Nodes: Begin splitting composite node buttons into individual files

Currently, most node buttons are defined in `drawnode.cc` however,
this is inconvenient because it requires editing many files when adding new nodes.
The goal is to minimize the number of files needed to add or update a node.

This commit moves most of the node layout functions for composite nodes into their respected
`source/blender/nodes/composite/nodes` file.

In the future, these functions will be simplified to `node_layout` once files have their own namespace.
See {D13466} for more information.

Reviewed By: HooglyBoogly

Differential Revision: https://developer.blender.org/D13523

1 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/nodes/composite/nodes/node_composite_bilateralblur.cc b/source/blender/nodes/composite/nodes/node_composite_bilateralblur.cc
index 7ec28fba460..3f107a13a44 100644
--- a/source/blender/nodes/composite/nodes/node_composite_bilateralblur.cc
+++ b/source/blender/nodes/composite/nodes/node_composite_bilateralblur.cc
@@ -21,6 +21,9 @@
  * \ingroup cmpnodes
  */
 
+#include "UI_interface.h"
+#include "UI_resources.h"
+
 #include "node_composite_util.hh"
 
 /* **************** BILATERALBLUR ******************** */
@@ -46,12 +49,25 @@ static void node_composit_init_bilateralblur(bNodeTree *UNUSED(ntree), bNode *no
   nbbd->sigma_space = 5.0;
 }
 
+static void node_composit_buts_bilateralblur(uiLayout *layout,
+                                             bContext *UNUSED(C),
+                                             PointerRNA *ptr)
+{
+  uiLayout *col;
+
+  col = uiLayoutColumn(layout, true);
+  uiItemR(col, ptr, "iterations", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
+  uiItemR(col, ptr, "sigma_color", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
+  uiItemR(col, ptr, "sigma_space", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
+}
+
 void register_node_type_cmp_bilateralblur()
 {
   static bNodeType ntype;
 
   cmp_node_type_base(&ntype, CMP_NODE_BILATERALBLUR, "Bilateral Blur", NODE_CLASS_OP_FILTER, 0);
   ntype.declare = blender::nodes::cmp_node_bilateralblur_declare;
+  ntype.draw_buttons = node_composit_buts_bilateralblur;
   node_type_init(&ntype, node_composit_init_bilateralblur);
   node_type_storage(
       &ntype, "NodeBilateralBlurData", node_free_standard_storage, node_copy_standard_storage);