Merge branch 'master' of git@scm.dev.nokia.troll.no:qt/qt

Conflicts:
	doc/src/qnamespace.qdoc
	doc/src/snippets/code/src_gui_qproxystyle.cpp
	src/3rdparty/webkit/VERSION
	src/3rdparty/webkit/WebKit/qt/ChangeLog
	src/gui/graphicsview/qgraphicsscene.cpp
	src/gui/kernel/qapplication.cpp
	src/gui/kernel/qapplication_x11.cpp
	src/gui/kernel/qt_x11_p.h
	src/gui/kernel/qwidget.cpp
	src/gui/styles/qproxystyle.cpp
	src/gui/styles/qstyle.cpp
	src/scripttools/debugging/qscriptdebugger.cpp
	src/scripttools/debugging/qscriptenginedebugger.cpp
	src/sql/drivers/odbc/qsql_odbc.cpp
	src/sql/kernel/qsqldatabase.cpp
	src/sql/kernel/qsqldriver.cpp

36 files changed, 469 insertions, 251 deletions

diff --git a/src/3rdparty/webkit/VERSION b/src/3rdparty/webkit/VERSION
index a0f039b..f3e81c1 100644
--- a/src/3rdparty/webkit/VERSION
+++ b/src/3rdparty/webkit/VERSION
@@ -4,8 +4,8 @@ This is a snapshot of the Qt port of WebKit from
 
 The commit imported was from the
 
-        qtwebkit-4.6-snapshot-15062009 branch/tag
+        origin/qtwebkit-4.6-staging branch/tag
 
 and has the sha1 checksum
 
-        65232bf00dc494ebfd978f998c88f58d18ecce1e
+        751940f0f1fb2599250632d7f0a3ead3930466af
diff --git a/src/3rdparty/webkit/WebKit/qt/ChangeLog b/src/3rdparty/webkit/WebKit/qt/ChangeLog
index f3bac73..8d50ddd 100644
--- a/src/3rdparty/webkit/WebKit/qt/ChangeLog
+++ b/src/3rdparty/webkit/WebKit/qt/ChangeLog
@@ -1,3 +1,24 @@
+2009-06-16  David Boddie  <dboddie@trolltech.com>
+
+        Reviewed by Simon Hausmann.
+
+        Doc: Fixed QWebPage::forwardUnsupportedContent documentation and added
+        more information about Web plugins.
+
+        * Api/qwebpage.cpp:
+        * Api/qwebsettings.cpp:
+        * docs/qtwebkit.qdoc:
+
+2009-06-16  Morten Engvoldsen  <morten.engvoldsen@nokia.com>
+
+        Reviewed by Ariya Hidayat.
+
+        Clearifying QWebFrame docs
+
+        Adding docs to toHtml() and toPlainText()
+
+        * Api/qwebframe.cpp:
+
 2009-06-10  Antonio Gomes   <antonio.gomes@openbossa.org>
 
         Reviewed by Ariya Hidayat.
diff --git a/src/corelib/io/qabstractfileengine.cpp b/src/corelib/io/qabstractfileengine.cpp
index bedc121..379c932 100644
--- a/src/corelib/io/qabstractfileengine.cpp
+++ b/src/corelib/io/qabstractfileengine.cpp
@@ -252,6 +252,8 @@ QAbstractFileEngine *QAbstractFileEngine::create(const QString &fileName)
     \value CanonicalPathName Same as CanonicalName, excluding the base name.
     \value BundleName Returns the name of the bundle implies BundleType is set.
 
+    \omitvalue NFileNames
+
     \sa fileName(), setFileName()
 */
 
diff --git a/src/corelib/io/qabstractfileengine.h b/src/corelib/io/qabstractfileengine.h
index d742467..f60a5eb 100644
--- a/src/corelib/io/qabstractfileengine.h
+++ b/src/corelib/io/qabstractfileengine.h
@@ -100,7 +100,8 @@ public:
         LinkName,
         CanonicalName,
         CanonicalPathName,
-        BundleName
+        BundleName,
+        NFileNames = 9
     };
     enum FileOwner {
         OwnerUser,
diff --git a/src/corelib/io/qdiriterator.cpp b/src/corelib/io/qdiriterator.cpp
index 81bfb27..ac08e7b 100644
--- a/src/corelib/io/qdiriterator.cpp
+++ b/src/corelib/io/qdiriterator.cpp
@@ -110,7 +110,7 @@ public:
                           QDir::Filters filters);
     void advance();
     bool shouldFollowDirectory(const QFileInfo &);
-    bool matchesFilters(const QAbstractFileEngineIterator *it) const;
+    bool matchesFilters(const QString &fileName, const QFileInfo &fi) const;
 
     QSet<QString> visitedLinks;
     QAbstractFileEngine *engine;
@@ -135,14 +135,13 @@ public:
 */
 QDirIteratorPrivate::QDirIteratorPrivate(const QString &path, const QStringList &nameFilters,
                                          QDir::Filters filters, QDirIterator::IteratorFlags flags)
-    : engine(0), path(path), iteratorFlags(flags), followNextDir(false), first(true), done(false)
+    : engine(0), path(path), nextFileInfo(path), iteratorFlags(flags), followNextDir(false), first(true), done(false)
 {
     if (filters == QDir::NoFilter)
         filters = QDir::AllEntries;
     this->filters = filters;
     this->nameFilters = nameFilters;
 
-    nextFileInfo.setFile(path);
     pushSubDirectory(nextFileInfo.isSymLink() ? nextFileInfo.canonicalFilePath() : path,
                      nameFilters, filters);
 }
@@ -214,23 +213,23 @@ void QDirIteratorPrivate::advance()
         bool foundDirectory = false;
         while (it->hasNext()) {
             it->next();
-            if (matchesFilters(it)) {
+            const QFileInfo info = it->currentFileInfo();
+            if (matchesFilters(it->currentFileName(), info)) {
                 currentFileInfo = nextFileInfo;
-                nextFileInfo = it->currentFileInfo();
+                nextFileInfo = info;
                 // Signal that we want to follow this entry.
                 followNextDir = shouldFollowDirectory(nextFileInfo);
                 //We found a matching entry.
                 return;
 
             } else if (iteratorFlags & QDirIterator::Subdirectories) {
-                QFileInfo fileInfo = it->currentFileInfo();
 
-                if (!shouldFollowDirectory(fileInfo))
+                if (!shouldFollowDirectory(info))
                     continue;
                 QString subDir = it->currentFilePath();
 #ifdef Q_OS_WIN
-                if (fileInfo.isSymLink())
-                    subDir = fileInfo.canonicalFilePath();
+                if (info.isSymLink())
+                    subDir = info.canonicalFilePath();
 #endif
                 pushSubDirectory(subDir, it->nameFilters(), it->filters());
                 
@@ -288,48 +287,32 @@ bool QDirIteratorPrivate::shouldFollowDirectory(const QFileInfo &fileInfo)
     current entry will be returned as part of the directory iteration);
     otherwise, false is returned.
 */
-bool QDirIteratorPrivate::matchesFilters(const QAbstractFileEngineIterator *it) const
+bool QDirIteratorPrivate::matchesFilters(const QString &fileName, const QFileInfo &fi) const
 {
-    const bool filterPermissions = ((filters & QDir::PermissionMask)
-                                    && (filters & QDir::PermissionMask) != QDir::PermissionMask);
-    const bool skipDirs     = !(filters & (QDir::Dirs | QDir::AllDirs));
-    const bool skipFiles    = !(filters & QDir::Files);
-    const bool skipSymlinks = (filters & QDir::NoSymLinks);
-    const bool doReadable   = !filterPermissions || (filters & QDir::Readable);
-    const bool doWritable   = !filterPermissions || (filters & QDir::Writable);
-    const bool doExecutable = !filterPermissions || (filters & QDir::Executable);
-    const bool includeHidden = (filters & QDir::Hidden);
-    const bool includeSystem = (filters & QDir::System);
-
-#ifndef QT_NO_REGEXP
-    // Prepare name filters
-    QList<QRegExp> regexps;
-    bool hasNameFilters = !nameFilters.isEmpty() && !(nameFilters.contains(QLatin1String("*")));
-    if (hasNameFilters) {
-        for (int i = 0; i < nameFilters.size(); ++i) {
-            regexps << QRegExp(nameFilters.at(i),
-                               (filters & QDir::CaseSensitive) ? Qt::CaseSensitive : Qt::CaseInsensitive,
-                               QRegExp::Wildcard);
-        }
-    }
-#endif
-
-    QString fileName = it->currentFileName();
     if (fileName.isEmpty()) {
         // invalid entry
         return false;
     }
 
-    QFileInfo fi = it->currentFileInfo();
-    QString filePath = it->currentFilePath();
+    // filter . and ..?
+    const int fileNameSize = fileName.size();
+    const bool dotOrDotDot = fileName[0] == QLatin1Char('.')
+                             && ((fileNameSize == 1)
+                                 ||(fileNameSize == 2 && fileName[1] == QLatin1Char('.')));
+    if ((filters & QDir::NoDotAndDotDot) && dotOrDotDot)
+        return false;
 
-#ifndef QT_NO_REGEXP
+    // name filter
+#ifndef QT_NO_REGEXP 
+    const bool hasNameFilters = !nameFilters.isEmpty() && !(nameFilters.contains(QLatin1String("*")));
     // Pass all entries through name filters, except dirs if the AllDirs
-    // filter is passed.
     if (hasNameFilters && !((filters & QDir::AllDirs) && fi.isDir())) {
         bool matched = false;
-        for (int i = 0; i < regexps.size(); ++i) {
-            if (regexps.at(i).exactMatch(fileName)) {
+        for (int i = 0; i < nameFilters.size(); ++i) {
+            QRegExp regexp(nameFilters.at(i),
+                            (filters & QDir::CaseSensitive) ? Qt::CaseSensitive : Qt::CaseInsensitive,
+                            QRegExp::Wildcard);
+            if (regexp.exactMatch(fileName)) {
                 matched = true;
                 break;
             }
@@ -338,47 +321,53 @@ bool QDirIteratorPrivate::matchesFilters(const QAbstractFileEngineIterator *it)
             return false;
     }
 #endif
-    
-    bool dotOrDotDot = (fileName == QLatin1String(".") || fileName == QLatin1String(".."));
-    if ((filters & QDir::NoDotAndDotDot) && dotOrDotDot)
-        return false;
 
-    bool isHidden = !dotOrDotDot && fi.isHidden();
-    if (!includeHidden && isHidden)
+    // filter hidden
+    const bool includeHidden = (filters & QDir::Hidden);
+    if (!includeHidden && !dotOrDotDot && fi.isHidden())
         return false;
 
-    bool isSystem = (!fi.isFile() && !fi.isDir() && !fi.isSymLink())
-                    || (!fi.exists() && fi.isSymLink());
-    if (!includeSystem && isSystem)
+    // filter system files
+    const bool includeSystem = (filters & QDir::System);
+    if (!includeSystem && ((!fi.isFile() && !fi.isDir() && !fi.isSymLink())
+                    || (!fi.exists() && fi.isSymLink())))
         return false;
 
-    bool alwaysShow = (filters & QDir::TypeMask) == 0
-        && ((isHidden && includeHidden)
-            || (includeSystem && isSystem));
 
-    // Skip files and directories
-    if ((filters & QDir::AllDirs) == 0 && skipDirs && fi.isDir()) {
-        if (!alwaysShow)
+    if (!includeSystem && !dotOrDotDot && ((fi.exists() && !fi.isFile() && !fi.isDir() && !fi.isSymLink())
+                                           || (!fi.exists() && fi.isSymLink()))) {
+        return false;
+    }
+
+    // skip directories
+    const bool skipDirs = !(filters & (QDir::Dirs | QDir::AllDirs));
+    if (skipDirs && fi.isDir()) {
+        if (!(includeHidden && !dotOrDotDot && fi.isHidden())
+              || (includeSystem && !fi.exists() && fi.isSymLink()))
             return false;
     }
 
-    if ((skipFiles && (fi.isFile() || !fi.exists()))
-        || (skipSymlinks && fi.isSymLink())) {
-        if (!alwaysShow)
+    // skip files
+    const bool skipFiles    = !(filters & QDir::Files);
+    const bool skipSymlinks = (filters & QDir::NoSymLinks);
+    if ((skipFiles && (fi.isFile() || !fi.exists())) || (skipSymlinks && fi.isSymLink())) {
+        if (!((includeHidden && !dotOrDotDot && fi.isHidden())
+            || (includeSystem && !fi.exists() && fi.isSymLink())))
             return false;
     }
 
+    // filter permissions
+    const bool filterPermissions = ((filters & QDir::PermissionMask)
+                                    && (filters & QDir::PermissionMask) != QDir::PermissionMask);
+    const bool doWritable = !filterPermissions || (filters & QDir::Writable);
+    const bool doExecutable = !filterPermissions || (filters & QDir::Executable);
+    const bool doReadable = !filterPermissions || (filters & QDir::Readable);
     if (filterPermissions
         && ((doReadable && !fi.isReadable())
             || (doWritable && !fi.isWritable())
             || (doExecutable && !fi.isExecutable()))) {
         return false;
     }
-
-    if (!includeSystem && !dotOrDotDot && ((fi.exists() && !fi.isFile() && !fi.isDir() && !fi.isSymLink())
-                                           || (!fi.exists() && fi.isSymLink()))) {
-        return false;
-    }
     
     return true;
 }
diff --git a/src/corelib/io/qfileinfo.cpp b/src/corelib/io/qfileinfo.cpp
index 4f1b943..3442a1e 100644
--- a/src/corelib/io/qfileinfo.cpp
+++ b/src/corelib/io/qfileinfo.cpp
@@ -59,7 +59,6 @@ QFileInfoPrivate::QFileInfoPrivate(const QFileInfo *copy)
         data = copy->d_func()->data;
     } else {
         data = new QFileInfoPrivate::Data;
-        data->clear();
     }
 }
 
@@ -134,11 +133,11 @@ void QFileInfoPrivate::detach()
 
 QString QFileInfoPrivate::getFileName(QAbstractFileEngine::FileName name) const
 {
-    if(data->cache_enabled && data->fileNames.contains((int)name))
-        return data->fileNames.value(name);
+    if(data->cache_enabled && !data->fileNames[(int)name].isNull())
+        return data->fileNames[(int)name];
     QString ret = data->fileEngine->fileName(name);
     if(data->cache_enabled)
-        data->fileNames.insert((int)name, ret);
+        data->fileNames[(int)name] = ret;
     return ret;
 }
 
diff --git a/src/corelib/io/qfileinfo_p.h b/src/corelib/io/qfileinfo_p.h
index 8155bcb..e46365d 100644
--- a/src/corelib/io/qfileinfo_p.h
+++ b/src/corelib/io/qfileinfo_p.h
@@ -95,14 +95,15 @@ public:
                 (void)fileEngine->fileFlags(QFSFileEngine::Refresh);
         }
         inline void clear() {
-            fileNames.clear();
             clearFlags();
+            for (int i = QAbstractFileEngine::NFileNames - 1 ; i >= 0 ; --i)
+                fileNames[i].clear();
         }
         mutable QAtomicInt ref;
 
         QAbstractFileEngine *fileEngine;
         mutable QString fileName;
-        mutable QHash<int, QString> fileNames;
+        mutable QString fileNames[QAbstractFileEngine::NFileNames];
 
         mutable uint cachedFlags : 31;
         mutable uint cache_enabled : 1;
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 494eab2..e40796b 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -5197,6 +5197,9 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter *
         opacity = parentOpacity;
     }
 
+    // Item is invisible.
+    bool invisible = !item || ((item->d_ptr->flags & QGraphicsItem::ItemHasNoContents) || invisibleButChildIgnoresParentOpacity);
+
     // Calculate the full transform for this item.
     bool wasDirtyParentSceneTransform = false;
     bool dontDrawItem = true;
@@ -5216,16 +5219,18 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter *
             transform *= viewTransform;
         }
 
-        QRectF brect = item->boundingRect();
-        // ### This does not take the clip into account.
-        _q_adjustRect(&brect);
-        QRect viewBoundingRect = transform.mapRect(brect).toRect();
-        item->d_ptr->paintedViewBoundingRects.insert(widget, viewBoundingRect);
-        viewBoundingRect.adjust(-1, -1, 1, 1);
-        if (exposedRegion)
-            dontDrawItem = !exposedRegion->intersects(viewBoundingRect);
-        else
-            dontDrawItem = viewBoundingRect.isEmpty();
+        if (!invisible) {
+            QRectF brect = item->boundingRect();
+            // ### This does not take the clip into account.
+            _q_adjustRect(&brect);
+            QRect viewBoundingRect = transform.mapRect(brect).toRect();
+            item->d_ptr->paintedViewBoundingRects.insert(widget, viewBoundingRect);
+            viewBoundingRect.adjust(-1, -1, 1, 1);
+            if (exposedRegion)
+                dontDrawItem = !exposedRegion->intersects(viewBoundingRect);
+            else
+                dontDrawItem = viewBoundingRect.isEmpty();
+        }
     }
 
     // Find and sort children.
@@ -5282,7 +5287,7 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter *
     bool childClip = (item && (item->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape));
     bool dontDrawChildren = item && dontDrawItem && childClip;
     childClip &= !dontDrawChildren && !children->isEmpty();
-    if (item && ((item->d_ptr->flags & QGraphicsItem::ItemHasNoContents) || invisibleButChildIgnoresParentOpacity))
+    if (item && invisible)
         dontDrawItem = true;
 
     // Clip children.
@@ -5291,7 +5296,7 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter *
         painter->setWorldTransform(transform);
         painter->setClipPath(item->shape(), Qt::IntersectClip);
     }
-    
+
     if (!dontDrawChildren) {
         if (item && item->d_ptr->needSortChildren) {
             item->d_ptr->needSortChildren = 0;
@@ -5401,11 +5406,14 @@ void QGraphicsScenePrivate::markDirty(QGraphicsItem *item, const QRectF &rect, b
         return;
     }
 
-    item->d_ptr->dirty = 1;
-    if (fullItemUpdate)
-        item->d_ptr->fullUpdatePending = 1;
-    else if (!item->d_ptr->fullUpdatePending)
-        item->d_ptr->needsRepaint |= rect;
+    bool hasNoContents = item->d_ptr->flags & QGraphicsItem::ItemHasNoContents;
+    if (!hasNoContents) {
+        item->d_ptr->dirty = 1;
+        if (fullItemUpdate)
+            item->d_ptr->fullUpdatePending = 1;
+        else if (!item->d_ptr->fullUpdatePending)
+            item->d_ptr->needsRepaint |= rect;
+    }
 
     if (invalidateChildren) {
         item->d_ptr->allChildrenDirty = 1;
@@ -5971,7 +5979,7 @@ void QGraphicsScenePrivate::updateTouchPointsForItem(QGraphicsItem *item, QTouch
 {
     QList<QTouchEvent::TouchPoint> touchPoints = touchEvent->touchPoints();
     for (int i = 0; i < touchPoints.count(); ++i) {
-        QTouchEvent::TouchPoint &touchPoint = touchPoints[i];        
+        QTouchEvent::TouchPoint &touchPoint = touchPoints[i];
         touchPoint.setRect(item->mapFromScene(touchPoint.sceneRect()).boundingRect());
         touchPoint.setStartPos(item->d_ptr->genericMapFromScene(touchPoint.startScenePos(), touchEvent->widget()));
         touchPoint.setLastPos(item->d_ptr->genericMapFromScene(touchPoint.lastScenePos(), touchEvent->widget()));
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 5269841..509f5fd 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -1400,7 +1400,7 @@ void QApplication::setStyle(QStyle *style)
 #endif // QT_NO_STYLE_STYLESHEET
         QApplicationPrivate::app_style = style;
     QApplicationPrivate::app_style->setParent(qApp); // take ownership
-    
+
     // take care of possible palette requirements of certain gui
     // styles. Do it before polishing the application since the style
     // might call QApplication::setPalette() itself
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index 9d8625c..27ee6d8 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -134,7 +134,7 @@ extern "C" {
 #  include <errno.h>
 #endif
 
-#if defined(Q_OS_BSD4) || _POSIX_VERSION+0 < 200112L
+#if _POSIX_VERSION+0 < 200112L && !defined(Q_OS_BSD4)
 # define QT_NO_UNSETENV
 #endif
 
@@ -1767,7 +1767,7 @@ void qt_init(QApplicationPrivate *priv, int,
         X11->pattern_fills[i].screen = -1;
 #endif
 
-    X11->startupId = X11->originalStartupId = X11->startupIdString = 0;
+    X11->startupId = 0;
 
     int argc = priv->argc;
     char **argv = priv->argv;
@@ -2565,15 +2565,13 @@ void qt_init(QApplicationPrivate *priv, int,
 #endif // QT_NO_TABLET
 
         X11->startupId = getenv("DESKTOP_STARTUP_ID");
-        X11->originalStartupId = X11->startupId;
         if (X11->startupId) {
 #ifndef QT_NO_UNSETENV
             unsetenv("DESKTOP_STARTUP_ID");
 #else
             // it's a small memory leak, however we won't crash if Qt is
             // unloaded and someones tries to use the envoriment.
-            X11->startupIdString = strdup("DESKTOP_STARTUP_ID=");
-            putenv(X11->startupIdString);
+            putenv(strdup("DESKTOP_STARTUP_ID="));
 #endif
         }
    } else {
@@ -2707,15 +2705,6 @@ void qt_cleanup()
 #endif
     }
 
-#ifdef QT_NO_UNSETENV
-    // restore original value back.
-    if (X11->originalStartupId && X11->startupIdString) {
-        putenv(X11->originalStartupId);
-        free(X11->startupIdString);
-        X11->startupIdString = 0;
-    }
-#endif
-
 #ifndef QT_NO_XRENDER
     for (int i = 0; i < X11->solid_fill_count; ++i) {
         if (X11->solid_fills[i].picture)
diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h
index b480f34..3493a8b 100644
--- a/src/gui/kernel/qt_x11_p.h
+++ b/src/gui/kernel/qt_x11_p.h
@@ -506,8 +506,6 @@ struct QX11Data
     int fc_hint_style;
 
     char *startupId;
-    char *originalStartupId;
-    char *startupIdString;
 
     DesktopEnvironment desktopEnvironment;
 
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index f95372b..6e12540 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -1,4 +1,4 @@
-/****************************************************************************
+****************************************************************************
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
@@ -5638,7 +5638,7 @@ bool QWidget::hasFocus() const
     called from focusOutEvent() or focusInEvent(), you may get an
     infinite recursion.
 
-    \sa focus(), hasFocus(), clearFocus(), focusInEvent(), focusOutEvent(),
+    \sa hasFocus(), clearFocus(), focusInEvent(), focusOutEvent(),
     setFocusPolicy(), focusWidget(), QApplication::focusWidget(), grabKeyboard(),
     grabMouse(), {Keyboard Focus}
 */
diff --git a/src/gui/math3d/qgenericmatrix.cpp b/src/gui/math3d/qgenericmatrix.cpp
index 19a0f6e..82be256 100644
--- a/src/gui/math3d/qgenericmatrix.cpp
+++ b/src/gui/math3d/qgenericmatrix.cpp
@@ -61,7 +61,7 @@ QT_BEGIN_NAMESPACE
     But they can be different if the user wants to store elements
     internally in a fixed-point format for the underlying hardware.
 
-    \sa QMatrix4x4, QFixedPt
+    \sa QMatrix4x4
 */
 
 /*!
diff --git a/src/gui/painting/qmatrix.cpp b/src/gui/painting/qmatrix.cpp
index 030415d..7e26a99 100644
--- a/src/gui/painting/qmatrix.cpp
+++ b/src/gui/painting/qmatrix.cpp
@@ -1194,4 +1194,15 @@ QDebug operator<<(QDebug dbg, const QMatrix &m)
     Use the mapRect() function instead.
 */
 
+
+/*!
+    \fn bool qFuzzyCompare(const QMatrix& m1, const QMatrix& m2)
+
+    \relates QMatrix
+    \since 4.6
+
+    Returns true if \a m1 and \a m2 are equal, allowing for a small
+    fuzziness factor for floating-point comparisons; false otherwise.
+*/
+
 QT_END_NAMESPACE
diff --git a/src/gui/painting/qmatrix.h b/src/gui/painting/qmatrix.h
index 1df2395..4a4e91f 100644
--- a/src/gui/painting/qmatrix.h
+++ b/src/gui/painting/qmatrix.h
@@ -165,6 +165,17 @@ inline bool QMatrix::isIdentity() const
            && qFuzzyIsNull(_m21) && qFuzzyIsNull(_dx) && qFuzzyIsNull(_dy);
 }
 
+inline bool qFuzzyCompare(const QMatrix& m1, const QMatrix& m2)
+{
+    return qFuzzyCompare(m1.m11(), m2.m11())
+        && qFuzzyCompare(m1.m12(), m2.m12())
+        && qFuzzyCompare(m1.m21(), m2.m21())
+        && qFuzzyCompare(m1.m22(), m2.m22())
+        && qFuzzyCompare(m1.dx(), m2.dx())
+        && qFuzzyCompare(m1.dy(), m2.dy());
+}
+
+
 /*****************************************************************************
  QMatrix stream functions
  *****************************************************************************/
diff --git a/src/gui/painting/qregion.cpp b/src/gui/painting/qregion.cpp
index c4cd77a..03e01c9 100644
--- a/src/gui/painting/qregion.cpp
+++ b/src/gui/painting/qregion.cpp
@@ -698,6 +698,8 @@ bool QRegion::intersects(const QRegion &region) const
 
     if (!rect_intersects(boundingRect(), region.boundingRect()))
         return false;
+    if (numRects() == 1 && region.numRects() == 1)
+        return true;
 
     const QVector<QRect> myRects = rects();
     const QVector<QRect> otherRects = region.rects();
@@ -723,6 +725,8 @@ bool QRegion::intersects(const QRect &rect) const
     const QRect r = rect.normalized();
     if (!rect_intersects(boundingRect(), r))
         return false;
+    if (numRects() == 1)
+        return true;
 
     const QVector<QRect> myRects = rects();
     for (QVector<QRect>::const_iterator it = myRects.constBegin(); it < myRects.constEnd(); ++it)
diff --git a/src/gui/painting/qtransform.cpp b/src/gui/painting/qtransform.cpp
index 4bc20f6..385fde1 100644
--- a/src/gui/painting/qtransform.cpp
+++ b/src/gui/painting/qtransform.cpp
@@ -708,11 +708,15 @@ QTransform & QTransform::rotateRadians(qreal a, Qt::Axis axis)
 */
 bool QTransform::operator==(const QTransform &o) const
 {
-#define qFZ qFuzzyCompare
-    return qFZ(affine._m11, o.affine._m11) &&  qFZ(affine._m12, o.affine._m12) &&  qFZ(m_13, o.m_13)
-        && qFZ(affine._m21, o.affine._m21) &&  qFZ(affine._m22, o.affine._m22) &&  qFZ(m_23, o.m_23)
-        && qFZ(affine._dx, o.affine._dx) &&  qFZ(affine._dy, o.affine._dy) &&  qFZ(m_33, o.m_33);
-#undef qFZ
+    return affine._m11 == o.affine._m11 &&
+           affine._m12 == o.affine._m12 &&
+           affine._m21 == o.affine._m21 &&
+           affine._m22 == o.affine._m22 &&
+           affine._dx == o.affine._dx &&
+           affine._dy == o.affine._dy &&
+           m_13 == o.m_13 &&
+           m_23 == o.m_23 &&
+           m_33 == o.m_33;
 }
 
 /*!
@@ -2178,6 +2182,17 @@ QTransform::operator QVariant() const
     \sa reset()
 */
 
+/*!
+    \fn bool qFuzzyCompare(const QTransform& t1, const QTransform& t2)
+
+    \relates QTransform
+    \since 4.6
+
+    Returns true if \a t1 and \a t2 are equal, allowing for a small
+    fuzziness factor for floating-point comparisons; false otherwise.
+*/
+
+
 // returns true if the transform is uniformly scaling
 // (same scale in x and y direction)
 // scale is set to the max of x and y scaling factors
diff --git a/src/gui/painting/qtransform.h b/src/gui/painting/qtransform.h
index a5002ca..57ec826 100644
--- a/src/gui/painting/qtransform.h
+++ b/src/gui/painting/qtransform.h
@@ -331,6 +331,20 @@ inline QTransform &QTransform::operator-=(qreal num)
     return *this;
 }
 
+inline bool qFuzzyCompare(const QTransform& t1, const QTransform& t2)
+{
+    return qFuzzyCompare(t1.m11(), t2.m11())
+        && qFuzzyCompare(t1.m12(), t2.m12())
+        && qFuzzyCompare(t1.m13(), t2.m13())
+        && qFuzzyCompare(t1.m21(), t2.m21())
+        && qFuzzyCompare(t1.m22(), t2.m22())
+        && qFuzzyCompare(t1.m23(), t2.m23())
+        && qFuzzyCompare(t1.m31(), t2.m31())
+        && qFuzzyCompare(t1.m32(), t2.m32())
+        && qFuzzyCompare(t1.m33(), t2.m33());
+}
+
+
 /****** stream functions *******************/
 #ifndef QT_NO_DATASTREAM
 Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QTransform &);
diff --git a/src/gui/styles/qproxystyle.cpp b/src/gui/styles/qproxystyle.cpp
index f36ad64..37f25be 100644
--- a/src/gui/styles/qproxystyle.cpp
+++ b/src/gui/styles/qproxystyle.cpp
@@ -53,27 +53,28 @@ QT_BEGIN_NAMESPACE
 /*!
     \class QProxyStyle
 
-    \brief The QProxyStyle is a convenience class that simplifies
-    the creation of proxy styles in Qt.
+    \brief The QProxyStyle class is a convenience class that simplifies
+    the overriding of QStyle elements.
 
     \since 4.6
 
-    A proxy style is a style that wraps a different,
-    usually the default system style, to override the painting or
-    behavior of only specific parts.
+    A QProxyStyle wraps a QStyle (usually the default system style) for the
+    purpose of overriding the painting or other specific behavior of the
+    wrapped style.
 
-    Here's an example allowing you to override the shortcut underline
+    Below is an example that overrides the shortcut underline
     behavior on all platforms:
 
-    \snippet doc/src/snippets/code/src_gui_proxystyle.cpp 0
+    \snippet doc/src/snippets/code/src_gui_qproxystyle.cpp 1
 
-    Warning: Note that even though Qt's internal styles should respect this.
-    hint, there is no guarantee that it will work for all styles.
-    The example above would for instance not work on Mac since menus are
-    handled by the operating system.
+    Warning: Although Qt's internal styles should respect this hint,
+    there is no guarantee that it will work for all styles. It would
+    not work on a Mac, for example, because menus are handled by the
+    operating system on the Mac.
 
     \sa QStyle
 */
+
 void QProxyStylePrivate::ensureBaseStyle() const
 {
     Q_Q(const QProxyStyle);
@@ -92,7 +93,7 @@ void QProxyStylePrivate::ensureBaseStyle() const
                 baseStyle = 0;
             }
         }
-    } 
+    }
 
     if (!baseStyle) // Use application desktop style
         baseStyle = QStyleFactory::create(QApplicationPrivate::desktopStyleKey());
@@ -105,12 +106,12 @@ void QProxyStylePrivate::ensureBaseStyle() const
 }
 
 /*!
-    Constructs a QProxyStyle object.
-
-    If no base style is provided, the current application style
-    will be used as the base style.
+  Constructs a QProxyStyle object for overriding behavior in \a style
+  or in the current application \l{QStyle}{style} if \a style is 0
+  (default). Normally \a style is 0, because you want to override
+  behavior in the system style.
 
-    Ownership of \style is transferred to QProxyStyle.
+  Ownership of \a style is transferred to QProxyStyle.
 */
 QProxyStyle::QProxyStyle(QStyle *style) :
     QCommonStyle(*new QProxyStylePrivate())
@@ -147,7 +148,7 @@ QStyle *QProxyStyle::baseStyle() const
 /*!
     Sets the base style that should be proxied.
 
-    Ownership of \style is transferred to QProxyStyle.
+    Ownership of \a style is transferred to QProxyStyle.
 
     If style is zero, a desktop-dependant style will be
     assigned automatically.
@@ -167,7 +168,8 @@ void QProxyStyle::setBaseStyle(QStyle *style)
     }
 }
 
-/*! reimp */
+/*! \reimp
+ */
 void QProxyStyle::drawPrimitive(PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
@@ -175,7 +177,9 @@ void QProxyStyle::drawPrimitive(PrimitiveElement element, const QStyleOption *op
     d->baseStyle->drawPrimitive(element, option, painter, widget);
 }
 
-/*! reimp */
+/*!
+  \reimp
+ */
 void QProxyStyle::drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
@@ -183,7 +187,8 @@ void QProxyStyle::drawControl(ControlElement element, const QStyleOption *option
     d->baseStyle->drawControl(element, option, painter, widget);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 void QProxyStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
@@ -191,7 +196,8 @@ void QProxyStyle::drawComplexControl(ComplexControl control, const QStyleOptionC
     d->baseStyle->drawComplexControl(control, option, painter, widget);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 void QProxyStyle::drawItemText(QPainter *painter, const QRect &rect, int flags, const QPalette &pal, bool enabled,
                                const QString &text, QPalette::ColorRole textRole) const
 {
@@ -200,7 +206,8 @@ void QProxyStyle::drawItemText(QPainter *painter, const QRect &rect, int flags,
     d->baseStyle->drawItemText(painter, rect, flags, pal, enabled, text, textRole);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 void QProxyStyle::drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const
 {
     Q_D (const QProxyStyle);
@@ -208,7 +215,8 @@ void QProxyStyle::drawItemPixmap(QPainter *painter, const QRect &rect, int align
     d->baseStyle->drawItemPixmap(painter, rect, alignment, pixmap);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 QSize QProxyStyle::sizeFromContents(ContentsType type, const QStyleOption *option, const QSize &size, const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
@@ -216,7 +224,8 @@ QSize QProxyStyle::sizeFromContents(ContentsType type, const QStyleOption *optio
     return d->baseStyle->sizeFromContents(type, option, size, widget);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 QRect QProxyStyle::subElementRect(SubElement element, const QStyleOption *option, const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
@@ -224,7 +233,8 @@ QRect QProxyStyle::subElementRect(SubElement element, const QStyleOption *option
     return d->baseStyle->subElementRect(element, option, widget);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 QRect QProxyStyle::subControlRect(ComplexControl cc, const QStyleOptionComplex *option, SubControl sc, const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
@@ -232,7 +242,8 @@ QRect QProxyStyle::subControlRect(ComplexControl cc, const QStyleOptionComplex *
     return d->baseStyle->subControlRect(cc, option, sc, widget);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 QRect QProxyStyle::itemTextRect(const QFontMetrics &fm, const QRect &r, int flags, bool enabled, const QString &text) const
 {
     Q_D (const QProxyStyle);
@@ -240,7 +251,8 @@ QRect QProxyStyle::itemTextRect(const QFontMetrics &fm, const QRect &r, int flag
     return d->baseStyle->itemTextRect(fm, r, flags, enabled, text);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 QRect QProxyStyle::itemPixmapRect(const QRect &r, int flags, const QPixmap &pixmap) const
 {
     Q_D (const QProxyStyle);
@@ -248,7 +260,8 @@ QRect QProxyStyle::itemPixmapRect(const QRect &r, int flags, const QPixmap &pixm
     return d->baseStyle->itemPixmapRect(r, flags, pixmap);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 QStyle::SubControl QProxyStyle::hitTestComplexControl(ComplexControl control, const QStyleOptionComplex *option, const QPoint &pos, const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
@@ -256,7 +269,8 @@ QStyle::SubControl QProxyStyle::hitTestComplexControl(ComplexControl control, co
     return d->baseStyle->hitTestComplexControl(control, option, pos, widget);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 int QProxyStyle::styleHint(StyleHint hint, const QStyleOption *option, const QWidget *widget, QStyleHintReturn *returnData) const
 {
     Q_D (const QProxyStyle);
@@ -264,7 +278,8 @@ int QProxyStyle::styleHint(StyleHint hint, const QStyleOption *option, const QWi
     return d->baseStyle->styleHint(hint, option, widget, returnData);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 int QProxyStyle::pixelMetric(PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
@@ -272,7 +287,8 @@ int QProxyStyle::pixelMetric(PixelMetric metric, const QStyleOption *option, con
     return d->baseStyle->pixelMetric(metric, option, widget);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 QPixmap QProxyStyle::standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt, const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
@@ -280,7 +296,8 @@ QPixmap QProxyStyle::standardPixmap(StandardPixmap standardPixmap, const QStyleO
     return d->baseStyle->standardPixmap(standardPixmap, opt, widget);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 QPixmap QProxyStyle::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, const QStyleOption *opt) const
 {
     Q_D (const QProxyStyle);
@@ -288,7 +305,8 @@ QPixmap QProxyStyle::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pi
     return d->baseStyle->generatedIconPixmap(iconMode, pixmap, opt);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 QPalette QProxyStyle::standardPalette() const
 {
     Q_D (const QProxyStyle);
@@ -296,7 +314,8 @@ QPalette QProxyStyle::standardPalette() const
     return d->baseStyle->standardPalette();
 }
 
-/*! reimp */
+/*! \reimp
+ */
 void QProxyStyle::polish(QWidget *widget)
 {
     Q_D (QProxyStyle);
@@ -304,7 +323,8 @@ void QProxyStyle::polish(QWidget *widget)
     d->baseStyle->polish(widget);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 void QProxyStyle::polish(QPalette &pal)
 {
     Q_D (QProxyStyle);
@@ -312,7 +332,8 @@ void QProxyStyle::polish(QPalette &pal)
     d->baseStyle->polish(pal);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 void QProxyStyle::polish(QApplication *app)
 {
     Q_D (QProxyStyle);
@@ -320,7 +341,8 @@ void QProxyStyle::polish(QApplication *app)
     d->baseStyle->polish(app);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 void QProxyStyle::unpolish(QWidget *widget)
 {
     Q_D (QProxyStyle);
@@ -328,7 +350,8 @@ void QProxyStyle::unpolish(QWidget *widget)
     d->baseStyle->unpolish(widget);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 void QProxyStyle::unpolish(QApplication *app)
 {
     Q_D (QProxyStyle);
@@ -336,7 +359,8 @@ void QProxyStyle::unpolish(QApplication *app)
     d->baseStyle->unpolish(app);
 }
 
-/*! reimp */
+/*! \reimp
+ */
 bool QProxyStyle::event(QEvent *e)
 {
     Q_D (QProxyStyle);
@@ -344,17 +368,47 @@ bool QProxyStyle::event(QEvent *e)
     return d->baseStyle->event(e);
 }
 
-/*! reimp */
-QIcon QProxyStyle::standardIconImplementation(StandardPixmap standardIcon, const QStyleOption *option, const QWidget *widget) const
+/*!
+  Returns an icon for the given \a standardIcon.
+
+  Reimplement this slot to provide your own icons in a QStyle
+  subclass. The \a option argument can be used to pass extra
+  information required to find the appropriate icon. The \a widget
+  argument is optional and can also be used to help find the icon.
+
+  \note Because of binary compatibility constraints, standardIcon()
+  introduced in Qt 4.1 is not virtual. Therefore it must dynamically
+  detect and call \e this slot.  This default implementation simply
+  calls standardIcon() with the given parameters.
+
+  \sa standardIcon()
+ */
+QIcon QProxyStyle::standardIconImplementation(StandardPixmap standardIcon,
+                                              const QStyleOption *option,
+                                              const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
     d->ensureBaseStyle();
     return d->baseStyle->standardIcon(standardIcon, option, widget);
 }
 
-/*! reimp */
-int QProxyStyle::layoutSpacingImplementation(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,
-                                    Qt::Orientation orientation, const QStyleOption *option, const QWidget *widget) const
+/*!
+  This slot is called by layoutSpacing() to determine the spacing that
+  should be used between \a control1 and \a control2 in a layout. \a
+  orientation specifies whether the controls are laid out side by side
+  or stacked vertically. The \a option parameter can be used to pass
+  extra information about the parent widget.  The \a widget parameter
+  is optional and can also be used if \a option is 0.
+
+  The default implementation returns -1.
+
+  \sa layoutSpacing(), combinedLayoutSpacing()
+ */
+int QProxyStyle::layoutSpacingImplementation(QSizePolicy::ControlType control1,
+                                             QSizePolicy::ControlType control2,
+                                             Qt::Orientation orientation,
+                                             const QStyleOption *option,
+                                             const QWidget *widget) const
 {
     Q_D (const QProxyStyle);
     d->ensureBaseStyle();
diff --git a/src/gui/styles/qstyle.cpp b/src/gui/styles/qstyle.cpp
index c0fdc83..c848022 100644
--- a/src/gui/styles/qstyle.cpp
+++ b/src/gui/styles/qstyle.cpp
@@ -168,12 +168,21 @@ static int unpackControlTypes(QSizePolicy::ControlTypes controls, QSizePolicy::C
 
     \section1 Creating a Custom Style
 
-    If you want to design a custom look and feel for your application,
-    the first step is to pick one of the styles provided with Qt to
-    build your custom style from. The choice will depend on which
-    existing style resembles your style the most. The most general
-    class that you can use as base is QCommonStyle (and not QStyle).
-    This is because Qt requires its styles to be \l{QCommonStyle}s.
+    You can create a custom look and feel for your application by
+    creating a custom style. There are two approaches to creating a
+    custom style. In the static approach, you either choose an
+    existing QStyle class, subclass it, and reimplement virtual
+    functions to provide the custom behavior, or you create an entire
+    QStyle class from scratch. In the dynamic approach, you modify the
+    behavior of your system style at runtime. The static approach is
+    described below. The dynamic approach is described in QProxyStyle.
+
+    The first step in the static approach is to pick one of the styles
+    provided by Qt from which you will build your custom style. Your
+    choice of QStyle class will depend on which style resembles your
+    desired style the most. The most general class that you can use as
+    a base is QCommonStyle (not QStyle). This is because Qt requires
+    its styles to be \l{QCommonStyle}s.
 
     Depending on which parts of the base style you want to change,
     you must reimplement the functions that are used to draw those
@@ -222,7 +231,7 @@ static int unpackControlTypes(QSizePolicy::ControlTypes controls, QSizePolicy::C
     \section1 Using a Custom Style
 
     There are several ways of using a custom style in a Qt
-    application. The simplest way is call the
+    application. The simplest way is to pass the custom style to the
     QApplication::setStyle() static function before creating the
     QApplication object:
 
@@ -232,8 +241,8 @@ static int unpackControlTypes(QSizePolicy::ControlTypes controls, QSizePolicy::C
     it before the constructor, you ensure that the user's preference,
     set using the \c -style command-line option, is respected.
 
-    You may want to make your style available for use in other
-    applications, some of which may not be yours and are not available for
+    You may want to make your custom style available for use in other
+    applications, which may not be yours and hence not available for
     you to recompile. The Qt Plugin system makes it possible to create
     styles as plugins. Styles created as plugins are loaded as shared
     objects at runtime by Qt itself. Please refer to the \link
@@ -1182,6 +1191,7 @@ void QStyle::drawItemPixmap(QPainter *painter, const QRect &rect, int alignment,
 
     \value SC_All  Special value that matches all sub-controls.
     \omitvalue SC_Q3ListViewBranch
+    \omitvalue SC_CustomBase
 
     \sa ComplexControl
 */
@@ -2450,14 +2460,12 @@ QDebug operator<<(QDebug debug, QStyle::State state)
 /*!
     \since 4.6
 
-    \fn const QStyle * proxy() const
+    \fn const QStyle *QStyle::proxy() const
 
     This function returns the current proxy for this style.
     By default most styles will return themselves. However
     when a proxy style is in use, it will allow the style to
     call back into its proxy.
-
-    \sa setProxyStyle
 */
 const QStyle * QStyle::proxy() const
 {
diff --git a/src/gui/widgets/qmenu_mac.mm b/src/gui/widgets/qmenu_mac.mm
index 67656b4..9b496ef 100644
--- a/src/gui/widgets/qmenu_mac.mm
+++ b/src/gui/widgets/qmenu_mac.mm
@@ -972,7 +972,7 @@ void Q_GUI_EXPORT qt_mac_set_menubar_merge(bool b) { qt_mac_no_menubar_merge = !
 /*****************************************************************************
   QMenu bindings
  *****************************************************************************/
-QMenuPrivate::QMacMenuPrivate::QMacMenuPrivate() : menu(0)
+QMenuPrivate::QMacMenuPrivate::QMacMenuPrivate(QMenuPrivate *menu) : menu(0), qmenu(menu)
 {
 }
 
@@ -1300,22 +1300,61 @@ QMenuPrivate::QMacMenuPrivate::syncAction(QMacMenuAction *action)
 #else
     int itemIndex = [menu indexOfItem:item];
     Q_ASSERT(itemIndex != -1);
-    if (action->action->isSeparator()) {
+
+    // Separator handling: Menu items and separators can be added to a QMenu in
+    // any order (for example, add all the separators first and then "fill inn" 
+    // the menu items). Create NSMenuItem seperatorItems for the Qt separators, 
+    // and make sure that there are no double separators and no seprators 
+    // at the top or bottom of the menu.
+    bool itemIsSeparator = action->action->isSeparator();
+    bool previousItemIsSeparator = false;
+    if (itemIndex > 0) {
+        if ([[menu itemAtIndex : itemIndex - 1] isSeparatorItem])
+            previousItemIsSeparator = true;
+    }
+    bool nexItemIsSeparator = false;
+    if (itemIndex > 0 && itemIndex < [menu numberOfItems] -1) {
+        if ([[menu itemAtIndex : itemIndex + 1] isSeparatorItem])
+            nexItemIsSeparator = true;
+    }
+    bool itemIsAtBottomOfMenu = (itemIndex == [menu numberOfItems]  - 1);
+    bool itemIsAtTopOfMenu = (itemIndex == 0);
+        
+
+    if (itemIsSeparator) {
+        // Create separators items for actions that are now separators
         action->menuItem = [NSMenuItem separatorItem];
         [action->menuItem retain];
+
+        // Hide duplicate/top/bottom separators.
+        if (qmenu->collapsibleSeparators && (previousItemIsSeparator || itemIsAtBottomOfMenu || itemIsAtTopOfMenu)) {
+            [action->menuItem setHidden : true];
+        }
+
         [menu insertItem: action->menuItem atIndex:itemIndex];
         [menu removeItem:item];
         [item release];
         item = action->menuItem;
         return;
-    } else if ([item isSeparatorItem]) {
-        // I'm no longer a separator...
-        action->menuItem = createNSMenuItem(action->action->text());
-        [menu insertItem:action->menuItem atIndex:itemIndex];
-        [menu removeItem:item];
-        [item release];
-        item = action->menuItem;
+    } else {
+        // Create standard menu items for actions that are no longer separators
+        if ([item isSeparatorItem]) {
+            action->menuItem = createNSMenuItem(action->action->text());
+            [menu insertItem:action->menuItem atIndex:itemIndex];
+            [menu removeItem:item];
+            [item release];
+            item = action->menuItem;
+        }
+
+        // Show separators that should now be visible since a non-separator
+        // item (the current item) was added.
+        if (previousItemIsSeparator) {
+            [[menu itemAtIndex : itemIndex - 1] setHidden : false];
+        } else if (itemIsAtTopOfMenu && nexItemIsSeparator) {
+            [[menu itemAtIndex : itemIndex + 1] setHidden : false];
+        }
     }
+
 #endif
 
     //find text (and accel)
@@ -1499,7 +1538,7 @@ QMenuPrivate::macMenu(OSMenuRef merge)
     if (mac_menu && mac_menu->menu)
         return mac_menu->menu;
     if (!mac_menu)
-        mac_menu = new QMacMenuPrivate;
+        mac_menu = new QMacMenuPrivate(this);
     mac_menu->menu = qt_mac_create_menu(q);
     if (merge) {
 #ifndef QT_MAC_USE_COCOA
diff --git a/src/gui/widgets/qmenu_p.h b/src/gui/widgets/qmenu_p.h
index 1dfe701..20c63fe 100644
--- a/src/gui/widgets/qmenu_p.h
+++ b/src/gui/widgets/qmenu_p.h
@@ -263,8 +263,9 @@ public:
     struct QMacMenuPrivate {
         QList<QMacMenuAction*> actionItems;
         OSMenuRef menu;
-        QMacMenuPrivate();
-        ~QMacMenuPrivate();
+        QMenuPrivate *qmenu;
+        QMacMenuPrivate(QMenuPrivate *menu);
+        ~QMacMenuPrivate();    
 
         bool merged(const QAction *action) const;
         void addAction(QAction *, QMacMenuAction* =0, QMenuPrivate *qmenu = 0);
diff --git a/src/gui/widgets/qplaintextedit.cpp b/src/gui/widgets/qplaintextedit.cpp
index ca7dffd..827acac 100644
--- a/src/gui/widgets/qplaintextedit.cpp
+++ b/src/gui/widgets/qplaintextedit.cpp
@@ -2020,6 +2020,7 @@ void QPlainTextEdit::inputMethodEvent(QInputMethodEvent *e)
     }
 #endif
     d->sendControlEvent(e);
+    ensureCursorVisible();
 }
 
 /*!\reimp
diff --git a/src/gui/widgets/qtextedit.cpp b/src/gui/widgets/qtextedit.cpp
index 1c4df93..61cd0ce 100644
--- a/src/gui/widgets/qtextedit.cpp
+++ b/src/gui/widgets/qtextedit.cpp
@@ -1659,6 +1659,7 @@ void QTextEdit::inputMethodEvent(QInputMethodEvent *e)
     }
 #endif
     d->sendControlEvent(e);
+    ensureCursorVisible();
 }
 
 /*!\reimp
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 19cb02a..9663dd6 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -982,6 +982,14 @@ void QGL2PaintEngineEx::compositionModeChanged()
 
 void QGL2PaintEngineEx::renderHintsChanged()
 {
+#if !defined(QT_OPENGL_ES_2)
+    if ((state()->renderHints & QPainter::Antialiasing)
+        || (state()->renderHints & QPainter::HighQualityAntialiasing))
+        glEnable(GL_MULTISAMPLE);
+    else
+        glDisable(GL_MULTISAMPLE);
+#endif
+
 //    qDebug("QGL2PaintEngineEx::renderHintsChanged() not implemented!");
 }
 
@@ -1180,6 +1188,10 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
     glDepthFunc(GL_LEQUAL);
     glDepthMask(false);
 
+#if !defined(QT_OPENGL_ES_2)
+    glDisable(GL_MULTISAMPLE);
+#endif
+
     QGLPixmapData *source = d->drawable.copyOnBegin();
     if (d->drawable.context()->d_func()->clear_on_painter_begin && d->drawable.autoFillBackground()) {
         if (d->drawable.hasTransparentBackground())
@@ -1485,6 +1497,8 @@ void QGL2PaintEngineEx::setState(QPainterState *new_state)
         return;
     }
 
+    renderHintsChanged();
+
     d->matrixDirty = true;
     d->compositionModeDirty = true;
     d->brushTextureDirty = true;
diff --git a/src/opengl/qgl_x11.cpp b/src/opengl/qgl_x11.cpp
index da61634..f241e61 100644
--- a/src/opengl/qgl_x11.cpp
+++ b/src/opengl/qgl_x11.cpp
@@ -522,7 +522,11 @@ void *QGLContext::tryVisual(const QGLFormat& f, int bufDepth)
     const QX11Info *xinfo = qt_x11Info(d->paintDevice);
     bool useFBConfig = false;
 
-#if defined(GLX_VERSION_1_3) && !defined(QT_NO_XRENDER)
+#if defined(GLX_VERSION_1_3) && !defined(QT_NO_XRENDER) && !defined(Q_OS_HPUX)
+    /*
+      HPUX defines GLX_VERSION_1_3 but does not implement the corresponding functions.
+      Specifically glXChooseFBConfig and glXGetVisualFromFBConfig are not implemented.
+     */
     QWidget* widget = 0;
     if (d->paintDevice->devType() == QInternal::Widget)
         widget = static_cast<QWidget*>(d->paintDevice);
@@ -565,7 +569,7 @@ void *QGLContext::tryVisual(const QGLFormat& f, int bufDepth)
     }
 #endif
 
-#if defined(GLX_VERSION_1_3)
+#if defined(GLX_VERSION_1_3)  && !defined(Q_OS_HPUX)
     // GLX_RENDER_TYPE is only in glx >=1.3
     if (useFBConfig) {
         spec[i++] = GLX_RENDER_TYPE;
@@ -627,7 +631,7 @@ void *QGLContext::tryVisual(const QGLFormat& f, int bufDepth)
         spec[i++] = f.samples() == -1 ? 4 : f.samples();
     }
 
-#if defined(GLX_VERSION_1_3)
+#if defined(GLX_VERSION_1_3) && !defined(Q_OS_HPUX)
     if (useFBConfig) {
         spec[i++] = GLX_DRAWABLE_TYPE;
         switch(d->paintDevice->devType()) {
@@ -652,7 +656,7 @@ void *QGLContext::tryVisual(const QGLFormat& f, int bufDepth)
 
     XVisualInfo* chosenVisualInfo = 0;
 
-#if defined(GLX_VERSION_1_3)
+#if defined(GLX_VERSION_1_3) && !defined(Q_OS_HPUX)
     while (useFBConfig) {
         GLXFBConfig *configs;
         int configCount = 0;
diff --git a/src/opengl/qgraphicssystem_gl.cpp b/src/opengl/qgraphicssystem_gl.cpp
index ce8ad7a..a75f3a5 100644
--- a/src/opengl/qgraphicssystem_gl.cpp
+++ b/src/opengl/qgraphicssystem_gl.cpp
@@ -44,6 +44,7 @@
 #include "private/qpixmap_raster_p.h"
 #include "private/qpixmapdata_gl_p.h"
 #include "private/qwindowsurface_gl_p.h"
+#include "private/qgl_p.h"
 #include <private/qwindowsurface_raster_p.h>
 
 QT_BEGIN_NAMESPACE
diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp
index 48feb82..e641d2c 100644
--- a/src/opengl/qpixmapdata_gl.cpp
+++ b/src/opengl/qpixmapdata_gl.cpp
@@ -398,7 +398,8 @@ static TextureBuffer createTextureBuffer(const QSize &size, QGL2PaintEngineEx *e
 bool QGLPixmapData::useFramebufferObjects()
 {
     return QGLFramebufferObject::hasOpenGLFramebufferObjects()
-           && QGLFramebufferObject::hasOpenGLFramebufferBlit();
+           && QGLFramebufferObject::hasOpenGLFramebufferBlit()
+           && qt_gl_preferGL2Engine();
 }
 
 QPaintEngine* QGLPixmapData::paintEngine() const
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index 01974a2..cdfaa3c 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -72,6 +72,10 @@
 
 #include <private/qpaintengineex_opengl2_p.h>
 
+#ifndef QT_OPENGL_ES_2
+#include <private/qpaintengine_opengl_p.h>
+#endif
+
 #ifndef GLX_ARB_multisample
 #define GLX_SAMPLE_BUFFERS_ARB  100000
 #define GLX_SAMPLES_ARB         100001
@@ -315,9 +319,17 @@ void QGLWindowSurface::hijackWindow(QWidget *widget)
 
 Q_GLOBAL_STATIC(QGL2PaintEngineEx, qt_gl_window_surface_2_engine)
 
+#if !defined (QT_OPENGL_ES_2)
+Q_GLOBAL_STATIC(QOpenGLPaintEngine, qt_gl_window_surface_engine)
+#endif
+
 /*! \reimp */
 QPaintEngine *QGLWindowSurface::paintEngine() const
 {
+#if !defined(QT_OPENGL_ES_2)
+    if (!qt_gl_preferGL2Engine())
+        return qt_gl_window_surface_engine();
+#endif
     return qt_gl_window_surface_2_engine();
 }
 
diff --git a/src/scripttools/debugging/qscriptdebugger.cpp b/src/scripttools/debugging/qscriptdebugger.cpp
index 454d051..181f4ae 100644
--- a/src/scripttools/debugging/qscriptdebugger.cpp
+++ b/src/scripttools/debugging/qscriptdebugger.cpp
@@ -94,6 +94,8 @@
 #include <QtGui/qevent.h>
 #include <QtGui/qicon.h>
 #include <QtGui/qinputdialog.h>
+#include <QtGui/qmenu.h>
+#include <QtGui/qtoolbar.h>
 #include <QtGui/qtooltip.h>
 
 QT_BEGIN_NAMESPACE
@@ -1905,6 +1907,45 @@ QAction *QScriptDebugger::goToLineAction(QObject *parent) const
     return d->goToLineAction;
 }
 
+QMenu *QScriptDebugger::createStandardMenu(QWidget *widgetParent, QObject *actionParent)
+{
+    QMenu *menu = new QMenu(widgetParent);
+    menu->setTitle(QObject::tr("Debug"));
+    menu->addAction(action(ContinueAction, actionParent));
+    menu->addAction(action(InterruptAction, actionParent));
+    menu->addAction(action(StepIntoAction, actionParent));
+    menu->addAction(action(StepOverAction, actionParent));
+    menu->addAction(action(StepOutAction, actionParent));
+    menu->addAction(action(RunToCursorAction, actionParent));
+    menu->addAction(action(RunToNewScriptAction, actionParent));
+
+    menu->addSeparator();
+    menu->addAction(action(ToggleBreakpointAction, actionParent));
+
+    menu->addSeparator();
+    menu->addAction(action(ClearDebugOutputAction, actionParent));
+    menu->addAction(action(ClearErrorLogAction, actionParent));
+    menu->addAction(action(ClearConsoleAction, actionParent));
+
+    return menu;
+}
+
+QToolBar *QScriptDebugger::createStandardToolBar(QWidget *widgetParent, QObject *actionParent)
+{
+    QToolBar *tb = new QToolBar(widgetParent);
+    tb->setObjectName(QLatin1String("qtscriptdebugger_standardToolBar"));
+    tb->addAction(action(ContinueAction, actionParent));
+    tb->addAction(action(InterruptAction, actionParent));
+    tb->addAction(action(StepIntoAction, actionParent));
+    tb->addAction(action(StepOverAction, actionParent));
+    tb->addAction(action(StepOutAction, actionParent));
+    tb->addAction(action(RunToCursorAction, actionParent));
+    tb->addAction(action(RunToNewScriptAction, actionParent));
+    tb->addSeparator();
+    tb->addAction(action(FindInScriptAction, actionParent));
+    return tb;
+}
+
 /*!
   \reimp
 */
diff --git a/src/scripttools/debugging/qscriptdebugger_p.h b/src/scripttools/debugging/qscriptdebugger_p.h
index 6d8fcab..e8fcf21 100644
--- a/src/scripttools/debugging/qscriptdebugger_p.h
+++ b/src/scripttools/debugging/qscriptdebugger_p.h
@@ -70,6 +70,8 @@ class QScriptErrorLogWidgetInterface;
 class QScriptDebuggerWidgetFactoryInterface;
 class QAction;
 class QEvent;
+class QMenu;
+class QToolBar;
 
 class QScriptDebuggerPrivate;
 class Q_AUTOTEST_EXPORT QScriptDebugger : public QObject
@@ -165,6 +167,9 @@ public:
     QAction *clearConsoleAction(QObject *parent) const;
     QAction *clearErrorLogAction(QObject *parent) const;
 
+    QMenu *createStandardMenu(QWidget *widgetParent, QObject *actionParent);
+    QToolBar *createStandardToolBar(QWidget *widgetParent, QObject *actionParent);
+
     bool eventFilter(QObject *, QEvent *e);
 
 Q_SIGNALS:
diff --git a/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp b/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp
index e096ba8..94b085d 100644
--- a/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp
+++ b/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp
@@ -136,6 +136,7 @@ public:
                      const QScriptDebuggerValuePropertyList &props);
 
     void deleteObjectSnapshots(const QList<qint64> &snapshotIds);
+    void deleteAllObjectSnapshots();
 
     QScriptDebuggerJobSchedulerInterface *jobScheduler;
     QScriptDebuggerCommandSchedulerInterface *commandScheduler;
@@ -240,6 +241,14 @@ void QScriptDebuggerLocalsModelPrivate::deleteObjectSnapshots(const QList<qint64
         frontend.scheduleDeleteScriptObjectSnapshot(snapshotIds.at(i));
 }
 
+void QScriptDebuggerLocalsModelPrivate::deleteAllObjectSnapshots()
+{
+    QList<qint64> snapshotIds;
+    for (int i = 0; i < invisibleRootNode->children.count(); ++i)
+        snapshotIds += findSnapshotIdsRecursively(invisibleRootNode->children.at(i));
+    deleteObjectSnapshots(snapshotIds);
+}
+
 QScriptDebuggerLocalsModelPrivate *QScriptDebuggerLocalsModelPrivate::get(QScriptDebuggerLocalsModel *q)
 {
     return q->d_func();
@@ -442,13 +451,6 @@ QScriptDebuggerLocalsModel::QScriptDebuggerLocalsModel(
 
 QScriptDebuggerLocalsModel::~QScriptDebuggerLocalsModel()
 {
-    Q_D(QScriptDebuggerLocalsModel);
-    QList<qint64> snapshotIds;
-    for (int i = 0; i < d->invisibleRootNode->children.count(); ++i)
-        snapshotIds += findSnapshotIdsRecursively(d->invisibleRootNode->children.at(i));
-    QScriptDebuggerCommandSchedulerFrontend frontend(d->commandScheduler, 0);
-    for (int j = 0; j < snapshotIds.size(); ++j)
-        frontend.scheduleDeleteScriptObjectSnapshot(snapshotIds.at(j));
 }
 
 QModelIndex QScriptDebuggerLocalsModelPrivate::addTopLevelObject(const QString &name, const QScriptDebuggerValue &object)
diff --git a/src/scripttools/debugging/qscriptenginedebugger.cpp b/src/scripttools/debugging/qscriptenginedebugger.cpp
index a278e14..b09c79a 100644
--- a/src/scripttools/debugging/qscriptenginedebugger.cpp
+++ b/src/scripttools/debugging/qscriptenginedebugger.cpp
@@ -49,9 +49,7 @@
 #include <QtGui/qapplication.h>
 #include <QtGui/qdockwidget.h>
 #include <QtGui/qmainwindow.h>
-#include <QtGui/qmenu.h>
 #include <QtGui/qmenubar.h>
-#include <QtGui/qtoolbar.h>
 #include <QtGui/qboxlayout.h>
 
 // this has to be outside the namespace
@@ -412,7 +410,7 @@ QWidget *QScriptEngineDebugger::widget(DebuggerWidget widget) const
 {
     Q_D(const QScriptEngineDebugger);
     const_cast<QScriptEngineDebuggerPrivate*>(d)->createDebugger();
-    return d->debugger->widget(static_cast<QScriptDebugger::DebuggerWidget>(widget));
+    return d->debugger->widget(static_cast<QScriptDebugger::DebuggerWidget>(static_cast<int>(widget)));
 }
 
 /*!
@@ -436,7 +434,7 @@ QAction *QScriptEngineDebugger::action(DebuggerAction action) const
     Q_D(const QScriptEngineDebugger);
     QScriptEngineDebugger *that = const_cast<QScriptEngineDebugger*>(this);
     that->d_func()->createDebugger();
-    return d->debugger->action(static_cast<QScriptDebugger::DebuggerAction>(action), that);
+    return d->debugger->action(static_cast<QScriptDebugger::DebuggerAction>(static_cast<int>(action)), that);
 }
 
 /*!
@@ -589,25 +587,9 @@ QMainWindow *QScriptEngineDebugger::standardWindow() const
 */
 QMenu *QScriptEngineDebugger::createStandardMenu(QWidget *parent)
 {
-    QMenu *menu = new QMenu(parent);
-    menu->setTitle(QObject::tr("Debug"));
-    menu->addAction(action(ContinueAction));
-    menu->addAction(action(InterruptAction));
-    menu->addAction(action(StepIntoAction));
-    menu->addAction(action(StepOverAction));
-    menu->addAction(action(StepOutAction));
-    menu->addAction(action(RunToCursorAction));
-    menu->addAction(action(RunToNewScriptAction));
-
-    menu->addSeparator();
-    menu->addAction(action(ToggleBreakpointAction));
-
-    menu->addSeparator();
-    menu->addAction(action(ClearDebugOutputAction));
-    menu->addAction(action(ClearErrorLogAction));
-    menu->addAction(action(ClearConsoleAction));
-
-    return menu;
+    Q_D(QScriptEngineDebugger);
+    d->createDebugger();
+    return d->debugger->createStandardMenu(parent, this);
 }
 
 /*!
@@ -618,18 +600,9 @@ QMenu *QScriptEngineDebugger::createStandardMenu(QWidget *parent)
 */
 QToolBar *QScriptEngineDebugger::createStandardToolBar(QWidget *parent)
 {
-    QToolBar *tb = new QToolBar(parent);
-    tb->setObjectName(QLatin1String("qtscriptdebugger_standardToolBar"));
-    tb->addAction(action(ContinueAction));
-    tb->addAction(action(InterruptAction));
-    tb->addAction(action(StepIntoAction));
-    tb->addAction(action(StepOverAction));
-    tb->addAction(action(StepOutAction));
-    tb->addAction(action(RunToCursorAction));
-    tb->addAction(action(RunToNewScriptAction));
-    tb->addSeparator();
-    tb->addAction(action(FindInScriptAction));
-    return tb;
+    Q_D(QScriptEngineDebugger);
+    d->createDebugger();
+    return d->debugger->createStandardToolBar(parent, this);
 }
 
 /*!
diff --git a/src/sql/drivers/odbc/qsql_odbc.cpp b/src/sql/drivers/odbc/qsql_odbc.cpp
index f60c33c..6667c91 100644
--- a/src/sql/drivers/odbc/qsql_odbc.cpp
+++ b/src/sql/drivers/odbc/qsql_odbc.cpp
@@ -446,7 +446,7 @@ static QVariant qGetIntData(SQLHANDLE hStmt, int column, bool isSigned = true)
 static QVariant qGetDoubleData(SQLHANDLE hStmt, int column)
 {
     SQLDOUBLE dblbuf;
-    SQLINTEGER lengthIndicator = 0;
+    QSQLLEN lengthIndicator = 0;
     SQLRETURN r = SQLGetData(hStmt,
                               column+1,
                               SQL_C_DOUBLE,
@@ -572,7 +572,7 @@ static int qGetODBCVersion(const QString &connOpts)
 #ifndef Q_ODBC_VERSION_2
     if (connOpts.contains(QLatin1String("SQL_ATTR_ODBC_VERSION=SQL_OV_ODBC3"), Qt::CaseInsensitive))
         return SQL_OV_ODBC3;
-#endif 
+#endif
     return SQL_OV_ODBC2;
 }
 
@@ -984,7 +984,7 @@ bool QODBCResult::fetchFirst()
     r = SQLFetchScroll(d->hStmt,
                        SQL_FETCH_FIRST,
                        0);
-    if (r != SQL_SUCCESS) { 
+    if (r != SQL_SUCCESS) {
         if (r != SQL_NO_DATA)
             setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
                 "Unable to fetch first"), QSqlError::ConnectionError, d));
@@ -1003,7 +1003,7 @@ bool QODBCResult::fetchPrevious()
     r = SQLFetchScroll(d->hStmt,
                        SQL_FETCH_PRIOR,
                        0);
-    if (r != SQL_SUCCESS) { 
+    if (r != SQL_SUCCESS) {
         if (r != SQL_NO_DATA)
             setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
                 "Unable to fetch previous"), QSqlError::ConnectionError, d));
@@ -1034,7 +1034,7 @@ bool QODBCResult::fetchLast()
     r = SQLFetchScroll(d->hStmt,
                        SQL_FETCH_LAST,
                        0);
-    if (r != SQL_SUCCESS) { 
+    if (r != SQL_SUCCESS) {
         if (r != SQL_NO_DATA)
             setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
                 "Unable to fetch last"), QSqlError::ConnectionError, d));
@@ -1469,7 +1469,7 @@ bool QODBCResult::exec()
                     if (*ind != SQL_NULL_DATA)
                         *ind = str.length();
                     int strSize = str.length();
-                    
+
                     r = SQLBindParameter(d->hStmt,
                                           i + 1,
                                           qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
@@ -1759,7 +1759,7 @@ bool QODBCDriver::open(const QString & db,
     // support the "DRIVER={SQL SERVER};SERVER=blah" syntax
     if (db.contains(QLatin1String(".dsn"), Qt::CaseInsensitive))
         connQStr = QLatin1String("FILEDSN=") + db;
-    else if (db.contains(QLatin1String("DRIVER="), Qt::CaseInsensitive) 
+    else if (db.contains(QLatin1String("DRIVER="), Qt::CaseInsensitive)
             || db.contains(QLatin1String("SERVER="), Qt::CaseInsensitive))
         connQStr = db;
     else
@@ -1769,7 +1769,7 @@ bool QODBCDriver::open(const QString & db,
         connQStr += QLatin1String(";UID=") + user;
     if (!password.isEmpty())
         connQStr += QLatin1String(";PWD=") + password;
-    
+
     SQLSMALLINT cb;
     SQLTCHAR connOut[1024];
     r = SQLDriverConnect(d->hDbc,
diff --git a/src/sql/kernel/qsqldatabase.cpp b/src/sql/kernel/qsqldatabase.cpp
index 990ad9a..06df473 100644
--- a/src/sql/kernel/qsqldatabase.cpp
+++ b/src/sql/kernel/qsqldatabase.cpp
@@ -960,7 +960,7 @@ bool QSqlDatabase::rollback()
     connection, set the database name, and call open() again.  \note
     The \e{database name} is not the \e{connection name}. The
     connection name must be passed to addDatabase() at connection
-    object create time. 
+    object create time.
 
     For the QOCI (Oracle) driver, the database name is the TNS
     Service Name.
@@ -1481,17 +1481,16 @@ QString QSqlDatabase::connectionName() const
 }
 
 /*!
-
-  Sets the default numerical precision policy that queries use when created
-  on this database connection.
+  Sets the default numerical precision policy used by queries created
+  on this database connection to \a precisionPolicy.
 
   Note: Drivers that don't support fetching numerical values with low
   precision will ignore the precision policy. You can use
   QSqlDriver::hasFeature() to find out whether a driver supports this
   feature.
 
-  Note: Setting the default precision policy doesn't affect any currently
-  active queries.
+  Note: Setting the default precision policy to \a precisionPolicy
+  doesn't affect any currently active queries.
 
   \sa QSql::NumericalPrecisionPolicy, numericalPrecisionPolicy(), QSqlQuery::setNumericalPrecisionPolicy(), QSqlQuery::numericalPrecisionPolicy()
 */
diff --git a/src/sql/kernel/qsqldriver.cpp b/src/sql/kernel/qsqldriver.cpp
index f7492c3..48ef6a2 100644
--- a/src/sql/kernel/qsqldriver.cpp
+++ b/src/sql/kernel/qsqldriver.cpp
@@ -914,12 +914,11 @@ QString QSqlDriver::stripDelimitersImplementation(const QString &identifier, Ide
 }
 
 /*!
+  Sets the default numerical precision policy used by queries created
+  by this driver to \a precisionPolicy.
 
-  Sets the default numerical precision policy that queries use when created
-  by this driver.
-
-  Note: Setting the default precision policy doesn't affect any currently
-  active queries.
+  Note: Setting the default precision policy to \a precisionPolicy
+  doesn't affect any currently active queries.
 
   \sa QSql::NumericalPrecisionPolicy, numericalPrecisionPolicy(), QSqlQuery::setNumericalPrecisionPolicy(), QSqlQuery::numericalPrecisionPolicy()
 */