auto trigger fallback

[Konfekt]

Isn't there any mean to trigger the fallback completion (that is, the generic vim completion) automatically if the special completions all failed (that is, b:completion_tried = 1 and pos unchanged)?! This way, the user does not have to hit <tab> twice.

[ackyshake]

I am open to suggestions. I do agree that the current method is really unintuitive. I thought of introducing another keybind for this but didn't like that method. the problem is that we have to tell Vim when to switch to fallback completion.

[Konfekt]

Yeah, there hopefully must some way, but Vim has so many quirks that it requires some guess work.

[josefson]

This would be really cool. Kind of what MuComplete does with it's completion#chain. Btw, tried vcm_tab_complete = "user" without any success. Tried it for python filetype and with set completefunc=jedi#completions. Checking the value of vcm_tab_complete" echoes me "user", but the completion used is omnicompletion omnifunc=pythoncomplete#Complete and not the completefunc=jedi#completions.

[ackyshake]

@josefson: Interesting. Jedi should be automatically overriding omnifunc here when initializing: https://github.com/davidhalter/jedi-vim/blob/026ae6be03323193850f83109a80982808a7621b/after/ftplugin/python/jedi.vim

Although, I'm not sure why omnifunc is still pointing to the pythoncomplete script.

Let me see if I can investigate this.

[ackyshake]

@josefson: Can you check if the latest master fixes the issue for you?

[Konfekt]

It would be interesting to compare VCM with mucomplete now that VCM also automatically falls back. As a layman, that seemed like the only difference.

[josefson]

@ajh17 It did the trick, thanks. @Konfekt while i like VCM simplicity, but i also like MuC chain. VCM fallback feature is one step in the chain direction, but only with 1 other completion method. I gotta thanks both actually for making me uninstall YCM and all the heavy lifting from vim.

[ackyshake]

Thanks, I'm only just found out about mucomplete. Seems pretty cool. I'll check it out further. Yeah if there's one area where I'd like to improve VCM, is the fallback.

[astier]

This may be related. Try following.

1. Type foo/fo and press tab
2. See that completion does not work

I assume that VimCompletesMe gets stuck in path-completion. I would expect if no path is found that keyword-completion should then be used and give me the suggestion foo.

[ghetto-ch]

Maybe there is a way to have vim switch context automatically. If I do the following:

• Set completion to omni
• Try to complete a word which is in the buffer but not understood by omnicompletion
• (at this point I get the message that completion failed)
• Still in insert mode I do: <C-r>=VimCompletesMe#vim_completes_me(0)<CR>

What I get is normal keyword completion, as if I press tab again. I didn’t manage to do it in vimscript though... I’m new to this and trying to learn. I tried to append the above to return exp but seems it doesn’t get executed. Maybe you know how to get vim to do the <C-r> thing? The idea could be to call a function that checks the completion status, using pumvisible() and cursor position, then either do nothing or call completion again?