/// <summary>
/// Called when "SubMenu" state is entered.
/// </summary>
private void OnEnterSubMenuScreen(object sender, StateEventArgs eventArgs)
{
// Similar to OnEnterMenuScreen.
_subMenuWindow = new Window
{
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
};
_uiScreen.Children.Add(_subMenuWindow);
var stackPanel = new StackPanel
{
Orientation = Orientation.Vertical,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Bottom,
Margin = new Vector4F(150, 0, 0, 200)
};
_subMenuWindow.Content = stackPanel;
var button1 = new Button
{
Name = "Item1Button",
Content = new TextBlock { Text = "Item 1" },
FocusWhenMouseOver = true,
};
var button2 = new Button
{
Name = "Item2Button",
Content = new TextBlock { Text = "Item 2" },
FocusWhenMouseOver = true,
};
var button3 = new Button
{
Name = "Item3Button",
Content = new TextBlock { Text = "Item 3" },
FocusWhenMouseOver = true,
};
var backButton = new Button
{
Name = "BackButton",
Content = new TextBlock { Text = "Back" },
FocusWhenMouseOver = true,
};
backButton.Click += OnBackButtonClicked;
stackPanel.Children.Add(button1);
stackPanel.Children.Add(button2);
stackPanel.Children.Add(button3);
stackPanel.Children.Add(backButton);
button1.Focus();
// Fade-in the buttons from the right.
AnimateFrom(stackPanel.Children, 0, new Vector2F(300, 0));
}
private void AddWindowComponents()
{
var menuWindow = new Window
{
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
};
_screen.Children.Add(menuWindow);
var stackPanel = new StackPanel
{
Orientation = Orientation.Vertical,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Center,
Margin = new Vector4F(150, 0, 0, 0),
};
menuWindow.Content = stackPanel;
var startButton = new Button
{
Name = "StartButton",
Content = new TextBlock { Text = "Start" },
FocusWhenMouseOver = true,
};
startButton.Click += OnStartButtonClicked;
stackPanel.Children.Add(startButton);
startButton.Focus();
_game.ResetElapsedTime();
}
/// <summary>
/// Called when "Menu" state is entered.
/// </summary>
private void OnEnterMenuScreen(object sender, StateEventArgs eventArgs)
{
// Show a main menu consisting of several buttons.
// The user should be able to select individual buttons by using the
// D-pad on the gamepad or the arrow keys. Therefore we need to create
// a Window. A Window manages the currently selected ("focused") control
// and automatically handles focus movement.
// In this example the Window is invisible (no chrome) and stretches across
// the entire screen.
_menuWindow = new Window
{
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
};
_uiScreen.Children.Add(_menuWindow);
// The content of the Window is a vertical StackPanel containing several buttons.
var stackPanel = new StackPanel
{
Orientation = Orientation.Vertical,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Bottom,
Margin = new Vector4F(150, 0, 0, 200)
};
_menuWindow.Content = stackPanel;
// The "Start" button starts the "Game" state.
var startButton = new Button
{
Name = "StartButton",
Content = new TextBlock { Text = "Start" },
FocusWhenMouseOver = true,
};
startButton.Click += OnStartButtonClicked;
// The buttons "Sub menu 1" and "Sub menu 2" show a dummy sub-menu.
var subMenu1Button = new Button
{
Name = "SubMenu1Button",
Content = new TextBlock { Text = "Sub-menu 1" },
FocusWhenMouseOver = true,
};
subMenu1Button.Click += OnSubMenuButtonClicked;
var subMenu2Button = new Button
{
Name = "SubMenu2Button",
Content = new TextBlock { Text = "Sub-menu 2" },
FocusWhenMouseOver = true,
};
subMenu2Button.Click += OnSubMenuButtonClicked;
// The "Exit" button closes the application.
var exitButton = new Button
{
Name = "ExitButton",
Content = new TextBlock { Text = "Exit" },
FocusWhenMouseOver = true,
};
exitButton.Click += OnExitButtonClicked;
stackPanel.Children.Add(startButton);
stackPanel.Children.Add(subMenu1Button);
stackPanel.Children.Add(subMenu2Button);
stackPanel.Children.Add(exitButton);
// By default, the first button should be selected.
startButton.Focus();
// Slide the buttons in from the left (off screen) to make things more dynamic.
AnimateFrom(stackPanel.Children, 0, new Vector2F(-300, 0));
// The first time initialization of the GUI can take a short time. If we reset the elapsed
// time of the XNA game timer, the animation will start a lot smoother.
// (This works only if the XNA game uses a variable time step.)
Game.ResetElapsedTime();
}
