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@@ -109,4 +109,32 @@ filetype plugin indent on " required
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" ########## Plugin Settings ########## {{{
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autocmd FileType java setlocal omnifunc=javacomplete#Complete
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call neomake#configure#automake('nrwi', 500)
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+
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+" Use TAB to complete when typing words, else inserts TABs as usual. Uses
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+" dictionary, source files, and completor to find matching words to complete.
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+
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+" Note: usual completion is on <C-n> but more trouble to press all the time.
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+" Never type the same word twice and maybe learn a new spellings!
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+" Use the Linux dictionary when spelling is in doubt.
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+function! Tab_Or_Complete() abort
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+ " If completor is already open the `tab` cycles through suggested completions.
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+ if pumvisible()
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+ return "\<C-N>"
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+ " If completor is not open and we are in the middle of typing a word then
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+ " `tab` opens completor menu.
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+ elseif col('.')>1 && strpart( getline('.'), col('.')-2, 3 ) =~ '^[[:keyword:][:ident:]]'
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+ return "\<C-R>=completor#do('complete')\<CR>"
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+ else
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+ " If we aren't typing a word and we press `tab` simply do the normal `tab`
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+ " action.
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+ return "\<Tab>"
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+ endif
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+endfunction
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+
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+" Use `tab` key to select completions. Default is arrow keys.
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+inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
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+inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"
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+
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+" Use tab to trigger auto completion.
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+inoremap <expr> <Tab> Tab_Or_Complete()
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" }}}
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