Cmd+Arrow keys on Mac have suddenly stopped skipping words and instead emit "D" and "C"

[ericre...@google.com]

I have noticed this behaviour since yesterday, but perhaps it was happening already before then.

To reproduce, on a Mac:

1. Open an SSH session, any will do.

2. Type some string with word breaks, for example, "aaa/bbb/ccc"

3. Press Cmd+Left. Instead of moving the cursor to the beginning of "ccc" which is what used to happen, instead "D" is appended.

4. Go to the beginning of the line. Press Cmd+Right. "C" is inserted instead of moving the cursor to the end of "aaa".

In your bug report guide you mention sending a recording of the session to facilitate debugging, but I could not find instructions on how to do this.

Thanks!

Eric

[ericre...@google.com]

Please note, the same applies to Option+Arrow, though these combinations work fine for me on the native Mac terminal.

[ericre...@google.com]

Also just noticed that Cmd+Backspace and Option+Backspace are still working as expected.

[Mike Frysinger]

Command is the Meta modifier.  when you press command+left arrow, it (now correctly) emits \e[1;9D.  previously it would emit \e[1;1D because we never checked the state of the Meta key, but i fixed that:

  https://chromium-review.googlesource.com/670179

you can read more about it here:

  http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-PC-Style-Function-Keys

if you want to have meta+arrow keys advance words, you can update your ~/.inputrc:

"\e[1;9C": forward-word

"\e[1;9D": backward-word

$include /etc/inputrc

-mike

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[Feng Zhao]

Thank you. This solution worked for me.

[Eric Reynolds]

Thanks very much for promptly providing a solution!

[che...@google.com]

I am using tmux in Secure Shell. This solution doesn't work.

Do you know how to make it work in tmux?

Thanks.

On Tuesday, October 24, 2017 at 10:59:54 AM UTC-7, Mike Frysinger wrote:

[Mike Frysinger]

please describe in depth what it is you've tried, how you tried it, and what isn't working

i don't have access to a macOS system atm to check this specific scenario.  you can try using Ctrl+V in the shell session and then pressing the key combo to double check what the remote shell is receiving (in case tmux did something to the sequence).

-mike

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[zug...@google.com]

I just replaced my Macbook Pro with a new one, and in this new one, Option+left prints D in Secure Shell app, and Option+right prints C. previously the behavior is to move the cursor for one word. anything I can do to fix this? (using Ctrl instead of Option would also work for me, which ATM also prints out D or C)

thanks!

[Mike Frysinger]

please see the full thread:

https://groups.google.com/a/chromium.org/d/msg/chromium-hterm/Ip7o_Otzj6Y/M9h0SyTbAwAJ

-mike

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