protected override void UpdateDisplayList(float width, float height)
{
if (null != Skin)
{
Skin.SetActualSize(width, height);
}
}
/// <summary>
/// Mouse move handler
/// Fires when in processing mode (resizing)
/// </summary>
/// <param name="e"></param>
private void MouseMoveHandler(Event e)
{
if (!IsResizing)
{
return;
}
e.CancelAndStopPropagation();
MouseEvent me = (MouseEvent)e;
Point position;
position = me.GlobalPosition;
var delta = position.Subtract(_clickCoords);
switch (_resizeMode)
{
case ResizeMode.Right:
_newBounds = _origBounds.Expand(0, delta.X, 0, 0);
break;
case ResizeMode.Left:
_newBounds = _origBounds.Expand(-delta.X, 0, 0, 0);
break;
case ResizeMode.Top:
_newBounds = _origBounds.Expand(0, 0, -delta.Y, 0);
break;
case ResizeMode.Bottom:
_newBounds = _origBounds.Expand(0, 0, 0, delta.Y);
break;
case ResizeMode.TopLeft:
_newBounds = _origBounds.Expand(-delta.X, 0, -delta.Y, 0);
break;
case ResizeMode.TopRight:
_newBounds = _origBounds.Expand(0, delta.X, -delta.Y, 0);
break;
case ResizeMode.BottomLeft:
_newBounds = _origBounds.Expand(-delta.X, 0, 0, delta.Y);
break;
case ResizeMode.BottomRight:
_newBounds = _origBounds.Expand(0, delta.X, 0, delta.Y);
break;
}
// gracefully handle the minimum sizes set by the user
_newBounds.X = Mathf.Min(_newBounds.X, _origBounds.Right - _component.MinWidth);
_newBounds.Y = Mathf.Min(_newBounds.Y, _origBounds.Bottom - _component.MinHeight);
_newBounds.Width = Mathf.Min(Mathf.Max(_newBounds.Width, _component.MinWidth), _component.MaxWidth); // MeasuredMinWidth
_newBounds.Height = Mathf.Min(Mathf.Max(_newBounds.Height, _component.MinHeight), _component.MaxHeight);
// apply
if (ChangeExplicitSize)
{
_component.Width = _newBounds.Width;
_component.Height = _newBounds.Height;
}
else
{
_component.SetActualSize(_newBounds.Width, _newBounds.Height);
}
_component.Move(_newBounds.X, _newBounds.Y);
/**
* When resizing by the top/left edge, the visual jitter can be observed in component's right-aligned children
* so to avoid this jitter, we should validate now
* */
if (_resizeMode == ResizeMode.Left ||
_resizeMode == ResizeMode.Top ||
_resizeMode == ResizeMode.TopLeft)
{
//_component.ValidateNow();
}
}
