Make fill column indicator visible by default in SpaceVim

Question

I know there is a short cut to make the fill column indicator visible. But I want it visible a most of the time anyway. Can I set an option or call a function to toggle it automatically at startup?

I have used :nmap [SPC]tf to show what the key binding does. But I can't understand the result (quite new to vim):

n  [SPC]tf     * :<C-U>call call(function('<SNR>32_toggle_colorcolumn'), [])<CR>

I have done some more research as suggested by @filbranden. :scriptname 32 reveals the function:

function! s:toggle_colorcolumn() abort
  if !s:ccflag
    let &cc = g:spacevim_max_column
    let s:ccflag = 1
  else
    set cc=
    let s:ccflag = 0
  endif
  call SpaceVim#layers#core#statusline#toggle_mode('fill-column-indicator')
endfunction

This seems to toggle a script local boolean s:ccflag (not sure about the script local part) and then calls a function. Setting the ccflag in my bootstrap function and calling the toggle_mode() function did nothing.

Answer 1

I found a solution: I added the following line to my bootstrap_before function

call <SNR>32_toggle_colorcolumn()

This comes with the caveat that the function name is likely subject to change.

The above mentioned function sets a variable called cc Adding the following to the bootstrap function brings up a fill columns indicator (colorcolumn):

set cc=80

The above setting adds a colored column at column 80. More information under :help colorcolumn. This comes with the caveat that the key binding to toggle the color column doesn't work as expected. For best results also set max_column=80 under options in ~/.SpaceVim.d/init.toml. Both settings together result in having to hit the toggle shortcut <Space>tf twice to make the column disappear, but only the first time after the editor is started.

I filed this as an issue. In case I forget about this question, people can have a look for nicer solutions there.