阻止claude输入发送

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阻止claude输入发送

解决在输入法状态下按Enter键导致消息直接发送的问题;Solve the problem that pressing the Enter key in the input method state causes the message to be sent directly.
当前为 2025-04-13 提交的版本，查看最新版本。
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// ==UserScript==
// @name        阻止claude输入发送
// @description 解决在输入法状态下按Enter键导致消息直接发送的问题;Solve the problem that pressing the Enter key in the input method state causes the message to be sent directly.
// @match       https://claude.ai/*
// @author       sinoftj
// @version      1.0.
// @namespace http://greasyfork.icu/users/1457414
// ==/UserScript==

(function() {
    'use strict';
    
    // 输入法状态追踪
    let imeActive = false;
    let lastImeEndTime = 0;
    const IME_BUFFER_TIME = 100; // 输入法结束后的缓冲时间(毫秒)
    
    // 检查是否处于输入法状态
    function isInImeContext(e) {
        return imeActive || 
               e.isComposing || 
               e.keyCode === 229 || 
               (Date.now() - lastImeEndTime < IME_BUFFER_TIME);
    }
    
    // 处理输入法事件
    document.addEventListener('compositionstart', function() {
        imeActive = true;
    }, true);
    
    document.addEventListener('compositionend', function() {
        lastImeEndTime = Date.now();
        setTimeout(() => { imeActive = false; }, IME_BUFFER_TIME);
    }, true);
    
    // 拦截Enter键事件
    document.addEventListener('keydown', function(e) {
        if ((e.key === 'Enter' || e.keyCode === 13) && isInImeContext(e)) {
            e.stopImmediatePropagation();
            e.preventDefault();
            return false;
        }
    }, true);
    
    // 备份保护：keypress事件拦截
    document.addEventListener('keypress', function(e) {
        if ((e.key === 'Enter' || e.keyCode === 13) && isInImeContext(e)) {
            e.stopImmediatePropagation();
            e.preventDefault();
            return false;
        }
    }, true);
    
    // 处理输入框元素
    function protectInputElement(input) {
        const originalKeyDown = input.onkeydown;
        input.onkeydown = function(e) {
            if ((e.key === 'Enter' || e.keyCode === 13) && isInImeContext(e)) {
                e.stopPropagation();
                e.preventDefault();
                return false;
            }
            if (originalKeyDown) return originalKeyDown.call(this, e);
        };
    }
    
    // 页面加载后处理现有输入框
    window.addEventListener('load', function() {
        setTimeout(() => {
            document.querySelectorAll('textarea, input[type="text"]').forEach(protectInputElement);
            
            // 监控DOM变化，处理新添加的输入框
            if (window.MutationObserver) {
                const observer = new MutationObserver((mutations) => {
                    mutations.forEach((mutation) => {
                        if (mutation.addedNodes && mutation.addedNodes.length > 0) {
                            mutation.addedNodes.forEach((node) => {
                                if (node.nodeType === 1) {
                                    if (node.tagName === 'TEXTAREA' || 
                                        (node.tagName === 'INPUT' && node.type === 'text')) {
                                        protectInputElement(node);
                                    }
                                    
                                    const inputs = node.querySelectorAll ? 
                                        node.querySelectorAll('textarea, input[type="text"]') : [];
                                    if (inputs.length > 0) {
                                        inputs.forEach(protectInputElement);
                                    }
                                }
                            });
                        }
                    });
                });
                
                observer.observe(document.body, {
                    childList: true,
                    subtree: true
                });
            }
        }, 1000);
    });
})();