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Fix g:lsp_preview_max_width for Neovim #440

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Merged
merged 2 commits into from
Jul 24, 2019
Merged

Fix g:lsp_preview_max_width for Neovim #440

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26bcb9e
Fix g:lsp_preview_max_width for Neovim
thomasfaingnaert Jul 22, 2019
81c964f
Fix max_width also specifying minimum width
thomasfaingnaert Jul 23, 2019
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20 changes: 13 additions & 7 deletions autoload/lsp/ui/vim/output.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -146,12 +146,6 @@ function! s:setcontent(lines, ft) abort
" nvim floating
call setline(1, a:lines)

" Set maximum width of floating window, if specified
if g:lsp_preview_max_width > 0
let &l:textwidth = g:lsp_preview_max_width
normal! gggqGgg
endif

setlocal readonly nomodifiable
let &l:filetype = a:ft . '.lsp-hover'
endif
Expand Down Expand Up @@ -301,8 +295,20 @@ function! lsp#ui#vim#output#preview(data, options) abort
call s:setcontent(l:lines, l:ft)

" Get size information while still having the buffer active
let l:bufferlines = line('$')
let l:maxwidth = max(map(getline(1, '$'), 'strdisplaywidth(v:val)'))
if g:lsp_preview_max_width > 0
let l:bufferlines = 0
let l:maxwidth = min([g:lsp_preview_max_width, l:maxwidth])

" Determine, for each line, how many "virtual" lines it spans, and add
" these together for all lines in the buffer
for l:line in getline(1, '$')
let l:num_lines = str2nr(string(ceil(strdisplaywidth(l:line) * 1.0 / g:lsp_preview_max_width)))
let l:bufferlines += max([l:num_lines, 1])
endfor
else
let l:bufferlines = line('$')
endif

if !s:supports_floating || !g:lsp_preview_float
" Set statusline
Expand Down