statistics: remove QSceneGraph

All items are now painted with QSG.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

1 files changed, 2 insertions, 19 deletions

diff --git a/stats/statshelper.h b/stats/statshelper.h
index 29dc083a4..f5d7cbcea 100644
--- a/stats/statshelper.h
+++ b/stats/statshelper.h
@@ -1,29 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0
-// Helper functions to render the stats. Currently only
-// contains a small template to create scene-items. This
-// is for historical reasons to ease transition from QtCharts
-// and might be removed.
+// Helper functions to render the stats. Currently contains
+// QSGNode template jugglery to overcome API flaws.
 #ifndef STATSHELPER_H
 #define STATSHELPER_H
 
 #include <memory>
-#include <QGraphicsScene>
 #include <QSGNode>
 
-template <typename T, class... Args>
-T *createItem(QGraphicsScene *scene, Args&&... args)
-{
-	T *res = new T(std::forward<Args>(args)...);
-	scene->addItem(res);
-	return res;
-}
-
-template <typename T, class... Args>
-std::unique_ptr<T> createItemPtr(QGraphicsScene *scene, Args&&... args)
-{
-	return std::unique_ptr<T>(createItem<T>(scene, std::forward<Args>(args)...));
-}
-
 // In general, we want chart items to be hideable. For example to show/hide
 // labels on demand. Very sadly, the QSG API is absolutely terrible with
 // respect to temporarily disabling. Instead of simply having a flag,