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

   1 /*
   2  * COPYRIGHT:        GPL, see COPYING in the top level directory
   3  * PROJECT:          ReactOS win32 kernel mode subsystem server
   4  * PURPOSE:          System parameters functions
   5  * FILE:             subsystem/win32/win32k/ntuser/sysparams.c
   6  * PROGRAMER:        Timo Kreuzer (timo.kreuzer@reactos.org)
   7  */
   8
   9 // TODO:
  10 // - check all values that are in Winsta in ros
  11 // - does setting invalid fonts work?
  12 // - save appropriate text metrics
  13
  14 #include <win32k.h>
  15 DBG_DEFAULT_CHANNEL(UserSysparams);
  16
  17 SPIVALUES gspv;
  18 BOOL gbSpiInitialized = FALSE;
  19 PWINSTATION_OBJECT gpwinstaCurrent = NULL;
  20
  21 // HACK! We initialize SPI before we have a proper surface to get this from.
  22 #define dpi 96
  23 //(pPrimarySurface->GDIInfo.ulLogPixelsY)
  24 #define REG2METRIC(reg) (reg > 0 ? reg : ((-(reg) * dpi + 720) / 1440))
  25 #define METRIC2REG(met) (-((((met) * 1440)- 0) / dpi))
  26
  27 #define REQ_INTERACTIVE_WINSTA(err) \
  28     if (gpwinstaCurrent != InputWindowStation) \
  29     { \
  30         EngSetLastError(err); \
  31         return 0; \
  32     }
  33
  34 static const WCHAR* KEY_MOUSE = L"Control Panel\\Mouse";
  35 static const WCHAR* VAL_MOUSE1 = L"MouseThreshold1";
  36 static const WCHAR* VAL_MOUSE2 = L"MouseThreshold2";
  37 static const WCHAR* VAL_MOUSE3 = L"MouseSpeed";
  38 static const WCHAR* VAL_MOUSETRAILS = L"MouseTrails";
  39 static const WCHAR* VAL_DBLCLKWIDTH = L"DoubleClickWidth";
  40 static const WCHAR* VAL_DBLCLKHEIGHT = L"DoubleClickHeight";
  41 static const WCHAR* VAL_DBLCLKTIME = L"DoubleClickSpeed";
  42 static const WCHAR* VAL_SNAPDEFBTN = L"SnapToDefaultButton";
  43 static const WCHAR* VAL_SWAP = L"SwapMouseButtons";
  44 static const WCHAR* VAL_HOVERTIME = L"MouseHoverTime";
  45 static const WCHAR* VAL_HOVERWIDTH = L"MouseHoverWidth";
  46 static const WCHAR* VAL_HOVERHEIGHT = L"MouseHoverHeight";
  47 //static const WCHAR* VAL_SENSITIVITY = L"MouseSensitivity";
  48
  49 static const WCHAR* KEY_DESKTOP = L"Control Panel\\Desktop";
  50 static const WCHAR* VAL_SCRTO = L"ScreenSaveTimeOut";
  51 static const WCHAR* VAL_SCRNSV = L"SCRNSAVE.EXE";
  52 static const WCHAR* VAL_SCRACT = L"ScreenSaveActive";
  53 static const WCHAR* VAL_GRID = L"GridGranularity";
  54 static const WCHAR* VAL_DRAG = L"DragFullWindows";
  55 static const WCHAR* VAL_DRAGHEIGHT = L"DragHeight";
  56 static const WCHAR* VAL_DRAGWIDTH = L"DragWidth";
  57 static const WCHAR* VAL_FNTSMOOTH = L"FontSmoothing";
  58 static const WCHAR* VAL_SCRLLLINES = L"WheelScrollLines";
  59 static const WCHAR* VAL_CLICKLOCKTIME = L"ClickLockTime";
  60 #if (_WIN32_WINNT >= 0x0600)
  61 static const WCHAR* VAL_SCRLLCHARS = L"WheelScrollChars";
  62 #endif
  63 static const WCHAR* VAL_USERPREFMASK = L"UserPreferencesMask";
  64
  65 static const WCHAR* KEY_MDALIGN = L"Software\\Microsoft\\Windows NT\\CurrentVersion\\Windows";
  66 static const WCHAR* VAL_MDALIGN = L"MenuDropAlignment";
  67
  68 static const WCHAR* KEY_METRIC = L"Control Panel\\Desktop\\WindowMetrics";
  69 static const WCHAR* VAL_BORDER = L"BorderWidth";
  70 static const WCHAR* VAL_ICONSPC = L"IconSpacing";
  71 static const WCHAR* VAL_ICONVSPC = L"IconVerticalspacing";
  72 static const WCHAR* VAL_ITWRAP = L"IconTitleWrap";
  73
  74 static const WCHAR* KEY_SOUND = L"Control Panel\\Sound";
  75 static const WCHAR* VAL_BEEP = L"Beep";
  76
  77 static const WCHAR* KEY_KBD = L"Control Panel\\Keyboard";
  78 static const WCHAR* VAL_KBDSPD = L"KeyboardSpeed";
  79 static const WCHAR* VAL_KBDDELAY = L"KeyboardDelay";
  80
  81 static const WCHAR* KEY_SHOWSNDS = L"Control Panel\\Accessibility\\ShowSounds";
  82 static const WCHAR* KEY_KDBPREF = L"Control Panel\\Accessibility\\Keyboard Preference";
  83 static const WCHAR* KEY_SCRREAD = L"Control Panel\\Accessibility\\Blind Access";
  84 static const WCHAR* VAL_ON = L"On";
  85
  86
  87
  88 /** Loading the settings ******************************************************/
  89
  90 static
  91 INT
  92 SpiLoadDWord(PCWSTR pwszKey, PCWSTR pwszValue, INT iValue)
  93 {
  94     DWORD Result;
  95     if (!RegReadUserSetting(pwszKey, pwszValue, REG_DWORD, &Result, sizeof(Result)))
  96     {
  97         return iValue;
  98     }
  99     return Result;
 100 }
 101
 102 static
 103 INT
 104 SpiLoadInt(PCWSTR pwszKey, PCWSTR pwszValue, INT iValue)
 105 {
 106     WCHAR awcBuffer[12];
 107     ULONG cbSize;
 108
 109     cbSize = sizeof(awcBuffer);
 110     if (!RegReadUserSetting(pwszKey, pwszValue, REG_SZ, awcBuffer, cbSize))
 111     {
 112         return iValue;
 113     }
 114     return _wtoi(awcBuffer);
 115 }
 116
 117 static
 118 DWORD
 119 SpiLoadUserPrefMask(DWORD dValue)
 120 {
 121     DWORD Result;
 122     if (!RegReadUserSetting(KEY_DESKTOP, VAL_USERPREFMASK, REG_BINARY, &Result, sizeof(Result)))
 123     {
 124         return dValue;
 125     }
 126     return Result;
 127 }
 128
 129 static
 130 DWORD
 131 SpiLoadTimeOut(VOID)
 132 {   // Must have the string!
 133     WCHAR szApplicationName[MAX_PATH];
 134     RtlZeroMemory(&szApplicationName, sizeof(szApplicationName));
 135     if (!RegReadUserSetting(KEY_DESKTOP, VAL_SCRNSV, REG_SZ, &szApplicationName, sizeof(szApplicationName)))
 136     {
 137         return 0;
 138     }
 139     if (wcslen(szApplicationName) == 0) return 0;
 140     return SpiLoadInt(KEY_DESKTOP, VAL_SCRTO, 0);
 141 }
 142
 143 static
 144 INT
 145 SpiLoadMouse(PCWSTR pwszValue, INT iValue)
 146 {
 147     return SpiLoadInt(KEY_MOUSE, pwszValue, iValue);
 148 }
 149
 150 static
 151 INT
 152 SpiLoadMetric(PCWSTR pwszValue, INT iValue)
 153 {
 154     INT iRegVal;
 155
 156     iRegVal = SpiLoadInt(KEY_METRIC, pwszValue, METRIC2REG(iValue));
 157     TRACE("Loaded metric setting '%S', iValue=%d(reg:%d), ret=%d(reg:%d)\n",
 158            pwszValue, iValue, METRIC2REG(iValue), REG2METRIC(iRegVal), iRegVal);
 159     return REG2METRIC(iRegVal);
 160 }
 161
 162 static
 163 VOID
 164 SpiLoadFont(PLOGFONTW plfOut, LPWSTR pwszValueName, PLOGFONTW plfDefault)
 165 {
 166     BOOL bResult;
 167
 168     bResult = RegReadUserSetting(KEY_METRIC,
 169                                  pwszValueName,
 170                                  REG_BINARY,
 171                                  plfOut,
 172                                  sizeof(LOGFONTW));
 173     if (!bResult)
 174         *plfOut = *plfDefault;
 175 }
 176
 177 static
 178 VOID
 179 SpiFixupValues()
 180 {
 181     /* Fixup values */
 182     gspv.ncm.iCaptionWidth = max(gspv.ncm.iCaptionWidth, 8);
 183     gspv.ncm.iBorderWidth = max(gspv.ncm.iBorderWidth, 1);
 184     gspv.ncm.iScrollWidth = max(gspv.ncm.iScrollWidth, 8);
 185     gspv.ncm.iScrollHeight = max(gspv.ncm.iScrollHeight, 8);
 186 //    gspv.ncm.iMenuHeight = max(gspv.ncm.iMenuHeight, gspv.tmMenuFont.tmHeight);
 187 //    gspv.ncm.iMenuHeight = max(gspv.ncm.iMenuHeight,
 188 //                               2 + gspv.tmMenuFont.tmHeight +
 189 //                               gspv.tmMenuFont.tmExternalLeading);
 190     if (gspv.iDblClickTime == 0) gspv.iDblClickTime = 500;
 191
 192     // FIXME: hack!!!
 193     gspv.tmMenuFont.tmHeight = 11;
 194     gspv.tmMenuFont.tmExternalLeading = 2;
 195
 196     gspv.tmCaptionFont.tmHeight = 11;
 197     gspv.tmCaptionFont.tmExternalLeading = 2;
 198
 199 }
 200
 201 static
 202 VOID
 203 SpiUpdatePerUserSystemParameters()
 204 {
 205     static LOGFONTW lf1 = {-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE,
 206                            FALSE, ANSI_CHARSET, 0, 0, DEFAULT_QUALITY,
 207                            VARIABLE_PITCH | FF_SWISS, L"MS Sans Serif"};
 208     static LOGFONTW lf2 = {-11, 0, 0, 0, FW_BOLD, FALSE, FALSE,
 209                            FALSE, ANSI_CHARSET, 0, 0, DEFAULT_QUALITY,
 210                            VARIABLE_PITCH | FF_SWISS, L"MS Sans Serif"};
 211
 212     TRACE("Enter SpiUpdatePerUserSystemParameters\n");
 213
 214     /* Clear the structure */
 215     memset(&gspv, 0, sizeof(gspv));
 216
 217     /* Load mouse settings */
 218     gspv.caiMouse.FirstThreshold = SpiLoadMouse(VAL_MOUSE1, 6);
 219     gspv.caiMouse.SecondThreshold = SpiLoadMouse(VAL_MOUSE2, 10);
 220     gspv.caiMouse.Acceleration = gspv.iMouseSpeed = SpiLoadMouse(VAL_MOUSE3, 1);
 221     gspv.bMouseBtnSwap = SpiLoadMouse(VAL_SWAP, 0);
 222     gspv.bSnapToDefBtn = SpiLoadMouse(VAL_SNAPDEFBTN, 0);
 223     gspv.iMouseTrails = SpiLoadMouse(VAL_MOUSETRAILS, 0);
 224     gspv.iDblClickTime = SpiLoadMouse(VAL_DBLCLKTIME, 500);
 225     gspv.iDblClickWidth = SpiLoadMouse(VAL_DBLCLKWIDTH, 4);
 226     gspv.iDblClickHeight = SpiLoadMouse(VAL_DBLCLKHEIGHT, 4);
 227     gspv.iMouseHoverTime = SpiLoadMouse(VAL_HOVERTIME, 400);
 228     gspv.iMouseHoverWidth = SpiLoadMouse(VAL_HOVERWIDTH, 4);
 229     gspv.iMouseHoverHeight = SpiLoadMouse(VAL_HOVERHEIGHT, 4);
 230
 231     /* Load NONCLIENTMETRICS */
 232     gspv.ncm.cbSize = sizeof(NONCLIENTMETRICSW);
 233     gspv.ncm.iBorderWidth = SpiLoadMetric(VAL_BORDER, 1);
 234     gspv.ncm.iScrollWidth = SpiLoadMetric(L"ScrollWidth", 16);
 235     gspv.ncm.iScrollHeight = SpiLoadMetric(L"ScrollHeight", 16);
 236     gspv.ncm.iCaptionWidth = SpiLoadMetric(L"CaptionWidth", 19);
 237     gspv.ncm.iCaptionHeight = SpiLoadMetric(L"CaptionHeight", 19);
 238     gspv.ncm.iSmCaptionWidth = SpiLoadMetric(L"SmCaptionWidth", 12);
 239     gspv.ncm.iSmCaptionHeight =  SpiLoadMetric(L"SmCaptionHeight", 14);
 240     gspv.ncm.iMenuWidth = SpiLoadMetric(L"MenuWidth", 18);
 241     gspv.ncm.iMenuHeight = SpiLoadMetric(L"MenuHeight", 18);
 242 #if (WINVER >= 0x0600)
 243     gspv.ncm.iPaddedBorderWidth = SpiLoadMetric(L"PaddedBorderWidth", 18);
 244 #endif
 245     SpiLoadFont(&gspv.ncm.lfCaptionFont, L"CaptionFont", &lf2);
 246     SpiLoadFont(&gspv.ncm.lfSmCaptionFont, L"SmCaptionFont", &lf1);
 247     SpiLoadFont(&gspv.ncm.lfMenuFont, L"MenuFont", &lf1);
 248     SpiLoadFont(&gspv.ncm.lfStatusFont, L"StatusFont", &lf1);
 249     SpiLoadFont(&gspv.ncm.lfMessageFont, L"MessageFont", &lf1);
 250
 251     /* Load MINIMIZEDMETRICS */
 252     gspv.mm.cbSize = sizeof(MINIMIZEDMETRICS);
 253     gspv.mm.iWidth = SpiLoadMetric(L"MinWidth", 160);
 254     gspv.mm.iHorzGap = SpiLoadMetric(L"MinHorzGap", 160);
 255     gspv.mm.iVertGap = SpiLoadMetric(L"MinVertGap", 24);
 256     gspv.mm.iArrange = SpiLoadInt(KEY_METRIC, L"MinArrange", ARW_HIDE);
 257
 258     /* Load ICONMETRICS */
 259     gspv.im.cbSize = sizeof(ICONMETRICSW);
 260     gspv.im.iHorzSpacing = SpiLoadMetric(VAL_ICONSPC, 64);
 261     gspv.im.iVertSpacing = SpiLoadMetric(VAL_ICONVSPC, 64);
 262     gspv.im.iTitleWrap = SpiLoadMetric(VAL_ITWRAP, 0);
 263     SpiLoadFont(&gspv.im.lfFont, L"IconFont", &lf1);
 264
 265     /* Load desktop settings */
 266     gspv.bDragFullWindows = SpiLoadInt(KEY_DESKTOP, VAL_DRAG, 0);
 267     gspv.iWheelScrollLines = SpiLoadInt(KEY_DESKTOP, VAL_SCRLLLINES, 3);
 268     gspv.dwMouseClickLockTime = SpiLoadDWord(KEY_DESKTOP, VAL_CLICKLOCKTIME, 1200);
 269     gspv.dwUserPrefMask = SpiLoadUserPrefMask(UPM_DEFAULT);
 270     gspv.bMouseClickLock = (gspv.dwUserPrefMask & UPM_CLICKLOCK) != 0;
 271     gspv.bMouseCursorShadow = (gspv.dwUserPrefMask & UPM_CURSORSHADOW) != 0;
 272 #if (_WIN32_WINNT >= 0x0600)
 273     gspv.iWheelScrollChars = SpiLoadInt(KEY_DESKTOP, VAL_SCRLLCHARS, 3);
 274 #endif
 275
 276     /* Some hardcoded values for now */
 277
 278     gspv.tmCaptionFont.tmAveCharWidth = 6;
 279     gspv.bBeep = TRUE;
 280     gspv.bFlatMenu = FALSE;
 281     gspv.uiFocusBorderWidth = 1;
 282     gspv.uiFocusBorderHeight = 1;
 283     gspv.bMenuDropAlign = 1;
 284     gspv.bDropShadow = 1;
 285     gspv.dwMenuShowDelay = 100;
 286
 287     gspv.iScrSaverTimeout = SpiLoadTimeOut();
 288     gspv.bScrSaverActive = FALSE;
 289     gspv.bScrSaverRunning = FALSE;
 290 #if(WINVER >= 0x0600)
 291     gspv.bScrSaverSecure = FALSE;
 292 #endif
 293
 294     /* Make sure we don't use broken values */
 295     SpiFixupValues();
 296
 297     /* Update SystemMetrics */
 298     InitMetrics();
 299 }
 300
 301 BOOL
 302 InitSysParams()
 303 {
 304     SpiUpdatePerUserSystemParameters();
 305     gbSpiInitialized = TRUE;
 306     return TRUE;
 307 }
 308
 309
 310 BOOL
 311 APIENTRY
 312 NtUserUpdatePerUserSystemParameters(
 313     DWORD dwReserved,
 314     BOOL bEnable)
 315 {
 316     BOOL bResult;
 317
 318     TRACE("Enter NtUserUpdatePerUserSystemParameters\n");
 319     UserEnterExclusive();
 320
 321     SpiUpdatePerUserSystemParameters();
 322     bResult = IntDesktopUpdatePerUserSettings(bEnable);
 323
 324     TRACE("Leave NtUserUpdatePerUserSystemParameters, returning %d\n", bResult);
 325     UserLeave();
 326
 327     return bResult;
 328 }
 329
 330
 331 /** Storing the settings ******************************************************/
 332
 333 static
 334 VOID
 335 SpiStoreDWord(PCWSTR pwszKey, PCWSTR pwszValue, DWORD Value)
 336 {
 337     RegWriteUserSetting(pwszKey,
 338                         pwszValue,
 339                         REG_DWORD,
 340                         &Value,
 341                         sizeof(Value));
 342 }
 343
 344 static
 345 VOID
 346 SpiStoreSz(PCWSTR pwszKey, PCWSTR pwszValue, PCWSTR pwsz)
 347 {
 348     RegWriteUserSetting(pwszKey,
 349                         pwszValue,
 350                         REG_SZ,
 351                         (PWSTR)pwsz,
 352                         wcslen(pwsz) * sizeof(WCHAR));
 353 }
 354
 355 static
 356 VOID
 357 SpiStoreSzInt(PCWSTR pwszKey, PCWSTR pwszValue, INT iValue)
 358 {
 359     WCHAR awcBuffer[15];
 360
 361     _itow(iValue, awcBuffer, 10);
 362     RegWriteUserSetting(pwszKey,
 363                         pwszValue,
 364                         REG_SZ,
 365                         awcBuffer,
 366                         (wcslen(awcBuffer) + 1) * sizeof(WCHAR));
 367 }
 368
 369 static
 370 VOID
 371 SpiStoreMetric(LPCWSTR pwszValue, INT iValue)
 372 {
 373     SpiStoreSzInt(KEY_METRIC, pwszValue, METRIC2REG(iValue));
 374 }
 375
 376 static
 377 VOID
 378 SpiStoreFont(PCWSTR pwszValue, LOGFONTW* plogfont)
 379 {
 380     RegWriteUserSetting(KEY_METRIC,
 381                         pwszValue,
 382                         REG_BINARY,
 383                         plogfont,
 384                         sizeof(LOGFONTW));
 385 }
 386
 387
 388 /** Get/Set value *************************************************************/
 389
 390 // FIXME: get rid of the flags and only use this from um. kernel can access data directly.
 391 static
 392 UINT_PTR
 393 SpiMemCopy(PVOID pvDst, PVOID pvSrc, ULONG cbSize, BOOL bProtect, BOOL bToUser)
 394 {
 395     NTSTATUS Status = STATUS_SUCCESS;
 396
 397     if (bProtect)
 398     {
 399         _SEH2_TRY
 400         {
 401             if (bToUser)
 402             {
 403                 ProbeForWrite(pvDst, cbSize, 1);
 404             }
 405             else
 406             {
 407                 ProbeForRead(pvSrc, cbSize, 1);
 408             }
 409             memcpy(pvDst, pvSrc, cbSize);
 410         }
 411         _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
 412         {
 413             Status = _SEH2_GetExceptionCode();
 414         }
 415         _SEH2_END
 416     }
 417     else
 418     {
 419         memcpy(pvDst, pvSrc, cbSize);
 420     }
 421
 422     if (!NT_SUCCESS(Status))
 423     {
 424         SetLastNtError(Status);
 425         TRACE("SpiMemCopy failed, pvDst=%p, pvSrc=%p, bProtect=%d, bToUser=%d\n", pvDst, pvSrc, bProtect, bToUser);
 426     }
 427     return NT_SUCCESS(Status);
 428 }
 429
 430 static inline
 431 UINT_PTR
 432 SpiGet(PVOID pvParam, PVOID pvData, ULONG cbSize, FLONG fl)
 433 {
 434     REQ_INTERACTIVE_WINSTA(ERROR_ACCESS_DENIED);
 435     return SpiMemCopy(pvParam, pvData, cbSize, fl & SPIF_PROTECT, TRUE);
 436 }
 437
 438 static inline
 439 UINT_PTR
 440 SpiSet(PVOID pvData, PVOID pvParam, ULONG cbSize, FLONG fl)
 441 {
 442     REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
 443     return SpiMemCopy(pvData, pvParam, cbSize, fl & SPIF_PROTECT, FALSE);
 444 }
 445
 446 static inline
 447 UINT_PTR
 448 SpiGetEx(PVOID pvParam, PVOID pvData, ULONG cbSize, FLONG fl)
 449 {
 450     ULONG cbBufSize;
 451     /* Get the cbSite member from UM memory */
 452     if (!SpiSet(&cbBufSize, pvParam, sizeof(ULONG), fl))
 453         return 0;
 454     /* Verify the correct size */
 455     if (cbBufSize != cbSize)
 456         return 0;
 457     return SpiGet(pvParam, pvData, cbSize, fl);
 458 }
 459
 460 static inline
 461 UINT_PTR
 462 SpiGetInt(PVOID pvParam, PVOID piValue, FLONG fl)
 463 {
 464     return SpiGet(pvParam, piValue, sizeof(INT), fl);
 465 }
 466
 467 static inline
 468 UINT_PTR
 469 SpiSetYesNo(BOOL *pbData, BOOL bValue, PCWSTR pwszKey, PCWSTR pwszValue, FLONG fl)
 470 {
 471     REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
 472     *pbData = bValue ? TRUE : FALSE;
 473     if (fl & SPIF_UPDATEINIFILE)
 474     {
 475         SpiStoreSz(pwszKey, pwszValue, bValue ? L"Yes" : L"No");
 476     }
 477     return (UINT_PTR)pwszKey;
 478 }
 479
 480 static inline
 481 UINT_PTR
 482 SpiSetBool(BOOL *pbData, INT iValue, PCWSTR pwszKey, PCWSTR pwszValue, FLONG fl)
 483 {
 484     REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
 485     *pbData = iValue ? TRUE : FALSE;
 486     if (fl & SPIF_UPDATEINIFILE)
 487     {
 488         SpiStoreSzInt(pwszKey, pwszValue, iValue);
 489     }
 490     return (UINT_PTR)pwszKey;
 491 }
 492
 493 static inline
 494 UINT_PTR
 495 SpiSetDWord(PVOID pvData, INT iValue, PCWSTR pwszKey, PCWSTR pwszValue, FLONG fl)
 496 {
 497     REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
 498     *(INT*)pvData = iValue;
 499     if (fl & SPIF_UPDATEINIFILE)
 500     {
 501         SpiStoreDWord(pwszKey, pwszValue, iValue);
 502     }
 503     return (UINT_PTR)pwszKey;
 504 }
 505
 506 static inline
 507 UINT_PTR
 508 SpiSetInt(PVOID pvData, INT iValue, PCWSTR pwszKey, PCWSTR pwszValue, FLONG fl)
 509 {
 510     REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
 511     *(INT*)pvData = iValue;
 512     if (fl & SPIF_UPDATEINIFILE)
 513     {
 514         SpiStoreSzInt(pwszKey, pwszValue, iValue);
 515     }
 516     return (UINT_PTR)pwszKey;
 517 }
 518
 519 static inline
 520 UINT_PTR
 521 SpiSetMetric(PVOID pvData, INT iValue, PCWSTR pwszValue, FLONG fl)
 522 {
 523     REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
 524     *(INT*)pvData = iValue;
 525     if (fl & SPIF_UPDATEINIFILE)
 526     {
 527         SpiStoreMetric(pwszValue, iValue);
 528     }
 529     return (UINT_PTR)KEY_METRIC;
 530 }
 531
 532 static inline
 533 UINT_PTR
 534 SpiSetUserPref(DWORD dwMask, PVOID pvValue, FLONG fl)
 535 {
 536     DWORD dwRegMask;
 537     BOOL bValue = (BOOL)pvValue;
 538
 539     REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
 540
 541     /* Set or clear bit according to bValue */
 542     gspv.dwUserPrefMask = bValue ? gspv.dwUserPrefMask | dwMask :
 543                                    gspv.dwUserPrefMask & ~dwMask;
 544
 545     if (fl & SPIF_UPDATEINIFILE)
 546     {
 547         /* Read current value */
 548         RegReadUserSetting(KEY_DESKTOP,
 549                            VAL_USERPREFMASK,
 550                            REG_BINARY,
 551                            &dwRegMask,
 552                            sizeof(DWORD));
 553
 554         /* Set or clear bit according to bValue */
 555         dwRegMask = bValue ? dwRegMask | dwMask : dwRegMask & ~dwMask;
 556
 557         /* write back value */
 558         RegWriteUserSetting(KEY_DESKTOP,
 559                             VAL_USERPREFMASK,
 560                             REG_BINARY,
 561                             &dwRegMask,
 562                             sizeof(DWORD));
 563     }
 564
 565     return (UINT_PTR)KEY_DESKTOP;
 566 }
 567
 568 static inline
 569 UINT_PTR
 570 SpiGetUserPref(DWORD dwMask, PVOID pvParam, FLONG fl)
 571 {
 572     INT iValue = gspv.dwUserPrefMask & dwMask ? 1 : 0;
 573     return SpiGetInt(pvParam, &iValue, fl);
 574 }
 575
 576 static
 577 UINT_PTR
 578 SpiSetWallpaper(PVOID pvParam, FLONG fl)
 579 {
 580     UNICODE_STRING ustr;
 581     WCHAR awc[MAX_PATH];
 582     BOOL bResult;
 583     HBITMAP hbmp, hOldBitmap;
 584     SURFACE *psurfBmp;
 585     ULONG ulTile, ulStyle;
 586
 587     REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
 588
 589     if (!pvParam)
 590     {
 591         /* FIXME: Reset Wallpaper to registry value */
 592         return (UINT_PTR)KEY_DESKTOP;
 593     }
 594
 595     /* Capture UNICODE_STRING */
 596     bResult = SpiMemCopy(&ustr, pvParam, sizeof(UNICODE_STRING), fl & SPIF_PROTECT, 0);
 597     if (!bResult) return 0;
 598     if (ustr.Length > MAX_PATH * sizeof(WCHAR))
 599         return 0;
 600
 601     /* Copy the string buffer name */
 602     bResult = SpiMemCopy(gspv.awcWallpaper, ustr.Buffer, ustr.Length, fl & SPIF_PROTECT, 0);
 603     if (!bResult) return 0;
 604
 605     /* Update the UNICODE_STRING */
 606     gspv.ustrWallpaper.Buffer = gspv.awcWallpaper;
 607     gspv.ustrWallpaper.MaximumLength = MAX_PATH * sizeof(WCHAR);
 608     gspv.ustrWallpaper.Length = ustr.Length;
 609     gspv.awcWallpaper[ustr.Length / sizeof(WCHAR)] = 0;
 610
 611     TRACE("SpiSetWallpaper, name=%S\n", gspv.awcWallpaper);
 612
 613     /* Update registry */
 614     if (fl & SPIF_UPDATEINIFILE)
 615     {
 616         SpiStoreSz(KEY_DESKTOP, L"Wallpaper", gspv.awcWallpaper);
 617     }
 618
 619     /* Got a filename? */
 620     if (gspv.awcWallpaper[0] != 0)
 621     {
 622         /* Convert file name to nt file name */
 623         ustr.Buffer = awc;
 624         ustr.MaximumLength = MAX_PATH * sizeof(WCHAR);
 625         ustr.Length = 0;
 626         if (!W32kDosPathNameToNtPathName(gspv.awcWallpaper, &ustr))
 627         {
 628             ERR("RtlDosPathNameToNtPathName_U failed\n");
 629             return 0;
 630         }
 631
 632         /* Load the Bitmap */
 633         hbmp = UserLoadImage(ustr.Buffer);
 634         if (!hbmp)
 635         {
 636             ERR("UserLoadImage failed\n");
 637             return 0;
 638         }
 639
 640         /* Try to get the size of the wallpaper */
 641         if(!(psurfBmp = SURFACE_ShareLockSurface(hbmp)))
 642         {
 643             GreDeleteObject(hbmp);
 644             return 0;
 645         }
 646
 647         gpwinstaCurrent->cxWallpaper = psurfBmp->SurfObj.sizlBitmap.cx;
 648         gpwinstaCurrent->cyWallpaper = psurfBmp->SurfObj.sizlBitmap.cy;
 649         gpwinstaCurrent->WallpaperMode = wmCenter;
 650
 651         SURFACE_ShareUnlockSurface(psurfBmp);
 652
 653         /* Change the bitmap's ownership */
 654         GreSetObjectOwner(hbmp, GDI_OBJ_HMGR_PUBLIC);
 655
 656         /* Yes, Windows really loads the current setting from the registry. */
 657         ulTile = SpiLoadInt(KEY_DESKTOP, L"TileWallpaper", 0);
 658         ulStyle = SpiLoadInt(KEY_DESKTOP, L"WallpaperStyle", 0);
 659         TRACE("SpiSetWallpaper: ulTile=%ld, ulStyle=%d\n", ulTile, ulStyle);
 660
 661         /* Check the values we found in the registry */
 662         if(ulTile && !ulStyle)
 663         {
 664             gpwinstaCurrent->WallpaperMode = wmTile;
 665         }
 666         else if(!ulTile && ulStyle == 2)
 667         {
 668             gpwinstaCurrent->WallpaperMode = wmStretch;
 669         }
 670     }
 671     else
 672     {
 673         /* Remove wallpaper */
 674         gpwinstaCurrent->cxWallpaper = 0;
 675         gpwinstaCurrent->cyWallpaper = 0;
 676         hbmp = 0;
 677     }
 678
 679     /* Take care of the old wallpaper, if any */
 680     hOldBitmap = gpwinstaCurrent->hbmWallpaper;
 681     if(hOldBitmap != NULL)
 682     {
 683         /* Delete the old wallpaper */
 684         GreSetObjectOwner(hOldBitmap, GDI_OBJ_HMGR_POWNED);
 685         GreDeleteObject(hOldBitmap);
 686     }
 687
 688     /* Set the new wallpaper */
 689     gpwinstaCurrent->hbmWallpaper = hbmp;
 690
 691     NtUserRedrawWindow(UserGetShellWindow(), NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
 692
 693
 694     return (UINT_PTR)KEY_DESKTOP;
 695 }
 696
 697 static
 698 UINT_PTR
 699 SpiGetSet(UINT uiAction, UINT uiParam, PVOID pvParam, FLONG fl)
 700 {
 701     switch (uiAction)
 702     {
 703         case SPI_GETBEEP:
 704             return SpiGetInt(pvParam, &gspv.bBeep, fl);
 705
 706         case SPI_SETBEEP:
 707             return SpiSetYesNo(&gspv.bBeep, uiParam, KEY_SOUND, VAL_BEEP, fl);
 708
 709         case SPI_GETMOUSE:
 710             return SpiGet(pvParam, &gspv.caiMouse, 3 * sizeof(INT), fl);
 711
 712         case SPI_SETMOUSE:
 713             if (!SpiSet(&gspv.caiMouse, pvParam, 3 * sizeof(INT), fl))
 714                 return 0;
 715             if (fl & SPIF_UPDATEINIFILE)
 716             {
 717                 SpiStoreSzInt(KEY_MOUSE, VAL_MOUSE1, gspv.caiMouse.FirstThreshold);
 718                 SpiStoreSzInt(KEY_MOUSE, VAL_MOUSE2, gspv.caiMouse.SecondThreshold);
 719                 SpiStoreSzInt(KEY_MOUSE, VAL_MOUSE3, gspv.caiMouse.Acceleration);
 720             }
 721             return (UINT_PTR)KEY_MOUSE;
 722
 723         case SPI_GETBORDER:
 724             return SpiGetInt(pvParam, &gspv.ncm.iBorderWidth, fl);
 725
 726         case SPI_SETBORDER:
 727             uiParam = max(uiParam, 1);
 728             return SpiSetInt(&gspv.ncm.iBorderWidth, uiParam, KEY_METRIC, VAL_BORDER, fl);
 729
 730         case SPI_GETKEYBOARDSPEED:
 731             return SpiGetInt(pvParam, &gspv.dwKbdSpeed, fl);
 732
 733         case SPI_SETKEYBOARDSPEED:
 734             return SpiSetInt(&gspv.dwKbdSpeed, uiParam, KEY_KBD, VAL_KBDSPD, fl);
 735
 736         case SPI_LANGDRIVER:
 737             ERR("SPI_LANGDRIVER is unimplemented\n");
 738             break;
 739
 740         case SPI_GETSCREENSAVETIMEOUT:
 741             return SpiGetInt(pvParam, &gspv.iScrSaverTimeout, fl);
 742
 743         case SPI_SETSCREENSAVETIMEOUT:
 744             return SpiSetInt(&gspv.iScrSaverTimeout, uiParam, KEY_DESKTOP, VAL_SCRTO, fl);
 745
 746         case SPI_GETSCREENSAVEACTIVE:
 747             return SpiGetInt(pvParam, &gspv.bScrSaverActive, fl);
 748
 749         case SPI_SETSCREENSAVEACTIVE:
 750             return SpiSetInt(&gspv.bScrSaverActive, uiParam, KEY_DESKTOP, VAL_SCRACT, fl);
 751
 752         case SPI_GETGRIDGRANULARITY:
 753             return SpiGetInt(pvParam, &gspv.uiGridGranularity, fl);
 754
 755         case SPI_SETGRIDGRANULARITY:
 756             return SpiSetInt(&gspv.uiGridGranularity, uiParam, KEY_DESKTOP, VAL_GRID, fl);
 757
 758         case SPI_GETDESKWALLPAPER:
 759             uiParam = min(uiParam, gspv.ustrWallpaper.Length + 1);
 760             return SpiGet(pvParam, gspv.awcWallpaper, uiParam, fl);
 761
 762         case SPI_SETDESKWALLPAPER:
 763             return SpiSetWallpaper(pvParam, fl);
 764
 765         case SPI_SETDESKPATTERN:
 766             ERR("SPI_SETDESKPATTERN is unimplemented\n");
 767             break;
 768
 769         case SPI_GETKEYBOARDDELAY:
 770             return SpiGetInt(pvParam, &gspv.iKbdDelay, fl);
 771
 772         case SPI_SETKEYBOARDDELAY:
 773             return SpiSetInt(&gspv.iKbdDelay, uiParam, KEY_KBD, VAL_KBDDELAY, fl);
 774
 775         case SPI_ICONHORIZONTALSPACING:
 776             if (pvParam)
 777             {
 778                 return SpiGetInt(pvParam, &gspv.im.iHorzSpacing, fl);
 779             }
 780             uiParam = max(uiParam, 32);
 781             return SpiSetMetric(&gspv.im.iHorzSpacing, uiParam, VAL_ICONSPC, fl);
 782
 783         case SPI_ICONVERTICALSPACING:
 784             if (pvParam)
 785             {
 786                 return SpiGetInt(pvParam, &gspv.im.iVertSpacing, fl);
 787             }
 788             uiParam = max(uiParam, 32);
 789             return SpiSetMetric(&gspv.im.iVertSpacing, uiParam, VAL_ICONVSPC, fl);
 790
 791         case SPI_GETICONTITLEWRAP:
 792             return SpiGetInt(pvParam, &gspv.im.iTitleWrap, fl);
 793
 794         case SPI_SETICONTITLEWRAP:
 795             return SpiSetInt(&gspv.im.iTitleWrap, uiParam, KEY_METRIC, VAL_ITWRAP, fl);
 796
 797         case SPI_GETMENUDROPALIGNMENT:
 798             return SpiGetInt(pvParam, &gspv.bMenuDropAlign, fl);
 799
 800         case SPI_SETMENUDROPALIGNMENT:
 801             return SpiSetBool(&gspv.bMenuDropAlign, uiParam, KEY_MDALIGN, VAL_MDALIGN, fl);
 802
 803         case SPI_SETDOUBLECLKWIDTH:
 804             return SpiSetInt(&gspv.iDblClickWidth, uiParam, KEY_MOUSE, VAL_DBLCLKWIDTH, fl);
 805
 806         case SPI_SETDOUBLECLKHEIGHT:
 807             return SpiSetInt(&gspv.iDblClickHeight, uiParam, KEY_MOUSE, VAL_DBLCLKHEIGHT, fl);
 808
 809         case SPI_GETICONTITLELOGFONT:
 810             return SpiGet(pvParam, &gspv.im.lfFont, sizeof(LOGFONTW), fl);
 811
 812         case SPI_SETICONTITLELOGFONT:
 813             if (!SpiSet(&gspv.im.lfFont, pvParam, sizeof(LOGFONTW), fl))
 814                 return 0;
 815             if (fl & SPIF_UPDATEINIFILE)
 816             {
 817                 SpiStoreFont(L"IconFont", &gspv.im.lfFont);
 818              }
 819             return (UINT_PTR)KEY_METRIC;
 820
 821         case SPI_SETDOUBLECLICKTIME:
 822             return SpiSetInt(&gspv.iDblClickTime, uiParam, KEY_MOUSE, VAL_DBLCLKTIME, fl);
 823
 824         case SPI_SETMOUSEBUTTONSWAP:
 825             return SpiSetInt(&gspv.bMouseBtnSwap, uiParam, KEY_MOUSE, VAL_SWAP, fl);
 826
 827         case SPI_GETFASTTASKSWITCH:
 828             return SpiGetInt(pvParam, &gspv.bFastTaskSwitch, fl);
 829
 830         case SPI_SETFASTTASKSWITCH:
 831             /* According to Winetest this one is unimplemented */
 832             return 0;
 833
 834         case SPI_GETDRAGFULLWINDOWS:
 835             return SpiGetInt(pvParam, &gspv.bDragFullWindows, fl);
 836
 837         case SPI_SETDRAGFULLWINDOWS:
 838             return SpiSetInt(&gspv.bDragFullWindows, uiParam, KEY_DESKTOP, VAL_DRAG, fl);
 839
 840         case SPI_GETNONCLIENTMETRICS:
 841             return SpiGet(pvParam, &gspv.ncm, sizeof(NONCLIENTMETRICSW), fl);
 842
 843         case SPI_SETNONCLIENTMETRICS:
 844             if (!SpiSet(&gspv.ncm, pvParam, sizeof(NONCLIENTMETRICSW), fl))
 845                 return 0;
 846             if (fl & SPIF_UPDATEINIFILE)
 847             {
 848                 SpiStoreMetric(VAL_BORDER, gspv.ncm.iBorderWidth);
 849                 SpiStoreMetric(L"ScrollWidth", gspv.ncm.iScrollWidth);
 850                 SpiStoreMetric(L"ScrollHeight", gspv.ncm.iScrollHeight);
 851                 SpiStoreMetric(L"CaptionWidth", gspv.ncm.iCaptionWidth);
 852                 SpiStoreMetric(L"CaptionHeight", gspv.ncm.iCaptionHeight);
 853                 SpiStoreMetric(L"SmCaptionWidth", gspv.ncm.iSmCaptionWidth);
 854                 SpiStoreMetric(L"SmCaptionHeight", gspv.ncm.iSmCaptionHeight);
 855                 SpiStoreMetric(L"MenuWidth", gspv.ncm.iMenuWidth);
 856                 SpiStoreMetric(L"MenuHeight", gspv.ncm.iMenuHeight);
 857 #if (WINVER >= 0x0600)
 858                 SpiStoreMetric(L"PaddedBorderWidth", gspv.ncm.iPaddedBorderWidth);
 859 #endif
 860                 SpiStoreFont(L"CaptionFont", &gspv.ncm.lfCaptionFont);
 861                 SpiStoreFont(L"SmCaptionFont", &gspv.ncm.lfSmCaptionFont);
 862                 SpiStoreFont(L"MenuFont", &gspv.ncm.lfMenuFont);
 863                 SpiStoreFont(L"StatusFont", &gspv.ncm.lfStatusFont);
 864                 SpiStoreFont(L"MessageFont", &gspv.ncm.lfMessageFont);
 865             }
 866             return (UINT_PTR)KEY_METRIC;
 867
 868         case SPI_GETMINIMIZEDMETRICS:
 869             return SpiGet(pvParam, &gspv.mm, sizeof(MINIMIZEDMETRICS), fl);
 870
 871         case SPI_SETMINIMIZEDMETRICS:
 872             if (!SpiSet(&gspv.mm, pvParam, sizeof(MINIMIZEDMETRICS), fl))
 873                 return 0;
 874             gspv.mm.iWidth = max(0, gspv.mm.iWidth);
 875             gspv.mm.iHorzGap = max(0, gspv.mm.iHorzGap);
 876             gspv.mm.iVertGap = max(0, gspv.mm.iVertGap);
 877             gspv.mm.iArrange = gspv.mm.iArrange & 0xf;
 878             if (fl & SPIF_UPDATEINIFILE)
 879             {
 880                 SpiStoreMetric(L"MinWidth", gspv.mm.iWidth);
 881                 SpiStoreMetric(L"MinHorzGap", gspv.mm.iHorzGap);
 882                 SpiStoreMetric(L"MinVertGap", gspv.mm.iVertGap);
 883                 SpiStoreMetric(L"MinArrange", gspv.mm.iArrange);
 884             }
 885             return (UINT_PTR)KEY_METRIC;
 886
 887         case SPI_GETICONMETRICS:
 888             return SpiGet(pvParam, &gspv.im, sizeof(ICONMETRICS), fl);
 889
 890         case SPI_SETICONMETRICS:
 891             if (!SpiSet(&gspv.im, pvParam, sizeof(ICONMETRICS), fl))
 892                 return 0;
 893             if (fl & SPIF_UPDATEINIFILE)
 894             {
 895                 SpiStoreMetric(VAL_ICONSPC, gspv.im.iHorzSpacing);
 896                 SpiStoreMetric(VAL_ICONVSPC, gspv.im.iVertSpacing);
 897                 SpiStoreMetric(VAL_ITWRAP, gspv.im.iTitleWrap);
 898                 SpiStoreFont(L"IconFont", &gspv.im.lfFont);
 899             }
 900             return (UINT_PTR)KEY_METRIC;
 901
 902         case SPI_GETWORKAREA:
 903         {
 904             PMONITOR pmonitor = IntGetPrimaryMonitor();
 905
 906             if(!pmonitor)
 907                 return 0;
 908
 909             return SpiGet(pvParam, &pmonitor->rcWork, sizeof(RECTL), fl);
 910         }
 911
 912         case SPI_SETWORKAREA:
 913         {
 914             /*FIXME: we should set the work area of the monitor
 915                      that contains the specified rectangle*/
 916             PMONITOR pmonitor = IntGetPrimaryMonitor();
 917             RECT rcWorkArea;
 918
 919             if(!pmonitor)
 920                 return 0;
 921
 922             if (!SpiSet(&rcWorkArea, pvParam, sizeof(RECTL), fl))
 923                 return 0;
 924
 925             /* Verify the new values */
 926             if (rcWorkArea.left < 0 ||
 927                 rcWorkArea.top < 0 ||
 928                 rcWorkArea.right > gpsi->aiSysMet[SM_CXSCREEN] ||
 929                 rcWorkArea.bottom > gpsi->aiSysMet[SM_CYSCREEN] ||
 930                 rcWorkArea.right <= rcWorkArea.left ||
 931                 rcWorkArea.bottom <= rcWorkArea.top)
 932                 return 0;
 933
 934             pmonitor->rcWork = rcWorkArea;
 935             if (fl & SPIF_UPDATEINIFILE)
 936             {
 937                 // FIXME: what to do?
 938             }
 939             return (UINT_PTR)KEY_DESKTOP;
 940         }
 941
 942         case SPI_SETPENWINDOWS:
 943             ERR("SPI_SETPENWINDOWS is unimplemented\n");
 944             break;
 945
 946         case SPI_GETFILTERKEYS:
 947             return SpiGet(pvParam, &gspv.filterkeys, sizeof(FILTERKEYS), fl);
 948
 949         case SPI_SETFILTERKEYS:
 950             if (!SpiSet(&gspv.filterkeys, pvParam, sizeof(FILTERKEYS), fl))
 951                 return 0;
 952             if (fl & SPIF_UPDATEINIFILE)
 953             {
 954                 // FIXME: what to do?
 955             }
 956             return (UINT_PTR)KEY_DESKTOP;
 957
 958         case SPI_GETTOGGLEKEYS:
 959             return SpiGet(pvParam, &gspv.togglekeys, sizeof(TOGGLEKEYS), fl);
 960
 961         case SPI_SETTOGGLEKEYS:
 962             if (!SpiSet(&gspv.togglekeys, pvParam, sizeof(TOGGLEKEYS), fl))
 963                 return 0;
 964             if (fl & SPIF_UPDATEINIFILE)
 965             {
 966                 // FIXME: what to do?
 967             }
 968             return (UINT_PTR)KEY_DESKTOP;
 969
 970         case SPI_GETMOUSEKEYS:
 971             return SpiGet(pvParam, &gspv.mousekeys, sizeof(MOUSEKEYS), fl);
 972
 973         case SPI_SETMOUSEKEYS:
 974             if (!SpiSet(&gspv.mousekeys, pvParam, sizeof(MOUSEKEYS), fl))
 975                 return 0;
 976             if (fl & SPIF_UPDATEINIFILE)
 977             {
 978                 // FIXME: what to do?
 979             }
 980             return (UINT_PTR)KEY_DESKTOP;
 981
 982         case SPI_GETSHOWSOUNDS:
 983             return SpiGetInt(pvParam, &gspv.bShowSounds, fl);
 984
 985         case SPI_SETSHOWSOUNDS:
 986             return SpiSetBool(&gspv.bShowSounds, uiParam, KEY_SHOWSNDS, VAL_ON, fl);
 987
 988         case SPI_GETSTICKYKEYS:
 989             if (uiParam != sizeof(STICKYKEYS))
 990                 return 0;
 991             return SpiGetEx(pvParam, &gspv.stickykeys, sizeof(STICKYKEYS), fl);
 992
 993         case SPI_SETSTICKYKEYS:
 994             if (!SpiSet(&gspv.stickykeys, pvParam, sizeof(STICKYKEYS), fl))
 995                 return 0;
 996             if (fl & SPIF_UPDATEINIFILE)
 997             {
 998                 // FIXME: what to do?
 999             }
1000             return (UINT_PTR)KEY_DESKTOP;
1001
1002         case SPI_GETACCESSTIMEOUT:
1003             if (uiParam != 0 && uiParam != sizeof(ACCESSTIMEOUT))
1004                 return 0;
1005             return SpiGetEx(pvParam, &gspv.accesstimeout, sizeof(ACCESSTIMEOUT), fl);
1006
1007         case SPI_SETACCESSTIMEOUT:
1008             if (!SpiSet(&gspv.accesstimeout, pvParam, sizeof(ACCESSTIMEOUT), fl))
1009                 return 0;
1010             if (fl & SPIF_UPDATEINIFILE)
1011             {
1012                 // FIXME: what to do?
1013             }
1014             return (UINT_PTR)KEY_DESKTOP;
1015
1016         case SPI_GETSERIALKEYS:
1017             return SpiGet(pvParam, &gspv.serialkeys, sizeof(SERIALKEYS), fl);
1018
1019         case SPI_SETSERIALKEYS:
1020             if (!SpiSet(&gspv.serialkeys, pvParam, sizeof(SERIALKEYS), fl))
1021                 return 0;
1022             if (fl & SPIF_UPDATEINIFILE)
1023             {
1024                 // FIXME: what to do?
1025             }
1026             return (UINT_PTR)KEY_DESKTOP;
1027
1028         case SPI_GETSOUNDSENTRY:
1029             return SpiGet(pvParam, &gspv.soundsentry, sizeof(SOUNDSENTRY), fl);
1030
1031         case SPI_SETSOUNDSENTRY:
1032             if (!SpiSet(&gspv.soundsentry, pvParam, sizeof(SOUNDSENTRY), fl))
1033                 return 0;
1034             if (fl & SPIF_UPDATEINIFILE)
1035             {
1036                 // FIXME: what to do?
1037             }
1038             return (UINT_PTR)KEY_DESKTOP;
1039
1040         case SPI_GETHIGHCONTRAST:
1041             return SpiGet(pvParam, &gspv.highcontrast, sizeof(HIGHCONTRAST), fl);
1042
1043         case SPI_SETHIGHCONTRAST:
1044             if (!SpiSet(&gspv.highcontrast, pvParam, sizeof(HIGHCONTRAST), fl))
1045                 return 0;
1046             if (fl & SPIF_UPDATEINIFILE)
1047             {
1048                 // FIXME: what to do?
1049             }
1050             return (UINT_PTR)KEY_DESKTOP;
1051
1052         case SPI_GETKEYBOARDPREF:
1053             return SpiGetInt(pvParam, &gspv.bKbdPref, fl);
1054
1055         case SPI_SETKEYBOARDPREF:
1056             return SpiSetBool(&gspv.bKbdPref, uiParam, KEY_KDBPREF, VAL_ON, fl);
1057
1058         case SPI_GETSCREENREADER:
1059             return SpiGetInt(pvParam, &gspv.bScreenReader, fl);
1060
1061         case SPI_SETSCREENREADER:
1062             return SpiSetBool(&gspv.bScreenReader, uiParam, KEY_SCRREAD, VAL_ON, fl);
1063
1064         case SPI_GETANIMATION:
1065             return SpiGet(pvParam, &gspv.animationinfo, sizeof(ANIMATIONINFO), fl);
1066
1067         case SPI_SETANIMATION:
1068             if (!SpiSet(&gspv.animationinfo, pvParam, sizeof(ANIMATIONINFO), fl))
1069                 return 0;
1070             if (fl & SPIF_UPDATEINIFILE)
1071             {
1072                 // FIXME: what to do?
1073             }
1074             return (UINT_PTR)KEY_DESKTOP;
1075
1076         case SPI_GETFONTSMOOTHING:
1077             return SpiGetInt(pvParam, &gspv.bFontSmoothing, fl);
1078
1079         case SPI_SETFONTSMOOTHING:
1080             gspv.bFontSmoothing = uiParam ? TRUE : FALSE;
1081             if (fl & SPIF_UPDATEINIFILE)
1082             {
1083                 SpiStoreSzInt(KEY_DESKTOP, VAL_FNTSMOOTH, uiParam ? 2 : 0);
1084             }
1085             return (UINT_PTR)KEY_DESKTOP;
1086
1087         case SPI_SETDRAGWIDTH:
1088             return SpiSetInt(&gspv.iDragWidth, uiParam, KEY_DESKTOP, VAL_DRAGWIDTH, fl);
1089
1090         case SPI_SETDRAGHEIGHT:
1091             return SpiSetInt(&gspv.iDragHeight, uiParam, KEY_DESKTOP, VAL_DRAGHEIGHT, fl);
1092
1093         case SPI_SETHANDHELD:
1094             return SpiSetBool(&gspv.bHandHeld, uiParam, KEY_DESKTOP, L"HandHeld", fl);
1095
1096         case SPI_GETLOWPOWERTIMEOUT:
1097             return SpiGetInt(pvParam, &gspv.iLowPwrTimeout, fl);
1098
1099         case SPI_GETPOWEROFFTIMEOUT:
1100             return SpiGetInt(pvParam, &gspv.iPwrOffTimeout, fl);
1101
1102         case SPI_SETLOWPOWERTIMEOUT:
1103             return SpiSetInt(&gspv.iLowPwrTimeout, uiParam, KEY_DESKTOP, L"LowPowerTimeOut", fl);
1104
1105         case SPI_SETPOWEROFFTIMEOUT:
1106             return SpiSetInt(&gspv.iPwrOffTimeout, uiParam, KEY_DESKTOP, L"PowerOffTimeOut", fl);
1107
1108         case SPI_GETLOWPOWERACTIVE:
1109             return SpiGetInt(pvParam, &gspv.iPwrOffTimeout, fl);
1110
1111         case SPI_GETPOWEROFFACTIVE:
1112             return SpiGetInt(pvParam, &gspv.bPwrOffActive, fl);
1113
1114         case SPI_SETLOWPOWERACTIVE:
1115             return SpiSetBool(&gspv.bLowPwrActive, uiParam, KEY_DESKTOP, L"LowPowerActive", fl);
1116
1117         case SPI_SETPOWEROFFACTIVE:
1118             return SpiSetBool(&gspv.bPwrOffActive, uiParam, KEY_DESKTOP, L"PowerOffActive", fl);
1119
1120         case SPI_SETCURSORS:
1121             ERR("SPI_SETCURSORS is unimplemented\n");
1122             break;
1123
1124         case SPI_SETICONS:
1125             ERR("SPI_SETICONS is unimplemented\n");
1126             break;
1127
1128         case SPI_GETDEFAULTINPUTLANG:
1129             ERR("SPI_GETDEFAULTINPUTLANG is unimplemented\n");
1130             break;
1131
1132         case SPI_SETDEFAULTINPUTLANG:
1133             ERR("SPI_SETDEFAULTINPUTLANG is unimplemented\n");
1134             break;
1135
1136         case SPI_SETLANGTOGGLE:
1137             ERR("SPI_SETLANGTOGGLE is unimplemented\n");
1138             break;
1139
1140         case SPI_GETWINDOWSEXTENSION:
1141             ERR("SPI_GETWINDOWSEXTENSION is unimplemented\n");
1142             break;
1143
1144         case SPI_GETMOUSETRAILS:
1145             return SpiGetInt(pvParam, &gspv.iMouseTrails, fl);
1146
1147         case SPI_SETMOUSETRAILS:
1148             return SpiSetInt(&gspv.iMouseTrails, uiParam, KEY_MOUSE, VAL_MOUSETRAILS, fl);
1149
1150         case SPI_GETSNAPTODEFBUTTON:
1151             return SpiGetInt(pvParam, &gspv.bSnapToDefBtn, fl);
1152
1153         case SPI_SETSNAPTODEFBUTTON:
1154             return SpiSetBool(&gspv.bSnapToDefBtn, uiParam, KEY_MOUSE, VAL_SNAPDEFBTN, fl);
1155
1156         case SPI_GETMOUSEHOVERWIDTH:
1157             return SpiGetInt(pvParam, &gspv.iMouseHoverWidth, fl);
1158
1159         case SPI_SETMOUSEHOVERWIDTH:
1160             return SpiSetInt(&gspv.iMouseHoverWidth, uiParam, KEY_MOUSE, VAL_HOVERWIDTH, fl);
1161
1162         case SPI_GETMOUSEHOVERHEIGHT:
1163             return SpiGetInt(pvParam, &gspv.iMouseHoverHeight, fl);
1164
1165         case SPI_SETMOUSEHOVERHEIGHT:
1166             return SpiSetInt(&gspv.iMouseHoverHeight, uiParam, KEY_MOUSE, VAL_HOVERHEIGHT, fl);
1167
1168         case SPI_GETMOUSEHOVERTIME:
1169             return SpiGetInt(pvParam, &gspv.iMouseHoverTime, fl);
1170
1171         case SPI_SETMOUSEHOVERTIME:
1172            /* see http://msdn2.microsoft.com/en-us/library/ms724947.aspx
1173             * copy text from it, if some agument why xp and 2003 behovir diffent
1174             * only if they do not have SP install
1175             * " Windows Server 2003 and Windows XP: The operating system does not
1176             *   enforce the use of USER_TIMER_MAXIMUM and USER_TIMER_MINIMUM until
1177             *   Windows Server 2003 SP1 and Windows XP SP2 "
1178             */
1179             return SpiSetInt(&gspv.iMouseHoverTime, uiParam, KEY_MOUSE, VAL_HOVERTIME, fl);
1180
1181         case SPI_GETWHEELSCROLLLINES:
1182             return SpiGetInt(pvParam, &gspv.iWheelScrollLines, fl);
1183
1184         case SPI_SETWHEELSCROLLLINES:
1185             return SpiSetInt(&gspv.iWheelScrollLines, uiParam, KEY_DESKTOP, VAL_SCRLLLINES, fl);
1186
1187         case SPI_GETMENUSHOWDELAY:
1188             return SpiGetInt(pvParam, &gspv.dwMenuShowDelay, fl);
1189
1190         case SPI_SETMENUSHOWDELAY:
1191             return SpiSetInt(&gspv.dwMenuShowDelay, uiParam, KEY_DESKTOP, L"MenuShowDelay", fl);
1192
1193 #if (_WIN32_WINNT >= 0x0600)
1194         case SPI_GETWHEELSCROLLCHARS:
1195             return SpiGetInt(pvParam, &gspv.uiWheelScrollChars, fl);
1196
1197         case SPI_SETWHEELSCROLLCHARS:
1198             return SpiSetInt(&gspv.uiWheelScrollChars, uiParam, KEY_DESKTOP, VAL_SCRLLCHARS, fl);
1199 #endif
1200         case SPI_GETSHOWIMEUI:
1201             return SpiGetInt(pvParam, &gspv.bShowImeUi, fl);
1202
1203         case SPI_SETSHOWIMEUI:
1204             return SpiSetBool(&gspv.bShowImeUi, uiParam, KEY_DESKTOP, L"", fl);
1205
1206         case SPI_GETMOUSESPEED:
1207             return SpiGetInt(pvParam, &gspv.iMouseSpeed, fl);
1208
1209         case SPI_SETMOUSESPEED:
1210             // vgl SETMOUSE
1211             return SpiSetInt(&gspv.iMouseSpeed, uiParam, KEY_MOUSE, VAL_MOUSE3, fl);
1212
1213         case SPI_GETSCREENSAVERRUNNING:
1214             return SpiGetInt(pvParam, &gspv.bScrSaverRunning, fl);
1215
1216         case SPI_SETSCREENSAVERRUNNING:
1217             // FIXME: also return value?
1218             return SpiSetBool(&gspv.bScrSaverRunning, uiParam, KEY_MOUSE, L"", fl);
1219
1220 #if(WINVER >= 0x0600)
1221         case SPI_GETAUDIODESCRIPTION:
1222             return SpiGet(pvParam, &gspv.audiodesription, sizeof(AUDIODESCRIPTION), fl);
1223
1224         case SPI_SETAUDIODESCRIPTION:
1225             ERR("SPI_SETAUDIODESCRIPTION is unimplemented\n");
1226             break;
1227
1228         case SPI_GETSCREENSAVESECURE:
1229             return SpiGetInt(pvParam, &gspv.bScrSaverSecure, fl);
1230
1231         case SPI_SETSCREENSAVESECURE:
1232             return SpiSetBool(&gspv.bScrSaverSecure, uiParam, KEY_DESKTOP, L"ScreenSaverIsSecure", fl);
1233 #endif
1234
1235         case SPI_GETACTIVEWINDOWTRACKING:
1236             return SpiGetUserPref(UPM_ACTIVEWINDOWTRACKING, pvParam, fl);
1237
1238         case SPI_SETACTIVEWINDOWTRACKING:
1239             return SpiSetUserPref(UPM_ACTIVEWINDOWTRACKING, pvParam, fl);
1240
1241         case SPI_GETMENUANIMATION:
1242             return SpiGetUserPref(UPM_MENUANIMATION, pvParam, fl);
1243
1244         case SPI_SETMENUANIMATION:
1245             return SpiSetUserPref(UPM_MENUANIMATION, pvParam, fl);
1246
1247         case SPI_GETCOMBOBOXANIMATION:
1248             return SpiGetUserPref(UPM_COMBOBOXANIMATION, pvParam, fl);
1249
1250         case SPI_SETCOMBOBOXANIMATION:
1251             return SpiSetUserPref(UPM_COMBOBOXANIMATION, pvParam, fl);
1252
1253         case SPI_GETLISTBOXSMOOTHSCROLLING:
1254             return SpiGetUserPref(UPM_LISTBOXSMOOTHSCROLLING, pvParam, fl);
1255
1256         case SPI_SETLISTBOXSMOOTHSCROLLING:
1257             return SpiSetUserPref(UPM_LISTBOXSMOOTHSCROLLING, pvParam, fl);
1258
1259         case SPI_GETGRADIENTCAPTIONS:
1260             return SpiGetUserPref(UPM_GRADIENTCAPTIONS, pvParam, fl);
1261
1262         case SPI_SETGRADIENTCAPTIONS:
1263             return SpiSetUserPref(UPM_GRADIENTCAPTIONS, pvParam, fl);
1264
1265         case SPI_GETKEYBOARDCUES:
1266             return SpiGetUserPref(UPM_KEYBOARDCUES, pvParam, fl);
1267
1268         case SPI_SETKEYBOARDCUES:
1269             return SpiSetUserPref(UPM_KEYBOARDCUES, pvParam, fl);
1270
1271         case SPI_GETACTIVEWNDTRKZORDER:
1272             return SpiGetUserPref(UPM_ACTIVEWNDTRKZORDER, pvParam, fl);
1273
1274         case SPI_SETACTIVEWNDTRKZORDER:
1275             return SpiSetUserPref(UPM_ACTIVEWNDTRKZORDER, pvParam, fl);
1276
1277         case SPI_GETHOTTRACKING:
1278             return SpiGetUserPref(UPM_HOTTRACKING, pvParam, fl);
1279
1280         case SPI_SETHOTTRACKING:
1281             return SpiSetUserPref(UPM_HOTTRACKING, pvParam, fl);
1282
1283         case SPI_GETMENUFADE:
1284             return SpiGetUserPref(UPM_MENUFADE, pvParam, fl);
1285
1286         case SPI_SETMENUFADE:
1287             return SpiSetUserPref(UPM_MENUFADE, pvParam, fl);
1288
1289         case SPI_GETSELECTIONFADE:
1290             return SpiGetUserPref(UPM_SELECTIONFADE, pvParam, fl);
1291
1292         case SPI_SETSELECTIONFADE:
1293             return SpiSetUserPref(UPM_SELECTIONFADE, pvParam, fl);
1294
1295         case SPI_GETTOOLTIPANIMATION:
1296             return SpiGetUserPref(UPM_TOOLTIPANIMATION, pvParam, fl);
1297
1298         case SPI_SETTOOLTIPANIMATION:
1299             return SpiSetUserPref(UPM_TOOLTIPANIMATION, pvParam, fl);
1300
1301         case SPI_GETTOOLTIPFADE:
1302             return SpiGetUserPref(UPM_TOOLTIPFADE, pvParam, fl);
1303
1304         case SPI_SETTOOLTIPFADE:
1305             return SpiSetUserPref(UPM_TOOLTIPFADE, pvParam, fl);
1306
1307         case SPI_GETCURSORSHADOW:
1308             return SpiGetUserPref(UPM_CURSORSHADOW, pvParam, fl);
1309
1310         case SPI_SETCURSORSHADOW:
1311             gspv.bMouseCursorShadow = (BOOL)pvParam;
1312             return SpiSetUserPref(UPM_CURSORSHADOW, pvParam, fl);
1313
1314         case SPI_GETUIEFFECTS:
1315             return SpiGetUserPref(UPM_UIEFFECTS, pvParam, fl);
1316
1317         case SPI_SETUIEFFECTS:
1318             return SpiSetUserPref(UPM_UIEFFECTS, pvParam, fl);
1319
1320         case SPI_GETMOUSESONAR:
1321             return SpiGetInt(pvParam, &gspv.bMouseSonar, fl);
1322
1323         case SPI_SETMOUSESONAR:
1324             return SpiSetBool(&gspv.bMouseSonar, uiParam, KEY_MOUSE, L"", fl);
1325
1326         case SPI_GETMOUSECLICKLOCK:
1327             return SpiGetUserPref(UPM_CLICKLOCK, pvParam, fl);
1328
1329         case SPI_SETMOUSECLICKLOCK:
1330             gspv.bMouseClickLock = (BOOL)pvParam;
1331             return SpiSetUserPref(UPM_CLICKLOCK, pvParam, fl);
1332
1333         case SPI_GETMOUSEVANISH:
1334             return SpiGetInt(pvParam, &gspv.bMouseVanish, fl);
1335
1336         case SPI_SETMOUSEVANISH:
1337             return SpiSetBool(&gspv.bMouseVanish, uiParam, KEY_MOUSE, L"", fl);
1338
1339         case SPI_GETFLATMENU:
1340             return SpiGetInt(pvParam, &gspv.bFlatMenu, fl);
1341
1342         case SPI_SETFLATMENU:
1343             return SpiSetBool(&gspv.bFlatMenu, uiParam, KEY_MOUSE, L"", fl);
1344
1345         case SPI_GETDROPSHADOW:
1346             return SpiGetInt(pvParam, &gspv.bDropShadow, fl);
1347
1348         case SPI_SETDROPSHADOW:
1349             return SpiSetBool(&gspv.bDropShadow, uiParam, KEY_MOUSE, L"", fl);
1350
1351         case SPI_GETBLOCKSENDINPUTRESETS:
1352             return SpiGetInt(pvParam, &gspv.bBlockSendInputResets, fl);
1353
1354         case SPI_SETBLOCKSENDINPUTRESETS:
1355             return SpiSetBool(&gspv.bBlockSendInputResets, uiParam, KEY_MOUSE, L"", fl);
1356
1357 #if(_WIN32_WINNT >= 0x0600)
1358         case SPI_GETDISABLEOVERLAPPEDCONTENT:
1359             return SpiGetInt(pvParam, &gspv.bDisableOverlappedContent, fl);
1360
1361         case SPI_SETDISABLEOVERLAPPEDCONTENT:
1362             return SpiSetBool(&gspv.bDisableOverlappedContent, uiParam, KEY_MOUSE, L"", fl);
1363
1364         case SPI_GETCLIENTAREAANIMATION:
1365             return SpiGetInt(pvParam, &gspv.bClientAnimation, fl);
1366
1367         case SPI_SETCLIENTAREAANIMATION:
1368             return SpiSetBool(&gspv.bClientAnimation, uiParam, KEY_MOUSE, L"", fl);
1369
1370         case SPI_GETCLEARTYPE:
1371             return SpiGetInt(pvParam, &gspv.bClearType, fl);
1372
1373         case SPI_SETCLEARTYPE:
1374             return SpiSetBool(&gspv.bClearType, uiParam, KEY_MOUSE, L"", fl);
1375
1376         case SPI_GETSPEECHRECOGNITION:
1377             return SpiGetInt(pvParam, &gspv.bSpeechRecognition, fl);
1378
1379         case SPI_SETSPEECHRECOGNITION:
1380             return SpiSetBool(&gspv.bSpeechRecognition, uiParam, KEY_MOUSE, L"", fl);
1381 #endif
1382
1383         case SPI_GETFOREGROUNDLOCKTIMEOUT:
1384             return SpiGetInt(pvParam, &gspv.dwForegroundLockTimeout, fl);
1385
1386         case SPI_SETFOREGROUNDLOCKTIMEOUT:
1387             return SpiSetInt(&gspv.dwForegroundLockTimeout, uiParam, KEY_MOUSE, L"", fl);
1388
1389         case SPI_GETACTIVEWNDTRKTIMEOUT:
1390             return SpiGetInt(pvParam, &gspv.dwActiveTrackingTimeout, fl);
1391
1392         case SPI_SETACTIVEWNDTRKTIMEOUT:
1393             return SpiSetInt(&gspv.dwActiveTrackingTimeout, uiParam, KEY_MOUSE, L"", fl);
1394
1395         case SPI_GETFOREGROUNDFLASHCOUNT:
1396             return SpiGetInt(pvParam, &gspv.dwForegroundFlashCount, fl);
1397
1398         case SPI_SETFOREGROUNDFLASHCOUNT:
1399             return SpiSetInt(&gspv.dwForegroundFlashCount, uiParam, KEY_MOUSE, L"", fl);
1400
1401         case SPI_GETCARETWIDTH:
1402             return SpiGetInt(pvParam, &gspv.dwCaretWidth, fl);
1403
1404         case SPI_SETCARETWIDTH:
1405             return SpiSetInt(&gspv.dwCaretWidth, uiParam, KEY_MOUSE, L"", fl);
1406
1407         case SPI_GETMOUSECLICKLOCKTIME:
1408             return SpiGetInt(pvParam, &gspv.dwMouseClickLockTime, fl);
1409
1410         case SPI_SETMOUSECLICKLOCKTIME:
1411             return SpiSetDWord(&gspv.dwMouseClickLockTime, uiParam, KEY_DESKTOP, VAL_CLICKLOCKTIME, fl);
1412
1413         case SPI_GETFONTSMOOTHINGTYPE:
1414             return SpiGetInt(pvParam, &gspv.uiFontSmoothingType, fl);
1415
1416         case SPI_SETFONTSMOOTHINGTYPE:
1417             return SpiSetInt(&gspv.uiFontSmoothingType, uiParam, KEY_MOUSE, L"", fl);
1418
1419         case SPI_GETFONTSMOOTHINGCONTRAST:
1420             return SpiGetInt(pvParam, &gspv.uiFontSmoothingContrast, fl);
1421
1422         case SPI_SETFONTSMOOTHINGCONTRAST:
1423             return SpiSetInt(&gspv.uiFontSmoothingContrast, uiParam, KEY_MOUSE, L"", fl);
1424
1425         case SPI_GETFOCUSBORDERWIDTH:
1426             return SpiGetInt(pvParam, &gspv.uiFocusBorderWidth, fl);
1427
1428         case SPI_SETFOCUSBORDERWIDTH:
1429             return SpiSetInt(&gspv.uiFocusBorderWidth, uiParam, KEY_MOUSE, L"", fl);
1430
1431         case SPI_GETFOCUSBORDERHEIGHT:
1432             return SpiGetInt(pvParam, &gspv.uiFocusBorderHeight, fl);
1433
1434         case SPI_SETFOCUSBORDERHEIGHT:
1435             return SpiSetInt(&gspv.uiFocusBorderHeight, uiParam, KEY_MOUSE, L"", fl);
1436
1437         case SPI_GETFONTSMOOTHINGORIENTATION:
1438             return SpiGetInt(pvParam, &gspv.uiFontSmoothingOrientation, fl);
1439
1440         case SPI_SETFONTSMOOTHINGORIENTATION:
1441             return SpiSetInt(&gspv.uiFontSmoothingOrientation, uiParam, KEY_MOUSE, L"", fl);
1442
1443         /* The following are undocumented, but valid SPI values */
1444         case 0x1010:
1445         case 0x1011:
1446         case 0x1028:
1447         case 0x1029:
1448         case 0x102A:
1449         case 0x102B:
1450         case 0x102C:
1451         case 0x102D:
1452         case 0x102E:
1453         case 0x102F:
1454         case 0x1030:
1455         case 0x1031:
1456         case 0x1032:
1457         case 0x1033:
1458         case 0x1034:
1459         case 0x1035:
1460         case 0x1036:
1461         case 0x1037:
1462         case 0x1038:
1463         case 0x1039:
1464         case 0x103A:
1465         case 0x103B:
1466         case 0x103C:
1467         case 0x103D:
1468             ERR("Undocumented SPI value %x is unimplemented\n", uiAction);
1469             break;
1470
1471         default:
1472             ERR("Invalid SPI value: %d\n", uiAction);
1473             EngSetLastError(ERROR_INVALID_PARAMETER);
1474             return 0;
1475     }
1476
1477     return 0;
1478 }
1479
1480 BOOL
1481 FASTCALL
1482 UserSystemParametersInfo(
1483     UINT uiAction,
1484     UINT uiParam,
1485     PVOID pvParam,
1486     UINT fWinIni)
1487 {
1488     ULONG_PTR ulResult;
1489
1490     if (!gbSpiInitialized)
1491     {
1492         KeRosDumpStackFrames(NULL, 20);
1493         return FALSE;
1494     }
1495
1496     /* Get a pointer to the current Windowstation */
1497     gpwinstaCurrent = IntGetWinStaObj();
1498
1499     if (!gpwinstaCurrent)
1500     {
1501         ERR("UserSystemParametersInfo called without active windowstation.\n");
1502         //KeRosDumpStackFrames(NULL, 0);
1503     }
1504
1505     /* Do the actual operation */
1506     ulResult = SpiGetSet(uiAction, uiParam, pvParam, fWinIni);
1507
1508     /* Did we change something? */
1509     if (ulResult > 1)
1510     {
1511         SpiFixupValues();
1512
1513         /* Update system metrics */
1514         InitMetrics();
1515
1516         /* Send notification to toplevel windows, if requested */
1517         if (fWinIni & (SPIF_SENDCHANGE | SPIF_SENDWININICHANGE))
1518         {
1519             /* Send WM_SETTINGCHANGE to all toplevel windows */
1520             co_IntSendMessageTimeout(HWND_BROADCAST,
1521                                      WM_SETTINGCHANGE,
1522                                      (WPARAM)uiAction,
1523                                      (LPARAM)ulResult,
1524                                      SMTO_NORMAL,
1525                                      100,
1526                                      &ulResult);
1527         }
1528         ulResult = 1;
1529     }
1530
1531     /* Dereference the windowstation */
1532     if (gpwinstaCurrent)
1533     {
1534         ObDereferenceObject(gpwinstaCurrent);
1535         gpwinstaCurrent = NULL;
1536     }
1537
1538     return ulResult;
1539 }
1540
1541 BOOL
1542 APIENTRY
1543 NtUserSystemParametersInfo(
1544     UINT uiAction,
1545     UINT uiParam,
1546     PVOID pvParam,
1547     UINT fWinIni)
1548 {
1549     BOOL bResult;
1550
1551     TRACE("Enter NtUserSystemParametersInfo(%d)\n", uiAction);
1552     UserEnterExclusive();
1553
1554     // FIXME: get rid of the flags and only use this from um. kernel can access data directly.
1555     /* Set UM memory protection flag */
1556     fWinIni |= SPIF_PROTECT;
1557
1558     /* Call internal function */
1559     bResult = UserSystemParametersInfo(uiAction, uiParam, pvParam, fWinIni);
1560
1561     TRACE("Leave NtUserSystemParametersInfo, returning %d\n", bResult);
1562     UserLeave();
1563
1564     return bResult;
1565 }