fix: 修复标签预览弹窗位置溢出视口的问题
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@ -1432,28 +1432,44 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
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const previewHeight = 280; // 预估高度
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const padding = 16;
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// 获取聊天面板的边界(弹窗应该在面板内显示)
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const viewportWidth = typeof window !== 'undefined' ? window.innerWidth : 800;
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const viewportHeight = typeof window !== 'undefined' ? window.innerHeight : 600;
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// 水平位置:居中对齐标签,但确保不超出左右边界
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let left = tagPreview.x - previewWidth / 2;
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// 确保不超出左边界
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if (left < padding) left = padding;
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if (left + previewWidth > window.innerWidth - padding) {
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left = window.innerWidth - previewWidth - padding;
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// 确保不超出右边界(考虑弹窗宽度)
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if (left + previewWidth > viewportWidth - padding) {
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left = viewportWidth - previewWidth - padding;
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}
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// 垂直位置:显示在标签上方
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// 垂直位置:优先显示在标签上方
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let top = tagPreview.y - previewHeight - 12;
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// 如果上方空间不够(弹窗会超出顶部),显示在标签下方
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if (top < padding) {
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// 如果上方空间不够,显示在标签下方
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top = tagPreview.y + 30;
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}
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// 再次检查:如果下方也会超出底部,则尽量靠近底部显示
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if (top + previewHeight > viewportHeight - padding) {
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top = viewportHeight - previewHeight - padding;
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}
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// 最终确保 top 不为负数
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if (top < padding) top = padding;
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return (
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<div
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data-tag-preview="true"
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className="fixed z-[10001] bg-white dark:bg-zinc-900 rounded-xl shadow-2xl border border-border/50 overflow-hidden animate-in fade-in zoom-in-95 duration-150"
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style={{
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left: left,
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top: top,
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left: Math.max(padding, Math.min(left, viewportWidth - previewWidth - padding)),
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top: Math.max(padding, Math.min(top, viewportHeight - previewHeight - padding)),
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width: previewWidth,
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maxHeight: viewportHeight - padding * 2,
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}}
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onMouseEnter={() => {
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// 鼠标进入预览弹窗,取消隐藏
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