Add bookmarks for easier code navigation

editor/code_editor.cpp

@@ -764,6 +764,7 @@ void CodeTextEditor::update_editor_settings() {
 	text_editor->set_highlight_current_line(EditorSettings::get_singleton()->get("text_editor/highlighting/highlight_current_line"));
 	text_editor->cursor_set_blink_enabled(EditorSettings::get_singleton()->get("text_editor/cursor/caret_blink"));
 	text_editor->cursor_set_blink_speed(EditorSettings::get_singleton()->get("text_editor/cursor/caret_blink_speed"));
+	text_editor->set_bookmark_gutter_enabled(EditorSettings::get_singleton()->get("text_editor/line_numbers/show_bookmark_gutter"));
 	text_editor->set_breakpoint_gutter_enabled(EditorSettings::get_singleton()->get("text_editor/line_numbers/show_breakpoint_gutter"));
 	text_editor->set_hiding_enabled(EditorSettings::get_singleton()->get("text_editor/line_numbers/code_folding"));
 	text_editor->set_draw_fold_gutter(EditorSettings::get_singleton()->get("text_editor/line_numbers/code_folding"));
@@ -1203,6 +1204,7 @@ Variant CodeTextEditor::get_edit_state() {
 
 	state["folded_lines"] = text_editor->get_folded_lines();
 	state["breakpoints"] = text_editor->get_breakpoints_array();
+	state["bookmarks"] = text_editor->get_bookmarks_array();
 
 	state["syntax_highlighter"] = TTR("Standard");
 	SyntaxHighlighter *syntax_highlighter = text_editor->_get_syntax_highlighting();
@@ -1240,6 +1242,13 @@ void CodeTextEditor::set_edit_state(const Variant &p_state) {
 		}
 	}
 
+	if (state.has("bookmarks")) {
+		Array bookmarks = state["bookmarks"];
+		for (int i = 0; i < bookmarks.size(); i++) {
+			text_editor->set_line_as_bookmark(bookmarks[i], true);
+		}
+	}
+
 	text_editor->grab_focus();
 }
 
@@ -1357,6 +1366,70 @@ void CodeTextEditor::set_warning_nb(int p_warning_nb) {
 		_set_show_warnings_panel(false);
 }
 
+void CodeTextEditor::toggle_bookmark() {
+
+	int line = text_editor->cursor_get_line();
+	text_editor->set_line_as_bookmark(line, !text_editor->is_line_set_as_bookmark(line));
+}
+
+void CodeTextEditor::goto_next_bookmark() {
+
+	List<int> bmarks;
+	text_editor->get_bookmarks(&bmarks);
+	if (bmarks.size() <= 0) {
+		return;
+	}
+
+	int line = text_editor->cursor_get_line();
+	if (line >= bmarks[bmarks.size() - 1]) {
+		text_editor->unfold_line(bmarks[0]);
+		text_editor->cursor_set_line(bmarks[0]);
+	} else {
+		for (List<int>::Element *E = bmarks.front(); E; E = E->next()) {
+			int bline = E->get();
+			if (bline > line) {
+				text_editor->unfold_line(bline);
+				text_editor->cursor_set_line(bline);
+				return;
+			}
+		}
+	}
+}
+
+void CodeTextEditor::goto_prev_bookmark() {
+
+	List<int> bmarks;
+	text_editor->get_bookmarks(&bmarks);
+	if (bmarks.size() <= 0) {
+		return;
+	}
+
+	int line = text_editor->cursor_get_line();
+	if (line <= bmarks[0]) {
+		text_editor->unfold_line(bmarks[bmarks.size() - 1]);
+		text_editor->cursor_set_line(bmarks[bmarks.size() - 1]);
+	} else {
+		for (List<int>::Element *E = bmarks.back(); E; E = E->prev()) {
+			int bline = E->get();
+			if (bline < line) {
+				text_editor->unfold_line(bline);
+				text_editor->cursor_set_line(bline);
+				return;
+			}
+		}
+	}
+}
+
+void CodeTextEditor::remove_all_bookmarks() {
+
+	List<int> bmarks;
+	text_editor->get_bookmarks(&bmarks);
+
+	for (List<int>::Element *E = bmarks.front(); E; E = E->next()) {
+		text_editor->set_line_as_bookmark(E->get(), false);
+	}
+}
+
 void CodeTextEditor::_bind_methods() {
 
 	ClassDB::bind_method("_text_editor_gui_input", &CodeTextEditor::_text_editor_gui_input);

editor/code_editor.h

@@ -234,6 +234,11 @@ public:
 	virtual void apply_code() {}
 	void goto_error();
 
+	void toggle_bookmark();
+	void goto_next_bookmark();
+	void goto_prev_bookmark();
+	void remove_all_bookmarks();
+
 	void set_code_complete_func(CodeTextEditorCodeCompleteFunc p_code_complete_func, void *p_ud);
 
 	CodeTextEditor();

editor/editor_settings.cpp

@@ -429,6 +429,7 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	// Line numbers
 	_initial_set("text_editor/line_numbers/show_line_numbers", true);
 	_initial_set("text_editor/line_numbers/line_numbers_zero_padded", false);
+	_initial_set("text_editor/line_numbers/show_bookmark_gutter", true);
 	_initial_set("text_editor/line_numbers/show_breakpoint_gutter", true);
 	_initial_set("text_editor/line_numbers/show_info_gutter", true);
 	_initial_set("text_editor/line_numbers/code_folding", true);
@@ -647,6 +648,7 @@ void EditorSettings::_load_default_text_editor_theme() {
 	_initial_set("text_editor/highlighting/function_color", Color::html("66a2ce"));
 	_initial_set("text_editor/highlighting/member_variable_color", Color::html("e64e59"));
 	_initial_set("text_editor/highlighting/mark_color", Color(1.0, 0.4, 0.4, 0.4));
+	_initial_set("text_editor/highlighting/bookmark_color", Color(0.08, 0.49, 0.98));
 	_initial_set("text_editor/highlighting/breakpoint_color", Color(0.8, 0.8, 0.4, 0.2));
 	_initial_set("text_editor/highlighting/executing_line_color", Color(0.2, 0.8, 0.2, 0.4));
 	_initial_set("text_editor/highlighting/code_folding_color", Color(0.8, 0.8, 0.8, 0.8));

editor/editor_themes.cpp

@@ -1115,6 +1115,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	const Color function_color = main_color;
 	const Color member_variable_color = main_color.linear_interpolate(mono_color, 0.6);
 	const Color mark_color = Color(error_color.r, error_color.g, error_color.b, 0.3);
+	const Color bookmark_color = Color(0.08, 0.49, 0.98);
 	const Color breakpoint_color = error_color;
 	const Color executing_line_color = Color(0.2, 0.8, 0.2, 0.4);
 	const Color code_folding_color = alpha3;
@@ -1151,6 +1152,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 		setting->set_initial_value("text_editor/highlighting/function_color", function_color, true);
 		setting->set_initial_value("text_editor/highlighting/member_variable_color", member_variable_color, true);
 		setting->set_initial_value("text_editor/highlighting/mark_color", mark_color, true);
+		setting->set_initial_value("text_editor/highlighting/bookmark_color", bookmark_color, true);
 		setting->set_initial_value("text_editor/highlighting/breakpoint_color", breakpoint_color, true);
 		setting->set_initial_value("text_editor/highlighting/executing_line_color", executing_line_color, true);
 		setting->set_initial_value("text_editor/highlighting/code_folding_color", code_folding_color, true);

editor/plugins/script_text_editor.cpp

@@ -213,6 +213,7 @@ void ScriptTextEditor::_load_theme_settings() {
 	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");
@@ -245,6 +246,7 @@ void ScriptTextEditor::_load_theme_settings() {
 	text_edit->add_color_override("number_color", number_color);
 	text_edit->add_color_override("function_color", function_color);
 	text_edit->add_color_override("member_variable_color", member_variable_color);
+	text_edit->add_color_override("bookmark_color", bookmark_color);
 	text_edit->add_color_override("breakpoint_color", breakpoint_color);
 	text_edit->add_color_override("executing_line_color", executing_line_color);
 	text_edit->add_color_override("mark_color", mark_color);
@@ -1066,6 +1068,22 @@ void ScriptTextEditor::_edit_option(int p_op) {
 
 			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();
@@ -1499,6 +1517,7 @@ void ScriptTextEditor::_make_context_menu(bool p_selection, bool p_color, bool p
 	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();
@@ -1651,6 +1670,16 @@ ScriptTextEditor::ScriptTextEditor() {
 
 	search_menu->get_popup()->connect("id_pressed", this, "_edit_option");
 
+	PopupMenu *bookmarks = memnew(PopupMenu);
+	bookmarks->set_name("bookmarks");
+	edit_menu->get_popup()->add_child(bookmarks);
+	edit_menu->get_popup()->add_submenu_item(TTR("Bookmarks"), "bookmarks");
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/remove_all_bookmarks"), BOOKMARK_REMOVE_ALL);
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_next_bookmark"), BOOKMARK_GOTO_NEXT);
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_previous_bookmark"), BOOKMARK_GOTO_PREV);
+	bookmarks->connect("id_pressed", this, "_edit_option");
+
 	edit_hb->add_child(edit_menu);
 
 	quick_open = memnew(ScriptEditorQuickOpen);
@@ -1692,6 +1721,10 @@ void ScriptTextEditor::register_editor() {
 	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_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);
 	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);
@@ -1699,7 +1732,7 @@ void ScriptTextEditor::register_editor() {
 	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_B);
+	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/trim_trailing_whitespace", TTR("Trim Trailing Whitespace"), KEY_MASK_CMD | KEY_MASK_ALT | KEY_T);

editor/plugins/script_text_editor.h

@@ -128,6 +128,10 @@ class ScriptTextEditor : public ScriptEditorBase {
 		SEARCH_LOCATE_FUNCTION,
 		SEARCH_GOTO_LINE,
 		SEARCH_IN_FILES,
+		BOOKMARK_TOGGLE,
+		BOOKMARK_GOTO_NEXT,
+		BOOKMARK_GOTO_PREV,
+		BOOKMARK_REMOVE_ALL,
 		DEBUG_TOGGLE_BREAKPOINT,
 		DEBUG_REMOVE_ALL_BREAKPOINTS,
 		DEBUG_GOTO_NEXT_BREAKPOINT,

editor/plugins/shader_editor_plugin.cpp

@@ -84,6 +84,7 @@ void ShaderTextEditor::_load_theme_settings() {
 	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");
@@ -113,6 +114,7 @@ void ShaderTextEditor::_load_theme_settings() {
 	get_text_edit()->add_color_override("function_color", function_color);
 	get_text_edit()->add_color_override("member_variable_color", member_variable_color);
 	get_text_edit()->add_color_override("mark_color", mark_color);
+	get_text_edit()->add_color_override("bookmark_color", bookmark_color);
 	get_text_edit()->add_color_override("breakpoint_color", breakpoint_color);
 	get_text_edit()->add_color_override("executing_line_color", executing_line_color);
 	get_text_edit()->add_color_override("code_folding_color", code_folding_color);
@@ -304,6 +306,22 @@ void ShaderEditor::_menu_option(int p_option) {
 
 			goto_line_dialog->popup_find_line(shader_editor->get_text_edit());
 		} break;
+		case BOOKMARK_TOGGLE: {
+
+			shader_editor->toggle_bookmark();
+		} break;
+		case BOOKMARK_GOTO_NEXT: {
+
+			shader_editor->goto_next_bookmark();
+		} break;
+		case BOOKMARK_GOTO_PREV: {
+
+			shader_editor->goto_prev_bookmark();
+		} break;
+		case BOOKMARK_REMOVE_ALL: {
+
+			shader_editor->remove_all_bookmarks();
+		} break;
 	}
 	if (p_option != SEARCH_FIND && p_option != SEARCH_REPLACE && p_option != SEARCH_GOTO_LINE) {
 		shader_editor->get_text_edit()->call_deferred("grab_focus");
@@ -535,6 +553,16 @@ ShaderEditor::ShaderEditor(EditorNode *p_node) {
 	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_line"), SEARCH_GOTO_LINE);
 	search_menu->get_popup()->connect("id_pressed", this, "_menu_option");
 
+	PopupMenu *bookmarks = memnew(PopupMenu);
+	bookmarks->set_name("bookmarks");
+	edit_menu->get_popup()->add_child(bookmarks);
+	edit_menu->get_popup()->add_submenu_item(TTR("Bookmarks"), "bookmarks");
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/remove_all_bookmarks"), BOOKMARK_REMOVE_ALL);
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_next_bookmark"), BOOKMARK_GOTO_NEXT);
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_previous_bookmark"), BOOKMARK_GOTO_PREV);
+	bookmarks->connect("id_pressed", this, "_edit_option");
+
 	add_child(main_container);
 	main_container->add_child(hbc);
 	hbc->add_child(search_menu);

editor/plugins/shader_editor_plugin.h

@@ -88,6 +88,10 @@ class ShaderEditor : public PanelContainer {
 		SEARCH_FIND_PREV,
 		SEARCH_REPLACE,
 		SEARCH_GOTO_LINE,
+		BOOKMARK_TOGGLE,
+		BOOKMARK_GOTO_NEXT,
+		BOOKMARK_GOTO_PREV,
+		BOOKMARK_REMOVE_ALL,
 
 	};
 

editor/plugins/text_editor.cpp

@@ -93,6 +93,7 @@ void TextEditor::_load_theme_settings() {
 	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");
@@ -127,6 +128,7 @@ void TextEditor::_load_theme_settings() {
 	text_edit->add_color_override("breakpoint_color", breakpoint_color);
 	text_edit->add_color_override("executing_line_color", executing_line_color);
 	text_edit->add_color_override("mark_color", mark_color);
+	text_edit->add_color_override("bookmark_color", bookmark_color);
 	text_edit->add_color_override("code_folding_color", code_folding_color);
 	text_edit->add_color_override("search_result_color", search_result_color);
 	text_edit->add_color_override("search_result_border_color", search_result_border_color);
@@ -438,6 +440,22 @@ void TextEditor::_edit_option(int p_op) {
 
 			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;
 	}
 }
 
@@ -620,5 +638,15 @@ TextEditor::TextEditor() {
 	highlighter_menu->add_radio_check_item(TTR("Standard"));
 	highlighter_menu->connect("id_pressed", this, "_change_syntax_highlighter");
 
+	PopupMenu *bookmarks = memnew(PopupMenu);
+	bookmarks->set_name("bookmarks");
+	edit_menu->get_popup()->add_child(bookmarks);
+	edit_menu->get_popup()->add_submenu_item(TTR("Bookmarks"), "bookmarks");
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/remove_all_bookmarks"), BOOKMARK_REMOVE_ALL);
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_next_bookmark"), BOOKMARK_GOTO_NEXT);
+	bookmarks->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_previous_bookmark"), BOOKMARK_GOTO_PREV);
+	bookmarks->connect("id_pressed", this, "_edit_option");
+
 	code_editor->get_text_edit()->set_drag_forwarding(this);
 }

editor/plugins/text_editor.h

@@ -87,6 +87,10 @@ private:
 		SEARCH_FIND_PREV,
 		SEARCH_REPLACE,
 		SEARCH_GOTO_LINE,
+		BOOKMARK_TOGGLE,
+		BOOKMARK_GOTO_NEXT,
+		BOOKMARK_GOTO_PREV,
+		BOOKMARK_REMOVE_ALL,
 	};
 
 protected:

scene/gui/text_edit.cpp

@@ -292,6 +292,7 @@ void TextEdit::Text::insert(int p_at, const String &p_text) {
 	line.marked = false;
 	line.safe = false;
 	line.breakpoint = false;
+	line.bookmark = false;
 	line.hidden = false;
 	line.width_cache = -1;
 	line.wrap_amount_cache = -1;
@@ -346,7 +347,7 @@ void TextEdit::_update_scrollbars() {
 	if (line_numbers)
 		total_width += cache.line_number_w;
 
-	if (draw_breakpoint_gutter) {
+	if (draw_breakpoint_gutter || draw_bookmark_gutter) {
 		total_width += cache.breakpoint_gutter_width;
 	}
 
@@ -605,7 +606,7 @@ void TextEdit::_notification(int p_what) {
 				draw_caret = false;
 			}
 
-			if (draw_breakpoint_gutter) {
+			if (draw_breakpoint_gutter || draw_bookmark_gutter) {
 				breakpoint_gutter_width = (get_row_height() * 55) / 100;
 				cache.breakpoint_gutter_width = breakpoint_gutter_width;
 			} else {
@@ -954,6 +955,16 @@ void TextEdit::_notification(int p_what) {
 #endif
 						}
 
+						// draw bookmark marker
+						if (text.is_bookmark(line)) {
+							if (draw_bookmark_gutter) {
+								int vertical_gap = (get_row_height() * 40) / 100;
+								int horizontal_gap = (cache.breakpoint_gutter_width * 30) / 100;
+								int marker_radius = get_row_height() - (vertical_gap * 2);
+								VisualServer::get_singleton()->canvas_item_add_circle(ci, Point2(cache.style_normal->get_margin(MARGIN_LEFT) + horizontal_gap - 2 + marker_radius / 2, ofs_y + vertical_gap + marker_radius / 2), marker_radius, Color(cache.bookmark_color.r, cache.bookmark_color.g, cache.bookmark_color.b));
+							}
+						}
+
 						// draw breakpoint marker
 						if (text.is_breakpoint(line)) {
 							if (draw_breakpoint_gutter) {
@@ -4503,6 +4514,7 @@ void TextEdit::_update_caches() {
 	cache.mark_color = get_color("mark_color");
 	cache.current_line_color = get_color("current_line_color");
 	cache.line_length_guideline_color = get_color("line_length_guideline_color");
+	cache.bookmark_color = get_color("bookmark_color");
 	cache.breakpoint_color = get_color("breakpoint_color");
 	cache.executing_line_color = get_color("executing_line_color");
 	cache.code_folding_color = get_color("code_folding_color");
@@ -5099,6 +5111,37 @@ void TextEdit::clear_executing_line() {
 	update();
 }
 
+bool TextEdit::is_line_set_as_bookmark(int p_line) const {
+
+	ERR_FAIL_INDEX_V(p_line, text.size(), false);
+	return text.is_bookmark(p_line);
+}
+
+void TextEdit::set_line_as_bookmark(int p_line, bool p_bookmark) {
+
+	ERR_FAIL_INDEX(p_line, text.size());
+	text.set_bookmark(p_line, p_bookmark);
+	update();
+}
+
+void TextEdit::get_bookmarks(List<int> *p_bookmarks) const {
+
+	for (int i = 0; i < text.size(); i++) {
+		if (text.is_bookmark(i))
+			p_bookmarks->push_back(i);
+	}
+}
+
+Array TextEdit::get_bookmarks_array() const {
+
+	Array arr;
+	for (int i = 0; i < text.size(); i++) {
+		if (text.is_bookmark(i))
+			arr.append(i);
+	}
+	return arr;
+}
+
 bool TextEdit::is_line_set_as_breakpoint(int p_line) const {
 
 	ERR_FAIL_INDEX_V(p_line, text.size(), false);
@@ -6176,6 +6219,15 @@ void TextEdit::set_line_length_guideline_column(int p_column) {
 	update();
 }
 
+void TextEdit::set_bookmark_gutter_enabled(bool p_draw) {
+	draw_bookmark_gutter = p_draw;
+	update();
+}
+
+bool TextEdit::is_bookmark_gutter_enabled() const {
+	return draw_bookmark_gutter;
+}
+
 void TextEdit::set_breakpoint_gutter_enabled(bool p_draw) {
 	draw_breakpoint_gutter = p_draw;
 	update();
@@ -6568,6 +6620,7 @@ TextEdit::TextEdit() {
 	line_numbers_zero_padded = false;
 	line_length_guideline = false;
 	line_length_guideline_col = 80;
+	draw_bookmark_gutter = false;
 	draw_breakpoint_gutter = false;
 	draw_fold_gutter = false;
 	draw_info_gutter = false;

scene/gui/text_edit.h

@@ -75,6 +75,7 @@ public:
 			int width_cache : 24;
 			bool marked : 1;
 			bool breakpoint : 1;
+			bool bookmark : 1;
 			bool hidden : 1;
 			bool safe : 1;
 			int wrap_amount_cache : 24;
@@ -105,6 +106,8 @@ public:
 		void set(int p_line, const String &p_text);
 		void set_marked(int p_line, bool p_marked) { text.write[p_line].marked = p_marked; }
 		bool is_marked(int p_line) const { return text[p_line].marked; }
+		void set_bookmark(int p_line, bool p_bookmark) { text.write[p_line].bookmark = p_bookmark; }
+		bool is_bookmark(int p_line) const { return text[p_line].bookmark; }
 		void set_breakpoint(int p_line, bool p_breakpoint) { text.write[p_line].breakpoint = p_breakpoint; }
 		bool is_breakpoint(int p_line) const { return text[p_line].breakpoint; }
 		void set_hidden(int p_line, bool p_hidden) { text.write[p_line].hidden = p_hidden; }
@@ -187,6 +190,7 @@ private:
 		Color member_variable_color;
 		Color selection_color;
 		Color mark_color;
+		Color bookmark_color;
 		Color breakpoint_color;
 		Color executing_line_color;
 		Color code_folding_color;
@@ -298,6 +302,7 @@ private:
 	bool line_numbers_zero_padded;
 	bool line_length_guideline;
 	int line_length_guideline_col;
+	bool draw_bookmark_gutter;
 	bool draw_breakpoint_gutter;
 	int breakpoint_gutter_width;
 	bool draw_fold_gutter;
@@ -488,6 +493,10 @@ public:
 	void insert_at(const String &p_text, int at);
 	int get_line_count() const;
 	void set_line_as_marked(int p_line, bool p_marked);
+	void set_line_as_bookmark(int p_line, bool p_bookmark);
+	bool is_line_set_as_bookmark(int p_line) const;
+	void get_bookmarks(List<int> *p_bookmarks) const;
+	Array get_bookmarks_array() const;
 	void set_line_as_breakpoint(int p_line, bool p_breakpoint);
 	bool is_line_set_as_breakpoint(int p_line) const;
 	void set_executing_line(int p_line);
@@ -660,6 +669,9 @@ public:
 	void set_show_line_length_guideline(bool p_show);
 	void set_line_length_guideline_column(int p_column);
 
+	void set_bookmark_gutter_enabled(bool p_draw);
+	bool is_bookmark_gutter_enabled() const;
+
 	void set_breakpoint_gutter_enabled(bool p_draw);
 	bool is_breakpoint_gutter_enabled() const;
 

scene/resources/default_theme/default_theme.cpp

@@ -438,6 +438,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	theme->set_color("font_color_selected", "TextEdit", Color(0, 0, 0));
 	theme->set_color("selection_color", "TextEdit", font_color_selection);
 	theme->set_color("mark_color", "TextEdit", Color(1.0, 0.4, 0.4, 0.4));
+	theme->set_color("bookmark_color", "TextEdit", Color(0.08, 0.49, 0.98));
 	theme->set_color("breakpoint_color", "TextEdit", Color(0.8, 0.8, 0.4, 0.2));
 	theme->set_color("executing_line_color", "TextEdit", Color(0.2, 0.8, 0.2, 0.4));
 	theme->set_color("code_folding_color", "TextEdit", Color(0.8, 0.8, 0.8, 0.8));