Cleanup Widgets examples - foreach

Cleanup the Widget examples - replace foreach with range-based for loop
in subdirectory tools, touch and tutorials

Change-Id: I008d23b5993a18a3332fe9f5e5bca68cb0561066
Reviewed-by: Luca Beldi <v.ronin@yahoo.it>
Reviewed-by: Sze Howe Koh <szehowe.koh@gmail.com>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>

1 files changed, 4 insertions, 2 deletions

diff --git a/examples/widgets/tools/settingseditor/settingstree.cpp b/examples/widgets/tools/settingseditor/settingstree.cpp
index 4ca843784e..8585792787 100644
--- a/examples/widgets/tools/settingseditor/settingstree.cpp
+++ b/examples/widgets/tools/settingseditor/settingstree.cpp
@@ -170,7 +170,8 @@ void SettingsTree::updateChildItems(QTreeWidgetItem *parent)
 {
     int dividerIndex = 0;
 
-    foreach (QString group, settings->childGroups()) {
+    const QStringList childGroups = settings->childGroups();
+    for (const QString &group : childGroups) {
         QTreeWidgetItem *child;
         int childIndex = findChild(parent, group, dividerIndex);
         if (childIndex != -1) {
@@ -190,7 +191,8 @@ void SettingsTree::updateChildItems(QTreeWidgetItem *parent)
         settings->endGroup();
     }
 
-    foreach (const QString &key, settings->childKeys()) {
+    const QStringList childKeys = settings->childKeys();
+    for (const QString &key : childKeys) {
         QTreeWidgetItem *child;
         int childIndex = findChild(parent, key, 0);