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using System;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
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 partial IntPtr sel_getUid(string name);
[LibraryImport(ObjCRuntime, StringMarshalling = StringMarshalling.Utf8)]
private static partial IntPtr objc_getClass(string name);
[LibraryImport(ObjCRuntime)]
private static partial void objc_msgSend(IntPtr receiver, Selector selector);
[LibraryImport(ObjCRuntime)]
private static partial void objc_msgSend(IntPtr receiver, Selector selector, byte value);
[LibraryImport(ObjCRuntime)]
private static partial void objc_msgSend(IntPtr receiver, Selector selector, IntPtr value);
[LibraryImport(ObjCRuntime)]
private static partial void objc_msgSend(IntPtr receiver, Selector selector, NSRect point);
[LibraryImport(ObjCRuntime)]
private static partial void objc_msgSend(IntPtr receiver, Selector selector, double value);
[LibraryImport(ObjCRuntime, EntryPoint = "objc_msgSend")]
private static partial IntPtr IntPtr_objc_msgSend(IntPtr receiver, Selector selector);
[LibraryImport(ObjCRuntime, EntryPoint = "objc_msgSend")]
private static partial IntPtr IntPtr_objc_msgSend(IntPtr receiver, Selector selector, IntPtr param);
[LibraryImport(ObjCRuntime, EntryPoint = "objc_msgSend", StringMarshalling = StringMarshalling.Utf8)]
private static partial IntPtr IntPtr_objc_msgSend(IntPtr receiver, Selector selector, string param);
[LibraryImport(ObjCRuntime, EntryPoint = "objc_msgSend")]
[return: MarshalAs(UnmanagedType.Bool)]
private static partial bool bool_objc_msgSend(IntPtr receiver, Selector selector, IntPtr param);
public readonly struct Object
{
public readonly IntPtr ObjPtr;
private Object(IntPtr pointer)
{
ObjPtr = pointer;
}
public Object(string name)
{
ObjPtr = objc_getClass(name);
}
public void SendMessage(Selector selector)
{
objc_msgSend(ObjPtr, selector);
}
public void SendMessage(Selector selector, byte value)
{
objc_msgSend(ObjPtr, selector, value);
}
public void SendMessage(Selector selector, Object obj)
{
objc_msgSend(ObjPtr, selector, obj.ObjPtr);
}
public void SendMessage(Selector selector, NSRect point)
{
objc_msgSend(ObjPtr, selector, point);
}
public void SendMessage(Selector selector, double value)
{
objc_msgSend(ObjPtr, selector, value);
}
public Object GetFromMessage(Selector selector)
{
return new Object(IntPtr_objc_msgSend(ObjPtr, selector));
}
public Object GetFromMessage(Selector selector, Object obj)
{
return new Object(IntPtr_objc_msgSend(ObjPtr, selector, obj.ObjPtr));
}
public Object GetFromMessage(Selector selector, NSString nsString)
{
return new Object(IntPtr_objc_msgSend(ObjPtr, selector, nsString.StrPtr));
}
public Object GetFromMessage(Selector selector, string param)
{
return new Object(IntPtr_objc_msgSend(ObjPtr, selector, param));
}
public bool GetBoolFromMessage(Selector selector, Object obj)
{
return bool_objc_msgSend(ObjPtr, selector, obj.ObjPtr);
}
}
public readonly struct Selector
{
public readonly IntPtr SelPtr;
private Selector(string name)
{
SelPtr = sel_getUid(name);
}
public static implicit operator Selector(string value) => new(value);
}
public readonly 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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