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using V3.Input;
namespace V3.Screens
{
/// <summary>
/// A screen that can be handled by a screen manager and that provides
/// information on how to deal with other screens below this one.
/// </summary>
public interface IScreen : IDrawable, IUpdateable
{
/// <summary>
/// Indicates whether screens below this one should be updated.
/// </summary>
bool UpdateLower { get; }
/// <summary>
/// Indicates whether screens below this one should be drawn.
/// </summary>
bool DrawLower { get; }
/// <summary>
/// Handles the given key event and returns whether it should be passed
/// to the screens below this one.
/// </summary>
/// <param name="keyEvent">the key event that occurred</param>
/// <returns>true if the event has been handeled by this screen and
/// should not be passed to the lower screens, false otherwise</returns>
bool HandleKeyEvent(IKeyEvent keyEvent);
/// <summary>
/// Handles the given mouse event and returns whether it should be passed
/// to the screens below this one.
/// </summary>
/// <param name="mouseEvent">the mouse event that occurred</param>
/// <returns>true if the event has been handeled by this screen and
/// should not be passed to the lower screens, false otherwise</returns>
bool HandleMouseEvent(IMouseEvent mouseEvent);
}
}
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