Long live Qt 4.5!

17 files changed, 3322 insertions, 0 deletions

diff --git a/tools/designer/src/components/signalsloteditor/connectdialog.cpp b/tools/designer/src/components/signalsloteditor/connectdialog.cpp
new file mode 100644
index 0000000..d9b8ed5
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/connectdialog.cpp
@@ -0,0 +1,335 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 "connectdialog_p.h"
+#include "signalslot_utils_p.h"
+
+#include <signalslotdialog_p.h>
+#include <metadatabase_p.h>
+
+#include <QtDesigner/QDesignerFormWindowInterface>
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerWidgetDataBaseInterface>
+#include <QtDesigner/QExtensionManager>
+#include <QtDesigner/QDesignerLanguageExtension>
+
+#include <QtGui/QPushButton>
+
+QT_BEGIN_NAMESPACE
+
+namespace {
+    typedef QList<QListWidgetItem*> ListWidgetItems;
+}
+
+static QString realClassName(QDesignerFormEditorInterface *core, QWidget *widget)
+{
+    QString class_name = QLatin1String(widget->metaObject()->className());
+    const QDesignerWidgetDataBaseInterface *wdb = core->widgetDataBase();
+    const int idx = wdb->indexOfObject(widget);
+    if (idx != -1)
+        class_name = wdb->item(idx)->name();
+    return class_name;
+}
+
+static QString widgetLabel(QDesignerFormEditorInterface *core, QWidget *widget)
+{
+    return QString::fromUtf8("%1 (%2)")
+            .arg(qdesigner_internal::realObjectName(core, widget))
+            .arg(realClassName(core, widget));
+}
+
+namespace qdesigner_internal {
+
+ConnectDialog::ConnectDialog(QDesignerFormWindowInterface *formWindow,
+                             QWidget *source, QWidget *destination,
+                             QWidget *parent) :
+    QDialog(parent),
+    m_source(source),
+    m_destination(destination),
+    m_sourceMode(widgetMode(m_source, formWindow)),
+    m_destinationMode(widgetMode(m_destination, formWindow)),
+    m_formWindow(formWindow)
+{
+    m_ui.setupUi(this);
+
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+    connect(m_ui.signalList, SIGNAL(itemClicked(QListWidgetItem*)),
+            this, SLOT(selectSignal(QListWidgetItem*)));
+    connect(m_ui.slotList, SIGNAL(itemClicked(QListWidgetItem*)),
+            this,  SLOT(selectSlot(QListWidgetItem*)));
+    m_ui.slotList->setEnabled(false);
+
+    QPushButton *ok_button = okButton();
+    ok_button->setDefault(true);
+    ok_button->setEnabled(false);
+
+    connect(m_ui.showAllCheckBox, SIGNAL(toggled(bool)), this, SLOT(populateLists()));
+
+    QDesignerFormEditorInterface *core = m_formWindow->core();
+    m_ui.signalGroupBox->setTitle(widgetLabel(core, source));
+    m_ui.slotGroupBox->setTitle(widgetLabel(core, destination));
+
+    m_ui.editSignalsButton->setEnabled(m_sourceMode != NormalWidget);
+    connect(m_ui.editSignalsButton, SIGNAL(clicked()), this, SLOT(editSignals()));
+
+    m_ui.editSlotsButton->setEnabled(m_destinationMode != NormalWidget);
+    connect(m_ui.editSlotsButton,   SIGNAL(clicked()), this, SLOT(editSlots()));
+
+    populateLists();
+}
+
+ConnectDialog::WidgetMode ConnectDialog::widgetMode(QWidget *w,  QDesignerFormWindowInterface *formWindow)
+{
+    QDesignerFormEditorInterface *core = formWindow->core();
+    if (qt_extension<QDesignerLanguageExtension*>(core->extensionManager(), core))
+        return NormalWidget;
+
+    if (w == formWindow || formWindow->mainContainer() == w)
+        return MainContainer;
+
+    if (isPromoted(formWindow->core(), w))
+        return PromotedWidget;
+
+    return NormalWidget;
+}
+
+QPushButton *ConnectDialog::okButton()
+{
+    return m_ui.buttonBox->button(QDialogButtonBox::Ok);
+}
+
+void ConnectDialog::setOkButtonEnabled(bool e)
+{
+    okButton()->setEnabled(e);
+}
+
+void ConnectDialog::populateLists()
+{
+    populateSignalList();
+}
+
+void ConnectDialog::setSignalSlot(const QString &signal, const QString &slot)
+{
+    ListWidgetItems sigItems = m_ui.signalList->findItems(signal, Qt::MatchExactly);
+
+    if (sigItems.empty()) {
+        m_ui.showAllCheckBox->setChecked(true);
+        sigItems = m_ui.signalList->findItems(signal, Qt::MatchExactly);
+    }
+
+    if (!sigItems.empty()) {
+        selectSignal(sigItems.front());
+        ListWidgetItems slotItems = m_ui.slotList->findItems(slot, Qt::MatchExactly);
+        if (slotItems.empty()) {
+            m_ui.showAllCheckBox->setChecked(true);
+            slotItems = m_ui.slotList->findItems(slot, Qt::MatchExactly);
+        }
+        if (!slotItems.empty())
+            selectSlot(slotItems.front());
+    }
+}
+
+bool ConnectDialog::showAllSignalsSlots() const
+{
+    return m_ui.showAllCheckBox->isChecked();
+}
+
+void ConnectDialog::setShowAllSignalsSlots(bool showIt)
+{
+    m_ui.showAllCheckBox->setChecked(showIt);
+}
+
+void ConnectDialog::selectSignal(QListWidgetItem *item)
+{
+    if (item) {
+        m_ui.signalList->setCurrentItem(item);
+        populateSlotList(item->text());
+        m_ui.slotList->setEnabled(true);
+        setOkButtonEnabled(!m_ui.slotList->selectedItems().isEmpty());
+    } else {
+        m_ui.signalList->clearSelection();
+        populateSlotList();
+        m_ui.slotList->setEnabled(false);
+        setOkButtonEnabled(false);
+    }
+}
+
+void ConnectDialog::selectSlot(QListWidgetItem *item)
+{
+    if (item) {
+        m_ui.slotList->setCurrentItem(item);
+    } else {
+        m_ui.slotList->clearSelection();
+    }
+    setOkButtonEnabled(true);
+}
+
+QString ConnectDialog::signal() const
+{
+    const ListWidgetItems item_list = m_ui.signalList->selectedItems();
+    if (item_list.size() != 1)
+        return QString();
+    return item_list.at(0)->text();
+}
+
+QString ConnectDialog::slot() const
+{
+    const ListWidgetItems item_list = m_ui.slotList->selectedItems();
+    if (item_list.size() != 1)
+        return QString();
+    return item_list.at(0)->text();
+}
+
+void ConnectDialog::populateSlotList(const QString &signal)
+{
+    QString selectedName;
+    if (const QListWidgetItem * item = m_ui.slotList->currentItem())
+        selectedName = item->text();
+
+    m_ui.slotList->clear();
+
+    QMap<QString, QString> memberToClassName = getMatchingSlots(m_formWindow->core(), m_destination, signal, showAllSignalsSlots());
+
+    QFont font = QApplication::font();
+    font.setItalic(true);
+    QVariant variantFont = qVariantFromValue(font);
+
+    QListWidgetItem *curr = 0;
+    QMap<QString, QString>::ConstIterator itMember = memberToClassName.constBegin();
+    const QMap<QString, QString>::ConstIterator itMemberEnd = memberToClassName.constEnd();
+    while (itMember != itMemberEnd) {
+        const QString member = itMember.key();
+        const bool qt3Slot = isQt3Slot(m_formWindow->core(), m_destination, member);
+
+        QListWidgetItem *item = new QListWidgetItem(m_ui.slotList);
+        item->setText(member);
+        if (member == selectedName)
+            curr = item;
+
+        if (qt3Slot) {
+            item->setData(Qt::FontRole, variantFont);
+            item->setData(Qt::ForegroundRole, Qt::red);
+        }
+        ++itMember;
+    }
+
+    if (curr)
+        m_ui.slotList->setCurrentItem(curr);
+
+    if (m_ui.slotList->selectedItems().isEmpty())
+        setOkButtonEnabled(false);
+}
+
+void ConnectDialog::populateSignalList()
+{
+    QString selectedName;
+    if (const QListWidgetItem *item = m_ui.signalList->currentItem())
+        selectedName = item->text();
+
+    m_ui.signalList->clear();
+
+    QMap<QString, QString> memberToClassName = getSignals(m_formWindow->core(), m_source, showAllSignalsSlots());
+
+    QFont font = QApplication::font();
+    font.setItalic(true);
+    QVariant variantFont = qVariantFromValue(font);
+
+    QListWidgetItem *curr = 0;
+    QMap<QString, QString>::ConstIterator itMember = memberToClassName.constBegin();
+    const QMap<QString, QString>::ConstIterator itMemberEnd = memberToClassName.constEnd();
+    while (itMember != itMemberEnd) {
+        const QString member = itMember.key();
+        const bool qt3Signal = isQt3Signal(m_formWindow->core(), m_source, member);
+
+        QListWidgetItem *item = new QListWidgetItem(m_ui.signalList);
+        item->setText(member);
+        if (!selectedName.isEmpty() && member == selectedName)
+            curr = item;
+
+        if (qt3Signal) {
+            item->setData(Qt::FontRole, variantFont);
+            item->setData(Qt::ForegroundRole, Qt::red);
+        }
+        ++itMember;
+    }
+
+    if (curr) {
+        m_ui.signalList->setCurrentItem(curr);
+    } else {
+        selectedName.clear();
+    }
+
+    populateSlotList(selectedName);
+    if (!curr)
+        m_ui.slotList->setEnabled(false);
+}
+
+void ConnectDialog::editSignals()
+{
+    editSignalsSlots(m_source, m_sourceMode, SignalSlotDialog::FocusSignals);
+}
+
+void ConnectDialog::editSlots()
+{
+    editSignalsSlots(m_destination, m_destinationMode, SignalSlotDialog::FocusSlots);
+}
+
+void ConnectDialog::editSignalsSlots(QWidget *w, WidgetMode mode, int signalSlotDialogModeInt)
+{
+    const SignalSlotDialog::FocusMode signalSlotDialogMode = static_cast<SignalSlotDialog::FocusMode>(signalSlotDialogModeInt);
+    switch (mode) {
+    case  NormalWidget:
+        break;
+    case MainContainer:
+        if (SignalSlotDialog::editMetaDataBase(m_formWindow, w, this, signalSlotDialogMode))
+            populateLists();
+        break;
+    case PromotedWidget:
+        if (SignalSlotDialog::editPromotedClass(m_formWindow->core(), w, this, signalSlotDialogMode))
+            populateLists();
+        break;
+    }
+}
+
+}
+
+QT_END_NAMESPACE
diff --git a/tools/designer/src/components/signalsloteditor/connectdialog.ui b/tools/designer/src/components/signalsloteditor/connectdialog.ui
new file mode 100644
index 0000000..bd062eb
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/connectdialog.ui
@@ -0,0 +1,150 @@
+<ui version="4.0" >
+ <class>ConnectDialog</class>
+ <widget class="QDialog" name="ConnectDialog" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>585</width>
+    <height>361</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>Configure Connection</string>
+  </property>
+  <layout class="QGridLayout" >
+   <item row="0" column="0" colspan="2" >
+    <widget class="QGroupBox" name="signalGroupBox" >
+     <property name="title" >
+      <string>GroupBox</string>
+     </property>
+     <layout class="QVBoxLayout" >
+      <item>
+       <widget class="QListWidget" name="signalList" >
+        <property name="textElideMode" >
+         <enum>Qt::ElideMiddle</enum>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <layout class="QHBoxLayout" >
+        <item>
+         <widget class="QToolButton" name="editSignalsButton" >
+          <property name="text" >
+           <string>Edit...</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer>
+          <property name="orientation" >
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" >
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="0" column="2" >
+    <widget class="QGroupBox" name="slotGroupBox" >
+     <property name="title" >
+      <string>GroupBox</string>
+     </property>
+     <layout class="QVBoxLayout" >
+      <item>
+       <widget class="QListWidget" name="slotList" >
+        <property name="textElideMode" >
+         <enum>Qt::ElideMiddle</enum>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <layout class="QHBoxLayout" >
+        <item>
+         <widget class="QToolButton" name="editSlotsButton" >
+          <property name="text" >
+           <string>Edit...</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer>
+          <property name="orientation" >
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" >
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="1" column="0" >
+    <widget class="QCheckBox" name="showAllCheckBox" >
+     <property name="text" >
+      <string>Show signals and slots inherited from QWidget</string>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="1" colspan="2" >
+    <widget class="QDialogButtonBox" name="buttonBox" >
+     <property name="orientation" >
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons" >
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::NoButton|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>ConnectDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>ConnectDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/tools/designer/src/components/signalsloteditor/connectdialog_p.h b/tools/designer/src/components/signalsloteditor/connectdialog_p.h
new file mode 100644
index 0000000..8fdc019
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/connectdialog_p.h
@@ -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 Qt Designer 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 CONNECTDIALOG_H
+#define CONNECTDIALOG_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 "ui_connectdialog.h"
+#include <QtGui/QDialog>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormWindowInterface;
+class QPushButton;
+
+namespace qdesigner_internal {
+
+class ConnectDialog : public QDialog
+{
+    Q_OBJECT
+public:
+    ConnectDialog(QDesignerFormWindowInterface *formWindow, QWidget *sender, QWidget *receiver, QWidget *parent = 0);
+
+    QString signal() const;
+    QString slot() const;
+
+    void setSignalSlot(const QString &signal, const QString &slot);
+
+    bool showAllSignalsSlots() const;
+    void setShowAllSignalsSlots(bool showIt);
+
+private slots:
+    void populateLists();
+    void selectSignal(QListWidgetItem *item);
+    void selectSlot(QListWidgetItem *item);
+    void populateSignalList();
+    void populateSlotList(const QString &signal = QString());
+    void editSignals();
+    void editSlots();
+
+private:
+    enum WidgetMode { NormalWidget, MainContainer, PromotedWidget };
+
+    static WidgetMode widgetMode(QWidget *w,  QDesignerFormWindowInterface *formWindow);
+    QPushButton *okButton();
+    void setOkButtonEnabled(bool);
+    void editSignalsSlots(QWidget *w, WidgetMode mode, int signalSlotDialogMode);
+
+    QWidget *m_source;
+    QWidget *m_destination;
+    const WidgetMode m_sourceMode;
+    const WidgetMode m_destinationMode;
+    QDesignerFormWindowInterface *m_formWindow;
+    Ui::ConnectDialog m_ui;
+};
+
+}
+
+QT_END_NAMESPACE
+
+#endif // CONNECTDIALOG_H
diff --git a/tools/designer/src/components/signalsloteditor/signalslot_utils.cpp b/tools/designer/src/components/signalsloteditor/signalslot_utils.cpp
new file mode 100644
index 0000000..f4c7693
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalslot_utils.cpp
@@ -0,0 +1,331 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 "signalslot_utils_p.h"
+
+#include <qdesigner_membersheet_p.h>
+#include <widgetdatabase_p.h>
+#include <metadatabase_p.h>
+
+#include <QtDesigner/QDesignerFormWindowInterface>
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerMetaDataBaseInterface>
+#include <QtDesigner/QExtensionManager>
+#include <QtDesigner/QDesignerLanguageExtension>
+
+#include <QtCore/QPair>
+
+QT_BEGIN_NAMESPACE
+
+typedef QPair<QString, QString> ClassNameSignaturePair;
+
+// Find all member functions that match a predicate on the signature string
+// using the member sheet and the fake methods stored in the widget
+// database and the meta data base.
+// Assign a pair of <classname,  signature> to OutputIterator.
+
+template <class SignaturePredicate, class OutputIterator>
+static void memberList(QDesignerFormEditorInterface *core,
+                       QObject *object,
+                       qdesigner_internal::MemberType member_type,
+                       bool showAll,
+                       SignaturePredicate predicate,
+                       OutputIterator it)
+{
+    if (!object)
+        return;
+
+    // 1) member sheet
+    const QDesignerMemberSheetExtension *members = qt_extension<QDesignerMemberSheetExtension*>(core->extensionManager(), object);
+    Q_ASSERT(members != 0);
+    const int count = members->count();
+    for (int i = 0; i < count; ++i) {
+        if (!members->isVisible(i))
+            continue;
+
+        if (member_type == qdesigner_internal::SignalMember && !members->isSignal(i))
+            continue;
+
+        if (member_type == qdesigner_internal::SlotMember && !members->isSlot(i))
+            continue;
+
+        if (!showAll && members->inheritedFromWidget(i))
+            continue;
+
+        const QString signature = members->signature(i);
+        if (predicate(signature)) {
+            *it = ClassNameSignaturePair(members->declaredInClass(i), signature);
+            ++it;
+        }
+    }
+    // 2) fake slots from widget DB
+    const qdesigner_internal::WidgetDataBase *wdb = qobject_cast<qdesigner_internal::WidgetDataBase *>(core->widgetDataBase());
+    if (!wdb)
+        return;
+    const int idx = wdb->indexOfObject(object);
+    Q_ASSERT(idx != -1);
+    // get the promoted class name
+    const qdesigner_internal::WidgetDataBaseItem *wdbItem = static_cast<qdesigner_internal::WidgetDataBaseItem *>(wdb->item(idx));
+    const QString className = wdbItem->name();
+
+    const QStringList wdbFakeMethods = member_type == qdesigner_internal::SlotMember ? wdbItem->fakeSlots() : wdbItem->fakeSignals();
+    if (!wdbFakeMethods.empty())
+        foreach (const QString &fakeMethod, wdbFakeMethods)
+            if (predicate(fakeMethod)) {
+                *it = ClassNameSignaturePair(className, fakeMethod);
+                ++it;
+            }
+    // 3) fake slots from meta DB
+    qdesigner_internal::MetaDataBase *metaDataBase = qobject_cast<qdesigner_internal::MetaDataBase *>(core->metaDataBase());
+    if (!metaDataBase)
+        return;
+
+    const qdesigner_internal::MetaDataBaseItem *mdbItem = metaDataBase->metaDataBaseItem(object);
+    Q_ASSERT(mdbItem);
+    const QStringList mdbFakeMethods =  member_type == qdesigner_internal::SlotMember ? mdbItem->fakeSlots() : mdbItem->fakeSignals();
+    if (!mdbFakeMethods.empty())
+        foreach (const QString &fakeMethod, mdbFakeMethods)
+            if (predicate(fakeMethod)) {
+                *it = ClassNameSignaturePair(className, fakeMethod);
+                ++it;
+            }
+}
+
+namespace {
+    // Predicate that matches the exact signature string
+    class EqualsPredicate {
+    public:
+        EqualsPredicate(const QString &pattern) : m_pattern(pattern) {}
+        bool operator()(const QString &s) const { return s == m_pattern; }
+    private:
+        const QString  m_pattern;
+    };
+    // Predicate for a QString member signature that matches signals up with slots and vice versa
+    class SignalMatchesSlotPredicate {
+    public:
+        SignalMatchesSlotPredicate(QDesignerFormEditorInterface *core, const QString &peer, qdesigner_internal::MemberType memberType);
+        bool operator()(const QString &s) const;
+
+    private:
+        bool signalMatchesSlot(const QString &signal, const QString &slot) const;
+
+        const QString  m_peer;
+        qdesigner_internal::MemberType m_memberType;
+        const QDesignerLanguageExtension *m_lang;
+    };
+
+    SignalMatchesSlotPredicate::SignalMatchesSlotPredicate(QDesignerFormEditorInterface *core, const QString &peer, qdesigner_internal::MemberType memberType) :
+        m_peer(peer),
+        m_memberType(memberType),
+        m_lang(qt_extension<QDesignerLanguageExtension*>(core->extensionManager(), core))
+    {
+    }
+
+    bool SignalMatchesSlotPredicate::operator()(const QString &s) const
+    {
+        return m_memberType == qdesigner_internal::SlotMember ? signalMatchesSlot(m_peer, s) :  signalMatchesSlot(s, m_peer);
+    }
+
+    bool SignalMatchesSlotPredicate::signalMatchesSlot(const QString &signal, const QString &slot) const
+    {
+        if (m_lang)
+            return m_lang->signalMatchesSlot(signal, slot);
+
+        return QDesignerMemberSheet::signalMatchesSlot(signal, slot);
+    }
+
+    // Output iterator for a pair of pair of <classname,  signature>
+    // that builds the reverse class list for reverseClassesMemberFunctions()
+    // (for the combos of the ToolWindow)
+    class ReverseClassesMemberIterator {
+    public:
+        ReverseClassesMemberIterator(qdesigner_internal::ClassesMemberFunctions *result);
+
+        ReverseClassesMemberIterator &operator*()     { return *this; }
+        ReverseClassesMemberIterator &operator++(int) { return *this; }
+        ReverseClassesMemberIterator &operator++()    { return *this; }
+        void operator=(const ClassNameSignaturePair &classNameSignature);
+
+    private:
+        qdesigner_internal::ClassesMemberFunctions *m_result;
+        QString m_lastClassName;
+        QStringList *m_memberList;
+    };
+
+    ReverseClassesMemberIterator::ReverseClassesMemberIterator(qdesigner_internal::ClassesMemberFunctions *result) :
+       m_result(result),
+       m_memberList(0)
+    {
+    }
+
+    void ReverseClassesMemberIterator::operator=(const ClassNameSignaturePair &classNameSignature)
+    {
+        // prepend a new entry if class changes
+        if (!m_memberList || classNameSignature.first != m_lastClassName) {
+            m_lastClassName = classNameSignature.first;
+            m_result->push_front(qdesigner_internal::ClassMemberFunctions(m_lastClassName));
+            m_memberList = &(m_result->front().m_memberList);
+        }
+        m_memberList->push_back(classNameSignature.second);
+    }
+
+    // Output iterator for a pair of pair of <classname,  signature>
+    // that adds the signatures to a string list
+    class SignatureIterator {
+    public:
+        SignatureIterator(QMap<QString, QString> *result) : m_result(result) {}
+
+        SignatureIterator &operator*()     { return *this; }
+        SignatureIterator &operator++(int) { return *this; }
+        SignatureIterator &operator++()    { return *this; }
+        void operator=(const ClassNameSignaturePair &classNameSignature) {
+            m_result->insert(classNameSignature.second, classNameSignature.first);
+        }
+
+    private:
+        QMap<QString, QString> *m_result;
+    };
+}
+
+static inline bool truePredicate(const QString &) { return true; }
+
+namespace qdesigner_internal {
+
+    ClassMemberFunctions::ClassMemberFunctions(const QString &class_name) :
+        m_className(class_name)
+    {
+    }
+
+    bool signalMatchesSlot(QDesignerFormEditorInterface *core, const QString &signal, const QString &slot)
+    {
+        const SignalMatchesSlotPredicate predicate(core, signal, qdesigner_internal::SlotMember);
+        return predicate(slot);
+    }
+
+    // return classes and members in reverse class order to
+    // populate of the combo of the ToolWindow
+    ClassesMemberFunctions reverseClassesMemberFunctions(const QString &obj_name, MemberType member_type,
+                                                         const QString &peer, QDesignerFormWindowInterface *form)
+    {
+        QObject *object = qFindChild<QObject*>(form, obj_name);
+        if (!object)
+            return ClassesMemberFunctions();
+
+        QDesignerFormEditorInterface *core = form->core();
+
+        ClassesMemberFunctions rc;
+        memberList(form->core(), object, member_type, true, SignalMatchesSlotPredicate(core, peer,  member_type),
+                   ReverseClassesMemberIterator(&rc));
+        return rc;
+    }
+
+    QMap<QString, QString> getSignals(QDesignerFormEditorInterface *core, QObject *object, bool showAll)
+    {
+        QMap<QString, QString> rc;
+        memberList(core, object, SignalMember, showAll, truePredicate, SignatureIterator(&rc));
+        return rc;
+    }
+
+    bool isQt3Signal(QDesignerFormEditorInterface *core,
+                     QObject *object, const QString &signalSignature)
+    {
+        if (const QDesignerMemberSheetExtension *members
+                = qt_extension<QDesignerMemberSheetExtension*>(core->extensionManager(), object)) {
+            const int count = members->count();
+            for (int i = 0; i < count; ++i)
+                if (members->isSignal(i) && members->signature(i) == signalSignature) {
+                    const QDesignerMemberSheet *memberSheet
+                            = qobject_cast<QDesignerMemberSheet*>(core->extensionManager()->extension(object,
+                                                                                                      Q_TYPEID(QDesignerMemberSheetExtension)));
+                    return memberSheet->isQt3Signal(i);
+                }
+        }
+
+        return false;
+    }
+
+    bool isQt3Slot(QDesignerFormEditorInterface *core,
+                   QObject *object, const QString &slotSignature)
+    {
+        if (const QDesignerMemberSheetExtension *members
+                = qt_extension<QDesignerMemberSheetExtension*>(core->extensionManager(), object)) {
+            Q_ASSERT(members != 0);
+            const int count = members->count();
+            for (int i = 0; i < count; ++i)
+                if (members->isSlot(i) && members->signature(i) == slotSignature) {
+                    const QDesignerMemberSheet *memberSheet
+                            = qobject_cast<QDesignerMemberSheet*>(core->extensionManager()->extension(object,
+                                                                                                      Q_TYPEID(QDesignerMemberSheetExtension)));
+                    return memberSheet->isQt3Slot(i);
+                }
+        }
+        return false;
+    }
+
+    QMap<QString, QString> getMatchingSlots(QDesignerFormEditorInterface *core, QObject *object, const QString &signalSignature, bool showAll)
+    {
+        QMap<QString, QString> rc;
+        memberList(core, object, SlotMember, showAll, SignalMatchesSlotPredicate(core, signalSignature,  qdesigner_internal::SlotMember), SignatureIterator(&rc));
+        return rc;
+    }
+
+    bool memberFunctionListContains(QDesignerFormEditorInterface *core, QObject *object, MemberType type, const QString &signature)
+    {
+        QMap<QString, QString> rc;
+        memberList(core, object, type, true, EqualsPredicate(signature), SignatureIterator(&rc));
+        return !rc.empty();
+    }
+
+    // ### deprecated
+    QString realObjectName(QDesignerFormEditorInterface *core, QObject *object)
+    {
+        if (!object)
+        return QString();
+
+        const QDesignerMetaDataBaseInterface *mdb = core->metaDataBase();
+        if (const QDesignerMetaDataBaseItemInterface *item = mdb->item(object))
+            return item->name();
+
+        return object->objectName();
+    }
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
diff --git a/tools/designer/src/components/signalsloteditor/signalslot_utils_p.h b/tools/designer/src/components/signalsloteditor/signalslot_utils_p.h
new file mode 100644
index 0000000..9b051e4
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalslot_utils_p.h
@@ -0,0 +1,104 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 SIGNALSLOTUTILS_P_H
+#define SIGNALSLOTUTILS_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/QString>
+#include <QtCore/QStringList>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormWindowInterface;
+class QDesignerFormEditorInterface;
+
+namespace qdesigner_internal {
+
+enum MemberType { SignalMember, SlotMember };
+
+// member to class name
+QMap<QString, QString> getSignals(QDesignerFormEditorInterface *core, QObject *object, bool showAll);
+QMap<QString, QString> getMatchingSlots(QDesignerFormEditorInterface *core, QObject *object,
+            const QString &signalSignature, bool showAll);
+
+bool memberFunctionListContains(QDesignerFormEditorInterface *core, QObject *object, MemberType type, const QString &signature);
+
+// Members functions listed by class they were inherited from
+struct ClassMemberFunctions
+{
+    ClassMemberFunctions() {}
+    ClassMemberFunctions(const QString &_class_name);
+
+    QString m_className;
+    QStringList m_memberList;
+};
+
+typedef QList<ClassMemberFunctions> ClassesMemberFunctions;
+
+// Return classes and members in reverse class order to
+// populate of the combo of the ToolWindow.
+
+ClassesMemberFunctions reverseClassesMemberFunctions(const QString &obj_name, MemberType member_type,
+                                                     const QString &peer, QDesignerFormWindowInterface *form);
+
+bool signalMatchesSlot(QDesignerFormEditorInterface *core, const QString &signal, const QString &slot);
+
+QString realObjectName(QDesignerFormEditorInterface *core, QObject *object);
+
+bool isQt3Signal(QDesignerFormEditorInterface *core, QObject *object, const QString &signalSignature);
+bool isQt3Slot(QDesignerFormEditorInterface *core, QObject *object, const QString &signalSignature);
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // SIGNALSLOTUTILS_P_H
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditor.cpp b/tools/designer/src/components/signalsloteditor/signalsloteditor.cpp
new file mode 100644
index 0000000..511b91f
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditor.cpp
@@ -0,0 +1,528 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 "signalsloteditor.h"
+#include "signalsloteditor_p.h"
+#include "connectdialog_p.h"
+#include "signalslot_utils_p.h"
+
+#include <metadatabase_p.h>
+#include <ui4_p.h>
+#include <qdesigner_formwindowcommand_p.h>
+
+#include <QtDesigner/QDesignerFormWindowInterface>
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerMetaDataBaseInterface>
+
+#include <QtGui/QApplication>
+#include <QtGui/QUndoCommand>
+#include <QtGui/QMenu>
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDebug>
+
+QT_BEGIN_NAMESPACE
+
+namespace qdesigner_internal {
+
+/*******************************************************************************
+** SignalSlotConnection
+*/
+
+SignalSlotConnection::SignalSlotConnection(ConnectionEdit *edit, QWidget *source, QWidget *target)
+    : Connection(edit, source, target)
+{
+}
+
+DomConnection *SignalSlotConnection::toUi() const
+{
+    DomConnection *result = new DomConnection;
+
+    result->setElementSender(sender());
+    result->setElementSignal(signal());
+    result->setElementReceiver(receiver());
+    result->setElementSlot(slot());
+
+    DomConnectionHints *hints = new DomConnectionHints;
+    QList<DomConnectionHint*> list;
+
+    QPoint sp = endPointPos(EndPoint::Source);
+    QPoint tp = endPointPos(EndPoint::Target);
+
+    DomConnectionHint *hint = new DomConnectionHint;
+    hint->setAttributeType(QLatin1String("sourcelabel"));
+    hint->setElementX(sp.x());
+    hint->setElementY(sp.y());
+    list.append(hint);
+
+    hint = new DomConnectionHint;
+    hint->setAttributeType(QLatin1String("destinationlabel"));
+    hint->setElementX(tp.x());
+    hint->setElementY(tp.y());
+    list.append(hint);
+
+    hints->setElementHint(list);
+    result->setElementHints(hints);
+
+    return result;
+}
+
+void SignalSlotConnection::setSignal(const QString &signal)
+{
+    m_signal = signal;
+    setLabel(EndPoint::Source, m_signal);
+}
+
+void SignalSlotConnection::setSlot(const QString &slot)
+{
+    m_slot = slot;
+    setLabel(EndPoint::Target, m_slot);
+}
+
+QString SignalSlotConnection::sender() const
+{
+    QObject *source = object(EndPoint::Source);
+    if (!source)
+        return QString();
+
+    SignalSlotEditor *edit = qobject_cast<SignalSlotEditor*>(this->edit());
+    Q_ASSERT(edit != 0);
+
+    return realObjectName(edit->formWindow()->core(), source);
+}
+
+QString SignalSlotConnection::receiver() const
+{
+    QObject *sink = object(EndPoint::Target);
+    if (!sink)
+        return QString();
+
+    SignalSlotEditor *edit = qobject_cast<SignalSlotEditor*>(this->edit());
+    Q_ASSERT(edit != 0);
+    return realObjectName(edit->formWindow()->core(), sink);
+}
+
+void SignalSlotConnection::updateVisibility()
+{
+    Connection::updateVisibility();
+    if (isVisible() && (signal().isEmpty() || slot().isEmpty()))
+        setVisible(false);
+}
+
+QString SignalSlotConnection::toString() const
+{
+    return QCoreApplication::translate("SignalSlotConnection", "SENDER(%1), SIGNAL(%2), RECEIVER(%3), SLOT(%4)")
+        .arg(sender()).arg(signal()).arg(receiver()).arg(slot());
+}
+
+SignalSlotConnection::State SignalSlotConnection::isValid(const QWidget *background) const
+{
+    const QObject *source = object(EndPoint::Source);
+    if (!source)
+        return ObjectDeleted;
+
+    const QObject *target = object(EndPoint::Target);
+    if (!target)
+        return ObjectDeleted;
+
+    if (m_slot.isEmpty() || m_signal.isEmpty())
+        return InvalidMethod;
+
+    if (const QWidget *sourceWidget = qobject_cast<const QWidget*>(source))
+        if (!background->isAncestorOf(sourceWidget))
+            return NotAncestor;
+
+    if (const QWidget *targetWidget = qobject_cast<const QWidget*>(target))
+        if (!background->isAncestorOf(targetWidget))
+             return NotAncestor;
+
+    return Valid;
+}
+
+/*******************************************************************************
+** Commands
+*/
+
+class SetMemberCommand : public QUndoCommand, public CETypes
+{
+public:
+    SetMemberCommand(SignalSlotConnection *con, EndPoint::Type type,
+                        const QString &member, SignalSlotEditor *editor);
+    virtual void redo();
+    virtual void undo();
+private:
+    const QString m_old_member;
+    const QString m_new_member;
+    const EndPoint::Type m_type;
+    SignalSlotConnection *m_con;
+    SignalSlotEditor *m_editor;
+};
+
+SetMemberCommand::SetMemberCommand(SignalSlotConnection *con, EndPoint::Type type,
+                                   const QString &member, SignalSlotEditor *editor) :
+    m_old_member(type == EndPoint::Source ? con->signal() : con->slot()),
+    m_new_member(member),
+    m_type(type),
+    m_con(con),
+    m_editor(editor)
+{
+    if (type == EndPoint::Source)
+        setText(QApplication::translate("Command", "Change signal"));
+    else
+        setText(QApplication::translate("Command", "Change slot"));
+}
+
+void SetMemberCommand::redo()
+{
+    m_con->update();
+    if (m_type == EndPoint::Source)
+        m_con->setSignal(m_new_member);
+    else
+        m_con->setSlot(m_new_member);
+    m_con->update();
+    emit m_editor->connectionChanged(m_con);
+}
+
+void SetMemberCommand::undo()
+{
+    m_con->update();
+    if (m_type == EndPoint::Source)
+        m_con->setSignal(m_old_member);
+    else
+        m_con->setSlot(m_old_member);
+    m_con->update();
+    emit m_editor->connectionChanged(m_con);
+}
+
+// Command to modify a connection
+class ModifyConnectionCommand : public QDesignerFormWindowCommand
+{
+public:
+    explicit ModifyConnectionCommand(QDesignerFormWindowInterface *form,
+                                     SignalSlotConnection *conn,
+                                     const QString &newSignal,
+                                     const QString &newSlot);
+    virtual void redo();
+    virtual void undo();
+
+private:
+    SignalSlotConnection *m_conn;
+    const QString m_oldSignal;
+    const QString m_oldSlot;
+    const QString m_newSignal;
+    const QString m_newSlot;
+};
+
+ModifyConnectionCommand::ModifyConnectionCommand(QDesignerFormWindowInterface *form,
+                                                 SignalSlotConnection *conn,
+                                                 const QString &newSignal,
+                                                 const QString &newSlot) :
+    QDesignerFormWindowCommand(QCoreApplication::translate("Command", "Change signal-slot connection"), form),
+    m_conn(conn),
+    m_oldSignal(conn->signal()),
+    m_oldSlot(conn->slot()),
+    m_newSignal(newSignal),
+    m_newSlot(newSlot)
+{
+}
+
+void ModifyConnectionCommand::redo()
+{
+    m_conn->setSignal(m_newSignal);
+    m_conn->setSlot(m_newSlot);
+}
+
+void ModifyConnectionCommand::undo()
+{
+    m_conn->setSignal(m_oldSignal);
+    m_conn->setSlot(m_oldSlot);
+}
+
+/*******************************************************************************
+** SignalSlotEditor
+*/
+
+SignalSlotEditor::SignalSlotEditor(QDesignerFormWindowInterface *form_window, QWidget *parent) :
+     ConnectionEdit(parent, form_window),
+     m_form_window(form_window),
+     m_showAllSignalsSlots(false)
+{
+}
+
+void SignalSlotEditor::modifyConnection(Connection *con)
+{
+    SignalSlotConnection *sigslot_con = static_cast<SignalSlotConnection*>(con);
+    ConnectDialog dialog(m_form_window,
+                         sigslot_con->widget(EndPoint::Source),
+                         sigslot_con->widget(EndPoint::Target),
+                         m_form_window->core()->topLevel());
+
+    dialog.setSignalSlot(sigslot_con->signal(), sigslot_con->slot());
+    dialog.setShowAllSignalsSlots(m_showAllSignalsSlots);
+
+    if (dialog.exec() == QDialog::Accepted) {
+        const QString newSignal = dialog.signal();
+        const QString newSlot = dialog.slot();
+        if (sigslot_con->signal() != newSignal || sigslot_con->slot() != newSlot) {
+            ModifyConnectionCommand *cmd = new ModifyConnectionCommand(m_form_window, sigslot_con, newSignal, newSlot);
+            m_form_window->commandHistory()->push(cmd);
+        }
+    }
+
+    m_showAllSignalsSlots = dialog.showAllSignalsSlots();
+}
+
+Connection *SignalSlotEditor::createConnection(QWidget *source, QWidget *destination)
+{
+    SignalSlotConnection *con = 0;
+
+    Q_ASSERT(source != 0);
+    Q_ASSERT(destination != 0);
+
+    ConnectDialog dialog(m_form_window, source, destination, m_form_window->core()->topLevel());
+    dialog.setShowAllSignalsSlots(m_showAllSignalsSlots);
+
+    if (dialog.exec() == QDialog::Accepted) {
+        con = new SignalSlotConnection(this, source, destination);
+        con->setSignal(dialog.signal());
+        con->setSlot(dialog.slot());
+    }
+
+    m_showAllSignalsSlots = dialog.showAllSignalsSlots();
+
+    return con;
+}
+
+DomConnections *SignalSlotEditor::toUi() const
+{
+    DomConnections *result = new DomConnections;
+    QList<DomConnection*> list;
+
+    const int count = connectionCount();
+    for (int i = 0; i < count; ++i) {
+        const SignalSlotConnection *con = static_cast<const SignalSlotConnection*>(connection(i));
+        Q_ASSERT(con != 0);
+
+        // If a widget's parent has been removed or moved to a different form,
+        // and the parent was not a managed widget
+        // (a page in a tab widget), we never get a widgetRemoved(). So we filter out
+        // these child widgets here (check QPointer and verify ancestor).
+        // Also, the user might demote a promoted widget or remove a fake
+        // slot in the editor, which causes the connection to become invalid
+        // once he doubleclicks on the method combo.
+        switch (con->isValid(background())) {
+        case SignalSlotConnection::Valid:
+            list.append(con->toUi());
+            break;
+        case SignalSlotConnection::ObjectDeleted:
+        case SignalSlotConnection::InvalidMethod:
+        case SignalSlotConnection::NotAncestor:
+            break;
+        }
+    }
+    result->setElementConnection(list);
+    return result;
+}
+
+QObject *SignalSlotEditor::objectByName(QWidget *topLevel, const QString &name) const
+{
+    if (name.isEmpty())
+        return 0;
+
+    Q_ASSERT(topLevel);
+    QObject *object = 0;
+    if (topLevel->objectName() == name)
+        object = topLevel;
+    else
+        object = qFindChild<QObject*>(topLevel, name);
+    const QDesignerMetaDataBaseInterface *mdb = formWindow()->core()->metaDataBase();
+    if (mdb->item(object))
+        return object;
+    return 0;
+}
+
+void SignalSlotEditor::fromUi(const DomConnections *connections, QWidget *parent)
+{
+    if (connections == 0)
+        return;
+
+    setBackground(parent);
+    clear();
+    const QList<DomConnection*> list = connections->elementConnection();
+    foreach (const DomConnection *dom_con, list) {
+        QObject *source = objectByName(parent, dom_con->elementSender());
+        if (source == 0) {
+            qDebug("SignalSlotEditor::fromUi(): no source widget called \"%s\"",
+                        dom_con->elementSender().toUtf8().constData());
+            continue;
+        }
+        QObject *destination = objectByName(parent, dom_con->elementReceiver());
+        if (destination == 0) {
+            qDebug("SignalSlotEditor::fromUi(): no destination widget called \"%s\"",
+                        dom_con->elementReceiver().toUtf8().constData());
+            continue;
+        }
+
+        QPoint sp = QPoint(20, 20), tp = QPoint(20, 20);
+        const DomConnectionHints *dom_hints = dom_con->elementHints();
+        if (dom_hints != 0) {
+            QList<DomConnectionHint*> list = dom_hints->elementHint();
+            foreach (DomConnectionHint *hint, list) {
+                QString attr_type = hint->attributeType();
+                QPoint p = QPoint(hint->elementX(), hint->elementY());
+                if (attr_type == QLatin1String("sourcelabel"))
+                    sp = p;
+                else if (attr_type == QLatin1String("destinationlabel"))
+                    tp = p;
+            }
+        }
+
+        SignalSlotConnection *con = new SignalSlotConnection(this);
+
+        con->setEndPoint(EndPoint::Source, source, sp);
+        con->setEndPoint(EndPoint::Target, destination, tp);
+        con->setSignal(dom_con->elementSignal());
+        con->setSlot(dom_con->elementSlot());
+        addConnection(con);
+    }
+}
+
+static bool skipWidget(const QWidget *w)
+{
+    const QString name = QLatin1String(w->metaObject()->className());
+    if (name == QLatin1String("QDesignerWidget"))
+        return true;
+    if (name == QLatin1String("QLayoutWidget"))
+        return true;
+    if (name == QLatin1String("qdesigner_internal::FormWindow"))
+        return true;
+    if (name == QLatin1String("Spacer"))
+        return true;
+    return false;
+}
+
+QWidget *SignalSlotEditor::widgetAt(const QPoint &pos) const
+{
+    QWidget *widget = ConnectionEdit::widgetAt(pos);
+
+    if (widget == m_form_window->mainContainer())
+        return widget;
+
+    for (; widget != 0; widget = widget->parentWidget()) {
+        QDesignerMetaDataBaseItemInterface *item = m_form_window->core()->metaDataBase()->item(widget);
+        if (item == 0)
+            continue;
+        if (skipWidget(widget))
+            continue;
+        break;
+    }
+
+    return widget;
+}
+
+void SignalSlotEditor::setSignal(SignalSlotConnection *con, const QString &member)
+{
+    if (member == con->signal())
+        return;
+
+    m_form_window->beginCommand(QApplication::translate("Command", "Change signal"));
+    undoStack()->push(new SetMemberCommand(con, EndPoint::Source, member, this));
+    if (!signalMatchesSlot(m_form_window->core(), member, con->slot()))
+        undoStack()->push(new SetMemberCommand(con, EndPoint::Target, QString(), this));
+    m_form_window->endCommand();
+}
+
+void SignalSlotEditor::setSlot(SignalSlotConnection *con, const QString &member)
+{
+    if (member == con->slot())
+        return;
+
+    m_form_window->beginCommand(QApplication::translate("Command", "Change slot"));
+    undoStack()->push(new SetMemberCommand(con, EndPoint::Target, member, this));
+    if (!signalMatchesSlot(m_form_window->core(), con->signal(), member))
+        undoStack()->push(new SetMemberCommand(con, EndPoint::Source, QString(), this));
+    m_form_window->endCommand();
+}
+
+void SignalSlotEditor::setSource(Connection *_con, const QString &obj_name)
+{
+    SignalSlotConnection *con = static_cast<SignalSlotConnection*>(_con);
+
+   if (con->sender() == obj_name)
+        return;
+
+    m_form_window->beginCommand(QApplication::translate("Command", "Change sender"));
+    ConnectionEdit::setSource(con, obj_name);
+
+    QObject *sourceObject = con->object(EndPoint::Source);
+
+    if (!memberFunctionListContains(m_form_window->core(), sourceObject, SignalMember, con->signal()))
+        undoStack()->push(new SetMemberCommand(con, EndPoint::Source, QString(), this));
+
+    m_form_window->endCommand();
+}
+
+void SignalSlotEditor::setTarget(Connection *_con, const QString &obj_name)
+{
+    SignalSlotConnection *con = static_cast<SignalSlotConnection*>(_con);
+
+    if (con->receiver() == obj_name)
+        return;
+
+    m_form_window->beginCommand(QApplication::translate("Command", "Change receiver"));
+    ConnectionEdit::setTarget(con, obj_name);
+
+    QObject *targetObject = con->object(EndPoint::Target);
+    if (!memberFunctionListContains(m_form_window->core(),  targetObject, SlotMember, con->slot()))
+        undoStack()->push(new SetMemberCommand(con, EndPoint::Target, QString(), this));
+
+    m_form_window->endCommand();
+}
+
+void SignalSlotEditor::addEmptyConnection()
+{
+    SignalSlotConnection *con = new SignalSlotConnection(this);
+    undoStack()->push(new AddConnectionCommand(this, con));
+}
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditor.h b/tools/designer/src/components/signalsloteditor/signalsloteditor.h
new file mode 100644
index 0000000..f330ca0
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditor.h
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 SIGNALSLOTEDITOR_H
+#define SIGNALSLOTEDITOR_H
+
+#include "signalsloteditor_global.h"
+
+#include <QtDesigner/private/connectionedit_p.h>
+
+#include <QtXml/QDomDocument>
+#include <QtXml/QDomElement>
+
+QT_BEGIN_NAMESPACE
+
+class DomConnections;
+
+namespace qdesigner_internal {
+
+class SignalSlotConnection;
+
+class QT_SIGNALSLOTEDITOR_EXPORT SignalSlotEditor : public ConnectionEdit
+{
+    Q_OBJECT
+
+public:
+    SignalSlotEditor(QDesignerFormWindowInterface *form_window, QWidget *parent);
+
+    virtual void setSignal(SignalSlotConnection *con, const QString &member);
+    virtual void setSlot(SignalSlotConnection *con, const QString &member);
+    virtual void setSource(Connection *con, const QString &obj_name);
+    virtual void setTarget(Connection *con, const QString &obj_name);
+
+    DomConnections *toUi() const;
+    void fromUi(const DomConnections *connections, QWidget *parent);
+
+    QDesignerFormWindowInterface *formWindow() const { return m_form_window; }
+
+    QObject *objectByName(QWidget *topLevel, const QString &name) const;
+
+    void addEmptyConnection();
+
+protected:
+    virtual QWidget *widgetAt(const QPoint &pos) const;
+
+private:
+    virtual Connection *createConnection(QWidget *source, QWidget *destination);
+    virtual void modifyConnection(Connection *con);
+
+    QDesignerFormWindowInterface *m_form_window;
+    bool m_showAllSignalsSlots;
+
+    friend class SetMemberCommand;
+};
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // SIGNALSLOTEDITOR_H
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditor.pri b/tools/designer/src/components/signalsloteditor/signalsloteditor.pri
new file mode 100644
index 0000000..e903ce1
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditor.pri
@@ -0,0 +1,21 @@
+
+INCLUDEPATH += $$PWD
+
+HEADERS += $$PWD/signalslot_utils_p.h \
+    $$PWD/connectdialog_p.h \
+    $$PWD/signalsloteditor.h \
+    $$PWD/signalsloteditor_tool.h \
+    $$PWD/signalsloteditor_plugin.h \
+    $$PWD/signalsloteditor_global.h \
+    $$PWD/signalsloteditor_p.h \
+    $$PWD/signalsloteditorwindow.h
+
+SOURCES += $$PWD/signalslot_utils.cpp \
+    $$PWD/connectdialog.cpp \
+    $$PWD/signalsloteditor.cpp \
+    $$PWD/signalsloteditor_tool.cpp \
+    $$PWD/signalsloteditor_plugin.cpp \
+    $$PWD/signalsloteditor_instance.cpp \
+    $$PWD/signalsloteditorwindow.cpp
+
+FORMS += $$PWD/connectdialog.ui
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditor_global.h b/tools/designer/src/components/signalsloteditor/signalsloteditor_global.h
new file mode 100644
index 0000000..399778a
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditor_global.h
@@ -0,0 +1,57 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 SIGNALSLOTEDITOR_GLOBAL_H
+#define SIGNALSLOTEDITOR_GLOBAL_H
+
+#include <QtCore/qglobal.h>
+
+#ifdef Q_OS_WIN
+#ifdef QT_SIGNALSLOTEDITOR_LIBRARY
+# define QT_SIGNALSLOTEDITOR_EXPORT
+#else
+# define QT_SIGNALSLOTEDITOR_EXPORT
+#endif
+#else
+#define QT_SIGNALSLOTEDITOR_EXPORT
+#endif
+
+#endif // SIGNALSLOTEDITOR_GLOBAL_H
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditor_instance.cpp b/tools/designer/src/components/signalsloteditor/signalsloteditor_instance.cpp
new file mode 100644
index 0000000..c7a799a
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditor_instance.cpp
@@ -0,0 +1,50 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 <QtCore/qplugin.h>
+
+#include "signalsloteditor_plugin.h"
+
+QT_USE_NAMESPACE
+
+using namespace qdesigner_internal;
+
+Q_EXPORT_PLUGIN(SignalSlotEditorPlugin)
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditor_p.h b/tools/designer/src/components/signalsloteditor/signalsloteditor_p.h
new file mode 100644
index 0000000..8cec010
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditor_p.h
@@ -0,0 +1,138 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 SIGNALSLOTEDITOR_P_H
+#define SIGNALSLOTEDITOR_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/QString>
+#include <QtCore/QStringList>
+#include <QtCore/QList>
+#include <QtCore/QPointer>
+#include <QtCore/QAbstractItemModel>
+
+#include <connectionedit_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormWindowInterface;
+class QDesignerFormEditorInterface;
+class DomConnection;
+
+namespace qdesigner_internal {
+
+class SignalSlotEditor;
+
+class SignalSlotConnection : public Connection
+{
+public:
+    explicit SignalSlotConnection(ConnectionEdit *edit, QWidget *source = 0, QWidget *target = 0);
+
+    void setSignal(const QString &signal);
+    void setSlot(const QString &slot);
+
+    QString sender() const;
+    QString receiver() const;
+    inline QString signal() const { return m_signal; }
+    inline QString slot() const { return m_slot; }
+
+    DomConnection *toUi() const;
+
+    virtual void updateVisibility();
+
+    enum State { Valid, ObjectDeleted, InvalidMethod, NotAncestor };
+    State isValid(const QWidget *background) const;
+
+    // format for messages, etc.
+    QString toString() const;
+
+private:
+    QString m_signal, m_slot;
+};
+
+class ConnectionModel : public QAbstractItemModel
+{
+    Q_OBJECT
+public:
+    explicit ConnectionModel(QObject *parent = 0);
+    void setEditor(SignalSlotEditor *editor = 0);
+
+    virtual QModelIndex index(int row, int column,
+                              const QModelIndex &parent = QModelIndex()) const;
+    virtual QModelIndex parent(const QModelIndex &child) const;
+    virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    virtual bool setData(const QModelIndex &index, const QVariant &data, int role = Qt::DisplayRole);
+    virtual Qt::ItemFlags flags(const QModelIndex &index) const;
+    virtual QVariant headerData(int section, Qt::Orientation orientation,
+                                int role = Qt::DisplayRole) const;
+
+    QModelIndex connectionToIndex(Connection *con) const;
+    Connection *indexToConnection(const QModelIndex &index) const;
+    void updateAll();
+
+private slots:
+    void connectionAdded(Connection *con);
+    void connectionRemoved(int idx);
+    void aboutToRemoveConnection(Connection *con);
+    void aboutToAddConnection(int idx);
+    void connectionChanged(Connection *con);
+
+private:
+    QPointer<SignalSlotEditor> m_editor;
+};
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // SIGNALSLOTEDITOR_P_H
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditor_plugin.cpp b/tools/designer/src/components/signalsloteditor/signalsloteditor_plugin.cpp
new file mode 100644
index 0000000..311c843
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditor_plugin.cpp
@@ -0,0 +1,136 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+TRANSLATOR qdesigner_internal::SignalSlotEditorPlugin
+*/
+
+#include "signalsloteditor_plugin.h"
+#include "signalsloteditor_tool.h"
+
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerFormWindowManagerInterface>
+
+#include <QtGui/QAction>
+
+QT_BEGIN_NAMESPACE
+
+using namespace qdesigner_internal;
+
+SignalSlotEditorPlugin::SignalSlotEditorPlugin()
+    : m_initialized(false), m_action(0)
+{
+}
+
+SignalSlotEditorPlugin::~SignalSlotEditorPlugin()
+{
+}
+
+bool SignalSlotEditorPlugin::isInitialized() const
+{
+    return m_initialized;
+}
+
+void SignalSlotEditorPlugin::initialize(QDesignerFormEditorInterface *core)
+{
+    Q_ASSERT(!isInitialized());
+
+    m_action = new QAction(tr("Edit Signals/Slots"), this);
+    m_action->setObjectName(QLatin1String("__qt_edit_signals_slots_action"));
+    m_action->setShortcut(tr("F4"));
+    QIcon icon(QIcon(core->resourceLocation() + QLatin1String("/signalslottool.png")));
+    m_action->setIcon(icon);
+    m_action->setEnabled(false);
+
+    setParent(core);
+    m_core = core;
+    m_initialized = true;
+
+    connect(core->formWindowManager(), SIGNAL(formWindowAdded(QDesignerFormWindowInterface*)),
+            this, SLOT(addFormWindow(QDesignerFormWindowInterface*)));
+
+    connect(core->formWindowManager(), SIGNAL(formWindowRemoved(QDesignerFormWindowInterface*)),
+            this, SLOT(removeFormWindow(QDesignerFormWindowInterface*)));
+
+    connect(core->formWindowManager(), SIGNAL(activeFormWindowChanged(QDesignerFormWindowInterface*)),
+                this, SLOT(activeFormWindowChanged(QDesignerFormWindowInterface*)));
+}
+
+QDesignerFormEditorInterface *SignalSlotEditorPlugin::core() const
+{
+    return m_core;
+}
+
+void SignalSlotEditorPlugin::addFormWindow(QDesignerFormWindowInterface *formWindow)
+{
+    Q_ASSERT(formWindow != 0);
+    Q_ASSERT(m_tools.contains(formWindow) == false);
+
+    SignalSlotEditorTool *tool = new SignalSlotEditorTool(formWindow, this);
+    connect(m_action, SIGNAL(triggered()), tool->action(), SLOT(trigger()));
+    m_tools[formWindow] = tool;
+    formWindow->registerTool(tool);
+}
+
+void SignalSlotEditorPlugin::removeFormWindow(QDesignerFormWindowInterface *formWindow)
+{
+    Q_ASSERT(formWindow != 0);
+    Q_ASSERT(m_tools.contains(formWindow) == true);
+
+    SignalSlotEditorTool *tool = m_tools.value(formWindow);
+    m_tools.remove(formWindow);
+    disconnect(m_action, SIGNAL(triggered()), tool->action(), SLOT(trigger()));
+    // ### FIXME disable the tool
+
+    delete tool;
+}
+
+QAction *SignalSlotEditorPlugin::action() const
+{
+    return m_action;
+}
+
+void SignalSlotEditorPlugin::activeFormWindowChanged(QDesignerFormWindowInterface *formWindow)
+{
+    m_action->setEnabled(formWindow != 0);
+}
+
+QT_END_NAMESPACE
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditor_plugin.h b/tools/designer/src/components/signalsloteditor/signalsloteditor_plugin.h
new file mode 100644
index 0000000..546110d
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditor_plugin.h
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 SIGNALSLOTEDITOR_PLUGIN_H
+#define SIGNALSLOTEDITOR_PLUGIN_H
+
+#include "signalsloteditor_global.h"
+
+#include <QtDesigner/QDesignerFormEditorPluginInterface>
+
+#include <QtCore/QPointer>
+#include <QtCore/QHash>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormWindowInterface;
+
+namespace qdesigner_internal {
+
+class SignalSlotEditorTool;
+
+class QT_SIGNALSLOTEDITOR_EXPORT SignalSlotEditorPlugin: public QObject, public QDesignerFormEditorPluginInterface
+{
+    Q_OBJECT
+    Q_INTERFACES(QDesignerFormEditorPluginInterface)
+public:
+    SignalSlotEditorPlugin();
+    virtual ~SignalSlotEditorPlugin();
+
+    virtual bool isInitialized() const;
+    virtual void initialize(QDesignerFormEditorInterface *core);
+    virtual QAction *action() const;
+
+    virtual QDesignerFormEditorInterface *core() const;
+
+public slots:
+    void activeFormWindowChanged(QDesignerFormWindowInterface *formWindow);
+
+private slots:
+    void addFormWindow(QDesignerFormWindowInterface *formWindow);
+    void removeFormWindow(QDesignerFormWindowInterface *formWindow);
+
+private:
+    QPointer<QDesignerFormEditorInterface> m_core;
+    QHash<QDesignerFormWindowInterface*, SignalSlotEditorTool*> m_tools;
+    bool m_initialized;
+    QAction *m_action;
+};
+
+}  // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // SIGNALSLOTEDITOR_PLUGIN_H
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditor_tool.cpp b/tools/designer/src/components/signalsloteditor/signalsloteditor_tool.cpp
new file mode 100644
index 0000000..973105c
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditor_tool.cpp
@@ -0,0 +1,127 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+TRANSLATOR qdesigner_internal::SignalSlotEditorTool
+*/
+
+#include "signalsloteditor_tool.h"
+#include "signalsloteditor.h"
+#include "ui4_p.h"
+
+#include <QtDesigner/QDesignerFormWindowInterface>
+
+#include <QtGui/QAction>
+#include <QtCore/qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+using namespace qdesigner_internal;
+
+SignalSlotEditorTool::SignalSlotEditorTool(QDesignerFormWindowInterface *formWindow, QObject *parent)
+    : QDesignerFormWindowToolInterface(parent),
+      m_formWindow(formWindow),
+      m_action(new QAction(tr("Edit Signals/Slots"), this))
+{
+}
+
+SignalSlotEditorTool::~SignalSlotEditorTool()
+{
+}
+
+QDesignerFormEditorInterface *SignalSlotEditorTool::core() const
+{
+    return m_formWindow->core();
+}
+
+QDesignerFormWindowInterface *SignalSlotEditorTool::formWindow() const
+{
+    return m_formWindow;
+}
+
+bool SignalSlotEditorTool::handleEvent(QWidget *widget, QWidget *managedWidget, QEvent *event)
+{
+    Q_UNUSED(widget);
+    Q_UNUSED(managedWidget);
+    Q_UNUSED(event);
+
+    return false;
+}
+
+QWidget *SignalSlotEditorTool::editor() const
+{
+    if (!m_editor) {
+        Q_ASSERT(formWindow() != 0);
+        m_editor = new qdesigner_internal::SignalSlotEditor(formWindow(), 0);
+        connect(formWindow(), SIGNAL(mainContainerChanged(QWidget*)), m_editor, SLOT(setBackground(QWidget*)));
+        connect(formWindow(), SIGNAL(changed()),
+                m_editor, SLOT(updateBackground()));
+    }
+
+    return m_editor;
+}
+
+QAction *SignalSlotEditorTool::action() const
+{
+    return m_action;
+}
+
+void SignalSlotEditorTool::activated()
+{
+    m_editor->enableUpdateBackground(true);
+}
+
+void SignalSlotEditorTool::deactivated()
+{
+    m_editor->enableUpdateBackground(false);
+}
+
+void SignalSlotEditorTool::saveToDom(DomUI *ui, QWidget*)
+{
+    ui->setElementConnections(m_editor->toUi());
+}
+
+void SignalSlotEditorTool::loadFromDom(DomUI *ui, QWidget *mainContainer)
+{
+    m_editor->fromUi(ui->elementConnections(), mainContainer);
+}
+
+QT_END_NAMESPACE
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditor_tool.h b/tools/designer/src/components/signalsloteditor/signalsloteditor_tool.h
new file mode 100644
index 0000000..97ea831
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditor_tool.h
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 SIGNALSLOTEDITOR_TOOL_H
+#define SIGNALSLOTEDITOR_TOOL_H
+
+#include "signalsloteditor_global.h"
+#include "signalsloteditor.h"
+
+#include <QtCore/QPointer>
+#include <QtDesigner/QDesignerFormWindowToolInterface>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormEditorInterface;
+class QDesignerFormWindowInterface;
+class QAction;
+
+namespace qdesigner_internal {
+
+class SignalSlotEditor;
+
+class QT_SIGNALSLOTEDITOR_EXPORT SignalSlotEditorTool: public QDesignerFormWindowToolInterface
+{
+    Q_OBJECT
+public:
+    explicit SignalSlotEditorTool(QDesignerFormWindowInterface *formWindow, QObject *parent = 0);
+    virtual ~SignalSlotEditorTool();
+
+    virtual QDesignerFormEditorInterface *core() const;
+    virtual QDesignerFormWindowInterface *formWindow() const;
+
+    virtual QWidget *editor() const;
+
+    QAction *action() const;
+
+    virtual void activated();
+    virtual void deactivated();
+
+    virtual bool handleEvent(QWidget *widget, QWidget *managedWidget, QEvent *event);
+
+    virtual void saveToDom(DomUI *ui, QWidget *mainContainer);
+    virtual void loadFromDom(DomUI *ui, QWidget *mainContainer);
+
+private:
+    QDesignerFormWindowInterface *m_formWindow;
+    mutable QPointer<qdesigner_internal::SignalSlotEditor> m_editor;
+    QAction *m_action;
+};
+
+}  // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // SIGNALSLOTEDITOR_TOOL_H
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditorwindow.cpp b/tools/designer/src/components/signalsloteditor/signalsloteditorwindow.cpp
new file mode 100644
index 0000000..dc6b3c3
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditorwindow.cpp
@@ -0,0 +1,859 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+TRANSLATOR qdesigner_internal::ConnectionModel
+*/
+
+#include "signalsloteditorwindow.h"
+#include "signalsloteditor_p.h"
+#include "signalsloteditor.h"
+#include "qdesigner_integration_p.h"
+#include "signalslot_utils_p.h"
+
+#include <iconloader_p.h>
+#include <spacer_widget_p.h>
+#include <qlayout_widget_p.h>
+
+#include <QtDesigner/QDesignerFormWindowInterface>
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerFormWindowManagerInterface>
+#include <QtDesigner/QExtensionManager>
+#include <QtDesigner/QDesignerContainerExtension>
+#include <QtDesigner/QDesignerMetaDataBaseInterface>
+#include <QtDesigner/QDesignerFormWindowCursorInterface>
+#include <abstractdialoggui_p.h>
+
+#include <QtCore/QAbstractItemModel>
+#include <QtCore/QDebug>
+#include <QtGui/QAction>
+#include <QtGui/QButtonGroup>
+#include <QtGui/QMenu>
+#include <QtGui/QStandardItemModel>
+#include <QtGui/QComboBox>
+#include <QtGui/QApplication>
+#include <QtGui/QItemDelegate>
+#include <QtGui/QItemEditorFactory>
+#include <QtGui/QTreeView>
+#include <QtGui/QHeaderView>
+#include <QtGui/QVBoxLayout>
+#include <QtGui/QToolButton>
+#include <QtGui/QButtonGroup>
+
+QT_BEGIN_NAMESPACE
+
+// Add suitable form widgets to a list of objects for the  signal slot
+// editor. Prevent special widgets from showing up there.
+static void addWidgetToObjectList(const QWidget *w, QStringList &r)
+{
+    const QMetaObject *mo = w->metaObject();
+    if (mo != &QLayoutWidget::staticMetaObject && mo != &Spacer::staticMetaObject) {
+        const QString name = w->objectName().trimmed();
+        if (!name.isEmpty())
+            r.push_back(name);
+    }
+}
+
+static QStringList objectNameList(QDesignerFormWindowInterface *form)
+{
+    typedef QList<QAction*> ActionList;
+    typedef QList<QButtonGroup *> ButtonGroupList;
+
+    QStringList result;
+
+    QWidget *mainContainer = form->mainContainer();
+    if (!mainContainer)
+        return result;
+
+    // Add main container container pages (QStatusBar, QWizardPages) etc.
+    // to the list. Pages of containers on the form are not added, however.
+    if (const QDesignerContainerExtension *c = qt_extension<QDesignerContainerExtension *>(form->core()->extensionManager(), mainContainer)) {
+        const int count = c->count();
+        for (int i = 0 ; i < count; i++)
+            addWidgetToObjectList(c->widget(i), result);
+    }
+
+    const QDesignerFormWindowCursorInterface *cursor = form->cursor();
+    const int widgetCount = cursor->widgetCount();
+    for (int i = 0; i < widgetCount; ++i)
+        addWidgetToObjectList(cursor->widget(i), result);
+
+    const QDesignerMetaDataBaseInterface *mdb = form->core()->metaDataBase();
+
+    // Add managed actions and actions with managed menus
+    const ActionList actions = qFindChildren<QAction*>(mainContainer);
+    if (!actions.empty()) {
+        const ActionList::const_iterator cend = actions.constEnd();
+        for (ActionList::const_iterator it = actions.constBegin(); it != cend; ++it) {
+            QAction *a = *it;
+            if (!a->isSeparator()) {
+                if (QMenu *menu = a->menu()) {
+                    if (mdb->item(menu))
+                        result.push_back(menu->objectName());
+                } else {
+                    if (mdb->item(a))
+                        result.push_back(a->objectName());
+                }
+            }
+        }
+    }
+
+    // Add  managed buttons groups
+    const ButtonGroupList buttonGroups = qFindChildren<QButtonGroup *>(mainContainer);
+    if (!buttonGroups.empty()) {
+        const ButtonGroupList::const_iterator cend = buttonGroups.constEnd();
+        for (ButtonGroupList::const_iterator it = buttonGroups.constBegin(); it != cend; ++it)
+            if (mdb->item(*it))
+                result.append((*it)->objectName());
+    }
+
+    result.sort();
+    return result;
+}
+
+namespace qdesigner_internal {
+
+// ------------  ConnectionModel
+
+ConnectionModel::ConnectionModel(QObject *parent)  :
+    QAbstractItemModel(parent)
+{
+}
+
+void ConnectionModel::setEditor(SignalSlotEditor *editor)
+{
+    if (m_editor == editor)
+        return;
+
+    if (m_editor) {
+        disconnect(m_editor, SIGNAL(connectionAdded(Connection*)),
+                   this, SLOT(connectionAdded(Connection*)));
+        disconnect(m_editor, SIGNAL(connectionRemoved(int)),
+                   this, SLOT(connectionRemoved(int)));
+        disconnect(m_editor, SIGNAL(aboutToRemoveConnection(Connection*)),
+                   this, SLOT(aboutToRemoveConnection(Connection*)));
+        disconnect(m_editor, SIGNAL(aboutToAddConnection(int)),
+                this, SLOT(aboutToAddConnection(int)));
+        disconnect(m_editor, SIGNAL(connectionChanged(Connection*)),
+                   this, SLOT(connectionChanged(Connection*)));
+    }
+    m_editor = editor;
+    if (m_editor) {
+        connect(m_editor, SIGNAL(connectionAdded(Connection*)),
+                this, SLOT(connectionAdded(Connection*)));
+        connect(m_editor, SIGNAL(connectionRemoved(int)),
+                this, SLOT(connectionRemoved(int)));
+        connect(m_editor, SIGNAL(aboutToRemoveConnection(Connection*)),
+                this, SLOT(aboutToRemoveConnection(Connection*)));
+        connect(m_editor, SIGNAL(aboutToAddConnection(int)),
+                this, SLOT(aboutToAddConnection(int)));
+        connect(m_editor, SIGNAL(connectionChanged(Connection*)),
+                this, SLOT(connectionChanged(Connection*)));
+    }
+    reset();
+}
+
+QVariant ConnectionModel::headerData(int section, Qt::Orientation orientation,
+                                        int role) const
+{
+    if (orientation == Qt::Vertical || role != Qt::DisplayRole)
+        return QVariant();
+
+    static const QVariant senderTitle = tr("Sender");
+    static const QVariant signalTitle = tr("Signal");
+    static const QVariant receiverTitle = tr("Receiver");
+    static const QVariant slotTitle = tr("Slot");
+
+    switch (section) {
+    case 0:
+        return senderTitle;
+    case 1:
+        return signalTitle;
+    case 2:
+        return receiverTitle;
+    case 3:
+        return slotTitle;
+    }
+    return  QVariant();
+}
+
+QModelIndex ConnectionModel::index(int row, int column,
+                                    const QModelIndex &parent) const
+{
+    if (parent.isValid() || !m_editor)
+        return QModelIndex();
+    if (row < 0 || row >= m_editor->connectionCount())
+        return QModelIndex();
+    return createIndex(row, column);
+}
+
+Connection *ConnectionModel::indexToConnection(const QModelIndex &index) const
+{
+    if (!index.isValid() || !m_editor)
+        return 0;
+    if (index.row() < 0 || index.row() >= m_editor->connectionCount())
+        return 0;
+    return m_editor->connection(index.row());
+}
+
+QModelIndex ConnectionModel::connectionToIndex(Connection *con) const
+{
+    Q_ASSERT(m_editor);
+    return createIndex(m_editor->indexOfConnection(con), 0);
+}
+
+QModelIndex ConnectionModel::parent(const QModelIndex&) const
+{
+    return QModelIndex();
+}
+
+int ConnectionModel::rowCount(const QModelIndex &parent) const
+{
+    if (parent.isValid() || !m_editor)
+        return 0;
+    return m_editor->connectionCount();
+}
+
+int ConnectionModel::columnCount(const QModelIndex &parent) const
+{
+    if (parent.isValid())
+        return 0;
+    return 4;
+}
+
+QVariant ConnectionModel::data(const QModelIndex &index, int role) const
+{
+    if ((role != Qt::DisplayRole && role != Qt::EditRole && role != Qt::FontRole && role != Qt::ForegroundRole) || !m_editor)
+        return QVariant();
+
+    if (index.row() < 0 || index.row() >= m_editor->connectionCount()) {
+        return QVariant();
+    }
+
+    const SignalSlotConnection *con = static_cast<SignalSlotConnection*>(m_editor->connection(index.row()));
+    Q_ASSERT(con != 0);
+
+    if (role == Qt::FontRole || role == Qt::ForegroundRole) {
+        bool isQt3Member = false;
+        if (index.column() == 1) {
+            QDesignerFormEditorInterface *core = m_editor->formWindow()->core();
+            isQt3Member = isQt3Signal(core, con->object(CETypes::EndPoint::Source), con->signal());
+        } else if (index.column() == 3) {
+            QDesignerFormEditorInterface *core = m_editor->formWindow()->core();
+            isQt3Member = isQt3Signal(core, con->object(CETypes::EndPoint::Target), con->slot());
+        }
+        if (isQt3Member) {
+            if (role == Qt::ForegroundRole)
+                return Qt::red;
+            QFont font = QApplication::font();
+            font.setItalic(true);
+            return font;
+        }
+        return QVariant();
+    }
+
+    static const QVariant senderDefault = tr("<sender>");
+    static const QVariant signalDefault = tr("<signal>");
+    static const QVariant receiverDefault = tr("<receiver>");
+    static const QVariant slotDefault = tr("<slot>");
+
+    switch (index.column()) {
+        case 0: {
+            const QString sender = con->sender();
+            if (sender.isEmpty())
+                return senderDefault;
+            return sender;
+        }
+        case 1: {
+            const QString signal = con->signal();
+            if (signal.isEmpty())
+                return signalDefault;
+            return signal;
+        }
+        case 2: {
+            const QString receiver = con->receiver();
+            if (receiver.isEmpty())
+                return receiverDefault;
+            return receiver;
+        }
+        case 3: {
+            const QString slot = con->slot();
+            if (slot.isEmpty())
+                return slotDefault;
+            return slot;
+        }
+    }
+    return QVariant();
+}
+
+bool ConnectionModel::setData(const QModelIndex &index, const QVariant &data, int)
+{
+    if (!index.isValid() || !m_editor)
+        return false;
+    if (data.type() != QVariant::String)
+        return false;
+
+    SignalSlotConnection *con = static_cast<SignalSlotConnection*>(m_editor->connection(index.row()));
+    QDesignerFormWindowInterface *form = m_editor->formWindow();
+
+    QString s = data.toString();
+    switch (index.column()) {
+        case 0:
+            if (!s.isEmpty() && !objectNameList(form).contains(s))
+                s.clear();
+            m_editor->setSource(con, s);
+            break;
+        case 1:
+            if (!memberFunctionListContains(form->core(), con->object(CETypes::EndPoint::Source), SignalMember, s))
+                s.clear();
+            m_editor->setSignal(con, s);
+            break;
+        case 2:
+            if (!s.isEmpty() && !objectNameList(form).contains(s))
+                s.clear();
+            m_editor->setTarget(con, s);
+            break;
+        case 3:
+            if (!memberFunctionListContains(form->core(), con->object(CETypes::EndPoint::Target), SlotMember, s))
+                s.clear();
+            m_editor->setSlot(con, s);
+            break;
+    }
+
+    return true;
+}
+
+void ConnectionModel::connectionAdded(Connection*)
+{
+    endInsertRows();
+}
+
+void ConnectionModel::connectionRemoved(int)
+{
+    endRemoveRows();
+}
+
+void ConnectionModel::aboutToRemoveConnection(Connection *con)
+{
+    Q_ASSERT(m_editor);
+    int idx = m_editor->indexOfConnection(con);
+    beginRemoveRows(QModelIndex(), idx, idx);
+}
+
+void ConnectionModel::aboutToAddConnection(int idx)
+{
+    Q_ASSERT(m_editor);
+    beginInsertRows(QModelIndex(), idx, idx);
+}
+
+Qt::ItemFlags ConnectionModel::flags(const QModelIndex&) const
+{
+    return Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled;
+}
+
+void ConnectionModel::connectionChanged(Connection *con)
+{
+    Q_ASSERT(m_editor);
+    const int idx = m_editor->indexOfConnection(con);
+    SignalSlotConnection *changedCon = static_cast<SignalSlotConnection*>(m_editor->connection(idx));
+    SignalSlotConnection *c = 0;
+    for (int i=0; i<m_editor->connectionCount(); ++i) {
+        if (i == idx)
+            continue;
+        c = static_cast<SignalSlotConnection*>(m_editor->connection(i));
+        if (c->sender() == changedCon->sender() && c->signal() == changedCon->signal()
+            && c->receiver() == changedCon->receiver() && c->slot() == changedCon->slot()) {
+            const QString message = tr("The connection already exists!<br>%1").arg(changedCon->toString());
+            m_editor->formWindow()->core()->dialogGui()->message(m_editor->parentWidget(), QDesignerDialogGuiInterface::SignalSlotEditorMessage,
+                                                                 QMessageBox::Warning,  tr("Signal and Slot Editor"), message, QMessageBox::Ok);
+            break;
+        }
+    }
+    emit dataChanged(createIndex(idx, 0), createIndex(idx, 3));
+}
+
+void ConnectionModel::updateAll()
+{
+    emit dataChanged(index(0, 0), index(rowCount(), columnCount()));
+}
+}
+
+namespace {
+// ---------------------- InlineEditorModel
+
+class InlineEditorModel : public QStandardItemModel
+{
+    Q_OBJECT
+public:
+    enum {  TitleItem = 1 };
+
+    InlineEditorModel(int rows, int cols, QObject *parent = 0);
+
+    void addTitle(const QString &title);
+    void addTextList(const QMap<QString, bool> &text_list);
+    void addText(const QString &text);
+    bool isTitle(int idx) const;
+
+    int findText(const QString &text) const;
+
+    virtual Qt::ItemFlags flags(const QModelIndex &index) const;
+};
+
+InlineEditorModel::InlineEditorModel(int rows, int cols, QObject *parent)
+    : QStandardItemModel(rows, cols, parent)
+{
+}
+
+void InlineEditorModel::addTitle(const QString &title)
+{
+    const int cnt = rowCount();
+    insertRows(cnt, 1);
+    QModelIndex cat_idx = index(cnt, 0);
+    setData(cat_idx, title + QLatin1Char(':'), Qt::DisplayRole);
+    setData(cat_idx, TitleItem, Qt::UserRole);
+    QFont font = QApplication::font();
+    font.setBold(true);
+    setData(cat_idx, font, Qt::FontRole);
+}
+
+bool InlineEditorModel::isTitle(int idx) const
+{
+    if (idx == -1)
+        return false;
+
+    return data(index(idx, 0), Qt::UserRole).toInt() == TitleItem;
+}
+
+void InlineEditorModel::addText(const QString &text)
+{
+    const int cnt = rowCount();
+    insertRows(cnt, 1);
+    setData(index(cnt, 0), text, Qt::DisplayRole);
+}
+
+void InlineEditorModel::addTextList(const QMap<QString, bool> &text_list)
+{
+    int cnt = rowCount();
+    insertRows(cnt, text_list.size());
+    QFont font = QApplication::font();
+    font.setItalic(true);
+    QVariant fontVariant = qVariantFromValue(font);
+    QMap<QString, bool>::ConstIterator it = text_list.constBegin();
+    const QMap<QString, bool>::ConstIterator itEnd = text_list.constEnd();
+    while (it != itEnd) {
+        const QModelIndex text_idx = index(cnt++, 0);
+        setData(text_idx, it.key(), Qt::DisplayRole);
+        if (it.value()) {
+            setData(text_idx, fontVariant, Qt::FontRole);
+            setData(text_idx, Qt::red, Qt::ForegroundRole);
+        }
+        ++it;
+    }
+}
+
+Qt::ItemFlags InlineEditorModel::flags(const QModelIndex &index) const
+{
+    if (isTitle(index.row()))
+        return Qt::ItemIsEnabled;
+    else
+        return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
+}
+
+int InlineEditorModel::findText(const QString &text) const
+{
+    const int cnt = rowCount();
+    for (int i = 0; i < cnt; ++i) {
+        const QModelIndex idx = index(i, 0);
+        if (data(idx, Qt::UserRole).toInt() == TitleItem)
+            continue;
+        if (data(idx, Qt::DisplayRole).toString() == text)
+            return i;
+    }
+    return -1;
+}
+
+// ------------  InlineEditor
+class InlineEditor : public QComboBox
+{
+    Q_OBJECT
+    Q_PROPERTY(QString text READ text WRITE setText USER true)
+public:
+    InlineEditor(QWidget *parent = 0);
+
+    QString text() const;
+    void setText(const QString &text);
+
+    void addTitle(const QString &title);
+    void addText(const QString &text);
+    void addTextList(const QMap<QString, bool> &text_list);
+
+private slots:
+    void checkSelection(int idx);
+
+private:
+    InlineEditorModel *m_model;
+    int m_idx;
+};
+
+InlineEditor::InlineEditor(QWidget *parent) :
+    QComboBox(parent),
+    m_idx(-1)
+{
+    setModel(m_model = new InlineEditorModel(0, 4, this));
+    setFrame(false);
+    m_idx = -1;
+    connect(this, SIGNAL(activated(int)), this, SLOT(checkSelection(int)));
+}
+
+void InlineEditor::checkSelection(int idx)
+{
+    if (idx == m_idx)
+        return;
+
+   if (m_model->isTitle(idx))
+        setCurrentIndex(m_idx);
+    else
+        m_idx = idx;
+}
+
+void InlineEditor::addTitle(const QString &title)
+{
+    m_model->addTitle(title);
+}
+
+void InlineEditor::addTextList(const QMap<QString, bool> &text_list)
+{
+    m_model->addTextList(text_list);
+}
+
+void InlineEditor::addText(const QString &text)
+{
+    m_model->addText(text);
+}
+
+QString InlineEditor::text() const
+{
+    return currentText();
+}
+
+void InlineEditor::setText(const QString &text)
+{
+    m_idx = m_model->findText(text);
+    if (m_idx == -1)
+        m_idx = 0;
+    setCurrentIndex(m_idx);
+}
+
+// ------------------ ConnectionDelegate
+
+class ConnectionDelegate : public QItemDelegate
+{
+    Q_OBJECT
+public:
+    ConnectionDelegate(QWidget *parent = 0);
+
+    void setForm(QDesignerFormWindowInterface *form);
+
+    virtual QWidget *createEditor(QWidget *parent,
+                                    const QStyleOptionViewItem &option,
+                                    const QModelIndex &index) const;
+
+private slots:
+    void emitCommitData();
+
+private:
+    QDesignerFormWindowInterface *m_form;
+};
+
+ConnectionDelegate::ConnectionDelegate(QWidget *parent)
+    : QItemDelegate(parent)
+{
+    m_form = 0;
+
+    static QItemEditorFactory *factory = 0;
+    if (factory == 0) {
+        factory = new QItemEditorFactory;
+        QItemEditorCreatorBase *creator
+            = new QItemEditorCreator<InlineEditor>("text");
+        factory->registerEditor(QVariant::String, creator);
+    }
+
+    setItemEditorFactory(factory);
+}
+
+void ConnectionDelegate::setForm(QDesignerFormWindowInterface *form)
+{
+    m_form = form;
+}
+
+QWidget *ConnectionDelegate::createEditor(QWidget *parent,
+                                                const QStyleOptionViewItem &option,
+                                                const QModelIndex &index) const
+{
+    if (m_form == 0)
+        return 0;
+
+    QWidget *w = QItemDelegate::createEditor(parent, option, index);
+    InlineEditor *inline_editor = qobject_cast<InlineEditor*>(w);
+    Q_ASSERT(inline_editor != 0);
+    const QAbstractItemModel *model = index.model();
+
+    const QModelIndex obj_name_idx = model->index(index.row(), index.column() <= 1 ? 0 : 2);
+    const QString obj_name = model->data(obj_name_idx, Qt::DisplayRole).toString();
+
+    switch (index.column()) {
+    case 0:
+    case 2:  { // object names
+        QStringList obj_name_list = objectNameList(m_form);
+        QMap<QString, bool> markedNameList;
+        markedNameList.insert(tr("<object>"), false);
+        inline_editor->addTextList(markedNameList);
+        markedNameList.clear();
+        foreach (const QString &name, obj_name_list)
+            markedNameList.insert(name, false);
+        inline_editor->addTextList(markedNameList);
+    }
+        break;
+    case 1:
+    case 3: { // signals, slots
+        const qdesigner_internal::MemberType type = index.column() == 1 ? qdesigner_internal::SignalMember : qdesigner_internal::SlotMember;
+        const QModelIndex peer_index = model->index(index.row(), type == qdesigner_internal::SignalMember ? 3 : 1);
+        const QString peer = model->data(peer_index, Qt::DisplayRole).toString();
+
+        const qdesigner_internal::ClassesMemberFunctions class_list = qdesigner_internal::reverseClassesMemberFunctions(obj_name, type, peer, m_form);
+
+        QObject *object = qFindChild<QObject*>(m_form, obj_name);
+
+        inline_editor->addText(type == qdesigner_internal::SignalMember ? tr("<signal>") : tr("<slot>"));
+        foreach (const qdesigner_internal::ClassMemberFunctions &class_info, class_list) {
+            if (class_info.m_className.isEmpty() || class_info.m_memberList.isEmpty())
+                continue;
+            QStringList memberList = class_info.m_memberList;
+            QMap<QString, bool> markedMemberList;
+            foreach (const QString &member, memberList) {
+                bool mark = false;
+                if (type == qdesigner_internal::SignalMember)
+                    mark = qdesigner_internal::isQt3Signal(m_form->core(), object, member);
+                else
+                    mark = qdesigner_internal::isQt3Slot(m_form->core(), object, member);
+
+                if (!mark)
+                    markedMemberList.insert(member, mark);
+            }
+            inline_editor->addTitle(class_info.m_className);
+            inline_editor->addTextList(markedMemberList);
+        }
+    }
+        break;
+    default:
+        break;
+    }
+
+    connect(inline_editor, SIGNAL(activated(int)), this, SLOT(emitCommitData()));
+
+    return inline_editor;
+}
+
+void ConnectionDelegate::emitCommitData()
+{
+    InlineEditor *editor = qobject_cast<InlineEditor*>(sender());
+    emit commitData(editor);
+}
+
+}
+
+namespace qdesigner_internal {
+
+/*******************************************************************************
+** SignalSlotEditorWindow
+*/
+
+SignalSlotEditorWindow::SignalSlotEditorWindow(QDesignerFormEditorInterface *core,
+                                                QWidget *parent)  :
+    QWidget(parent),
+    m_view(new QTreeView),
+    m_editor(0),
+    m_add_button(new QToolButton),
+    m_remove_button(new QToolButton),
+    m_core(core),
+    m_model(new ConnectionModel(this)),
+    m_handling_selection_change(false)
+{
+    m_view->setModel(m_model);
+    m_view->setItemDelegate(new ConnectionDelegate(this));
+    m_view->setEditTriggers(QAbstractItemView::DoubleClicked
+                                | QAbstractItemView::EditKeyPressed);
+    m_view->setRootIsDecorated(false);
+    m_view->setTextElideMode (Qt::ElideMiddle);
+    connect(m_view, SIGNAL(activated(QModelIndex)), this, SLOT(updateUi()));
+    connect(m_view->header(), SIGNAL(sectionDoubleClicked(int)), m_view, SLOT(resizeColumnToContents(int)));
+
+    QVBoxLayout *layout = new QVBoxLayout(this);
+    layout->setMargin(0);
+    layout->addWidget(m_view);
+
+    QHBoxLayout *layout2 = new QHBoxLayout;
+    layout2->setMargin(3);
+    layout->addLayout(layout2);
+    layout2->addStretch();
+
+    m_remove_button->setIcon(createIconSet(QLatin1String("minus.png")));
+    connect(m_remove_button, SIGNAL(clicked()), this, SLOT(removeConnection()));
+    layout2->addWidget(m_remove_button);
+
+    m_add_button->setIcon(createIconSet(QLatin1String("plus.png")));
+    connect(m_add_button, SIGNAL(clicked()), this, SLOT(addConnection()));
+    layout2->addWidget(m_add_button);
+
+    connect(core->formWindowManager(),
+            SIGNAL(activeFormWindowChanged(QDesignerFormWindowInterface*)),
+                this, SLOT(setActiveFormWindow(QDesignerFormWindowInterface*)));
+
+    updateUi();
+}
+
+void SignalSlotEditorWindow::setActiveFormWindow(QDesignerFormWindowInterface *form)
+{
+    QDesignerIntegration *integration = qobject_cast<QDesignerIntegration *>(m_core->integration());
+
+    if (!m_editor.isNull()) {
+        disconnect(m_view->selectionModel(),
+                    SIGNAL(currentChanged(QModelIndex,QModelIndex)),
+                    this, SLOT(updateEditorSelection(QModelIndex)));
+        disconnect(m_editor, SIGNAL(connectionSelected(Connection*)),
+                    this, SLOT(updateDialogSelection(Connection*)));
+        if (integration) {
+            disconnect(integration, SIGNAL(objectNameChanged(QDesignerFormWindowInterface *, QObject *, QString, QString)),
+                    this, SLOT(objectNameChanged(QDesignerFormWindowInterface *, QObject *, QString, QString)));
+        }
+    }
+
+    m_editor = qFindChild<SignalSlotEditor*>(form);
+    m_model->setEditor(m_editor);
+    if (!m_editor.isNull()) {
+        ConnectionDelegate *delegate
+            = qobject_cast<ConnectionDelegate*>(m_view->itemDelegate());
+        if (delegate != 0)
+            delegate->setForm(form);
+
+        connect(m_view->selectionModel(),
+                SIGNAL(currentChanged(QModelIndex,QModelIndex)),
+                this, SLOT(updateEditorSelection(QModelIndex)));
+        connect(m_editor, SIGNAL(connectionSelected(Connection*)),
+                this, SLOT(updateDialogSelection(Connection*)));
+        if (integration) {
+            connect(integration, SIGNAL(objectNameChanged(QDesignerFormWindowInterface *, QObject *, QString, QString)),
+                    this, SLOT(objectNameChanged(QDesignerFormWindowInterface *, QObject *, QString, QString)));
+        }
+    }
+
+    updateUi();
+}
+
+void SignalSlotEditorWindow::updateDialogSelection(Connection *con)
+{
+    if (m_handling_selection_change || m_editor == 0)
+        return;
+
+    QModelIndex index = m_model->connectionToIndex(con);
+    if (index == m_view->currentIndex())
+        return;
+    m_handling_selection_change = true;
+    m_view->setCurrentIndex(index);
+    m_handling_selection_change = false;
+
+    updateUi();
+}
+
+void SignalSlotEditorWindow::updateEditorSelection(const QModelIndex &index)
+{
+    if (m_handling_selection_change || m_editor == 0)
+        return;
+
+    if (m_editor == 0)
+        return;
+
+    Connection *con = m_model->indexToConnection(index);
+    if (m_editor->selected(con))
+        return;
+    m_handling_selection_change = true;
+    m_editor->selectNone();
+    m_editor->setSelected(con, true);
+    m_handling_selection_change = false;
+
+    updateUi();
+}
+
+void SignalSlotEditorWindow::objectNameChanged(QDesignerFormWindowInterface *, QObject *, const QString &, const QString &)
+{
+    if (m_editor)
+        m_model->updateAll();
+}
+
+void SignalSlotEditorWindow::addConnection()
+{
+    if (m_editor.isNull())
+        return;
+
+    m_editor->addEmptyConnection();
+    updateUi();
+}
+
+void SignalSlotEditorWindow::removeConnection()
+{
+    if (m_editor.isNull())
+        return;
+
+    m_editor->deleteSelected();
+    updateUi();
+}
+
+void SignalSlotEditorWindow::updateUi()
+{
+    m_add_button->setEnabled(!m_editor.isNull());
+    m_remove_button->setEnabled(!m_editor.isNull() && m_view->currentIndex().isValid());
+}
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#include "signalsloteditorwindow.moc"
diff --git a/tools/designer/src/components/signalsloteditor/signalsloteditorwindow.h b/tools/designer/src/components/signalsloteditor/signalsloteditorwindow.h
new file mode 100644
index 0000000..417e44b
--- /dev/null
+++ b/tools/designer/src/components/signalsloteditor/signalsloteditorwindow.h
@@ -0,0 +1,94 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 SIGNALSLOTEDITORWINDOW_H
+#define SIGNALSLOTEDITORWINDOW_H
+
+#include <QtCore/QPointer>
+#include <QtGui/QWidget>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormWindowInterface;
+class QDesignerFormEditorInterface;
+class QModelIndex;
+class QTreeView;
+class QToolButton;
+
+namespace qdesigner_internal {
+
+class SignalSlotEditor;
+class ConnectionModel;
+class Connection;
+
+class SignalSlotEditorWindow : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit SignalSlotEditorWindow(QDesignerFormEditorInterface *core, QWidget *parent = 0);
+
+public slots:
+    void setActiveFormWindow(QDesignerFormWindowInterface *form);
+
+private slots:
+    void updateDialogSelection(Connection *con);
+    void updateEditorSelection(const QModelIndex &index);
+
+    void objectNameChanged(QDesignerFormWindowInterface *formWindow, QObject *object, const QString &newName, const QString &oldName);
+
+    void addConnection();
+    void removeConnection();
+    void updateUi();
+
+private:
+    QTreeView *m_view;
+    QPointer<SignalSlotEditor> m_editor;
+    QToolButton *m_add_button, *m_remove_button;
+    QDesignerFormEditorInterface *m_core;
+    ConnectionModel *m_model;
+    bool m_handling_selection_change;
+};
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // SIGNALSLOTEDITORWINDOW_H