/// <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);
}
}
/// <inheritdoc/>
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
_accessKeys = (e.Root as IInputRoot)?.AccessKeyHandler;
if (_accessKeys != null && AccessKey != 0)
{
_accessKeys.Register(AccessKey, this);
}
}
/// <inheritdoc/>
protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnDetachedFromVisualTree(e);
if (_accessKeys != null && AccessKey != 0)
{
_accessKeys.Unregister(this);
_accessKeys = null;
}
}
/// <summary>
/// Called when the control is detached from a visual tree.
/// </summary>
/// <param name="root">The root of the visual tree.</param>
protected override void OnDetachedFromVisualTree(IRenderRoot root)
{
base.OnDetachedFromVisualTree(root);
if (_accessKeys != null && AccessKey != 0)
{
_accessKeys.Unregister(this);
_accessKeys = null;
}
}
/// <summary>
/// Called when the control is attached to a visual tree.
/// </summary>
/// <param name="root">The root of the visual tree.</param>
protected override void OnAttachedToVisualTree(IRenderRoot root)
{
base.OnAttachedToVisualTree(root);
_accessKeys = (root as IInputRoot)?.AccessKeyHandler;
if (_accessKeys != null && AccessKey != 0)
{
_accessKeys.Register(AccessKey, 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;
}
}
/// <inheritdoc/>
protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnDetachedFromVisualTree(e);
if (_accessKeys != null && AccessKey != 0)
{
_accessKeys.Unregister(this);
_accessKeys = null;
}
}
/// <inheritdoc/>
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
_accessKeys = (e.Root as IInputRoot)?.AccessKeyHandler;
if (_accessKeys != null && AccessKey != 0)
{
_accessKeys.Register(AccessKey, 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, IDependencyResolver dependencyResolver)
{
dependencyResolver = dependencyResolver ?? Locator.Current;
IPlatformRenderInterface renderInterface = dependencyResolver.GetService<IPlatformRenderInterface>();
this.PlatformImpl = impl;
this.accessKeyHandler = dependencyResolver.GetService<IAccessKeyHandler>();
this.inputManager = dependencyResolver.GetService<IInputManager>();
this.keyboardNavigationHandler = dependencyResolver.GetService<IKeyboardNavigationHandler>();
this.LayoutManager = dependencyResolver.GetService<ILayoutManager>();
this.renderManager = dependencyResolver.GetService<IRenderManager>();
if (renderInterface == null)
{
throw new InvalidOperationException(
"Could not create an interface to the rendering subsystem: maybe no rendering subsystem was initialized?");
}
if (this.PlatformImpl == null)
{
throw new InvalidOperationException(
"Could not create window implementation: maybe no windowing subsystem was initialized?");
}
if (this.inputManager == null)
{
throw new InvalidOperationException(
"Could not create input manager: maybe Application.RegisterServices() wasn't called?");
}
if (this.LayoutManager == null)
{
throw new InvalidOperationException(
"Could not create layout manager: maybe Application.RegisterServices() wasn't called?");
}
if (this.renderManager == null)
{
throw new InvalidOperationException(
"Could not create render manager: maybe Application.RegisterServices() wasn't called?");
}
if (this.accessKeyHandler != null)
{
this.accessKeyHandler.SetOwner(this);
}
if (this.keyboardNavigationHandler != null)
{
this.keyboardNavigationHandler.SetOwner(this);
}
this.PlatformImpl.SetOwner(this);
this.PlatformImpl.Activated = this.HandleActivated;
this.PlatformImpl.Deactivated = this.HandleDeactivated;
this.PlatformImpl.Closed = this.HandleClosed;
this.PlatformImpl.Input = this.HandleInput;
this.PlatformImpl.Paint = this.HandlePaint;
this.PlatformImpl.Resized = this.HandleResized;
Size clientSize = this.ClientSize = this.PlatformImpl.ClientSize;
this.dispatcher = Dispatcher.UIThread;
this.renderer = renderInterface.CreateRenderer(this.PlatformImpl.Handle, clientSize.Width, clientSize.Height);
this.LayoutManager.Root = this;
this.LayoutManager.LayoutNeeded.Subscribe(_ => this.HandleLayoutNeeded());
this.LayoutManager.LayoutCompleted.Subscribe(_ => this.HandleLayoutCompleted());
this.renderManager.RenderNeeded.Subscribe(_ => this.HandleRenderNeeded());
IStyler styler = dependencyResolver.GetService<IStyler>();
styler.ApplyStyles(this);
this.GetObservable(ClientSizeProperty).Skip(1).Subscribe(x => this.PlatformImpl.ClientSize = x);
}
/// <summary>
/// Called when the control is detached from a visual tree.
/// </summary>
/// <param name="root">The root of the visual tree.</param>
protected override void OnDetachedFromVisualTree(IRenderRoot root)
{
base.OnDetachedFromVisualTree(root);
if (_accessKeys != null && AccessKey != 0)
{
_accessKeys.Unregister(this);
_accessKeys = null;
}
}
/// <summary>
/// Called when the control is attached to a visual tree.
/// </summary>
/// <param name="root">The root of the visual tree.</param>
protected override void OnAttachedToVisualTree(IRenderRoot root)
{
base.OnAttachedToVisualTree(root);
_accessKeys = (root as IInputRoot)?.AccessKeyHandler;
if (_accessKeys != null && AccessKey != 0)
{
_accessKeys.Register(AccessKey, this);
}
}
