Build the Windows platform plugin with QT_NO_FOREACH

...for consistency with the other platform plugins.

Change-Id: I85946d610a62c19140618c83f80c4aa63fce4bc3
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>

src/plugins/platforms/windows/qwindowscontext.cpp

@@ -547,7 +547,7 @@ void QWindowsContext::unregisterWindowClasses()
 {
     const HINSTANCE appInstance = static_cast<HINSTANCE>(GetModuleHandle(0));
 
-    foreach (const QString &name,  d->m_registeredWindowClassNames) {
+    for (const QString &name : qAsConst(d->m_registeredWindowClassNames)) {
         if (!UnregisterClass(reinterpret_cast<LPCWSTR>(name.utf16()), appInstance) && QWindowsContext::verbose)
             qErrnoWarning("UnregisterClass failed for '%s'", qPrintable(name));
     }

src/plugins/platforms/windows/qwindowsdialoghelpers.cpp

@@ -1026,7 +1026,7 @@ static QList<FilterSpec> filterSpecs(const QStringList &filters,
     Q_ASSERT(filterSeparatorRE.isValid());
     // Split filter specification as 'Texts (*.txt[;] *.doc)', '*.txt[;] *.doc'
     // into description and filters specification as '*.txt;*.doc'
-    foreach (const QString &filterString, filters) {
+    for (const QString &filterString : filters) {
         const int openingParenPos = filterString.lastIndexOf(QLatin1Char('('));
         const int closingParenPos = openingParenPos != -1 ?
             filterString.indexOf(QLatin1Char(')'), openingParenPos + 1) : -1;
@@ -1321,7 +1321,7 @@ void QWindowsNativeSaveFileDialog::setNameFilters(const QStringList &f)
     // filter only if a default suffix is set (see docs). Set the first available
     // suffix unless we have a defaultSuffix.
     if (!hasDefaultSuffix()) {
-        foreach (const QString &filter, f) {
+        for (const QString &filter : f) {
             const QString suffix = suffixFromFilter(filter);
             if (!suffix.isEmpty()) {
                 setDefaultSuffixSys(suffix);
@@ -1780,12 +1780,12 @@ void QWindowsXpNativeFileDialog::populateOpenFileName(OPENFILENAME *ofn, HWND ow
 
     // Create a buffer with the filter strings.
     int totalStringLength = 0;
-    QList<FilterSpec> specs =
+    const QList<FilterSpec> specs =
         filterSpecs(m_options->nameFilters(), m_options->options() & QFileDialogOptions::HideNameFilterDetails, &totalStringLength);
     const int size = specs.size();
     wchar_t *ptr = new wchar_t[totalStringLength + 2 * size + 1];
     ofn->lpstrFilter = ptr;
-    foreach (const FilterSpec &spec, specs) {
+    for (const FilterSpec &spec : specs) {
         ptr += spec.description.toWCharArray(ptr);
         *ptr++ = 0;
         ptr += spec.filter.toWCharArray(ptr);

src/plugins/platforms/windows/qwindowsintegration.cpp

@@ -184,7 +184,7 @@ static inline unsigned parseOptions(const QStringList &paramList,
                                     QtWindows::ProcessDpiAwareness *dpiAwareness)
 {
     unsigned options = 0;
-    foreach (const QString &param, paramList) {
+    for (const QString &param : paramList) {
         if (param.startsWith(QLatin1String("fontengine="))) {
             if (param.endsWith(QLatin1String("freetype"))) {
                 options |= QWindowsIntegration::FontDatabaseFreeType;

src/plugins/platforms/windows/qwindowsmime.cpp

@@ -107,7 +107,8 @@ static inline QByteArray msgConversionError(const char *func, const char *format
     msg += ": Unable to convert DIB image. The image converter plugin for '";
     msg += format;
     msg += "' is not available. Available formats: ";
-    foreach (const QByteArray &af, QImageReader::supportedImageFormats()) {
+    const QList<QByteArray> &formats = QImageReader::supportedImageFormats();
+    for (const QByteArray &af : formats) {
         msg += af;
         msg += ' ';
     }
@@ -1598,7 +1599,7 @@ QVariant QWindowsMimeConverter::convertToMime(const QStringList &mimeTypes,
                                               QVariant::Type preferredType,
                                               QString *formatIn /* = 0 */) const
 {
-    foreach (const QString &format, mimeTypes) {
+    for (const QString &format : mimeTypes) {
         if (const QWindowsMime *converter = converterToMime(format, pDataObj)) {
             if (converter->canConvertToMime(format, pDataObj)) {
                 const QVariant dataV = converter->convertToMime(format, pDataObj, preferredType);

src/plugins/platforms/windows/qwindowsscreen.cpp

@@ -274,9 +274,12 @@ QList<QPlatformScreen *> QWindowsScreen::virtualSiblings() const
 {
     QList<QPlatformScreen *> result;
     if (m_data.flags & QWindowsScreenData::VirtualDesktop) {
-        foreach (QWindowsScreen *screen, QWindowsContext::instance()->screenManager().screens())
+        const QWindowsScreenManager::WindowsScreenList screens
+            = QWindowsContext::instance()->screenManager().screens();
+        for (QWindowsScreen *screen : screens) {
             if (screen->data().flags & QWindowsScreenData::VirtualDesktop)
                 result.push_back(screen);
+        }
     } else {
         result.push_back(const_cast<QWindowsScreen *>(this));
     }
@@ -505,7 +508,8 @@ void QWindowsScreenManager::removeScreen(int index)
     // move those manually.
     if (screen != primaryScreen) {
         unsigned movedWindowCount = 0;
-        foreach (QWindow *w, QGuiApplication::topLevelWindows()) {
+        const QWindowList tlws = QGuiApplication::topLevelWindows();
+        for (QWindow *w : tlws) {
             if (w->screen() == screen && w->handle() && w->type() != Qt::Desktop) {
                 if (w->isVisible() && w->windowState() != Qt::WindowMinimized
                     && (QWindowsWindow::baseWindowOf(w)->exStyle() & WS_EX_TOOLWINDOW)) {
@@ -530,9 +534,9 @@ void QWindowsScreenManager::removeScreen(int index)
 bool QWindowsScreenManager::handleScreenChanges()
 {
     // Look for changed monitors, add new ones
-    WindowsScreenDataList newDataList = monitorData();
+    const WindowsScreenDataList newDataList = monitorData();
     const bool lockScreen = newDataList.size() == 1 && (newDataList.front().flags & QWindowsScreenData::LockScreen);
-    foreach (const QWindowsScreenData &newData, newDataList) {
+    for (const QWindowsScreenData &newData : newDataList) {
         const int existingIndex = indexOfMonitor(m_screens, newData.name);
         if (existingIndex != -1) {
             m_screens.at(existingIndex)->handleChanges(newData);
@@ -564,7 +568,7 @@ void QWindowsScreenManager::clearScreens()
 
 const QWindowsScreen *QWindowsScreenManager::screenAtDp(const QPoint &p) const
 {
-    foreach (QWindowsScreen *scr, m_screens) {
+    for (QWindowsScreen *scr : m_screens) {
         if (scr->geometry().contains(p))
             return scr;
     }

src/plugins/platforms/windows/qwindowswindow.cpp

@@ -1886,7 +1886,8 @@ void QWindowsWindow::handleWindowStateChange(Qt::WindowStates state)
             fireExpose(QRegion(0, 0, w->width(), w->height()));
             exposeEventsSent = true;
         }
-        foreach (QWindow *child, QGuiApplication::allWindows()) {
+        const QWindowList allWindows = QGuiApplication::allWindows();
+        for (QWindow *child : allWindows) {
             if (child != w && child->isVisible() && child->transientParent() == w) {
                 QWindowsWindow *platformWindow = QWindowsWindow::windowsWindowOf(child);
                 if (platformWindow && platformWindow->isLayered()) {

src/plugins/platforms/windows/windows.pri

@@ -9,7 +9,7 @@ mingw: LIBS *= -luuid
 # For the dialog helpers:
 LIBS += -lshlwapi -lshell32 -ladvapi32
 
-DEFINES *= QT_NO_CAST_FROM_ASCII
+DEFINES *= QT_NO_CAST_FROM_ASCII QT_NO_FOREACH
 
 SOURCES += \
     $$PWD/qwindowswindow.cpp \