Is default codemirror mapped to emacs keys?

#1

Hi, I’m using a fairly basic installation of code mirror:

    const sqlEditor = CodeMirror.fromTextArea(sqlTextArea, { mode: "sql", theme: "base16-light", lineWrapping: true, autofocus: true, viewportMargin: Infinity });

However, on my windows machine, with a Chrome browser, I can’t use the standard keyboard shortcuts for the text, such as ctrl-a to select all, even ctrl-c and ctrl-v to copy and paste. ctrl-a moves the cursor to the beginning of the line (and ctrl-v to the end), which tells me that perhaps emacs binding are the default?

I have played around with other codemirror on other sites, such as https://codemirror.net/demo/theme.html and ctrl-a does ‘select all,’ like I expect it to.

What am I doing wrong?

#2

No, it’s not, and the configuration you show won’t do that either, unless it somehow incorrectly detects that it is on macOS (but I don’t see why it would do that on one site but not on another in a single browser).

#3

This is very strange. I just tried on firefox and ctrl-a works like it is supposed to. On Chrome and Edge, it doesn’t.

As I said, as far as I know, I haven’t done anything fancy with firefox, except connect it to vue:

const sqlEditor = CodeMirror.fromTextArea(sqlTextArea, { mode: "sql", theme: "base16-light", lineWrapping: true, autofocus: true, viewportMargin: Infinity });

sqlEditor.on('change', function (e) { app.sqlText = sqlEditor.getValue(); });

Since vue can’t monitor the changing text in codemirror, I watch it and update my vue variable. I don’t see how this changes the keymaps.

You can see the result here:

#4

It definitely doesn’t.

My Chromium (on Linux) doesn’t have the problem you describe (ctrl-a does select all). Have you checked if you have any odd browser plugins running?

#5

It just became even stranger. I checked my extensions and they are mostly reputable, google docs, webex meetings, etc. What’s more, I tested on two other windows, Chrome computers (not mine, so different plugins) and they both had exactly the same issue.

Chrome on mac worked perfectly.

#6

Are you using version 5.59.1?

#7

In the code, I see CodeMirror.vesrion = "5.59.0";
I just switched it out for the latest: 5.59.1 and all of a sudden, the problem is gone!
Not sure what was causing it, but my problem seems to be resolved now.

Thanks for you help!

#8

I guess this was another side effect of #6532.

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