From 816812ee6cb84f9c899e1c6de52f9a4c9e7d2c0c Mon Sep 17 00:00:00 2001
From: jsjtxietian <jsjtxietian@outlook.com>
Date: Wed, 6 Mar 2024 17:51:14 +0800
Subject: [PATCH] Disable lock and group buttons when selected item can't be
 locked or grouped

---
 editor/plugins/canvas_item_editor_plugin.cpp | 14 ++++++++--
 editor/plugins/node_3d_editor_plugin.cpp     | 27 +++++++++++++-------
 2 files changed, 30 insertions(+), 11 deletions(-)

diff --git a/editor/plugins/canvas_item_editor_plugin.cpp b/editor/plugins/canvas_item_editor_plugin.cpp
index 894eef74ec0..41e5eee486e 100644
--- a/editor/plugins/canvas_item_editor_plugin.cpp
+++ b/editor/plugins/canvas_item_editor_plugin.cpp
@@ -2643,6 +2643,7 @@ void CanvasItemEditor::_update_cursor() {
 void CanvasItemEditor::_update_lock_and_group_button() {
 	bool all_locked = true;
 	bool all_group = true;
+	bool has_canvas_item = false;
 	List<Node *> selection = editor_selection->get_selected_node_list();
 	if (selection.is_empty()) {
 		all_locked = false;
@@ -2657,6 +2658,7 @@ void CanvasItemEditor::_update_lock_and_group_button() {
 				if (all_group && !item->has_meta("_edit_group_")) {
 					all_group = false;
 				}
+				has_canvas_item = true;
 			}
 			if (!all_locked && !all_group) {
 				break;
@@ -2664,12 +2666,17 @@ void CanvasItemEditor::_update_lock_and_group_button() {
 		}
 	}
 
+	all_locked = all_locked && has_canvas_item;
+	all_group = all_group && has_canvas_item;
+
 	lock_button->set_visible(!all_locked);
-	lock_button->set_disabled(selection.is_empty());
+	lock_button->set_disabled(!has_canvas_item);
 	unlock_button->set_visible(all_locked);
+	unlock_button->set_disabled(!has_canvas_item);
 	group_button->set_visible(!all_group);
-	group_button->set_disabled(selection.is_empty());
+	group_button->set_disabled(!has_canvas_item);
 	ungroup_button->set_visible(all_group);
+	ungroup_button->set_disabled(!has_canvas_item);
 }
 
 Control::CursorShape CanvasItemEditor::get_cursor_shape(const Point2 &p_pos) const {
@@ -4011,6 +4018,9 @@ void CanvasItemEditor::_notification(int p_what) {
 			AnimationPlayerEditor::get_singleton()->connect("animation_selected", callable_mp(this, &CanvasItemEditor::_keying_changed).unbind(1));
 			_keying_changed();
 			_update_editor_settings();
+
+			connect("item_lock_status_changed", callable_mp(this, &CanvasItemEditor::_update_lock_and_group_button));
+			connect("item_group_status_changed", callable_mp(this, &CanvasItemEditor::_update_lock_and_group_button));
 		} break;
 
 		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
diff --git a/editor/plugins/node_3d_editor_plugin.cpp b/editor/plugins/node_3d_editor_plugin.cpp
index f38d42f6812..7a4a7ddaecb 100644
--- a/editor/plugins/node_3d_editor_plugin.cpp
+++ b/editor/plugins/node_3d_editor_plugin.cpp
@@ -7376,6 +7376,7 @@ void Node3DEditor::_selection_changed() {
 void Node3DEditor::_refresh_menu_icons() {
 	bool all_locked = true;
 	bool all_grouped = true;
+	bool has_node3d_item = false;
 
 	List<Node *> &selection = editor_selection->get_selected_node_list();
 
@@ -7384,26 +7385,34 @@ void Node3DEditor::_refresh_menu_icons() {
 		all_grouped = false;
 	} else {
 		for (Node *E : selection) {
-			if (Object::cast_to<Node3D>(E) && !Object::cast_to<Node3D>(E)->has_meta("_edit_lock_")) {
-				all_locked = false;
-				break;
+			Node3D *node = Object::cast_to<Node3D>(E);
+			if (node) {
+				if (all_locked && !node->has_meta("_edit_lock_")) {
+					all_locked = false;
+				}
+				if (all_grouped && !node->has_meta("_edit_group_")) {
+					all_grouped = false;
+				}
+				has_node3d_item = true;
 			}
-		}
-		for (Node *E : selection) {
-			if (Object::cast_to<Node3D>(E) && !Object::cast_to<Node3D>(E)->has_meta("_edit_group_")) {
-				all_grouped = false;
+			if (!all_locked && !all_grouped) {
 				break;
 			}
 		}
 	}
 
+	all_locked = all_locked && has_node3d_item;
+	all_grouped = all_grouped && has_node3d_item;
+
 	tool_button[TOOL_LOCK_SELECTED]->set_visible(!all_locked);
-	tool_button[TOOL_LOCK_SELECTED]->set_disabled(selection.is_empty());
+	tool_button[TOOL_LOCK_SELECTED]->set_disabled(!has_node3d_item);
 	tool_button[TOOL_UNLOCK_SELECTED]->set_visible(all_locked);
+	tool_button[TOOL_UNLOCK_SELECTED]->set_disabled(!has_node3d_item);
 
 	tool_button[TOOL_GROUP_SELECTED]->set_visible(!all_grouped);
-	tool_button[TOOL_GROUP_SELECTED]->set_disabled(selection.is_empty());
+	tool_button[TOOL_GROUP_SELECTED]->set_disabled(!has_node3d_item);
 	tool_button[TOOL_UNGROUP_SELECTED]->set_visible(all_grouped);
+	tool_button[TOOL_UNGROUP_SELECTED]->set_disabled(!has_node3d_item);
 }
 
 template <typename T>