Migrate to Tree::set_custom_draw_callback.

Due to upstream change:

	godotengine/godot@a32a2ea

Author: Rubonnek

editor/debugger/behavior_tree_view.cpp

@@ -104,16 +104,16 @@ void BehaviorTreeView::_update_tree(const Ref<BehaviorTreeData> &p_data) {
 			if (status_changed) {
 				item->set_metadata(1, current_status);
 				if (current_status == BTTask::SUCCESS) {
-					item->set_custom_draw(0, this, LW_NAME(_draw_success_status));
+					item->set_custom_draw_callback(0, callable_mp(this, &BehaviorTreeView::_draw_success_status));
 					item->set_icon(1, theme_cache.icon_success);
 				} else if (current_status == BTTask::FAILURE) {
-					item->set_custom_draw(0, this, LW_NAME(_draw_failure_status));
+					item->set_custom_draw_callback(0, callable_mp(this, &BehaviorTreeView::_draw_failure_status));
 					item->set_icon(1, theme_cache.icon_failure);
 				} else if (current_status == BTTask::RUNNING) {
-					item->set_custom_draw(0, this, LW_NAME(_draw_running_status));
+					item->set_custom_draw_callback(0, callable_mp(this, &BehaviorTreeView::_draw_running_status));
 					item->set_icon(1, theme_cache.icon_running);
 				} else {
-					item->set_custom_draw(0, this, LW_NAME(_draw_fresh));
+					item->set_custom_draw_callback(0, callable_mp(this, &BehaviorTreeView::_draw_fresh));
 					item->set_icon(1, nullptr);
 				}
 			}
@@ -180,13 +180,13 @@ void BehaviorTreeView::_update_tree(const Ref<BehaviorTreeData> &p_data) {
 			item->set_icon_max_width(0, 16 * _get_editor_scale()); // Force user icon size.
 
 			if (task_data.status == BTTask::SUCCESS) {
-				item->set_custom_draw(0, this, LW_NAME(_draw_success_status));
+				item->set_custom_draw_callback(0, callable_mp(this, &BehaviorTreeView::_draw_success_status));
 				item->set_icon(1, theme_cache.icon_success);
 			} else if (task_data.status == BTTask::FAILURE) {
-				item->set_custom_draw(0, this, LW_NAME(_draw_failure_status));
+				item->set_custom_draw_callback(0, callable_mp(this, &BehaviorTreeView::_draw_failure_status));
 				item->set_icon(1, theme_cache.icon_failure);
 			} else if (task_data.status == BTTask::RUNNING) {
-				item->set_custom_draw(0, this, LW_NAME(_draw_running_status));
+				item->set_custom_draw_callback(0, callable_mp(this, &BehaviorTreeView::_draw_running_status));
 				item->set_icon(1, theme_cache.icon_running);
 			}
 

editor/task_tree.cpp

@@ -50,7 +50,7 @@ void TaskTree::_update_item(TreeItem *p_item) {
 	if (p_item->get_parent()) {
 		Ref<BTProbabilitySelector> sel = p_item->get_parent()->get_metadata(0);
 		if (sel.is_valid() && sel->has_probability(p_item->get_index())) {
-			p_item->set_custom_draw(0, this, LW_NAME(_draw_probability));
+			p_item->set_custom_draw_callback(0, callable_mp(this, &TaskTree::_draw_probability));
 			p_item->set_cell_mode(0, TreeItem::CELL_MODE_CUSTOM);
 		}
 	}

util/limbo_string_names.cpp

@@ -27,11 +27,6 @@
 LimboStringNames *LimboStringNames::singleton = nullptr;
 
 LimboStringNames::LimboStringNames() {
-	_draw_failure_status = SN("_draw_failure_status");
-	_draw_fresh = SN("_draw_fresh");
-	_draw_probability = SN("_draw_probability");
-	_draw_running_status = SN("_draw_running_status");
-	_draw_success_status = SN("_draw_success_status");
 	_enter = SN("_enter");
 	_exit = SN("_exit");
 	_generate_name = SN("_generate_name");

util/limbo_string_names.h

@@ -41,11 +41,6 @@ class LimboStringNames {
 public:
 	_FORCE_INLINE_ static LimboStringNames *get_singleton() { return singleton; }
 
-	StringName _draw_failure_status;
-	StringName _draw_fresh;
-	StringName _draw_probability;
-	StringName _draw_running_status;
-	StringName _draw_success_status;
 	StringName _enter;
 	StringName _exit;
 	StringName _generate_name;