From 4e2c14eb853ae25b66a9f12250f9856b8d954282 Mon Sep 17 00:00:00 2001
From: Josh Rahm <rahm@google.com>
Date: Thu, 7 Mar 2024 01:25:09 +0000
Subject: Big rice and colors overhaul for neovim

---
 lua/lsp.lua | 93 ++++++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 73 insertions(+), 20 deletions(-)

(limited to 'lua')

diff --git a/lua/lsp.lua b/lua/lsp.lua
index 0902e06..35f36be 100644
--- a/lua/lsp.lua
+++ b/lua/lsp.lua
@@ -77,28 +77,60 @@ vim.opt.completeopt = { "menu", "menuone", "noselect" }
 -- Don't show matching
 vim.opt.shortmess:append("c")
 
-local lspkind = require("lspkind") lspkind.init()
+local lspkind = require("lspkind") lspkind.init({
+    symbol_map = {
+      Text = "󰉿",
+      Method = "󰊕",
+      Function = "λ",
+      Constructor = "",
+      Field = "󰜢",
+      Variable = "󰀫",
+      Class = "󰠱",
+      Interface = "",
+      Module = "󰆧",
+      Property = "󰜢",
+      Unit = "󰑭",
+      Value = "󰎠",
+      Enum = "",
+      Keyword = "󰌋",
+      Snippet = "",
+      Color = "󰏘",
+      File = "󰈙",
+      Reference = "󰈇",
+      Folder = "󰉋",
+      EnumMember = "",
+      Constant = "󰏿",
+      Struct = "󰙅",
+      Event = "",
+      Operator = "󰆕",
+      TypeParameter = "τ",
+    },
+})
 
 local cmp = require("cmp")
 
 cmp.setup({
   mapping = {
-    ["<C-d>"] = cmp.mapping.scroll_docs(-4),
-    ["<C-u>"] = cmp.mapping.scroll_docs(4),
+    ["<C-d>"] = cmp.mapping.scroll_docs(-4, { "i", "s" }),
+    ["<C-u>"] = cmp.mapping.scroll_docs(4, { "i", "s" }),
     ["<C-e>"] = cmp.mapping.close(),
     ["<C-Space>"] = cmp.mapping(cmp.mapping.complete(), { "i", "c" }),
     ["<C-n>"] = cmp.mapping(function(fallback)
       cmp.select_next_item()
+      -- Kill any outstanding snippets
+      vim.fn["vsnip#deactivate"]()
     end, { "i", "s" }),
     ["<C-p>"] = cmp.mapping(function(fallback)
       cmp.select_prev_item()
+      -- Kill any outstanding snippets
+      vim.fn["vsnip#deactivate"]()
     end, { "i", "s" }),
 
     ["<Tab>"] = cmp.mapping(function(fallback)
-      if cmp.visible() then
-        cmp.mapping.confirm({ select = true })()
-      elseif vim.fn["vsnip#available"](1) == 1 then
+      if vim.fn["vsnip#available"](1) == 1 then
         feedkey("<Plug>(vsnip-expand-or-jump)", "")
+      elseif cmp.visible() then
+        cmp.mapping.confirm({ select = true })()
       elseif has_words_before() then
         cmp.complete()
       else
@@ -115,6 +147,41 @@ cmp.setup({
     end, { "i", "s" }),
   },
 
+  formatting = {
+    format = lspkind.cmp_format({
+      mode = 'symbol_text',
+      maxwidth = 50,
+      ellipsis_char = '...',
+      show_labelDetails = true,
+      before = function(_, vim_item)
+        local function split_silly_function_arguments(str)
+          if string.len(str) == 0 or string.find(str, "[(]") == nil then
+            return str, ""
+          end
+
+          local name_start, name_end = 1, string.find(str, "[(]") - 1
+          local function_name = string.sub(str, name_start, name_end)
+          local arguments = string.sub(str, name_end + 1)
+
+          return function_name, arguments
+        end
+
+        local verbosity = 1
+        if vim.bo.filetype == 'java' then
+          verbosity = 2
+          if vim_item.kind == "Method" then
+            local name, args = split_silly_function_arguments(vim_item.abbr)
+            vim_item.abbr = name
+            vim_item.menu = args .. (vim_item.menu or "")
+          end
+        end
+        vim_item.abbr = string.sub(vim_item.abbr, 1, 20 * verbosity)
+        vim_item.menu = string.sub(vim_item.menu or "", 1, 20 * verbosity)
+        return vim_item
+      end
+    })
+  },
+
   sources = {
     { name = "nvim_lsp" },
     { name = "path" },
@@ -132,20 +199,6 @@ cmp.setup({
     end,
   },
 
-  formatting = {
-    format = lspkind.cmp_format({
-      with_text = true,
-      maxwidth = 40, -- half max width
-      menu = {
-        buffer = "[buffer]",
-        nvim_lsp = "[LSP]",
-        nvim_lua = "[API]",
-        path = "[path]",
-        vim_vsnip = "[snip]",
-      },
-    }),
-  },
-
   experimental = {
     native_menu = false,
     ghost_text = true,
-- 
cgit