public UIObject GetFirstIntersector(Vector2 pos)
{
if (myChildren.Count > 0)
{
UIObject intersector = null;
for (int i = myChildren.Count - 1; i >= 0; --i)
{
UIObject child = myChildren[i];
if (child.IsVisible && (intersector = child.GetFirstIntersector(pos - myPaddingTopLeft - child.Position)) != null)
{
return(intersector);
}
}
}
if (CheckPositionWithinBounds(pos))
{
return(this);
}
return(null);
}
public void SendMouseButtonEvent(Vector2 mousePos, OpenTK.Input.MouseButtonEventArgs e)
{
if (e.IsPressed)
{
if (myChildren.Count > 0)
{
UIObject intersector = null;
for (int i = myChildren.Count - 1; i >= 0; --i)
{
UIObject child = myChildren[i];
Vector2 relativePos = mousePos - myPaddingTopLeft - child.Position;
if (child.IsVisible && (intersector = child.GetFirstIntersector(relativePos)) != null)
{
if (child.IsEnabled)
{
if (child.CanBringToFront)
{
myChildren.Remove(child);
myChildren.Add(child);
}
child.SendMouseButtonEvent(relativePos, e);
}
if (IsEnabled)
{
Focus();
if (!child.IsEnabled)
{
foreach (UIObject ch in myChildren)
{
if (ch.IsFocused)
{
ch.UnFocus();
}
}
myMouseDown = true;
OnMouseDown(mousePos, e.Button);
if (MouseDown != null)
{
MouseDown(this, e);
}
}
}
return;
}
}
}
if (CheckPositionWithinBounds(mousePos))
{
if (IsEnabled)
{
Focus();
foreach (UIObject ch in myChildren)
{
if (ch.IsFocused)
{
ch.UnFocus();
}
}
myMouseDown = true;
OnMouseDown(mousePos, e.Button);
if (MouseDown != null)
{
MouseDown(this, e);
}
}
}
}
else
{
UIObject intersector = null;
if (IsVisible && (intersector = GetFirstIntersector(mousePos)) != null)
{
OnMouseUp(mousePos, e.Button);
if (MouseUp != null)
{
MouseUp(this, e);
}
}
if (myMouseDown)
{
myMouseDown = false;
if (IsVisible && intersector != null)
{
OnClick(mousePos, e.Button);
if (Click != null)
{
Click(this, e);
}
}
}
else
{
if (myChildren.Count > 0)
{
for (int i = myChildren.Count - 1; i >= 0 && i < myChildren.Count; --i)
{
UIObject child = myChildren[i];
Vector2 relativePos = mousePos - myPaddingTopLeft - child.Position;
if (child.IsEnabled)
{
child.SendMouseButtonEvent(relativePos, e);
}
}
}
}
}
}