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Gemini 代码块滚动增强：标题居中、状态跟随、自动历史补全、双击展开。
// ==UserScript==
// @name Gemini Code Block Scroller (v2.0)
// @namespace http://tampermonkey.net/
// @version 2.0.0
// @description Gemini 代码块滚动增强：标题居中、状态跟随、自动历史补全、双击展开。
// @author Gemini User
// @match https://gemini.google.com/*
// @grant GM_addStyle
// @run-at document-idle
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// ================= 配置区域 =================
const CONFIG = {
maxHeight: '300px', // 限制高度
transitionTime: '0.2s', // 动画速度
statusText: {
generating: '⏳ 生成中...',
done: '✅ 代码生成完毕'
}
};
// 1. 注入样式
GM_addStyle(`
/* 核心滚动样式 */
.code-block .formatted-code-block-internal-container pre {
max-height: ${CONFIG.maxHeight} !important;
overflow-y: auto !important;
display: block !important;
cursor: zoom-in !important;
transition: max-height ${CONFIG.transitionTime} ease-out;
padding-bottom: 20px !important;
border-bottom: 2px solid rgba(138, 180, 248, 0.1);
}
.code-block .formatted-code-block-internal-container pre.gm-expanded {
max-height: none !important;
cursor: zoom-out !important;
}
/* === 布局核心样式 === */
/* 1. 状态标签样式 */
.gm-status-badge {
font-size: 12px;
padding: 2px 8px;
border-radius: 12px;
/* 关键布局：把右边的按钮组狠狠推到最右边 */
margin-right: auto !important;
/* 和左边的语言标签保持距离 */
margin-left: 10px !important;
font-family: "Google Sans", Roboto, sans-serif;
font-weight: 500;
z-index: 999;
display: inline-flex;
align-items: center;
white-space: nowrap;
height: 24px;
}
/* 2. 语言标签样式 (JS动态添加此类名) */
/* 作用：把左边的红绿灯/空白狠狠推到最左边 */
.gm-lang-label-centered {
margin-left: auto !important;
}
.gm-status-badge.generating {
background-color: rgba(253, 214, 99, 0.15);
color: #fdd663;
border: 1px solid rgba(253, 214, 99, 0.3);
animation: pulse 1.5s infinite;
}
.gm-status-badge.done {
background-color: rgba(129, 201, 149, 0.15);
color: #81c995;
border: 1px solid rgba(129, 201, 149, 0.3);
}
@keyframes pulse {
0% { opacity: 0.6; }
50% { opacity: 1; }
100% { opacity: 0.6; }
}
`);
// 2. 双击交互
document.addEventListener('dblclick', function(e) {
const preBlock = e.target.closest('.formatted-code-block-internal-container pre');
if (preBlock) {
e.preventDefault();
window.getSelection()?.removeAllRanges();
preBlock.classList.toggle('gm-expanded');
}
});
// 3. 智能检测与布局修正
setInterval(() => {
fixAllBlocks();
}, 500);
function checkIsGenerating() {
const buttons = Array.from(document.querySelectorAll('button[aria-label]'));
const stopBtn = buttons.find(btn => {
const label = btn.getAttribute('aria-label');
const hasStop = label.includes('Stop') || label.includes('停止');
const isMedia = label.includes('朗读') || label.includes('收听') || label.includes('播放') || label.includes('Read') || label.includes('Listen');
return hasStop && !isMedia;
});
return !!stopBtn;
}
function fixAllBlocks() {
const allBlocks = document.querySelectorAll('.code-block');
if (allBlocks.length === 0) return;
const isGenerating = checkIsGenerating();
allBlocks.forEach((block, index) => {
const isLast = index === allBlocks.length - 1;
const status = (isGenerating && isLast) ? 'generating' : 'done';
ensureBadgeAndLayout(block, status);
});
}
function ensureBadgeAndLayout(block, statusType) {
let header = block.querySelector('.code-block-decoration');
if (!header) header = block.querySelector('div:first-child');
if (!header) return;
// === 步骤1：处理语言标签居中 ===
// 查找语言标签 (通常是 span)
const langSpan = header.querySelector('span');
if (langSpan && !langSpan.classList.contains('gm-lang-label-centered')) {
langSpan.classList.add('gm-lang-label-centered');
}
// === 步骤2：处理状态徽章 ===
let badge = header.querySelector('.gm-status-badge');
const targetText = statusType === 'generating' ? CONFIG.statusText.generating : CONFIG.statusText.done;
if (!badge) {
badge = document.createElement('span');
badge.className = 'gm-status-badge ' + statusType;
badge.textContent = targetText;
// 插入逻辑：紧跟在语言标签后面
if (langSpan) {
// 插在 span 后面，这样它们就形成了一个中间的组
// header.insertBefore(badge, langSpan.nextSibling);
// 为了保险，如果 span 后面有东西，插在它前面；如果没东西，appendChild
if (langSpan.nextSibling) {
header.insertBefore(badge, langSpan.nextSibling);
} else {
header.appendChild(badge);
}
} else {
// 找不到 span？那只能插在最前面凑合一下
header.appendChild(badge);
}
}
else if (badge.textContent !== targetText || !badge.classList.contains(statusType)) {
badge.className = 'gm-status-badge ' + statusType;
badge.textContent = targetText;
}
}
console.log('Gemini Scroller v2.4: 居中布局版已启动');
})();