From e77e820191919aaf54c85f599cf71cfbecd1ee14 Mon Sep 17 00:00:00 2001
From: Olivier Goffart <olivier.goffart@nokia.com>
Date: Fri, 25 Feb 2011 14:06:57 +0100
Subject: QSortFilterProxyModel::reset() should invalidate.

This was broken by: d149a3faca9b97ce806249bc7ef73fe2f59589d5

The connection was removed in that commit because we did not want
the layoutChanged signal to be emitted.  So instead of calling
invalidate(), we call clearMapping() directly.
In order to do that, clear_mapping has been turned into a private slot

Task-number: QTBUG-17812
Reviewed-by: Gabriel
---
 src/gui/itemviews/qsortfilterproxymodel.cpp | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

(limited to 'src/gui/itemviews/qsortfilterproxymodel.cpp')

diff --git a/src/gui/itemviews/qsortfilterproxymodel.cpp b/src/gui/itemviews/qsortfilterproxymodel.cpp
index e54cbd24d5..9f89bf5bf8 100644
--- a/src/gui/itemviews/qsortfilterproxymodel.cpp
+++ b/src/gui/itemviews/qsortfilterproxymodel.cpp
@@ -227,7 +227,7 @@ public:
     void _q_sourceColumnsRemoved(const QModelIndex &source_parent,
                                  int start, int end);
 
-    void clear_mapping();
+    void _q_clearMapping();
 
     void sort();
     bool update_source_sort_column();
@@ -281,7 +281,7 @@ typedef QHash<QModelIndex, QSortFilterProxyModelPrivate::Mapping *> IndexMap;
 void QSortFilterProxyModelPrivate::_q_sourceModelDestroyed()
 {
     QAbstractProxyModelPrivate::_q_sourceModelDestroyed();
-    clear_mapping();
+    _q_clearMapping();
 }
 
 void QSortFilterProxyModelPrivate::remove_from_mapping(const QModelIndex &source_parent)
@@ -293,7 +293,7 @@ void QSortFilterProxyModelPrivate::remove_from_mapping(const QModelIndex &source
     }
 }
 
-void QSortFilterProxyModelPrivate::clear_mapping()
+void QSortFilterProxyModelPrivate::_q_clearMapping()
 {
     // store the persistent indexes
     QModelIndexPairList source_indexes = store_persistent_indexes();
@@ -1223,7 +1223,7 @@ void QSortFilterProxyModelPrivate::_q_sourceReset()
 {
     Q_Q(QSortFilterProxyModel);
     invalidatePersistentIndexes();
-    clear_mapping();
+    _q_clearMapping();
     // All internal structures are deleted in clear()
     q->endResetModel();
     update_source_sort_column();
@@ -1519,6 +1519,7 @@ QSortFilterProxyModel::QSortFilterProxyModel(QObject *parent)
     d->filter_column = 0;
     d->filter_role = Qt::DisplayRole;
     d->dynamic_sortfilter = false;
+    connect(this, SIGNAL(modelReset()), this, SLOT(_q_clearMapping()));
 }
 
 /*!
@@ -1620,7 +1621,7 @@ void QSortFilterProxyModel::setSourceModel(QAbstractItemModel *sourceModel)
     connect(d->model, SIGNAL(modelAboutToBeReset()), this, SLOT(_q_sourceAboutToBeReset()));
     connect(d->model, SIGNAL(modelReset()), this, SLOT(_q_sourceReset()));
 
-    d->clear_mapping();
+    d->_q_clearMapping();
     endResetModel();
     if (d->update_source_sort_column() && d->dynamic_sortfilter)
         d->sort();
@@ -2311,7 +2312,7 @@ void QSortFilterProxyModel::clear()
 {
     Q_D(QSortFilterProxyModel);
     emit layoutAboutToBeChanged();
-    d->clear_mapping();
+    d->_q_clearMapping();
     emit layoutChanged();
 }
 
@@ -2326,7 +2327,7 @@ void QSortFilterProxyModel::invalidate()
 {
     Q_D(QSortFilterProxyModel);
     emit layoutAboutToBeChanged();
-    d->clear_mapping();
+    d->_q_clearMapping();
     emit layoutChanged();
 }
 
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