private static void HandleIsMouseOver(GuiElement element, MouseState newState)
{
if (!element.Bounds.Contains(newState.X, newState.Y))
{
return;
}
HandleIsMouseOverForAllChildren(element, newState);
}
private void HandleMouseMoved(GuiElement element, MouseState newState, MouseMovedEventHandler handler)
{
if (!element.Bounds.Contains(newState.X, newState.Y))
{
return;
}
HandleMouseMovedForChildren(element, newState, handler);
}
private void HandleMouseMovedForChildren(GuiElement element, MouseState newState, MouseMovedEventHandler handler)
{
foreach (var childElement in element.Children)
{
if (childElement.Bounds.Contains(newState.X, newState.Y) && childElement.IsMouseOver)
{
childElement.OnMouseMove(handler);
if (handler.Handled)
{
return;
}
HandleMouseMovedForChildren(childElement, newState, handler);
}
}
}
private static void HandleIsMouseOverForAllChildren(GuiElement parent, MouseState newState)
{
foreach (var childElement in parent.Children)
{
if (childElement.Bounds.Contains(newState.X, newState.Y))
{
if (!childElement.IsMouseOver)
{
childElement.OnMouseOver(new EventHandler());
childElement.IsMouseOver = true;
}
HandleIsMouseOverForAllChildren(childElement, newState);
}
else if (childElement.IsMouseOver)
{
childElement.IsMouseOver = false;
childElement.OnMouseLeft(new EventHandler());
}
}
}
private void AddChild(int column, int row, GuiElement element)
{
_childElementsByLinearTableIndex.Add(new Tuple <int, int>(column, row), element);
Children.Add(element);
}
public void AddChild(GuiElement child)
{
Children.Add(child);
}
private static GuiElement InvokeEventForChildren <THandler>(MouseState state, GuiElement parent, THandler handler, Action <GuiElement, THandler> action) where THandler : EventHandler
{
foreach (var childElement in parent.Children)
{
if (childElement.Bounds.Contains(state.X, state.Y))
{
action(childElement, handler);
if (handler.Handled)
{
return(childElement);
}
return(InvokeEventForChildren(state, childElement, handler, action));
}
}
return(null);
}
public void AddElement(GuiElement element)
{
_elements.Add(element);
element.Arrange(Game.GetScreenRectangle());
}