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Close #1590 - Automatically close previews for hover

This commit is contained in:
w0rp 2018-06-21 23:02:36 +01:00
parent 8bca073763
commit 935740cf93
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GPG Key ID: 0FC1ECAA8C81CD83
2 changed files with 31 additions and 5 deletions
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27
autoload/ale/preview.vim
View File

@ -2,22 +2,41 @@
" Description: Preview windows for showing whatever information in.
" Open a preview window and show some lines in it.
" An optional second argument can set an alternative filetype for the window.
" A second argument can be passed as a Dictionary with options. They are...
"
" filetype - The filetype to use, defaulting to 'ale-preview'
" stay_here - If 1, stay in the window you came from.
function! ale#preview#Show(lines, ...) abort
let l:filetype = get(a:000, 0, 'ale-preview')
let l:options = get(a:000, 0, {})
silent pedit ALEPreviewWindow
wincmd P
setlocal modifiable
setlocal noreadonly
setlocal nobuflisted
let &l:filetype = l:filetype
let &l:filetype = get(l:options, 'filetype', 'ale-preview')
setlocal buftype=nofile
setlocal bufhidden=wipe
:%d
call setline(1, a:lines)
setlocal nomodifiable
setlocal readonly
if get(l:options, 'stay_here')
wincmd p
endif
endfunction
" Close the preview window if the filetype matches the given one.
function! ale#preview#CloseIfTypeMatches(filetype) abort
for l:win in getwininfo()
let l:wintype = gettabwinvar(l:win.tabnr, l:win.winnr, '&filetype')
if l:wintype is# a:filetype
silent! pclose!
endif
endfor
endfunction
" Show a location selection preview window, given some items.
@ -35,7 +54,7 @@ function! ale#preview#ShowSelection(item_list) abort
\)
endfor
call ale#preview#Show(l:lines, 'ale-preview-selection')
call ale#preview#Show(l:lines, {'filetype': 'ale-preview-selection'})
let b:ale_preview_item_list = a:item_list
endfunction

9
autoload/ale/util.vim
View File

@ -17,11 +17,18 @@ endfunction
" but NeoVim does. Small messages can be echoed in Vim 8, and larger messages
" have to be shown in preview windows.
function! ale#util#ShowMessage(string) abort
if !has('nvim')
call ale#preview#CloseIfTypeMatches('ale-preview.message')
endif
" We have to assume the user is using a monospace font.
if has('nvim') || (a:string !~? "\n" && len(a:string) < &columns)
execute 'echo a:string'
else
call ale#preview#Show(split(a:string, "\n"))
call ale#preview#Show(split(a:string, "\n"), {
\ 'filetype': 'ale-preview.message',
\ 'stay_here': 1,
\})
endif
endfunction