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_keyDown

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This commit is contained in:
Jade (Rose) Rowland 2025-01-14 00:03:44 -05:00
parent 052addd67e
commit 570c7a0d6b
2 changed files with 17 additions and 15 deletions
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19
packages/core/signal.mjs
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@ -8,7 +8,7 @@ import { Hap } from './hap.mjs';
import { Pattern, fastcat, reify, silence, stack, register } from './pattern.mjs'; import { Pattern, fastcat, reify, silence, stack, register } from './pattern.mjs';
import Fraction from './fraction.mjs'; import Fraction from './fraction.mjs';
import { id, isKeyDown } from './util.mjs'; import { id, keyAlias, getCurrentKeyboardState } from './util.mjs';
export function steady(value) { export function steady(value) {
// A continuous value // A continuous value
@ -641,6 +641,19 @@ export const always = register('always', function (func, pat) {
return func(pat); return func(pat);
}); });
//keyname: string | Array<string>
//keyname reference: https://developer.mozilla.org/en-US/docs/Web/API/UI_Events/Keyboard_event_key_values
export function _keyDown(keyname) {
if (Array.isArray(keyname) === false) {
keyname = [keyname];
}
const keyState = getCurrentKeyboardState();
return keyname.every((x) => {
const keyName = keyAlias.get(x) ?? x;
return keyState[keyName];
});
}
/** /**
* *
* Do something on a keypress, or array of keypresses * Do something on a keypress, or array of keypresses
@ -654,7 +667,7 @@ export const always = register('always', function (func, pat) {
*/ */
export const whenKey = register('whenKey', function (input, func, pat) { export const whenKey = register('whenKey', function (input, func, pat) {
return pat.when(keyDown(input), func); return pat.when(_keyDown(input), func);
}); });
/** /**
@ -670,5 +683,5 @@ export const whenKey = register('whenKey', function (input, func, pat) {
*/ */
export const keyDown = register('keyDown', function (pat) { export const keyDown = register('keyDown', function (pat) {
return pat.fmap(isKeyDown); return pat.fmap(_keyDown);
}); });

13
packages/core/util.mjs
View File

@ -465,18 +465,7 @@ export function getCurrentKeyboardState() {
return { ...keyState }; // Return a shallow copy of the key state object return { ...keyState }; // Return a shallow copy of the key state object
} }
//keyname: string | Array<string>
//keyname reference: https://developer.mozilla.org/en-US/docs/Web/API/UI_Events/Keyboard_event_key_values
export function isKeyDown(keyname) {
if (Array.isArray(keyname) === false) {
keyname = [keyname];
}
const keyState = getCurrentKeyboardState();
return keyname.every((x) => {
const keyName = keyAlias.get(x) ?? x;
return keyState[keyName];
});
}
// Floating point versions, see Fraction for rational versions // Floating point versions, see Fraction for rational versions
// // greatest common divisor // // greatest common divisor