public MainViewModel(TopLevel root)
{
_root = root;
_logicalTree = new TreePageViewModel(this, LogicalTreeNode.Create(root));
_visualTree = new TreePageViewModel(this, VisualTreeNode.Create(root));
_events = new EventsPageViewModel(root);
UpdateFocusedControl();
KeyboardDevice.Instance.PropertyChanged += KeyboardPropertyChanged;
SelectedTab = 0;
_pointerOverSubscription = root.GetObservable(TopLevel.PointerOverElementProperty)
.Subscribe(x => PointerOverElement = x?.GetType().Name);
Console = new ConsoleViewModel(UpdateConsoleContext);
}
public void Attach(TopLevel topLevel)
{
var resources = new List <IDisposable>();
var initialClientSize = topLevel.PlatformImpl.ClientSize;
var queueManager = ((IRenderRoot)topLevel).RenderQueueManager;
if (queueManager == null)
{
return;
}
var platformRender = PerspexLocator.Current.GetService <IPlatformRenderInterface>();
if (platformRender == null)
{
return;
}
var viewport = platformRender
.CreateRenderer(topLevel.PlatformImpl.Handle, initialClientSize.Width, initialClientSize.Height);
resources.Add(viewport);
resources.Add(topLevel.GetObservable(TopLevel.ClientSizeProperty).Subscribe(clientSize =>
{
viewport.Resize((int)clientSize.Width, (int)clientSize.Height);
}));
resources.Add(queueManager.RenderNeeded.Subscribe(_
=>
Dispatcher.UIThread.InvokeAsync(() => topLevel.PlatformImpl.Invalidate(new Rect(topLevel.ClientSize)))));
topLevel.PlatformImpl.Paint = rect =>
{
viewport.Render(topLevel);
queueManager.RenderFinished();
};
topLevel.Closed += delegate
{
foreach (var disposable in resources)
{
disposable.Dispose();
}
resources.Clear();
};
}
public void Attach(TopLevel topLevel)
{
var resources = new List<IDisposable>();
var initialClientSize = topLevel.PlatformImpl.ClientSize;
var queueManager = ((IRenderRoot)topLevel).RenderQueueManager;
if (queueManager == null)
return;
var platformRender = PerspexLocator.Current.GetService<IPlatformRenderInterface>();
if(platformRender == null)
return;
var viewport = platformRender
.CreateRenderer(topLevel.PlatformImpl.Handle, initialClientSize.Width, initialClientSize.Height);
resources.Add(viewport);
resources.Add(topLevel.GetObservable(TopLevel.ClientSizeProperty).Subscribe(clientSize =>
{
viewport.Resize((int) clientSize.Width, (int) clientSize.Height);
}));
resources.Add(queueManager.RenderNeeded.Subscribe(_
=>
Dispatcher.UIThread.InvokeAsync(() => topLevel.PlatformImpl.Invalidate(new Rect(topLevel.ClientSize)))));
topLevel.PlatformImpl.Paint = rect =>
{
viewport.Render(topLevel);
queueManager.RenderFinished();
};
topLevel.Closed += delegate
{
foreach (var disposable in resources)
disposable.Dispose();
resources.Clear();
};
}