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 <[email protected]>
Reviewed-by: Paul Wicking <[email protected]>
Reviewed-by: Luca Beldi <[email protected]>
Reviewed-by: Martin Smith <[email protected]>

1 files changed, 2 insertions, 1 deletions

diff --git a/examples/widgets/mainwindows/mdi/mainwindow.cpp b/examples/widgets/mainwindows/mdi/mainwindow.cpp
index 1e87c5a7472..b952d19e2e6 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;