Merge branch 'qt-master-from-4.6' of scm.dev.nokia.troll.no:qt/qt-integration into master-integration

* 'qt-master-from-4.6' of scm.dev.nokia.troll.no:qt/qt-integration: (280 commits)
  Always use display() in QEglContext, so initialization can occur
  Fixed a regression in dockwidgets that would jump when toplevel resized
  Stabilize QGraphicsView benchmarks.
  Remove platform dependent code from QGraphicsView benchmark.
  Compiler warnings in QGraphicsView benchmark.
  Stabilize QGraphicsScene benchmarks.
  Compiler warning, unusable variable in tst_QGraphicsScene benchmark.
  Documented behavior of blur effect radius and drop shadow offset.
  Fixed autotest failure in tst_QPainter::drawEllipse on Maemo.
  Use correct include path for qglobal.h
  Fixed softkey localizaton to comile also on platforms without softkeys.
  Use correct (forward slash) separators in qmake-generated bld.inf
  Fix compilation on Mac 32-bit.
  Doc fix, ensure that the \obsolete tag is placed correctly
  Remove unusable test case from QGraphicsItem benchmark.
  Remove unstable test case from QGraphicsItem::setTransform benchmark.
  Stabilize QGraphicsItem benchmarks.
  Added note to make QList destructor virtual in version 5
  Fix handling of Evaluation licenses on the Windows configure.exe
  Change all ptrdiff_t to qptrdiff.
  ...

16 files changed, 137 insertions, 53 deletions

diff --git a/src/corelib/arch/qatomic_symbian.h b/src/corelib/arch/qatomic_symbian.h
index f1d332f..fa4e4a9 100644
--- a/src/corelib/arch/qatomic_symbian.h
+++ b/src/corelib/arch/qatomic_symbian.h
@@ -42,7 +42,7 @@
 #ifndef QATOMIC_SYMBIAN_H
 #define QATOMIC_SYMBIAN_H
 
-#include <qglobal.h>
+#include <QtCore/qglobal.h>
 #include <e32std.h>
 
 QT_BEGIN_HEADER
diff --git a/src/corelib/codecs/qtextcodec.cpp b/src/corelib/codecs/qtextcodec.cpp
index 1c607a6..ca5e658 100644
--- a/src/corelib/codecs/qtextcodec.cpp
+++ b/src/corelib/codecs/qtextcodec.cpp
@@ -80,6 +80,7 @@
 #endif // QT_NO_CODECS
 #include "qlocale.h"
 #include "qmutex.h"
+#include "qhash.h"
 
 #include <stdlib.h>
 #include <ctype.h>
@@ -172,6 +173,7 @@ static QTextCodec *createForMib(int mib)
 }
 
 static QList<QTextCodec*> *all = 0;
+static int clearCaches = 0;  // flags specifying if caches should be invalided: 0x1 codecForName, 0x2 codecForMib
 #ifdef Q_DEBUG_TEXTCODEC
 static bool destroying_is_ok = false;
 #endif
@@ -935,6 +937,7 @@ QTextCodec::~QTextCodec()
         QMutexLocker locker(textCodecsMutex());
 #endif
         all->removeAll(this);
+        clearCaches = 0x1 | 0x2;
     }
 }
 
@@ -961,17 +964,33 @@ QTextCodec *QTextCodec::codecForName(const QByteArray &name)
 #endif
     setup();
 
+    static QHash <QByteArray, QTextCodec *> cache;
+    if (clearCaches & 0x1) {
+        cache.clear();
+        clearCaches &= ~0x1;
+    }
+    QTextCodec *codec = cache.value(name);
+    if (codec)
+        return codec;
+
     for (int i = 0; i < all->size(); ++i) {
         QTextCodec *cursor = all->at(i);
-        if (nameMatch(cursor->name(), name))
+        if (nameMatch(cursor->name(), name)) {
+            cache.insert(name, cursor);
             return cursor;
+        }
         QList<QByteArray> aliases = cursor->aliases();
         for (int y = 0; y < aliases.size(); ++y)
-            if (nameMatch(aliases.at(y), name))
+            if (nameMatch(aliases.at(y), name)) {
+                cache.insert(name, cursor);
                 return cursor;
+            }
     }
 
-    return createForName(name);
+    codec = createForName(name);
+    if (codec)
+        cache.insert(name, codec);
+    return codec;
 }
 
 
@@ -986,19 +1005,34 @@ QTextCodec* QTextCodec::codecForMib(int mib)
 #endif
     setup();
 
-    // Qt 3 used 1000 (mib for UCS2) as its identifier for the utf16 codec. Map
-    // this correctly for compatibility.
-    if (mib == 1000)
-        mib = 1015;
+    static QHash <int, QTextCodec *> cache;
+    if (clearCaches & 0x2) {
+        cache.clear();
+        clearCaches &= ~0x2;
+    }
+    QTextCodec *codec = cache.value(mib);
+    if (codec)
+        return codec;
 
     QList<QTextCodec*>::ConstIterator i;
     for (int i = 0; i < all->size(); ++i) {
         QTextCodec *cursor = all->at(i);
-        if (cursor->mibEnum() == mib)
+        if (cursor->mibEnum() == mib) {
+            cache.insert(mib, cursor);
             return cursor;
+        }
     }
 
-    return createForMib(mib);
+    codec = createForMib(mib);
+
+    // Qt 3 used 1000 (mib for UCS2) as its identifier for the utf16 codec. Map
+    // this correctly for compatibility.
+    if (!codec && mib == 1000)
+        return codecForMib(1015);
+
+    if (codec)
+        cache.insert(mib, codec);
+    return codec;
 }
 
 /*!
diff --git a/src/corelib/concurrent/qfuture.h b/src/corelib/concurrent/qfuture.h
index e402335..02ae40a 100644
--- a/src/corelib/concurrent/qfuture.h
+++ b/src/corelib/concurrent/qfuture.h
@@ -111,7 +111,7 @@ public:
     {
     public:
         typedef std::bidirectional_iterator_tag iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef const T *pointer;
         typedef const T &reference;
diff --git a/src/corelib/corelib.pro b/src/corelib/corelib.pro
index 9a15bf1..efee610 100644
--- a/src/corelib/corelib.pro
+++ b/src/corelib/corelib.pro
@@ -35,4 +35,20 @@ symbian: {
     # Workaroud for problems with paging this dll
     MMP_RULES -= PAGED
     MMP_RULES *= UNPAGED
+
+    # Partial upgrade SIS file
+    vendorinfo = \
+        "&EN" \
+        "; Localised Vendor name" \
+        "%{\"Nokia, Qt\"}" \
+        " " \
+        "; Unique Vendor name" \
+        ":\"Nokia, Qt\"" \
+        " "
+    pu_header = "; Partial upgrade package for testing QtCore changes without reinstalling everything" \
+                "$${LITERAL_HASH}{\"Qt corelib\"}, (0x2001E61C), $${QT_MAJOR_VERSION},$${QT_MINOR_VERSION},$${QT_PATCH_VERSION}, TYPE=PU"
+    partial_upgrade.pkg_prerules = pu_header vendorinfo
+    partial_upgrade.sources = qtcore.dll
+    partial_upgrade.path = c:/sys/bin
+    DEPLOYMENT = partial_upgrade $$DEPLOYMENT
 }
diff --git a/src/corelib/io/qdatastream.cpp b/src/corelib/io/qdatastream.cpp
index 7c1887e..fc35bfa 100644
--- a/src/corelib/io/qdatastream.cpp
+++ b/src/corelib/io/qdatastream.cpp
@@ -157,6 +157,13 @@ QT_BEGIN_NAMESPACE
     data, followed by the data. Note that any encoding/decoding of
     the data (apart from the length quint32) must be done by you.
 
+    \section1 Reading and writing Qt collection classes
+
+    The Qt collection classes can also be serialized to a QDataStream.
+    These include QList, QLinkedList, QVector, QSet, QHash, and QMap.
+    These classes have have stream operators declared as non-member of
+    the class.    
+
     \target Serializing Qt Classes
     \section1 Reading and writing other Qt classes.
 
diff --git a/src/corelib/io/qfilesystemwatcher_kqueue.cpp b/src/corelib/io/qfilesystemwatcher_kqueue.cpp
index 8396481..99c165e 100644
--- a/src/corelib/io/qfilesystemwatcher_kqueue.cpp
+++ b/src/corelib/io/qfilesystemwatcher_kqueue.cpp
@@ -260,12 +260,22 @@ void QKqueueFileSystemWatcherEngine::run()
 
             DEBUG() << "QKqueueFileSystemWatcherEngine: processing kevent" << kev.ident << kev.filter;
             if (fd == kqpipe[0]) {
-                char c;
-                if (read(kqpipe[0], &c, 1) != 1) {
+                // read all pending data from the pipe
+                QByteArray ba;
+                ba.resize(kev.data);
+                if (read(kqpipe[0], ba.data(), ba.size()) != ba.size()) {
                     perror("QKqueueFileSystemWatcherEngine: error reading from pipe");
                     return;
                 }
-                switch (c) {
+                // read the command from the buffer (but break and return on 'q')
+                char cmd = 0;
+                for (int i = 0; i < ba.size(); ++i) {
+                    cmd = ba.constData()[i];
+                    if (cmd == 'q')
+                        break;
+                }
+                // handle the command
+                switch (cmd) {
                 case 'q':
                     DEBUG() << "QKqueueFileSystemWatcherEngine: thread received 'q', exiting...";
                     return;
@@ -273,7 +283,7 @@ void QKqueueFileSystemWatcherEngine::run()
                     DEBUG() << "QKqueueFileSystemWatcherEngine: thread received '@', continuing...";
                     break;
                 default:
-                    DEBUG() << "QKqueueFileSystemWatcherEngine: thread received unknow message" << c;
+                    DEBUG() << "QKqueueFileSystemWatcherEngine: thread received unknow message" << cmd;
                     break;
                 }
             } else {
diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp
index eb99f27..d8b1c03 100644
--- a/src/corelib/io/qfsfileengine_win.cpp
+++ b/src/corelib/io/qfsfileengine_win.cpp
@@ -1479,7 +1479,7 @@ QAbstractFileEngine::FileFlags QFSFileEnginePrivate::getPermissions() const
            {
         //### what to do with permissions if we don't use NTFS
         // for now just add all permissions and what about exe missions ??
-        // also qt_ntfs_permission_lookup is now not set by defualt ... should it ?
+        // also qt_ntfs_permission_lookup is now not set by default ... should it ?
         ret |= QAbstractFileEngine::ReadOtherPerm | QAbstractFileEngine::ReadGroupPerm
             | QAbstractFileEngine::ReadOwnerPerm | QAbstractFileEngine::ReadUserPerm
             | QAbstractFileEngine::WriteUserPerm | QAbstractFileEngine::WriteOwnerPerm
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
index 7c8fb3d..818b7cf 100644
--- a/src/corelib/kernel/qeventdispatcher_win.cpp
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -68,6 +68,14 @@ extern uint qGlobalPostedEventsCount();
 #  define QS_RAWINPUT 0x0400
 #endif
 
+#ifndef WM_TOUCH
+#  define WM_TOUCH 0x0240
+#endif
+#ifndef WM_GESTURE
+#  define WM_GESTURE 0x0119
+#  define WM_GESTURENOTIFY 0x011A
+#endif
+
 enum {
     WM_QT_SOCKETNOTIFIER = WM_USER,
     WM_QT_SENDPOSTEDEVENTS = WM_USER + 1,
@@ -729,6 +737,9 @@ bool QEventDispatcherWin32::processEvents(QEventLoop::ProcessEventsFlags flags)
                             && msg.message <= WM_MOUSELAST)
                         || msg.message == WM_MOUSEWHEEL
                         || msg.message == WM_MOUSEHWHEEL
+                        || msg.message == WM_TOUCH
+                        || msg.message == WM_GESTURE
+                        || msg.message == WM_GESTURENOTIFY
                         || msg.message == WM_CLOSE)) {
                     // queue user input events for later processing
                     haveMessage = false;
diff --git a/src/corelib/tools/qcontiguouscache.h b/src/corelib/tools/qcontiguouscache.h
index 1f7fdb2..f767962 100644
--- a/src/corelib/tools/qcontiguouscache.h
+++ b/src/corelib/tools/qcontiguouscache.h
@@ -97,7 +97,7 @@ public:
     typedef const value_type* const_pointer;
     typedef value_type& reference;
     typedef const value_type& const_reference;
-    typedef ptrdiff_t difference_type;
+    typedef qptrdiff difference_type;
     typedef int size_type;
 
     explicit QContiguousCache(int capacity = 0);
@@ -221,22 +221,29 @@ void QContiguousCache<T>::setCapacity(int asize)
     x.d->alloc = asize;
     x.d->count = qMin(d->count, asize);
     x.d->offset = d->offset + d->count - x.d->count;
-    x.d->start = x.d->offset % x.d->alloc;
-    T *dest = x.p->array + (x.d->start + x.d->count-1) % x.d->alloc;
-    T *src = p->array + (d->start + d->count-1) % d->alloc;
+    if(asize)
+        x.d->start = x.d->offset % x.d->alloc;
+    else
+        x.d->start = 0;
+
     int oldcount = x.d->count;
-    while (oldcount--) {
-        if (QTypeInfo<T>::isComplex) {
-            new (dest) T(*src);
-        } else {
-            *dest = *src;
+    if(oldcount)
+    {
+        T *dest = x.p->array + (x.d->start + x.d->count-1) % x.d->alloc;
+        T *src = p->array + (d->start + d->count-1) % d->alloc;
+        while (oldcount--) {
+            if (QTypeInfo<T>::isComplex) {
+                new (dest) T(*src);
+            } else {
+                *dest = *src;
+            }
+            if (dest == x.p->array)
+                dest = x.p->array + x.d->alloc;
+            dest--;
+            if (src == p->array)
+                src = p->array + d->alloc;
+            src--;
         }
-        if (dest == x.p->array)
-            dest = x.p->array + x.d->alloc;
-        dest--;
-        if (src == p->array)
-            src = p->array + d->alloc;
-        src--;
     }
     /* free old */
     free(p);
diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h
index 2832ca2..f1030ae 100644
--- a/src/corelib/tools/qhash.h
+++ b/src/corelib/tools/qhash.h
@@ -330,7 +330,7 @@ public:
 
     public:
         typedef std::bidirectional_iterator_tag iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef T *pointer;
         typedef T &reference;
@@ -395,7 +395,7 @@ public:
 
     public:
         typedef std::bidirectional_iterator_tag iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef const T *pointer;
         typedef const T &reference;
@@ -479,7 +479,7 @@ public:
     // STL compatibility
     typedef T mapped_type;
     typedef Key key_type;
-    typedef ptrdiff_t difference_type;
+    typedef qptrdiff difference_type;
     typedef int size_type;
 
     inline bool empty() const { return isEmpty(); }
diff --git a/src/corelib/tools/qlinkedlist.h b/src/corelib/tools/qlinkedlist.h
index fe586a4..d145fe3 100644
--- a/src/corelib/tools/qlinkedlist.h
+++ b/src/corelib/tools/qlinkedlist.h
@@ -114,7 +114,7 @@ public:
     {
     public:
         typedef std::bidirectional_iterator_tag  iterator_category;
-        typedef ptrdiff_t  difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef T *pointer;
         typedef T &reference;
@@ -147,7 +147,7 @@ public:
     {
     public:
         typedef std::bidirectional_iterator_tag  iterator_category;
-        typedef ptrdiff_t  difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef const T *pointer;
         typedef const T &reference;
@@ -213,7 +213,7 @@ public:
     typedef const value_type *const_pointer;
     typedef value_type &reference;
     typedef const value_type &const_reference;
-    typedef ptrdiff_t difference_type;
+    typedef qptrdiff difference_type;
 
 #ifndef QT_NO_STL
     static inline QLinkedList<T> fromStdList(const std::list<T> &list)
diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h
index 1d08c41..c98c5e9 100644
--- a/src/corelib/tools/qlist.h
+++ b/src/corelib/tools/qlist.h
@@ -112,7 +112,7 @@ class QList
 public:
     inline QList() : d(&QListData::shared_null) { d->ref.ref(); }
     inline QList(const QList<T> &l) : d(l.d) { d->ref.ref(); if (!d->sharable) detach_helper(); }
-    ~QList();
+    ~QList(); // ### Qt5: make this destructor virtual
     QList<T> &operator=(const QList<T> &l);
     bool operator==(const QList<T> &l) const;
     inline bool operator!=(const QList<T> &l) const { return !(*this == l); }
@@ -164,7 +164,7 @@ public:
     public:
         Node *i;
         typedef std::random_access_iterator_tag  iterator_category;
-        typedef ptrdiff_t  difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef T *pointer;
         typedef T &reference;
@@ -211,7 +211,7 @@ public:
     public:
         Node *i;
         typedef std::random_access_iterator_tag  iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef const T *pointer;
         typedef const T &reference;
@@ -290,7 +290,7 @@ public:
     typedef const value_type *const_pointer;
     typedef value_type &reference;
     typedef const value_type &const_reference;
-    typedef ptrdiff_t difference_type;
+    typedef qptrdiff difference_type;
 
 #ifdef QT3_SUPPORT
     inline QT3_SUPPORT iterator remove(iterator pos) { return erase(pos); }
diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h
index 9ba9ca5..2e21547 100644
--- a/src/corelib/tools/qmap.h
+++ b/src/corelib/tools/qmap.h
@@ -214,7 +214,7 @@ public:
 
     public:
         typedef std::bidirectional_iterator_tag iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef T *pointer;
         typedef T &reference;
@@ -282,7 +282,7 @@ public:
 
     public:
         typedef std::bidirectional_iterator_tag iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef const T *pointer;
         typedef const T &reference;
@@ -385,7 +385,7 @@ public:
     // STL compatibility
     typedef Key key_type;
     typedef T mapped_type;
-    typedef ptrdiff_t difference_type;
+    typedef qptrdiff difference_type;
     typedef int size_type;
     inline bool empty() const { return isEmpty(); }
 
diff --git a/src/corelib/tools/qset.h b/src/corelib/tools/qset.h
index 6525880..b266deb 100644
--- a/src/corelib/tools/qset.h
+++ b/src/corelib/tools/qset.h
@@ -97,7 +97,7 @@ public:
 
     public:
         typedef std::bidirectional_iterator_tag iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef const T *pointer;
         typedef const T &reference;
@@ -132,7 +132,7 @@ public:
 
     public:
         typedef std::bidirectional_iterator_tag iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef const T *pointer;
         typedef const T &reference;
@@ -188,11 +188,10 @@ public:
     typedef const value_type *const_pointer;
     typedef value_type &reference;
     typedef const value_type &const_reference;
-    typedef ptrdiff_t difference_type;
+    typedef qptrdiff difference_type;
     typedef int size_type;
 
     inline bool empty() const { return isEmpty(); }
-
     // comfort
     inline QSet<T> &operator<<(const T &value) { insert(value); return *this; }
     inline QSet<T> &operator|=(const QSet<T> &other) { unite(other); return *this; }
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 0dcea5f..d85c248 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -132,7 +132,7 @@ namespace QtSharedPointer {
         typedef const value_type *const_pointer;
         typedef value_type &reference;
         typedef const value_type &const_reference;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
 
         inline T *data() const { return value; }
         inline bool isNull() const { return !data(); }
@@ -541,7 +541,7 @@ public:
     typedef const value_type *const_pointer;
     typedef value_type &reference;
     typedef const value_type &const_reference;
-    typedef ptrdiff_t difference_type;
+    typedef qptrdiff difference_type;
 
     inline bool isNull() const { return d == 0 || d->strongref == 0 || value == 0; }
 #ifndef Q_CC_NOKIAX86
diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h
index 61b22fd..60c17a2 100644
--- a/src/corelib/tools/qvector.h
+++ b/src/corelib/tools/qvector.h
@@ -164,7 +164,7 @@ public:
     public:
         T *i;
         typedef std::random_access_iterator_tag  iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef T *pointer;
         typedef T &reference;
@@ -197,7 +197,7 @@ public:
     public:
         T *i;
         typedef std::random_access_iterator_tag  iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef const T *pointer;
         typedef const T &reference;
@@ -261,7 +261,7 @@ public:
     typedef const value_type* const_pointer;
     typedef value_type& reference;
     typedef const value_type& const_reference;
-    typedef ptrdiff_t difference_type;
+    typedef qptrdiff difference_type;
     typedef iterator Iterator;
     typedef const_iterator ConstIterator;
     typedef int size_type;