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path: root/lua/plugins/lsp-config.lua
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-- Add additional capabilities supported by nvim-cmp
local M = {}

vim.diagnostic.config({
	virtual_text = false,
	signs = true,
	underline = true,
	update_in_insert = false,
	severity_sort = false,
})

local signs = { Error = " ", Warn = " ", Hint = " ", Info = " " }
for type, icon in pairs(signs) do
	local hl = "DiagnosticSign" .. type
	vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
end

vim.o.updatetime = 250
vim.cmd [[autocmd! CursorHold,CursorHoldI * lua vim.diagnostic.open_float(nil, {focus=false})]]

vim.cmd [[autocmd! ColorScheme * highlight NormalFloat guibg=#1f2335]]
vim.cmd [[autocmd! ColorScheme * highlight FloatBorder guifg=white guibg=#1f2335]]

local border = {
	{"🭽", "FloatBorder"},
	{"▔", "FloatBorder"},
	{"🭾", "FloatBorder"},
	{"▕", "FloatBorder"},
	{"🭿", "FloatBorder"},
	{"▁", "FloatBorder"},
	{"🭼", "FloatBorder"},
	{"▏", "FloatBorder"},
}

-- LSP settings (for overriding per client)
local handlers =  {
	["textDocument/hover"] =  vim.lsp.with(vim.lsp.handlers.hover, {border = border}),
	["textDocument/signatureHelp"] =  vim.lsp.with(vim.lsp.handlers.signature_help, {border = border }),
}

-- To instead override globally
local orig_util_open_floating_preview = vim.lsp.util.open_floating_preview
function vim.lsp.util.open_floating_preview(contents, syntax, opts, ...)
	opts = opts or {}
	opts.border = opts.border or border
	return orig_util_open_floating_preview(contents, syntax, opts, ...)
end

local capabilities = vim.lsp.protocol.make_client_capabilities()
M.capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)

local lspconfig = require('lspconfig')

vim.lsp.set_log_level(vim.log.levels.DEBUG)

-- Mappings.
-- See `:help vim.diagnostic.*` for documentation on any of the below functions
local opts = { noremap=true, silent=true }
vim.keymap.set('n', '<leader>e', vim.diagnostic.open_float, opts)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, opts)

-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
M.on_attach = function(client, bufnr)
	-- Enable completion triggered by <c-x><c-o>
	-- I don't need it.
	-- vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')

	-- Mappings.
	-- See `:help vim.lsp.*` for documentation on any of the below functions
	local bufopts = { noremap=true, silent=true, buffer=bufnr }
	vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
	vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
	vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
	vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
	vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
	vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
	vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
	vim.keymap.set('n', '<space>wl', function()
		print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
	end, bufopts)
	vim.keymap.set('n', '<leader>D', vim.lsp.buf.type_definition, bufopts)
	vim.keymap.set('n', '<leader>rn', vim.lsp.buf.rename, bufopts)
	vim.keymap.set('n', '<leader>ca', vim.lsp.buf.code_action, bufopts)
	vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
	vim.keymap.set('n', '<leader>f', function() vim.lsp.buf.format { async = true } end, bufopts)
end

M.lsp_flags = {
	-- This is the default in Nvim 0.7+
	debounce_text_changes = 150,
}

return M