/// <summary>
/// Initializes a new instance of the <see cref="TopLevel"/> class.
/// </summary>
/// <param name="impl">The platform-specific window implementation.</param>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public TopLevel(ITopLevelImpl impl, IAvaloniaDependencyResolver dependencyResolver)
{
if (impl == null)
{
throw new InvalidOperationException(
"Could not create window implementation: maybe no windowing subsystem was initialized?");
}
PlatformImpl = impl;
dependencyResolver = dependencyResolver ?? AvaloniaLocator.Current;
var styler = TryGetService <IStyler>(dependencyResolver);
_accessKeyHandler = TryGetService <IAccessKeyHandler>(dependencyResolver);
_inputManager = TryGetService <IInputManager>(dependencyResolver);
_keyboardNavigationHandler = TryGetService <IKeyboardNavigationHandler>(dependencyResolver);
_renderInterface = TryGetService <IPlatformRenderInterface>(dependencyResolver);
_globalStyles = TryGetService <IGlobalStyles>(dependencyResolver);
Renderer = impl.CreateRenderer(this);
if (Renderer != null)
{
Renderer.SceneInvalidated += SceneInvalidated;
}
impl.SetInputRoot(this);
impl.Closed = HandleClosed;
impl.Input = HandleInput;
impl.Paint = HandlePaint;
impl.Resized = HandleResized;
impl.ScalingChanged = HandleScalingChanged;
_keyboardNavigationHandler?.SetOwner(this);
_accessKeyHandler?.SetOwner(this);
if (_globalStyles is object)
{
_globalStyles.GlobalStylesAdded += ((IStyleHost)this).StylesAdded;
_globalStyles.GlobalStylesRemoved += ((IStyleHost)this).StylesRemoved;
}
styler?.ApplyStyles(this);
ClientSize = impl.ClientSize;
this.GetObservable(PointerOverElementProperty)
.Select(
x => (x as InputElement)?.GetObservable(CursorProperty) ?? Observable.Empty <Cursor>())
.Switch().Subscribe(cursor => PlatformImpl?.SetCursor(cursor?.PlatformCursor));
if (((IStyleHost)this).StylingParent is IResourceProvider applicationResources)
{
WeakSubscriptionManager.Subscribe(
applicationResources,
nameof(IResourceProvider.ResourcesChanged),
this);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TopLevel"/> class.
/// </summary>
/// <param name="impl">The platform-specific window implementation.</param>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public TopLevel(ITopLevelImpl impl, IPerspexDependencyResolver dependencyResolver)
{
if (impl == null)
{
throw new InvalidOperationException(
"Could not create window implementation: maybe no windowing subsystem was initialized?");
}
PlatformImpl = impl;
dependencyResolver = dependencyResolver ?? PerspexLocator.Current;
var renderInterface = TryGetService <IPlatformRenderInterface>(dependencyResolver);
var styler = TryGetService <IStyler>(dependencyResolver);
_accessKeyHandler = TryGetService <IAccessKeyHandler>(dependencyResolver);
_inputManager = TryGetService <IInputManager>(dependencyResolver);
_keyboardNavigationHandler = TryGetService <IKeyboardNavigationHandler>(dependencyResolver);
LayoutManager = TryGetService <ILayoutManager>(dependencyResolver);
_renderQueueManager = TryGetService <IRenderQueueManager>(dependencyResolver);
(TryGetService <ITopLevelRenderer>(dependencyResolver) ?? new DefaultTopLevelRenderer()).Attach(this);
PlatformImpl.SetInputRoot(this);
PlatformImpl.Activated = HandleActivated;
PlatformImpl.Deactivated = HandleDeactivated;
PlatformImpl.Closed = HandleClosed;
PlatformImpl.Input = HandleInput;
PlatformImpl.Resized = HandleResized;
Size clientSize = ClientSize = PlatformImpl.ClientSize;
if (LayoutManager != null)
{
LayoutManager.Root = this;
LayoutManager.LayoutNeeded.Subscribe(_ => HandleLayoutNeeded());
LayoutManager.LayoutCompleted.Subscribe(_ => HandleLayoutCompleted());
}
if (_keyboardNavigationHandler != null)
{
_keyboardNavigationHandler.SetOwner(this);
}
if (_accessKeyHandler != null)
{
_accessKeyHandler.SetOwner(this);
}
styler?.ApplyStyles(this);
GetObservable(ClientSizeProperty).Skip(1).Subscribe(x => PlatformImpl.ClientSize = x);
GetObservable(PointerOverElementProperty)
.Select(
x => (x as InputElement)?.GetObservable(CursorProperty) ?? Observable.Empty <Cursor>())
.Switch().Subscribe(cursor => PlatformImpl.SetCursor(cursor?.PlatformCursor));
}
/// <summary>
/// Initializes a new instance of the <see cref="TopLevel"/> class.
/// </summary>
/// <param name="impl">The platform-specific window implementation.</param>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public TopLevel(ITopLevelImpl impl, IAvaloniaDependencyResolver dependencyResolver)
{
if (impl == null)
{
throw new InvalidOperationException(
"Could not create window implementation: maybe no windowing subsystem was initialized?");
}
PlatformImpl = impl;
dependencyResolver = dependencyResolver ?? AvaloniaLocator.Current;
var styler = TryGetService <IStyler>(dependencyResolver);
_accessKeyHandler = TryGetService <IAccessKeyHandler>(dependencyResolver);
_inputManager = TryGetService <IInputManager>(dependencyResolver);
_keyboardNavigationHandler = TryGetService <IKeyboardNavigationHandler>(dependencyResolver);
_applicationLifecycle = TryGetService <IApplicationLifecycle>(dependencyResolver);
_renderInterface = TryGetService <IPlatformRenderInterface>(dependencyResolver);
var renderLoop = TryGetService <IRenderLoop>(dependencyResolver);
var rendererFactory = TryGetService <IRendererFactory>(dependencyResolver);
Renderer = rendererFactory?.CreateRenderer(this, renderLoop);
PlatformImpl.SetInputRoot(this);
PlatformImpl.Activated = HandleActivated;
PlatformImpl.Deactivated = HandleDeactivated;
PlatformImpl.Closed = HandleClosed;
PlatformImpl.Input = HandleInput;
PlatformImpl.Paint = Renderer != null ? (Action <Rect>)Renderer.Render : null;
PlatformImpl.Resized = HandleResized;
PlatformImpl.ScalingChanged = HandleScalingChanged;
PlatformImpl.PositionChanged = HandlePositionChanged;
_keyboardNavigationHandler?.SetOwner(this);
_accessKeyHandler?.SetOwner(this);
styler?.ApplyStyles(this);
ClientSize = PlatformImpl.ClientSize;
this.GetObservable(ClientSizeProperty).Skip(1).Subscribe(x => PlatformImpl.ClientSize = x);
this.GetObservable(PointerOverElementProperty)
.Select(
x => (x as InputElement)?.GetObservable(CursorProperty) ?? Observable.Empty <Cursor>())
.Switch().Subscribe(cursor => PlatformImpl.SetCursor(cursor?.PlatformCursor));
if (_applicationLifecycle != null)
{
_applicationLifecycle.OnExit += OnApplicationExiting;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TopLevel"/> class.
/// </summary>
/// <param name="impl">The platform-specific window implementation.</param>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public TopLevel(ITopLevelImpl impl, IAvaloniaDependencyResolver?dependencyResolver)
{
if (impl == null)
{
throw new InvalidOperationException(
"Could not create window implementation: maybe no windowing subsystem was initialized?");
}
PlatformImpl = impl;
_actualTransparencyLevel = PlatformImpl.TransparencyLevel;
dependencyResolver = dependencyResolver ?? AvaloniaLocator.Current;
var styler = TryGetService <IStyler>(dependencyResolver);
_accessKeyHandler = TryGetService <IAccessKeyHandler>(dependencyResolver);
_inputManager = TryGetService <IInputManager>(dependencyResolver);
_keyboardNavigationHandler = TryGetService <IKeyboardNavigationHandler>(dependencyResolver);
_renderInterface = TryGetService <IPlatformRenderInterface>(dependencyResolver);
_globalStyles = TryGetService <IGlobalStyles>(dependencyResolver);
Renderer = impl.CreateRenderer(this);
if (Renderer != null)
{
Renderer.SceneInvalidated += SceneInvalidated;
}
else
{
// Prevent nullable error.
Renderer = null !;
}
impl.SetInputRoot(this);
impl.Closed = HandleClosed;
impl.Input = HandleInput;
impl.Paint = HandlePaint;
impl.Resized = HandleResized;
impl.ScalingChanged = HandleScalingChanged;
impl.TransparencyLevelChanged = HandleTransparencyLevelChanged;
_keyboardNavigationHandler?.SetOwner(this);
_accessKeyHandler?.SetOwner(this);
if (_globalStyles is object)
{
_globalStyles.GlobalStylesAdded += ((IStyleHost)this).StylesAdded;
_globalStyles.GlobalStylesRemoved += ((IStyleHost)this).StylesRemoved;
}
styler?.ApplyStyles(this);
ClientSize = impl.ClientSize;
FrameSize = impl.FrameSize;
this.GetObservable(PointerOverElementProperty)
.Select(
x => (x as InputElement)?.GetObservable(CursorProperty) ?? Observable.Empty <Cursor>())
.Switch().Subscribe(cursor => PlatformImpl?.SetCursor(cursor?.PlatformImpl));
if (((IStyleHost)this).StylingParent is IResourceHost applicationResources)
{
_resourcesChangesSubscriber = new TargetWeakEventSubscriber <TopLevel, ResourcesChangedEventArgs>(
this, static (target, _, _, e) =>
{
((ILogical)target).NotifyResourcesChanged(e);
});
ResourcesChangedWeakEvent.Subscribe(applicationResources, _resourcesChangesSubscriber);
}
impl.LostFocus += PlatformImpl_LostFocus;
_pointerOverPreProcessor = new PointerOverPreProcessor(this);
_pointerOverPreProcessorSubscription = _inputManager?.PreProcess.Subscribe(_pointerOverPreProcessor);
}
