LSP: Improve the display of the default hover callback. (#11576)

Strips the code blocks from markdown and does syntax highlighting.

1 files changed, 10 insertions, 4 deletions

diff --git a/runtime/lua/vim/lsp/callbacks.lua b/runtime/lua/vim/lsp/callbacks.lua
index 4fc3f74519..a3cd521b86 100644
--- a/runtime/lua/vim/lsp/callbacks.lua
+++ b/runtime/lua/vim/lsp/callbacks.lua
@@ -68,16 +68,22 @@ M['textDocument/completion'] = function(_, _, result)
 end
 
 M['textDocument/hover'] = function(_, method, result)
-  util.focusable_preview(method, function()
+  util.focusable_float(method, function()
     if not (result and result.contents) then
-      return { 'No information available' }
+      -- return { 'No information available' }
+      return
     end
     local markdown_lines = util.convert_input_to_markdown_lines(result.contents)
     markdown_lines = util.trim_empty_lines(markdown_lines)
     if vim.tbl_isempty(markdown_lines) then
-      return { 'No information available' }
+      -- return { 'No information available' }
+      return
     end
-    return markdown_lines, util.try_trim_markdown_code_blocks(markdown_lines)
+    local bufnr, winnr = util.fancy_floating_markdown(markdown_lines, {
+      pad_left = 1; pad_right = 1;
+    })
+    util.close_preview_autocmd({"CursorMoved", "BufHidden", "InsertCharPre"}, winnr)
+    return bufnr, winnr
   end)
 end