/// <summary>
/// Create a new <see cref="InputNumberField"/>.
/// Creates sub elements and sets default values.
/// </summary>
/// <param name="parent"></param>
public InputNumberField(IPositionedElement parent) : base(parent)
{
if (UIContentManager.TryGetInstance(out UIContentManager contentManager))
{
_background = new RelativeTexture(this,
new SpriteDefinition(contentManager.GetColorTexture(Color.White), new Rectangle(Point.Zero, new Point(1, 1))))
{
AnchorPosition = AnchorPosition.TopLeft,
RelativePosition = Point.Zero,
};
_renderText = new RelativeText(this, contentManager.GetFont("DebugFont"))
{
AnchorPosition = AnchorPosition.TopLeft,
RelativePosition = new Point(1, 1)
};
_textSb = new StringBuilder();
Visible = true;
}
else
{
throw new InvalidOperationException("UI content manager does not exist.");
}
}
/// <summary>
/// Create a new <see cref="Scrollbar"/>.
/// </summary>
///
/// <exception cref="Exception" />
public Scrollbar(IPositionedElement parent) : base(parent)
{
// Before the scrollbar items can be created, the required resources need to be created.
Texture2D scrollbarSheet;
if (UIContentManager.TryGetInstance(out UIContentManager manager))
{
scrollbarSheet = manager.GetTexture("UI\\Scrollbar");
}
else
{
throw new Exception("Could not retrieve scrollbar spritesheet.");
}
// Sprite definitions are created for the different sprites used by scrollbar items.
Rectangle upButtonRect = new Rectangle(0, 0, 15, 15);
SpriteDefinition upButtonDef = new SpriteDefinition(scrollbarSheet, upButtonRect);
Rectangle downButtonRect = new Rectangle(15, 0, 15, 15);
SpriteDefinition downButtonDef = new SpriteDefinition(scrollbarSheet, downButtonRect);
Rectangle handleRect = new Rectangle(0, 15, 15, 20);
SpriteDefinition handleDef = new SpriteDefinition(scrollbarSheet, handleRect);
Rectangle backgroundRect = new Rectangle(15, 15, 15, 35);
SpriteDefinition backgroundDef = new SpriteDefinition(scrollbarSheet, backgroundRect);
// Finally, the items themselves can be created.
_upButton = new Button(this, upButtonDef)
{
RelativePosition = Point.Zero,
Size = new Point(15, 15),
Focused = true,
Visible = true
};
_downButton = new Button(this, downButtonDef)
{
AnchorPosition = AnchorPosition.BottomLeft,
RelativePosition = new Point(0, -15),
Size = new Point(15, 15),
Focused = true,
Visible = true
};
_handle = new RelativeTexture(this, handleDef)
{
Size = new Point(15, 20)
};
_background = new RelativeTexture(this, backgroundDef)
{
RelativePosition = new Point(0, 15)
};
_downButton.Hold += _downButton_Hold;
_upButton.Hold += _upButton_Hold;
ScrollPosition = 0F;
}
/// <summary>
/// Render the civ panel.
/// </summary>
///
/// <param name="spriteBatch">
/// The spritebatch used for drawing.
/// </param>
public void Render(SpriteBatch spriteBatch)
{
if (Visible)
{
int textHeight = _civText.Size.Y;
if (textHeight > Size.Y)
{
_scrollbar.Focused = true;
_scrollbar.Render(spriteBatch);
}
else
{
_scrollbar.Focused = false;
}
spriteBatch.End();
if (_clipState == null)
{
_clipState = new RasterizerState()
{
ScissorTestEnable = true
};
}
RasterizerState prevRasterizerState = spriteBatch.GraphicsDevice.RasterizerState;
spriteBatch.GraphicsDevice.ScissorRectangle = Bounds;
spriteBatch.Begin(SpriteSortMode.BackToFront, rasterizerState: _clipState);
foreach (var civTexturePair in _civTexturePairs)
{
RelativeTexture civTexture = civTexturePair.Value.Texture;
if (_checkBounds.Contains(civTexture.Bounds))
{
civTexture.Render(spriteBatch);
}
}
_civText.Render(spriteBatch);
spriteBatch.End();
// The spritebatch is started again to continue the previous flow of drawing.
spriteBatch.Begin(SpriteSortMode.BackToFront, rasterizerState: prevRasterizerState);
}
}
