USS 자식 선택자는 시각적 트리에서 다른 요소의 자식인 요소를 매칭시킵니다.
자식 선택자는 >
로 구분된 여러 개의 단순 선택자로 구성됩니다.
selector1 > selector2 {...}
복잡 선택자에 와일드카드 선택자를 포함할 수 있습니다.예를 들어, 다음 USS 규칙은 자식 선택자에서 와일드카드 선택자를 사용합니다.이 USS 규칙은 USS 클래스 ’yellow’가 할당된 요소의 자식 요소인 버튼과 매칭됩니다.
.yellow > * > Button{..}
다음 예시 UI 문서는 간단한 선택자로 요소를 일치시키는 방법을 보여줍니다.
<UXML xmlns="UnityEngine.UIElements">
<VisualElement name="container1">
<VisualElement name="container2" class="yellow">
<Button name="OK" class="yellow" text="OK" />
<Button name="Cancel" text="Cancel" />
</VisualElement>
</VisualElement>
</UXML>
스타일을 적용하지 않으면 UI는 다음과 같이 표시됩니다.
다음 자식 선택자 스타일 규칙은 내부 요소와만 매칭됩니다.‘.yellow’ 클래스를 가진 요소 #OK
는 요소 #container2
의 자식입니다.#container2
는 #container1
요소의 자식입니다.따라서 ’.yellow선택자와 매칭되는
#container1`의 직계 자손이 없습니다.
# container1 > .yellow {
background-color: yellow;
}
스타일을 적용하면 UI는 다음과 같이 표시됩니다.
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