make the server a non gui application

this required a lot of reorganization:
- don't create ANY pixmaps. that requires QtGui
- don't create and QtWidgets
- thus SceneHolder is now a QGraphisScene itself
- and MainWidgets is a QWidget having SceneHolder as member variable

1 files changed, 2 insertions, 1 deletions

diff --git a/pacman-c++/mainwidget.h b/pacman-c++/mainwidget.h
index ec053a0..589377b 100644
--- a/pacman-c++/mainwidget.h
+++ b/pacman-c++/mainwidget.h
@@ -12,7 +12,7 @@
 class Actor;
 
 class MainWidget
-  : public SceneHolder
+  : public QWidget
 {
   Q_OBJECT
 
@@ -51,6 +51,7 @@ private:
   bool m_running;
 
   QTcpSocket *m_socket;
+  SceneHolder *m_scene;
 };
 
 #endif // MAINWIDGET_H