fix(alpha): check height of the aplha window (#3585)

lua/lvim/core/alpha/dashboard.lua

@@ -24,13 +24,13 @@ local banner = {
 }
 
 M.banner_small = {
-  "⠀⠀⢀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀   ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀              ⠀⠀⠀⠀⠀⠀ ⣰⣶ ⠀⠀⢀⣤⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀",
-  "⠀⠀⢸⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀    ⠀⠀⠀⠀⠀⠀⠀⠀⠀              ⠀⣀⡀⠀⠀⠀⣰⣿⠏⠀⠀ ⠘⠿⠟ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀",
-  "⠀⠀⣿⡟⠀⠀⠀⠀⠀⠀⣤⡄⠀⠀⠀⣠⣤⠀⠀⢠⣤⣀⣤⣤⣤⡀⠀⠀⠀⢀⣤⣤⣤⣤⡀⠀⠀⠀⢠⣤⢀⣤⣤⣄⠀⠀⣿⣿⠀ ⢰⣿⠏  ⣶⣶⣶⣶⡦⠀⠀⠀⢠⣶⣦⣴⣦⣠⣴⣦⡀⠀",
-  "⠀⢠⣿⡇⠀⠀⠀⠀⠀⢠⣿⠇⠀⠀⠀⣿⡇⠀⠀⣿⡿⠉⠀⠈⣿⣧⠀⠀⠰⠿⠋⠀⠀⢹⣿⠀⠀⠀⣿⡿⠋⠀⠹⠿⠀⠀⢻⣿⡇⢠⣿⡟⠀⠀⠀⠈⠉⢹⣿⡇⠀⠀⠀⢸⣿⡏⢹⣿⡏⢹⣿⡇⠀",
-  "⠀⢸⣿⠀⠀⠀⠀⠀⠀⢸⣿⠀⠀⠀⢰⣿⠃⠀⢠⣿⡇⠀⠀⠀⣿⡇⠀⠀⣠⣴⡶⠶⠶⣿⣿⠀⠀⢠⣿⡇⠀⠀⠀⠀⠀⠀⢸⣿⣇⣿⡿⠀⠀⠀⠀⠀⠀⣿⣿⠁⠀⠀⠀⣿⣿⠀⣾⣿⠀⣾⣿⠁⠀",
-  "⠀⣿⣟⠀⠀⠀⠀⠀⠀⢻⣿⡀⠀⢀⣼⣿⠀⠀⢸⣿⠀⠀⠀⢰⣿⠇⠀⢰⣿⣇⠀⠀⣠⣿⡏⠀⠀⢸⣿⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⠁⠀⠀⠀⣀⣀⣠⣿⣿⣀⡀⠀⢠⣿⡟⢠⣿⡟⢀⣿⡿⠀⠀",
-  "⠀⠛⠛⠛⠛⠛⠛⠁⠀⠈⠛⠿⠟⠋⠛⠃⠀⠀⠛⠛⠀⠀⠀⠘⠛⠀⠀⠀⠙⠿⠿⠛⠙⠛⠃⠀⠀⠚⠛⠀⠀⠀⠀⠀⠀⠀⠘⠿⠿⠃⠀⠀⠀⠀⠿⠿⠿⠿⠿⠿⠿⠀⠸⠿⠇⠸⠿⠇⠸⠿⠇⠀⠀",
+  "  ⢀⣀                                                ⣰⣶   ⢀⣤⣄             ",
+  "  ⢸⣿                                          ⣀⡀   ⣰⣿⠏   ⠘⠿⠟             ",
+  "  ⣿⡟      ⣤⡄   ⣠⣤  ⢠⣤⣀⣤⣤⣤⡀   ⢀⣤⣤⣤⣤⡀   ⢠⣤⢀⣤⣤⣄  ⣿⣿  ⢰⣿⠏  ⣶⣶⣶⣶⡦   ⢠⣶⣦⣴⣦⣠⣴⣦⡀ ",
+  " ⢠⣿⡇     ⢠⣿⠇   ⣿⡇  ⣿⡿⠉ ⠈⣿⣧  ⠰⠿⠋  ⢹⣿   ⣿⡿⠋ ⠹⠿  ⢻⣿⡇⢠⣿⡟   ⠈⠉⢹⣿⡇   ⢸⣿⡏⢹⣿⡏⢹⣿⡇ ",
+  " ⢸⣿      ⢸⣿   ⢰⣿⠃ ⢠⣿⡇   ⣿⡇  ⣠⣴⡶⠶⠶⣿⣿  ⢠⣿⡇      ⢸⣿⣇⣿⡿      ⣿⣿⠁   ⣿⣿ ⣾⣿ ⣾⣿⠁ ",
+  " ⣿⣟      ⢻⣿⡀ ⢀⣼⣿  ⢸⣿   ⢰⣿⠇ ⢰⣿⣇  ⣠⣿⡏  ⢸⣿       ⢸⣿⣿⣿⠁   ⣀⣀⣠⣿⣿⣀⡀ ⢠⣿⡟⢠⣿⡟⢀⣿⡿  ",
+  " ⠛⠛⠛⠛⠛⠛⠁ ⠈⠛⠿⠟⠋⠛⠃  ⠛⠛   ⠘⠛   ⠙⠿⠿⠛⠙⠛⠃  ⠚⠛       ⠘⠿⠿⠃    ⠿⠿⠿⠿⠿⠿⠿ ⠸⠿⠇⠸⠿⠇⠸⠿⠇  ",
 }
 
 M.banner_alt_1 = {
@@ -87,7 +87,12 @@ function M.get_sections()
   local header = {
     type = "text",
     val = function()
-      if vim.api.nvim_win_get_height(0) < 36 then
+      local alpha_wins = vim.tbl_filter(function(win)
+        local buf = vim.api.nvim_win_get_buf(win)
+        return vim.api.nvim_buf_get_option(buf, "filetype") == "alpha"
+      end, vim.api.nvim_list_wins())
+
+      if vim.api.nvim_win_get_height(alpha_wins[#alpha_wins]) < 36 then
         return M.banner_small
       end
       return banner