public int HandleClick(Point mousePosition)
{
if (null == visibleMenuItems || (visibleMenuItems.Count <= 0))
{
return(-1);
}
mousePosition.X -= radialMenuVisual.Transform.Value.OffsetX;
mousePosition.Y -= radialMenuVisual.Transform.Value.OffsetY;
if (upScroller != null && downScroller != null)
{
Scroller tempScroller = new Scroller(ScrollerType.None);
bool result = ScrollerHitTest(mousePosition, out tempScroller);
if (tempScroller.Type == ScrollerType.Up)
{
this.HandleScrollUp();
return(0);
}
else if (tempScroller.Type == ScrollerType.Down)
{
this.HandleScrollDown();
return(0);
}
}
if (IsWithinHitTestRegion(mousePosition) == false)
{
return(-1);
}
int itemIndex;
double min;
GetClosestItemToAnchor(out itemIndex, out min);
MenuItemInfo item = visibleMenuItems.ElementAt(itemIndex);
Point temp;
int tempId;
HandleMouseMove(mousePosition, out temp, out tempId);
return(item.MenuId);
}
private void InitializeMenuItems()
{
visibleMenuItems = new LinkedList<MenuItemInfo>();
int i = index;
int itemsCount = reducedList.Count;
if (itemsCount > Configurations.RadialMenuMaxItems)
itemsCount = Configurations.RadialMenuMaxItems;
for (; i < index + itemsCount; i++)
{
MenuItemInfo menuItem = new MenuItemInfo(reducedList.ElementAt(i).Value, this.keyword, anchor);
menuItem.MenuId = reducedList.ElementAt(i).Key;
menuItem.ItemPosition = centerPosition;
visibleMenuItems.AddLast(menuItem);
}
this.UpdateScrollerState();
arcStartPoint.X = centerPosition.X + radius * Math.Cos(startAngle);
arcStartPoint.Y = centerPosition.Y - radius * Math.Sin(startAngle);
arcEndPoint.X = centerPosition.X + radius * Math.Cos(endAngle);
arcEndPoint.Y = centerPosition.Y - radius * Math.Sin(endAngle);
}