Question

有没有人可以帮助我从Objective-C到MonoMac的这个端口工作？

CGEventSourceRef eventSource = CGEventSourceCreate(kCGEventSourceStateHIDSystemState);

CGEventRef keyEventDown = CGEventCreateKeyboardEvent(eventSource, 0, true); 

NSString * characters = @"ABCD";

UniChar buffer;

for (int i = 0; i < [characters length]; i++)
{
    [characters getCharacters:&buffer range:NSMakeRange(i, 1)];

    keyEventDown = CGEventCreateKeyboardEvent(eventSource, 1, true);

    CGEventKeyboardSetUnicodeString(keyEventDown, 1, &buffer);

    CGEventPost(kCGHIDEventTap, keyEventDown);

    CFRelease(keyEventDown);
}

CFRelease(eventSource);

我有DLL使用以下代码导入它但我不知道如何处理Objective-C的UniChar。我不知道我应该在C＃中使用哪种类型的Objective-C更改。它是Obj-C需要更改的指针，我可以再次使用C＃代码访问它。

using System;

using System.Runtime.InteropServices;

using MonoMac;

namespace SomeNameSpace
{

public unsafe static class Native
{
    [DllImport(Constants.CoreGraphicsLibrary)]
    public static extern IntPtr CGEventCreateKeyboardEvent(IntPtr source, ushort virtualKey, bool keyDown);

    [DllImport(Constants.CoreGraphicsLibrary)]
    public static extern void CGEventKeyboardSetUnicodeString(IntPtr @event, ulong stringLength, char* unicodeString);

    [DllImport(Constants.CoreGraphicsLibrary)]
    public static extern IntPtr CGEventSourceCreate(CGEventSourceStateID stateID);

    [DllImport(Constants.CoreGraphicsLibrary)]
    public static extern void CGEventPost(CGEventTapLocation tap, IntPtr @event);

    [DllImport(Constants.CoreFoundationLibrary)]
    public static extern void CFRelease (IntPtr cf);
}

public enum CGEventTapLocation:uint
{
    kCGHIDEventTap = 0,

    kCGSessionEventTap,

    kCGAnnotatedSessionEventTap
}

public enum CGEventSourceStateID:int
{
    kCGEventSourceStatePrivate = -1,

    kCGEventSourceStateCombinedSessionState = 0,

    kCGEventSourceStateHIDSystemState = 1
}
}

public unsafe void SomeMethod()
{
    IntPtr eventSource = Native.CGEventSourceCreate(CGEventSourceStateID.kCGEventSourceStateHIDSystemState);


IntPtr keyEventDown = Native.CGEventCreateKeyboardEvent(cgEventSource,0,true);

string characters = @"ABCD";

char buffer;

for (int i = 0; i < characters.Length; i++)
{
    buffer = characters[i];

    keyEventDown = Native.CGEventCreateKeyboardEvent(eventSource, 1, true);

    Native.CGEventKeyboardSetUnicodeString(keyEventDown, 1, &buffer);

    Native.CGEventPost(CGEventTapLocation.kCGHIDEventTap, keyEventDown);

    Native.CFRelease(keyEventDown);
}

Native.CFRelease(eventSource);
}

Answer 1

unichar是一个无符号16位类型，用于保存单个UTF-16代码单元。 UTF-16字符由1或2个unichars（通常为1）组成。在C＃中，它与char

完全相同

Answer 2

我找到了解决方案！

这对我来说只有这个小小的改变：

public static extern void CGEventKeyboardSetUnicodeString(IntPtr @event, uint stringLength, char* unicodeString);

而不是

public static extern void CGEventKeyboardSetUnicodeString(IntPtr @event, ulong stringLength, char* unicodeString);

度过美好的一天;）

Answer 3

在C中，UniChar相当于unsigned short。

试图使这个端口从Objective-C到MonoMac工作

3 个答案: