*Very* drastic changes to the graphing system. Now all graphs are done very much like DBC signals. Quite a bit has changed.

This commit compiles but the results are all funky. Just committing to give a good reference point during debugging. Don't
use compiles from this revision. Wait young Jedi...

newgraphdialog.h

@@ -16,6 +16,7 @@ class NewGraphDialog : public QDialog
 public:
     explicit NewGraphDialog(DBCHandler *handler, QWidget *parent = 0);
     ~NewGraphDialog();
+    void showEvent(QShowEvent*);
     void getParams(GraphParams &);
     void setParams(GraphParams &);
     void clearParams();
@@ -25,13 +26,15 @@ private slots:
     void colorSwatchClick();
     void loadMessages();
     void loadSignals(int idx);
-    void fillFormFromSignal(int idx);
-    void setSignalActive(bool);
-    void setStandardActive(bool);
+    void bitfieldClicked(int,int);
+    void handleDataLenUpdate();
+    void drawBitfield();
+    void copySignalToParamsUI();
 
 private:
     Ui::NewGraphDialog *ui;
     DBCHandler *dbcHandler;
+    int startBit, dataLen;
 };
 
 #endif // NEWGRAPHDIALOG_H