menu and printer_select: support more than 8 items

panels/printer_select.py

@@ -2,7 +2,7 @@ import gi
 import logging
 
 gi.require_version("Gtk", "3.0")
-
+from gi.repository import Gtk
 from ks_includes.screen_panel import ScreenPanel
 
 logger = logging.getLogger("KlipperScreen.PrinterSelect")
@@ -20,7 +20,13 @@ class PrinterSelect(ScreenPanel):
         printers = self._config.get_printers()
 
         grid = self._gtk.HomogeneousGrid()
-        self.content.add(grid)
+        scroll = Gtk.ScrolledWindow()
+        scroll.set_property("overlay-scrolling", False)
+        scroll.set_hexpand(True)
+        scroll.set_vexpand(True)
+        scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
+        scroll.add(grid)
+        self.content.add(scroll)
 
         length = len(printers)
         if length == 4: