mirror of
https://github.com/wavetermdev/xterm.js.git
synced 2026-08-05 13:43:48 -07:00
Pull keyboard event translation into core
This commit is contained in:
Daniel Imms
+2
-352
@@ -51,34 +51,7 @@ import { ITheme, ILocalizableStrings, IMarker, IDisposable } from 'xterm';
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import { removeTerminalFromCache } from './renderer/atlas/CharAtlasCache';
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import { DomRenderer } from './renderer/dom/DomRenderer';
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import { IKeyboardEvent } from './base/Types';
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// reg + shift key mappings for digits and special chars
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const KEYCODE_KEY_MAPPINGS: { [key: number]: [string, string]} = {
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// digits 0-9
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48: ['0', ')'],
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49: ['1', '!'],
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50: ['2', '@'],
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51: ['3', '#'],
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52: ['4', '$'],
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53: ['5', '%'],
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54: ['6', '^'],
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55: ['7', '&'],
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56: ['8', '*'],
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57: ['9', '('],
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// special chars
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186: [';', ':'],
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187: ['=', '+'],
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188: [',', '<'],
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189: ['-', '_'],
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190: ['.', '>'],
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191: ['/', '?'],
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192: ['`', '~'],
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219: ['[', '{'],
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220: ['\\', '|'],
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221: [']', '}'],
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222: ['\'', '"']
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};
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import { evaluateKeyboardEvent } from './core/input/Keyboard';
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// Let it work inside Node.js for automated testing purposes.
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const document = (typeof window !== 'undefined') ? window.document : null;
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@@ -1449,7 +1422,7 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
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return false;
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}
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const result = this._evaluateKeyEscapeSequence(event);
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const result = evaluateKeyboardEvent(event);
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// if (result.key === C0.DC3) { // XOFF
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// this._writeStopped = true;
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@@ -1496,329 +1469,6 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
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return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
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}
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/**
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* Returns an object that determines how a KeyboardEvent should be handled. The key of the
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* returned value is the new key code to pass to the PTY.
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*
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* Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
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* @param ev The keyboard event to be translated to key escape sequence.
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*/
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protected _evaluateKeyEscapeSequence(ev: IKeyboardEvent): {cancel: boolean, key: string, scrollLines: number} {
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const result: {cancel: boolean, key: string, scrollLines: number} = {
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// Whether to cancel event propogation (NOTE: this may not be needed since the event is
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// canceled at the end of keyDown
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cancel: false,
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// The new key even to emit
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key: undefined,
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// The number of characters to scroll, if this is defined it will cancel the event
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scrollLines: undefined
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};
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const modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);
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switch (ev.keyCode) {
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case 0:
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if (ev.key === 'UIKeyInputUpArrow') {
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if (this.applicationCursor) {
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result.key = C0.ESC + 'OA';
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} else {
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result.key = C0.ESC + '[A';
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}
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}
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else if (ev.key === 'UIKeyInputLeftArrow') {
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if (this.applicationCursor) {
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result.key = C0.ESC + 'OD';
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} else {
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result.key = C0.ESC + '[D';
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}
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}
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else if (ev.key === 'UIKeyInputRightArrow') {
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if (this.applicationCursor) {
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result.key = C0.ESC + 'OC';
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} else {
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result.key = C0.ESC + '[C';
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}
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}
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else if (ev.key === 'UIKeyInputDownArrow') {
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if (this.applicationCursor) {
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result.key = C0.ESC + 'OB';
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} else {
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result.key = C0.ESC + '[B';
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}
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}
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break;
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case 8:
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// backspace
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if (ev.shiftKey) {
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result.key = C0.BS; // ^H
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break;
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} else if (ev.altKey) {
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result.key = C0.ESC + C0.DEL; // \e ^?
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break;
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}
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result.key = C0.DEL; // ^?
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break;
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case 9:
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// tab
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if (ev.shiftKey) {
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result.key = C0.ESC + '[Z';
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break;
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}
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result.key = C0.HT;
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result.cancel = true;
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break;
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case 13:
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// return/enter
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result.key = C0.CR;
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result.cancel = true;
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break;
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case 27:
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// escape
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result.key = C0.ESC;
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result.cancel = true;
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break;
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case 37:
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// left-arrow
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if (modifiers) {
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result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';
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// HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
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// http://unix.stackexchange.com/a/108106
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// macOS uses different escape sequences than linux
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if (result.key === C0.ESC + '[1;3D') {
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result.key = (this.browser.isMac) ? C0.ESC + 'b' : C0.ESC + '[1;5D';
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}
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} else if (this.applicationCursor) {
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result.key = C0.ESC + 'OD';
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} else {
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result.key = C0.ESC + '[D';
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}
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break;
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case 39:
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// right-arrow
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if (modifiers) {
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result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';
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// HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
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// http://unix.stackexchange.com/a/108106
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// macOS uses different escape sequences than linux
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if (result.key === C0.ESC + '[1;3C') {
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result.key = (this.browser.isMac) ? C0.ESC + 'f' : C0.ESC + '[1;5C';
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}
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} else if (this.applicationCursor) {
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result.key = C0.ESC + 'OC';
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} else {
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result.key = C0.ESC + '[C';
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}
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break;
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case 38:
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// up-arrow
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if (modifiers) {
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result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';
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// HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
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// http://unix.stackexchange.com/a/108106
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if (result.key === C0.ESC + '[1;3A') {
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result.key = C0.ESC + '[1;5A';
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}
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} else if (this.applicationCursor) {
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result.key = C0.ESC + 'OA';
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} else {
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result.key = C0.ESC + '[A';
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}
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break;
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case 40:
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// down-arrow
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if (modifiers) {
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result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';
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// HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
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// http://unix.stackexchange.com/a/108106
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if (result.key === C0.ESC + '[1;3B') {
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result.key = C0.ESC + '[1;5B';
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}
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} else if (this.applicationCursor) {
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result.key = C0.ESC + 'OB';
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} else {
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result.key = C0.ESC + '[B';
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}
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break;
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case 45:
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// insert
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if (!ev.shiftKey && !ev.ctrlKey) {
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// <Ctrl> or <Shift> + <Insert> are used to
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// copy-paste on some systems.
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result.key = C0.ESC + '[2~';
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}
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break;
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case 46:
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// delete
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if (modifiers) {
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result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';
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} else {
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result.key = C0.ESC + '[3~';
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}
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break;
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case 36:
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// home
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if (modifiers) {
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result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';
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} else if (this.applicationCursor) {
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result.key = C0.ESC + 'OH';
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} else {
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result.key = C0.ESC + '[H';
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}
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break;
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case 35:
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// end
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if (modifiers) {
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result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';
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} else if (this.applicationCursor) {
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result.key = C0.ESC + 'OF';
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} else {
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result.key = C0.ESC + '[F';
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}
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break;
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case 33:
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// page up
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if (ev.shiftKey) {
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result.scrollLines = -(this.rows - 1);
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} else {
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result.key = C0.ESC + '[5~';
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}
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break;
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case 34:
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// page down
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if (ev.shiftKey) {
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result.scrollLines = this.rows - 1;
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} else {
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result.key = C0.ESC + '[6~';
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}
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break;
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case 112:
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// F1-F12
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if (modifiers) {
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result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';
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} else {
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result.key = C0.ESC + 'OP';
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}
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break;
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case 113:
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if (modifiers) {
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result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';
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} else {
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result.key = C0.ESC + 'OQ';
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}
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break;
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case 114:
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if (modifiers) {
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result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';
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} else {
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result.key = C0.ESC + 'OR';
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}
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break;
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case 115:
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if (modifiers) {
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result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';
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} else {
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result.key = C0.ESC + 'OS';
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}
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break;
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case 116:
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if (modifiers) {
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result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';
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} else {
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result.key = C0.ESC + '[15~';
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}
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break;
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case 117:
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if (modifiers) {
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result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';
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} else {
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result.key = C0.ESC + '[17~';
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}
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break;
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case 118:
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if (modifiers) {
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result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';
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} else {
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result.key = C0.ESC + '[18~';
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}
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break;
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case 119:
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if (modifiers) {
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result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';
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} else {
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result.key = C0.ESC + '[19~';
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}
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break;
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case 120:
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if (modifiers) {
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result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';
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} else {
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result.key = C0.ESC + '[20~';
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}
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break;
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case 121:
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if (modifiers) {
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result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';
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} else {
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result.key = C0.ESC + '[21~';
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}
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break;
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case 122:
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if (modifiers) {
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result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';
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} else {
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result.key = C0.ESC + '[23~';
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}
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break;
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case 123:
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if (modifiers) {
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result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';
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} else {
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result.key = C0.ESC + '[24~';
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}
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break;
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default:
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// a-z and space
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if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
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if (ev.keyCode >= 65 && ev.keyCode <= 90) {
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result.key = String.fromCharCode(ev.keyCode - 64);
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} else if (ev.keyCode === 32) {
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// NUL
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result.key = String.fromCharCode(0);
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} else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
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// escape, file sep, group sep, record sep, unit sep
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result.key = String.fromCharCode(ev.keyCode - 51 + 27);
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} else if (ev.keyCode === 56) {
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// delete
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result.key = String.fromCharCode(127);
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} else if (ev.keyCode === 219) {
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// ^[ - Control Sequence Introducer (CSI)
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result.key = String.fromCharCode(27);
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} else if (ev.keyCode === 220) {
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// ^\ - String Terminator (ST)
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result.key = String.fromCharCode(28);
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} else if (ev.keyCode === 221) {
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// ^] - Operating System Command (OSC)
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result.key = String.fromCharCode(29);
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}
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} else if ((!this.browser.isMac || this.options.macOptionIsMeta) && ev.altKey && !ev.metaKey) {
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// On macOS this is a third level shift when !macOptionIsMeta. Use <Esc> instead.
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const keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];
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const key = keyMapping && keyMapping[!ev.shiftKey ? 0 : 1];
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if (key) {
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result.key = C0.ESC + key;
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} else if (ev.keyCode >= 65 && ev.keyCode <= 90) {
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const keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;
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result.key = C0.ESC + String.fromCharCode(keyCode);
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}
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} else if (this.browser.isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {
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if (ev.keyCode === 65) { // cmd + a
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this.selectAll();
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}
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}
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break;
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}
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return result;
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}
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/**
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* Set the G level of the terminal
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* @param g
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@@ -0,0 +1,10 @@
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/**
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* Copyright (c) 2018 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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export interface IKeyboardResult {
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cancel: boolean;
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key: string;
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scrollLines: number;
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}
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@@ -0,0 +1,353 @@
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/**
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* Copyright (c) 2014 The xterm.js authors. All rights reserved.
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* Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
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* @license MIT
|
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*/
|
||||
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import { IKeyboardEvent } from '../../base/Types';
|
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import { IKeyboardResult } from '../Types';
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||||
import { C0 } from '../../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): IKeyboardResult {
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||||
const result: IKeyboardResult = {
|
||||
// Whether to cancel event propogation (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,
|
||||
// The number of characters to scroll, if this is defined it will cancel the event
|
||||
scrollLines: 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 (this.applicationCursor) {
|
||||
result.key = C0.ESC + 'OA';
|
||||
} else {
|
||||
result.key = C0.ESC + '[A';
|
||||
}
|
||||
}
|
||||
else if (ev.key === 'UIKeyInputLeftArrow') {
|
||||
if (this.applicationCursor) {
|
||||
result.key = C0.ESC + 'OD';
|
||||
} else {
|
||||
result.key = C0.ESC + '[D';
|
||||
}
|
||||
}
|
||||
else if (ev.key === 'UIKeyInputRightArrow') {
|
||||
if (this.applicationCursor) {
|
||||
result.key = C0.ESC + 'OC';
|
||||
} else {
|
||||
result.key = C0.ESC + '[C';
|
||||
}
|
||||
}
|
||||
else if (ev.key === 'UIKeyInputDownArrow') {
|
||||
if (this.applicationCursor) {
|
||||
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 (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 = (this.browser.isMac) ? C0.ESC + 'b' : C0.ESC + '[1;5D';
|
||||
}
|
||||
} else if (this.applicationCursor) {
|
||||
result.key = C0.ESC + 'OD';
|
||||
} else {
|
||||
result.key = C0.ESC + '[D';
|
||||
}
|
||||
break;
|
||||
case 39:
|
||||
// right-arrow
|
||||
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 = (this.browser.isMac) ? C0.ESC + 'f' : C0.ESC + '[1;5C';
|
||||
}
|
||||
} else if (this.applicationCursor) {
|
||||
result.key = C0.ESC + 'OC';
|
||||
} else {
|
||||
result.key = C0.ESC + '[C';
|
||||
}
|
||||
break;
|
||||
case 38:
|
||||
// up-arrow
|
||||
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
|
||||
if (result.key === C0.ESC + '[1;3A') {
|
||||
result.key = C0.ESC + '[1;5A';
|
||||
}
|
||||
} else if (this.applicationCursor) {
|
||||
result.key = C0.ESC + 'OA';
|
||||
} else {
|
||||
result.key = C0.ESC + '[A';
|
||||
}
|
||||
break;
|
||||
case 40:
|
||||
// down-arrow
|
||||
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
|
||||
if (result.key === C0.ESC + '[1;3B') {
|
||||
result.key = C0.ESC + '[1;5B';
|
||||
}
|
||||
} else if (this.applicationCursor) {
|
||||
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 (this.applicationCursor) {
|
||||
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 (this.applicationCursor) {
|
||||
result.key = C0.ESC + 'OF';
|
||||
} else {
|
||||
result.key = C0.ESC + '[F';
|
||||
}
|
||||
break;
|
||||
case 33:
|
||||
// page up
|
||||
if (ev.shiftKey) {
|
||||
result.scrollLines = -(this.rows - 1);
|
||||
} else {
|
||||
result.key = C0.ESC + '[5~';
|
||||
}
|
||||
break;
|
||||
case 34:
|
||||
// page down
|
||||
if (ev.shiftKey) {
|
||||
result.scrollLines = this.rows - 1;
|
||||
} 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) {
|
||||
// NUL
|
||||
result.key = String.fromCharCode(0);
|
||||
} 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) {
|
||||
// delete
|
||||
result.key = String.fromCharCode(127);
|
||||
} else if (ev.keyCode === 219) {
|
||||
// ^[ - Control Sequence Introducer (CSI)
|
||||
result.key = String.fromCharCode(27);
|
||||
} else if (ev.keyCode === 220) {
|
||||
// ^\ - String Terminator (ST)
|
||||
result.key = String.fromCharCode(28);
|
||||
} else if (ev.keyCode === 221) {
|
||||
// ^] - Operating System Command (OSC)
|
||||
result.key = String.fromCharCode(29);
|
||||
}
|
||||
} else if ((!this.browser.isMac || this.options.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 (this.browser.isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {
|
||||
if (ev.keyCode === 65) { // cmd + a
|
||||
this.selectAll();
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
Reference in New Issue
Block a user