--- a/contactengine/mainwindow.h	Mon Aug 16 15:57:18 2010 -0700
+++ b/contactengine/mainwindow.h	Wed Aug 18 16:39:30 2010 -0700
@@ -3,6 +3,7 @@
 
 #include <QMainWindow>
 #include "contactsengine.h"
+#include "detailsgv.h"
 
 namespace Ui {
     class MainWindow;
@@ -13,6 +14,10 @@
     Q_OBJECT
 
 public:
+    // this enum is used as in index for the QStackedWidget.
+    enum {EListPage = 0, // lists of contacts
+          EDetailsGV}; // presents list of details for a contact based on Graphics View
+
     explicit MainWindow(QWidget *parent = 0);
     ~MainWindow();
     void createMenus();
@@ -20,11 +25,15 @@
 public slots:
     void errorOccurred(QString errMsg);
     void displayVersion();
-
+    void displayDetails();
+    void displayList();
 
 private:
+    DetailsGV *details;
+    QAction *detailsAction;
     QAction *verAction;
     QAction *exitAction;
+
     Ui::MainWindow *ui;
     ContactsEngine *ce;
 };