Merge remote branch 'mainline/4.8'

Conflicts:
	dist/changes-4.8.0

6 files changed, 78 insertions, 37 deletions

diff --git a/src/corelib/codecs/qtextcodec_symbian.cpp b/src/corelib/codecs/qtextcodec_symbian.cpp
index c8a7357..504a7c8 100644
--- a/src/corelib/codecs/qtextcodec_symbian.cpp
+++ b/src/corelib/codecs/qtextcodec_symbian.cpp
@@ -119,11 +119,13 @@ static const QSymbianCodecInitData codecsData[] = {
     { /*271082504*/ 271082504,                                   0, "portuguese_locking_gsm7ext\0" },
     { /*271082505*/ 271082505,                                   0, "portuguese_locking_single\0" },
     { /*271082506*/ 271082506,                                   0, "spanish_gsm7_single\0" },
+    { /*271082762*/ 271082762,                                   0, "hkscs_2004\0" },
     { /*271085624*/ 271085624,                                 114, "GB18030\0" },
     { /*536929574*/ 536929574,                                  38, "EUC-KR\0" },
     { /*536936703*/ 536936703,                                   0, "CP949\0" },
     { /*536936705*/ 536936705,                                  37, "ISO-2022-KR\0csISO2022KR\0" },
-    { /*536941517*/ 536941517,                                  36, "KS_C_5601-1987\0iso-ir-149\0KS_C_5601-1989\0KSC_5601\0Korean\0csKSC56011987\0" }
+    { /*536941517*/ 536941517,                                  36, "KS_C_5601-1987\0iso-ir-149\0KS_C_5601-1989\0KSC_5601\0Korean\0csKSC56011987\0" },
+    { /*537124345*/ 537124345,                                 119, "KZ-1048\0" }
     };
 
 
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index 1f5f537..9c7f1c6 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -536,6 +536,11 @@ namespace QT_NAMESPACE {}
 #      define Q_COMPILER_LAMBDA
 #      define Q_COMPILER_UNICODE_STRINGS
 #    endif
+#    if (__GNUC__ * 100 + __GNUC_MINOR__) >= 406
+       /* C++0x features supported in GCC 4.6: */
+#      define Q_COMPILER_CONSTEXPR
+#    endif
+
 #  endif
 
 /* IBM compiler versions are a bit messy. There are actually two products:
@@ -1135,6 +1140,12 @@ redefine to built-in booleans to make autotests work properly */
 #  define QT_FASTCALL
 #endif
 
+#ifdef Q_COMPILER_CONSTEXPR
+# define Q_DECL_CONSTEXPR constexpr
+#else
+# define Q_DECL_CONSTEXPR
+#endif
+
 //defines the type for the WNDPROC on windows
 //the alignment needs to be forced for sse2 to not crash with mingw
 #if defined(Q_WS_WIN)
@@ -1166,25 +1177,25 @@ typedef double qreal;
 */
 
 template <typename T>
-inline T qAbs(const T &t) { return t >= 0 ? t : -t; }
+Q_DECL_CONSTEXPR inline T qAbs(const T &t) { return t >= 0 ? t : -t; }
 
-inline int qRound(qreal d)
+Q_DECL_CONSTEXPR inline int qRound(qreal d)
 { return d >= qreal(0.0) ? int(d + qreal(0.5)) : int(d - int(d-1) + qreal(0.5)) + int(d-1); }
 
 #if defined(QT_NO_FPU) || defined(QT_ARCH_ARM) || defined(QT_ARCH_WINDOWSCE) || defined(QT_ARCH_SYMBIAN)
-inline qint64 qRound64(double d)
+Q_DECL_CONSTEXPR inline qint64 qRound64(double d)
 { return d >= 0.0 ? qint64(d + 0.5) : qint64(d - qreal(qint64(d-1)) + 0.5) + qint64(d-1); }
 #else
-inline qint64 qRound64(qreal d)
+Q_DECL_CONSTEXPR inline qint64 qRound64(qreal d)
 { return d >= qreal(0.0) ? qint64(d + qreal(0.5)) : qint64(d - qreal(qint64(d-1)) + qreal(0.5)) + qint64(d-1); }
 #endif
 
 template <typename T>
-inline const T &qMin(const T &a, const T &b) { if (a < b) return a; return b; }
+Q_DECL_CONSTEXPR inline const T &qMin(const T &a, const T &b) { return (a < b) ? a : b; }
 template <typename T>
-inline const T &qMax(const T &a, const T &b) { if (a < b) return b; return a; }
+Q_DECL_CONSTEXPR inline const T &qMax(const T &a, const T &b) { return (a < b) ? b : a; }
 template <typename T>
-inline const T &qBound(const T &min, const T &val, const T &max)
+Q_DECL_CONSTEXPR inline const T &qBound(const T &min, const T &val, const T &max)
 { return qMax(min, qMin(max, val)); }
 
 #ifdef QT3_SUPPORT
@@ -1978,12 +1989,12 @@ inline bool operator!=(QBool b1, bool b2) { return !b1 != !b2; }
 inline bool operator!=(bool b1, QBool b2) { return !b1 != !b2; }
 inline bool operator!=(QBool b1, QBool b2) { return !b1 != !b2; }
 
-static inline bool qFuzzyCompare(double p1, double p2)
+Q_DECL_CONSTEXPR static inline bool qFuzzyCompare(double p1, double p2)
 {
     return (qAbs(p1 - p2) <= 0.000000000001 * qMin(qAbs(p1), qAbs(p2)));
 }
 
-static inline bool qFuzzyCompare(float p1, float p2)
+Q_DECL_CONSTEXPR static inline bool qFuzzyCompare(float p1, float p2)
 {
     return (qAbs(p1 - p2) <= 0.00001f * qMin(qAbs(p1), qAbs(p2)));
 }
@@ -1991,7 +2002,7 @@ static inline bool qFuzzyCompare(float p1, float p2)
 /*!
   \internal
 */
-static inline bool qFuzzyIsNull(double d)
+Q_DECL_CONSTEXPR static inline bool qFuzzyIsNull(double d)
 {
     return qAbs(d) <= 0.000000000001;
 }
@@ -1999,7 +2010,7 @@ static inline bool qFuzzyIsNull(double d)
 /*!
   \internal
 */
-static inline bool qFuzzyIsNull(float f)
+Q_DECL_CONSTEXPR static inline bool qFuzzyIsNull(float f)
 {
     return qAbs(f) <= 0.00001f;
 }
@@ -2267,9 +2278,9 @@ class QFlags
     int i;
 public:
     typedef Enum enum_type;
-    inline QFlags(const QFlags &f) : i(f.i) {}
-    inline QFlags(Enum f) : i(f) {}
-    inline QFlags(Zero = 0) : i(0) {}
+    Q_DECL_CONSTEXPR inline QFlags(const QFlags &f) : i(f.i) {}
+    Q_DECL_CONSTEXPR inline QFlags(Enum f) : i(f) {}
+    Q_DECL_CONSTEXPR inline QFlags(Zero = 0) : i(0) {}
     inline QFlags(QFlag f) : i(f) {}
 
     inline QFlags &operator=(const QFlags &f) { i = f.i; return *this; }
@@ -2280,18 +2291,18 @@ public:
     inline QFlags &operator^=(QFlags f) { i ^= f.i; return *this; }
     inline QFlags &operator^=(Enum f) { i ^= f; return *this; }
 
-    inline operator int() const { return i; }
+    Q_DECL_CONSTEXPR  inline operator int() const { return i; }
 
-    inline QFlags operator|(QFlags f) const { QFlags g; g.i = i | f.i; return g; }
-    inline QFlags operator|(Enum f) const { QFlags g; g.i = i | f; return g; }
-    inline QFlags operator^(QFlags f) const { QFlags g; g.i = i ^ f.i; return g; }
-    inline QFlags operator^(Enum f) const { QFlags g; g.i = i ^ f; return g; }
-    inline QFlags operator&(int mask) const { QFlags g; g.i = i & mask; return g; }
-    inline QFlags operator&(uint mask) const { QFlags g; g.i = i & mask; return g; }
-    inline QFlags operator&(Enum f) const { QFlags g; g.i = i & f; return g; }
-    inline QFlags operator~() const { QFlags g; g.i = ~i; return g; }
+    Q_DECL_CONSTEXPR inline QFlags operator|(QFlags f) const { return QFlags(Enum(i | f.i)); }
+    Q_DECL_CONSTEXPR inline QFlags operator|(Enum f) const { return QFlags(Enum(i | f)); }
+    Q_DECL_CONSTEXPR inline QFlags operator^(QFlags f) const { return QFlags(Enum(i ^ f.i)); }
+    Q_DECL_CONSTEXPR inline QFlags operator^(Enum f) const { return QFlags(Enum(i ^ f)); }
+    Q_DECL_CONSTEXPR inline QFlags operator&(int mask) const { return QFlags(Enum(i & mask)); }
+    Q_DECL_CONSTEXPR inline QFlags operator&(uint mask) const { return QFlags(Enum(i & mask)); }
+    Q_DECL_CONSTEXPR inline QFlags operator&(Enum f) const { return QFlags(Enum(i & f)); }
+    Q_DECL_CONSTEXPR inline QFlags operator~() const { return QFlags(Enum(~i)); }
 
-    inline bool operator!() const { return !i; }
+    Q_DECL_CONSTEXPR inline bool operator!() const { return !i; }
 
     inline bool testFlag(Enum f) const { return (i & f) == f && (f != 0 || i == int(f) ); }
 };
@@ -2304,9 +2315,9 @@ inline QIncompatibleFlag operator|(Flags::enum_type f1, int f2) \
 { return QIncompatibleFlag(int(f1) | f2); }
 
 #define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags) \
-inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) \
+Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) \
 { return QFlags<Flags::enum_type>(f1) | f2; } \
-inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) \
+Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) \
 { return f2 | f1; } Q_DECLARE_INCOMPATIBLE_FLAGS(Flags)
 
 
diff --git a/src/corelib/kernel/qabstractitemmodel.cpp b/src/corelib/kernel/qabstractitemmodel.cpp
index b7ac6aa..ddf1fbb 100644
--- a/src/corelib/kernel/qabstractitemmodel.cpp
+++ b/src/corelib/kernel/qabstractitemmodel.cpp
@@ -1348,6 +1348,26 @@ void QAbstractItemModelPrivate::columnsRemoved(const QModelIndex &parent,
 */
 
 /*!
+    \since 4.8
+
+    This slot is called just after the internal data of a model is cleared
+    while it is being reset.
+
+    This slot is provided the convenience of subclasses of concrete proxy
+    models, such as subclasses of QSortFilterProxyModel which maintain extra
+    data.
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp 10
+
+    \sa modelAboutToBeReset(), modelReset()
+*/
+void QAbstractItemModel::resetInternalData()
+{
+
+}
+
+
+/*!
     Constructs an abstract item model with the given \a parent.
 */
 QAbstractItemModel::QAbstractItemModel(QObject *parent)
@@ -1747,18 +1767,19 @@ QMimeData *QAbstractItemModel::mimeData(const QModelIndexList &indexes) const
     Returns true if the data and action can be handled by the model; otherwise
     returns false.
 
-    Although the specified \a row, \a column and \a parent indicate the
-    location of an item in the model where the operation ended, it is the
-    responsibility of the view to provide a suitable location for where the
-    data should be inserted.
+    The specified \a row, \a column and \a parent indicate the location of an
+    item in the model where the operation ended. It is the responsibility of
+    the model to complete the action at the correct location.
 
     For instance, a drop action on an item in a QTreeView can result in new
     items either being inserted as children of the item specified by \a row,
     \a column, and \a parent, or as siblings of the item.
 
-    When row and column are -1 it means that it is up to the model to decide
-    where to place the data. This can occur in a tree when data is dropped on
-    a parent. Models will usually append the data to the parent in this case.
+    When \a row and \a column are -1 it means that the dropped data should be
+    considered as dropped directly on \a parent. Usually this will mean
+    appending the data as child items of \a parent. If \a row and column are
+    greater than or equal zero, it means that the drop occurred just before the
+    specified \a row and \a column in the specified \a parent.
 
     \sa supportedDropActions(), {Using drag and drop with item views}
 */
@@ -2888,6 +2909,7 @@ void QAbstractItemModel::reset()
     Q_D(QAbstractItemModel);
     emit modelAboutToBeReset();
     d->invalidatePersistentIndexes();
+    QMetaObject::invokeMethod(this, "resetInternalData");
     emit modelReset();
 }
 
@@ -2930,6 +2952,7 @@ void QAbstractItemModel::endResetModel()
 {
     Q_D(QAbstractItemModel);
     d->invalidatePersistentIndexes();
+    QMetaObject::invokeMethod(this, "resetInternalData");
     emit modelReset();
 }
 
diff --git a/src/corelib/kernel/qabstractitemmodel.h b/src/corelib/kernel/qabstractitemmodel.h
index c7af7a2..eab1475 100644
--- a/src/corelib/kernel/qabstractitemmodel.h
+++ b/src/corelib/kernel/qabstractitemmodel.h
@@ -303,6 +303,9 @@ protected:
 
     void setRoleNames(const QHash<int,QByteArray> &roleNames);
 
+protected Q_SLOTS:
+    void resetInternalData();
+
 private:
     Q_DECLARE_PRIVATE(QAbstractItemModel)
     Q_DISABLE_COPY(QAbstractItemModel)
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 88618c3..67dbadb 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -2939,7 +2939,7 @@ bool QObject::disconnect(const QObject *sender, const char *signal,
     \a receiver. Returns true if the connection is successfully broken;
     otherwise returns false.
 
-    This function provides the same posibilities like
+    This function provides the same possibilities like
     disconnect(const QObject *sender, const char *signal, const QObject *receiver, const char *method)
     but uses QMetaMethod to represent the signal and the method to be disconnected.
 
@@ -2957,7 +2957,7 @@ bool QObject::disconnect(const QObject *sender, const char *signal,
 
     QMetaMethod() may be used as wildcard in the meaning "any signal" or "any slot in receiving object".
     In the same way 0 can be used for \a receiver in the meaning "any receiving object". In this case
-    method shoud also be QMetaMethod(). \a sender parameter should be never 0.
+    method should also be QMetaMethod(). \a sender parameter should be never 0.
 
     \sa disconnect(const QObject *sender, const char *signal, const QObject *receiver, const char *method)
  */
diff --git a/src/corelib/tools/qscopedpointer.h b/src/corelib/tools/qscopedpointer.h
index b15bcac..a24f62e 100644
--- a/src/corelib/tools/qscopedpointer.h
+++ b/src/corelib/tools/qscopedpointer.h
@@ -208,8 +208,10 @@ template <typename T, typename Cleanup = QScopedPointerArrayDeleter<T> >
 class QScopedArrayPointer : public QScopedPointer<T, Cleanup>
 {
 public:
+    inline QScopedArrayPointer() : QScopedPointer<T, Cleanup>(0) {}
+
     template <typename D>
-    explicit inline QScopedArrayPointer(D *p = 0, typename QtPrivate::QScopedArrayEnsureSameType<T,D>::Type = 0)
+    explicit inline QScopedArrayPointer(D *p, typename QtPrivate::QScopedArrayEnsureSameType<T,D>::Type = 0)
         : QScopedPointer<T, Cleanup>(p)
     {
     }