using System; using System.Runtime.InteropServices; using System.Runtime.Versioning; namespace Ryujinx.Ava.UI.Helpers { [SupportedOSPlatform("windows")] internal partial class Win32NativeInterop { [Flags] public enum ClassStyles : uint { CS_CLASSDC = 0x40, CS_OWNDC = 0x20, } [Flags] public enum WindowStyles : uint { WS_CHILD = 0x40000000 } public enum Cursors : uint { IDC_ARROW = 32512 } public enum WindowsMessages : uint { MOUSEMOVE = 0x0200, LBUTTONDOWN = 0x0201, LBUTTONUP = 0x0202, LBUTTONDBLCLK = 0x0203, RBUTTONDOWN = 0x0204, RBUTTONUP = 0x0205, RBUTTONDBLCLK = 0x0206, MBUTTONDOWN = 0x0207, MBUTTONUP = 0x0208, MBUTTONDBLCLK = 0x0209, MOUSEWHEEL = 0x020A, XBUTTONDOWN = 0x020B, XBUTTONUP = 0x020C, XBUTTONDBLCLK = 0x020D, MOUSEHWHEEL = 0x020E, MOUSELAST = 0x020E } [UnmanagedFunctionPointer(CallingConvention.Winapi)] internal delegate IntPtr WindowProc(IntPtr hWnd, WindowsMessages msg, IntPtr wParam, IntPtr lParam); [StructLayout(LayoutKind.Sequential)] public struct WNDCLASSEX { public int cbSize; public ClassStyles style; public IntPtr lpfnWndProc; // not WndProc public int cbClsExtra; public int cbWndExtra; public IntPtr hInstance; public IntPtr hIcon; public IntPtr hCursor; public IntPtr hbrBackground; public IntPtr lpszMenuName; public IntPtr lpszClassName; public IntPtr hIconSm; public WNDCLASSEX() { cbSize = Marshal.SizeOf<WNDCLASSEX>(); } } [LibraryImport("user32.dll", SetLastError = true, EntryPoint = "RegisterClassExW")] public static partial ushort RegisterClassEx(ref WNDCLASSEX param); [LibraryImport("user32.dll", SetLastError = true, EntryPoint = "UnregisterClassW")] public static partial short UnregisterClass([MarshalAs(UnmanagedType.LPWStr)] string lpClassName, IntPtr instance); [LibraryImport("user32.dll", EntryPoint = "DefWindowProcW")] public static partial IntPtr DefWindowProc(IntPtr hWnd, WindowsMessages msg, IntPtr wParam, IntPtr lParam); [LibraryImport("kernel32.dll", EntryPoint = "GetModuleHandleA")] public static partial IntPtr GetModuleHandle([MarshalAs(UnmanagedType.LPStr)] string lpModuleName); [LibraryImport("user32.dll", SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] public static partial bool DestroyWindow(IntPtr hwnd); [LibraryImport("user32.dll", SetLastError = true, EntryPoint = "LoadCursorA")] public static partial IntPtr LoadCursor(IntPtr hInstance, IntPtr lpCursorName); [LibraryImport("user32.dll", SetLastError = true, EntryPoint = "CreateWindowExW")] public static partial IntPtr CreateWindowEx( uint dwExStyle, [MarshalAs(UnmanagedType.LPWStr)] string lpClassName, [MarshalAs(UnmanagedType.LPWStr)] string lpWindowName, WindowStyles dwStyle, int x, int y, int nWidth, int nHeight, IntPtr hWndParent, IntPtr hMenu, IntPtr hInstance, IntPtr lpParam); } }