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fix(lsp): delete bufvar inside WinClosed event

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Problem: floaing preview window can be closed by some
ex commands like `only` `fclose` which will not clean the bufvar

Solution: use WinClosed event with floating_winnr for clean
bufnr, and add test cases for vim.lsp.util.open_floating_preview
This commit is contained in:
glepnir 2024-11-23 19:11:30 +08:00 committed by Lewis Russell
parent d9b08c58c3
commit 2a1f604c77
2 changed files with 50 additions and 5 deletions
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21
runtime/lua/vim/lsp/util.lua
View File

@ -1344,10 +1344,6 @@ local function close_preview_window(winnr, bufnrs)
local augroup = 'preview_window_' .. winnr
pcall(api.nvim_del_augroup_by_name, augroup)
local buf = vim.w[winnr].buf_hold_win
if buf and api.nvim_buf_is_valid(buf) then
vim.b[buf].lsp_floating_window = nil
end
pcall(api.nvim_win_close, winnr, true)
end)
end
@ -1613,7 +1609,6 @@ function M.open_floating_preview(contents, syntax, opts)
{ silent = true, noremap = true, nowait = true }
)
close_preview_autocmd(opts.close_events, floating_winnr, { floating_bufnr, bufnr })
vim.w[floating_winnr].buf_hold_win = bufnr
-- save focus_id
if opts.focus_id then
@ -1622,6 +1617,22 @@ function M.open_floating_preview(contents, syntax, opts)
api.nvim_buf_set_var(bufnr, 'lsp_floating_preview', floating_winnr)
end
local augroup_name = ('closing_floating_preview_%d'):format(floating_winnr)
local ok =
pcall(api.nvim_get_autocmds, { group = augroup_name, pattern = tostring(floating_winnr) })
if not ok then
api.nvim_create_autocmd('WinClosed', {
group = api.nvim_create_augroup(augroup_name, {}),
pattern = tostring(floating_winnr),
callback = function()
if api.nvim_buf_is_valid(bufnr) then
vim.b[bufnr].lsp_floating_preview = nil
end
api.nvim_del_augroup_by_name(augroup_name)
end,
})
end
if do_stylize then
vim.wo[floating_winnr].conceallevel = 2
end

34
test/functional/plugin/lsp/utils_spec.lua
View File

@ -5,6 +5,8 @@ local Screen = require('test.functional.ui.screen')
local feed = n.feed
local eq = t.eq
local exec_lua = n.exec_lua
local command, api = n.command, n.api
local pcall_err = t.pcall_err
describe('vim.lsp.util', function()
before_each(n.clear)
@ -265,6 +267,38 @@ describe('vim.lsp.util', function()
eq(56, opts.height)
end)
describe('vim.lsp.util.open_floating_preview', function()
local var_name = 'lsp_floating_preview'
local curbuf = api.nvim_get_current_buf()
it('clean bufvar after fclose', function()
exec_lua(function()
vim.lsp.util.open_floating_preview({ 'test' }, '', { height = 5, width = 2 })
end)
eq(true, api.nvim_win_is_valid(api.nvim_buf_get_var(curbuf, var_name)))
command('fclose')
eq(
'Key not found: lsp_floating_preview',
pcall_err(api.nvim_buf_get_var, curbuf, var_name)
)
end)
it('clean bufvar after CursorMoved', function()
local result = exec_lua(function()
vim.lsp.util.open_floating_preview({ 'test' }, '', { height = 5, width = 2 })
local winnr = vim.b[vim.api.nvim_get_current_buf()].lsp_floating_preview
local result = vim.api.nvim_win_is_valid(winnr)
vim.api.nvim_feedkeys(vim.keycode('G'), 'txn', false)
return result
end)
eq(true, result)
eq(
'Key not found: lsp_floating_preview',
pcall_err(api.nvim_buf_get_var, curbuf, var_name)
)
end)
end)
end)
end)
end)