[PATCH 4/4] user32: Implement RegisterClipboardFormat(A|W) using NtUserRegisterWindowMessage.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/user32/clipboard.c    | 18 ++++++++++++++++--
 dlls/win32u/tests/win32u.c |  2 +-
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/dlls/user32/clipboard.c b/dlls/user32/clipboard.c
index 79edf9e2187..6dd787920d7 100644
--- a/dlls/user32/clipboard.c
+++ b/dlls/user32/clipboard.c
@@ -33,6 +33,7 @@

WINE_DEFAULT_DEBUG_CHANNEL(clipboard);

+#define MAX_ATOM_LEN 255

static CRITICAL_SECTION clipboard_cs;
 static CRITICAL_SECTION_DEBUG critsect_debug =
@@ -526,7 +527,12 @@ HANDLE render_synthesized_format( UINT format, UINT from )
  */
 UINT WINAPI RegisterClipboardFormatW( LPCWSTR name )
 {
-    return GlobalAddAtomW( name );
+    UNICODE_STRING str;
+
+    TRACE( "%s\n", debugstr_w(name) );
+
+    RtlInitUnicodeString( &str, name );
+    return NtUserRegisterWindowMessage( &str );
 }

@@ -535,7 +541,15 @@ UINT WINAPI RegisterClipboardFormatW( LPCWSTR name )
  */
 UINT WINAPI RegisterClipboardFormatA( LPCSTR name )
 {
-    return GlobalAddAtomA( name );
+    WCHAR buf[MAX_ATOM_LEN + 1];
+    UNICODE_STRING str = {.Buffer = buf, .MaximumLength = sizeof(buf)};
+    STRING ansi;
+
+    TRACE( "%s\n", debugstr_a(name) );
+
+    RtlInitAnsiString( &ansi, name );
+    RtlAnsiStringToUnicodeString( &str, &ansi, FALSE );
+    return NtUserRegisterWindowMessage( &str );
 }

diff --git a/dlls/win32u/tests/win32u.c b/dlls/win32u/tests/win32u.c
index 47497f6858d..6379b7a65a9 100644
--- a/dlls/win32u/tests/win32u.c
+++ b/dlls/win32u/tests/win32u.c
@@ -2612,7 +2612,7 @@ static void test_RegisterClipboardFormat(void)
     SetLastError( 0xdeadbeef );
     atom = RegisterClipboardFormatW( NULL );
     ok( atom == 0, "got %#x\n", atom );
-    todo_wine ok( GetLastError() == ERROR_INVALID_PARAMETER, "got %#lx\n", GetLastError() );
+    ok( GetLastError() == ERROR_INVALID_PARAMETER, "got %#lx\n", GetLastError() );

SetLastError( 0xdeadbeef );
     atom = RegisterClipboardFormatW( L"" );