+++ /dev/null
-/**
- * Copyright (c) 2014 The xterm.js authors. All rights reserved.
- * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
- * @license MIT
- */
-
-import { IKeyboardEvent, IKeyboardResult, KeyboardResultType } from 'common/Types';
-import { C0 } from 'common/data/EscapeSequences';
-
-// reg + shift key mappings for digits and special chars
-const KEYCODE_KEY_MAPPINGS: { [key: number]: [string, string]} = {
- // digits 0-9
- 48: ['0', ')'],
- 49: ['1', '!'],
- 50: ['2', '@'],
- 51: ['3', '#'],
- 52: ['4', '$'],
- 53: ['5', '%'],
- 54: ['6', '^'],
- 55: ['7', '&'],
- 56: ['8', '*'],
- 57: ['9', '('],
-
- // special chars
- 186: [';', ':'],
- 187: ['=', '+'],
- 188: [',', '<'],
- 189: ['-', '_'],
- 190: ['.', '>'],
- 191: ['/', '?'],
- 192: ['`', '~'],
- 219: ['[', '{'],
- 220: ['\\', '|'],
- 221: [']', '}'],
- 222: ['\'', '"']
-};
-
-export function evaluateKeyboardEvent(
- ev: IKeyboardEvent,
- applicationCursorMode: boolean,
- isMac: boolean,
- macOptionIsMeta: boolean
-): IKeyboardResult {
- const result: IKeyboardResult = {
- type: KeyboardResultType.SEND_KEY,
- // Whether to cancel event propagation (NOTE: this may not be needed since the event is
- // canceled at the end of keyDown
- cancel: false,
- // The new key even to emit
- key: undefined
- };
- const modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);
- switch (ev.keyCode) {
- case 0:
- if (ev.key === 'UIKeyInputUpArrow') {
- if (applicationCursorMode) {
- result.key = C0.ESC + 'OA';
- } else {
- result.key = C0.ESC + '[A';
- }
- }
- else if (ev.key === 'UIKeyInputLeftArrow') {
- if (applicationCursorMode) {
- result.key = C0.ESC + 'OD';
- } else {
- result.key = C0.ESC + '[D';
- }
- }
- else if (ev.key === 'UIKeyInputRightArrow') {
- if (applicationCursorMode) {
- result.key = C0.ESC + 'OC';
- } else {
- result.key = C0.ESC + '[C';
- }
- }
- else if (ev.key === 'UIKeyInputDownArrow') {
- if (applicationCursorMode) {
- result.key = C0.ESC + 'OB';
- } else {
- result.key = C0.ESC + '[B';
- }
- }
- break;
- case 8:
- // backspace
- if (ev.shiftKey) {
- result.key = C0.BS; // ^H
- break;
- } else if (ev.altKey) {
- result.key = C0.ESC + C0.DEL; // \e ^?
- break;
- }
- result.key = C0.DEL; // ^?
- break;
- case 9:
- // tab
- if (ev.shiftKey) {
- result.key = C0.ESC + '[Z';
- break;
- }
- result.key = C0.HT;
- result.cancel = true;
- break;
- case 13:
- // return/enter
- result.key = C0.CR;
- result.cancel = true;
- break;
- case 27:
- // escape
- result.key = C0.ESC;
- result.cancel = true;
- break;
- case 37:
- // left-arrow
- if (ev.metaKey) {
- break;
- }
- if (modifiers) {
- result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';
- // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
- // http://unix.stackexchange.com/a/108106
- // macOS uses different escape sequences than linux
- if (result.key === C0.ESC + '[1;3D') {
- result.key = C0.ESC + (isMac ? 'b' : '[1;5D');
- }
- } else if (applicationCursorMode) {
- result.key = C0.ESC + 'OD';
- } else {
- result.key = C0.ESC + '[D';
- }
- break;
- case 39:
- // right-arrow
- if (ev.metaKey) {
- break;
- }
- if (modifiers) {
- result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';
- // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
- // http://unix.stackexchange.com/a/108106
- // macOS uses different escape sequences than linux
- if (result.key === C0.ESC + '[1;3C') {
- result.key = C0.ESC + (isMac ? 'f' : '[1;5C');
- }
- } else if (applicationCursorMode) {
- result.key = C0.ESC + 'OC';
- } else {
- result.key = C0.ESC + '[C';
- }
- break;
- case 38:
- // up-arrow
- if (ev.metaKey) {
- break;
- }
- if (modifiers) {
- result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';
- // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
- // http://unix.stackexchange.com/a/108106
- // macOS uses different escape sequences than linux
- if (!isMac && result.key === C0.ESC + '[1;3A') {
- result.key = C0.ESC + '[1;5A';
- }
- } else if (applicationCursorMode) {
- result.key = C0.ESC + 'OA';
- } else {
- result.key = C0.ESC + '[A';
- }
- break;
- case 40:
- // down-arrow
- if (ev.metaKey) {
- break;
- }
- if (modifiers) {
- result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';
- // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
- // http://unix.stackexchange.com/a/108106
- // macOS uses different escape sequences than linux
- if (!isMac && result.key === C0.ESC + '[1;3B') {
- result.key = C0.ESC + '[1;5B';
- }
- } else if (applicationCursorMode) {
- result.key = C0.ESC + 'OB';
- } else {
- result.key = C0.ESC + '[B';
- }
- break;
- case 45:
- // insert
- if (!ev.shiftKey && !ev.ctrlKey) {
- // <Ctrl> or <Shift> + <Insert> are used to
- // copy-paste on some systems.
- result.key = C0.ESC + '[2~';
- }
- break;
- case 46:
- // delete
- if (modifiers) {
- result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';
- } else {
- result.key = C0.ESC + '[3~';
- }
- break;
- case 36:
- // home
- if (modifiers) {
- result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';
- } else if (applicationCursorMode) {
- result.key = C0.ESC + 'OH';
- } else {
- result.key = C0.ESC + '[H';
- }
- break;
- case 35:
- // end
- if (modifiers) {
- result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';
- } else if (applicationCursorMode) {
- result.key = C0.ESC + 'OF';
- } else {
- result.key = C0.ESC + '[F';
- }
- break;
- case 33:
- // page up
- if (ev.shiftKey) {
- result.type = KeyboardResultType.PAGE_UP;
- } else {
- result.key = C0.ESC + '[5~';
- }
- break;
- case 34:
- // page down
- if (ev.shiftKey) {
- result.type = KeyboardResultType.PAGE_DOWN;
- } else {
- result.key = C0.ESC + '[6~';
- }
- break;
- case 112:
- // F1-F12
- if (modifiers) {
- result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';
- } else {
- result.key = C0.ESC + 'OP';
- }
- break;
- case 113:
- if (modifiers) {
- result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';
- } else {
- result.key = C0.ESC + 'OQ';
- }
- break;
- case 114:
- if (modifiers) {
- result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';
- } else {
- result.key = C0.ESC + 'OR';
- }
- break;
- case 115:
- if (modifiers) {
- result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';
- } else {
- result.key = C0.ESC + 'OS';
- }
- break;
- case 116:
- if (modifiers) {
- result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';
- } else {
- result.key = C0.ESC + '[15~';
- }
- break;
- case 117:
- if (modifiers) {
- result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';
- } else {
- result.key = C0.ESC + '[17~';
- }
- break;
- case 118:
- if (modifiers) {
- result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';
- } else {
- result.key = C0.ESC + '[18~';
- }
- break;
- case 119:
- if (modifiers) {
- result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';
- } else {
- result.key = C0.ESC + '[19~';
- }
- break;
- case 120:
- if (modifiers) {
- result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';
- } else {
- result.key = C0.ESC + '[20~';
- }
- break;
- case 121:
- if (modifiers) {
- result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';
- } else {
- result.key = C0.ESC + '[21~';
- }
- break;
- case 122:
- if (modifiers) {
- result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';
- } else {
- result.key = C0.ESC + '[23~';
- }
- break;
- case 123:
- if (modifiers) {
- result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';
- } else {
- result.key = C0.ESC + '[24~';
- }
- break;
- default:
- // a-z and space
- if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
- if (ev.keyCode >= 65 && ev.keyCode <= 90) {
- result.key = String.fromCharCode(ev.keyCode - 64);
- } else if (ev.keyCode === 32) {
- result.key = C0.NUL;
- } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
- // escape, file sep, group sep, record sep, unit sep
- result.key = String.fromCharCode(ev.keyCode - 51 + 27);
- } else if (ev.keyCode === 56) {
- result.key = C0.DEL;
- } else if (ev.keyCode === 219) {
- result.key = C0.ESC;
- } else if (ev.keyCode === 220) {
- result.key = C0.FS;
- } else if (ev.keyCode === 221) {
- result.key = C0.GS;
- }
- } else if ((!isMac || macOptionIsMeta) && ev.altKey && !ev.metaKey) {
- // On macOS this is a third level shift when !macOptionIsMeta. Use <Esc> instead.
- const keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];
- const key = keyMapping && keyMapping[!ev.shiftKey ? 0 : 1];
- if (key) {
- result.key = C0.ESC + key;
- } else if (ev.keyCode >= 65 && ev.keyCode <= 90) {
- const keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;
- result.key = C0.ESC + String.fromCharCode(keyCode);
- }
- } else if (isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {
- if (ev.keyCode === 65) { // cmd + a
- result.type = KeyboardResultType.SELECT_ALL;
- }
- } else if (ev.key && !ev.ctrlKey && !ev.altKey && !ev.metaKey && ev.keyCode >= 48 && ev.key.length === 1) {
- // Include only keys that that result in a _single_ character; don't include num lock, volume up, etc.
- result.key = ev.key;
- } else if (ev.key && ev.ctrlKey) {
- if (ev.key === '_') { // ^_
- result.key = C0.US;
- }
- }
- break;
- }
-
- return result;
-}
projects / VSoRC / .git / blobdiff