[PATCH 0/1] MR6634: win32u: Use an internal message for XIM IME notifications.

[Rémi Bernon (＠rbernon)]

Fixes IME not working anymore in Diablo IV.

[PATCH 1/1] win32u: Use an internal message for XIM IME notifications.

[Rémi Bernon]

From: Rémi Bernon

Fixes IME not working anymore in Diablo IV.
---
 dlls/win32u/imm.c      | 2 +-
 dlls/win32u/message.c  | 6 ++++++
 dlls/win32u/spy.c      | 1 +
 dlls/winex11.drv/xim.c | 8 ++++----
 include/ntuser.h       | 1 +
 5 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/dlls/win32u/imm.c b/dlls/win32u/imm.c
index 4a9aca22360..99dc3e5e225 100644
--- a/dlls/win32u/imm.c
+++ b/dlls/win32u/imm.c
@@ -462,7 +462,7 @@ static void post_ime_update( HWND hwnd, UINT cursor_pos, WCHAR *comp_str, WCHAR
         list_add_tail( &ime_updates, &update->entry );
         pthread_mutex_unlock( &imm_mutex );

-        NtUserPostMessage( hwnd, WM_IME_NOTIFY, IMN_WINE_SET_COMP_STRING, id );
+        NtUserPostMessage( hwnd, WM_WINE_IME_NOTIFY, IMN_WINE_SET_COMP_STRING, id );
     }
     else
     {
diff --git a/dlls/win32u/message.c b/dlls/win32u/message.c
index 24a55365b7a..c5913054f48 100644
--- a/dlls/win32u/message.c
+++ b/dlls/win32u/message.c
@@ -2121,6 +2121,12 @@ static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPAR
     case WM_WINE_SETCURSOR:
         FIXME( "Unexpected non-hardware WM_WINE_SETCURSOR message\n" );
         return FALSE;
+    case WM_WINE_IME_NOTIFY:
+    {
+        HWND ime_hwnd = get_default_ime_window( hwnd );
+        if (!ime_hwnd || ime_hwnd == NtUserGetParent( hwnd )) return 0;
+        return send_message( ime_hwnd, WM_IME_NOTIFY, wparam, lparam );
+    }
     case WM_WINE_UPDATEWINDOWSTATE:
         update_window_state( hwnd );
         return 0;
diff --git a/dlls/win32u/spy.c b/dlls/win32u/spy.c
index f546f4b0439..f44771fdb90 100644
--- a/dlls/win32u/spy.c
+++ b/dlls/win32u/spy.c
@@ -1139,6 +1139,7 @@ static const char * const WINEMessageTypeNames[SPY_MAX_WINEMSGNUM + 1] =
     "WM_WINE_SETACTIVEWINDOW",
     "WM_WINE_KEYBOARD_LL_HOOK",
     "WM_WINE_MOUSE_LL_HOOK",
+    "WM_WINE_IME_NOTIFY",
     "WM_WINE_UPDATEWINDOWSTATE",
 };

diff --git a/dlls/winex11.drv/xim.c b/dlls/winex11.drv/xim.c
index 732a55a978a..3871e4e7617 100644
--- a/dlls/winex11.drv/xim.c
+++ b/dlls/winex11.drv/xim.c
@@ -128,10 +128,10 @@ static BOOL xic_preedit_state_notify( XIC xic, XPointer user, XPointer arg )
     switch (state)
     {
     case XIMPreeditEnable:
-        NtUserPostMessage( hwnd, WM_IME_NOTIFY, IMN_WINE_SET_OPEN_STATUS, TRUE );
+        NtUserPostMessage( hwnd, WM_WINE_IME_NOTIFY, IMN_WINE_SET_OPEN_STATUS, TRUE );
         break;
     case XIMPreeditDisable:
-        NtUserPostMessage( hwnd, WM_IME_NOTIFY, IMN_WINE_SET_OPEN_STATUS, FALSE );
+        NtUserPostMessage( hwnd, WM_WINE_IME_NOTIFY, IMN_WINE_SET_OPEN_STATUS, FALSE );
         break;
     }

@@ -147,7 +147,7 @@ static int xic_preedit_start( XIC xic, XPointer user, XPointer arg )
     if ((ime_comp_buf = realloc( ime_comp_buf, sizeof(WCHAR) ))) *ime_comp_buf = 0;
     else ERR( "Failed to allocate preedit buffer\n" );

-    NtUserPostMessage( hwnd, WM_IME_NOTIFY, IMN_WINE_SET_OPEN_STATUS, TRUE );
+    NtUserPostMessage( hwnd, WM_WINE_IME_NOTIFY, IMN_WINE_SET_OPEN_STATUS, TRUE );
     post_ime_update( hwnd, 0, ime_comp_buf, NULL );

return -1;
@@ -163,7 +163,7 @@ static int xic_preedit_done( XIC xic, XPointer user, XPointer arg )
     ime_comp_buf = NULL;

post_ime_update( hwnd, 0, NULL, NULL );
-    NtUserPostMessage( hwnd, WM_IME_NOTIFY, IMN_WINE_SET_OPEN_STATUS, FALSE );
+    NtUserPostMessage( hwnd, WM_WINE_IME_NOTIFY, IMN_WINE_SET_OPEN_STATUS, FALSE );

return 0;
 }
diff --git a/include/ntuser.h b/include/ntuser.h
index 558dfacea20..538b986693c 100644
--- a/include/ntuser.h
+++ b/include/ntuser.h
@@ -521,6 +521,7 @@ enum wine_internal_message
     WM_WINE_SETACTIVEWINDOW,
     WM_WINE_KEYBOARD_LL_HOOK,
     WM_WINE_MOUSE_LL_HOOK,
+    WM_WINE_IME_NOTIFY,
     WM_WINE_UPDATEWINDOWSTATE,
     WM_WINE_FIRST_DRIVER_MSG = 0x80001000,  /* range of messages reserved for the USER driver */
     WM_WINE_CLIPCURSOR = 0x80001ff0, /* internal driver notification messages */