fix: default highlight group in nav view is NormalFloat (#281)

lua/aerial/highlight.lua

@@ -67,6 +67,16 @@ M.create_highlight_groups = function()
     default = true,
   })
 
+  -- Set another group for NormalFloat, for use in the nav view
+  local normal_float_defn = vim.api.nvim_get_hl_by_name("NormalFloat", true)
+  -- Don't set the background for the float so that it blends nicely with the cursorline
+  vim.api.nvim_set_hl(0, "AerialNormalFloat", {
+    fg = normal_float_defn.foreground,
+    ctermfg = normal_float_defn.ctermfg,
+    blend = normal_float_defn.blend,
+    default = true,
+  })
+
   -- The line that shows where your cursor(s) are
   link("AerialLine", "QuickFixLine")
   link("AerialLineNC", "AerialLine")

lua/aerial/nav_view.lua

@@ -71,6 +71,13 @@ function AerialNav.new(bufnr, winid)
     border = config.nav.border,
     style = "minimal",
   })
+  for _, floatwin in ipairs({ left_win, main_win, right_win }) do
+    vim.api.nvim_set_option_value(
+      "winhighlight",
+      "AerialNormal:AerialNormalFloat",
+      { scope = "local", win = floatwin }
+    )
+  end
   local nav = setmetatable({
     winid = winid,
     bufnr = bufnr,