diff --git a/src/View/Network/GraphWidget.py b/src/View/Network/GraphWidget.py
index 83aa8014..4646a011 100644
--- a/src/View/Network/GraphWidget.py
+++ b/src/View/Network/GraphWidget.py
@@ -925,9 +925,11 @@ class GraphWidget(QGraphicsView):
         self.scale(scaleFactor, scaleFactor)
 
     def mousePressEvent(self, event):
-        if self._only_display or self.graph._status.is_read_only():
+        if self._only_display:
             return
 
+        locked = self.graph._status.is_read_only()
+
         pos = self.mapToScene(event.pos())
         self.clicked = True
 
@@ -936,9 +938,6 @@ class GraphWidget(QGraphicsView):
             super(GraphWidget, self).mousePressEvent(event)
             return
 
-        if self.graph._status.is_read_only():
-            return
-
         # Move item and select edge item
         if self._state == "move":
             self._selected_new_edge_src_node = None
@@ -948,39 +947,41 @@ class GraphWidget(QGraphicsView):
                 edge = items[0]
                 if edge:
                     self.set_current_edge(edge)
-            elif items and type(items[0]) is NodeItem:
-                self._mouse_origin_x = pos.x()
-                self._mouse_origin_y = pos.y()
-                self._current_moved_node = items[0]
+            if not locked:
+                if items and type(items[0]) is NodeItem:
+                    self._mouse_origin_x = pos.x()
+                    self._mouse_origin_y = pos.y()
+                    self._current_moved_node = items[0]
 
-        # Add nodes and edges
-        elif self._state == "add":
-            items = self.items(event.pos())
-            nodes = list(filter(lambda i: type(i) is NodeItem, items))
-            if not nodes:
-                self.add_node(pos)
-                self.set_selected_new_edge_src_node(None)
-            else:
-                if self.selected_new_edge_src_node() is None:
-                    self.set_selected_new_edge_src_node(nodes[0])
+        if not locked:
+            # Add nodes and edges
+            if self._state == "add":
+                items = self.items(event.pos())
+                nodes = list(filter(lambda i: type(i) is NodeItem, items))
+                if not nodes:
+                    self.add_node(pos)
+                    self.set_selected_new_edge_src_node(None)
                 else:
-                    self.add_edge(self.selected_new_edge_src_node(), nodes[0])
+                    if self.selected_new_edge_src_node() is None:
+                        self.set_selected_new_edge_src_node(nodes[0])
+                    else:
+                        self.add_edge(self.selected_new_edge_src_node(), nodes[0])
 
-        # Delete nodes and edges
-        elif self._state == "del":
-            self._selected_new_edge_src_node = None
-            items = list(
-                filter(
-                    lambda i: type(i) is NodeItem or type(i) is EdgeItem,
-                    self.items(event.pos())
+            # Delete nodes and edges
+            elif self._state == "del":
+                self._selected_new_edge_src_node = None
+                items = list(
+                    filter(
+                        lambda i: type(i) is NodeItem or type(i) is EdgeItem,
+                        self.items(event.pos())
+                    )
                 )
-            )
-            if len(items) > 0:
-                item = items[0]
-                if type(item) is NodeItem:
-                    self.del_node(item)
-                elif type(item) is EdgeItem:
-                    self.del_edge(item)
+                if len(items) > 0:
+                    item = items[0]
+                    if type(item) is NodeItem:
+                        self.del_node(item)
+                    elif type(item) is EdgeItem:
+                        self.del_edge(item)
 
         self.update()
         super(GraphWidget, self).mousePressEvent(event)
@@ -988,10 +989,12 @@ class GraphWidget(QGraphicsView):
     def mouseReleaseEvent(self, event):
         self.clicked = False
 
-        if self._only_display or self.graph._status.is_read_only():
+        if self._only_display:
             return
 
-        if self._state == "move":
+        locked = self.graph._status.is_read_only()
+
+        if not locked and self._state == "move":
             if self._current_moved_node is not None:
                 pos = self.mapToScene(event.pos())
                 self._undo.push(
@@ -1007,10 +1010,8 @@ class GraphWidget(QGraphicsView):
         super(GraphWidget, self).mouseReleaseEvent(event)
 
     def mouseMoveEvent(self, event):
-        if self.graph._status.is_read_only():
-            return
-
         pos = self.mapToScene(event.pos())
+        locked = self.graph._status.is_read_only()
 
         # Selecte item on the fly
         items = self.items(event.pos())