public Menu(params MenuItem[] items)
{
IsTouchEnabled = true;
SizeF s = Director.Instance.WinSize;
IsRelativeAnchorPoint = false;
AnchorPoint = new PointF(0.5f, 0.5f);
ContentSize = s;
RectangleF r = UIApplication.SharedApplication.StatusBarFrame;
DeviceOrientation orientation = Director.Instance.DeviceOrientation;
if (orientation == DeviceOrientation.LandscapeLeft || orientation == DeviceOrientation.LandscapeRight) {
s.Height -= r.Width;
} else {
s.Height -= r.Height;
}
SetPosition(s.Width / 2f, s.Height / 2f);
int z = 0;
IsRunning = true;
foreach (MenuItem item in items) {
AddChild(item, z);
++z;
}
_state = MenuState.Waiting;
_selectedItem = null;
}
public override void TouchMoved(UITouch touch, UIEvent evnt)
{
Debug.Assert(_state == MenuState.TrackingTouch, "Menu.TouchEnded, invalid state");
MenuItem currentItem = ItemForTouch(touch);
if (currentItem != _selectedItem) {
if (_selectedItem != null) {
_selectedItem.OnUnselected();
}
_selectedItem = currentItem;
if (_selectedItem != null) {
_selectedItem.OnSelected();
}
}
}
public override bool TouchBegan(UITouch touch, UIEvent evnt)
{
if (_state != MenuState.Waiting) {
return false;
}
_selectedItem = ItemForTouch(touch);
if (_selectedItem != null) {
_selectedItem.OnSelected();
_state = MenuState.TrackingTouch;
return true;
}
return false;
}
