Make all loaders synchronous in qquickdesigner support case

It could result in wrong/strange behavior if the QtQuickDesigner
shows asynchronous loaded items in the FormEditor view. So keep
this setting disabled in that case.

Change-Id: I9bbd75f33eb009e31064744564cc4104df624c3c
Reviewed-by: Robin Burchell <robin.burchell@crimson.no>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/quick/designer/qquickdesignersupportitems.cpp b/src/quick/designer/qquickdesignersupportitems.cpp
index 2003b484ad..874faed0af 100644
--- a/src/quick/designer/qquickdesignersupportitems.cpp
+++ b/src/quick/designer/qquickdesignersupportitems.cpp
@@ -47,6 +47,7 @@
 #include <private/qquicktextinput_p.h>
 #include <private/qquicktextedit_p.h>
 #include <private/qquicktransition_p.h>
+#include <private/qquickloader_p.h>
 
 #include <private/qquickanimation_p.h>
 #include <private/qqmlmetatype_p.h>
@@ -79,6 +80,12 @@ static void stopAnimation(QObject *object)
     }
 }
 
+static void makeLoaderSynchronous(QObject *object)
+{
+    if (QQuickLoader *loader = qobject_cast<QQuickLoader*>(object))
+        loader->setAsynchronous(false);
+}
+
 static void allSubObjects(QObject *object, QObjectList &objectList)
 {
     // don't add null pointer and stop if the object is already in the list
@@ -137,6 +144,7 @@ void QQuickDesignerSupportItems::tweakObjects(QObject *object)
     allSubObjects(object, objectList);
     for (QObject* childObject : qAsConst(objectList)) {
         stopAnimation(childObject);
+        makeLoaderSynchronous(childObject);
         if (fixResourcePathsForObjectCallBack)
             fixResourcePathsForObjectCallBack(childObject);
     }