Helper class represents a single entry in a MenuScreen. By default this just draws the entry text string, but it can be customized to display menu entries in different ways. This also provides an event that will be raised when the menu entry is selected.
MenuButton Class Documentation
Esempio n. 1
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        public override void LoadContent()
        {
            base.LoadContent();

            Viewport viewport = ScreenManager.GraphicsDevice.Viewport;
            SpriteFont font = ScreenManager.Fonts.MenuSpriteFont;

            _texScrollButton = ScreenManager.Content.Load<Texture2D>("Common/arrow");
            _texSlider = ScreenManager.Content.Load<Texture2D>("Common/slider");

            float scrollBarPos = viewport.Width / 2f;
            for (int i = 0; i < _menuEntries.Count; ++i)
            {
                _menuEntries[i].Initialize();
                scrollBarPos = Math.Min(scrollBarPos,
                                         (viewport.Width - _menuEntries[i].GetWidth()) / 2f);
            }
            scrollBarPos -= _texScrollButton.Width + 2f;

            _titleOrigin = font.MeasureString(_menuTitle) / 2f;
            _titlePosition = new Vector2(viewport.Width / 2f, font.MeasureString("M").Y / 2f + 10f);

            _menuBorderMargin = font.MeasureString("M").Y * 0.8f;
            _menuBorderTop = (viewport.Height - _menuBorderMargin * (NumEntries - 1)) / 2f;
            _menuBorderBottom = (viewport.Height + _menuBorderMargin * (NumEntries - 1)) / 2f;

            _menuOffset = 0f;
            _maxOffset = Math.Max(0f, (_menuEntries.Count - NumEntries) * _menuBorderMargin);

            _scrollUp = new MenuButton(_texScrollButton, false, new Vector2(scrollBarPos, _menuBorderTop - _texScrollButton.Height), this);
            _scrollDown = new MenuButton(_texScrollButton, true, new Vector2(scrollBarPos, _menuBorderBottom + _texScrollButton.Height), this);
            _scrollSlider = new MenuButton(_texSlider, false, new Vector2(scrollBarPos, _menuBorderTop), this);

            _scrollLock = false;
        }
Esempio n. 2
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        public override void LoadContent()
        {
            base.LoadContent();

            Viewport   viewport = ScreenManager.GraphicsDevice.Viewport;
            SpriteFont font     = ScreenManager.Fonts.MenuSpriteFont;

            _texScrollButton = ScreenManager.Content.Load <Texture2D>("Common/arrow");
            _texSlider       = ScreenManager.Content.Load <Texture2D>("Common/slider");

            float scrollBarPos = viewport.Width / 2f;

            for (int i = 0; i < _menuEntries.Count; ++i)
            {
                _menuEntries[i].Initialize();
                scrollBarPos = Math.Min(scrollBarPos,
                                        (viewport.Width - _menuEntries[i].GetWidth()) / 2f);
            }
            scrollBarPos -= _texScrollButton.Width + 2f;

            _titleOrigin   = font.MeasureString(_menuTitle) / 2f;
            _titlePosition = new Vector2(viewport.Width / 2f, font.MeasureString("M").Y / 2f + 10f);

            _menuBorderMargin = font.MeasureString("M").Y * 0.8f;
            _menuBorderTop    = (viewport.Height - _menuBorderMargin * (NumEntries - 1)) / 2f;
            _menuBorderBottom = (viewport.Height + _menuBorderMargin * (NumEntries - 1)) / 2f;

            _menuOffset = 0f;
            _maxOffset  = Math.Max(0f, (_menuEntries.Count - NumEntries) * _menuBorderMargin);

            _scrollUp     = new MenuButton(_texScrollButton, false, new Vector2(scrollBarPos, _menuBorderTop - _texScrollButton.Height), this);
            _scrollDown   = new MenuButton(_texScrollButton, true, new Vector2(scrollBarPos, _menuBorderBottom + _texScrollButton.Height), this);
            _scrollSlider = new MenuButton(_texSlider, false, new Vector2(scrollBarPos, _menuBorderTop), this);

            _scrollLock = false;
        }