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Currently, the signature of the current function the pointer is on is shown as follows:

enter image description here

as you can see, the signature is so large that it overflows the echo area. I was wondering if there could be a way to shorter to something like this:

1/1 | FunctionName(..., current_arg type, ...) (return_type_n, return_type_m)

in other words, the signature from the screenshot shows as:

1/1 | CreateSubscription(..., identificacion_tipo model.IdentificacionTipo, ...) (*service.Subscription, error)
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  • If you don't get a good answer here that points to an existing easy way to take care of this, consider filing an enhancement request: M-x report-emacs-bug.
    – Drew
    Commented Oct 11, 2020 at 20:13

1 Answer 1

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The string displayed by lsp-mode is not generated by lsp-mode but by the server. If you want to achieve that open a feature request against the server that you are using.

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  • I would think that a language server would neither know nor care how that text is displayed? I was imagining this was eldoc rather than lsp, but either way Emacs knows the width of the window and could constrain the display to a single line (perhaps more likely by a simple truncation at the end than the kind of "intelligent" hiding of particular substrings indicated in the question).
    – phils
    Commented Oct 12, 2020 at 13:11
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    They control the amount and the format of the text to be shown. Some of them have settings like that for onHover info. Truncating can be implemented on client-side. If OP is fine with that, he can open feature request in lsp-mode repo. Commented Oct 12, 2020 at 14:17
  • @IvanDimitrovYonchovski I've decided to open a feature request github.com/emacs-lsp/lsp-mode/issues/2269
    – shackra
    Commented Oct 17, 2020 at 17:18

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