Defer loading .rdc from drag & drop, to unblock the calling application

qrenderdoc/Code/QRDUtils.cpp

@@ -372,6 +372,11 @@ void GUIInvoke::call(const std::function<void()> &f)
     return;
   }
 
+  defer(f);
+}
+
+void GUIInvoke::defer(const std::function<void()> &f)
+{
   GUIInvoke *invoke = new GUIInvoke(f);
   invoke->moveToThread(qApp->thread());
   invoke->metaObject()->method(methodIndex).invoke(invoke, Qt::QueuedConnection);

qrenderdoc/Code/QRDUtils.h

@@ -177,6 +177,9 @@ public:
   static void blockcall(const std::function<void()> &f);
   static bool onUIThread();
 
+  // same as call() above, but it doesn't check for an instant call on the UI thread
+  static void defer(const std::function<void()> &f);
+
 protected slots:
   void doInvoke()
   {