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         QUEUE_SetExitingQueue( 0 );
 157
 158         /* Free the message queue */
 159         QUEUE_DeleteMsgQueue( hQueue );
 160
 161         WIN_ReleaseDesktop();
 162     }
 163 }
 164
 165 /**********************************************************************
 166  *           USER_AppExit
 167  */
 168 static void USER_AppExit( HINSTANCE16 hInstance )
 169 {
 170     /* FIXME: maybe destroy menus (Windows only complains about them
 171      * but does nothing);
 172      */
 173
 174     /*  TODO: Start up persistant WINE X clipboard server process which will
 175      *  take ownership of the X selection and continue to service selection
 176      *  requests from other apps.
 177      */
 178
 179     /* ModuleUnload() in "Internals" */
 180
 181     hInstance = GetExePtr( hInstance );
 182     if( GetModuleUsage16( hInstance ) <= 1 )
 183         USER_ModuleUnload( hInstance );
 184 }
 185
 186
 187 /***********************************************************************
 188  *           USER_SignalProc (USER.314)
 189  */
 190 void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
 191                              UINT16 uExitFn, HINSTANCE16 hInstance,
 192                              HQUEUE16 hQueue )
 193 {
 194     FIXME_(win)("Win 3.1 USER signal %04x\n", uCode );
 195 }
 196
 197 /***********************************************************************
 198  *           FinalUserInit (USER.400)
 199  */
 200 void WINAPI FinalUserInit16( void )
 201 {
 202     /* FIXME: Should chain to FinalGdiInit now. */
 203 }
 204
 205 /***********************************************************************
 206  *           UserSignalProc     (USER.610) (USER32.559)
 207  *
 208  * For comments about the meaning of uCode and dwFlags
 209  * see PROCESS_CallUserSignalProc.
 210  *
 211  */
 212 WORD WINAPI UserSignalProc( UINT uCode, DWORD dwThreadOrProcessID,
 213                             DWORD dwFlags, HMODULE16 hModule )
 214 {
 215     HINSTANCE16 hInst;
 216
 217     /* FIXME: Proper reaction to most signals still missing. */
 218
 219     switch ( uCode )
 220     {
 221     case USIG_DLL_UNLOAD_WIN16:
 222     case USIG_DLL_UNLOAD_WIN32:
 223         USER_ModuleUnload( hModule );
 224         break;
 225
 226     case USIG_DLL_UNLOAD_ORPHANS:
 227         break;
 228
 229     case USIG_FAULT_DIALOG_PUSH:
 230     case USIG_FAULT_DIALOG_POP:
 231         break;
 232
 233     case USIG_THREAD_INIT:
 234         break;
 235
 236     case USIG_THREAD_EXIT:
 237         USER_QueueCleanup( GetThreadQueue16( dwThreadOrProcessID ) );
 238         SetThreadQueue16( dwThreadOrProcessID, 0 );
 239         break;
 240
 241     case USIG_PROCESS_CREATE:
 242     case USIG_PROCESS_INIT:
 243     case USIG_PROCESS_LOADED:
 244     case USIG_PROCESS_RUNNING:
 245         break;
 246
 247     case USIG_PROCESS_EXIT:
 248         break;
 249
 250     case USIG_PROCESS_DESTROY:
 251         hInst = GetProcessDword( dwThreadOrProcessID, GPD_HINSTANCE16 );
 252         USER_AppExit( hInst );
 253         break;
 254
 255     default:
 256         FIXME_(win)("(%04x, %08lx, %04lx, %04x)\n",
 257                     uCode, dwThreadOrProcessID, dwFlags, hModule );
 258         break;
 259     }
 260
 261     /* FIXME: Should chain to GdiSignalProc now. */
 262
 263     return 0;
 264 }
 265
 266
 267
 268 /***********************************************************************
 269  *           ExitWindows16   (USER.7)
 270  */
 271 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
 272 {
 273     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 274 }
 275
 276
 277 /***********************************************************************
 278  *           ExitWindowsExec16   (USER.246)
 279  */
 280 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
 281 {
 282     TRACE_(system)("Should run the following in DOS-mode: \"%s %s\"\n",
 283         lpszExe, lpszParams);
 284     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 285 }
 286
 287
 288 /***********************************************************************
 289  *           ExitWindowsEx   (USER32.196)
 290  */
 291 BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reserved )
 292 {
 293     int i;
 294     BOOL result;
 295     WND **list, **ppWnd;
 296
 297     /* We have to build a list of all windows first, as in EnumWindows */
 298
 299     if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
 300     {
 301         WIN_ReleaseDesktop();
 302         return FALSE;
 303     }
 304
 305     /* Send a WM_QUERYENDSESSION message to every window */
 306
 307     for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
 308     {
 309         /* Make sure that the window still exists */
 310         if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
 311         if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
 312             break;
 313     }
 314     result = !(*ppWnd);
 315
 316     /* Now notify all windows that got a WM_QUERYENDSESSION of the result */
 317
 318     for (ppWnd = list; i > 0; i--, ppWnd++)
 319     {
 320         if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
 321         SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
 322     }
 323     WIN_ReleaseWinArray(list);
 324
 325     if (result) ExitKernel16();
 326     WIN_ReleaseDesktop();
 327     return FALSE;
 328 }
 329
 330
 331 /***********************************************************************
 332  *           ChangeDisplaySettingA    (USER32.589)
 333  */
 334 LONG WINAPI ChangeDisplaySettingsA( LPDEVMODEA devmode, DWORD flags )
 335 {
 336   FIXME_(system)(": stub\n");
 337   if (devmode==NULL)
 338     FIXME_(system)("   devmode=NULL (return to default mode)\n");
 339   else if ( (devmode->dmBitsPerPel != DESKTOP_GetScreenDepth())
 340             || (devmode->dmPelsHeight != DESKTOP_GetScreenHeight())
 341             || (devmode->dmPelsWidth != DESKTOP_GetScreenWidth()) )
 342
 343   {
 344
 345     if (devmode->dmFields & DM_BITSPERPEL)
 346       FIXME_(system)("   bpp=%ld\n",devmode->dmBitsPerPel);
 347     if (devmode->dmFields & DM_PELSWIDTH)
 348       FIXME_(system)("   width=%ld\n",devmode->dmPelsWidth);
 349     if (devmode->dmFields & DM_PELSHEIGHT)
 350       FIXME_(system)("   height=%ld\n",devmode->dmPelsHeight);
 351     FIXME_(system)(" (Putting X in this mode beforehand might help)\n");
 352     /* we don't, but the program ... does not need to know */
 353     return DISP_CHANGE_SUCCESSFUL;
 354   }
 355   return DISP_CHANGE_SUCCESSFUL;
 356 }
 357
 358 /***********************************************************************
 359  *           EnumDisplaySettingsA   (USER32.592)
 360  * FIXME: Currently uses static list of modes.
 361  *
 362  * RETURNS
 363  *      TRUE if nth setting exists found (described in the LPDEVMODE32A struct)
 364  *      FALSE if we do not have the nth setting
 365  */
 366 BOOL WINAPI EnumDisplaySettingsA(
 367         LPCSTR name,            /* [in] huh? */
 368         DWORD n,                /* [in] nth entry in display settings list*/
 369         LPDEVMODEA devmode      /* [out] devmode for that setting */
 370 ) {
 371 #define NRMODES 5
 372 #define NRDEPTHS 4
 373         struct {
 374                 int w,h;
 375         } modes[NRMODES]={{512,384},{640,400},{640,480},{800,600},{1024,768}};
 376         int depths[4] = {8,16,24,32};
 377
 378         TRACE_(system)("(%s,%ld,%p)\n",name,n,devmode);
 379         if (n==0) {
 380                 devmode->dmBitsPerPel = DESKTOP_GetScreenDepth();
 381                 devmode->dmPelsHeight = DESKTOP_GetScreenHeight();
 382                 devmode->dmPelsWidth = DESKTOP_GetScreenWidth();
 383                 return TRUE;
 384         }
 385         if ((n-1)<NRMODES*NRDEPTHS) {
 386                 devmode->dmBitsPerPel   = depths[(n-1)/NRMODES];
 387                 devmode->dmPelsHeight   = modes[(n-1)%NRMODES].h;
 388                 devmode->dmPelsWidth    = modes[(n-1)%NRMODES].w;
 389                 return TRUE;
 390         }
 391         return FALSE;
 392 }
 393
 394 /***********************************************************************
 395  *           EnumDisplaySettingsW   (USER32.593)
 396  */
 397 BOOL WINAPI EnumDisplaySettingsW(LPCWSTR name,DWORD n,LPDEVMODEW devmode) {
 398         LPSTR nameA = HEAP_strdupWtoA(GetProcessHeap(),0,name);
 399         DEVMODEA        devmodeA;
 400         BOOL ret = EnumDisplaySettingsA(nameA,n,&devmodeA);
 401
 402         if (ret) {
 403                 devmode->dmBitsPerPel   = devmodeA.dmBitsPerPel;
 404                 devmode->dmPelsHeight   = devmodeA.dmPelsHeight;
 405                 devmode->dmPelsWidth    = devmodeA.dmPelsWidth;
 406                 /* FIXME: convert rest too, if they are ever returned */
 407         }
 408         HeapFree(GetProcessHeap(),0,nameA);
 409         return ret;
 410 }
 411
 412 /***********************************************************************
 413  *           SetEventHook   (USER.321)
 414  *
 415  *      Used by Turbo Debugger for Windows
 416  */
 417 FARPROC16 WINAPI SetEventHook16(FARPROC16 lpfnEventHook)
 418 {
 419         FIXME_(hook)("(lpfnEventHook=%08x): stub\n", (UINT)lpfnEventHook);
 420         return NULL;
 421 }
 422
 423 /***********************************************************************
 424  *           UserSeeUserDo   (USER.216)
 425  */
 426 DWORD WINAPI UserSeeUserDo16(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
 427 {
 428     switch (wReqType)
 429     {
 430     case USUD_LOCALALLOC:
 431         return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
 432     case USUD_LOCALFREE:
 433         return LOCAL_Free(USER_HeapSel, wParam1);
 434     case USUD_LOCALCOMPACT:
 435         return LOCAL_Compact(USER_HeapSel, wParam3, 0);
 436     case USUD_LOCALHEAP:
 437         return USER_HeapSel;
 438     case USUD_FIRSTCLASS:
 439         FIXME_(local)("return a pointer to the first window class.\n");
 440         return (DWORD)-1;
 441     default:
 442         WARN_(local)("wReqType %04x (unknown)", wReqType);
 443         return (DWORD)-1;
 444     }
 445 }
 446
 447 /***********************************************************************
 448  *         GetSystemDebugState16   (USER.231)
 449  */
 450 WORD WINAPI GetSystemDebugState16(void)
 451 {
 452     return 0;  /* FIXME */
 453 }
 454
 455 /***********************************************************************
 456  *           RegisterLogonProcess   (USER32.434)
 457  */
 458 DWORD WINAPI RegisterLogonProcess(HANDLE hprocess,BOOL x) {
 459         FIXME_(win32)("(%d,%d),stub!\n",hprocess,x);
 460         return 1;
 461 }
 462
 463 /***********************************************************************
 464  *           CreateWindowStation32W   (USER32.86)
 465  */
 466 HWINSTA WINAPI CreateWindowStationW(
 467         LPWSTR winstation,DWORD res1,DWORD desiredaccess,
 468         LPSECURITY_ATTRIBUTES lpsa
 469 ) {
 470         FIXME_(win32)("(%s,0x%08lx,0x%08lx,%p),stub!\n",debugstr_w(winstation),
 471                 res1,desiredaccess,lpsa
 472         );
 473         return 0xdeadcafe;
 474 }
 475
 476 /***********************************************************************
 477  *           SetProcessWindowStation   (USER32.496)
 478  */
 479 BOOL WINAPI SetProcessWindowStation(HWINSTA hWinSta) {
 480         FIXME_(win32)("(%d),stub!\n",hWinSta);
 481         return TRUE;
 482 }
 483
 484 /***********************************************************************
 485  *           SetUserObjectSecurity   (USER32.514)
 486  */
 487 BOOL WINAPI SetUserObjectSecurity(
 488         HANDLE hObj,
 489         /*LPSECURITY_INFORMATION*/LPVOID pSIRequested,
 490         PSECURITY_DESCRIPTOR pSID
 491 ) {
 492         FIXME_(win32)("(0x%08x,%p,%p),stub!\n",hObj,pSIRequested,pSID);
 493         return TRUE;
 494 }
 495
 496 /***********************************************************************
 497  *           CreateDesktop32W   (USER32.69)
 498  */
 499 HDESK WINAPI CreateDesktopW(
 500         LPWSTR lpszDesktop,LPWSTR lpszDevice,LPDEVMODEW pDevmode,
 501         DWORD dwFlags,DWORD dwDesiredAccess,LPSECURITY_ATTRIBUTES lpsa
 502 ) {
 503         FIXME_(win32)("(%s,%s,%p,0x%08lx,0x%08lx,%p),stub!\n",
 504                 debugstr_w(lpszDesktop),debugstr_w(lpszDevice),pDevmode,
 505                 dwFlags,dwDesiredAccess,lpsa
 506         );
 507         return 0xcafedead;
 508 }
 509
 510 BOOL WINAPI CloseWindowStation(HWINSTA hWinSta)
 511 {
 512     FIXME_(win32)("(0x%08x)\n", hWinSta);
 513     return TRUE;
 514 }
 515 BOOL WINAPI CloseDesktop(HDESK hDesk)
 516 {
 517     FIXME_(win32)("(0x%08x)\n", hDesk);
 518     return TRUE;
 519 }
 520
 521 /***********************************************************************
 522  *           SetWindowStationUser   (USER32.521)
 523  */
 524 DWORD WINAPI SetWindowStationUser(DWORD x1,DWORD x2) {
 525         FIXME_(win32)("(0x%08lx,0x%08lx),stub!\n",x1,x2);
 526         return 1;
 527 }
 528
 529 /***********************************************************************
 530  *           SetLogonNotifyWindow   (USER32.486)
 531  */
 532 DWORD WINAPI SetLogonNotifyWindow(HWINSTA hwinsta,HWND hwnd) {
 533         FIXME_(win32)("(0x%x,%04x),stub!\n",hwinsta,hwnd);
 534         return 1;
 535 }
 536
 537 /***********************************************************************
 538  *           LoadLocalFonts   (USER32.486)
 539  */
 540 VOID WINAPI LoadLocalFonts(VOID) {
 541         /* are loaded. */
 542         return;
 543 }
 544 /***********************************************************************
 545  *           GetUserObjectInformation32A   (USER32.299)
 546  */
 547 BOOL WINAPI GetUserObjectInformationA( HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 548 {       FIXME_(win32)("(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 549         return TRUE;
 550 }
 551 /***********************************************************************
 552  *           GetUserObjectInformation32W   (USER32.300)
 553  */
 554 BOOL WINAPI GetUserObjectInformationW( HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 555 {       FIXME_(win32)("(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 556         return TRUE;
 557 }
 558 /***********************************************************************
 559  *           GetUserObjectSecurity32   (USER32.300)
 560  */
 561 BOOL WINAPI GetUserObjectSecurity(HANDLE hObj, SECURITY_INFORMATION * pSIRequested,
 562         PSECURITY_DESCRIPTOR pSID, DWORD nLength, LPDWORD lpnLengthNeeded)
 563 {       FIXME_(win32)("(0x%x %p %p len=%ld %p),stub!\n",  hObj, pSIRequested, pSID, nLength, lpnLengthNeeded);
 564         return TRUE;
 565 }
 566
 567 /***********************************************************************
 568  *           SetSystemCursor   (USER32.507)
 569  */
 570 BOOL WINAPI SetSystemCursor(HCURSOR hcur, DWORD id)
 571 {       FIXME_(win32)("(%08x,%08lx),stub!\n",  hcur, id);
 572         return TRUE;
 573 }
 574
 575 /***********************************************************************
 576  *      RegisterSystemThread    (USER32.435)
 577  */
 578 void WINAPI RegisterSystemThread(DWORD flags, DWORD reserved)
 579 {
 580         FIXME_(win32)("(%08lx, %08lx)\n", flags, reserved);
 581 }