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, 4 insertions, 0 deletions

diff --git a/pacman-c++/point.cpp b/pacman-c++/point.cpp
index 4f76007..35266f6 100644
--- a/pacman-c++/point.cpp
+++ b/pacman-c++/point.cpp
@@ -10,6 +10,10 @@ namespace
 Point::Point(QGraphicsItem *parent)
   : PixmapItem(parent)
 {
+  /* empty object for servers */
+  if (Constants::server)
+    return;
+
   if (pixmap == NULL)
     pixmap = new QPixmap(":/points");
   setPixmap(*pixmap);