ObjectiveC Helper Class (#4286)

* `NativeMacOS` Helper Class

* Corrections

* Make CFString IDisposable

* Fix `openURL:`

* `dealloc` metal layer

* Remove releases

* Use NSString

* Update Ryujinx.Ui.Common/Helper/NativeMacOS.cs

Co-authored-by: merry <git@mary.rs>

* Programatically select updates in Finder

* Address feedback

* Feedback

* Ptr

* Fix whoopsie

* Ack suggestions

* Update Ryujinx.Ava/UI/Renderer/EmbeddedWindow.cs

Co-authored-by: gdkchan <gab.dark.100@gmail.com>

* GDK Suggestions

---------

Co-authored-by: merry <git@mary.rs>
Co-authored-by: gdkchan <gab.dark.100@gmail.com>
This commit is contained in:
Isaac Marovitz 2023-02-08 22:08:15 -05:00 committed by GitHub
parent f1943fd0b6
commit 7bae440d3a
No known key found for this signature in database
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4 changed files with 141 additions and 132 deletions

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@ -1,127 +0,0 @@
using System;
using System.Runtime.Versioning;
using System.Runtime.InteropServices;
using Avalonia;
namespace Ryujinx.Ava.UI.Helpers
{
public delegate void UpdateBoundsCallbackDelegate(Rect rect);
[SupportedOSPlatform("macos")]
static partial class MetalHelper
{
private const string LibObjCImport = "/usr/lib/libobjc.A.dylib";
private struct Selector
{
public readonly IntPtr NativePtr;
public unsafe Selector(string value)
{
int size = System.Text.Encoding.UTF8.GetMaxByteCount(value.Length);
byte* data = stackalloc byte[size];
fixed (char* pValue = value)
{
System.Text.Encoding.UTF8.GetBytes(pValue, value.Length, data, size);
}
NativePtr = sel_registerName(data);
}
public static implicit operator Selector(string value) => new Selector(value);
}
private static unsafe IntPtr GetClass(string value)
{
int size = System.Text.Encoding.UTF8.GetMaxByteCount(value.Length);
byte* data = stackalloc byte[size];
fixed (char* pValue = value)
{
System.Text.Encoding.UTF8.GetBytes(pValue, value.Length, data, size);
}
return objc_getClass(data);
}
private struct NSPoint
{
public double X;
public double Y;
public NSPoint(double x, double y)
{
X = x;
Y = y;
}
}
private struct NSRect
{
public NSPoint Pos;
public NSPoint Size;
public NSRect(double x, double y, double width, double height)
{
Pos = new NSPoint(x, y);
Size = new NSPoint(width, height);
}
}
public static IntPtr GetMetalLayer(out IntPtr nsView, out UpdateBoundsCallbackDelegate updateBounds)
{
// Create a new CAMetalLayer.
IntPtr layerClass = GetClass("CAMetalLayer");
IntPtr metalLayer = IntPtr_objc_msgSend(layerClass, "alloc");
objc_msgSend(metalLayer, "init");
// Create a child NSView to render into.
IntPtr nsViewClass = GetClass("NSView");
IntPtr child = IntPtr_objc_msgSend(nsViewClass, "alloc");
objc_msgSend(child, "init", new NSRect(0, 0, 0, 0));
// Make its renderer our metal layer.
objc_msgSend(child, "setWantsLayer:", (byte)1);
objc_msgSend(child, "setLayer:", metalLayer);
objc_msgSend(metalLayer, "setContentsScale:", Program.DesktopScaleFactor);
// Ensure the scale factor is up to date.
updateBounds = (Rect rect) => {
objc_msgSend(metalLayer, "setContentsScale:", Program.DesktopScaleFactor);
};
nsView = child;
return metalLayer;
}
public static void DestroyMetalLayer(IntPtr nsView, IntPtr metalLayer)
{
// TODO
}
[LibraryImport(LibObjCImport)]
private static unsafe partial IntPtr sel_registerName(byte* data);
[LibraryImport(LibObjCImport)]
private static unsafe partial IntPtr objc_getClass(byte* data);
[LibraryImport(LibObjCImport)]
private static partial void objc_msgSend(IntPtr receiver, Selector selector);
[LibraryImport(LibObjCImport)]
private static partial void objc_msgSend(IntPtr receiver, Selector selector, byte value);
[LibraryImport(LibObjCImport)]
private static partial void objc_msgSend(IntPtr receiver, Selector selector, IntPtr value);
[LibraryImport(LibObjCImport)]
private static partial void objc_msgSend(IntPtr receiver, Selector selector, NSRect point);
[LibraryImport(LibObjCImport)]
private static partial void objc_msgSend(IntPtr receiver, Selector selector, double value);
[LibraryImport(LibObjCImport, EntryPoint = "objc_msgSend")]
private static partial IntPtr IntPtr_objc_msgSend(IntPtr receiver, Selector selector);
}
}

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@ -2,9 +2,9 @@ using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Platform;
using Ryujinx.Ava.UI.Helpers;
using Ryujinx.Common.Configuration;
using Ryujinx.Ui.Common.Configuration;
using Ryujinx.Ui.Common.Helper;
using SPB.Graphics;
using SPB.Platform;
using SPB.Platform.GLX;
@ -30,6 +30,7 @@ namespace Ryujinx.Ava.UI.Renderer
protected IntPtr NsView { get; set; }
protected IntPtr MetalLayer { get; set; }
public delegate void UpdateBoundsCallbackDelegate(Rect rect);
private UpdateBoundsCallbackDelegate _updateBoundsCallback;
public event EventHandler<IntPtr> WindowCreated;
@ -237,8 +238,29 @@ namespace Ryujinx.Ava.UI.Renderer
[SupportedOSPlatform("macos")]
IPlatformHandle CreateMacOS()
{
MetalLayer = MetalHelper.GetMetalLayer(out IntPtr nsView, out _updateBoundsCallback);
// Create a new CAMetalLayer.
IntPtr layerClass = ObjectiveC.objc_getClass("CAMetalLayer");
IntPtr metalLayer = ObjectiveC.IntPtr_objc_msgSend(layerClass, "alloc");
ObjectiveC.objc_msgSend(metalLayer, "init");
// Create a child NSView to render into.
IntPtr nsViewClass = ObjectiveC.objc_getClass("NSView");
IntPtr child = ObjectiveC.IntPtr_objc_msgSend(nsViewClass, "alloc");
ObjectiveC.objc_msgSend(child, "init", new ObjectiveC.NSRect(0, 0, 0, 0));
// Make its renderer our metal layer.
ObjectiveC.objc_msgSend(child, "setWantsLayer:", 1);
ObjectiveC.objc_msgSend(child, "setLayer:", metalLayer);
ObjectiveC.objc_msgSend(metalLayer, "setContentsScale:", Program.DesktopScaleFactor);
// Ensure the scale factor is up to date.
_updateBoundsCallback = rect =>
{
ObjectiveC.objc_msgSend(metalLayer, "setContentsScale:", Program.DesktopScaleFactor);
};
IntPtr nsView = child;
MetalLayer = metalLayer;
NsView = nsView;
return new PlatformHandle(nsView, "NSView");
@ -260,7 +282,7 @@ namespace Ryujinx.Ava.UI.Renderer
[SupportedOSPlatform("macos")]
void DestroyMacOS()
{
MetalHelper.DestroyMetalLayer(NsView, MetalLayer);
// TODO
}
}
}

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@ -0,0 +1,97 @@
using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Text;
namespace Ryujinx.Ui.Common.Helper
{
[SupportedOSPlatform("macos")]
public static partial class ObjectiveC
{
private const string ObjCRuntime = "/usr/lib/libobjc.A.dylib";
[LibraryImport(ObjCRuntime, StringMarshalling = StringMarshalling.Utf8)]
private static unsafe partial IntPtr sel_getUid(string name);
[LibraryImport(ObjCRuntime, StringMarshalling = StringMarshalling.Utf8)]
public static partial IntPtr objc_getClass(string name);
[LibraryImport(ObjCRuntime)]
public static partial void objc_msgSend(IntPtr receiver, Selector selector);
[LibraryImport(ObjCRuntime)]
public static partial void objc_msgSend(IntPtr receiver, Selector selector, byte value);
[LibraryImport(ObjCRuntime)]
public static partial void objc_msgSend(IntPtr receiver, Selector selector, IntPtr value);
[LibraryImport(ObjCRuntime)]
public static partial void objc_msgSend(IntPtr receiver, Selector selector, NSRect point);
[LibraryImport(ObjCRuntime)]
public static partial void objc_msgSend(IntPtr receiver, Selector selector, double value);
[LibraryImport(ObjCRuntime, EntryPoint = "objc_msgSend")]
public static partial IntPtr IntPtr_objc_msgSend(IntPtr receiver, Selector selector);
[LibraryImport(ObjCRuntime, EntryPoint = "objc_msgSend")]
public static partial IntPtr IntPtr_objc_msgSend(IntPtr receiver, Selector selector, IntPtr param);
[LibraryImport(ObjCRuntime, EntryPoint = "objc_msgSend", StringMarshalling = StringMarshalling.Utf8)]
public static partial IntPtr IntPtr_objc_msgSend(IntPtr receiver, Selector selector, string param);
[LibraryImport(ObjCRuntime, EntryPoint = "objc_msgSend")]
[return: MarshalAs(UnmanagedType.Bool)]
public static partial bool bool_objc_msgSend(IntPtr receiver, Selector selector, IntPtr param);
public struct Selector
{
public readonly IntPtr SelPtr;
public unsafe Selector(string name)
{
SelPtr = sel_getUid(name);
}
public static implicit operator Selector(string value) => new(value);
}
public struct NSString
{
public readonly IntPtr StrPtr;
public NSString(string aString)
{
IntPtr nsString = objc_getClass("NSString");
StrPtr = IntPtr_objc_msgSend(nsString, "stringWithUTF8String:", aString);
}
public static implicit operator IntPtr(NSString nsString) => nsString.StrPtr;
}
public readonly struct NSPoint
{
public readonly double X;
public readonly double Y;
public NSPoint(double x, double y)
{
X = x;
Y = y;
}
}
public readonly struct NSRect
{
public readonly NSPoint Pos;
public readonly NSPoint Size;
public NSRect(double x, double y, double width, double height)
{
Pos = new NSPoint(x, y);
Size = new NSPoint(width, height);
}
}
}
}

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@ -55,7 +55,17 @@ namespace Ryujinx.Ui.Common.Helper
}
else if (OperatingSystem.IsMacOS())
{
Process.Start("open", $"-R \"{path}\"");
ObjectiveC.NSString nsStringPath = new(path);
IntPtr nsUrl = ObjectiveC.objc_getClass("NSURL");
var urlPtr = ObjectiveC.IntPtr_objc_msgSend(nsUrl, "fileURLWithPath:", nsStringPath);
IntPtr nsArray = ObjectiveC.objc_getClass("NSArray");
IntPtr urlArray = ObjectiveC.IntPtr_objc_msgSend(nsArray, "arrayWithObject:", urlPtr);
IntPtr nsWorkspace = ObjectiveC.objc_getClass("NSWorkspace");
IntPtr sharedWorkspace = ObjectiveC.IntPtr_objc_msgSend(nsWorkspace, "sharedWorkspace");
ObjectiveC.objc_msgSend(sharedWorkspace, "activateFileViewerSelectingURLs:", urlArray);
}
else if (OperatingSystem.IsLinux())
{
@ -84,7 +94,14 @@ namespace Ryujinx.Ui.Common.Helper
}
else if (OperatingSystem.IsMacOS())
{
Process.Start("open", url);
ObjectiveC.NSString nsStringPath = new(url);
IntPtr nsUrl = ObjectiveC.objc_getClass("NSURL");
var urlPtr = ObjectiveC.IntPtr_objc_msgSend(nsUrl, "URLWithString:", nsStringPath);
IntPtr nsWorkspace = ObjectiveC.objc_getClass("NSWorkspace");
IntPtr sharedWorkspace = ObjectiveC.IntPtr_objc_msgSend(nsWorkspace, "sharedWorkspace");
ObjectiveC.bool_objc_msgSend(sharedWorkspace, "openURL:", urlPtr);
}
else
{