network: Change color.

src/View/Network/GraphWidget.py

@@ -52,7 +52,7 @@ class NodeItem(QGraphicsItem):
 
         # Select color in function of node position in graph and
         # status
-        color = Qt.black
+        color = Qt.darkBlue
         if self.graph.selected_new_edge_src_node() == self:
             color = Qt.darkRed
         elif self.graph.selected_item() == self:
@@ -139,7 +139,7 @@ class EdgeItem(QGraphicsItem):
             return
 
         # Select color
-        color = Qt.black
+        color = Qt.darkBlue
         if self.graph.selected_item() == self:
             color = Qt.red
         elif self.graph.current_edge() == self: