windows/user.c

   1 /*
   2  * Misc. USER functions
   3  *
   4  * Copyright 1993 Robert J. Amstadt
   5  *           1996 Alex Korobka
   6  */
   7
   8 #include <stdlib.h>
   9 #include "wine/winbase16.h"
  10 #include "winuser.h"
  11 #include "heap.h"
  12 #include "user.h"
  13 #include "gdi.h"
  14 #include "task.h"
  15 #include "queue.h"
  16 #include "win.h"
  17 #include "clipboard.h"
  18 #include "menu.h"
  19 #include "cursoricon.h"
  20 #include "hook.h"
  21 #include "toolhelp.h"
  22 #include "message.h"
  23 #include "module.h"
  24 #include "miscemu.h"
  25 #include "shell.h"
  26 #include "callback.h"
  27 #include "local.h"
  28 #include "class.h"
  29 #include "desktop.h"
  30 #include "process.h"
  31 #include "debugtools.h"
  32
  33 DECLARE_DEBUG_CHANNEL(hook)
  34 DECLARE_DEBUG_CHANNEL(local)
  35 DECLARE_DEBUG_CHANNEL(system)
  36 DECLARE_DEBUG_CHANNEL(win)
  37 DECLARE_DEBUG_CHANNEL(win32)
  38
  39 /***********************************************************************
  40  *           GetFreeSystemResources   (USER.284)
  41  */
  42 WORD WINAPI GetFreeSystemResources16( WORD resType )
  43 {
  44     int userPercent, gdiPercent;
  45
  46     switch(resType)
  47     {
  48     case GFSR_USERRESOURCES:
  49         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  50                                LOCAL_HeapSize( USER_HeapSel );
  51         gdiPercent  = 100;
  52         break;
  53
  54     case GFSR_GDIRESOURCES:
  55         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  56                                LOCAL_HeapSize( GDI_HeapSel );
  57         userPercent = 100;
  58         break;
  59
  60     case GFSR_SYSTEMRESOURCES:
  61         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  62                                LOCAL_HeapSize( USER_HeapSel );
  63         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  64                                LOCAL_HeapSize( GDI_HeapSel );
  65         break;
  66
  67     default:
  68         return 0;
  69     }
  70     return (WORD)MIN( userPercent, gdiPercent );
  71 }
  72
  73
  74 /***********************************************************************
  75  *           SystemHeapInfo   (TOOLHELP.71)
  76  */
  77 BOOL16 WINAPI SystemHeapInfo16( SYSHEAPINFO *pHeapInfo )
  78 {
  79     pHeapInfo->wUserFreePercent = GetFreeSystemResources16( GFSR_USERRESOURCES );
  80     pHeapInfo->wGDIFreePercent  = GetFreeSystemResources16( GFSR_GDIRESOURCES );
  81     pHeapInfo->hUserSegment = USER_HeapSel;
  82     pHeapInfo->hGDISegment  = GDI_HeapSel;
  83     return TRUE;
  84 }
  85
  86
  87 /***********************************************************************
  88  *           TimerCount   (TOOLHELP.80)
  89  */
  90 BOOL16 WINAPI TimerCount16( TIMERINFO *pTimerInfo )
  91 {
  92     /* FIXME
  93      * In standard mode, dwmsSinceStart = dwmsThisVM
  94      *
  95      * I tested this, under Windows in enhanced mode, and
  96      * if you never switch VM (ie start/stop DOS) these
  97      * values should be the same as well.
  98      *
  99      * Also, Wine should adjust for the hardware timer
 100      * to reduce the amount of error to ~1ms.
 101      * I can't be bothered, can you?
 102      */
 103     pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
 104     return TRUE;
 105 }
 106
 107 /**********************************************************************
 108  *           InitApp   (USER.5)
 109  */
 110 INT16 WINAPI InitApp16( HINSTANCE16 hInstance )
 111 {
 112     /* Hack: restore the divide-by-zero handler */
 113     /* FIXME: should set a USER-specific handler that displays a msg box */
 114     INT_SetPMHandler( 0, INT_GetPMHandler( 0xff ) );
 115
 116     /* Create task message queue */
 117     if ( !GetFastQueue16() ) return 0;
 118
 119     return 1;
 120 }
 121
 122 /**********************************************************************
 123  *           USER_ModuleUnload
 124  */
 125 static void USER_ModuleUnload( HMODULE16 hModule )
 126 {
 127     HOOK_FreeModuleHooks( hModule );
 128     CLASS_FreeModuleClasses( hModule );
 129     CURSORICON_FreeModuleIcons( hModule );
 130 }
 131
 132 /**********************************************************************
 133  *           USER_QueueCleanup
 134  */
 135 static void USER_QueueCleanup( HQUEUE16 hQueue )
 136 {
 137     if ( hQueue )
 138     {
 139         WND* desktop = WIN_GetDesktop();
 140
 141         /* Patch desktop window */
 142         if ( desktop->hmemTaskQ == hQueue )
 143         {
 144             HTASK16 nextTask = TASK_GetNextTask( GetCurrentTask() );
 145             desktop->hmemTaskQ = GetTaskQueue16( nextTask );
 146         }
 147
 148         /* Patch resident popup menu window */
 149         MENU_PatchResidentPopup( hQueue, NULL );
 150
 151         TIMER_RemoveQueueTimers( hQueue );
 152
 153         HOOK_FreeQueueHooks( hQueue );
 154
 155         QUEUE_SetExitingQueue( hQueue );
 156         WIN_ResetQueueWindows( desktop, hQueue, (HQUEUE16)0);
 157         CLIPBOARD_ResetLock( hQueue, 0 );
 158         QUEUE_SetExitingQueue( 0 );
 159
 160         /* Free the message queue */
 161         QUEUE_DeleteMsgQueue( hQueue );
 162
 163         WIN_ReleaseDesktop();
 164     }
 165 }
 166
 167 /**********************************************************************
 168  *           USER_AppExit
 169  */
 170 static void USER_AppExit( HINSTANCE16 hInstance )
 171 {
 172     /* FIXME: empty clipboard if needed, maybe destroy menus (Windows
 173      *        only complains about them but does nothing);
 174      */
 175
 176     /* ModuleUnload() in "Internals" */
 177
 178     hInstance = GetExePtr( hInstance );
 179     if( GetModuleUsage16( hInstance ) <= 1 )
 180         USER_ModuleUnload( hInstance );
 181 }
 182
 183
 184 /***********************************************************************
 185  *           USER_ExitWindows
 186  *
 187  * Clean-up everything and exit the Wine process.
 188  * This is the back-end of ExitWindows(), called when all windows
 189  * have agreed to be terminated.
 190  */
 191 void USER_ExitWindows(void)
 192 {
 193     /* Do the clean-up stuff */
 194
 195     WriteOutProfiles16();
 196     SHELL_SaveRegistry();
 197
 198     exit(0);
 199 }
 200
 201
 202 /***********************************************************************
 203  *           USER_SignalProc (USER.314)
 204  */
 205 void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
 206                              UINT16 uExitFn, HINSTANCE16 hInstance,
 207                              HQUEUE16 hQueue )
 208 {
 209     FIXME_(win)("Win 3.1 USER signal %04x\n", uCode );
 210 }
 211
 212 /***********************************************************************
 213  *           UserSignalProc     (USER.610) (USER32.559)
 214  *
 215  * For comments about the meaning of uCode and dwFlags
 216  * see PROCESS_CallUserSignalProc.
 217  *
 218  */
 219 WORD WINAPI UserSignalProc( UINT uCode, DWORD dwThreadOrProcessID,
 220                             DWORD dwFlags, HMODULE16 hModule )
 221 {
 222     HINSTANCE16 hInst;
 223
 224     /* FIXME: Proper reaction to most signals still missing. */
 225
 226     switch ( uCode )
 227     {
 228     case USIG_DLL_UNLOAD_WIN16:
 229     case USIG_DLL_UNLOAD_WIN32:
 230         USER_ModuleUnload( hModule );
 231         break;
 232
 233     case USIG_DLL_UNLOAD_ORPHANS:
 234         break;
 235
 236     case USIG_FAULT_DIALOG_PUSH:
 237     case USIG_FAULT_DIALOG_POP:
 238         break;
 239
 240     case USIG_THREAD_INIT:
 241         break;
 242
 243     case USIG_THREAD_EXIT:
 244         USER_QueueCleanup( GetThreadQueue16( dwThreadOrProcessID ) );
 245         SetThreadQueue16( dwThreadOrProcessID, 0 );
 246         break;
 247
 248     case USIG_PROCESS_CREATE:
 249     case USIG_PROCESS_INIT:
 250     case USIG_PROCESS_LOADED:
 251     case USIG_PROCESS_RUNNING:
 252         break;
 253
 254     case USIG_PROCESS_EXIT:
 255         break;
 256
 257     case USIG_PROCESS_DESTROY:
 258         hInst = GetProcessDword( dwThreadOrProcessID, GPD_HINSTANCE16 );
 259         USER_AppExit( hInst );
 260         break;
 261
 262     default:
 263         FIXME_(win)("(%04x, %08lx, %04lx, %04x)\n",
 264                     uCode, dwThreadOrProcessID, dwFlags, hModule );
 265         break;
 266     }
 267
 268     /* FIXME: Should chain to GdiSignalProc now. */
 269
 270     return 0;
 271 }
 272
 273
 274
 275 /***********************************************************************
 276  *           ExitWindows16   (USER.7)
 277  */
 278 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
 279 {
 280     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 281 }
 282
 283
 284 /***********************************************************************
 285  *           ExitWindowsExec16   (USER.246)
 286  */
 287 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
 288 {
 289     TRACE_(system)("Should run the following in DOS-mode: \"%s %s\"\n",
 290         lpszExe, lpszParams);
 291     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 292 }
 293
 294
 295 /***********************************************************************
 296  *           ExitWindowsEx   (USER32.196)
 297  */
 298 BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reserved )
 299 {
 300     int i;
 301     BOOL result;
 302     WND **list, **ppWnd;
 303
 304     /* We have to build a list of all windows first, as in EnumWindows */
 305
 306     if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
 307     {
 308         WIN_ReleaseDesktop();
 309         return FALSE;
 310     }
 311
 312     /* Send a WM_QUERYENDSESSION message to every window */
 313
 314     for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
 315     {
 316         /* Make sure that the window still exists */
 317         if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
 318         if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
 319             break;
 320     }
 321     result = !(*ppWnd);
 322
 323     /* Now notify all windows that got a WM_QUERYENDSESSION of the result */
 324
 325     for (ppWnd = list; i > 0; i--, ppWnd++)
 326     {
 327         if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
 328         SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
 329     }
 330     WIN_ReleaseWinArray(list);
 331
 332     if (result) USER_ExitWindows();
 333     WIN_ReleaseDesktop();
 334     return FALSE;
 335 }
 336
 337
 338 /***********************************************************************
 339  *           ChangeDisplaySettingA    (USER32.589)
 340  */
 341 LONG WINAPI ChangeDisplaySettingsA( LPDEVMODEA devmode, DWORD flags )
 342 {
 343   FIXME_(system)(": stub\n");
 344   if (devmode==NULL)
 345     FIXME_(system)("   devmode=NULL (return to default mode)\n");
 346   else if ( (devmode->dmBitsPerPel != DESKTOP_GetScreenDepth())
 347             || (devmode->dmPelsHeight != DESKTOP_GetScreenHeight())
 348             || (devmode->dmPelsWidth != DESKTOP_GetScreenWidth()) )
 349
 350   {
 351
 352     if (devmode->dmFields & DM_BITSPERPEL)
 353       FIXME_(system)("   bpp=%ld\n",devmode->dmBitsPerPel);
 354     if (devmode->dmFields & DM_PELSWIDTH)
 355       FIXME_(system)("   width=%ld\n",devmode->dmPelsWidth);
 356     if (devmode->dmFields & DM_PELSHEIGHT)
 357       FIXME_(system)("   height=%ld\n",devmode->dmPelsHeight);
 358     FIXME_(system)(" (Putting X in this mode beforehand might help)\n");
 359     /* we don't, but the program ... does not need to know */
 360     return DISP_CHANGE_SUCCESSFUL;
 361   }
 362   return DISP_CHANGE_SUCCESSFUL;
 363 }
 364
 365 /***********************************************************************
 366  *           EnumDisplaySettingsA   (USER32.592)
 367  * FIXME: Currently uses static list of modes.
 368  *
 369  * RETURNS
 370  *      TRUE if nth setting exists found (described in the LPDEVMODE32A struct)
 371  *      FALSE if we do not have the nth setting
 372  */
 373 BOOL WINAPI EnumDisplaySettingsA(
 374         LPCSTR name,            /* [in] huh? */
 375         DWORD n,                /* [in] nth entry in display settings list*/
 376         LPDEVMODEA devmode      /* [out] devmode for that setting */
 377 ) {
 378 #define NRMODES 5
 379 #define NRDEPTHS 4
 380         struct {
 381                 int w,h;
 382         } modes[NRMODES]={{512,384},{640,400},{640,480},{800,600},{1024,768}};
 383         int depths[4] = {8,16,24,32};
 384
 385         TRACE_(system)("(%s,%ld,%p)\n",name,n,devmode);
 386         if (n==0) {
 387                 devmode->dmBitsPerPel = DESKTOP_GetScreenDepth();
 388                 devmode->dmPelsHeight = DESKTOP_GetScreenHeight();
 389                 devmode->dmPelsWidth = DESKTOP_GetScreenWidth();
 390                 return TRUE;
 391         }
 392         if ((n-1)<NRMODES*NRDEPTHS) {
 393                 devmode->dmBitsPerPel   = depths[(n-1)/NRMODES];
 394                 devmode->dmPelsHeight   = modes[(n-1)%NRMODES].h;
 395                 devmode->dmPelsWidth    = modes[(n-1)%NRMODES].w;
 396                 return TRUE;
 397         }
 398         return FALSE;
 399 }
 400
 401 /***********************************************************************
 402  *           EnumDisplaySettingsW   (USER32.593)
 403  */
 404 BOOL WINAPI EnumDisplaySettingsW(LPCWSTR name,DWORD n,LPDEVMODEW devmode) {
 405         LPSTR nameA = HEAP_strdupWtoA(GetProcessHeap(),0,name);
 406         DEVMODEA        devmodeA;
 407         BOOL ret = EnumDisplaySettingsA(nameA,n,&devmodeA);
 408
 409         if (ret) {
 410                 devmode->dmBitsPerPel   = devmodeA.dmBitsPerPel;
 411                 devmode->dmPelsHeight   = devmodeA.dmPelsHeight;
 412                 devmode->dmPelsWidth    = devmodeA.dmPelsWidth;
 413                 /* FIXME: convert rest too, if they are ever returned */
 414         }
 415         HeapFree(GetProcessHeap(),0,nameA);
 416         return ret;
 417 }
 418
 419 /***********************************************************************
 420  *           SetEventHook   (USER.321)
 421  *
 422  *      Used by Turbo Debugger for Windows
 423  */
 424 FARPROC16 WINAPI SetEventHook16(FARPROC16 lpfnEventHook)
 425 {
 426         FIXME_(hook)("(lpfnEventHook=%08x): stub\n", (UINT)lpfnEventHook);
 427         return NULL;
 428 }
 429
 430 /***********************************************************************
 431  *           UserSeeUserDo   (USER.216)
 432  */
 433 DWORD WINAPI UserSeeUserDo16(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
 434 {
 435     switch (wReqType)
 436     {
 437     case USUD_LOCALALLOC:
 438         return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
 439     case USUD_LOCALFREE:
 440         return LOCAL_Free(USER_HeapSel, wParam1);
 441     case USUD_LOCALCOMPACT:
 442         return LOCAL_Compact(USER_HeapSel, wParam3, 0);
 443     case USUD_LOCALHEAP:
 444         return USER_HeapSel;
 445     case USUD_FIRSTCLASS:
 446         FIXME_(local)("return a pointer to the first window class.\n");
 447         return (DWORD)-1;
 448     default:
 449         WARN_(local)("wReqType %04x (unknown)", wReqType);
 450         return (DWORD)-1;
 451     }
 452 }
 453
 454 /***********************************************************************
 455  *           RegisterLogonProcess   (USER32.434)
 456  */
 457 DWORD WINAPI RegisterLogonProcess(HANDLE hprocess,BOOL x) {
 458         FIXME_(win32)("(%d,%d),stub!\n",hprocess,x);
 459         return 1;
 460 }
 461
 462 /***********************************************************************
 463  *           CreateWindowStation32W   (USER32.86)
 464  */
 465 HWINSTA WINAPI CreateWindowStationW(
 466         LPWSTR winstation,DWORD res1,DWORD desiredaccess,
 467         LPSECURITY_ATTRIBUTES lpsa
 468 ) {
 469         FIXME_(win32)("(%s,0x%08lx,0x%08lx,%p),stub!\n",debugstr_w(winstation),
 470                 res1,desiredaccess,lpsa
 471         );
 472         return 0xdeadcafe;
 473 }
 474
 475 /***********************************************************************
 476  *           SetProcessWindowStation   (USER32.496)
 477  */
 478 BOOL WINAPI SetProcessWindowStation(HWINSTA hWinSta) {
 479         FIXME_(win32)("(%d),stub!\n",hWinSta);
 480         return TRUE;
 481 }
 482
 483 /***********************************************************************
 484  *           SetUserObjectSecurity   (USER32.514)
 485  */
 486 BOOL WINAPI SetUserObjectSecurity(
 487         HANDLE hObj,
 488         /*LPSECURITY_INFORMATION*/LPVOID pSIRequested,
 489         PSECURITY_DESCRIPTOR pSID
 490 ) {
 491         FIXME_(win32)("(0x%08x,%p,%p),stub!\n",hObj,pSIRequested,pSID);
 492         return TRUE;
 493 }
 494
 495 /***********************************************************************
 496  *           CreateDesktop32W   (USER32.69)
 497  */
 498 HDESK WINAPI CreateDesktopW(
 499         LPWSTR lpszDesktop,LPWSTR lpszDevice,LPDEVMODEW pDevmode,
 500         DWORD dwFlags,DWORD dwDesiredAccess,LPSECURITY_ATTRIBUTES lpsa
 501 ) {
 502         FIXME_(win32)("(%s,%s,%p,0x%08lx,0x%08lx,%p),stub!\n",
 503                 debugstr_w(lpszDesktop),debugstr_w(lpszDevice),pDevmode,
 504                 dwFlags,dwDesiredAccess,lpsa
 505         );
 506         return 0xcafedead;
 507 }
 508
 509 BOOL WINAPI CloseWindowStation(HWINSTA hWinSta)
 510 {
 511     FIXME_(win32)("(0x%08x)\n", hWinSta);
 512     return TRUE;
 513 }
 514 BOOL WINAPI CloseDesktop(HDESK hDesk)
 515 {
 516     FIXME_(win32)("(0x%08x)\n", hDesk);
 517     return TRUE;
 518 }
 519
 520 /***********************************************************************
 521  *           SetWindowStationUser   (USER32.521)
 522  */
 523 DWORD WINAPI SetWindowStationUser(DWORD x1,DWORD x2) {
 524         FIXME_(win32)("(0x%08lx,0x%08lx),stub!\n",x1,x2);
 525         return 1;
 526 }
 527
 528 /***********************************************************************
 529  *           SetLogonNotifyWindow   (USER32.486)
 530  */
 531 DWORD WINAPI SetLogonNotifyWindow(HWINSTA hwinsta,HWND hwnd) {
 532         FIXME_(win32)("(0x%x,%04x),stub!\n",hwinsta,hwnd);
 533         return 1;
 534 }
 535
 536 /***********************************************************************
 537  *           LoadLocalFonts   (USER32.486)
 538  */
 539 VOID WINAPI LoadLocalFonts(VOID) {
 540         /* are loaded. */
 541         return;
 542 }
 543 /***********************************************************************
 544  *           GetUserObjectInformation32A   (USER32.299)
 545  */
 546 BOOL WINAPI GetUserObjectInformationA( HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 547 {       FIXME_(win32)("(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 548         return TRUE;
 549 }
 550 /***********************************************************************
 551  *           GetUserObjectInformation32W   (USER32.300)
 552  */
 553 BOOL WINAPI GetUserObjectInformationW( HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 554 {       FIXME_(win32)("(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 555         return TRUE;
 556 }
 557 /***********************************************************************
 558  *           GetUserObjectSecurity32   (USER32.300)
 559  */
 560 BOOL WINAPI GetUserObjectSecurity(HANDLE hObj, SECURITY_INFORMATION * pSIRequested,
 561         PSECURITY_DESCRIPTOR pSID, DWORD nLength, LPDWORD lpnLengthNeeded)
 562 {       FIXME_(win32)("(0x%x %p %p len=%ld %p),stub!\n",  hObj, pSIRequested, pSID, nLength, lpnLengthNeeded);
 563         return TRUE;
 564 }
 565
 566 /***********************************************************************
 567  *           SetSystemCursor   (USER32.507)
 568  */
 569 BOOL WINAPI SetSystemCursor(HCURSOR hcur, DWORD id)
 570 {       FIXME_(win32)("(%08x,%08lx),stub!\n",  hcur, id);
 571         return TRUE;
 572 }
 573
 574 /***********************************************************************
 575  *      RegisterSystemThread    (USER32.435)
 576  */
 577 void WINAPI RegisterSystemThread(DWORD flags, DWORD reserved)
 578 {
 579         FIXME_(win32)("(%08lx, %08lx)\n", flags, reserved);
 580 }