Desktop: Accessibility: Allow toggling between tab navigation and indentation (#11717)

.eslintignore

@@ -170,6 +170,7 @@ packages/app-desktop/commands/switchProfile2.js
 packages/app-desktop/commands/switchProfile3.js
 packages/app-desktop/commands/toggleExternalEditing.js
 packages/app-desktop/commands/toggleSafeMode.js
+packages/app-desktop/commands/toggleTabMovesFocus.js
 packages/app-desktop/gui/Button/Button.js
 packages/app-desktop/gui/ClipperConfigScreen.js
 packages/app-desktop/gui/ConfigScreen/ButtonBar.js
@@ -263,6 +264,7 @@ packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/utils/useTabIndenter.js
 packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/utils/useWebViewApi.js
 packages/app-desktop/gui/NoteEditor/NoteEditor.js
 packages/app-desktop/gui/NoteEditor/NoteTitle/NoteTitleBar.js
+packages/app-desktop/gui/NoteEditor/StatusBar.js
 packages/app-desktop/gui/NoteEditor/WarningBanner/BannerContent.js
 packages/app-desktop/gui/NoteEditor/WarningBanner/WarningBanner.js
 packages/app-desktop/gui/NoteEditor/commands/focusElementNoteBody.js
@@ -502,6 +504,7 @@ packages/app-desktop/integration-tests/goToAnything.spec.js
 packages/app-desktop/integration-tests/main.spec.js
 packages/app-desktop/integration-tests/markdownEditor.spec.js
 packages/app-desktop/integration-tests/models/ChangeAppLayoutScreen.js
+packages/app-desktop/integration-tests/models/EditorCodeDialog.js
 packages/app-desktop/integration-tests/models/GoToAnything.js
 packages/app-desktop/integration-tests/models/MainScreen.js
 packages/app-desktop/integration-tests/models/NoteEditorScreen.js

.gitignore

@@ -145,6 +145,7 @@ packages/app-desktop/commands/switchProfile2.js
 packages/app-desktop/commands/switchProfile3.js
 packages/app-desktop/commands/toggleExternalEditing.js
 packages/app-desktop/commands/toggleSafeMode.js
+packages/app-desktop/commands/toggleTabMovesFocus.js
 packages/app-desktop/gui/Button/Button.js
 packages/app-desktop/gui/ClipperConfigScreen.js
 packages/app-desktop/gui/ConfigScreen/ButtonBar.js
@@ -238,6 +239,7 @@ packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/utils/useTabIndenter.js
 packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/utils/useWebViewApi.js
 packages/app-desktop/gui/NoteEditor/NoteEditor.js
 packages/app-desktop/gui/NoteEditor/NoteTitle/NoteTitleBar.js
+packages/app-desktop/gui/NoteEditor/StatusBar.js
 packages/app-desktop/gui/NoteEditor/WarningBanner/BannerContent.js
 packages/app-desktop/gui/NoteEditor/WarningBanner/WarningBanner.js
 packages/app-desktop/gui/NoteEditor/commands/focusElementNoteBody.js
@@ -477,6 +479,7 @@ packages/app-desktop/integration-tests/goToAnything.spec.js
 packages/app-desktop/integration-tests/main.spec.js
 packages/app-desktop/integration-tests/markdownEditor.spec.js
 packages/app-desktop/integration-tests/models/ChangeAppLayoutScreen.js
+packages/app-desktop/integration-tests/models/EditorCodeDialog.js
 packages/app-desktop/integration-tests/models/GoToAnything.js
 packages/app-desktop/integration-tests/models/MainScreen.js
 packages/app-desktop/integration-tests/models/NoteEditorScreen.js

packages/app-desktop/commands/index.ts

@@ -18,6 +18,7 @@ import * as switchProfile2 from './switchProfile2';
 import * as switchProfile3 from './switchProfile3';
 import * as toggleExternalEditing from './toggleExternalEditing';
 import * as toggleSafeMode from './toggleSafeMode';
+import * as toggleTabMovesFocus from './toggleTabMovesFocus';
 
 const index: any[] = [
 	copyDevCommand,
@@ -39,6 +40,7 @@ const index: any[] = [
 	switchProfile3,
 	toggleExternalEditing,
 	toggleSafeMode,
+	toggleTabMovesFocus,
 ];
 
 export default index;

packages/app-desktop/commands/toggleTabMovesFocus.ts

@@ -0,0 +1,20 @@
+import { CommandRuntime, CommandDeclaration } from '@joplin/lib/services/CommandService';
+import { _ } from '@joplin/lib/locale';
+import { DesktopCommandContext } from '../services/commands/types';
+import Setting from '@joplin/lib/models/Setting';
+
+export const declaration: CommandDeclaration = {
+	name: 'toggleTabMovesFocus',
+	label: () => _('Toggle editor tab key navigation'),
+	iconName: 'fas fa-keyboard',
+};
+
+export const runtime = (): CommandRuntime => {
+	return {
+		execute: async (_context: DesktopCommandContext, enabled: boolean = null) => {
+			const newValue = enabled ?? !Setting.value('editor.tabMovesFocus');
+			Setting.setValue('editor.tabMovesFocus', newValue);
+		},
+		enabledCondition: 'oneNoteSelected',
+	};
+};

packages/app-desktop/gui/MenuBar.tsx

@@ -165,6 +165,7 @@ interface Props {
 	showNoteCounts: boolean;
 	uncompletedTodosOnTop: boolean;
 	showCompletedTodos: boolean;
+	tabMovesFocus: boolean;
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
 	pluginMenuItems: any[];
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
@@ -256,6 +257,7 @@ function useMenuStates(menu: any, props: Props) {
 			menuItemSetChecked('showNoteCounts', props.showNoteCounts);
 			menuItemSetChecked('uncompletedTodosOnTop', props.uncompletedTodosOnTop);
 			menuItemSetChecked('showCompletedTodos', props.showCompletedTodos);
+			menuItemSetChecked('toggleTabMovesFocus', props.tabMovesFocus);
 		}
 
 		timeoutId = setTimeout(scheduleUpdate, 150);
@@ -276,6 +278,7 @@ function useMenuStates(menu: any, props: Props) {
 		props['notes.sortOrder.reverse'],
 		// eslint-disable-next-line @seiyab/react-hooks/exhaustive-deps -- Old code before rule was applied
 		props['folders.sortOrder.reverse'],
+		props.tabMovesFocus,
 		props.noteListRendererId,
 		props.showNoteCounts,
 		props.uncompletedTodosOnTop,
@@ -824,6 +827,12 @@ function useMenu(props: Props) {
 							},
 						},
 						separator(),
+						{
+							...menuItemDic['toggleTabMovesFocus'],
+							label: Setting.settingMetadata('editor.tabMovesFocus').label(),
+							type: 'checkbox',
+						},
+						separator(),
 						{
 							label: _('Actual Size'),
 							click: () => {
@@ -1145,6 +1154,7 @@ const mapStateToProps = (state: AppState): Partial<Props> => {
 		['folders.sortOrder.field']: state.settings['folders.sortOrder.field'],
 		['notes.sortOrder.reverse']: state.settings['notes.sortOrder.reverse'],
 		['folders.sortOrder.reverse']: state.settings['folders.sortOrder.reverse'],
+		tabMovesFocus: state.settings['editor.tabMovesFocus'],
 		pluginSettings: state.settings['plugins.states'],
 		showNoteCounts: state.settings.showNoteCounts,
 		uncompletedTodosOnTop: state.settings.uncompletedTodosOnTop,

packages/app-desktop/gui/NoteEditor/NoteBody/CodeMirror/v6/CodeMirror.tsx

@@ -372,10 +372,12 @@ const CodeMirror = (props: NoteBodyEditorProps, ref: ForwardedRef<NoteBodyEditor
 			spellcheckEnabled: Setting.value('editor.spellcheckBeta'),
 			keymap: keyboardMode,
 			indentWithTabs: true,
+			tabMovesFocus: props.tabMovesFocus,
 			editorLabel: _('Markdown editor'),
 		};
 	}, [
 		props.contentMarkupLanguage, props.disabled, props.keyboardMode, styles.globalTheme,
+		props.tabMovesFocus,
 	]);
 
 	// Update the editor's value

packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/TinyMCE.tsx

@@ -132,7 +132,7 @@ const TinyMCE = (props: NoteBodyEditorProps, ref: any) => {
 
 	usePluginServiceRegistration(ref);
 	useContextMenu(editor, props.plugins, props.dispatch, props.htmlToMarkdown, props.markupToHtml);
-	useTabIndenter(editor);
+	useTabIndenter(editor, !props.tabMovesFocus);
 	useKeyboardRefocusHandler(editor);
 
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied

packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/utils/openEditDialog.ts

@@ -1,6 +1,8 @@
 import { _ } from '@joplin/lib/locale';
 import { MarkupToHtml } from '@joplin/renderer';
 import { TinyMceEditorEvents } from './types';
+import { Editor } from 'tinymce';
+import Setting from '@joplin/lib/models/Setting';
 import { focus } from '@joplin/lib/utils/focusHandler';
 const taboverride = require('taboverride');
 
@@ -13,27 +15,71 @@ interface SourceInfo {
 	language: string;
 }
 
-// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
-function dialogTextArea_keyDown(event: any) {
-	if (event.key === 'Tab') {
-		window.requestAnimationFrame(() => focus('openEditDialog::dialogTextArea_keyDown', event.target));
-	}
+const createTextAreaKeyListeners = () => {
+	let hasListeners = true;
+
+	// Selectively enable/disable taboverride based on settings -- remove taboverride
+	// when pressing tab if tab is expected to move focus.
+	const onKeyDown = (event: KeyboardEvent) => {
+		if (event.key === 'Tab') {
+			if (Setting.value('editor.tabMovesFocus')) {
+				taboverride.utils.removeListeners(event.currentTarget);
+				hasListeners = false;
+			} else {
+				// Prevent the default focus-changing behavior
+				event.preventDefault();
+				requestAnimationFrame(() => {
+					focus('openEditDialog::dialogTextArea_keyDown', event.target);
+				});
+			}
+		}
+	};
+
+	const onKeyUp = (event: KeyboardEvent) => {
+		if (event.key === 'Tab' && !hasListeners) {
+			taboverride.utils.addListeners(event.currentTarget);
+			hasListeners = true;
+		}
+	};
+
+	return { onKeyDown, onKeyUp };
+};
+
+interface TextAreaTabHandler {
+	remove(): void;
 }
 
 // Allows pressing tab in a textarea to input an actual tab (instead of changing focus)
 // taboverride will take care of actually inserting the tab character, while the keydown
 // event listener will override the default behaviour, which is to focus the next field.
-function enableTextAreaTab(enable: boolean) {
-	const textAreas = document.getElementsByClassName('tox-textarea');
-	for (const textArea of textAreas) {
-		taboverride.set(textArea, enable);
+function enableTextAreaTab(document: Document): TextAreaTabHandler {
+	type RemoveCallback = ()=> void;
+	const removeCallbacks: RemoveCallback[] = [];
 
-		if (enable) {
-			textArea.addEventListener('keydown', dialogTextArea_keyDown);
-		} else {
-			textArea.removeEventListener('keydown', dialogTextArea_keyDown);
-		}
+	const textAreas = document.querySelectorAll<HTMLTextAreaElement>('.tox-textarea');
+	for (const textArea of textAreas) {
+		const { onKeyDown, onKeyUp } = createTextAreaKeyListeners();
+		textArea.addEventListener('keydown', onKeyDown);
+		textArea.addEventListener('keyup', onKeyUp);
+
+		// Enable/disable taboverride **after** the listeners above.
+		// The custom keyup/keydown need to have higher precedence.
+		taboverride.set(textArea, true);
+
+		removeCallbacks.push(() => {
+			taboverride.set(textArea, false);
+			textArea.removeEventListener('keyup', onKeyUp);
+			textArea.removeEventListener('keydown', onKeyDown);
+		});
 	}
+
+	return {
+		remove: () => {
+			for (const callback of removeCallbacks) {
+				callback();
+			}
+		},
+	};
 }
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
@@ -82,9 +128,12 @@ function editableInnerHtml(html: string): string {
 }
 
 // eslint-disable-next-line @typescript-eslint/ban-types, @typescript-eslint/no-explicit-any -- Old code before rule was applied, Old code before rule was applied
-export default function openEditDialog(editor: any, markupToHtml: any, dispatchDidUpdate: Function, editable: any) {
+export default function openEditDialog(editor: Editor, markupToHtml: any, dispatchDidUpdate: Function, editable: any) {
 	const source = editable ? findBlockSource(editable) : newBlockSource();
 
+	const containerDocument = editor.getContainer().ownerDocument;
+	let tabHandler: TextAreaTabHandler|null = null;
+
 	editor.windowManager.open({
 		title: _('Edit'),
 		size: 'large',
@@ -113,7 +162,7 @@ export default function openEditDialog(editor: any, markupToHtml: any, dispatchD
 			dispatchDidUpdate(editor);
 		},
 		onClose: () => {
-			enableTextAreaTab(false);
+			tabHandler?.remove();
 		},
 		body: {
 			type: 'panel',
@@ -124,12 +173,11 @@ export default function openEditDialog(editor: any, markupToHtml: any, dispatchD
 					label: 'Language',
 					// Katex is a special case with special opening/closing tags
 					// and we don't currently handle switching the language in this case.
-					disabled: source.language === 'katex',
+					enabled: source.language !== 'katex',
 				},
 				{
 					type: 'textarea',
 					name: 'codeTextArea',
-					value: source.content,
 				},
 			],
 		},
@@ -142,6 +190,6 @@ export default function openEditDialog(editor: any, markupToHtml: any, dispatchD
 	});
 
 	window.requestAnimationFrame(() => {
-		enableTextAreaTab(true);
+		tabHandler = enableTextAreaTab(containerDocument);
 	});
 }

packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/utils/useTabIndenter.ts

@@ -1,9 +1,9 @@
 import { useEffect } from 'react';
 import type { Editor, EditorEvent } from 'tinymce';
 
-const useTabIndenter = (editor: Editor) => {
+const useTabIndenter = (editor: Editor, enabled: boolean) => {
 	useEffect(() => {
-		if (!editor) return () => {};
+		if (!editor || !enabled) return () => {};
 
 		const canChangeIndentation = () => {
 			const selectionElement = editor.selection.getNode();
@@ -70,7 +70,7 @@ const useTabIndenter = (editor: Editor) => {
 		return () => {
 			editor.off('keydown', eventHandler);
 		};
-	}, [editor]);
+	}, [editor, enabled]);
 };
 
 export default useTabIndenter;

packages/app-desktop/gui/NoteEditor/NoteEditor.tsx

@@ -16,13 +16,11 @@ import useFolder from './utils/useFolder';
 import styles_ from './styles';
 import { NoteEditorProps, FormNote, OnChangeEvent, NoteBodyEditorProps, AllAssetsOptions, NoteBodyEditorRef } from './utils/types';
 import CommandService from '@joplin/lib/services/CommandService';
-import ToolbarButton from '../ToolbarButton/ToolbarButton';
 import Button, { ButtonLevel } from '../Button/Button';
 import eventManager, { EventName } from '@joplin/lib/eventManager';
 import { AppState } from '../../app.reducer';
 import ToolbarButtonUtils, { ToolbarButtonInfo } from '@joplin/lib/services/commands/ToolbarButtonUtils';
 import { _, _n } from '@joplin/lib/locale';
-import TagList from '../TagList';
 import NoteTitleBar from './NoteTitle/NoteTitleBar';
 import markupLanguageUtils from '@joplin/lib/utils/markupLanguageUtils';
 import Setting from '@joplin/lib/models/Setting';
@@ -59,6 +57,7 @@ import PluginService from '@joplin/lib/services/plugins/PluginService';
 import WebviewController from '@joplin/lib/services/plugins/WebviewController';
 import AsyncActionQueue, { IntervalType } from '@joplin/lib/AsyncActionQueue';
 import useResourceUnwatcher from './utils/useResourceUnwatcher';
+import StatusBar from './StatusBar';
 
 const debounce = require('debounce');
 
@@ -440,24 +439,6 @@ function NoteEditorContent(props: NoteEditorProps) {
 		return <div style={emptyDivStyle} ref={containerRef}></div>;
 	}
 
-	function renderTagButton() {
-		return <ToolbarButton
-			themeId={props.themeId}
-			toolbarButtonInfo={props.setTagsToolbarButtonInfo}
-		/>;
-	}
-
-	function renderTagBar() {
-		const theme = themeStyle(props.themeId);
-		const noteIds = [formNote.id];
-		const instructions = <span onClick={() => { void CommandService.instance().execute('setTags', noteIds); }} style={{ ...theme.clickableTextStyle, whiteSpace: 'nowrap' }}>{_('Click to add tags...')}</span>;
-		const tagList = props.selectedNoteTags.length ? <TagList items={props.selectedNoteTags} /> : null;
-
-		return (
-			<div style={{ paddingLeft: 8, display: 'flex', flexDirection: 'row', alignItems: 'center' }}>{tagList}{instructions}</div>
-		);
-	}
-
 	const searchMarkers = useSearchMarkers(showLocalSearch, localSearchMarkerOptions, props.searches, props.selectedSearchId, props.highlightedWords);
 
 	const editorProps: NoteBodyEditorProps = {
@@ -488,6 +469,7 @@ function NoteEditorContent(props: NoteEditorProps) {
 		searchMarkers: searchMarkers,
 		visiblePanes: props.noteVisiblePanes || ['editor', 'viewer'],
 		keyboardMode: Setting.value('editor.keyboardMode'),
+		tabMovesFocus: props.tabMovesFocus,
 		locale: Setting.value('locale'),
 		onDrop: onDrop,
 		noteToolbarButtonInfos: props.toolbarButtonInfos,
@@ -690,10 +672,11 @@ function NoteEditorContent(props: NoteEditorProps) {
 				<div style={{ display: 'flex', flexDirection: 'row', alignItems: 'center' }}>
 					{renderSearchBar()}
 				</div>
-				<div className="tag-bar" style={{ paddingLeft: theme.editorPaddingLeft, display: 'flex', flexDirection: 'row', alignItems: 'center', height: 40 }}>
-					{renderTagButton()}
-					{renderTagBar()}
-				</div>
+				<StatusBar
+					noteId={formNote.id}
+					setTagsToolbarButtonInfo={props.setTagsToolbarButtonInfo}
+					selectedNoteTags={props.selectedNoteTags}
+				/>
 				<WarningBanner bodyEditor={props.bodyEditor}/>
 			</div>
 		</div>
@@ -750,6 +733,7 @@ const mapStateToProps = (state: AppState, ownProps: ConnectProps) => {
 		], whenClauseContext)[0] as ToolbarButtonInfo,
 		contentMaxWidth: state.settings['style.editor.contentMaxWidth'],
 		scrollbarSize: state.settings['style.scrollbarSize'],
+		tabMovesFocus: state.settings['editor.tabMovesFocus'],
 		isSafeMode: state.settings.isSafeMode,
 		useCustomPdfViewer: false,
 		syncUserId: state.settings['sync.userId'],

packages/app-desktop/gui/NoteEditor/StatusBar.tsx

@@ -0,0 +1,88 @@
+import * as React from 'react';
+import ToolbarButton from '../ToolbarButton/ToolbarButton';
+import { ToolbarButtonInfo } from '@joplin/lib/services/commands/ToolbarButtonUtils';
+import CommandService from '@joplin/lib/services/CommandService';
+import { themeStyle } from '@joplin/lib/theme';
+import { AppState } from '../../app.reducer';
+import { connect } from 'react-redux';
+import { TagEntity } from '@joplin/lib/services/database/types';
+import TagList from '../TagList';
+import { _ } from '@joplin/lib/locale';
+import { useCallback } from 'react';
+import KeymapService from '@joplin/lib/services/KeymapService';
+
+interface Props {
+	themeId: number;
+	tabMovesFocus: boolean;
+	noteId: string;
+	setTagsToolbarButtonInfo: ToolbarButtonInfo;
+	selectedNoteTags: TagEntity[];
+}
+
+interface StatusIndicatorProps {
+	commandName: string;
+	showWhenUnfocused: boolean;
+	// Even if not visible, [label] should reflect the current state
+	// of the indicator.
+	label: string;
+}
+
+const StatusIndicator: React.FC<StatusIndicatorProps> = props => {
+	const runCommand = useCallback(() => {
+		void CommandService.instance().execute(props.commandName);
+	}, [props.commandName]);
+
+	const keyshortcuts = KeymapService.instance().getAriaKeyShortcuts(props.commandName);
+	return <span
+		className={`status editor-status-indicator ${props.showWhenUnfocused ? '-show' : ''}`}
+		aria-live='polite'
+	>
+		<button
+			className='button'
+			aria-keyshortcuts={keyshortcuts}
+			onClick={runCommand}
+		>
+			{props.label}
+		</button>
+	</span>;
+};
+
+const StatusBar: React.FC<Props> = props => {
+	function renderTagButton() {
+		return <ToolbarButton
+			themeId={props.themeId}
+			toolbarButtonInfo={props.setTagsToolbarButtonInfo}
+		/>;
+	}
+
+	function renderTagBar() {
+		const theme = themeStyle(props.themeId);
+		const noteIds = [props.noteId];
+		const instructions = <span onClick={() => { void CommandService.instance().execute('setTags', noteIds); }} style={{ ...theme.clickableTextStyle, whiteSpace: 'nowrap' }}>{_('Click to add tags...')}</span>;
+		const tagList = props.selectedNoteTags.length ? <TagList items={props.selectedNoteTags} /> : null;
+
+		return <div className='tag-bar'>
+			{renderTagButton()}
+			<div className='content'>{tagList}{instructions}</div>
+		</div>;
+	}
+
+	const keyboardStatus = <StatusIndicator
+		commandName='toggleTabMovesFocus'
+		label={props.tabMovesFocus ? _('Tab moves focus') : _('Tab indents')}
+		showWhenUnfocused={props.tabMovesFocus}
+	/>;
+
+	return <div className='editor-status-bar'>
+		{renderTagBar()}
+		<div className='spacer'/>
+		{keyboardStatus}
+	</div>;
+};
+
+export default connect((state: AppState) => {
+	return {
+		themeId: state.settings.theme,
+		tabMovesFocus: state.settings['editor.tabMovesFocus'],
+	};
+})(StatusBar);

packages/app-desktop/gui/NoteEditor/style.scss

@@ -7,3 +7,6 @@
 @use "./styles/note-editor-viewer-row.scss";
 @use "./styles/revision-viewer-root.scss";
 @use "./styles/revision-viewer-title.scss";
+@use "./styles/tag-bar.scss";
+@use "./styles/editor-status-bar.scss";
+@use "./styles/editor-status-indicator.scss";

packages/app-desktop/gui/NoteEditor/styles/editor-status-bar.scss

@@ -0,0 +1,13 @@
+
+.editor-status-bar {
+	display: flex;
+	flex-direction: row;
+
+	> .spacer {
+		flex-grow: 1;
+	}
+
+	> .status {
+		align-self: end;
+	}
+}

packages/app-desktop/gui/NoteEditor/styles/editor-status-indicator.scss

@@ -0,0 +1,18 @@
+
+.editor-status-indicator {
+	width: 0;
+	overflow: hidden;
+
+	&:has(> :focus-visible), &.-show {
+		width: unset;
+		overflow: visible;
+	}
+
+	> .button {
+		font-size: var(--joplin-font-size-small);
+		background-color: var(--joplin-background-color-active3);
+		color: var(--joplin-color);
+		border: none;
+		padding: 4px;
+	}
+}

packages/app-desktop/gui/NoteEditor/styles/tag-bar.scss

@@ -0,0 +1,14 @@
+.tag-bar {
+	padding-left: var(--joplin-editor-padding-left);
+	display: flex;
+	flex-direction: row;
+	align-items: center;
+	height: 40px;
+
+	> .content {
+		padding-left: 8px;
+		display: flex;
+		flex-direction: row;
+		align-items: center;
+	}
+}

packages/app-desktop/gui/NoteEditor/utils/types.ts

@@ -49,6 +49,7 @@ export interface NoteEditorProps {
 	watchedResources: any;
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
 	highlightedWords: any[];
+	tabMovesFocus: boolean;
 	plugins: PluginStates;
 	toolbarButtonInfos: ToolbarItem[];
 	setTagsToolbarButtonInfo: ToolbarButtonInfo;
@@ -121,6 +122,7 @@ export interface NoteBodyEditorProps {
 	searchMarkers: SearchMarkers;
 	visiblePanes: string[];
 	keyboardMode: string;
+	tabMovesFocus: boolean;
 	resourceInfos: ResourceInfos;
 	resourceDirectory: string;
 	locale: string;

packages/app-desktop/gui/menuCommandNames.ts

@@ -42,6 +42,7 @@ export default function() {
 		'togglePerFolderSortOrder',
 		'toggleSideBar',
 		'toggleVisiblePanes',
+		'toggleTabMovesFocus',
 		'editor.deleteLine',
 		'editor.duplicateLine',
 		// We cannot put the undo/redo commands in the menu because they are

packages/app-desktop/integration-tests/models/EditorCodeDialog.ts

@@ -0,0 +1,16 @@
+import { Locator, Page } from '@playwright/test';
+
+export default class EditorCodeDialog {
+	private readonly dialog: Locator;
+	public readonly textArea: Locator;
+
+	public constructor(page: Page) {
+		this.dialog = page.getByRole('dialog', { name: 'Edit' });
+		this.textArea = this.dialog.locator('textarea');
+	}
+
+	public async waitFor() {
+		await this.dialog.waitFor();
+		await this.textArea.waitFor();
+	}
+}

packages/app-desktop/integration-tests/models/NoteEditorScreen.ts

@@ -1,17 +1,25 @@
-
-import { Locator, Page } from '@playwright/test';
+import { ElectronApplication, Locator, Page } from '@playwright/test';
 import { expect } from '../util/test';
+import activateMainMenuItem from '../util/activateMainMenuItem';
+import EditorCodeDialog from './EditorCodeDialog';
 
 export default class NoteEditorPage {
 	public readonly codeMirrorEditor: Locator;
 	public readonly noteViewerContainer: Locator;
 	public readonly richTextEditor: Locator;
 	public readonly noteTitleInput: Locator;
+
+	public readonly richTextCodeEditor: EditorCodeDialog;
+
 	public readonly attachFileButton: Locator;
+	public readonly toggleCodeBlockButton: Locator;
 	public readonly toggleEditorsButton: Locator;
 	public readonly toggleEditorLayoutButton: Locator;
+	private readonly disableTabNavigationButton: Locator;
+
 	public readonly editorSearchInput: Locator;
 	public readonly viewerSearchInput: Locator;
+
 	private readonly containerLocator: Locator;
 
 	public constructor(page: Page) {
@@ -20,12 +28,16 @@ export default class NoteEditorPage {
 		this.richTextEditor = this.containerLocator.locator('iframe[title="Rich Text Area"]');
 		this.noteTitleInput = this.containerLocator.locator('.title-input');
 		this.attachFileButton = this.containerLocator.getByRole('button', { name: 'Attach file' });
+		this.toggleCodeBlockButton = this.containerLocator.getByRole('button', { name: 'Code Block' });
 		this.toggleEditorsButton = this.containerLocator.getByRole('button', { name: 'Toggle editors' });
 		this.toggleEditorLayoutButton = this.containerLocator.getByRole('button', { name: 'Toggle editor layout' });
 		this.noteViewerContainer = this.containerLocator.locator('iframe[src$="note-viewer/index.html"]');
 		// The editor and viewer have slightly different search UI
 		this.editorSearchInput = this.containerLocator.getByPlaceholder('Find');
 		this.viewerSearchInput = this.containerLocator.getByPlaceholder('Search...');
+		this.disableTabNavigationButton = this.containerLocator.getByRole('button', { name: 'Tab moves focus' });
+
+		this.richTextCodeEditor = new EditorCodeDialog(page);
 	}
 
 	public toolbarButtonLocator(title: string) {
@@ -75,6 +87,18 @@ export default class NoteEditorPage {
 		return this.codeMirrorEditor.click();
 	}
 
+	public async enableTabNavigation(electronApp: ElectronApplication) {
+		await expect(this.disableTabNavigationButton).not.toBeVisible();
+		await activateMainMenuItem(electronApp, 'Tab moves focus');
+		await expect(this.disableTabNavigationButton).toBeVisible();
+	}
+
+	public async disableTabNavigation(electronApp: ElectronApplication) {
+		await expect(this.disableTabNavigationButton).toBeVisible();
+		await activateMainMenuItem(electronApp, 'Tab moves focus');
+		await expect(this.disableTabNavigationButton).not.toBeVisible();
+	}
+
 	public async waitFor() {
 		await this.noteTitleInput.waitFor();
 		await this.toggleEditorsButton.waitFor();

packages/app-desktop/integration-tests/richTextEditor.spec.ts

@@ -120,6 +120,56 @@ test.describe('richTextEditor', () => {
 		await expect(editor.codeMirrorEditor).toHaveText('This is a        test.        Test! Another:        !');
 	});
 
+	test('should be possible to disable tab indentation from the menu', async ({ mainWindow, electronApp }) => {
+		const mainScreen = await new MainScreen(mainWindow).setup();
+		await mainScreen.createNewNote('Testing keyboard navigation!');
+
+		const editor = mainScreen.noteEditor;
+		await editor.toggleEditorsButton.click();
+		await editor.richTextEditor.click();
+
+		await editor.enableTabNavigation(electronApp);
+		await mainWindow.keyboard.type('This is a');
+
+		// Tab should navigate
+		await expect(editor.richTextEditor).toBeFocused();
+		await mainWindow.keyboard.press('Tab');
+		await expect(editor.richTextEditor).not.toBeFocused();
+
+		await editor.disableTabNavigation(electronApp);
+
+		// Tab should not navigate
+		await editor.richTextEditor.click();
+		await mainWindow.keyboard.press('Tab');
+		await expect(editor.richTextEditor).toBeFocused();
+	});
+
+	test('disabling tab indentation should also disable it in code dialogs', async ({ mainWindow, electronApp }) => {
+		const mainScreen = await new MainScreen(mainWindow).setup();
+		await mainScreen.createNewNote('Testing code blocks');
+
+		const editor = mainScreen.noteEditor;
+		await editor.toggleEditorsButton.click();
+		await editor.richTextEditor.click();
+
+		await editor.toggleCodeBlockButton.click();
+		const codeEditor = editor.richTextCodeEditor;
+		await codeEditor.waitFor();
+
+		// Initially, pressing <tab> in the textarea should add a tab
+		await codeEditor.textArea.click();
+		await mainWindow.keyboard.press('Tab');
+		await expect(codeEditor.textArea).toHaveValue('\t');
+		await expect(codeEditor.textArea).toBeFocused();
+
+		await editor.enableTabNavigation(electronApp);
+
+		// After enabling tab navigation, pressing tab should navigate.
+		await expect(codeEditor.textArea).toBeFocused();
+		await mainWindow.keyboard.press('Tab');
+		await expect(codeEditor.textArea).not.toBeFocused();
+	});
+
 	test('should be possible to navigate between the note title and rich text editor with enter/down/up keys', async ({ mainWindow }) => {
 		const mainScreen = await new MainScreen(mainWindow).setup();
 		await mainScreen.createNewNote('Testing keyboard navigation!');

packages/app-mobile/components/NoteEditor/NoteEditor.tsx

@@ -347,6 +347,8 @@ function NoteEditor(props: Props, ref: any) {
 		ignoreModifiers: false,
 		autocompleteMarkup: Setting.value('editor.autocompleteMarkup'),
 
+		// For now, mobile CodeMirror uses its built-in focus toggle shortcut.
+		tabMovesFocus: false,
 		indentWithTabs: true,
 
 		editorLabel: _('Markdown editor'),

packages/editor/CodeMirror/createEditor.ts

@@ -181,6 +181,10 @@ const createEditor = (
 		keyCommand('Mod-]', increaseIndent),
 		keyCommand('Mod-k', showLinkEditor),
 		keyCommand('Tab', (view: EditorView) => {
+			if (settings.tabMovesFocus) {
+				return false;
+			}
+
 			if (settings.autocompleteMarkup) {
 				return insertOrIncreaseIndent(view);
 			}
@@ -188,6 +192,10 @@ const createEditor = (
 			return insertTab(view);
 		}, true),
 		keyCommand('Shift-Tab', (view) => {
+			if (settings.tabMovesFocus) {
+				return false;
+			}
+
 			// When at the beginning of the editor, allow shift-tab to act
 			// normally.
 			if (isCursorAtBeginning(view.state)) {

packages/editor/CodeMirror/testUtil/createEditorSettings.ts

@@ -11,6 +11,7 @@ const createEditorSettings = (themeId: number) => {
 		automatchBraces: false,
 		ignoreModifiers: false,
 		autocompleteMarkup: true,
+		tabMovesFocus: false,
 
 		keymap: EditorKeymap.Default,
 		language: EditorLanguageType.Markdown,

packages/editor/types.ts

@@ -165,6 +165,7 @@ export interface EditorSettings {
 	language: EditorLanguageType;
 
 	keymap: EditorKeymap;
+	tabMovesFocus: boolean;
 
 	katexEnabled: boolean;
 	spellcheckEnabled: boolean;

packages/lib/models/settings/builtInMetadata.ts

@@ -683,6 +683,16 @@ const builtInMetadata = (Setting: typeof SettingType) => {
 			appTypes: [AppType.Mobile],
 			label: () => 'buttons included in the editor toolbar',
 		},
+		'editor.tabMovesFocus': {
+			value: false,
+			type: SettingItemType.Bool,
+			public: false,
+			section: 'note',
+			appTypes: [AppType.Desktop],
+			label: () => _('Tab moves focus'),
+			storage: SettingStorage.File,
+			isGlobal: true,
+		},
 		'notes.columns': {
 			value: defaultListColumns(),
 			public: false,

packages/lib/services/KeymapService.ts

@@ -62,6 +62,7 @@ const defaultKeymapItems = {
 		{ accelerator: 'Option+Cmd+3', command: 'switchProfile3' },
 		{ accelerator: 'Option+Cmd+Backspace', command: 'permanentlyDeleteNote' },
 		{ accelerator: 'Option+Cmd+N', command: 'openNoteInNewWindow' },
+		{ accelerator: 'Ctrl+M', command: 'toggleTabMovesFocus' },
 	],
 	default: [
 		{ accelerator: 'Ctrl+N', command: 'newNote' },
@@ -110,6 +111,7 @@ const defaultKeymapItems = {
 		{ accelerator: 'Ctrl+Alt+2', command: 'switchProfile2' },
 		{ accelerator: 'Ctrl+Alt+3', command: 'switchProfile3' },
 		{ accelerator: 'Ctrl+Alt+N', command: 'openNoteInNewWindow' },
+		{ accelerator: 'Ctrl+M', command: 'toggleTabMovesFocus' },
 	],
 };
 
@@ -417,6 +419,13 @@ export default class KeymapService extends BaseService {
 		return parts.join('+');
 	}
 
+	// Electron and aria-keyshortcuts have slightly different formats for accelerators.
+	// See https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-keyshortcuts
+	public getAriaKeyShortcuts(commandName: string) {
+		const electronAccelerator = this.getAccelerator(commandName);
+		return electronAccelerator.replace('Ctrl', 'Control');
+	}
+
 	public on<Name extends EventName>(eventName: Name, callback: EventListenerCallback<Name>) {
 		eventManager.on(eventName, callback);
 	}

packages/tools/cspell/dictionary4.txt

@@ -160,3 +160,4 @@ Tebi
 unwatcher
 pedr
 Slotozilla
+keyshortcuts