QmlDesigner: Simplify hidden and locked handling for gizmos

There is no need to have an event filter to listen to changes to
_edit3dLocked and _edit3dHidden properties, as they are only changed
in one place. We can simply emit the change notification there.

Fixes: QDS-6403
Change-Id: I8136f38fd8e435e3a4dbd69d70169496e1675dfa
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Samuel Ghinet <samuel.ghinet@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

share/qtcreator/qml/qmlpuppet/mockfiles/qt5/EditView3D.qml

@@ -385,14 +385,12 @@ Item {
             lightIconGizmos[slotFound].targetNode = obj;
             lightIconGizmos[slotFound].locked = _generalHelper.isLocked(obj);
             lightIconGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
         // No free gizmos available, create a new one
         var gizmoComponent = Qt.createComponent("LightIconGizmo.qml");
         if (gizmoComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var gizmo = gizmoComponent.createObject(overlayView,
                                                     {"view3D": overlayView, "targetNode": obj,
                                                      "selectedNodes": selectedNodes, "scene": scene,
@@ -426,7 +424,6 @@ Item {
             cameraGizmos[slotFound].targetNode = obj;
             cameraGizmos[slotFound].locked = _generalHelper.isLocked(obj);
             cameraGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
@@ -434,7 +431,6 @@ Item {
         var gizmoComponent = Qt.createComponent("CameraGizmo.qml");
         var frustumComponent = Qt.createComponent("CameraFrustum.qml");
         if (gizmoComponent.status === Component.Ready && frustumComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var geometryName = _generalHelper.generateUniqueName("CameraGeometry");
             var frustum = frustumComponent.createObject(
                         overlayScene,
@@ -463,7 +459,6 @@ Item {
             if (lightIconGizmos[i].targetNode === obj) {
                 lightIconGizmos[i].scene = null;
                 lightIconGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
                 return;
             }
         }
@@ -475,7 +470,6 @@ Item {
             if (cameraGizmos[i].targetNode === obj) {
                 cameraGizmos[i].scene = null;
                 cameraGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
                 return;
             }
         }

share/qtcreator/qml/qmlpuppet/mockfiles/qt6/EditView3D.qml

@@ -385,14 +385,12 @@ Item {
             lightIconGizmos[slotFound].targetNode = obj;
             lightIconGizmos[slotFound].locked = _generalHelper.isLocked(obj);
             lightIconGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
         // No free gizmos available, create a new one
         var gizmoComponent = Qt.createComponent("LightIconGizmo.qml");
         if (gizmoComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var gizmo = gizmoComponent.createObject(overlayView,
                                                     {"view3D": overlayView, "targetNode": obj,
                                                      "selectedNodes": selectedNodes, "scene": scene,
@@ -426,7 +424,6 @@ Item {
             cameraGizmos[slotFound].targetNode = obj;
             cameraGizmos[slotFound].locked = _generalHelper.isLocked(obj);
             cameraGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
@@ -434,7 +431,6 @@ Item {
         var gizmoComponent = Qt.createComponent("CameraGizmo.qml");
         var frustumComponent = Qt.createComponent("CameraFrustum.qml");
         if (gizmoComponent.status === Component.Ready && frustumComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var geometryName = _generalHelper.generateUniqueName("CameraGeometry");
             var frustum = frustumComponent.createObject(
                         overlayScene,
@@ -475,14 +471,12 @@ Item {
             particleSystemIconGizmos[slotFound].targetNode = obj;
             particleSystemIconGizmos[slotFound].locked = _generalHelper.isLocked(obj);
             particleSystemIconGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
         // No free gizmos available, create a new one
         var gizmoComponent = Qt.createComponent("ParticleSystemGizmo.qml");
         if (gizmoComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var gizmo = gizmoComponent.createObject(overlayView,
                                                     {"view3D": overlayView, "targetNode": obj,
                                                      "selectedNodes": selectedNodes, "scene": scene,
@@ -518,14 +512,12 @@ Item {
             particleEmitterGizmos[slotFound].targetNode = obj;
             particleEmitterGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
             particleEmitterGizmos[slotFound].systemHidden = _generalHelper.isHidden(obj.system);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
         // No free gizmos available, create a new one
         var gizmoComponent = Qt.createComponent("ParticleEmitterGizmo.qml");
         if (gizmoComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var gizmo = gizmoComponent.createObject(
                         overlayScene,
                         {"targetNode": obj, "selectedNodes": selectedNodes,
@@ -548,7 +540,6 @@ Item {
             if (lightIconGizmos[i].targetNode === obj) {
                 lightIconGizmos[i].scene = null;
                 lightIconGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
                 return;
             }
         }
@@ -560,7 +551,6 @@ Item {
             if (cameraGizmos[i].targetNode === obj) {
                 cameraGizmos[i].scene = null;
                 cameraGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
                 return;
             }
         }
@@ -572,7 +562,6 @@ Item {
             if (particleSystemIconGizmos[i].targetNode === obj) {
                 particleSystemIconGizmos[i].scene = null;
                 particleSystemIconGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
                 return;
             }
         }
@@ -584,7 +573,6 @@ Item {
             if (particleEmitterGizmos[i].targetNode === obj) {
                 particleEmitterGizmos[i].scene = null;
                 particleEmitterGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
                 return;
             }
         }

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

@@ -410,22 +410,6 @@ QQuick3DNode *GeneralHelper::resolvePick(QQuick3DNode *pickNode)
     return pickNode;
 }
 
-void GeneralHelper::registerGizmoTarget(QQuick3DNode *node)
-{
-    if (!m_gizmoTargets.contains(node)) {
-        m_gizmoTargets.insert(node);
-        node->installEventFilter(this);
-    }
-}
-
-void GeneralHelper::unregisterGizmoTarget(QQuick3DNode *node)
-{
-    if (m_gizmoTargets.contains(node)) {
-        m_gizmoTargets.remove(node);
-        node->removeEventFilter(this);
-    }
-}
-
 bool GeneralHelper::isLocked(QQuick3DNode *node) const
 {
     if (node) {
@@ -744,21 +728,6 @@ bool GeneralHelper::isRotationBlocked(QQuick3DNode *node) const
     return m_rotationBlockedNodes.contains(node);
 }
 
-bool GeneralHelper::eventFilter(QObject *obj, QEvent *event)
-{
-    if (event->type() == QEvent::DynamicPropertyChange) {
-        auto node = qobject_cast<QQuick3DNode *>(obj);
-        if (m_gizmoTargets.contains(node)) {
-            auto de = static_cast<QDynamicPropertyChangeEvent *>(event);
-            if (de->propertyName() == "_edit3dLocked")
-                emit lockedStateChanged(node);
-            else if (de->propertyName() == "_edit3dHidden")
-                emit hiddenStateChanged(node);
-        }
-    }
-    return QObject::eventFilter(obj, event);
-}
-
 void GeneralHelper::handlePendingToolStateUpdate()
 {
     m_toolStateUpdateTimer.stop();

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

@@ -84,8 +84,6 @@ public:
     Q_INVOKABLE QQuick3DPickResult pickViewAt(QQuick3DViewport *view, float posX, float posY);
     Q_INVOKABLE QQuick3DNode *resolvePick(QQuick3DNode *pickNode);
 
-    Q_INVOKABLE void registerGizmoTarget(QQuick3DNode *node);
-    Q_INVOKABLE void unregisterGizmoTarget(QQuick3DNode *node);
     Q_INVOKABLE bool isLocked(QQuick3DNode *node) const;
     Q_INVOKABLE bool isHidden(QQuick3DNode *node) const;
     Q_INVOKABLE bool isPickable(QQuick3DNode *node) const;
@@ -125,9 +123,6 @@ signals:
     void lockedStateChanged(QQuick3DNode *node);
     void rotationBlocksChanged();
 
-protected:
-    bool eventFilter(QObject *obj, QEvent *event) final;
-
 private:
     void handlePendingToolStateUpdate();
     QVector3D pivotScenePosition(QQuick3DNode *node) const;
@@ -138,7 +133,6 @@ private:
     QTimer m_toolStateUpdateTimer;
     QHash<QString, QVariantMap> m_toolStates;
     QHash<QString, QVariantMap> m_toolStatesPending;
-    QSet<QQuick3DNode *> m_gizmoTargets;
     QSet<QQuick3DNode *> m_rotationBlockedNodes;
 
     struct MultiSelData {

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

@@ -2278,8 +2278,12 @@ void Qt5InformationNodeInstanceServer::handleInstanceLocked(const ServerNodeInst
 
     QObject *obj = instance.internalObject();
     auto node = qobject_cast<QQuick3DNode *>(obj);
-    if (node)
+    if (node) {
         node->setProperty("_edit3dLocked", edit3dLocked);
+        auto helper = qobject_cast<QmlDesigner::Internal::GeneralHelper *>(m_3dHelper);
+        if (helper)
+            emit helper->lockedStateChanged(node);
+    }
     const auto children = obj->children();
     for (auto child : children) {
         if (hasInstanceForObject(child)) {
@@ -2334,6 +2338,9 @@ void Qt5InformationNodeInstanceServer::handleInstanceHidden(const ServerNodeInst
         // as changes in the node tree (reparenting, adding new nodes) can make the previously set
         // hide status based on ancestor unreliable.
         node->setProperty("_edit3dHidden", edit3dHidden);
+        auto helper = qobject_cast<QmlDesigner::Internal::GeneralHelper *>(m_3dHelper);
+        if (helper)
+            emit helper->hiddenStateChanged(node);
 #if QT_VERSION < QT_VERSION_CHECK(6, 2, 1)
         if (auto model = qobject_cast<QQuick3DModel *>(node))
             model->setPickable(!edit3dHidden); // allow 3D objects to receive mouse clicks