Rename QWidgetBackingStore to QWidgetRepaintManager

Quoting a blog from 2009, "this class is responsible for figuring out which parts
of the window surface needs to be updated prior to showing it to screen, so it's
really a repaint manager."

https://blog.qt.io/blog/2009/12/16/qt-graphics-and-performance-an-overview/

What better time to do the rename than 10 years later!

Change-Id: Ibf3c3bc8c7df64ac03d72e1f71d296b62d832fee
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/widgets/kernel/qwidget.h b/src/widgets/kernel/qwidget.h
index 0777bed65c..f7ec7f9cf1 100644
--- a/src/widgets/kernel/qwidget.h
+++ b/src/widgets/kernel/qwidget.h
@@ -697,7 +697,7 @@ private:
     QLayout *takeLayout();
 
     friend class QBackingStoreDevice;
-    friend class QWidgetBackingStore;
+    friend class QWidgetRepaintManager;
     friend class QApplication;
     friend class QApplicationPrivate;
     friend class QGuiApplication;