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自訂 PTT 終端機（term.ptt.cc）的配色與背景圖
// ==UserScript==
// @name PTT Term Theme
// @namespace GitHub:Mystic0428
// @version 1.2.0
// @description 自訂 PTT 終端機（term.ptt.cc）的配色與背景圖
// @author GitHub:Mystic0428
// @match https://term.ptt.cc/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=ptt.cc
// @grant none
// @license MIT
// ==/UserScript==
(function () {
'use strict';
// ==================== 預設值 ====================
const DEFAULTS = {
bodyBg: '#46525e',
colorQ7: '#ffffff',
colorQ3: '#fdff00',
imageSrc: 'https://i.imgur.com/s1tMBrr.jpg',
};
const STYLE_ID = 'ptm-style';
const STORAGE_KEY = 'ptt-term-theme:v1';
const PANEL_STYLE_ID = 'ptm-panel-style';
// ==================== 模組狀態 ====================
let state;
let panelEl = null;
let panelOpen = false;
const fields = {}; // { bodyBg, colorQ7, colorQ3, imageSrc } → input 元素
// ==================== 儲存 ====================
function load() {
const raw = localStorage.getItem(STORAGE_KEY);
if (!raw) return { ...DEFAULTS };
try {
const parsed = JSON.parse(raw);
const clean = { ...DEFAULTS };
for (const k of Object.keys(DEFAULTS)) {
if (typeof parsed[k] === typeof DEFAULTS[k]) {
clean[k] = parsed[k];
}
}
return clean;
} catch (e) {
try {
localStorage.setItem(STORAGE_KEY, JSON.stringify({ ...DEFAULTS }));
} catch (_) { /* recovery write best-effort */ }
return { ...DEFAULTS };
}
}
function save(state) {
try {
localStorage.setItem(STORAGE_KEY, JSON.stringify(state));
} catch (e) {
alert('儲存失敗，可能是瀏覽器儲存空間已滿');
}
}
// ==================== 樣式套用 ====================
function buildCss(state) {
const img = state.imageSrc.replace(/["\\]/g, '\\$&');
return `
.q7 { color: ${state.colorQ7}; }
.q3 { color: ${state.colorQ3}; }
#easyReadingLastRow,
#easyReadingReplyRow,
.main {
background: url("${img}") center / 100% no-repeat;
}
body { background-color: ${state.bodyBg}; }
`;
}
function apply(state) {
let style = document.getElementById(STYLE_ID);
if (!style) {
style = document.createElement('style');
style.id = STYLE_ID;
document.head.appendChild(style);
}
style.textContent = buildCss(state);
}
// ==================== 面板 UI ====================
function injectPanelStyles() {
if (document.getElementById(PANEL_STYLE_ID)) return;
const s = document.createElement('style');
s.id = PANEL_STYLE_ID;
s.textContent = `
.ptm-gear {
position: fixed;
top: 12px;
right: 12px;
width: 28px;
height: 28px;
border-radius: 50%;
border: none;
background: #333;
color: #fff;
font-size: 16px;
line-height: 28px;
padding: 0;
cursor: pointer;
opacity: 0.3;
transition: opacity 0.2s;
z-index: 999999;
}
.ptm-gear:hover { opacity: 1; }
.ptm-panel {
position: fixed;
top: 48px;
right: 12px;
width: 260px;
background: #2a2a2a;
color: #fff;
border-radius: 6px;
box-shadow: 0 4px 12px rgba(0,0,0,0.3);
padding: 14px 16px;
z-index: 999999;
font-family: sans-serif;
font-size: 13px;
box-sizing: border-box;
}
.ptm-field {
margin-bottom: 10px;
display: flex;
align-items: center;
justify-content: space-between;
gap: 8px;
}
.ptm-field-stacked {
flex-direction: column;
align-items: stretch;
}
.ptm-field label { flex: 1; }
.ptm-field input[type="color"] {
width: 48px;
height: 26px;
border: none;
background: none;
padding: 0;
cursor: pointer;
}
.ptm-field input[type="text"] {
width: 100%;
margin-top: 4px;
padding: 4px 6px;
box-sizing: border-box;
background: #1a1a1a;
color: #fff;
border: 1px solid #555;
border-radius: 3px;
font-family: monospace;
font-size: 12px;
}
.ptm-upload-btn {
margin-top: 6px;
padding: 4px 8px;
background: #555;
color: #fff;
border: none;
border-radius: 3px;
cursor: pointer;
font-size: 12px;
}
.ptm-upload-btn:hover { background: #666; }
.ptm-reset-btn {
margin-top: 10px;
padding: 5px 10px;
background: transparent;
color: #ff6b6b;
border: 1px solid #ff6b6b;
border-radius: 3px;
cursor: pointer;
float: right;
font-size: 12px;
}
.ptm-reset-btn:hover { background: rgba(255,107,107,0.15); }
`;
document.head.appendChild(s);
}
function buildGear() {
const btn = document.createElement('button');
btn.type = 'button';
btn.className = 'ptm-gear';
btn.setAttribute('aria-label', '自訂外觀');
btn.textContent = '⚙';
btn.addEventListener('click', (e) => {
e.stopPropagation();
togglePanel();
});
return btn;
}
function buildColorField(labelText, key) {
const row = document.createElement('div');
row.className = 'ptm-field';
const label = document.createElement('label');
label.textContent = labelText;
const input = document.createElement('input');
input.type = 'color';
input.value = state[key];
input.addEventListener('input', () => {
state[key] = input.value;
save(state);
apply(state);
});
fields[key] = input;
row.appendChild(label);
row.appendChild(input);
return row;
}
function buildUrlField() {
const row = document.createElement('div');
row.className = 'ptm-field ptm-field-stacked';
const label = document.createElement('label');
label.textContent = '背景圖 URL';
const input = document.createElement('input');
input.type = 'text';
input.value = state.imageSrc;
input.addEventListener('input', () => {
state.imageSrc = input.value;
save(state);
apply(state);
});
fields.imageSrc = input;
const uploadBtn = document.createElement('button');
uploadBtn.type = 'button';
uploadBtn.className = 'ptm-upload-btn';
uploadBtn.textContent = '本地上傳';
const fileInput = document.createElement('input');
fileInput.type = 'file';
fileInput.accept = 'image/*';
fileInput.style.display = 'none';
uploadBtn.addEventListener('click', () => fileInput.click());
fileInput.addEventListener('change', () => {
const file = fileInput.files[0];
if (!file) return;
const MB = 1024 * 1024;
if (file.size > 4 * MB) {
alert('圖片過大（> 4MB），請壓縮後再試');
fileInput.value = '';
return;
}
if (file.size > 2 * MB) {
alert('圖片較大，存檔可能受限');
}
const reader = new FileReader();
reader.onload = () => {
const dataUri = reader.result;
input.value = dataUri;
state.imageSrc = dataUri;
save(state);
apply(state);
};
reader.onerror = () => {
alert('讀取檔案失敗，請重試');
};
reader.readAsDataURL(file);
fileInput.value = '';
});
row.appendChild(label);
row.appendChild(input);
row.appendChild(uploadBtn);
row.appendChild(fileInput);
return row;
}
function buildResetButton() {
const btn = document.createElement('button');
btn.type = 'button';
btn.className = 'ptm-reset-btn';
btn.textContent = '恢復預設';
btn.addEventListener('click', () => {
if (!confirm('確定要恢復預設樣式？')) return;
localStorage.removeItem(STORAGE_KEY);
state = { ...DEFAULTS };
Object.entries(DEFAULTS).forEach(([k, v]) => {
if (fields[k]) fields[k].value = v;
});
apply(state);
});
return btn;
}
function buildPanel() {
const panel = document.createElement('div');
panel.className = 'ptm-panel';
panel.style.display = 'none';
panel.addEventListener('click', (e) => e.stopPropagation());
panel.appendChild(buildColorField('主要底色', 'bodyBg'));
panel.appendChild(buildColorField('白字顏色（.q7）', 'colorQ7'));
panel.appendChild(buildColorField('黃字顏色（.q3）', 'colorQ3'));
panel.appendChild(buildUrlField());
panel.appendChild(buildResetButton());
return panel;
}
function togglePanel() {
panelOpen = !panelOpen;
panelEl.style.display = panelOpen ? 'block' : 'none';
}
function setupPanel() {
injectPanelStyles();
const gear = buildGear();
panelEl = buildPanel();
document.body.appendChild(gear);
document.body.appendChild(panelEl);
document.addEventListener('click', () => {
if (panelOpen) togglePanel();
});
}
// ==================== 初始化 ====================
state = load();
apply(state);
setupPanel();
})();