ReactOS  0.4.14-dev-49-gfb4591c
sysparams.c
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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: win32ss/user/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 BOOL g_PaintDesktopVersion = FALSE;
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 do { \
29  if (GetW32ProcessInfo()->prpwinsta != InputWindowStation) \
30  { \
31  if (GetW32ProcessInfo()->prpwinsta == NULL) \
32  { \
33  ERR("NtUserSystemParametersInfo called without active window station, and it requires an interactive one\n"); \
34  } \
35  else \
36  { \
37  ERR("NtUserSystemParametersInfo requires interactive window station (current is '%wZ')\n", \
38  &(OBJECT_HEADER_TO_NAME_INFO(OBJECT_TO_OBJECT_HEADER(GetW32ProcessInfo()->prpwinsta))->Name)); \
39  } \
40  EngSetLastError(err); \
41  return 0; \
42  } \
43 } while (0)
44 
45 static const WCHAR* KEY_MOUSE = L"Control Panel\\Mouse";
46 static const WCHAR* VAL_MOUSE1 = L"MouseThreshold1";
47 static const WCHAR* VAL_MOUSE2 = L"MouseThreshold2";
48 static const WCHAR* VAL_MOUSE3 = L"MouseSpeed";
49 static const WCHAR* VAL_MOUSETRAILS = L"MouseTrails";
50 static const WCHAR* VAL_DBLCLKWIDTH = L"DoubleClickWidth";
51 static const WCHAR* VAL_DBLCLKHEIGHT = L"DoubleClickHeight";
52 static const WCHAR* VAL_DBLCLKTIME = L"DoubleClickSpeed";
53 static const WCHAR* VAL_SNAPDEFBTN = L"SnapToDefaultButton";
54 static const WCHAR* VAL_SWAP = L"SwapMouseButtons";
55 static const WCHAR* VAL_HOVERTIME = L"MouseHoverTime";
56 static const WCHAR* VAL_HOVERWIDTH = L"MouseHoverWidth";
57 static const WCHAR* VAL_HOVERHEIGHT = L"MouseHoverHeight";
58 static const WCHAR* VAL_SENSITIVITY = L"MouseSensitivity";
59 
60 static const WCHAR* KEY_DESKTOP = L"Control Panel\\Desktop";
61 static const WCHAR* VAL_SCRTO = L"ScreenSaveTimeOut";
62 static const WCHAR* VAL_SCRNSV = L"SCRNSAVE.EXE";
63 static const WCHAR* VAL_SCRACT = L"ScreenSaveActive";
64 static const WCHAR* VAL_GRID = L"GridGranularity";
65 static const WCHAR* VAL_DRAG = L"DragFullWindows";
66 static const WCHAR* VAL_DRAGHEIGHT = L"DragHeight";
67 static const WCHAR* VAL_DRAGWIDTH = L"DragWidth";
68 static const WCHAR* VAL_FONTSMOOTHING = L"FontSmoothing";
69 static const WCHAR* VAL_FONTSMOOTHINGTYPE = L"FontSmoothingType";
70 static const WCHAR* VAL_FONTSMOOTHINGCONTRAST = L"FontSmoothingGamma";
71 static const WCHAR* VAL_FONTSMOOTHINGORIENTATION = L"FontSmoothingOrientation";
72 static const WCHAR* VAL_SCRLLLINES = L"WheelScrollLines";
73 static const WCHAR* VAL_CLICKLOCKTIME = L"ClickLockTime";
74 static const WCHAR* VAL_PAINTDESKVER = L"PaintDesktopVersion";
75 static const WCHAR* VAL_CARETRATE = L"CursorBlinkRate";
76 #if (_WIN32_WINNT >= 0x0600)
77 static const WCHAR* VAL_SCRLLCHARS = L"WheelScrollChars";
78 #endif
79 static const WCHAR* VAL_USERPREFMASK = L"UserPreferencesMask";
80 
81 static const WCHAR* KEY_MDALIGN = L"Software\\Microsoft\\Windows NT\\CurrentVersion\\Windows";
82 static const WCHAR* VAL_MDALIGN = L"MenuDropAlignment";
83 
84 static const WCHAR* KEY_METRIC = L"Control Panel\\Desktop\\WindowMetrics";
85 static const WCHAR* VAL_BORDER = L"BorderWidth";
86 static const WCHAR* VAL_ICONSPC = L"IconSpacing";
87 static const WCHAR* VAL_ICONVSPC = L"IconVerticalspacing";
88 static const WCHAR* VAL_ITWRAP = L"IconTitleWrap";
89 
90 static const WCHAR* KEY_SOUND = L"Control Panel\\Sound";
91 static const WCHAR* VAL_BEEP = L"Beep";
92 
93 static const WCHAR* KEY_KBD = L"Control Panel\\Keyboard";
94 static const WCHAR* VAL_KBDSPD = L"KeyboardSpeed";
95 static const WCHAR* VAL_KBDDELAY = L"KeyboardDelay";
96 
97 static const WCHAR* KEY_SHOWSNDS = L"Control Panel\\Accessibility\\ShowSounds";
98 static const WCHAR* KEY_KDBPREF = L"Control Panel\\Accessibility\\Keyboard Preference";
99 static const WCHAR* KEY_SCRREAD = L"Control Panel\\Accessibility\\Blind Access";
100 static const WCHAR* VAL_ON = L"On";
101 
102 
103 
106 static
107 INT
108 SpiLoadDWord(PCWSTR pwszKey, PCWSTR pwszValue, INT iValue)
109 {
110  DWORD Result;
111  if (!RegReadUserSetting(pwszKey, pwszValue, REG_DWORD, &Result, sizeof(Result)))
112  {
113  return iValue;
114  }
115  return Result;
116 }
117 
118 static
119 INT
120 SpiLoadInt(PCWSTR pwszKey, PCWSTR pwszValue, INT iValue)
121 {
122  WCHAR awcBuffer[12];
123  ULONG cbSize;
124 
125  cbSize = sizeof(awcBuffer);
126  if (!RegReadUserSetting(pwszKey, pwszValue, REG_SZ, awcBuffer, cbSize))
127  {
128  return iValue;
129  }
130  return _wtoi(awcBuffer);
131 }
132 
133 static
134 DWORD
135 SpiLoadUserPrefMask(DWORD dValue)
136 {
137  DWORD Result;
138  if (!RegReadUserSetting(KEY_DESKTOP, VAL_USERPREFMASK, REG_BINARY, &Result, sizeof(Result)))
139  {
140  return dValue;
141  }
142  return Result;
143 }
144 
145 static
146 DWORD
147 SpiLoadTimeOut(VOID)
148 { // Must have the string!
149  WCHAR szApplicationName[MAX_PATH];
150  RtlZeroMemory(&szApplicationName, sizeof(szApplicationName));
151  if (!RegReadUserSetting(KEY_DESKTOP, VAL_SCRNSV, REG_SZ, &szApplicationName, sizeof(szApplicationName)))
152  {
153  return 0;
154  }
155  if (wcslen(szApplicationName) == 0) return 0;
156  return SpiLoadInt(KEY_DESKTOP, VAL_SCRTO, 0);
157 }
158 
159 static
160 INT
161 SpiLoadMouse(PCWSTR pwszValue, INT iValue)
162 {
163  return SpiLoadInt(KEY_MOUSE, pwszValue, iValue);
164 }
165 
166 static
167 INT
168 SpiLoadMetric(PCWSTR pwszValue, INT iValue)
169 {
170  INT iRegVal;
171 
172  iRegVal = SpiLoadInt(KEY_METRIC, pwszValue, METRIC2REG(iValue));
173  TRACE("Loaded metric setting '%S', iValue=%d(reg:%d), ret=%d(reg:%d)\n",
174  pwszValue, iValue, METRIC2REG(iValue), REG2METRIC(iRegVal), iRegVal);
175  return REG2METRIC(iRegVal);
176 }
177 
178 static
179 VOID
180 SpiLoadFont(PLOGFONTW plfOut, LPWSTR pwszValueName, PLOGFONTW plfDefault)
181 {
182  BOOL bResult;
183 
184  bResult = RegReadUserSetting(KEY_METRIC,
185  pwszValueName,
186  REG_BINARY,
187  plfOut,
188  sizeof(LOGFONTW));
189  if (!bResult)
190  *plfOut = *plfDefault;
191 }
192 
193 static
194 VOID
195 SpiFixupValues(VOID)
196 {
197  /* Fixup values */
198  gspv.ncm.iCaptionWidth = max(gspv.ncm.iCaptionWidth, 8);
199  gspv.ncm.iBorderWidth = max(gspv.ncm.iBorderWidth, 1);
200  gspv.ncm.iScrollWidth = max(gspv.ncm.iScrollWidth, 8);
201  gspv.ncm.iScrollHeight = max(gspv.ncm.iScrollHeight, 8);
202 // gspv.ncm.iMenuHeight = max(gspv.ncm.iMenuHeight, gspv.tmMenuFont.tmHeight);
203 // gspv.ncm.iMenuHeight = max(gspv.ncm.iMenuHeight,
204 // 2 + gspv.tmMenuFont.tmHeight +
205 // gspv.tmMenuFont.tmExternalLeading);
206  if (gspv.iDblClickTime == 0) gspv.iDblClickTime = 500;
207 
208  // FIXME: Hack!!!
209  gspv.tmMenuFont.tmHeight = 11;
210  gspv.tmMenuFont.tmExternalLeading = 2;
211 
212  gspv.tmCaptionFont.tmHeight = 11;
213  gspv.tmCaptionFont.tmExternalLeading = 2;
214 
215 }
216 
217 static
218 VOID
219 SpiUpdatePerUserSystemParameters(VOID)
220 {
221  static LOGFONTW lf1 = {-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE,
222  FALSE, ANSI_CHARSET, 0, 0, DEFAULT_QUALITY,
223  VARIABLE_PITCH | FF_SWISS, L"MS Sans Serif"};
224  static LOGFONTW lf2 = {-11, 0, 0, 0, FW_BOLD, FALSE, FALSE,
225  FALSE, ANSI_CHARSET, 0, 0, DEFAULT_QUALITY,
226  VARIABLE_PITCH | FF_SWISS, L"MS Sans Serif"};
227 
228  TRACE("Enter SpiUpdatePerUserSystemParameters\n");
229 
230  /* Clear the structure */
231  RtlZeroMemory(&gspv, sizeof(gspv));
232 
233  /* Load mouse settings */
234  gspv.caiMouse.FirstThreshold = SpiLoadMouse(VAL_MOUSE1, 6);
235  gspv.caiMouse.SecondThreshold = SpiLoadMouse(VAL_MOUSE2, 10);
236  gspv.caiMouse.Acceleration = SpiLoadMouse(VAL_MOUSE3, 1);
237  gspv.iMouseSpeed = SpiLoadMouse(VAL_SENSITIVITY, 10);
238  gspv.bMouseBtnSwap = SpiLoadMouse(VAL_SWAP, 0);
239  gspv.bSnapToDefBtn = SpiLoadMouse(VAL_SNAPDEFBTN, 0);
240  gspv.iMouseTrails = SpiLoadMouse(VAL_MOUSETRAILS, 0);
241  gspv.iDblClickTime = SpiLoadMouse(VAL_DBLCLKTIME, 500);
242  gspv.iDblClickWidth = SpiLoadMouse(VAL_DBLCLKWIDTH, 4);
243  gspv.iDblClickHeight = SpiLoadMouse(VAL_DBLCLKHEIGHT, 4);
244  gspv.iMouseHoverTime = SpiLoadMouse(VAL_HOVERTIME, 400);
245  gspv.iMouseHoverWidth = SpiLoadMouse(VAL_HOVERWIDTH, 4);
246  gspv.iMouseHoverHeight = SpiLoadMouse(VAL_HOVERHEIGHT, 4);
247 
248  /* Load NONCLIENTMETRICS */
249  gspv.ncm.cbSize = sizeof(NONCLIENTMETRICSW);
250  gspv.ncm.iBorderWidth = SpiLoadMetric(VAL_BORDER, 1);
251  gspv.ncm.iScrollWidth = SpiLoadMetric(L"ScrollWidth", 16);
252  gspv.ncm.iScrollHeight = SpiLoadMetric(L"ScrollHeight", 16);
253  gspv.ncm.iCaptionWidth = SpiLoadMetric(L"CaptionWidth", 19);
254  gspv.ncm.iCaptionHeight = SpiLoadMetric(L"CaptionHeight", 19);
255  gspv.ncm.iSmCaptionWidth = SpiLoadMetric(L"SmCaptionWidth", 12);
256  gspv.ncm.iSmCaptionHeight = SpiLoadMetric(L"SmCaptionHeight", 14);
257  gspv.ncm.iMenuWidth = SpiLoadMetric(L"MenuWidth", 18);
258  gspv.ncm.iMenuHeight = SpiLoadMetric(L"MenuHeight", 18);
259 #if (WINVER >= 0x0600)
260  gspv.ncm.iPaddedBorderWidth = SpiLoadMetric(L"PaddedBorderWidth", 18);
261 #endif
262  SpiLoadFont(&gspv.ncm.lfCaptionFont, L"CaptionFont", &lf2);
263  SpiLoadFont(&gspv.ncm.lfSmCaptionFont, L"SmCaptionFont", &lf1);
264  SpiLoadFont(&gspv.ncm.lfMenuFont, L"MenuFont", &lf1);
265  SpiLoadFont(&gspv.ncm.lfStatusFont, L"StatusFont", &lf1);
266  SpiLoadFont(&gspv.ncm.lfMessageFont, L"MessageFont", &lf1);
267 
268  /* Load MINIMIZEDMETRICS */
269  gspv.mm.cbSize = sizeof(MINIMIZEDMETRICS);
270  gspv.mm.iWidth = SpiLoadMetric(L"MinWidth", 160);
271  gspv.mm.iHorzGap = SpiLoadMetric(L"MinHorzGap", 160);
272  gspv.mm.iVertGap = SpiLoadMetric(L"MinVertGap", 24);
273  gspv.mm.iArrange = SpiLoadInt(KEY_METRIC, L"MinArrange", ARW_HIDE);
274 
275  /* Load ICONMETRICS */
276  gspv.im.cbSize = sizeof(ICONMETRICSW);
277  gspv.im.iHorzSpacing = SpiLoadMetric(VAL_ICONSPC, 64);
278  gspv.im.iVertSpacing = SpiLoadMetric(VAL_ICONVSPC, 64);
279  gspv.im.iTitleWrap = SpiLoadMetric(VAL_ITWRAP, 0);
280  SpiLoadFont(&gspv.im.lfFont, L"IconFont", &lf1);
281 
282  /* Load desktop settings */
283  gspv.bDragFullWindows = SpiLoadInt(KEY_DESKTOP, VAL_DRAG, 0);
284  gspv.iWheelScrollLines = SpiLoadInt(KEY_DESKTOP, VAL_SCRLLLINES, 3);
285  gspv.dwMouseClickLockTime = SpiLoadDWord(KEY_DESKTOP, VAL_CLICKLOCKTIME, 1200);
286  gpsi->dtCaretBlink = SpiLoadInt(KEY_DESKTOP, VAL_CARETRATE, 530);
287  gspv.dwUserPrefMask = SpiLoadUserPrefMask(UPM_DEFAULT);
288  gspv.bMouseClickLock = (gspv.dwUserPrefMask & UPM_CLICKLOCK) != 0;
289  gspv.bMouseCursorShadow = (gspv.dwUserPrefMask & UPM_CURSORSHADOW) != 0;
290  gspv.bFontSmoothing = SpiLoadInt(KEY_DESKTOP, VAL_FONTSMOOTHING, 0) == 2;
291  gspv.uiFontSmoothingType = SpiLoadDWord(KEY_DESKTOP, VAL_FONTSMOOTHINGTYPE, 1);
292  gspv.uiFontSmoothingContrast = SpiLoadDWord(KEY_DESKTOP, VAL_FONTSMOOTHINGCONTRAST, 1400);
293  gspv.uiFontSmoothingOrientation = SpiLoadDWord(KEY_DESKTOP, VAL_FONTSMOOTHINGORIENTATION, 1);
294 #if (_WIN32_WINNT >= 0x0600)
295  gspv.uiWheelScrollChars = SpiLoadInt(KEY_DESKTOP, VAL_SCRLLCHARS, 3);
296 #endif
297 
298  /* Some hardcoded values for now */
299 
300  gspv.tmCaptionFont.tmAveCharWidth = 6;
301  gspv.bBeep = TRUE;
302  gspv.uiFocusBorderWidth = 1;
303  gspv.uiFocusBorderHeight = 1;
304  gspv.bMenuDropAlign = 1;
305  gspv.dwMenuShowDelay = 100;
306  gspv.dwForegroundFlashCount = 3;
307 
308  gspv.iScrSaverTimeout = SpiLoadTimeOut();
309  gspv.bScrSaverActive = FALSE;
310  gspv.bScrSaverRunning = FALSE;
311 #if(WINVER >= 0x0600)
312  gspv.bScrSaverSecure = FALSE;
313 #endif
314 
315  gspv.accesstimeout.cbSize = sizeof(ACCESSTIMEOUT);
316  gspv.filterkeys.cbSize = sizeof(FILTERKEYS);
317  gspv.togglekeys.cbSize = sizeof(TOGGLEKEYS);
318  gspv.mousekeys.cbSize = sizeof(MOUSEKEYS);
319  gspv.stickykeys.cbSize = sizeof(STICKYKEYS);
320  gspv.serialkeys.cbSize = sizeof(SERIALKEYS);
321  gspv.soundsentry.cbSize = sizeof(SOUNDSENTRYW);
322  gspv.highcontrast.cbSize = sizeof(HIGHCONTRASTW);
323  gspv.animationinfo.cbSize = sizeof(ANIMATIONINFO);
324 
325  /* Make sure we don't use broken values */
326  SpiFixupValues();
327 
328  /* Update SystemMetrics */
329  InitMetrics();
330 
331  if (gbSpiInitialized && gpsi)
332  {
333  if (gspv.bKbdPref) gpsi->dwSRVIFlags |= SRVINFO_KBDPREF;
334  if (SPITESTPREF(UPM_KEYBOARDCUES)) gpsi->PUSIFlags |= PUSIF_KEYBOARDCUES;
335  if (SPITESTPREF(UPM_COMBOBOXANIMATION)) gpsi->PUSIFlags |= PUSIF_COMBOBOXANIMATION;
336  if (SPITESTPREF(UPM_LISTBOXSMOOTHSCROLLING)) gpsi->PUSIFlags |= PUSIF_LISTBOXSMOOTHSCROLLING;
337  }
338  gdwLanguageToggleKey = UserGetLanguageToggle();
339 }
340 
341 BOOL
342 InitSysParams(VOID)
343 {
344  SpiUpdatePerUserSystemParameters();
345  gbSpiInitialized = TRUE;
346  return TRUE;
347 }
348 
349 
350 BOOL
351 APIENTRY
352 NtUserUpdatePerUserSystemParameters(
353  DWORD dwReserved,
354  BOOL bEnable)
355 {
356  BOOL bResult;
357 
358  TRACE("Enter NtUserUpdatePerUserSystemParameters\n");
359  UserEnterExclusive();
360 
361  SpiUpdatePerUserSystemParameters();
362  if(bEnable)
363  g_PaintDesktopVersion = SpiLoadDWord(KEY_DESKTOP, VAL_PAINTDESKVER, 0);
364  else
365  g_PaintDesktopVersion = FALSE;
366  bResult = TRUE;
367 
368  TRACE("Leave NtUserUpdatePerUserSystemParameters, returning %d\n", bResult);
369  UserLeave();
370 
371  return bResult;
372 }
373 
374 
377 static
378 VOID
379 SpiStoreDWord(PCWSTR pwszKey, PCWSTR pwszValue, DWORD Value)
380 {
381  RegWriteUserSetting(pwszKey,
382  pwszValue,
383  REG_DWORD,
384  &Value,
385  sizeof(Value));
386 }
387 
388 static
389 VOID
390 SpiStoreSz(PCWSTR pwszKey, PCWSTR pwszValue, PCWSTR pwsz)
391 {
392  RegWriteUserSetting(pwszKey,
393  pwszValue,
394  REG_SZ,
395  pwsz,
396  (wcslen(pwsz) + 1) * sizeof(WCHAR));
397 }
398 
399 static
400 VOID
401 SpiStoreSzInt(PCWSTR pwszKey, PCWSTR pwszValue, INT iValue)
402 {
403  WCHAR awcBuffer[15];
404 
405  _itow(iValue, awcBuffer, 10);
406  RegWriteUserSetting(pwszKey,
407  pwszValue,
408  REG_SZ,
409  awcBuffer,
410  (wcslen(awcBuffer) + 1) * sizeof(WCHAR));
411 }
412 
413 static
414 VOID
415 SpiStoreMetric(LPCWSTR pwszValue, INT iValue)
416 {
417  SpiStoreSzInt(KEY_METRIC, pwszValue, METRIC2REG(iValue));
418 }
419 
420 static
421 VOID
422 SpiStoreFont(PCWSTR pwszValue, LOGFONTW* plogfont)
423 {
424  RegWriteUserSetting(KEY_METRIC,
425  pwszValue,
426  REG_BINARY,
427  plogfont,
428  sizeof(LOGFONTW));
429 }
430 
431 
434 // FIXME: get rid of the flags and only use this from um. kernel can access data directly.
435 static
436 UINT_PTR
437 SpiMemCopy(PVOID pvDst, PVOID pvSrc, ULONG cbSize, BOOL bProtect)
438 {
439  NTSTATUS Status = STATUS_SUCCESS;
440 
441  if (bProtect)
442  {
443  _SEH2_TRY
444  {
445  RtlCopyMemory(pvDst, pvSrc, cbSize);
446  }
447  _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
448  {
449  Status = _SEH2_GetExceptionCode();
450  }
451  _SEH2_END;
452  }
453  else
454  {
455  RtlCopyMemory(pvDst, pvSrc, cbSize);
456  }
457 
458  if (!NT_SUCCESS(Status))
459  {
460  SetLastNtError(Status);
461  ERR("SpiMemCopy failed, pvDst=%p, pvSrc=%p, bProtect=%d\n", pvDst, pvSrc, bProtect);
462  }
463 
464  return NT_SUCCESS(Status);
465 }
466 
467 static inline
468 UINT_PTR
469 SpiGet(PVOID pvParam, PVOID pvData, ULONG cbSize, FLONG fl)
470 {
471  REQ_INTERACTIVE_WINSTA(ERROR_ACCESS_DENIED);
472  return SpiMemCopy(pvParam, pvData, cbSize, fl & SPIF_PROTECT);
473 }
474 
475 static inline
476 UINT_PTR
477 SpiSet(PVOID pvData, PVOID pvParam, ULONG cbSize, FLONG fl)
478 {
479  REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
480  return SpiMemCopy(pvData, pvParam, cbSize, fl & SPIF_PROTECT);
481 }
482 
483 static inline
484 UINT_PTR
485 SpiGetEx(PVOID pvParam, PVOID pvData, ULONG cbSize, FLONG fl)
486 {
487  ULONG cbBufSize;
488  /* Get the cbSite member from UM memory */
489  if (!SpiSet(&cbBufSize, pvParam, sizeof(ULONG), fl))
490  return 0;
491  /* Verify the correct size */
492  if (cbBufSize != cbSize)
493  return 0;
494  return SpiGet(pvParam, pvData, cbSize, fl);
495 }
496 
497 static inline
498 UINT_PTR
499 SpiGetInt(PVOID pvParam, PVOID piValue, FLONG fl)
500 {
501  return SpiGet(pvParam, piValue, sizeof(INT), fl);
502 }
503 
504 static inline
505 UINT_PTR
506 SpiSetYesNo(BOOL *pbData, BOOL bValue, PCWSTR pwszKey, PCWSTR pwszValue, FLONG fl)
507 {
508  REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
509  *pbData = bValue ? TRUE : FALSE;
510  if (fl & SPIF_UPDATEINIFILE)
511  {
512  SpiStoreSz(pwszKey, pwszValue, bValue ? L"Yes" : L"No");
513  }
514  return (UINT_PTR)pwszKey;
515 }
516 
517 static inline
518 UINT_PTR
519 SpiSetBool(BOOL *pbData, INT iValue, PCWSTR pwszKey, PCWSTR pwszValue, FLONG fl)
520 {
521  REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
522  *pbData = iValue ? TRUE : FALSE;
523  if (fl & SPIF_UPDATEINIFILE)
524  {
525  SpiStoreSzInt(pwszKey, pwszValue, iValue);
526  }
527  return (UINT_PTR)pwszKey;
528 }
529 
530 static inline
531 UINT_PTR
532 SpiSetDWord(PVOID pvData, INT iValue, PCWSTR pwszKey, PCWSTR pwszValue, FLONG fl)
533 {
534  REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
535  *(INT*)pvData = iValue;
536  if (fl & SPIF_UPDATEINIFILE)
537  {
538  SpiStoreDWord(pwszKey, pwszValue, iValue);
539  }
540  return (UINT_PTR)pwszKey;
541 }
542 
543 static inline
544 UINT_PTR
545 SpiSetInt(PVOID pvData, INT iValue, PCWSTR pwszKey, PCWSTR pwszValue, FLONG fl)
546 {
547  REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
548  *(INT*)pvData = iValue;
549  if (fl & SPIF_UPDATEINIFILE)
550  {
551  SpiStoreSzInt(pwszKey, pwszValue, iValue);
552  }
553  return (UINT_PTR)pwszKey;
554 }
555 
556 static inline
557 UINT_PTR
558 SpiSetMetric(PVOID pvData, INT iValue, PCWSTR pwszValue, FLONG fl)
559 {
560  REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
561  *(INT*)pvData = iValue;
562  if (fl & SPIF_UPDATEINIFILE)
563  {
564  SpiStoreMetric(pwszValue, iValue);
565  }
566  return (UINT_PTR)KEY_METRIC;
567 }
568 
569 static inline
570 UINT_PTR
571 SpiSetUserPref(DWORD dwMask, PVOID pvValue, FLONG fl)
572 {
573  DWORD dwRegMask;
574  BOOL bValue = PtrToUlong(pvValue);
575 
576  REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
577 
578  /* Set or clear bit according to bValue */
579  gspv.dwUserPrefMask = bValue ? gspv.dwUserPrefMask | dwMask :
580  gspv.dwUserPrefMask & ~dwMask;
581 
582  if (fl & SPIF_UPDATEINIFILE)
583  {
584  /* Read current value */
585  if (!RegReadUserSetting(KEY_DESKTOP,
586  VAL_USERPREFMASK,
587  REG_BINARY,
588  &dwRegMask,
589  sizeof(DWORD)))
590  {
591  WARN("Failed to read UserPreferencesMask setting\n");
592  dwRegMask = 0;
593  }
594 
595  /* Set or clear bit according to bValue */
596  dwRegMask = bValue ? (dwRegMask | dwMask) : (dwRegMask & ~dwMask);
597 
598  /* write back value */
599  RegWriteUserSetting(KEY_DESKTOP,
600  VAL_USERPREFMASK,
601  REG_BINARY,
602  &dwRegMask,
603  sizeof(DWORD));
604  }
605 
606  return (UINT_PTR)KEY_DESKTOP;
607 }
608 
609 static inline
610 UINT_PTR
611 SpiGetUserPref(DWORD dwMask, PVOID pvParam, FLONG fl)
612 {
613  INT iValue = gspv.dwUserPrefMask & dwMask ? 1 : 0;
614  return SpiGetInt(pvParam, &iValue, fl);
615 }
616 
617 static
618 UINT_PTR
619 SpiSetWallpaper(PVOID pvParam, FLONG fl)
620 {
621  UNICODE_STRING ustr;
622  WCHAR awc[MAX_PATH];
623  BOOL bResult;
624  HBITMAP hbmp, hOldBitmap;
625  SURFACE *psurfBmp;
626  ULONG ulTile, ulStyle;
627 
628  REQ_INTERACTIVE_WINSTA(ERROR_REQUIRES_INTERACTIVE_WINDOWSTATION);
629 
630  if (!pvParam)
631  {
632  /* FIXME: Reset Wallpaper to registry value */
633  return (UINT_PTR)KEY_DESKTOP;
634  }
635 
636  /* Capture UNICODE_STRING */
637  bResult = SpiMemCopy(&ustr, pvParam, sizeof(ustr), fl & SPIF_PROTECT);
638  if (!bResult)
639  {
640  return 0;
641  }
642  if (ustr.Length > MAX_PATH * sizeof(WCHAR))
643  {
644  return 0;
645  }
646 
647  /* Copy the string buffer name */
648  bResult = SpiMemCopy(gspv.awcWallpaper, ustr.Buffer, ustr.Length, fl & SPIF_PROTECT);
649  if (!bResult)
650  {
651  return 0;
652  }
653 
654  /* Update the UNICODE_STRING */
655  gspv.ustrWallpaper.Buffer = gspv.awcWallpaper;
656  gspv.ustrWallpaper.MaximumLength = MAX_PATH * sizeof(WCHAR);
657  gspv.ustrWallpaper.Length = ustr.Length;
658  gspv.awcWallpaper[ustr.Length / sizeof(WCHAR)] = 0;
659 
660  TRACE("SpiSetWallpaper, name=%S\n", gspv.awcWallpaper);
661 
662  /* Update registry */
663  if (fl & SPIF_UPDATEINIFILE)
664  {
665  SpiStoreSz(KEY_DESKTOP, L"Wallpaper", gspv.awcWallpaper);
666  }
667 
668  /* Got a filename? */
669  if (gspv.awcWallpaper[0] != 0)
670  {
671  /* Convert file name to nt file name */
672  ustr.Buffer = awc;
673  ustr.MaximumLength = MAX_PATH * sizeof(WCHAR);
674  ustr.Length = 0;
675  if (!W32kDosPathNameToNtPathName(gspv.awcWallpaper, &ustr))
676  {
677  ERR("RtlDosPathNameToNtPathName_U failed\n");
678  return 0;
679  }
680 
681  /* Load the Bitmap */
682  hbmp = UserLoadImage(ustr.Buffer);
683  if (!hbmp)
684  {
685  ERR("UserLoadImage failed\n");
686  return 0;
687  }
688 
689  /* Try to get the size of the wallpaper */
690  if (!(psurfBmp = SURFACE_ShareLockSurface(hbmp)))
691  {
692  GreDeleteObject(hbmp);
693  return 0;
694  }
695 
696  gspv.cxWallpaper = psurfBmp->SurfObj.sizlBitmap.cx;
697  gspv.cyWallpaper = psurfBmp->SurfObj.sizlBitmap.cy;
698  gspv.WallpaperMode = wmCenter;
699 
700  SURFACE_ShareUnlockSurface(psurfBmp);
701 
702  /* Change the bitmap's ownership */
703  GreSetObjectOwner(hbmp, GDI_OBJ_HMGR_PUBLIC);
704 
705  /* Yes, Windows really loads the current setting from the registry. */
706  ulTile = SpiLoadInt(KEY_DESKTOP, L"TileWallpaper", 0);
707  ulStyle = SpiLoadInt(KEY_DESKTOP, L"WallpaperStyle", 0);
708  TRACE("SpiSetWallpaper: ulTile=%lu, ulStyle=%lu\n", ulTile, ulStyle);
709 
710  /* Check the values we found in the registry */
711  if (ulTile && !ulStyle)
712  {
713  gspv.WallpaperMode = wmTile;
714  }
715  else if (!ulTile && ulStyle)
716  {
717  if (ulStyle == 2)
718  {
719  gspv.WallpaperMode = wmStretch;
720  }
721  else if (ulStyle == 6)
722  {
723  gspv.WallpaperMode = wmFit;
724  }
725  else if (ulStyle == 10)
726  {
727  gspv.WallpaperMode = wmFill;
728  }
729  }
730  }
731  else
732  {
733  /* Remove wallpaper */
734  gspv.cxWallpaper = 0;
735  gspv.cyWallpaper = 0;
736  hbmp = 0;
737  }
738 
739  /* Take care of the old wallpaper, if any */
740  hOldBitmap = gspv.hbmWallpaper;
741  if(hOldBitmap != NULL)
742  {
743  /* Delete the old wallpaper */
744  GreSetObjectOwner(hOldBitmap, GDI_OBJ_HMGR_POWNED);
745  GreDeleteObject(hOldBitmap);
746  }
747 
748  /* Set the new wallpaper */
749  gspv.hbmWallpaper = hbmp;
750 
751  NtUserRedrawWindow(UserGetShellWindow(), NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
752 
753 
754  return (UINT_PTR)KEY_DESKTOP;
755 }
756 
757 static BOOL
758 SpiNotifyNCMetricsChanged(VOID)
759 {
760  PWND pwndDesktop, pwndCurrent;
761  HWND *ahwnd;
762  USER_REFERENCE_ENTRY Ref;
763  int i;
764 
765  pwndDesktop = UserGetDesktopWindow();
766  ASSERT(pwndDesktop);
767 
768  ahwnd = IntWinListChildren(pwndDesktop);
769  if(!ahwnd)
770  return FALSE;
771 
772  for (i = 0; ahwnd[i]; i++)
773  {
774  pwndCurrent = UserGetWindowObject(ahwnd[i]);
775  if(!pwndCurrent)
776  continue;
777 
778  UserRefObjectCo(pwndCurrent, &Ref);
779  co_WinPosSetWindowPos(pwndCurrent, 0, pwndCurrent->rcWindow.left,pwndCurrent->rcWindow.top,
780  pwndCurrent->rcWindow.right-pwndCurrent->rcWindow.left
781  ,pwndCurrent->rcWindow.bottom - pwndCurrent->rcWindow.top,
782  SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOCOPYBITS|
783  SWP_NOMOVE|SWP_NOZORDER|SWP_NOREDRAW);
784  UserDerefObjectCo(pwndCurrent);
785  }
786 
787  ExFreePoolWithTag(ahwnd, USERTAG_WINDOWLIST);
788 
789  return TRUE;
790 }
791 
792 static
793 UINT_PTR
794 SpiGetSet(UINT uiAction, UINT uiParam, PVOID pvParam, FLONG fl)
795 {
796  switch (uiAction)
797  {
798  case SPI_GETBEEP:
799  return SpiGetInt(pvParam, &gspv.bBeep, fl);
800 
801  case SPI_SETBEEP:
802  return SpiSetYesNo(&gspv.bBeep, uiParam, KEY_SOUND, VAL_BEEP, fl);
803 
804  case SPI_GETMOUSE:
805  return SpiGet(pvParam, &gspv.caiMouse, 3 * sizeof(INT), fl);
806 
807  case SPI_SETMOUSE:
808  if (!SpiSet(&gspv.caiMouse, pvParam, 3 * sizeof(INT), fl))
809  return 0;
810  if (fl & SPIF_UPDATEINIFILE)
811  {
812  SpiStoreSzInt(KEY_MOUSE, VAL_MOUSE1, gspv.caiMouse.FirstThreshold);
813  SpiStoreSzInt(KEY_MOUSE, VAL_MOUSE2, gspv.caiMouse.SecondThreshold);
814  SpiStoreSzInt(KEY_MOUSE, VAL_MOUSE3, gspv.caiMouse.Acceleration);
815  }
816  return (UINT_PTR)KEY_MOUSE;
817 
818  case SPI_GETBORDER:
819  return SpiGetInt(pvParam, &gspv.ncm.iBorderWidth, fl);
820 
821  case SPI_SETBORDER:
822  uiParam = max(uiParam, 1);
823  return SpiSetInt(&gspv.ncm.iBorderWidth, uiParam, KEY_METRIC, VAL_BORDER, fl);
824 
825  case SPI_GETKEYBOARDSPEED:
826  return SpiGetInt(pvParam, &gspv.dwKbdSpeed, fl);
827 
828  case SPI_SETKEYBOARDSPEED:
829  return SpiSetInt(&gspv.dwKbdSpeed, uiParam, KEY_KBD, VAL_KBDSPD, fl);
830 
831  case SPI_LANGDRIVER:
832  ERR("SPI_LANGDRIVER is unimplemented\n");
833  break;
834 
835  case SPI_GETSCREENSAVETIMEOUT:
836  return SpiGetInt(pvParam, &gspv.iScrSaverTimeout, fl);
837 
838  case SPI_SETSCREENSAVETIMEOUT:
839  return SpiSetInt(&gspv.iScrSaverTimeout, uiParam, KEY_DESKTOP, VAL_SCRTO, fl);
840 
841  case SPI_GETSCREENSAVEACTIVE:
842  return SpiGetInt(pvParam, &gspv.bScrSaverActive, fl);
843 
844  case SPI_SETSCREENSAVEACTIVE:
845  return SpiSetInt(&gspv.bScrSaverActive, uiParam, KEY_DESKTOP, VAL_SCRACT, fl);
846 
847  case SPI_GETGRIDGRANULARITY:
848  return SpiGetInt(pvParam, &gspv.uiGridGranularity, fl);
849 
850  case SPI_SETGRIDGRANULARITY:
851  return SpiSetInt(&gspv.uiGridGranularity, uiParam, KEY_DESKTOP, VAL_GRID, fl);
852 
853  case SPI_GETDESKWALLPAPER:
854  uiParam = min(uiParam, gspv.ustrWallpaper.Length + 1UL);
855  return SpiGet(pvParam, gspv.awcWallpaper, uiParam, fl);
856 
857  case SPI_SETDESKWALLPAPER:
858  return SpiSetWallpaper(pvParam, fl);
859 
860  case SPI_SETDESKPATTERN:
861  ERR("SPI_SETDESKPATTERN is unimplemented\n");
862  break;
863 
864  case SPI_GETKEYBOARDDELAY:
865  return SpiGetInt(pvParam, &gspv.iKbdDelay, fl);
866 
867  case SPI_SETKEYBOARDDELAY:
868  return SpiSetInt(&gspv.iKbdDelay, uiParam, KEY_KBD, VAL_KBDDELAY, fl);
869 
870  case SPI_ICONHORIZONTALSPACING:
871  if (pvParam)
872  {
873  return SpiGetInt(pvParam, &gspv.im.iHorzSpacing, fl);
874  }
875  uiParam = max(uiParam, 32);
876  return SpiSetMetric(&gspv.im.iHorzSpacing, uiParam, VAL_ICONSPC, fl);
877 
878  case SPI_ICONVERTICALSPACING:
879  if (pvParam)
880  {
881  return SpiGetInt(pvParam, &gspv.im.iVertSpacing, fl);
882  }
883  uiParam = max(uiParam, 32);
884  return SpiSetMetric(&gspv.im.iVertSpacing, uiParam, VAL_ICONVSPC, fl);
885 
886  case SPI_GETICONTITLEWRAP:
887  return SpiGetInt(pvParam, &gspv.im.iTitleWrap, fl);
888 
889  case SPI_SETICONTITLEWRAP:
890  return SpiSetInt(&gspv.im.iTitleWrap, uiParam, KEY_METRIC, VAL_ITWRAP, fl);
891 
892  case SPI_GETMENUDROPALIGNMENT:
893  return SpiGetInt(pvParam, &gspv.bMenuDropAlign, fl);
894 
895  case SPI_SETMENUDROPALIGNMENT:
896  return SpiSetBool(&gspv.bMenuDropAlign, uiParam, KEY_MDALIGN, VAL_MDALIGN, fl);
897 
898  case SPI_SETDOUBLECLKWIDTH:
899  return SpiSetInt(&gspv.iDblClickWidth, uiParam, KEY_MOUSE, VAL_DBLCLKWIDTH, fl);
900 
901  case SPI_SETDOUBLECLKHEIGHT:
902  return SpiSetInt(&gspv.iDblClickHeight, uiParam, KEY_MOUSE, VAL_DBLCLKHEIGHT, fl);
903 
904  case SPI_GETICONTITLELOGFONT:
905  return SpiGet(pvParam, &gspv.im.lfFont, sizeof(LOGFONTW), fl);
906 
907  case SPI_SETICONTITLELOGFONT:
908  if (!SpiSet(&gspv.im.lfFont, pvParam, sizeof(LOGFONTW), fl))
909  return 0;
910  if (fl & SPIF_UPDATEINIFILE)
911  {
912  SpiStoreFont(L"IconFont", &gspv.im.lfFont);
913  }
914  return (UINT_PTR)KEY_METRIC;
915 
916  case SPI_SETDOUBLECLICKTIME:
917  return SpiSetInt(&gspv.iDblClickTime, uiParam, KEY_MOUSE, VAL_DBLCLKTIME, fl);
918 
919  case SPI_SETMOUSEBUTTONSWAP:
920  return SpiSetInt(&gspv.bMouseBtnSwap, uiParam, KEY_MOUSE, VAL_SWAP, fl);
921 
922  case SPI_GETFASTTASKSWITCH:
923  return SpiGetInt(pvParam, &gspv.bFastTaskSwitch, fl);
924 
925  case SPI_SETFASTTASKSWITCH:
926  /* According to Winetest this one is unimplemented */
927  return 1;
928 
929  case SPI_GETDRAGFULLWINDOWS:
930  return SpiGetInt(pvParam, &gspv.bDragFullWindows, fl);
931 
932  case SPI_SETDRAGFULLWINDOWS:
933  return SpiSetInt(&gspv.bDragFullWindows, uiParam, KEY_DESKTOP, VAL_DRAG, fl);
934 
935  case SPI_GETNONCLIENTMETRICS:
936  {
937  return SpiGet(pvParam, &gspv.ncm, sizeof(NONCLIENTMETRICSW), fl);
938  }
939 
940  case SPI_SETNONCLIENTMETRICS:
941  {
942  LPNONCLIENTMETRICSW metrics = (LPNONCLIENTMETRICSW)pvParam;
943 
944  /* Fixup user's structure size */
945  metrics->cbSize = sizeof(NONCLIENTMETRICSW);
946 
947  if (!SpiSet(&gspv.ncm, metrics, sizeof(NONCLIENTMETRICSW), fl))
948  return 0;
949 
950  if (fl & SPIF_UPDATEINIFILE)
951  {
952  SpiStoreMetric(VAL_BORDER, gspv.ncm.iBorderWidth);
953  SpiStoreMetric(L"ScrollWidth", gspv.ncm.iScrollWidth);
954  SpiStoreMetric(L"ScrollHeight", gspv.ncm.iScrollHeight);
955  SpiStoreMetric(L"CaptionWidth", gspv.ncm.iCaptionWidth);
956  SpiStoreMetric(L"CaptionHeight", gspv.ncm.iCaptionHeight);
957  SpiStoreMetric(L"SmCaptionWidth", gspv.ncm.iSmCaptionWidth);
958  SpiStoreMetric(L"SmCaptionHeight", gspv.ncm.iSmCaptionHeight);
959  SpiStoreMetric(L"MenuWidth", gspv.ncm.iMenuWidth);
960  SpiStoreMetric(L"MenuHeight", gspv.ncm.iMenuHeight);
961 #if (WINVER >= 0x0600)
962  SpiStoreMetric(L"PaddedBorderWidth", gspv.ncm.iPaddedBorderWidth);
963 #endif
964  SpiStoreFont(L"CaptionFont", &gspv.ncm.lfCaptionFont);
965  SpiStoreFont(L"SmCaptionFont", &gspv.ncm.lfSmCaptionFont);
966  SpiStoreFont(L"MenuFont", &gspv.ncm.lfMenuFont);
967  SpiStoreFont(L"StatusFont", &gspv.ncm.lfStatusFont);
968  SpiStoreFont(L"MessageFont", &gspv.ncm.lfMessageFont);
969  }
970 
971  if(!SpiNotifyNCMetricsChanged())
972  return 0;
973 
974  return (UINT_PTR)KEY_METRIC;
975  }
976 
977  case SPI_GETMINIMIZEDMETRICS:
978  {
979  return SpiGet(pvParam, &gspv.mm, sizeof(MINIMIZEDMETRICS), fl);
980  }
981 
982  case SPI_SETMINIMIZEDMETRICS:
983  {
984  LPMINIMIZEDMETRICS metrics = (LPMINIMIZEDMETRICS)pvParam;
985 
986  /* Fixup user's structure size */
987  metrics->cbSize = sizeof(MINIMIZEDMETRICS);
988 
989  if (!SpiSet(&gspv.mm, metrics, sizeof(MINIMIZEDMETRICS), fl))
990  return 0;
991 
992  gspv.mm.iWidth = max(0, gspv.mm.iWidth);
993  gspv.mm.iHorzGap = max(0, gspv.mm.iHorzGap);
994  gspv.mm.iVertGap = max(0, gspv.mm.iVertGap);
995  gspv.mm.iArrange = gspv.mm.iArrange & 0xf;
996 
997  if (fl & SPIF_UPDATEINIFILE)
998  {
999  SpiStoreMetric(L"MinWidth", gspv.mm.iWidth);
1000  SpiStoreMetric(L"MinHorzGap", gspv.mm.iHorzGap);
1001  SpiStoreMetric(L"MinVertGap", gspv.mm.iVertGap);
1002  SpiStoreMetric(L"MinArrange", gspv.mm.iArrange);
1003  }
1004 
1005  return (UINT_PTR)KEY_METRIC;
1006  }
1007 
1008  case SPI_GETICONMETRICS:
1009  {
1010  return SpiGet(pvParam, &gspv.im, sizeof(ICONMETRICSW), fl);
1011  }
1012 
1013  case SPI_SETICONMETRICS:
1014  {
1015  LPICONMETRICSW metrics = (LPICONMETRICSW)pvParam;
1016 
1017  /* Fixup user's structure size */
1018  metrics->cbSize = sizeof(ICONMETRICSW);
1019 
1020  if (!SpiSet(&gspv.im, metrics, sizeof(ICONMETRICSW), fl))
1021  return 0;
1022 
1023  if (fl & SPIF_UPDATEINIFILE)
1024  {
1025  SpiStoreMetric(VAL_ICONSPC, gspv.im.iHorzSpacing);
1026  SpiStoreMetric(VAL_ICONVSPC, gspv.im.iVertSpacing);
1027  SpiStoreMetric(VAL_ITWRAP, gspv.im.iTitleWrap);
1028  SpiStoreFont(L"IconFont", &gspv.im.lfFont);
1029  }
1030  return (UINT_PTR)KEY_METRIC;
1031  }
1032 
1033  case SPI_GETWORKAREA:
1034  {
1035  PMONITOR pmonitor = UserGetPrimaryMonitor();
1036 
1037  if(!pmonitor)
1038  return 0;
1039 
1040  return SpiGet(pvParam, &pmonitor->rcWork, sizeof(RECTL), fl);
1041  }
1042 
1043  case SPI_SETWORKAREA:
1044  {
1045  /* FIXME: We should set the work area of the monitor
1046  that contains the specified rectangle */
1047  PMONITOR pmonitor = UserGetPrimaryMonitor();
1048  RECT rcWorkArea;
1049 
1050  if(!pmonitor)
1051  return 0;
1052 
1053  if (!SpiSet(&rcWorkArea, pvParam, sizeof(RECTL), fl))
1054  return 0;
1055 
1056  /* Verify the new values */
1057  if (rcWorkArea.left < 0 ||
1058  rcWorkArea.top < 0 ||
1059  rcWorkArea.right > gpsi->aiSysMet[SM_CXSCREEN] ||
1060  rcWorkArea.bottom > gpsi->aiSysMet[SM_CYSCREEN] ||
1061  rcWorkArea.right <= rcWorkArea.left ||
1062  rcWorkArea.bottom <= rcWorkArea.top)
1063  return 0;
1064 
1065  pmonitor->rcWork = rcWorkArea;
1066  if (fl & SPIF_UPDATEINIFILE)
1067  {
1068  // FIXME: What to do?
1069  }
1070  return (UINT_PTR)KEY_DESKTOP;
1071  }
1072 
1073  case SPI_SETPENWINDOWS:
1074  ERR("SPI_SETPENWINDOWS is unimplemented\n");
1075  break;
1076 
1077  case SPI_GETFILTERKEYS:
1078  {
1079  LPFILTERKEYS FilterKeys = (LPFILTERKEYS)pvParam;
1080 
1081  if (uiParam != 0 && uiParam != sizeof(FILTERKEYS))
1082  return 0;
1083 
1084  if (!FilterKeys || FilterKeys->cbSize != sizeof(FILTERKEYS))
1085  return 0;
1086 
1087  return SpiGet(pvParam, &gspv.filterkeys, sizeof(FILTERKEYS), fl);
1088  }
1089 
1090  case SPI_SETFILTERKEYS:
1091  {
1092  LPFILTERKEYS FilterKeys = (LPFILTERKEYS)pvParam;
1093 
1094  if (uiParam != 0 && uiParam != sizeof(FILTERKEYS))
1095  return 0;
1096 
1097  if (!FilterKeys || FilterKeys->cbSize != sizeof(FILTERKEYS))
1098  return 0;
1099 
1100  if (!SpiSet(&gspv.filterkeys, pvParam, sizeof(FILTERKEYS), fl))
1101  return 0;
1102 
1103  if (fl & SPIF_UPDATEINIFILE)
1104  {
1105  // FIXME: What to do?
1106  }
1107  return (UINT_PTR)KEY_DESKTOP;
1108  }
1109 
1110  case SPI_GETTOGGLEKEYS:
1111  {
1112  LPTOGGLEKEYS ToggleKeys = (LPTOGGLEKEYS)pvParam;
1113 
1114  if (uiParam != 0 && uiParam != sizeof(TOGGLEKEYS))
1115  return 0;
1116 
1117  if (!ToggleKeys || ToggleKeys->cbSize != sizeof(TOGGLEKEYS))
1118  return 0;
1119 
1120  return SpiGet(pvParam, &gspv.togglekeys, sizeof(TOGGLEKEYS), fl);
1121  }
1122 
1123  case SPI_SETTOGGLEKEYS:
1124  {
1125  LPTOGGLEKEYS ToggleKeys = (LPTOGGLEKEYS)pvParam;
1126 
1127  if (uiParam != 0 && uiParam != sizeof(TOGGLEKEYS))
1128  return 0;
1129 
1130  if (!ToggleKeys || ToggleKeys->cbSize != sizeof(TOGGLEKEYS))
1131  return 0;
1132 
1133  if (!SpiSet(&gspv.togglekeys, pvParam, sizeof(TOGGLEKEYS), fl))
1134  return 0;
1135 
1136  if (fl & SPIF_UPDATEINIFILE)
1137  {
1138  // FIXME: What to do?
1139  }
1140  return (UINT_PTR)KEY_DESKTOP;
1141  }
1142 
1143  case SPI_GETMOUSEKEYS:
1144  {
1145  LPMOUSEKEYS MouseKeys = (LPMOUSEKEYS)pvParam;
1146 
1147  if (uiParam != 0 && uiParam != sizeof(MOUSEKEYS))
1148  return 0;
1149 
1150  if (!MouseKeys || MouseKeys->cbSize != sizeof(MOUSEKEYS))
1151  return 0;
1152 
1153  return SpiGet(pvParam, &gspv.mousekeys, sizeof(MOUSEKEYS), fl);
1154  }
1155 
1156  case SPI_SETMOUSEKEYS:
1157  {
1158  LPMOUSEKEYS MouseKeys = (LPMOUSEKEYS)pvParam;
1159 
1160  if (uiParam != 0 && uiParam != sizeof(MOUSEKEYS))
1161  return 0;
1162 
1163  if (!MouseKeys || MouseKeys->cbSize != sizeof(MOUSEKEYS))
1164  return 0;
1165 
1166  if (!SpiSet(&gspv.mousekeys, pvParam, sizeof(MOUSEKEYS), fl))
1167  return 0;
1168 
1169  if (fl & SPIF_UPDATEINIFILE)
1170  {
1171  // FIXME: What to do?
1172  }
1173  return (UINT_PTR)KEY_DESKTOP;
1174  }
1175 
1176  case SPI_GETSHOWSOUNDS:
1177  return SpiGetInt(pvParam, &gspv.bShowSounds, fl);
1178 
1179  case SPI_SETSHOWSOUNDS:
1180  return SpiSetBool(&gspv.bShowSounds, uiParam, KEY_SHOWSNDS, VAL_ON, fl);
1181 
1182  case SPI_GETSTICKYKEYS:
1183  {
1184  LPSTICKYKEYS StickyKeys = (LPSTICKYKEYS)pvParam;
1185 
1186  if (uiParam != 0 && uiParam != sizeof(STICKYKEYS))
1187  return 0;
1188 
1189  if (!StickyKeys || StickyKeys->cbSize != sizeof(STICKYKEYS))
1190  return 0;
1191 
1192  return SpiGetEx(pvParam, &gspv.stickykeys, sizeof(STICKYKEYS), fl);
1193  }
1194 
1195  case SPI_SETSTICKYKEYS:
1196  {
1197  LPSTICKYKEYS StickyKeys = (LPSTICKYKEYS)pvParam;
1198 
1199  if (uiParam != 0 && uiParam != sizeof(STICKYKEYS))
1200  return 0;
1201 
1202  if (!StickyKeys || StickyKeys->cbSize != sizeof(STICKYKEYS))
1203  return 0;
1204 
1205  if (!SpiSet(&gspv.stickykeys, pvParam, sizeof(STICKYKEYS), fl))
1206  return 0;
1207 
1208  if (fl & SPIF_UPDATEINIFILE)
1209  {
1210  // FIXME: What to do?
1211  }
1212  return (UINT_PTR)KEY_DESKTOP;
1213  }
1214 
1215  case SPI_GETACCESSTIMEOUT:
1216  {
1217  LPACCESSTIMEOUT AccessTimeout = (LPACCESSTIMEOUT)pvParam;
1218 
1219  if (uiParam != 0 && uiParam != sizeof(ACCESSTIMEOUT))
1220  return 0;
1221 
1222  if (!AccessTimeout || AccessTimeout->cbSize != sizeof(ACCESSTIMEOUT))
1223  return 0;
1224 
1225  return SpiGetEx(pvParam, &gspv.accesstimeout, sizeof(ACCESSTIMEOUT), fl);
1226  }
1227 
1228  case SPI_SETACCESSTIMEOUT:
1229  {
1230  LPACCESSTIMEOUT AccessTimeout = (LPACCESSTIMEOUT)pvParam;
1231 
1232  if (uiParam != 0 && uiParam != sizeof(ACCESSTIMEOUT))
1233  {
1234  return 0;
1235  }
1236 
1237  if (!AccessTimeout || AccessTimeout->cbSize != sizeof(ACCESSTIMEOUT))
1238  {
1239  return 0;
1240  }
1241 
1242  if (!SpiSet(&gspv.accesstimeout, pvParam, sizeof(ACCESSTIMEOUT), fl))
1243  return 0;
1244 
1245  if (fl & SPIF_UPDATEINIFILE)
1246  {
1247  // FIXME: What to do?
1248  }
1249  return (UINT_PTR)KEY_DESKTOP;
1250  }
1251 
1252  case SPI_GETSERIALKEYS:
1253  {
1254  LPSERIALKEYS SerialKeys = (LPSERIALKEYS)pvParam;
1255 
1256  if (uiParam != 0 && uiParam != sizeof(SERIALKEYS))
1257  return 0;
1258 
1259  if (!SerialKeys || SerialKeys->cbSize != sizeof(SERIALKEYS))
1260  return 0;
1261 
1262  return SpiGet(pvParam, &gspv.serialkeys, sizeof(SERIALKEYS), fl);
1263  }
1264 
1265  case SPI_SETSERIALKEYS:
1266  {
1267  LPSERIALKEYS SerialKeys = (LPSERIALKEYS)pvParam;
1268 
1269  if (uiParam != 0 && uiParam != sizeof(SERIALKEYS))
1270  return 0;
1271 
1272  if (!SerialKeys || SerialKeys->cbSize != sizeof(SERIALKEYS))
1273  return 0;
1274 
1275  if (!SpiSet(&gspv.serialkeys, pvParam, sizeof(SERIALKEYS), fl))
1276  return 0;
1277 
1278  if (fl & SPIF_UPDATEINIFILE)
1279  {
1280  // FIXME: What to do?
1281  }
1282  return (UINT_PTR)KEY_DESKTOP;
1283  }
1284 
1285  case SPI_GETSOUNDSENTRY:
1286  {
1287  LPSOUNDSENTRYW SoundsEntry = (LPSOUNDSENTRYW)pvParam;
1288 
1289  if (uiParam != 0 && uiParam != sizeof(SOUNDSENTRYW))
1290  return 0;
1291 
1292  if (!SoundsEntry || SoundsEntry->cbSize != sizeof(SOUNDSENTRYW))
1293  return 0;
1294 
1295  return SpiGet(pvParam, &gspv.soundsentry, sizeof(SOUNDSENTRYW), fl);
1296  }
1297 
1298  case SPI_SETSOUNDSENTRY:
1299  {
1300  LPSOUNDSENTRYW SoundsEntry = (LPSOUNDSENTRYW)pvParam;
1301 
1302  if (uiParam != 0 && uiParam != sizeof(SOUNDSENTRYW))
1303  return 0;
1304 
1305  if (!SoundsEntry || SoundsEntry->cbSize != sizeof(SOUNDSENTRYW))
1306  return 0;
1307 
1308  if (!SpiSet(&gspv.soundsentry, pvParam, sizeof(SOUNDSENTRYW), fl))
1309  return 0;
1310 
1311  if (fl & SPIF_UPDATEINIFILE)
1312  {
1313  // FIXME: What to do?
1314  }
1315  return (UINT_PTR)KEY_DESKTOP;
1316  }
1317 
1318  case SPI_GETHIGHCONTRAST:
1319  {
1320  LPHIGHCONTRASTW highcontrast = (LPHIGHCONTRASTW)pvParam;
1321 
1322  if (uiParam != 0 && uiParam != sizeof(HIGHCONTRASTW))
1323  return 0;
1324 
1325  if (!highcontrast || highcontrast->cbSize != sizeof(HIGHCONTRASTW))
1326  return 0;
1327 
1328  return SpiGet(pvParam, &gspv.highcontrast, sizeof(HIGHCONTRASTW), fl);
1329  }
1330 
1331  case SPI_SETHIGHCONTRAST:
1332  {
1333  LPHIGHCONTRASTW highcontrast = (LPHIGHCONTRASTW)pvParam;
1334 
1335  if (uiParam != 0 && uiParam != sizeof(HIGHCONTRASTW))
1336  return 0;
1337 
1338  if (!highcontrast || highcontrast->cbSize != sizeof(HIGHCONTRASTW))
1339  return 0;
1340 
1341  if (!SpiSet(&gspv.highcontrast, pvParam, sizeof(HIGHCONTRASTW), fl))
1342  return 0;
1343 
1344  if (fl & SPIF_UPDATEINIFILE)
1345  {
1346  // FIXME: What to do?
1347  }
1348  return (UINT_PTR)KEY_DESKTOP;
1349  }
1350 
1351  case SPI_GETKEYBOARDPREF:
1352  return SpiGetInt(pvParam, &gspv.bKbdPref, fl);
1353 
1354  case SPI_SETKEYBOARDPREF:
1355  return SpiSetBool(&gspv.bKbdPref, uiParam, KEY_KDBPREF, VAL_ON, fl);
1356 
1357  case SPI_GETSCREENREADER:
1358  return SpiGetInt(pvParam, &gspv.bScreenReader, fl);
1359 
1360  case SPI_SETSCREENREADER:
1361  return SpiSetBool(&gspv.bScreenReader, uiParam, KEY_SCRREAD, VAL_ON, fl);
1362 
1363  case SPI_GETANIMATION:
1364  return SpiGet(pvParam, &gspv.animationinfo, sizeof(ANIMATIONINFO), fl);
1365 
1366  case SPI_SETANIMATION:
1367  if (!SpiSet(&gspv.animationinfo, pvParam, sizeof(ANIMATIONINFO), fl))
1368  return 0;
1369  if (fl & SPIF_UPDATEINIFILE)
1370  {
1371  // FIXME: What to do?
1372  }
1373  return (UINT_PTR)KEY_DESKTOP;
1374 
1375  case SPI_GETFONTSMOOTHING:
1376  return SpiGetInt(pvParam, &gspv.bFontSmoothing, fl);
1377 
1378  case SPI_SETFONTSMOOTHING:
1379  gspv.bFontSmoothing = (uiParam == 2);
1380  if (fl & SPIF_UPDATEINIFILE)
1381  {
1382  SpiStoreSz(KEY_DESKTOP, VAL_FONTSMOOTHING, (uiParam == 2) ? L"2" : L"0");
1383  }
1384  return (UINT_PTR)KEY_DESKTOP;
1385 
1386  case SPI_SETDRAGWIDTH:
1387  return SpiSetInt(&gspv.iDragWidth, uiParam, KEY_DESKTOP, VAL_DRAGWIDTH, fl);
1388 
1389  case SPI_SETDRAGHEIGHT:
1390  return SpiSetInt(&gspv.iDragHeight, uiParam, KEY_DESKTOP, VAL_DRAGHEIGHT, fl);
1391 
1392  case SPI_SETHANDHELD:
1393  return SpiSetBool(&gspv.bHandHeld, uiParam, KEY_DESKTOP, L"HandHeld", fl);
1394 
1395  case SPI_GETLOWPOWERTIMEOUT:
1396  return SpiGetInt(pvParam, &gspv.iLowPwrTimeout, fl);
1397 
1398  case SPI_GETPOWEROFFTIMEOUT:
1399  return SpiGetInt(pvParam, &gspv.iPwrOffTimeout, fl);
1400 
1401  case SPI_SETLOWPOWERTIMEOUT:
1402  return SpiSetInt(&gspv.iLowPwrTimeout, uiParam, KEY_DESKTOP, L"LowPowerTimeOut", fl);
1403 
1404  case SPI_SETPOWEROFFTIMEOUT:
1405  return SpiSetInt(&gspv.iPwrOffTimeout, uiParam, KEY_DESKTOP, L"PowerOffTimeOut", fl);
1406 
1407  case SPI_GETLOWPOWERACTIVE:
1408  return SpiGetInt(pvParam, &gspv.iPwrOffTimeout, fl);
1409 
1410  case SPI_GETPOWEROFFACTIVE:
1411  return SpiGetInt(pvParam, &gspv.bPwrOffActive, fl);
1412 
1413  case SPI_SETLOWPOWERACTIVE:
1414  return SpiSetBool(&gspv.bLowPwrActive, uiParam, KEY_DESKTOP, L"LowPowerActive", fl);
1415 
1416  case SPI_SETPOWEROFFACTIVE:
1417  return SpiSetBool(&gspv.bPwrOffActive, uiParam, KEY_DESKTOP, L"PowerOffActive", fl);
1418 
1419  case SPI_SETCURSORS:
1420  ERR("SPI_SETCURSORS is unimplemented\n");
1421  break;
1422 
1423  case SPI_SETICONS:
1424  ERR("SPI_SETICONS is unimplemented\n");
1425  break;
1426 
1427  case SPI_GETDEFAULTINPUTLANG:
1428  if (!gspklBaseLayout)
1429  return FALSE;
1430 
1431  return SpiGet(pvParam, &gspklBaseLayout->hkl, sizeof(HKL), fl);
1432 
1433  case SPI_SETDEFAULTINPUTLANG:
1434  {
1435  HKL hkl;
1436 
1437  /* Note: SPIF_UPDATEINIFILE is not supported */
1438  if ((fl & SPIF_UPDATEINIFILE) || !SpiSet(&hkl, pvParam, sizeof(hkl), fl))
1439  return FALSE;
1440 
1441  return UserSetDefaultInputLang(hkl);
1442  }
1443 
1444  case SPI_SETLANGTOGGLE:
1445  gdwLanguageToggleKey = UserGetLanguageToggle();
1446  return gdwLanguageToggleKey;
1447  break;
1448 
1449  case SPI_GETWINDOWSEXTENSION:
1450  ERR("SPI_GETWINDOWSEXTENSION is unimplemented\n");
1451  break;
1452 
1453  case SPI_GETMOUSETRAILS:
1454  return SpiGetInt(pvParam, &gspv.iMouseTrails, fl);
1455 
1456  case SPI_SETMOUSETRAILS:
1457  return SpiSetInt(&gspv.iMouseTrails, uiParam, KEY_MOUSE, VAL_MOUSETRAILS, fl);
1458 
1459  case SPI_GETSNAPTODEFBUTTON:
1460  return SpiGetInt(pvParam, &gspv.bSnapToDefBtn, fl);
1461 
1462  case SPI_SETSNAPTODEFBUTTON:
1463  return SpiSetBool(&gspv.bSnapToDefBtn, uiParam, KEY_MOUSE, VAL_SNAPDEFBTN, fl);
1464 
1465  case SPI_GETMOUSEHOVERWIDTH:
1466  return SpiGetInt(pvParam, &gspv.iMouseHoverWidth, fl);
1467 
1468  case SPI_SETMOUSEHOVERWIDTH:
1469  return SpiSetInt(&gspv.iMouseHoverWidth, uiParam, KEY_MOUSE, VAL_HOVERWIDTH, fl);
1470 
1471  case SPI_GETMOUSEHOVERHEIGHT:
1472  return SpiGetInt(pvParam, &gspv.iMouseHoverHeight, fl);
1473 
1474  case SPI_SETMOUSEHOVERHEIGHT:
1475  return SpiSetInt(&gspv.iMouseHoverHeight, uiParam, KEY_MOUSE, VAL_HOVERHEIGHT, fl);
1476 
1477  case SPI_GETMOUSEHOVERTIME:
1478  return SpiGetInt(pvParam, &gspv.iMouseHoverTime, fl);
1479 
1480  case SPI_SETMOUSEHOVERTIME:
1481  /* See http://msdn2.microsoft.com/en-us/library/ms724947.aspx
1482  * copy text from it, if some agument why xp and 2003 behovir diffent
1483  * only if they do not have SP install
1484  * " Windows Server 2003 and Windows XP: The operating system does not
1485  * enforce the use of USER_TIMER_MAXIMUM and USER_TIMER_MINIMUM until
1486  * Windows Server 2003 SP1 and Windows XP SP2 "
1487  */
1488  return SpiSetInt(&gspv.iMouseHoverTime, uiParam, KEY_MOUSE, VAL_HOVERTIME, fl);
1489 
1490  case SPI_GETWHEELSCROLLLINES:
1491  return SpiGetInt(pvParam, &gspv.iWheelScrollLines, fl);
1492 
1493  case SPI_SETWHEELSCROLLLINES:
1494  return SpiSetInt(&gspv.iWheelScrollLines, uiParam, KEY_DESKTOP, VAL_SCRLLLINES, fl);
1495 
1496  case SPI_GETMENUSHOWDELAY:
1497  return SpiGetInt(pvParam, &gspv.dwMenuShowDelay, fl);
1498 
1499  case SPI_SETMENUSHOWDELAY:
1500  return SpiSetInt(&gspv.dwMenuShowDelay, uiParam, KEY_DESKTOP, L"MenuShowDelay", fl);
1501 
1502 #if (_WIN32_WINNT >= 0x0600)
1503  case SPI_GETWHEELSCROLLCHARS:
1504  return SpiGetInt(pvParam, &gspv.uiWheelScrollChars, fl);
1505 
1506  case SPI_SETWHEELSCROLLCHARS:
1507  return SpiSetInt(&gspv.uiWheelScrollChars, uiParam, KEY_DESKTOP, VAL_SCRLLCHARS, fl);
1508 #endif
1509  case SPI_GETSHOWIMEUI:
1510  return SpiGetInt(pvParam, &gspv.bShowImeUi, fl);
1511 
1512  case SPI_SETSHOWIMEUI:
1513  return SpiSetBool(&gspv.bShowImeUi, uiParam, KEY_DESKTOP, L"", fl);
1514 
1515  case SPI_GETMOUSESPEED:
1516  return SpiGetInt(pvParam, &gspv.iMouseSpeed, fl);
1517 
1518  case SPI_SETMOUSESPEED:
1519  {
1520  /* Allowed range is [1:20] */
1521  if ((INT_PTR)pvParam < 1 || (INT_PTR)pvParam > 20)
1522  return 0;
1523  else
1524  return SpiSetInt(&gspv.iMouseSpeed, (INT_PTR)pvParam, KEY_MOUSE, VAL_SENSITIVITY, fl);
1525  }
1526 
1527  case SPI_GETSCREENSAVERRUNNING:
1528  return SpiGetInt(pvParam, &gspv.bScrSaverRunning, fl);
1529 
1530  case SPI_SETSCREENSAVERRUNNING:
1531  // FIXME: also return value?
1532  return SpiSetBool(&gspv.bScrSaverRunning, uiParam, KEY_MOUSE, L"", fl);
1533 
1534 #if(WINVER >= 0x0600)
1535  case SPI_GETAUDIODESCRIPTION:
1536  return SpiGet(pvParam, &gspv.audiodescription, sizeof(AUDIODESCRIPTION), fl);
1537 
1538  case SPI_SETAUDIODESCRIPTION:
1539  ERR("SPI_SETAUDIODESCRIPTION is unimplemented\n");
1540  break;
1541 
1542  case SPI_GETSCREENSAVESECURE:
1543  return SpiGetInt(pvParam, &gspv.bScrSaverSecure, fl);
1544 
1545  case SPI_SETSCREENSAVESECURE:
1546  return SpiSetBool(&gspv.bScrSaverSecure, uiParam, KEY_DESKTOP, L"ScreenSaverIsSecure", fl);
1547 #endif
1548 
1549  case SPI_GETACTIVEWINDOWTRACKING:
1550  return SpiGetUserPref(UPM_ACTIVEWINDOWTRACKING, pvParam, fl);
1551 
1552  case SPI_SETACTIVEWINDOWTRACKING:
1553  return SpiSetUserPref(UPM_ACTIVEWINDOWTRACKING, pvParam, fl);
1554 
1555  case SPI_GETMENUANIMATION:
1556  return SpiGetUserPref(UPM_MENUANIMATION, pvParam, fl);
1557 
1558  case SPI_SETMENUANIMATION:
1559  return SpiSetUserPref(UPM_MENUANIMATION, pvParam, fl);
1560 
1561  case SPI_GETCOMBOBOXANIMATION:
1562  return SpiGetUserPref(UPM_COMBOBOXANIMATION, pvParam, fl);
1563 
1564  case SPI_SETCOMBOBOXANIMATION:
1565  return SpiSetUserPref(UPM_COMBOBOXANIMATION, pvParam, fl);
1566 
1567  case SPI_GETLISTBOXSMOOTHSCROLLING:
1568  return SpiGetUserPref(UPM_LISTBOXSMOOTHSCROLLING, pvParam, fl);
1569 
1570  case SPI_SETLISTBOXSMOOTHSCROLLING:
1571  return SpiSetUserPref(UPM_LISTBOXSMOOTHSCROLLING, pvParam, fl);
1572 
1573  case SPI_GETGRADIENTCAPTIONS:
1574  return SpiGetUserPref(UPM_GRADIENTCAPTIONS, pvParam, fl);
1575 
1576  case SPI_SETGRADIENTCAPTIONS:
1577  return SpiSetUserPref(UPM_GRADIENTCAPTIONS, pvParam, fl);
1578 
1579  case SPI_GETKEYBOARDCUES:
1580  return SpiGetUserPref(UPM_KEYBOARDCUES, pvParam, fl);
1581 
1582  case SPI_SETKEYBOARDCUES:
1583  return SpiSetUserPref(UPM_KEYBOARDCUES, pvParam, fl);
1584 
1585  case SPI_GETACTIVEWNDTRKZORDER:
1586  return SpiGetUserPref(UPM_ACTIVEWNDTRKZORDER, pvParam, fl);
1587 
1588  case SPI_SETACTIVEWNDTRKZORDER:
1589  return SpiSetUserPref(UPM_ACTIVEWNDTRKZORDER, pvParam, fl);
1590 
1591  case SPI_GETHOTTRACKING:
1592  return SpiGetUserPref(UPM_HOTTRACKING, pvParam, fl);
1593 
1594  case SPI_SETHOTTRACKING:
1595  return SpiSetUserPref(UPM_HOTTRACKING, pvParam, fl);
1596 
1597  case SPI_GETMENUFADE:
1598  return SpiGetUserPref(UPM_MENUFADE, pvParam, fl);
1599 
1600  case SPI_SETMENUFADE:
1601  return SpiSetUserPref(UPM_MENUFADE, pvParam, fl);
1602 
1603  case SPI_GETSELECTIONFADE:
1604  return SpiGetUserPref(UPM_SELECTIONFADE, pvParam, fl);
1605 
1606  case SPI_SETSELECTIONFADE:
1607  return SpiSetUserPref(UPM_SELECTIONFADE, pvParam, fl);
1608 
1609  case SPI_GETTOOLTIPANIMATION:
1610  return SpiGetUserPref(UPM_TOOLTIPANIMATION, pvParam, fl);
1611 
1612  case SPI_SETTOOLTIPANIMATION:
1613  return SpiSetUserPref(UPM_TOOLTIPANIMATION, pvParam, fl);
1614 
1615  case SPI_GETTOOLTIPFADE:
1616  return SpiGetUserPref(UPM_TOOLTIPFADE, pvParam, fl);
1617 
1618  case SPI_SETTOOLTIPFADE:
1619  return SpiSetUserPref(UPM_TOOLTIPFADE, pvParam, fl);
1620 
1621  case SPI_GETCURSORSHADOW:
1622  return SpiGetUserPref(UPM_CURSORSHADOW, pvParam, fl);
1623 
1624  case SPI_SETCURSORSHADOW:
1625  gspv.bMouseCursorShadow = PtrToUlong(pvParam);
1626  return SpiSetUserPref(UPM_CURSORSHADOW, pvParam, fl);
1627 
1628  case SPI_GETUIEFFECTS:
1629  return SpiGetUserPref(UPM_UIEFFECTS, pvParam, fl);
1630 
1631  case SPI_SETUIEFFECTS:
1632  return SpiSetUserPref(UPM_UIEFFECTS, pvParam, fl);
1633 
1634  case SPI_GETMOUSESONAR:
1635  return SpiGetInt(pvParam, &gspv.bMouseSonar, fl);
1636 
1637  case SPI_SETMOUSESONAR:
1638  return SpiSetBool(&gspv.bMouseSonar, uiParam, KEY_MOUSE, L"", fl);
1639 
1640  case SPI_GETMOUSECLICKLOCK:
1641  return SpiGetUserPref(UPM_CLICKLOCK, pvParam, fl);
1642 
1643  case SPI_SETMOUSECLICKLOCK:
1644  gspv.bMouseClickLock = PtrToUlong(pvParam);
1645  return SpiSetUserPref(UPM_CLICKLOCK, pvParam, fl);
1646 
1647  case SPI_GETMOUSEVANISH:
1648  return SpiGetInt(pvParam, &gspv.bMouseVanish, fl);
1649 
1650  case SPI_SETMOUSEVANISH:
1651  return SpiSetBool(&gspv.bMouseVanish, uiParam, KEY_MOUSE, L"", fl);
1652 
1653  case SPI_GETFLATMENU:
1654  return SpiGetUserPref(UPM_FLATMENU, pvParam, fl);
1655 
1656  case SPI_SETFLATMENU:
1657  return SpiSetUserPref(UPM_FLATMENU, pvParam, fl);
1658 
1659  case SPI_GETDROPSHADOW:
1660  return SpiGetUserPref(UPM_DROPSHADOW, pvParam, fl);
1661 
1662  case SPI_SETDROPSHADOW:
1663  return SpiSetUserPref(UPM_DROPSHADOW, pvParam, fl);
1664 
1665  case SPI_GETBLOCKSENDINPUTRESETS:
1666  return SpiGetInt(pvParam, &gspv.bBlockSendInputResets, fl);
1667 
1668  case SPI_SETBLOCKSENDINPUTRESETS:
1669  return SpiSetBool(&gspv.bBlockSendInputResets, uiParam, KEY_MOUSE, L"", fl);
1670 
1671 #if(_WIN32_WINNT >= 0x0600)
1672  case SPI_GETDISABLEOVERLAPPEDCONTENT:
1673  return SpiGetInt(pvParam, &gspv.bDisableOverlappedContent, fl);
1674 
1675  case SPI_SETDISABLEOVERLAPPEDCONTENT:
1676  return SpiSetBool(&gspv.bDisableOverlappedContent, uiParam, KEY_MOUSE, L"", fl);
1677 
1678  case SPI_GETCLIENTAREAANIMATION:
1679  return SpiGetInt(pvParam, &gspv.bClientAreaAnimation, fl);
1680 
1681  case SPI_SETCLIENTAREAANIMATION:
1682  return SpiSetBool(&gspv.bClientAreaAnimation, uiParam, KEY_MOUSE, L"", fl);
1683 
1684  case SPI_GETCLEARTYPE:
1685  return SpiGetInt(pvParam, &gspv.bClearType, fl);
1686 
1687  case SPI_SETCLEARTYPE:
1688  return SpiSetBool(&gspv.bClearType, uiParam, KEY_MOUSE, L"", fl);
1689 
1690  case SPI_GETSPEECHRECOGNITION:
1691  return SpiGetInt(pvParam, &gspv.bSpeechRecognition, fl);
1692 
1693  case SPI_SETSPEECHRECOGNITION:
1694  return SpiSetBool(&gspv.bSpeechRecognition, uiParam, KEY_MOUSE, L"", fl);
1695 #endif
1696 
1697  case SPI_GETFOREGROUNDLOCKTIMEOUT:
1698  return SpiGetInt(pvParam, &gspv.dwForegroundLockTimeout, fl);
1699 
1700  case SPI_SETFOREGROUNDLOCKTIMEOUT:
1701  return SpiSetInt(&gspv.dwForegroundLockTimeout, uiParam, KEY_MOUSE, L"", fl);
1702 
1703  case SPI_GETACTIVEWNDTRKTIMEOUT:
1704  return SpiGetInt(pvParam, &gspv.dwActiveTrackingTimeout, fl);
1705 
1706  case SPI_SETACTIVEWNDTRKTIMEOUT:
1707  return SpiSetInt(&gspv.dwActiveTrackingTimeout, uiParam, KEY_MOUSE, L"", fl);
1708 
1709  case SPI_GETFOREGROUNDFLASHCOUNT:
1710  return SpiGetInt(pvParam, &gspv.dwForegroundFlashCount, fl);
1711 
1712  case SPI_SETFOREGROUNDFLASHCOUNT:
1713  return SpiSetInt(&gspv.dwForegroundFlashCount, uiParam, KEY_MOUSE, L"", fl);
1714 
1715  case SPI_GETCARETWIDTH:
1716  return SpiGetInt(pvParam, &gspv.dwCaretWidth, fl);
1717 
1718  case SPI_SETCARETWIDTH:
1719  return SpiSetInt(&gspv.dwCaretWidth, uiParam, KEY_MOUSE, L"", fl);
1720 
1721  case SPI_GETMOUSECLICKLOCKTIME:
1722  return SpiGetInt(pvParam, &gspv.dwMouseClickLockTime, fl);
1723 
1724  case SPI_SETMOUSECLICKLOCKTIME:
1725  return SpiSetDWord(&gspv.dwMouseClickLockTime, uiParam, KEY_DESKTOP, VAL_CLICKLOCKTIME, fl);
1726 
1727  case SPI_GETFONTSMOOTHINGTYPE:
1728  return SpiGetInt(pvParam, &gspv.uiFontSmoothingType, fl);
1729 
1730  case SPI_SETFONTSMOOTHINGTYPE:
1731  return SpiSetDWord(&gspv.uiFontSmoothingType, PtrToUlong(pvParam), KEY_DESKTOP, VAL_FONTSMOOTHINGTYPE, fl);
1732 
1733  case SPI_GETFONTSMOOTHINGCONTRAST:
1734  return SpiGetInt(pvParam, &gspv.uiFontSmoothingContrast, fl);
1735 
1736  case SPI_SETFONTSMOOTHINGCONTRAST:
1737  return SpiSetDWord(&gspv.uiFontSmoothingContrast, PtrToUlong(pvParam), KEY_DESKTOP, VAL_FONTSMOOTHINGCONTRAST, fl);
1738 
1739  case SPI_GETFOCUSBORDERWIDTH:
1740  return SpiGetInt(pvParam, &gspv.uiFocusBorderWidth, fl);
1741 
1742  case SPI_SETFOCUSBORDERWIDTH:
1743  return SpiSetInt(&gspv.uiFocusBorderWidth, uiParam, KEY_MOUSE, L"", fl);
1744 
1745  case SPI_GETFOCUSBORDERHEIGHT:
1746  return SpiGetInt(pvParam, &gspv.uiFocusBorderHeight, fl);
1747 
1748  case SPI_SETFOCUSBORDERHEIGHT:
1749  return SpiSetInt(&gspv.uiFocusBorderHeight, uiParam, KEY_MOUSE, L"", fl);
1750 
1751  case SPI_GETFONTSMOOTHINGORIENTATION:
1752  return SpiGetInt(pvParam, &gspv.uiFontSmoothingOrientation, fl);
1753 
1754  case SPI_SETFONTSMOOTHINGORIENTATION:
1755  return SpiSetDWord(&gspv.uiFontSmoothingOrientation, PtrToUlong(pvParam), KEY_DESKTOP, VAL_FONTSMOOTHINGORIENTATION, fl);
1756 
1757  /* The following are undocumented, but valid SPI values */
1758  case 0x1010:
1759  case 0x1011:
1760  case 0x1028:
1761  case 0x1029:
1762  case 0x102A:
1763  case 0x102B:
1764  case 0x102C:
1765  case 0x102D:
1766  case 0x102E:
1767  case 0x102F:
1768  case 0x1030:
1769  case 0x1031:
1770  case 0x1032:
1771  case 0x1033:
1772  case 0x1034:
1773  case 0x1035:
1774  case 0x1036:
1775  case 0x1037:
1776  case 0x1038:
1777  case 0x1039:
1778  case 0x103A:
1779  case 0x103B:
1780  case 0x103C:
1781  case 0x103D:
1782  ERR("Undocumented SPI value %x is unimplemented\n", uiAction);
1783  break;
1784 
1785  default:
1786  ERR("Invalid SPI value: %u\n", uiAction);
1787  EngSetLastError(ERROR_INVALID_PARAMETER);
1788  return 0;
1789  }
1790 
1791  return 0;
1792 }
1793 
1794 static BOOL
1795 SpiGetSetProbeBuffer(UINT uiAction, UINT uiParam, PVOID pvParam)
1796 {
1797  BOOL bToUser = TRUE;
1798  ULONG cbSize = 0;
1799 
1800  switch (uiAction)
1801  {
1802  case SPI_GETBEEP:
1803  case SPI_GETBORDER:
1804  case SPI_GETKEYBOARDSPEED:
1805  case SPI_GETSCREENSAVETIMEOUT:
1806  case SPI_GETSCREENSAVEACTIVE:
1807  case SPI_GETGRIDGRANULARITY:
1808  case SPI_GETKEYBOARDDELAY:
1809  case SPI_GETICONTITLEWRAP:
1810  case SPI_GETMENUDROPALIGNMENT:
1811  case SPI_GETFASTTASKSWITCH:
1812  case SPI_GETDRAGFULLWINDOWS:
1813  case SPI_GETSHOWSOUNDS:
1814  case SPI_GETKEYBOARDPREF:
1815  case SPI_GETSCREENREADER:
1816  case SPI_GETFONTSMOOTHING:
1817  case SPI_GETLOWPOWERTIMEOUT:
1818  case SPI_GETPOWEROFFTIMEOUT:
1819  case SPI_GETLOWPOWERACTIVE:
1820  case SPI_GETPOWEROFFACTIVE:
1821  case SPI_GETMOUSETRAILS:
1822  case SPI_GETSNAPTODEFBUTTON:
1823  case SPI_GETMOUSEHOVERWIDTH:
1824  case SPI_GETMOUSEHOVERHEIGHT:
1825  case SPI_GETMOUSEHOVERTIME:
1826  case SPI_GETWHEELSCROLLLINES:
1827  case SPI_GETMENUSHOWDELAY:
1828 #if (_WIN32_WINNT >= 0x0600)
1829  case SPI_GETWHEELSCROLLCHARS:
1830 #endif
1831  case SPI_GETSHOWIMEUI:
1832  case SPI_GETMOUSESPEED:
1833  case SPI_GETSCREENSAVERRUNNING:
1834 #if(WINVER >= 0x0600)
1835  case SPI_GETSCREENSAVESECURE:
1836 #endif
1837  case SPI_GETACTIVEWINDOWTRACKING:
1838  case SPI_GETMENUANIMATION:
1839  case SPI_GETCOMBOBOXANIMATION:
1840  case SPI_GETLISTBOXSMOOTHSCROLLING:
1841  case SPI_GETGRADIENTCAPTIONS:
1842  case SPI_GETKEYBOARDCUES:
1843  case SPI_GETACTIVEWNDTRKZORDER:
1844  case SPI_GETHOTTRACKING:
1845  case SPI_GETMENUFADE:
1846  case SPI_GETSELECTIONFADE:
1847  case SPI_GETTOOLTIPANIMATION:
1848  case SPI_GETTOOLTIPFADE:
1849  case SPI_GETCURSORSHADOW:
1850  case SPI_GETUIEFFECTS:
1851  case SPI_GETMOUSESONAR:
1852  case SPI_GETMOUSECLICKLOCK:
1853  case SPI_GETMOUSEVANISH:
1854  case SPI_GETFLATMENU:
1855  case SPI_GETDROPSHADOW:
1856  case SPI_GETBLOCKSENDINPUTRESETS:
1857 #if(_WIN32_WINNT >= 0x0600)
1858  case SPI_GETDISABLEOVERLAPPEDCONTENT:
1859  case SPI_GETCLIENTAREAANIMATION:
1860  case SPI_GETCLEARTYPE:
1861  case SPI_GETSPEECHRECOGNITION:
1862 #endif
1863  case SPI_GETFOREGROUNDLOCKTIMEOUT:
1864  case SPI_GETACTIVEWNDTRKTIMEOUT:
1865  case SPI_GETFOREGROUNDFLASHCOUNT:
1866  case SPI_GETCARETWIDTH:
1867  case SPI_GETMOUSECLICKLOCKTIME:
1868  case SPI_GETFONTSMOOTHINGTYPE:
1869  case SPI_GETFONTSMOOTHINGCONTRAST:
1870  case SPI_GETFOCUSBORDERWIDTH:
1871  case SPI_GETFOCUSBORDERHEIGHT:
1872  case SPI_GETFONTSMOOTHINGORIENTATION:
1873  cbSize = sizeof(INT);
1874  break;
1875 
1876  case SPI_ICONHORIZONTALSPACING:
1877  case SPI_ICONVERTICALSPACING:
1878  if (pvParam) cbSize = sizeof(INT);
1879  break;
1880 
1881  case SPI_GETMOUSE:
1882  cbSize = 3 * sizeof(INT);
1883  break;
1884 
1885  case SPI_GETDESKWALLPAPER:
1886  cbSize = min(uiParam, gspv.ustrWallpaper.Length + 1UL);
1887  break;
1888 
1889  case SPI_GETICONTITLELOGFONT:
1890  cbSize = sizeof(LOGFONTW);
1891  break;
1892 
1893  case SPI_GETNONCLIENTMETRICS:
1894  cbSize = sizeof(NONCLIENTMETRICSW);
1895  break;
1896 
1897  case SPI_GETMINIMIZEDMETRICS:
1898  cbSize = sizeof(MINIMIZEDMETRICS);
1899  break;
1900 
1901  case SPI_GETICONMETRICS:
1902  cbSize = sizeof(ICONMETRICSW);
1903  break;
1904 
1905  case SPI_GETWORKAREA:
1906  cbSize = sizeof(RECTL);
1907  break;
1908 
1909  case SPI_GETFILTERKEYS:
1910  cbSize = sizeof(FILTERKEYS);
1911  break;
1912 
1913  case SPI_GETTOGGLEKEYS:
1914  cbSize = sizeof(TOGGLEKEYS);
1915  break;
1916 
1917  case SPI_GETMOUSEKEYS:
1918  cbSize = sizeof(MOUSEKEYS);
1919  break;
1920 
1921  case SPI_GETSTICKYKEYS:
1922  cbSize = sizeof(STICKYKEYS);
1923  break;
1924 
1925  case SPI_GETACCESSTIMEOUT:
1926  cbSize = sizeof(ACCESSTIMEOUT);
1927  break;
1928 
1929  case SPI_GETSERIALKEYS:
1930  cbSize = sizeof(SERIALKEYS);
1931  break;
1932 
1933  case SPI_GETSOUNDSENTRY:
1934  cbSize = sizeof(SOUNDSENTRYW);
1935  break;
1936 
1937  case SPI_GETHIGHCONTRAST:
1938  cbSize = sizeof(HIGHCONTRASTW);
1939  break;
1940 
1941  case SPI_GETANIMATION:
1942  cbSize = sizeof(ANIMATIONINFO);
1943  break;
1944 
1945  case SPI_GETDEFAULTINPUTLANG:
1946  cbSize = sizeof(HKL);
1947  break;
1948 
1949 #if(WINVER >= 0x0600)
1950  case SPI_GETAUDIODESCRIPTION:
1951  cbSize = sizeof(AUDIODESCRIPTION);
1952  break;
1953 #endif
1954 
1955  case SPI_SETMOUSE:
1956  cbSize = 3 * sizeof(INT);
1957  bToUser = FALSE;
1958  break;
1959 
1960  case SPI_SETICONTITLELOGFONT:
1961  cbSize = sizeof(LOGFONTW);
1962  bToUser = FALSE;
1963  break;
1964 
1965  case SPI_SETNONCLIENTMETRICS:
1966  cbSize = sizeof(NONCLIENTMETRICSW);
1967  bToUser = FALSE;
1968  break;
1969 
1970  case SPI_SETMINIMIZEDMETRICS:
1971  cbSize = sizeof(MINIMIZEDMETRICS);
1972  bToUser = FALSE;
1973  break;
1974 
1975  case SPI_SETICONMETRICS:
1976  cbSize = sizeof(ICONMETRICSW);
1977  bToUser = FALSE;
1978  break;
1979 
1980  case SPI_SETWORKAREA:
1981  cbSize = sizeof(RECTL);
1982  bToUser = FALSE;
1983  break;
1984 
1985  case SPI_SETFILTERKEYS:
1986  cbSize = sizeof(FILTERKEYS);
1987  bToUser = FALSE;
1988  break;
1989 
1990  case SPI_SETTOGGLEKEYS:
1991  cbSize = sizeof(TOGGLEKEYS);
1992  bToUser = FALSE;
1993  break;
1994 
1995  case SPI_SETMOUSEKEYS:
1996  cbSize = sizeof(MOUSEKEYS);
1997  bToUser = FALSE;
1998  break;
1999 
2000  case SPI_SETSTICKYKEYS:
2001  cbSize = sizeof(STICKYKEYS);
2002  bToUser = FALSE;
2003  break;
2004 
2005  case SPI_SETACCESSTIMEOUT:
2006  cbSize = sizeof(ACCESSTIMEOUT);
2007  bToUser = FALSE;
2008  break;
2009 
2010  case SPI_SETSERIALKEYS:
2011  cbSize = sizeof(SERIALKEYS);
2012  bToUser = FALSE;
2013  break;
2014 
2015  case SPI_SETSOUNDSENTRY:
2016  cbSize = sizeof(SOUNDSENTRYW);
2017  bToUser = FALSE;
2018  break;
2019 
2020  case SPI_SETHIGHCONTRAST:
2021  cbSize = sizeof(HIGHCONTRASTW);
2022  bToUser = FALSE;
2023  break;
2024 
2025  case SPI_SETANIMATION:
2026  cbSize = sizeof(ANIMATIONINFO);
2027  bToUser = FALSE;
2028  break;
2029 
2030  case SPI_SETDEFAULTINPUTLANG:
2031  cbSize = sizeof(HKL);
2032  bToUser = FALSE;
2033  break;
2034 
2035  case SPI_SETMOUSESPEED:
2036  cbSize = sizeof(INT);
2037  bToUser = FALSE;
2038  break;
2039  }
2040 
2041  if (cbSize)
2042  {
2043  _SEH2_TRY
2044  {
2045  if (bToUser)
2046  {
2047  ProbeForWrite(pvParam, cbSize, sizeof(UCHAR));
2048  }
2049  else
2050  {
2051  ProbeForRead(pvParam, cbSize, sizeof(UCHAR));
2052  }
2053  }
2054  _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2055  {
2056  _SEH2_YIELD(return FALSE);
2057  }
2058  _SEH2_END;
2059  }
2060 
2061  return TRUE;
2062 }
2063 
2064 BOOL
2065 FASTCALL
2066 UserSystemParametersInfo(
2067  UINT uiAction,
2068  UINT uiParam,
2069  PVOID pvParam,
2070  UINT fWinIni)
2071 {
2072  ULONG_PTR ulResult;
2073  PPROCESSINFO ppi = PsGetCurrentProcessWin32Process();
2074 
2075  ASSERT(ppi);
2076 
2077  if (!gbSpiInitialized)
2078  {
2079  KeRosDumpStackFrames(NULL, 20);
2080  //ASSERT(FALSE);
2081  return FALSE;
2082  }
2083 
2084  /* Get a pointer to the current Windowstation */
2085  if (!ppi->prpwinsta)
2086  {
2087  ERR("UserSystemParametersInfo called without active window station.\n");
2088  //ASSERT(FALSE);
2089  //return FALSE;
2090  }
2091 
2092  if ((fWinIni & SPIF_PROTECT) && !SpiGetSetProbeBuffer(uiAction, uiParam, pvParam))
2093  {
2094  EngSetLastError(ERROR_NOACCESS);
2095  return FALSE;
2096  }
2097 
2098  /* Do the actual operation */
2099  ulResult = SpiGetSet(uiAction, uiParam, pvParam, fWinIni);
2100 
2101  /* Did we change something? */
2102  if (ulResult > 1)
2103  {
2104  SpiFixupValues();
2105 
2106  /* Update system metrics */
2107  InitMetrics();
2108 
2109  /* Send notification to toplevel windows, if requested */
2110  if (fWinIni & SPIF_SENDCHANGE)
2111  {
2112  /* Send WM_SETTINGCHANGE to all toplevel windows */
2113  co_IntSendMessageTimeout(HWND_BROADCAST,
2114  WM_SETTINGCHANGE,
2115  (WPARAM)uiAction,
2116  (LPARAM)ulResult,
2117  SMTO_NORMAL,
2118  100,
2119  &ulResult);
2120  }
2121  ulResult = 1;
2122  }
2123 
2124  return ulResult;
2125 }
2126 
2127 BOOL
2128 APIENTRY
2129 NtUserSystemParametersInfo(
2130  UINT uiAction,
2131  UINT uiParam,
2132  PVOID pvParam,
2133  UINT fWinIni)
2134 {
2135  BOOL bResult;
2136 
2137  TRACE("Enter NtUserSystemParametersInfo(%u)\n", uiAction);
2138  UserEnterExclusive();
2139 
2140  // FIXME: Get rid of the flags and only use this from um. kernel can access data directly.
2141  /* Set UM memory protection flag */
2142  fWinIni |= SPIF_PROTECT;
2143 
2144  /* Call internal function */
2145  bResult = UserSystemParametersInfo(uiAction, uiParam, pvParam, fWinIni);
2146 
2147  TRACE("Leave NtUserSystemParametersInfo, returning %d\n", bResult);
2148  UserLeave();
2149 
2150  return bResult;
2151 }
2152 
2153 /* EOF */
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