Group header layout fixes

- Don't use a margin for the first group header
- Provide margins between the groups
- Use a more subtle coloring
- Prevent animation glitches when resizing a window

1 files changed, 13 insertions, 0 deletions

diff --git a/src/kitemviews/kitemlistgroupheader.h b/src/kitemviews/kitemlistgroupheader.h
index 5ddf20896..c996a4870 100644
--- a/src/kitemviews/kitemlistgroupheader.h
+++ b/src/kitemviews/kitemlistgroupheader.h
@@ -62,6 +62,9 @@ public:
     void setScrollOrientation(Qt::Orientation orientation);
     Qt::Orientation scrollOrientation() const;
 
+    void setItemIndex(int index);
+    int itemIndex() const;
+
     virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0);
 
 protected:
@@ -95,19 +98,29 @@ protected:
      */
     virtual void scrollOrientationChanged(Qt::Orientation current, Qt::Orientation previous);
 
+    /**
+     * Is called after the item index has been changed and allows the derived class to react on
+     * this change.
+     */
+    virtual void itemIndexChanged(int current, int previous);
+
     /** @reimp */
     virtual void resizeEvent(QGraphicsSceneResizeEvent* event);
 
 private:
     void updateCache();
 
+    static QColor mixedColor(const QColor& c1, const QColor& c2, int c1Percent = 50);
+
 private:
     bool m_dirtyCache;
     QByteArray m_role;
     QVariant m_data;
     KItemListStyleOption m_styleOption;
     Qt::Orientation m_scrollOrientation;
+    int m_itemIndex;
 
+    QColor m_lineColor;
     QColor m_roleColor;
     QRectF m_roleBounds;
 };