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add some checks to int_to_bytes; use const in accessibility.js

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NaitLee 2024-02-22 01:13:33 +08:00
parent 2ff61f7b8d
commit e976b0d6e6
2 changed files with 18 additions and 11 deletions
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7
printer_lib/commander.py
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@ -46,6 +46,13 @@ def reverse_bits(i: int):
return ((i & 0b11110000) >> 4) | ((i & 0b00001111) << 4)
def int_to_bytes(i: int, length=1, big_endian=False) -> bytes:
max_value = (1 << (length * 8)) - 1
if type(i) is not int:
raise f'int_to_bytes: not int: {i}'
if i < 0:
raise f'int_to_bytes: {i} < 0'
if i > max_value:
raise f'int_to_bytes: {i} > {max_value}'
b = bytearray(length)
p = 0
while i != 0:

22
www/accessibility.js
View File

@ -7,11 +7,11 @@ License CC0-1.0-only: https://directory.fsf.org/wiki/License:CC0
'use strict';
function isHidden(element) {
let parents = [element];
const parents = [element];
while (parents[0].parentElement)
parents.unshift(parents[0].parentElement);
return parents.some(e => {
let rect = e.getBoundingClientRect();
const rect = e.getBoundingClientRect();
return (
e.classList.contains('hidden') ||
e.classList.contains('hard-hidden') ||
@ -65,11 +65,11 @@ function initKeyboardShortcuts() {
inputs = Array.from(document.querySelectorAll('*[data-key]'));
else inputs = Array.from(document.querySelectorAll('#dialog *[data-key]'));
/** @type {{ [key: string]: HTMLInputElement | HTMLSelectElement | HTMLTextAreaElement }} */
let keys2 = keys.split('');
const keys2 = keys.split('');
shortcuts = {};
if (focusing) shortcuts = { 'ESC': focus };
else
for (let input of inputs) {
for (const input of inputs) {
if (isHidden(input)) continue;
key = input.getAttribute('data-key');
if ((index = keys2.indexOf(key)) !== -1) keys2.splice(index, 1);
@ -78,15 +78,15 @@ function initKeyboardShortcuts() {
}
// Array.from(layer.children).forEach(e => e.remove());
for (let i = layer.children.length; i <= inputs.length; i++) {
let span = document.createElement('span');
const span = document.createElement('span');
layer.appendChild(span);
}
index = 0;
for (key in shortcuts) {
let span = layer.children[index++];
let input = shortcuts[key];
let position = input.getBoundingClientRect();
let text = i18n(keyToLetter(key.toUpperCase()));
const span = layer.children[index++];
const input = shortcuts[key];
const position = input.getBoundingClientRect();
const text = i18n(keyToLetter(key.toUpperCase()));
if (span.innerText !== text) span.innerText = text;
span.style.top = (position.y || position.top) + 'px';
span.style.left = (position.x || position.left) + 'px';
@ -99,7 +99,7 @@ function initKeyboardShortcuts() {
const start = () => setInterval(mark_keys, 1000);
const types_to_click = ['submit', 'file', 'checkbox', 'radio', 'A'];
document.body.addEventListener('keyup', (event) => {
let key = event.key || keyFromCode(event.keyCode);
const key = event.key || keyFromCode(event.keyCode);
if (!started) {
if (key !== 'Tab') return;
mark_keys();
@ -107,7 +107,7 @@ function initKeyboardShortcuts() {
started = true;
}
requestAnimationFrame(mark_keys)
let input = shortcuts[key];
const input = shortcuts[key];
if (input) {
if (types_to_click.includes(input.type || input.tagName))
input.dispatchEvent(new MouseEvent(event.shiftKey ? 'contextmenu' : 'click'));