diff --git a/mingw-w64-headers/include/inputpaneinterop.h b/mingw-w64-headers/include/inputpaneinterop.h
new file mode 100644
index 0000000..066412d
--- /dev/null
+++ b/mingw-w64-headers/include/inputpaneinterop.h
@@ -0,0 +1,172 @@
+/*** Autogenerated by WIDL 8.16 from mingw-w64-headers/include/inputpaneinterop.idl - Do not edit ***/
+
+#ifdef _WIN32
+#ifndef __REQUIRED_RPCNDR_H_VERSION__
+#define __REQUIRED_RPCNDR_H_VERSION__ 475
+#endif
+#include <rpc.h>
+#include <rpcndr.h>
+#endif
+
+#ifndef COM_NO_WINDOWS_H
+#include <windows.h>
+#include <ole2.h>
+#endif
+
+#ifndef __inputpaneinterop_h__
+#define __inputpaneinterop_h__
+
+#ifndef __WIDL_INLINE
+#if defined(__cplusplus) || defined(_MSC_VER)
+#define __WIDL_INLINE inline
+#elif defined(__GNUC__)
+#define __WIDL_INLINE __inline__
+#endif
+#endif
+
+/* Forward declarations */
+
+#ifndef __IInputPaneInterop_FWD_DEFINED__
+#define __IInputPaneInterop_FWD_DEFINED__
+typedef interface IInputPaneInterop IInputPaneInterop;
+#ifdef __cplusplus
+interface IInputPaneInterop;
+#endif /* __cplusplus */
+#endif
+
+/* Headers for imported files */
+
+#include <inspectable.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <winapifamily.h>
+#if (NTDDI_VERSION >= NTDDI_WIN10_RS1)
+#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
+/*****************************************************************************
+ * IInputPaneInterop interface
+ */
+#ifndef __IInputPaneInterop_INTERFACE_DEFINED__
+#define __IInputPaneInterop_INTERFACE_DEFINED__
+
+DEFINE_GUID(IID_IInputPaneInterop, 0x75cf2c57, 0x9195, 0x4931, 0x83,0x32, 0xf0,0xb4,0x09,0xe9,0x16,0xaf);
+#if defined(__cplusplus) && !defined(CINTERFACE)
+MIDL_INTERFACE("75cf2c57-9195-4931-8332-f0b409e916af")
+IInputPaneInterop : public IInspectable
+{
+    virtual HRESULT STDMETHODCALLTYPE GetForWindow(
+        HWND app_window,
+        REFIID riid,
+        void **input_pane) = 0;
+
+};
+#ifdef __CRT_UUID_DECL
+__CRT_UUID_DECL(IInputPaneInterop, 0x75cf2c57, 0x9195, 0x4931, 0x83,0x32, 0xf0,0xb4,0x09,0xe9,0x16,0xaf)
+#endif
+#else
+typedef struct IInputPaneInteropVtbl {
+    BEGIN_INTERFACE
+
+    /*** IUnknown methods ***/
+    HRESULT (STDMETHODCALLTYPE *QueryInterface)(
+        IInputPaneInterop *This,
+        REFIID riid,
+        void **ppvObject);
+
+    ULONG (STDMETHODCALLTYPE *AddRef)(
+        IInputPaneInterop *This);
+
+    ULONG (STDMETHODCALLTYPE *Release)(
+        IInputPaneInterop *This);
+
+    /*** IInspectable methods ***/
+    HRESULT (STDMETHODCALLTYPE *GetIids)(
+        IInputPaneInterop *This,
+        ULONG *iidCount,
+        IID **iids);
+
+    HRESULT (STDMETHODCALLTYPE *GetRuntimeClassName)(
+        IInputPaneInterop *This,
+        HSTRING *className);
+
+    HRESULT (STDMETHODCALLTYPE *GetTrustLevel)(
+        IInputPaneInterop *This,
+        TrustLevel *trustLevel);
+
+    /*** IInputPaneInterop methods ***/
+    HRESULT (STDMETHODCALLTYPE *GetForWindow)(
+        IInputPaneInterop *This,
+        HWND app_window,
+        REFIID riid,
+        void **input_pane);
+
+    END_INTERFACE
+} IInputPaneInteropVtbl;
+
+interface IInputPaneInterop {
+    CONST_VTBL IInputPaneInteropVtbl* lpVtbl;
+};
+
+#ifdef COBJMACROS
+#ifndef WIDL_C_INLINE_WRAPPERS
+/*** IUnknown methods ***/
+#define IInputPaneInterop_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject)
+#define IInputPaneInterop_AddRef(This) (This)->lpVtbl->AddRef(This)
+#define IInputPaneInterop_Release(This) (This)->lpVtbl->Release(This)
+/*** IInspectable methods ***/
+#define IInputPaneInterop_GetIids(This,iidCount,iids) (This)->lpVtbl->GetIids(This,iidCount,iids)
+#define IInputPaneInterop_GetRuntimeClassName(This,className) (This)->lpVtbl->GetRuntimeClassName(This,className)
+#define IInputPaneInterop_GetTrustLevel(This,trustLevel) (This)->lpVtbl->GetTrustLevel(This,trustLevel)
+/*** IInputPaneInterop methods ***/
+#define IInputPaneInterop_GetForWindow(This,app_window,riid,input_pane) (This)->lpVtbl->GetForWindow(This,app_window,riid,input_pane)
+#else
+/*** IUnknown methods ***/
+static __WIDL_INLINE HRESULT IInputPaneInterop_QueryInterface(IInputPaneInterop* This,REFIID riid,void **ppvObject) {
+    return This->lpVtbl->QueryInterface(This,riid,ppvObject);
+}
+static __WIDL_INLINE ULONG IInputPaneInterop_AddRef(IInputPaneInterop* This) {
+    return This->lpVtbl->AddRef(This);
+}
+static __WIDL_INLINE ULONG IInputPaneInterop_Release(IInputPaneInterop* This) {
+    return This->lpVtbl->Release(This);
+}
+/*** IInspectable methods ***/
+static __WIDL_INLINE HRESULT IInputPaneInterop_GetIids(IInputPaneInterop* This,ULONG *iidCount,IID **iids) {
+    return This->lpVtbl->GetIids(This,iidCount,iids);
+}
+static __WIDL_INLINE HRESULT IInputPaneInterop_GetRuntimeClassName(IInputPaneInterop* This,HSTRING *className) {
+    return This->lpVtbl->GetRuntimeClassName(This,className);
+}
+static __WIDL_INLINE HRESULT IInputPaneInterop_GetTrustLevel(IInputPaneInterop* This,TrustLevel *trustLevel) {
+    return This->lpVtbl->GetTrustLevel(This,trustLevel);
+}
+/*** IInputPaneInterop methods ***/
+static __WIDL_INLINE HRESULT IInputPaneInterop_GetForWindow(IInputPaneInterop* This,HWND app_window,REFIID riid,void **input_pane) {
+    return This->lpVtbl->GetForWindow(This,app_window,riid,input_pane);
+}
+#endif
+#endif
+
+#endif
+
+
+#endif  /* __IInputPaneInterop_INTERFACE_DEFINED__ */
+
+#endif /* WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) */
+#endif /* (NTDDI_VERSION >= NTDDI_WIN10_RS1) */
+/* Begin additional prototypes for all interfaces */
+
+ULONG           __RPC_USER HWND_UserSize     (ULONG *, ULONG, HWND *);
+unsigned char * __RPC_USER HWND_UserMarshal  (ULONG *, unsigned char *, HWND *);
+unsigned char * __RPC_USER HWND_UserUnmarshal(ULONG *, unsigned char *, HWND *);
+void            __RPC_USER HWND_UserFree     (ULONG *, HWND *);
+
+/* End additional prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __inputpaneinterop_h__ */