From 610af2bf4d6d57f86ca71c9764b5b03b01aafad8 Mon Sep 17 00:00:00 2001
From: Thierry Bastian <thierry.bastian@nokia.com>
Date: Tue, 18 Aug 2009 11:55:07 +0200
Subject: QHeaderView: assertion  when modifying the root iem of a treewidget

dataChanged is emitted with invalid model index. We needed to handle
that.

Reviewed-by: ogoffart
---
 src/gui/itemviews/qheaderview.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gui/itemviews/qheaderview.cpp b/src/gui/itemviews/qheaderview.cpp
index f7b5b6f..4ab81f5 100644
--- a/src/gui/itemviews/qheaderview.cpp
+++ b/src/gui/itemviews/qheaderview.cpp
@@ -1195,7 +1195,8 @@ QHeaderView::ResizeMode QHeaderView::resizeMode(int logicalIndex) const
 {
     Q_D(const QHeaderView);
     int visual = visualIndex(logicalIndex);
-    Q_ASSERT(visual != -1);
+    if (visual == -1)
+        return Fixed; //the default value
     return d->headerSectionResizeMode(visual);
 }
 
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