Refactor data item

Data items do not need to know about rendering related stuff,
so separated that to render items. Renderer will maintain
array of render items equal to the sample space.

Change-Id: I61c0db96f115b7c667e37ea92aa5ae6b8583c61a
Reviewed-by: Mika Salmela <mika.salmela@digia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/examples/widget/chart.h b/examples/widget/chart.h
index 3c943588..8b7aaa39 100644
--- a/examples/widget/chart.h
+++ b/examples/widget/chart.h
@@ -57,7 +57,8 @@ public:
     ~ChartModifier();
 
     void addDataSet();
-    void addBars();
+    void addRow();
+    void addRows();
     void changeStyle();
     void changePresetCamera();
     void changeTheme();