fix: cmp-omni messes with the lsp completion

If we use cmp-omni and lsp together, it seems that it will mess the
autocompletion. So we only use it with tex file, where lsp in not used.

README.md

@@ -13,7 +13,7 @@
       <img alt="Latest release" src="https://img.shields.io/github/v/release/jdhao/nvim-config" />
     </a>
     <a href="https://github.com/neovim/neovim/releases/tag/stable">
-      <img src="https://img.shields.io/badge/Neovim-0.8.0-blueviolet.svg?style=flat-square&logo=Neovim&logoColor=green" alt="Neovim minimum version"/>
+      <img src="https://img.shields.io/badge/Neovim-0.8.1-blueviolet.svg?style=flat-square&logo=Neovim&logoColor=green" alt="Neovim minimum version"/>
     </a>
     <a href="https://github.com/jdhao/nvim-config/search?l=vim-script">
       <img src="https://img.shields.io/github/languages/top/jdhao/nvim-config" alt="Top languages"/>
@@ -21,8 +21,8 @@
     <a href="https://github.com/jdhao/nvim-config/graphs/commit-activity">
       <img src="https://img.shields.io/github/commit-activity/m/jdhao/nvim-config?style=flat-square" />
     </a>
-    <a href="https://github.com/jdhao/nvim-config/releases/tag/v0.8.0">
+    <a href="https://github.com/jdhao/nvim-config/releases/tag/v0.8.1">
-      <img src="https://img.shields.io/github/commits-since/jdhao/nvim-config/v0.8.0?style=flat-square" />
+      <img src="https://img.shields.io/github/commits-since/jdhao/nvim-config/v0.8.1?style=flat-square" />
     </a>
     <a href="https://github.com/jdhao/nvim-config/graphs/contributors">
       <img src="https://img.shields.io/github/contributors/jdhao/nvim-config?style=flat-square" />

core/colorschemes.lua

@@ -7,17 +7,19 @@ local M = {}
 -- Colorscheme to its directory name mapping, because colorscheme repo name is not necessarily
 -- the same as the colorscheme name itself.
 M.colorscheme2dir = {
-  gruvbox8 = "vim-gruvbox8",
   onedark = "onedark.nvim",
   edge = "edge",
   sonokai = "sonokai",
   gruvbox_material = "gruvbox-material",
   nord = "nord.nvim",
-  doom_one = "doom-one.nvim",
   everforest = "everforest",
   nightfox = "nightfox.nvim",
   kanagawa = "kanagawa.nvim",
   catppuccin = "catppuccin",
+  rose_pine = "rose-pine",
+  onedarkpro = "onedarkpro.nvim",
+  monokai = "monokai.nvim",
+  material = "material.nvim",
 }
 
 M.gruvbox8 = function()
@@ -50,6 +52,10 @@ M.sonokai = function()
 end
 
 M.gruvbox_material = function()
+  -- foreground option can be material, mix, or original
+  vim.g.gruvbox_material_foreground = "material"
+  --background option can be hard, medium, soft
+  vim.g.gruvbox_material_background = "soft"
   vim.g.gruvbox_material_enable_italic = 1
   vim.g.gruvbox_material_better_performance = 1
 
@@ -88,6 +94,34 @@ M.catppuccin = function()
   vim.cmd([[colorscheme catppuccin]])
 end
 
+M.rose_pine = function()
+  require('rose-pine').setup({
+    --- @usage 'main' | 'moon'
+    dark_variant = 'moon',
+  })
+
+  -- set colorscheme after options
+  vim.cmd('colorscheme rose-pine')
+end
+
+M.onedarkpro = function()
+  require("onedarkpro").setup({
+    dark_theme = "onedark", -- The default dark theme
+  })
+
+  -- set colorscheme after options
+  vim.cmd('colorscheme onedarkpro')
+end
+
+M.monokai = function()
+  vim.cmd('colorscheme monokai_pro')
+end
+
+M.material = function ()
+  vim.g.material_style = "oceanic"
+  vim.cmd('colorscheme material')
+end
+
 --- Use a random colorscheme from the pre-defined list of colorschemes.
 M.rand_colorscheme = function()
   local colorscheme = utils.rand_element(vim.tbl_keys(M.colorscheme2dir))

init.lua

@@ -12,7 +12,7 @@ local api = vim.api
 local utils = require("utils")
 
 -- check if we have the latest stable version of nvim
-local expected_ver = "0.8.0"
+local expected_ver = "0.8.1"
 local nvim_ver = utils.get_nvim_version()
 
 if nvim_ver ~= expected_ver then

lua/config/nvim-cmp.lua

@@ -35,7 +35,6 @@ cmp.setup {
     { name = "ultisnips" }, -- For ultisnips user.
     { name = "path" }, -- for path completion
     { name = "buffer", keyword_length = 2 }, -- for buffer word completion
-    { name = "omni" },
     { name = "emoji", insert = true }, -- emoji completion
   },
   completion = {
@@ -61,6 +60,15 @@ cmp.setup {
   },
 }
 
+cmp.setup.filetype("tex", {
+  sources = {
+    { name = "omni" },
+    { name = "ultisnips" }, -- For ultisnips user.
+    { name = "buffer", keyword_length = 2 }, -- for buffer word completion
+    { name = "path" }, -- for path completion
+  },
+})
+
 --  see https://github.com/hrsh7th/nvim-cmp/wiki/Menu-Appearance#how-to-add-visual-studio-code-dark-theme-colors-to-the-menu
 vim.cmd([[
   highlight! link CmpItemMenu Comment

lua/plugins.lua

@@ -28,7 +28,6 @@ local function packer_ensure_install()
   return true
 end
 
-
 local fresh_install = packer_ensure_install()
 
 -- Load packer.nvim
@@ -124,17 +123,19 @@ packer.startup {
     use { "nvim-telescope/telescope-symbols.nvim", after = "telescope.nvim" }
 
     -- A list of colorscheme plugin you may want to try. Find what suits you.
-    use { "lifepillar/vim-gruvbox8", opt = true }
     use { "navarasu/onedark.nvim", opt = true }
     use { "sainnhe/edge", opt = true }
     use { "sainnhe/sonokai", opt = true }
     use { "sainnhe/gruvbox-material", opt = true }
     use { "shaunsingh/nord.nvim", opt = true }
-    use { "NTBBloodbath/doom-one.nvim", opt = true }
     use { "sainnhe/everforest", opt = true }
     use { "EdenEast/nightfox.nvim", opt = true }
     use { "rebelot/kanagawa.nvim", opt = true }
     use { "catppuccin/nvim", as = "catppuccin", opt = true }
+    use({ "rose-pine/neovim", as = 'rose-pine', opt = true })
+    use { "olimorris/onedarkpro.nvim", opt = true }
+    use { "tanvirtin/monokai.nvim", opt = true }
+    use { "marko-cerovac/material.nvim", opt = true }
 
     use { "kyazdani42/nvim-web-devicons", event = "VimEnter" }