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-rw-r--r--autoload/ale/virtualtext.vim51
1 files changed, 50 insertions, 1 deletions
diff --git a/autoload/ale/virtualtext.vim b/autoload/ale/virtualtext.vim
index 4897154b..72bc8e6f 100644
--- a/autoload/ale/virtualtext.vim
+++ b/autoload/ale/virtualtext.vim
@@ -28,6 +28,11 @@ let g:ale_virtualtext_prefix =
" Controls the milliseconds delay before showing a message.
let g:ale_virtualtext_delay = get(g:, 'ale_virtualtext_delay', 10)
+" Controls the positioning of virtualtext
+let g:ale_virtualtext_column = get(g:, 'ale_virtualtext_column', 0)
+let g:ale_virtualtext_maxcolumn = get(g:, 'ale_virtualtext_maxcolumn', 0)
+let g:ale_virtualtext_single = get(g:,'ale_virtualtext_single',0)
+
let s:cursor_timer = get(s:, 'cursor_timer', -1)
let s:last_pos = get(s:, 'last_pos', [0, 0, 0])
let s:hl_list = get(s:, 'hl_list', [])
@@ -119,6 +124,35 @@ function! ale#virtualtext#GetGroup(item) abort
return 'ALEVirtualTextInfo'
endfunction
+function! ale#virtualtext#GetColumnPadding(buffer, line) abort
+ let l:mincol = ale#Var(a:buffer, 'virtualtext_column')
+ let l:maxcol = ale#Var(a:buffer, 'virtualtext_maxcolumn')
+ let l:win = bufwinnr(a:buffer)
+
+ if l:mincol[len(l:mincol)-1] is# '%'
+ let l:mincol = (winwidth(l:win) * l:mincol) / 100
+ endif
+
+ if l:maxcol[len(l:maxcol)-1] is# '%'
+ let l:maxcol = (winwidth(l:win) * l:maxcol) / 100
+ endif
+
+ " Calculate padding for virtualtext alignment
+ if l:mincol > 0 || l:maxcol > 0
+ let l:line_width = strdisplaywidth(getline(a:line))
+
+ if l:line_width < l:mincol
+ return l:mincol - l:line_width
+ elseif l:maxcol > 0 && l:line_width >= l:maxcol
+ " Stop processing if virtualtext would start beyond maxcol
+ return -1
+ endif
+ endif
+
+ " no padding.
+ return 0
+endfunction
+
function! ale#virtualtext#ShowMessage(buffer, item) abort
if !s:has_virt_text || !bufexists(str2nr(a:buffer))
return
@@ -133,10 +167,16 @@ function! ale#virtualtext#ShowMessage(buffer, item) abort
let l:prefix = ale#GetLocItemMessage(a:item, l:prefix)
let l:prefix = substitute(l:prefix, '\V%comment%', '\=l:comment', 'g')
let l:msg = l:prefix . substitute(a:item.text, '\n', ' ', 'g')
+ let l:col_pad = ale#virtualtext#GetColumnPadding(a:buffer, l:line)
" Store the last message we're going to set so we can read it in tests.
let s:last_message = l:msg
+ " Discard virtualtext if padding is negative.
+ if l:col_pad < 0
+ return
+ endif
+
if has('nvim')
call nvim_buf_set_virtual_text(
\ a:buffer,
@@ -174,6 +214,7 @@ function! ale#virtualtext#ShowMessage(buffer, item) abort
\ 'type': l:hl_group,
\ 'text': ' ' . l:msg,
\ 'bufnr': a:buffer,
+ \ 'text_padding_left': l:col_pad,
\})
endif
endfunction
@@ -239,9 +280,17 @@ function! ale#virtualtext#SetTexts(buffer, loclist) abort
call ale#virtualtext#Clear(a:buffer)
+ let l:filter = ale#Var(a:buffer,'virtualtext_single')
+ let l:seen = {}
+
for l:item in a:loclist
if l:item.bufnr == a:buffer
- call ale#virtualtext#ShowMessage(a:buffer, l:item)
+ let l:line = max([1, l:item.lnum])
+
+ if !has_key(l:seen,l:line) || l:filter == 0
+ call ale#virtualtext#ShowMessage(a:buffer, l:item)
+ let l:seen[l:line] = 1
+ endif
endif
endfor
endfunction