Qt Designer: Fix some remaining clang-tidy warnings

- Use QHash instead of QMap for pointer type keys
- Use const ref to avoid copies
- Fix C-style casts
- Add parentheses to macro parameters

Change-Id: I74c060fc32c6f7761582d81d219455b1e58c6ff9
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

1 files changed, 1 insertions, 2 deletions

diff --git a/src/designer/src/components/formeditor/qdesigner_resource.cpp b/src/designer/src/components/formeditor/qdesigner_resource.cpp
index 82116ec2f..c840bf35f 100644
--- a/src/designer/src/components/formeditor/qdesigner_resource.cpp
+++ b/src/designer/src/components/formeditor/qdesigner_resource.cpp
@@ -1027,11 +1027,10 @@ void QDesignerResource::applyProperties(QObject *o, const QList<DomProperty*> &p
 QWidget *QDesignerResource::createWidget(const QString &widgetName, QWidget *parentWidget, const QString &_name)
 {
     QString name = _name;
-    QString className = widgetName;
     if (m_isMainWidget)
         m_isMainWidget = false;
 
-    QWidget *w = core()->widgetFactory()->createWidget(className, parentWidget);
+    QWidget *w = core()->widgetFactory()->createWidget(widgetName, parentWidget);
     if (!w)
         return 0;