Merge remote-tracking branch 'origin/5.15' into dev

Change-Id: Ica69de99be9c8af4d28a52e4b69e6af748ed983c

4 files changed, 38 insertions, 29 deletions

diff --git a/src/corelib/global/qconfig-bootstrapped.h b/src/corelib/global/qconfig-bootstrapped.h
index e6ad80525a..e9383ca68b 100644
--- a/src/corelib/global/qconfig-bootstrapped.h
+++ b/src/corelib/global/qconfig-bootstrapped.h
@@ -74,6 +74,7 @@
 #else
 # define QT_FEATURE_alloca_malloc_h -1
 #endif
+#define QT_FEATURE_cborstream -1
 #define QT_CRYPTOGRAPHICHASH_ONLY_SHA1
 #define QT_FEATURE_cxx11_random (QT_HAS_INCLUDE(<random>) ? 1 : -1)
 #define QT_NO_DATASTREAM
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index 114a4d71e2..a06e9ab6c6 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -47,12 +47,11 @@
 #include "qoperatingsystemversion.h"
 #include "qoperatingsystemversion_p.h"
 #if defined(Q_OS_WIN) || defined(Q_OS_CYGWIN) || defined(Q_OS_WINRT)
-#include "qoperatingsystemversion_win_p.h"
-#  if QT_CONFIG(settings)
-#    include "qsettings.h"
-#    include "qvariant.h"
+#  include "qoperatingsystemversion_win_p.h"
+#  ifndef Q_OS_WINRT
+#    include "private/qwinregistry_p.h"
 #  endif
-#endif
+#endif // Q_OS_WIN || Q_OS_CYGWIN
 #include <private/qlocale_tools_p.h>
 
 #include <qmutex.h>
@@ -2206,28 +2205,25 @@ const QSysInfo::WinVersion QSysInfo::WindowsVersion = QSysInfo::windowsVersion()
 QT_WARNING_POP
 #endif
 
-static QString readRegistryString(const QString &key, const QString &subKey)
+static QString readVersionRegistryString(const wchar_t *subKey)
 {
-#if QT_CONFIG(settings)
-    QSettings settings(key, QSettings::NativeFormat);
-    return settings.value(subKey).toString();
+#if !defined(QT_BUILD_QMAKE) && !defined(Q_OS_WINRT)
+     return QWinRegistryKey(HKEY_LOCAL_MACHINE, LR"(SOFTWARE\Microsoft\Windows NT\CurrentVersion)")
+            .stringValue(subKey);
 #else
-    Q_UNUSED(key);
-    Q_UNUSED(subKey);
-    return QString();
+     Q_UNUSED(subKey);
+     return QString();
 #endif
 }
 
-static inline QString windowsVersionKey() { return QStringLiteral(R"(HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion)"); }
-
 static inline QString windows10ReleaseId()
 {
-    return readRegistryString(windowsVersionKey(), QStringLiteral("ReleaseId"));
+    return readVersionRegistryString(L"ReleaseId");
 }
 
 static inline QString windows7Build()
 {
-    return readRegistryString(windowsVersionKey(), QStringLiteral("CurrentBuild"));
+    return readVersionRegistryString(L"CurrentBuild");
 }
 
 static QString winSp_helper()
@@ -3094,6 +3090,7 @@ QByteArray QSysInfo::machineUniqueId()
     }
 #elif defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
     // Let's poke at the registry
+    // ### Qt 6: Use new helpers from qwinregistry.cpp (once bootstrap builds are obsolete)
     HKEY key = NULL;
     if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Cryptography", 0, KEY_READ | KEY_WOW64_64KEY, &key)
             == ERROR_SUCCESS) {
diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index 810c55709c..047ed8e7b3 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -1575,9 +1575,12 @@ public:
         MatchContains = 1,
         MatchStartsWith = 2,
         MatchEndsWith = 3,
-        MatchRegExp = 4,
+#if QT_DEPRECATED_SINCE(5, 15)
+        MatchRegExp Q_DECL_ENUMERATOR_DEPRECATED_X("MatchRegExp is deprecated. Use MatchRegularExpression instead") = 4,
+#endif
         MatchWildcard = 5,
         MatchFixedString = 8,
+        MatchRegularExpression = 9,
         MatchCaseSensitive = 16,
         MatchWrap = 32,
         MatchRecursive = 64
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index cce88782e9..9896cf6e02 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -2840,24 +2840,32 @@
     This enum describes the type of matches that can be used when searching
     for items in a model.
 
-    \value MatchExactly     Performs QVariant-based matching.
-    \value MatchFixedString Performs string-based matching.
+    \value MatchExactly            Performs QVariant-based matching.
+    \value MatchFixedString        Performs string-based matching.
            String-based comparisons are case-insensitive unless the
            \c MatchCaseSensitive flag is also specified.
-    \value MatchContains    The search term is contained in the item.
-    \value MatchStartsWith  The search term matches the start of the item.
-    \value MatchEndsWith    The search term matches the end of the item.
-    \value MatchCaseSensitive  The search is case sensitive.
-    \value MatchRegExp      Performs string-based matching using a regular
-           expression as the search term.
-    \value MatchWildcard    Performs string-based matching using a string with
+    \value MatchContains           The search term is contained in the item.
+    \value MatchStartsWith         The search term matches the start of the item.
+    \value MatchEndsWith           The search term matches the end of the item.
+    \value MatchCaseSensitive      The search is case sensitive.
+    \value MatchRegExp             Performs string-based matching using a regular
+           expression as the search term. Uses the deprecated QRegExp class.
+           \e{This enum value is deprecated since Qt 5.15.}
+    \value MatchRegularExpression  Performs string-based matching using a regular
+           expression as the search term. Uses QRegularExpression.
+           When using this flag, a QRegularExpression object can be passed as
+           parameter and will directly be used to perform the search. The case
+           sensitivity flag will be ignored as the QRegularExpression object is
+           expected to be fully configured.
+           This enum value was added in Qt 5.15.
+    \value MatchWildcard           Performs string-based matching using a string with
            wildcards as the search term.
-    \value MatchWrap        Perform a search that wraps around, so that when
+    \value MatchWrap               Perform a search that wraps around, so that when
            the search reaches the last item in the model, it begins again at
            the first item and continues until all items have been examined.
-    \value MatchRecursive   Searches the entire hierarchy.
+    \value MatchRecursive          Searches the entire hierarchy.
 
-    \sa QString::compare(), QRegExp
+    \sa QString::compare(), QRegExp, QRegularExpression
 */
 
 /*!