Fix LSP and update plugins

- Structure LSP configuration code
- Since `lsp-zero` is deprecated, instead use `nvim-lspconfig`
- Use `nvim_lsp_signature_help` instead of `lsp_signature`

nvim/lua/config/lsp.lua

@@ -1,72 +1,25 @@
-local lsp = require("lsp-zero")
-local git = require("vgit")
-local sig = require("lsp_signature")
-local cmp = require("cmp")
-local cmp_action = require("lsp-zero").cmp_action()
+lsp = vim.lsp
+lsp_config = require('lspconfig')
+cmp_defcaps = require('cmp_nvim_lsp').default_capabilities()
 
-lsp.preset("recommended")
+snippet_engine = 'luasnip'
 
-require('mason').setup({})
-require('mason-lspconfig').setup({
-	ensure_installed = {'rust_analyzer'},
-	handlers = {
-		lsp.default_setup,
-	},
-})
-
-cmp.setup({
-	window = {
-		completion = cmp.config.window.bordered(),
-		documentation = cmp.config.window.bordered(),
-	},
-	mapping = cmp.mapping.preset.insert({
-		['<C-p>'] = cmp_action.luasnip_jump_backward(),
-		['<C-n>'] = cmp_action.luasnip_jump_forward(),
-		['<tab>'] = cmp.mapping.confirm({ select = true }),
-		['<C-space>'] = cmp.mapping.complete(),
-	})
-})
-
-lsp.set_preferences({
-	sign_icons = { }
-})
-
-lsp.set_sign_icons({
-  error = '',
-  warn = '',
-  hint = '',
-  info = '',
-})
-
-lsp.on_attach(function(client, bufnr) 
-	local opts = {buffer = bufnr, remap = false}
-
-	vim.keymap.set("n", "gd", function() vim.lsp.buf.definition() end, opts)
-	vim.keymap.set("n", "K", function() vim.lsp.buf.hover() end, opts)
-	vim.keymap.set("n", "<leader>vws", function() vim.lps.buf.workspace_symbol() end, opts)
-	vim.keymap.set("n", "<leader>vd", function() vim.diagnostic.open_float() end, opts)
-	vim.keymap.set("n", "[d", function() vim.diagnostic.goto_next() end, opts)
-	vim.keymap.set("n", "]d", function() vim.diagnostic.goto_prev() end, opts)
-	vim.keymap.set("n", "<leader>vca", function() vim.diagnostic.code_action() end, opts)
-	vim.keymap.set("n", "<leader>vrr", function() vim.diagnostic.references() end, opts)
-	vim.keymap.set("n", "<leader>vrn", function() vim.diagnostic.rename() end, opts)
-	vim.keymap.set("n", "<C-h>", function() vim.diagnostic.signature_help() end, opts)
-end)
-
-
-lsp.setup()
--- sig.setup({
---    hint_enable = false,
---    fix_pos = ,
---    always_trigger = true,
---    handler_opts = {
---        border = "rounded"   -- double, rounded, single, shadow, none, or a table of borders
---    },
---})
-git.setup({
-    settings = {
-        signs = {
-            priority = 0,
+vim.opt.completeopt = {'menu', 'menuone', 'noselect'}
+vim.diagnostic.config({
+    signs = { 
+        text = { 
+            [vim.diagnostic.severity.ERROR] = '', 
+            [vim.diagnostic.severity.WARN] = '',
+            [vim.diagnostic.severity.HINT] = '',
+            [vim.diagnostic.severity.INFO] = '',
         },
-    }
+    },
+    virtual_text = true,
+    severity_sort = true,
 })
+
+require('lsp.mason')
+require('lsp.cmp')
+require('lsp.pylsp')
+require('lsp.rust')
+require('lsp.git')