nvim/lua/code-completion.lua

131 lines
3.5 KiB
Lua

-- menuone: show also for just one code suggestion
-- noinsert: only insert text when selection confirmed
-- noselect: force to select from suggestion
-- preview: show more details
vim.opt.completeopt = { "menu", "menuone" }
-- shortmess is used to reduce verbocity
-- vim.opt.shortmess = vim.opt.shortmess + { c = true }
local cmp = require("cmp")
cmp.setup({
-- configuration
snippet = {
expand = function(args)
vim.fn["UltiSnips#Anon"](args.body)
end,
},
-- Add borders to the windows
view = {
entries = "custom",
},
window = {
completion = cmp.config.window.bordered(),
documentation = cmp.config.window.bordered(),
},
-- experimental settings
experimental = {
ghost_text = {},
},
-- mapping
mapping = cmp.mapping.preset.insert({
-- Shift+TAB to go to the Previous Suggested item
["<C-k>"] = cmp.mapping.select_prev_item(),
-- Tab to go to the next suggestion
["<C-j>"] = cmp.mapping.select_next_item(),
-- CTRL+SHIFT+f to scroll backwards in description
["<C-S-f>"] = cmp.mapping.scroll_docs(-4),
-- CTRL+F to scroll forwards in the description
["<C-f>"] = cmp.mapping.scroll_docs(4),
-- CTRL+SPACE to bring up completion at current Cursor location
["<C-Space>"] = cmp.mapping.complete(),
-- CTRL+e to exit suggestion and close it
["<C-d>"] = cmp.mapping.close(), -- TODO: Search better option
-- CR (enter or return) to CONFIRM the currently selection suggestion
-- We set the ConfirmBehavior to insert the Selected suggestion
["<CR>"] = cmp.mapping.confirm({
behavior = cmp.ConfirmBehavior.Insert,
select = true,
}),
}),
-- installed sources for code suggestion
sources = cmp.config.sources({
{ name = "ultisnips", keyword_length = 1 },
{ name = "path" },
{ name = "nvim_lsp", keyword_length = 2 },
{ name = "nvim_lsp_signature_help" },
{ name = "nvim_lua", keyword_length = 2 },
{ name = "buffer", keyword_length = 2 },
{ name = "calc" },
{ name = "lua-latex-symbols", option = { cache = true } },
{ name = "cmp_tabnine", keyword_length = 20 },
-- { name = "fuzzy_buffer", keyword_length = 4 },
}),
-- add formatting of the different sources
formatting = {
fields = { "menu", "abbr", "kind" },
format = function(entry, item)
local menu_icon = {
ultisnips = "Φ",
nvim_lsp = "λ",
path = "󰴠",
calc = "Σ",
buffer = "",
lualatexsymbols = "󰿈",
spell = "󰘝",
fuzzy_buffer = "",
cmp_tabnine = "🖳",
}
item.menu = menu_icon[entry.source.name]
return item
end,
},
})
-- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline({ "/", "?" }, {
mapping = cmp.mapping.preset.cmdline(),
sources = {
{ name = "buffer" },
{ name = "fuzzy_path", keyword_length = 4 },
},
formatting = {
fields = { "menu", "abbr", "kind" },
format = function(entry, item)
local menu_icon = {
buffer = "󰱼",
fuzzy_path = "",
}
item.menu = menu_icon[entry.source.name]
return item
end,
},
})
-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline(":", {
mapping = cmp.mapping.preset.cmdline(),
sources = cmp.config.sources({
{ name = "path" },
{ name = "cmdline_history", keyword_length = 24 },
}, {
{ name = "cmdline", keyword_length = 1 },
}),
formatting = {
fields = { "menu", "abbr", "kind" },
format = function(entry, item)
local menu_icon = {
path = "󰙅",
cmdline = "",
cmdline_history = "󰂺 ",
}
item.menu = menu_icon[entry.source.name]
return item
end,
},
})