CTRL + ENTER to Save Changes on Card Description

[SethFalco]

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Is your feature request related to a problem? Please describe.

In many apps doing CTRL + ENTER acts as a "finished" action to either send, post, or save whatever the user is typing.

For example:

• To send an email in Tutanota.
• Submitting issues, pull requests, and comments on GitHub.
• Commenting on Reddit.
• Tweeting on Twitter.

Describe the solution you'd like

After clicking "Edit description" the user can type to edit the description of a card.
I think if a user does CTRL + ENTER it should act as if the user clicked "View description". (Save and return to the non-edit view.)

Describe alternatives you've considered

N/A

Additional context

Moved over from stefan-niedermann/nextcloud-deck#1087

[stefan-niedermann]

Related to #46

[dodedodo]

I think CTRL + S would make more sense in this case. You're not sending or submitting a message like in a mail client or twitter, but rather saving a description.

CTRL + ENTER would make sense for comments.

[SethFalco]

I think CTRL + ENTER makes more sense, since CTRL + S usually doesn't affect the view.
I'm not asking to only save the content of the description, I'm suggesting this should kick the user out of the "Edit description" view entirely.

This is likely subjective, however. In the end, I'm down for whatever most users are into.

[Ben-Ro]

Hey all,
this missing feature annoyed me for some time, so i decided to implement it.

It uses Keylisteners on easymde.codemirror. Once the CMD/CTRL is pressed, it sets keyExitState = 1 until the key is released. If Enter is pushed while this, it calls hideEditor() (just like the Action Button) and removes all Keylisteners.

I just create a Pull Request, i hope the code quality is ok :)