QTreeView::selectAll() wouldn't work when first column hidden

QTreeView::selectAll() called QTreeView::select() on the first column, first
and last rows, and rows selection flags. As the first row was hidden, this
range spanned to void. We now pass the upper-left and lower-right indices to
select(). Auto-test included.

Reviewed-by: Olivier
Task-number: QTBUG-6450

1 files changed, 5 insertions, 2 deletions

diff --git a/src/gui/itemviews/qtreeview.cpp b/src/gui/itemviews/qtreeview.cpp
index bf88a75..f25d648 100644
--- a/src/gui/itemviews/qtreeview.cpp
+++ b/src/gui/itemviews/qtreeview.cpp
@@ -2644,10 +2644,13 @@ void QTreeView::selectAll()
         return;
     SelectionMode mode = d->selectionMode;
     d->executePostedLayout(); //make sure we lay out the items
-    if (mode != SingleSelection && !d->viewItems.isEmpty())
-        d->select(d->viewItems.first().index, d->viewItems.last().index,
+    if (mode != SingleSelection && !d->viewItems.isEmpty()) {
+        const QModelIndex &idx = d->viewItems.last().index;
+        QModelIndex lastItemIndex = idx.sibling(idx.row(), d->model->columnCount(idx.parent()) - 1);
+        d->select(d->viewItems.first().index, lastItemIndex,
                   QItemSelectionModel::ClearAndSelect
                   |QItemSelectionModel::Rows);
+    }
 }
 
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