make diagnostics open float on hold

lua/core/diagnostics.lua

@@ -24,10 +24,8 @@ vim.diagnostic.config({
   },
 
   float = {
-    max_width = math.min(math.floor(vim.o.columns * 0.7), 100),
-    max_height = math.min(math.floor(vim.o.lines * 0.3), 30),
     border = border_style,
-    title = { { '  ', 'DiagnosticFloatTitleIcon' }, { 'Problems  ', 'DiagnosticFloatTitle' } },
+    title = { { 'lsp diagnostics', 'DiagnosticFloatTitleIcon' }, { 'Problems  ', 'DiagnosticFloatTitle' } },
     focusable = false,
     scope = 'line',
     source = 'if_many',
@@ -39,6 +37,13 @@ vim.diagnostic.config({
   },
 })
 
+vim.api.nvim_create_autocmd({ "CursorHold", "CursorHoldI" }, {
+  group = vim.api.nvim_create_augroup("float_diagnostic", { clear = true }),
+  callback = function ()
+    vim.diagnostic.open_float()
+  end
+})
+
 for severity, icon in pairs(signs) do
   local hl = "DiagnosticSign" .. capitalize_head(vim.diagnostic.severity[severity])
   vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })

lua/plugins/nvim-lspconfig.lua

@@ -36,13 +36,6 @@ local handlers =  {
   ["textDocument/signatureHelp"] =  vim.lsp.with(vim.lsp.handlers.signature_help, {border = border, focus = false}),
 }
 
--- vim.api.nvim_create_autocmd({ "CursorHold", "CursorHoldI" }, {
---   group = vim.api.nvim_create_augroup("float_diagnostic", { clear = true }),
---   callback = function ()
---     vim.lsp.buf.hover(nil, {focus=false, scope='line'})
---   end
--- })
-
 return {
     event={ "VeryLazy" },
     'neovim/nvim-lspconfig',