internal static void EndScrollView(bool handleScrollWheel)
{
// Only end the scroll view for the relevant BeginScrollView option, if any.
if (!ScrollFailed)
{
GUILayout.EndScrollView();
}
else if (!ManualUnstripFailed)
{
GUILayoutUtility.EndLayoutGroup();
if (ScrollStack.Count <= 0)
{
return;
}
var state = ScrollStack.Peek().TryCast <ScrollViewState>();
var scrollExt = Internal_ScrollViewState.FromPointer(state.Pointer);
if (scrollExt == null)
{
throw new Exception("Could not get scrollExt!");
}
GUIClip.Pop();
ScrollStack.Pop();
var position = scrollExt.position;
if (handleScrollWheel && Event.current.type == EventType.ScrollWheel && position.Contains(Event.current.mousePosition))
{
var pos = scrollExt.scrollPosition;
pos.x = Mathf.Clamp(scrollExt.scrollPosition.x + Event.current.delta.x * 20f, 0f, scrollExt.viewRect.width - scrollExt.visibleRect.width);
pos.y = Mathf.Clamp(scrollExt.scrollPosition.y + Event.current.delta.y * 20f, 0f, scrollExt.viewRect.height - scrollExt.visibleRect.height);
if (scrollExt.scrollPosition.x < 0f)
{
pos.x = 0f;
}
if (pos.y < 0f)
{
pos.y = 0f;
}
scrollExt.apply = true;
Event.current.Use();
}
}
}
private static Vector2 BeginScrollView_Impl(Rect position, Vector2 scrollPosition, Rect viewRect, bool alwaysShowHorizontal,
bool alwaysShowVertical, GUIStyle horizontalScrollbar, GUIStyle verticalScrollbar, GUIStyle background)
{
// GUIUtility.CheckOnGUI();
int controlID = GUIUtility.GetControlID(GUI.s_ScrollviewHash, FocusType.Passive);
var scrollViewState = GetStateObject(Il2CppType.Of <ScrollViewState>(), controlID)
.TryCast <ScrollViewState>();
if (scrollViewState == null)
{
return(scrollPosition);
}
var scrollExt = Internal_ScrollViewState.FromPointer(scrollViewState.Pointer);
if (scrollExt == null)
{
return(scrollPosition);
}
bool apply = scrollExt.apply;
if (apply)
{
scrollPosition = scrollExt.scrollPosition;
scrollExt.apply = false;
}
scrollExt.position = position;
scrollExt.scrollPosition = scrollPosition;
scrollExt.visibleRect = scrollExt.viewRect = viewRect;
var rect = scrollExt.visibleRect;
rect.width = position.width;
rect.height = position.height;
ScrollStack.Push(scrollViewState);
Rect screenRect = new Rect(position.x, position.y, position.width, position.height);
EventType type = Event.current.type;
if (type != EventType.Layout)
{
if (type != EventType.Used)
{
bool flag = alwaysShowVertical;
bool flag2 = alwaysShowHorizontal;
if (flag2 || viewRect.width > screenRect.width)
{
rect.height = position.height - horizontalScrollbar.fixedHeight + (float)horizontalScrollbar.margin.top;
screenRect.height -= horizontalScrollbar.fixedHeight + (float)horizontalScrollbar.margin.top;
flag2 = true;
}
if (flag || viewRect.height > screenRect.height)
{
rect.width = position.width - verticalScrollbar.fixedWidth + (float)verticalScrollbar.margin.left;
screenRect.width -= verticalScrollbar.fixedWidth + (float)verticalScrollbar.margin.left;
flag = true;
if (!flag2 && viewRect.width > screenRect.width)
{
rect.height = position.height - horizontalScrollbar.fixedHeight + (float)horizontalScrollbar.margin.top;
screenRect.height -= horizontalScrollbar.fixedHeight + (float)horizontalScrollbar.margin.top;
flag2 = true;
}
}
if (Event.current.type == EventType.Repaint && background != GUIStyle.none)
{
background.Draw(position, position.Contains(Event.current.mousePosition), false, flag2 && flag, false);
}
if (flag2 && horizontalScrollbar != GUIStyle.none)
{
scrollPosition.x = HorizontalScroll(
new Rect(
position.x,
position.yMax - horizontalScrollbar.fixedHeight,
screenRect.width,
horizontalScrollbar.fixedHeight),
scrollPosition.x,
Mathf.Min(screenRect.width, viewRect.width),
0f,
viewRect.width,
horizontalScrollbar
);
}
else
{
GUIUtility.GetControlID(GUI.s_SliderHash, FocusType.Passive);
GUIUtility.GetControlID(GUI.s_RepeatButtonHash, FocusType.Passive);
GUIUtility.GetControlID(GUI.s_RepeatButtonHash, FocusType.Passive);
scrollPosition.x = ((horizontalScrollbar == GUIStyle.none)
? Mathf.Clamp(scrollPosition.x, 0f, Mathf.Max(viewRect.width - position.width, 0f))
: 0f);
}
if (flag && verticalScrollbar != GUIStyle.none)
{
scrollPosition.y = VerticalScroll(
new Rect(
screenRect.xMax + (float)verticalScrollbar.margin.left,
screenRect.y,
verticalScrollbar.fixedWidth,
screenRect.height),
scrollPosition.y,
Mathf.Min(screenRect.height, viewRect.height),
0f,
viewRect.height,
verticalScrollbar
);
}
else
{
GUIUtility.GetControlID(GUI.s_SliderHash, FocusType.Passive);
GUIUtility.GetControlID(GUI.s_RepeatButtonHash, FocusType.Passive);
GUIUtility.GetControlID(GUI.s_RepeatButtonHash, FocusType.Passive);
scrollPosition.y = ((verticalScrollbar == GUIStyle.none)
? Mathf.Clamp(scrollPosition.y, 0f, Mathf.Max(viewRect.height - position.height, 0f))
: 0f);
}
}
}
else
{
GUIUtility.GetControlID(GUI.s_SliderHash, FocusType.Passive);
GUIUtility.GetControlID(GUI.s_RepeatButtonHash, FocusType.Passive);
GUIUtility.GetControlID(GUI.s_RepeatButtonHash, FocusType.Passive);
GUIUtility.GetControlID(GUI.s_SliderHash, FocusType.Passive);
GUIUtility.GetControlID(GUI.s_RepeatButtonHash, FocusType.Passive);
GUIUtility.GetControlID(GUI.s_RepeatButtonHash, FocusType.Passive);
}
GUIClip.Push(screenRect,
new Vector2(
Mathf.Round(-scrollPosition.x - viewRect.x),
Mathf.Round(-scrollPosition.y - viewRect.y)),
Vector2.zero,
false
);
return(scrollPosition);
}