QtWidgets tests: port remaining users away from Q_FOREACH

These are all trivial: all are over (already or newly-made) const
local variables.

As a drive-by, replace a QList legacy left-shift-based- with
initializer_list-construction.

Pick-to: 6.6 6.5
Task-number: QTBUG-115803
Change-Id: I453e24272c4c4b7dce5b91a0bd04481d833c50bb
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>

tests/auto/widgets/dialogs/qwizard/tst_qwizard.cpp

@@ -565,9 +565,9 @@ void tst_QWizard::addPage()
 
 #define CHECK_VISITED(wizard, list) \
     do { \
-        QList<int> myList = list; \
+        const QList<int> myList = list; \
         QCOMPARE((wizard).visitedIds(), myList); \
-        Q_FOREACH(int id, myList) \
+        for (int id : myList) \
             QVERIFY((wizard).hasVisitedPage(id)); \
     } while (0)
 
@@ -1837,7 +1837,8 @@ public:
 #define OPT(option, on) OptionInfo::instance().operation(option, on)
 #define CLROPT(option) OPT(option, false)
 #define SETOPT(option) OPT(option, true)
-        foreach (QWizard::WizardOption option, OptionInfo::instance().options()) {
+        const auto options = OptionInfo::instance().options();
+        for (QWizard::WizardOption option : options) {
             setAllOptions[false] << CLROPT(option);
             setAllOptions[true]  << SETOPT(option);
         }
@@ -1924,7 +1925,8 @@ public:
                 testGroup.add() << pageOp << optionOps;
                 testGroup.createTestRows();
 
-                foreach (QWizard::WizardOption option, OptionInfo::instance().options()) {
+                const auto options = OptionInfo::instance().options();
+                for (QWizard::WizardOption option : options) {
                     QSharedPointer<Operation> optionOp = OPT(option, i == 1);
                     testGroup.reset("testAll 4.3");
                     testGroup.add() << optionOp << pageOp;
@@ -1947,7 +1949,8 @@ public:
                 testGroup.add() << styleOp << optionOps;
                 testGroup.createTestRows();
 
-                foreach (QWizard::WizardOption option, OptionInfo::instance().options()) {
+                const auto options = OptionInfo::instance().options();
+                for (QWizard::WizardOption option : options) {
                     QSharedPointer<Operation> optionOp = OPT(option, i == 1);
                     testGroup.reset("testAll 5.3");
                     testGroup.add() << optionOp << styleOp;
@@ -1986,7 +1989,8 @@ public:
                     testGroup.add() << styleOp << pageOp << optionOps;
                     testGroup.createTestRows();
 
-                    foreach (QWizard::WizardOption option, OptionInfo::instance().options()) {
+                    const auto options = OptionInfo::instance().options();
+                    for (QWizard::WizardOption option : options) {
                         QSharedPointer<Operation> optionOp = OPT(option, i == 1);
                         testGroup.reset("testAll 6.5");
                         testGroup.add() << optionOp << pageOp << styleOp;
@@ -2570,7 +2574,8 @@ void tst_QWizard::task161658_alignments()
     wizard.show();
     QVERIFY(QTest::qWaitForWindowExposed(&wizard));
 
-    foreach (QLabel *subtitleLabel, wizard.findChildren<QLabel *>()) {
+    const auto subtitleLabels = wizard.findChildren<QLabel *>();
+    for (QLabel *subtitleLabel : subtitleLabels) {
         if (subtitleLabel->text().startsWith("SUBTITLE#")) {
             QCOMPARE(lineEdit1.mapToGlobal(lineEdit1.contentsRect().bottomRight()).x(),
                      subtitleLabel->mapToGlobal(subtitleLabel->contentsRect().bottomRight()).x());

tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp

@@ -2476,7 +2476,8 @@ void tst_QGraphicsProxyWidget::tooltip_basic()
 
         bool foundView = false;
         bool foundTipLabel = false;
-        foreach (QWidget *widget, QApplication::topLevelWidgets()) {
+        const auto widgets = QApplication::topLevelWidgets();
+        for (QWidget *widget : widgets) {
             if (widget == &view)
                 foundView = true;
             if (widget->inherits("QTipLabel"))

tests/auto/widgets/graphicsview/qgraphicsview/tst_qgraphicsview.cpp

@@ -1049,9 +1049,9 @@ void tst_QGraphicsView::rotated_rubberBand()
     sendMouseMove(view.viewport(), QPoint(midWidth + 2, view.viewport()->height()),
                   Qt::LeftButton, Qt::LeftButton);
     QCOMPARE(scene.selectedItems().size(), dim);
-    foreach (const QGraphicsItem *item, scene.items()) {
+    const auto items = scene.items();
+    for (const QGraphicsItem *item : items)
         QCOMPARE(item->isSelected(), item->data(0).toBool());
-    }
     sendMouseRelease(view.viewport(), QPoint(), Qt::LeftButton);
 }
 
@@ -2739,7 +2739,8 @@ void tst_QGraphicsView::optimizationFlags_dontSavePainterState2()
     rectB->setTransform(QTransform::fromTranslate(200, 200));
     rectB->setPen(QPen(Qt::black, 0));
 
-    foreach (QGraphicsItem *item, scene.items())
+    const auto items = scene.items();
+    for (QGraphicsItem *item : items)
         item->setOpacity(0.6);
 
     CustomView view(&scene);
@@ -3258,7 +3259,8 @@ protected:
     {
         ++mouseMoves;
         QGraphicsView::mouseMoveEvent(event);
-        foreach (QGraphicsItem *item, scene()->items()) {
+        const auto items = scene()->items();
+        for (QGraphicsItem *item : items) {
             scene()->removeItem(item);
             delete item;
         }

tests/auto/widgets/kernel/qgridlayout/tst_qgridlayout.cpp

@@ -58,7 +58,8 @@ private slots:
 static inline int visibleTopLevelWidgetCount()
 {
     int result= 0;
-    foreach (const QWidget *topLevel, QApplication::topLevelWidgets()) {
+    const auto topLevels = QApplication::topLevelWidgets();
+    for (const QWidget *topLevel : topLevels) {
         if (topLevel->isVisible())
             ++result;
     }

tests/auto/widgets/kernel/qtooltip/tst_qtooltip.cpp

@@ -117,7 +117,8 @@ void tst_QToolTip::keyEvent()
 
 static QWidget *findWhatsThat()
 {
-    foreach (QWidget *widget, QApplication::topLevelWidgets()) {
+    const auto widgets = QApplication::topLevelWidgets();
+    for (QWidget *widget : widgets) {
         if (widget->inherits("QWhatsThat"))
             return widget;
     }

tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp

@@ -4717,7 +4717,8 @@ void tst_QLineEdit::sideWidgets()
     testWidget.move(300, 300);
     testWidget.show();
     QVERIFY(QTest::qWaitForWindowExposed(&testWidget));
-    foreach (QToolButton *button, lineEdit->findChildren<QToolButton *>())
+    const auto buttons = lineEdit->findChildren<QToolButton *>();
+    for (QToolButton *button : buttons)
         QCOMPARE(button->cursor().shape(), Qt::ArrowCursor);
     // Arbitrarily add/remove actions, trying to detect crashes. Add QTRY_VERIFY(false) to view the result.
     delete label3Action;
@@ -4732,7 +4733,8 @@ void tst_QLineEdit::sideWidgets()
 
 template <class T> T *findAssociatedWidget(const QAction *a)
 {
-    foreach (QObject *w, a->associatedObjects()) {
+    const auto associatedObjects = a->associatedObjects();
+    for (QObject *w : associatedObjects) {
         if (T *result = qobject_cast<T *>(w))
             return result;
     }

tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp

@@ -1361,8 +1361,8 @@ void tst_QMenuBar::menubarSizeHint()
 
     mb.setStyle(&style);
     //this is a list of arbitrary strings so that we check the geometry
-    QStringList list = QStringList() << "trer" << "ezrfgtgvqd" << "sdgzgzerzerzer" << "eerzertz"  << "er";
+    const auto list = QStringList{"trer", "ezrfgtgvqd", "sdgzgzerzerzer", "eerzertz", "er"};
-    foreach(QString str, list)
+    for (const QString &str : list)
         mb.addAction(str);
 
     const int panelWidth = style.pixelMetric(QStyle::PM_MenuBarPanelWidth);
@@ -1373,7 +1373,8 @@ void tst_QMenuBar::menubarSizeHint()
     centerOnScreen(&mb);
     mb.show();
     QRect result;
-    foreach(QAction *action, mb.actions()) {
+    const auto actions = mb.actions();
+    for (QAction *action : actions) {
         const QRect actionRect = mb.actionGeometry(action);
         if (!result.isNull()) //this is the first item
             QCOMPARE(actionRect.left() - result.right() - 1, spacing);

tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp

@@ -995,7 +995,7 @@ void tst_QPlainTextEdit::copyAvailable_data()
 //Tests the copyAvailable slot for several cases
 void tst_QPlainTextEdit::copyAvailable()
 {
-    QFETCH(pairListType,keystrokes);
+    QFETCH(const pairListType, keystrokes);
     QFETCH(QList<bool>, copyAvailable);
     QFETCH(QString, function);
 
@@ -1008,9 +1008,8 @@ void tst_QPlainTextEdit::copyAvailable()
     QSignalSpy spyCopyAvailabe(ed, SIGNAL(copyAvailable(bool)));
 
     //Execute Keystrokes
-    foreach(keyPairType keyPair, keystrokes) {
+    for (keyPairType keyPair : keystrokes)
         QTest::keyClick(ed, keyPair.first, keyPair.second );
-    }
 
     //Execute ed->"function"
     if (function == "cut")

tests/auto/widgets/widgets/qtextedit/tst_qtextedit.cpp

@@ -1352,7 +1352,7 @@ void tst_QTextEdit::copyAvailable_data()
 //Tests the copyAvailable slot for several cases
 void tst_QTextEdit::copyAvailable()
 {
-    QFETCH(pairListType,keystrokes);
+    QFETCH(const pairListType, keystrokes);
     QFETCH(QList<bool>, copyAvailable);
     QFETCH(QString, function);
 
@@ -1365,9 +1365,8 @@ void tst_QTextEdit::copyAvailable()
     QSignalSpy spyCopyAvailabe(ed, SIGNAL(copyAvailable(bool)));
 
     //Execute Keystrokes
-    foreach(keyPairType keyPair, keystrokes) {
+    for (keyPairType keyPair : keystrokes)
         QTest::keyClick(ed, keyPair.first, keyPair.second );
-    }
 
     //Execute ed->"function"
     if (function == "cut")