Prevent overriding/cancelling of backgrounds

[John-Colvin]

E.g. is there any way to avoid the gaps in the background for if, return & nullptr while still being able to style them in general?

It would be manageable to only have one background possible, e.g. if I set a background on Statement then it would always take precedence, but it seems that I can't even express something like "Statements should be bold & have the background of whatever they are part of".

[rktjmp]

If you don't set a bg for Statement, Vim should show whatever the background is for the "previous/surrounding" highlight group, eg Normal, CursorLine, etc.

eg

Or do I misunderstand the question? Vim can't embed any logic in the actual groups, so you can't have conditional stuff outside of actually altering what groups are applied via treesitter/the syntax file.

[John-Colvin]

That isn't what I'm seeing, I must be doing something wrong.

Config:

local lush = require('lush')
local hsl = lush.hsl

local theme = lush(function(injected_functions)
  local sym = injected_functions.sym
  return {
    Statement      { gui = "bold" }, -- (*) Any statement
    PreProc        { bg = hsl("#ff0000") }, -- (*) Generic Preprocessor
  }
end)

return theme

Result:

[rktjmp]

Ah I see. I missed that the target group was PreProc in the first post. I guess it's not possible, something specific to how PreProc is applied? It seems that the default PreProc group for neovim only applies a fg color, perhaps for this reason.

You can see here where Statement's background correctly "falls through" for CursorLine (return, nullptr) vs Normal (if).

You can see the raw lines lua/vimscript lines that lush would generate via those lushwright lines if you want to try and debug/reproduce outside of Lush (check :messages, each element in the table is a line, so for the lua output they're elements of a table, for vimscript each is its own command. Dont forget to include a :hi clear.).

{ 'Normal = {bg = "#996666"},', 'CursorLine = {bg = "#669999"},', 'PreProc = {bg = "#FF0000"},', "Statement = {bold = true}," }

{ "highlight Normal guifg=NONE guibg=#996666 guisp=NONE blend=NONE gui=NONE", "highlight CursorLine guifg=NONE guibg=#669999 guisp=NONE blend=NONE gui=NONE", "highlight PreProc guifg=NONE guibg=#FF0000 guisp=NONE blend=NONE gui=NONE", "highlight Statement guifg=NONE guibg=NONE guisp=NONE blend=NONE gui=bold" }