Added more functionality for new DBC editing system. Tweaked graphics of CANDataGrid a bit.

dbc/dbcmessageeditor.h

@@ -19,6 +19,10 @@ public:
     void showEvent(QShowEvent*);
     void setMessageRef(DBC_MESSAGE *msg);
     void setFileIdx(int idx);
+    void refreshView();
+
+signals:
+    void updatedTreeInfo(QString oldData, QString newData, int type);
 
 private:
     Ui::DBCMessageEditor *ui;
@@ -31,7 +35,6 @@ private:
     bool eventFilter(QObject *obj, QEvent *event);
     void readSettings();
     void writeSettings();
-    void refreshView();
     void generateSampleText();
 };