Files
better-xcloud/src/modules/mkb/key-helper.ts
2024-06-21 17:45:43 +07:00

68 lines
2.0 KiB
TypeScript

import { MouseButtonCode, WheelCode } from "@enums/mkb";
export class KeyHelper {
static #NON_PRINTABLE_KEYS = {
'Backquote': '`',
// Mouse buttons
[MouseButtonCode.LEFT_CLICK]: 'Left Click',
[MouseButtonCode.RIGHT_CLICK]: 'Right Click',
[MouseButtonCode.MIDDLE_CLICK]: 'Middle Click',
[WheelCode.SCROLL_UP]: 'Scroll Up',
[WheelCode.SCROLL_DOWN]: 'Scroll Down',
[WheelCode.SCROLL_LEFT]: 'Scroll Left',
[WheelCode.SCROLL_RIGHT]: 'Scroll Right',
};
static getKeyFromEvent(e: Event) {
let code;
let name;
if (e instanceof KeyboardEvent) {
code = e.code || e.key;
} else if (e instanceof WheelEvent) {
if (e.deltaY < 0) {
code = WheelCode.SCROLL_UP;
} else if (e.deltaY > 0) {
code = WheelCode.SCROLL_DOWN;
} else if (e.deltaX < 0) {
code = WheelCode.SCROLL_LEFT;
} else if (e.deltaX > 0) {
code = WheelCode.SCROLL_RIGHT;
}
} else if (e instanceof MouseEvent) {
code = 'Mouse' + e.button;
}
if (code) {
name = KeyHelper.codeToKeyName(code);
}
return code ? {code, name} : null;
}
static codeToKeyName(code: string) {
return (
// @ts-ignore
KeyHelper.#NON_PRINTABLE_KEYS[code]
||
(code.startsWith('Key') && code.substring(3))
||
(code.startsWith('Digit') && code.substring(5))
||
(code.startsWith('Numpad') && ('Numpad ' + code.substring(6)))
||
(code.startsWith('Arrow') && ('Arrow ' + code.substring(5)))
||
(code.endsWith('Lock') && (code.replace('Lock', ' Lock')))
||
(code.endsWith('Left') && ('Left ' + code.replace('Left', '')))
||
(code.endsWith('Right') && ('Right ' + code.replace('Right', '')))
||
code
);
}
}