Cleanup: Nodes: Begin splitting shader 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 shader nodes into their respected
source/blender/nodes/shader/nodes file.

In the future, these functions will be simplified to node_layout.

Some nodes were left in `drawnode.cc` as this would require duplicating code
while this is likely fine it is best to leave that to a seperate commit.

1 files changed, 9 insertions, 0 deletions

diff --git a/source/blender/nodes/shader/nodes/node_shader_wireframe.cc b/source/blender/nodes/shader/nodes/node_shader_wireframe.cc
index a23887e9721..1ba2391a09d 100644
--- a/source/blender/nodes/shader/nodes/node_shader_wireframe.cc
+++ b/source/blender/nodes/shader/nodes/node_shader_wireframe.cc
@@ -19,6 +19,9 @@
 
 #include "node_shader_util.hh"
 
+#include "UI_interface.h"
+#include "UI_resources.h"
+
 namespace blender::nodes::node_shader_wireframe_cc {
 
 static void node_declare(NodeDeclarationBuilder &b)
@@ -27,6 +30,11 @@ static void node_declare(NodeDeclarationBuilder &b)
   b.add_output<decl::Float>(N_("Fac"));
 }
 
+static void node_shader_buts_wireframe(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
+{
+  uiItemR(layout, ptr, "use_pixel_size", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, 0);
+}
+
 static int node_shader_gpu_wireframe(GPUMaterial *mat,
                                      bNode *node,
                                      bNodeExecData *UNUSED(execdata),
@@ -60,6 +68,7 @@ void register_node_type_sh_wireframe()
 
   sh_node_type_base(&ntype, SH_NODE_WIREFRAME, "Wireframe", NODE_CLASS_INPUT);
   ntype.declare = file_ns::node_declare;
+  ntype.draw_buttons = file_ns::node_shader_buts_wireframe;
   node_type_gpu(&ntype, file_ns::node_shader_gpu_wireframe);
 
   nodeRegisterType(&ntype);