Merge branch '4.5' of scm.dev.nokia.troll.no:qt/qt

Conflicts:
	src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
	tests/auto/qgraphicswidget/tst_qgraphicswidget.cpp
	tests/auto/selftests/expected_skip.txt
	tests/auto/selftests/tst_selftests.cpp

3 files changed, 21 insertions, 3 deletions

diff --git a/src/gui/dialogs/qfiledialog.cpp b/src/gui/dialogs/qfiledialog.cpp
index 56b89f0..76f0309 100644
--- a/src/gui/dialogs/qfiledialog.cpp
+++ b/src/gui/dialogs/qfiledialog.cpp
@@ -565,8 +565,9 @@ bool QFileDialogPrivate::canBeNativeDialog()
 }
 
 /*!
-    Sets the given \a option to be enabled if \a on is true;
-    otherwise, clears the given \a option.
+    \since 4.5
+    Sets the given \a option to be enabled if \a on is true; otherwise,
+    clears the given \a option.
 
     \sa options, testOption()
 */
@@ -2108,6 +2109,7 @@ void QFileDialogPrivate::createWidgets()
 #else
     model->setNameFilterDisables(false);
 #endif
+    model->d_func()->disableRecursiveSort = true;
     QFileDialog::connect(model, SIGNAL(fileRenamed(const QString &, const QString &, const QString &)), q, SLOT(_q_fileRenamed(const QString &, const QString &, const QString &)));
     QFileDialog::connect(model, SIGNAL(rootPathChanged(const QString &)),
             q, SLOT(_q_pathChanged(const QString &)));
diff --git a/src/gui/dialogs/qfilesystemmodel.cpp b/src/gui/dialogs/qfilesystemmodel.cpp
index 825f8b6..2c47116 100644
--- a/src/gui/dialogs/qfilesystemmodel.cpp
+++ b/src/gui/dialogs/qfilesystemmodel.cpp
@@ -1083,6 +1083,7 @@ private:
 */
 void QFileSystemModelPrivate::sortChildren(int column, const QModelIndex &parent)
 {
+    Q_Q(QFileSystemModel);
     QFileSystemModelPrivate::QFileSystemNode *indexNode = node(parent);
     if (indexNode->children.count() == 0)
         return;
@@ -1106,6 +1107,16 @@ void QFileSystemModelPrivate::sortChildren(int column, const QModelIndex &parent
         indexNode->visibleChildren.append(values.at(i).first->fileName);
         values.at(i).first->isVisible = true;
     }
+
+    if (!disableRecursiveSort) {
+        for (int i = 0; i < q->rowCount(parent); ++i) {
+            const QModelIndex childIndex = q->index(i, 0, parent);
+            QFileSystemModelPrivate::QFileSystemNode *indexNode = node(childIndex);
+            //Only do a recursive sort on visible nodes
+            if (indexNode->isVisible)
+                sortChildren(column, childIndex);
+        }
+    }
 }
 
 /*!
diff --git a/src/gui/dialogs/qfilesystemmodel_p.h b/src/gui/dialogs/qfilesystemmodel_p.h
index 61e8b4c..af4fada 100644
--- a/src/gui/dialogs/qfilesystemmodel_p.h
+++ b/src/gui/dialogs/qfilesystemmodel_p.h
@@ -208,7 +208,8 @@ public:
             readOnly(true),
             setRootPath(false),
             filters(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::AllDirs),
-            nameFilterDisables(true) // false on windows, true on mac and unix
+            nameFilterDisables(true), // false on windows, true on mac and unix
+            disableRecursiveSort(false)
     {
         delayedSortTimer.setSingleShot(true);
     }
@@ -294,6 +295,10 @@ public:
     QDir::Filters filters;
     QHash<const QFileSystemNode*, bool> bypassFilters;
     bool nameFilterDisables;
+    //This flag is an optimization for the QFileDialog
+    //It enable a sort which is not recursive, it means
+    //we sort only what we see.
+    bool disableRecursiveSort;
 #ifndef QT_NO_REGEXP
     QList<QRegExp> nameFilters;
 #endif