4 files changed, 18 insertions, 6 deletions
diff --git a/src/widgets/dialogs/qfiledialog.cpp b/src/widgets/dialogs/qfiledialog.cpp
index 5357cf28f7..e5f11e78da 100644
--- a/src/widgets/dialogs/qfiledialog.cpp
+++ b/src/widgets/dialogs/qfiledialog.cpp
@@ -3588,7 +3588,7 @@ void QFileDialogPrivate::_q_enterDirectory(const QModelIndex &index)
         }
     } else {
         // Do not accept when shift-clicking to multi-select a file in environments with single-click-activation (KDE)
-        if (!q->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)
+        if (!q->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick, Q_NULLPTR, qFileDialogUi->treeView)
             || q->fileMode() != QFileDialog::ExistingFiles || !(QGuiApplication::keyboardModifiers() & Qt::CTRL)) {
             q->accept();
         }
diff --git a/src/widgets/dialogs/qfilesystemmodel.cpp b/src/widgets/dialogs/qfilesystemmodel.cpp
index 2f7edd8d07..1d07c31476 100644
--- a/src/widgets/dialogs/qfilesystemmodel.cpp
+++ b/src/widgets/dialogs/qfilesystemmodel.cpp
@@ -867,9 +867,11 @@ bool QFileSystemModel::setData(const QModelIndex &idx, const QVariant &value, in
     if (newName == idx.data().toString())
         return true;
 
+    const QString parentPath = filePath(parent(idx));
+
     if (newName.isEmpty()
         || QDir::toNativeSeparators(newName).contains(QDir::separator())
-        || !QDir(filePath(parent(idx))).rename(oldName, newName)) {
+        || !QDir(parentPath).rename(oldName, newName)) {
 #ifndef QT_NO_MESSAGEBOX
         QMessageBox::information(0, QFileSystemModel::tr("Invalid filename"),
                                 QFileSystemModel::tr("<b>The name \"%1\" can not be used.</b><p>Try using another name, with fewer characters or no punctuations marks.")
@@ -896,7 +898,7 @@ bool QFileSystemModel::setData(const QModelIndex &idx, const QVariant &value, in
         parentNode->visibleChildren.removeAt(visibleLocation);
         QFileSystemModelPrivate::QFileSystemNode * oldValue = parentNode->children.value(oldName);
         parentNode->children[newName] = oldValue;
-        QFileInfo info(d->rootDir, newName);
+        QFileInfo info(parentPath, newName);
         oldValue->fileName = newName;
         oldValue->parent = parentNode;
 #ifndef QT_NO_FILESYSTEMWATCHER
@@ -908,7 +910,7 @@ bool QFileSystemModel::setData(const QModelIndex &idx, const QVariant &value, in
         parentNode->visibleChildren.insert(visibleLocation, newName);
 
         d->delayedSort();
-        emit fileRenamed(filePath(idx.parent()), oldName, newName);
+        emit fileRenamed(parentPath, oldName, newName);
     }
     return true;
 }
diff --git a/src/widgets/dialogs/qfilesystemmodel.h b/src/widgets/dialogs/qfilesystemmodel.h
index b7e77f31db..6d50d0b606 100644
--- a/src/widgets/dialogs/qfilesystemmodel.h
+++ b/src/widgets/dialogs/qfilesystemmodel.h
@@ -81,6 +81,7 @@ public:
     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
     QModelIndex index(const QString &path, int column = 0) const;
     QModelIndex parent(const QModelIndex &child) const Q_DECL_OVERRIDE;
+    using QObject::parent;
     QModelIndex sibling(int row, int column, const QModelIndex &idx) const Q_DECL_OVERRIDE;
     bool hasChildren(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
     bool canFetchMore(const QModelIndex &parent) const Q_DECL_OVERRIDE;
diff --git a/src/widgets/dialogs/qmessagebox.cpp b/src/widgets/dialogs/qmessagebox.cpp
index 994015030f..3c46f4faca 100644
--- a/src/widgets/dialogs/qmessagebox.cpp
+++ b/src/widgets/dialogs/qmessagebox.cpp
@@ -2605,8 +2605,17 @@ QPixmap QMessageBoxPrivate::standardIcon(QMessageBox::Icon icon, QMessageBox *mb
     default:
         break;
     }
-    if (!tmpIcon.isNull())
-        return tmpIcon.pixmap(iconSize, iconSize);
+    if (!tmpIcon.isNull()) {
+        QWindow *window = Q_NULLPTR;
+        if (mb) {
+            window = mb->windowHandle();
+            if (!window) {
+                if (const QWidget *nativeParent = mb->nativeParentWidget())
+                    window = nativeParent->windowHandle();
+            }
+        }
+        return tmpIcon.pixmap(window, QSize(iconSize, iconSize));
+    }
     return QPixmap();
 }