Code completion with easycomplete

lua/code-completion.lua

@@ -4,103 +4,29 @@
 -- preview: show more details
 vim.opt.completeopt = { "menu", "menuone" }
 
--- shortmess is used to reduce verbocity
--- vim.opt.shortmess = vim.opt.shortmess + { c = true }
-local cmp = require("cmp")
-cmp.setup({
-	-- configuration
-	snippet = {
-		expand = function(args)
-			vim.fn["UltiSnips#Anon"](args.body)
-		end,
-	},
+vim.g.easycomplete_cursor_word_hl = 1
+vim.g.easycomplete_nerd_font = 1
 
-	-- Add borders to the windows
-	-- window = {
-	-- 	completion = cmp.config.window.bordered(),
-	-- 	documentation = cmp.config.window.bordered(),
-	-- },
+-- Bind reference and navigation options (using f as primary)
+vim.keymap.set("n", "fr", ":EasyCompleteReference<CR>")
+vim.keymap.set("n", "fd", ":EasyCompleteGotoDefinition<CR>")
+vim.keymap.set("n", "fn", ":EasyCompleteRename<CR>")
+vim.keymap.set("n", "fb", ":BackToOriginalBuffer<CR>")
 
-	-- mapping
-	mapping = cmp.mapping.preset.insert({
-		-- Shift+TAB to go to the Previous Suggested item
-		["<C-k>"] = cmp.mapping.select_prev_item(),
-		-- Tab to go to the next suggestion
-		["<C-j>"] = cmp.mapping.select_next_item(),
-		-- CTRL+SHIFT+f to scroll backwards in description
-		["<C-S-f>"] = cmp.mapping.scroll_docs(-4),
-		-- CTRL+F to scroll forwards in the description
-		["<C-f>"] = cmp.mapping.scroll_docs(4),
-		-- CTRL+SPACE to bring up completion at current Cursor location
-		["<C-Space>"] = cmp.mapping.complete(),
-		-- CTRL+e to exit suggestion and close it
-		["<C-d>"] = cmp.mapping.close(), -- TODO: Search better option
-		-- CR (enter or return) to CONFIRM the currently selection suggestion
-		-- We set the ConfirmBehavior to insert the Selected suggestion
-		["<CR>"] = cmp.mapping.confirm({
-			behavior = cmp.ConfirmBehavior.Insert,
-			select = true,
-		}),
-	}),
+vim.g.easycomplete_pum_format = { "kind", "abbr", "menu" }
+vim.cmd([[
+    hi EasyFuzzyMatch guifg=lightblue
+]])
+vim.g.easycomplete_directory_enable = 1
 
-	-- installed sources for code suggestion
-	sources = cmp.config.sources({
-		{ name = "ultisnips", keyword_length = 1 },
-		{ name = "path" },
-		{ name = "nvim_lsp", keyword_length = 2 },
-		{ name = "nvim_lsp_signature_help" },
-		{ name = "nvim_lua", keyword_length = 4 },
-		{ name = "buffer", keyword_length = 3 },
-		{ name = "calc" },
-		{ name = "lua-latex-symbols", option = { cache = true } },
-		-- { name = "spell", option = { keep_all_entries = false }, keyword_length = 2 },
-		-- { name = "fuzzy_buffer", keyword_length = 2 }, -- Throwing unknown errors
-	}),
+vim.g.easycomplete_tab_trigger = "<c-j>"
+vim.g.easycomplete_shift_tab_trigger = "<c-k>"
 
-	-- add formatting of the different sources
-	formatting = {
-		fields = { "menu", "abbr", "kind" },
-		format = function(entry, item)
-			local menu_icon = {
-				nvim_lsp = "λ",
-				ultisnips = "⋗",
-				path = "🌐",
-				calc = "Σ",
-				buffer = "📚",
-				lualatexsymbols = "𝕋",
-				spell = "📚",
-				fuzzy_buffer = "📄",
-			}
-			item.menu = menu_icon[entry.source.name]
-			return item
-		end,
-	},
-})
-
--- Set configuration for specific filetype.
-cmp.setup.filetype("gitcommit", {
-	sources = cmp.config.sources({
-		{ name = "cmp_git" }, -- You can specify the `cmp_git` source if you were installed it.
-	}, {
-		{ name = "buffer" },
-	}),
-})
-
--- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
-cmp.setup.cmdline({ "/", "?" }, {
-	mapping = cmp.mapping.preset.cmdline(),
-	sources = {
-		{ name = "buffer" },
-	},
-})
-
--- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
-cmp.setup.cmdline(":", {
-	mapping = cmp.mapping.preset.cmdline(),
-	sources = cmp.config.sources({
-		{ name = "path" },
-		{ name = "cmdline_history", keyword_length = 15 },
-	}, {
-		{ name = "cmdline" },
-	}),
-})
+-- Diagnostics
+vim.g.easycomplete_diagnostics_next = "<c-n>"
+vim.g.easycomplete_diagnostics_prev = "<c-p>"
+vim.g.easycomplete_signature_offset = 0
+vim.g.easycomplete_diagnostics_enable = 1
+vim.g.easycomplete_signature_enable = 1
+vim.g.easycomplete_diagnostics_hover = 1
+vim.g.easycomplete_lsp_checking = 0 -- suppress warning on startup, must run LSPInstall manually