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Little Outliner - body text moves as 'breadcrumb' path wraps to extra lines

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还没有人认领这个 Issue。

评估

难度
5/5
预计耗时
一周以上
新手友好度
25/100
Issue 类型
缺陷
描述清晰度
需要澄清
活跃度
停滞
技术栈
javascript
领域
frontend

调研方向

No file, test, or entry point is identified. Start by reproducing the attached GIF behavior in Little Outliner while navigating with the mouse, then trace the outline display library and browser wrapping behavior; done means the body text no longer jumps unpredictably as the breadcrumb path changes.

由索引模型根据 Issue 内容生成。

描述

When navigating an outline with the mouse, it can be hard to consistently target the correct level on the first click since the body text moves to accommodate the changing size of the 'breadcrumb' header.

See attached animated gif (mirror) for an example:
ezgif-5-49adf87800

If you are several pages down in the outline, the cause is not even necessarily obvious to the user; they just notice that their text keeps jumping around while they navigate.

This is likely not specific to LO, but to the underlining outline display library (of which I can't remember the name at this moment)


I'm not sure what the best fix would be (and I have no idea how much information JS has about how the browser is wrapping lines of text).

Brainstorming:

  1. If the outline position changed due to the mouse and it is necessary to change the number of lines of the heading, delay updating the heading for some period of time (e.g. 0.5-3 seconds)
  2. Always reserve at least 2(?) lines of space for the heading as long as the window is at least a certain size
  3. Truncate to a single line
主要语言
HTML
星标
134
派生
10
PR 合并指标
30 天内没有已合并 PR

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  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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