Fix setting bezier track handle mode from inspector.

(cherry picked from commit 09a4aa3ce80343587080e057677e31359039b7f8)

editor/animation_track_editor.cpp

@@ -306,10 +306,14 @@ bool AnimationTrackKeyEdit::_set(const StringName &p_name, const Variant &p_valu
 
 				setting = true;
 				undo_redo->create_action(TTR("Animation Change Keyframe Value"), UndoRedo::MERGE_ENDS);
-				int prev = animation->bezier_track_get_key_handle_mode(track, key);
-				undo_redo->add_do_method(this, "_bezier_track_set_key_handle_mode", animation.ptr(), track, key, value);
-				undo_redo->add_undo_method(this, "_bezier_track_set_key_handle_mode", animation.ptr(), track, key, prev);
+				int prev_mode = animation->bezier_track_get_key_handle_mode(track, key);
+				Vector2 prev_in_handle = animation->bezier_track_get_key_in_handle(track, key);
+				Vector2 prev_out_handle = animation->bezier_track_get_key_out_handle(track, key);
+				undo_redo->add_do_method(editor, "_bezier_track_set_key_handle_mode", animation.ptr(), track, key, value);
 				undo_redo->add_do_method(this, "_update_obj", animation);
+				undo_redo->add_undo_method(editor, "_bezier_track_set_key_handle_mode", animation.ptr(), track, key, prev_mode);
+				undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_in_handle", track, key, prev_in_handle);
+				undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_out_handle", track, key, prev_out_handle);
 				undo_redo->add_undo_method(this, "_update_obj", animation);
 				undo_redo->commit_action();
 
@@ -857,8 +861,8 @@ bool AnimationMultiTrackKeyEdit::_set(const StringName &p_name, const Variant &p
 							undo_redo->create_action(TTR("Animation Multi Change Keyframe Value"), UndoRedo::MERGE_ENDS);
 						}
 						Vector2 prev = animation->bezier_track_get_key_in_handle(track, key);
-						undo_redo->add_do_method(this, "_bezier_track_set_key_in_handle", track, key, value);
-						undo_redo->add_undo_method(this, "_bezier_track_set_key_in_handle", track, key, prev);
+						undo_redo->add_do_method(animation.ptr(), "bezier_track_set_key_in_handle", track, key, value);
+						undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_in_handle", track, key, prev);
 						update_obj = true;
 					} else if (name == "out_handle") {
 						const Variant &value = p_value;
@@ -878,9 +882,13 @@ bool AnimationMultiTrackKeyEdit::_set(const StringName &p_name, const Variant &p
 							setting = true;
 							undo_redo->create_action(TTR("Animation Multi Change Keyframe Value"), UndoRedo::MERGE_ENDS);
 						}
-						int prev = animation->bezier_track_get_key_handle_mode(track, key);
-						undo_redo->add_do_method(this, "_bezier_track_set_key_handle_mode", animation.ptr(), track, key, value);
-						undo_redo->add_undo_method(this, "_bezier_track_set_key_handle_mode", animation.ptr(), track, key, prev);
+						int prev_mode = animation->bezier_track_get_key_handle_mode(track, key);
+						Vector2 prev_in_handle = animation->bezier_track_get_key_in_handle(track, key);
+						Vector2 prev_out_handle = animation->bezier_track_get_key_out_handle(track, key);
+						undo_redo->add_do_method(editor, "_bezier_track_set_key_handle_mode", animation.ptr(), track, key, value);
+						undo_redo->add_undo_method(editor, "_bezier_track_set_key_handle_mode", animation.ptr(), track, key, prev_mode);
+						undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_in_handle", track, key, prev_in_handle);
+						undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_out_handle", track, key, prev_out_handle);
 						update_obj = true;
 					}
 				} break;
@@ -5175,6 +5183,7 @@ void AnimationTrackEditor::_update_key_edit() {
 		key_edit->animation_read_only = read_only;
 		key_edit->track = selection.front()->key().track;
 		key_edit->use_fps = timeline->is_using_fps();
+		key_edit->editor = this;
 
 		int key_id = selection.front()->key().key;
 		if (key_id >= animation->track_get_key_count(key_edit->track)) {
@@ -5194,6 +5203,7 @@ void AnimationTrackEditor::_update_key_edit() {
 		multi_key_edit = memnew(AnimationMultiTrackKeyEdit);
 		multi_key_edit->animation = animation;
 		multi_key_edit->animation_read_only = read_only;
+		multi_key_edit->editor = this;
 
 		RBMap<int, List<float>> key_ofs_map;
 		RBMap<int, NodePath> base_map;

editor/animation_track_editor.h

@@ -68,6 +68,7 @@ public:
 	PropertyInfo hint;
 	NodePath base;
 	bool use_fps = false;
+	AnimationTrackEditor *editor = nullptr;
 
 	bool _hide_script_from_inspector() { return true; }
 	bool _hide_metadata_from_inspector() { return true; }
@@ -105,6 +106,7 @@ public:
 	Node *root_path = nullptr;
 
 	bool use_fps = false;
+	AnimationTrackEditor *editor = nullptr;
 
 	bool _hide_script_from_inspector() { return true; }
 	bool _hide_metadata_from_inspector() { return true; }