From 9faaef80fadd81da2d84430af3ec1df71b3697ab Mon Sep 17 00:00:00 2001
From: derped <derped@ophanim.de>
Date: Sat, 14 Dec 2024 21:44:39 +0100
Subject: [PATCH] nvim: update lsp config

---
 pkgsets/nvim/cmp.nix | 13 +----------
 pkgsets/nvim/lsp.nix | 55 ++++++++++++++++++++++++++------------------
 2 files changed, 33 insertions(+), 35 deletions(-)

diff --git a/pkgsets/nvim/cmp.nix b/pkgsets/nvim/cmp.nix
index d79f8d4..b16e67a 100644
--- a/pkgsets/nvim/cmp.nix
+++ b/pkgsets/nvim/cmp.nix
@@ -18,29 +18,18 @@ lib.mkIf (lib.elem "nvim::cmp" config.machine.pkgs) {
       config = # lua
         ''
           function()
-            ${
-              lib.optionalString (lib.elem "nvim::lsp" config.machine.pkgs) # lua
-                ''
-                  local lsp_zero = require('lsp-zero')
-                  lsp_zero.extend_cmp()
-                ''
-            }
-
             local cmp = require('cmp')
-            local cmp_action = lsp_zero.cmp_action()
 
             cmp.setup({
               ${
                 lib.optionalString (lib.elem "nvim::lsp" config.machine.pkgs) # lua
-                  ''formatting = lsp_zero.cmp_format(),''
+                  ''sources = { { name = 'nvim_lsp' }, },''
               }
               mapping = cmp.mapping.preset.insert({
                 ['<C-Space>'] = cmp.mapping.complete(),
                 ['<CR>'] = cmp.mapping.confirm({ select = true }),
                 ['<C-u>'] = cmp.mapping.scroll_docs(-4),
                 ['<C-d>'] = cmp.mapping.scroll_docs(4),
-                ['<C-f>'] = cmp_action.luasnip_jump_forward(),
-                ['<C-b>'] = cmp_action.luasnip_jump_backward(),
               })
             })
           end
diff --git a/pkgsets/nvim/lsp.nix b/pkgsets/nvim/lsp.nix
index b5b6bb8..07aa715 100644
--- a/pkgsets/nvim/lsp.nix
+++ b/pkgsets/nvim/lsp.nix
@@ -25,21 +25,6 @@ lib.mkIf (lib.elem "nvim::lsp" config.machine.pkgs) {
         dir = vPlug: vPlug.SchemaStore-nvim;
       }
 
-      {
-        dir = vPlug: vPlug.lsp-zero-nvim;
-        lazy = true;
-        # TODO: This is a bit of a workaround...
-        config = "false";
-        init = # lua
-          ''
-            function()
-              -- Disable automatic setup, we are doing it manually
-              vim.g.lsp_zero_extend_cmp = 0
-              vim.g.lsp_zero_extend_lspconfig = 0
-            end
-          '';
-      }
-
       {
         dir = vPlug: vPlug.cmp-nvim-lsp;
         lazy = true;
@@ -62,6 +47,10 @@ lib.mkIf (lib.elem "nvim::lsp" config.machine.pkgs) {
         init = # lua
           ''
             function()
+              -- Reserve a space in the gutter
+              -- This will avoid an annoying layout shift in the screen
+              vim.opt.signcolumn = 'yes'
+
               ---Force a specific language for ltex-ls
               ---@param lang string
               function SetLtexLang(lang)
@@ -81,15 +70,35 @@ lib.mkIf (lib.elem "nvim::lsp" config.machine.pkgs) {
         config = # lua
           ''
             function()
-              -- This is where all the LSP shenanigans will live
-              local lsp_zero = require('lsp-zero')
-              lsp_zero.extend_lspconfig()
+              local lsp_defaults = require('lspconfig').util.default_config
 
-              lsp_zero.on_attach(function(client, bufnr)
-                -- see :help lsp-zero-keybindings
-                -- to learn the available actions
-                lsp_zero.default_keymaps({buffer = bufnr})
-              end)
+              -- Add cmp_nvim_lsp capabilities settings to lspconfig
+              -- This should be executed before you configure any language server
+              lsp_defaults.capabilities = vim.tbl_deep_extend(
+                'force',
+                lsp_defaults.capabilities,
+                require('cmp_nvim_lsp').default_capabilities()
+              )
+
+              -- LspAttach is where you enable features that only work
+              -- if there is a language server active in the file
+              vim.api.nvim_create_autocmd('LspAttach', {
+                desc = 'LSP actions',
+                callback = function(event)
+                  local opts = {buffer = event.buf}
+
+                  vim.keymap.set('n', 'K', '<cmd>lua vim.lsp.buf.hover()<cr>', opts)
+                  vim.keymap.set('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<cr>', opts)
+                  vim.keymap.set('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<cr>', opts)
+                  vim.keymap.set('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<cr>', opts)
+                  vim.keymap.set('n', 'go', '<cmd>lua vim.lsp.buf.type_definition()<cr>', opts)
+                  vim.keymap.set('n', 'gr', '<cmd>lua vim.lsp.buf.references()<cr>', opts)
+                  vim.keymap.set('n', 'gs', '<cmd>lua vim.lsp.buf.signature_help()<cr>', opts)
+                  vim.keymap.set('n', '<F2>', '<cmd>lua vim.lsp.buf.rename()<cr>', opts)
+                  vim.keymap.set({'n', 'x'}, '<F3>', '<cmd>lua vim.lsp.buf.format({async = true})<cr>', opts)
+                  vim.keymap.set('n', '<F4>', '<cmd>lua vim.lsp.buf.code_action()<cr>', opts)
+                end,
+              })
 
               -- (Optional) Configure lua language server for neovim
               local lspconfig = require('lspconfig')