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[PR #6485] Reintroduce the check for VT_INPUT_MODE in AdaptDispatch #26705

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opened 2026-01-31 09:17:39 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:17:39 +00:00
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Original Pull Request: https://github.com/microsoft/terminal/pull/6485

State: closed
Merged: Yes

This commit reverts the removal of the "SSH hack" in #5383. It was
originally added as a solution to #4911, when we realized that SSH would
request the SS3 cursor key encoding but we weren't equipped to handle
it.

A number of folks have filed issues that, in summary, say "when I use
SSH, I can't select/copy/paste text". It turns out that SSH will also
pass through requests for mouse input. Terminal dutifully responds to
those requests, of course, by disabling mouse selection/copy/paste. SSH
is NOT actually in VT_INPUT_MODE, so it will never receive the mouse
messages.

It's important to note that even with #376 fixed, we are still required
to keep this check. With the closure of #376, we'll be able to convert
VT mouse input back into Win32 mouse input for Win32 applications . . .
but SSH also doesn't know how to handle Win32 mouse input.

Fixes #6476.
Fixes #6196.
Fixes #5704.
Fixes #5608.

**Original Pull Request:** https://github.com/microsoft/terminal/pull/6485 **State:** closed **Merged:** Yes --- This commit reverts the removal of the "SSH hack" in #5383. It was originally added as a solution to #4911, when we realized that SSH would request the SS3 cursor key encoding but we weren't equipped to handle it. A number of folks have filed issues that, in summary, say "when I use SSH, I can't select/copy/paste text". It turns out that SSH will _also_ pass through requests for mouse input. Terminal dutifully responds to those requests, of course, by disabling mouse selection/copy/paste. SSH is **NOT** actually in VT_INPUT_MODE, so it will never receive the mouse messages. It's important to note that even with #376 fixed, we are still required to keep this check. With the closure of #376, we'll be able to convert VT mouse input back into Win32 mouse input for Win32 applications . . . but SSH also doesn't know how to handle Win32 mouse input. Fixes #6476. Fixes #6196. Fixes #5704. Fixes #5608.
claunia added the pull-request label 2026-01-31 09:17:39 +00:00
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Reference: starred/terminal#26705
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