public virtual void Detach(IMenu menu)
{
if (Menu != menu)
{
throw new NotSupportedException("DefaultMenuInteractionHandler is not attached to the menu.");
}
Menu.GotFocus -= GotFocus;
Menu.LostFocus -= LostFocus;
Menu.KeyDown -= KeyDown;
Menu.PointerPressed -= PointerPressed;
Menu.PointerReleased -= PointerReleased;
Menu.RemoveHandler(AccessKeyHandler.AccessKeyPressedEvent, AccessKeyPressed);
Menu.RemoveHandler(Avalonia.Controls.Menu.MenuOpenedEvent, this.MenuOpened);
Menu.RemoveHandler(MenuItem.PointerEnterItemEvent, PointerEnter);
Menu.RemoveHandler(MenuItem.PointerLeaveItemEvent, PointerLeave);
if (_root is InputElement inputRoot)
{
inputRoot.RemoveHandler(InputElement.PointerPressedEvent, RootPointerPressed);
}
if (_root is WindowBase root)
{
root.Deactivated -= WindowDeactivated;
}
_inputManagerSubscription?.Dispose();
Menu = null;
_root = null;
}
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 static RadioButtonGroupManager GetOrCreateForRoot(IRenderRoot?root)
{
if (root == null)
{
return(Default);
}
return(s_registeredVisualRoots.GetValue(root, key => new RadioButtonGroupManager()));
}
public virtual void Detach(IMenu menu)
{
if (Menu != menu)
{
throw new NotSupportedException("DefaultMenuInteractionHandler is not attached to the menu.");
}
Menu.GotFocus -= GotFocus;
Menu.LostFocus -= LostFocus;
Menu.KeyDown -= KeyDown;
Menu.PointerPressed -= PointerPressed;
Menu.PointerReleased -= PointerReleased;
Menu.RemoveHandler(AccessKeyHandler.AccessKeyPressedEvent, AccessKeyPressed);
Menu.RemoveHandler(MenuBase.MenuOpenedEvent, MenuOpened);
Menu.RemoveHandler(MenuItem.PointerEnteredItemEvent, PointerEntered);
Menu.RemoveHandler(MenuItem.PointerExitedItemEvent, PointerExited);
Menu.RemoveHandler(InputElement.PointerMovedEvent, PointerMoved);
if (_root is InputElement inputRoot)
{
inputRoot.RemoveHandler(InputElement.PointerPressedEvent, RootPointerPressed);
}
if (_root is WindowBase root)
{
root.Deactivated -= WindowDeactivated;
}
if (_root is TopLevel tl && tl.PlatformImpl != null)
{
tl.PlatformImpl.LostFocus -= TopLevelLostPlatformFocus;
}
_inputManagerSubscription?.Dispose();
Menu = null;
_root = null;
}
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);
}
private ImmediateRenderer(IVisual root, bool updateTransformedBounds)
{
_root = root ?? throw new ArgumentNullException(nameof(root));
_renderRoot = root as IRenderRoot;
_updateTransformedBounds = updateTransformedBounds;
}
/// <summary>
/// Initializes a new instance of the <see cref="ImmediateRenderer"/> class.
/// </summary>
/// <param name="root">The control to render.</param>
public ImmediateRenderer(IVisual root)
{
_root = root ?? throw new ArgumentNullException(nameof(root));
_renderRoot = root as IRenderRoot;
}