/// <summary>
/// Creates a new instance
/// </summary>
/// <param name="fontPath">The font used by this control and its inner default ButtonSkins</param>
/// <param name="text">The initial text for this button</param>
public Button(string fontPath, string text)
{
Normal = new ButtonSkin(fontPath);
Pressed = new ButtonSkin(fontPath) {TextColor = Color.Green};
Selected = new ButtonSkin(fontPath) {TextColor = Color.Red};
Text = text;
State = ButtonState.Normal;
FocusAcquired += OnFocusAcquired;
FocusLost += OnFocusLost;
Clicked += OnButtonClicked;
}
/// <summary>
/// Refreshes the control properties when it requires to be redrawn to the RenderTarget
/// </summary>
/// <param name="device"></param>
public override void Refresh(GraphicsDevice device)
{
// what is the current state of the Control
ButtonSkin state = State == ButtonState.Selected
? State == ButtonState.Pressed ? Pressed : Selected
: Normal;
// we retrieve the size of the text
Vector2 textSize = state.Font.MeasureString(_text);
Vector2 backgroundSize = state.BackgroundTexture != null
? new Vector2(state.BackgroundTexture.Width, state.BackgroundTexture.Height)
: Vector2.One;
// we resize the Control to the highest size between the text size and the background texture size.
Width = (int)(Math.Max(textSize.X - state.TextOffset.X, backgroundSize.X) * Scale.X);
Height = (int)(Math.Max(textSize.Y - state.TextOffset.Y, backgroundSize.Y) * Scale.Y);
}
/// <summary>
/// Creates a new instance
/// </summary>
/// <param name="fontPath">The font used by this control and its inner default ButtonSkins</param>
/// <param name="text">The initial text for this button</param>
public Button(string fontPath, string text)
{
Normal = new ButtonSkin(fontPath);
Pressed = new ButtonSkin(fontPath)
{
TextColor = Color.Green
};
Selected = new ButtonSkin(fontPath)
{
TextColor = Color.Red
};
Text = text;
State = ButtonState.Normal;
FocusAcquired += OnFocusAcquired;
FocusLost += OnFocusLost;
Clicked += OnButtonClicked;
}
/// <summary>
/// Renders the control
/// </summary>
/// <param name="spriteRenderer"></param>
public override void Render(SpriteBatch spriteRenderer)
{
base.Render(spriteRenderer);
// what is the current state of the Control
ButtonSkin state = State == ButtonState.Selected
? State == ButtonState.Pressed ? Pressed : Selected
: Normal;
// Render first the background texture if any
if (state.BackgroundTexture != null)
{
spriteRenderer.Draw(state.BackgroundTexture, Vector2.Zero, null,
new Color(1.0f, 1.0f, 1.0f, state.BackgroundTextureAlpha), 0f, Vector2.Zero, Scale,
SpriteEffects.None, 0);
}
// Render the text
spriteRenderer.DrawString(state.Font, _text, Vector2.Zero, state.TextColor, 0f, state.TextOffset, Scale,
SpriteEffects.None, 1);
}