Network: correct a crashing bug that happened when we tried to right click on the canvas of network after selecting a first point to create an edge

src/View/Network/GraphWidget.py

@@ -928,6 +928,11 @@ class GraphWidget(QGraphicsView):
         if self._only_display:
             return
 
+        if event.button() == Qt.RightButton \
+                and self._block_right_click_in_add_state():
+            event.accept()
+            return
+
         locked = self.graph._status.is_read_only()
 
         pos = self.mapToScene(event.pos())
@@ -1062,7 +1067,15 @@ class GraphWidget(QGraphicsView):
 
     # Contextual menu
 
+    def _block_right_click_in_add_state(self):
+        return self._state == "add" \
+            and self.selected_new_edge_src_node() is not None
+
     def contextMenuEvent(self, event):
+        if self._block_right_click_in_add_state():
+            event.accept()
+            return
+
         if self._only_display or self.graph._status.is_read_only():
             return
 

src/View/Network/Window.py

@@ -180,7 +180,11 @@ class NetworkWindow(PamhyrWindow):
         key = event.key()
 
         if key == Qt.Key_Escape:
-            self._graph_widget.reset_selection
+            self._graph_widget.reset_selection()
+            event.accept()
+            return
+
+        super(NetworkWindow, self).keyPressEvent(event)
 
     def add_node_reservoir(self, node):
         if self._reservoir.get_assoc_to_node(node) is None: