3 files changed, 8 insertions, 2 deletions
diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp
index de6e6cb..4a450b7 100644
--- a/src/gui/itemviews/qabstractitemview.cpp
+++ b/src/gui/itemviews/qabstractitemview.cpp
@@ -2867,6 +2867,8 @@ int QAbstractItemView::sizeHintForRow(int row) const
     if (row < 0 || row >= d->model->rowCount() || !model())
         return -1;
 
+    ensurePolished();
+
     QStyleOptionViewItemV4 option = d->viewOptionsV4();
     int height = 0;
     int colCount = d->model->columnCount(d->root);
@@ -2896,6 +2898,8 @@ int QAbstractItemView::sizeHintForColumn(int column) const
     if (column < 0 || column >= d->model->columnCount() || !model())
         return -1;
 
+    ensurePolished();
+
     QStyleOptionViewItemV4 option = d->viewOptionsV4();
     int width = 0;
     int rows = d->model->rowCount(d->root);
diff --git a/src/gui/itemviews/qlistwidget.cpp b/src/gui/itemviews/qlistwidget.cpp
index 5dd1d76..0ce0e5e 100644
--- a/src/gui/itemviews/qlistwidget.cpp
+++ b/src/gui/itemviews/qlistwidget.cpp
@@ -173,10 +173,11 @@ void QListModel::move(int srcRow, int dstRow)
 {
     if (srcRow == dstRow
         || srcRow < 0 || srcRow >= items.count()
-        || dstRow < 0 || dstRow >= items.count())
+        || dstRow < 0 || dstRow > items.count())
         return;
 
-    beginMoveRows(QModelIndex(), srcRow, srcRow, QModelIndex(), dstRow);
+    if (!beginMoveRows(QModelIndex(), srcRow, srcRow, QModelIndex(), dstRow))
+        return;
     if (srcRow < dstRow)
         --dstRow;
     items.move(srcRow, dstRow);
diff --git a/src/gui/itemviews/qtreeview.cpp b/src/gui/itemviews/qtreeview.cpp
index 3ad9fbb..bcf9cfb 100644
--- a/src/gui/itemviews/qtreeview.cpp
+++ b/src/gui/itemviews/qtreeview.cpp
@@ -2774,6 +2774,7 @@ int QTreeView::sizeHintForColumn(int column) const
     d->executePostedLayout();
     if (d->viewItems.isEmpty())
         return -1;
+    ensurePolished();
     int w = 0;
     QStyleOptionViewItemV4 option = d->viewOptionsV4();
     const QVector<QTreeViewItem> viewItems = d->viewItems;