win32u: Move clipboard data management from user32.

dlls/user32/edit.c

@@ -3134,7 +3134,7 @@ static void EDIT_WM_Copy(EDITSTATE *es)
 	TRACE("%s\n", debugstr_w(dst));
 	GlobalUnlock(hdst);
 	OpenClipboard(es->hwndSelf);
-	EmptyClipboard();
+	NtUserEmptyClipboard();
 	SetClipboardData(CF_UNICODETEXT, hdst);
 	NtUserCloseClipboard();
 }

dlls/user32/user32.spec

@@ -202,7 +202,7 @@
 @ stdcall DrawTextExW(long wstr long ptr long ptr)
 @ stdcall DrawTextW(long wstr long ptr long)
 @ stdcall EditWndProc(long long long long) EditWndProcA
-@ stdcall EmptyClipboard()
+@ stdcall EmptyClipboard() NtUserEmptyClipboard
 @ stdcall EnableMenuItem(long long long) NtUserEnableMenuItem
 @ stdcall EnableMouseInPointer(long)
 @ stdcall EnableNonClientDpiScaling(long)

dlls/user32/user_main.c

@@ -184,6 +184,20 @@ static const struct user_callbacks user_funcs =
     unregister_imm,
 };
 
+static NTSTATUS WINAPI User32FreeCachedClipboardData( const struct free_cached_data_params *params,
+                                                      ULONG size )
+{
+    free_cached_data( params->format, params->handle );
+    return 0;
+}
+
+static NTSTATUS WINAPI User32RenderSsynthesizedFormat( const struct render_synthesized_format_params *params,
+                                                       ULONG size )
+{
+    render_synthesized_format( params->format, params->from );
+    return 0;
+}
+
 static BOOL WINAPI User32LoadDriver( const WCHAR *path, ULONG size )
 {
     return LoadLibraryW( path ) != NULL;
@@ -196,7 +210,9 @@ static const void *kernel_callback_table[NtUserCallCount] =
     User32CallWinEventHook,
     User32CallWindowProc,
     User32CallWindowsHook,
+    User32FreeCachedClipboardData,
     User32LoadDriver,
+    User32RenderSsynthesizedFormat,
 };
 
 

dlls/user32/user_private.h

@@ -82,6 +82,8 @@ extern BOOL process_rawinput_message( MSG *msg, UINT hw_id,
                                       const struct hardware_msg_data *msg_data ) DECLSPEC_HIDDEN;
 extern BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
                                 void **buffer, size_t size ) DECLSPEC_HIDDEN;
+extern void free_cached_data( UINT format, HANDLE handle ) DECLSPEC_HIDDEN;
+extern HANDLE render_synthesized_format( UINT format, UINT from ) DECLSPEC_HIDDEN;
 
 extern void CLIPBOARD_ReleaseOwner( HWND hwnd ) DECLSPEC_HIDDEN;
 extern BOOL FOCUS_MouseActivate( HWND hwnd ) DECLSPEC_HIDDEN;

dlls/win32u/sysparams.c

@@ -4671,10 +4671,6 @@ ULONG_PTR WINAPI NtUserCallNoParam( ULONG code )
         thread_detach();
         return 0;
 
-    case NtUserUpdateClipboard:
-        user_driver->pUpdateClipboard();
-        return 0;
-
     default:
         FIXME( "invalid code %u\n", code );
         return 0;

include/ntuser.h

@@ -32,7 +32,9 @@ enum
     NtUserCallWinEventHook,
     NtUserCallWinProc,
     NtUserCallWindowsHook,
+    NtUserFreeCachedClipboardData,
     NtUserLoadDriver,
+    NtUserRenderSynthesizedFormat,
     /* win16 hooks */
     NtUserCallFreeIcon,
     NtUserThunkLock,
@@ -140,6 +142,20 @@ struct win_hook_params
     WCHAR module[MAX_PATH];
 };
 
+/* NtUserFreeCachedClipboardData params */
+struct free_cached_data_params
+{
+    UINT format;
+    HANDLE handle;
+};
+
+/* NtUserRenderSynthesizedFormat params */
+struct render_synthesized_format_params
+{
+    UINT format;
+    UINT from;
+};
+
 /* process DPI awareness contexts */
 #define NTUSER_DPI_UNAWARE                0x00006010
 #define NTUSER_DPI_SYSTEM_AWARE           0x00006011
@@ -237,11 +253,19 @@ struct client_menu_name
 /* NtUserGetClipboardData params, not compatible with Windows */
 struct get_clipboard_params
 {
+    void  *data;
+    size_t size;
+    size_t data_size;
+    UINT   seqno;
 };
 
 /* NtUserSetClipboardData params, not compatible with Windows */
 struct set_clipboard_params
 {
+    void  *data;
+    size_t size;
+    BOOL   cache_only;
+    UINT   seqno;
 };
 
 /* internal messages codes */
@@ -624,7 +648,6 @@ enum
     /* temporary exports */
     NtUserExitingThread,
     NtUserThreadDetach,
-    NtUserUpdateClipboard,
 };
 
 static inline HWND NtUserGetDesktopWindow(void)