QmlCppDebugger: Fix tool tip expression

Change-Id: I1dd81d87c744b4a7f8bd86ac08d95bc5e63bd17f
Reviewed-by: Christiaan Janssen <christiaan.janssen@nokia.com>

src/plugins/debugger/qml/qmlcppengine.cpp

@@ -40,6 +40,9 @@
 
 #include <coreplugin/icore.h>
 #include <utils/qtcassert.h>
+#include <texteditor/itexteditor.h>
+#include <qmljseditor/qmljseditorconstants.h>
+#include <cppeditor/cppeditorconstants.h>
 
 #include <QTimer>
 #include <QMainWindow>
@@ -127,11 +130,20 @@ QmlCppEngine::~QmlCppEngine()
     delete d;
 }
 
+bool QmlCppEngine::canDisplayTooltip() const
+{
+    return d->m_cppEngine->canDisplayTooltip() || d->m_qmlEngine->canDisplayTooltip();
+}
+
 bool QmlCppEngine::setToolTipExpression(const QPoint & mousePos,
         TextEditor::ITextEditor *editor, const DebuggerToolTipContext &ctx)
 {
-    //FIXIT:: This is broken!!
+    bool success = false;
-    return d->m_activeEngine->setToolTipExpression(mousePos, editor, ctx);
+    if (editor->id() == CppEditor::Constants::CPPEDITOR_ID)
+        success = d->m_cppEngine->setToolTipExpression(mousePos, editor, ctx);
+    else if (editor->id() == QmlJSEditor::Constants::C_QMLJSEDITOR_ID)
+        success = d->m_qmlEngine->setToolTipExpression(mousePos, editor, ctx);
+    return success;
 }
 
 void QmlCppEngine::updateWatchData(const WatchData &data,

src/plugins/debugger/qml/qmlcppengine.h

@@ -50,6 +50,7 @@ public:
                           QString *errorMessage);
     ~QmlCppEngine();
 
+    bool canDisplayTooltip() const;
     bool setToolTipExpression(const QPoint &mousePos,
         TextEditor::ITextEditor * editor, const DebuggerToolTipContext &);
     void updateWatchData(const WatchData &data,