gnvim evaluates has('gui_running') as false

[dbarnett]

When I start up gnvim and try

:echo has('gui_running')

it responds with 0, and it doesn't seem to try to load my $XDG_CONFIG_HOME/nvim/ginit.vim. Is that an oversight, or somehow intentional?

[justinmk]

current workaround is to check nvim_list_uis(), e.g.:

:echo !nvim_list_uis()[0]['ext_termcolors']  " This means we probably have a GUI.

Nvim core is working on a UIAttach autocmd that will better inform configs/plugins if a GUI is connected. neovim/neovim#6917

I suppose Nvim could shim has('gui_running') to return true if any GUI is connected, although scripts often make bad assumptions based on that, which don't always hold in the case where multiple UIs are connected.

[vhakulinen]

As already mentioned, has('gui_running') isn't supported by neovim currently. As a workaround, with gnvim you can use exists("g:gnvim").

[dbarnett]

Gotcha, and I just found a parallel discussion in neovim-qt tracker: equalsraf/neovim-qt#94 (comment). I'm just getting back into the neovim world and not up to speed on some of these gotchas.

[Lythenas]

neovim/neovim#6917 was merged and is in nvim 0.4.0 so you can use an autocmd to setup your gui stuff. Note however (at least for me) the UIEnter event is still fired even when using the terminal. But for me the chan in v:event is 0 in the terminal and 1 using gnvim.

I'm using something like this:

function! s:ui_enter()
  if get(v:event, "chan") == 1
    " do your gui setup
  endif
endfunction

au UIEnter * call s:ui_enter()

Also I'm not very experienced with vimscript so if this can be done better please let me know.