/// <summary>
/// Creates a scrollable window.<br/>
/// The scrolling content will be the same width as the parent.
/// </summary>
/// <param name="content">The <c>ContentArea</c> to put the scrollable window in.</param>
/// <param name="config">The configuration options for the scrollbar.</param>
/// <param name="contentHeight">The height of the scroll window.</param>
/// <param name="layout">The layout to apply to the added content.</param>
/// <param name="action">The action that will get called to add the content.</param>
/// <returns></returns>
public static ContentArea AddScrollPaneContent(
this ContentArea content,
ScrollbarConfig config,
RelLength contentHeight,
IContentLayout layout,
Action <ContentArea> action
) => content.AddScrollPaneContent(config, contentHeight, layout, action, out _, out _);
/// <summary>
/// Creates a scrollable window.<br/>
/// The scrolling content will be the same width as the parent.
/// </summary>
/// <param name="content">The <c>ContentArea</c> to put the scrollable window in.</param>
/// <param name="config">The configuration options for the scrollbar.</param>
/// <param name="contentHeight">The height of the scroll window.</param>
/// <param name="layout">The layout to apply to the added content.</param>
/// <param name="action">The action that will get called to add the content.</param>
/// <param name="scrollContent">The created scrollable window game object.</param>
/// <param name="scroll">The <c>Scrollbar</c> component on the created scrollbar.</param>
/// <returns></returns>
public static ContentArea AddScrollPaneContent(
this ContentArea content,
ScrollbarConfig config,
RelLength contentHeight,
IContentLayout layout,
Action <ContentArea> action,
out GameObject scrollContent,
out Scrollbar scroll
)
{
// Scrollbar
content.AddScrollbar(config, out scroll);
// ScrollMask
var scrollMask = new GameObject("ScrollMask");
GameObject.DontDestroyOnLoad(scrollMask);
scrollMask.transform.SetParent(content.ContentObject.transform, false);
// RectTransform
var scrollMaskRt = scrollMask.AddComponent <RectTransform>();
scrollMaskRt.sizeDelta = new Vector2(0f, 0f);
scrollMaskRt.pivot = new Vector2(0.5f, 0.5f);
scrollMaskRt.anchorMin = new Vector2(0f, 0f);
scrollMaskRt.anchorMax = new Vector2(1f, 1f);
scrollMaskRt.anchoredPosition = new Vector2(0f, 0f);
// CanvasRenderer
scrollMask.AddComponent <CanvasRenderer>();
// Mask
var mask = scrollMask.AddComponent <Mask>();
mask.showMaskGraphic = false;
// Image
var maskImage = scrollMask.AddComponent <Image>();
maskImage.raycastTarget = false;
// Scrolling Pane
var scrollPane = new GameObject("ScrollingPane");
GameObject.DontDestroyOnLoad(scrollPane);
scrollPane.transform.SetParent(scrollMask.transform, false);
// RectTransform
var scrollPaneRt = scrollPane.AddComponent <RectTransform>();
RectTransformData.FromSizeAndPos(
new RelVector2(new RelLength(0f, 1f), contentHeight),
new AnchoredPosition(new Vector2(0.5f, 1f), new Vector2(0.5f, 1f))
).Apply(scrollPaneRt);
// CanvasRenderer
scrollPane.AddComponent <CanvasRenderer>();
action(new ContentArea(
scrollPane,
layout,
new ScrollMovingNavGraph
{
Inner = content.NavGraph,
Scrollbar = scroll,
ScrollPaneTransform = scrollPaneRt,
SelectionPadding = config.SelectionPadding ?? (_ => (0, 0))
}
