/// <summary>
///
/// Constructor of GUIButton
/// </summary>
/// <param name="callbackEvent">Function that will be called when button is pressed</param>
public GUIButton(Texture2D normal, Texture2D hover, Texture2D pressed, Texture2D disabled, ButtonPressedCallback callbackEvent, GUIButtonState startState, Rectangle rect)
: base(rect)
{
this.normalTexture = normal;
this.hoverTexture = hover;
this.pressedTexture = pressed;
this.disabledTexture = disabled;
this.myState = startState;
switch (this.myState)
{
case GUIButtonState.DISABLED:
this.currentTexture = this.disabledTexture;
break;
case GUIButtonState.HOVER:
this.currentTexture = this.hoverTexture;
break;
case GUIButtonState.NORMAL:
this.currentTexture = this.normalTexture;
break;
case GUIButtonState.PRESSED:
this.currentTexture = this.pressedTexture;
break;
}
this.callbackEvent += callbackEvent;
}
/// <summary>
/// An interactive interface based upon user input
/// </summary>
/// <param name="texture">Texture of the button's background</param>
/// <param name="location">Where is the button located</param>
/// <param name="activationEvents">A List of void functions/methods that
/// should be executed when the button is Activated</param>
/// <param name="font">Font of the button text</param>
/// <param name="text">Button text</param>
/// <param name="textLocation">Where the text is located RELATIVE to the
/// button's location</param>
/// <param name="textColor">The color of the text</param>
/// <param name="active">Whether prssing the Button should execute
/// functions from an activation event</param>
/// <param name="highlightable">Highlight the button when it's either
/// Selected or Pressed</param>
/// <param name="clickable">Can the button be Pressed by a left mouse
/// click?</param>
/// <param name="linger">Will the button stay selected if the mouse
/// moves off of the button while the Button is clickable</param>
/// <param name="selected">Whether the Button be Selected when it's
/// first loaded</param>
public Button(Texture2D texture, Rectangle location,
List <ActivationFunction> activationEvents, SpriteFont font,
string text, Vector2 textLocation, Color textColor, bool active,
bool highlightable, bool clickable, bool linger,
bool selected = false)
{
buttonTexture = texture;
position = location;
this.font = font;
buttonText = text;
this.textColor = textColor;
this.textLocation = new Vector2(position.X, position.Y)
+ textLocation;
foreach (ActivationFunction func in activationEvents)
{
if (func != null)
{
ButtonActivationEvent += func;
}
}
this.highlightable = highlightable;
this.linger = linger;
this.clickable = clickable;
if (active)
{
buttonState = GUIButtonState.Active;
if (highlightable && selected)
{
buttonColor = Color.LightGray;
}
else
{
buttonColor = Color.White;
}
}
else
{
if (highlightable && selected)
{
buttonColor = Color.Gray;
}
else
{
buttonColor = Color.DarkGray;
}
}
buttonState |=
(selected ? GUIButtonState.Selected : GUIButtonState.Standby);
}
/// <summary>
/// An interactive GUI element that can produce output based upon user
/// input.
/// </summary>
/// <param name="texture">The texture of the Button's background</param>
/// <param name="location">Where the Button is located</param>
/// <param name="activationEvents">A List of void functions/methods that
/// should be executed when the button is Activated</param>
/// <param name="active">Whether prssing the Button should execute
/// functions from an activation event</param>
/// <param name="highlightable">Highlight the button when it's either
/// Selected or Pressed</param>
/// <param name="clickable">Can the button be Pressed by a left mouse
/// click?</param>
/// <param name="linger">Will the button stay selected if the mouse
/// moves off of the button while the Button is clickable</param>
/// <param name="selected">Whether the Button be Selected when it's
/// first loaded</param>
public Button(Texture2D texture, Rectangle location,
List <ActivationFunction> activationEvents, bool active,
bool highlightable, bool clickable, bool linger,
bool selected = false)
{
buttonTexture = texture;
position = location;
font = null;
buttonText = "";
textColor = Color.White;
textLocation = Vector2.Zero;
foreach (ActivationFunction func in activationEvents)
{
if (func != null)
{
ButtonActivationEvent += func;
}
}
this.highlightable = highlightable;
this.linger = linger;
this.clickable = clickable;
if (active)
{
buttonState = GUIButtonState.Active;
if (highlightable && selected)
{
buttonColor = Color.LightGray;
}
else
{
buttonColor = Color.White;
}
}
else
{
if (highlightable && selected)
{
buttonColor = Color.Gray;
}
else
{
buttonColor = Color.DarkGray;
}
}
buttonState |=
(selected ? GUIButtonState.Selected : GUIButtonState.Standby);
}
/// <summary>
/// Empty area with button functionality
/// </summary>
/// <param name="callbackMethod">Method called on click</param>
public Button(Rectangle rectangle, Call callbackMethod)
{
this.rectangle = rectangle;
colors = new Color[0];
texture = null;
textured = false;
// All fields must be asigned before local methods can be called
currentState = GUIButtonState.Neutral;
currentState = GetState();
if (currentState == GUIButtonState.Click)
{
callbackMethod.Invoke();
}
}
/// <summary>
/// Textured button
/// </summary>
/// <param name="callbackMethod">Method called on click</param>
public Button(Rectangle rectangle, Texture2D texture, Color normalColor, Color hoverColor, Color clickedColor, Call callbackMethod)
{
this.rectangle = rectangle;
colors = new Color[3] {
normalColor, hoverColor, clickedColor
};
this.texture = texture;
textured = true;
// All fields must be asigned before local methods can be called
currentState = GUIButtonState.Neutral;
currentState = GetState();
if (currentState == GUIButtonState.Click)
{
callbackMethod.Invoke();
}
}
/// <summary>
///
/// Changes GUIButton state to passed in params
/// </summary>
public void ChangeState(GUIButtonState newState)
{
if (this.myState == GUIButtonState.PRESSED && newState == GUIButtonState.HOVER)
{
return;
}
this.myState = newState;
this.currentTexture = null;
switch (this.myState)
{
case GUIButtonState.DISABLED:
if (this.disabledTexture != null)
{
this.currentTexture = this.disabledTexture;
}
break;
case GUIButtonState.HOVER:
if (this.hoverTexture != null)
{
this.currentTexture = this.hoverTexture;
}
break;
case GUIButtonState.NORMAL:
if (this.normalTexture != null)
{
this.currentTexture = this.normalTexture;
}
break;
case GUIButtonState.PRESSED:
if (this.pressedTexture != null)
{
this.currentTexture = this.pressedTexture;
}
break;
}
}
public void Update(GameTime gameTime)
{
if (GarrettTowerDefense.loadingScene)
return;
if (MouseHandler.MouseInRect(Rect))
{
if (MouseHandler.CurrentMouseState.LeftButton == ButtonState.Pressed)
{
State = GUIButtonState.Down;
}
else
{
State = GUIButtonState.Over;
}
}
else
{
State = GUIButtonState.Up;
}
}
/// <summary>
///
/// Draws GUIButton with passed parameters
/// </summary>
/// <param name="callbackEvent">Function that will be called when button is pressed</param>
public void DrawButton(Texture2D normalTexture, Texture2D hoverTexture, Texture2D pressedTexture, Texture2D disabledTexture, GUIButtonState startState, ButtonPressedCallback callbackEvent, Rectangle rect)
{
GUIButton guiButton = new GUIButton(normalTexture, hoverTexture, pressedTexture, disabledTexture, callbackEvent, startState, rect);
this.DrawButton(guiButton);
}
/// <summary>
///
/// Draws GUIButton with passed parameters
/// </summary>
/// <param name="callbackEvent">Function that will be called when button is pressed</param>
public void DrawButton(Texture2D normalTexture, Texture2D hoverTexture, Texture2D pressedTexture, Texture2D disabledTexture, GUIButtonState startState, ButtonPressedCallback callbackEvent, Vector2 position, float width, float height)
{
GUIButton guiButton = new GUIButton(normalTexture, hoverTexture, pressedTexture, disabledTexture, callbackEvent, startState, position, width, height);
this.DrawButton(guiButton);
}
