Qt Designer: Fix clang-tidy warnings about loops

- Replace index-based loops by range-based for

Change-Id: I074a52631cbf5233e1c762cee99064b8897abc30
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

1 files changed, 3 insertions, 6 deletions

diff --git a/src/designer/src/lib/shared/dialoggui.cpp b/src/designer/src/lib/shared/dialoggui.cpp
index b4d7a2fbb..febd7ad13 100644
--- a/src/designer/src/lib/shared/dialoggui.cpp
+++ b/src/designer/src/lib/shared/dialoggui.cpp
@@ -65,14 +65,11 @@ private:
 IconProvider::IconProvider()
 {
     // Determine a list of readable extensions (upper and lower case)
-    typedef QList<QByteArray> ByteArrayList;
-    const ByteArrayList fmts = QImageReader::supportedImageFormats();
-    const ByteArrayList::const_iterator cend = fmts.constEnd();
-    for (ByteArrayList::const_iterator it = fmts.constBegin(); it != cend; ++it) {
-        const QString suffix = QString::fromUtf8(it->constData());
+    const auto &fmts = QImageReader::supportedImageFormats();
+    for (const QByteArray &fmt : fmts) {
+        const QString suffix = QString::fromUtf8(fmt);
         m_imageFormats.insert(suffix.toLower());
         m_imageFormats.insert(suffix.toUpper());
-
     }
 }