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hrsh7thhrsh7th
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Introduce floatwin/popupwin compatible layer
1 parent 45d5bff commit 25ba848

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6 files changed

+393
-53
lines changed

6 files changed

+393
-53
lines changed

‎autoload/lsp/ui/vim/floatwin.vim

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let s:floatwin_id = 0
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let s:namespace = has('nvim') ? 'nvim' : 'vim'
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"
6+
" lsp#ui#vim#floatwin#screenpos
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"
8+
function! lsp#ui#vim#floatwin#screenpos(line, col) abort
9+
let l:pos = getpos('.')
10+
let l:scroll_x = (l:pos[2] + l:pos[3]) - wincol()
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let l:scroll_y = l:pos[1] - winline()
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let l:winpos = win_screenpos(win_getid())
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return [l:winpos[0] + (a:line - l:scroll_y) - 1, l:winpos[1] + (a:col - l:scroll_x) - 1]
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endfunction
15+
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"
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" lsp#ui#vim#floatwin#import
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"
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function! lsp#ui#vim#floatwin#import() abort
20+
return s:Floatwin
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endfunction
22+
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"
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" lsp#ui#vim#floatwin#normalize_markup_content
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"
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function! lsp#ui#vim#floatwin#normalize_markup_content(markup_content) abort
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let l:normalized = []
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for l:markup_content in type(a:markup_content) == type([]) ? a:markup_content : [a:markup_content]
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" { 'language': ..., 'value': ... }
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if type(l:markup_content) == type({})
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let l:string = get(l:markup_content, 'value', '')
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if has_key(l:markup_content, 'language')
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let l:string = printf('```%s' . "\n" . '%s' . "\n" . '```', l:markup_content.language, l:string)
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endif
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" just string.
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elseif type(l:markup_content) == type('')
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let l:string = l:markup_content
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endif
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call add(l:normalized, { 'lines': split(l:string, "\n") })
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endfor
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return l:normalized
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endfunction
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let s:Floatwin = {}
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"
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" new
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"
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function! s:Floatwin.new(option) abort
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let s:floatwin_id += 1
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let l:bufname = printf('lsp-hover-%s.lsp-hover', s:floatwin_id)
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let l:bufnr = bufnr(l:bufname, v:true)
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call setbufvar(l:bufnr, '&buflisted', 0)
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call setbufvar(l:bufnr, '&buftype', 'nofile')
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call setbufvar(l:bufnr, '&filetype', 'lsp-hover')
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return extend(deepcopy(s:Floatwin), {
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\ 'id': s:floatwin_id,
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\ 'bufnr': l:bufnr,
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\ 'max_width': get(a:option, 'max_width', &columns / 3),
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\ 'max_height': get(a:option, 'max_height', &lines / 2),
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\ 'close_on': get(a:option, 'close_on', []),
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\ 'screenpos': [0, 0],
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\ 'contents': []
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\ })
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endfunction
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"
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" show_tooltip
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"
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function! s:Floatwin.show_tooltip(screenpos, contents) abort
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let l:width = self.get_width(a:contents)
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let l:height = self.get_height(a:contents)
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let l:screenpos = copy(a:screenpos)
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let l:screenpos[0] -= 1
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let l:screenpos[1] -= 1
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" fix height.
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if l:screenpos[0] - l:height >= 0
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let l:screenpos[0] -= l:height
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else
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let l:screenpos[0] += 1
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endif
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" fix width.
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if &columns < l:screenpos[1] + l:width
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let l:screenpos[1] -= l:screenpos[1] + l:width - &columns
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endif
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call self.show(l:screenpos, a:contents)
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endfunction
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"
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" show
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"
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function! s:Floatwin.show(screenpos, contents) abort
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let self.screenpos = a:screenpos
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let self.contents = a:contents
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" create lines.
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let l:lines = []
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for l:content in a:contents
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let l:lines += l:content.lines
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endfor
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" update bufvars.
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call setbufvar(self.bufnr, 'lsp_do_conceal', 1)
112+
call setbufvar(self.bufnr, 'lsp_floatwin_lines', l:lines)
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" show or move
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call lsp#ui#vim#floatwin#{s:namespace}#show(self)
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" write lines
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call lsp#ui#vim#floatwin#{s:namespace}#write(self, l:lines)
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call self.set_close_events()
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endfunction
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"
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" hide
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"
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function! s:Floatwin.hide() abort
127+
augroup printf('lsp#ui#vim#floatwin#hide_%s', self.id)
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autocmd!
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augroup END
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call lsp#ui#vim#floatwin#{s:namespace}#hide(self)
131+
endfunction
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"
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" enter
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"
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function! s:Floatwin.enter() abort
137+
call lsp#ui#vim#floatwin#{s:namespace}#enter(self)
138+
endfunction
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"
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" is_showing
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"
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function! s:Floatwin.is_showing() abort
144+
return lsp#ui#vim#floatwin#{s:namespace}#is_showing(self)
145+
endfunction
146+
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"
148+
" winid
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"
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function! s:Floatwin.winid() abort
151+
return lsp#ui#vim#floatwin#{s:namespace}#winid(self)
152+
endfunction
153+
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"
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" set_close_events
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"
157+
function! s:Floatwin.set_close_events() abort
158+
let l:close_fn = printf('lsp_floatwin_close_%s', self.id)
159+
let b:[l:close_fn] = { -> self.hide() }
160+
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augroup printf('lsp#ui#vim#floatwin#hide_%s', self.id)
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autocmd!
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for l:event in self.close_on
164+
execute printf('autocmd %s <buffer> call b:%s()', l:event, l:close_fn)
165+
endfor
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augroup END
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endfunction
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"
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" get_width
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"
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function! s:Floatwin.get_width(contents) abort
173+
let l:width = 0
174+
for l:content in a:contents
175+
let l:width = max([l:width] + map(copy(l:content.lines), { k, v -> strdisplaywidth(v) }))
176+
endfor
177+
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if self.max_width != -1
179+
return max([min([self.max_width, l:width]), 1])
180+
endif
181+
return max([l:width, 1])
182+
endfunction
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"
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" get_height
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"
187+
function! s:Floatwin.get_height(contents) abort
188+
let l:width = self.get_width(a:contents)
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let l:height = len(a:contents) - 1
191+
for l:content in a:contents
192+
for l:line in l:content.lines
193+
let l:height += max([1, float2nr(ceil(strdisplaywidth(l:line) / str2float('' . l:width)))])
194+
endfor
195+
endfor
196+
197+
if self.max_height != -1
198+
return max([min([self.max_height, l:height]), 1])
199+
endif
200+
return max([l:height, 1])
201+
endfunction
202+

‎autoload/lsp/ui/vim/floatwin/nvim.vim

Lines changed: 78 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,78 @@
1+
"
2+
" lsp#ui#vim#floatwin#nvim#show
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"
4+
function! lsp#ui#vim#floatwin#nvim#show(floatwin) abort
5+
if lsp#ui#vim#floatwin#nvim#is_showing(a:floatwin)
6+
call nvim_win_set_config(a:floatwin.nvim_window, s:get_config(a:floatwin))
7+
else
8+
let a:floatwin.nvim_window = nvim_open_win(a:floatwin.bufnr, v:false, s:get_config(a:floatwin))
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endif
10+
endfunction
11+
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"
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" lsp#ui#vim#floatwin#nvim#hide
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"
15+
function! lsp#ui#vim#floatwin#nvim#hide(floatwin) abort
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if lsp#ui#vim#floatwin#nvim#is_showing(a:floatwin)
17+
call nvim_win_close(a:floatwin.nvim_window, v:true)
18+
let a:floatwin.nvim_window = v:null
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endif
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endfunction
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"
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" lsp#ui#vim#floatwin#nvim#write
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"
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function! lsp#ui#vim#floatwin#nvim#write(floatwin, lines) abort
26+
call nvim_buf_set_lines(a:floatwin.bufnr, 0, -1, v:true, a:lines)
27+
endfunction
28+
29+
"
30+
" lsp#ui#vim#floatwin#nvim#enter
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"
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function! lsp#ui#vim#floatwin#nvim#enter(floatwin) abort
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if lsp#ui#vim#floatwin#nvim#is_showing(a:floatwin)
34+
execute printf('%swincmd w', win_id2win(lsp#ui#vim#floatwin#nvim#winid(a:floatwin)))
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endif
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endfunction
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"
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" lsp#ui#vim#floatwin#nvim#is_showing
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"
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function! lsp#ui#vim#floatwin#nvim#is_showing(floatwin) abort
42+
if !has_key(a:floatwin,'nvim_window') || a:floatwin.nvim_window is v:null
43+
return v:false
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endif
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46+
try
47+
return nvim_win_get_number(a:floatwin.nvim_window) != -1
48+
catch /.*/
49+
let a:floatwin.nvim_window = v:null
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endtry
51+
return v:false
52+
endfunction
53+
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"
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" lsp#ui#vim#floatwin#nvim#winid
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"
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function! lsp#ui#vim#floatwin#nvim#winid(floatwin) abort
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if lsp#ui#vim#floatwin#nvim#is_showing(a:floatwin)
59+
return win_getid(nvim_win_get_number(a:floatwin.nvim_window))
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endif
61+
return -1
62+
endfunction
63+
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"
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" s:get_config
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"
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function! s:get_config(floatwin) abort
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return {
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\ 'relative': 'editor',
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\ 'width': a:floatwin.get_width(a:floatwin.contents),
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\ 'height': a:floatwin.get_height(a:floatwin.contents),
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\ 'row': a:floatwin.screenpos[0],
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\ 'col': a:floatwin.screenpos[1],
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\ 'focusable': v:true,
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\ 'style': 'minimal'
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\ }
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endfunction
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‎autoload/lsp/ui/vim/floatwin/vim.vim

Lines changed: 83 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,83 @@
1+
"
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" lsp#ui#vim#floatwin#vim#show
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"
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function! lsp#ui#vim#floatwin#vim#show(floatwin) abort
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if lsp#ui#vim#floatwin#vim#is_showing(a:floatwin)
6+
call popup_move(a:floatwin.vim_winid, s:get_config(a:floatwin))
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else
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let a:floatwin.vim_winid = popup_create(a:floatwin.bufnr, s:get_config(a:floatwin))
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endif
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endfunction
11+
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"
13+
" lsp#ui#vim#floatwin#vim#hide
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"
15+
function! lsp#ui#vim#floatwin#vim#hide(floatwin) abort
16+
try
17+
call popup_hide(a:floatwin.vim_winid)
18+
catch /.*/
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endtry
20+
let a:floatwin.vim_winid = v:null
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endfunction
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"
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" lsp#ui#vim#floatwin#vim#write
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"
26+
function! lsp#ui#vim#floatwin#vim#write(floatwin, lines) abort
27+
call deletebufline(a:floatwin.bufnr, '^', '$')
28+
for l:line in reverse(a:lines)
29+
call appendbufline(a:floatwin.bufnr, 0, l:line)
30+
endfor
31+
call deletebufline(a:floatwin.bufnr, '$')
32+
endfunction
33+
34+
"
35+
" lsp#ui#vim#floatwin#vim#enter
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"
37+
function! lsp#ui#vim#floatwin#vim#enter(floatwin) abort
38+
" noop
39+
endfunction
40+
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"
42+
" lsp#ui#vim#floatwin#vim#is_showing
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"
44+
function! lsp#ui#vim#floatwin#vim#is_showing(floatwin) abort
45+
if !has_key(a:floatwin, 'vim_winid') || a:floatwin.vim_winid is v:null
46+
return v:false
47+
endif
48+
49+
if win_id2win(a:floatwin.vim_winid) == -1
50+
let a:floatwin.vim_winid = v:null
51+
return v:false
52+
endif
53+
return v:true
54+
endfunction
55+
56+
"
57+
" lsp#ui#vim#floatwin#vim#winid
58+
"
59+
function! lsp#ui#vim#floatwin#vim#winid(floatwin) abort
60+
if lsp#ui#vim#floatwin#vim#is_showing(a:floatwin)
61+
return a:floatwin.vim_winid
62+
endif
63+
return -1
64+
endfunction
65+
66+
"
67+
" s:get_config
68+
"
69+
function! s:get_config(floatwin) abort
70+
return {
71+
\ 'line': a:floatwin.screenpos[0] + 1,
72+
\ 'col': a:floatwin.screenpos[1] + 1,
73+
\ 'pos': 'topleft',
74+
\ 'moved': [0, 100000],
75+
\ 'scrollbar': 0,
76+
\ 'maxwidth': a:floatwin.get_width(a:floatwin.contents),
77+
\ 'maxheight': a:floatwin.get_height(a:floatwin.contents),
78+
\ 'minwidth': a:floatwin.get_width(a:floatwin.contents),
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\ 'minheight': a:floatwin.get_height(a:floatwin.contents),
80+
\ 'tabpage': 0
81+
\ }
82+
endfunction
83+

‎autoload/lsp/ui/vim/hover.vim

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,8 @@
1+
let s:Floatwin = lsp#ui#vim#floatwin#import()
2+
let s:floatwin = s:Floatwin.new({
3+
\ 'close_on': ['CursorMoved', 'InsertEnter']
4+
\ })
5+
16
function! s:not_supported(what) abort
27
return lsp#utils#error(a:what.' not supported for '.&filetype)
38
endfunction
@@ -35,7 +40,8 @@ function! s:handle_hover(server, data) abort
3540
endif
3641

3742
if !empty(a:data['response']['result']) && !empty(a:data['response']['result']['contents'])
38-
call lsp#ui#vim#output#preview(a:server, a:data['response']['result']['contents'], {'statusline': ' LSP Hover'})
43+
let l:screenpos = lsp#ui#vim#floatwin#screenpos(line('.'), col('.'))
44+
call s:floatwin.show_tooltip(l:screenpos, lsp#ui#vim#floatwin#normalize_markup_content(a:data['response']['result']['contents']))
3945
return
4046
else
4147
call lsp#utils#error('No hover information found')

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