macvim-dev / macvim-dev/macvim

Buffer scrambles on mouse scroll

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#852 10 comments 0 reactions 0 assignees View on GitHub

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Vim Script
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Description

Hello,

I'm not sure what the proper term is here, but after the latest update (8.1.873), my buffers frequently "scramble" when I use my mouse wheel to scroll. Screenshot attached.

Any tips? Thanks!

macvim

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the reported buffer scrambling in MacVim 8.1.873 while using mouse-wheel scrolling, using the attached screenshot as the symptom reference. Compare the behavior with the prior update; done means the regression is fixed and scrolling no longer scrambles buffers.

Written by the indexing model from the issue text.

Assessment

Tech stack
macos, vim
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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