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fix(lsp): improve LSP floating preview window cleanup #31353

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Problem: The current implementation creates a unique autocommand group for each floating preview window, which is inefficient and can lead to numerous autocommand groups.

Solution: Use a single shared autocommand group with improved window validation to properly clean up LSP floating preview windows.
This commit is contained in:
glepnir
2025-03-11 20:10:09 +08:00
committed by GitHub
parent 55bdb077b7
commit a14fca432b
2 changed files with 44 additions and 43 deletions
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31
runtime/lua/vim/lsp/util.lua
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@@ -1622,23 +1622,24 @@ function M.open_floating_preview(contents, syntax, opts)
api.nvim_win_set_var(floating_winnr, opts.focus_id, bufnr)
end
api.nvim_buf_set_var(bufnr, 'lsp_floating_preview', floating_winnr)
api.nvim_win_set_var(floating_winnr, 'lsp_floating_bufnr', bufnr)
end
local augroup_name = ('nvim.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
api.nvim_create_autocmd('WinClosed', {
group = api.nvim_create_augroup('nvim.closing_floating_preview', { clear = true }),
callback = function(args)
local winid = tonumber(args.match)
local ok, preview_bufnr = pcall(api.nvim_win_get_var, winid, 'lsp_floating_bufnr')
if
ok
and api.nvim_buf_is_valid(preview_bufnr)
and winid == vim.b[preview_bufnr].lsp_floating_preview
then
vim.b[bufnr].lsp_floating_preview = nil
return true
end
end,
})
vim.wo[floating_winnr].foldenable = false -- Disable folding.
vim.wo[floating_winnr].wrap = opts.wrap -- Soft wrapping.