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[PR #15155] Add support for bracketed paste mode in ConHost #30457

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opened 2026-01-31 09:40:55 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:40:55 +00:00
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Original Pull Request: https://github.com/microsoft/terminal/pull/15155

State: closed
Merged: Yes

This adds support for XTerm's "bracketed paste" mode in ConHost. When
enabled, any pasted text is bracketed with a pair of escape sequences,
which lets the receiving application know that the content was pasted
rather than typed.

References and Relevant Issues

Bracketed paste mode was added to Windows Terminal in PR #9034.
Adding it to ConHost ticks one more item off the list in #13408.

Detailed Description of the Pull Request / Additional comments

This only applies when VT input mode is enabled, since that is the way
Windows Terminal currently works.

When it comes to filtering, though, the only change I've made is to
filter out the escape character, and only when bracketed mode is
enabled. That's necessary to prevent any attempts to bypass the
bracketing, but I didn't want to mess with the expected behavior for
legacy apps if bracketed mode is disabled.

Validation Steps Performed

Manually tested in bash with bind 'set enable-bracketed-paste on' and
confirmed that pasted content is now buffered, instead of being executed
immediately.

Also tested in VIM, and confirmed that you can now paste preformatted
code without the autoindent breaking the formatting.

Closes #395

**Original Pull Request:** https://github.com/microsoft/terminal/pull/15155 **State:** closed **Merged:** Yes --- This adds support for XTerm's "bracketed paste" mode in ConHost. When enabled, any pasted text is bracketed with a pair of escape sequences, which lets the receiving application know that the content was pasted rather than typed. ## References and Relevant Issues Bracketed paste mode was added to Windows Terminal in PR #9034. Adding it to ConHost ticks one more item off the list in #13408. ## Detailed Description of the Pull Request / Additional comments This only applies when VT input mode is enabled, since that is the way Windows Terminal currently works. When it comes to filtering, though, the only change I've made is to filter out the escape character, and only when bracketed mode is enabled. That's necessary to prevent any attempts to bypass the bracketing, but I didn't want to mess with the expected behavior for legacy apps if bracketed mode is disabled. ## Validation Steps Performed Manually tested in bash with `bind 'set enable-bracketed-paste on'` and confirmed that pasted content is now buffered, instead of being executed immediately. Also tested in VIM, and confirmed that you can now paste preformatted code without the autoindent breaking the formatting. Closes #395
claunia added the pull-request label 2026-01-31 09:40:55 +00:00
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