feat: update diagnostic mappings

Use separate key mappings to show diagnostics for the current buffer and
all opened files.

lua/config/lsp.lua

@@ -6,6 +6,18 @@ local diagnostic = vim.diagnostic
 
 local utils = require("utils")
 
+-- set quickfix list from diagnostics in a certain buffer, not the whole workspace
+local set_qflist = function(buf_num, severity)
+  local diagnostics = nil
+  diagnostics = diagnostic.get(buf_num, { severity = severity })
+
+  local qf_items = diagnostic.toqflist(diagnostics)
+  vim.fn.setqflist({}, ' ', { title = 'Diagnostics', items = qf_items })
+
+  -- open quickfix by default
+  vim.cmd[[copen]]
+end
+
 local custom_attach = function(client, bufnr)
   -- Mappings.
   local map = function(mode, l, r, opts)
@@ -23,7 +35,10 @@ local custom_attach = function(client, bufnr)
   map("n", "gr", vim.lsp.buf.references, { desc = "show references" })
   map("n", "[d", diagnostic.goto_prev, { desc = "previous diagnostic" })
   map("n", "]d", diagnostic.goto_next, { desc = "next diagnostic" })
-  map("n", "<space>q", diagnostic.setqflist, { desc = "put diagnostic to qf" })
+  -- this puts diagnostics from opened files to quickfix
+  map("n", "<space>qw", diagnostic.setqflist, { desc = "put window diagnostics to qf" })
+  -- this puts diagnostics from current buffer to quickfix
+  map("n", "<space>qb", function() set_qflist(bufnr) end, { desc = "put buffer diagnostics to qf" })
   map("n", "<space>ca", vim.lsp.buf.code_action, { desc = "LSP code action" })
   map("n", "<space>wa", vim.lsp.buf.add_workspace_folder, { desc = "add workspace folder" })
   map("n", "<space>wr", vim.lsp.buf.remove_workspace_folder, { desc = "remove workspace folder" })
@@ -104,12 +119,21 @@ if utils.executable("pylsp") then
     settings = {
       pylsp = {
         plugins = {
+          -- formatter options
+          black = { enabled = true },
+          autopep8 = { enabled = false },
+          yapf = { enabled = false },
+          -- linter options
           pylint = { enabled = true, executable = "pylint" },
+          ruff = { enabled = false },
           pyflakes = { enabled = false },
           pycodestyle = { enabled = false },
+          -- type checker
+          pylsp_mypy = { enabled = true, report_progress = true, live_mode = false },
+          -- auto-completion options
           jedi_completion = { fuzzy = true },
-          pyls_isort = { enabled = true },
-          pylsp_mypy = { enabled = true },
+          -- import sorting
+          isort = { enabled = true },
         },
       },
     },

lua/config/treesitter.lua

@@ -1,5 +1,5 @@
 require("nvim-treesitter.configs").setup {
-  ensure_installed = { "python", "cpp", "lua", "vim", "json" },
+  ensure_installed = { "python", "cpp", "lua", "vim", "json", "toml" },
   ignore_install = {}, -- List of parsers to ignore installing
   highlight = {
     enable = true, -- false will disable the whole extension