public virtual void Attach(IMenu menu)
{
if (Menu != null)
{
throw new NotSupportedException("DefaultMenuInteractionHandler is already attached.");
}
Menu = menu;
Menu.GotFocus += GotFocus;
Menu.LostFocus += LostFocus;
Menu.KeyDown += KeyDown;
Menu.PointerPressed += PointerPressed;
Menu.PointerReleased += PointerReleased;
Menu.AddHandler(AccessKeyHandler.AccessKeyPressedEvent, AccessKeyPressed);
Menu.AddHandler(Avalonia.Controls.Menu.MenuOpenedEvent, this.MenuOpened);
Menu.AddHandler(MenuItem.PointerEnterItemEvent, PointerEnter);
Menu.AddHandler(MenuItem.PointerLeaveItemEvent, PointerLeave);
_root = Menu.VisualRoot;
if (_root is InputElement inputRoot)
{
inputRoot.AddHandler(InputElement.PointerPressedEvent, RootPointerPressed, RoutingStrategies.Tunnel);
}
if (_root is WindowBase window)
{
window.Deactivated += WindowDeactivated;
}
_inputManagerSubscription = InputManager?.Process.Subscribe(RawInput);
}
public virtual void Attach(IMenu menu)
{
if (Menu != null)
{
throw new NotSupportedException("DefaultMenuInteractionHandler is already attached.");
}
Menu = menu;
Menu.GotFocus += GotFocus;
Menu.LostFocus += LostFocus;
Menu.KeyDown += KeyDown;
Menu.PointerPressed += PointerPressed;
Menu.PointerReleased += PointerReleased;
Menu.AddHandler(AccessKeyHandler.AccessKeyPressedEvent, AccessKeyPressed);
Menu.AddHandler(MenuBase.MenuOpenedEvent, MenuOpened);
Menu.AddHandler(MenuItem.PointerEnteredItemEvent, PointerEntered);
Menu.AddHandler(MenuItem.PointerExitedItemEvent, PointerExited);
Menu.AddHandler(InputElement.PointerMovedEvent, PointerMoved);
_root = Menu.VisualRoot;
if (_root is InputElement inputRoot)
{
inputRoot.AddHandler(InputElement.PointerPressedEvent, RootPointerPressed, RoutingStrategies.Tunnel);
}
if (_root is WindowBase window)
{
window.Deactivated += WindowDeactivated;
}
if (_root is TopLevel tl && tl.PlatformImpl is ITopLevelImpl pimpl)
{
pimpl.LostFocus += TopLevelLostPlatformFocus;
}
_inputManagerSubscription = InputManager?.Process.Subscribe(RawInput);
}
