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 "debug.h"
  31
  32 /***********************************************************************
  33  *           GetFreeSystemResources   (USER.284)
  34  */
  35 WORD WINAPI GetFreeSystemResources16( WORD resType )
  36 {
  37     int userPercent, gdiPercent;
  38
  39     switch(resType)
  40     {
  41     case GFSR_USERRESOURCES:
  42         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  43                                LOCAL_HeapSize( USER_HeapSel );
  44         gdiPercent  = 100;
  45         break;
  46
  47     case GFSR_GDIRESOURCES:
  48         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  49                                LOCAL_HeapSize( GDI_HeapSel );
  50         userPercent = 100;
  51         break;
  52
  53     case GFSR_SYSTEMRESOURCES:
  54         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  55                                LOCAL_HeapSize( USER_HeapSel );
  56         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  57                                LOCAL_HeapSize( GDI_HeapSel );
  58         break;
  59
  60     default:
  61         return 0;
  62     }
  63     return (WORD)MIN( userPercent, gdiPercent );
  64 }
  65
  66
  67 /***********************************************************************
  68  *           SystemHeapInfo   (TOOLHELP.71)
  69  */
  70 BOOL16 WINAPI SystemHeapInfo16( SYSHEAPINFO *pHeapInfo )
  71 {
  72     pHeapInfo->wUserFreePercent = GetFreeSystemResources16( GFSR_USERRESOURCES );
  73     pHeapInfo->wGDIFreePercent  = GetFreeSystemResources16( GFSR_GDIRESOURCES );
  74     pHeapInfo->hUserSegment = USER_HeapSel;
  75     pHeapInfo->hGDISegment  = GDI_HeapSel;
  76     return TRUE;
  77 }
  78
  79
  80 /***********************************************************************
  81  *           TimerCount   (TOOLHELP.80)
  82  */
  83 BOOL16 WINAPI TimerCount16( TIMERINFO *pTimerInfo )
  84 {
  85     /* FIXME
  86      * In standard mode, dwmsSinceStart = dwmsThisVM
  87      *
  88      * I tested this, under Windows in enhanced mode, and
  89      * if you never switch VM (ie start/stop DOS) these
  90      * values should be the same as well.
  91      *
  92      * Also, Wine should adjust for the hardware timer
  93      * to reduce the amount of error to ~1ms.
  94      * I can't be bothered, can you?
  95      */
  96     pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
  97     return TRUE;
  98 }
  99
 100 /**********************************************************************
 101  *           InitApp   (USER.5)
 102  */
 103 INT16 WINAPI InitApp16( HINSTANCE16 hInstance )
 104 {
 105     /* Hack: restore the divide-by-zero handler */
 106     /* FIXME: should set a USER-specific handler that displays a msg box */
 107     INT_SetPMHandler( 0, INT_GetPMHandler( 0xff ) );
 108
 109     /* Create task message queue */
 110     if ( !GetFastQueue16() ) return 0;
 111
 112     return 1;
 113 }
 114
 115 /**********************************************************************
 116  *           USER_ModuleUnload
 117  */
 118 static void USER_ModuleUnload( HMODULE16 hModule )
 119 {
 120     HOOK_FreeModuleHooks( hModule );
 121     CLASS_FreeModuleClasses( hModule );
 122     CURSORICON_FreeModuleIcons( hModule );
 123 }
 124
 125 /**********************************************************************
 126  *           USER_QueueCleanup
 127  */
 128 void USER_QueueCleanup( HQUEUE16 hQueue )
 129 {
 130     if ( hQueue )
 131     {
 132         WND* desktop = WIN_GetDesktop();
 133
 134         /* Patch resident popup menu window */
 135         MENU_PatchResidentPopup( hQueue, NULL );
 136
 137         TIMER_RemoveQueueTimers( hQueue );
 138
 139         HOOK_FreeQueueHooks( hQueue );
 140
 141         QUEUE_SetExitingQueue( hQueue );
 142         WIN_ResetQueueWindows( desktop, hQueue, (HQUEUE16)0);
 143         CLIPBOARD_ResetLock( hQueue, 0 );
 144         QUEUE_SetExitingQueue( 0 );
 145
 146         /* Free the message queue */
 147         QUEUE_DeleteMsgQueue( hQueue );
 148
 149         WIN_ReleaseDesktop();
 150     }
 151 }
 152
 153 /**********************************************************************
 154  *           USER_AppExit
 155  */
 156 static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
 157 {
 158     /* FIXME: empty clipboard if needed, maybe destroy menus (Windows
 159      *        only complains about them but does nothing);
 160      */
 161
 162     WND* desktop = WIN_GetDesktop();
 163
 164     /* Patch desktop window */
 165     if( desktop->hmemTaskQ == hQueue )
 166         desktop->hmemTaskQ = GetTaskQueue16(TASK_GetNextTask(hTask));
 167
 168     USER_QueueCleanup(hQueue);
 169
 170     /* ModuleUnload() in "Internals" */
 171
 172     hInstance = GetExePtr( hInstance );
 173     if( GetModuleUsage16( hInstance ) <= 1 )
 174         USER_ModuleUnload( hInstance );
 175
 176     WIN_ReleaseDesktop();
 177 }
 178
 179
 180 /***********************************************************************
 181  *           USER_ExitWindows
 182  *
 183  * Clean-up everything and exit the Wine process.
 184  * This is the back-end of ExitWindows(), called when all windows
 185  * have agreed to be terminated.
 186  */
 187 void USER_ExitWindows(void)
 188 {
 189     /* Do the clean-up stuff */
 190
 191     WriteOutProfiles16();
 192     SHELL_SaveRegistry();
 193
 194     exit(0);
 195 }
 196
 197
 198 /***********************************************************************
 199  *           USER_SignalProc (USER.314)
 200  */
 201 void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
 202                              UINT16 uExitFn, HINSTANCE16 hInstance,
 203                              HQUEUE16 hQueue )
 204 {
 205     switch( uCode )
 206     {
 207         case USIG_GPF:
 208         case USIG_TERMINATION:
 209              USER_AppExit( hTaskOrModule, hInstance, hQueue ); /* task */
 210              break;
 211
 212         case USIG_DLL_LOAD:
 213              break;
 214
 215         case USIG_DLL_UNLOAD:
 216              USER_ModuleUnload( hTaskOrModule ); /* module */
 217              break;
 218
 219         default:
 220              FIXME(msg,"Unimplemented USER signal: %i\n", (int)uCode );
 221     }
 222 }
 223
 224
 225 /***********************************************************************
 226  *           ExitWindows16   (USER.7)
 227  */
 228 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
 229 {
 230     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 231 }
 232
 233
 234 /***********************************************************************
 235  *           ExitWindowsExec16   (USER.246)
 236  */
 237 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
 238 {
 239     TRACE(system, "Should run the following in DOS-mode: \"%s %s\"\n",
 240         lpszExe, lpszParams);
 241     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 242 }
 243
 244
 245 /***********************************************************************
 246  *           ExitWindowsEx   (USER32.196)
 247  */
 248 BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reserved )
 249 {
 250     int i;
 251     BOOL result;
 252     WND **list, **ppWnd;
 253
 254     /* We have to build a list of all windows first, as in EnumWindows */
 255
 256     if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
 257     {
 258         WIN_ReleaseDesktop();
 259         return FALSE;
 260     }
 261
 262     /* Send a WM_QUERYENDSESSION message to every window */
 263
 264     for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
 265     {
 266         /* Make sure that the window still exists */
 267         if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
 268         if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
 269             break;
 270     }
 271     result = !(*ppWnd);
 272
 273     /* Now notify all windows that got a WM_QUERYENDSESSION of the result */
 274
 275     for (ppWnd = list; i > 0; i--, ppWnd++)
 276     {
 277         if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
 278         SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
 279     }
 280     WIN_ReleaseWinArray(list);
 281
 282     if (result) USER_ExitWindows();
 283     WIN_ReleaseDesktop();
 284     return FALSE;
 285 }
 286
 287
 288 /***********************************************************************
 289  *           ChangeDisplaySettingA    (USER32.589)
 290  */
 291 LONG WINAPI ChangeDisplaySettingsA( LPDEVMODEA devmode, DWORD flags )
 292 {
 293   FIXME(system, ": stub\n");
 294   if (devmode==NULL)
 295     FIXME(system,"   devmode=NULL (return to default mode)\n");
 296   else if ( (devmode->dmBitsPerPel != DESKTOP_GetScreenDepth())
 297             || (devmode->dmPelsHeight != DESKTOP_GetScreenHeight())
 298             || (devmode->dmPelsWidth != DESKTOP_GetScreenWidth()) )
 299
 300   {
 301
 302     if (devmode->dmFields & DM_BITSPERPEL)
 303       FIXME(system,"   bpp=%ld\n",devmode->dmBitsPerPel);
 304     if (devmode->dmFields & DM_PELSWIDTH)
 305       FIXME(system,"   width=%ld\n",devmode->dmPelsWidth);
 306     if (devmode->dmFields & DM_PELSHEIGHT)
 307       FIXME(system,"   height=%ld\n",devmode->dmPelsHeight);
 308     FIXME(system," (Putting X in this mode beforehand might help)\n");
 309     /* we don't, but the program ... does not need to know */
 310     return DISP_CHANGE_SUCCESSFUL;
 311   }
 312   return DISP_CHANGE_SUCCESSFUL;
 313 }
 314
 315 /***********************************************************************
 316  *           EnumDisplaySettingsA   (USER32.592)
 317  * FIXME: Currently uses static list of modes.
 318  *
 319  * RETURNS
 320  *      TRUE if nth setting exists found (described in the LPDEVMODE32A struct)
 321  *      FALSE if we do not have the nth setting
 322  */
 323 BOOL WINAPI EnumDisplaySettingsA(
 324         LPCSTR name,            /* [in] huh? */
 325         DWORD n,                /* [in] nth entry in display settings list*/
 326         LPDEVMODEA devmode      /* [out] devmode for that setting */
 327 ) {
 328 #define NRMODES 5
 329 #define NRDEPTHS 4
 330         struct {
 331                 int w,h;
 332         } modes[NRMODES]={{512,384},{640,400},{640,480},{800,600},{1024,768}};
 333         int depths[4] = {8,16,24,32};
 334
 335         TRACE(system,"(%s,%ld,%p)\n",name,n,devmode);
 336         if (n==0) {
 337                 devmode->dmBitsPerPel = DESKTOP_GetScreenDepth();
 338                 devmode->dmPelsHeight = DESKTOP_GetScreenHeight();
 339                 devmode->dmPelsWidth = DESKTOP_GetScreenWidth();
 340                 return TRUE;
 341         }
 342         if ((n-1)<NRMODES*NRDEPTHS) {
 343                 devmode->dmBitsPerPel   = depths[(n-1)/NRMODES];
 344                 devmode->dmPelsHeight   = modes[(n-1)%NRMODES].h;
 345                 devmode->dmPelsWidth    = modes[(n-1)%NRMODES].w;
 346                 return TRUE;
 347         }
 348         return FALSE;
 349 }
 350
 351 /***********************************************************************
 352  *           EnumDisplaySettingsW   (USER32.593)
 353  */
 354 BOOL WINAPI EnumDisplaySettingsW(LPCWSTR name,DWORD n,LPDEVMODEW devmode) {
 355         LPSTR nameA = HEAP_strdupWtoA(GetProcessHeap(),0,name);
 356         DEVMODEA        devmodeA;
 357         BOOL ret = EnumDisplaySettingsA(nameA,n,&devmodeA);
 358
 359         if (ret) {
 360                 devmode->dmBitsPerPel   = devmodeA.dmBitsPerPel;
 361                 devmode->dmPelsHeight   = devmodeA.dmPelsHeight;
 362                 devmode->dmPelsWidth    = devmodeA.dmPelsWidth;
 363                 /* FIXME: convert rest too, if they are ever returned */
 364         }
 365         HeapFree(GetProcessHeap(),0,nameA);
 366         return ret;
 367 }
 368
 369 /***********************************************************************
 370  *           SetEventHook   (USER.321)
 371  *
 372  *      Used by Turbo Debugger for Windows
 373  */
 374 FARPROC16 WINAPI SetEventHook16(FARPROC16 lpfnEventHook)
 375 {
 376         FIXME(hook, "(lpfnEventHook=%08x): stub\n", (UINT)lpfnEventHook);
 377         return NULL;
 378 }
 379
 380 /***********************************************************************
 381  *           UserSeeUserDo   (USER.216)
 382  */
 383 DWORD WINAPI UserSeeUserDo16(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
 384 {
 385     switch (wReqType)
 386     {
 387     case USUD_LOCALALLOC:
 388         return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
 389     case USUD_LOCALFREE:
 390         return LOCAL_Free(USER_HeapSel, wParam1);
 391     case USUD_LOCALCOMPACT:
 392         return LOCAL_Compact(USER_HeapSel, wParam3, 0);
 393     case USUD_LOCALHEAP:
 394         return USER_HeapSel;
 395     case USUD_FIRSTCLASS:
 396         FIXME(local, "return a pointer to the first window class.\n");
 397         return (DWORD)-1;
 398     default:
 399         WARN(local, "wReqType %04x (unknown)", wReqType);
 400         return (DWORD)-1;
 401     }
 402 }
 403
 404 /***********************************************************************
 405  *           RegisterLogonProcess   (USER32.434)
 406  */
 407 DWORD WINAPI RegisterLogonProcess(HANDLE hprocess,BOOL x) {
 408         FIXME(win32,"(%d,%d),stub!\n",hprocess,x);
 409         return 1;
 410 }
 411
 412 /***********************************************************************
 413  *           CreateWindowStation32W   (USER32.86)
 414  */
 415 HWINSTA WINAPI CreateWindowStationW(
 416         LPWSTR winstation,DWORD res1,DWORD desiredaccess,
 417         LPSECURITY_ATTRIBUTES lpsa
 418 ) {
 419         FIXME(win32,"(%s,0x%08lx,0x%08lx,%p),stub!\n",debugstr_w(winstation),
 420                 res1,desiredaccess,lpsa
 421         );
 422         return 0xdeadcafe;
 423 }
 424
 425 /***********************************************************************
 426  *           SetProcessWindowStation   (USER32.496)
 427  */
 428 BOOL WINAPI SetProcessWindowStation(HWINSTA hWinSta) {
 429         FIXME(win32,"(%d),stub!\n",hWinSta);
 430         return TRUE;
 431 }
 432
 433 /***********************************************************************
 434  *           SetUserObjectSecurity   (USER32.514)
 435  */
 436 BOOL WINAPI SetUserObjectSecurity(
 437         HANDLE hObj,
 438         /*LPSECURITY_INFORMATION*/LPVOID pSIRequested,
 439         PSECURITY_DESCRIPTOR pSID
 440 ) {
 441         FIXME(win32,"(0x%08x,%p,%p),stub!\n",hObj,pSIRequested,pSID);
 442         return TRUE;
 443 }
 444
 445 /***********************************************************************
 446  *           CreateDesktop32W   (USER32.69)
 447  */
 448 HDESK WINAPI CreateDesktopW(
 449         LPWSTR lpszDesktop,LPWSTR lpszDevice,LPDEVMODEW pDevmode,
 450         DWORD dwFlags,DWORD dwDesiredAccess,LPSECURITY_ATTRIBUTES lpsa
 451 ) {
 452         FIXME(win32,"(%s,%s,%p,0x%08lx,0x%08lx,%p),stub!\n",
 453                 debugstr_w(lpszDesktop),debugstr_w(lpszDevice),pDevmode,
 454                 dwFlags,dwDesiredAccess,lpsa
 455         );
 456         return 0xcafedead;
 457 }
 458
 459 /***********************************************************************
 460  *           SetWindowStationUser   (USER32.521)
 461  */
 462 DWORD WINAPI SetWindowStationUser(DWORD x1,DWORD x2) {
 463         FIXME(win32,"(0x%08lx,0x%08lx),stub!\n",x1,x2);
 464         return 1;
 465 }
 466
 467 /***********************************************************************
 468  *           SetLogonNotifyWindow   (USER32.486)
 469  */
 470 DWORD WINAPI SetLogonNotifyWindow(HWINSTA hwinsta,HWND hwnd) {
 471         FIXME(win32,"(0x%x,%04x),stub!\n",hwinsta,hwnd);
 472         return 1;
 473 }
 474
 475 /***********************************************************************
 476  *           LoadLocalFonts   (USER32.486)
 477  */
 478 VOID WINAPI LoadLocalFonts(VOID) {
 479         /* are loaded. */
 480         return;
 481 }
 482 /***********************************************************************
 483  *           GetUserObjectInformation32A   (USER32.299)
 484  */
 485 BOOL WINAPI GetUserObjectInformationA( HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 486 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 487         return TRUE;
 488 }
 489 /***********************************************************************
 490  *           GetUserObjectInformation32W   (USER32.300)
 491  */
 492 BOOL WINAPI GetUserObjectInformationW( HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 493 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 494         return TRUE;
 495 }
 496 /***********************************************************************
 497  *           GetUserObjectSecurity32   (USER32.300)
 498  */
 499 BOOL WINAPI GetUserObjectSecurity(HANDLE hObj, SECURITY_INFORMATION * pSIRequested,
 500         PSECURITY_DESCRIPTOR pSID, DWORD nLength, LPDWORD lpnLengthNeeded)
 501 {       FIXME(win32,"(0x%x %p %p len=%ld %p),stub!\n",  hObj, pSIRequested, pSID, nLength, lpnLengthNeeded);
 502         return TRUE;
 503 }
 504
 505 /***********************************************************************
 506  *           SetSystemCursor   (USER32.507)
 507  */
 508 BOOL WINAPI SetSystemCursor(HCURSOR hcur, DWORD id)
 509 {       FIXME(win32,"(%08x,%08x),stub!\n",  hcur, id);
 510         return TRUE;
 511 }