Function setupInputBoxTranslation

entrypoints/content.ts:656–738

* 输入框翻译功能

()

 * 输入框翻译功能
 */
function setupInputBoxTranslation() {
    let keyPressCount = 0;
    let keyPressTimer: NodeJS.Timeout | null = null;
    let lastTriggerKey = '';
    const TRIPLE_KEY_TIMEOUT = 1000; // 1秒内连续按三下才生效
    
    // 监听键盘事件
    document.addEventListener('keydown', async (event) => {
        // 检查功能是否启用
        if (config.inputBoxTranslationTrigger === 'disabled') {
            return;
        }
        
        // 检查当前焦点元素是否为输入框
        const activeElement = document.activeElement as HTMLElement;
        if (!isInputElement(activeElement)) {
            return;
        }
        
        // 处理不同的触发方式
        const triggerType = config.inputBoxTranslationTrigger;
        
        if (triggerType === 'ctrl_enter') {
            // Ctrl+Enter 触发
            if (event.ctrlKey && event.key === 'Enter') {
                event.preventDefault();
                await handleInputBoxTranslation(activeElement);
                return;
            }
        } else if (triggerType === 'triple_space' || triggerType === 'triple_equal' || triggerType === 'triple_dash') {
            // 连按三次触发
            let targetKey = '';
            switch (triggerType) {
                case 'triple_space':
                    targetKey = ' ';
                    break;
                case 'triple_equal':
                    targetKey = '=';
                    break;
                case 'triple_dash':
                    targetKey = '-';
                    break;
            }
            
            // 只响应目标按键
            if (event.key !== targetKey) {
                // 如果按的不是目标键，重置计数器
                keyPressCount = 0;
                lastTriggerKey = '';
                if (keyPressTimer) {
                    clearTimeout(keyPressTimer);
                    keyPressTimer = null;
                }
                return;
            }
            
            // 检查是否是同一个按键的连续按下
            if (lastTriggerKey !== targetKey) {