/// <summary>
/// Creates a WpfHost element to host a Uno-Skia into a WPF application.
/// </summary>
/// <remarks>
/// If args are omitted, those from Environment.GetCommandLineArgs() will be used.
/// </remarks>
public WpfHost(global::System.Windows.Threading.Dispatcher dispatcher, Func <WinUI.Application> appBuilder, string[] args = null)
{
_current = this;
args ??= Environment
.GetCommandLineArgs()
.Skip(1)
.ToArray();
designMode = DesignerProperties.GetIsInDesignMode(this);
void CreateApp(WinUI.ApplicationInitializationCallbackParams _)
{
var app = appBuilder();
app.Host = this;
}
Windows.UI.Core.CoreDispatcher.DispatchOverride
= d => dispatcher.BeginInvoke(d);
WinUI.Application.Start(CreateApp, args);
WinUI.Window.InvalidateRender += () => InvalidateVisual();
SizeChanged += WpfHost_SizeChanged;
Loaded += WpfHost_Loaded;
}
public WpfUIElementPointersSupport(object owner)
{
_ownerEvents = (ICoreWindowEvents)owner;
_host = WpfHost.Current;
_host.MouseEnter += HostOnMouseEnter;
_host.MouseLeave += HostOnMouseLeave;
_host.MouseMove += HostOnMouseMove;
_host.MouseDown += HostOnMouseDown;
_host.MouseUp += HostOnMouseUp;
// Hook for native events
_host.Loaded += HookNative;
void HookNative(object sender, RoutedEventArgs e)
{
_host.Loaded -= HookNative;
var win = Window.GetWindow(_host);
var fromDependencyObject = PresentationSource.FromDependencyObject(win);
_hwndSource = fromDependencyObject as HwndSource;
_hwndSource?.AddHook(OnWmMessage);
}
}
public WpfHost(global::System.Windows.Threading.Dispatcher dispatcher, Func <WinUI.Application> appBuilder, string[] args = null)
{
_current = this;
args ??= Environment
.GetCommandLineArgs()
.Skip(1)
.ToArray();
designMode = DesignerProperties.GetIsInDesignMode(this);
void CreateApp(WinUI.ApplicationInitializationCallbackParams _)
{
var app = appBuilder();
app.Host = this;
}
bool EnqueueNative(DispatcherQueuePriority priority, DispatcherQueueHandler callback)
{
if (priority == DispatcherQueuePriority.Normal)
{
dispatcher.BeginInvoke(callback);
}
else
{
var p = priority switch
{
DispatcherQueuePriority.Low => DispatcherPriority.Background,
DispatcherQueuePriority.High => DispatcherPriority.Send, // This one is higher than normal
_ => DispatcherPriority.Normal
};
dispatcher.BeginInvoke(p, callback);
}
return(true);
}
Windows.System.DispatcherQueue.EnqueueNativeOverride = EnqueueNative;
Windows.UI.Core.CoreDispatcher.DispatchOverride = d => dispatcher.BeginInvoke(d);
Windows.UI.Core.CoreDispatcher.HasThreadAccessOverride = dispatcher.CheckAccess;
WinUI.Application.Start(CreateApp, args);
WinUI.Window.InvalidateRender += () =>
{
InvalidateFocusVisual();
InvalidateVisual();
};
WpfApplication.Current.Activated += Current_Activated;
WpfApplication.Current.Deactivated += Current_Deactivated;
WpfApplication.Current.MainWindow.StateChanged += MainWindow_StateChanged;
SizeChanged += WpfHost_SizeChanged;
Loaded += WpfHost_Loaded;
}
public WpfHost(global::System.Windows.Threading.Dispatcher dispatcher, Func <WinUI.Application> appBuilder, string[] args = null)
{
_current = this;
args ??= Environment
.GetCommandLineArgs()
.Skip(1)
.ToArray();
designMode = DesignerProperties.GetIsInDesignMode(this);
void CreateApp(WinUI.ApplicationInitializationCallbackParams _)
{
var app = appBuilder();
app.Host = this;
}
Windows.UI.Core.CoreDispatcher.DispatchOverride = d => dispatcher.BeginInvoke(d);
Windows.UI.Core.CoreDispatcher.HasThreadAccessOverride = dispatcher.CheckAccess;
WinUI.Application.Start(CreateApp, args);
WinUI.Window.InvalidateRender += () =>
{
InvalidateOverlays();
InvalidateVisual();
};
WpfApplication.Current.Activated += Current_Activated;
WpfApplication.Current.Deactivated += Current_Deactivated;
WpfApplication.Current.MainWindow.StateChanged += MainWindow_StateChanged;
WpfApplication.Current.MainWindow.Closing += MainWindow_Closing;
Windows.Foundation.Size preferredWindowSize = ApplicationView.PreferredLaunchViewSize;
if (preferredWindowSize != Windows.Foundation.Size.Empty)
{
WpfApplication.Current.MainWindow.Width = (int)preferredWindowSize.Width;
WpfApplication.Current.MainWindow.Height = (int)preferredWindowSize.Height;
}
SizeChanged += WpfHost_SizeChanged;
Loaded += WpfHost_Loaded;
}