Initial commit

nvim/plugin/autocommands.lua

@@ -0,0 +1,154 @@
+if vim.g.did_load_autocommands_plugin then
+  return
+end
+vim.g.did_load_autocommands_plugin = true
+
+local api = vim.api
+
+local tempdirgroup = api.nvim_create_augroup('tempdir', { clear = true })
+-- Do not set undofile for files in /tmp
+api.nvim_create_autocmd('BufWritePre', {
+  pattern = '/tmp/*',
+  group = tempdirgroup,
+  callback = function()
+    vim.cmd.setlocal('noundofile')
+  end,
+})
+
+-- Disable spell checking in terminal buffers
+local nospell_group = api.nvim_create_augroup('nospell', { clear = true })
+api.nvim_create_autocmd('TermOpen', {
+  group = nospell_group,
+  callback = function()
+    vim.wo[0].spell = false
+  end,
+})
+
+-- LSP
+local keymap = vim.keymap
+
+local function preview_location_callback(_, result)
+  if result == nil or vim.tbl_isempty(result) then
+    return nil
+  end
+  local buf, _ = vim.lsp.util.preview_location(result[1])
+  if buf then
+    local cur_buf = vim.api.nvim_get_current_buf()
+    vim.bo[buf].filetype = vim.bo[cur_buf].filetype
+  end
+end
+
+local function peek_definition()
+  local params = vim.lsp.util.make_position_params()
+  return vim.lsp.buf_request(0, 'textDocument/definition', params, preview_location_callback)
+end
+
+local function peek_type_definition()
+  local params = vim.lsp.util.make_position_params()
+  return vim.lsp.buf_request(0, 'textDocument/typeDefinition', params, preview_location_callback)
+end
+
+--- Don't create a comment string when hitting <Enter> on a comment line
+vim.api.nvim_create_autocmd('BufEnter', {
+  group = vim.api.nvim_create_augroup('DisableNewLineAutoCommentString', {}),
+  callback = function()
+    vim.opt.formatoptions = vim.opt.formatoptions - { 'c', 'r', 'o' }
+  end,
+})
+
+vim.api.nvim_create_autocmd('LspAttach', {
+  group = vim.api.nvim_create_augroup('UserLspConfig', {}),
+  callback = function(ev)
+    local bufnr = ev.buf
+    local client = vim.lsp.get_client_by_id(ev.data.client_id)
+
+    -- Attach plugins
+    require('nvim-navic').attach(client, bufnr)
+
+    vim.cmd.setlocal('signcolumn=yes')
+    vim.bo[bufnr].bufhidden = 'hide'
+
+    -- Enable completion triggered by <c-x><c-o>
+    vim.bo[bufnr].omnifunc = 'v:lua.vim.lsp.omnifunc'
+    local function desc(description)
+      return { noremap = true, silent = true, buffer = bufnr, desc = description }
+    end
+    keymap.set('n', 'gD', vim.lsp.buf.declaration, desc('lsp [g]o to [D]eclaration'))
+    keymap.set('n', 'gd', vim.lsp.buf.definition, desc('lsp [g]o to [d]efinition'))
+    keymap.set('n', '<space>gt', vim.lsp.buf.type_definition, desc('lsp [g]o to [t]ype definition'))
+    keymap.set('n', 'K', vim.lsp.buf.hover, desc('[lsp] hover'))
+    keymap.set('n', '<space>pd', peek_definition, desc('lsp [p]eek [d]efinition'))
+    keymap.set('n', '<space>pt', peek_type_definition, desc('lsp [p]eek [t]ype definition'))
+    keymap.set('n', 'gi', vim.lsp.buf.implementation, desc('lsp [g]o to [i]mplementation'))
+    keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, desc('[lsp] signature help'))
+    keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, desc('lsp add [w]orksp[a]ce folder'))
+    keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, desc('lsp [w]orkspace folder [r]emove'))
+    keymap.set('n', '<space>wl', function()
+      vim.print(vim.lsp.buf.list_workspace_folders())
+    end, desc('[lsp] [w]orkspace folders [l]ist'))
+    keymap.set('n', '<space>rn', vim.lsp.buf.rename, desc('lsp [r]e[n]ame'))
+    keymap.set('n', '<space>wq', vim.lsp.buf.workspace_symbol, desc('lsp [w]orkspace symbol [q]'))
+    keymap.set('n', '<space>dd', vim.lsp.buf.document_symbol, desc('lsp [dd]ocument symbol'))
+    keymap.set('n', '<M-CR>', vim.lsp.buf.code_action, desc('[lsp] code action'))
+    keymap.set('n', '<M-l>', vim.lsp.codelens.run, desc('[lsp] run code lens'))
+    keymap.set('n', '<space>cr', vim.lsp.codelens.refresh, desc('lsp [c]ode lenses [r]efresh'))
+    keymap.set('n', 'gr', vim.lsp.buf.references, desc('lsp [g]et [r]eferences'))
+    keymap.set('n', '<space>f', function()
+      vim.lsp.buf.format { async = true }
+    end, desc('[lsp] [f]ormat buffer'))
+    if client.server_capabilities.inlayHintProvider then
+      keymap.set('n', '<space>h', function()
+        local current_setting = vim.lsp.inlay_hint.is_enabled(bufnr)
+        vim.lsp.inlay_hint.enable(bufnr, not current_setting)
+      end, desc('[lsp] toggle inlay hints'))
+    end
+
+    -- Auto-refresh code lenses
+    if not client then
+      return
+    end
+    local function buf_refresh_codeLens()
+      vim.schedule(function()
+        if client.server_capabilities.codeLensProvider then
+          vim.lsp.codelens.refresh()
+          return
+        end
+      end)
+    end
+    local group = api.nvim_create_augroup(string.format('lsp-%s-%s', bufnr, client.id), {})
+    if client.server_capabilities.codeLensProvider then
+      vim.api.nvim_create_autocmd({ 'InsertLeave', 'BufWritePost', 'TextChanged' }, {
+        group = group,
+        callback = buf_refresh_codeLens,
+        buffer = bufnr,
+      })
+      buf_refresh_codeLens()
+    end
+  end,
+})
+
+-- More examples, disabled by default
+
+-- Toggle between relative/absolute line numbers
+-- Show relative line numbers in the current buffer,
+-- absolute line numbers in inactive buffers
+-- local numbertoggle = api.nvim_create_augroup('numbertoggle', { clear = true })
+-- api.nvim_create_autocmd({ 'BufEnter', 'FocusGained', 'InsertLeave', 'CmdlineLeave', 'WinEnter' }, {
+--   pattern = '*',
+--   group = numbertoggle,
+--   callback = function()
+--     if vim.o.nu and vim.api.nvim_get_mode().mode ~= 'i' then
+--       vim.opt.relativenumber = true
+--     end
+--   end,
+-- })
+-- api.nvim_create_autocmd({ 'BufLeave', 'FocusLost', 'InsertEnter', 'CmdlineEnter', 'WinLeave' }, {
+--   pattern = '*',
+--   group = numbertoggle,
+--   callback = function()
+--     if vim.o.nu then
+--       vim.opt.relativenumber = false
+--       vim.cmd.redraw()
+--     end
+--   end,
+-- })