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