Highlighting an entire line

[setseed13]

Hi there!

I want to set up mini.hipatterns as showcased in #783, that is an entire line gets colored once a keyword has been found.
I tried adapting both examples from the discussion , but since my setup is pretty different and I'm new to lua, I always ran into roadblocks.
Basically, I don't know how to properly set up the MiniHipatterns<group>s, and/or how to leverage the group argument as a function.

I have such a setup working via todo-comments, however there I need to use proper strings, but I want to change to special characters, which works in mini.hipatterns (my patterns look like this note = { pattern = '~~', group = 'MiniHipatternsNote' }).

Additionally, it would be great if the keyword itself would not highlight up, only the (foreground of the) text after it.

Lastly, I don't know whether it matters, but for the sake of completion: I'm using solarized osaka as my color scheme!

I'd appreciate any and all help!

[setseed13]

Ok, in the end this was pretty easy. The pattern matching string is slightly different than what I found for lua, and setting up hihgligh groups was straight forward once I found out there is an api function.

In case anyone cares:

-- in some config file, e.g. init.lua
vim.api.nvim_set_hl(0, "hl_special_character", {fg="#6c71c4", bg=""})  -- this creates a new highlight group which can be called by mini.hipatterns

I only want to color the text, so I set fg and bg accordingly.

-- in the config file for hipatterns
require('mini.hipatterns').setup({
    highlighters = {
        special_character  = {
            pattern = " @@ ().*()", -- this expression looks for ` @@ ` and then matches against everything thereafter via `.*`; the pairs of parenthesis enclose the actual string we are looking for
            group = "hl_special_character" 
        },
       -- ...
    },
    -- ...
)}

[echasnovski]

Nice work!

Sorry for not responding yesterday: had limited time and had to prioritize fixing 'mini.icons' issues. The solution overall looks almost exactly how I'd suggest solving the initial task. One small change I'd make is to use " @@ ().*()$" pattern. That extra $ at the end in theory should be slightly more performant than the variant without it.

Glad you eventually made it yourself. Hope the journey was not too tiring :)

[setseed13]

No need to be sorry to not answer, especially when not even a single day has passed :)
I'm using like half your offering, so a couple of thousand hours of your time already :D

For educational purposes: what does the $ do? I guess it just makes it so, that everything until the end of the line gets grabbed, instead of sequentially grabbing (and or checking?)

Thank you so much for everything! And once mini.icons is stable, I gonna use it as well :D

[echasnovski]

For educational purposes: what does the $ do? I guess it just makes it so, that everything until the end of the line gets grabbed, instead of sequentially grabbing (and or checking?)

Yes, it explicitly tells that match should occur at the line end. This both feels more explicit and I think it should be slightly faster (on microseconds level, though; but as this is called very frequently it might be worth it).

See :h lua-pattern.

---

And once mini.icons is stable, I gonna use it as well :D

Overall design is already stable. There might be some rough edges to polish, but otherwise I'd say it is usable in day-to-day activity. But, of course, nothing bad in waiting for next stable release.

[setseed13]

Thanks for the explanation as well as the pointer to the help files!

Tommorrow I gonna switch to mini.icons, looking foward to it :)

Keep up the awesome work!