text: /*************************************************************************/
  /*  script_text_editor.cpp                                               */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  
  #include "script_text_editor.h"
  
  #include "core/math/expression.h"
  #include "core/os/keyboard.h"
  #include "editor/debugger/editor_debugger_node.h"
  #include "editor/editor_node.h"
  #include "editor/editor_scale.h"
  #include "editor/editor_settings.h"
  
  void ConnectionInfoDialog::ok_pressed() {
  }
  
  void ConnectionInfoDialog::popup_connections(String p_method, Vector<Node *> p_nodes) {
  	method->set_text(p_method);
  
  	tree->clear();
  	TreeItem *root = tree->create_item();
  
  	for (int i = 0; i < p_nodes.size(); i++) {
  		List<Connection> all_connections;
  		p_nodes[i]->get_signals_connected_to_this(&all_connections);
  
  		for (List<Connection>::Element *E = all_connections.front(); E; E = E->next()) {
  			Connection connection = E->get();
  
  			if (connection.callable.get_method() != p_method) {
  				continue;
  			}
  
  			TreeItem *node_item = tree->create_item(root);
  
  			node_item->set_text(0, Object::cast_to<Node>(connection.signal.get_object())->get_name());
  			node_item->set_icon(0, EditorNode::get_singleton()->get_object_icon(connection.signal.get_object(), "Node"));
  			node_item->set_selectable(0, false);
  			node_item->set_editable(0, false);
  
  			node_item->set_text(1, connection.signal.get_name());
  			Control *p = Object::cast_to<Control>(get_parent());
  			node_item->set_icon(1, p->get_theme_icon("Slot", "EditorIcons"));
  			node_item->set_selectable(1, false);
  			node_item->set_editable(1, false);
  
  			node_item->set_text(2, Object::cast_to<Node>(connection.callable.get_object())->get_name());
  			node_item->set_icon(2, EditorNode::get_singleton()->get_object_icon(connection.callable.get_object(), "Node"));
  			node_item->set_selectable(2, false);
  			node_item->set_editable(2, false);
  		}
  	}
  
  	popup_centered(Size2(600, 300) * EDSCALE);
  }
  
  ConnectionInfoDialog::ConnectionInfoDialog() {
  	set_title(TTR("Connections to method:"));
  
  	VBoxContainer *vbc = memnew(VBoxContainer);
  	vbc->set_anchor_and_margin(MARGIN_LEFT, Control::ANCHOR_BEGIN, 8 * EDSCALE);
  	vbc->set_anchor_and_margin(MARGIN_TOP, Control::ANCHOR_BEGIN, 8 * EDSCALE);
  	vbc->set_anchor_and_margin(MARGIN_RIGHT, Control::ANCHOR_END, -8 * EDSCALE);
  	vbc->set_anchor_and_margin(MARGIN_BOTTOM, Control::ANCHOR_END, -8 * EDSCALE);
  	add_child(vbc);
  
  	method = memnew(Label);
  	method->set_align(Label::ALIGN_CENTER);
  	vbc->add_child(method);
  
  	tree = memnew(Tree);
  	tree->set_columns(3);
  	tree->set_hide_root(true);
  	tree->set_column_titles_visible(true);
  	tree->set_column_title(0, TTR("Source"));
  	tree->set_column_title(1, TTR("Signal"));
  	tree->set_column_title(2, TTR("Target"));
  	vbc->add_child(tree);
  	tree->set_v_size_flags(Control::SIZE_EXPAND_FILL);
  	tree->set_allow_rmb_select(true);
  }
  
  ////////////////////////////////////////////////////////////////////////////////
  
  Vector<String> ScriptTextEditor::get_functions() {
  	String errortxt;
  	int line = -1, col;
  	TextEdit *te = code_editor->get_text_edit();
  	String text = te->get_text();
  	List<String> fnc;
  
  	if (script->get_language()->validate(text, line, col, errortxt, script->get_path(), &fnc)) {
  		//if valid rewrite functions to latest
  		functions.clear();
  		for (List<String>::Element *E = fnc.front(); E; E = E->next()) {
  			functions.push_back(E->get());
  		}
  	}
  
  	return functions;
  }
  
  void ScriptTextEditor::apply_code() {
  	if (script.is_null()) {
  		return;
  	}
  	script->set_source_code(code_editor->get_text_edit()->get_text());
  	script->update_exports();
  	_update_member_keywords();
  }
  
  RES ScriptTextEditor::get_edited_resource() const {
  	return script;
  }
  
  void ScriptTextEditor::set_edited_resource(const RES &p_res) {
  	ERR_FAIL_COND(!script.is_null());
  
  	script = p_res;
  	_set_theme_for_script();
  
  	code_editor->get_text_edit()->set_text(script->get_source_code());
  	code_editor->get_text_edit()->clear_undo_history();
  	code_editor->get_text_edit()->tag_saved_version();
  
  	emit_signal("name_changed");
  	code_editor->update_line_and_column();
  
  	_validate_script();
  }
  
  void ScriptTextEditor::_update_member_keywords() {
  	member_keywords.clear();
  	code_editor->get_text_edit()->clear_member_keywords();
  	Color member_variable_color = EDITOR_GET("text_editor/highlighting/member_variable_color");
  
  	StringName instance_base = script->get_instance_base_type();
  
  	if (instance_base == StringName()) {
  		return;
  	}
  	List<PropertyInfo> plist;
  	ClassDB::get_property_list(instance_base, &plist);
  
  	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
  		String name = E->get().name;
  		if (E->get().usage & PROPERTY_USAGE_CATEGORY || E->get().usage & PROPERTY_USAGE_GROUP || E->get().usage & PROPERTY_USAGE_SUBGROUP) {
  			continue;
  		}
  		if (name.find("/") != -1) {
  			continue;
  		}
  
  		code_editor->get_text_edit()->add_member_keyword(name, member_variable_color);
  	}
  
  	List<String> clist;
  	ClassDB::get_integer_constant_list(instance_base, &clist);
  
  	for (List<String>::Element *E = clist.front(); E; E = E->next()) {
  		code_editor->get_text_edit()->add_member_keyword(E->get(), member_variable_color);
  	}
  }
  
  void ScriptTextEditor::_load_theme_settings() {
  	TextEdit *text_edit = code_editor->get_text_edit();
  
  	text_edit->clear_colors();
  
  	Color background_color = EDITOR_GET("text_editor/highlighting/background_color");
  	Color completion_background_color = EDITOR_GET("text_editor/highlighting/completion_background_color");
  	Color completion_selected_color = EDITOR_GET("text_editor/highlighting/completion_selected_color");
  	Color completion_existing_color = EDITOR_GET("text_editor/highlighting/completion_existing_color");
  	Color completion_scroll_color = EDITOR_GET("text_editor/highlighting/completion_scroll_color");
  	Color completion_font_color = EDITOR_GET("text_editor/highlighting/completion_font_color");
  	Color text_color = EDITOR_GET("text_editor/highlighting/text_color");
  	Color line_number_color = EDITOR_GET("text_editor/highlighting/line_number_color");
  	Color safe_line_number_color = EDITOR_GET("text_editor/highlighting/safe_line_number_color");
  	Color caret_color = EDITOR_GET("text_editor/highlighting/caret_color");
  	Color caret_background_color = EDITOR_GET("text_editor/highlighting/caret_background_color");
  	Color text_selected_color = EDITOR_GET("text_editor/highlighting/text_selected_color");
  	Color selection_color = EDITOR_GET("text_editor/highlighting/selection_color");
  	Color brace_mismatch_color = EDITOR_GET("text_editor/highlighting/brace_mismatch_color");
  	Color current_line_color = EDITOR_GET("text_editor/highlighting/current_line_color");
  	Color line_length_guideline_color = EDITOR_GET("text_editor/highlighting/line_length_guideline_color");
  	Color word_highlighted_color = EDITOR_GET("text_editor/highlighting/word_highlighted_color");
  	Color number_color = EDITOR_GET("text_editor/highlighting/number_color");
  	Color function_color = EDITOR_GET("text_editor/highlighting/function_color");
  	Color member_variable_color = EDITOR_GET("text_editor/highlighting/member_variable_color");
  	Color mark_color = EDITOR_GET("text_editor/highlighting/mark_color");
  	Color bookmark_color = EDITOR_GET("text_editor/highlighting/bookmark_color");
  	Color breakpoint_color = EDITOR_GET("text_editor/highlighting/breakpoint_color");
  	Color executing_line_color = EDITOR_GET("text_editor/highlighting/executing_line_color");
  	Color code_folding_color = EDITOR_GET("text_editor/highlighting/code_folding_color");
  	Color search_result_color = EDITOR_GET("text_editor/highlighting/search_result_color");
  	Color search_result_border_color = EDITOR_GET("text_editor/highlighting/search_result_border_color");
  	Color symbol_color = EDITOR_GET("text_editor/highlighting/symbol_color");
  	Color keyword_color = EDITOR_GET("text_editor/highlighting/keyword_color");
  	Color basetype_color = EDITOR_GET("text_editor/highlighting/base_type_color");
  	Color type_color = EDITOR_GET("text_editor/highlighting/engine_type_color");
  	Color usertype_color = EDITOR_GET("text_editor/highlighting/user_type_color");
  	Color comment_color = EDITOR_GET("text_editor/highlighting/comment_color");
  	Color string_color = EDITOR_GET("text_editor/highlighting/string_color");
  
  	text_edit->add_theme_color_override("background_color", background_color);
  	text_edit->add_theme_color_override("completion_background_color", completion_background_color);
  	text_edit->add_theme_color_override("completion_selected_color", completion_selected_color);
  	text_edit->add_theme_color_override("completion_existing_color", completion_existing_color);
  	text_edit->add_theme_color_override("completion_scroll_color", completion_scroll_color);
  	text_edit->add_theme_color_override("completion_font_color", completion_font_color);
  	text_edit->add_theme_color_override("font_color", text_color);
  	text_edit->add_theme_color_override("line_number_color", line_number_color);
  	text_edit->add_theme_color_override("safe_line_number_color", safe_line_number_color);
  	text_edit->add_theme_color_override("caret_color", caret_color);
  	text_edit->add_theme_color_override("caret_background_color", caret_background_color);
  	text_edit->add_theme_color_override("font_color_selected", text_selected_color);
  	text_edit->add_theme_color_override("selection_color", selection_color);
  	text_edit->add_theme_color_override("brace_mismatch_color", brace_mismatch_color);
  	text_edit->add_theme_color_override("current_line_color", current_line_color);
  	text_edit->add_theme_color_override("line_length_guideline_color", line_length_guideline_color);
  	text_edit->add_theme_color_override("word_highlighted_color", word_highlighted_color);
  	text_edit->add_theme_color_override("number_color", number_color);
  	text_edit->add_theme_color_override("function_color", function_color);
  	text_edit->add_theme_color_override("member_variable_color", member_variable_color);
  	text_edit->add_theme_color_override("bookmark_color", bookmark_color);
  	text_edit->add_theme_color_override("breakpoint_color", breakpoint_color);
  	text_edit->add_theme_color_override("executing_line_color", executing_line_color);
  	text_edit->add_theme_color_override("mark_color", mark_color);
  	text_edit->add_theme_color_override("code_folding_color", code_folding_color);
  	text_edit->add_theme_color_override("search_result_color", search_result_color);
  	text_edit->add_theme_color_override("search_result_border_color", search_result_border_color);
  	text_edit->add_theme_color_override("symbol_color", symbol_color);
  
  	text_edit->add_theme_constant_override("line_spacing", EDITOR_DEF("text_editor/theme/line_spacing", 6));
  
  	colors_cache.symbol_color = symbol_color;
  	colors_cache.keyword_color = keyword_color;
  	colors_cache.basetype_color = basetype_color;
  	colors_cache.type_color = type_color;
  	colors_cache.usertype_color = usertype_color;
  	colors_cache.comment_color = comment_color;
  	colors_cache.string_color = string_color;
  
  	theme_loaded = true;
  	if (!script.is_null()) {
  		_set_theme_for_script();
  	}
  }
  
  void ScriptTextEditor::_set_theme_for_script() {
  	if (!theme_loaded) {
  		return;
  	}
  
  	TextEdit *text_edit = code_editor->get_text_edit();
  
  	List<String> keywords;
  	script->get_language()->get_reserved_words(&keywords);
  
  	for (List<String>::Element *E = keywords.front(); E; E = E->next()) {
  		text_edit->add_keyword_color(E->get(), colors_cache.keyword_color);
  	}
  
  	//colorize core types
  	const Color basetype_color = colors_cache.basetype_color;
  	text_edit->add_keyword_color("String", basetype_color);
  	text_edit->add_keyword_color("Vector2", basetype_color);
  	text_edit->add_keyword_color("Vector2i", basetype_color);
  	text_edit->add_keyword_color("Rect2", basetype_color);
  	text_edit->add_keyword_color("Rect2i", basetype_color);
  	text_edit->add_keyword_color("Vector3", basetype_color);
  	text_edit->add_keyword_color("Vector3i", basetype_color);
  	text_edit->add_keyword_color("Transform2D", basetype_color);
  	text_edit->add_keyword_color("Plane", basetype_color);
  	text_edit->add_keyword_color("Quat", basetype_color);
  	text_edit->add_keyword_color("AABB", basetype_color);
  	text_edit->add_keyword_color("Basis", basetype_color);
  	text_edit->add_keyword_color("Transform", basetype_color);
  	text_edit->add_keyword_color("Color", basetype_color);
  	text_edit->add_keyword_color("StringName", basetype_color);
  	text_edit->add_keyword_color("NodePath", basetype_color);
  	text_edit->add_keyword_color("RID", basetype_color);
  	text_edit->add_keyword_color("Object", basetype_color);
  	text_edit->add_keyword_color("Callable", basetype_color);
  	text_edit->add_keyword_color("Dictionary", basetype_color);
  	text_edit->add_keyword_color("Array", basetype_color);
  	text_edit->add_keyword_color("PackedByteArray", basetype_color);
  	text_edit->add_keyword_color("PackedInt32Array", basetype_color);
  	text_edit->add_keyword_color("PackedInt64Array", basetype_color);
  	text_edit->add_keyword_color("PackedFloat32Array", basetype_color);
  	text_edit->add_keyword_color("PackedFloat64Array", basetype_color);
  	text_edit->add_keyword_color("PackedStringArray", basetype_color);
  	text_edit->add_keyword_color("PackedVector2Array", basetype_color);
  	text_edit->add_keyword_color("PackedVector3Array", basetype_color);
  	text_edit->add_keyword_color("PackedColorArray", basetype_color);
  
  	//colorize engine types
  	List<StringName> types;
  	ClassDB::get_class_list(&types);
  
  	for (List<StringName>::Element *E = types.front(); E; E = E->next()) {
  		String n = E->get();
  		if (n.begins_with("_")) {
  			n = n.substr(1, n.length());
  		}
  
  		text_edit->add_keyword_color(n, colors_cache.type_color);
  	}
  	_update_member_keywords();
  
  	//colorize user types
  	List<StringName> global_classes;
  	ScriptServer::get_global_class_list(&global_classes);
  
  	for (List<StringName>::Element *E = global_classes.front(); E; E = E->next()) {
  		text_edit->add_keyword_color(E->get(), colors_cache.usertype_color);
  	}
  
  	//colorize singleton autoloads (as types, just as engine singletons are)
  	Map<StringName, ProjectSettings::AutoloadInfo> autoloads = ProjectSettings::get_singleton()->get_autoload_list();
  	for (Map<StringName, ProjectSettings::AutoloadInfo>::Element *E = autoloads.front(); E; E = E->next()) {
  		const ProjectSettings::AutoloadInfo &info = E->value();
  		if (info.is_singleton) {
  			text_edit->add_keyword_color(info.name, colors_cache.usertype_color);
  		}
  	}
  
  	//colorize comments
  	List<String> comments;
  	script->get_language()->get_comment_delimiters(&comments);
  
  	for (List<String>::Element *E = comments.front(); E; E = E->next()) {
  		String comment = E->get();
  		String beg = comment.get_slice(" ", 0);
  		String end = comment.get_slice_count(" ") > 1 ? comment.get_slice(" ", 1) : String();
  
  		text_edit->add_color_region(beg, end, colors_cache.comment_color, end == "");
  	}
  
  	//colorize strings
  	List<String> strings;
  	script->get_language()->get_string_delimiters(&strings);
  	for (List<String>::Element *E = strings.front(); E; E = E->next()) {
  		String string = E->get();
  		String beg = string.get_slice(" ", 0);
  		String end = string.get_slice_count(" ") > 1 ? string.get_slice(" ", 1) : String();
  		text_edit->add_color_region(beg, end, colors_cache.string_color, end == "");
  	}
  }
  
  void ScriptTextEditor::_show_warnings_panel(bool p_show) {
  	warnings_panel->set_visible(p_show);
  }
  
  void ScriptTextEditor::_warning_clicked(Variant p_line) {
  	if (p_line.get_type() == Variant::INT) {
  		code_editor->get_text_edit()->cursor_set_line(p_line.operator int64_t());
  	} else if (p_line.get_type() == Variant::DICTIONARY) {
  		Dictionary meta = p_line.operator Dictionary();
  		code_editor->get_text_edit()->insert_at("# warning-ignore:" + meta["code"].operator String(), meta["line"].operator int64_t() - 1);
  		_validate_script();
  	}
  }
  
  void ScriptTextEditor::reload_text() {
  	ERR_FAIL_COND(script.is_null());
  
  	TextEdit *te = code_editor->get_text_edit();
  	int column = te->cursor_get_column();
  	int row = te->cursor_get_line();
  	int h = te->get_h_scroll();
  	int v = te->get_v_scroll();
  
  	te->set_text(script->get_source_code());
  	te->cursor_set_line(row);
  	te->cursor_set_column(column);
  	te->set_h_scroll(h);
  	te->set_v_scroll(v);
  
  	te->tag_saved_version();
  
  	code_editor->update_line_and_column();
  }
  
  void ScriptTextEditor::_notification(int p_what) {
  	switch (p_what) {
  		case NOTIFICATION_READY:
  			_load_theme_settings();
  			break;
  	}
  }
  
  void ScriptTextEditor::add_callback(const String &p_function, PackedStringArray p_args) {
  	String code = code_editor->get_text_edit()->get_text();
  	int pos = script->get_language()->find_function(p_function, code);
  	if (pos == -1) {
  		//does not exist
  		code_editor->get_text_edit()->deselect();
  		pos = code_editor->get_text_edit()->get_line_count() + 2;
  		String func = script->get_language()->make_function("", p_function, p_args);
  		//code=code+func;
  		code_editor->get_text_edit()->cursor_set_line(pos + 1);
  		code_editor->get_text_edit()->cursor_set_column(1000000); //none shall be that big
  		code_editor->get_text_edit()->insert_text_at_cursor("\n\n" + func);
  	}
  	code_editor->get_text_edit()->cursor_set_line(pos);
  	code_editor->get_text_edit()->cursor_set_column(1);
  }
  
  bool ScriptTextEditor::show_members_overview() {
  	return true;
  }
  
  void ScriptTextEditor::update_settings() {
  	code_editor->update_editor_settings();
  }
  
  bool ScriptTextEditor::is_unsaved() {
  	return code_editor->get_text_edit()->get_version() != code_editor->get_text_edit()->get_saved_version();
  }
  
  Variant ScriptTextEditor::get_edit_state() {
  	return code_editor->get_edit_state();
  }
  
  void ScriptTextEditor::set_edit_state(const Variant &p_state) {
  	code_editor->set_edit_state(p_state);
  
  	Dictionary state = p_state;
  	if (state.has("syntax_highlighter")) {
  		int idx = highlighter_menu->get_item_idx_from_text(state["syntax_highlighter"]);
  		if (idx >= 0) {
  			_change_syntax_highlighter(idx);
  		}
  	}
  }
  
  void ScriptTextEditor::_convert_case(CodeTextEditor::CaseStyle p_case) {
  	code_editor->convert_case(p_case);
  }
  
  void ScriptTextEditor::trim_trailing_whitespace() {
  	code_editor->trim_trailing_whitespace();
  }
  
  void ScriptTextEditor::insert_final_newline() {
  	code_editor->insert_final_newline();
  }
  
  void ScriptTextEditor::convert_indent_to_spaces() {
  	code_editor->convert_indent_to_spaces();
  }
  
  void ScriptTextEditor::convert_indent_to_tabs() {
  	code_editor->convert_indent_to_tabs();
  }
  
  void ScriptTextEditor::tag_saved_version() {
  	code_editor->get_text_edit()->tag_saved_version();
  }
  
  void ScriptTextEditor::goto_line(int p_line, bool p_with_error) {
  	code_editor->goto_line(p_line);
  }
  
  void ScriptTextEditor::goto_line_selection(int p_line, int p_begin, int p_end) {
  	code_editor->goto_line_selection(p_line, p_begin, p_end);
  }
  
  void ScriptTextEditor::goto_line_centered(int p_line) {
  	code_editor->goto_line_centered(p_line);
  }
  
  void ScriptTextEditor::set_executing_line(int p_line) {
  	code_editor->set_executing_line(p_line);
  }
  
  void ScriptTextEditor::clear_executing_line() {
  	code_editor->clear_executing_line();
  }
  
  void ScriptTextEditor::ensure_focus() {
  	code_editor->get_text_edit()->grab_focus();
  }
  
  String ScriptTextEditor::get_name() {
  	String name;
  
  	if (script->get_path().find("local://") == -1 && script->get_path().find("::") == -1) {
  		name = script->get_path().get_file();
  		if (is_unsaved()) {
  			name += "(*)";
  		}
  	} else if (script->get_name() != "") {
  		name = script->get_name();
  	} else {
  		name = script->get_class() + "(" + itos(script->get_instance_id()) + ")";
  	}
  
  	return name;
  }
  
  Ref<Texture2D> ScriptTextEditor::get_theme_icon() {
  	if (get_parent_control() && get_parent_control()->has_theme_icon(script->get_class(), "EditorIcons")) {
  		return get_parent_control()->get_theme_icon(script->get_class(), "EditorIcons");
  	}
  
  	return Ref<Texture2D>();
  }
  
  void ScriptTextEditor::_validate_script() {
  	String errortxt;
  	int line = -1, col;
  	TextEdit *te = code_editor->get_text_edit();
  
  	String text = te->get_text();
  	List<String> fnc;
  	Set<int> safe_lines;
  	List<ScriptLanguage::Warning> warnings;
  
  	if (!script->get_language()->validate(text, line, col, errortxt, script->get_path(), &fnc, &warnings, &safe_lines)) {
  		String error_text = "error(" + itos(line) + "," + itos(col) + "): " + errortxt;
  		code_editor->set_error(error_text);
  		code_editor->set_error_pos(line - 1, col - 1);
  		script_is_valid = false;
  	} else {
  		code_editor->set_error("");
  		line = -1;
  		if (!script->is_tool()) {
  			script->set_source_code(text);
  			script->update_exports();
  			_update_member_keywords();
  		}
  
  		functions.clear();
  		for (List<String>::Element *E = fnc.front(); E; E = E->next()) {
  			functions.push_back(E->get());
  		}
  		script_is_valid = true;
  	}
  	_update_connected_methods();
  
  	int warning_nb = warnings.size();
  	warnings_panel->clear();
  
  	// Add missing connections.
  	if (GLOBAL_GET("debug/gdscript/warnings/enable").booleanize()) {
  		Node *base = get_tree()->get_edited_scene_root();
  		if (base && missing_connections.size() > 0) {
  			warnings_panel->push_table(1);
  			for (List<Connection>::Element *E = missing_connections.front(); E; E = E->next()) {
  				Connection connection = E->get();
  
  				String base_path = base->get_name();
  				String source_path = base == connection.signal.get_object() ? base_path : base_path + "/" + base->get_path_to(Object::cast_to<Node>(connection.signal.get_object()));
  				String target_path = base == connection.callable.get_object() ? base_path : base_path + "/" + base->get_path_to(Object::cast_to<Node>(connection.callable.get_object()));
  
  				warnings_panel->push_cell();
  				warnings_panel->push_color(warnings_panel->get_theme_color("warning_color", "Editor"));
  				warnings_panel->add_text(vformat(TTR("Missing connected method '%s' for signal '%s' from node '%s' to node '%s'."), connection.callable.get_method(), connection.signal.get_name(), source_path, target_path));
  				warnings_panel->pop(); // Color.
  				warnings_panel->pop(); // Cell.
  			}
  			warnings_panel->pop(); // Table.
  
  			warning_nb += missing_connections.size();
  		}
  	}
  
  	code_editor->set_warning_nb(warning_nb);
  
  	// Add script warnings.
  	warnings_panel->push_table(3);
  	for (List<ScriptLanguage::Warning>::Element *E = warnings.front(); E; E = E->next()) {
  		ScriptLanguage::Warning w = E->get();
  
  		Dictionary ignore_meta;
  		ignore_meta["line"] = w.line;
  		ignore_meta["code"] = w.string_code.to_lower();
  		warnings_panel->push_cell();
  		warnings_panel->push_meta(ignore_meta);
  		warnings_panel->push_color(
  				warnings_panel->get_theme_color("accent_color", "Editor").lerp(warnings_panel->get_theme_color("mono_color", "Editor"), 0.5));
  		warnings_panel->add_text(TTR("[Ignore]"));
  		warnings_panel->pop(); // Color.
  		warnings_panel->pop(); // Meta ignore.
  		warnings_panel->pop(); // Cell.
  
  		warnings_panel->push_cell();
  		warnings_panel->push_meta(w.line - 1);
  		warnings_panel->push_color(warnings_panel->get_theme_color("warning_color", "Editor"));
  		warnings_panel->add_text(TTR("Line") + " " + itos(w.line));
  		warnings_panel->add_text(" (" + w.string_code + "):");
  		warnings_panel->pop(); // Color.
  		warnings_panel->pop(); // Meta goto.
  		warnings_panel->pop(); // Cell.
  
  		warnings_panel->push_cell();
  		warnings_panel->add_text(w.message);
  		warnings_panel->pop(); // Cell.
  	}
  	warnings_panel->pop(); // Table.
  
  	line--;
  	bool highlight_safe = EDITOR_DEF("text_editor/highlighting/highlight_type_safe_lines", true);
  	bool last_is_safe = false;
  	for (int i = 0; i < te->get_line_count(); i++) {
  		te->set_line_as_marked(i, line == i);
  		if (highlight_safe) {
  			if (safe_lines.has(i + 1)) {
  				te->set_line_as_safe(i, true);
  				last_is_safe = true;
  			} else if (last_is_safe && (te->is_line_comment(i) || te->get_line(i).strip_edges().empty())) {
  				te->set_line_as_safe(i, true);
  			} else {
  				te->set_line_as_safe(i, false);
  				last_is_safe = false;
  			}
  		} else {
  			te->set_line_as_safe(i, false);
  		}
  	}
  
  	emit_signal("name_changed");
  	emit_signal("edited_script_changed");
  }
  
  void ScriptTextEditor::_update_bookmark_list() {
  	bookmarks_menu->clear();
  	bookmarks_menu->set_size(Size2(1, 1));
  
  	bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
  	bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/remove_all_bookmarks"), BOOKMARK_REMOVE_ALL);
  	bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_next_bookmark"), BOOKMARK_GOTO_NEXT);
  	bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_previous_bookmark"), BOOKMARK_GOTO_PREV);
  
  	Array bookmark_list = code_editor->get_text_edit()->get_bookmarks_array();
  	if (bookmark_list.size() == 0) {
  		return;
  	}
  
  	bookmarks_menu->add_separator();
  
  	for (int i = 0; i < bookmark_list.size(); i++) {
  		// Strip edges to remove spaces or tabs.
  		// Also replace any tabs by spaces, since we can't print tabs in the menu.
  		String line = code_editor->get_text_edit()->get_line(bookmark_list[i]).replace("\t", "  ").strip_edges();
  
  		// Limit the size of the line if too big.
  		if (line.length() > 50) {
  			line = line.substr(0, 50);
  		}
  
  		bookmarks_menu->add_item(String::num((int)bookmark_list[i] + 1) + " - `" + line + "`");
  		bookmarks_menu->set_item_metadata(bookmarks_menu->get_item_count() - 1, bookmark_list[i]);
  	}
  }
  
  void ScriptTextEditor::_bookmark_item_pressed(int p_idx) {
  	if (p_idx < 4) { // Any item before the separator.
  		_edit_option(bookmarks_menu->get_item_id(p_idx));
  	} else {
  		code_editor->goto_line(bookmarks_menu->get_item_metadata(p_idx));
  		code_editor->get_text_edit()->call_deferred("center_viewport_to_cursor"); //Need to be deferred, because goto uses call_deferred().
  	}
  }
  
  static Vector<Node *> _find_all_node_for_script(Node *p_base, Node *p_current, const Ref<Script> &p_script) {
  	Vector<Node *> nodes;
  
  	if (p_current->get_owner() != p_base && p_base != p_current) {
  		return nodes;
  	}
  
  	Ref<Script> c = p_current->get_script();
  	if (c == p_script) {
  		nodes.push_back(p_current);
  	}
  
  	for (int i = 0; i < p_current->get_child_count(); i++) {
  		Vector<Node *> found = _find_all_node_for_script(p_base, p_current->get_child(i), p_script);
  		nodes.append_array(found);
  	}
  
  	return nodes;
  }
  
  static Node *_find_node_for_script(Node *p_base, Node *p_current, const Ref<Script> &p_script) {
  	if (p_current->get_owner() != p_base && p_base != p_current) {
  		return nullptr;
  	}
  	Ref<Script> c = p_current->get_script();
  	if (c == p_script) {
  		return p_current;
  	}
  	for (int i = 0; i < p_current->get_child_count(); i++) {
  		Node *found = _find_node_for_script(p_base, p_current->get_child(i), p_script);
  		if (found) {
  			return found;
  		}
  	}
  
  	return nullptr;
  }
  
  static void _find_changed_scripts_for_external_editor(Node *p_base, Node *p_current, Set<Ref<Script>> &r_scripts) {
  	if (p_current->get_owner() != p_base && p_base != p_current) {
  		return;
  	}
  	Ref<Script> c = p_current->get_script();
  
  	if (c.is_valid()) {
  		r_scripts.insert(c);
  	}
  
  	for (int i = 0; i < p_current->get_child_count(); i++) {
  		_find_changed_scripts_for_external_editor(p_base, p_current->get_child(i), r_scripts);
  	}
  }
  
  void ScriptEditor::_update_modified_scripts_for_external_editor(Ref<Script> p_for_script) {
  	if (!bool(EditorSettings::get_singleton()->get("text_editor/external/use_external_editor"))) {
  		return;
  	}
  
  	ERR_FAIL_COND(!get_tree());
  
  	Set<Ref<Script>> scripts;
  
  	Node *base = get_tree()->get_edited_scene_root();
  	if (base) {
  		_find_changed_scripts_for_external_editor(base, base, scripts);
  	}
  
  	for (Set<Ref<Script>>::Element *E = scripts.front(); E; E = E->next()) {
  		Ref<Script> script = E->get();
  
  		if (p_for_script.is_valid() && p_for_script != script) {
  			continue;
  		}
  
  		if (script->get_path() == "" || script->get_path().find("local://") != -1 || script->get_path().find("::") != -1) {
  			continue; //internal script, who cares, though weird
  		}
  
  		uint64_t last_date = script->get_last_modified_time();
  		uint64_t date = FileAccess::get_modified_time(script->get_path());
  
  		if (last_date != date) {
  			Ref<Script> rel_script = ResourceLoader::load(script->get_path(), script->get_class(), true);
  			ERR_CONTINUE(!rel_script.is_valid());
  			script->set_source_code(rel_script->get_source_code());
  			script->set_last_modified_time(rel_script->get_last_modified_time());
  			script->update_exports();
  		}
  	}
  }
  
  void ScriptTextEditor::_code_complete_scripts(void *p_ud, const String &p_code, List<ScriptCodeCompletionOption> *r_options, bool &r_force) {
  	ScriptTextEditor *ste = (ScriptTextEditor *)p_ud;
  	ste->_code_complete_script(p_code, r_options, r_force);
  }
  
  void ScriptTextEditor::_code_complete_script(const String &p_code, List<ScriptCodeCompletionOption> *r_options, bool &r_force) {
  	if (color_panel->is_visible()) {
  		return;
  	}
  	Node *base = get_tree()->get_edited_scene_root();
  	if (base) {
  		base = _find_node_for_script(base, base, script);
  	}
  	String hint;
  	Error err = script->get_language()->complete_code(p_code, script->get_path(), base, r_options, r_force, hint);
  	if (err == OK) {
  		code_editor->get_text_edit()->set_code_hint(hint);
  	}
  }
  
  void ScriptTextEditor::_update_breakpoint_list() {
  	breakpoints_menu->clear();
  	breakpoints_menu->set_size(Size2(1, 1));
  
  	breakpoints_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_breakpoint"), DEBUG_TOGGLE_BREAKPOINT);
  	breakpoints_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/remove_all_breakpoints"), DEBUG_REMOVE_ALL_BREAKPOINTS);
  	breakpoints_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_next_breakpoint"), DEBUG_GOTO_NEXT_BREAKPOINT);
  	breakpoints_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_previous_breakpoint"), DEBUG_GOTO_PREV_BREAKPOINT);
  
  	Array breakpoint_list = code_editor->get_text_edit()->get_breakpoints_array();
  	if (breakpoint_list.size() == 0) {
  		return;
  	}
  
  	breakpoints_menu->add_separator();
  
  	for (int i = 0; i < breakpoint_list.size(); i++) {
  		// Strip edges to remove spaces or tabs.
  		// Also replace any tabs by spaces, since we can't print tabs in the menu.
  		String line = code_editor->get_text_edit()->get_line(breakpoint_list[i]).replace("\t", "  ").strip_edges();
  
  		// Limit the size of the line if too big.
  		if (line.length() > 50) {
  			line = line.substr(0, 50);
  		}
  
  		breakpoints_menu->add_item(String::num((int)breakpoint_list[i] + 1) + " - `" + line + "`");
  		breakpoints_menu->set_item_metadata(breakpoints_menu->get_item_count() - 1, breakpoint_list[i]);
  	}
  }
  
  void ScriptTextEditor::_breakpoint_item_pressed(int p_idx) {
  	if (p_idx < 4) { // Any item before the separator.
  		_edit_option(breakpoints_menu->get_item_id(p_idx));
  	} else {
  		code_editor->goto_line(breakpoints_menu->get_item_metadata(p_idx));
  		code_editor->get_text_edit()->call_deferred("center_viewport_to_cursor"); //Need to be deferred, because goto uses call_deferred().
  	}
  }
  
  void ScriptTextEditor::_breakpoint_toggled(int p_row) {
  	EditorDebuggerNode::get_singleton()->set_breakpoint(script->get_path(), p_row + 1, code_editor->get_text_edit()->is_line_set_as_breakpoint(p_row));
  }
  
  void ScriptTextEditor::_lookup_symbol(const String &p_symbol, int p_row, int p_column) {
  	Node *base = get_tree()->get_edited_scene_root();
  	if (base) {
  		base = _find_node_for_script(base, base, script);
  	}
  
  	ScriptLanguage::LookupResult result;
  	if (ScriptServer::is_global_class(p_symbol)) {
  		EditorNode::get_singleton()->load_resource(ScriptServer::get_global_class_path(p_symbol));
  	} else if (p_symbol.is_resource_file()) {
  		List<String> scene_extensions;
  		ResourceLoader::get_recognized_extensions_for_type("PackedScene", &scene_extensions);
  
  		if (scene_extensions.find(p_symbol.get_extension())) {
  			EditorNode::get_singleton()->load_scene(p_symbol);
  		} else {
  			EditorNode::get_singleton()->load_resource(p_symbol);
  		}
  
  	} else if (script->get_language()->lookup_code(code_editor->get_text_edit()->get_text_for_lookup_completion(), p_symbol, script->get_path(), base, result) == OK) {
  		_goto_line(p_row);
  
  		result.class_name = result.class_name.trim_prefix("_");
  
  		switch (result.type) {
  			case ScriptLanguage::LookupResult::RESULT_SCRIPT_LOCATION: {
  				if (result.script.is_valid()) {
  					emit_signal("request_open_script_at_line", result.script, result.location - 1);
  				} else {
  					emit_signal("request_save_history");
  					_goto_line(result.location - 1);
  				}
  			} break;
  			case ScriptLanguage::LookupResult::RESULT_CLASS: {
  				emit_signal("go_to_help", "class_name:" + result.class_name);
  			} break;
  			case ScriptLanguage::LookupResult::RESULT_CLASS_CONSTANT: {
  				StringName cname = result.class_name;
  				bool success;
  				while (true) {
  					ClassDB::get_integer_constant(cname, result.class_member, &success);
  					if (success) {
  						result.class_name = cname;
  						cname = ClassDB::get_parent_class(cname);
  					} else {
  						break;
  					}
  				}
  
  				emit_signal("go_to_help", "class_constant:" + result.class_name + ":" + result.class_member);
  
  			} break;
  			case ScriptLanguage::LookupResult::RESULT_CLASS_PROPERTY: {
  				emit_signal("go_to_help", "class_property:" + result.class_name + ":" + result.class_member);
  
  			} break;
  			case ScriptLanguage::LookupResult::RESULT_CLASS_METHOD: {
  				StringName cname = result.class_name;
  
  				while (true) {
  					if (ClassDB::has_method(cname, result.class_member)) {
  						result.class_name = cname;
  						cname = ClassDB::get_parent_class(cname);
  					} else {
  						break;
  					}
  				}
  
  				emit_signal("go_to_help", "class_method:" + result.class_name + ":" + result.class_member);
  
  			} break;
  			case ScriptLanguage::LookupResult::RESULT_CLASS_ENUM: {
  				StringName cname = result.class_name;
  				StringName success;
  				while (true) {
  					success = ClassDB::get_integer_constant_enum(cname, result.class_member, true);
  					if (success != StringName()) {
  						result.class_name = cname;
  						cname = ClassDB::get_parent_class(cname);
  					} else {
  						break;
  					}
  				}
  
  				emit_signal("go_to_help", "class_enum:" + result.class_name + ":" + result.class_member);
  
  			} break;
  			case ScriptLanguage::LookupResult::RESULT_CLASS_TBD_GLOBALSCOPE: {
  				emit_signal("go_to_help", "class_global:" + result.class_name + ":" + result.class_member);
  			} break;
  		}
  	} else if (ProjectSettings::get_singleton()->has_autoload(p_symbol)) {
  		// Check for Autoload scenes.
  		const ProjectSettings::AutoloadInfo &info = ProjectSettings::get_singleton()->get_autoload(p_symbol);
  		if (info.is_singleton) {
  			EditorNode::get_singleton()->load_scene(info.path);
  		}
  	} else if (p_symbol.is_rel_path()) {
  		// Every symbol other than absolute path is relative path so keep this condition at last.
  		String path = _get_absolute_path(p_symbol);
  		if (FileAccess::exists(path)) {
  			List<String> scene_extensions;
  			ResourceLoader::get_recognized_extensions_for_type("PackedScene", &scene_extensions);
  
  			if (scene_extensions.find(path.get_extension())) {
  				EditorNode::get_singleton()->load_scene(path);
  			} else {
  				EditorNode::get_singleton()->load_resource(path);
  			}
  		}
  	}
  }
  
  void ScriptTextEditor::_validate_symbol(const String &p_symbol) {
  	TextEdit *text_edit = code_editor->get_text_edit();
  
  	Node *base = get_tree()->get_edited_scene_root();
  	if (base) {
  		base = _find_node_for_script(base, base, script);
  	}
  
  	ScriptLanguage::LookupResult result;
  	if (ScriptServer::is_global_class(p_symbol) || p_symbol.is_resource_file() || script->get_language()->lookup_code(code_editor->get_text_edit()->get_text_for_lookup_completion(), p_symbol, script->get_path(), base, result) == OK || (ProjectSettings::get_singleton()->has_autoload(p_symbol) && ProjectSettings::get_singleton()->get_autoload(p_symbol).is_singleton)) {
  		text_edit->set_highlighted_word(p_symbol);
  	} else if (p_symbol.is_rel_path()) {
  		String path = _get_absolute_path(p_symbol);
  		if (FileAccess::exists(path)) {
  			text_edit->set_highlighted_word(p_symbol);
  		} else {
  			text_edit->set_highlighted_word(String());
  		}
  
  	} else {
  		text_edit->set_highlighted_word(String());
  	}
  }
  
  String ScriptTextEditor::_get_absolute_path(const String &rel_path) {
  	String base_path = script->get_path().get_base_dir();
  	String path = base_path.plus_file(rel_path);
  	return path.replace("///", "//").simplify_path();
  }
  
  void ScriptTextEditor::update_toggle_scripts_button() {
  	if (code_editor != nullptr) {
  		code_editor->update_toggle_scripts_button();
  	}
  }
  
  void ScriptTextEditor::_update_connected_methods() {
  	TextEdit *text_edit = code_editor->get_text_edit();
  	text_edit->clear_info_icons();
  	missing_connections.clear();
  
  	if (!script_is_valid) {
  		return;
  	}
  
  	Node *base = get_tree()->get_edited_scene_root();
  	if (!base) {
  		return;
  	}
  
  	Vector<Node *> nodes = _find_all_node_for_script(base, base, script);
  	Set<StringName> methods_found;
  	for (int i = 0; i < nodes.size(); i++) {
  		List<Connection> connections;
  		nodes[i]->get_signals_connected_to_this(&connections);
  
  		for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {
  			Connection connection = E->get();
  			if (!(connection.flags & CONNECT_PERSIST)) {
  				continue;
  			}
  
  			// As deleted nodes are still accessible via the undo/redo system, check if they're still on the tree.
  			Node *source = Object::cast_to<Node>(connection.signal.get_object());
  			if (source && !source->is_inside_tree()) {
  				continue;
  			}
  
  			if (methods_found.has(connection.callable.get_method())) {
  				continue;
  			}
  
  			if (!ClassDB::has_method(script->get_instance_base_type(), connection.callable.get_method())) {
  				int line = -1;
  
  				for (int j = 0; j < functions.size(); j++) {
  					String name = functions[j].get_slice(":", 0);
  					if (name == connection.callable.get_method()) {
  						line = functions[j].get_slice(":", 1).to_int();
  						text_edit->set_line_info_icon(line - 1, get_parent_control()->get_theme_icon("Slot", "EditorIcons"), connection.callable.get_method());
  						methods_found.insert(connection.callable.get_method());
  						break;
  					}
  				}
  
  				if (line >= 0) {
  					continue;
  				}
  
  				// There is a chance that the method is inherited from another script.
  				bool found_inherited_function = false;
  				Ref<Script> inherited_script = script->get_base_script();
  				while (!inherited_script.is_null()) {
  					if (inherited_script->has_method(connection.callable.get_method())) {
  						found_inherited_function = true;
  						break;
  					}
  
  					inherited_script = inherited_script->get_base_script();
  				}
  
  				if (!found_inherited_function) {
  					missing_connections.push_back(connection);
  				}
  			}
  		}
  	}
  }
  
  void ScriptTextEditor::_lookup_connections(int p_row, String p_method) {
  	Node *base = get_tree()->get_edited_scene_root();
  	if (!base) {
  		return;
  	}
  
  	Vector<Node *> nodes = _find_all_node_for_script(base, base, script);
  	connection_info_dialog->popup_connections(p_method, nodes);
  }
  
  void ScriptTextEditor::_edit_option(int p_op) {
  	TextEdit *tx = code_editor->get_text_edit();
  
  	switch (p_op) {
  		case EDIT_UNDO: {
  			tx->undo();
  			tx->call_deferred("grab_focus");
  		} break;
  		case EDIT_REDO: {
  			tx->redo();
  			tx->call_deferred("grab_focus");
  		} break;
  		case EDIT_CUT: {
  			tx->cut();
  			tx->call_deferred("grab_focus");
  		} break;
  		case EDIT_COPY: {
  			tx->copy();
  			tx->call_deferred("grab_focus");
  		} break;
  		case EDIT_PASTE: {
  			tx->paste();
  			tx->call_deferred("grab_focus");
  		} break;
  		case EDIT_SELECT_ALL: {
  			tx->select_all();
  			tx->call_deferred("grab_focus");
  		} break;
  		case EDIT_MOVE_LINE_UP: {
  			code_editor->move_lines_up();
  		} break;
  		case EDIT_MOVE_LINE_DOWN: {
  			code_editor->move_lines_down();
  		} break;
  		case EDIT_INDENT_LEFT: {
  			Ref<Script> scr = script;
  			if (scr.is_null()) {
  				return;
  			}
  
  			tx->indent_left();
  		} break;
  		case EDIT_INDENT_RIGHT: {
  			Ref<Script> scr = script;
  			if (scr.is_null()) {
  				return;
  			}
  
  			tx->indent_right();
  		} break;
  		case EDIT_DELETE_LINE: {
  			code_editor->delete_lines();
  		} break;
  		case EDIT_CLONE_DOWN: {
  			code_editor->clone_lines_down();
  		} break;
  		case EDIT_TOGGLE_FOLD_LINE: {
  			tx->toggle_fold_line(tx->cursor_get_line());
  			tx->update();
  		} break;
  		case EDIT_FOLD_ALL_LINES: {
  			tx->fold_all_lines();
  			tx->update();
  		} break;
  		case EDIT_UNFOLD_ALL_LINES: {
  			tx->unhide_all_lines();
  			tx->update();
  		} break;
  		case EDIT_TOGGLE_COMMENT: {
  			_edit_option_toggle_inline_comment();
  		} break;
  		case EDIT_COMPLETE: {
  			tx->query_code_comple();
  		} break;
  		case EDIT_AUTO_INDENT: {
  			String text = tx->get_text();
  			Ref<Script> scr = script;
  			if (scr.is_null()) {
  				return;
  			}
  
  			tx->begin_complex_operation();
  			int begin, end;
  			if (tx->is_selection_active()) {
  				begin = tx->get_selection_from_line();
  				end = tx->get_selection_to_line();
  				// ignore if the cursor is not past the first column
  				if (tx->get_selection_to_column() == 0) {
  					end--;
  				}
  			} else {
  				begin = 0;
  				end = tx->get_line_count() - 1;
  			}
  			scr->get_language()->auto_indent_code(text, begin, end);
  			Vector<String> lines = text.split("\n");
  			for (int i = begin; i <= end; ++i) {
  				tx->set_line(i, lines[i]);
  			}
  
  			tx->end_complex_operation();
  		} break;
  		case EDIT_TRIM_TRAILING_WHITESAPCE: {
  			trim_trailing_whitespace();
  		} break;
  		case EDIT_CONVERT_INDENT_TO_SPACES: {
  			convert_indent_to_spaces();
  		} break;
  		case EDIT_CONVERT_INDENT_TO_TABS: {
  			convert_indent_to_tabs();
  		} break;
  		case EDIT_PICK_COLOR: {
  			color_panel->popup();
  		} break;
  		case EDIT_TO_UPPERCASE: {
  			_convert_case(CodeTextEditor::UPPER);
  		} break;
  		case EDIT_TO_LOWERCASE: {
  			_convert_case(CodeTextEditor::LOWER);
  		} break;
  		case EDIT_CAPITALIZE: {
  			_convert_case(CodeTextEditor::CAPITALIZE);
  		} break;
  		case EDIT_EVALUATE: {
  			Expression expression;
  			Vector<String> lines = code_editor->get_text_edit()->get_selection_text().split("\n");
  			PackedStringArray results;
  
  			for (int i = 0; i < lines.size(); i++) {
  				String line = lines[i];
  				String whitespace = line.substr(0, line.size() - line.strip_edges(true, false).size()); //extract the whitespace at the beginning
  
  				if (expression.parse(line) == OK) {
  					Variant result = expression.execute(Array(), Variant(), false);
  					if (expression.get_error_text() == "") {
  						results.push_back(whitespace + result.get_construct_string());
  					} else {
  						results.push_back(line);
  					}
  				} else {
  					results.push_back(line);
  				}
  			}
  
  			code_editor->get_text_edit()->begin_complex_operation(); //prevents creating a two-step undo
  			code_editor->get_text_edit()->insert_text_at_cursor(String("\n").join(results));
  			code_editor->get_text_edit()->end_complex_operation();
  		} break;
  		case SEARCH_FIND: {
  			code_editor->get_find_replace_bar()->popup_search();
  		} break;
  		case SEARCH_FIND_NEXT: {
  			code_editor->get_find_replace_bar()->search_next();
  		} break;
  		case SEARCH_FIND_PREV: {
  			code_editor->get_find_replace_bar()->search_prev();
  		} break;
  		case SEARCH_REPLACE: {
  			code_editor->get_find_replace_bar()->popup_replace();
  		} break;
  		case SEARCH_IN_FILES: {
  			String selected_text = code_editor->get_text_edit()->get_selection_text();
  
  			// Yep, because it doesn't make sense to instance this dialog for every single script open...
  			// So this will be delegated to the ScriptEditor.
  			emit_signal("search_in_files_requested", selected_text);
  		} break;
  		case REPLACE_IN_FILES: {
  			String selected_text = code_editor->get_text_edit()->get_selection_text();
  
  			emit_signal("replace_in_files_requested", selected_text);
  		} break;
  		case SEARCH_LOCATE_FUNCTION: {
  			quick_open->popup_dialog(get_functions());
  			quick_open->set_title(TTR("Go to Function"));
  		} break;
  		case SEARCH_GOTO_LINE: {
  			goto_line_dialog->popup_find_line(tx);
  		} break;
  		case BOOKMARK_TOGGLE: {
  			code_editor->toggle_bookmark();
  		} break;
  		case BOOKMARK_GOTO_NEXT: {
  			code_editor->goto_next_bookmark();
  		} break;
  		case BOOKMARK_GOTO_PREV: {
  			code_editor->goto_prev_bookmark();
  		} break;
  		case BOOKMARK_REMOVE_ALL: {
  			code_editor->remove_all_bookmarks();
  		} break;
  		case DEBUG_TOGGLE_BREAKPOINT: {
  			int line = tx->cursor_get_line();
  			bool dobreak = !tx->is_line_set_as_breakpoint(line);
  			tx->set_line_as_breakpoint(line, dobreak);
  			EditorDebuggerNode::get_singleton()->set_breakpoint(script->get_path(), line + 1, dobreak);
  		} break;
  		case DEBUG_REMOVE_ALL_BREAKPOINTS: {
  			List<int> bpoints;
  			tx->get_breakpoints(&bpoints);
  
  			for (List<int>::Element *E = bpoints.front(); E; E = E->next()) {
  				int line = E->get();
  				bool dobreak = !tx->is_line_set_as_breakpoint(line);
  				tx->set_line_as_breakpoint(line, dobreak);
  				EditorDebuggerNode::get_singleton()->set_breakpoint(script->get_path(), line + 1, dobreak);
  			}
  		} break;
  		case DEBUG_GOTO_NEXT_BREAKPOINT: {
  			List<int> bpoints;
  			tx->get_breakpoints(&bpoints);
  			if (bpoints.size() <= 0) {
  				return;
  			}
  
  			int line = tx->cursor_get_line();
  
  			// wrap around
  			if (line >= bpoints[bpoints.size() - 1]) {
  				tx->unfold_line(bpoints[0]);
  				tx->cursor_set_line(bpoints[0]);
  				tx->center_viewport_to_cursor();
  			} else {
  				for (List<int>::Element *E = bpoints.front(); E; E = E->next()) {
  					int bline = E->get();
  					if (bline > line) {
  						tx->unfold_line(bline);
  						tx->cursor_set_line(bline);
  						tx->center_viewport_to_cursor();
  						return;
  					}
  				}
  			}
  
  		} break;
  		case DEBUG_GOTO_PREV_BREAKPOINT: {
  			List<int> bpoints;
  			tx->get_breakpoints(&bpoints);
  			if (bpoints.size() <= 0) {
  				return;
  			}
  
  			int line = tx->cursor_get_line();
  			// wrap around
  			if (line <= bpoints[0]) {
  				tx->unfold_line(bpoints[bpoints.size() - 1]);
  				tx->cursor_set_line(bpoints[bpoints.size() - 1]);
  				tx->center_viewport_to_cursor();
  			} else {
  				for (List<int>::Element *E = bpoints.back(); E; E = E->prev()) {
  					int bline = E->get();
  					if (bline < line) {
  						tx->unfold_line(bline);
  						tx->cursor_set_line(bline);
  						tx->center_viewport_to_cursor();
  						return;
  					}
  				}
  			}
  
  		} break;
  		case HELP_CONTEXTUAL: {
  			String text = tx->get_selection_text();
  			if (text == "") {
  				text = tx->get_word_under_cursor();
  			}
  			if (text != "") {
  				emit_signal("request_help", text);
  			}
  		} break;
  		case LOOKUP_SYMBOL: {
  			String text = tx->get_word_under_cursor();
  			if (text == "") {
  				text = tx->get_selection_text();
  			}
  			if (text != "") {
  				_lookup_symbol(text, tx->cursor_get_line(), tx->cursor_get_column());
  			}
  		} break;
  	}
  }
  
  void ScriptTextEditor::_edit_option_toggle_inline_comment() {
  	if (script.is_null()) {
  		return;
  	}
  
  	String delimiter = "#";
  	List<String> comment_delimiters;
  	script->get_language()->get_comment_delimiters(&comment_delimiters);
  
  	for (List<String>::Element *E = comment_delimiters.front(); E; E = E->next()) {
  		String script_delimiter = E->get();
  		if (script_delimiter.find(" ") == -1) {
  			delimiter = script_delimiter;
  			break;
  		}
  	}
  
  	code_editor->toggle_inline_comment(delimiter);
  }
  
  void ScriptTextEditor::add_syntax_highlighter(SyntaxHighlighter *p_highlighter) {
  	highlighters[p_highlighter->get_name()] = p_highlighter;
  	highlighter_menu->add_radio_check_item(p_highlighter->get_name());
  }
  
  void ScriptTextEditor::set_syntax_highlighter(SyntaxHighlighter *p_highlighter) {
  	TextEdit *te = code_editor->get_text_edit();
  	te->_set_syntax_highlighting(p_highlighter);
  	if (p_highlighter != nullptr) {
  		highlighter_menu->set_item_checked(highlighter_menu->get_item_idx_from_text(p_highlighter->get_name()), true);
  	} else {
  		highlighter_menu->set_item_checked(highlighter_menu->get_item_idx_from_text(TTR("Standard")), true);
  	}
  }
  
  void ScriptTextEditor::_change_syntax_highlighter(int p_idx) {
  	Map<String, SyntaxHighlighter *>::Element *el = highlighters.front();
  	while (el != nullptr) {
  		highlighter_menu->set_item_checked(highlighter_menu->get_item_idx_from_text(el->key()), false);
  		el = el->next();
  	}
  	// highlighter_menu->set_item_checked(p_idx, true);
  	set_syntax_highlighter(highlighters[highlighter_menu->get_item_text(p_idx)]);
  }
  
  void ScriptTextEditor::_bind_methods() {
  	ClassDB::bind_method("_update_connected_methods", &ScriptTextEditor::_update_connected_methods);
  
  	ClassDB::bind_method("get_drag_data_fw", &ScriptTextEditor::get_drag_data_fw);
  	ClassDB::bind_method("can_drop_data_fw", &ScriptTextEditor::can_drop_data_fw);
  	ClassDB::bind_method("drop_data_fw", &ScriptTextEditor::drop_data_fw);
  }
  
  Control *ScriptTextEditor::get_edit_menu() {
  	return edit_hb;
  }
  
  void ScriptTextEditor::clear_edit_menu() {
  	memdelete(edit_hb);
  }
  
  void ScriptTextEditor::reload(bool p_soft) {
  	TextEdit *te = code_editor->get_text_edit();
  	Ref<Script> scr = script;
  	if (scr.is_null()) {
  		return;
  	}
  	scr->set_source_code(te->get_text());
  	bool soft = p_soft || scr->get_instance_base_type() == "EditorPlugin"; //always soft-reload editor plugins
  
  	scr->get_language()->reload_tool_script(scr, soft);
  }
  
  void ScriptTextEditor::get_breakpoints(List<int> *p_breakpoints) {
  	code_editor->get_text_edit()->get_breakpoints(p_breakpoints);
  }
  
  void ScriptTextEditor::set_tooltip_request_func(String p_method, Object *p_obj) {
  	code_editor->get_text_edit()->set_tooltip_request_func(p_obj, p_method, this);
  }
  
  void ScriptTextEditor::set_debugger_active(bool p_active) {
  }
  
  Variant ScriptTextEditor::get_drag_data_fw(const Point2 &p_point, Control *p_from) {
  	return Variant();
  }
  
  bool ScriptTextEditor::can_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) const {
  	Dictionary d = p_data;
  	if (d.has("type") && (String(d["type"]) == "resource" ||
  								 String(d["type"]) == "files" ||
  								 String(d["type"]) == "nodes" ||
  								 String(d["type"]) == "files_and_dirs")) {
  		return true;
  	}
  
  	return false;
  }
  
  static Node *_find_script_node(Node *p_edited_scene, Node *p_current_node, const Ref<Script> &script) {
  	if (p_edited_scene != p_current_node && p_current_node->get_owner() != p_edited_scene) {
  		return nullptr;
  	}
  
  	Ref<Script> scr = p_current_node->get_script();
  
  	if (scr.is_valid() && scr == script) {
  		return p_current_node;
  	}
  
  	for (int i = 0; i < p_current_node->get_child_count(); i++) {
  		Node *n = _find_script_node(p_edited_scene, p_current_node->get_child(i), script);
  		if (n) {
  			return n;
  		}
  	}
  
  	return nullptr;
  }
  
  void ScriptTextEditor::drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) {
  	Dictionary d = p_data;
  
  	TextEdit *te = code_editor->get_text_edit();
  	int row, col;
  	te->_get_mouse_pos(p_point, row, col);
  
  	if (d.has("type") && String(d["type"]) == "resource") {
  		Ref<Resource> res = d["resource"];
  		if (!res.is_valid()) {
  			return;
  		}
  
  		if (res->get_path().is_resource_file()) {
  			EditorNode::get_singleton()->show_warning(TTR("Only resources from filesystem can be dropped."));
  			return;
  		}
  
  		te->cursor_set_line(row);
  		te->cursor_set_column(col);
  		te->insert_text_at_cursor(res->get_path());
  	}
  
  	if (d.has("type") && (String(d["type"]) == "files" || String(d["type"]) == "files_and_dirs")) {
  		Array files = d["files"];
  
  		String text_to_drop;
  		for (int i = 0; i < files.size(); i++) {
  			if (i > 0) {
  				text_to_drop += ",";
  			}
  			text_to_drop += "\"" + String(files[i]).c_escape() + "\"";
  		}
  
  		te->cursor_set_line(row);
  		te->cursor_set_column(col);
  		te->insert_text_at_cursor(text_to_drop);
  	}
  
  	if (d.has("type") && String(d["type"]) == "nodes") {
  		Node *sn = _find_script_node(get_tree()->get_edited_scene_root(), get_tree()->get_edited_scene_root(), script);
  
  		if (!sn) {
  			EditorNode::get_singleton()->show_warning(vformat(TTR("Can't drop nodes because script '%s' is not used in this scene."), get_name()));
  			return;
  		}
  
  		Array nodes = d["nodes"];
  		String text_to_drop;
  		for (int i = 0; i < nodes.size(); i++) {
  			if (i > 0) {
  				text_to_drop += ",";
  			}
  
  			NodePath np = nodes[i];
  			Node *node = get_node(np);
  			if (!node) {
  				continue;
  			}
  
  			String path = sn->get_path_to(node);
  			text_to_drop += "\"" + path.c_escape() + "\"";
  		}
  
  		te->cursor_set_line(row);
  		te->cursor_set_column(col);
  		te->insert_text_at_cursor(text_to_drop);
  	}
  }
  
  void ScriptTextEditor::_text_edit_gui_input(const Ref<InputEvent> &ev) {
  	Ref<InputEventMouseButton> mb = ev;
  	Ref<InputEventKey> k = ev;
  	Point2 local_pos;
  	bool create_menu = false;
  
  	TextEdit *tx = code_editor->get_text_edit();
  	if (mb.is_valid() && mb->get_button_index() == BUTTON_RIGHT && mb->is_pressed()) {
  		local_pos = mb->get_global_position() - tx->get_global_position();
  		create_menu = true;
  	} else if (k.is_valid() && k->get_keycode() == KEY_MENU) {
  		local_pos = tx->_get_cursor_pixel_pos();
  		create_menu = true;
  	}
  
  	if (create_menu) {
  		int col, row;
  		tx->_get_mouse_pos(local_pos, row, col);
  
  		tx->set_right_click_moves_caret(EditorSettings::get_singleton()->get("text_editor/cursor/right_click_moves_caret"));
  		if (tx->is_right_click_moving_caret()) {
  			if (tx->is_selection_active()) {
  				int from_line = tx->get_selection_from_line();
  				int to_line = tx->get_selection_to_line();
  				int from_column = tx->get_selection_from_column();
  				int to_column = tx->get_selection_to_column();
  
  				if (row < from_line || row > to_line || (row == from_line && col < from_column) || (row == to_line && col > to_column)) {
  					// Right click is outside the selected text
  					tx->deselect();
  				}
  			}
  			if (!tx->is_selection_active()) {
  				tx->cursor_set_line(row, true, false);
  				tx->cursor_set_column(col);
  			}
  		}
  
  		String word_at_pos = tx->get_word_at_pos(local_pos);
  		if (word_at_pos == "") {
  			word_at_pos = tx->get_word_under_cursor();
  		}
  		if (word_at_pos == "") {
  			word_at_pos = tx->get_selection_text();
  		}
  
  		bool has_color = (word_at_pos == "Color");
  		bool foldable = tx->can_fold(row) || tx->is_folded(row);
  		bool open_docs = false;
  		bool goto_definition = false;
  
  		if (word_at_pos.is_resource_file()) {
  			open_docs = true;
  		} else {
  			Node *base = get_tree()->get_edited_scene_root();
  			if (base) {
  				base = _find_node_for_script(base, base, script);
  			}
  			ScriptLanguage::LookupResult result;
  			if (script->get_language()->lookup_code(code_editor->get_text_edit()->get_text_for_lookup_completion(), word_at_pos, script->get_path(), base, result) == OK) {
  				open_docs = true;
  			}
  		}
  
  		if (has_color) {
  			String line = tx->get_line(row);
  			color_position.x = row;
  			color_position.y = col;
  
  			int begin = 0;
  			int end = 0;
  			bool valid = false;
  			for (int i = col; i < line.length(); i++) {
  				if (line[i] == '(') {
  					begin = i;
  					continue;
  				} else if (line[i] == ')') {
  					end = i + 1;
  					valid = true;
  					break;
  				}
  			}
  			if (valid) {
  				color_args = line.substr(begin, end - begin);
  				String stripped = color_args.replace(" ", "").replace("(", "").replace(")", "");
  				Vector<float> color = stripped.split_floats(",");
  				if (color.size() > 2) {
  					float alpha = color.size() > 3 ? color[3] : 1.0f;
  					color_picker->set_pick_color(Color(color[0], color[1], color[2], alpha));
  				}
  				color_panel->set_position(get_global_transform().xform(local_pos));
  			} else {
  				has_color = false;
  			}
  		}
  		_make_context_menu(tx->is_selection_active(), has_color, foldable, open_docs, goto_definition, local_pos);
  	}
  }
  
  void ScriptTextEditor::_color_changed(const Color &p_color) {
  	String new_args;
  	if (p_color.a == 1.0f) {
  		new_args = String("(" + rtos(p_color.r) + ", " + rtos(p_color.g) + ", " + rtos(p_color.b) + ")");
  	} else {
  		new_args = String("(" + rtos(p_color.r) + ", " + rtos(p_color.g) + ", " + rtos(p_color.b) + ", " + rtos(p_color.a) + ")");
  	}
  
  	String line = code_editor->get_text_edit()->get_line(color_position.x);
  	int color_args_pos = line.find(color_args, color_position.y);
  	String line_with_replaced_args = line;
  	line_with_replaced_args.erase(color_args_pos, color_args.length());
  	line_with_replaced_args = line_with_replaced_args.insert(color_args_pos, new_args);
  
  	color_args = new_args;
  	code_editor->get_text_edit()->begin_complex_operation();
  	code_editor->get_text_edit()->set_line(color_position.x, line_with_replaced_args);
  	code_editor->get_text_edit()->end_complex_operation();
  	code_editor->get_text_edit()->update();
  }
  
  void ScriptTextEditor::_make_context_menu(bool p_selection, bool p_color, bool p_foldable, bool p_open_docs, bool p_goto_definition, Vector2 p_pos) {
  	context_menu->clear();
  	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/undo"), EDIT_UNDO);
  	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/redo"), EDIT_REDO);
  
  	context_menu->add_separator();
  	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/cut"), EDIT_CUT);
  	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/copy"), EDIT_COPY);
  	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/paste"), EDIT_PASTE);
  
  	context_menu->add_separator();
  	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/select_all"), EDIT_SELECT_ALL);
  
  	context_menu->add_separator();
  	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_left"), EDIT_INDENT_LEFT);
  	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_right"), EDIT_INDENT_RIGHT);
  	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_comment"), EDIT_TOGGLE_COMMENT);
  	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
  
  	if (p_selection) {
  		context_menu->add_separator();
  		context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/convert_to_uppercase"), EDIT_TO_UPPERCASE);
  		context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/convert_to_lowercase"), EDIT_TO_LOWERCASE);
  		context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/evaluate_selection"), EDIT_EVALUATE);
  	}
  	if (p_foldable) {
  		context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_fold_line"), EDIT_TOGGLE_FOLD_LINE);
  	}
  
  	if (p_color || p_open_docs || p_goto_definition) {
  		context_menu->add_separator();
  		if (p_open_docs) {
  			context_menu->add_item(TTR("Lookup Symbol"), LOOKUP_SYMBOL);
  		}
  		if (p_color) {
  			context_menu->add_item(TTR("Pick Color"), EDIT_PICK_COLOR);
  		}
  	}
  
  	context_menu->set_position(get_global_transform().xform(p_pos));
  	context_menu->set_size(Vector2(1, 1));
  	context_menu->popup();
  }
  
  ScriptTextEditor::ScriptTextEditor() {
  	theme_loaded = false;
  	script_is_valid = false;
  
  	VSplitContainer *editor_box = memnew(VSplitContainer);
  	add_child(editor_box);
  	editor_box->set_anchors_and_margins_preset(Control::PRESET_WIDE);
  	editor_box->set_v_size_flags(SIZE_EXPAND_FILL);
  
  	code_editor = memnew(CodeTextEditor);
  	editor_box->add_child(code_editor);
  	code_editor->add_theme_constant_override("separation", 2);
  	code_editor->set_anchors_and_margins_preset(Control::PRESET_WIDE);
  	code_editor->connect("validate_script", callable_mp(this, &ScriptTextEditor::_validate_script));
  	code_editor->connect("load_theme_settings", callable_mp(this, &ScriptTextEditor::_load_theme_settings));
  	code_editor->set_code_complete_func(_code_complete_scripts, this);
  	code_editor->get_text_edit()->connect("breakpoint_toggled", callable_mp(this, &ScriptTextEditor::_breakpoint_toggled));
  	code_editor->get_text_edit()->connect("symbol_lookup", callable_mp(this, &ScriptTextEditor::_lookup_symbol));
  	code_editor->get_text_edit()->connect("symbol_validate", callable_mp(this, &ScriptTextEditor::_validate_symbol));
  	code_editor->get_text_edit()->connect("info_clicked", callable_mp(this, &ScriptTextEditor::_lookup_connections));
  	code_editor->set_v_size_flags(SIZE_EXPAND_FILL);
  	code_editor->show_toggle_scripts_button();
  
  	warnings_panel = memnew(RichTextLabel);
  	editor_box->add_child(warnings_panel);
  	warnings_panel->add_theme_font_override(
  			"normal_font", EditorNode::get_singleton()->get_gui_base()->get_theme_font("main", "EditorFonts"));
  	warnings_panel->set_custom_minimum_size(Size2(0, 100 * EDSCALE));
  	warnings_panel->set_h_size_flags(SIZE_EXPAND_FILL);
  	warnings_panel->set_meta_underline(true);
  	warnings_panel->set_selection_enabled(true);
  	warnings_panel->set_focus_mode(FOCUS_CLICK);
  	warnings_panel->hide();
  
  	code_editor->connect("show_warnings_panel", callable_mp(this, &ScriptTextEditor::_show_warnings_panel));
  	warnings_panel->connect("meta_clicked", callable_mp(this, &ScriptTextEditor::_warning_clicked));
  
  	update_settings();
  
  	code_editor->get_text_edit()->set_callhint_settings(
  			EditorSettings::get_singleton()->get("text_editor/completion/put_callhint_tooltip_below_current_line"),
  			EditorSettings::get_singleton()->get("text_editor/completion/callhint_tooltip_offset"));
  
  	code_editor->get_text_edit()->set_select_identifiers_on_hover(true);
  	code_editor->get_text_edit()->set_context_menu_enabled(false);
  	code_editor->get_text_edit()->connect("gui_input", callable_mp(this, &ScriptTextEditor::_text_edit_gui_input));
  
  	context_menu = memnew(PopupMenu);
  	add_child(context_menu);
  	context_menu->connect("id_pressed", callable_mp(this, &ScriptTextEditor::_edit_option));
  
  	color_panel = memnew(PopupPanel);
  	add_child(color_panel);
  	color_picker = memnew(ColorPicker);
  	color_picker->set_deferred_mode(true);
  	color_panel->add_child(color_picker);
  	color_picker->connect("color_changed", callable_mp(this, &ScriptTextEditor::_color_changed));
  
  	// get default color picker mode from editor settings
  	int default_color_mode = EDITOR_GET("interface/inspector/default_color_picker_mode");
  	if (default_color_mode == 1) {
  		color_picker->set_hsv_mode(true);
  	} else if (default_color_mode == 2) {
  		color_picker->set_raw_mode(true);
  	}
  
  	edit_hb = memnew(HBoxContainer);
  
  	edit_menu = memnew(MenuButton);
  	edit_menu->set_text(TTR("Edit"));
  	edit_menu->set_switch_on_hover(true);
  
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/undo"), EDIT_UNDO);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/redo"), EDIT_REDO);
  	edit_menu->get_popup()->add_separator();
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/cut"), EDIT_CUT);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/copy"), EDIT_COPY);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/paste"), EDIT_PASTE);
  	edit_menu->get_popup()->add_separator();
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/select_all"), EDIT_SELECT_ALL);
  	edit_menu->get_popup()->add_separator();
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/move_up"), EDIT_MOVE_LINE_UP);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/move_down"), EDIT_MOVE_LINE_DOWN);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_left"), EDIT_INDENT_LEFT);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_right"), EDIT_INDENT_RIGHT);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/delete_line"), EDIT_DELETE_LINE);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_comment"), EDIT_TOGGLE_COMMENT);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_fold_line"), EDIT_TOGGLE_FOLD_LINE);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/fold_all_lines"), EDIT_FOLD_ALL_LINES);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/unfold_all_lines"), EDIT_UNFOLD_ALL_LINES);
  	edit_menu->get_popup()->add_separator();
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/clone_down"), EDIT_CLONE_DOWN);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/complete_symbol"), EDIT_COMPLETE);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/evaluate_selection"), EDIT_EVALUATE);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/trim_trailing_whitespace"), EDIT_TRIM_TRAILING_WHITESAPCE);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/convert_indent_to_spaces"), EDIT_CONVERT_INDENT_TO_SPACES);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/convert_indent_to_tabs"), EDIT_CONVERT_INDENT_TO_TABS);
  	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/auto_indent"), EDIT_AUTO_INDENT);
  	edit_menu->get_popup()->connect("id_pressed", callable_mp(this, &ScriptTextEditor::_edit_option));
  	edit_menu->get_popup()->add_separator();
  
  	PopupMenu *convert_case = memnew(PopupMenu);
  	convert_case->set_name("convert_case");
  	edit_menu->get_popup()->add_child(convert_case);
  	edit_menu->get_popup()->add_submenu_item(TTR("Convert Case"), "convert_case");
  	convert_case->add_shortcut(ED_SHORTCUT("script_text_editor/convert_to_uppercase", TTR("Uppercase"), KEY_MASK_SHIFT | KEY_F4), EDIT_TO_UPPERCASE);
  	convert_case->add_shortcut(ED_SHORTCUT("script_text_editor/convert_to_lowercase", TTR("Lowercase"), KEY_MASK_SHIFT | KEY_F5), EDIT_TO_LOWERCASE);
  	convert_case->add_shortcut(ED_SHORTCUT("script_text_editor/capitalize", TTR("Capitalize"), KEY_MASK_SHIFT | KEY_F6), EDIT_CAPITALIZE);
  	convert_case->connect("id_pressed", callable_mp(this, &ScriptTextEditor::_edit_option));
  
  	highlighters[TTR("Standard")] = nullptr;
  	highlighter_menu = memnew(PopupMenu);
  	highlighter_menu->set_name("highlighter_menu");
  	edit_menu->get_popup()->add_child(highlighter_menu);
  	edit_menu->get_popup()->add_submenu_item(TTR("Syntax Highlighter"), "highlighter_menu");
  	highlighter_menu->add_radio_check_item(TTR("Standard"));
  	highlighter_menu->connect("id_pressed", callable_mp(this, &ScriptTextEditor::_change_syntax_highlighter));
  
  	search_menu = memnew(MenuButton);
  	edit_hb->add_child(search_menu);
  	search_menu->set_text(TTR("Search"));
  	search_menu->set_switch_on_hover(true);
  
  	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find"), SEARCH_FIND);
  	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find_next"), SEARCH_FIND_NEXT);
  	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find_previous"), SEARCH_FIND_PREV);
  	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/replace"), SEARCH_REPLACE);
  	search_menu->get_popup()->add_separator();
  	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find_in_files"), SEARCH_IN_FILES);
  	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/replace_in_files"), REPLACE_IN_FILES);
  	search_menu->get_popup()->add_separator();
  	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/contextual_help"), HELP_CONTEXTUAL);
  	search_menu->get_popup()->connect("id_pressed", callable_mp(this, &ScriptTextEditor::_edit_option));
  
  	edit_hb->add_child(edit_menu);
  
  	MenuButton *goto_menu = memnew(MenuButton);
  	edit_hb->add_child(goto_menu);
  	goto_menu->set_text(TTR("Go To"));
  	goto_menu->set_switch_on_hover(true);
  	goto_menu->get_popup()->connect("id_pressed", callable_mp(this, &ScriptTextEditor::_edit_option));
  
  	goto_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_function"), SEARCH_LOCATE_FUNCTION);
  	goto_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_line"), SEARCH_GOTO_LINE);
  	goto_menu->get_popup()->add_separator();
  
  	bookmarks_menu = memnew(PopupMenu);
  	bookmarks_menu->set_name("Bookmarks");
  	goto_menu->get_popup()->add_child(bookmarks_menu);
  	goto_menu->get_popup()->add_submenu_item(TTR("Bookmarks"), "Bookmarks");
  	_update_bookmark_list();
  	bookmarks_menu->connect("about_to_popup", callable_mp(this, &ScriptTextEditor::_update_bookmark_list));
  	bookmarks_menu->connect("index_pressed", callable_mp(this, &ScriptTextEditor::_bookmark_item_pressed));
  
  	breakpoints_menu = memnew(PopupMenu);
  	breakpoints_menu->set_name("Breakpoints");
  	goto_menu->get_popup()->add_child(breakpoints_menu);
  	goto_menu->get_popup()->add_submenu_item(TTR("Breakpoints"), "Breakpoints");
  	_update_breakpoint_list();
  	breakpoints_menu->connect("about_to_popup", callable_mp(this, &ScriptTextEditor::_update_breakpoint_list));
  	breakpoints_menu->connect("index_pressed", callable_mp(this, &ScriptTextEditor::_breakpoint_item_pressed));
  
  	quick_open = memnew(ScriptEditorQuickOpen);
  	add_child(quick_open);
  	quick_open->connect("goto_line", callable_mp(this, &ScriptTextEditor::_goto_line));
  
  	goto_line_dialog = memnew(GotoLineDialog);
  	add_child(goto_line_dialog);
  
  	connection_info_dialog = memnew(ConnectionInfoDialog);
  	add_child(connection_info_dialog);
  
  	code_editor->get_text_edit()->set_drag_forwarding(this);
  }
  
  ScriptTextEditor::~ScriptTextEditor() {
  	for (const Map<String, SyntaxHighlighter *>::Element *E = highlighters.front(); E; E = E->next()) {
  		if (E->get() != nullptr) {
  			memdelete(E->get());
  		}
  	}
  	highlighters.clear();
  }
  
  static ScriptEditorBase *create_editor(const RES &p_resource) {
  	if (Object::cast_to<Script>(*p_resource)) {
  		return memnew(ScriptTextEditor);
  	}
  	return nullptr;
  }
  
  void ScriptTextEditor::register_editor() {
  	ED_SHORTCUT("script_text_editor/undo", TTR("Undo"), KEY_MASK_CMD | KEY_Z);
  	ED_SHORTCUT("script_text_editor/redo", TTR("Redo"), KEY_MASK_CMD | KEY_Y);
  	ED_SHORTCUT("script_text_editor/cut", TTR("Cut"), KEY_MASK_CMD | KEY_X);
  	ED_SHORTCUT("script_text_editor/copy", TTR("Copy"), KEY_MASK_CMD | KEY_C);
  	ED_SHORTCUT("script_text_editor/paste", TTR("Paste"), KEY_MASK_CMD | KEY_V);
  	ED_SHORTCUT("script_text_editor/select_all", TTR("Select All"), KEY_MASK_CMD | KEY_A);
  	ED_SHORTCUT("script_text_editor/move_up", TTR("Move Up"), KEY_MASK_ALT | KEY_UP);
  	ED_SHORTCUT("script_text_editor/move_down", TTR("Move Down"), KEY_MASK_ALT | KEY_DOWN);
  	ED_SHORTCUT("script_text_editor/delete_line", TTR("Delete Line"), KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_K);
  
  	// Leave these at zero, same can be accomplished with tab/shift-tab, including selection.
  	// The next/previous in history shortcut in this case makes a lot more sense.
  
  	ED_SHORTCUT("script_text_editor/indent_left", TTR("Indent Left"), 0);
  	ED_SHORTCUT("script_text_editor/indent_right", TTR("Indent Right"), 0);
  	ED_SHORTCUT("script_text_editor/toggle_comment", TTR("Toggle Comment"), KEY_MASK_CMD | KEY_K);
  	ED_SHORTCUT("script_text_editor/toggle_fold_line", TTR("Fold/Unfold Line"), KEY_MASK_ALT | KEY_F);
  	ED_SHORTCUT("script_text_editor/fold_all_lines", TTR("Fold All Lines"), 0);
  	ED_SHORTCUT("script_text_editor/unfold_all_lines", TTR("Unfold All Lines"), 0);
  #ifdef OSX_ENABLED
  	ED_SHORTCUT("script_text_editor/clone_down", TTR("Clone Down"), KEY_MASK_SHIFT | KEY_MASK_CMD | KEY_C);
  	ED_SHORTCUT("script_text_editor/complete_symbol", TTR("Complete Symbol"), KEY_MASK_CTRL | KEY_SPACE);
  #else
  	ED_SHORTCUT("script_text_editor/clone_down", TTR("Clone Down"), KEY_MASK_CMD | KEY_D);
  	ED_SHORTCUT("script_text_editor/complete_symbol", TTR("Complete Symbol"), KEY_MASK_CMD | KEY_SPACE);
  #endif
  	ED_SHORTCUT("script_text_editor/evaluate_selection", TTR("Evaluate Selection"), KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_E);
  	ED_SHORTCUT("script_text_editor/trim_trailing_whitespace", TTR("Trim Trailing Whitespace"), KEY_MASK_CMD | KEY_MASK_ALT | KEY_T);
  	ED_SHORTCUT("script_text_editor/convert_indent_to_spaces", TTR("Convert Indent to Spaces"), KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_Y);
  	ED_SHORTCUT("script_text_editor/convert_indent_to_tabs", TTR("Convert Indent to Tabs"), KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_I);
  	ED_SHORTCUT("script_text_editor/auto_indent", TTR("Auto Indent"), KEY_MASK_CMD | KEY_I);
  
  	ED_SHORTCUT("script_text_editor/find", TTR("Find..."), KEY_MASK_CMD | KEY_F);
  #ifdef OSX_ENABLED
  	ED_SHORTCUT("script_text_editor/find_next", TTR("Find Next"), KEY_MASK_CMD | KEY_G);
  	ED_SHORTCUT("script_text_editor/find_previous", TTR("Find Previous"), KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_G);
  	ED_SHORTCUT("script_text_editor/replace", TTR("Replace..."), KEY_MASK_ALT | KEY_MASK_CMD | KEY_F);
  #else
  	ED_SHORTCUT("script_text_editor/find_next", TTR("Find Next"), KEY_F3);
  	ED_SHORTCUT("script_text_editor/find_previous", TTR("Find Previous"), KEY_MASK_SHIFT | KEY_F3);
  	ED_SHORTCUT("script_text_editor/replace", TTR("Replace..."), KEY_MASK_CMD | KEY_R);
  #endif
  
  	ED_SHORTCUT("script_text_editor/find_in_files", TTR("Find in Files..."), KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_F);
  	ED_SHORTCUT("script_text_editor/replace_in_files", TTR("Replace in Files..."), KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_R);
  
  #ifdef OSX_ENABLED
  	ED_SHORTCUT("script_text_editor/contextual_help", TTR("Contextual Help"), KEY_MASK_ALT | KEY_MASK_SHIFT | KEY_SPACE);
  #else
  	ED_SHORTCUT("script_text_editor/contextual_help", TTR("Contextual Help"), KEY_MASK_ALT | KEY_F1);
  #endif
  
  	ED_SHORTCUT("script_text_editor/toggle_bookmark", TTR("Toggle Bookmark"), KEY_MASK_CMD | KEY_MASK_ALT | KEY_B);
  	ED_SHORTCUT("script_text_editor/goto_next_bookmark", TTR("Go to Next Bookmark"), KEY_MASK_CMD | KEY_B);
  	ED_SHORTCUT("script_text_editor/goto_previous_bookmark", TTR("Go to Previous Bookmark"), KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_B);
  	ED_SHORTCUT("script_text_editor/remove_all_bookmarks", TTR("Remove All Bookmarks"), 0);
  
  #ifdef OSX_ENABLED
  	ED_SHORTCUT("script_text_editor/goto_function", TTR("Go to Function..."), KEY_MASK_CTRL | KEY_MASK_CMD | KEY_J);
  #else
  	ED_SHORTCUT("script_text_editor/goto_function", TTR("Go to Function..."), KEY_MASK_ALT | KEY_MASK_CMD | KEY_F);
  #endif
  	ED_SHORTCUT("script_text_editor/goto_line", TTR("Go to Line..."), KEY_MASK_CMD | KEY_L);
  
  #ifdef OSX_ENABLED
  	ED_SHORTCUT("script_text_editor/toggle_breakpoint", TTR("Toggle Breakpoint"), KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_B);
  #else
  	ED_SHORTCUT("script_text_editor/toggle_breakpoint", TTR("Toggle Breakpoint"), KEY_F9);
  #endif
  	ED_SHORTCUT("script_text_editor/remove_all_breakpoints", TTR("Remove All Breakpoints"), KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_F9);
  	ED_SHORTCUT("script_text_editor/goto_next_breakpoint", TTR("Go to Next Breakpoint"), KEY_MASK_CMD | KEY_PERIOD);
  	ED_SHORTCUT("script_text_editor/goto_previous_breakpoint", TTR("Go to Previous Breakpoint"), KEY_MASK_CMD | KEY_COMMA);
  
  	ScriptEditor::register_create_script_editor_function(create_editor);
  }
  
  void ScriptTextEditor::validate() {
  	this->code_editor->validate_script();
  }
  