From 95aea6b533e71e478d61d18fac71cca116c56a4d Mon Sep 17 00:00:00 2001
From: Michael Smith <mikesmiffy128@gmail.com>
Date: Sun, 22 May 2022 22:47:23 +0100
Subject: Add all the plugins I currently use

---
 start/cmp/lua/cmp_nvim_lsp/init.lua | 84 +++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 start/cmp/lua/cmp_nvim_lsp/init.lua

(limited to 'start/cmp/lua/cmp_nvim_lsp/init.lua')

diff --git a/start/cmp/lua/cmp_nvim_lsp/init.lua b/start/cmp/lua/cmp_nvim_lsp/init.lua
new file mode 100644
index 0000000..9feb93a
--- /dev/null
+++ b/start/cmp/lua/cmp_nvim_lsp/init.lua
@@ -0,0 +1,84 @@
+local source = require('cmp_nvim_lsp.source')
+
+local M = {}
+
+---Registered client and source mapping.
+M.client_source_map = {}
+
+---Setup cmp-nvim-lsp source.
+M.setup = function()
+  vim.cmd([[
+    augroup cmp_nvim_lsp
+      autocmd!
+      autocmd InsertEnter * lua require'cmp_nvim_lsp'._on_insert_enter()
+    augroup END
+  ]])
+end
+
+local if_nil = function(val, default)
+  if val == nil then return default end
+  return val
+end
+
+M.update_capabilities = function(capabilities, override)
+  override = override or {}
+
+  local completionItem = capabilities.textDocument.completion.completionItem
+
+  completionItem.snippetSupport = if_nil(override.snippetSupport, true)
+  completionItem.preselectSupport = if_nil(override.preselectSupport, true)
+  completionItem.insertReplaceSupport = if_nil(override.insertReplaceSupport, true)
+  completionItem.labelDetailsSupport = if_nil(override.labelDetailsSupport, true)
+  completionItem.deprecatedSupport = if_nil(override.deprecatedSupport, true)
+  completionItem.commitCharactersSupport = if_nil(override.commitCharactersSupport, true)
+  completionItem.tagSupport = if_nil(override.tagSupport, { valueSet = { 1 } })
+  completionItem.resolveSupport = if_nil(override.resolveSupport, {
+    properties = {
+      'documentation',
+      'detail',
+      'additionalTextEdits',
+    }
+  })
+
+  return capabilities
+end
+
+---Refresh sources on InsertEnter.
+M._on_insert_enter = function()
+  local cmp = require('cmp')
+
+  local allowed_clients = {}
+
+  -- register all active clients.
+  for _, client in ipairs(vim.lsp.get_active_clients()) do
+    allowed_clients[client.id] = client
+    if not M.client_source_map[client.id] then
+      local s = source.new(client)
+      if s:is_available() then
+        M.client_source_map[client.id] = cmp.register_source('nvim_lsp', s)
+      end
+    end
+  end
+
+  -- register all buffer clients (early register before activation)
+  for _, client in ipairs(vim.lsp.buf_get_clients(0)) do
+    allowed_clients[client.id] = client
+    if not M.client_source_map[client.id] then
+      local s = source.new(client)
+      if s:is_available() then
+        M.client_source_map[client.id] = cmp.register_source('nvim_lsp', s)
+      end
+    end
+  end
+
+  -- unregister stopped/detached clients.
+  for client_id, source_id in pairs(M.client_source_map) do
+    if not allowed_clients[client_id] or allowed_clients[client_id]:is_stopped() then
+      cmp.unregister_source(source_id)
+      M.client_source_map[client_id] = nil
+    end
+  end
+end
+
+return M
+
-- 
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