support scrolling menu entry's text (#1539)

[Ventoy.git] / GRUB2 / MOD_SRC / grub-2.04 / grub-core / gfxmenu / gfxmenu.c

diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/gfxmenu/gfxmenu.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/gfxmenu/gfxmenu.c
index 4dc537e7c01bd4c2e82a055e5d2b33eac7e9ab5b..1e2d4e5a147ae4ece2cc87628645bb1990d73cff 100644 (file)
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/gfxmenu/gfxmenu.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/gfxmenu/gfxmenu.c
@@ -119,6 +119,8 @@ grub_gfxmenu_try (int entry, grub_menu_t menu, int nested)
   view->menu = menu;
   view->nested = nested;
   view->first_timeout = -1;
+  if (menu->size)
+    view->menu_title_offset = grub_zalloc (sizeof (*view->menu_title_offset) * menu->size);
 
   grub_video_set_viewport (0, 0, mode_info.width, mode_info.height);
   if (view->double_repaint)
@@ -134,6 +136,8 @@ grub_gfxmenu_try (int entry, grub_menu_t menu, int nested)
   instance->fini = grub_gfxmenu_viewer_fini;
   instance->print_timeout = grub_gfxmenu_print_timeout;
   instance->clear_timeout = grub_gfxmenu_clear_timeout;
+  if (view->menu_title_offset)
+    instance->scroll_chosen_entry = grub_gfxmenu_scroll_chosen_entry;
 
   grub_menu_register_viewer (instance);