backdrop wrap nodes.

Author: jchanvfx

NodeGraphQt/base/node.py

@@ -1218,6 +1218,15 @@ def auto_size(self):
         """
         self.view.auto_resize()
 
+    def wrap_nodes(self, nodes):
+        """
+        Wrap backdrop size to fit around specified nodes.
+
+        Args:
+            nodes (list[NodeGraphQt.NodeObject]): list of nodes.
+        """
+        self.view.auto_resize([n.view for n in nodes])
+
     def nodes(self):
         """
         Returns nodes wrapped within the backdrop node.

example.py

@@ -214,11 +214,15 @@ def show_nodes_list(node):
     bar_node.set_name('icon node')
     bar_node.set_pos(-70, 10)
 
-    # connect the nodes
+    # connect the nodes.
     foo_node.set_output(0, bar_node.input(2))
     menu_node.set_input(0, bar_node.output(1))
     bar_node.set_input(0, text_node.output(0))
 
+    # wrap a backdrop node.
+    backdrop_node = graph.create_node('nodeGraphQt.nodes.BackdropNode')
+    backdrop_node.wrap_nodes([my_node, menu_node])
+
     graph.fit_to_selection()
 
     app.exec_()