cleanup and remove unused plugins

lua/core/autocmd.lua

@@ -2,31 +2,69 @@
 
 -- Disable autocommenting on new lines under commented ones
 
-vim.api.nvim_create_autocmd("Filetype", {
-	pattern = "*",
-	command = "setlocal formatoptions-=c formatoptions-=r formatoptions-=o"
+local augroup = vim.api.nvim_create_augroup
+local autocmd = vim.api.nvim_create_autocmd
+
+local custom_augroup = augroup('custom_augroup', {})
+
+autocmd("Filetype", {
+  pattern = "*",
+  command = "setlocal formatoptions-=c formatoptions-=r formatoptions-=o"
 })
 
 -- persistent folds
-vim.api.nvim_create_autocmd({"BufWinLeave"}, {
-  pattern = {"*.*"},
+autocmd({ "BufWinLeave" }, {
+  group = custom_augroup,
+  pattern = { "*.*" },
   desc = "save view (folds), when closing file",
   command = "mkview",
 })
-vim.api.nvim_create_autocmd({"BufWinEnter"}, {
-  pattern = {"*.*"},
+autocmd({ "BufWinEnter" }, {
+  group = custom_augroup,
+  pattern = { "*.*" },
   desc = "load view (folds), when opening file",
   command = "silent! loadview"
 })
 
-vim.api.nvim_create_autocmd("WinEnter", {
-    callback = function()
-        vim.wo.cursorline = true
-    end,
+autocmd("WinEnter", {
+  group = custom_augroup,
+  callback = function()
+    vim.wo.cursorline = true
+  end,
 })
 
-vim.api.nvim_create_autocmd("WinLeave", {
-    callback = function()
-        vim.wo.cursorline = false
-    end,
+autocmd("WinLeave", {
+  group = custom_augroup,
+  callback = function()
+    vim.wo.cursorline = false
+  end,
+})
+
+-- remove trailing whitespace
+autocmd({"BufWritePre"}, {
+    group = custom_augroup,
+    pattern = "*",
+    command = [[%s/\s\+$//e]],
+})
+
+autocmd("LspAttach", {
+  group = custom_augroup,
+
+  callback = function(e)
+    -- keymaps --
+    local opts = { buffer = e.buf }
+    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts)
+    vim.keymap.set('n', 'K', function() vim.lsp.buf.hover { border = "rounded" } end, opts)
+    vim.keymap.set('n', '<space>cl', "<cmd>LspInfo<cr>", opts)
+    vim.keymap.set('n', '<space>cd', vim.diagnostic.open_float, opts)
+    vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
+    vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
+    vim.keymap.set('n', '<space>gr', vim.lsp.buf.references, opts)
+    vim.keymap.set('n', '<space>cf', function() vim.lsp.buf.format { async = true } end, opts)
+    vim.keymap.set('v', '<space>cf', function() vim.lsp.buf.format { async = true } end, opts)
+    vim.keymap.set("n", "<leader>ws", function() vim.lsp.buf.workspace_symbol() end, opts)
+    vim.keymap.set("i", "<C-s>", function() vim.lsp.buf.signature_help { border = "rounded" } end, opts)
+    vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, opts)
+    vim.keymap.set("n", "<leader>cw", function() vim.lsp.buf.rename() end, opts)
+  end,
 })

lua/core/remap.lua

@@ -22,6 +22,10 @@ vim.api.nvim_set_keymap("n", "<leader>bd", "<cmd>bd<cr>", {})
 vim.api.nvim_set_keymap("n", "<leader>bn", "<cmd>bnext<cr>", {})
 vim.api.nvim_set_keymap("n", "<leader>bp", "<cmd>bprevious<cr>", {})
 
+-- quickfix operations
+vim.api.nvim_set_keymap("n", "<leader>qc", "<cmd>ccl<cr>", {})
+vim.api.nvim_set_keymap("n", "<leader>qw", "<cmd>cw<cr>", {})
+
 -- moving visual blocks
 vim.api.nvim_set_keymap("v", "J", ":m '>+1<cr>gv=gv", {})
 vim.api.nvim_set_keymap("v", "K", ":m '<-2<cr>gv=gv", {})
@@ -55,11 +59,15 @@ vim.api.nvim_set_keymap("n", "<leader>XX", ":qa!<cr>", {})
 vim.api.nvim_set_keymap("n", "<leader>XZZ", ":wqa!<cr>", {})
 vim.api.nvim_set_keymap("n", "<leader>x", ":q<cr>", {})
 
--- fast editing
-vim.api.nvim_set_keymap("n", "<leader>E", ":e ", {})
-
 -- vertical resize
 vim.api.nvim_set_keymap("n", "<leader>vr", ":vertical-resize ", {})
 
--- fast Todo and way to notes
-vim.api.nvim_set_keymap("n", "<leader>N", ":e ~/notes/Todo.md<cr>", {})
+vim.cmd([[
+function! CenterPane()
+   lefta vnew
+   wincmd w
+   exec 'vertical resize '. string(&columns * 0.75)
+ endfunction
+]])
+
+vim.api.nvim_set_keymap("n", "<leader>C", ":call CenterPane()<cr>", {})

lua/core/settings.lua

@@ -61,11 +61,8 @@ vim.api.nvim_set_option("splitright",true)
 
 -- disable Netrw-Banner
 vim.g.netrw_banner = 0
-
--- disable Netrw for Filetree Plugin
-vim.g.loaded_netrw = 1
-vim.g.loaded_netrwPlugin = 1
-
+vim.g.netrw_browse_split = 0
+vim.g.netrw_winsize = 25
 
 -- undotree file management
 vim.opt.swapfile = false