1 files changed, 10 insertions, 0 deletions
diff --git a/src/kitemviews/kitemlistviewlayouter_p.h b/src/kitemviews/kitemlistviewlayouter_p.h
index 3d2f10906..dec99d054 100644
--- a/src/kitemviews/kitemlistviewlayouter_p.h
+++ b/src/kitemviews/kitemlistviewlayouter_p.h
@@ -120,6 +120,16 @@ private:
     void updateVisibleIndexes();
     bool createGroupHeaders();
 
+    /**
+     * @return Minimum width of group headers when grouping is enabled in the horizontal
+     *         alignment mode. The header alignment is done like this:
+     *         Header-1 Header-2 Header-3
+     *         Item 1   Item 4   Item 7
+     *         Item 2   Item 5   Item 8
+     *         Item 3   Item 6   Item 9
+     */
+    qreal minimumGroupHeaderWidth() const;
+
 private:
     bool m_dirty;
     bool m_visibleIndexesDirty;