Remove QOperatingSystemVersion::WindowsVista

The minimum supported version is Windows 7. Remove
QOperatingSystemVersion::WindowsVista added by
b0cd007335 and replace with "true"
wherever it was used.

Change-Id: I08c0208467b655a921b6773f77d8bc099be69031
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/corelib/global/qoperatingsystemversion.cpp

@@ -355,14 +355,6 @@ bool QOperatingSystemVersion::isAnyOfType(std::initializer_list<OSType> types) c
     return false;
 }
 
-/*!
-    \variable QOperatingSystemVersion::WindowsVista
-    \brief a version corresponding to Windows Vista (version 6.0).
-    \since 6.0
- */
-const QOperatingSystemVersion QOperatingSystemVersion::WindowsVista =
-        QOperatingSystemVersion(QOperatingSystemVersion::Windows, 6, 0);
-
 /*!
     \variable QOperatingSystemVersion::Windows7
     \brief a version corresponding to Windows 7 (version 6.1).

src/corelib/global/qoperatingsystemversion.h

@@ -60,7 +60,6 @@ public:
         Android
     };
 
-    static const QOperatingSystemVersion WindowsVista;
     static const QOperatingSystemVersion Windows7;
     static const QOperatingSystemVersion Windows8;
     static const QOperatingSystemVersion Windows8_1;

src/network/ssl/qsslsocket_openssl11.cpp

@@ -143,13 +143,12 @@ void QSslSocketPrivate::ensureCiphersAndCertsLoaded()
     if (!s_loadRootCertsOnDemand)
         setDefaultCaCertificates(systemCaCertificates());
 #ifdef Q_OS_WIN
-    //Enabled for fetching additional root certs from windows update on windows 6+
+    //Enabled for fetching additional root certs from windows update on windows.
     //This flag is set false by setDefaultCaCertificates() indicating the app uses
     //its own cert bundle rather than the system one.
     //Same logic that disables the unix on demand cert loading.
     //Unlike unix, we do preload the certificates from the cert store.
-    if (QOperatingSystemVersion::current() >= QOperatingSystemVersion::WindowsVista)
-        s_loadRootCertsOnDemand = true;
+    s_loadRootCertsOnDemand = true;
 #endif
 }
 

src/plugins/styles/windowsvista/qwindowsvistastyle.cpp

@@ -84,8 +84,7 @@ static const int windowsRightBorder      = 15; // right border on windows
 */
 bool QWindowsVistaStylePrivate::useVista()
 {
-    return QOperatingSystemVersion::current() >= QOperatingSystemVersion::WindowsVista
-            && QWindowsVistaStylePrivate::useXP();
+    return QWindowsVistaStylePrivate::useXP();
 }
 
 /* \internal

tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp

@@ -2098,8 +2098,7 @@ void tst_QFileInfo::owner()
     DWORD  bufSize = 1024;
     if (GetUserNameW(usernameBuf, &bufSize)) {
         userName = QString::fromWCharArray(usernameBuf);
-        if (QOperatingSystemVersion::current() >= QOperatingSystemVersion::WindowsVista
-                && IsUserAdmin()) {
+        if (IsUserAdmin()) {
             // Special case : If the user is a member of Administrators group, all files
             // created by the current user are owned by the Administrators group.
             LPLOCALGROUP_USERS_INFO_0 pBuf = NULL;

tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp

@@ -881,11 +881,6 @@ void tst_QTcpServer::serverAddress_data()
 {
     QTest::addColumn<QHostAddress>("listenAddress");
     QTest::addColumn<QHostAddress>("serverAddress");
-#ifdef Q_OS_WIN
-    if (QOperatingSystemVersion::current() < QOperatingSystemVersion::WindowsVista)
-        QTest::newRow("Any") << QHostAddress(QHostAddress::Any) << QHostAddress(QHostAddress::AnyIPv4); //windows XP doesn't support dual stack sockets
-    else
-#endif
     if (QtNetworkSettings::hasIPv6())
         QTest::newRow("Any") << QHostAddress(QHostAddress::Any) << QHostAddress(QHostAddress::Any);
     else

tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp

@@ -7704,9 +7704,7 @@ void tst_QWidget::moveWindowInShowEvent()
 void tst_QWidget::repaintWhenChildDeleted()
 {
 #ifdef Q_OS_WIN
-    if (QOperatingSystemVersion::current() >= QOperatingSystemVersion::WindowsVista) {
-        QTest::qWait(1000);
-    }
+    QTest::qWait(1000);
 #endif
     ColorWidget w(nullptr, Qt::FramelessWindowHint, Qt::red);
     w.setWindowTitle(QLatin1String(QTest::currentTestFunction()));
@@ -8903,11 +8901,10 @@ void tst_QWidget::translucentWidget()
 
 #ifdef Q_OS_WIN
     QWidget *desktopWidget = QApplication::desktop()->screen(0);
-    if (QOperatingSystemVersion::current() >= QOperatingSystemVersion::WindowsVista)
-        widgetSnapshot = grabWindow(desktopWidget->windowHandle(), labelPos.x(), labelPos.y(), label.width(), label.height());
-    else
+    widgetSnapshot = grabWindow(desktopWidget->windowHandle(), labelPos.x(), labelPos.y(), label.width(), label.height());
+#else
+    widgetSnapshot = label.grab(QRect(QPoint(0, 0), label.size()));
 #endif
-        widgetSnapshot = label.grab(QRect(QPoint(0, 0), label.size()));
     const QImage actual = widgetSnapshot.toImage().convertToFormat(QImage::Format_RGB32);
     const QImage expected = pm.toImage().scaled(label.devicePixelRatioF() * pm.size());
     if (m_platform == QStringLiteral("winrt"))

tests/auto/widgets/widgets/qprogressbar/tst_qprogressbar.cpp

@@ -171,11 +171,8 @@ void tst_QProgressBar::format()
     bar.setFormat("%v of %m (%p%)");
     qApp->processEvents();
 
-#ifndef Q_OS_MAC
+#if !defined(Q_OS_MACOS) && !defined(Q_OS_WIN)
     // Animated scroll bars get paint events all the time
-#ifdef Q_OS_WIN
-    if (QOperatingSystemVersion::current() < QOperatingSystemVersion::WindowsVista)
-#endif
     QVERIFY(!bar.repainted);
 #endif