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 "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 "cursoricon.h"
  20 #include "hook.h"
  21 #include "debug.h"
  22 #include "toolhelp.h"
  23 #include "message.h"
  24 #include "module.h"
  25 #include "miscemu.h"
  26 #include "shell.h"
  27 #include "callback.h"
  28 #include "local.h"
  29 #include "class.h"
  30 #include "desktop.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 }
 150
 151 /**********************************************************************
 152  *           USER_AppExit
 153  */
 154 static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
 155 {
 156     /* FIXME: empty clipboard if needed, maybe destroy menus (Windows
 157      *        only complains about them but does nothing);
 158      */
 159
 160     WND* desktop = WIN_GetDesktop();
 161
 162     /* Patch desktop window */
 163     if( desktop->hmemTaskQ == hQueue )
 164         desktop->hmemTaskQ = GetTaskQueue16(TASK_GetNextTask(hTask));
 165
 166     USER_QueueCleanup(hQueue);
 167
 168     /* ModuleUnload() in "Internals" */
 169
 170     hInstance = GetExePtr( hInstance );
 171     if( GetModuleUsage16( hInstance ) <= 1 )
 172         USER_ModuleUnload( hInstance );
 173 }
 174
 175
 176 /***********************************************************************
 177  *           USER_ExitWindows
 178  *
 179  * Clean-up everything and exit the Wine process.
 180  * This is the back-end of ExitWindows(), called when all windows
 181  * have agreed to be terminated.
 182  */
 183 void USER_ExitWindows(void)
 184 {
 185     /* Do the clean-up stuff */
 186
 187     WriteOutProfiles16();
 188     SHELL_SaveRegistry();
 189
 190     exit(0);
 191 }
 192
 193
 194 /***********************************************************************
 195  *           USER_SignalProc (USER.314)
 196  */
 197 void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
 198                              UINT16 uExitFn, HINSTANCE16 hInstance,
 199                              HQUEUE16 hQueue )
 200 {
 201     switch( uCode )
 202     {
 203         case USIG_GPF:
 204         case USIG_TERMINATION:
 205              USER_AppExit( hTaskOrModule, hInstance, hQueue ); /* task */
 206              break;
 207
 208         case USIG_DLL_LOAD:
 209              break;
 210
 211         case USIG_DLL_UNLOAD:
 212              USER_ModuleUnload( hTaskOrModule ); /* module */
 213              break;
 214
 215         default:
 216              FIXME(msg,"Unimplemented USER signal: %i\n", (int)uCode );
 217     }
 218 }
 219
 220
 221 /***********************************************************************
 222  *           ExitWindows16   (USER.7)
 223  */
 224 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
 225 {
 226     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 227 }
 228
 229
 230 /***********************************************************************
 231  *           ExitWindowsExec16   (USER.246)
 232  */
 233 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
 234 {
 235     TRACE(system, "Should run the following in DOS-mode: \"%s %s\"\n",
 236         lpszExe, lpszParams);
 237     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 238 }
 239
 240
 241 /***********************************************************************
 242  *           ExitWindowsEx   (USER32.196)
 243  */
 244 BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reserved )
 245 {
 246     int i;
 247     BOOL result;
 248     WND **list, **ppWnd;
 249
 250     /* We have to build a list of all windows first, as in EnumWindows */
 251
 252     if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL ))) return FALSE;
 253
 254     /* Send a WM_QUERYENDSESSION message to every window */
 255
 256     for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
 257     {
 258         /* Make sure that the window still exists */
 259         if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
 260         if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
 261             break;
 262     }
 263     result = !(*ppWnd);
 264
 265     /* Now notify all windows that got a WM_QUERYENDSESSION of the result */
 266
 267     for (ppWnd = list; i > 0; i--, ppWnd++)
 268     {
 269         if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
 270         SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
 271     }
 272     HeapFree( SystemHeap, 0, list );
 273
 274     if (result) USER_ExitWindows();
 275     return FALSE;
 276 }
 277
 278
 279 /***********************************************************************
 280  *           ChangeDisplaySettingA    (USER32.589)
 281  */
 282 LONG WINAPI ChangeDisplaySettingsA( LPDEVMODEA devmode, DWORD flags )
 283 {
 284   FIXME(system, ": stub\n");
 285   if (devmode==NULL)
 286     FIXME(system,"   devmode=NULL (return to default mode)\n");
 287   else if ( (devmode->dmBitsPerPel != DESKTOP_GetScreenDepth())
 288             || (devmode->dmPelsHeight != DESKTOP_GetScreenHeight())
 289             || (devmode->dmPelsWidth != DESKTOP_GetScreenWidth()) )
 290
 291   {
 292
 293     if (devmode->dmFields & DM_BITSPERPEL)
 294       FIXME(system,"   bpp=%ld\n",devmode->dmBitsPerPel);
 295     if (devmode->dmFields & DM_PELSWIDTH)
 296       FIXME(system,"   width=%ld\n",devmode->dmPelsWidth);
 297     if (devmode->dmFields & DM_PELSHEIGHT)
 298       FIXME(system,"   height=%ld\n",devmode->dmPelsHeight);
 299     FIXME(system," (Putting X in this mode beforehand might help)\n");
 300     /* we don't, but the program ... does not need to know */
 301     return DISP_CHANGE_SUCCESSFUL;
 302   }
 303   return DISP_CHANGE_SUCCESSFUL;
 304 }
 305
 306 /***********************************************************************
 307  *           EnumDisplaySettingsA   (USER32.592)
 308  * FIXME: Currently uses static list of modes.
 309  *
 310  * RETURNS
 311  *      TRUE if nth setting exists found (described in the LPDEVMODE32A struct)
 312  *      FALSE if we do not have the nth setting
 313  */
 314 BOOL WINAPI EnumDisplaySettingsA(
 315         LPCSTR name,            /* [in] huh? */
 316         DWORD n,                /* [in] nth entry in display settings list*/
 317         LPDEVMODEA devmode      /* [out] devmode for that setting */
 318 ) {
 319 #define NRMODES 5
 320 #define NRDEPTHS 4
 321         struct {
 322                 int w,h;
 323         } modes[NRMODES]={{512,384},{640,400},{640,480},{800,600},{1024,768}};
 324         int depths[4] = {8,16,24,32};
 325
 326         TRACE(system,"(%s,%ld,%p)\n",name,n,devmode);
 327         if (n==0) {
 328                 devmode->dmBitsPerPel = DESKTOP_GetScreenDepth();
 329                 devmode->dmPelsHeight = DESKTOP_GetScreenHeight();
 330                 devmode->dmPelsWidth = DESKTOP_GetScreenWidth();
 331                 return TRUE;
 332         }
 333         if ((n-1)<NRMODES*NRDEPTHS) {
 334                 devmode->dmBitsPerPel   = depths[(n-1)/NRMODES];
 335                 devmode->dmPelsHeight   = modes[(n-1)%NRMODES].h;
 336                 devmode->dmPelsWidth    = modes[(n-1)%NRMODES].w;
 337                 return TRUE;
 338         }
 339         return FALSE;
 340 }
 341
 342 /***********************************************************************
 343  *           EnumDisplaySettingsW   (USER32.593)
 344  */
 345 BOOL WINAPI EnumDisplaySettingsW(LPCWSTR name,DWORD n,LPDEVMODEW devmode) {
 346         LPSTR nameA = HEAP_strdupWtoA(GetProcessHeap(),0,name);
 347         DEVMODEA        devmodeA;
 348         BOOL ret = EnumDisplaySettingsA(nameA,n,&devmodeA);
 349
 350         if (ret) {
 351                 devmode->dmBitsPerPel   = devmodeA.dmBitsPerPel;
 352                 devmode->dmPelsHeight   = devmodeA.dmPelsHeight;
 353                 devmode->dmPelsWidth    = devmodeA.dmPelsWidth;
 354                 /* FIXME: convert rest too, if they are ever returned */
 355         }
 356         HeapFree(GetProcessHeap(),0,nameA);
 357         return ret;
 358 }
 359
 360 /***********************************************************************
 361  *           SetEventHook   (USER.321)
 362  *
 363  *      Used by Turbo Debugger for Windows
 364  */
 365 FARPROC16 WINAPI SetEventHook16(FARPROC16 lpfnEventHook)
 366 {
 367         FIXME(hook, "(lpfnEventHook=%08x): stub\n", (UINT)lpfnEventHook);
 368         return NULL;
 369 }
 370
 371 /***********************************************************************
 372  *           UserSeeUserDo   (USER.216)
 373  */
 374 DWORD WINAPI UserSeeUserDo16(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
 375 {
 376     switch (wReqType)
 377     {
 378     case USUD_LOCALALLOC:
 379         return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
 380     case USUD_LOCALFREE:
 381         return LOCAL_Free(USER_HeapSel, wParam1);
 382     case USUD_LOCALCOMPACT:
 383         return LOCAL_Compact(USER_HeapSel, wParam3, 0);
 384     case USUD_LOCALHEAP:
 385         return USER_HeapSel;
 386     case USUD_FIRSTCLASS:
 387         FIXME(local, "return a pointer to the first window class.\n");
 388         return (DWORD)-1;
 389     default:
 390         WARN(local, "wReqType %04x (unknown)", wReqType);
 391         return (DWORD)-1;
 392     }
 393 }
 394
 395 /***********************************************************************
 396  *           RegisterLogonProcess   (USER32.434)
 397  */
 398 DWORD WINAPI RegisterLogonProcess(HANDLE hprocess,BOOL x) {
 399         FIXME(win32,"(%d,%d),stub!\n",hprocess,x);
 400         return 1;
 401 }
 402
 403 /***********************************************************************
 404  *           CreateWindowStation32W   (USER32.86)
 405  */
 406 HWINSTA WINAPI CreateWindowStationW(
 407         LPWSTR winstation,DWORD res1,DWORD desiredaccess,
 408         LPSECURITY_ATTRIBUTES lpsa
 409 ) {
 410         FIXME(win32,"(%s,0x%08lx,0x%08lx,%p),stub!\n",debugstr_w(winstation),
 411                 res1,desiredaccess,lpsa
 412         );
 413         return 0xdeadcafe;
 414 }
 415
 416 /***********************************************************************
 417  *           SetProcessWindowStation   (USER32.496)
 418  */
 419 BOOL WINAPI SetProcessWindowStation(HWINSTA hWinSta) {
 420         FIXME(win32,"(%d),stub!\n",hWinSta);
 421         return TRUE;
 422 }
 423
 424 /***********************************************************************
 425  *           SetUserObjectSecurity   (USER32.514)
 426  */
 427 BOOL WINAPI SetUserObjectSecurity(
 428         HANDLE hObj,
 429         /*LPSECURITY_INFORMATION*/LPVOID pSIRequested,
 430         PSECURITY_DESCRIPTOR pSID
 431 ) {
 432         FIXME(win32,"(0x%08x,%p,%p),stub!\n",hObj,pSIRequested,pSID);
 433         return TRUE;
 434 }
 435
 436 /***********************************************************************
 437  *           CreateDesktop32W   (USER32.69)
 438  */
 439 HDESK WINAPI CreateDesktopW(
 440         LPWSTR lpszDesktop,LPWSTR lpszDevice,LPDEVMODEW pDevmode,
 441         DWORD dwFlags,DWORD dwDesiredAccess,LPSECURITY_ATTRIBUTES lpsa
 442 ) {
 443         FIXME(win32,"(%s,%s,%p,0x%08lx,0x%08lx,%p),stub!\n",
 444                 debugstr_w(lpszDesktop),debugstr_w(lpszDevice),pDevmode,
 445                 dwFlags,dwDesiredAccess,lpsa
 446         );
 447         return 0xcafedead;
 448 }
 449
 450 /***********************************************************************
 451  *           SetWindowStationUser   (USER32.521)
 452  */
 453 DWORD WINAPI SetWindowStationUser(DWORD x1,DWORD x2) {
 454         FIXME(win32,"(0x%08lx,0x%08lx),stub!\n",x1,x2);
 455         return 1;
 456 }
 457
 458 /***********************************************************************
 459  *           SetLogonNotifyWindow   (USER32.486)
 460  */
 461 DWORD WINAPI SetLogonNotifyWindow(HWINSTA hwinsta,HWND hwnd) {
 462         FIXME(win32,"(0x%x,%04x),stub!\n",hwinsta,hwnd);
 463         return 1;
 464 }
 465
 466 /***********************************************************************
 467  *           LoadLocalFonts   (USER32.486)
 468  */
 469 VOID WINAPI LoadLocalFonts(VOID) {
 470         /* are loaded. */
 471         return;
 472 }
 473 /***********************************************************************
 474  *           GetUserObjectInformation32A   (USER32.299)
 475  */
 476 BOOL WINAPI GetUserObjectInformationA( HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 477 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 478         return TRUE;
 479 }
 480 /***********************************************************************
 481  *           GetUserObjectInformation32W   (USER32.300)
 482  */
 483 BOOL WINAPI GetUserObjectInformationW( HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 484 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 485         return TRUE;
 486 }
 487 /***********************************************************************
 488  *           GetUserObjectSecurity32   (USER32.300)
 489  */
 490 BOOL WINAPI GetUserObjectSecurity(HANDLE hObj, SECURITY_INFORMATION * pSIRequested,
 491         PSECURITY_DESCRIPTOR pSID, DWORD nLength, LPDWORD lpnLengthNeeded)
 492 {       FIXME(win32,"(0x%x %p %p len=%ld %p),stub!\n",  hObj, pSIRequested, pSID, nLength, lpnLengthNeeded);
 493         return TRUE;
 494 }