public override void HandleInput(InputHelper input, GameTime gameTime)
{
if (input.KeyboardState.GetPressedKeys().Length > 0 ||
input.GamePadState.IsButtonDown(Buttons.A | Buttons.Start | Buttons.Back) ||
input.MouseState.LeftButton == ButtonState.Pressed)
{
_duration = TimeSpan.Zero;
}
}
/// <summary>
/// Responds to user input, changing the selected entry and accepting
/// or cancelling the menu.
/// </summary>
public override void HandleInput(InputHelper input, GameTime gameTime)
{
base.HandleInput(input, gameTime);
if (input.IsMenuSelect() && _selectedEntry != -1)
{
if (_menuEntries[_selectedEntry].SettingsChange != null)
{
_menuEntries[_selectedEntry].ModifyOption(null);
if (_menuEntries[_selectedEntry].OptionRequiresRestart)
ScreenManager.AddScreen(new MessageBoxScreen("Changing this option requires you to restart the game for it to take effect.", MessageBoxViewportAlignment.Center));
}
}
}
/// <summary>
/// Constructs a new screen manager component.
/// </summary>
public ScreenManager(Game game, GraphicsDeviceManager graphics)
: base(game)
{
// we must set EnabledGestures before we can query for them, but
// we don't assume the game wants to read them.
TouchPanel.EnabledGestures = GestureType.None;
_contentManager = game.Content;
_contentManager.RootDirectory = "Content";
_input = new InputHelper(this);
_screens = new List<GameScreen>();
_screensToUpdate = new List<GameScreen>();
_transitions = new List<RenderTarget2D>();
_graphics = graphics;
}
/// <summary>
/// Responds to user input, changing the selected entry and accepting
/// or cancelling the menu.
/// </summary>
public override void HandleInput(InputHelper input, GameTime gameTime)
{
// Mouse or touch on a menu item
int hoverIndex = GetMenuEntryAt(input.Cursor);
if (hoverIndex > -1 && _menuEntries[hoverIndex].IsSelectable() && !_scrollLock)
{
_selectedEntry = hoverIndex;
}
else
{
_selectedEntry = -1;
}
_scrollSlider.Hover = false;
if (input.IsCursorValid)
{
_scrollUp.Collide(input.Cursor);
_scrollDown.Collide(input.Cursor);
_scrollSlider.Collide(input.Cursor);
}
else
{
_scrollUp.Hover = false;
_scrollDown.Hover = false;
_scrollLock = false;
}
// Accept or cancel the menu?
if (input.IsMenuSelect() && _selectedEntry != -1)
{
if (_menuEntries[_selectedEntry].IsGlobalExitItem())
{
ScreenManager.Game.Exit();
}
else if (_menuEntries[_selectedEntry].IsScreenExitItem())
{
ExitScreen();
if (_menuEntries[_selectedEntry].CloseParentScreen)
_activeGameScreen.ExitScreen();
}
else if (_menuEntries[_selectedEntry].LinkScreen != null)
{
ScreenManager.AddScreen(_menuEntries[_selectedEntry].LinkScreen);
if (_menuEntries[_selectedEntry].LinkScreen is IDemoScreen)
{
ScreenManager.AddScreen(
new MessageBoxScreen((_menuEntries[_selectedEntry].LinkScreen as IDemoScreen).GetDetails(), MessageBoxViewportAlignment.Center));
}
}
else if (_menuEntries[_selectedEntry].SettingsChange != null)
{
_menuEntries[_selectedEntry].ModifyOption(null);
}
}
else if (input.IsMenuCancel())
{
this.ExitScreen();
}
if (input.IsMenuPressed())
{
if (_scrollUp.Hover)
{
_menuOffset = Math.Max(_menuOffset - 200f * (float)gameTime.ElapsedGameTime.TotalSeconds, 0f);
_scrollLock = false;
}
if (_scrollDown.Hover)
{
_menuOffset = Math.Min(_menuOffset + 200f * (float)gameTime.ElapsedGameTime.TotalSeconds, _maxOffset);
_scrollLock = false;
}
if (_scrollSlider.Hover)
{
_scrollLock = true;
}
}
if (input.IsMenuReleased())
{
_scrollLock = false;
}
if (_scrollLock)
{
_scrollSlider.Hover = true;
_menuOffset = Math.Max(Math.Min(((input.Cursor.Y - _menuBorderTop) / (_menuBorderBottom - _menuBorderTop)) * _maxOffset, _maxOffset), 0f);
}
}
/// <summary>
/// Responds to user input, accepting or cancelling the message box.
/// </summary>
public override void HandleInput(InputHelper input, GameTime gameTime)
{
if (input.IsMenuSelect() || input.IsMenuCancel() ||
input.IsNewMouseButtonPress(MouseButtons.LeftButton))
{
ExitScreen();
}
}
/// <summary>
/// Allows the screen to handle user input. Unlike Update, this method
/// is only called when the screen is active, and not when some other
/// screen has taken the focus.
/// </summary>
public virtual void HandleInput(InputHelper input, GameTime gameTime)
{
}