shadcn-ui/apps/v4/examples/base/context-menu-submenu.tsx

import {
  ContextMenu,
  ContextMenuContent,
  ContextMenuGroup,
  ContextMenuItem,
  ContextMenuSeparator,
  ContextMenuShortcut,
  ContextMenuSub,
  ContextMenuSubContent,
  ContextMenuSubTrigger,
  ContextMenuTrigger,
} from "@/examples/base/ui/context-menu"

export function ContextMenuSubmenu() {
  return (
    <ContextMenu>
      <ContextMenuTrigger className="flex aspect-video w-full max-w-xs items-center justify-center rounded-xl border border-dashed text-sm">
        <span className="hidden pointer-fine:inline-block">
          Right click here
        </span>
        <span className="hidden pointer-coarse:inline-block">
          Long press here
        </span>
      </ContextMenuTrigger>
      <ContextMenuContent>
        <ContextMenuGroup>
          <ContextMenuItem>
            Copy
            <ContextMenuShortcut>⌘C</ContextMenuShortcut>
          </ContextMenuItem>
          <ContextMenuItem>
            Cut
            <ContextMenuShortcut>⌘X</ContextMenuShortcut>
          </ContextMenuItem>
        </ContextMenuGroup>
        <ContextMenuSub>
          <ContextMenuSubTrigger>More Tools</ContextMenuSubTrigger>
          <ContextMenuSubContent>
            <ContextMenuGroup>
              <ContextMenuItem>Save Page...</ContextMenuItem>
              <ContextMenuItem>Create Shortcut...</ContextMenuItem>
              <ContextMenuItem>Name Window...</ContextMenuItem>
            </ContextMenuGroup>
            <ContextMenuSeparator />
            <ContextMenuGroup>
              <ContextMenuItem>Developer Tools</ContextMenuItem>
            </ContextMenuGroup>
            <ContextMenuSeparator />
            <ContextMenuGroup>
              <ContextMenuItem variant="destructive">Delete</ContextMenuItem>
            </ContextMenuGroup>
          </ContextMenuSubContent>
        </ContextMenuSub>
      </ContextMenuContent>
    </ContextMenu>
  )
}