modify: changes to blink.cmp's menu, keymaps, fuzzy-matcher

also:

- set auto_show to true for cmdline & term.
- enable `friendly-snippets`.

lua/plugins/blink.lua

@@ -21,16 +21,40 @@ return {
         -- `friendly-snippets` contains a variety of premade snippets.
         --    See the README about individual language/framework/plugin snippets:
         --    https://github.com/rafamadriz/friendly-snippets
-        -- {
-        --   'rafamadriz/friendly-snippets',
-        --   config = function()
-        --     require('luasnip.loaders.from_vscode').lazy_load()
-        --   end,
-        -- },
+        {
+          'rafamadriz/friendly-snippets',
+          config = function()
+            require('luasnip.loaders.from_vscode').lazy_load()
+          end,
+        },
       },
       opts = {},
     },
   },
+  init = function()
+    -- set autocommand for blink-menu-sourcename.
+    vim.api.nvim_create_autocmd('ColorScheme', {
+      desc = 'set italic to BlinkCmpSource, and try to change fg',
+      group = vim.api.nvim_create_augroup('ColorReadjust', { clear = true }),
+      callback = function()
+        local hl = {
+          default = true,
+          italic = true,
+        }
+
+        -- if the hl-group for the Menu-Selection has reverse property,
+        -- then don't bother setting fg & bg, because it would be messed up anyway.
+        if not vim.api.nvim_get_hl(0, { name = 'PmenuSel' }).reverse then
+          hl.fg = vim.api.nvim_get_hl(0, { name = 'LspCodeLens' }).fg
+            or vim.api.nvim_get_hl(0, { name = 'BlinkCmpGhostText' }).fg
+            or vim.api.nvim_get_hl(0, { name = 'NonText' }).fg
+        end
+
+        vim.api.nvim_set_hl(0, 'BlinkCmpSource', hl)
+      end,
+    })
+  end,
+
   ---@module 'blink.cmp'
   ---@type blink.cmp.Config
   opts = {
@@ -56,12 +80,40 @@ return {
       -- <c-k>: Toggle signature help
       --
       -- See :h blink-cmp-config-keymap for defining your own keymap
-      preset = 'default',
+      -- preset = 'default',
+      --
+      -- I have my own keymaps now
+      ['<C-space>'] = { 'show_documentation', 'hide_documentation' },
+      ['<C-q>'] = { 'hide', 'fallback' },
+      ['<C-l>'] = { 'select_and_accept', 'fallback' },
+
+      ['<Up>'] = { 'select_prev', 'fallback' },
+      ['<Down>'] = { 'select_next', 'fallback' },
+      ['<C-k>'] = { 'select_prev', 'fallback_to_mappings' },
+      ['<C-j>'] = { 'show', 'select_next', 'fallback_to_mappings' },
+
+      ['<C-S-K>'] = { 'scroll_documentation_up', 'fallback' },
+      ['<C-S-J>'] = { 'scroll_documentation_down', 'fallback' },
+
+      ['<C-n>'] = { 'snippet_forward', 'fallback_to_mappings' },
+      ['<C-p>'] = { 'snippet_backward', 'fallback_to_mappings' },
+
+      ['<C-s>'] = { 'show_signature', 'hide_signature', 'fallback' },
 
       -- For more advanced Luasnip keymaps (e.g. selecting choice nodes, expansion) see:
       --    https://github.com/L3MON4D3/LuaSnip?tab=readme-ov-file#keymaps
     },
 
+    cmdline = {
+      keymap = { preset = 'inherit' },
+      completion = { menu = { auto_show = true } },
+    },
+
+    term = {
+      keymap = { preset = 'inherit' },
+      completion = { menu = { auto_show = true } },
+    },
+
     appearance = {
       -- 'mono' (default) for 'Nerd Font Mono' or 'normal' for 'Nerd Font'
       -- Adjusts spacing to ensure icons are aligned
@@ -71,7 +123,30 @@ return {
     completion = {
       -- By default, you may press `<c-space>` to show the documentation.
       -- Optionally, set `auto_show = true` to show the documentation after a delay.
-      documentation = { auto_show = false, auto_show_delay_ms = 500 },
+      documentation = { auto_show = true, auto_show_delay_ms = 1500 },
+
+      menu = {
+        draw = {
+          columns = {
+            -- The following two components are from the default config
+            { 'kind_icon' },
+            { 'label', 'label_description', gap = 1 },
+            -- Add `source_name` to parse it and get lsp-provider name
+            { 'source_name' },
+          },
+          components = {
+            source_name = {
+              width = { fill = true },
+              text = function(ctx)
+                -- either get the client_name aka lsp-provider "like lua_ls"
+                -- or get the source name from blink's list of sources, see below.
+                return ctx.item.client_name or ctx.source_name
+              end,
+              highlight = 'BlinkCmpSource',
+            },
+          },
+        },
+      },
     },
 
     sources = {
@@ -87,7 +162,7 @@ return {
     -- the rust implementation via `'prefer_rust_with_warning'`
     --
     -- See :h blink-cmp-config-fuzzy for more information
-    fuzzy = { implementation = 'lua' },
+    fuzzy = { implementation = 'prefer_rust_with_warning' },
 
     -- Shows a signature help window while you type arguments for a function
     signature = { enabled = true },