public Button()
{
imgState = MyButtonState.Idle;
GameEventManager.Instance.addHandler<MouseMotionEvent>(new GameEventHandler<MouseMotionEvent>(handleButtonMouseMotionAction));
GameEventManager.Instance.addHandler<MouseEvent>(new GameEventHandler<MouseEvent>(handleButtonMouseAction));
}
protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
//////////////////////////////////////
State = MyButtonState.Leave;
//////////////////////////////////////
this.Invalidate(false);
}
protected override void OnMouseUp(MouseEventArgs mevent)
{
base.OnMouseUp(mevent);
//////////////////////////////////////
State = MyButtonState.Up;
//////////////////////////////////////
this.Invalidate(false);
}
protected override void OnMouseEnter(EventArgs e)
{
base.OnMouseEnter(e);
//////////////////////////////////////
State = MyButtonState.Enter;
//////////////////////////////////////
this.Invalidate(false);
}
private void handleButtonMouseMotionAction(MouseMotionEvent e)
{
if (this.HoverEnabled)
{
if (isInBounds(e.X, e.Y))
{
imgState = MyButtonState.Hover;
}
else
{
imgState = MyButtonState.Idle;
}
}
}
private void handleButtonMouseAction(MouseEvent e)
{
if (this.PressDownEnabled && e.Pressed == Microsoft.Xna.Framework.Input.ButtonState.Pressed && isInBounds(e.X, e.Y))
{
imgState = MyButtonState.Pressed;
}
else if(this.HoverEnabled && isInBounds(e.X, e.Y))
{
imgState = MyButtonState.Hover;
}
else if (!this.HoverEnabled)
{
imgState = MyButtonState.Idle;
}
}
/// <summary>
/// Get a flag.
/// </summary>
/// <param name="flag">
/// A <b>MyButtonState</b> value.
/// </param>
/// <returns>
/// A <b>bool</b> value indicates the flag.
/// </returns>
private bool GetFlag(MyButtonState flag)
{
return ((this._state & flag) == flag);
}
/// <summary>
/// SetFlag.
/// </summary>
/// <param name="flag">
/// A <b>MyButtonState</b> value.
/// </param>
/// <param name="value">
/// A <b>bool</b> value.
/// </param>
private void SetFlag(MyButtonState flag, bool value)
{
if (value)
{
this._state |= flag;
}
else
{
this._state &= ~flag;
}
base.AccessibilityNotifyClients(AccessibleEvents.StateChange, -1);
}
public bool Update(GameTime gameTime)
{
MouseState ms = Mouse.GetState();
if (!(TextureTool.checkHoverTexure(_tex[Convert.ToInt32(_state)], _position, new Vector2(ms.X, ms.Y)))) // Normal
_state = MyButtonState.Normal;
else // Hovering
if (ms.LeftButton != ButtonState.Pressed)
_state = MyButtonState.Hover;
else
{
_state = MyButtonState.Clicked;
return false;
}
return true;
}
protected override void OnStart(AppHost host)
{
int x_pos = 0;
//mouse behavior for LayoutFarm.CustomWidgets.Box,
//with special attachment state => MyButtonState
var mouseBeh = new UIMouseBehaviour <LayoutFarm.CustomWidgets.Box, MyButtonState>();
mouseBeh.MouseEnter += (s, e) =>
{
//s is a behaviour object that raise the event
//not the the current context element
LayoutFarm.CustomWidgets.Box box = s.Source;
box.BackColor = _mouseEnterState;
#if DEBUG
System.Diagnostics.Debug.WriteLine("mouse_enter:" + box.dbugId);
#endif
};
mouseBeh.MouseLeave += (s, e) =>
{
//s is a behaviour object that raise the event
//not the the current context element
LayoutFarm.CustomWidgets.Box box = s.Source;
box.BackColor = _normalState;
#if DEBUG
System.Diagnostics.Debug.WriteLine("mouse_leave:" + box.dbugId);
#endif
};
mouseBeh.MouseHover += (s, e) =>
{
//b is a behaviour object that raise the event
//not the the current context element
LayoutFarm.CustomWidgets.Box box = s.Source;
box.BackColor = _hoverState;
#if DEBUG
System.Diagnostics.Debug.WriteLine("mouse_hover:" + box.dbugId);
#endif
};
mouseBeh.MousePress += (s, e) =>
{
//s is a behaviour object that raise the event
//not the the current context element
LayoutFarm.CustomWidgets.Box box = s.Source;
Color back_color = box.BackColor;
box.BackColor = new Color((byte)System.Math.Min(back_color.A + 10, 255), back_color.R, back_color.G, back_color.B);
#if DEBUG
System.Diagnostics.Debug.WriteLine("mouse_press:" + box.dbugId);
#endif
};
mouseBeh.MouseDown += (s, e) =>
{
MyButtonState buttonState = s.State;
if (buttonState != null)
{
if (buttonState.ClickCount > 3)
{
s.Source.BackColor = Color.Magenta;
}
buttonState.ClickCount++;
}
};
for (int i = 0; i < 10; ++i)
{
var sampleButton = new LayoutFarm.CustomWidgets.Box(30, 30);
sampleButton.BackColor = _normalState;
sampleButton.SetLocation(x_pos, 10);
MyButtonState state = new MyButtonState();
mouseBeh.AttachUniqueBehaviorTo(sampleButton, state);
host.AddChild(sampleButton);
x_pos += 30 + 5;
}
}