Inspector: Update Editor on object selection

When an object is selected in the Inspector, the
Editor is updated to show the relevant code.

Task-number: QTCREATORBUG-8246

Change-Id: I4f7fbcccdeb22849682fa72c63e87a78f48d185b
Reviewed-by: hjk <qthjk@ovi.com>
Reviewed-by: Christiaan Janssen <christiaan.janssen@digia.com>

src/libs/utils/basetreeview.h

@@ -49,6 +49,7 @@ public:
 
     void setModel(QAbstractItemModel *model);
     virtual void rowActivated(const QModelIndex &) {}
+    virtual void rowClicked(const QModelIndex &) {}
     void mousePressEvent(QMouseEvent *ev);
 
 public slots:
@@ -61,6 +62,7 @@ protected slots:
 
 private slots:
     void rowActivatedHelper(const QModelIndex &index) { rowActivated(index); }
+    void rowClickedHelper(const QModelIndex &index) { rowClicked(index); }
     void headerSectionClicked(int logicalIndex);
 
 private: