[USER32]
[reactos.git] / reactos / win32ss / user / user32 / misc / desktop.c
1 /*
2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS user32.dll
4 * FILE: win32ss/user/user32/misc/desktop.c
5 * PURPOSE: Desktops
6 * PROGRAMMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
7 * UPDATE HISTORY:
8 * 06-06-2001 CSH Created
9 */
10
11 #include <user32.h>
12
13 #include <wine/debug.h>
14 WINE_DEFAULT_DEBUG_CHANNEL(user32);
15
16 /*********************************************************************
17 * desktop class descriptor
18 */
19 #if 0 // Kept for referencing.
20 const struct builtin_class_descr DESKTOP_builtin_class =
21 {
22 WC_DESKTOP, /* name */
23 CS_DBLCLKS, /* style */
24 NULL, /* procA (winproc is Unicode only) */
25 DesktopWndProc, /* procW */
26 0, /* extra */
27 IDC_ARROW, /* cursor */
28 (HBRUSH)(COLOR_BACKGROUND+1) /* brush */
29 };
30 #endif
31
32 LRESULT
33 WINAPI
34 DesktopWndProcW(HWND Wnd,
35 UINT Msg,
36 WPARAM wParam,
37 LPARAM lParam)
38 {
39 TRACE("Desktop W Class Atom! hWnd 0x%x, Msg %d\n", Wnd, Msg);
40
41 switch(Msg)
42 {
43 case WM_ERASEBKGND:
44 case WM_NCCREATE:
45 case WM_CREATE:
46 case WM_CLOSE:
47 case WM_DISPLAYCHANGE:
48 case WM_PAINT:
49 case WM_SYSCOLORCHANGE:
50 {
51 LRESULT lResult;
52 NtUserMessageCall( Wnd, Msg, wParam, lParam, (ULONG_PTR)&lResult, FNID_DESKTOP, FALSE);
53 TRACE("Desktop lResult %d\n", lResult);
54 return lResult;
55 }
56
57 case WM_PALETTECHANGED:
58 if (Wnd == (HWND)wParam) break;
59 case WM_QUERYNEWPALETTE:
60 {
61 HDC hdc = GetWindowDC( Wnd );
62 PaintDesktop(hdc);
63 ReleaseDC( Wnd, hdc );
64 break;
65 }
66
67 case WM_SETCURSOR:
68 return (LRESULT)SetCursor(LoadCursorW(0, (LPCWSTR)IDC_ARROW));
69
70 default:
71 return DefWindowProcW(Wnd, Msg, wParam, lParam);
72 }
73 return 0;
74 }
75
76 VOID
77 WINAPI
78 LogFontA2W(LPLOGFONTW pW, CONST LOGFONTA *pA)
79 {
80 #define COPYS(f,len) MultiByteToWideChar ( CP_THREAD_ACP, 0, pA->f, len, pW->f, len )
81 #define COPYN(f) pW->f = pA->f
82
83 COPYN(lfHeight);
84 COPYN(lfWidth);
85 COPYN(lfEscapement);
86 COPYN(lfOrientation);
87 COPYN(lfWeight);
88 COPYN(lfItalic);
89 COPYN(lfUnderline);
90 COPYN(lfStrikeOut);
91 COPYN(lfCharSet);
92 COPYN(lfOutPrecision);
93 COPYN(lfClipPrecision);
94 COPYN(lfQuality);
95 COPYN(lfPitchAndFamily);
96 COPYS(lfFaceName,LF_FACESIZE);
97
98 #undef COPYN
99 #undef COPYS
100 }
101
102 VOID
103 WINAPI
104 LogFontW2A(LPLOGFONTA pA, CONST LOGFONTW *pW)
105 {
106 #define COPYS(f,len) WideCharToMultiByte ( CP_THREAD_ACP, 0, pW->f, len, pA->f, len, NULL, NULL )
107 #define COPYN(f) pA->f = pW->f
108
109 COPYN(lfHeight);
110 COPYN(lfWidth);
111 COPYN(lfEscapement);
112 COPYN(lfOrientation);
113 COPYN(lfWeight);
114 COPYN(lfItalic);
115 COPYN(lfUnderline);
116 COPYN(lfStrikeOut);
117 COPYN(lfCharSet);
118 COPYN(lfOutPrecision);
119 COPYN(lfClipPrecision);
120 COPYN(lfQuality);
121 COPYN(lfPitchAndFamily);
122 COPYS(lfFaceName,LF_FACESIZE);
123
124 #undef COPYN
125 #undef COPYS
126 }
127
128 int WINAPI
129 RealGetSystemMetrics(int nIndex)
130 {
131 //FIXME("Global Server Data -> %x\n",gpsi);
132 if (nIndex < 0 || nIndex >= SM_CMETRICS) return 0;
133 return gpsi->aiSysMet[nIndex];
134 }
135
136 /*
137 * @implemented
138 */
139 int WINAPI
140 GetSystemMetrics(int nIndex)
141 {
142 BOOL Hook;
143 int Ret = 0;
144
145 if (!gpsi) // Fixme! Hax! Need Timos delay load support?
146 {
147 return RealGetSystemMetrics(nIndex);
148 }
149
150 LoadUserApiHook();
151
152 Hook = BeginIfHookedUserApiHook();
153
154 /* Bypass SEH and go direct. */
155 if (!Hook) return RealGetSystemMetrics(nIndex);
156
157 _SEH2_TRY
158 {
159 Ret = guah.GetSystemMetrics(nIndex);
160 }
161 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
162 {
163 }
164 _SEH2_END;
165
166 EndUserApiHook();
167
168 return Ret;
169 }
170
171 /*
172 * @unimplemented
173 */
174 BOOL WINAPI SetDeskWallpaper(LPCSTR filename)
175 {
176 return SystemParametersInfoA(SPI_SETDESKWALLPAPER,0,(PVOID)filename,TRUE);
177 }
178
179 BOOL WINAPI
180 RealSystemParametersInfoA(UINT uiAction,
181 UINT uiParam,
182 PVOID pvParam,
183 UINT fWinIni)
184 {
185 switch (uiAction)
186 {
187
188 case SPI_GETNONCLIENTMETRICS:
189 {
190 LPNONCLIENTMETRICSA pnclma = (LPNONCLIENTMETRICSA)pvParam;
191 NONCLIENTMETRICSW nclmw;
192 if(pnclma->cbSize != sizeof(NONCLIENTMETRICSA))
193 {
194 SetLastError(ERROR_INVALID_PARAMETER);
195 return FALSE;
196 }
197 nclmw.cbSize = sizeof(NONCLIENTMETRICSW);
198
199 if (!SystemParametersInfoW(uiAction, sizeof(NONCLIENTMETRICSW),
200 &nclmw, fWinIni))
201 return FALSE;
202
203 pnclma->iBorderWidth = nclmw.iBorderWidth;
204 pnclma->iScrollWidth = nclmw.iScrollWidth;
205 pnclma->iScrollHeight = nclmw.iScrollHeight;
206 pnclma->iCaptionWidth = nclmw.iCaptionWidth;
207 pnclma->iCaptionHeight = nclmw.iCaptionHeight;
208 pnclma->iSmCaptionWidth = nclmw.iSmCaptionWidth;
209 pnclma->iSmCaptionHeight = nclmw.iSmCaptionHeight;
210 pnclma->iMenuWidth = nclmw.iMenuWidth;
211 pnclma->iMenuHeight = nclmw.iMenuHeight;
212 LogFontW2A(&(pnclma->lfCaptionFont), &(nclmw.lfCaptionFont));
213 LogFontW2A(&(pnclma->lfSmCaptionFont), &(nclmw.lfSmCaptionFont));
214 LogFontW2A(&(pnclma->lfMenuFont), &(nclmw.lfMenuFont));
215 LogFontW2A(&(pnclma->lfStatusFont), &(nclmw.lfStatusFont));
216 LogFontW2A(&(pnclma->lfMessageFont), &(nclmw.lfMessageFont));
217 return TRUE;
218 }
219 case SPI_SETNONCLIENTMETRICS:
220 {
221 LPNONCLIENTMETRICSA pnclma = (LPNONCLIENTMETRICSA)pvParam;
222 NONCLIENTMETRICSW nclmw;
223 if(pnclma->cbSize != sizeof(NONCLIENTMETRICSA))
224 {
225 SetLastError(ERROR_INVALID_PARAMETER);
226 return FALSE;
227 }
228 nclmw.cbSize = sizeof(NONCLIENTMETRICSW);
229 nclmw.iBorderWidth = pnclma->iBorderWidth;
230 nclmw.iScrollWidth = pnclma->iScrollWidth;
231 nclmw.iScrollHeight = pnclma->iScrollHeight;
232 nclmw.iCaptionWidth = pnclma->iCaptionWidth;
233 nclmw.iCaptionHeight = pnclma->iCaptionHeight;
234 nclmw.iSmCaptionWidth = pnclma->iSmCaptionWidth;
235 nclmw.iSmCaptionHeight = pnclma->iSmCaptionHeight;
236 nclmw.iMenuWidth = pnclma->iMenuWidth;
237 nclmw.iMenuHeight = pnclma->iMenuHeight;
238 LogFontA2W(&(nclmw.lfCaptionFont), &(pnclma->lfCaptionFont));
239 LogFontA2W(&(nclmw.lfSmCaptionFont), &(pnclma->lfSmCaptionFont));
240 LogFontA2W(&(nclmw.lfMenuFont), &(pnclma->lfMenuFont));
241 LogFontA2W(&(nclmw.lfStatusFont), &(pnclma->lfStatusFont));
242 LogFontA2W(&(nclmw.lfMessageFont), &(pnclma->lfMessageFont));
243
244 return SystemParametersInfoW(uiAction, sizeof(NONCLIENTMETRICSW),
245 &nclmw, fWinIni);
246 }
247 case SPI_GETICONMETRICS:
248 {
249 LPICONMETRICSA picma = (LPICONMETRICSA)pvParam;
250 ICONMETRICSW icmw;
251 if(picma->cbSize != sizeof(ICONMETRICSA))
252 {
253 SetLastError(ERROR_INVALID_PARAMETER);
254 return FALSE;
255 }
256 icmw.cbSize = sizeof(ICONMETRICSW);
257 if (!SystemParametersInfoW(uiAction, sizeof(ICONMETRICSW),
258 &icmw, fWinIni))
259 return FALSE;
260
261 picma->iHorzSpacing = icmw.iHorzSpacing;
262 picma->iVertSpacing = icmw.iVertSpacing;
263 picma->iTitleWrap = icmw.iTitleWrap;
264 LogFontW2A(&(picma->lfFont), &(icmw.lfFont));
265 return TRUE;
266 }
267 case SPI_SETICONMETRICS:
268 {
269 LPICONMETRICSA picma = (LPICONMETRICSA)pvParam;
270 ICONMETRICSW icmw;
271 if(picma->cbSize != sizeof(ICONMETRICSA))
272 {
273 SetLastError(ERROR_INVALID_PARAMETER);
274 return FALSE;
275 }
276 icmw.cbSize = sizeof(ICONMETRICSW);
277 icmw.iHorzSpacing = picma->iHorzSpacing;
278 icmw.iVertSpacing = picma->iVertSpacing;
279 icmw.iTitleWrap = picma->iTitleWrap;
280 LogFontA2W(&(icmw.lfFont), &(picma->lfFont));
281
282 return SystemParametersInfoW(uiAction, sizeof(ICONMETRICSW),
283 &icmw, fWinIni);
284 }
285 case SPI_GETICONTITLELOGFONT:
286 {
287 LOGFONTW lfw;
288 if (!SystemParametersInfoW(uiAction, 0, &lfw, fWinIni))
289 return FALSE;
290 LogFontW2A(pvParam, &lfw);
291 return TRUE;
292 }
293 case SPI_SETICONTITLELOGFONT:
294 {
295 LPLOGFONTA plfa = (LPLOGFONTA)pvParam;
296 LOGFONTW lfw;
297 LogFontA2W(&lfw,plfa);
298 return SystemParametersInfoW(uiAction, 0, &lfw, fWinIni);
299 }
300 case SPI_GETDESKWALLPAPER:
301 {
302 BOOL Ret;
303 WCHAR awc[MAX_PATH];
304 UNICODE_STRING ustrWallpaper;
305 ANSI_STRING astrWallpaper;
306
307 Ret = NtUserSystemParametersInfo(SPI_GETDESKWALLPAPER, MAX_PATH, awc, fWinIni);
308 RtlInitUnicodeString(&ustrWallpaper, awc);
309 RtlInitEmptyAnsiString(&astrWallpaper, pvParam, uiParam);
310 RtlUnicodeStringToAnsiString(&astrWallpaper, &ustrWallpaper, FALSE);
311 return Ret;
312 }
313
314 case SPI_SETDESKWALLPAPER:
315 {
316 UNICODE_STRING ustrWallpaper;
317 BOOL Ret;
318
319 if (pvParam)
320 {
321 if (!RtlCreateUnicodeStringFromAsciiz(&ustrWallpaper, pvParam))
322 {
323 ERR("RtlCreateUnicodeStringFromAsciiz failed\n");
324 return FALSE;
325 }
326 pvParam = &ustrWallpaper;
327 }
328
329 Ret = NtUserSystemParametersInfo(SPI_SETDESKWALLPAPER, uiParam, pvParam, fWinIni);
330
331 if (pvParam)
332 RtlFreeUnicodeString(&ustrWallpaper);
333
334 return Ret;
335 }
336 }
337 return NtUserSystemParametersInfo(uiAction, uiParam, pvParam, fWinIni);
338 }
339
340 BOOL WINAPI
341 RealSystemParametersInfoW(UINT uiAction,
342 UINT uiParam,
343 PVOID pvParam,
344 UINT fWinIni)
345 {
346 switch(uiAction)
347 {
348
349 case SPI_SETDESKWALLPAPER:
350 {
351 UNICODE_STRING ustrWallpaper;
352
353 RtlInitUnicodeString(&ustrWallpaper, pvParam);
354 return NtUserSystemParametersInfo(SPI_SETDESKWALLPAPER, uiParam, &ustrWallpaper, fWinIni);
355 }
356 }
357 return NtUserSystemParametersInfo(uiAction, uiParam, pvParam, fWinIni);
358 }
359
360
361 /*
362 * @implemented
363 */
364 BOOL WINAPI
365 SystemParametersInfoA(UINT uiAction,
366 UINT uiParam,
367 PVOID pvParam,
368 UINT fWinIni)
369 {
370 BOOL Hook, Ret = FALSE;
371
372 LoadUserApiHook();
373
374 Hook = BeginIfHookedUserApiHook();
375
376 /* Bypass SEH and go direct. */
377 if (!Hook) return RealSystemParametersInfoA(uiAction, uiParam, pvParam, fWinIni);
378
379 _SEH2_TRY
380 {
381 Ret = guah.SystemParametersInfoA(uiAction, uiParam, pvParam, fWinIni);
382 }
383 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
384 {
385 }
386 _SEH2_END;
387
388 EndUserApiHook();
389
390 return Ret;
391 }
392
393 /*
394 * @implemented
395 */
396 BOOL WINAPI
397 SystemParametersInfoW(UINT uiAction,
398 UINT uiParam,
399 PVOID pvParam,
400 UINT fWinIni)
401 {
402 BOOL Hook, Ret = FALSE;
403
404 LoadUserApiHook();
405
406 Hook = BeginIfHookedUserApiHook();
407
408 /* Bypass SEH and go direct. */
409 if (!Hook) return RealSystemParametersInfoW(uiAction, uiParam, pvParam, fWinIni);
410
411 _SEH2_TRY
412 {
413 Ret = guah.SystemParametersInfoW(uiAction, uiParam, pvParam, fWinIni);
414 }
415 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
416 {
417 }
418 _SEH2_END;
419
420 EndUserApiHook();
421
422 return Ret;
423 }
424
425 /*
426 * @implemented
427 */
428 HDESK WINAPI
429 CreateDesktopA(LPCSTR lpszDesktop,
430 LPCSTR lpszDevice,
431 LPDEVMODEA pDevmode,
432 DWORD dwFlags,
433 ACCESS_MASK dwDesiredAccess,
434 LPSECURITY_ATTRIBUTES lpsa)
435 {
436 UNICODE_STRING DesktopNameU;
437 HDESK hDesktop;
438 LPDEVMODEW DevmodeW = NULL;
439
440 if (lpszDesktop)
441 {
442 /* After conversion, the buffer is zero-terminated */
443 RtlCreateUnicodeStringFromAsciiz(&DesktopNameU, lpszDesktop);
444 }
445 else
446 {
447 RtlInitUnicodeString(&DesktopNameU, NULL);
448 }
449
450 if (pDevmode)
451 DevmodeW = GdiConvertToDevmodeW(pDevmode);
452
453 hDesktop = CreateDesktopW(DesktopNameU.Buffer,
454 NULL,
455 DevmodeW,
456 dwFlags,
457 dwDesiredAccess,
458 lpsa);
459
460 /* Free the string, if it was allocated */
461 if (lpszDesktop) RtlFreeUnicodeString(&DesktopNameU);
462
463 return hDesktop;
464 }
465
466
467 /*
468 * @implemented
469 */
470 HDESK WINAPI
471 CreateDesktopW(LPCWSTR lpszDesktop,
472 LPCWSTR lpszDevice,
473 LPDEVMODEW pDevmode,
474 DWORD dwFlags,
475 ACCESS_MASK dwDesiredAccess,
476 LPSECURITY_ATTRIBUTES lpsa)
477 {
478 OBJECT_ATTRIBUTES oas;
479 UNICODE_STRING DesktopName, DesktopDevice;
480 HWINSTA hWinSta;
481 HDESK hDesktop;
482 ULONG Attributes = (OBJ_OPENIF|OBJ_CASE_INSENSITIVE);
483
484 /* Retrive WinStation handle. */
485 hWinSta = NtUserGetProcessWindowStation();
486
487 /* Initialize the strings. */
488 RtlInitUnicodeString(&DesktopName, lpszDesktop);
489 RtlInitUnicodeString(&DesktopDevice, lpszDevice);
490
491 /* Check for process is inherited, set flag if set. */
492 if (lpsa && lpsa->bInheritHandle) Attributes |= OBJ_INHERIT;
493
494 /* Initialize the attributes for the desktop. */
495 InitializeObjectAttributes( &oas,
496 &DesktopName,
497 Attributes,
498 hWinSta,
499 lpsa ? lpsa->lpSecurityDescriptor : NULL);
500
501 /* Send the request and call to win32k. */
502 hDesktop = NtUserCreateDesktop( &oas,
503 &DesktopDevice,
504 pDevmode,
505 dwFlags,
506 dwDesiredAccess);
507
508 return(hDesktop);
509 }
510
511
512 /*
513 * @implemented
514 */
515 BOOL
516 WINAPI
517 EnumDesktopsA(
518 HWINSTA WindowStation,
519 DESKTOPENUMPROCA EnumFunc,
520 LPARAM Context)
521 {
522 return EnumNamesA(WindowStation, EnumFunc, Context, TRUE);
523 }
524
525
526 /*
527 * @implemented
528 */
529 BOOL
530 WINAPI
531 EnumDesktopsW(
532 HWINSTA WindowStation,
533 DESKTOPENUMPROCW EnumFunc,
534 LPARAM Context)
535 {
536 return EnumNamesW(WindowStation, EnumFunc, Context, TRUE);
537 }
538
539
540 /*
541 * @implemented
542 */
543 HDESK
544 WINAPI
545 GetThreadDesktop(
546 DWORD dwThreadId)
547 {
548 USER_API_MESSAGE ApiMessage;
549 PUSER_GET_THREAD_CONSOLE_DESKTOP GetThreadConsoleDesktopRequest = &ApiMessage.Data.GetThreadConsoleDesktopRequest;
550
551 GetThreadConsoleDesktopRequest->ThreadId = dwThreadId;
552
553 CsrClientCallServer((PCSR_API_MESSAGE)&ApiMessage,
554 NULL,
555 CSR_CREATE_API_NUMBER(USERSRV_SERVERDLL_INDEX, UserpGetThreadConsoleDesktop),
556 sizeof(*GetThreadConsoleDesktopRequest));
557 if (!NT_SUCCESS(ApiMessage.Status))
558 {
559 UserSetLastNTError(ApiMessage.Status);
560 return NULL;
561 }
562
563 return NtUserGetThreadDesktop(dwThreadId,
564 (DWORD)GetThreadConsoleDesktopRequest->ConsoleDesktop);
565 }
566
567
568 /*
569 * @implemented
570 */
571 HDESK
572 WINAPI
573 OpenDesktopA(
574 LPCSTR lpszDesktop,
575 DWORD dwFlags,
576 BOOL fInherit,
577 ACCESS_MASK dwDesiredAccess)
578 {
579 UNICODE_STRING DesktopNameU;
580 HDESK hDesktop;
581
582 if (lpszDesktop)
583 {
584 /* After conversion, the buffer is zero-terminated */
585 RtlCreateUnicodeStringFromAsciiz(&DesktopNameU, lpszDesktop);
586 }
587 else
588 {
589 RtlInitUnicodeString(&DesktopNameU, NULL);
590 }
591
592 hDesktop = OpenDesktopW(DesktopNameU.Buffer,
593 dwFlags,
594 fInherit,
595 dwDesiredAccess);
596
597 /* Free the string, if it was allocated */
598 if (lpszDesktop) RtlFreeUnicodeString(&DesktopNameU);
599
600 return hDesktop;
601 }
602
603
604 /*
605 * @implemented
606 */
607 HDESK
608 WINAPI
609 OpenDesktopW(
610 LPCWSTR lpszDesktop,
611 DWORD dwFlags,
612 BOOL fInherit,
613 ACCESS_MASK dwDesiredAccess)
614 {
615 UNICODE_STRING DesktopName;
616 OBJECT_ATTRIBUTES ObjectAttributes;
617
618 RtlInitUnicodeString(&DesktopName, lpszDesktop);
619
620 InitializeObjectAttributes(&ObjectAttributes,
621 &DesktopName,
622 OBJ_CASE_INSENSITIVE,
623 GetProcessWindowStation(),
624 0);
625
626 if( fInherit )
627 {
628 ObjectAttributes.Attributes |= OBJ_INHERIT;
629 }
630
631 return NtUserOpenDesktop(&ObjectAttributes, dwFlags, dwDesiredAccess);
632 }
633
634
635 /*
636 * @implemented
637 */
638 BOOL WINAPI
639 SetShellWindow(HWND hwndShell)
640 {
641 return SetShellWindowEx(hwndShell, hwndShell);
642 }
643
644
645 /*
646 * @implemented
647 */
648 HWND WINAPI
649 GetShellWindow(VOID)
650 {
651 PDESKTOPINFO pdi;
652 pdi = GetThreadDesktopInfo();
653 if (pdi) return pdi->hShellWindow;
654 return NULL;
655 }
656
657
658 /* EOF */