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[PR #3578] Try to fix unicode layout issue #25435

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opened 2026-01-31 09:09:28 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:09:28 +00:00
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Original Pull Request: https://github.com/microsoft/terminal/pull/3578

State: closed
Merged: No

Summary of the Pull Request

This could be the first of a series PRs intended to fix unicode layout issue.

References

#3546

PR Checklist

  • Closes #xxx
  • CLA signed. If not, go over here and sign the CLA
  • Tests added/passed
  • Requires documentation to be updated
  • I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

Detailed Description of the Pull Request / Additional comments

Contrary to what @reli-msft emphasize in #3546, I found that zero length Unicode codepoint handling is the key here.

I searched a little and found https://gitlab.freedesktop.org/terminal-wg/specifications/issues/9 which refers https://github.com/ridiculousfish/widecharwidth. Then I was like, oh so there's bunch of unicode codepoint that's not included in WT currently.

Handling zero-width Unicode characters makes a lot of things weird. But here's what I got so far:

图片

Would love to hear your guys' opinion on this.

Validation Steps Performed

**Original Pull Request:** https://github.com/microsoft/terminal/pull/3578 **State:** closed **Merged:** No --- <!-- Enter a brief description/summary of your PR here. What does it fix/what does it change/how was it tested (even manually, if necessary)? --> ## Summary of the Pull Request This could be the first of a series PRs intended to fix unicode layout issue. <!-- Other than the issue solved, is this relevant to any other issues/existing PRs? --> ## References #3546 <!-- Please review the items on the PR checklist before submitting--> ## PR Checklist * [ ] Closes #xxx * [X] CLA signed. If not, go over [here](https://cla.opensource.microsoft.com/microsoft/Terminal) and sign the CLA * [ ] Tests added/passed * [ ] Requires documentation to be updated * [ ] I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx <!-- Provide a more detailed description of the PR, other things fixed or any additional comments/features here --> ## Detailed Description of the Pull Request / Additional comments Contrary to what @reli-msft emphasize in #3546, I found that zero length Unicode codepoint handling is the key here. I searched a little and found https://gitlab.freedesktop.org/terminal-wg/specifications/issues/9 which refers https://github.com/ridiculousfish/widecharwidth. Then I was like, oh so there's bunch of unicode codepoint that's not included in WT currently. Handling zero-width Unicode characters makes a lot of things weird. But here's what I got so far: ![图片](https://user-images.githubusercontent.com/4710575/68852271-84f9f180-0712-11ea-9170-0d2e27d4a060.png) Would love to hear your guys' opinion on this. <!-- Describe how you validated the behavior. Add automated tests wherever possible, but list manual validation steps taken as well --> ## Validation Steps Performed
claunia added the pull-request label 2026-01-31 09:09:29 +00:00
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