private void menuItemHovered(DrawableMenuItem item)
{
// If we're not a sub-menu, then hover shouldn't display a sub-menu unless an item is clicked
if (TopLevelMenu && submenu?.State != MenuState.Open)
{
return;
}
openDelegate?.Cancel();
if (TopLevelMenu || HoverOpenDelay == 0)
{
openSubmenuFor(item);
}
else
{
openDelegate = Scheduler.AddDelayed(() =>
{
if (item.IsHovered)
{
openSubmenuFor(item);
}
}, HoverOpenDelay);
}
}
private void openSubmenuFor(DrawableMenuItem item)
{
item.State = MenuItemState.Selected;
if (submenu == null)
{
submenuContainer.Add(submenu = CreateSubMenu());
submenu.parentMenu = this;
submenu.StateChanged += submenuStateChanged;
}
submenu.triggeringItem = item.Item;
submenu.Items = item.Item.Items;
submenu.Position = item.ToSpaceOfOtherDrawable(new Vector2(
Direction == Direction.Vertical ? item.DrawWidth : 0,
Direction == Direction.Horizontal ? item.DrawHeight : 0), this);
if (item.Item.Items.Count > 0)
{
if (submenu.State == MenuState.Open)
{
Schedule(delegate { GetContainingInputManager().ChangeFocus(submenu); });
}
else
{
submenu.Open();
}
}
else
{
submenu.Close();
}
}
private void select(DrawableMenuItem drawableItem)
{
if (selectedItem != null)
{
selectedItem.BackgroundColour = UnselectedColour;
}
selectedItem = drawableItem;
Current.Value = drawableItem.Item;
selectedItem.BackgroundColour = SelectedColour;
}
private void itemStateChanged(DrawableMenuItem item, MenuItemState state)
{
if (state != MenuItemState.Selected)
{
return;
}
if (item != selectedItem && selectedItem != null)
{
selectedItem.State = MenuItemState.NotSelected;
}
selectedItem = item;
}
private void menuItemClicked(DrawableMenuItem item)
{
// We only want to close the sub-menu if we're not a sub menu - if we are a sub menu
// then clicks should instead cause the sub menus to instantly show up
if (TopLevelMenu && submenu?.State == MenuState.Open)
{
submenu.Close();
return;
}
// Check if there is a sub menu to display
if (item.Item.Items?.Count == 0)
{
// This item must have attempted to invoke an action - close all menus
closeAll();
return;
}
openDelegate?.Cancel();
openSubmenuFor(item);
}
