shadcn-ui/apps/v4/examples/base/input-group-dropdown.tsx

import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuGroup,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from "@/examples/base/ui/dropdown-menu"
import {
  InputGroup,
  InputGroupAddon,
  InputGroupButton,
  InputGroupInput,
} from "@/examples/base/ui/input-group"
import { ChevronDownIcon, MoreHorizontal } from "lucide-react"

export default function InputGroupDropdown() {
  return (
    <div className="grid w-full max-w-sm gap-4">
      <InputGroup>
        <InputGroupInput placeholder="Enter file name" />
        <InputGroupAddon align="inline-end">
          <DropdownMenu>
            <DropdownMenuTrigger
              render={
                <InputGroupButton
                  variant="ghost"
                  aria-label="More"
                  size="icon-xs"
                />
              }
            >
              <MoreHorizontal />
            </DropdownMenuTrigger>
            <DropdownMenuContent align="end">
              <DropdownMenuGroup>
                <DropdownMenuItem>Settings</DropdownMenuItem>
                <DropdownMenuItem>Copy path</DropdownMenuItem>
                <DropdownMenuItem>Open location</DropdownMenuItem>
              </DropdownMenuGroup>
            </DropdownMenuContent>
          </DropdownMenu>
        </InputGroupAddon>
      </InputGroup>
      <InputGroup className="[--radius:1rem]">
        <InputGroupInput placeholder="Enter search query" />
        <InputGroupAddon align="inline-end">
          <DropdownMenu>
            <DropdownMenuTrigger
              render={
                <InputGroupButton variant="ghost" className="!pr-1.5 text-xs" />
              }
            >
              Search In... <ChevronDownIcon className="size-3" />
            </DropdownMenuTrigger>
            <DropdownMenuContent align="end" className="[--radius:0.95rem]">
              <DropdownMenuGroup>
                <DropdownMenuItem>Documentation</DropdownMenuItem>
                <DropdownMenuItem>Blog Posts</DropdownMenuItem>
                <DropdownMenuItem>Changelog</DropdownMenuItem>
              </DropdownMenuGroup>
            </DropdownMenuContent>
          </DropdownMenu>
        </InputGroupAddon>
      </InputGroup>
    </div>
  )
}