public Button()
{
Children = new GuiElement[]
{
m_image = new Sprite(Texture.Empty)
{
RelativeSizeAxes = Axes.Both,
Size = Vector2.One,
},
};
}
public void Update()
{
var underCursor = new SortedList <float, GuiElement>();
var mousePos = Mouse.Position;
ScanChildren(root);
void ScanChildren(Panel panel)
{
foreach (var child in panel.Children)
{
if (child.ContainsScreenPoint(mousePos))
{
underCursor.Add(0, child);
}
if (child is Panel childPanel)
{
ScanChildren(childPanel);
}
}
}
var targetChild = underCursor.FirstOrDefault().Value;
if (currentHover != targetChild)
{
if (currentHover != null)
{
currentHover.OnMouseLeave();
}
currentHover = targetChild;
if (currentHover != null)
{
currentHover.OnMouseEnter();
}
}
// TODO(local): track mouse button press/release and how it should interact with hovering
if (Mouse.IsPressed(MouseButton.Left))
{
if (currentHover != null)
{
currentHover.OnMouseButtonPress(MouseButton.Left);
}
}
}