static void SetEventOrigin(UIEventArgs e, HitChain hitChain)
{
int count = hitChain.Count;
if (count > 0)
{
var hitInfo = hitChain.GetHitInfo(count - 1);
e.ExactHitObject = hitInfo.hitElement;
}
}
public override void ChildrenHitTestCore(HitChain hitChain)
{
if (this.defaultLayer != null)
{
defaultLayer.HitTestCore(hitChain);
#if DEBUG
debug_RecordLayerInfo(defaultLayer);
#endif
}
}
static RenderElement HitTestOnPreviousChain(HitChain hitPointChain, HitChain previousChain, int x, int y)
{
#if DEBUG
if (hitPointChain == previousChain)
{
throw new NotSupportedException();
}
#endif
if (previousChain.Count > 0)
{
previousChain.SetStartTestPoint(x, y);
//test on prev chain top to bottom
int j = previousChain.Count;
for (int i = 0; i < j; ++i)
{
HitInfo hitInfo = previousChain.GetHitInfo(i);
RenderElement elem = hitInfo.hitElement;
if (elem != null && elem.VisibleAndHasParent)
{
if (elem.Contains(hitInfo.point))
{
RenderElement found = elem.FindUnderlyingSiblingAtPoint(hitInfo.point);
if (found == null)
{
Point leftTop = elem.Location;
hitPointChain.OffsetTestPoint(leftTop.X, leftTop.Y);
hitPointChain.AddHitObject(elem);
//add to chain
}
else
{
break;
}
}
}
else
{
break;
}
}
}
//---------------------------------
if (hitPointChain.Count > 0)
{
var commonElement = hitPointChain.GetHitInfo(hitPointChain.Count - 1).hitElement;
hitPointChain.RemoveCurrentHit();
return commonElement;
}
else
{
return null;
}
}
void SwapHitChain(HitChain hitChain)
{
this._previousChain = hitChain;
//temp fix here
this._previousChain.ClearAll();
// hitChain.ClearAll();
//if (isDragging && hitChain.Count < 2)
//{
//}
//hitChain.ClearAll();
//this.hitChainStack.Push(hitChain);
}
public override bool HitTestCore(HitChain hitChain)
{
if ((_layerFlags & IS_LAYER_HIDDEN) == 0)
{
foreach (RenderElement renderE in this.GetHitTestIter())
{
if (renderE.HitTestCore(hitChain))
{
return(true);
}
}
}
return(false);
}
public override bool HitTestCore(HitChain hitChain)
{
int testX;
int testY;
hitChain.GetTestPoint(out testX, out testY);
GridCell cell = GetGridItemByPosition(testX, testY);
if (cell != null && cell.HasContent)
{
hitChain.OffsetTestPoint(-cell.X, -cell.Y);
var renderE = cell.ContentElement as RenderElement;
if (renderE != null)
{
renderE.HitTestCore(hitChain);
}
hitChain.OffsetTestPoint(cell.X, cell.Y);
return true;
}
return false;
}
public abstract bool HitTestCore(HitChain hitChain);
static void ForEachEventListenerBubbleUp(UIEventArgs e, HitChain hitPointChain, EventListenerAction listenerAction)
{
HitInfo hitInfo;
for (int i = hitPointChain.Count - 1; i >= 0; --i)
{
hitInfo = hitPointChain.GetHitInfo(i);
IEventListener listener = hitInfo.hitElement.GetController() as IEventListener;
if (listener != null)
{
if (e.SourceHitElement == null)
{
e.SourceHitElement = listener;
}
var hitPoint = hitInfo.point;
e.SetLocation(hitPoint.X, hitPoint.Y);
e.CurrentContextElement = listener;
if (listenerAction(listener))
{
return;
}
}
}
}
public abstract bool HitTestCore(HitChain hitChain);
public override bool HitTestCore(HitChain hitChain)
{
if ((layerFlags & IS_LAYER_HIDDEN) == 0)
{
foreach (RenderElement renderE in this.GetHitTestIter())
{
if (renderE.HitTestCore(hitChain))
{
return true;
}
}
}
return false;
}
//==============================================================
//hit test
public bool HitTestCore(HitChain hitChain)
{
if ((propFlags & RenderElementConst.HIDDEN) != 0)
{
return false;
}
int testX;
int testY;
hitChain.GetTestPoint(out testX, out testY);
if ((testY >= b_top && testY <= (b_top + b_height)
&& (testX >= b_left && testX <= (b_left + b_width))))
{
if (this.MayHasViewport)
{
hitChain.OffsetTestPoint(
-b_left + this.ViewportX,
-b_top + this.ViewportY);
}
else
{
hitChain.OffsetTestPoint(-b_left, -b_top);
}
hitChain.AddHitObject(this);
if (this.MayHasChild)
{
this.ChildrenHitTestCore(hitChain);
}
if (this.MayHasViewport)
{
hitChain.OffsetTestPoint(
b_left - this.ViewportX,
b_top - this.ViewportY);
}
else
{
hitChain.OffsetTestPoint(b_left, b_top);
}
if ((propFlags & RenderElementConst.TRANSPARENT_FOR_ALL_EVENTS) != 0 &&
hitChain.TopMostElement == this)
{
hitChain.RemoveCurrentHit();
return false;
}
else
{
return true;
}
}
else
{
return false;
}
}
public override void ChildrenHitTestCore(HitChain hitChain)
{
}
public static void UnsafeClear(HitChain hitchain)
{
hitchain._hitList.Clear();
}
public override bool HitTestCore(HitChain hitChain)
{
if ((layerFlags & IS_LAYER_HIDDEN) == 0)
{
if ((layerFlags & FLOWLAYER_HAS_MULTILINE) != 0)
{
List<EditableTextLine> lines = (List<EditableTextLine>)lineCollection;
int j = lines.Count;
int testYPos = hitChain.TestPoint.Y;
for (int i = 0; i < j; ++i)
{
EditableTextLine line = lines[i];
if (line.LineBottom < testYPos)
{
continue;
}
else if (line.HitTestCore(hitChain))
{
return true;
}
else if (line.LineTop > testYPos)
{
return false;
}
}
}
else
{
EditableTextLine onlyLine = (EditableTextLine)lineCollection;
return onlyLine.HitTestCore(hitChain);
}
}
return false;
}
public virtual void ChildrenHitTestCore(HitChain hitChain)
{
}
static void ForEachOnlyEventPortalBubbleUp(UIEventArgs e, HitChain hitPointChain, EventPortalAction eventPortalAction)
{
for (int i = hitPointChain.Count - 1; i >= 0; --i)
{
HitInfo hitPoint = hitPointChain.GetHitInfo(i);
object currentHitElement = hitPoint.hitElement.GetController();
IEventPortal eventPortal = currentHitElement as IEventPortal;
if (eventPortal != null)
{
var ppp = hitPoint.point;
e.CurrentContextElement = currentHitElement as IEventListener;
e.SetLocation(ppp.X, ppp.Y);
if (eventPortalAction(eventPortal))
{
return;
}
}
}
}
void HitTestCoreWithPrevChainHint(HitChain hitPointChain, HitChain previousChain, int x, int y)
{
//---------------------------------
//test on previous chain first , find common element
hitPointChain.ClearAll();
hitPointChain.SetStartTestPoint(x, y);
//if (this.dbugId > 0 && isDragging && previousChain.Count > 1)
//{
//}
//RenderElement commonElement = HitTestOnPreviousChain(hitPointChain, previousChain, x, y);
//temp fix
//TODO: fix bug on HitTestOnPreviousChain()
RenderElement commonElement = this.topRenderElement;
////use root
//if (isDragging)
//{
// if (commonElement != this.topRenderElement)
// {
// }
//}
//if (lastCommonElement != null && commonElement != null &&
// lastCommonElement != commonElement && isDragging)
//{
// Console.WriteLine(commonElement.dbug_GetBoundInfo());
//}
//if (commonElement == null)
//{
// commonElement = this.topRenderElement;
//}
//if (commonElement != this.topRenderElement)
//{
//}
//lastCommonElement = commonElement;
commonElement.HitTestCore(hitPointChain);
//this.topRenderElement.HitTestCore(hitPointChain);
}
