From bc36afea7e6cfa4234eb65bc1b61819756d7cfa2 Mon Sep 17 00:00:00 2001
From: cool-mist <n.suryap@gmail.com>
Date: Mon, 19 Feb 2024 17:53:03 +0530
Subject: [PATCH] Better rust LSP, slimmer configs, catpuccin

---
 init.lua | 68 +++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 40 insertions(+), 28 deletions(-)

diff --git a/init.lua b/init.lua
index 6bef37b..f819d5b 100644
--- a/init.lua
+++ b/init.lua
@@ -30,7 +30,6 @@ O.termguicolors=true
 --}
 O.clipboard='unnamedplus'
 
-V.cmd("colorscheme lunaperche")
 
 --------------------------
 ----  Config Section -----
@@ -80,32 +79,24 @@ local packer = require('packer')
 packer.startup({function(u)
   u 'wbthomason/packer.nvim'
 
+  -- Colorscheme
+  u {
+    'catppuccin/nvim', as = 'catppuccin'
+  }
+
   -- LSP + Autocomplete
-  u 'neovim/nvim-lspconfig'
   u 'williamboman/mason.nvim'
   u 'williamboman/mason-lspconfig.nvim'
+  u 'neovim/nvim-lspconfig'
   u 'hrsh7th/nvim-cmp'
   u 'hrsh7th/cmp-nvim-lsp'
   u 'hrsh7th/cmp-buffer'
   u 'hrsh7th/cmp-path'
-  u 'L3MON4D3/LuaSnip'
-  u 'Sirver/ultisnips'
-  u 'simrat39/rust-tools.nvim'
-  u 'honza/vim-snippets'
-  u {
-    'VonHeikemen/lsp-zero.nvim',
-    branch = 'v2.x'
-  }
-
-  -- Debugging
-  u 'puremourning/vimspector'
 
   -- Markdown
   u 'godlygeek/tabular'
-  u 'elzr/vim-json'
   u 'preservim/vim-markdown'
   u 'vim-pandoc/vim-pandoc-syntax'
-  u 'itchyny/calendar.vim'
   u 'junegunn/goyo.vim'
   u 'junegunn/limelight.vim'
 
@@ -162,22 +153,44 @@ config = {
 --- 5 --- Plugins conf----
 --------------------------
 
-local telescope = require('telescope')
-telescope.setup();
+V.cmd("colorscheme catppuccin")
+V.cmd("let g:lightline = {'colorscheme': 'catppuccin'}")
 
-local lsp = require('lsp-zero').preset({})
-lsp.on_attach(function(client, bufnr)
-  lsp.default_keymaps({buffer = bufnr})
-end)
+require('telescope').setup()
 
-lsp.ensure_installed({
-  'tsserver',
-  'eslint',
-  'rust_analyzer',
+require("mason").setup()
+require("mason-lspconfig").setup()
+require("lspconfig").rust_analyzer.setup {}
+
+vim.api.nvim_create_autocmd('LspAttach', {
+  group = vim.api.nvim_create_augroup('UserLspConfig', {}),
+  callback = function(ev)
+    -- Enable completion triggered by <c-x><c-o>
+    vim.bo[ev.buf].omnifunc = 'v:lua.vim.lsp.omnifunc'
+
+    -- Buffer local mappings.
+    -- See `:help vim.lsp.*` for documentation on any of the below functions
+    local opts = { buffer = ev.buf }
+    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts)
+    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts)
+    vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
+    vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, opts)
+    vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts)
+    vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, opts)
+    vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, opts)
+    vim.keymap.set('n', '<space>wl', function()
+      print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
+    end, opts)
+    vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, opts)
+    vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, opts)
+    vim.keymap.set({ 'n', 'v' }, '<space>ca', vim.lsp.buf.code_action, opts)
+    vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts)
+    vim.keymap.set('n', '<space>ff', function()
+      vim.lsp.buf.format { async = true }
+    end, opts)
+  end,
 })
 
-lsp.setup();
-
 local cmp = require('cmp')
 cmp.setup {
     mapping = {
@@ -299,7 +312,6 @@ keymap("x", "tt", ":ToggleTerm<cr>", opts)
 keymap('n', '<leader>tf', ':TableFormat<cr>', opts)
 keymap('n', '<leader>tc', ':Toc<cr>', opts)
 keymap('n', '<leader>di', ":pu='{'..strftime('%c')..'}'<cr>", opts)
-keymap('n', '<leader>cs', ":Calendar -view=year -height=12 -split=vertical -position=topright<cr>", opts)
 keymap('n', '<leader>o', 'o<esc>i', opts)
 keymap('n', '<leader>fy', ':let @+=@%<cr>', opts)
 keymap('n', 'gn', 'yi[:e <C-r>*<cr>', opts)