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Add support for dark and light theme.

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This commit is contained in:
raldone01
2025-07-05 19:42:44 +02:00
parent bc13c80c63
commit e11047f003
3 changed files with 128 additions and 2 deletions
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55
examples/device/webusb_serial/website/application.js
View File

@@ -2,6 +2,9 @@
(async () => {
// bind to the html
const uiBody = document.body;
const uiToggleThemeBtn = document.getElementById('theme-toggle');
const uiConnectWebUsbSerialBtn = document.getElementById('connect_webusb_serial_btn');
const uiConnectSerialBtn = document.getElementById('connect_serial_btn');
const uiDisconnectBtn = document.getElementById('disconnect_btn');
@@ -27,7 +30,9 @@
const uiNearTheBottomThreshold = 100; // pixels from the bottom to trigger scroll
const maxCommandHistoryLength = 123; // max number of command history entries
const maxReceivedDataLength = 8192/8; // max number of received data entries
const maxReceivedDataLength = 8192 / 8; // max number of received data entries
const THEME_STATES = ['auto', 'light', 'dark'];
class CommandHistoryEntry {
constructor(text) {
@@ -59,6 +64,16 @@
this.receivedData = [];
// bind the UI elements
uiToggleThemeBtn.addEventListener('click', () => this.toggleTheme());
// Listener for OS Theme Changes
window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', (e) => {
const currentPreference = localStorage.getItem('theme') || 'auto';
// Only act if the user is in automatic mode
if (currentPreference === 'auto') {
this.setTheme('auto');
}
});
uiConnectWebUsbSerialBtn.addEventListener('click', () => this.connectWebUsbSerialPort());
uiConnectSerialBtn.addEventListener('click', () => this.connectSerialPort());
uiDisconnectBtn.addEventListener('click', () => this.disconnectPort());
@@ -88,6 +103,12 @@
}
restoreState() {
// Restore theme choice
const savedTheme = localStorage.getItem('theme');
if (savedTheme) {
this.setTheme(savedTheme);
}
// Restore command history
let savedCommandHistory = JSON.parse(localStorage.getItem('commandHistory') || '[]');
for (const cmd of savedCommandHistory) {
@@ -112,6 +133,38 @@
}
}
setTheme(theme) {
const modeName = theme.charAt(0).toUpperCase() + theme.slice(1);
uiToggleThemeBtn.textContent = `Theme: ${modeName}`;
if (theme === 'auto') {
// In auto mode, we rely on the OS preference.
// We check the media query and add/remove the class accordingly.
const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
if (prefersDark) {
uiBody.classList.add('dark-mode');
} else {
uiBody.classList.remove('dark-mode');
}
} else if (theme === 'light') {
// Force light mode by removing the class.
uiBody.classList.remove('dark-mode');
} else if (theme === 'dark') {
// Force dark mode by adding the class.
uiBody.classList.add('dark-mode');
}
// Save the theme to localStorage
localStorage.setItem('theme', theme);
}
toggleTheme() {
const currentTheme = localStorage.getItem('theme') || 'auto';
const nextThemeIndex = (THEME_STATES.indexOf(currentTheme) + 1) % THEME_STATES.length;
const nextTheme = THEME_STATES[nextThemeIndex];
this.setTheme(nextTheme);
}
appendCommandToHistory(commandHistoryEntry) {
const wasNearBottom = uiCommandHistoryScrollbox.scrollHeight - uiCommandHistoryScrollbox.scrollTop <= uiCommandHistoryScrollbox.clientHeight + uiNearTheBottomThreshold;

3
examples/device/webusb_serial/website/index.html
View File

@@ -13,7 +13,8 @@
<body>
<header class="header">
<h1 class="title">TinyUSB - WebUSB Serial</h1>
<h1 class="app-title">TinyUSB - WebUSB Serial</h1>
<button id="theme-toggle" class="btn btn-theme">Theme: Auto</button>
<a class="github-link" href="https://github.com/hathach/tinyusb/tree/master/examples/device/webusb_serial/website"
target="_blank">
Find my source on GitHub

72
examples/device/webusb_serial/website/style.css
View File

@@ -25,6 +25,7 @@ body {
justify-content: space-between;
align-items: center;
padding: 0.5em 1em;
gap: 1em;
flex-shrink: 0;
}
@@ -33,6 +34,15 @@ h2 {
margin: 0;
}
.app-title {
flex-grow: 1;
}
.btn-theme {
background-color: #6b6b6b;
color: #fff;
}
.github-link {
font-weight: 600;
}
@@ -198,3 +208,65 @@ main {
cursor: col-resize;
height: 100%;
}
/*
================================
Togglable Dark Mode
================================
*/
/* This class will be added to the body element by JavaScript */
body.dark-mode {
/* Invert base background and text colors */
background: #1e1e1e;
color: #d4d4d4;
}
body.dark-mode .btn-theme {
background-color: #b0b0b0;
color: #000;
}
body.dark-mode .github-link {
color: #58a6ff;
}
body.dark-mode .resizer {
background-color: #444;
}
body.dark-mode .input {
background-color: #3c3c3c;
color: #f0f0f0;
border: 2px solid #555;
}
body.dark-mode .input::placeholder {
color: #888;
}
body.dark-mode .input:focus {
background-color: #2a2d2e;
border-color: #0078d7;
}
body.dark-mode .scrollbox {
background-color: #252526;
border: 1px solid #444;
}
body.dark-mode .monospaced {
color: #d4d4d4;
}
body.dark-mode .command-history-entry {
border-bottom: 1px solid #444;
}
body.dark-mode .command-history-entry:hover {
background-color: #3c3c3c;
}
body.dark-mode .send-mode-command {
background-color: #555;
color: #f5f5f5;
}