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-rw-r--r--autoload/ale/hover.vim7
-rw-r--r--autoload/ale/util.vim15
2 files changed, 13 insertions, 9 deletions
diff --git a/autoload/ale/hover.vim b/autoload/ale/hover.vim
index fdae350e..2ccc4ff0 100644
--- a/autoload/ale/hover.vim
+++ b/autoload/ale/hover.vim
@@ -62,12 +62,7 @@ function! ale#hover#HandleLSPResponse(conn_id, response) abort
let l:str = substitute(l:str, '^\s*\(.\{-}\)\s*$', '\1', '')
if !empty(l:str)
- " Compress multi-line hover messages into one line.
- let l:str = substitute(l:str, "\n", ' ', 'g')
- let l:str = substitute(l:str, ' \+', ' ', 'g')
- let l:str = substitute(l:str, '^\s*\(.\{-}\)\s*$', '\1', '')
-
- call ale#util#Echo(l:str)
+ call ale#util#ShowMessage(l:str)
endif
endif
endif
diff --git a/autoload/ale/util.vim b/autoload/ale/util.vim
index d0dbec65..4e789b72 100644
--- a/autoload/ale/util.vim
+++ b/autoload/ale/util.vim
@@ -11,9 +11,18 @@ function! ale#util#FeedKeys(...) abort
return call('feedkeys', a:000)
endfunction
-" A wrapper function for echo so we can test calls for it.
-function! ale#util#Echo(string) abort
- execute 'echo a:string'
+" Show a message in as small a window as possible.
+"
+" Vim 8 does not support echoing long messages from asynchronous callbacks,
+" 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
+ " 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"))
+ endif
endfunction
" A wrapper function for execute, so we can test executing some commands.