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 "windows.h"
  10 #include "resource.h"
  11 #include "heap.h"
  12 #include "gdi.h"
  13 #include "user.h"
  14 #include "task.h"
  15 #include "queue.h"
  16 #include "win.h"
  17 #include "clipboard.h"
  18 #include "menu.h"
  19 #include "hook.h"
  20 #include "debug.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
  31 /***********************************************************************
  32  *           GetFreeSystemResources   (USER.284)
  33  */
  34 WORD WINAPI GetFreeSystemResources( WORD resType )
  35 {
  36     int userPercent, gdiPercent;
  37
  38     switch(resType)
  39     {
  40     case GFSR_USERRESOURCES:
  41         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  42                                LOCAL_HeapSize( USER_HeapSel );
  43         gdiPercent  = 100;
  44         break;
  45
  46     case GFSR_GDIRESOURCES:
  47         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  48                                LOCAL_HeapSize( GDI_HeapSel );
  49         userPercent = 100;
  50         break;
  51
  52     case GFSR_SYSTEMRESOURCES:
  53         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  54                                LOCAL_HeapSize( USER_HeapSel );
  55         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  56                                LOCAL_HeapSize( GDI_HeapSel );
  57         break;
  58
  59     default:
  60         return 0;
  61     }
  62     return (WORD)MIN( userPercent, gdiPercent );
  63 }
  64
  65
  66 /***********************************************************************
  67  *           SystemHeapInfo   (TOOLHELP.71)
  68  */
  69 BOOL16 WINAPI SystemHeapInfo( SYSHEAPINFO *pHeapInfo )
  70 {
  71     pHeapInfo->wUserFreePercent = GetFreeSystemResources( GFSR_USERRESOURCES );
  72     pHeapInfo->wGDIFreePercent  = GetFreeSystemResources( GFSR_GDIRESOURCES );
  73     pHeapInfo->hUserSegment = USER_HeapSel;
  74     pHeapInfo->hGDISegment  = GDI_HeapSel;
  75     return TRUE;
  76 }
  77
  78
  79 /***********************************************************************
  80  *           TimerCount   (TOOLHELP.80)
  81  */
  82 BOOL16 WINAPI TimerCount( TIMERINFO *pTimerInfo )
  83 {
  84     /* FIXME
  85      * In standard mode, dwmsSinceStart = dwmsThisVM
  86      *
  87      * I tested this, under Windows in enhanced mode, and
  88      * if you never switch VM (ie start/stop DOS) these
  89      * values should be the same as well.
  90      *
  91      * Also, Wine should adjust for the hardware timer
  92      * to reduce the amount of error to ~1ms.
  93      * I can't be bothered, can you?
  94      */
  95     pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
  96     return TRUE;
  97 }
  98
  99 static FARPROC16 __r16loader = NULL;
 100
 101 /**********************************************************************
 102  *           USER_CallDefaultRsrcHandler
 103  *
 104  * Called by the LoadDIBIcon/CursorHandler().
 105  */
 106 HGLOBAL16 USER_CallDefaultRsrcHandler( HGLOBAL16 hMemObj, HMODULE16 hModule, HRSRC16 hRsrc )
 107 {
 108     return Callbacks->CallResourceHandlerProc( __r16loader, hMemObj, hModule, hRsrc );
 109 }
 110
 111 /**********************************************************************
 112  *           USER_InstallRsrcHandler
 113  */
 114 static void USER_InstallRsrcHandler( HINSTANCE16 hInstance )
 115 {
 116     FARPROC16 proc;
 117
 118     /* SetResourceHandler() returns previous function which is set
 119      * when a module's resource table is loaded. */
 120
 121     proc = SetResourceHandler( hInstance, RT_ICON16,
 122                                MODULE_GetWndProcEntry16("LoadDIBIconHandler") );
 123     if (!__r16loader) __r16loader = proc;
 124
 125     proc = SetResourceHandler( hInstance, RT_CURSOR16,
 126                                MODULE_GetWndProcEntry16("LoadDIBCursorHandler") );
 127     if (!__r16loader) __r16loader = proc;
 128 }
 129
 130 /**********************************************************************
 131  *           InitApp   (USER.5)
 132  */
 133 INT16 WINAPI InitApp( HINSTANCE16 hInstance )
 134 {
 135       /* InitTask() calls LibMain()'s of implicitly loaded DLLs
 136        * prior to InitApp() so there is no clean way to do
 137        * SetTaskSignalHandler() in time. So, broken Windows bypasses
 138        * a pTask->userhandler on startup and simply calls a global
 139        * function pointer to the default USER signal handler.
 140        */
 141
 142     USER_InstallRsrcHandler( hInstance );
 143
 144     /* Hack: restore the divide-by-zero handler */
 145     /* FIXME: should set a USER-specific handler that displays a msg box */
 146     INT_SetPMHandler( 0, INT_GetPMHandler( 0xff ) );
 147
 148     /* Create task message queue */
 149     if ( !GetFastQueue() ) return 0;
 150
 151     return 1;
 152 }
 153
 154 /**********************************************************************
 155  *           USER_ModuleUnload
 156  */
 157 static void USER_ModuleUnload( HMODULE16 hModule )
 158 {
 159     HOOK_FreeModuleHooks( hModule );
 160     CLASS_FreeModuleClasses( hModule );
 161 }
 162
 163 /**********************************************************************
 164  *           USER_QueueCleanup
 165  */
 166 void USER_QueueCleanup( HQUEUE16 hQueue )
 167 {
 168     if ( hQueue )
 169     {
 170         WND* desktop = WIN_GetDesktop();
 171
 172         /* Patch resident popup menu window */
 173         MENU_PatchResidentPopup( hQueue, NULL );
 174
 175         TIMER_RemoveQueueTimers( hQueue );
 176
 177         QUEUE_FlushMessages( hQueue );
 178         HOOK_FreeQueueHooks( hQueue );
 179
 180         QUEUE_SetExitingQueue( hQueue );
 181         WIN_ResetQueueWindows( desktop, hQueue, (HQUEUE16)0);
 182         CLIPBOARD_ResetLock( hQueue, 0 );
 183         QUEUE_SetExitingQueue( 0 );
 184
 185         /* Free the message queue */
 186         QUEUE_DeleteMsgQueue( hQueue );
 187     }
 188 }
 189
 190 /**********************************************************************
 191  *           USER_AppExit
 192  */
 193 static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
 194 {
 195     /* FIXME: empty clipboard if needed, maybe destroy menus (Windows
 196      *        only complains about them but does nothing);
 197      */
 198
 199     WND* desktop = WIN_GetDesktop();
 200
 201     /* Patch desktop window */
 202     if( desktop->hmemTaskQ == hQueue )
 203         desktop->hmemTaskQ = GetTaskQueue(TASK_GetNextTask(hTask));
 204
 205     USER_QueueCleanup(hQueue);
 206
 207     /* ModuleUnload() in "Internals" */
 208
 209     hInstance = GetExePtr( hInstance );
 210     if( GetModuleUsage( hInstance ) <= 1 )
 211         USER_ModuleUnload( hInstance );
 212 }
 213
 214
 215 /***********************************************************************
 216  *           USER_ExitWindows
 217  *
 218  * Clean-up everything and exit the Wine process.
 219  * This is the back-end of ExitWindows(), called when all windows
 220  * have agreed to be terminated.
 221  */
 222 void USER_ExitWindows(void)
 223 {
 224     /* Do the clean-up stuff */
 225
 226     WriteOutProfiles();
 227     SHELL_SaveRegistry();
 228
 229     exit(0);
 230 }
 231
 232
 233 /***********************************************************************
 234  *           USER_SignalProc (USER.314)
 235  */
 236 void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
 237                              UINT16 uExitFn, HINSTANCE16 hInstance,
 238                              HQUEUE16 hQueue )
 239 {
 240     switch( uCode )
 241     {
 242         case USIG_GPF:
 243         case USIG_TERMINATION:
 244              USER_AppExit( hTaskOrModule, hInstance, hQueue ); /* task */
 245              break;
 246
 247         case USIG_DLL_LOAD:
 248              USER_InstallRsrcHandler( hTaskOrModule ); /* module */
 249              break;
 250
 251         case USIG_DLL_UNLOAD:
 252              USER_ModuleUnload( hTaskOrModule ); /* module */
 253              break;
 254
 255         default:
 256              FIXME(msg,"Unimplemented USER signal: %i\n", (int)uCode );
 257     }
 258 }
 259
 260
 261 /***********************************************************************
 262  *           ExitWindows16   (USER.7)
 263  */
 264 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
 265 {
 266     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 267 }
 268
 269
 270 /***********************************************************************
 271  *           ExitWindowsExec16   (USER.246)
 272  */
 273 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
 274 {
 275     TRACE(system, "Should run the following in DOS-mode: \"%s %s\"\n",
 276         lpszExe, lpszParams);
 277     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 278 }
 279
 280
 281 /***********************************************************************
 282  *           ExitWindowsEx   (USER32.196)
 283  */
 284 BOOL32 WINAPI ExitWindowsEx( UINT32 flags, DWORD reserved )
 285 {
 286     int i;
 287     BOOL32 result;
 288     WND **list, **ppWnd;
 289
 290     /* We have to build a list of all windows first, as in EnumWindows */
 291
 292     if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL ))) return FALSE;
 293
 294     /* Send a WM_QUERYENDSESSION message to every window */
 295
 296     for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
 297     {
 298         /* Make sure that the window still exists */
 299         if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
 300         if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
 301             break;
 302     }
 303     result = !(*ppWnd);
 304
 305     /* Now notify all windows that got a WM_QUERYENDSESSION of the result */
 306
 307     for (ppWnd = list; i > 0; i--, ppWnd++)
 308     {
 309         if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
 310         SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
 311     }
 312     HeapFree( SystemHeap, 0, list );
 313
 314     if (result) USER_ExitWindows();
 315     return FALSE;
 316 }
 317
 318
 319 /***********************************************************************
 320  *           ChangeDisplaySettingA    (USER32.589)
 321  */
 322 LONG WINAPI ChangeDisplaySettings32A( LPDEVMODE32A devmode, DWORD flags )
 323 {
 324   FIXME(system, ": stub\n");
 325   if (devmode==NULL)
 326     FIXME(system,"   devmode=NULL (return to default mode)\n");
 327   else if ( (devmode->dmBitsPerPel != DESKTOP_GetScreenDepth())
 328             || (devmode->dmPelsHeight != DESKTOP_GetScreenHeight())
 329             || (devmode->dmPelsWidth != DESKTOP_GetScreenWidth()) )
 330
 331   {
 332
 333     if (devmode->dmFields & DM_BITSPERPEL)
 334       FIXME(system,"   bpp=%ld\n",devmode->dmBitsPerPel);
 335     if (devmode->dmFields & DM_PELSWIDTH)
 336       FIXME(system,"   width=%ld\n",devmode->dmPelsWidth);
 337     if (devmode->dmFields & DM_PELSHEIGHT)
 338       FIXME(system,"   height=%ld\n",devmode->dmPelsHeight);
 339     FIXME(system," (Putting X in this mode beforehand might help)\n");
 340     /* we don't, but the program ... does not need to know */
 341     return DISP_CHANGE_SUCCESSFUL;
 342   }
 343   return DISP_CHANGE_SUCCESSFUL;
 344 }
 345
 346 /***********************************************************************
 347  *           EnumDisplaySettingsA   (USER32.592)
 348  * FIXME: Currently uses static list of modes.
 349  *
 350  * RETURNS
 351  *      TRUE if nth setting exists found (described in the LPDEVMODE32A struct)
 352  *      FALSE if we do not have the nth setting
 353  */
 354 BOOL32 WINAPI EnumDisplaySettings32A(
 355         LPCSTR name,            /* [in] huh? */
 356         DWORD n,                /* [in] nth entry in display settings list*/
 357         LPDEVMODE32A devmode    /* [out] devmode for that setting */
 358 ) {
 359 #define NRMODES 5
 360 #define NRDEPTHS 4
 361         struct {
 362                 int w,h;
 363         } modes[NRMODES]={{512,384},{640,400},{640,480},{800,600},{1024,768}};
 364         int depths[4] = {8,16,24,32};
 365
 366         TRACE(system,"(%s,%ld,%p)\n",name,n,devmode);
 367         if (n==0) {
 368                 devmode->dmBitsPerPel = DESKTOP_GetScreenDepth();
 369                 devmode->dmPelsHeight = DESKTOP_GetScreenHeight();
 370                 devmode->dmPelsWidth = DESKTOP_GetScreenWidth();
 371                 return TRUE;
 372         }
 373         if ((n-1)<NRMODES*NRDEPTHS) {
 374                 devmode->dmBitsPerPel   = depths[(n-1)/NRMODES];
 375                 devmode->dmPelsHeight   = modes[(n-1)%NRMODES].h;
 376                 devmode->dmPelsWidth    = modes[(n-1)%NRMODES].w;
 377                 return TRUE;
 378         }
 379         return FALSE;
 380 }
 381
 382 /***********************************************************************
 383  *           EnumDisplaySettingsW   (USER32.593)
 384  */
 385 BOOL32 WINAPI EnumDisplaySettings32W(LPCWSTR name,DWORD n,LPDEVMODE32W devmode) {
 386         LPSTR nameA = HEAP_strdupWtoA(GetProcessHeap(),0,name);
 387         DEVMODE32A      devmodeA;
 388         BOOL32 ret = EnumDisplaySettings32A(nameA,n,&devmodeA);
 389
 390         if (ret) {
 391                 devmode->dmBitsPerPel   = devmodeA.dmBitsPerPel;
 392                 devmode->dmPelsHeight   = devmodeA.dmPelsHeight;
 393                 devmode->dmPelsWidth    = devmodeA.dmPelsWidth;
 394                 /* FIXME: convert rest too, if they are ever returned */
 395         }
 396         HeapFree(GetProcessHeap(),0,nameA);
 397         return ret;
 398 }
 399
 400 /***********************************************************************
 401  *           SetEventHook   (USER.321)
 402  *
 403  *      Used by Turbo Debugger for Windows
 404  */
 405 FARPROC16 WINAPI SetEventHook(FARPROC16 lpfnEventHook)
 406 {
 407         FIXME(hook, "(lpfnEventHook=%08x): stub\n", (UINT32)lpfnEventHook);
 408         return NULL;
 409 }
 410
 411 /***********************************************************************
 412  *           UserSeeUserDo   (USER.216)
 413  */
 414 DWORD WINAPI UserSeeUserDo(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
 415 {
 416     switch (wReqType)
 417     {
 418     case USUD_LOCALALLOC:
 419         return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
 420     case USUD_LOCALFREE:
 421         return LOCAL_Free(USER_HeapSel, wParam1);
 422     case USUD_LOCALCOMPACT:
 423         return LOCAL_Compact(USER_HeapSel, wParam3, 0);
 424     case USUD_LOCALHEAP:
 425         return USER_HeapSel;
 426     case USUD_FIRSTCLASS:
 427         FIXME(local, "return a pointer to the first window class.\n");
 428         return (DWORD)-1;
 429     default:
 430         WARN(local, "wReqType %04x (unknown)", wReqType);
 431         return (DWORD)-1;
 432     }
 433 }
 434
 435 /***********************************************************************
 436  *           RegisterLogonProcess   (USER32.434)
 437  */
 438 DWORD WINAPI RegisterLogonProcess(HANDLE32 hprocess,BOOL32 x) {
 439         FIXME(win32,"(%d,%d),stub!\n",hprocess,x);
 440         return 1;
 441 }
 442
 443 /***********************************************************************
 444  *           CreateWindowStation32W   (USER32.86)
 445  */
 446 HWINSTA32 WINAPI CreateWindowStation32W(
 447         LPWSTR winstation,DWORD res1,DWORD desiredaccess,
 448         LPSECURITY_ATTRIBUTES lpsa
 449 ) {
 450         FIXME(win32,"(%s,0x%08lx,0x%08lx,%p),stub!\n",debugstr_w(winstation),
 451                 res1,desiredaccess,lpsa
 452         );
 453         return 0xdeadcafe;
 454 }
 455
 456 /***********************************************************************
 457  *           SetProcessWindowStation   (USER32.496)
 458  */
 459 BOOL32 WINAPI SetProcessWindowStation(HWINSTA32 hWinSta) {
 460         FIXME(win32,"(%d),stub!\n",hWinSta);
 461         return TRUE;
 462 }
 463
 464 /***********************************************************************
 465  *           SetUserObjectSecurity   (USER32.514)
 466  */
 467 BOOL32 WINAPI SetUserObjectSecurity(
 468         HANDLE32 hObj,
 469         /*LPSECURITY_INFORMATION*/LPVOID pSIRequested,
 470         PSECURITY_DESCRIPTOR pSID
 471 ) {
 472         FIXME(win32,"(0x%08x,%p,%p),stub!\n",hObj,pSIRequested,pSID);
 473         return TRUE;
 474 }
 475
 476 /***********************************************************************
 477  *           CreateDesktop32W   (USER32.69)
 478  */
 479 HDESK32 WINAPI CreateDesktop32W(
 480         LPWSTR lpszDesktop,LPWSTR lpszDevice,LPDEVMODE32W pDevmode,
 481         DWORD dwFlags,DWORD dwDesiredAccess,LPSECURITY_ATTRIBUTES lpsa
 482 ) {
 483         FIXME(win32,"(%s,%s,%p,0x%08lx,0x%08lx,%p),stub!\n",
 484                 debugstr_w(lpszDesktop),debugstr_w(lpszDevice),pDevmode,
 485                 dwFlags,dwDesiredAccess,lpsa
 486         );
 487         return 0xcafedead;
 488 }
 489
 490 /***********************************************************************
 491  *           SetWindowStationUser   (USER32.521)
 492  */
 493 DWORD WINAPI SetWindowStationUser(DWORD x1,DWORD x2) {
 494         FIXME(win32,"(0x%08lx,0x%08lx),stub!\n",x1,x2);
 495         return 1;
 496 }
 497
 498 /***********************************************************************
 499  *           SetLogonNotifyWindow   (USER32.486)
 500  */
 501 DWORD WINAPI SetLogonNotifyWindow(HWINSTA32 hwinsta,HWND32 hwnd) {
 502         FIXME(win32,"(0x%x,%04x),stub!\n",hwinsta,hwnd);
 503         return 1;
 504 }
 505
 506 /***********************************************************************
 507  *           LoadLocalFonts   (USER32.486)
 508  */
 509 VOID WINAPI LoadLocalFonts(VOID) {
 510         /* are loaded. */
 511         return;
 512 }
 513 /***********************************************************************
 514  *           GetUserObjectInformation32A   (USER32.299)
 515  */
 516 BOOL32 WINAPI GetUserObjectInformation32A( HANDLE32 hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 517 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 518         return TRUE;
 519 }
 520 /***********************************************************************
 521  *           GetUserObjectInformation32W   (USER32.300)
 522  */
 523 BOOL32 WINAPI GetUserObjectInformation32W( HANDLE32 hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 524 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 525         return TRUE;
 526 }
 527 /***********************************************************************
 528  *           GetUserObjectSecurity32   (USER32.300)
 529  */
 530 BOOL32 WINAPI GetUserObjectSecurity32(HANDLE32 hObj, SECURITY_INFORMATION * pSIRequested,
 531         PSECURITY_DESCRIPTOR pSID, DWORD nLength, LPDWORD lpnLengthNeeded)
 532 {       FIXME(win32,"(0x%x %p %p len=%ld %p),stub!\n",  hObj, pSIRequested, pSID, nLength, lpnLengthNeeded);
 533         return TRUE;
 534 }