Add node list param to `GraphEdit::delete_nodes_request` signal

doc/classes/GraphEdit.xml

@@ -296,8 +296,9 @@
 			</description>
 		</signal>
 		<signal name="delete_nodes_request">
+			<argument index="0" name="nodes" type="StringName[]" />
 			<description>
-				Emitted when a GraphNode is attempted to be removed from the GraphEdit.
+				Emitted when a GraphNode is attempted to be removed from the GraphEdit. Provides a list of node names to be removed (all selected nodes, excluding nodes without closing button).
 			</description>
 		</signal>
 		<signal name="disconnection_request">

editor/plugins/animation_blend_tree_editor_plugin.cpp

@@ -459,16 +459,22 @@ void AnimationNodeBlendTreeEditor::_delete_request(const String &p_which) {
 	undo_redo->commit_action();
 }
 
-void AnimationNodeBlendTreeEditor::_delete_nodes_request() {
+void AnimationNodeBlendTreeEditor::_delete_nodes_request(const TypedArray<StringName> &p_nodes) {
 	List<StringName> to_erase;
 
-	for (int i = 0; i < graph->get_child_count(); i++) {
-		GraphNode *gn = Object::cast_to<GraphNode>(graph->get_child(i));
-		if (gn) {
-			if (gn->is_selected() && gn->is_close_button_visible()) {
-				to_erase.push_back(gn->get_name());
+	if (p_nodes.is_empty()) {
+		for (int i = 0; i < graph->get_child_count(); i++) {
+			GraphNode *gn = Object::cast_to<GraphNode>(graph->get_child(i));
+			if (gn) {
+				if (gn->is_selected() && gn->is_close_button_visible()) {
+					to_erase.push_back(gn->get_name());
+				}
 			}
 		}
+	} else {
+		for (int i = 0; i < p_nodes.size(); i++) {
+			to_erase.push_back(p_nodes[i]);
+		}
 	}
 
 	if (to_erase.is_empty()) {

editor/plugins/animation_blend_tree_editor_plugin.h

@@ -103,7 +103,7 @@ class AnimationNodeBlendTreeEditor : public AnimationTreeNodeEditorPlugin {
 	void _open_in_editor(const String &p_which);
 	void _anim_selected(int p_index, Array p_options, const String &p_node);
 	void _delete_request(const String &p_which);
-	void _delete_nodes_request();
+	void _delete_nodes_request(const TypedArray<StringName> &p_nodes);
 
 	bool _update_filters(const Ref<AnimationNode> &anode);
 	void _edit_filters(const String &p_which);

editor/plugins/visual_shader_editor_plugin.cpp

@@ -3409,16 +3409,23 @@ void VisualShaderEditor::_delete_node_request(int p_type, int p_node) {
 	undo_redo->commit_action();
 }
 
-void VisualShaderEditor::_delete_nodes_request() {
+void VisualShaderEditor::_delete_nodes_request(const TypedArray<StringName> &p_nodes) {
 	List<int> to_erase;
 
-	for (int i = 0; i < graph->get_child_count(); i++) {
-		GraphNode *gn = Object::cast_to<GraphNode>(graph->get_child(i));
-		if (gn) {
-			if (gn->is_selected() && gn->is_close_button_visible()) {
-				to_erase.push_back(gn->get_name().operator String().to_int());
+	if (p_nodes.is_empty()) {
+		// Called from context menu.
+		for (int i = 0; i < graph->get_child_count(); i++) {
+			GraphNode *gn = Object::cast_to<GraphNode>(graph->get_child(i));
+			if (gn) {
+				if (gn->is_selected() && gn->is_close_button_visible()) {
+					to_erase.push_back(gn->get_name().operator String().to_int());
+				}
 			}
 		}
+	} else {
+		for (int i = 0; i < p_nodes.size(); i++) {
+			to_erase.push_back(p_nodes[i].operator String().to_int());
+		}
 	}
 
 	if (to_erase.is_empty()) {
@@ -4411,7 +4418,7 @@ void VisualShaderEditor::_node_menu_id_pressed(int p_idx) {
 			_paste_nodes(true, menu_point);
 			break;
 		case NodeMenuOptions::DELETE:
-			_delete_nodes_request();
+			_delete_nodes_request(TypedArray<StringName>());
 			break;
 		case NodeMenuOptions::DUPLICATE:
 			_duplicate_nodes();

editor/plugins/visual_shader_editor_plugin.h

@@ -346,7 +346,7 @@ class VisualShaderEditor : public VBoxContainer {
 
 	void _delete_nodes(int p_type, const List<int> &p_nodes);
 	void _delete_node_request(int p_type, int p_node);
-	void _delete_nodes_request();
+	void _delete_nodes_request(const TypedArray<StringName> &p_nodes);
 
 	void _node_changed(int p_id);
 

scene/gui/graph_edit.cpp

@@ -1343,7 +1343,19 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
 			emit_signal(SNAME("paste_nodes_request"));
 			accept_event();
 		} else if (p_ev->is_action("ui_graph_delete")) {
-			emit_signal(SNAME("delete_nodes_request"));
+			TypedArray<StringName> nodes;
+
+			for (int i = 0; i < get_child_count(); i++) {
+				GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
+				if (!gn) {
+					continue;
+				}
+				if (gn->is_selected() && gn->is_close_button_visible()) {
+					nodes.push_back(gn->get_name());
+				}
+			}
+
+			emit_signal(SNAME("delete_nodes_request"), nodes);
 			accept_event();
 		}
 	}
@@ -2290,7 +2302,7 @@ void GraphEdit::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("node_deselected", PropertyInfo(Variant::OBJECT, "node", PROPERTY_HINT_RESOURCE_TYPE, "Node")));
 	ADD_SIGNAL(MethodInfo("connection_to_empty", PropertyInfo(Variant::STRING_NAME, "from"), PropertyInfo(Variant::INT, "from_slot"), PropertyInfo(Variant::VECTOR2, "release_position")));
 	ADD_SIGNAL(MethodInfo("connection_from_empty", PropertyInfo(Variant::STRING_NAME, "to"), PropertyInfo(Variant::INT, "to_slot"), PropertyInfo(Variant::VECTOR2, "release_position")));
-	ADD_SIGNAL(MethodInfo("delete_nodes_request"));
+	ADD_SIGNAL(MethodInfo("delete_nodes_request", PropertyInfo(Variant::ARRAY, "nodes", PROPERTY_HINT_ARRAY_TYPE, "StringName")));
 	ADD_SIGNAL(MethodInfo("begin_node_move"));
 	ADD_SIGNAL(MethodInfo("end_node_move"));
 	ADD_SIGNAL(MethodInfo("scroll_offset_changed", PropertyInfo(Variant::VECTOR2, "offset")));