ant-design/ant-design

Mentions: unexpected behavior with max-height and scroll

Open

#41,654 建立於 2023年4月5日

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 (3 留言) (0 反應) (0 負責人)TypeScript (98,031 star) (54,612 fork)batch import
Inactivehelp wanted🐛 Bug

描述

Reproduction link

https://stackblitz.com/edit/react-xhqjdv?file=demo.tsx,index.css

Steps to reproduce

  1. add a max-height on the textarea (already done in the reproduction link)
  2. add enough text to enable the scroll in the textarea
  3. trigger the suggestion panel by typing "@"
  4. scroll up

antd-bug

What is expected?

Have the suggestion panel to stay at same place where it has been triggered, but automatically hides when scrolling up (the same way Facebook is using it)

facebook-scroll

What is actually happening?

stay at same place where it has been triggered but stays visible

Environment Info
antd 5.4.0
React 17.0.4
System macOS 13.3
Browser Chome 111.0.5563.146

貢獻者指南

技術棧
reacttypescriptcsshtml
領域
frontend
議題類型
bug
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
1-3 hours
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
Reactant design Mentions componentCSS positioning
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
50
研究方向
Investigate the Mentions component in ant design (likely in components/mentions). The issue is that the suggestion panel stays visible when the textarea scrolls, but should hide. Look at how the panel's position is calculated and if it listens to scroll events on the textarea. Check if there is an existing scroll listener that needs to hide the panel. The expected behavior is similar to Facebook's mentions. Consider adding a scroll event handler within the 'onPopupVisibleChange' or directly in the component.