feat(nvim): improve ufo

modules/programs/nvim/plugins/nvim-lspconfig.lua

@@ -5,58 +5,27 @@ vim.diagnostic.config({
   virtual_text = false,
 })
 
-vim.o.foldcolumn = "1" -- '0' is not bad
-vim.o.foldlevel = 99 -- Using ufo provider need a large value, feel free to decrease the value
-vim.o.foldlevelstart = 99
-vim.o.foldenable = true
-vim.o.fillchars = [[eob: ,fold: ,foldopen:,foldsep: ,foldclose:]]
-vim.o.statuscolumn = "%= "
-  -- FIXME: figure out how to put on the other side without having to do a lot of shifting
-  .. "%s" -- sign column
-  .. "%{%" -- evaluate this, and then evaluate what it returns
-  .. "&number ?"
-  .. "(v:relnum ?"
-  -- when showing relative numbers, make sure to pad so things don't shift as you move the cursor
-  .. 'printf("%"..len(line("$")).."s", v:relnum)'
-  .. ":"
-  .. "v:lnum"
-  .. ")"
-  .. ":"
-  .. '""'
-  .. " " -- space between lines and fold
-  .. "%}"
-  .. "%= "
-  .. "%#FoldColumn#" -- highlight group for fold
-  .. "%{" -- expression for showing fold expand/colapse
-  .. "foldlevel(v:lnum) > foldlevel(v:lnum - 1)" -- any folds?
-  .. "? (foldclosed(v:lnum) == -1" -- currently open?
-  .. '? ""' -- point down
-  .. ':  ""' -- point to right
-  .. ")"
-  .. ': " "' -- blank for no fold, or inside fold
-  .. "}"
-  .. "%= " -- spacing between end of column and start of text
-
--- Using ufo provider need remap `zR` and `zM`. If Neovim is 0.6.1, remap yourself
-require("which-key").register({
-  z = {
-    R = { require("ufo").openAllFolds, "Open all folds" },
-    M = { require("ufo").closeAllFolds, "Close all folds" },
-  },
-})
 local capabilities = vim.lsp.protocol.make_client_capabilities()
+-- NOTE for nvim-ufo
 -- Tell the server the capability of foldingRange,
 -- Neovim hasn't added foldingRange to default capabilities, users must add it manually
 capabilities.textDocument.foldingRange = {
   dynamicRegistration = false,
   lineFoldingOnly = true,
 }
-require("ufo").setup()
 
 local lspconfig = require("lspconfig")
 local on_attach_def = function(client, bufnr)
   require("which-key").register({
-    K = { vim.lsp.buf.hover, "Hover" },
+    K = {
+      function()
+        local winid = require("ufo").peekFoldedLinesUnderCursor()
+        if not winid then
+          vim.lsp.buf.hover()
+        end
+      end,
+      "Hover",
+    },
     ["<leader>"] = {
       l = {
         d = { vim.diagnostic.open_float, "Open diagnostic window" },