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using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Platform;
using Ryujinx.Common.Configuration;
using Ryujinx.UI.Common.Configuration;
using Ryujinx.UI.Common.Helper;
using SPB.Graphics;
using SPB.Platform;
using SPB.Platform.GLX;
using SPB.Platform.X11;
using SPB.Windowing;
using System;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Threading.Tasks;
using static Ryujinx.Ava.UI.Helpers.Win32NativeInterop;
namespace Ryujinx.Ava.UI.Renderer
{
public class EmbeddedWindow : NativeControlHost
{
private WindowProc _wndProcDelegate;
private string _className;
protected GLXWindow X11Window { get; set; }
protected IntPtr WindowHandle { get; set; }
protected IntPtr X11Display { get; set; }
protected IntPtr NsView { get; set; }
protected IntPtr MetalLayer { get; set; }
public delegate void UpdateBoundsCallbackDelegate(Rect rect);
private UpdateBoundsCallbackDelegate _updateBoundsCallback;
public event EventHandler<IntPtr> WindowCreated;
public event EventHandler<Size> BoundsChanged;
public EmbeddedWindow()
{
this.GetObservable(BoundsProperty).Subscribe(StateChanged);
Initialized += OnNativeEmbeddedWindowCreated;
}
public virtual void OnWindowCreated() { }
protected virtual void OnWindowDestroyed() { }
protected virtual void OnWindowDestroying()
{
WindowHandle = IntPtr.Zero;
X11Display = IntPtr.Zero;
NsView = IntPtr.Zero;
MetalLayer = IntPtr.Zero;
}
private void OnNativeEmbeddedWindowCreated(object sender, EventArgs e)
{
OnWindowCreated();
Task.Run(() =>
{
WindowCreated?.Invoke(this, WindowHandle);
});
}
private void StateChanged(Rect rect)
{
BoundsChanged?.Invoke(this, rect.Size);
_updateBoundsCallback?.Invoke(rect);
}
protected override IPlatformHandle CreateNativeControlCore(IPlatformHandle control)
{
if (OperatingSystem.IsLinux())
{
return CreateLinux(control);
}
if (OperatingSystem.IsWindows())
{
return CreateWin32(control);
}
if (OperatingSystem.IsMacOS())
{
return CreateMacOS();
}
return base.CreateNativeControlCore(control);
}
protected override void DestroyNativeControlCore(IPlatformHandle control)
{
OnWindowDestroying();
if (OperatingSystem.IsLinux())
{
DestroyLinux();
}
else if (OperatingSystem.IsWindows())
{
DestroyWin32(control);
}
else if (OperatingSystem.IsMacOS())
{
DestroyMacOS();
}
else
{
base.DestroyNativeControlCore(control);
}
OnWindowDestroyed();
}
[SupportedOSPlatform("linux")]
private IPlatformHandle CreateLinux(IPlatformHandle control)
{
if (ConfigurationState.Instance.Graphics.GraphicsBackend.Value == GraphicsBackend.Vulkan)
{
X11Window = new GLXWindow(new NativeHandle(X11.DefaultDisplay), new NativeHandle(control.Handle));
X11Window.Hide();
}
else
{
X11Window = PlatformHelper.CreateOpenGLWindow(new FramebufferFormat(new ColorFormat(8, 8, 8, 0), 16, 0, ColorFormat.Zero, 0, 2, false), 0, 0, 100, 100) as GLXWindow;
}
WindowHandle = X11Window.WindowHandle.RawHandle;
X11Display = X11Window.DisplayHandle.RawHandle;
return new PlatformHandle(WindowHandle, "X11");
}
[SupportedOSPlatform("windows")]
IPlatformHandle CreateWin32(IPlatformHandle control)
{
_className = "NativeWindow-" + Guid.NewGuid();
_wndProcDelegate = delegate (IntPtr hWnd, WindowsMessages msg, IntPtr wParam, IntPtr lParam)
{
switch (msg)
{
case WindowsMessages.NcHitTest:
return -1;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
};
WndClassEx wndClassEx = new()
{
cbSize = Marshal.SizeOf<WndClassEx>(),
hInstance = GetModuleHandle(null),
lpfnWndProc = Marshal.GetFunctionPointerForDelegate(_wndProcDelegate),
style = ClassStyles.CsOwndc,
lpszClassName = Marshal.StringToHGlobalUni(_className),
hCursor = CreateArrowCursor()
};
RegisterClassEx(ref wndClassEx);
WindowHandle = CreateWindowEx(0, _className, "NativeWindow", WindowStyles.WsChild, 0, 0, 640, 480, control.Handle, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
SetWindowLongPtrW(control.Handle, GWLP_WNDPROC, wndClassEx.lpfnWndProc);
Marshal.FreeHGlobal(wndClassEx.lpszClassName);
return new PlatformHandle(WindowHandle, "HWND");
}
[SupportedOSPlatform("macos")]
IPlatformHandle CreateMacOS()
{
// Create a new CAMetalLayer.
ObjectiveC.Object layerObject = new("CAMetalLayer");
ObjectiveC.Object metalLayer = layerObject.GetFromMessage("alloc");
metalLayer.SendMessage("init");
// Create a child NSView to render into.
ObjectiveC.Object nsViewObject = new("NSView");
ObjectiveC.Object child = nsViewObject.GetFromMessage("alloc");
child.SendMessage("init", new ObjectiveC.NSRect(0, 0, 0, 0));
// Make its renderer our metal layer.
child.SendMessage("setWantsLayer:", 1);
child.SendMessage("setLayer:", metalLayer);
metalLayer.SendMessage("setContentsScale:", Program.DesktopScaleFactor);
// Ensure the scale factor is up to date.
_updateBoundsCallback = rect =>
{
metalLayer.SendMessage("setContentsScale:", Program.DesktopScaleFactor);
};
IntPtr nsView = child.ObjPtr;
MetalLayer = metalLayer.ObjPtr;
NsView = nsView;
return new PlatformHandle(nsView, "NSView");
}
[SupportedOSPlatform("Linux")]
void DestroyLinux()
{
X11Window?.Dispose();
}
[SupportedOSPlatform("windows")]
void DestroyWin32(IPlatformHandle handle)
{
DestroyWindow(handle.Handle);
UnregisterClass(_className, GetModuleHandle(null));
}
[SupportedOSPlatform("macos")]
#pragma warning disable CA1822 // Mark member as static
void DestroyMacOS()
{
// TODO
}
#pragma warning restore CA1822
}
}
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