Merge commit 'qt/master-stable' into 4.6-stable

Bring Qt 4.6 into the Qt-S60 repo.

Conflicts:
	configure.exe
	mkspecs/features/qttest_p4.prf
	qmake/generators/makefile.cpp
	src/corelib/io/qdir.cpp
	src/corelib/io/qprocess.h
	src/corelib/kernel/qcoreevent.h
	src/corelib/kernel/qobject.cpp
	src/corelib/kernel/qsharedmemory_unix.cpp
	src/corelib/thread/qthread_p.h
	src/corelib/tools/qvector.h
	src/gui/dialogs/qdialog.cpp
	src/gui/dialogs/qfiledialog.cpp
	src/gui/dialogs/qfiledialog_p.h
	src/gui/dialogs/qmessagebox.cpp
	src/gui/graphicsview/qgraphicsitem.cpp
	src/gui/graphicsview/qgraphicsview.cpp
	src/gui/image/qpixmapcache.cpp
	src/gui/kernel/qapplication.cpp
	src/gui/kernel/qapplication_p.h
	src/gui/kernel/qwidget.cpp
	src/gui/kernel/qwidget_p.h
	src/gui/painting/qdrawhelper.cpp
	src/gui/painting/qpaintengine_raster.cpp
	src/gui/text/qfontengine_qpf.cpp
	src/gui/widgets/qmenubar.cpp
	src/network/socket/qlocalserver.cpp
	src/testlib/qtestcase.cpp
	src/testlib/testlib.pro
	tests/auto/qimagereader/tst_qimagereader.cpp
	tests/auto/qitemdelegate/tst_qitemdelegate.cpp
	tests/auto/qnetworkreply/tst_qnetworkreply.cpp
	tests/auto/qpixmap/qpixmap.pro

22 files changed, 702 insertions, 318 deletions

diff --git a/src/scripttools/debugging/debugging.pri b/src/scripttools/debugging/debugging.pri
index fa39e83..2082fd0 100644
--- a/src/scripttools/debugging/debugging.pri
+++ b/src/scripttools/debugging/debugging.pri
@@ -111,7 +111,8 @@ SOURCES += \
     $$PWD/qscriptbreakpointswidget.cpp \
     $$PWD/qscriptbreakpointsmodel.cpp \
     $$PWD/qscripterrorlogwidgetinterface.cpp \
-    $$PWD/qscripterrorlogwidget.cpp
+    $$PWD/qscripterrorlogwidget.cpp \
+    $$PWD/qscriptdebuggerstandardwidgetfactory.cpp
 
 HEADERS += \
     $$PWD/qscriptdebuggerconsolewidgetinterface_p_p.h \
@@ -148,7 +149,8 @@ HEADERS += \
     $$PWD/qscripterrorlogwidgetinterface_p_p.h \
     $$PWD/qscripterrorlogwidgetinterface_p.h \
     $$PWD/qscripterrorlogwidget_p.h \
-    $$PWD/qscriptdebuggerwidgetfactoryinterface_p.h
+    $$PWD/qscriptdebuggerwidgetfactoryinterface_p.h \
+    $$PWD/qscriptdebuggerstandardwidgetfactory_p.h
 
 SOURCES += \
     $$PWD/qscriptenginedebugger.cpp
diff --git a/src/scripttools/debugging/qscriptcompletiontask.cpp b/src/scripttools/debugging/qscriptcompletiontask.cpp
index 119b96a..e2034f3 100644
--- a/src/scripttools/debugging/qscriptcompletiontask.cpp
+++ b/src/scripttools/debugging/qscriptcompletiontask.cpp
@@ -44,12 +44,10 @@
 #include "qscriptdebuggerconsole_p.h"
 #include "qscriptdebuggerconsolecommand_p.h"
 #include "qscriptdebuggerconsolecommandmanager_p.h"
-
-#include "qscriptenginedebuggerfrontend_p.h" // ### kill
-#include "qscriptdebuggerbackend_p.h" // ### kill
-#include <QtScript/qscriptcontext.h>
-#include <QtScript/qscriptvalue.h>
-#include <QtScript/qscriptvalueiterator.h>
+#include "qscriptdebuggercommandschedulerjob_p.h"
+#include "qscriptdebuggercommandschedulerfrontend_p.h"
+#include "qscriptdebuggerjobschedulerinterface_p.h"
+#include "qscriptdebuggerresponse_p.h"
 
 #include "private/qobject_p.h"
 
@@ -67,11 +65,13 @@ public:
     ~QScriptCompletionTaskPrivate();
 
     void completeScriptExpression();
+    void emitFinished();
 
     QString contents;
     int cursorPosition;
     int frameIndex;
-    QScriptDebuggerFrontend *frontend;
+    QScriptDebuggerCommandSchedulerInterface *commandScheduler;
+    QScriptDebuggerJobSchedulerInterface *jobScheduler;
     QScriptDebuggerConsole *console;
 };
 
@@ -83,28 +83,33 @@ QScriptCompletionTaskPrivate::~QScriptCompletionTaskPrivate()
 {
 }
 
-QScriptCompletionTask::QScriptCompletionTask(
-    const QString &contents, int cursorPosition,
-    int frameIndex, QScriptDebuggerFrontend *frontend,
-    QScriptDebuggerConsole *console,
-    QObject *parent)
-    : QScriptCompletionTaskInterface(
-        *new QScriptCompletionTaskPrivate, parent)
+class QScriptCompleteExpressionJob : public QScriptDebuggerCommandSchedulerJob
 {
-    Q_D(QScriptCompletionTask);
-    d->contents = contents;
-    d->cursorPosition = cursorPosition;
-    if ((frameIndex == -1) && console)
-        d->frameIndex = console->currentFrameIndex();
-    else
-        d->frameIndex = frameIndex;
-    d->frontend = frontend;
-    d->console = console;
-}
+public:
+    QScriptCompleteExpressionJob(int frameIndex, const QStringList &path,
+                                 QScriptCompletionTaskPrivate *task,
+                                 QScriptDebuggerCommandSchedulerInterface *scheduler)
+        : QScriptDebuggerCommandSchedulerJob(scheduler),
+          m_frameIndex(frameIndex), m_path(path), m_task(task)
+        {}
 
-QScriptCompletionTask::~QScriptCompletionTask()
-{
-}
+    void start()
+    {
+        QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);
+        frontend.scheduleGetCompletions(m_frameIndex, m_path);
+    }
+    void handleResponse(const QScriptDebuggerResponse &response, int /*commandId*/)
+    {
+        m_task->results = response.result().toStringList();
+        m_task->emitFinished();
+        finish();
+    }
+
+private:
+    int m_frameIndex;
+    QStringList m_path;
+    QScriptCompletionTaskPrivate *m_task;
+};
 
 namespace {
 
@@ -122,17 +127,49 @@ static bool isPrefixOf(const QString &prefix, const QString &what)
 
 } // namespace
 
+class QScriptCompleteScriptsJob : public QScriptDebuggerCommandSchedulerJob
+{
+public:
+    QScriptCompleteScriptsJob(const QString &prefix, QScriptCompletionTaskPrivate *task,
+                              QScriptDebuggerCommandSchedulerInterface *scheduler)
+        : QScriptDebuggerCommandSchedulerJob(scheduler),
+          m_prefix(prefix), m_task(task)
+        {}
+
+    void start()
+    {
+        QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);
+        frontend.scheduleGetScripts();
+    }
+    void handleResponse(const QScriptDebuggerResponse &response, int /*commandId*/)
+    {
+        QScriptScriptMap scripts = response.resultAsScripts();
+        QScriptScriptMap::const_iterator it;
+        for (it = scripts.constBegin(); it != scripts.constEnd(); ++it) {
+            QString fileName = it.value().fileName();
+            if (isPrefixOf(m_prefix, fileName))
+                m_task->results.append(fileName);
+        }
+        m_task->emitFinished();
+        finish();
+    }
+private:
+    QString m_prefix;
+    QScriptCompletionTaskPrivate *m_task;
+};
+
 void QScriptCompletionTaskPrivate::completeScriptExpression()
 {
     int pos = cursorPosition;
     if ((pos > 0) && contents.at(pos-1).isNumber()) {
         // completion of numbers is pointless
+        emitFinished();
         return;
     }
 
     while ((pos > 0) && isIdentChar(contents.at(pos-1)))
         --pos;
-    int pos2 = cursorPosition;
+    int pos2 = cursorPosition - 1;
     while ((pos2 < contents.size()-1) && isIdentChar(contents.at(pos2+1)))
         ++pos2;
     QString ident = contents.mid(pos, pos2 - pos + 1);
@@ -148,65 +185,41 @@ void QScriptCompletionTaskPrivate::completeScriptExpression()
         path.prepend(contents.mid(pos, pos2 - pos));
     }
 
-    // ### super-cheating for now; have to use the async API
-    QScriptEngineDebuggerFrontend *edf = static_cast<QScriptEngineDebuggerFrontend*>(frontend);
-    QScriptDebuggerBackend *backend = edf->backend();
-    QScriptContext *ctx = backend->context(frameIndex);
-    QScriptValueList objects;
-    QString prefix = path.last();
-    QSet<QString> matches;
-    if (path.size() > 1) {
-        const QString &topLevelIdent = path.at(0);
-        QScriptValue obj;
-        if (topLevelIdent == QString::fromLatin1("this")) {
-            obj = ctx->thisObject();
-        } else {
-            QScriptValueList scopeChain;
-            scopeChain = ctx->scopeChain();
-            for (int i = 0; i < scopeChain.size(); ++i) {
-                QScriptValue oo = scopeChain.at(i).property(topLevelIdent);
-                if (oo.isObject()) {
-                    obj = oo;
-                    break;
-                }
-            }
-        }
-        for (int i = 1; obj.isObject() && (i < path.size()-1); ++i)
-            obj = obj.property(path.at(i));
-        if (obj.isValid())
-            objects.append(obj);
-    } else {
-        objects << ctx->scopeChain();
-        QStringList keywords;
-        keywords.append(QString::fromLatin1("this"));
-        keywords.append(QString::fromLatin1("true"));
-        keywords.append(QString::fromLatin1("false"));
-        keywords.append(QString::fromLatin1("null"));
-        for (int i = 0; i < keywords.size(); ++i) {
-            const QString &kwd = keywords.at(i);
-            if (isPrefixOf(prefix, kwd))
-                matches.insert(kwd);
-        }
-    }
+    length = path.last().length();
+    type = QScriptCompletionTask::ScriptIdentifierCompletion;
 
-    for (int i = 0; i < objects.size(); ++i) {
-        QScriptValue obj = objects.at(i);
-        while (obj.isObject()) {
-            QScriptValueIterator it(obj);
-            while (it.hasNext()) {
-                it.next();
-                QString propertyName = it.name();
-                if (isPrefixOf(prefix, propertyName))
-                    matches.insert(propertyName);
-            }
-            obj = obj.prototype();
-        }
-    }
-    results = matches.toList();
-    qStableSort(results);
+    QScriptDebuggerJob *job = new QScriptCompleteExpressionJob(frameIndex, path, this, commandScheduler);
+    jobScheduler->scheduleJob(job);
+}
 
-    length = prefix.length();
-    type = QScriptCompletionTask::ScriptIdentifierCompletion;
+void QScriptCompletionTaskPrivate::emitFinished()
+{
+    emit q_func()->finished();
+}
+
+QScriptCompletionTask::QScriptCompletionTask(
+    const QString &contents, int cursorPosition, int frameIndex,
+    QScriptDebuggerCommandSchedulerInterface *commandScheduler,
+    QScriptDebuggerJobSchedulerInterface *jobScheduler,
+    QScriptDebuggerConsole *console,
+    QObject *parent)
+    : QScriptCompletionTaskInterface(
+        *new QScriptCompletionTaskPrivate, parent)
+{
+    Q_D(QScriptCompletionTask);
+    d->contents = contents;
+    d->cursorPosition = cursorPosition;
+    if ((frameIndex == -1) && console)
+        d->frameIndex = console->currentFrameIndex();
+    else
+        d->frameIndex = frameIndex;
+    d->commandScheduler = commandScheduler;
+    d->jobScheduler = jobScheduler;
+    d->console = console;
+}
+
+QScriptCompletionTask::~QScriptCompletionTask()
+{
 }
 
 void QScriptCompletionTask::start()
@@ -223,7 +236,6 @@ void QScriptCompletionTask::start()
         if ((d->cursorPosition >= cmdIndex) && (d->cursorPosition <= (cmdIndex+len))) {
             // editing command --> get command completions
             d->results = d->console->commandManager()->completions(prefix);
-            qStableSort(d->results);
             d->position = cmdRx.pos(1);
             d->length = prefix.length();
             d->type = CommandNameCompletion;
@@ -256,41 +268,37 @@ void QScriptCompletionTask::start()
             }
             QString argType = cmd->argumentTypes().value(argNum);
             if (!argType.isEmpty()) {
-                if (argType == QString::fromLatin1("command-or-group-name")) {
+                if (argType == QLatin1String("command-or-group-name")) {
                     d->results = d->console->commandManager()->completions(arg);
-                } else if (argType == QString::fromLatin1("script-filename")) {
-                    // ### super-cheating for now; have to use the async API
-                    QScriptEngineDebuggerFrontend *edf = static_cast<QScriptEngineDebuggerFrontend*>(d->frontend);
-                    QScriptDebuggerBackend *backend = edf->backend();
-                    QScriptScriptMap scripts = backend->scripts();
-                    QScriptScriptMap::const_iterator it;
-                    for (it = scripts.constBegin(); it != scripts.constEnd(); ++it) {
-                        QString fileName = it.value().fileName();
-                        if (isPrefixOf(arg, fileName))
-                            d->results.append(fileName);
-                    }
-                } else if (argType == QString::fromLatin1("subcommand-name")) {
+                } else if (argType == QLatin1String("script-filename")) {
+                    d->position = pos;
+                    d->length = arg.length();
+                    d->type = CommandArgumentCompletion;
+                    QScriptDebuggerJob *job = new QScriptCompleteScriptsJob(arg, d, d->commandScheduler);
+                    d->jobScheduler->scheduleJob(job);
+                } else if (argType == QLatin1String("subcommand-name")) {
                     for (int i = 0; i < cmd->subCommands().size(); ++i) {
                         QString name = cmd->subCommands().at(i);
                         if (isPrefixOf(arg, name))
                             d->results.append(name);
                     }
-                } else if (argType == QString::fromLatin1("script")) {
+                    qStableSort(d->results);
+                } else if (argType == QLatin1String("script")) {
                     d->completeScriptExpression();
+                } else {
+                    emit finished();
                 }
                 if ((d->type == NoCompletion) && !d->results.isEmpty()) {
-                    qStableSort(d->results);
                     d->position = pos;
                     d->length = arg.length();
                     d->type = CommandArgumentCompletion;
+                    emit finished();
                 }
             }
-            emit finished();
         }
     } else {
         // assume it's an eval expression
         d->completeScriptExpression();
-        emit finished();
     }
 }
 
diff --git a/src/scripttools/debugging/qscriptcompletiontask_p.h b/src/scripttools/debugging/qscriptcompletiontask_p.h
index dd82250..0055959 100644
--- a/src/scripttools/debugging/qscriptcompletiontask_p.h
+++ b/src/scripttools/debugging/qscriptcompletiontask_p.h
@@ -60,7 +60,8 @@
 
 QT_BEGIN_NAMESPACE
 
-class QScriptDebuggerFrontend;
+class QScriptDebuggerCommandSchedulerInterface;
+class QScriptDebuggerJobSchedulerInterface;
 class QScriptDebuggerConsole;
 
 class QScriptCompletionTaskPrivate;
@@ -70,9 +71,9 @@ class Q_AUTOTEST_EXPORT QScriptCompletionTask
     Q_OBJECT
 public:
     QScriptCompletionTask(
-        const QString &contents, int cursorPosition,
-        int frameIndex,
-        QScriptDebuggerFrontend *frontend,
+        const QString &contents, int cursorPosition, int frameIndex,
+        QScriptDebuggerCommandSchedulerInterface *commandScheduler,
+        QScriptDebuggerJobSchedulerInterface *jobScheduler,
         QScriptDebuggerConsole *console,
         QObject *parent = 0);
     ~QScriptCompletionTask();
diff --git a/src/scripttools/debugging/qscriptdebugger.cpp b/src/scripttools/debugging/qscriptdebugger.cpp
index ce43572..454d051 100644
--- a/src/scripttools/debugging/qscriptdebugger.cpp
+++ b/src/scripttools/debugging/qscriptdebugger.cpp
@@ -94,6 +94,7 @@
 #include <QtGui/qevent.h>
 #include <QtGui/qicon.h>
 #include <QtGui/qinputdialog.h>
+#include <QtGui/qtooltip.h>
 
 QT_BEGIN_NAMESPACE
 typedef QPair<QList<qint64>, QList<qint64> > QScriptScriptsDelta;
@@ -171,8 +172,8 @@ public:
     QScriptCompletionTaskInterface *createCompletionTask(
         const QString &contents, int cursorPosition, int frameIndex, int options);
 
-    QString toolTip(int frameIndex, int lineNumber,
-                    const QStringList &path);
+    void showToolTip(const QPoint &pos, int frameIndex,
+                     int lineNumber, const QStringList &path);
 
     static QPixmap pixmap(const QString &path);
 
@@ -633,11 +634,49 @@ bool QScriptDebuggerPrivate::debuggerEvent(const QScriptDebuggerEvent &event)
     return !interactive;
 }
 
+class QScriptToolTipJob : public QScriptDebuggerCommandSchedulerJob
+{
+public:
+    QScriptToolTipJob(const QPoint &pos, int frameIndex,
+                      int lineNumber, const QStringList &path,
+                      QScriptDebuggerCommandSchedulerInterface *scheduler)
+        : QScriptDebuggerCommandSchedulerJob(scheduler), m_pos(pos),
+          m_frameIndex(frameIndex), m_lineNumber(lineNumber), m_path(path)
+        {}
+
+    void start()
+    {
+        QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);
+        frontend.scheduleGetPropertyExpressionValue(m_frameIndex, m_lineNumber, m_path);
+    }
+    void handleResponse(const QScriptDebuggerResponse &response, int /*commandId*/)
+    {
+        QString tip = response.result().toString();
+        if (tip.indexOf(QLatin1Char('\n')) != -1) {
+            QStringList lines = tip.split(QLatin1Char('\n'));
+            int lineCount = lines.size();
+            if (lineCount > 5) {
+                lines = lines.mid(0, 5);
+                lines.append(QString::fromLatin1("(... %0 more lines ...)").arg(lineCount - 5));
+            }
+            tip = lines.join(QLatin1String("\n"));
+        }
+        QToolTip::showText(m_pos, tip);
+        finish();
+    }
+
+private:
+    QPoint m_pos;
+    int m_frameIndex;
+    int m_lineNumber;
+    QStringList m_path;
+};
+
 /*!
   \reimp
 */
-QString QScriptDebuggerPrivate::toolTip(int frameIndex, int lineNumber,
-                                        const QStringList &path)
+void QScriptDebuggerPrivate::showToolTip(const QPoint &pos, int frameIndex,
+                                         int lineNumber, const QStringList &path)
 {
     if (frameIndex == -1) {
         if (stackWidget)
@@ -645,40 +684,8 @@ QString QScriptDebuggerPrivate::toolTip(int frameIndex, int lineNumber,
         else
             frameIndex = console->currentFrameIndex();
     }
-    // ### cheating for now, need to use async API
-    QScriptEngineDebuggerFrontend *edf = static_cast<QScriptEngineDebuggerFrontend*>(frontend);
-    QScriptDebuggerBackend *backend = edf->backend();
-    QScriptContext *ctx = backend->context(frameIndex);
-    if (!ctx || path.isEmpty())
-        return QString();
-    QScriptContextInfo ctxInfo(ctx);
-    if (ctx->callee().isValid()
-        && ((lineNumber < ctxInfo.functionStartLineNumber())
-            || (lineNumber > ctxInfo.functionEndLineNumber()))) {
-        return QString();
-    }
-    QScriptValueList objects;
-    int pathIndex = 0;
-    if (path.at(0) == QLatin1String("this")) {
-        objects.append(ctx->thisObject());
-        ++pathIndex;
-    } else {
-        objects << ctx->scopeChain();
-    }
-    for (int i = 0; i < objects.size(); ++i) {
-        QScriptValue val = objects.at(i);
-        for (int j = pathIndex; val.isValid() && (j < path.size()); ++j) {
-            val = val.property(path.at(j));
-        }
-        if (val.isValid()) {
-            bool hadException = (ctx->state() == QScriptContext::ExceptionState);
-            QString str = val.toString();
-            if (!hadException && backend->engine()->hasUncaughtException())
-                backend->engine()->clearExceptions();
-            return str;
-        }
-    }
-    return QString();
+    QScriptDebuggerJob *job = new QScriptToolTipJob(pos, frameIndex, lineNumber, path, this);
+    scheduleJob(job);
 }
 
 /*!
@@ -688,7 +695,7 @@ QScriptCompletionTaskInterface *QScriptDebuggerPrivate::createCompletionTask(
     const QString &contents, int cursorPosition, int frameIndex, int options)
 {
     return new QScriptCompletionTask(
-        contents, cursorPosition, frameIndex, frontend,
+        contents, cursorPosition, frameIndex, this, this,
         (options & QScriptCompletionProviderInterface::ConsoleCommandCompletion) ? console : 0);
 }
 
@@ -1072,7 +1079,7 @@ class LoadLocalsJob : public QScriptDebuggerCommandSchedulerJob
 public:
     LoadLocalsJob(QScriptDebuggerPrivate *debugger, int frameIndex)
         : QScriptDebuggerCommandSchedulerJob(debugger),
-          m_debugger(debugger), m_frameIndex(frameIndex), m_state(0) {}
+          m_debugger(debugger), m_frameIndex(frameIndex) {}
 
     void start()
     {
@@ -1104,7 +1111,6 @@ public:
 private:
     QScriptDebuggerPrivate *m_debugger;
     int m_frameIndex;
-    int m_state;
 };
 
 class EmitStoppedSignalJob : public QScriptDebuggerJob
@@ -1331,6 +1337,122 @@ void QScriptDebugger::setFrontend(QScriptDebuggerFrontend *frontend)
     }
 }
 
+QAction *QScriptDebugger::action(DebuggerAction action, QObject *parent)
+{
+    switch (action) {
+    case InterruptAction:
+        return interruptAction(parent);
+    case ContinueAction:
+        return continueAction(parent);
+    case StepIntoAction:
+        return stepIntoAction(parent);
+    case StepOverAction:
+        return stepOverAction(parent);
+    case StepOutAction:
+        return stepOutAction(parent);
+    case RunToCursorAction:
+        return runToCursorAction(parent);
+    case RunToNewScriptAction:
+        return runToNewScriptAction(parent);
+    case ToggleBreakpointAction:
+        return toggleBreakpointAction(parent);
+    case ClearDebugOutputAction:
+        return clearDebugOutputAction(parent);
+    case ClearErrorLogAction:
+        return clearErrorLogAction(parent);
+    case ClearConsoleAction:
+        return clearConsoleAction(parent);
+    case FindInScriptAction:
+        return findInScriptAction(parent);
+    case FindNextInScriptAction:
+        return findNextInScriptAction(parent);
+    case FindPreviousInScriptAction:
+        return findPreviousInScriptAction(parent);
+    case GoToLineAction:
+        return goToLineAction(parent);
+    }
+    return 0;
+}
+
+QWidget *QScriptDebugger::widget(DebuggerWidget widget)
+{
+    switch (widget) {
+    case ConsoleWidget: {
+        QScriptDebuggerConsoleWidgetInterface *w = consoleWidget();
+        if (!w && widgetFactory()) {
+            w = widgetFactory()->createConsoleWidget();
+            setConsoleWidget(w);
+        }
+        return w;
+    }
+    case StackWidget: {
+        QScriptDebuggerStackWidgetInterface *w = stackWidget();
+        if (!w && widgetFactory()) {
+            w = widgetFactory()->createStackWidget();
+            setStackWidget(w);
+        }
+        return w;
+    }
+    case ScriptsWidget: {
+        QScriptDebuggerScriptsWidgetInterface *w = scriptsWidget();
+        if (!w && widgetFactory()) {
+            w = widgetFactory()->createScriptsWidget();
+            setScriptsWidget(w);
+        }
+        return w;
+    }
+    case LocalsWidget: {
+        QScriptDebuggerLocalsWidgetInterface *w = localsWidget();
+        if (!w && widgetFactory()) {
+            w = widgetFactory()->createLocalsWidget();
+            setLocalsWidget(w);
+        }
+        return w;
+    }
+    case CodeWidget: {
+        QScriptDebuggerCodeWidgetInterface *w = codeWidget();
+        if (!w && widgetFactory()) {
+            w = widgetFactory()->createCodeWidget();
+            setCodeWidget(w);
+        }
+        return w;
+    }
+    case CodeFinderWidget: {
+        QScriptDebuggerCodeFinderWidgetInterface *w = codeFinderWidget();
+        if (!w && widgetFactory()) {
+            w = widgetFactory()->createCodeFinderWidget();
+            setCodeFinderWidget(w);
+        }
+        return w;
+    }
+    case BreakpointsWidget: {
+        QScriptBreakpointsWidgetInterface *w = breakpointsWidget();
+        if (!w && widgetFactory()) {
+            w = widgetFactory()->createBreakpointsWidget();
+            setBreakpointsWidget(w);
+        }
+        return w;
+    }
+    case DebugOutputWidget: {
+        QScriptDebugOutputWidgetInterface *w = debugOutputWidget();
+        if (!w && widgetFactory()) {
+            w = widgetFactory()->createDebugOutputWidget();
+            setDebugOutputWidget(w);
+        }
+        return w;
+    }
+    case ErrorLogWidget: {
+        QScriptErrorLogWidgetInterface *w = errorLogWidget();
+        if (!w && widgetFactory()) {
+            w = widgetFactory()->createErrorLogWidget();
+            setErrorLogWidget(w);
+        }
+        return w;
+    }
+    }
+    return 0;
+}
+
 QScriptDebuggerConsoleWidgetInterface *QScriptDebugger::consoleWidget() const
 {
     Q_D(const QScriptDebugger);
diff --git a/src/scripttools/debugging/qscriptdebugger_p.h b/src/scripttools/debugging/qscriptdebugger_p.h
index 8f14f4d..6d8fcab 100644
--- a/src/scripttools/debugging/qscriptdebugger_p.h
+++ b/src/scripttools/debugging/qscriptdebugger_p.h
@@ -76,12 +76,46 @@ class Q_AUTOTEST_EXPORT QScriptDebugger : public QObject
 {
     Q_OBJECT
 public:
+    // mirrors QScriptEngineDebugger::DebuggerWidget
+    enum DebuggerWidget {
+        ConsoleWidget,
+        StackWidget,
+        ScriptsWidget,
+        LocalsWidget,
+        CodeWidget,
+        CodeFinderWidget,
+        BreakpointsWidget,
+        DebugOutputWidget,
+        ErrorLogWidget
+    };
+    // mirrors QScriptEngineDebugger::DebuggerAction
+    enum DebuggerAction {
+        InterruptAction,
+        ContinueAction,
+        StepIntoAction,
+        StepOverAction,
+        StepOutAction,
+        RunToCursorAction,
+        RunToNewScriptAction,
+        ToggleBreakpointAction,
+        ClearDebugOutputAction,
+        ClearErrorLogAction,
+        ClearConsoleAction,
+        FindInScriptAction,
+        FindNextInScriptAction,
+        FindPreviousInScriptAction,
+        GoToLineAction
+    };
+
     QScriptDebugger(QObject *parent = 0);
     ~QScriptDebugger();
 
     QScriptDebuggerFrontend *frontend() const;
     void setFrontend(QScriptDebuggerFrontend *frontend);
 
+    QWidget *widget(DebuggerWidget widget);
+    QAction *action(DebuggerAction action, QObject *parent);
+
     QScriptDebuggerConsoleWidgetInterface *consoleWidget() const;
     void setConsoleWidget(QScriptDebuggerConsoleWidgetInterface *consoleWidget);
 
diff --git a/src/scripttools/debugging/qscriptdebuggerbackend.cpp b/src/scripttools/debugging/qscriptdebuggerbackend.cpp
index 46d8497..07ae1d3 100644
--- a/src/scripttools/debugging/qscriptdebuggerbackend.cpp
+++ b/src/scripttools/debugging/qscriptdebuggerbackend.cpp
@@ -292,7 +292,7 @@ QScriptValue QScriptDebuggerBackendPrivate::trace(QScriptContext *context,
     QString str;
     for (int i = 0; i < context->argumentCount(); ++i) {
         if (i > 0)
-            str.append(QLatin1String(" "));
+            str.append(QLatin1Char(' '));
         str.append(context->argument(i).toString());
     }
     QScriptDebuggerEvent e(QScriptDebuggerEvent::Trace);
diff --git a/src/scripttools/debugging/qscriptdebuggercodeview.cpp b/src/scripttools/debugging/qscriptdebuggercodeview.cpp
index bc493e0..c03ec83 100644
--- a/src/scripttools/debugging/qscriptdebuggercodeview.cpp
+++ b/src/scripttools/debugging/qscriptdebuggercodeview.cpp
@@ -214,7 +214,6 @@ bool QScriptDebuggerCodeView::event(QEvent *e)
         if (contents.isEmpty())
             return false;
         int linePosition = cursor.position() - block.position();
-        linePosition -= 3;
         if (linePosition < 0)
             linePosition = 0;
 
@@ -233,7 +232,7 @@ bool QScriptDebuggerCodeView::event(QEvent *e)
             // ignore string literals
             return false;
         }
-        int pos2 = linePosition;
+        int pos2 = linePosition - 1;
         while ((pos2 < contents.size()-1) && isIdentChar(contents.at(pos2+1)))
             ++pos2;
         QString ident = contents.mid(pos, pos2 - pos + 1);
diff --git a/src/scripttools/debugging/qscriptdebuggercodewidget.cpp b/src/scripttools/debugging/qscriptdebuggercodewidget.cpp
index 14ce0fe..b2f1dec 100644
--- a/src/scripttools/debugging/qscriptdebuggercodewidget.cpp
+++ b/src/scripttools/debugging/qscriptdebuggercodewidget.cpp
@@ -49,7 +49,6 @@
 #include <QtCore/qdebug.h>
 #include <QtGui/qboxlayout.h>
 #include <QtGui/qstackedwidget.h>
-#include <QtGui/qtooltip.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -197,17 +196,7 @@ void QScriptDebuggerCodeWidgetPrivate::_q_onScriptsChanged()
 void QScriptDebuggerCodeWidgetPrivate::_q_onToolTipRequest(
     const QPoint &pos, int lineNumber, const QStringList &path)
 {
-    QString tip = toolTipProvider->toolTip(/*frameIndex=*/-1, lineNumber, path);
-    if (tip.indexOf(QLatin1Char('\n')) != -1) {
-        QStringList lines = tip.split(QLatin1Char('\n'));
-        int lineCount = lines.size();
-        if (lineCount > 5) {
-            lines = lines.mid(0, 5);
-            lines.append(QString::fromLatin1("(... %0 more lines ...)").arg(lineCount - 5));
-        }
-        tip = lines.join(QLatin1String("\n"));
-    }
-    QToolTip::showText(pos, tip);
+    toolTipProvider->showToolTip(pos, /*frameIndex=*/-1, lineNumber, path);
 }
 
 QScriptDebuggerCodeWidget::QScriptDebuggerCodeWidget(QWidget *parent)
diff --git a/src/scripttools/debugging/qscriptdebuggercommand.cpp b/src/scripttools/debugging/qscriptdebuggercommand.cpp
index 98bb3b3..e5bfa9d 100644
--- a/src/scripttools/debugging/qscriptdebuggercommand.cpp
+++ b/src/scripttools/debugging/qscriptdebuggercommand.cpp
@@ -45,6 +45,7 @@
 
 #include <QtCore/qhash.h>
 #include <QtCore/qdatastream.h>
+#include <QtCore/qstringlist.h>
 
 Q_DECLARE_METATYPE(QScriptBreakpointData)
 Q_DECLARE_METATYPE(QScriptDebuggerValue)
@@ -557,6 +558,25 @@ QScriptDebuggerCommand QScriptDebuggerCommand::contextsCheckpoint()
     return cmd;
 }
 
+QScriptDebuggerCommand QScriptDebuggerCommand::getPropertyExpressionValue(
+    int contextIndex, int lineNumber, const QStringList &path)
+{
+    QScriptDebuggerCommand cmd(GetPropertyExpressionValue);
+    cmd.setContextIndex(contextIndex);
+    cmd.setLineNumber(lineNumber);
+    cmd.setAttribute(UserAttribute, path);
+    return cmd;
+}
+
+QScriptDebuggerCommand QScriptDebuggerCommand::getCompletions(
+    int contextIndex, const QStringList &path)
+{
+    QScriptDebuggerCommand cmd(GetCompletions);
+    cmd.setContextIndex(contextIndex);
+    cmd.setAttribute(UserAttribute, path);
+    return cmd;
+}
+
 QScriptDebuggerCommand QScriptDebuggerCommand::newScriptObjectSnapshotCommand()
 {
     QScriptDebuggerCommand cmd(NewScriptObjectSnapshot);
diff --git a/src/scripttools/debugging/qscriptdebuggercommand_p.h b/src/scripttools/debugging/qscriptdebuggercommand_p.h
index 363738f..7a2507d 100644
--- a/src/scripttools/debugging/qscriptdebuggercommand_p.h
+++ b/src/scripttools/debugging/qscriptdebuggercommand_p.h
@@ -106,6 +106,8 @@ public:
         GetActivationObject,
         GetScopeChain,
         ContextsCheckpoint,
+        GetPropertyExpressionValue,
+        GetCompletions,
 
         NewScriptObjectSnapshot,
         ScriptObjectSnapshotCapture,
@@ -229,6 +231,9 @@ public:
     static QScriptDebuggerCommand getActivationObjectCommand(int contextIndex);
     static QScriptDebuggerCommand getScopeChainCommand(int contextIndex);
     static QScriptDebuggerCommand contextsCheckpoint();
+    static QScriptDebuggerCommand getPropertyExpressionValue(int contextIndex, int lineNumber,
+                                                             const QStringList &path);
+    static QScriptDebuggerCommand getCompletions(int contextIndex, const QStringList &path);
 
     static QScriptDebuggerCommand newScriptObjectSnapshotCommand();
     static QScriptDebuggerCommand scriptObjectSnapshotCaptureCommand(int id, const QScriptDebuggerValue &object);
diff --git a/src/scripttools/debugging/qscriptdebuggercommandexecutor.cpp b/src/scripttools/debugging/qscriptdebuggercommandexecutor.cpp
index e75ff99..010aae7 100644
--- a/src/scripttools/debugging/qscriptdebuggercommandexecutor.cpp
+++ b/src/scripttools/debugging/qscriptdebuggercommandexecutor.cpp
@@ -100,12 +100,18 @@ QScriptDebuggerCommandExecutor::~QScriptDebuggerCommandExecutor()
 {
 }
 
+static bool isPrefixOf(const QString &prefix, const QString &what)
+{
+    return ((what.length() > prefix.length())
+            && what.startsWith(prefix));
+}
+
 /*!
   Applies the given \a command to the given \a backend.
 */
 QScriptDebuggerResponse QScriptDebuggerCommandExecutor::execute(
-        QScriptDebuggerBackend *backend,
-        const QScriptDebuggerCommand &command)
+    QScriptDebuggerBackend *backend,
+    const QScriptDebuggerCommand &command)
 {
     QScriptDebuggerResponse response;
     switch (command.type()) {
@@ -299,6 +305,104 @@ QScriptDebuggerResponse QScriptDebuggerCommandExecutor::execute(
         response.setResult(qVariantFromValue(backend->contextsCheckpoint()));
     }   break;
 
+    case QScriptDebuggerCommand::GetPropertyExpressionValue: {
+        QScriptContext *ctx = backend->context(command.contextIndex());
+        int lineNumber = command.lineNumber();
+        QVariant attr = command.attribute(QScriptDebuggerCommand::UserAttribute);
+        QStringList path = attr.toStringList();
+        if (!ctx || path.isEmpty())
+            break;
+        QScriptContextInfo ctxInfo(ctx);
+        if (ctx->callee().isValid()
+            && ((lineNumber < ctxInfo.functionStartLineNumber())
+                || (lineNumber > ctxInfo.functionEndLineNumber()))) {
+            break;
+        }
+        QScriptValueList objects;
+        int pathIndex = 0;
+        if (path.at(0) == QLatin1String("this")) {
+            objects.append(ctx->thisObject());
+            ++pathIndex;
+        } else {
+            objects << ctx->scopeChain();
+        }
+        for (int i = 0; i < objects.size(); ++i) {
+            QScriptValue val = objects.at(i);
+            for (int j = pathIndex; val.isValid() && (j < path.size()); ++j) {
+                val = val.property(path.at(j));
+            }
+            if (val.isValid()) {
+                bool hadException = (ctx->state() == QScriptContext::ExceptionState);
+                QString str = val.toString();
+                if (!hadException && backend->engine()->hasUncaughtException())
+                    backend->engine()->clearExceptions();
+                response.setResult(str);
+                break;
+            }
+        }
+    }   break;
+
+    case QScriptDebuggerCommand::GetCompletions: {
+        QScriptContext *ctx = backend->context(command.contextIndex());
+        QVariant attr = command.attribute(QScriptDebuggerCommand::UserAttribute);
+        QStringList path = attr.toStringList();
+        if (!ctx || path.isEmpty())
+            break;
+        QScriptValueList objects;
+        QString prefix = path.last();
+        QSet<QString> matches;
+        if (path.size() > 1) {
+            const QString &topLevelIdent = path.at(0);
+            QScriptValue obj;
+            if (topLevelIdent == QLatin1String("this")) {
+                obj = ctx->thisObject();
+            } else {
+                QScriptValueList scopeChain;
+                scopeChain = ctx->scopeChain();
+                for (int i = 0; i < scopeChain.size(); ++i) {
+                    QScriptValue oo = scopeChain.at(i).property(topLevelIdent);
+                    if (oo.isObject()) {
+                        obj = oo;
+                        break;
+                    }
+                }
+            }
+            for (int i = 1; obj.isObject() && (i < path.size()-1); ++i)
+                obj = obj.property(path.at(i));
+            if (obj.isValid())
+                objects.append(obj);
+        } else {
+            objects << ctx->scopeChain();
+            QStringList keywords;
+            keywords.append(QString::fromLatin1("this"));
+            keywords.append(QString::fromLatin1("true"));
+            keywords.append(QString::fromLatin1("false"));
+            keywords.append(QString::fromLatin1("null"));
+            for (int i = 0; i < keywords.size(); ++i) {
+                const QString &kwd = keywords.at(i);
+                if (isPrefixOf(prefix, kwd))
+                    matches.insert(kwd);
+            }
+        }
+
+        for (int i = 0; i < objects.size(); ++i) {
+            QScriptValue obj = objects.at(i);
+            while (obj.isObject()) {
+                QScriptValueIterator it(obj);
+                while (it.hasNext()) {
+                    it.next();
+                    QString propertyName = it.name();
+                    if (isPrefixOf(prefix, propertyName))
+                        matches.insert(propertyName);
+                }
+                obj = obj.prototype();
+            }
+        }
+        QStringList matchesList = matches.toList();
+        qStableSort(matchesList);
+        response.setResult(matchesList);
+    }   break;
+
     case QScriptDebuggerCommand::NewScriptObjectSnapshot: {
         int id = backend->newScriptObjectSnapshot();
         response.setResult(id);
diff --git a/src/scripttools/debugging/qscriptdebuggercommandschedulerfrontend.cpp b/src/scripttools/debugging/qscriptdebuggercommandschedulerfrontend.cpp
index 1e20ab4..83e634e 100644
--- a/src/scripttools/debugging/qscriptdebuggercommandschedulerfrontend.cpp
+++ b/src/scripttools/debugging/qscriptdebuggercommandschedulerfrontend.cpp
@@ -251,6 +251,17 @@ int QScriptDebuggerCommandSchedulerFrontend::scheduleContextsCheckpoint()
     return scheduleCommand(QScriptDebuggerCommand::contextsCheckpoint());
 }
 
+int QScriptDebuggerCommandSchedulerFrontend::scheduleGetPropertyExpressionValue(
+    int contextIndex, int lineNumber, const QStringList &path)
+{
+    return scheduleCommand(QScriptDebuggerCommand::getPropertyExpressionValue(contextIndex, lineNumber, path));
+}
+
+int QScriptDebuggerCommandSchedulerFrontend::scheduleGetCompletions(int contextIndex, const QStringList &path)
+{
+    return scheduleCommand(QScriptDebuggerCommand::getCompletions(contextIndex, path));
+}
+
 int QScriptDebuggerCommandSchedulerFrontend::scheduleEvaluate(int contextIndex,
                                               const QString &program,
                                               const QString &fileName,
diff --git a/src/scripttools/debugging/qscriptdebuggercommandschedulerfrontend_p.h b/src/scripttools/debugging/qscriptdebuggercommandschedulerfrontend_p.h
index ed9cbf9..9a1a36d 100644
--- a/src/scripttools/debugging/qscriptdebuggercommandschedulerfrontend_p.h
+++ b/src/scripttools/debugging/qscriptdebuggercommandschedulerfrontend_p.h
@@ -109,6 +109,9 @@ public:
      int scheduleGetActivationObject(int contextIndex);
      int scheduleGetScopeChain(int contextIndex);
      int scheduleContextsCheckpoint();
+     int scheduleGetPropertyExpressionValue(int contextIndex, int lineNumber,
+                                            const QStringList &path);
+     int scheduleGetCompletions(int contextIndex, const QStringList &path);
 
      // iteration
      int scheduleNewScriptValueIterator(const QScriptDebuggerValue &object);
diff --git a/src/scripttools/debugging/qscriptdebuggerconsole.cpp b/src/scripttools/debugging/qscriptdebuggerconsole.cpp
index 09a32db..3783050 100644
--- a/src/scripttools/debugging/qscriptdebuggerconsole.cpp
+++ b/src/scripttools/debugging/qscriptdebuggerconsole.cpp
@@ -163,10 +163,10 @@ QScriptDebuggerConsoleCommandJob *QScriptDebuggerConsolePrivate::createJob(
                            .arg(name));
                 for (int j = 0; j < completions.size(); ++j) {
                     if (j > 0)
-                        msg.append(QString::fromLatin1(", "));
+                        msg.append(QLatin1String(", "));
                     msg.append(completions.at(j));
                 }
-                msg.append(QString::fromLatin1("."));
+                msg.append(QLatin1Char('.'));
                 messageHandler->message(QtWarningMsg, msg);
                 return 0;
             }
diff --git a/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp b/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp
index caeb971..e096ba8 100644
--- a/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp
+++ b/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp
@@ -807,7 +807,7 @@ QVariant QScriptDebuggerLocalsModel::data(const QModelIndex &index, int role) co
             QString str = node->property.valueAsString();
             if (node->property.value().type() == QScriptDebuggerValue::StringValue) {
                 // escape
-                str.replace(QLatin1String("\""), QLatin1String("\\\""));
+                str.replace(QLatin1Char('\"'), QLatin1String("\\\""));
                 str.prepend(QLatin1Char('\"'));
                 str.append(QLatin1Char('\"'));
             }
diff --git a/src/scripttools/debugging/qscriptdebuggerobjectsnapshotdelta_p.h b/src/scripttools/debugging/qscriptdebuggerobjectsnapshotdelta_p.h
index e3ec541..546ed7f 100644
--- a/src/scripttools/debugging/qscriptdebuggerobjectsnapshotdelta_p.h
+++ b/src/scripttools/debugging/qscriptdebuggerobjectsnapshotdelta_p.h
@@ -60,6 +60,8 @@
 
 QT_BEGIN_NAMESPACE
 
+class QDataStream;
+
 class Q_AUTOTEST_EXPORT QScriptDebuggerObjectSnapshotDelta
 {
 public:
@@ -68,6 +70,9 @@ public:
     QScriptDebuggerValuePropertyList addedProperties;
 };
 
+Q_AUTOTEST_EXPORT QDataStream &operator<<(QDataStream &, const QScriptDebuggerObjectSnapshotDelta &);
+Q_AUTOTEST_EXPORT QDataStream &operator>>(QDataStream &, QScriptDebuggerObjectSnapshotDelta &);
+
 QT_END_NAMESPACE
 
 #endif
diff --git a/src/scripttools/debugging/qscriptdebuggerstandardwidgetfactory.cpp b/src/scripttools/debugging/qscriptdebuggerstandardwidgetfactory.cpp
new file mode 100644
index 0000000..09d6f2f
--- /dev/null
+++ b/src/scripttools/debugging/qscriptdebuggerstandardwidgetfactory.cpp
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtSCriptTools module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qscriptdebuggerstandardwidgetfactory_p.h"
+#include "qscriptdebuggerconsolewidget_p.h"
+#include "qscriptdebuggerstackwidget_p.h"
+#include "qscriptdebuggerscriptswidget_p.h"
+#include "qscriptdebuggerlocalswidget_p.h"
+#include "qscriptdebuggercodewidget_p.h"
+#include "qscriptdebuggercodefinderwidget_p.h"
+#include "qscriptbreakpointswidget_p.h"
+#include "qscriptdebugoutputwidget_p.h"
+#include "qscripterrorlogwidget_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QScriptDebuggerStandardWidgetFactory::QScriptDebuggerStandardWidgetFactory(QObject *parent)
+    : QObject(parent)
+{
+}
+
+QScriptDebuggerStandardWidgetFactory::~QScriptDebuggerStandardWidgetFactory()
+{
+}
+
+QScriptDebugOutputWidgetInterface *QScriptDebuggerStandardWidgetFactory::createDebugOutputWidget()
+{
+    return new QScriptDebugOutputWidget();
+}
+
+QScriptDebuggerConsoleWidgetInterface *QScriptDebuggerStandardWidgetFactory::createConsoleWidget()
+{
+    return new QScriptDebuggerConsoleWidget();
+}
+
+QScriptErrorLogWidgetInterface *QScriptDebuggerStandardWidgetFactory::createErrorLogWidget()
+{
+    return new QScriptErrorLogWidget();
+}
+
+QScriptDebuggerCodeFinderWidgetInterface *QScriptDebuggerStandardWidgetFactory::createCodeFinderWidget()
+{
+    return new QScriptDebuggerCodeFinderWidget();
+}
+
+QScriptDebuggerStackWidgetInterface *QScriptDebuggerStandardWidgetFactory::createStackWidget()
+{
+    return new QScriptDebuggerStackWidget();
+}
+
+QScriptDebuggerScriptsWidgetInterface *QScriptDebuggerStandardWidgetFactory::createScriptsWidget()
+{
+    return new QScriptDebuggerScriptsWidget();
+}
+
+QScriptDebuggerLocalsWidgetInterface *QScriptDebuggerStandardWidgetFactory::createLocalsWidget()
+{
+    return new QScriptDebuggerLocalsWidget();
+}
+
+QScriptDebuggerCodeWidgetInterface *QScriptDebuggerStandardWidgetFactory::createCodeWidget()
+{
+    return new QScriptDebuggerCodeWidget();
+}
+
+QScriptBreakpointsWidgetInterface *QScriptDebuggerStandardWidgetFactory::createBreakpointsWidget()
+{
+    return new QScriptBreakpointsWidget();
+}
+
+QT_END_NAMESPACE
diff --git a/src/scripttools/debugging/qscriptdebuggerstandardwidgetfactory_p.h b/src/scripttools/debugging/qscriptdebuggerstandardwidgetfactory_p.h
new file mode 100644
index 0000000..bfce66e
--- /dev/null
+++ b/src/scripttools/debugging/qscriptdebuggerstandardwidgetfactory_p.h
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtSCriptTools module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSCRIPTDEBUGGERSTANDARDWIDGETFACTORY_P_H
+#define QSCRIPTDEBUGGERSTANDARDWIDGETFACTORY_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qobject.h>
+
+#include "qscriptdebuggerwidgetfactoryinterface_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class Q_AUTOTEST_EXPORT QScriptDebuggerStandardWidgetFactory
+    : public QObject, public QScriptDebuggerWidgetFactoryInterface
+{
+public:
+    QScriptDebuggerStandardWidgetFactory(QObject *parent = 0);
+    virtual ~QScriptDebuggerStandardWidgetFactory();
+
+    QScriptDebugOutputWidgetInterface *createDebugOutputWidget();
+    QScriptDebuggerConsoleWidgetInterface *createConsoleWidget();
+    QScriptErrorLogWidgetInterface *createErrorLogWidget();
+    QScriptDebuggerCodeFinderWidgetInterface *createCodeFinderWidget();
+    QScriptDebuggerStackWidgetInterface *createStackWidget();
+    QScriptDebuggerScriptsWidgetInterface *createScriptsWidget();
+    QScriptDebuggerLocalsWidgetInterface *createLocalsWidget();
+    QScriptDebuggerCodeWidgetInterface *createCodeWidget();
+    QScriptBreakpointsWidgetInterface *createBreakpointsWidget();
+
+private:
+    Q_DISABLE_COPY(QScriptDebuggerStandardWidgetFactory)
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/scripttools/debugging/qscriptdebuggervalueproperty.cpp b/src/scripttools/debugging/qscriptdebuggervalueproperty.cpp
index 63f820b..8a144c5 100644
--- a/src/scripttools/debugging/qscriptdebuggervalueproperty.cpp
+++ b/src/scripttools/debugging/qscriptdebuggervalueproperty.cpp
@@ -41,6 +41,7 @@
 
 #include "qscriptdebuggervalueproperty_p.h"
 #include "qscriptdebuggervalue_p.h"
+#include "qscriptdebuggerobjectsnapshotdelta_p.h"
 
 #include <QtCore/qatomic.h>
 #include <QtCore/qdatastream.h>
@@ -215,4 +216,20 @@ QDataStream &operator>>(QDataStream &in, QScriptDebuggerValueProperty &property)
     return in;
 }
 
+QDataStream &operator<<(QDataStream &out, const QScriptDebuggerObjectSnapshotDelta &delta)
+{
+    out << delta.removedProperties;
+    out << delta.changedProperties;
+    out << delta.addedProperties;
+    return out;
+}
+
+QDataStream &operator>>(QDataStream &in, QScriptDebuggerObjectSnapshotDelta &delta)
+{
+    in >> delta.removedProperties;
+    in >> delta.changedProperties;
+    in >> delta.addedProperties;
+    return in;
+}
+
 QT_END_NAMESPACE
diff --git a/src/scripttools/debugging/qscriptdebuggerwidgetfactoryinterface_p.h b/src/scripttools/debugging/qscriptdebuggerwidgetfactoryinterface_p.h
index 9ad1eeb..ea22793 100644
--- a/src/scripttools/debugging/qscriptdebuggerwidgetfactoryinterface_p.h
+++ b/src/scripttools/debugging/qscriptdebuggerwidgetfactoryinterface_p.h
@@ -61,6 +61,11 @@ class QScriptDebugOutputWidgetInterface;
 class QScriptDebuggerConsoleWidgetInterface;
 class QScriptErrorLogWidgetInterface;
 class QScriptDebuggerCodeFinderWidgetInterface;
+class QScriptDebuggerStackWidgetInterface;
+class QScriptDebuggerScriptsWidgetInterface;
+class QScriptDebuggerLocalsWidgetInterface;
+class QScriptDebuggerCodeWidgetInterface;
+class QScriptBreakpointsWidgetInterface;
 
 class Q_AUTOTEST_EXPORT QScriptDebuggerWidgetFactoryInterface
 {
@@ -71,6 +76,11 @@ public:
     virtual QScriptDebuggerConsoleWidgetInterface *createConsoleWidget() = 0;
     virtual QScriptErrorLogWidgetInterface *createErrorLogWidget() = 0;
     virtual QScriptDebuggerCodeFinderWidgetInterface *createCodeFinderWidget() = 0;
+    virtual QScriptDebuggerStackWidgetInterface *createStackWidget() = 0;
+    virtual QScriptDebuggerScriptsWidgetInterface *createScriptsWidget() = 0;
+    virtual QScriptDebuggerLocalsWidgetInterface *createLocalsWidget() = 0;
+    virtual QScriptDebuggerCodeWidgetInterface *createCodeWidget() = 0;
+    virtual QScriptBreakpointsWidgetInterface *createBreakpointsWidget() = 0;
 };
 
 QT_END_NAMESPACE
diff --git a/src/scripttools/debugging/qscriptenginedebugger.cpp b/src/scripttools/debugging/qscriptenginedebugger.cpp
index 0f8b600..a278e14 100644
--- a/src/scripttools/debugging/qscriptenginedebugger.cpp
+++ b/src/scripttools/debugging/qscriptenginedebugger.cpp
@@ -42,16 +42,7 @@
 #include "qscriptenginedebugger.h"
 #include "qscriptdebugger_p.h"
 #include "qscriptenginedebuggerfrontend_p.h"
-#include "qscriptdebuggerconsolewidget_p.h"
-#include "qscriptdebuggerstackwidget_p.h"
-#include "qscriptdebuggerscriptswidget_p.h"
-#include "qscriptdebuggerlocalswidget_p.h"
-#include "qscriptdebuggercodewidget_p.h"
-#include "qscriptdebuggercodefinderwidget_p.h"
-#include "qscriptbreakpointswidget_p.h"
-#include "qscriptdebugoutputwidget_p.h"
-#include "qscripterrorlogwidget_p.h"
-#include "qscriptdebuggerwidgetfactoryinterface_p.h"
+#include "qscriptdebuggerstandardwidgetfactory_p.h"
 #include <private/qobject_p.h>
 
 #include <QtCore/qsettings.h>
@@ -238,19 +229,13 @@ public:
 */
 
 class QScriptEngineDebuggerPrivate
-    : public QObjectPrivate,
-      public QScriptDebuggerWidgetFactoryInterface
+    : public QObjectPrivate
 {
     Q_DECLARE_PUBLIC(QScriptEngineDebugger)
 public:
     QScriptEngineDebuggerPrivate();
     ~QScriptEngineDebuggerPrivate();
 
-    QScriptDebugOutputWidgetInterface *createDebugOutputWidget();
-    QScriptDebuggerConsoleWidgetInterface *createConsoleWidget();
-    QScriptErrorLogWidgetInterface *createErrorLogWidget();
-    QScriptDebuggerCodeFinderWidgetInterface *createCodeFinderWidget();
-
     // private slots
     void _q_showStandardWindow();
 
@@ -320,26 +305,6 @@ QScriptEngineDebuggerPrivate::~QScriptEngineDebuggerPrivate()
     }
 }
 
-QScriptDebugOutputWidgetInterface *QScriptEngineDebuggerPrivate::createDebugOutputWidget()
-{
-    return new QScriptDebugOutputWidget();
-}
-
-QScriptDebuggerConsoleWidgetInterface *QScriptEngineDebuggerPrivate::createConsoleWidget()
-{
-    return new QScriptDebuggerConsoleWidget();
-}
-
-QScriptErrorLogWidgetInterface *QScriptEngineDebuggerPrivate::createErrorLogWidget()
-{
-    return new QScriptErrorLogWidget();
-}
-
-QScriptDebuggerCodeFinderWidgetInterface *QScriptEngineDebuggerPrivate::createCodeFinderWidget()
-{
-    return new QScriptDebuggerCodeFinderWidget();
-}
-
 void QScriptEngineDebuggerPrivate::_q_showStandardWindow()
 {
     Q_Q(QScriptEngineDebugger);
@@ -352,7 +317,7 @@ void QScriptEngineDebuggerPrivate::createDebugger()
     Q_Q(QScriptEngineDebugger);
     if (!debugger) {
         debugger = new QScriptDebugger();
-        debugger->setWidgetFactory(this);
+        debugger->setWidgetFactory(new QScriptDebuggerStandardWidgetFactory(q));
         QObject::connect(debugger, SIGNAL(started()),
                          q, SIGNAL(evaluationResumed()));
         QObject::connect(debugger, SIGNAL(stopped()),
@@ -447,81 +412,7 @@ QWidget *QScriptEngineDebugger::widget(DebuggerWidget widget) const
 {
     Q_D(const QScriptEngineDebugger);
     const_cast<QScriptEngineDebuggerPrivate*>(d)->createDebugger();
-    switch (widget) {
-    case ConsoleWidget: {
-        QScriptDebuggerConsoleWidgetInterface *w = d->debugger->consoleWidget();
-        if (!w) {
-            w = new QScriptDebuggerConsoleWidget();
-            d->debugger->setConsoleWidget(w);
-        }
-        return w;
-    }
-    case StackWidget: {
-        QScriptDebuggerStackWidgetInterface *w = d->debugger->stackWidget();
-        if (!w) {
-            w = new QScriptDebuggerStackWidget();
-            d->debugger->setStackWidget(w);
-        }
-        return w;
-    }
-    case ScriptsWidget: {
-        QScriptDebuggerScriptsWidgetInterface *w = d->debugger->scriptsWidget();
-        if (!w) {
-            w = new QScriptDebuggerScriptsWidget();
-            d->debugger->setScriptsWidget(w);
-        }
-        return w;
-    }
-    case LocalsWidget: {
-        QScriptDebuggerLocalsWidgetInterface *w = d->debugger->localsWidget();
-        if (!w) {
-            w = new QScriptDebuggerLocalsWidget();
-            d->debugger->setLocalsWidget(w);
-        }
-        return w;
-    }
-    case CodeWidget: {
-        QScriptDebuggerCodeWidgetInterface *w = d->debugger->codeWidget();
-        if (!w) {
-            w = new QScriptDebuggerCodeWidget();
-            d->debugger->setCodeWidget(w);
-        }
-        return w;
-    }
-    case CodeFinderWidget: {
-        QScriptDebuggerCodeFinderWidgetInterface *w = d->debugger->codeFinderWidget();
-        if (!w) {
-            w = new QScriptDebuggerCodeFinderWidget();
-            d->debugger->setCodeFinderWidget(w);
-        }
-        return w;
-    }
-    case BreakpointsWidget: {
-        QScriptBreakpointsWidgetInterface *w = d->debugger->breakpointsWidget();
-        if (!w) {
-            w = new QScriptBreakpointsWidget();
-            d->debugger->setBreakpointsWidget(w);
-        }
-        return w;
-    }
-    case DebugOutputWidget: {
-        QScriptDebugOutputWidgetInterface *w = d->debugger->debugOutputWidget();
-        if (!w) {
-            w = new QScriptDebugOutputWidget();
-            d->debugger->setDebugOutputWidget(w);
-        }
-        return w;
-    }
-    case ErrorLogWidget: {
-        QScriptErrorLogWidgetInterface *w = d->debugger->errorLogWidget();
-        if (!w) {
-            w = new QScriptErrorLogWidget();
-            d->debugger->setErrorLogWidget(w);
-        }
-        return w;
-    }
-    }
-    return 0;
+    return d->debugger->widget(static_cast<QScriptDebugger::DebuggerWidget>(widget));
 }
 
 /*!
@@ -545,39 +436,7 @@ QAction *QScriptEngineDebugger::action(DebuggerAction action) const
     Q_D(const QScriptEngineDebugger);
     QScriptEngineDebugger *that = const_cast<QScriptEngineDebugger*>(this);
     that->d_func()->createDebugger();
-    switch (action) {
-    case InterruptAction:
-        return d->debugger->interruptAction(that);
-    case ContinueAction:
-        return d->debugger->continueAction(that);
-    case StepIntoAction:
-        return d->debugger->stepIntoAction(that);
-    case StepOverAction:
-        return d->debugger->stepOverAction(that);
-    case StepOutAction:
-        return d->debugger->stepOutAction(that);
-    case RunToCursorAction:
-        return d->debugger->runToCursorAction(that);
-    case RunToNewScriptAction:
-        return d->debugger->runToNewScriptAction(that);
-    case ToggleBreakpointAction:
-        return d->debugger->toggleBreakpointAction(that);
-    case ClearDebugOutputAction:
-        return d->debugger->clearDebugOutputAction(that);
-    case ClearErrorLogAction:
-        return d->debugger->clearErrorLogAction(that);
-    case ClearConsoleAction:
-        return d->debugger->clearConsoleAction(that);
-    case FindInScriptAction:
-        return d->debugger->findInScriptAction(that);
-    case FindNextInScriptAction:
-        return d->debugger->findNextInScriptAction(that);
-    case FindPreviousInScriptAction:
-        return d->debugger->findPreviousInScriptAction(that);
-    case GoToLineAction:
-        return d->debugger->goToLineAction(that);
-    }
-    return 0;
+    return d->debugger->action(static_cast<QScriptDebugger::DebuggerAction>(action), that);
 }
 
 /*!
diff --git a/src/scripttools/debugging/qscripttooltipproviderinterface_p.h b/src/scripttools/debugging/qscripttooltipproviderinterface_p.h
index 0a273d9..463f087 100644
--- a/src/scripttools/debugging/qscripttooltipproviderinterface_p.h
+++ b/src/scripttools/debugging/qscripttooltipproviderinterface_p.h
@@ -57,6 +57,7 @@
 
 QT_BEGIN_NAMESPACE
 
+class QPoint;
 class QStringList;
 
 class Q_AUTOTEST_EXPORT QScriptToolTipProviderInterface
@@ -64,8 +65,8 @@ class Q_AUTOTEST_EXPORT QScriptToolTipProviderInterface
 public:
     virtual ~QScriptToolTipProviderInterface() {}
 
-    virtual QString toolTip(int frameIndex, int lineNumber,
-                            const QStringList &path) = 0;
+    virtual void showToolTip(const QPoint &pos, int frameIndex,
+                             int lineNumber, const QStringList &path) = 0;
 };
 
 QT_END_NAMESPACE