ui: Indexing UI

* Added DialogView with QtDialogView implementation to handle information dialogs
* Implemented QtIndexingDialog class that covers all different dialogs for indexing
* Directly communicate with DialogView from Prpject and all Tasks involved in indexing
* Block QtMainWindow UI while indexing

src/lib_gui/qt/view/QtViewFactory.cpp

@@ -3,6 +3,7 @@
 #include "component/view/GraphViewStyle.h"
 #include "qt/view/QtCodeView.h"
 #include "qt/view/QtCompositeView.h"
+#include "qt/view/QtDialogView.h"
 #include "qt/view/QtGraphView.h"
 #include "qt/view/QtGraphViewStyleImpl.h"
 #include "qt/view/QtMainView.h"
@@ -63,3 +64,8 @@ std::shared_ptr<UndoRedoView> QtViewFactory::createUndoRedoView(ViewLayout* view
 {
 	return View::createInitAndAddToLayout<QtUndoRedoView>(viewLayout);
 }
+
+std::shared_ptr<DialogView> QtViewFactory::createDialogView(ViewLayout* viewLayout) const
+{
+	return std::make_shared<QtDialogView>(dynamic_cast<QtMainView*>(viewLayout)->getMainWindow());
+}