From 4116f95d6b474f274a1c13597ad687961a7cab4f Mon Sep 17 00:00:00 2001
From: Matthias Kuhn <matthias@opengis.ch>
Date: Sun, 12 Jun 2016 18:05:32 +0200
Subject: [PATCH] Fix the preview column in form view when first column is
 action widget

---
 src/gui/attributetable/qgsattributetablefiltermodel.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/gui/attributetable/qgsattributetablefiltermodel.cpp b/src/gui/attributetable/qgsattributetablefiltermodel.cpp
index 214c10ec797..5f872a53f35 100644
--- a/src/gui/attributetable/qgsattributetablefiltermodel.cpp
+++ b/src/gui/attributetable/qgsattributetablefiltermodel.cpp
@@ -482,9 +482,10 @@ QModelIndex QgsAttributeTableFilterModel::mapToSource( const QModelIndex& proxyI
 
   int sourceColumn = mapColumnToSource( proxyIndex.column() );
 
-  // For the action column there is no matching column in the source model: invalid
+  // For the action column there is no matching column in the source model, just return the first one
+  // so we are still able to query for the feature id, the feature...
   if ( sourceColumn == -1 )
-    return QModelIndex();
+    sourceColumn = 0;
 
   return QSortFilterProxyModel::mapToSource( index( proxyIndex.row(), sourceColumn, proxyIndex.parent() ) );
 }