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-rw-r--r--autoload/ale/cursor.vim22
-rw-r--r--autoload/ale/floating_preview.vim91
-rw-r--r--autoload/ale/hover.vim9
3 files changed, 115 insertions, 7 deletions
diff --git a/autoload/ale/cursor.vim b/autoload/ale/cursor.vim
index 9ca6fb15..e8478e93 100644
--- a/autoload/ale/cursor.vim
+++ b/autoload/ale/cursor.vim
@@ -9,7 +9,6 @@ let g:ale_echo_delay = get(g:, 'ale_echo_delay', 10)
let g:ale_echo_msg_format = get(g:, 'ale_echo_msg_format', '%code: %%s')
let s:cursor_timer = -1
-let s:last_pos = [0, 0, 0]
function! ale#cursor#TruncatedEcho(original_message) abort
let l:message = a:original_message
@@ -118,14 +117,18 @@ function! ale#cursor#EchoCursorWarningWithDelay() abort
let l:pos = getpos('.')[0:2]
+ if !exists('w:last_pos')
+ let w:last_pos = [0, 0, 0]
+ endif
+
" Check the current buffer, line, and column number against the last
" recorded position. If the position has actually changed, *then*
" we should echo something. Otherwise we can end up doing processing
" the echo message far too frequently.
- if l:pos != s:last_pos
+ if l:pos != w:last_pos
let l:delay = ale#Var(l:buffer, 'echo_delay')
- let s:last_pos = l:pos
+ let w:last_pos = l:pos
let s:cursor_timer = timer_start(
\ l:delay,
\ function('ale#cursor#EchoCursorWarning')
@@ -139,11 +142,16 @@ function! s:ShowCursorDetailForItem(loc, options) abort
let s:last_detailed_line = line('.')
let l:message = get(a:loc, 'detail', a:loc.text)
let l:lines = split(l:message, "\n")
- call ale#preview#Show(l:lines, {'stay_here': l:stay_here})
- " Clear the echo message if we manually displayed details.
- if !l:stay_here
- execute 'echo'
+ if g:ale_floating_preview || g:ale_detail_to_floating_preview
+ call ale#floating_preview#Show(l:lines)
+ else
+ call ale#preview#Show(l:lines, {'stay_here': l:stay_here})
+
+ " Clear the echo message if we manually displayed details.
+ if !l:stay_here
+ execute 'echo'
+ endif
endif
endfunction
diff --git a/autoload/ale/floating_preview.vim b/autoload/ale/floating_preview.vim
new file mode 100644
index 00000000..e6a75689
--- /dev/null
+++ b/autoload/ale/floating_preview.vim
@@ -0,0 +1,91 @@
+" Author: Jan-Grimo Sobez <jan-grimo.sobez@phys.chem.ethz.ch>
+" Author: Kevin Clark <kevin.clark@gmail.com>
+" Description: Floating preview window for showing whatever information in.
+
+" Precondition: exists('*nvim_open_win')
+
+function! ale#floating_preview#Show(lines, ...) abort
+ if !exists('*nvim_open_win')
+ execute 'echom ''Floating windows not supported in this vim instance.'''
+
+ return
+ endif
+
+ " Remove the close autocmd so it doesn't happen mid update
+ augroup ale_floating_preview_window
+ autocmd!
+ augroup END
+
+ let l:options = get(a:000, 0, {})
+
+ " Only create a new window if we need it
+ if !exists('w:preview') || index(nvim_list_wins(), w:preview['id']) is# -1
+ call s:Create(l:options)
+ else
+ call nvim_buf_set_option(w:preview['buffer'], 'modifiable', v:true)
+ endif
+
+ " Execute commands in window context
+ let l:parent_window = nvim_get_current_win()
+
+ call nvim_set_current_win(w:preview['id'])
+
+ for l:command in get(l:options, 'commands', [])
+ call execute(l:command)
+ endfor
+
+ call nvim_set_current_win(l:parent_window)
+
+ " Return to parent context on move
+ augroup ale_floating_preview_window
+ autocmd!
+
+ if g:ale_close_preview_on_insert
+ autocmd CursorMoved,TabLeave,WinLeave,InsertEnter <buffer> ++once call s:Close()
+ else
+ autocmd CursorMoved,TabLeave,WinLeave <buffer> ++once call s:Close()
+ endif
+ augroup END
+
+ let l:width = max(map(copy(a:lines), 'strdisplaywidth(v:val)'))
+ let l:height = min([len(a:lines), 10])
+ call nvim_win_set_width(w:preview['id'], l:width)
+ call nvim_win_set_height(w:preview['id'], l:height)
+
+ call nvim_buf_set_lines(w:preview['buffer'], 0, -1, v:false, a:lines)
+ call nvim_buf_set_option(w:preview['buffer'], 'modified', v:false)
+ call nvim_buf_set_option(w:preview['buffer'], 'modifiable', v:false)
+endfunction
+
+function! s:Create(options) abort
+ let l:buffer = nvim_create_buf(v:false, v:false)
+ let l:winid = nvim_open_win(l:buffer, v:false, {
+ \ 'relative': 'cursor',
+ \ 'row': 1,
+ \ 'col': 0,
+ \ 'width': 42,
+ \ 'height': 4,
+ \ 'style': 'minimal'
+ \ })
+ call nvim_buf_set_option(l:buffer, 'buftype', 'acwrite')
+ call nvim_buf_set_option(l:buffer, 'bufhidden', 'delete')
+ call nvim_buf_set_option(l:buffer, 'swapfile', v:false)
+ call nvim_buf_set_option(l:buffer, 'filetype', get(a:options, 'filetype', 'ale-preview'))
+
+ let w:preview = {'id': l:winid, 'buffer': l:buffer}
+endfunction
+
+function! s:Close() abort
+ if !exists('w:preview')
+ return
+ endif
+
+ call setbufvar(w:preview['buffer'], '&modified', 0)
+
+ if win_id2win(w:preview['id']) > 0
+ execute win_id2win(w:preview['id']).'wincmd c'
+ endif
+
+ unlet w:preview
+endfunction
+
diff --git a/autoload/ale/hover.vim b/autoload/ale/hover.vim
index 1d38f3b9..cb0379fd 100644
--- a/autoload/ale/hover.vim
+++ b/autoload/ale/hover.vim
@@ -46,6 +46,10 @@ function! ale#hover#HandleTSServerResponse(conn_id, response) abort
call balloon_show(a:response.body.displayString)
elseif get(l:options, 'truncated_echo', 0)
call ale#cursor#TruncatedEcho(split(a:response.body.displayString, "\n")[0])
+ elseif g:ale_hover_to_floating_preview || g:ale_floating_preview
+ call ale#floating_preview#Show(split(a:response.body.displayString, "\n"), {
+ \ 'filetype': 'ale-preview.message',
+ \})
elseif g:ale_hover_to_preview
call ale#preview#Show(split(a:response.body.displayString, "\n"), {
\ 'filetype': 'ale-preview.message',
@@ -226,6 +230,11 @@ function! ale#hover#HandleLSPResponse(conn_id, response) abort
call balloon_show(join(l:lines, "\n"))
elseif get(l:options, 'truncated_echo', 0)
call ale#cursor#TruncatedEcho(l:lines[0])
+ elseif g:ale_hover_to_floating_preview || g:ale_floating_preview
+ call ale#floating_preview#Show(l:lines, {
+ \ 'filetype': 'ale-preview.message',
+ \ 'commands': l:commands,
+ \})
elseif g:ale_hover_to_preview
call ale#preview#Show(l:lines, {
\ 'filetype': 'ale-preview.message',