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