public HitBox HitTest()
{
var buttonState = _button switch
{
MouseButton.Left => UiState.Mouse.LeftButton,
MouseButton.Right => UiState.Mouse.RightButton,
MouseButton.Middle => UiState.Mouse.MiddleButton,
};
var pos = UiState.Mouse.Position.ToVector2();
switch (_state)
{
case DragState.End:
if (buttonState != ButtonState.Pressed)
{
return(HitBox.Miss);
}
if (_bounds.Contains(pos))
{
_state = DragState.Start;
}
break;
case DragState.Start:
// could probably remove this one and just set it in the End case
if (buttonState != ButtonState.Pressed)
{
_state = DragState.End;
return(HitBox.Miss);
}
_lastMousePosition = pos;
_state = DragState.Move;
break;
case DragState.Move:
if (buttonState != ButtonState.Pressed)
{
_state = DragState.End;
return(HitBox.Miss);
}
var delta = _lastMousePosition - pos;
if (Math.Abs(delta.X) >= _minimumDragDistance ||
Math.Abs(delta.Y) >= _minimumDragDistance)
{
_moveDelta = delta;
_lastMousePosition = pos;
}
return(HitBox.Hit(this));
}
return(HitBox.Miss);
}
public HitBox HitTest()
{
var delta = UiState.ScrollDelta;
if (delta != 0 && _parent.Bounds.Contains(UiState.Mouse.Position) && KeyboardManager.IsModifierDown(_modifier))
{
if (delta > 0)
{
OnScrollBackward?.Invoke(delta / 120);
}
else
{
OnScrollForward?.Invoke(delta / 120);
}
OnScroll?.Invoke(delta / 120);
return(HitBox.Hit(_parent));
}
return(HitBox.Miss);
}
public override HitBox HitTest()
{
HitBox hit;
if (_draggable.HitTest().IsHit)
{
var delta = (int)(_draggable.GetHorizontalMoveDelta() * _dragMultiplier);
var parent = (ICanHaveHorizontalScrollBar)Parent;
parent.HorizontalScroll(-delta);
_draggable.InvalidateDelta();
return(HitBox.Hit(this));
}
else if (MouseManager.IsDown(MouseButton.Left) &&
_bgHitBox.Contains(UiState.Mouse.Position))
{
var parent = (ICanHaveHorizontalScrollBar)Parent;
var hitBoxX = UiState.Mouse.Position.X - _bgHitBox.Left;
var scrollPercent = (float)hitBoxX / _bgHitBox.Width;
var scrollIndexAtClick = Math.Min((int)(parent.HorizontalMaxScrollIndex * scrollPercent),
parent.HorizontalMaxScrollIndex);
parent.HorizontalScrollTo(scrollIndexAtClick);
}
else if ((hit = _leftArrow.HitTest()).IsHit)
{
return(hit);
}
else if ((hit = _rightArrow.HitTest()).IsHit)
{
return(hit);
}
else if ((hit = _mouseScrollable.HitTest()).IsHit)
{
return(hit);
}
return(HitBox.Miss);
}
