Add option to open online doc for selected native class in script editor

editor/plugins/script_editor_plugin.cpp

@@ -731,6 +731,7 @@ void ScriptEditor::_go_to_tab(int p_idx) {
 	_update_members_overview();
 	_update_help_overview();
 	_update_selected_editor_menu();
+	_update_online_doc();
 	_update_members_overview_visibility();
 	_update_help_overview_visibility();
 }
@@ -903,6 +904,7 @@ void ScriptEditor::_close_tab(int p_idx, bool p_save, bool p_history_back) {
 			_go_to_tab(idx);
 		} else {
 			_update_selected_editor_menu();
+			_update_online_doc();
 		}
 
 		_update_history_arrows();
@@ -1350,7 +1352,21 @@ void ScriptEditor::_menu_option(int p_option) {
 			help_search_dialog->popup_dialog();
 		} break;
 		case SEARCH_WEBSITE: {
-			OS::get_singleton()->shell_open(VERSION_DOCS_URL "/");
+			Control *tab = tab_container->get_current_tab_control();
+
+			EditorHelp *eh = Object::cast_to<EditorHelp>(tab);
+			bool native_class_doc = false;
+			if (eh) {
+				const HashMap<String, DocData::ClassDoc>::ConstIterator E = EditorHelp::get_doc_data()->class_list.find(eh->get_class());
+				native_class_doc = E && !E->value.is_script_doc;
+			}
+			if (native_class_doc) {
+				String name = eh->get_class().to_lower();
+				String doc_url = vformat(VERSION_DOCS_URL "/classes/class_%s.html", name);
+				OS::get_singleton()->shell_open(doc_url);
+			} else {
+				OS::get_singleton()->shell_open(VERSION_DOCS_URL "/");
+			}
 		} break;
 		case WINDOW_NEXT: {
 			_history_forward();
@@ -2029,6 +2045,26 @@ void ScriptEditor::_update_help_overview() {
 	}
 }
 
+void ScriptEditor::_update_online_doc() {
+	Node *current = tab_container->get_tab_control(tab_container->get_current_tab());
+
+	EditorHelp *eh = Object::cast_to<EditorHelp>(current);
+	bool native_class_doc = false;
+	if (eh) {
+		const HashMap<String, DocData::ClassDoc>::ConstIterator E = EditorHelp::get_doc_data()->class_list.find(eh->get_class());
+		native_class_doc = E && !E->value.is_script_doc;
+	}
+	if (native_class_doc) {
+		String name = eh->get_class();
+		String tooltip = vformat(TTR("Open '%s' in Godot online documentation."), name);
+		site_search->set_text(TTR("Open in Online Docs"));
+		site_search->set_tooltip_text(tooltip);
+	} else {
+		site_search->set_text(TTR("Online Docs"));
+		site_search->set_tooltip_text(TTR("Open Godot online documentation."));
+	}
+}
+
 void ScriptEditor::_update_script_colors() {
 	bool script_temperature_enabled = EDITOR_GET("text_editor/script_list/script_temperature_enabled");
 
@@ -4147,10 +4183,8 @@ ScriptEditor::ScriptEditor(WindowWrapper *p_wrapper) {
 
 	site_search = memnew(Button);
 	site_search->set_flat(true);
-	site_search->set_text(TTR("Online Docs"));
 	site_search->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditor::_menu_option).bind(SEARCH_WEBSITE));
 	menu_hb->add_child(site_search);
-	site_search->set_tooltip_text(TTR("Open Godot online documentation."));
 
 	help_search = memnew(Button);
 	help_search->set_flat(true);
@@ -4271,6 +4305,8 @@ ScriptEditor::ScriptEditor(WindowWrapper *p_wrapper) {
 	Ref<EditorJSONSyntaxHighlighter> json_syntax_highlighter;
 	json_syntax_highlighter.instantiate();
 	register_syntax_highlighter(json_syntax_highlighter);
+
+	_update_online_doc();
 }
 
 ScriptEditor::~ScriptEditor() {

editor/plugins/script_editor_plugin.h

@@ -450,6 +450,8 @@ class ScriptEditor : public PanelContainer {
 	void _update_help_overview();
 	void _help_overview_selected(int p_idx);
 
+	void _update_online_doc();
+
 	void _find_scripts(Node *p_base, Node *p_current, HashSet<Ref<Script>> &used);
 
 	void _tree_changed();