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 "desktop.h"
  29 #include "process.h"
  30 #include "debugtools.h"
  31
  32 DECLARE_DEBUG_CHANNEL(hook)
  33 DECLARE_DEBUG_CHANNEL(local)
  34 DECLARE_DEBUG_CHANNEL(system)
  35 DECLARE_DEBUG_CHANNEL(win)
  36 DECLARE_DEBUG_CHANNEL(win32)
  37
  38 /***********************************************************************
  39  *           GetFreeSystemResources   (USER.284)
  40  */
  41 WORD WINAPI GetFreeSystemResources16( WORD resType )
  42 {
  43     int userPercent, gdiPercent;
  44
  45     switch(resType)
  46     {
  47     case GFSR_USERRESOURCES:
  48         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  49                                LOCAL_HeapSize( USER_HeapSel );
  50         gdiPercent  = 100;
  51         break;
  52
  53     case GFSR_GDIRESOURCES:
  54         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  55                                LOCAL_HeapSize( GDI_HeapSel );
  56         userPercent = 100;
  57         break;
  58
  59     case GFSR_SYSTEMRESOURCES:
  60         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  61                                LOCAL_HeapSize( USER_HeapSel );
  62         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  63                                LOCAL_HeapSize( GDI_HeapSel );
  64         break;
  65
  66     default:
  67         return 0;
  68     }
  69     return (WORD)MIN( userPercent, gdiPercent );
  70 }
  71
  72
  73 /***********************************************************************
  74  *           SystemHeapInfo   (TOOLHELP.71)
  75  */
  76 BOOL16 WINAPI SystemHeapInfo16( SYSHEAPINFO *pHeapInfo )
  77 {
  78     pHeapInfo->wUserFreePercent = GetFreeSystemResources16( GFSR_USERRESOURCES );
  79     pHeapInfo->wGDIFreePercent  = GetFreeSystemResources16( GFSR_GDIRESOURCES );
  80     pHeapInfo->hUserSegment = USER_HeapSel;
  81     pHeapInfo->hGDISegment  = GDI_HeapSel;
  82     return TRUE;
  83 }
  84
  85
  86 /***********************************************************************
  87  *           TimerCount   (TOOLHELP.80)
  88  */
  89 BOOL16 WINAPI TimerCount16( TIMERINFO *pTimerInfo )
  90 {
  91     /* FIXME
  92      * In standard mode, dwmsSinceStart = dwmsThisVM
  93      *
  94      * I tested this, under Windows in enhanced mode, and
  95      * if you never switch VM (ie start/stop DOS) these
  96      * values should be the same as well.
  97      *
  98      * Also, Wine should adjust for the hardware timer
  99      * to reduce the amount of error to ~1ms.
 100      * I can't be bothered, can you?
 101      */
 102     pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
 103     return TRUE;
 104 }
 105
 106 /**********************************************************************
 107  *           InitApp   (USER.5)
 108  */
 109 INT16 WINAPI InitApp16( HINSTANCE16 hInstance )
 110 {
 111     /* Hack: restore the divide-by-zero handler */
 112     /* FIXME: should set a USER-specific handler that displays a msg box */
 113     INT_SetPMHandler( 0, INT_GetPMHandler( 0xff ) );
 114
 115     /* Create task message queue */
 116     if ( !GetFastQueue16() ) return 0;
 117
 118     return 1;
 119 }
 120
 121 /**********************************************************************
 122  *           USER_ModuleUnload
 123  */
 124 static void USER_ModuleUnload( HMODULE16 hModule )
 125 {
 126     HOOK_FreeModuleHooks( hModule );
 127     CLASS_FreeModuleClasses( hModule );
 128     CURSORICON_FreeModuleIcons( hModule );
 129 }
 130
 131 /**********************************************************************
 132  *           USER_QueueCleanup
 133  */
 134 static void USER_QueueCleanup( HQUEUE16 hQueue )
 135 {
 136     if ( hQueue )
 137     {
 138         WND* desktop = WIN_GetDesktop();
 139
 140         /* Patch desktop window */
 141         if ( desktop->hmemTaskQ == hQueue )
 142         {
 143             HTASK16 nextTask = TASK_GetNextTask( GetCurrentTask() );
 144             desktop->hmemTaskQ = GetTaskQueue16( nextTask );
 145         }
 146
 147         /* Patch resident popup menu window */
 148         MENU_PatchResidentPopup( hQueue, NULL );
 149
 150         TIMER_RemoveQueueTimers( hQueue );
 151
 152         HOOK_FreeQueueHooks( hQueue );
 153
 154         QUEUE_SetExitingQueue( hQueue );
 155         WIN_ResetQueueWindows( desktop, hQueue, (HQUEUE16)0);
 156         CLIPBOARD_ResetLock( hQueue, 0 );
 157         QUEUE_SetExitingQueue( 0 );
 158
 159         /* Free the message queue */
 160         QUEUE_DeleteMsgQueue( hQueue );
 161
 162         WIN_ReleaseDesktop();
 163     }
 164 }
 165
 166 /**********************************************************************
 167  *           USER_AppExit
 168  */
 169 static void USER_AppExit( HINSTANCE16 hInstance )
 170 {
 171     /* FIXME: empty clipboard if needed, maybe destroy menus (Windows
 172      *        only complains about them but does nothing);
 173      */
 174
 175     /* ModuleUnload() in "Internals" */
 176
 177     hInstance = GetExePtr( hInstance );
 178     if( GetModuleUsage16( hInstance ) <= 1 )
 179         USER_ModuleUnload( hInstance );
 180 }
 181
 182
 183 /***********************************************************************
 184  *           USER_SignalProc (USER.314)
 185  */
 186 void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
 187                              UINT16 uExitFn, HINSTANCE16 hInstance,
 188                              HQUEUE16 hQueue )
 189 {
 190     FIXME_(win)("Win 3.1 USER signal %04x\n", uCode );
 191 }
 192
 193 /***********************************************************************
 194  *           FinalUserInit (USER.400)
 195  */
 196 void WINAPI FinalUserInit16( void )
 197 {
 198     /* FIXME: Should chain to FinalGdiInit now. */
 199 }
 200
 201 /***********************************************************************
 202  *           UserSignalProc     (USER.610) (USER32.559)
 203  *
 204  * For comments about the meaning of uCode and dwFlags
 205  * see PROCESS_CallUserSignalProc.
 206  *
 207  */
 208 WORD WINAPI UserSignalProc( UINT uCode, DWORD dwThreadOrProcessID,
 209                             DWORD dwFlags, HMODULE16 hModule )
 210 {
 211     HINSTANCE16 hInst;
 212
 213     /* FIXME: Proper reaction to most signals still missing. */
 214
 215     switch ( uCode )
 216     {
 217     case USIG_DLL_UNLOAD_WIN16:
 218     case USIG_DLL_UNLOAD_WIN32:
 219         USER_ModuleUnload( hModule );
 220         break;
 221
 222     case USIG_DLL_UNLOAD_ORPHANS:
 223         break;
 224
 225     case USIG_FAULT_DIALOG_PUSH:
 226     case USIG_FAULT_DIALOG_POP:
 227         break;
 228
 229     case USIG_THREAD_INIT:
 230         break;
 231
 232     case USIG_THREAD_EXIT:
 233         USER_QueueCleanup( GetThreadQueue16( dwThreadOrProcessID ) );
 234         SetThreadQueue16( dwThreadOrProcessID, 0 );
 235         break;
 236
 237     case USIG_PROCESS_CREATE:
 238     case USIG_PROCESS_INIT:
 239     case USIG_PROCESS_LOADED:
 240     case USIG_PROCESS_RUNNING:
 241         break;
 242
 243     case USIG_PROCESS_EXIT:
 244         break;
 245
 246     case USIG_PROCESS_DESTROY:
 247         hInst = GetProcessDword( dwThreadOrProcessID, GPD_HINSTANCE16 );
 248         USER_AppExit( hInst );
 249         break;
 250
 251     default:
 252         FIXME_(win)("(%04x, %08lx, %04lx, %04x)\n",
 253                     uCode, dwThreadOrProcessID, dwFlags, hModule );
 254         break;
 255     }
 256
 257     /* FIXME: Should chain to GdiSignalProc now. */
 258
 259     return 0;
 260 }
 261
 262
 263
 264 /***********************************************************************
 265  *           ExitWindows16   (USER.7)
 266  */
 267 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
 268 {
 269     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 270 }
 271
 272
 273 /***********************************************************************
 274  *           ExitWindowsExec16   (USER.246)
 275  */
 276 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
 277 {
 278     TRACE_(system)("Should run the following in DOS-mode: \"%s %s\"\n",
 279         lpszExe, lpszParams);
 280     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 281 }
 282
 283
 284 /***********************************************************************
 285  *           ExitWindowsEx   (USER32.196)
 286  */
 287 BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reserved )
 288 {
 289     int i;
 290     BOOL result;
 291     WND **list, **ppWnd;
 292
 293     /* We have to build a list of all windows first, as in EnumWindows */
 294
 295     if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
 296     {
 297         WIN_ReleaseDesktop();
 298         return FALSE;
 299     }
 300
 301     /* Send a WM_QUERYENDSESSION message to every window */
 302
 303     for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
 304     {
 305         /* Make sure that the window still exists */
 306         if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
 307         if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
 308             break;
 309     }
 310     result = !(*ppWnd);
 311
 312     /* Now notify all windows that got a WM_QUERYENDSESSION of the result */
 313
 314     for (ppWnd = list; i > 0; i--, ppWnd++)
 315     {
 316         if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
 317         SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
 318     }
 319     WIN_ReleaseWinArray(list);
 320
 321     if (result) ExitKernel16();
 322     WIN_ReleaseDesktop();
 323     return FALSE;
 324 }
 325
 326
 327 /***********************************************************************
 328  *           ChangeDisplaySettingA    (USER32.589)
 329  */
 330 LONG WINAPI ChangeDisplaySettingsA( LPDEVMODEA devmode, DWORD flags )
 331 {
 332   FIXME_(system)(": stub\n");
 333   if (devmode==NULL)
 334     FIXME_(system)("   devmode=NULL (return to default mode)\n");
 335   else if ( (devmode->dmBitsPerPel != DESKTOP_GetScreenDepth())
 336             || (devmode->dmPelsHeight != DESKTOP_GetScreenHeight())
 337             || (devmode->dmPelsWidth != DESKTOP_GetScreenWidth()) )
 338
 339   {
 340
 341     if (devmode->dmFields & DM_BITSPERPEL)
 342       FIXME_(system)("   bpp=%ld\n",devmode->dmBitsPerPel);
 343     if (devmode->dmFields & DM_PELSWIDTH)
 344       FIXME_(system)("   width=%ld\n",devmode->dmPelsWidth);
 345     if (devmode->dmFields & DM_PELSHEIGHT)
 346       FIXME_(system)("   height=%ld\n",devmode->dmPelsHeight);
 347     FIXME_(system)(" (Putting X in this mode beforehand might help)\n");
 348     /* we don't, but the program ... does not need to know */
 349     return DISP_CHANGE_SUCCESSFUL;
 350   }
 351   return DISP_CHANGE_SUCCESSFUL;
 352 }
 353
 354 /***********************************************************************
 355  *           EnumDisplaySettingsA   (USER32.592)
 356  * FIXME: Currently uses static list of modes.
 357  *
 358  * RETURNS
 359  *      TRUE if nth setting exists found (described in the LPDEVMODE32A struct)
 360  *      FALSE if we do not have the nth setting
 361  */
 362 BOOL WINAPI EnumDisplaySettingsA(
 363         LPCSTR name,            /* [in] huh? */
 364         DWORD n,                /* [in] nth entry in display settings list*/
 365         LPDEVMODEA devmode      /* [out] devmode for that setting */
 366 ) {
 367 #define NRMODES 5
 368 #define NRDEPTHS 4
 369         struct {
 370                 int w,h;
 371         } modes[NRMODES]={{512,384},{640,400},{640,480},{800,600},{1024,768}};
 372         int depths[4] = {8,16,24,32};
 373
 374         TRACE_(system)("(%s,%ld,%p)\n",name,n,devmode);
 375         if (n==0) {
 376                 devmode->dmBitsPerPel = DESKTOP_GetScreenDepth();
 377                 devmode->dmPelsHeight = DESKTOP_GetScreenHeight();
 378                 devmode->dmPelsWidth = DESKTOP_GetScreenWidth();
 379                 return TRUE;
 380         }
 381         if ((n-1)<NRMODES*NRDEPTHS) {
 382                 devmode->dmBitsPerPel   = depths[(n-1)/NRMODES];
 383                 devmode->dmPelsHeight   = modes[(n-1)%NRMODES].h;
 384                 devmode->dmPelsWidth    = modes[(n-1)%NRMODES].w;
 385                 return TRUE;
 386         }
 387         return FALSE;
 388 }
 389
 390 /***********************************************************************
 391  *           EnumDisplaySettingsW   (USER32.593)
 392  */
 393 BOOL WINAPI EnumDisplaySettingsW(LPCWSTR name,DWORD n,LPDEVMODEW devmode) {
 394         LPSTR nameA = HEAP_strdupWtoA(GetProcessHeap(),0,name);
 395         DEVMODEA        devmodeA;
 396         BOOL ret = EnumDisplaySettingsA(nameA,n,&devmodeA);
 397
 398         if (ret) {
 399                 devmode->dmBitsPerPel   = devmodeA.dmBitsPerPel;
 400                 devmode->dmPelsHeight   = devmodeA.dmPelsHeight;
 401                 devmode->dmPelsWidth    = devmodeA.dmPelsWidth;
 402                 /* FIXME: convert rest too, if they are ever returned */
 403         }
 404         HeapFree(GetProcessHeap(),0,nameA);
 405         return ret;
 406 }
 407
 408 /***********************************************************************
 409  *           SetEventHook   (USER.321)
 410  *
 411  *      Used by Turbo Debugger for Windows
 412  */
 413 FARPROC16 WINAPI SetEventHook16(FARPROC16 lpfnEventHook)
 414 {
 415         FIXME_(hook)("(lpfnEventHook=%08x): stub\n", (UINT)lpfnEventHook);
 416         return NULL;
 417 }
 418
 419 /***********************************************************************
 420  *           UserSeeUserDo   (USER.216)
 421  */
 422 DWORD WINAPI UserSeeUserDo16(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
 423 {
 424     switch (wReqType)
 425     {
 426     case USUD_LOCALALLOC:
 427         return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
 428     case USUD_LOCALFREE:
 429         return LOCAL_Free(USER_HeapSel, wParam1);
 430     case USUD_LOCALCOMPACT:
 431         return LOCAL_Compact(USER_HeapSel, wParam3, 0);
 432     case USUD_LOCALHEAP:
 433         return USER_HeapSel;
 434     case USUD_FIRSTCLASS:
 435         FIXME_(local)("return a pointer to the first window class.\n");
 436         return (DWORD)-1;
 437     default:
 438         WARN_(local)("wReqType %04x (unknown)", wReqType);
 439         return (DWORD)-1;
 440     }
 441 }
 442
 443 /***********************************************************************
 444  *         GetSystemDebugState16   (USER.231)
 445  */
 446 WORD WINAPI GetSystemDebugState16(void)
 447 {
 448     return 0;  /* FIXME */
 449 }
 450
 451 /***********************************************************************
 452  *           RegisterLogonProcess   (USER32.434)
 453  */
 454 DWORD WINAPI RegisterLogonProcess(HANDLE hprocess,BOOL x) {
 455         FIXME_(win32)("(%d,%d),stub!\n",hprocess,x);
 456         return 1;
 457 }
 458
 459 /***********************************************************************
 460  *           CreateWindowStation32W   (USER32.86)
 461  */
 462 HWINSTA WINAPI CreateWindowStationW(
 463         LPWSTR winstation,DWORD res1,DWORD desiredaccess,
 464         LPSECURITY_ATTRIBUTES lpsa
 465 ) {
 466         FIXME_(win32)("(%s,0x%08lx,0x%08lx,%p),stub!\n",debugstr_w(winstation),
 467                 res1,desiredaccess,lpsa
 468         );
 469         return 0xdeadcafe;
 470 }
 471
 472 /***********************************************************************
 473  *           SetProcessWindowStation   (USER32.496)
 474  */
 475 BOOL WINAPI SetProcessWindowStation(HWINSTA hWinSta) {
 476         FIXME_(win32)("(%d),stub!\n",hWinSta);
 477         return TRUE;
 478 }
 479
 480 /***********************************************************************
 481  *           SetUserObjectSecurity   (USER32.514)
 482  */
 483 BOOL WINAPI SetUserObjectSecurity(
 484         HANDLE hObj,
 485         /*LPSECURITY_INFORMATION*/LPVOID pSIRequested,
 486         PSECURITY_DESCRIPTOR pSID
 487 ) {
 488         FIXME_(win32)("(0x%08x,%p,%p),stub!\n",hObj,pSIRequested,pSID);
 489         return TRUE;
 490 }
 491
 492 /***********************************************************************
 493  *           CreateDesktop32W   (USER32.69)
 494  */
 495 HDESK WINAPI CreateDesktopW(
 496         LPWSTR lpszDesktop,LPWSTR lpszDevice,LPDEVMODEW pDevmode,
 497         DWORD dwFlags,DWORD dwDesiredAccess,LPSECURITY_ATTRIBUTES lpsa
 498 ) {
 499         FIXME_(win32)("(%s,%s,%p,0x%08lx,0x%08lx,%p),stub!\n",
 500                 debugstr_w(lpszDesktop),debugstr_w(lpszDevice),pDevmode,
 501                 dwFlags,dwDesiredAccess,lpsa
 502         );
 503         return 0xcafedead;
 504 }
 505
 506 BOOL WINAPI CloseWindowStation(HWINSTA hWinSta)
 507 {
 508     FIXME_(win32)("(0x%08x)\n", hWinSta);
 509     return TRUE;
 510 }
 511 BOOL WINAPI CloseDesktop(HDESK hDesk)
 512 {
 513     FIXME_(win32)("(0x%08x)\n", hDesk);
 514     return TRUE;
 515 }
 516
 517 /***********************************************************************
 518  *           SetWindowStationUser   (USER32.521)
 519  */
 520 DWORD WINAPI SetWindowStationUser(DWORD x1,DWORD x2) {
 521         FIXME_(win32)("(0x%08lx,0x%08lx),stub!\n",x1,x2);
 522         return 1;
 523 }
 524
 525 /***********************************************************************
 526  *           SetLogonNotifyWindow   (USER32.486)
 527  */
 528 DWORD WINAPI SetLogonNotifyWindow(HWINSTA hwinsta,HWND hwnd) {
 529         FIXME_(win32)("(0x%x,%04x),stub!\n",hwinsta,hwnd);
 530         return 1;
 531 }
 532
 533 /***********************************************************************
 534  *           LoadLocalFonts   (USER32.486)
 535  */
 536 VOID WINAPI LoadLocalFonts(VOID) {
 537         /* are loaded. */
 538         return;
 539 }
 540 /***********************************************************************
 541  *           GetUserObjectInformation32A   (USER32.299)
 542  */
 543 BOOL WINAPI GetUserObjectInformationA( HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 544 {       FIXME_(win32)("(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 545         return TRUE;
 546 }
 547 /***********************************************************************
 548  *           GetUserObjectInformation32W   (USER32.300)
 549  */
 550 BOOL WINAPI GetUserObjectInformationW( HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 551 {       FIXME_(win32)("(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 552         return TRUE;
 553 }
 554 /***********************************************************************
 555  *           GetUserObjectSecurity32   (USER32.300)
 556  */
 557 BOOL WINAPI GetUserObjectSecurity(HANDLE hObj, SECURITY_INFORMATION * pSIRequested,
 558         PSECURITY_DESCRIPTOR pSID, DWORD nLength, LPDWORD lpnLengthNeeded)
 559 {       FIXME_(win32)("(0x%x %p %p len=%ld %p),stub!\n",  hObj, pSIRequested, pSID, nLength, lpnLengthNeeded);
 560         return TRUE;
 561 }
 562
 563 /***********************************************************************
 564  *           SetSystemCursor   (USER32.507)
 565  */
 566 BOOL WINAPI SetSystemCursor(HCURSOR hcur, DWORD id)
 567 {       FIXME_(win32)("(%08x,%08lx),stub!\n",  hcur, id);
 568         return TRUE;
 569 }
 570
 571 /***********************************************************************
 572  *      RegisterSystemThread    (USER32.435)
 573  */
 574 void WINAPI RegisterSystemThread(DWORD flags, DWORD reserved)
 575 {
 576         FIXME_(win32)("(%08lx, %08lx)\n", flags, reserved);
 577 }