themes, cursor shape, lsp, completion, snippets

init.lua

@@ -23,6 +23,17 @@ vim.opt.hlsearch = true
 --incsearch
 vim.cmd([[highlight ColorColumn ctermbg=9]])
 
+-- don't use NeoVim's thin cursor
+vim.opt.guicursor = ""
+
+vim.g.tokyonight_style = "night"
+vim.cmd([[colorscheme tokyonight]])
+--vim.cmd([[colorscheme PaperColor]])
+--vim.cmd([[colorscheme moonfly]])
+
+vim.api.nvim_set_keymap("n", "<SPACE>", "<Nop>", { noremap = true })
+vim.g.mapleader = " "
+
 for _, mode in ipairs({"n", "i"}) do
     vim.api.nvim_set_keymap(mode, "<Up>", "g<Up>", { noremap = true })
     vim.api.nvim_set_keymap(mode, "<Down>", "g<Down>", { noremap = true })
@@ -32,8 +43,120 @@ for _, mode in ipairs({"n", "i"}) do
     vim.api.nvim_set_keymap(mode, "<Up>", "<Nop>", { noremap = true })
 end
 
+vim.api.nvim_set_keymap("n", "<Leader>o", "<Cmd>lua vim.diagnostic.open_float()<CR>", { noremap = true })
+
 require('plugins')
-require'lspconfig'.pyright.setup{}
+-- require'lspconfig'.pyright.setup{}
+local nvim_lsp = require'lspconfig'
+nvim_lsp.pyright.setup{}
+
+-- local on_attach = function(client)
+--     require'completion'.on_attach(client)
+-- end
+
+
+-- require('snippy').setup({
+--     mappings = {
+--         is = {
+--             ['<Tab>'] = 'expand_or_advance',
+--             ['<S-Tab>'] = 'previous',
+--         },
+--         nx = {
+--             ['<leader>x'] = 'cut_text',
+--         },
+--     },
+-- })
+
+local cmp = require'cmp'
+local snippy = require('snippy')
+
+cmp.setup({
+    
+    snippet = {
+        expand = function(args)
+            snippy.expand_snippet(args.body)
+        end
+    },
+    window = {
+      completion = cmp.config.window.bordered(),
+      documentation = cmp.config.window.bordered(),
+    },
+    mapping = cmp.mapping.preset.insert({
+      ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+      ['<C-f>'] = cmp.mapping.scroll_docs(4),
+      ['<C-Space>'] = cmp.mapping.complete(),
+      ['<C-e>'] = cmp.mapping.abort(),
+      -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+      ['<CR>'] = cmp.mapping.confirm({ select = true }),
+      ["<Tab>"] = cmp.mapping(function(fallback)
+        if cmp.visible() then
+          cmp.select_next_item()
+        elseif snippy.can_expand_or_advance() then
+          snippy.expand_or_advance()
+        else
+          fallback()
+        end
+      end, { "i", "s" }),
+
+      ["<S-Tab>"] = cmp.mapping(function(fallback)
+        if cmp.visible() then
+          cmp.select_prev_item()
+        elseif snippy.can_jump(-1) then
+          snippy.previous()
+        else
+          fallback()
+        end
+      end, { "i", "s" }),
+    }),
+    sources = cmp.config.sources({
+      { name = 'nvim_lsp' },
+      { name = 'snippy' },
+      { name = 'buffer' },
+    })
+})
+
+local capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())
+nvim_lsp.rust_analyzer.setup({
+    capabilities = capabilities,
+    settings = {
+        ["rust-analyzer"] = {
+        }
+    }
+})
+
+vim.diagnostic.config({
+    underline = true,
+    signs = true,
+    virtual_text = true,
+    float = {
+        show_header = true,
+        source = 'if_many',
+        border = 'rounded',
+        focusable = false,
+    }
+})
+
+-- -- trouble.nvim mappings
+-- vim.api.nvim_set_keymap("n", "<leader>xx", "<cmd>Trouble<cr>",
+--   {silent = true, noremap = true}
+-- )
+-- vim.api.nvim_set_keymap("n", "<leader>xw", "<cmd>Trouble workspace_diagnostics<cr>",
+--   {silent = true, noremap = true}
+-- )
+-- vim.api.nvim_set_keymap("n", "<leader>xd", "<cmd>Trouble document_diagnostics<cr>",
+--   {silent = true, noremap = true}
+-- )
+-- vim.api.nvim_set_keymap("n", "<leader>xl", "<cmd>Trouble loclist<cr>",
+--   {silent = true, noremap = true}
+-- )
+-- vim.api.nvim_set_keymap("n", "<leader>xq", "<cmd>Trouble quickfix<cr>",
+--   {silent = true, noremap = true}
+-- )
+-- vim.api.nvim_set_keymap("n", "gR", "<cmd>Trouble lsp_references<cr>",
+--   {silent = true, noremap = true}
+-- )
+
+
 
 
 -- original init.vim

lua/plugins.lua

@@ -2,9 +2,18 @@
 vim.cmd [[packadd packer.nvim]]
 
 local packer = require('packer')
-packer.startup(function(use)
+packer.startup(
+    function(use)
         use 'wbthomason/packer.nvim'
         use 'neovim/nvim-lspconfig'
         use 'mg979/vim-visual-multi'
         use 'farmergreg/vim-lastplace'
-end)
+        use 'hrsh7th/cmp-nvim-lsp'
+        use 'hrsh7th/nvim-cmp'
+        use 'dcampos/nvim-snippy'
+        use 'dcampos/cmp-snippy'
+        use 'folke/tokyonight.nvim'
+        use 'bluz71/vim-moonfly-colors'
+        use 'NLKNguyen/papercolor-theme'
+    end
+)