Cleanup: Move node editor files to proper namespace

This commit moves code in all node editor files to the
`blender::ed::space_node` namespace, except for C API
functions defined in `ED_node.h`, which can only be moved
once all areas calling them are moved to C++.

The change is fairly straightforward, I just moved a couple
of "ED_" code blocks around to make the namespace more
contiguous, and there's the method for adding a pointer to
a struct in a C++ namespace in DNA.

Differential Revision: https://developer.blender.org/D13871

1 files changed, 12 insertions, 1 deletions

diff --git a/source/blender/editors/space_node/node_templates.cc b/source/blender/editors/space_node/node_templates.cc
index 74c0d2124cd..113e2bd3bb3 100644
--- a/source/blender/editors/space_node/node_templates.cc
+++ b/source/blender/editors/space_node/node_templates.cc
@@ -53,9 +53,10 @@
 
 #include "ED_undo.h"
 
-using blender::Vector;
 using blender::nodes::NodeDeclaration;
 
+namespace blender::ed::space_node {
+
 /************************* Node Socket Manipulation **************************/
 
 /* describes an instance of a node type and a specific socket to link */
@@ -716,9 +717,13 @@ static void ui_template_node_link_menu(bContext *C, uiLayout *layout, void *but_
   ui_node_menu_column(arg, NODE_CLASS_GROUP, N_("Group"));
 }
 
+}  // namespace blender::ed::space_node
+
 void uiTemplateNodeLink(
     uiLayout *layout, bContext *C, bNodeTree *ntree, bNode *node, bNodeSocket *input)
 {
+  using namespace blender::ed::space_node;
+
   uiBlock *block = uiLayoutGetBlock(layout);
   NodeLinkArg *arg;
   uiBut *but;
@@ -760,6 +765,8 @@ void uiTemplateNodeLink(
   }
 }
 
+namespace blender::ed::space_node {
+
 /**************************** Node Tree Layout *******************************/
 
 static void ui_node_draw_input(
@@ -912,9 +919,13 @@ static void ui_node_draw_input(
   node->flag &= ~NODE_TEST;
 }
 
+}  // namespace blender::ed::space_node
+
 void uiTemplateNodeView(
     uiLayout *layout, bContext *C, bNodeTree *ntree, bNode *node, bNodeSocket *input)
 {
+  using namespace blender::ed::space_node;
+
   bNode *tnode;
 
   if (!ntree) {