QmlDesigner: Add toggle button for 3D split view

The button and puppet communication is added for split view toggle.

Task-number: QDS-10921
Change-Id: I4322dfff6772eec493a2f3ce1722cdefb69bc490
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/libs/qmlpuppetcommunication/interfaces/nodeinstanceglobal.h

@@ -46,7 +46,8 @@ enum class View3DActionType {
     ParticlesSeek,
     SyncEnvBackground,
     GetNodeAtPos,
-    SetBakeLightsView3D
+    SetBakeLightsView3D,
+    SplitViewToggle
 };
 
 constexpr bool isNanotraceEnabled()

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

@@ -121,6 +121,7 @@ void Edit3DView::updateActiveScene3D(const QVariantMap &sceneState)
     const QString particleEmitterKey = QStringLiteral("showParticleEmitter");
     const QString particlesPlayKey   = QStringLiteral("particlePlay");
     const QString syncEnvBgKey       = QStringLiteral("syncEnvBackground");
+    const QString splitViewKey       = QStringLiteral("splitView");
 
     if (sceneState.contains(sceneKey)) {
         qint32 newActiveScene = sceneState[sceneKey].value<qint32>();
@@ -191,6 +192,11 @@ void Edit3DView::updateActiveScene3D(const QVariantMap &sceneState)
     else
         m_particlesPlayAction->action()->setChecked(true);
 
+    if (sceneState.contains(splitViewKey))
+        m_splitViewAction->action()->setChecked(sceneState[splitViewKey].toBool());
+    else
+        m_splitViewAction->action()->setChecked(false);
+
     // Syncing background color only makes sense for children of View3D instances
     bool syncValue = false;
     bool syncEnabled = false;
@@ -1015,6 +1021,17 @@ void Edit3DView::createEdit3DActions()
         this,
         snapConfigTrigger);
 
+    m_splitViewAction = std::make_unique<Edit3DAction>(
+        QmlDesigner::Constants::EDIT3D_SPLIT_VIEW,
+        View3DActionType::SplitViewToggle,
+        QCoreApplication::translate("SplitViewToggleAction",
+                                    "Toggle Split View On/Off"),
+        QKeySequence(Qt::Key_4),
+        true,
+        false,
+        toolbarIcon(DesignerIcons::ScaleToolIcon), // TODO Placeholder, needs proper icon
+        this);
+
     m_leftActions << m_selectionModeAction.get();
     m_leftActions << nullptr; // Null indicates separator
     m_leftActions << nullptr; // Second null after separator indicates an exclusive group
@@ -1036,6 +1053,7 @@ void Edit3DView::createEdit3DActions()
     m_leftActions << nullptr;
     m_leftActions << m_visibilityTogglesAction.get();
     m_leftActions << m_backgroundColorMenuAction.get();
+    m_leftActions << m_splitViewAction.get();
 
     m_rightActions << m_particleViewModeAction.get();
     m_rightActions << m_particlesPlayAction.get();

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

@@ -139,6 +139,7 @@ private:
     std::unique_ptr<Edit3DAction> m_selectBackgroundColorAction;
     std::unique_ptr<Edit3DAction> m_selectGridColorAction;
     std::unique_ptr<Edit3DAction> m_resetColorAction;
+    std::unique_ptr<Edit3DAction> m_splitViewAction;
 
     // View3DActionType::Empty actions
     std::unique_ptr<Edit3DAction> m_resetAction;

src/plugins/qmldesigner/qmldesignerconstants.h

@@ -62,6 +62,7 @@ const char EDIT3D_PARTICLE_MODE[]     = "QmlDesigner.Editor3D.ParticleViewModeTo
 const char EDIT3D_PARTICLES_PLAY[]    = "QmlDesigner.Editor3D.ParticlesPlay";
 const char EDIT3D_PARTICLES_SEEKER[]    = "QmlDesigner.Editor3D.ParticlesSeeker";
 const char EDIT3D_PARTICLES_RESTART[] = "QmlDesigner.Editor3D.ParticlesRestart";
+const char EDIT3D_SPLIT_VIEW[]  = "QmlDesigner.Editor3D.SplitViewToggle";
 const char EDIT3D_VISIBILITY_TOGGLES[] = "QmlDesigner.Editor3D.VisibilityToggles";
 const char EDIT3D_BACKGROUND_COLOR_ACTIONS[] = "QmlDesigner.Editor3D.BackgroundColorActions";
 const char EDIT3D_BAKE_LIGHTS[] = "QmlDesigner.Editor3D.BakeLights";

src/tools/qml2puppet/mockfiles/qt6/EditView3D.qml

@@ -28,6 +28,7 @@ Item {
     property color backgroundGradientColorEnd: "#999999"
     property color gridColor: "#cccccc"
     property bool syncEnvBackground: false
+    property bool splitView: false
 
     enum SelectionMode { Item, Group }
     enum TransformMode { Move, Rotate, Scale }
@@ -65,6 +66,7 @@ Item {
     onShowParticleEmitterChanged: _generalHelper.storeToolState(sceneId, "showParticleEmitter", showParticleEmitter);
     onSelectionModeChanged:       _generalHelper.storeToolState(sceneId, "selectionMode", selectionMode);
     onTransformModeChanged:       _generalHelper.storeToolState(sceneId, "transformMode", transformMode);
+    onSplitViewChanged:           _generalHelper.storeToolState(sceneId, "splitView", splitView)
 
     onActiveSceneChanged: updateActiveScene()
 
@@ -294,6 +296,11 @@ Item {
             cameraControl.restoreCameraState(toolStates.editCamState);
         else if (resetToDefault)
             cameraControl.restoreDefaultState();
+
+        if ("splitView" in toolStates)
+            splitView = toolStates.splitView;
+        else if (resetToDefault)
+            splitView = false;
     }
 
     function storeCurrentToolStates()
@@ -309,6 +316,7 @@ Item {
         _generalHelper.storeToolState(sceneId, "globalOrientation", globalOrientation)
         _generalHelper.storeToolState(sceneId, "selectionMode", selectionMode);
         _generalHelper.storeToolState(sceneId, "transformMode", transformMode);
+        _generalHelper.storeToolState(sceneId, "splitView", splitView)
 
         cameraControl.storeCameraState(0);
     }

src/tools/qml2puppet/qml2puppet/instances/qt5informationnodeinstanceserver.cpp

@@ -2497,6 +2497,9 @@ void Qt5InformationNodeInstanceServer::view3DAction(const View3DActionCommand &c
         return;
     }
 #endif
+    case View3DActionType::SplitViewToggle:
+        updatedToolState.insert("splitView", command.isEnabled());
+        break;
 
     default:
         break;