diff --git a/src/plugins/debugger/cdb/cdbengine.cpp b/src/plugins/debugger/cdb/cdbengine.cpp
index eac60689529..75631349262 100644
--- a/src/plugins/debugger/cdb/cdbengine.cpp
+++ b/src/plugins/debugger/cdb/cdbengine.cpp
@@ -561,6 +561,7 @@ bool CdbEngine::setToolTipExpression(const QPoint &mousePos,
     }
     DebuggerToolTipWidget *tw = new DebuggerToolTipWidget;
     tw->setContext(context);
+    tw->setDebuggerModel(LocalsWatch);
     tw->setExpression(exp);
     tw->acquireEngine(this);
     DebuggerToolTipManager::instance()->showToolTip(mousePos, editor, tw);
diff --git a/src/plugins/debugger/debuggertooltipmanager.cpp b/src/plugins/debugger/debuggertooltipmanager.cpp
index ce88fe08a05..a07389ddec0 100644
--- a/src/plugins/debugger/debuggertooltipmanager.cpp
+++ b/src/plugins/debugger/debuggertooltipmanager.cpp
@@ -38,7 +38,6 @@
 #include "watchutils.h"
 #include "stackhandler.h"
 #include "debuggercore.h"
-#include "debuggerinternalconstants.h"
 
 #include <coreplugin/icore.h>
 #include <coreplugin/modemanager.h>
@@ -579,7 +578,7 @@ QDebug operator<<(QDebug d, const DebuggerToolTipContext &c)
     It consists of a title toolbar and a vertical main layout.
     The widget has the ability to save/restore tree model contents to XML.
     With the engine acquired, it sets a filter model (by expression) on
-    the engine's Locals model.
+    one of the engine's models (debuggerModel).
     On release, it serializes and restores the data to a QStandardItemModel
     (defaultModel) and displays that.
 
@@ -618,6 +617,7 @@ DebuggerToolTipWidget::DebuggerToolTipWidget(QWidget *parent) :
     m_titleLabel(new DraggableLabel),
     m_engineAcquired(false),
     m_creationDate(QDate::currentDate()),
+    m_debuggerModel(TooltipsWatch),
     m_treeView(new DebuggerToolTipTreeView),
     m_defaultModel(new QStandardItemModel(this))
 {
@@ -651,8 +651,8 @@ DebuggerToolTipWidget::DebuggerToolTipWidget(QWidget *parent) :
 }
 
 bool DebuggerToolTipWidget::matches(const QString &fileName,
-                                    const QString &engineType,
-                                    const QString &function) const
+                                            const QString &engineType,
+                                            const QString &function) const
 {
     if (fileName.isEmpty() || m_context.fileName != fileName)
         return false;
@@ -994,7 +994,18 @@ void DebuggerToolTipTreeView::computeSize()
 void DebuggerToolTipWidget::doAcquireEngine(Debugger::DebuggerEngine *engine)
 {
     // Create a filter model on the debugger's model and switch to it.
-    QAbstractItemModel *model = engine->localsModel();
+    QAbstractItemModel *model = 0;
+    switch (m_debuggerModel) {
+    case LocalsWatch:
+        model = engine->localsModel();
+        break;
+    case WatchersWatch:
+        model = engine->watchersModel();
+        break;
+    case TooltipsWatch:
+        model = engine->toolTipsModel();
+        break;
+    }
     QTC_ASSERT(model, return);
     DebuggerToolTipExpressionFilterModel *filterModel =
             new DebuggerToolTipExpressionFilterModel(model, m_expression);
@@ -1006,7 +1017,7 @@ QAbstractItemModel *DebuggerToolTipWidget::swapModel(QAbstractItemModel *newMode
     QAbstractItemModel *oldModel = m_treeView->swapModel(newModel);
     // When looking at some 'this.m_foo.x', expand all items
     if (newModel) {
-        if (const int level = m_expression.count(QLatin1Char('.')) + 1) {
+        if (const int level = m_expression.count(QLatin1Char('.'))) {
             QModelIndex index = newModel->index(0, 0);
             for (int i = 0; i < level && index.isValid(); i++, index = index.child(0, 0))
                 m_treeView->setExpanded(index, true);
@@ -1068,6 +1079,7 @@ void DebuggerToolTipWidget::doSaveSessionData(QXmlStreamWriter &w) const
 {
     w.writeStartElement(QLatin1String(treeElementC));
     QXmlStreamAttributes attributes;
+    attributes.append(QLatin1String(treeModelAttributeC), QString::number(m_debuggerModel));
     attributes.append(QLatin1String(treeExpressionAttributeC), m_expression);
     w.writeAttributes(attributes);
     if (QAbstractItemModel *model = m_treeView->model()) {
@@ -1083,9 +1095,10 @@ void DebuggerToolTipWidget::doLoadSessionData(QXmlStreamReader &r)
         return;
     // Restore data to default model and show that.
     const QXmlStreamAttributes attributes = r.attributes();
+    m_debuggerModel = attributes.value(QLatin1String(treeModelAttributeC)).toString().toInt();
     m_expression = attributes.value(QLatin1String(treeExpressionAttributeC)).toString();
     if (debugToolTips)
-        qDebug() << "DebuggerTreeViewToolTipWidget::doLoadSessionData() "  << m_expression;
+        qDebug() << "DebuggerTreeViewToolTipWidget::doLoadSessionData() " << m_debuggerModel << m_expression;
     setObjectName(QLatin1String("DebuggerTreeViewToolTipWidget: ") + m_expression);
     restoreTreeModel(r, m_defaultModel);
     r.readNext(); // Skip </tree>
diff --git a/src/plugins/debugger/debuggertooltipmanager.h b/src/plugins/debugger/debuggertooltipmanager.h
index 8c995c622f4..b64209f4700 100644
--- a/src/plugins/debugger/debuggertooltipmanager.h
+++ b/src/plugins/debugger/debuggertooltipmanager.h
@@ -54,6 +54,7 @@ QT_END_NAMESPACE
 
 namespace Core {
 class IEditor;
+class IMode;
 }
 
 namespace TextEditor {
@@ -64,7 +65,6 @@ namespace Debugger {
 class DebuggerEngine;
 
 namespace Internal {
-
 class DraggableLabel;
 class DebuggerToolTipEditor;
 
@@ -103,9 +103,8 @@ public:
     QString function() const { return m_context.function; }
     int position() const { return m_context.position; }
     // Check for a match at position.
-
     bool matches(const QString &fileName,
-                 const QString &engineType,
+                 const QString &engineType = QString(),
                  const QString &function= QString()) const;
 
     const DebuggerToolTipContext &context() const { return m_context; }
@@ -122,6 +121,8 @@ public:
 
     static DebuggerToolTipWidget *loadSessionData(QXmlStreamReader &r);
 
+    int debuggerModel() const { return m_debuggerModel; }
+    void setDebuggerModel(int m) { m_debuggerModel = m; }
     QString expression() const { return m_expression; }
     void setExpression(const QString &e) { m_expression = e; }
 
@@ -165,6 +166,7 @@ private:
     QAbstractItemModel *swapModel(QAbstractItemModel *newModel);
     static void restoreTreeModel(QXmlStreamReader &r, QStandardItemModel *m);
 
+    int m_debuggerModel;
     QString m_expression;
 
     DebuggerToolTipTreeView *m_treeView;
diff --git a/src/plugins/debugger/gdb/gdbengine.cpp b/src/plugins/debugger/gdb/gdbengine.cpp
index 460de991f49..ba6276e7934 100644
--- a/src/plugins/debugger/gdb/gdbengine.cpp
+++ b/src/plugins/debugger/gdb/gdbengine.cpp
@@ -3786,6 +3786,7 @@ bool GdbEngine::showToolTip()
         return true;
     }
     DebuggerToolTipWidget *tw = new DebuggerToolTipWidget;
+    tw->setDebuggerModel(TooltipsWatch);
     tw->setExpression(expression);
     tw->setContext(*m_toolTipContext);
     tw->acquireEngine(this);