Configure languages used for spell checking

[st3iny]

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Is your feature request related to a problem? Please describe.
Currently, the spell checker defaults to the system's language on Linux. In my case this is German. However, I mostly communicate in English on Talk and the spell checker constantly shows the red underline below each word because it doesn't understand English.

Describe the solution you'd like
Let users configure languages used for spell checking.

Describe alternatives you've considered
Change my system's language. This won't fix the issue as I'm communication both in German and English regularly in Talk.

Additional context
Here is a hack I'm currently using that works:

diff --git a/src/talk/talk.window.js b/src/talk/talk.window.js
index 6d69246..680847b 100644
--- a/src/talk/talk.window.js
+++ b/src/talk/talk.window.js
@@ -67,6 +67,9 @@ function createTalkWindow() {
        applyWheelZoom(window)
        setupTray(window)

+       // Configure the spell checker to use English (US) and German
+       window.webContents.session.setSpellCheckerLanguages(['en-US', 'de'])
+
        window.loadURL(TALK_WINDOW_WEBPACK_ENTRY)

        return window

[ShGKme]

A simple solution - use system language + Nextcloud user settings.

An alternative - provide a setting with the list of all the options.

[ShGKme]

Will go with use system languages as the default + local settings.

[schiessle]

I think there should be also a easy way to switch the language. On the browser I can right-click into the input field and select one or multiple languages. This is really helpful if you switch regular between languages. As the desktop app also uses some kind of an "embedded browser" I wonder if there is a way to expose this language switcher?

Maybe I'm special in this regard but both my operating system and Nextcloud are set to English but I also have chats regularly in German. So a easy way to switch the spell checker would be really helpful, or set it to check for both languages by default.

[handkerchief333]

I have the same problem. Is there no checkbox in the settings for the spell checker to disable this function? If so, I can't find it.

Because you can't use this program if you write in the “wrong” language. The red marks are too annoying and distracting. My system language is English, but I often write in German, but also in English, which varies from person to person.

I would like to be able to simply deactivate this feature, because no matter which language I would select, It is the wrong language in another chat/time.