hover fallback to signature help

lua/navigator/hover.lua

@@ -8,7 +8,10 @@ function M.handler(_, result, ctx, config)
   config.focus_id = ctx.method
   config.zindex = 53
   if not (result and result.contents) then
-    vim.notify('No information available')
+    -- vim.notify('No information available')
+    vim.schedule(function()
+      vim.lsp.buf.signature_help()
+    end)
     return
   end
   local ft = vim.bo.ft
@@ -16,7 +19,9 @@ function M.handler(_, result, ctx, config)
   local markdown_lines = util.convert_input_to_markdown_lines(result.contents)
   markdown_lines = nutils.trim_empty_lines(markdown_lines)
   if vim.tbl_isempty(markdown_lines) then
-    vim.notify('No information available')
+    vim.schedule(function()
+      vim.lsp.buf.signature_help()
+    end)
     return
   end
 

lua/navigator/lspclient/mapping.lua

@@ -506,11 +506,11 @@ function M.setup(attach_opts)
   if _NgConfigValues.border == 'double' then
     border_style = double
   end
-  -- if _NgConfigValues.lsp.hover then
-  --   vim.lsp.handlers['textDocument/hover'] = vim.lsp.with(require('navigator.hover').handler, {
-  --     border = border_style,
-  --   })
-  -- end
+  if _NgConfigValues.lsp.hover.enable then
+    vim.lsp.handlers['textDocument/hover'] = vim.lsp.with(require('navigator.hover').handler, {
+      border = border_style,
+    })
+  end
   if cap.documentFormattingProvider then
     log('formatting enabled setup hdl')
     vim.lsp.handlers['textDocument/formatting'] = require('navigator.formatting').format_hdl