PredictionViewStyle ListView allow escape out of selection in emacs mode

[bgelens]

Description of the new feature/enhancement

The new ListView for predictions is awesome! One thing I've found a little bit impacting my flow, is the lack of ability to escape out of the list and just return to what I had typed. I've tried a couple of keybindings but none seem to work.

The only option is to arrow up until I'm out of the list view. This will return my original input

Proposed technical implementation details (optional)

Allow Escape to directly return back to what was typed and return the cursor position

cc @SteveL-MSFT

[daxian-dbw]

Hello @bgelens, thanks for trying out this feature!
Which EditMode were you in? The prediction ListView has been mainly tested and enhanced in the Windows edit mode.
Testing in the Emacs and VI edit modes is very minimum as of today, but we will spend more time improving its user experience in these 2 edit modes (Issue to track: #1934).

You can check your edit mode by Get-PSReadLineOption | % EditMode, and switching to Windows by Set-PSReadLineOption -EditMode Windows.

[daxian-dbw]

If you are using the Windows edit mode, you will find Escape works as expected -- pressing it will escape out of the list and return to what I had typed. Ctrl+z (undo) will also be handy for you to escape out of a selection. Please see the "Handling of Commonly Used Keys" section in the PR description of #1909 to learn more about the details.

Also, we will have a blog posted next week about this feature, so please stay tuned.

[bgelens]

Hey @daxian-dbw. Thanks for the info.

I'm using emacs (running on Mac where this is more natural fit). I did not think about using ctrl+z. I can confirm it has the desired effect for me! I'll use this as a workaround for now (esc will be more natural and getting from your reply it is mend to work)

[daxian-dbw]

Yes, Escape in Emacs edit mode should work the same as in the Windows edit mode, and we will make that improvement for the next beta release.

[bgelens]

Should I close this issue considering the tracking issue you created? If so please feel free to close yourself :)

[daxian-dbw]

I will close this one as a duplicate of #1934. Thanks @bgelens!

[daxian-dbw]

It turns out Escape in Emacs edit mode is already bound to ChordFirstKey and that means it's a special key indicating a chord of keys (e.g Escape,f, Escape,d, or even Escape,Ctrl+y). So we cannot make Escape to work the same as in the Windows edit mode.

A workaround would be to map Escape, Escape to RevertLine, so you can press ESC twice to get the same behavior as in Windows edit mode.

Set-PSReadLineKeyHandler -Key 'Escape, Escape' -Function RevertLine