feat(fzf): better layout for code actions

lua/lazyvim/plugins/extras/editor/fzf.lua

@@ -87,18 +87,28 @@ return {
         },
         -- Custom LazyVim option to configure vim.ui.select
         ui_select = function(fzf_opts, items)
-          local title = vim.trim((fzf_opts.prompt or "Select"):gsub("%s*:%s*$", ""))
-          local width, height ---@type number?, number?
-          if fzf_opts.kind ~= "codeaction" then
-            width, height = 0.5, math.floor(math.min(vim.o.lines * 0.8, #items + 2) + 0.5)
-          end
           return vim.tbl_deep_extend("force", fzf_opts, {
             prompt = " ",
             winopts = {
-              title = " " .. title .. " ",
+              title = " " .. vim.trim((fzf_opts.prompt or "Select"):gsub("%s*:%s*$", "")) .. " ",
               title_pos = "center",
-              width = width,
+            },
-              height = height,
+          }, fzf_opts.kind == "codeaction" and {
+            winopts = {
+              layout = "vertical",
+              -- height is number of items minus 15 lines for the preview, with a max of 80% screen height
+              height = math.floor(math.min(vim.o.lines * 0.8 - 16, #items + 2) + 0.5) + 16,
+              width = 0.5,
+              preview = {
+                layout = "vertical",
+                vertical = "down:15,border-top",
+              },
+            },
+          } or {
+            winopts = {
+              width = 0.5,
+              -- height is number of items, with a max of 80% screen height
+              height = math.floor(math.min(vim.o.lines * 0.8, #items + 2) + 0.5),
             },
           })
         end,