From bb87a70cb27e010c07f040fc040296fa455e41ee Mon Sep 17 00:00:00 2001
From: salomaestro <chris10an.salomonsen@gmail.com>
Date: Sat, 22 Feb 2025 01:24:32 +0100
Subject: [PATCH] Add proper LaTeX support (finally)

---
 lua/configs/conform.lua   |  1 +
 lua/configs/lspconfig.lua | 43 ++++++++++++++++++++++++++++++++-------
 lua/plugins/init.lua      |  9 ++++++++
 3 files changed, 46 insertions(+), 7 deletions(-)

diff --git a/lua/configs/conform.lua b/lua/configs/conform.lua
index 79ce8c6..4238963 100644
--- a/lua/configs/conform.lua
+++ b/lua/configs/conform.lua
@@ -6,6 +6,7 @@ local options = {
     -- python = { "isort", "black" },
     python = { "isort", "ruff_fix", "ruff_format" },
     yaml = { "prettier" },
+    latex = { "bibtex-tidy", "tex-fmt", lsp_format = "fallback" }
   },
 
   -- format_on_save = {
diff --git a/lua/configs/lspconfig.lua b/lua/configs/lspconfig.lua
index 0c08797..afb39f8 100644
--- a/lua/configs/lspconfig.lua
+++ b/lua/configs/lspconfig.lua
@@ -5,7 +5,7 @@ local lspconfig = require "lspconfig"
 nvlsp.defaults()
 
 -- EXAMPLE
-local servers = { "html", "cssls", "ruff", "jedi_language_server", "yls", "lua_ls" }
+local servers = { "html", "cssls", "ruff", "jedi_language_server", "yls", "lua_ls", "texlab" }
 
 -- lsps with default config
 for _, lsp in ipairs(servers) do
@@ -16,12 +16,41 @@ for _, lsp in ipairs(servers) do
   }
 end
 
--- configuring single server, example: typescript
--- lspconfig.ts_ls.setup {
---   on_attach = nvlsp.on_attach,
---   on_init = nvlsp.on_init,
---   capabilities = nvlsp.capabilities,
--- }
+-- lspconfig.texlab.setup({
+--   settings = {
+--     latex = {
+--       build = {
+--         executable = "latexmk",
+--         args = { "-pdf", "-interaction=nonstopmode", "-synctex=1", "%f" },
+--         onSave = true,
+--       },
+--     },
+--   },
+-- })
+
+-- Set up LTeX separately
+lspconfig.ltex.setup {
+  on_init = nvlsp.on_init,
+  capabilities = nvlsp.capabilities,
+
+  on_attach = function(client, bufnr)
+    -- Run NvChad's on_attach for your usual LSP keymaps
+    nvlsp.on_attach(client, bufnr)
+
+    require("ltex_extra").setup {
+      load_langs = { "en-GB", "nb" },
+      init_check = true,
+      path = vim.fn.expand("~/.local/share/ltex"), -- where to store language dicts
+    }
+  end,
+
+  settings = {
+    ltex = {
+      language = "en-GB",
+      additionalLanguages = { "nb" },
+    },
+  },
+}
 
 lspconfig.ruff.setup({
   init_options = {
diff --git a/lua/plugins/init.lua b/lua/plugins/init.lua
index 43f8788..478fb7f 100644
--- a/lua/plugins/init.lua
+++ b/lua/plugins/init.lua
@@ -103,6 +103,10 @@ return {
         "lua",
         "python",
         "markdown",
+        "latex",
+      },
+      highlight = {
+        enable = true,
       },
     },
   },
@@ -258,4 +262,9 @@ return {
     lazy = false,
   },
 
+  {
+    "barreiroleo/ltex-extra.nvim",
+    ft = { "markdown", "tex" },
+    dependencies = { "neovim/nvim-lspconfig" },
+  },
 }