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[PR #3721] Fix fullscreen after maximize #25486

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opened 2026-01-31 09:09:48 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:09:48 +00:00
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Original Pull Request: https://github.com/microsoft/terminal/pull/3721

State: closed
Merged: Yes

Summary of the Pull Request

Fixes the sides disappearing when entering full screen mode when the window is maximized.
However, now, a Vista-style frame briefly appears when entering/exiting full screen.

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PR Checklist

  • Closes Multistring command throw exception (#3709)
  • CLA signed. If not, go over here and sign the CLA
  • Tests added/passed
  • Requires documentation to be updated (no)
  • 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

When the non-client island window is maximized and has the WS_OVERLAPPEDWINDOW style, SetWindowPos is "lying": the position ends up being offset compared to the one we gave it (found by debugging). So I changed it to use WS_POPUP like the client island window was already doing. But now it has the Vista frame that appears briefly when entering/exiting full screen like the client island window.

Validation Steps Performed

**Original Pull Request:** https://github.com/microsoft/terminal/pull/3721 **State:** closed **Merged:** Yes --- <!-- 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 Fixes the sides disappearing when entering full screen mode when the window is maximized. However, now, a Vista-style frame briefly appears when entering/exiting full screen. <!-- Other than the issue solved, is this relevant to any other issues/existing PRs? --> ## References <!-- Please review the items on the PR checklist before submitting--> ## PR Checklist * [x] Closes #3709 * [x] CLA signed. If not, go over [here](https://cla.opensource.microsoft.com/microsoft/Terminal) and sign the CLA * [ ] Tests added/passed * [x] Requires documentation to be updated (no) * [ ] 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 When the non-client island window is maximized and has the WS_OVERLAPPEDWINDOW style, SetWindowPos is "lying": the position ends up being offset compared to the one we gave it (found by debugging). So I changed it to use WS_POPUP like the client island window was already doing. But now it has the Vista frame that appears briefly when entering/exiting full screen like the client island window. <!-- 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 09:09:48 +00:00
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Reference: starred/terminal#25486
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