Clean up StudioUtils

Made StudioUtils a class of static functions instead of global
functions. Also cleaned up the code a bit where changes happened
because of this change.

Change-Id: Ic583dd25bf228c7e344be6664b6651958d84906e
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Janne Kangas <janne.kangas@qt.io>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/Authoring/Studio/Palettes/Action/EventsModel.cpp b/src/Authoring/Studio/Palettes/Action/EventsModel.cpp
index 6d8e4b19..981ab95a 100644
--- a/src/Authoring/Studio/Palettes/Action/EventsModel.cpp
+++ b/src/Authoring/Studio/Palettes/Action/EventsModel.cpp
@@ -152,9 +152,9 @@ QVariant EventsModel::data(const QModelIndex &index, int role) const
     case DescriptionRole:
         return isCategory ? category.description: event.description;
     case IconRole:
-        return isCategory ? resourceImageUrl() + category.icon : "";
+        return isCategory ? StudioUtils::resourceImageUrl() + category.icon : QString();
     case HighlightedIconRole:
-        return isCategory ? resourceImageUrl() + category.highlightIcon : "";
+        return isCategory ? StudioUtils::resourceImageUrl() + category.highlightIcon : QString();
     case ExpandedRole:
         return isCategory ? category.expanded : false;
     case ParentExpandedRole: {