From 5cccc4e33815f666cf2910f9dcfe739e981f8bb4 Mon Sep 17 00:00:00 2001
From: James Tabor <james.tabor@reactos.org>
Date: Wed, 28 May 2008 02:36:25 +0000
Subject: [PATCH] NtUserSetWindowFNID is needed for supporting
 NtUserGetClassName bGetRealClass.

svn path=/trunk/; revision=33733
---
 reactos/include/reactos/win32k/ntuser.h       | 33 ++++++++++++++--
 .../subsystems/win32/win32k/ntuser/window.c   | 38 +++++++++++++++----
 2 files changed, 61 insertions(+), 10 deletions(-)

diff --git a/reactos/include/reactos/win32k/ntuser.h b/reactos/include/reactos/win32k/ntuser.h
index e1e4b430ecc..988ead4c92e 100644
--- a/reactos/include/reactos/win32k/ntuser.h
+++ b/reactos/include/reactos/win32k/ntuser.h
@@ -77,6 +77,7 @@ typedef struct _WINDOWCLASS
     INT ClsExtra;
     INT WndExtra;
     PVOID Dce;
+    DWORD fnID;
     HINSTANCE hInstance;
     HANDLE hIcon; /* FIXME - Use pointer! */
     HANDLE hIconSm; /* FIXME - Use pointer! */
@@ -264,6 +265,32 @@ typedef struct _W32CLIENTINFO
 PW32THREADINFO GetW32ThreadInfo(VOID);
 PW32PROCESSINFO GetW32ProcessInfo(VOID);
 
+// FNID's for NtUserSetWindowFNID
+#define FNID_BUTTON      0x02A1
+#define FNID_COMBOBOX    0x02A2
+#define FNID_COMBOLBOX   0x02A3
+#define FNID_DIALOG      0x02A4
+#define FNID_EDIT        0x02A5
+#define FNID_LISTBOX     0x02A6
+#define FNID_MDICLIENT   0x02A7
+#define FNID_STATIC      0x02A8
+#define FNID_IME         0x02A9
+
+#define FNID_DESTROY     0x4000 // This is sent when WM_NCDESTROY or in the support routine.
+                                // Seen during WM_CREATE on error exit too.
+
+// ICLS's for NtUserGetClassName FNID to ICLS
+#define ICLS_BUTTON      0
+#define ICLS_EDIT        1
+#define ICLS_STATIC      2
+#define ICLS_LISTBOX     3
+#define ICLS_COMBOBOX    5
+#define ICLS_MDICLIENT   6
+#define ICLS_COMBOLBOX   7
+#define ICLS_IME         15
+#define ICLS_DIALOG      17
+#define ICLS_END         31
+
 DWORD
 NTAPI
 NtUserAssociateInputContext(
@@ -2186,11 +2213,11 @@ NtUserSetTimer
  TIMERPROC lpTimerFunc
 );
 
-DWORD
+BOOL
 NTAPI
 NtUserSetWindowFNID(
-  DWORD Unknown0,
-  DWORD Unknown1);
+  HWND hWnd,
+  WORD fnID);
 
 LONG
 NTAPI
diff --git a/reactos/subsystems/win32/win32k/ntuser/window.c b/reactos/subsystems/win32/win32k/ntuser/window.c
index 4b6d1df1251..c249571d486 100644
--- a/reactos/subsystems/win32/win32k/ntuser/window.c
+++ b/reactos/subsystems/win32/win32k/ntuser/window.c
@@ -4159,19 +4159,43 @@ CLEANUP:
 
 
 /*
- * @unimplemented
+ * @implemented
  */
-DWORD STDCALL
-NtUserSetWindowFNID(DWORD Unknown0,
-                    DWORD Unknown1)
+BOOL STDCALL
+NtUserSetWindowFNID(HWND hWnd,
+                    WORD fnID)
 {
-   UNIMPLEMENTED
+   PWINDOW_OBJECT Window;
+   PWINDOW Wnd;
+   DECLARE_RETURN(BOOL);
 
-   return 0;
+   DPRINT("Enter NtUserSetWindowFNID\n");
+   UserEnterExclusive();
+
+   if (!(Window = UserGetWindowObject(hWnd)))
+   {
+      RETURN( FALSE);
+   }
+   Wnd = Window->Wnd;
+
+   if (Wnd->Class)
+   {  // From user land we only set these.
+      if ((fnID != FNID_DESTROY) || ((fnID < FNID_BUTTON) && (fnID > FNID_IME)) )
+      {
+         RETURN( FALSE);
+      }
+      else
+         Wnd->Class->fnID |= fnID;
+   }
+   RETURN( TRUE);
+
+CLEANUP:
+   DPRINT("Leave NtUserSetWindowFNID\n");
+   UserLeave();
+   END_CLEANUP;
 }
 
 
-
 /*
  * @implemented
  */