Fix regression in RealizePalette. Send broadcast message if palette was changed.

svn path=/trunk/; revision=31621

reactos/include/reactos/win32k/ntgdihdl.h

@@ -373,7 +373,7 @@ typedef struct _DC
   ULONG       lucExcLock;
   PVOID       Tid;
 
-  DHPDEV      PDev;   // GDIDEVICE.hPDev
+  DHPDEV      PDev;   // <- GDIDEVICE.hPDev DHPDEV for device.
   INT         DC_Type;
   INT         DC_Flags;
   PVOID       pPDev;  // PGDIDEVICE

reactos/subsystems/win32/win32k/include/color.h

@@ -14,6 +14,6 @@ const PALETTEENTRY* FASTCALL COLOR_GetSystemPaletteTemplate (VOID);
 COLORREF STDCALL COLOR_LookupNearestColor (PALETTEENTRY* palPalEntry, INT size, COLORREF color);
 INT STDCALL COLOR_PaletteLookupExactIndex (PALETTEENTRY* palPalEntry, INT size, COLORREF col);
 INT STDCALL COLOR_PaletteLookupPixel(PALETTEENTRY *palPalEntry, INT size, XLATEOBJ *XlateObj, COLORREF col, BOOL skipReserved);
-UINT STDCALL NtGdiRealizePalette (HDC);
+UINT FASTCALL IntGdiRealizePalette (HDC);
 
 #endif /* _WIN32K_COLOR_H */

reactos/subsystems/win32/win32k/include/painting.h

@@ -12,5 +12,6 @@ IntInvalidateWindows(PWINDOW_OBJECT Window, HRGN hRgn, ULONG Flags);
 BOOL FASTCALL
 IntGetPaintMessage(HWND hWnd, UINT MsgFilterMin, UINT MsgFilterMax, PW32THREAD Thread,
                    MSG *Message, BOOL Remove);
+INT FASTCALL UserRealizePalette(HDC);
 
 #endif /* _WIN32K_PAINTING_H */

reactos/subsystems/win32/win32k/ntuser/misc.c

@@ -477,7 +477,7 @@ NtUserCallOneParam(
          RETURN (UserReleaseDC(NULL, (HDC) Param, FALSE));
 
       case ONEPARAM_ROUTINE_REALIZEPALETTE:
-         RETURN (NtGdiRealizePalette((HDC) Param));
+         RETURN (UserRealizePalette((HDC) Param));
    }
    DPRINT1("Calling invalid routine number 0x%x in NtUserCallOneParam(), Param=0x%x\n",
            Routine, Param);

reactos/subsystems/win32/win32k/ntuser/painting.c

@@ -1886,6 +1886,24 @@ cleanup:
    return Ret;
 }
 
+INT
+FASTCALL
+UserRealizePalette(HDC hdc)
+{
+  HWND hWnd;
+  DWORD Ret;
+
+  Ret = IntGdiRealizePalette(hdc);
+  if (Ret) // There was a change.
+  {
+      hWnd = IntWindowFromDC(hdc);
+      if (hWnd) // Send broadcast if dc is associated with a window.
+      {  // FYI: Thread locked in CallOneParam.
+         co_IntSendMessage((HWND)HWND_BROADCAST, WM_PALETTECHANGED, (WPARAM)hWnd, 0);
+      }
+  }
+  return Ret;
+}
 
 BOOL
 STDCALL

reactos/subsystems/win32/win32k/objects/color.c

@@ -125,7 +125,7 @@ IntAnimatePalette(HPALETTE hPal,
             if (dc->w.hPalette == hPal)
             {
                 DC_UnlockDc(dc);
-                NtGdiRealizePalette(hDC);
+                IntGdiRealizePalette(hDC);
             }
             else
                 DC_UnlockDc(dc);
@@ -484,7 +484,7 @@ A logical palette is a buffer between color-intensive applications and the syste
    the dc palette.
 -- If it is an RGB palette, then an XLATEOBJ is created between the RGB values and the dc palette.
 */
-UINT STDCALL NtGdiRealizePalette(HDC hDC)
+UINT FASTCALL IntGdiRealizePalette(HDC hDC)
 {
   /*
    * This function doesn't do any real work now and there's plenty

reactos/subsystems/win32/win32k/objects/dc.c

@@ -805,7 +805,7 @@ IntGdiCreateDC(PUNICODE_STRING Driver,
   NewDC->IsIC = CreateAsIC;
 
   NewDC->PDev = PrimarySurface.hPDev;
-  if(pUMdhpdev) pUMdhpdev = NewDC->PDev;
+  if(pUMdhpdev) pUMdhpdev = NewDC->PDev; // set DHPDEV for device.
   NewDC->pPDev = (PVOID)&PrimarySurface;
   NewDC->w.hBitmap = (HBITMAP)PrimarySurface.pSurface;