QmlDesigner: Introduce QMLDESIGNER_QUICK3D_MODE

We should enable the 3d edit mode only, if there is
QtQuick3D import. Additionally there should also be an option in the UI.

Change-Id: I2010f2cdd6546c63a2263b8ee02480d4f13177c2
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

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

@@ -69,6 +69,8 @@ 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"))
+            DesignerSupport::activateDesignerWindowManager();
         setNodeInstanceServer(new Qt5InformationNodeInstanceServer(this));
         initializeSocket();
     } else if (QCoreApplication::arguments().at(2) == QLatin1String("rendermode")) {

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

@@ -71,8 +71,9 @@ void Qt5NodeInstanceServer::initializeView()
 
     DesignerSupport::createOpenGLContext(m_quickView.data());
 
-    if (QCoreApplication::arguments().at(2) == "editormode") {
+    if (qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_MODE")
-        /* In 'editormode' we do not use the DesignerWindowManager
+        && 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 */
         auto context = new QOpenGLContext(m_quickView);
         context->setFormat(surfaceFormat);

share/qtcreator/qml/qmlpuppet/qml2puppet/qml2puppetmain.cpp

@@ -133,6 +133,9 @@ int main(int argc, char *argv[])
     // subpixel antialiasing and instead use gray.
     qputenv("QSG_DISTANCEFIELD_ANTIALIASING", "gray");
 #ifdef Q_OS_MACOS
+    if (!qEnvironmentVariableIsSet("QMLDESIGNER_QUICK3D_MODE")) {
+        qputenv("QT_MAC_DISABLE_FOREGROUND_APPLICATION_TRANSFORM", "true");
+    } else {
         // We have to parse the arguments before Q[Gui]Application creation
         // Since the Qt arguments are not filtered out, yet we do not know the position of the argument
         for (int i = 0; i < argc; ++i) {
@@ -142,6 +145,7 @@ int main(int argc, char *argv[])
                 qputenv("QT_MAC_DISABLE_FOREGROUND_APPLICATION_TRANSFORM", "true");
             // This keeps qml2puppet from stealing focus
         }
+    }
 #endif
 
     //If a style different from Desktop is set we have to use QGuiApplication

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

@@ -465,6 +465,12 @@ QProcessEnvironment PuppetCreator::processEnvironment() const
 
     QStringList importPaths = m_model->importPaths();
 
+    QmlDesigner::Import import = QmlDesigner::Import::createLibraryImport("QtQuick3D", "1.0");
+
+    if (m_model->hasImport(import, true, true))
+        environment.set("QMLDESIGNER_QUICK3D_MODE", "true");
+
+
     /* For the fallback puppet we have to remove the path to the original qtbase plugins to avoid conflics */
     if (m_availablePuppetType == FallbackPuppet)
         filterOutQtBaseImportPath(&importPaths);