/// <summary>
/// Determines if the specified button is currently pressed.
/// </summary>
/// <param name="state">The MouseState which should be checked.</param>
/// <param name="button">The MouseButton which should be checked.</param>
/// <returns>Returns true if the button is currently pressed, false otherwise.</returns>
private static bool IsDown(MouseState state, MouseButton button)
{
return IsButtonState(state, button, ButtonState.Pressed);
}
/// <summary>
/// Determines if the specified button is currently released.
/// </summary>
/// <param name="state">The MouseState which should be checked.</param>
/// <param name="button">The MouseButton which should be checked.</param>
/// <returns>Returns true if the button is currently released, false otherwise.</returns>
private static bool IsUp(MouseState state, MouseButton button)
{
return IsButtonState(state, button, ButtonState.Released);
}
/// <summary>
/// Determines if the specified MouseButton has the expected ButtonState value.
/// </summary>
/// <param name="mouseState">The MouseState which should be checked.</param>
/// <param name="mouseButton">The MouseButton which should be checked.</param>
/// <param name="buttonState">The expected ButtonState value.</param>
/// <returns></returns>
private static bool IsButtonState(MouseState mouseState, MouseButton mouseButton, ButtonState buttonState)
{
return mouseButton.HasState(mouseState, buttonState);
}
/// <summary>
/// Determines if the specified button is actively being held down.
/// </summary>
/// <param name="button">The button whose state should be checked.</param>
/// <returns>True if the button is currently being held down, false otherwise.</returns>
public bool IsCurrentlyPressed(MouseButton button)
{
return IsDown(_MouseState, button);
}
/// <summary>
/// Determines if the specified button used to be pressed, but isn't currently pressed.
/// </summary>
/// <param name="button">The button whose state should be checked.</param>
/// <returns>True if the button has been recently released, false otherwise.</returns>
public bool HasBeenReleased(MouseButton button)
{
return IsUp(_MouseState, button) && IsUp(_LastMouseState, button);
}
/// <summary>
/// Determines if the specified button is currently pressed, but used to not be pressed.
/// </summary>
/// <param name="button">The button whose state should be checked.</param>
/// <returns>True if the button has been recently pressed, false otherwise.</returns>
public bool HasBeenPressed(MouseButton button)
{
return IsDown(_MouseState, button) && IsUp(_LastMouseState, button);
}
/// <summary>
/// Determines if the specified button has been pressed and released twice in quick succession.
/// </summary>
/// <param name="button">The button whose state should be checked.</param>
/// <returns>True if the button has been recently double clicked, false otherwise.</returns>
public bool HasBeenDoubleClicked(MouseButton button)
{
MouseActionTracker clickOptions;
if (_MouseActions.TryGetValue(button, out clickOptions) == false)
{
return false;
}
return clickOptions.LastClickWasConsideredDoubleClick;
}
