Cleanup Widgets examples - foreach

Cleanup the Widgets examples - replace foreach with range-based for loop
in mainwindows and painting subdirectories

Change-Id: I3c1556dffd22e29dd0a5ba960e699291c496278a
Reviewed-by: Konstantin Shegunov <kshegunov@gmail.com>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Luca Beldi <v.ronin@yahoo.it>
Reviewed-by: Martin Smith <martin.smith@qt.io>

2 files changed, 4 insertions, 2 deletions

diff --git a/examples/widgets/mainwindows/mdi/main.cpp b/examples/widgets/mainwindows/mdi/main.cpp
index e23f5f6e60..950244ad53 100644
--- a/examples/widgets/mainwindows/mdi/main.cpp
+++ b/examples/widgets/mainwindows/mdi/main.cpp
@@ -70,7 +70,8 @@ int main(int argc, char *argv[])
     parser.process(app);
 
     MainWindow mainWin;
-    foreach (const QString &fileName, parser.positionalArguments())
+    const QStringList posArgs = parser.positionalArguments();
+    for (const QString &fileName : posArgs)
         mainWin.openFile(fileName);
     mainWin.show();
     return app.exec();
diff --git a/examples/widgets/mainwindows/mdi/mainwindow.cpp b/examples/widgets/mainwindows/mdi/mainwindow.cpp
index 1e87c5a747..b952d19e2e 100644
--- a/examples/widgets/mainwindows/mdi/mainwindow.cpp
+++ b/examples/widgets/mainwindows/mdi/mainwindow.cpp
@@ -490,7 +490,8 @@ QMdiSubWindow *MainWindow::findMdiChild(const QString &fileName) const
 {
     QString canonicalFilePath = QFileInfo(fileName).canonicalFilePath();
 
-    foreach (QMdiSubWindow *window, mdiArea->subWindowList()) {
+    const QList<QMdiSubWindow *> subWindows = mdiArea->subWindowList();
+    for (QMdiSubWindow *window : subWindows) {
         MdiChild *mdiChild = qobject_cast<MdiChild *>(window->widget());
         if (mdiChild->currentFile() == canonicalFilePath)
             return window;