Mesen-SX/UI/Interop/InputApi.cs
2019-03-15 13:46:46 -04:00

44 lines
1.6 KiB
C#

using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
namespace Mesen.GUI
{
public class InputApi
{
private const string DllPath = "MesenSCore.dll";
[DllImport(DllPath)] public static extern void SetKeyState(Int32 scanCode, [MarshalAs(UnmanagedType.I1)]bool pressed);
[DllImport(DllPath)] public static extern void ResetKeyState();
[DllImport(DllPath)] public static extern void SetMouseMovement(Int16 x, Int16 y);
[DllImport(DllPath)] public static extern void SetMousePosition(double x, double y);
[DllImport(DllPath)] public static extern void DisableAllKeys([MarshalAs(UnmanagedType.I1)]bool disabled);
[DllImport(DllPath)] public static extern void UpdateInputDevices();
[DllImport(DllPath)] public static extern UInt32 GetKeyCode([MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(Utf8Marshaler))]string keyName);
[DllImport(DllPath, EntryPoint = "GetKeyName")] private static extern IntPtr GetKeyNameWrapper(UInt32 key);
public static string GetKeyName(UInt32 key) { return Utf8Marshaler.PtrToStringUtf8(InputApi.GetKeyNameWrapper(key)); }
[DllImport(DllPath, EntryPoint = "GetPressedKeys")] private static extern void GetPressedKeysWrapper(IntPtr keyBuffer);
public static List<UInt32> GetPressedKeys()
{
UInt32[] keyBuffer = new UInt32[3];
GCHandle handle = GCHandle.Alloc(keyBuffer, GCHandleType.Pinned);
try {
InputApi.GetPressedKeysWrapper(handle.AddrOfPinnedObject());
} finally {
handle.Free();
}
List<UInt32> keys = new List<UInt32>();
for(int i = 0; i < 3; i++) {
if(keyBuffer[i] != 0) {
keys.Add(keyBuffer[i]);
}
}
return keys;
}
}
}