/inputeventcommand.h
+HEADERS += $$PWD/view3dactioncommand.h
 
 SOURCES += $$PWD/synchronizecommand.cpp
 SOURCES += $$PWD/debugoutputcommand.cpp
@@ -62,6 +63,7 @@ SOURCES += $$PWD/puppetalivecommand.cpp
 SOURCES += $$PWD/changeselectioncommand.cpp
 SOURCES += $$PWD/drop3dlibraryitemcommand.cpp
 SOURCES += $$PWD/update3dviewstatecommand.cpp
-SOURCES += $$PWD/enable3dviewcommand.cpp
 SOURCES += $$PWD/view3dclosedcommand.cpp
 SOURCES += $$PWD/puppettocreatorcommand.cpp
+SOURCES += $$PWD/inputeventcommand.cpp
+SOURCES += $$PWD/view3dactioncommand.cpp

share/qtcreator/qml/qmlpuppet/commands/inputeventcommand.cpp

@@ -0,0 +1,96 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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 "inputeventcommand.h"
+
+#include <QDataStream>
+#include <QDebug>
+
+namespace QmlDesigner {
+
+InputEventCommand::InputEventCommand() = default;
+
+InputEventCommand::InputEventCommand(QInputEvent *e)
+    : m_type(e->type()),
+      m_modifiers(e->modifiers())
+{
+    if (m_type == QEvent::Wheel) {
+        auto we = static_cast<QWheelEvent *>(e);
+#if QT_VERSION <= QT_VERSION_CHECK(5, 15, 0)
+        m_pos = we->pos();
+#else
+        m_pos = we->position().toPoint();
+#endif
+        m_buttons = we->buttons();
+        m_angleDelta = we->angleDelta().y();
+    } else {
+        auto me = static_cast<QMouseEvent *>(e);
+        m_pos = me->pos();
+        m_button = me->button();
+        m_buttons = me->buttons();
+    }
+}
+
+QDataStream &operator<<(QDataStream &out, const InputEventCommand &command)
+{
+    out << command.type();
+    out << command.pos();
+    out << command.button();
+    out << command.buttons();
+    out << command.modifiers();
+    out << command.angleDelta();
+
+    return out;
+}
+
+QDataStream &operator>>(QDataStream &in, InputEventCommand &command)
+{
+    int type;
+    int button;
+    in >> type;
+    command.m_type = (QEvent::Type)type;
+    in >> command.m_pos;
+    in >> button;
+    command.m_button = (Qt::MouseButton)button;
+    in >> command.m_buttons;
+    in >> command.m_modifiers;
+    in >> command.m_angleDelta;
+
+    return in;
+}
+
+QDebug operator <<(QDebug debug, const InputEventCommand &command)
+{
+    return debug.nospace() << "InputEventCommand("
+                           << "type: " << command.type() << ", "
+                           << "pos: " << command.pos() << ", "
+                           << "button: " << command.button() << ", "
+                           << "buttons: " << command.buttons() << ", "
+                           << "modifiers: " << command.modifiers() << ", "
+                           << "angleDelta: " << command.angleDelta() << ")";
+
+}
+
+} // namespace QmlDesigner

share/qtcreator/qml/qmlpuppet/commands/inputeventcommand.h

@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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/qmetatype.h>
+#include <QtCore/qdatastream.h>
+#include <QtGui/qevent.h>
+
+#include "instancecontainer.h"
+
+namespace QmlDesigner {
+
+class InputEventCommand
+{
+    friend QDataStream &operator>>(QDataStream &in, InputEventCommand &command);
+    friend QDebug operator <<(QDebug debug, const InputEventCommand &command);
+
+public:
+    InputEventCommand();
+    explicit InputEventCommand(QInputEvent *e);
+
+    QEvent::Type type() const { return m_type; }
+    QPoint pos() const { return m_pos; }
+    Qt::MouseButton button() const { return m_button; }
+    Qt::MouseButtons buttons() const { return m_buttons; }
+    Qt::KeyboardModifiers modifiers() const { return m_modifiers; }
+    int angleDelta() const { return m_angleDelta; }
+
+private:
+    QEvent::Type m_type;
+    QPoint m_pos;
+    Qt::MouseButton m_button = Qt::NoButton;
+    Qt::MouseButtons m_buttons = Qt::NoButton;
+    Qt::KeyboardModifiers m_modifiers = Qt::NoModifier;
+    int m_angleDelta = 0;
+};
+
+QDataStream &operator<<(QDataStream &out, const InputEventCommand &command);
+QDataStream &operator>>(QDataStream &in, InputEventCommand &command);
+
+QDebug operator <<(QDebug debug, const InputEventCommand &command);
+
+} // namespace QmlDesigner
+
+Q_DECLARE_METATYPE(QmlDesigner::InputEventCommand)

share/qtcreator/qml/qmlpuppet/commands/puppettocreatorcommand.h

@@ -34,7 +34,7 @@ namespace QmlDesigner {
 class PuppetToCreatorCommand
 {
 public:
-    enum Type { KeyPressed, Edit3DToolState, None };
+    enum Type { KeyPressed, Edit3DToolState, Render3DView, ActiveSceneChanged, None };
 
     PuppetToCreatorCommand(Type type, const QVariant &data);
     PuppetToCreatorCommand() = default;

share/qtcreator/qml/qmlpuppet/commands/update3dviewstatecommand.cpp

@@ -45,6 +45,12 @@ Update3dViewStateCommand::Update3dViewStateCommand(bool active, bool hasPopup)
 {
 }
 
+Update3dViewStateCommand::Update3dViewStateCommand(const QSize &size)
+    : m_size(size)
+    , m_type(Update3dViewStateCommand::SizeChange)
+{
+}
+
 Qt::WindowStates Update3dViewStateCommand::previousStates() const
 {
     return m_previousStates;
@@ -65,6 +71,11 @@ bool Update3dViewStateCommand::hasPopup() const
     return m_hasPopup;
 }
 
+QSize Update3dViewStateCommand::size() const
+{
+    return m_size;
+}
+
 Update3dViewStateCommand::Type Update3dViewStateCommand::type() const
 {
     return m_type;
@@ -77,6 +88,7 @@ QDataStream &operator<<(QDataStream &out, const Update3dViewStateCommand &comman
     out << qint32(command.isActive());
     out << qint32(command.hasPopup());
     out << qint32(command.type());
+    out << command.size();
 
     return out;
 }
@@ -94,13 +106,16 @@ QDataStream &operator>>(QDataStream &in, Update3dViewStateCommand &command)
     command.m_active = active;
     command.m_hasPopup = hasPopup;
     command.m_type = Update3dViewStateCommand::Type(type);
+    in >> command.m_size;
 
     return in;
 }
 
 QDebug operator<<(QDebug debug, const Update3dViewStateCommand &command)
 {
-    return debug.nospace() << "Update3dViewStateCommand(type: " << command.m_type << ")";
+    return debug.nospace() << "Update3dViewStateCommand(type: "
+                           << command.m_type << ","
+                           << command.m_size << ")";
 }
 
 } // namespace QmlDesigner

share/qtcreator/qml/qmlpuppet/commands/update3dviewstatecommand.h

@@ -26,6 +26,7 @@
 #pragma once
 
 #include <QMetaType>
+#include <QtCore/qsize.h>
 
 namespace QmlDesigner {
 
@@ -35,10 +36,11 @@ class Update3dViewStateCommand
     friend QDebug operator<<(QDebug debug, const Update3dViewStateCommand &command);
 
 public:
-    enum Type { StateChange, ActiveChange, Empty };
+    enum Type { StateChange, ActiveChange, SizeChange, Empty };
 
     explicit Update3dViewStateCommand(Qt::WindowStates previousStates, Qt::WindowStates currentStates);
     explicit Update3dViewStateCommand(bool active, bool hasPopup);
+    explicit Update3dViewStateCommand(const QSize &size);
     Update3dViewStateCommand() = default;
 
     Qt::WindowStates previousStates() const;
@@ -46,6 +48,7 @@ public:
 
     bool isActive() const;
     bool hasPopup() const;
+    QSize size() const;
 
     Type type() const;
 
@@ -55,6 +58,7 @@ private:
 
     bool m_active = false;
     bool m_hasPopup = false;
+    QSize m_size;
 
     Type m_type = Empty;
 };

share/qtcreator/qml/qmlpuppet/commands/view3dactioncommand.cpp

@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2019 The Qt Company Ltd.
+** Copyright (C) 2020 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of Qt Creator.
@@ -23,43 +23,54 @@
 **
 ****************************************************************************/
 
-#include "enable3dviewcommand.h"
+#include "view3dactioncommand.h"
 
 #include <QDebug>
 #include <QDataStream>
 
 namespace QmlDesigner {
 
-// open / close edit view 3D command
+View3DActionCommand::View3DActionCommand(Type type, bool enable)
-Enable3DViewCommand::Enable3DViewCommand(bool enable)
+    : m_type(type)
-    : m_enable(enable)
+    , m_enabled(enable)
 {
 }
 
-bool Enable3DViewCommand::isEnable() const
+bool View3DActionCommand::isEnabled() const
 {
-    return m_enable;
+    return m_enabled;
 }
 
-QDataStream &operator<<(QDataStream &out, const Enable3DViewCommand &command)
+View3DActionCommand::Type View3DActionCommand::type() const
 {
-    out << qint32(command.isEnable());
+    return m_type;
+}
+
+QDataStream &operator<<(QDataStream &out, const View3DActionCommand &command)
+{
+    out << qint32(command.isEnabled());
+    out << qint32(command.type());
 
     return out;
 }
 
-QDataStream &operator>>(QDataStream &in, Enable3DViewCommand &command)
+QDataStream &operator>>(QDataStream &in, View3DActionCommand &command)
 {
-    qint32 enable;
+    qint32 enabled;
-    in >> enable;
+    qint32 type;
-    command.m_enable = enable;
+    in >> enabled;
+    in >> type;
+    command.m_enabled = bool(enabled);
+    command.m_type = View3DActionCommand::Type(type);
 
     return in;
 }
 
-QDebug operator<<(QDebug debug, const Enable3DViewCommand &command)
+QDebug operator<<(QDebug debug, const View3DActionCommand &command)
 {
-    return debug.nospace() << "Enable3DViewCommand(enable: " << command.m_enable << ")";
+    return debug.nospace() << "View3DActionCommand(type: "
+                           << command.m_type << ","
+                           << command.m_enabled << ")";
 }
 
 } // namespace QmlDesigner

share/qtcreator/qml/qmlpuppet/commands/view3dactioncommand.h

@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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 <QMetaType>
+
+namespace QmlDesigner {
+
+class View3DActionCommand
+{
+    friend QDataStream &operator>>(QDataStream &in, View3DActionCommand &command);
+    friend QDebug operator<<(QDebug debug, const View3DActionCommand &command);
+
+public:
+    enum Type { Empty,
+                MoveTool,
+                ScaleTool,
+                RotateTool,
+                FitToView,
+                SelectionModeToggle,
+                CameraToggle,
+                OrientationToggle,
+                EditLightToggle
+              };
+
+    explicit View3DActionCommand(Type type, bool enable);
+    View3DActionCommand() = default;
+
+    bool isEnabled() const;
+    Type type() const;
+
+private:
+    Type m_type = Empty;
+    bool m_enabled = false;
+};
+
+QDataStream &operator<<(QDataStream &out, const View3DActionCommand &command);
+QDataStream &operator>>(QDataStream &in, View3DActionCommand &command);
+
+QDebug operator<<(QDebug debug, const View3DActionCommand &command);
+
+} // namespace QmlDesigner
+
+Q_DECLARE_METATYPE(QmlDesigner::View3DActionCommand)

share/qtcreator/qml/qmlpuppet/instances/nodeinstanceclientproxy.cpp

@@ -42,7 +42,6 @@
 #include "createinstancescommand.h"
 #include "createscenecommand.h"
 #include "update3dviewstatecommand.h"
-#include "enable3dviewcommand.h"
 #include "changevaluescommand.h"
 #include "changebindingscommand.h"
 #include "changeauxiliarycommand.h"
@@ -57,6 +56,8 @@
 #include "synchronizecommand.h"
 #include "removesharedmemorycommand.h"
 #include "tokencommand.h"
+#include "inputeventcommand.h"
+#include "view3dactioncommand.h"
 
 #include "informationchangedcommand.h"
 #include "pixmapchangedcommand.h"
@@ -328,6 +329,16 @@ QVariant NodeInstanceClientProxy::readCommandFromIOStream(QIODevice *ioDevice, q
     return command;
 }
 
+void NodeInstanceClientProxy::inputEvent(const InputEventCommand &command)
+{
+    nodeInstanceServer()->inputEvent(command);
+}
+
+void NodeInstanceClientProxy::view3DAction(const View3DActionCommand &command)
+{
+    nodeInstanceServer()->view3DAction(command);
+}
+
 void NodeInstanceClientProxy::readDataStream()
 {
     QList<QVariant> commandList;
@@ -386,11 +397,6 @@ void NodeInstanceClientProxy::update3DViewState(const Update3dViewStateCommand &
     nodeInstanceServer()->update3DViewState(command);
 }
 
-void NodeInstanceClientProxy::enable3DView(const Enable3DViewCommand &command)
-{
-    nodeInstanceServer()->enable3DView(command);
-}
-
 void NodeInstanceClientProxy::clearScene(const ClearSceneCommand &command)
 {
     nodeInstanceServer()->clearScene(command);
@@ -479,7 +485,6 @@ void NodeInstanceClientProxy::dispatchCommand(const QVariant &command)
 {
     static const int createInstancesCommandType = QMetaType::type("CreateInstancesCommand");
     static const int update3dViewStateCommand = QMetaType::type("Update3dViewStateCommand");
-    static const int enable3DViewCommandType = QMetaType::type("Enable3DViewCommand");
     static const int changeFileUrlCommandType = QMetaType::type("ChangeFileUrlCommand");
     static const int createSceneCommandType = QMetaType::type("CreateSceneCommand");
     static const int clearSceneCommandType = QMetaType::type("ClearSceneCommand");
@@ -498,15 +503,17 @@ void NodeInstanceClientProxy::dispatchCommand(const QVariant &command)
     static const int tokenCommandType = QMetaType::type("TokenCommand");
     static const int endPuppetCommandType = QMetaType::type("EndPuppetCommand");
     static const int changeSelectionCommandType = QMetaType::type("ChangeSelectionCommand");
+    static const int inputEventCommandType = QMetaType::type("InputEventCommand");
+    static const int view3DActionCommandType = QMetaType::type("View3DActionCommand");
 
     const int commandType = command.userType();
 
-    if (commandType == createInstancesCommandType)
+    if (commandType == inputEventCommandType)
+        inputEvent(command.value<InputEventCommand>());
+    else if (commandType == createInstancesCommandType)
         createInstances(command.value<CreateInstancesCommand>());
     else if (commandType == update3dViewStateCommand)
         update3DViewState(command.value<Update3dViewStateCommand>());
-    else if (commandType == enable3DViewCommandType)
-        enable3DView(command.value<Enable3DViewCommand>());
     else if (commandType == changeFileUrlCommandType)
         changeFileUrl(command.value<ChangeFileUrlCommand>());
     else if (commandType == createSceneCommandType)
@@ -539,6 +546,8 @@ void NodeInstanceClientProxy::dispatchCommand(const QVariant &command)
         redirectToken(command.value<TokenCommand>());
     else if (commandType == endPuppetCommandType)
         redirectToken(command.value<EndPuppetCommand>());
+    else if (commandType == view3DActionCommandType)
+        view3DAction(command.value<View3DActionCommand>());
     else if (commandType == synchronizeCommandType) {
         SynchronizeCommand synchronizeCommand = command.value<SynchronizeCommand>();
         m_synchronizeId = synchronizeCommand.synchronizeId();

share/qtcreator/qml/qmlpuppet/instances/nodeinstanceclientproxy.h

@@ -46,7 +46,6 @@ class CreateInstancesCommand;
 class ClearSceneCommand;
 class ReparentInstancesCommand;
 class Update3dViewStateCommand;
-class Enable3DViewCommand;
 class ChangeFileUrlCommand;
 class ChangeValuesCommand;
 class ChangeAuxiliaryCommand;
@@ -62,6 +61,8 @@ class ChangeSelectionCommand;
 class Drop3DLibraryItemCommand;
 class PuppetToCreatorCommand;
 class View3DClosedCommand;
+class InputEventCommand;
+class View3DActionCommand;
 
 class NodeInstanceClientProxy : public QObject, public NodeInstanceClientInterface
 {
@@ -102,7 +103,6 @@ protected:
     void createScene(const CreateSceneCommand &command);
     void clearScene(const ClearSceneCommand &command);
     void update3DViewState(const Update3dViewStateCommand &command);
-    void enable3DView(const Enable3DViewCommand &command);
     void removeInstances(const RemoveInstancesCommand &command);
     void removeProperties(const RemovePropertiesCommand &command);
     void changePropertyBindings(const ChangeBindingsCommand &command);
@@ -118,6 +118,8 @@ protected:
     void redirectToken(const EndPuppetCommand &command);
     void changeSelection(const ChangeSelectionCommand &command);
     static QVariant readCommandFromIOStream(QIODevice *ioDevice, quint32 *readCommandCounter, quint32 *blockSize);
+    void inputEvent(const InputEventCommand &command);
+    void view3DAction(const View3DActionCommand &command);
 
 protected slots:
     void readDataStream();

share/qtcreator/qml/qmlpuppet/interfaces/nodeinstanceserverinterface.cpp

@@ -33,7 +33,6 @@
 #include "createinstancescommand.h"
 #include "createscenecommand.h"
 #include "update3dviewstatecommand.h"
-#include "enable3dviewcommand.h"
 #include "changevaluescommand.h"
 #include "changebindingscommand.h"
 #include "changeauxiliarycommand.h"
@@ -49,6 +48,8 @@
 #include "changenodesourcecommand.h"
 #include "changeselectioncommand.h"
 #include "drop3dlibraryitemcommand.h"
+#include "inputeventcommand.h"
+#include "view3dactioncommand.h"
 
 #include "informationchangedcommand.h"
 #include "pixmapchangedcommand.h"
@@ -97,9 +98,6 @@ void NodeInstanceServerInterface::registerCommands()
     qRegisterMetaType<Update3dViewStateCommand>("Update3dViewStateCommand");
     qRegisterMetaTypeStreamOperators<Update3dViewStateCommand>("Update3dViewStateCommand");
 
-    qRegisterMetaType<Enable3DViewCommand>("Enable3DViewCommand");
-    qRegisterMetaTypeStreamOperators<Enable3DViewCommand>("Enable3DViewCommand");
-
     qRegisterMetaType<ChangeBindingsCommand>("ChangeBindingsCommand");
     qRegisterMetaTypeStreamOperators<ChangeBindingsCommand>("ChangeBindingsCommand");
 
@@ -214,6 +212,12 @@ void NodeInstanceServerInterface::registerCommands()
     qRegisterMetaType<PuppetToCreatorCommand>("PuppetToCreatorCommand");
     qRegisterMetaTypeStreamOperators<PuppetToCreatorCommand>("PuppetToCreatorCommand");
 
+    qRegisterMetaType<InputEventCommand>("InputEventCommand");
+    qRegisterMetaTypeStreamOperators<InputEventCommand>("InputEventCommand");
+
+    qRegisterMetaType<View3DActionCommand>("View3DActionCommand");
+    qRegisterMetaTypeStreamOperators<View3DActionCommand>("View3DActionCommand");
+
     qRegisterMetaType<QPair<int, int>>("QPairIntInt");
     qRegisterMetaTypeStreamOperators<QPair<int, int>>("QPairIntInt");
 }

share/qtcreator/qml/qmlpuppet/interfaces/nodeinstanceserverinterface.h

@@ -34,7 +34,6 @@ class PropertyBindingContainer;
 class PropertyValueContainer;
 
 class Update3dViewStateCommand;
-class Enable3DViewCommand;
 class ChangeFileUrlCommand;
 class ChangeValuesCommand;
 class ChangeBindingsCommand;
@@ -52,6 +51,8 @@ class ChangeNodeSourceCommand;
 class TokenCommand;
 class RemoveSharedMemoryCommand;
 class ChangeSelectionCommand;
+class InputEventCommand;
+class View3DActionCommand;
 
 class NodeInstanceServerInterface : public QObject
 {
@@ -69,7 +70,6 @@ public:
     virtual void createScene(const CreateSceneCommand &command) = 0;
     virtual void clearScene(const ClearSceneCommand &command) = 0;
     virtual void update3DViewState(const Update3dViewStateCommand &command) = 0;
-    virtual void enable3DView(const Enable3DViewCommand &command) = 0;
     virtual void removeInstances(const RemoveInstancesCommand &command) = 0;
     virtual void removeProperties(const RemovePropertiesCommand &command) = 0;
     virtual void changePropertyBindings(const ChangeBindingsCommand &command) = 0;
@@ -83,6 +83,8 @@ public:
     virtual void token(const TokenCommand &command) = 0;
     virtual void removeSharedMemory(const RemoveSharedMemoryCommand &command) = 0;
     virtual void changeSelection(const ChangeSelectionCommand &command) = 0;
+    virtual void inputEvent(const InputEventCommand &command) = 0;
+    virtual void view3DAction(const View3DActionCommand &command) = 0;
 
     virtual void benchmark(const QString &)
     {}

share/qtcreator/qml/qmlpuppet/mockfiles/EditView3D.qml

@@ -30,16 +30,11 @@ import QtQuick.Controls 2.0
 import QtGraphicalEffects 1.0
 import MouseArea3D 1.0
 
-Window {
+Item {
-    id: viewWindow
+    id: viewRoot
     width: 1024
     height: 768
-    minimumHeight: 200
-    minimumWidth: 200
     visible: true
-    title: qsTr("3D Edit View [") + sceneId + qsTr("]")
-    // need all those flags otherwise the title bar disappears after setting WindowStaysOnTopHint flag later
-    flags: Qt.Window | Qt.WindowTitleHint | Qt.WindowSystemMenuHint | Qt.WindowMinMaxButtonsHint | Qt.WindowCloseButtonHint
 
     property Node activeScene: null
     property View3D editView: null
@@ -48,6 +43,7 @@ Window {
     property alias showEditLight: btnEditViewLight.toggled
     property alias usePerspective: btnPerspective.toggled
     property alias globalOrientation: btnLocalGlobal.toggled
+    property alias contentItem: contentItem
 
     property Node selectedNode: null // This is non-null only in single selection case
     property var selectedNodes: [] // All selected nodes
@@ -57,6 +53,8 @@ Window {
     property var selectionBoxes: []
     property rect viewPortRect: Qt.rect(0, 0, 1000, 1000)
 
+    property bool showButtons: false
+
     signal selectionChanged(var selectedNodes)
     signal commitObjectProperty(var object, var propName)
     signal changeObjectProperty(var object, var propName)
@@ -86,7 +84,7 @@ Window {
                 editView.cameraZoomFactor = Qt.binding(function() {return cameraControl._zoomFactor;});
 
                 selectionBoxes.length = 0;
-                updateToolStates();
+                updateToolStates(_generalHelper.getToolStates(sceneId), true);
             }
         }
     }
@@ -99,54 +97,62 @@ Window {
             _generalHelper.enableItemUpdate(editView, (scene && scene === activeScene));
     }
 
-
+    function fitToView()
-    function restoreWindowState()
     {
-        // It is expected that tool states have been initialized before calling this
+        if (editView) {
-        _generalHelper.restoreWindowState(viewWindow);
+            var targetNode = selectedNodes.length > 0
+                    ? selectionBoxes[0].model : null;
+            cameraControl.focusObject(targetNode, editView.camera.rotation, true);
+        }
     }
 
-    function updateToolStates()
+    // If resetToDefault is true, tool states not specifically set to anything will be reset to
+    // their default state.
+    function updateToolStates(toolStates, resetToDefault)
     {
-        var toolStates = _generalHelper.getToolStates(sceneId);
         if ("showEditLight" in toolStates)
             showEditLight = toolStates.showEditLight;
-        else
+        else if (resetToDefault)
             showEditLight = false;
         if ("usePerspective" in toolStates)
             usePerspective = toolStates.usePerspective;
-        else
+        else if (resetToDefault)
             usePerspective = false;
         if ("globalOrientation" in toolStates)
             globalOrientation = toolStates.globalOrientation;
-        else
+        else if (resetToDefault)
             globalOrientation = false;
 
         var groupIndex;
         var group;
         var i;
-        btnSelectItem.selected = false;
+
-        btnSelectGroup.selected = true;
         if ("groupSelect" in toolStates) {
             groupIndex = toolStates.groupSelect;
             group = toolbarButtons.buttonGroups["groupSelect"];
             for (i = 0; i < group.length; ++i)
                 group[i].selected = (i === groupIndex);
+            _generalHelper.storeToolState(sceneId, "groupSelect", groupIndex)
+        } else if (resetToDefault) {
+            btnSelectItem.selected = true;
+            btnSelectGroup.selected = false;
         }
 
-        btnRotate.selected = false;
-        btnScale.selected = false;
-        btnMove.selected = true;
         if ("groupTransform" in toolStates) {
             groupIndex = toolStates.groupTransform;
             group = toolbarButtons.buttonGroups["groupTransform"];
             for (i = 0; i < group.length; ++i)
                 group[i].selected = (i === groupIndex);
+            _generalHelper.storeToolState(sceneId, "groupTransform", groupIndex)
+        } else if (resetToDefault) {
+            btnRotate.selected = false;
+            btnScale.selected = false;
+            btnMove.selected = true;
         }
 
         if ("editCamState" in toolStates)
             cameraControl.restoreCameraState(toolStates.editCamState);
-        else
+        else if (resetToDefault)
             cameraControl.restoreDefaultState();
     }
 
@@ -324,37 +330,27 @@ Window {
         _generalHelper.requestOverlayUpdate();
     }
 
-    onWidthChanged: {
+    onWidthChanged: _generalHelper.requestOverlayUpdate()
-        _generalHelper.requestOverlayUpdate();
+    onHeightChanged: _generalHelper.requestOverlayUpdate()
-        _generalHelper.storeWindowState(viewWindow);
-    }
-    onHeightChanged: {
-        _generalHelper.requestOverlayUpdate();
-        _generalHelper.storeWindowState(viewWindow);
-
-    }
-    onXChanged: _generalHelper.storeWindowState(viewWindow);
-    onYChanged: _generalHelper.storeWindowState(viewWindow);
-    onWindowStateChanged: _generalHelper.storeWindowState(viewWindow);
 
     Node {
         id: overlayScene
 
         PerspectiveCamera {
             id: overlayPerspectiveCamera
-            clipFar: viewWindow.editView ? viewWindow.editView.perpectiveCamera.clipFar : 1000
+            clipFar: viewRoot.editView ? viewRoot.editView.perpectiveCamera.clipFar : 1000
-            clipNear: viewWindow.editView ? viewWindow.editView.perpectiveCamera.clipNear : 1
+            clipNear: viewRoot.editView ? viewRoot.editView.perpectiveCamera.clipNear : 1
-            position: viewWindow.editView ? viewWindow.editView.perpectiveCamera.position : Qt.vector3d(0, 0, 0)
+            position: viewRoot.editView ? viewRoot.editView.perpectiveCamera.position : Qt.vector3d(0, 0, 0)
-            rotation: viewWindow.editView ? viewWindow.editView.perpectiveCamera.rotation : Qt.vector3d(0, 0, 0)
+            rotation: viewRoot.editView ? viewRoot.editView.perpectiveCamera.rotation : Qt.vector3d(0, 0, 0)
         }
 
         OrthographicCamera {
             id: overlayOrthoCamera
-            clipFar: viewWindow.editView ? viewWindow.editView.orthoCamera.clipFar : 1000
+            clipFar: viewRoot.editView ? viewRoot.editView.orthoCamera.clipFar : 1000
-            clipNear: viewWindow.editView ? viewWindow.editView.orthoCamera.clipNear : 1
+            clipNear: viewRoot.editView ? viewRoot.editView.orthoCamera.clipNear : 1
-            position: viewWindow.editView ? viewWindow.editView.orthoCamera.position : Qt.vector3d(0, 0, 0)
+            position: viewRoot.editView ? viewRoot.editView.orthoCamera.position : Qt.vector3d(0, 0, 0)
-            rotation: viewWindow.editView ? viewWindow.editView.orthoCamera.rotation : Qt.vector3d(0, 0, 0)
+            rotation: viewRoot.editView ? viewRoot.editView.orthoCamera.rotation : Qt.vector3d(0, 0, 0)
-            scale: viewWindow.editView ? viewWindow.editView.orthoCamera.scale : Qt.vector3d(0, 0, 0)
+            scale: viewRoot.editView ? viewRoot.editView.orthoCamera.scale : Qt.vector3d(0, 0, 0)
         }
 
         MouseArea3D {
@@ -366,41 +362,41 @@ Window {
             id: moveGizmo
             scale: autoScale.getScale(Qt.vector3d(5, 5, 5))
             highlightOnHover: true
-            targetNode: viewWindow.selectedNode
+            targetNode: viewRoot.selectedNode
-            globalOrientation: viewWindow.globalOrientation
+            globalOrientation: viewRoot.globalOrientation
-            visible: viewWindow.selectedNode && btnMove.selected
+            visible: viewRoot.selectedNode && btnMove.selected
             view3D: overlayView
             dragHelper: gizmoDragHelper
 
-            onPositionCommit: viewWindow.commitObjectProperty(viewWindow.selectedNode, "position")
+            onPositionCommit: viewRoot.commitObjectProperty(viewRoot.selectedNode, "position")
-            onPositionMove: viewWindow.changeObjectProperty(viewWindow.selectedNode, "position")
+            onPositionMove: viewRoot.changeObjectProperty(viewRoot.selectedNode, "position")
         }
 
         ScaleGizmo {
             id: scaleGizmo
             scale: autoScale.getScale(Qt.vector3d(5, 5, 5))
             highlightOnHover: true
-            targetNode: viewWindow.selectedNode
+            targetNode: viewRoot.selectedNode
-            visible: viewWindow.selectedNode && btnScale.selected
+            visible: viewRoot.selectedNode && btnScale.selected
             view3D: overlayView
             dragHelper: gizmoDragHelper
 
-            onScaleCommit: viewWindow.commitObjectProperty(viewWindow.selectedNode, "scale")
+            onScaleCommit: viewRoot.commitObjectProperty(viewRoot.selectedNode, "scale")
-            onScaleChange: viewWindow.changeObjectProperty(viewWindow.selectedNode, "scale")
+            onScaleChange: viewRoot.changeObjectProperty(viewRoot.selectedNode, "scale")
         }
 
         RotateGizmo {
             id: rotateGizmo
             scale: autoScale.getScale(Qt.vector3d(7, 7, 7))
             highlightOnHover: true
-            targetNode: viewWindow.selectedNode
+            targetNode: viewRoot.selectedNode
-            globalOrientation: viewWindow.globalOrientation
+            globalOrientation: viewRoot.globalOrientation
-            visible: viewWindow.selectedNode && btnRotate.selected
+            visible: viewRoot.selectedNode && btnRotate.selected
             view3D: overlayView
             dragHelper: gizmoDragHelper
 
-            onRotateCommit: viewWindow.commitObjectProperty(viewWindow.selectedNode, "rotation")
+            onRotateCommit: viewRoot.commitObjectProperty(viewRoot.selectedNode, "rotation")
-            onRotateChange: viewWindow.changeObjectProperty(viewWindow.selectedNode, "rotation")
+            onRotateChange: viewRoot.changeObjectProperty(viewRoot.selectedNode, "rotation")
         }
 
         AutoScaleHelper {
@@ -412,31 +408,31 @@ Window {
 
         Line3D {
             id: pivotLine
-            visible: viewWindow.selectedNode
+            visible: viewRoot.selectedNode
             name: "3D Edit View Pivot Line"
             color: "#ddd600"
 
             function flipIfNeeded(vec) {
-                if (!viewWindow.selectedNode || viewWindow.selectedNode.orientation === Node.LeftHanded)
+                if (!viewRoot.selectedNode || viewRoot.selectedNode.orientation === Node.LeftHanded)
                     return vec;
                 else
                     return Qt.vector3d(vec.x, vec.y, -vec.z);
             }
 
-            startPos: viewWindow.selectedNode ? flipIfNeeded(viewWindow.selectedNode.scenePosition)
+            startPos: viewRoot.selectedNode ? flipIfNeeded(viewRoot.selectedNode.scenePosition)
                                               : Qt.vector3d(0, 0, 0)
             Connections {
-                target: viewWindow
+                target: viewRoot
                 onSelectedNodeChanged: {
                     pivotLine.endPos = pivotLine.flipIfNeeded(gizmoDragHelper.pivotScenePosition(
-                                                                  viewWindow.selectedNode));
+                                                                  viewRoot.selectedNode));
                 }
             }
             Connections {
-                target: viewWindow.selectedNode
+                target: viewRoot.selectedNode
                 onSceneTransformChanged: {
                     pivotLine.endPos = pivotLine.flipIfNeeded(gizmoDragHelper.pivotScenePosition(
-                                                                  viewWindow.selectedNode));
+                                                                  viewRoot.selectedNode));
                 }
             }
 
@@ -457,6 +453,10 @@ Window {
         }
     }
 
+    Item {
+        id: contentItem
+        anchors.fill: parent
+
         Rectangle {
             id: viewRect
             anchors.fill: parent
@@ -471,8 +471,8 @@ Window {
                 anchors.fill: parent
                 acceptedButtons: Qt.LeftButton
                 onClicked: {
-                if (viewWindow.editView) {
+                    if (viewRoot.editView) {
-                    var pickResult = viewWindow.editView.pick(mouse.x, mouse.y);
+                        var pickResult = viewRoot.editView.pick(mouse.x, mouse.y);
                         handleObjectClicked(_generalHelper.resolvePick(pickResult.objectHit),
                                             mouse.modifiers & Qt.ControlModifier);
                         if (!pickResult.objectHit)
@@ -512,11 +512,11 @@ Window {
                         text: {
                             var l = Qt.locale();
                             var targetProperty;
-                        if (viewWindow.selectedNode) {
+                            if (viewRoot.selectedNode) {
                                 if (gizmoLabel.targetNode === moveGizmo)
-                                targetProperty = viewWindow.selectedNode.position;
+                                    targetProperty = viewRoot.selectedNode.position;
                                 else
-                                targetProperty = viewWindow.selectedNode.scale;
+                                    targetProperty = viewRoot.selectedNode.scale;
                                 return qsTr("x:") + Number(targetProperty.x).toLocaleString(l, 'f', 1)
                                     + qsTr(" y:") + Number(targetProperty.y).toLocaleString(l, 'f', 1)
                                     + qsTr(" z:") + Number(targetProperty.z).toLocaleString(l, 'f', 1);
@@ -531,10 +531,10 @@ Window {
 
             EditCameraController {
                 id: cameraControl
-            camera: viewWindow.editView ? viewWindow.editView.camera : null
+                camera: viewRoot.editView ? viewRoot.editView.camera : null
                 anchors.fill: parent
-            view3d: viewWindow.editView
+                view3d: viewRoot.editView
-            sceneId: viewWindow.sceneId
+                sceneId: viewRoot.sceneId
             }
         }
 
@@ -543,6 +543,7 @@ Window {
             color: "#9F000000"
             width: 35
             height: toolbarButtons.height
+            visible: viewRoot.showButtons
 
             Column {
                 id: toolbarButtons
@@ -564,7 +565,7 @@ Window {
                     currentShortcut: selected ? "" : shortcut
                     tool: "item_selection"
                     buttonGroup: "groupSelect"
-                sceneId: viewWindow.sceneId
+                    sceneId: viewRoot.sceneId
                 }
 
                 ToolBarButton {
@@ -574,7 +575,7 @@ Window {
                     currentShortcut: btnSelectItem.currentShortcut === shortcut ? "" : shortcut
                     tool: "group_selection"
                     buttonGroup: "groupSelect"
-                sceneId: viewWindow.sceneId
+                    sceneId: viewRoot.sceneId
                 }
 
                 Rectangle { // separator
@@ -592,7 +593,7 @@ Window {
                     currentShortcut: shortcut
                     tool: "move"
                     buttonGroup: "groupTransform"
-                sceneId: viewWindow.sceneId
+                    sceneId: viewRoot.sceneId
                 }
 
                 ToolBarButton {
@@ -602,7 +603,7 @@ Window {
                     currentShortcut: shortcut
                     tool: "rotate"
                     buttonGroup: "groupTransform"
-                sceneId: viewWindow.sceneId
+                    sceneId: viewRoot.sceneId
                 }
 
                 ToolBarButton {
@@ -612,7 +613,7 @@ Window {
                     currentShortcut: shortcut
                     tool: "scale"
                     buttonGroup: "groupTransform"
-                sceneId: viewWindow.sceneId
+                    sceneId: viewRoot.sceneId
                 }
 
                 Rectangle { // separator
@@ -631,11 +632,8 @@ Window {
                     togglable: false
 
                     onSelectedChanged: {
-                    if (viewWindow.editView && selected) {
+                        if (selected)
-                        var targetNode = viewWindow.selectedNodes.length > 0
+                            viewRoot.fitToView();
-                                ? selectionBoxes[0].model : null;
-                        cameraControl.focusObject(targetNode, viewWindow.editView.camera.rotation, true);
-                    }
                     }
                 }
             }
@@ -647,7 +645,7 @@ Window {
             width: 100
             height: width
             editCameraCtrl: cameraControl
-        selectedNode : viewWindow.selectedNodes.length ? selectionBoxes[0].model : null
+            selectedNode : viewRoot.selectedNodes.length ? selectionBoxes[0].model : null
         }
 
         Rectangle { // top controls bar
@@ -657,6 +655,7 @@ Window {
             anchors.top: parent.top
             anchors.right: parent.right
             anchors.rightMargin: 100
+            visible: viewRoot.showButtons
 
             Row {
                 padding: 5
@@ -683,17 +682,6 @@ Window {
                     states: [{iconId: "edit_light_off",  text: qsTr("Edit Light Off")}, {iconId: "edit_light_on", text: qsTr("Edit Light On")}]
                 }
             }
-
         }
-
-    Text {
-        id: helpText
-
-        property string modKey: _generalHelper.isMacOS ? qsTr("Option") : qsTr("Alt")
-
-        color: "white"
-        text: qsTr("Camera controls: ") + modKey
-              + qsTr(" + mouse press and drag. Left: Rotate, Middle: Pan, Right/Wheel: Zoom.")
-        anchors.bottom: parent.bottom
     }
 }

share/qtcreator/qml/qmlpuppet/mockfiles/EditWindow3D.qml

@@ -0,0 +1,50 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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.
+**
+****************************************************************************/
+
+import QtQuick 2.12
+import QtQuick.Window 2.12
+
+Window {
+    id: viewWindow
+    width: 1024
+    height: 768
+    visible: true
+    title: qsTr("3D Edit View [") + sceneId + qsTr("]")
+    // need all those flags otherwise the title bar disappears after setting WindowStaysOnTopHint flag later
+    flags: Qt.Window | Qt.WindowTitleHint | Qt.WindowSystemMenuHint | Qt.WindowMinMaxButtonsHint | Qt.WindowCloseButtonHint
+
+    property alias editViewRoot: windowContentItem
+
+    onWidthChanged: _generalHelper.storeWindowState();
+    onHeightChanged: _generalHelper.storeWindowState();
+    onXChanged: _generalHelper.storeWindowState();
+    onYChanged: _generalHelper.storeWindowState();
+    onWindowStateChanged: _generalHelper.storeWindowState();
+
+    EditView3D {
+        id: windowContentItem
+        anchors.fill: parent
+    }
+}

share/qtcreator/qml/qmlpuppet/mockfiles/IconGizmo.qml

@@ -45,7 +45,7 @@ Node {
     }
 
     property alias iconSource: iconImage.source
-    property alias overlayColor: colorOverlay.color
+    //property alias overlayColor: colorOverlay.color
 
     signal positionCommit()
     signal clicked(Node node, bool multi)
@@ -94,15 +94,15 @@ Node {
                     acceptedButtons: Qt.LeftButton
                 }
             }
-            ColorOverlay {
+// ColorOverlay doesn't work correctly with hidden windows so commenting it out for now
-                id: colorOverlay
+//            ColorOverlay {
-                anchors.fill: parent
+//                id: colorOverlay
-                cached: true
+//                anchors.fill: parent
-                source: iconImage
+//                cached: true
-                color: "transparent"
+//                source: iconImage
-                opacity: 0.6
+//                color: "#00000000"
-            }
+//                opacity: 0.6
-
+//            }
         }
     }
 }

share/qtcreator/qml/qmlpuppet/mockfiles/LightGizmo.qml

@@ -37,5 +37,6 @@ IconGizmo {
                     : "qrc:///qtquickplugin/mockfiles/images/point_light_gradient.png"
                 : "qrc:///qtquickplugin/mockfiles/images/point_light_gradient.png"
 
-    overlayColor: targetNode ? targetNode.color : "transparent"
+    // ColorOverlay doesn't work correctly with hidden windows so commenting it out for now
+    //overlayColor: targetNode ? targetNode.color : "transparent"
 }

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

@@ -48,7 +48,7 @@
 namespace QmlDesigner {
 namespace Internal {
 
-const QString globalStateId = QStringLiteral("@GTS"); // global tool state
+const QString _globalStateId = QStringLiteral("@GTS"); // global tool state
 
 GeneralHelper::GeneralHelper()
     : QObject()
@@ -260,37 +260,42 @@ void GeneralHelper::initToolStates(const QString &sceneId, const QVariantMap &to
     m_toolStates[sceneId] = toolStates;
 }
 
-void GeneralHelper::storeWindowState(QQuickWindow *w)
+void GeneralHelper::storeWindowState()
 {
+    if (!m_edit3DWindow)
+        return;
+
     QVariantMap windowState;
-    const QRect geometry = w->geometry();
+    const QRect geometry = m_edit3DWindow->geometry();
-    const bool maximized = w->windowState() == Qt::WindowMaximized;
+    const bool maximized = m_edit3DWindow->windowState() == Qt::WindowMaximized;
     windowState.insert("maximized", maximized);
     windowState.insert("geometry", geometry);
 
-    storeToolState(globalStateId, "windowState", windowState, 500);
+    storeToolState(globalStateId(), "windowState", windowState, 500);
 }
 
-void GeneralHelper::restoreWindowState(QQuickWindow *w)
+void GeneralHelper::restoreWindowState()
 {
-    if (m_toolStates.contains(globalStateId)) {
+    if (!m_edit3DWindow)
-        const QVariantMap &globalStateMap = m_toolStates[globalStateId];
+        return;
+
+    if (m_toolStates.contains(globalStateId())) {
+        const QVariantMap &globalStateMap = m_toolStates[globalStateId()];
         const QString stateKey = QStringLiteral("windowState");
         if (globalStateMap.contains(stateKey)) {
             QVariantMap windowState = globalStateMap[stateKey].value<QVariantMap>();
 
-            doRestoreWindowState(w, windowState);
+            doRestoreWindowState(windowState);
 
             // If the mouse cursor at puppet launch time is in a different screen than the one where the
             // view geometry was saved on, the initial position and size can be incorrect, but if
             // we reset the geometry again asynchronously, it should end up with correct geometry.
-            QTimer::singleShot(0, [this, w, windowState]() {
+            QTimer::singleShot(0, [this, windowState]() {
-                doRestoreWindowState(w, windowState);
+                doRestoreWindowState(windowState);
-
+                QTimer::singleShot(0, [this]() {
-                QTimer::singleShot(0, [w]() {
                     // Make sure that the window is at least partially visible on the screen
-                    QRect geo = w->geometry();
+                    QRect geo = m_edit3DWindow->geometry();
-                    QRect sRect = w->screen()->geometry();
+                    QRect sRect = m_edit3DWindow->screen()->geometry();
                     if (geo.left() > sRect.right() - 150)
                         geo.moveRight(sRect.right());
                     if (geo.right() < sRect.left() + 150)
@@ -303,7 +308,7 @@ void GeneralHelper::restoreWindowState(QQuickWindow *w)
                         geo.setWidth(sRect.width());
                     if (geo.height() > sRect.height())
                         geo.setHeight(sRect.height());
-                    w->setGeometry(geo);
+                    m_edit3DWindow->setGeometry(geo);
                 });
             });
         }
@@ -324,7 +329,17 @@ QVariantMap GeneralHelper::getToolStates(const QString &sceneId)
     return {};
 }
 
-void GeneralHelper::doRestoreWindowState(QQuickWindow *w, const QVariantMap &windowState)
+void GeneralHelper::setEdit3DWindow(QQuickWindow *w)
+{
+    m_edit3DWindow = w;
+}
+
+QString GeneralHelper::globalStateId() const
+{
+    return _globalStateId;
+}
+
+void GeneralHelper::doRestoreWindowState(const QVariantMap &windowState)
 {
     const QString geoKey = QStringLiteral("geometry");
     if (windowState.contains(geoKey)) {
@@ -335,9 +350,9 @@ void GeneralHelper::doRestoreWindowState(QQuickWindow *w, const QVariantMap &win
 
         QRect rect = windowState[geoKey].value<QRect>();
 
-        w->setGeometry(rect);
+        m_edit3DWindow->setGeometry(rect);
         if (maximized)
-            w->showMaximized();
+            m_edit3DWindow->showMaximized();
     }
 }
 

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

@@ -30,6 +30,7 @@
 #include <QtCore/qobject.h>
 #include <QtCore/qtimer.h>
 #include <QtCore/qhash.h>
+#include <QtCore/qpointer.h>
 #include <QtGui/qvector3d.h>
 #include <QtGui/qmatrix4x4.h>
 
@@ -74,10 +75,12 @@ public:
     Q_INVOKABLE void storeToolState(const QString &sceneId, const QString &tool,
                                     const QVariant &state, int delayEmit = 0);
     void initToolStates(const QString &sceneId, const QVariantMap &toolStates);
-    Q_INVOKABLE void storeWindowState(QQuickWindow *w);
+    Q_INVOKABLE void storeWindowState();
-    void restoreWindowState(QQuickWindow *w);
+    void restoreWindowState();
     Q_INVOKABLE void enableItemUpdate(QQuickItem *item, bool enable);
     Q_INVOKABLE QVariantMap getToolStates(const QString &sceneId);
+    void setEdit3DWindow(QQuickWindow *w);
+    QString globalStateId() const;
 
     bool isMacOS() const;
 
@@ -86,7 +89,7 @@ signals:
     void toolStateChanged(const QString &sceneId, const QString &tool, const QVariant &toolState);
 
 private slots:
-    void doRestoreWindowState(QQuickWindow *w, const QVariantMap &windowState);
+    void doRestoreWindowState(const QVariantMap &windowState);
 
 private:
     void handlePendingToolStateUpdate();
@@ -95,6 +98,7 @@ private:
     QTimer m_toolStateUpdateTimer;
     QHash<QString, QVariantMap> m_toolStates;
     QHash<QString, QVariantMap> m_toolStatesPending;
+    QPointer<QQuickWindow> m_edit3DWindow;
 };
 
 }

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp

@@ -68,6 +68,8 @@
 #include <removesharedmemorycommand.h>
 #include <changeselectioncommand.h>
 #include <drop3dlibraryitemcommand.h>
+#include <inputeventcommand.h>
+#include <view3dactioncommand.h>
 
 #include <QDebug>
 #include <QQmlEngine>
@@ -336,10 +338,6 @@ void NodeInstanceServer::update3DViewState(const Update3dViewStateCommand &/*com
 {
 }
 
-void NodeInstanceServer::enable3DView(const Enable3DViewCommand &/*command*/)
-{
-}
-
 void NodeInstanceServer::changeSelection(const ChangeSelectionCommand & /*command*/)
 {
 }
@@ -1395,6 +1393,16 @@ QStringList NodeInstanceServer::dummyDataDirectories(const QString& directoryPat
     }
 }
 
+void NodeInstanceServer::inputEvent(const InputEventCommand &command)
+{
+    Q_UNUSED(command)
+}
+
+void NodeInstanceServer::view3DAction(const View3DActionCommand &command)
+{
+    Q_UNUSED(command)
+}
+
 }
 
 

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.h

@@ -102,7 +102,6 @@ public:
     void createScene(const CreateSceneCommand &command) override;
     void clearScene(const ClearSceneCommand &command) override;
     void update3DViewState(const Update3dViewStateCommand &command) override;
-    void enable3DView(const Enable3DViewCommand &command) override;
     void removeInstances(const RemoveInstancesCommand &command) override;
     void removeProperties(const RemovePropertiesCommand &command) override;
     void reparentInstances(const ReparentInstancesCommand &command) override;
@@ -112,6 +111,8 @@ public:
     void token(const TokenCommand &command) override;
     void removeSharedMemory(const RemoveSharedMemoryCommand &command) override;
     void changeSelection(const ChangeSelectionCommand &command) override;
+    void inputEvent(const InputEventCommand &command) override;
+    void view3DAction(const View3DActionCommand &command) override;
 
     ServerNodeInstance instanceForId(qint32 id) const;
     bool hasInstanceForId(qint32 id) const;

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5informationnodeinstanceserver.cpp

@@ -41,7 +41,6 @@
 #include "clearscenecommand.h"
 #include "reparentinstancescommand.h"
 #include "update3dviewstatecommand.h"
-#include "enable3dviewcommand.h"
 #include "changevaluescommand.h"
 #include "changebindingscommand.h"
 #include "changeidscommand.h"
@@ -63,6 +62,8 @@
 #include "drop3dlibraryitemcommand.h"
 #include "puppettocreatorcommand.h"
 #include "view3dclosedcommand.h"
+#include "inputeventcommand.h"
+#include "view3dactioncommand.h"
 
 #include "dummycontextobject.h"
 #include "../editor3d/generalhelper.h"
@@ -73,6 +74,7 @@
 #include "../editor3d/linegeometry.h"
 
 #include <designersupportdelegate.h>
+#include <qmlprivategate.h>
 
 #include <QVector3D>
 #include <QQmlProperty>
@@ -80,6 +82,8 @@
 #include <QQuickView>
 #include <QQmlContext>
 #include <QQmlEngine>
+#include <QtGui/qevent.h>
+#include <QtGui/qguiapplication.h>
 
 #ifdef QUICK3D_MODULE
 #include <QtQuick3D/private/qquick3dnode_p.h>
@@ -165,53 +169,72 @@ bool Qt5InformationNodeInstanceServer::dropAcceptable(QDragMoveEvent *event) con
     return canBeDropped == "true" || canBeDropped == "True";
 }
 
-QObject *Qt5InformationNodeInstanceServer::createEditView3D(QQmlEngine *engine)
+void Qt5InformationNodeInstanceServer::createEditView3D()
 {
 #ifdef QUICK3D_MODULE
-    auto helper = new QmlDesigner::Internal::GeneralHelper();
+    static bool showEditView = qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_SHOW_EDIT_WINDOW");
-    QObject::connect(helper, &QmlDesigner::Internal::GeneralHelper::toolStateChanged,
+
-                     this, &Qt5InformationNodeInstanceServer::handleToolStateChanged);
-    engine->rootContext()->setContextProperty("_generalHelper", helper);
-    m_3dHelper = helper;
     qmlRegisterType<QmlDesigner::Internal::MouseArea3D>("MouseArea3D", 1, 0, "MouseArea3D");
     qmlRegisterType<QmlDesigner::Internal::CameraGeometry>("CameraGeometry", 1, 0, "CameraGeometry");
     qmlRegisterType<QmlDesigner::Internal::GridGeometry>("GridGeometry", 1, 0, "GridGeometry");
     qmlRegisterType<QmlDesigner::Internal::SelectionBoxGeometry>("SelectionBoxGeometry", 1, 0, "SelectionBoxGeometry");
     qmlRegisterType<QmlDesigner::Internal::LineGeometry>("LineGeometry", 1, 0, "LineGeometry");
-#endif
 
-    QQmlComponent component(engine, QUrl("qrc:/qtquickplugin/mockfiles/EditView3D.qml"));
+    auto helper = new QmlDesigner::Internal::GeneralHelper();
+    QObject::connect(helper, &QmlDesigner::Internal::GeneralHelper::toolStateChanged,
+                     this, &Qt5InformationNodeInstanceServer::handleToolStateChanged);
+    engine()->rootContext()->setContextProperty("_generalHelper", helper);
+    m_3dHelper = helper;
 
-    QWindow *window = qobject_cast<QWindow *>(component.create());
+    QQmlComponent component(engine());
+    if (showEditView) {
+        component.loadUrl(QUrl("qrc:/qtquickplugin/mockfiles/EditWindow3D.qml"));
+        m_editWindow3D = qobject_cast<QQuickWindow *>(component.create());
+        m_editView3DRootItem = QQmlProperty::read(m_editWindow3D, "editViewRoot").value<QQuickItem *>();
 
-    if (!window) {
+        //For macOS we have to use the 4.1 core profile
-        qWarning() << "Could not create edit view 3D: " << component.errors();
+        QSurfaceFormat surfaceFormat = m_editWindow3D->requestedFormat();
-        return nullptr;
+        surfaceFormat.setVersion(4, 1);
+        surfaceFormat.setProfile(QSurfaceFormat::CoreProfile);
+        m_editWindow3D->setFormat(surfaceFormat);
+    } else {
+        m_editView3D = new QQuickView(quickView()->engine(), quickView());
+        m_editView3D->setFormat(quickView()->format());
+        DesignerSupport::createOpenGLContext(m_editView3D.data());
+        component.loadUrl(QUrl("qrc:/qtquickplugin/mockfiles/EditView3D.qml"));
+        m_editView3DRootItem = qobject_cast<QQuickItem *>(component.create());
     }
 
-    window->installEventFilter(this);
+    if (!m_editView3DRootItem) {
-    QObject::connect(window, SIGNAL(selectionChanged(QVariant)),
+        qWarning() << "Could not create edit view 3D: " << component.errors();
+        return;
+    }
+
+    if (!showEditView) {
+        DesignerSupport::setRootItem(m_editView3D, m_editView3DRootItem);
+    } else {
+        m_editView3DRootItem->installEventFilter(this);
+        QQmlProperty showButtonsProperty(m_editView3DRootItem, "showButtons", context());
+        showButtonsProperty.write(QVariant(true));
+    }
+
+    QObject::connect(m_editView3DRootItem, SIGNAL(selectionChanged(QVariant)),
                      this, SLOT(handleSelectionChanged(QVariant)));
-    QObject::connect(window, SIGNAL(commitObjectProperty(QVariant, QVariant)),
+    QObject::connect(m_editView3DRootItem, SIGNAL(commitObjectProperty(QVariant, QVariant)),
                      this, SLOT(handleObjectPropertyCommit(QVariant, QVariant)));
-    QObject::connect(window, SIGNAL(changeObjectProperty(QVariant, QVariant)),
+    QObject::connect(m_editView3DRootItem, SIGNAL(changeObjectProperty(QVariant, QVariant)),
                      this, SLOT(handleObjectPropertyChange(QVariant, QVariant)));
     QObject::connect(&m_propertyChangeTimer, &QTimer::timeout,
                      this, &Qt5InformationNodeInstanceServer::handleObjectPropertyChangeTimeout);
     QObject::connect(&m_selectionChangeTimer, &QTimer::timeout,
                      this, &Qt5InformationNodeInstanceServer::handleSelectionChangeTimeout);
+    QObject::connect(&m_renderTimer, &QTimer::timeout,
+                     this, &Qt5InformationNodeInstanceServer::doRender3DEditView);
 
-    //For macOS we have to use the 4.1 core profile
+    helper->setParent(m_editView3DRootItem);
-    QSurfaceFormat surfaceFormat = window->requestedFormat();
+    if (showEditView)
-    surfaceFormat.setVersion(4, 1);
+        helper->setEdit3DWindow(m_editWindow3D);
-    surfaceFormat.setProfile(QSurfaceFormat::CoreProfile);
-    window->setFormat(surfaceFormat);
-
-#ifdef QUICK3D_MODULE
-    helper->setParent(window);
 #endif
-
-    return window;
 }
 
 // The selection has changed in the edit view 3D. Empty list indicates selection is cleared.
@@ -357,10 +380,10 @@ void Qt5InformationNodeInstanceServer::handleNode3DDestroyed(QObject *obj)
 {
 #ifdef QUICK3D_MODULE
     if (qobject_cast<QQuick3DCamera *>(obj)) {
-        QMetaObject::invokeMethod(m_editView3D, "releaseCameraGizmo",
+        QMetaObject::invokeMethod(m_editView3DRootItem, "releaseCameraGizmo",
                                   Q_ARG(QVariant, objectToVariant(obj)));
     } else if (qobject_cast<QQuick3DAbstractLight *>(obj)) {
-        QMetaObject::invokeMethod(m_editView3D, "releaseLightGizmo",
+        QMetaObject::invokeMethod(m_editView3DRootItem, "releaseLightGizmo",
                                   Q_ARG(QVariant, objectToVariant(obj)));
     }
     removeNode3D(obj);
@@ -376,29 +399,41 @@ void Qt5InformationNodeInstanceServer::updateView3DRect(QObject *view3D)
         viewPortrect = QRectF(0., 0., view3D->property("width").toDouble(),
                               view3D->property("height").toDouble());
     }
-    QQmlProperty viewPortProperty(m_editView3D, "viewPortRect", context());
+    QQmlProperty viewPortProperty(m_editView3DRootItem, "viewPortRect", context());
     viewPortProperty.write(viewPortrect);
 }
 
 void Qt5InformationNodeInstanceServer::updateActiveSceneToEditView3D()
 {
+#ifdef QUICK3D_MODULE
     // Active scene change handling on qml side is async, so a deleted importScene would crash
     // editView when it updates next. Disable/enable edit view update synchronously to avoid this.
     QVariant activeSceneVar = objectToVariant(m_active3DScene);
-    QMetaObject::invokeMethod(m_editView3D, "enableEditViewUpdate",
+    QMetaObject::invokeMethod(m_editView3DRootItem, "enableEditViewUpdate",
                               Q_ARG(QVariant, activeSceneVar));
 
     ServerNodeInstance sceneInstance = active3DSceneInstance();
-    QVariant sceneInstanceVar;
+    QVariant sceneIdVar;
-    QQmlProperty sceneIdProperty(m_editView3D, "sceneId", context());
+    QQmlProperty sceneIdProperty(m_editView3DRootItem, "sceneId", context());
+    const QString sceneId = sceneInstance.id();
     if (sceneInstance.isValid())
-        sceneInstanceVar = QVariant::fromValue(sceneInstance.id());
+        sceneIdVar = QVariant::fromValue(sceneId);
-    sceneIdProperty.write(sceneInstanceVar);
+    sceneIdProperty.write(sceneIdVar);
 
-    QQmlProperty sceneProperty(m_editView3D, "activeScene", context());
+    QQmlProperty sceneProperty(m_editView3DRootItem, "activeScene", context());
     sceneProperty.write(activeSceneVar);
 
+    auto helper = qobject_cast<QmlDesigner::Internal::GeneralHelper *>(m_3dHelper);
+    QVariantMap toolStates;
+    if (helper)
+        toolStates = helper->getToolStates(sceneId);
+    toolStates.insert("sceneInstanceId", QVariant::fromValue(sceneInstance.instanceId()));
+
+    nodeInstanceClient()->handlePuppetToCreatorCommand({PuppetToCreatorCommand::ActiveSceneChanged,
+                                                        toolStates});
+
     updateView3DRect(m_active3DView);
+#endif
 }
 
 void Qt5InformationNodeInstanceServer::removeNode3D(QObject *node)
@@ -439,11 +474,11 @@ void Qt5InformationNodeInstanceServer::resolveSceneRoots()
 
         if (newRoot != oldRoot) {
             if (qobject_cast<QQuick3DCamera *>(node)) {
-                QMetaObject::invokeMethod(m_editView3D, "updateCameraGizmoScene",
+                QMetaObject::invokeMethod(m_editView3DRootItem, "updateCameraGizmoScene",
                                           Q_ARG(QVariant, objectToVariant(newRoot)),
                                           Q_ARG(QVariant, objectToVariant(node)));
             } else if (qobject_cast<QQuick3DAbstractLight *>(node)) {
-                QMetaObject::invokeMethod(m_editView3D, "updateLightGizmoScene",
+                QMetaObject::invokeMethod(m_editView3DRootItem, "updateLightGizmoScene",
                                           Q_ARG(QVariant, objectToVariant(newRoot)),
                                           Q_ARG(QVariant, objectToVariant(node)));
             }
@@ -467,11 +502,65 @@ ServerNodeInstance Qt5InformationNodeInstanceServer::active3DSceneInstance() con
     return sceneInstance;
 }
 
+void Qt5InformationNodeInstanceServer::render3DEditView()
+{
+    m_needRender = true;
+    if (!m_renderTimer.isActive())
+        m_renderTimer.start(0);
+}
+
+// render the 3D edit view and send the result to creator process
+void Qt5InformationNodeInstanceServer::doRender3DEditView()
+{
+    static bool showEditView = qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_SHOW_EDIT_WINDOW");
+    if (m_editView3DRootItem && !showEditView) {
+        auto t = std::chrono::steady_clock::now();
+        if (!m_editView3DContentItem) {
+            m_editView3DContentItem = QQmlProperty::read(m_editView3DRootItem, "contentItem").value<QQuickItem *>();
+            if (m_editView3DContentItem) {
+                designerSupport()->refFromEffectItem(m_editView3DContentItem, false);
+                QmlDesigner::Internal::QmlPrivateGate::disableNativeTextRendering(m_editView3DContentItem);
+            }
+        }
+
+        std::function<void (QQuickItem *)> updateNodesRecursive;
+        updateNodesRecursive = [&updateNodesRecursive](QQuickItem *item) {
+            for (QQuickItem *childItem : item->childItems())
+                updateNodesRecursive(childItem);
+            DesignerSupport::updateDirtyNode(item);
+        };
+        updateNodesRecursive(m_editView3DContentItem);
+
+        QSizeF size = qobject_cast<QQuickItem *>(m_editView3DContentItem)->size();
+        QRectF renderRect(QPointF(0., 0.), size);
+        QImage renderImage = designerSupport()->renderImageForItem(m_editView3DContentItem,
+                                                                   renderRect, size.toSize());
+
+        // There's no instance related to image, so instance id is -1.
+        // Key number is selected so that it is unlikely to conflict other ImageContainer use.
+        const qint32 edit3DKey = 2100000000;
+        auto imgContainer = ImageContainer(-1, renderImage, edit3DKey);
+
+        // send the rendered image to creator process
+        nodeInstanceClient()->handlePuppetToCreatorCommand({PuppetToCreatorCommand::Render3DView,
+                                                            QVariant::fromValue(imgContainer)});
+        qDebug() << "\x1b[42m \x1b[1m" << __FUNCTION__
+                 << ", t=" << std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now()-t).count()
+                 << "\x1b[m";
+
+        if (m_needRender) {
+            m_renderTimer.start(0);
+            m_needRender = false;
+        }
+    }
+}
+
 Qt5InformationNodeInstanceServer::Qt5InformationNodeInstanceServer(NodeInstanceClientInterface *nodeInstanceClient) :
     Qt5NodeInstanceServer(nodeInstanceClient)
 {
     m_propertyChangeTimer.setInterval(100);
     m_selectionChangeTimer.setSingleShot(true);
+    m_renderTimer.setSingleShot(true);
 }
 
 void Qt5InformationNodeInstanceServer::sendTokenBack()
@@ -523,7 +612,6 @@ bool Qt5InformationNodeInstanceServer::isDirtyRecursiveForParentInstances(QQuick
             return false;
 
         return isDirtyRecursiveForParentInstances(parentItem);
-
     }
 
     return false;
@@ -549,12 +637,14 @@ QList<ServerNodeInstance> Qt5InformationNodeInstanceServer::createInstances(
 {
     const auto createdInstances = NodeInstanceServer::createInstances(container);
 
-    if (m_editView3D) {
+    if (m_editView3DRootItem) {
         add3DViewPorts(createdInstances);
         add3DScenes(createdInstances);
         createCameraAndLightGizmos(createdInstances);
     }
 
+    render3DEditView();
+
     return createdInstances;
 }
 
@@ -586,7 +676,7 @@ void Qt5InformationNodeInstanceServer::createCameraAndLightGizmos(
     while (cameraIt != cameras.constEnd()) {
         const auto cameraObjs = cameraIt.value();
         for (auto &obj : cameraObjs) {
-            QMetaObject::invokeMethod(m_editView3D, "addCameraGizmo",
+            QMetaObject::invokeMethod(m_editView3DRootItem, "addCameraGizmo",
                                       Q_ARG(QVariant, objectToVariant(cameraIt.key())),
                                       Q_ARG(QVariant, objectToVariant(obj)));
         }
@@ -596,7 +686,7 @@ void Qt5InformationNodeInstanceServer::createCameraAndLightGizmos(
     while (lightIt != lights.constEnd()) {
         const auto lightObjs = lightIt.value();
         for (auto &obj : lightObjs) {
-            QMetaObject::invokeMethod(m_editView3D, "addLightGizmo",
+            QMetaObject::invokeMethod(m_editView3DRootItem, "addLightGizmo",
                                       Q_ARG(QVariant, objectToVariant(lightIt.key())),
                                       Q_ARG(QVariant, objectToVariant(obj)));
         }
@@ -791,8 +881,8 @@ void Qt5InformationNodeInstanceServer::setup3DEditView(const QList<ServerNodeIns
         m_active3DView = findView3DForSceneRoot(m_active3DScene);
     }
     if (m_active3DScene) {
-        m_editView3D = createEditView3D(engine());
+        createEditView3D();
-        if (!m_editView3D) {
+        if (!m_editView3DRootItem) {
             m_active3DScene = nullptr;
             m_active3DView = nullptr;
             return;
@@ -805,7 +895,11 @@ void Qt5InformationNodeInstanceServer::setup3DEditView(const QList<ServerNodeIns
                 helper->initToolStates(it.key(), it.value());
                 ++it;
             }
-            helper->restoreWindowState(qobject_cast<QQuickWindow *>(m_editView3D));
+            helper->restoreWindowState();
+            if (toolStates.contains(helper->globalStateId())
+                    && toolStates[helper->globalStateId()].contains("rootSize")) {
+                m_editView3DRootItem->setSize(toolStates[helper->globalStateId()]["rootSize"].value<QSize>());
+            }
         }
 
         updateActiveSceneToEditView3D();
@@ -900,7 +994,7 @@ void Qt5InformationNodeInstanceServer::reparentInstances(const ReparentInstances
 
     Qt5NodeInstanceServer::reparentInstances(command);
 
-    if (m_editView3D)
+    if (m_editView3DRootItem)
         resolveSceneRoots();
 }
 
@@ -991,7 +1085,7 @@ void QmlDesigner::Qt5InformationNodeInstanceServer::removeSharedMemory(const Qml
 
 void Qt5InformationNodeInstanceServer::changeSelection(const ChangeSelectionCommand &command)
 {
-    if (!m_editView3D)
+    if (!m_editView3DRootItem)
         return;
 
     if (m_selectionChangeTimer.isActive()) {
@@ -1033,16 +1127,18 @@ void Qt5InformationNodeInstanceServer::changeSelection(const ChangeSelectionComm
     // Ensure the UI has enough selection box items. If it doesn't yet have them, which can be the
     // case when the first selection processed is a multiselection, we wait a bit as
     // using the new boxes immediately leads to visual glitches.
-    int boxCount = m_editView3D->property("selectionBoxes").value<QVariantList>().size();
+    int boxCount = m_editView3DRootItem->property("selectionBoxes").value<QVariantList>().size();
     if (boxCount < selectedObjs.size()) {
-        QMetaObject::invokeMethod(m_editView3D, "ensureSelectionBoxes",
+        QMetaObject::invokeMethod(m_editView3DRootItem, "ensureSelectionBoxes",
                                   Q_ARG(QVariant, QVariant::fromValue(selectedObjs.size())));
         m_pendingSelectionChangeCommand = command;
         m_selectionChangeTimer.start(100);
     } else {
-        QMetaObject::invokeMethod(m_editView3D, "selectObjects",
+        QMetaObject::invokeMethod(m_editView3DRootItem, "selectObjects",
                                   Q_ARG(QVariant, QVariant::fromValue(selectedObjs)));
     }
+
+    render3DEditView();
 }
 
 void Qt5InformationNodeInstanceServer::changePropertyValues(const ChangeValuesCommand &command)
@@ -1060,6 +1156,8 @@ void Qt5InformationNodeInstanceServer::changePropertyValues(const ChangeValuesCo
         refreshBindings();
 
     startRenderTimer();
+
+    render3DEditView();
 }
 
 void Qt5InformationNodeInstanceServer::removeInstances(const RemoveInstancesCommand &command)
@@ -1074,45 +1172,110 @@ void Qt5InformationNodeInstanceServer::removeInstances(const RemoveInstancesComm
         resolveSceneRoots();
     }
 
-    if (m_editView3D && (!m_active3DScene || !m_active3DView)) {
+    if (m_editView3DRootItem && (!m_active3DScene || !m_active3DView)) {
         if (!m_active3DScene && !m_3DSceneMap.isEmpty())
             m_active3DScene = m_3DSceneMap.begin().key();
         m_active3DView = findView3DForSceneRoot(m_active3DScene);
         updateActiveSceneToEditView3D();
     }
+    render3DEditView();
+}
+
+void Qt5InformationNodeInstanceServer::inputEvent(const InputEventCommand &command)
+{
+    if (m_editView3D) {
+        if (command.type() == QEvent::Wheel) {
+            auto we = new QWheelEvent(command.pos(), command.pos(), {0, 0}, {0, command.angleDelta()},
+                                      command.buttons(), command.modifiers(), Qt::NoScrollPhase,
+                                      false);
+            QGuiApplication::postEvent(m_editView3D, we);
+        } else {
+            auto me = new QMouseEvent(command.type(), command.pos(), command.button(),
+                                      command.buttons(), command.modifiers());
+            QGuiApplication::postEvent(m_editView3D, me);
+        }
+
+        render3DEditView();
+    }
+}
+
+void Qt5InformationNodeInstanceServer::view3DAction(const View3DActionCommand &command)
+{
+    QVariantMap updatedState;
+
+    switch (command.type()) {
+    case View3DActionCommand::MoveTool:
+        updatedState.insert("groupTransform", 0);
+        break;
+    case View3DActionCommand::RotateTool:
+        updatedState.insert("groupTransform", 1);
+        break;
+    case View3DActionCommand::ScaleTool:
+        updatedState.insert("groupTransform", 2);
+        break;
+    case View3DActionCommand::FitToView:
+        QMetaObject::invokeMethod(m_editView3DRootItem, "fitToView");
+        break;
+    case View3DActionCommand::SelectionModeToggle:
+        updatedState.insert("groupSelect", command.isEnabled() ? 0 : 1);
+        break;
+    case View3DActionCommand::CameraToggle:
+        updatedState.insert("usePerspective", command.isEnabled());
+        break;
+    case View3DActionCommand::OrientationToggle:
+        updatedState.insert("globalOrientation", command.isEnabled());
+        break;
+    case View3DActionCommand::EditLightToggle:
+        updatedState.insert("showEditLight", command.isEnabled());
+        break;
+    default:
+        break;
+    }
+
+    if (!updatedState.isEmpty()) {
+        QMetaObject::invokeMethod(m_editView3DRootItem, "updateToolStates",
+                                  Q_ARG(QVariant, updatedState),
+                                  Q_ARG(QVariant, QVariant::fromValue(false)));
+    }
+
+    render3DEditView();
+}
+
+void Qt5InformationNodeInstanceServer::changeAuxiliaryValues(const ChangeAuxiliaryCommand &command)
+{
+    Qt5NodeInstanceServer::changeAuxiliaryValues(command);
+    render3DEditView();
 }
 
 // update 3D view window state when the main app window state change
 void Qt5InformationNodeInstanceServer::update3DViewState(const Update3dViewStateCommand &command)
 {
-    auto window = qobject_cast<QWindow *>(m_editView3D);
+#ifdef QUICK3D_MODULE
-    if (window) {
+    if (command.type() == Update3dViewStateCommand::SizeChange) {
+        if (m_editView3DRootItem) {
+            m_editView3DRootItem->setSize(command.size());
+            auto helper = qobject_cast<QmlDesigner::Internal::GeneralHelper *>(m_3dHelper);
+            if (helper)
+                helper->storeToolState(helper->globalStateId(), "rootSize", QVariant(command.size()), 0);
+            render3DEditView();
+        }
+    } else if (m_editWindow3D) {
         if (command.type() == Update3dViewStateCommand::StateChange) {
             if (command.previousStates() & Qt::WindowMinimized) // main window expanded from minimize state
-                window->show();
+                m_editWindow3D->show();
             else if (command.currentStates() & Qt::WindowMinimized) // main window minimized
-                window->hide();
+                m_editWindow3D->hide();
         } else if (command.type() == Update3dViewStateCommand::ActiveChange) {
-            window->setFlag(Qt::WindowStaysOnTopHint, command.isActive());
+            m_editWindow3D->setFlag(Qt::WindowStaysOnTopHint, command.isActive());
 
             // main window has a popup open, lower the edit view 3D so that the pop up is visible
             if (command.hasPopup())
-                window->lower();
+                m_editWindow3D->lower();
         }
     }
-}
+#else
-
+    Q_UNUSED(command)
-void Qt5InformationNodeInstanceServer::enable3DView(const Enable3DViewCommand &command)
+#endif
-{
-    // TODO: this method is not currently in use as the 3D view is currently enabled by resetting the puppet.
-    //       It should however be implemented here.
-
-    auto window = qobject_cast<QWindow *>(m_editView3D);
-    if (window && !command.isEnable()) {
-        // TODO: remove the 3D view
-    } else if (!window && command.isEnable()) {
-        // TODO: create the 3D view
-    }
 }
 
 } // namespace QmlDesigner

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5informationnodeinstanceserver.h

@@ -32,6 +32,7 @@
 
 #include <QTimer>
 #include <QVariant>
+#include <QPointer>
 
 QT_BEGIN_NAMESPACE
 class QDragMoveEvent;
@@ -49,7 +50,6 @@ public:
     void reparentInstances(const ReparentInstancesCommand &command) override;
     void clearScene(const ClearSceneCommand &command) override;
     void update3DViewState(const Update3dViewStateCommand &command) override;
-    void enable3DView(const Enable3DViewCommand &command) override;
     void createScene(const CreateSceneCommand &command) override;
     void completeComponent(const CompleteComponentCommand &command) override;
     void token(const TokenCommand &command) override;
@@ -57,6 +57,9 @@ public:
     void changeSelection(const ChangeSelectionCommand &command) override;
     void changePropertyValues(const ChangeValuesCommand &command) override;
     void removeInstances(const RemoveInstancesCommand &command) override;
+    void inputEvent(const InputEventCommand &command) override;
+    void view3DAction(const View3DActionCommand &command) override;
+    void changeAuxiliaryValues(const ChangeAuxiliaryCommand &command) override;
 
 private slots:
     void handleSelectionChanged(const QVariant &objs);
@@ -82,7 +85,7 @@ protected:
 private:
     void handleObjectPropertyChangeTimeout();
     void handleSelectionChangeTimeout();
-    QObject *createEditView3D(QQmlEngine *engine);
+    void createEditView3D();
     void setup3DEditView(const QList<ServerNodeInstance> &instanceList,
                          const QHash<QString, QVariantMap> &toolStates);
     void createCameraAndLightGizmos(const QList<ServerNodeInstance> &instanceList) const;
@@ -104,8 +107,13 @@ private:
     void removeNode3D(QObject *node);
     void resolveSceneRoots();
     ServerNodeInstance active3DSceneInstance() const;
+    void render3DEditView();
+    void doRender3DEditView();
 
-    QObject *m_editView3D = nullptr;
+    QPointer<QQuickView> m_editView3D;
+    QPointer<QQuickWindow> m_editWindow3D;
+    QQuickItem *m_editView3DRootItem = nullptr;
+    QQuickItem *m_editView3DContentItem = nullptr;
     QSet<QObject *> m_view3Ds;
     QMultiHash<QObject *, QObject *> m_3DSceneMap; // key: scene root, value: node
     QObject *m_active3DView;
@@ -115,10 +123,12 @@ private:
     QList<TokenCommand> m_tokenList;
     QTimer m_propertyChangeTimer;
     QTimer m_selectionChangeTimer;
+    QTimer m_renderTimer;
     QVariant m_changedNode;
     PropertyName m_changedProperty;
     ChangeSelectionCommand m_pendingSelectionChangeCommand;
     QObject *m_3dHelper = nullptr;
+    bool m_needRender = false;
 };
 
 } // namespace QmlDesigner

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceclientproxy.cpp

@@ -70,8 +70,10 @@ Qt5NodeInstanceClientProxy::Qt5NodeInstanceClientProxy(QObject *parent) :
          * because we want to be able to show the 3D Edit View
          * as a normal QQuickView.
          * The DesignerWindowManager prevents any window from actually being shown. */
-        if (!qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_MODE"))
+        if (!qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_MODE")
+                || !qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_SHOW_EDIT_WINDOW")) {
             DesignerSupport::activateDesignerWindowManager();
+        }
         setNodeInstanceServer(new Qt5InformationNodeInstanceServer(this));
         initializeSocket();
     } else if (QCoreApplication::arguments().at(2) == QLatin1String("rendermode")) {

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceserver.cpp

@@ -72,6 +72,7 @@ void Qt5NodeInstanceServer::initializeView()
     DesignerSupport::createOpenGLContext(m_quickView.data());
 
     if (qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_MODE")
+        && qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_SHOW_EDIT_WINDOW")
         && QCoreApplication::arguments().at(2) == "editormode") {
         /* In '3d editormode' we do not use the DesignerWindowManager
          * and since we do not show the QQuickView we have to manually create the OpenGL context */

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/servernodeinstance.cpp

@@ -627,16 +627,18 @@ QList<QQuickItem *> ServerNodeInstance::allItemsRecursive() const
 
 QString ServerNodeInstance::id() const
 {
+    if (isValid())
         return m_nodeInstance->id();
+
+    return {};
 }
 
 qint32 ServerNodeInstance::instanceId() const
 {
-    if (isValid()) {
+    if (isValid())
         return m_nodeInstance->instanceId();
-    } else {
+
     return -1;
-    }
 }
 
 QList<ServerNodeInstance> ServerNodeInstance::stateInstances() const

share/qtcreator/qml/qmlpuppet/qmlpuppet.qrc

@@ -8,6 +8,7 @@
         <file>mockfiles/GenericBackend.qml</file>
         <file>mockfiles/Dialog.qml</file>
         <file>mockfiles/EditView3D.qml</file>
+        <file>mockfiles/EditWindow3D.qml</file>
         <file>mockfiles/EditCameraController.qml</file>
         <file>mockfiles/Arrow.qml</file>
         <file>mockfiles/AutoScaleHelper.qml</file>

src/plugins/qmldesigner/CMakeLists.txt

@@ -141,9 +141,10 @@ extend_qtc_plugin(QmlDesigner
     changeselectioncommand.cpp changeselectioncommand.h
     drop3dlibraryitemcommand.cpp drop3dlibraryitemcommand.h
     update3dviewstatecommand.cpp update3dviewstatecommand.h
-    enable3dviewcommand.cpp enable3dviewcommand.h
     view3dclosedcommand.cpp view3dclosedcommand.h
     puppettocreatorcommand.cpp puppettocreatorcommand.h
+    inputeventcommand.cpp inputeventcommand.h
+    view3dactioncommand.cpp view3dactioncommand.h
 )
 
 extend_qtc_plugin(QmlDesigner
@@ -194,6 +195,16 @@ extend_qtc_plugin(QmlDesigner
     debugviewwidget.cpp debugviewwidget.h debugviewwidget.ui
 )
 
+extend_qtc_plugin(QmlDesigner
+  SOURCES_PREFIX components/edit3d
+  SOURCES
+  edit3dview.cpp edit3dview.h
+  edit3dwidget.cpp edit3dwidget.h
+  edit3dcanvas.cpp edit3dcanvas.h
+  edit3dactions.cpp edit3dactions.h
+  edit3d.qrc
+)
+
 extend_qtc_plugin(QmlDesigner
   SOURCES_PREFIX components/formeditor
   SOURCES

src/plugins/qmldesigner/components/componentcore/actioninterface.h

@@ -42,7 +42,8 @@ public:
         ContextMenuAction,
         ToolBarAction,
         Action,
-        FormEditorAction
+        FormEditorAction,
+        Edit3DAction
     };
 
     enum Priorities {

src/plugins/qmldesigner/components/edit3d/edit3d.pri

@@ -0,0 +1,12 @@
+VPATH += $$PWD
+SOURCES += edit3dwidget.cpp \
+    edit3dview.cpp \
+    edit3dcanvas.cpp \
+    edit3dactions.cpp
+
+HEADERS += edit3dwidget.h \
+    edit3dview.h \
+    edit3dcanvas.h \
+    edit3dactions.h
+
+RESOURCES += edit3d.qrc

src/plugins/qmldesigner/components/edit3d/edit3d.qrc

@@ -0,0 +1,34 @@
+<RCC>
+    <qresource prefix="/edit3d">
+        <file>images/edit_light_off.png</file>
+        <file>images/edit_light_off@2x.png</file>
+        <file>images/edit_light_on.png</file>
+        <file>images/edit_light_on@2x.png</file>
+        <file>images/fit_active.png</file>
+        <file>images/fit_active@2x.png</file>
+        <file>images/global.png</file>
+        <file>images/global@2x.png</file>
+        <file>images/group_selection_selected.png</file>
+        <file>images/group_selection_selected@2x.png</file>
+        <file>images/item_selection_selected.png</file>
+        <file>images/item_selection_selected@2x.png</file>
+        <file>images/local.png</file>
+        <file>images/local@2x.png</file>
+        <file>images/move_active.png</file>
+        <file>images/move_active@2x.png</file>
+        <file>images/move_selected.png</file>
+        <file>images/move_selected@2x.png</file>
+        <file>images/ortho.png</file>
+        <file>images/ortho@2x.png</file>
+        <file>images/persp.png</file>
+        <file>images/persp@2x.png</file>
+        <file>images/rotate_active.png</file>
+        <file>images/rotate_active@2x.png</file>
+        <file>images/rotate_selected.png</file>
+        <file>images/rotate_selected@2x.png</file>
+        <file>images/scale_active.png</file>
+        <file>images/scale_active@2x.png</file>
+        <file>images/scale_selected.png</file>
+        <file>images/scale_selected@2x.png</file>
+    </qresource>
+</RCC>

src/plugins/qmldesigner/components/edit3d/edit3dactions.cpp

@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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 "edit3dactions.h"
+#include "edit3dview.h"
+#include "edit3dwidget.h"
+
+#include <viewmanager.h>
+#include <nodeinstanceview.h>
+#include <qmldesignerplugin.h>
+
+#include <QDebug>
+
+namespace QmlDesigner {
+
+Edit3DActionTemplate::Edit3DActionTemplate(const QString &description,
+                                           SelectionContextOperation action,
+                                           View3DActionCommand::Type type)
+    : DefaultAction(description),
+      m_action(action),
+      m_type(type)
+{ }
+
+void Edit3DActionTemplate::actionTriggered(bool b)
+{
+    if (m_type != View3DActionCommand::Empty) {
+        QmlDesignerPlugin::instance()->viewManager().nodeInstanceView()
+                ->view3DAction(View3DActionCommand(m_type, b));
+    }
+
+    if (m_action)
+        m_action(m_selectionContext);
+}
+
+Edit3DAction::Edit3DAction(const QByteArray &menuId, View3DActionCommand::Type type,
+                           const QString &description, const QKeySequence &key, bool checkable,
+                           bool checked, const QIcon &iconOff, const QIcon &iconOn,
+                           SelectionContextOperation selectionAction)
+    : AbstractAction(new Edit3DActionTemplate(description, selectionAction, type))
+    , m_menuId(menuId)
+{
+    action()->setShortcut(key);
+    action()->setShortcutContext(Qt::WidgetWithChildrenShortcut);
+    action()->setCheckable(checkable);
+    action()->setChecked(checked);
+    if (checkable) {
+        QIcon onOffIcon;
+        const auto onAvail = iconOn.availableSizes(); // Assume both icons have same sizes available
+        for (const auto &size : onAvail) {
+            onOffIcon.addPixmap(iconOn.pixmap(size), QIcon::Normal, QIcon::On);
+            onOffIcon.addPixmap(iconOff.pixmap(size), QIcon::Normal, QIcon::Off);
+        }
+        action()->setIcon(onOffIcon);
+    } else {
+        action()->setIcon(iconOff);
+    }
+}
+
+QByteArray Edit3DAction::category() const
+{
+    return QByteArray();
+}
+
+bool Edit3DAction::isVisible(const SelectionContext &selectionContext) const
+{
+    return true;
+}
+
+bool Edit3DAction::isEnabled(const SelectionContext &selectionContext) const
+{
+    return isVisible(selectionContext);
+}
+
+}
+

src/plugins/qmldesigner/components/edit3d/edit3dactions.h

@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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 "view3dactioncommand.h"
+
+#include <abstractaction.h>
+
+#include <QtWidgets/qaction.h>
+#include <QtGui/qicon.h>
+
+namespace QmlDesigner {
+
+using SelectionContextOperation = std::function<void(const SelectionContext &)>;
+
+class Edit3DActionTemplate : public DefaultAction
+{
+
+public:
+    Edit3DActionTemplate(const QString &description, SelectionContextOperation action,
+                         View3DActionCommand::Type type);
+
+    void actionTriggered(bool b) override;
+
+    SelectionContextOperation m_action;
+    View3DActionCommand::Type m_type;
+};
+
+class Edit3DAction : public AbstractAction
+{
+public:
+    Edit3DAction(const QByteArray &menuId, View3DActionCommand::Type type,
+                 const QString &description, const QKeySequence &key, bool checkable, bool checked,
+                 const QIcon &iconOff, const QIcon &iconOn,
+                 SelectionContextOperation selectionAction = nullptr);
+
+    QByteArray category() const override;
+
+    int priority() const override
+    {
+        return CustomActionsPriority;
+    }
+
+    Type type() const override
+    {
+        return ActionInterface::Edit3DAction;
+    }
+
+    QByteArray menuId() const override
+    {
+        return m_menuId;
+    }
+
+protected:
+    bool isVisible(const SelectionContext &selectionContext) const override;
+    bool isEnabled(const SelectionContext &selectionContext) const override;
+
+private:
+    QByteArray m_menuId;
+};
+
+} // namespace QmlDesigner

src/plugins/qmldesigner/components/edit3d/edit3dcanvas.cpp

@@ -0,0 +1,125 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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 "edit3dcanvas.h"
+#include "edit3dview.h"
+#include "edit3dwidget.h"
+
+#include "nodehints.h"
+#include "qmlvisualnode.h"
+
+#include <QtCore/qmimedata.h>
+#include <QPainter>
+
+namespace QmlDesigner {
+
+Edit3DCanvas::Edit3DCanvas(Edit3DWidget *parent)
+    : QWidget(parent),
+    m_parent(parent)
+{
+    setMouseTracking(true);
+    setAcceptDrops(true);
+}
+
+void Edit3DCanvas::updateRenderImage(const QImage &img)
+{
+    m_image = img;
+    update();
+}
+
+void Edit3DCanvas::updateActiveScene(qint32 activeScene)
+{
+    m_activeScene = activeScene;
+}
+
+void Edit3DCanvas::mousePressEvent(QMouseEvent *e)
+{
+    m_parent->view()->sendInputEvent(e);
+    QWidget::mousePressEvent(e);
+}
+
+void Edit3DCanvas::mouseReleaseEvent(QMouseEvent *e)
+{
+    m_parent->view()->sendInputEvent(e);
+    QWidget::mouseReleaseEvent(e);
+}
+
+void Edit3DCanvas::mouseDoubleClickEvent(QMouseEvent *e)
+{
+    m_parent->view()->sendInputEvent(e);
+    QWidget::mouseDoubleClickEvent(e);
+}
+
+void Edit3DCanvas::mouseMoveEvent(QMouseEvent *e)
+{
+    m_parent->view()->sendInputEvent(e);
+    QWidget::mouseMoveEvent(e);
+}
+
+void Edit3DCanvas::wheelEvent(QWheelEvent *e)
+{
+    m_parent->view()->sendInputEvent(e);
+    QWidget::wheelEvent(e);
+}
+
+void Edit3DCanvas::paintEvent(QPaintEvent *e)
+{
+    Q_UNUSED(e)
+
+    QWidget::paintEvent(e);
+
+    QPainter painter(this);
+
+    painter.drawImage(rect(), m_image, rect());
+}
+
+void Edit3DCanvas::resizeEvent(QResizeEvent *e)
+{
+    m_parent->view()->edit3DViewResized(e->size());
+}
+
+void Edit3DCanvas::dragEnterEvent(QDragEnterEvent *e)
+{
+    QByteArray data = e->mimeData()->data(QStringLiteral("application/vnd.bauhaus.itemlibraryinfo"));
+    if (!data.isEmpty()) {
+        QDataStream stream(data);
+        stream >> m_itemLibraryEntry;
+        bool canDrop = NodeHints::fromItemLibraryEntry(m_itemLibraryEntry).canBeDroppedInView3D();
+
+        if (canDrop)
+            e->accept();
+    }
+}
+
+void Edit3DCanvas::dropEvent(QDropEvent *e)
+{
+    Q_UNUSED(e)
+
+    QmlVisualNode::createQmlVisualNode(m_parent->view(), m_itemLibraryEntry, m_activeScene, {});
+}
+
+}
+
+

src/plugins/qmldesigner/components/edit3d/edit3dcanvas.h

@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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 "itemlibraryinfo.h"
+
+#include <QtWidgets/qwidget.h>
+#include <QtGui/qimage.h>
+#include <QtGui/qevent.h>
+#include <QtCore/qpointer.h>
+
+namespace QmlDesigner {
+
+class Edit3DWidget;
+
+class Edit3DCanvas : public QWidget
+{
+    Q_OBJECT
+
+public:
+    Edit3DCanvas(Edit3DWidget *parent);
+
+    void updateRenderImage(const QImage &img);
+    void updateActiveScene(qint32 activeScene);
+
+protected:
+    void mousePressEvent(QMouseEvent *e) override;
+    void mouseReleaseEvent(QMouseEvent *e) override;
+    void mouseDoubleClickEvent(QMouseEvent *e) override;
+    void mouseMoveEvent(QMouseEvent *e) override;
+    void wheelEvent(QWheelEvent *e) override;
+    void paintEvent(QPaintEvent *e) override;
+    void resizeEvent(QResizeEvent *e) override;
+    void dragEnterEvent(QDragEnterEvent *e) override;
+    void dropEvent(QDropEvent *e) override;
+
+private:
+    QPointer<Edit3DWidget> m_parent;
+    QImage m_image;
+    qint32 m_activeScene;
+    ItemLibraryEntry m_itemLibraryEntry;
+};
+
+} // namespace QmlDesigner

src/plugins/qmldesigner/components/edit3d/edit3dview.cpp

@@ -0,0 +1,247 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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 "edit3dview.h"
+#include "edit3dwidget.h"
+#include "edit3dcanvas.h"
+#include "edit3dactions.h"
+#include "designmodewidget.h"
+
+#include <nodeinstanceview.h>
+#include <designeractionmanager.h>
+#include <qmldesignerplugin.h>
+#include <designersettings.h>
+#include <qmldesignerconstants.h>
+#include <viewmanager.h>
+#include <qmldesignericons.h>
+#include <utils/utilsicons.h>
+
+#include <QDebug>
+
+namespace QmlDesigner {
+
+Edit3DView::Edit3DView(QObject *parent)
+    : AbstractView(parent)
+{
+}
+
+Edit3DView::~Edit3DView()
+{
+}
+
+void Edit3DView::createEdit3DWidget()
+{
+    createEdit3DActions();
+    m_edit3DWidget = new Edit3DWidget(this);
+}
+
+WidgetInfo Edit3DView::widgetInfo()
+{
+    if (!m_edit3DWidget)
+        createEdit3DWidget();
+
+    return createWidgetInfo(m_edit3DWidget.data(), nullptr, "Editor3D", WidgetInfo::CentralPane, 0, tr("3D Editor"), DesignerWidgetFlags::IgnoreErrors);
+}
+
+Edit3DWidget *Edit3DView::edit3DWidget() const
+{
+    return m_edit3DWidget.data();
+}
+
+void Edit3DView::renderImage3DChanged(const QImage &img)
+{
+    edit3DWidget()->canvas()->updateRenderImage(img);
+}
+
+void Edit3DView::updateActiveScene3D(const QVariantMap &sceneState)
+{
+    const QString sceneKey = QStringLiteral("sceneInstanceId");
+    const QString selectKey = QStringLiteral("groupSelect");
+    const QString transformKey = QStringLiteral("groupTransform");
+    const QString perspectiveKey = QStringLiteral("usePerspective");
+    const QString orientationKey = QStringLiteral("globalOrientation");
+    const QString editLightKey = QStringLiteral("showEditLight");
+
+    if (sceneState.contains(sceneKey))
+        edit3DWidget()->canvas()->updateActiveScene(sceneState[sceneKey].value<qint32>());
+
+    if (sceneState.contains(selectKey))
+        m_selectionModeAction->action()->setChecked(sceneState[selectKey].toInt() == 0);
+    else
+        m_selectionModeAction->action()->setChecked(false);
+
+    if (sceneState.contains(transformKey)) {
+        const int tool = sceneState[transformKey].toInt();
+        if (tool == 0)
+            m_moveToolAction->action()->setChecked(true);
+        else if (tool == 1)
+            m_rotateToolAction->action()->setChecked(true);
+        else
+            m_scaleToolAction->action()->setChecked(true);
+    } else {
+        m_moveToolAction->action()->setChecked(true);
+    }
+
+    if (sceneState.contains(perspectiveKey))
+        m_cameraModeAction->action()->setChecked(sceneState[perspectiveKey].toBool());
+    else
+        m_cameraModeAction->action()->setChecked(false);
+    if (sceneState.contains(orientationKey))
+        m_orientationModeAction->action()->setChecked(sceneState[orientationKey].toBool());
+    else
+        m_orientationModeAction->action()->setChecked(false);
+    if (sceneState.contains(editLightKey))
+        m_editLightAction->action()->setChecked(sceneState[editLightKey].toBool());
+    else
+        m_editLightAction->action()->setChecked(false);
+}
+
+void Edit3DView::sendInputEvent(QInputEvent *e) const
+{
+    nodeInstanceView()->sendInputEvent(e);
+}
+
+void Edit3DView::edit3DViewResized(const QSize &size) const
+{
+    nodeInstanceView()->edit3DViewResized(size);
+}
+
+QSize Edit3DView::canvasSize() const
+{
+    if (!m_edit3DWidget.isNull() && m_edit3DWidget->canvas())
+        return m_edit3DWidget->canvas()->size();
+
+    return {};
+}
+
+void Edit3DView::createEdit3DActions()
+{
+    m_selectionModeAction
+            = new Edit3DAction(
+                "Edit3DSelectionModeToggle", View3DActionCommand::SelectionModeToggle,
+                QCoreApplication::translate("SelectionModeToggleAction", "Toggle Group / Single Selection Mode"),
+                QKeySequence(Qt::Key_Q), true, false, Icons::EDIT3D_SELECTION_MODE_OFF.icon(),
+                Icons::EDIT3D_SELECTION_MODE_ON.icon());
+
+    m_moveToolAction
+            = new Edit3DAction(
+                "Edit3DMoveTool", View3DActionCommand::MoveTool,
+                QCoreApplication::translate("MoveToolAction", "Activate Move Tool"),
+                QKeySequence(Qt::Key_W), true, true, Icons::EDIT3D_MOVE_TOOL_OFF.icon(),
+                Icons::EDIT3D_MOVE_TOOL_ON.icon());
+
+    m_rotateToolAction
+            = new Edit3DAction(
+                "Edit3DRotateTool", View3DActionCommand::RotateTool,
+                QCoreApplication::translate("RotateToolAction", "Activate Rotate Tool"),
+                QKeySequence(Qt::Key_E), true, false, Icons::EDIT3D_ROTATE_TOOL_OFF.icon(),
+                Icons::EDIT3D_ROTATE_TOOL_ON.icon());
+
+    m_scaleToolAction
+            = new Edit3DAction(
+                "Edit3DScaleTool", View3DActionCommand::ScaleTool,
+                QCoreApplication::translate("ScaleToolAction", "Activate Scale Tool"),
+                QKeySequence(Qt::Key_R), true, false, Icons::EDIT3D_SCALE_TOOL_OFF.icon(),
+                Icons::EDIT3D_SCALE_TOOL_ON.icon());
+
+    m_fitAction = new Edit3DAction(
+                "Edit3DFitToView", View3DActionCommand::FitToView,
+                QCoreApplication::translate("FitToViewAction", "Fit Selected Object To View"),
+                QKeySequence(Qt::Key_F), false, false, Icons::EDIT3D_FIT_SELECTED_OFF.icon(), {});
+
+    m_cameraModeAction
+            = new Edit3DAction(
+                "Edit3DCameraToggle", View3DActionCommand::CameraToggle,
+                QCoreApplication::translate("CameraToggleAction", "Toggle Perspective / Orthographic Edit Camera"),
+                QKeySequence(Qt::Key_T), true, false, Icons::EDIT3D_EDIT_CAMERA_OFF.icon(),
+                Icons::EDIT3D_EDIT_CAMERA_ON.icon());
+
+    m_orientationModeAction
+            = new Edit3DAction(
+                "Edit3DOrientationToggle", View3DActionCommand::OrientationToggle,
+                QCoreApplication::translate("OrientationToggleAction", "Toggle Global / Local Orientation"),
+                QKeySequence(Qt::Key_Y), true, false, Icons::EDIT3D_ORIENTATION_OFF.icon(),
+                Icons::EDIT3D_ORIENTATION_ON.icon());
+
+    m_editLightAction
+            = new Edit3DAction(
+                "Edit3DEditLightToggle", View3DActionCommand::EditLightToggle,
+                QCoreApplication::translate("EditLightToggleAction", "Toggle Edit Light On / Off"),
+                QKeySequence(Qt::Key_U), true, false, Icons::EDIT3D_LIGHT_OFF.icon(),
+                Icons::EDIT3D_LIGHT_ON.icon());
+
+    SelectionContextOperation resetTrigger = [this](const SelectionContext &) {
+        setCurrentStateNode(rootModelNode());
+        resetPuppet();
+    };
+    m_resetAction
+            = new Edit3DAction(
+                "Edit3DResetView", View3DActionCommand::Empty,
+                QCoreApplication::translate("ResetView", "Reset View"),
+                QKeySequence(Qt::Key_P), false, false, Utils::Icons::RESET_TOOLBAR.icon(), {},
+                resetTrigger);
+
+    m_leftActions << m_selectionModeAction;
+    m_leftActions << nullptr; // Null indicates separator
+    m_leftActions << nullptr; // Second null after separator indicates an exclusive group
+    m_leftActions << m_moveToolAction;
+    m_leftActions << m_rotateToolAction;
+    m_leftActions << m_scaleToolAction;
+    m_leftActions << nullptr;
+    m_leftActions << m_fitAction;
+    m_leftActions << nullptr;
+    m_leftActions << m_cameraModeAction;
+    m_leftActions << m_orientationModeAction;
+    m_leftActions << m_editLightAction;
+
+    m_rightActions << m_resetAction;
+
+    // TODO: Registering actions to action manager causes conflicting shortcuts in form editor.
+    //       Registration commented out until UX defines non-conflicting shortcuts.
+    //       Also, actions creation needs to be somehow triggered before action manager registers
+    //       actions to creator.
+//    DesignerActionManager &actionManager = QmlDesignerPlugin::instance()->designerActionManager();
+//    for (auto action : qAsConst(m_leftActions)) {
+//        if (action)
+//            actionManager.addDesignerAction(action);
+//    }
+//    for (auto action : qAsConst(m_rightActions)) {
+//        if (action)
+//            actionManager.addDesignerAction(action);
+//    }
+}
+
+QVector<Edit3DAction *> Edit3DView::leftActions() const
+{
+    return m_leftActions;
+}
+
+QVector<Edit3DAction *> Edit3DView::rightActions() const
+{
+    return m_rightActions;
+}
+
+}
+

src/plugins/qmldesigner/components/edit3d/edit3dview.h

@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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 "view3dactioncommand.h"
+
+#include <abstractview.h>
+#include <QtGui/qevent.h>
+#include <QtGui/qimage.h>
+#include <QtCore/qvector.h>
+#include <QtCore/qvariant.h>
+#include <QtCore/qsize.h>
+
+QT_BEGIN_NAMESPACE
+QT_END_NAMESPACE
+
+namespace QmlDesigner {
+
+class Edit3DWidget;
+class Edit3DAction;
+
+class QMLDESIGNERCORE_EXPORT Edit3DView : public AbstractView
+{
+    Q_OBJECT
+
+public:
+    Edit3DView(QObject *parent = nullptr);
+    ~Edit3DView() override;
+
+    WidgetInfo widgetInfo() override;
+
+    Edit3DWidget *edit3DWidget() const;
+
+    void renderImage3DChanged(const QImage &img) override;
+    void updateActiveScene3D(const QVariantMap &sceneState) override;
+
+    void sendInputEvent(QInputEvent *e) const;
+    void edit3DViewResized(const QSize &size) const;
+
+    QSize canvasSize() const;
+
+    void createEdit3DActions();
+    QVector<Edit3DAction *> leftActions() const;
+    QVector<Edit3DAction *> rightActions() const;
+
+protected:
+
+private:
+    void createEdit3DWidget();
+
+    QPointer<Edit3DWidget> m_edit3DWidget;
+    QVector<Edit3DAction *> m_leftActions;
+    QVector<Edit3DAction *> m_rightActions;
+    Edit3DAction *m_selectionModeAction;
+    Edit3DAction *m_moveToolAction;
+    Edit3DAction *m_rotateToolAction;
+    Edit3DAction *m_scaleToolAction;
+    Edit3DAction *m_fitAction;
+    Edit3DAction *m_cameraModeAction;
+    Edit3DAction *m_orientationModeAction;
+    Edit3DAction *m_editLightAction;
+    Edit3DAction *m_resetAction;
+};
+
+} // namespace QmlDesigner

src/plugins/qmldesigner/components/edit3d/edit3dwidget.cpp

@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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 "edit3dwidget.h"
+#include "edit3dview.h"
+#include "edit3dcanvas.h"
+#include "edit3dactions.h"
+
+#include "qmldesignerplugin.h"
+#include "designersettings.h"
+#include "qmldesignerconstants.h"
+#include "viewmanager.h"
+
+#include <toolbox.h>
+#include <utils/utilsicons.h>
+#include <QVBoxLayout>
+
+namespace QmlDesigner {
+
+Edit3DWidget::Edit3DWidget(Edit3DView *view) :
+    m_view(view)
+{
+    setMouseTracking(true);
+    setFocusPolicy(Qt::WheelFocus);
+
+    auto fillLayout = new QVBoxLayout(this);
+    fillLayout->setContentsMargins(0, 0, 0, 0);
+    fillLayout->setSpacing(0);
+    setLayout(fillLayout);
+
+    // Initialize toolbar
+    m_toolBox = new ToolBox(this);
+    fillLayout->addWidget(m_toolBox.data());
+
+    // Iterate through view actions. A null action indicates a separator and a second null action
+    // after separator indicates an exclusive group.
+    auto addActionsToToolBox = [this](const QVector<Edit3DAction *> &actions, bool left) {
+        bool previousWasSeparator = true;
+        QActionGroup *group = nullptr;
+        for (auto action : actions) {
+            if (action) {
+                if (group)
+                    group->addAction(action->action());
+                addAction(action->action());
+                if (left)
+                    m_toolBox->addLeftSideAction(action->action());
+                else
+                    m_toolBox->addRightSideAction(action->action());
+                previousWasSeparator = false;
+            } else {
+                if (previousWasSeparator) {
+                    group = new QActionGroup(this);
+                    previousWasSeparator = false;
+                } else {
+                    group = nullptr;
+                    auto separator = new QAction(this);
+                    separator->setSeparator(true);
+                    addAction(separator);
+                    m_toolBox->addLeftSideAction(separator);
+                    previousWasSeparator = true;
+                }
+            }
+        }
+
+    };
+    addActionsToToolBox(view->leftActions(), true);
+    addActionsToToolBox(view->rightActions(), false);
+
+    // Canvas is used to render the actual edit 3d view
+    m_canvas = new Edit3DCanvas(this);
+    fillLayout->addWidget(m_canvas.data());
+}
+
+Edit3DCanvas *Edit3DWidget::canvas() const
+{
+    return m_canvas.data();
+}
+
+Edit3DView *Edit3DWidget::view() const
+{
+    return m_view.data();
+}
+
+}

src/plugins/qmldesigner/components/edit3d/edit3dwidget.h

@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2019 The Qt Company Ltd.
+** Copyright (C) 2020 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of Qt Creator.
@@ -22,33 +22,32 @@
 ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
 ****************************************************************************/
-
 #pragma once
 
-#include <QMetaType>
+#include <QtWidgets/qwidget.h>
+#include <QtCore/qpointer.h>
 
 namespace QmlDesigner {
 
-class Enable3DViewCommand
+class Edit3DView;
+class Edit3DCanvas;
+class ToolBox;
+
+class Edit3DWidget : public QWidget
 {
-    friend QDataStream &operator>>(QDataStream &in, Enable3DViewCommand &command);
+    Q_OBJECT
-    friend QDebug operator<<(QDebug debug, const Enable3DViewCommand &command);
 
 public:
-    explicit Enable3DViewCommand(bool enable);
+    Edit3DWidget(Edit3DView *view);
-    Enable3DViewCommand() = default;
 
-    bool isEnable() const;
+    Edit3DCanvas *canvas() const;
+    Edit3DView *view() const;
 
 private:
-    bool m_enable = true;
+    QPointer<Edit3DView> m_edit3DView;
+    QPointer<Edit3DView> m_view;
+    QPointer<Edit3DCanvas> m_canvas;
+    QPointer<ToolBox> m_toolBox;
 };
 
-QDataStream &operator<<(QDataStream &out, const Enable3DViewCommand &command);
-QDataStream &operator>>(QDataStream &in, Enable3DViewCommand &command);
-
-QDebug operator<<(QDebug debug, const Enable3DViewCommand &command);
-
 } // namespace QmlDesigner
-
-Q_DECLARE_METATYPE(QmlDesigner::Enable3DViewCommand)

src/plugins/qmldesigner/components/formeditor/formeditorview.cpp

@@ -676,9 +676,6 @@ void FormEditorView::toggle3DViewEnabled(bool enabled)
         rootModelNode().removeAuxiliaryData("3d-view");
 
     resetNodeInstanceView();
-
-    // TODO: the line below is not in use. It should replace the resetNodeInstanceView(); to have a clean API
-//    nodeInstanceView()->enable3DView(enabled);
 }
 
 QmlItemNode findRecursiveQmlItemNode(const QmlObjectNode &firstQmlObjectNode)

src/plugins/qmldesigner/components/formeditor/formeditorwidget.cpp

@@ -72,7 +72,7 @@ FormEditorWidget::FormEditorWidget(FormEditorView *view) :
     layoutActionGroup->setExclusive(true);
 
     m_noSnappingAction = layoutActionGroup->addAction(tr("No snapping (T)."));
-    m_noSnappingAction->setShortcut(Qt::Key_W);
+    m_noSnappingAction->setShortcut(Qt::Key_T);
     m_noSnappingAction->setShortcutContext(Qt::WidgetWithChildrenShortcut);
     m_noSnappingAction->setCheckable(true);
     m_noSnappingAction->setChecked(true);
@@ -133,7 +133,6 @@ FormEditorWidget::FormEditorWidget(FormEditorView *view) :
     m_toolBox = new ToolBox(this);
     fillLayout->addWidget(m_toolBox.data());
 
-
     m_toolBox->setLeftSideActions(upperActions);
 
     m_backgroundAction = new BackgroundAction(m_toolActionGroup.data());
@@ -143,9 +142,11 @@ FormEditorWidget::FormEditorWidget(FormEditorView *view) :
     m_toolBox->addRightSideAction(m_backgroundAction.data());
 
     m_option3DAction = new Option3DAction(m_toolActionGroup.data());
+    if (qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_SHOW_EDIT_WINDOW")) {
         addAction(m_option3DAction.data());
         upperActions.append(m_option3DAction.data());
         m_toolBox->addRightSideAction(m_option3DAction.data());
+    }
 
     m_zoomAction = new ZoomAction(m_toolActionGroup.data());
     connect(m_zoomAction.data(), &ZoomAction::zoomLevelChanged,

src/plugins/qmldesigner/components/resources/centerwidget.css

@@ -28,6 +28,10 @@ QTabBar#centralTabBar::tab:selected {
     color: creatorTheme.QmlDesigner_TabDark;
 }
 
+QTabBar#centralTabBar::tab:disabled {
+    color: creatorTheme.QmlDesigner_ScrollBarHandleColor;
+}
+
 QToolButton#centralTabBar {
     background-color: creatorTheme.QmlDesigner_BackgroundColorDarkAlternate;
     width: 08px;

src/plugins/qmldesigner/componentsplugin/componentsplugin.qbs

@@ -16,6 +16,7 @@ QtcProduct {
         "..",
         "../components/componentcore",
         "../components/debugview",
+        "../components/edit3d",
         "../components/formeditor",
         "../components/importmanager",
         "../components/integration",

src/plugins/qmldesigner/designercore/include/abstractview.h

@@ -44,6 +44,7 @@
 QT_BEGIN_NAMESPACE
 class QStyle;
 class QToolButton;
+class QImage;
 QT_END_NAMESPACE
 
 namespace QmlDesigner {
@@ -182,6 +183,8 @@ public:
     void emitRewriterBeginTransaction();
     void emitRewriterEndTransaction();
     void emitInstanceToken(const QString &token, int number, const QVector<ModelNode> &nodeVector);
+    void emitRenderImage3DChanged(const QImage &image);
+    void emitUpdateActiveScene3D(const QVariantMap &sceneState);
 
     void sendTokenToInstances(const QString &token, int number, const QVector<ModelNode> &nodeVector);
 
@@ -237,6 +240,9 @@ public:
 
     virtual void currentTimelineChanged(const ModelNode &node);
 
+    virtual void renderImage3DChanged(const QImage &image);
+    virtual void updateActiveScene3D(const QVariantMap &sceneState);
+
     void changeRootNodeType(const TypeName &type, int majorVersion, int minorVersion);
 
     NodeInstanceView *nodeInstanceView() const;

src/plugins/qmldesigner/designercore/include/nodehints.h

@@ -59,6 +59,7 @@ public:
     bool doesLayoutChildren() const;
     bool canBeDroppedInFormEditor() const;
     bool canBeDroppedInNavigator() const;
+    bool canBeDroppedInView3D() const;
     bool isMovable() const;
     bool isResizable() const;
     bool isStackedContainer() const;

src/plugins/qmldesigner/designercore/include/nodeinstanceview.h

@@ -39,6 +39,7 @@
 #include <QPointer>
 #include <QRectF>
 #include <QTime>
+#include <QtGui/qevent.h>
 
 namespace ProjectExplorer {
 class Target;
@@ -94,7 +95,6 @@ public:
     void customNotification(const AbstractView *view, const QString &identifier, const QList<ModelNode> &nodeList, const QList<QVariant> &data) override;
     void nodeSourceChanged(const ModelNode &modelNode, const QString &newNodeSource) override;
 
-
     void currentStateChanged(const ModelNode &node) override;
 
     QList<NodeInstance> instances() const;
@@ -136,7 +136,9 @@ public:
 
     void mainWindowStateChanged(Qt::WindowStates previousStates, Qt::WindowStates currentStates);
     void mainWindowActiveChanged(bool active, bool hasPopup);
-    void enable3DView(bool enable);
+    void sendInputEvent(QInputEvent *e) const;
+    void view3DAction(const View3DActionCommand &command);
+    void edit3DViewResized(const QSize &size) const;
 
     void handlePuppetToCreatorCommand(const PuppetToCreatorCommand &command) override;
 

src/plugins/qmldesigner/designercore/include/viewmanager.h

@@ -42,6 +42,7 @@ class AbstractCustomTool;
 class DesignerActionManager;
 class NodeInstanceView;
 class RewriterView;
+class Edit3DView;
 
 namespace Internal { class DesignModeWidget; }
 

src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.cpp

@@ -30,7 +30,6 @@
 #include <createinstancescommand.h>
 #include <createscenecommand.h>
 #include <update3dviewstatecommand.h>
-#include <enable3dviewcommand.h>
 #include <changevaluescommand.h>
 #include <changebindingscommand.h>
 #include <changeauxiliarycommand.h>
@@ -47,6 +46,8 @@
 #include <drop3dlibraryitemcommand.h>
 #include <puppettocreatorcommand.h>
 #include <view3dclosedcommand.h>
+#include <inputeventcommand.h>
+#include <view3dactioncommand.h>
 
 #include <informationchangedcommand.h>
 #include <pixmapchangedcommand.h>
@@ -665,11 +666,6 @@ void NodeInstanceServerProxy::update3DViewState(const Update3dViewStateCommand &
     writeCommand(QVariant::fromValue(command));
 }
 
-void NodeInstanceServerProxy::enable3DView(const Enable3DViewCommand &command)
-{
-    writeCommand(QVariant::fromValue(command));
-}
-
 void NodeInstanceServerProxy::removeInstances(const RemoveInstancesCommand &command)
 {
     writeCommand(QVariant::fromValue(command));
@@ -740,4 +736,14 @@ void NodeInstanceServerProxy::benchmark(const QString &message)
     qCInfo(instanceViewBenchmark) << message << m_benchmarkTimer.elapsed();
 }
 
+void NodeInstanceServerProxy::inputEvent(const InputEventCommand &command)
+{
+    writeCommand(QVariant::fromValue(command));
+}
+
+void NodeInstanceServerProxy::view3DAction(const View3DActionCommand &command)
+{
+    writeCommand(QVariant::fromValue(command));
+}
+
 } // namespace QmlDesigner

src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.h

@@ -68,7 +68,6 @@ public:
     void changeFileUrl(const ChangeFileUrlCommand &command) override;
     void createScene(const CreateSceneCommand &command) override;
     void update3DViewState(const Update3dViewStateCommand &command) override;
-    void enable3DView(const Enable3DViewCommand &command) override;
     void clearScene(const ClearSceneCommand &command) override;
     void removeInstances(const RemoveInstancesCommand &command) override;
     void changeSelection(const ChangeSelectionCommand &command) override;
@@ -84,6 +83,8 @@ public:
     void token(const TokenCommand &command) override;
     void removeSharedMemory(const RemoveSharedMemoryCommand &command) override;
     void benchmark(const QString &message) override;
+    void inputEvent(const InputEventCommand &command) override;
+    void view3DAction(const View3DActionCommand &command) override;
 
 protected:
     void writeCommand(const QVariant &command);

src/plugins/qmldesigner/designercore/instances/nodeinstanceview.cpp

@@ -48,7 +48,6 @@
 #include "changefileurlcommand.h"
 #include "reparentinstancescommand.h"
 #include "update3dviewstatecommand.h"
-#include "enable3dviewcommand.h"
 #include "changevaluescommand.h"
 #include "changeauxiliarycommand.h"
 #include "changebindingscommand.h"
@@ -71,6 +70,9 @@
 #include "debugoutputcommand.h"
 #include "nodeinstanceserverproxy.h"
 #include "puppettocreatorcommand.h"
+#include "inputeventcommand.h"
+#include "view3dactioncommand.h"
+#include "edit3dview.h"
 
 #ifndef QMLDESIGNER_TEST
 #include <qmldesignerplugin.h>
@@ -1470,6 +1472,13 @@ void NodeInstanceView::handlePuppetToCreatorCommand(const PuppetToCreatorCommand
                 m_edit3DToolStates[qmlId].insert(data[1].toString(), data[2]);
             }
         }
+    } else if (command.type() == PuppetToCreatorCommand::Render3DView) {
+        ImageContainer container = qvariant_cast<ImageContainer>(command.data());
+        if (!container.image().isNull())
+            emitRenderImage3DChanged(container.image());
+    } else if (command.type() == PuppetToCreatorCommand::ActiveSceneChanged) {
+        const auto sceneState = qvariant_cast<QVariantMap>(command.data());
+        emitUpdateActiveScene3D(sceneState);
     }
 }
 
@@ -1526,10 +1535,19 @@ void NodeInstanceView::mainWindowActiveChanged(bool active, bool hasPopup)
         nodeInstanceServer()->update3DViewState(Update3dViewStateCommand(active, hasPopup));
 }
 
-// enable / disable 3D edit View
+void NodeInstanceView::sendInputEvent(QInputEvent *e) const
-void NodeInstanceView::enable3DView(bool enable)
 {
-    nodeInstanceServer()->enable3DView(Enable3DViewCommand(enable));
+    nodeInstanceServer()->inputEvent(InputEventCommand(e));
+}
+
+void NodeInstanceView::view3DAction(const View3DActionCommand &command)
+{
+    nodeInstanceServer()->view3DAction(command);
+}
+
+void NodeInstanceView::edit3DViewResized(const QSize &size) const
+{
+    nodeInstanceServer()->update3DViewState(Update3dViewStateCommand(size));
 }
 
 void NodeInstanceView::timerEvent(QTimerEvent *event)

src/plugins/qmldesigner/designercore/metainfo/nodehints.cpp

@@ -165,6 +165,11 @@ bool NodeHints::canBeDroppedInNavigator() const
     return evaluateBooleanExpression("canBeDroppedInNavigator", true);
 }
 
+bool NodeHints::canBeDroppedInView3D() const
+{
+    return evaluateBooleanExpression("canBeDroppedInView3D", false);
+}
+
 bool NodeHints::isMovable() const
 {
     if (!isValid())

src/plugins/qmldesigner/designercore/model/abstractview.cpp

@@ -42,6 +42,7 @@
 #include <utils/algorithm.h>
 
 #include <QRegExp>
+#include <QtGui/qimage.h>
 
 namespace QmlDesigner {
 
@@ -362,7 +363,14 @@ void AbstractView::documentMessagesChanged(const QList<DocumentMessage> &/*error
 
 void AbstractView::currentTimelineChanged(const ModelNode & /*node*/)
 {
+}
 
+void AbstractView::renderImage3DChanged(const QImage &image)
+{
+}
+
+void AbstractView::updateActiveScene3D(const QVariantMap &sceneState)
+{
 }
 
 QList<ModelNode> AbstractView::toModelNodeList(const QList<Internal::InternalNode::Pointer> &nodeList) const
@@ -729,6 +737,18 @@ void AbstractView::emitInstanceToken(const QString &token, int number, const QVe
         model()->d->notifyInstanceToken(token, number, nodeVector);
 }
 
+void AbstractView::emitRenderImage3DChanged(const QImage &image)
+{
+    if (model())
+        model()->d->notifyRenderImage3DChanged(image);
+}
+
+void AbstractView::emitUpdateActiveScene3D(const QVariantMap &sceneState)
+{
+    if (model())
+        model()->d->notifyUpdateActiveScene3D(sceneState);
+}
+
 void AbstractView::emitRewriterEndTransaction()
 {
     if (model())

src/plugins/qmldesigner/designercore/model/model.cpp

@@ -668,6 +668,22 @@ void ModelPrivate::notifyCurrentTimelineChanged(const ModelNode &node)
         resetModelByRewriter(description);
 }
 
+void ModelPrivate::notifyRenderImage3DChanged(const QImage &image)
+{
+    for (const QPointer<AbstractView> &view : qAsConst(m_viewList)) {
+        Q_ASSERT(view != nullptr);
+        view->renderImage3DChanged(image);
+    }
+}
+
+void ModelPrivate::notifyUpdateActiveScene3D(const QVariantMap &sceneState)
+{
+    for (const QPointer<AbstractView> &view : qAsConst(m_viewList)) {
+        Q_ASSERT(view != nullptr);
+        view->updateActiveScene3D(sceneState);
+    }
+}
+
 void ModelPrivate::notifyRewriterBeginTransaction()
 {
     bool resetModel = false;

src/plugins/qmldesigner/designercore/model/model_p.h

@@ -158,6 +158,9 @@ public:
     void notifyCurrentStateChanged(const ModelNode &node);
     void notifyCurrentTimelineChanged(const ModelNode &node);
 
+    void notifyRenderImage3DChanged(const QImage &image);
+    void notifyUpdateActiveScene3D(const QVariantMap &sceneState);
+
     void setDocumentMessages(const QList<DocumentMessage> &errors, const QList<DocumentMessage> &warnings);
 
     void notifyRewriterBeginTransaction();

src/plugins/qmldesigner/designercore/model/viewmanager.cpp

@@ -36,6 +36,7 @@
 #include <itemlibraryview.h>
 #include <navigatorview.h>
 #include <stateseditorview.h>
+#include <edit3dview.h>
 #include <formeditorview.h>
 #include <texteditorview.h>
 #include <propertyeditorview.h>
@@ -63,6 +64,7 @@ public:
     DesignerActionManagerView designerActionManagerView;
     NodeInstanceView nodeInstanceView;
     ComponentView componentView;
+    Edit3DView edit3DView;
     FormEditorView formEditorView;
     TextEditorView textEditorView;
     ItemLibraryView itemLibraryView;
@@ -73,7 +75,6 @@ public:
     QList<QPointer<AbstractView> > additionalViews;
 };
 
-
 static CrumbleBar *crumbleBar() {
     return QmlDesignerPlugin::instance()->mainWidget()->crumbleBar();
 }
@@ -165,6 +166,7 @@ QList<QPointer<AbstractView> > ViewManager::views() const
 {
     auto list = d->additionalViews;
     list.append({
+                    &d->edit3DView,
                     &d->formEditorView,
                     &d->textEditorView,
                     &d->itemLibraryView,
@@ -195,6 +197,7 @@ void ViewManager::detachViewsExceptRewriterAndComponetView()
     switchStateEditorViewToBaseState();
     detachAdditionalViews();
     currentModel()->detachView(&d->designerActionManagerView);
+    currentModel()->detachView(&d->edit3DView);
     currentModel()->detachView(&d->formEditorView);
     currentModel()->detachView(&d->textEditorView);
     currentModel()->detachView(&d->navigatorView);
@@ -264,9 +267,15 @@ void ViewManager::attachViewsExceptRewriterAndComponetView()
     int last = time.elapsed();
     qCInfo(viewBenchmark) << "ActionManagerView:" << last << time.elapsed();
 
-    currentModel()->attachView(&d->formEditorView);
+    currentModel()->attachView(&d->edit3DView);
 
     int currentTime = time.elapsed();
+    qCInfo(viewBenchmark) << "Edit3DView:" << currentTime - last;
+    last = currentTime;
+
+    currentModel()->attachView(&d->formEditorView);
+
+    currentTime = time.elapsed();
     qCInfo(viewBenchmark) << "FormEditorView:" << currentTime - last;
     last = currentTime;
 
@@ -337,6 +346,7 @@ QList<WidgetInfo> ViewManager::widgetInfos() const
 {
     QList<WidgetInfo> widgetInfoList;
 
+    widgetInfoList.append(d->edit3DView.widgetInfo());
     widgetInfoList.append(d->formEditorView.widgetInfo());
     widgetInfoList.append(d->textEditorView.widgetInfo());
     widgetInfoList.append(d->itemLibraryView.widgetInfo());

src/plugins/qmldesigner/designmodewidget.cpp

@@ -31,6 +31,7 @@
 #include "qmldesignerplugin.h"
 #include "crumblebar.h"
 #include "documentwarningwidget.h"
+#include "edit3dview.h"
 
 #include <texteditor/textdocument.h>
 #include <nodeinstanceview.h>

src/plugins/qmldesigner/qmldesigner_dependencies.pri

@@ -23,6 +23,7 @@ INCLUDEPATH *= \
     $$PWD/components/componentcore \
     $$PWD/components/importmanager \
     $$PWD/components/itemlibrary \
+    $$PWD/components/edit3d \
     $$PWD/components/formeditor \
     $$PWD/components/navigator \
     $$PWD/components/stateseditor \

src/plugins/qmldesigner/qmldesignericons.h

@@ -47,5 +47,36 @@ const Utils::Icon NO_SNAPPING({
 const Utils::Icon NO_SNAPPING_AND_ANCHORING({
         {QLatin1String(":/icon/layout/snapping_and_anchoring.png"), Utils::Theme::IconsBaseColor}});
 
+const Utils::Icon EDIT3D_LIGHT_ON({
+        {QLatin1String(":/edit3d/images/edit_light_on.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_LIGHT_OFF({
+        {QLatin1String(":/edit3d/images/edit_light_off.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_SELECTION_MODE_ON({
+        {QLatin1String(":/edit3d/images/group_selection_selected.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_SELECTION_MODE_OFF({
+        {QLatin1String(":/edit3d/images/item_selection_selected.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_MOVE_TOOL_ON({
+        {QLatin1String(":/edit3d/images/move_selected.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_MOVE_TOOL_OFF({
+        {QLatin1String(":/edit3d/images/move_active.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_ROTATE_TOOL_ON({
+        {QLatin1String(":/edit3d/images/rotate_selected.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_ROTATE_TOOL_OFF({
+        {QLatin1String(":/edit3d/images/rotate_active.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_SCALE_TOOL_ON({
+        {QLatin1String(":/edit3d/images/scale_selected.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_SCALE_TOOL_OFF({
+        {QLatin1String(":/edit3d/images/scale_active.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_FIT_SELECTED_OFF({
+        {QLatin1String(":/edit3d/images/fit_active.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_EDIT_CAMERA_ON({
+        {QLatin1String(":/edit3d/images/persp.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_EDIT_CAMERA_OFF({
+        {QLatin1String(":/edit3d/images/ortho.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_ORIENTATION_ON({
+        {QLatin1String(":/edit3d/images/global.png"), Utils::Theme::IconsBaseColor}});
+const Utils::Icon EDIT3D_ORIENTATION_OFF({
+        {QLatin1String(":/edit3d/images/local.png"), Utils::Theme::IconsBaseColor}});
+
 } // Icons
 } // QmlDesigner

src/plugins/qmldesigner/qmldesignerplugin.pro

@@ -13,6 +13,7 @@ include(designercore/designercore-lib.pri)
 include(components/componentcore/componentcore.pri)
 include(components/integration/integration.pri)
 include(components/propertyeditor/propertyeditor.pri)
+include(components/edit3d/edit3d.pri)
 include(components/formeditor/formeditor.pri)
 include(components/texteditor/texteditor.pri)
 include(components/itemlibrary/itemlibrary.pri)

src/plugins/qmldesigner/qmldesignerplugin.qbs

@@ -51,6 +51,7 @@ Project {
              "components/importmanager",
              "components/integration",
              "components/propertyeditor",
+             "components/edit3d",
              "components/formeditor",
              "components/itemlibrary",
              "components/navigator",
@@ -70,6 +71,7 @@ Project {
             cpp.includePaths: base.concat([
                 product.sourceDirectory,
                 product.sourceDirectory + "/components/componentcore",
+                product.sourceDirectory + "/components/edit3d",
                 product.sourceDirectory + "/components/formeditor",
                 product.sourceDirectory + "/components/integration",
                 product.sourceDirectory + "/designercore",
@@ -175,12 +177,14 @@ Project {
                 "commands/drop3dlibraryitemcommand.h",
                 "commands/update3dviewstatecommand.cpp",
                 "commands/update3dviewstatecommand.h",
-                "commands/enable3dviewcommand.cpp",
-                "commands/enable3dviewcommand.h",
                 "commands/view3dclosedcommand.cpp",
                 "commands/view3dclosedcommand.h",
                 "commands/puppettocreatorcommand.cpp",
                 "commands/puppettocreatorcommand.h",
+                "commands/inputeventcommand.cpp",
+                "commands/inputeventcommand.h",
+                "commands/view3dactioncommand.cpp",
+                "commands/view3dactioncommand.h",
                 "container/addimportcontainer.cpp",
                 "container/addimportcontainer.h",
                 "container/idcontainer.cpp",
@@ -444,6 +448,15 @@ Project {
                 "debugview/debugviewwidget.cpp",
                 "debugview/debugviewwidget.h",
                 "debugview/debugviewwidget.ui",
+                "edit3d/edit3dview.cpp",
+                "edit3d/edit3dview.h",
+                "edit3d/edit3dwidget.cpp",
+                "edit3d/edit3dwidget.h",
+                "edit3d/edit3dcanvas.cpp",
+                "edit3d/edit3dcanvas.h",
+                "edit3d/edit3dactions.cpp",
+                "edit3d/edit3dactions.h",
+                "edit3d/edit3d.qrc",
                 "formeditor/abstractcustomtool.cpp",
                 "formeditor/abstractcustomtool.h",
                 "formeditor/abstractformeditortool.cpp",

src/plugins/qmldesigner/switchsplittabwidget.cpp

@@ -121,25 +121,32 @@ QWidget *SwitchSplitTabWidget::currentWidget() const
 
 void SwitchSplitTabWidget::updateSplitterSizes(int index)
 {
-    if (isHidden()) {
+    QVector<int> splitterSizes(m_splitter->count());
-        // we cannot get the sizes if the splitter is hidden
-        m_splittSizesAreDirty = true;
-        return;
-    }
-    QVector<int> splitterSizes = m_splitter->sizes().toVector();
     int splitterFullSize = 0;
-    for (int size : splitterSizes)
+    bool isHorizontal = m_splitter->orientation() == Qt::Horizontal;
-        splitterFullSize += size;
+    for (int i = 0; i < m_splitter->count(); ++i) {
+        auto widget = m_splitter->widget(i);
+        splitterFullSize += isHorizontal ? widget->width() : widget->height();
+    }
+
     if (index > -1) {
-        // collapse all but not the one at index
+        // collapse all but the one at index
         splitterSizes.fill(0);
         splitterSizes.replace(index, splitterFullSize);
     } else {
-        // distribute full size
+        // distribute full size among enabled tabs
-        splitterSizes.fill(splitterFullSize / splitterSizes.count());
+        int divisor = splitterSizes.count();
+        for (int i = 0; i < m_splitter->count(); ++i) {
+            if (!m_tabBar->isTabEnabled(i + fakeTab))
+                --divisor;
         }
+
+        int splitSize = splitterFullSize / divisor;
+        for (int i = 0; i < m_splitter->count(); ++i)
+            splitterSizes.replace(i, m_tabBar->isTabEnabled(i + fakeTab) ? splitSize : 0);
+    }
+
     m_splitter->setSizes(splitterSizes.toList());
-    m_splittSizesAreDirty = false;
 }
 
 int SwitchSplitTabWidget::addTab(QWidget *w, const QString &label)
@@ -178,20 +185,10 @@ void SwitchSplitTabWidget::switchTo(QWidget *widget)
         updateSplitterSizes(widgetIndex);
         m_tabBar->setCurrentIndex(widgetIndex + fakeTab);
     }
+
     widget->setFocus();
 }
 
-bool SwitchSplitTabWidget::event(QEvent *event)
-{
-    if (event->type() == QEvent::Show && m_splittSizesAreDirty) {
-        bool returnValue = QWidget::event(event);
-        updateSplitterSizes(m_tabBar->currentIndex() - fakeTab);
-        return returnValue;
-    }
-
-    return QWidget::event(event);
-}
-
 void SwitchSplitTabWidget::updateSplitButtons()
 {
     const bool isTabBarNecessary = count() > 1;
@@ -203,14 +200,13 @@ void SwitchSplitTabWidget::selectFakeTab()
     m_tabBar->setCurrentIndex(0);
 }
 
-SwitchSplitTabWidget::Mode SwitchSplitTabWidget::mode()
+SwitchSplitTabWidget::Mode SwitchSplitTabWidget::mode() const
 {
     const bool isTabBarNecessary = count() > 1;
     const int fakeTabPosition = 0;
     const int hasSelectedTab = m_tabBar->currentIndex() > fakeTabPosition;
-    if (isTabBarNecessary && !hasSelectedTab)
+    // Note: When splitting the view by dragging from the side of the view, SplitMode is not detected
-        return SplitMode;
+    return (isTabBarNecessary && !hasSelectedTab) ? SplitMode : TabMode;
-    return TabMode;
 }
 
 } // namespace QmlDesigner

src/plugins/qmldesigner/switchsplittabwidget.h

@@ -37,10 +37,9 @@ namespace QmlDesigner {
 class SwitchSplitTabWidget : public QWidget
 {
     Q_OBJECT
-    enum Mode {
+
-        SplitMode,
+    enum Mode { SplitMode, TabMode };
-        TabMode
+
-    };
 public:
     explicit SwitchSplitTabWidget(QWidget *parent = nullptr);
     int count() const;
@@ -50,19 +49,15 @@ public:
     QWidget *takeTabWidget(const int index);
     void switchTo(QWidget *widget);
 
-protected:
-    bool event(QEvent* event) override;
-
 private:
     void updateSplitterSizes(int index = -1);
     void updateSplitButtons();
     void selectFakeTab();
-    Mode mode();
+    Mode mode() const;
 
     QSplitter *m_splitter = nullptr;
     QTabBar *m_tabBar = nullptr;
     QWidget *m_tabBarBackground = nullptr;
     const int fakeTab = 1;
-    bool m_splittSizesAreDirty = true;
 };
 } // namespace QmlDesigner

src/tools/qml2puppet/CMakeLists.txt

@@ -47,9 +47,10 @@ extend_qtc_executable(qml2puppet
     changeselectioncommand.cpp changeselectioncommand.h
     drop3dlibraryitemcommand.cpp drop3dlibraryitemcommand.h
     update3dviewstatecommand.cpp update3dviewstatecommand.h
-    enable3dviewcommand.cpp enable3dviewcommand.h
     view3dclosedcommand.cpp view3dclosedcommand.h
     puppettocreatorcommand.cpp puppettocreatorcommand.h
+    inputeventcommand.cpp inputeventcommand.h
+    view3dactioncommand.cpp view3dactioncommand.h
     valueschangedcommand.cpp
 )
 

src/tools/qml2puppet/qml2puppet.qbs

@@ -99,12 +99,14 @@ QtcTool {
             "commands/drop3dlibraryitemcommand.h",
             "commands/update3dviewstatecommand.cpp",
             "commands/update3dviewstatecommand.h",
-            "commands/enable3dviewcommand.cpp",
-            "commands/enable3dviewcommand.h",
             "commands/view3dclosedcommand.cpp",
             "commands/view3dclosedcommand.h",
             "commands/puppettocreatorcommand.cpp",
             "commands/puppettocreatorcommand.h",
+            "commands/inputeventcommand.cpp",
+            "commands/inputeventcommand.h",
+            "commands/view3dactioncommand.cpp",
+            "commands/view3dactioncommand.h",
             "container/addimportcontainer.cpp",
             "container/addimportcontainer.h",
             "container/idcontainer.cpp",