Merge remote branch 'origin/4.6'

Conflicts:
	tools/qdoc3/test/qt-build-docs.qdocconf

4 files changed, 28 insertions, 7 deletions

diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index 5a7b559..7d47944 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -2479,7 +2479,7 @@ bool qputenv(const char *varName, const QByteArray& value)
 #endif
 }
 
-#if defined(Q_OS_UNIX) && !defined(QT_NO_THREAD) && !defined(Q_OS_SYMBIAN)
+#if (defined(Q_OS_UNIX) || defined(Q_OS_WIN)) && !defined(QT_NO_THREAD) && !defined(Q_OS_SYMBIAN)
 
 #  if defined(Q_OS_INTEGRITY) && defined(__GHS_VERSION_NUMBER) && (__GHS_VERSION_NUMBER < 500)
 // older versions of INTEGRITY used a long instead of a uint for the seed.
@@ -2535,20 +2535,35 @@ void qsrand(uint seed)
 */
 void qsrand()
 {
-#if defined(Q_OS_UNIX) && !defined(QT_NO_THREAD) && !defined(Q_OS_SYMBIAN)
+#if (defined(Q_OS_UNIX) || defined(Q_OS_WIN)) && !defined(QT_NO_THREAD) && !defined(Q_OS_SYMBIAN)
     SeedStorageType *pseed = randTLS()->localData();
     if (pseed) {
         // already seeded
         return;
     }
     randTLS()->setLocalData(pseed = new SeedStorageType);
-    static QBasicAtomicInt serial = Q_BASIC_ATOMIC_INITIALIZER(0);
+    // start beyond 1 to avoid the sequence reset
+    static QBasicAtomicInt serial = Q_BASIC_ATOMIC_INITIALIZER(2);
     *pseed = QDateTime::currentDateTime().toTime_t()
              + quintptr(&pseed)
              + serial.fetchAndAddRelaxed(1);
-#else
-    // On Windows, we assume that rand() already does the right thing
+#if defined(Q_OS_WIN)
+    // for Windows the srand function must still be called.
+    srand(*pseed);
 #endif
+
+#elif defined(Q_OS_WIN)
+    static unsigned int seed = 0;
+
+    if (seed)
+        return;
+
+    seed = GetTickCount();
+    srand(seed);
+#else 
+    // Symbian?
+
+#endif // defined(Q_OS_UNIX) || defined(Q_OS_WIN)) && !defined(QT_NO_THREAD) && !defined(Q_OS_SYMBIAN)
 }
 
 /*!
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index b11cfb4..470b41e 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -466,7 +466,7 @@ namespace QT_NAMESPACE {}
 #    define Q_NO_USING_KEYWORD
 #    define QT_NO_STL_WCHAR
 #  endif
-#  if __GNUC__ >= 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
+#  if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 #    define Q_ALIGNOF(type)   __alignof__(type)
 #    define Q_TYPEOF(expr)    __typeof__(expr)
 #    define Q_DECL_ALIGN(n)   __attribute__((__aligned__(n)))
diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index f28f94e..2b62c6b 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -1631,7 +1631,10 @@ public:
     enum GestureContext
     {
         WidgetGesture             = 0,
-        WidgetWithChildrenGesture = 3
+        WidgetWithChildrenGesture = 3,
+
+        ItemGesture                  = WidgetGesture,
+        ItemWithChildrenGesture      = WidgetWithChildrenGesture
     };
 
     enum NavigationMode
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index e8d6df0..5f9d01d 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -2841,6 +2841,9 @@
     \value WidgetGesture Gestures can only start over the widget itself.
     \value WidgetWithChildrenGesture Gestures can start on the widget or over
     any of its children.
+    \value ItemGesture Gestures can only start over the item itself.
+    \value ItemWithChildrenGesture Gestures can start on the item or over
+    any of its children.
 
     \sa QWidget::grabGesture()
 */