Move selection labels to renderer from render items

Creating a new label on demand is fast enough, so we don't need to
store old labels. Storing labels unnecessarily leads to unchecked
use of graphics memory.

Optimized bar slices a bit by having separate class of render items
for slice items.

Change-Id: I5afdecfb3949393341b6c3eaefbc667c65da32e3
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 0 insertions, 9 deletions

diff --git a/src/datavisualization/data/abstractrenderitem_p.h b/src/datavisualization/data/abstractrenderitem_p.h
index a53b8e41..912a09f3 100644
--- a/src/datavisualization/data/abstractrenderitem_p.h
+++ b/src/datavisualization/data/abstractrenderitem_p.h
@@ -50,13 +50,6 @@ public:
     inline void setTranslation(const QVector3D &translation) { m_translation = translation; }
     inline const QVector3D &translation() const {return m_translation; }
 
-    // Selection label item (containing special selection texture, if mode is activated)
-    LabelItem &selectionLabelItem();
-
-    // Formatted selection label for item.
-    void setSelectionLabel(const QString &label);
-    QString &selectionLabel(); // Formats selection label if not previously formatted
-
     inline QQuaternion rotation() const { return m_rotation; }
     inline void setRotation(const QQuaternion &rotation)
     {
@@ -65,9 +58,7 @@ public:
     }
 
 protected:
-    QString m_selectionLabel;
     QVector3D m_translation;
-    LabelItem *m_selectionLabelItem;
     QQuaternion m_rotation;
 
     friend class QAbstractDataItem;