mirror of
https://github.com/prabirshrestha/vim-lsp.git
synced 2025-12-14 20:35:59 +01:00
91751670ed
* Allow setting max width of popup window in Vim * Allow setting max width of popup window in Neovim * Add documentation * Uses spaces instead of tabs for indent in help * Move Neovim logic to s:setcontent * Rename setting to g:lsp_preview_max_width * Replace 'popup' with 'preview'
261 lines
8.0 KiB
VimL
261 lines
8.0 KiB
VimL
let s:supports_floating = exists('*nvim_open_win') || has('patch-8.1.1517')
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let s:winid = v:false
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let s:prevwin = v:false
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let s:preview_data = v:false
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function! lsp#ui#vim#output#closepreview() abort
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if win_getid() == s:winid
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" Don't close if window got focus
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return
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endif
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"closing floats in vim8.1 must use popup_close() (nvim could use nvim_win_close but pclose
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"works)
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if s:supports_floating && s:winid && g:lsp_preview_float && !has('nvim')
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call popup_close(s:winid)
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else
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pclose
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endif
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let s:winid = v:false
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let s:preview_data = v:false
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augroup lsp_float_preview_close
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augroup end
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autocmd! lsp_float_preview_close CursorMoved,CursorMovedI,VimResized *
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doautocmd User lsp_float_closed
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endfunction
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function! lsp#ui#vim#output#focuspreview() abort
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" This does not work for vim8.1 popup but will work for nvim and old preview
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if s:winid
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if win_getid() != s:winid
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let s:prevwin = win_getid()
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call win_gotoid(s:winid)
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elseif s:prevwin
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" Temporarily disable hooks
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" TODO: remove this when closing logic is able to distinguish different move directions
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autocmd! lsp_float_preview_close CursorMoved,CursorMovedI,VimResized *
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call win_gotoid(s:prevwin)
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call s:add_float_closing_hooks()
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let s:prevwin = v:false
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endif
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endif
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endfunction
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function! s:bufwidth() abort
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let width = winwidth(0)
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let numberwidth = max([&numberwidth, strlen(line('$'))+1])
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let numwidth = (&number || &relativenumber)? numberwidth : 0
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let foldwidth = &foldcolumn
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if &signcolumn ==? 'yes'
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let signwidth = 2
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elseif &signcolumn ==? 'auto'
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let signs = execute(printf('sign place buffer=%d', bufnr('')))
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let signs = split(signs, "\n")
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let signwidth = len(signs)>2? 2: 0
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else
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let signwidth = 0
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endif
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return width - numwidth - foldwidth - signwidth
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endfunction
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function! s:get_float_positioning(height, width) abort
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let l:height = a:height
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let l:width = a:width
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" For a start show it below/above the cursor
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" TODO: add option to configure it 'docked' at the bottom/top/right
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let l:y = winline()
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if l:y + l:height >= winheight(0)
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" Float does not fit
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if l:y - 2 > l:height
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" Fits above
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let l:y = winline() - l:height -1
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elseif l:y - 2 > winheight(0) - l:y
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" Take space above cursor
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let l:y = 1
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let l:height = winline()-2
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else
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" Take space below cursor
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let l:height = winheight(0) -l:y
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endif
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endif
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let l:col = col('.')
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" Positioning is not window but screen relative
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let l:opts = {
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\ 'relative': 'win',
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\ 'row': l:y,
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\ 'col': l:col,
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\ 'width': l:width,
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\ 'height': l:height,
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\ }
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return l:opts
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endfunction
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function! lsp#ui#vim#output#floatingpreview(data) abort
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if has('nvim')
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let l:buf = nvim_create_buf(v:false, v:true)
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call setbufvar(l:buf, '&signcolumn', 'no')
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" Try to get as much pace right-bolow the cursor, but at least 10x10
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let l:width = max([s:bufwidth(), 10])
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let l:height = max([&lines - winline() + 1, 10])
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let l:opts = s:get_float_positioning(l:height, l:width)
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let s:winid = nvim_open_win(buf, v:true, l:opts)
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call nvim_win_set_option(s:winid, 'winhl', 'Normal:Pmenu,NormalNC:Pmenu')
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call nvim_win_set_option(s:winid, 'foldenable', v:false)
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call nvim_win_set_option(s:winid, 'wrap', v:true)
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call nvim_win_set_option(s:winid, 'statusline', '')
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call nvim_win_set_option(s:winid, 'number', v:false)
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call nvim_win_set_option(s:winid, 'relativenumber', v:false)
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call nvim_win_set_option(s:winid, 'cursorline', v:false)
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" Enable closing the preview with esc, but map only in the scratch buffer
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nmap <buffer><silent> <esc> :pclose<cr>
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else
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let l:options = {
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\ 'moved': 'any',
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\ 'border': [1, 1, 1, 1],
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\ }
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if g:lsp_preview_max_width > 0
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let l:options['maxwidth'] = g:lsp_preview_max_width
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endif
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let s:winid = popup_atcursor('...', l:options)
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endif
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return s:winid
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endfunction
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function! s:setcontent(lines, ft) abort
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if s:supports_floating && g:lsp_preview_float && !has('nvim')
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" vim popup
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call setbufline(winbufnr(s:winid), 1, a:lines)
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let l:lightline_toggle = v:false
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if exists('#lightline') && !has('nvim')
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" Lightline does not work in popups but does not recognize it yet.
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" It is ugly to have an check for an other plugin here, better fix lightline...
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let l:lightline_toggle = v:true
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call lightline#disable()
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endif
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call win_execute(s:winid, 'setlocal filetype=' . a:ft . '.lsp-hover')
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if l:lightline_toggle
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call lightline#enable()
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endif
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else
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" nvim floating
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call setline(1, a:lines)
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" Set maximum width of floating window, if specified
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if g:lsp_preview_max_width > 0
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let &l:textwidth = g:lsp_preview_max_width
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normal! gggqGgg
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endif
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setlocal readonly nomodifiable
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let &l:filetype = a:ft . '.lsp-hover'
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endif
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endfunction
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function! s:adjust_float_placement(bufferlines, maxwidth) abort
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if has('nvim')
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let l:win_config = {}
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let l:height = min([winheight(s:winid), a:bufferlines])
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let l:width = min([winwidth(s:winid), a:maxwidth])
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let l:win_config = s:get_float_positioning(l:height, l:width)
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call nvim_win_set_config(s:winid, l:win_config )
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endif
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endfunction
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function! s:add_float_closing_hooks() abort
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if g:lsp_preview_autoclose
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augroup lsp_float_preview_close
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autocmd! lsp_float_preview_close CursorMoved,CursorMovedI,VimResized *
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autocmd CursorMoved,CursorMovedI,VimResized * call lsp#ui#vim#output#closepreview()
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augroup END
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endif
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endfunction
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function! lsp#ui#vim#output#getpreviewwinid() abort
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return s:winid
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endfunction
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function! s:open_preview(data) abort
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if s:supports_floating && g:lsp_preview_float
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let l:winid = lsp#ui#vim#output#floatingpreview(a:data)
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else
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execute &previewheight.'new'
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let l:winid = win_getid()
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endif
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return l:winid
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endfunction
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function! lsp#ui#vim#output#preview(data) abort
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if s:winid && type(s:preview_data) == type(a:data)
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\ && s:preview_data == a:data
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\ && type(g:lsp_preview_doubletap) == 3
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\ && len(g:lsp_preview_doubletap) >= 1
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\ && type(g:lsp_preview_doubletap[0]) == 2
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echo ''
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return call(g:lsp_preview_doubletap[0], [])
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endif
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" Close any previously opened preview window
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pclose
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let l:current_window_id = win_getid()
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let s:winid = s:open_preview(a:data)
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let s:preview_data = a:data
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let l:lines = []
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let l:ft = s:append(a:data, l:lines)
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call s:setcontent(l:lines, l:ft)
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" Get size information while still having the buffer active
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let l:bufferlines = line('$')
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let l:maxwidth = max(map(getline(1, '$'), 'strdisplaywidth(v:val)'))
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" restore focus to the previous window
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call win_gotoid(l:current_window_id)
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echo ''
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if s:supports_floating && s:winid && g:lsp_preview_float
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if has('nvim')
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call s:adjust_float_placement(l:bufferlines, l:maxwidth)
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call s:add_float_closing_hooks()
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endif
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doautocmd User lsp_float_opened
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endif
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if !g:lsp_preview_keep_focus
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" set the focus to the preview window
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call win_gotoid(s:winid)
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endif
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return ''
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endfunction
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function! s:append(data, lines) abort
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if type(a:data) == type([])
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for l:entry in a:data
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call s:append(entry, a:lines)
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endfor
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return 'markdown'
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elseif type(a:data) == type('')
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call extend(a:lines, split(a:data, "\n"))
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return 'markdown'
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elseif type(a:data) == type({}) && has_key(a:data, 'language')
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call add(a:lines, '```'.a:data.language)
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call extend(a:lines, split(a:data.value, '\n'))
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call add(a:lines, '```')
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return 'markdown'
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elseif type(a:data) == type({}) && has_key(a:data, 'kind')
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call extend(a:lines, split(a:data.value, '\n'))
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return a:data.kind ==? 'plaintext' ? 'text' : a:data.kind
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endif
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endfunction
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