119 lines
4.7 KiB
JavaScript
119 lines
4.7 KiB
JavaScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as browser from './browser.js';
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import { EVENT_KEY_CODE_MAP, KeyCodeUtils } from '../common/keyCodes.js';
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import { SimpleKeybinding } from '../common/keybindings.js';
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import * as platform from '../common/platform.js';
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function extractKeyCode(e) {
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if (e.charCode) {
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// "keypress" events mostly
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const char = String.fromCharCode(e.charCode).toUpperCase();
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return KeyCodeUtils.fromString(char);
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}
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const keyCode = e.keyCode;
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// browser quirks
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if (keyCode === 3) {
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return 7 /* KeyCode.PauseBreak */;
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}
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else if (browser.isFirefox) {
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if (keyCode === 59) {
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return 80 /* KeyCode.Semicolon */;
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}
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else if (keyCode === 107) {
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return 81 /* KeyCode.Equal */;
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}
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else if (keyCode === 109) {
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return 83 /* KeyCode.Minus */;
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}
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else if (platform.isMacintosh && keyCode === 224) {
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return 57 /* KeyCode.Meta */;
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}
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}
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else if (browser.isWebKit) {
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if (keyCode === 91) {
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return 57 /* KeyCode.Meta */;
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}
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else if (platform.isMacintosh && keyCode === 93) {
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// the two meta keys in the Mac have different key codes (91 and 93)
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return 57 /* KeyCode.Meta */;
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}
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else if (!platform.isMacintosh && keyCode === 92) {
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return 57 /* KeyCode.Meta */;
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}
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}
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// cross browser keycodes:
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return EVENT_KEY_CODE_MAP[keyCode] || 0 /* KeyCode.Unknown */;
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}
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const ctrlKeyMod = (platform.isMacintosh ? 256 /* KeyMod.WinCtrl */ : 2048 /* KeyMod.CtrlCmd */);
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const altKeyMod = 512 /* KeyMod.Alt */;
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const shiftKeyMod = 1024 /* KeyMod.Shift */;
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const metaKeyMod = (platform.isMacintosh ? 2048 /* KeyMod.CtrlCmd */ : 256 /* KeyMod.WinCtrl */);
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export class StandardKeyboardEvent {
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constructor(source) {
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this._standardKeyboardEventBrand = true;
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const e = source;
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this.browserEvent = e;
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this.target = e.target;
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this.ctrlKey = e.ctrlKey;
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this.shiftKey = e.shiftKey;
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this.altKey = e.altKey;
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this.metaKey = e.metaKey;
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this.keyCode = extractKeyCode(e);
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this.code = e.code;
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// console.info(e.type + ": keyCode: " + e.keyCode + ", which: " + e.which + ", charCode: " + e.charCode + ", detail: " + e.detail + " ====> " + this.keyCode + ' -- ' + KeyCode[this.keyCode]);
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this.ctrlKey = this.ctrlKey || this.keyCode === 5 /* KeyCode.Ctrl */;
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this.altKey = this.altKey || this.keyCode === 6 /* KeyCode.Alt */;
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this.shiftKey = this.shiftKey || this.keyCode === 4 /* KeyCode.Shift */;
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this.metaKey = this.metaKey || this.keyCode === 57 /* KeyCode.Meta */;
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this._asKeybinding = this._computeKeybinding();
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this._asRuntimeKeybinding = this._computeRuntimeKeybinding();
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// console.log(`code: ${e.code}, keyCode: ${e.keyCode}, key: ${e.key}`);
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}
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preventDefault() {
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if (this.browserEvent && this.browserEvent.preventDefault) {
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this.browserEvent.preventDefault();
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}
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}
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stopPropagation() {
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if (this.browserEvent && this.browserEvent.stopPropagation) {
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this.browserEvent.stopPropagation();
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}
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}
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toKeybinding() {
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return this._asRuntimeKeybinding;
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}
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equals(other) {
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return this._asKeybinding === other;
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}
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_computeKeybinding() {
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let key = 0 /* KeyCode.Unknown */;
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if (this.keyCode !== 5 /* KeyCode.Ctrl */ && this.keyCode !== 4 /* KeyCode.Shift */ && this.keyCode !== 6 /* KeyCode.Alt */ && this.keyCode !== 57 /* KeyCode.Meta */) {
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key = this.keyCode;
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}
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let result = 0;
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if (this.ctrlKey) {
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result |= ctrlKeyMod;
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}
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if (this.altKey) {
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result |= altKeyMod;
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}
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if (this.shiftKey) {
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result |= shiftKeyMod;
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}
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if (this.metaKey) {
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result |= metaKeyMod;
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}
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result |= key;
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return result;
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}
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_computeRuntimeKeybinding() {
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let key = 0 /* KeyCode.Unknown */;
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if (this.keyCode !== 5 /* KeyCode.Ctrl */ && this.keyCode !== 4 /* KeyCode.Shift */ && this.keyCode !== 6 /* KeyCode.Alt */ && this.keyCode !== 57 /* KeyCode.Meta */) {
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key = this.keyCode;
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}
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return new SimpleKeybinding(this.ctrlKey, this.shiftKey, this.altKey, this.metaKey, key);
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}
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}
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