git.oblomov.eu Git - wine/blob - 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 "heap.h"
  11 #include "gdi.h"
  12 #include "user.h"
  13 #include "task.h"
  14 #include "queue.h"
  15 #include "win.h"
  16 #include "clipboard.h"
  17 #include "menu.h"
  18 #include "hook.h"
  19 #include "debug.h"
  20 #include "toolhelp.h"
  21 #include "message.h"
  22 #include "module.h"
  23 #include "miscemu.h"
  24 #include "shell.h"
  25 #include "callback.h"
  26 #include "local.h"
  27 #include "class.h"
  28 #include "desktop.h"
  29
  30 /***********************************************************************
  31  *           GetFreeSystemResources   (USER.284)
  32  */
  33 WORD WINAPI GetFreeSystemResources( WORD resType )
  34 {
  35     int userPercent, gdiPercent;
  36
  37     switch(resType)
  38     {
  39     case GFSR_USERRESOURCES:
  40         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  41                                LOCAL_HeapSize( USER_HeapSel );
  42         gdiPercent  = 100;
  43         break;
  44
  45     case GFSR_GDIRESOURCES:
  46         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  47                                LOCAL_HeapSize( GDI_HeapSel );
  48         userPercent = 100;
  49         break;
  50
  51     case GFSR_SYSTEMRESOURCES:
  52         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  53                                LOCAL_HeapSize( USER_HeapSel );
  54         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  55                                LOCAL_HeapSize( GDI_HeapSel );
  56         break;
  57
  58     default:
  59         return 0;
  60     }
  61     return (WORD)MIN( userPercent, gdiPercent );
  62 }
  63
  64
  65 /***********************************************************************
  66  *           SystemHeapInfo   (TOOLHELP.71)
  67  */
  68 BOOL16 WINAPI SystemHeapInfo( SYSHEAPINFO *pHeapInfo )
  69 {
  70     pHeapInfo->wUserFreePercent = GetFreeSystemResources( GFSR_USERRESOURCES );
  71     pHeapInfo->wGDIFreePercent  = GetFreeSystemResources( GFSR_GDIRESOURCES );
  72     pHeapInfo->hUserSegment = USER_HeapSel;
  73     pHeapInfo->hGDISegment  = GDI_HeapSel;
  74     return TRUE;
  75 }
  76
  77
  78 /***********************************************************************
  79  *           TimerCount   (TOOLHELP.80)
  80  */
  81 BOOL16 WINAPI TimerCount( TIMERINFO *pTimerInfo )
  82 {
  83     /* FIXME
  84      * In standard mode, dwmsSinceStart = dwmsThisVM
  85      *
  86      * I tested this, under Windows in enhanced mode, and
  87      * if you never switch VM (ie start/stop DOS) these
  88      * values should be the same as well.
  89      *
  90      * Also, Wine should adjust for the hardware timer
  91      * to reduce the amount of error to ~1ms.
  92      * I can't be bothered, can you?
  93      */
  94     pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
  95     return TRUE;
  96 }
  97
  98 static FARPROC16 __r16loader = NULL;
  99
 100 /**********************************************************************
 101  *           USER_CallDefaultRsrcHandler
 102  *
 103  * Called by the LoadDIBIcon/CursorHandler().
 104  */
 105 HGLOBAL16 USER_CallDefaultRsrcHandler( HGLOBAL16 hMemObj, HMODULE16 hModule, HRSRC16 hRsrc )
 106 {
 107     return Callbacks->CallResourceHandlerProc( __r16loader, hMemObj, hModule, hRsrc );
 108 }
 109
 110 /**********************************************************************
 111  *           USER_InstallRsrcHandler
 112  */
 113 static void USER_InstallRsrcHandler( HINSTANCE16 hInstance )
 114 {
 115     FARPROC16 proc;
 116
 117     /* SetResourceHandler() returns previous function which is set
 118      * when a module's resource table is loaded. */
 119
 120     proc = SetResourceHandler( hInstance, RT_ICON16,
 121                                MODULE_GetWndProcEntry16("LoadDIBIconHandler") );
 122     if (!__r16loader) __r16loader = proc;
 123
 124     proc = SetResourceHandler( hInstance, RT_CURSOR16,
 125                                MODULE_GetWndProcEntry16("LoadDIBCursorHandler") );
 126     if (!__r16loader) __r16loader = proc;
 127 }
 128
 129 /**********************************************************************
 130  *           InitApp   (USER.5)
 131  */
 132 INT16 WINAPI InitApp( HINSTANCE16 hInstance )
 133 {
 134       /* InitTask() calls LibMain()'s of implicitly loaded DLLs
 135        * prior to InitApp() so there is no clean way to do
 136        * SetTaskSignalHandler() in time. So, broken Windows bypasses
 137        * a pTask->userhandler on startup and simply calls a global
 138        * function pointer to the default USER signal handler.
 139        */
 140
 141     USER_InstallRsrcHandler( hInstance );
 142
 143     /* Hack: restore the divide-by-zero handler */
 144     /* FIXME: should set a USER-specific handler that displays a msg box */
 145     INT_SetPMHandler( 0, INT_GetPMHandler( 0xff ) );
 146
 147     /* Create task message queue */
 148     if ( !GetFastQueue() ) return 0;
 149
 150     return 1;
 151 }
 152
 153 /**********************************************************************
 154  *           USER_ModuleUnload
 155  */
 156 static void USER_ModuleUnload( HMODULE16 hModule )
 157 {
 158     HOOK_FreeModuleHooks( hModule );
 159     CLASS_FreeModuleClasses( hModule );
 160 }
 161
 162 /**********************************************************************
 163  *           USER_QueueCleanup
 164  */
 165 void USER_QueueCleanup( HQUEUE16 hQueue )
 166 {
 167     if ( hQueue )
 168     {
 169         WND* desktop = WIN_GetDesktop();
 170
 171         /* Patch resident popup menu window */
 172         MENU_PatchResidentPopup( hQueue, NULL );
 173
 174         TIMER_RemoveQueueTimers( hQueue );
 175
 176         HOOK_FreeQueueHooks( hQueue );
 177
 178         QUEUE_SetExitingQueue( hQueue );
 179         WIN_ResetQueueWindows( desktop, hQueue, (HQUEUE16)0);
 180         CLIPBOARD_ResetLock( hQueue, 0 );
 181         QUEUE_SetExitingQueue( 0 );
 182
 183         /* Free the message queue */
 184         QUEUE_DeleteMsgQueue( hQueue );
 185     }
 186 }
 187
 188 /**********************************************************************
 189  *           USER_AppExit
 190  */
 191 static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
 192 {
 193     /* FIXME: empty clipboard if needed, maybe destroy menus (Windows
 194      *        only complains about them but does nothing);
 195      */
 196
 197     WND* desktop = WIN_GetDesktop();
 198
 199     /* Patch desktop window */
 200     if( desktop->hmemTaskQ == hQueue )
 201         desktop->hmemTaskQ = GetTaskQueue(TASK_GetNextTask(hTask));
 202
 203     USER_QueueCleanup(hQueue);
 204
 205     /* ModuleUnload() in "Internals" */
 206
 207     hInstance = GetExePtr( hInstance );
 208     if( GetModuleUsage( hInstance ) <= 1 )
 209         USER_ModuleUnload( hInstance );
 210 }
 211
 212
 213 /***********************************************************************
 214  *           USER_ExitWindows
 215  *
 216  * Clean-up everything and exit the Wine process.
 217  * This is the back-end of ExitWindows(), called when all windows
 218  * have agreed to be terminated.
 219  */
 220 void USER_ExitWindows(void)
 221 {
 222     /* Do the clean-up stuff */
 223
 224     WriteOutProfiles();
 225     SHELL_SaveRegistry();
 226
 227     exit(0);
 228 }
 229
 230
 231 /***********************************************************************
 232  *           USER_SignalProc (USER.314)
 233  */
 234 void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
 235                              UINT16 uExitFn, HINSTANCE16 hInstance,
 236                              HQUEUE16 hQueue )
 237 {
 238     switch( uCode )
 239     {
 240         case USIG_GPF:
 241         case USIG_TERMINATION:
 242              USER_AppExit( hTaskOrModule, hInstance, hQueue ); /* task */
 243              break;
 244
 245         case USIG_DLL_LOAD:
 246              USER_InstallRsrcHandler( hTaskOrModule ); /* module */
 247              break;
 248
 249         case USIG_DLL_UNLOAD:
 250              USER_ModuleUnload( hTaskOrModule ); /* module */
 251              break;
 252
 253         default:
 254              FIXME(msg,"Unimplemented USER signal: %i\n", (int)uCode );
 255     }
 256 }
 257
 258
 259 /***********************************************************************
 260  *           ExitWindows16   (USER.7)
 261  */
 262 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
 263 {
 264     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 265 }
 266
 267
 268 /***********************************************************************
 269  *           ExitWindowsExec16   (USER.246)
 270  */
 271 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
 272 {
 273     TRACE(system, "Should run the following in DOS-mode: \"%s %s\"\n",
 274         lpszExe, lpszParams);
 275     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 276 }
 277
 278
 279 /***********************************************************************
 280  *           ExitWindowsEx   (USER32.196)
 281  */
 282 BOOL32 WINAPI ExitWindowsEx( UINT32 flags, DWORD reserved )
 283 {
 284     int i;
 285     BOOL32 result;
 286     WND **list, **ppWnd;
 287
 288     /* We have to build a list of all windows first, as in EnumWindows */
 289
 290     if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL ))) return FALSE;
 291
 292     /* Send a WM_QUERYENDSESSION message to every window */
 293
 294     for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
 295     {
 296         /* Make sure that the window still exists */
 297         if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
 298         if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
 299             break;
 300     }
 301     result = !(*ppWnd);
 302
 303     /* Now notify all windows that got a WM_QUERYENDSESSION of the result */
 304
 305     for (ppWnd = list; i > 0; i--, ppWnd++)
 306     {
 307         if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
 308         SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
 309     }
 310     HeapFree( SystemHeap, 0, list );
 311
 312     if (result) USER_ExitWindows();
 313     return FALSE;
 314 }
 315
 316
 317 /***********************************************************************
 318  *           ChangeDisplaySettingA    (USER32.589)
 319  */
 320 LONG WINAPI ChangeDisplaySettings32A( LPDEVMODE32A devmode, DWORD flags )
 321 {
 322   FIXME(system, ": stub\n");
 323   if (devmode==NULL)
 324     FIXME(system,"   devmode=NULL (return to default mode)\n");
 325   else if ( (devmode->dmBitsPerPel != DESKTOP_GetScreenDepth())
 326             || (devmode->dmPelsHeight != DESKTOP_GetScreenHeight())
 327             || (devmode->dmPelsWidth != DESKTOP_GetScreenWidth()) )
 328
 329   {
 330
 331     if (devmode->dmFields & DM_BITSPERPEL)
 332       FIXME(system,"   bpp=%ld\n",devmode->dmBitsPerPel);
 333     if (devmode->dmFields & DM_PELSWIDTH)
 334       FIXME(system,"   width=%ld\n",devmode->dmPelsWidth);
 335     if (devmode->dmFields & DM_PELSHEIGHT)
 336       FIXME(system,"   height=%ld\n",devmode->dmPelsHeight);
 337     FIXME(system," (Putting X in this mode beforehand might help)\n");
 338     /* we don't, but the program ... does not need to know */
 339     return DISP_CHANGE_SUCCESSFUL;
 340   }
 341   return DISP_CHANGE_SUCCESSFUL;
 342 }
 343
 344 /***********************************************************************
 345  *           EnumDisplaySettingsA   (USER32.592)
 346  * FIXME: Currently uses static list of modes.
 347  *
 348  * RETURNS
 349  *      TRUE if nth setting exists found (described in the LPDEVMODE32A struct)
 350  *      FALSE if we do not have the nth setting
 351  */
 352 BOOL32 WINAPI EnumDisplaySettings32A(
 353         LPCSTR name,            /* [in] huh? */
 354         DWORD n,                /* [in] nth entry in display settings list*/
 355         LPDEVMODE32A devmode    /* [out] devmode for that setting */
 356 ) {
 357 #define NRMODES 5
 358 #define NRDEPTHS 4
 359         struct {
 360                 int w,h;
 361         } modes[NRMODES]={{512,384},{640,400},{640,480},{800,600},{1024,768}};
 362         int depths[4] = {8,16,24,32};
 363
 364         TRACE(system,"(%s,%ld,%p)\n",name,n,devmode);
 365         if (n==0) {
 366                 devmode->dmBitsPerPel = DESKTOP_GetScreenDepth();
 367                 devmode->dmPelsHeight = DESKTOP_GetScreenHeight();
 368                 devmode->dmPelsWidth = DESKTOP_GetScreenWidth();
 369                 return TRUE;
 370         }
 371         if ((n-1)<NRMODES*NRDEPTHS) {
 372                 devmode->dmBitsPerPel   = depths[(n-1)/NRMODES];
 373                 devmode->dmPelsHeight   = modes[(n-1)%NRMODES].h;
 374                 devmode->dmPelsWidth    = modes[(n-1)%NRMODES].w;
 375                 return TRUE;
 376         }
 377         return FALSE;
 378 }
 379
 380 /***********************************************************************
 381  *           EnumDisplaySettingsW   (USER32.593)
 382  */
 383 BOOL32 WINAPI EnumDisplaySettings32W(LPCWSTR name,DWORD n,LPDEVMODE32W devmode) {
 384         LPSTR nameA = HEAP_strdupWtoA(GetProcessHeap(),0,name);
 385         DEVMODE32A      devmodeA;
 386         BOOL32 ret = EnumDisplaySettings32A(nameA,n,&devmodeA);
 387
 388         if (ret) {
 389                 devmode->dmBitsPerPel   = devmodeA.dmBitsPerPel;
 390                 devmode->dmPelsHeight   = devmodeA.dmPelsHeight;
 391                 devmode->dmPelsWidth    = devmodeA.dmPelsWidth;
 392                 /* FIXME: convert rest too, if they are ever returned */
 393         }
 394         HeapFree(GetProcessHeap(),0,nameA);
 395         return ret;
 396 }
 397
 398 /***********************************************************************
 399  *           SetEventHook   (USER.321)
 400  *
 401  *      Used by Turbo Debugger for Windows
 402  */
 403 FARPROC16 WINAPI SetEventHook(FARPROC16 lpfnEventHook)
 404 {
 405         FIXME(hook, "(lpfnEventHook=%08x): stub\n", (UINT32)lpfnEventHook);
 406         return NULL;
 407 }
 408
 409 /***********************************************************************
 410  *           UserSeeUserDo   (USER.216)
 411  */
 412 DWORD WINAPI UserSeeUserDo(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
 413 {
 414     switch (wReqType)
 415     {
 416     case USUD_LOCALALLOC:
 417         return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
 418     case USUD_LOCALFREE:
 419         return LOCAL_Free(USER_HeapSel, wParam1);
 420     case USUD_LOCALCOMPACT:
 421         return LOCAL_Compact(USER_HeapSel, wParam3, 0);
 422     case USUD_LOCALHEAP:
 423         return USER_HeapSel;
 424     case USUD_FIRSTCLASS:
 425         FIXME(local, "return a pointer to the first window class.\n");
 426         return (DWORD)-1;
 427     default:
 428         WARN(local, "wReqType %04x (unknown)", wReqType);
 429         return (DWORD)-1;
 430     }
 431 }
 432
 433 /***********************************************************************
 434  *           RegisterLogonProcess   (USER32.434)
 435  */
 436 DWORD WINAPI RegisterLogonProcess(HANDLE32 hprocess,BOOL32 x) {
 437         FIXME(win32,"(%d,%d),stub!\n",hprocess,x);
 438         return 1;
 439 }
 440
 441 /***********************************************************************
 442  *           CreateWindowStation32W   (USER32.86)
 443  */
 444 HWINSTA32 WINAPI CreateWindowStation32W(
 445         LPWSTR winstation,DWORD res1,DWORD desiredaccess,
 446         LPSECURITY_ATTRIBUTES lpsa
 447 ) {
 448         FIXME(win32,"(%s,0x%08lx,0x%08lx,%p),stub!\n",debugstr_w(winstation),
 449                 res1,desiredaccess,lpsa
 450         );
 451         return 0xdeadcafe;
 452 }
 453
 454 /***********************************************************************
 455  *           SetProcessWindowStation   (USER32.496)
 456  */
 457 BOOL32 WINAPI SetProcessWindowStation(HWINSTA32 hWinSta) {
 458         FIXME(win32,"(%d),stub!\n",hWinSta);
 459         return TRUE;
 460 }
 461
 462 /***********************************************************************
 463  *           SetUserObjectSecurity   (USER32.514)
 464  */
 465 BOOL32 WINAPI SetUserObjectSecurity(
 466         HANDLE32 hObj,
 467         /*LPSECURITY_INFORMATION*/LPVOID pSIRequested,
 468         PSECURITY_DESCRIPTOR pSID
 469 ) {
 470         FIXME(win32,"(0x%08x,%p,%p),stub!\n",hObj,pSIRequested,pSID);
 471         return TRUE;
 472 }
 473
 474 /***********************************************************************
 475  *           CreateDesktop32W   (USER32.69)
 476  */
 477 HDESK32 WINAPI CreateDesktop32W(
 478         LPWSTR lpszDesktop,LPWSTR lpszDevice,LPDEVMODE32W pDevmode,
 479         DWORD dwFlags,DWORD dwDesiredAccess,LPSECURITY_ATTRIBUTES lpsa
 480 ) {
 481         FIXME(win32,"(%s,%s,%p,0x%08lx,0x%08lx,%p),stub!\n",
 482                 debugstr_w(lpszDesktop),debugstr_w(lpszDevice),pDevmode,
 483                 dwFlags,dwDesiredAccess,lpsa
 484         );
 485         return 0xcafedead;
 486 }
 487
 488 /***********************************************************************
 489  *           SetWindowStationUser   (USER32.521)
 490  */
 491 DWORD WINAPI SetWindowStationUser(DWORD x1,DWORD x2) {
 492         FIXME(win32,"(0x%08lx,0x%08lx),stub!\n",x1,x2);
 493         return 1;
 494 }
 495
 496 /***********************************************************************
 497  *           SetLogonNotifyWindow   (USER32.486)
 498  */
 499 DWORD WINAPI SetLogonNotifyWindow(HWINSTA32 hwinsta,HWND32 hwnd) {
 500         FIXME(win32,"(0x%x,%04x),stub!\n",hwinsta,hwnd);
 501         return 1;
 502 }
 503
 504 /***********************************************************************
 505  *           LoadLocalFonts   (USER32.486)
 506  */
 507 VOID WINAPI LoadLocalFonts(VOID) {
 508         /* are loaded. */
 509         return;
 510 }
 511 /***********************************************************************
 512  *           GetUserObjectInformation32A   (USER32.299)
 513  */
 514 BOOL32 WINAPI GetUserObjectInformation32A( HANDLE32 hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 515 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 516         return TRUE;
 517 }
 518 /***********************************************************************
 519  *           GetUserObjectInformation32W   (USER32.300)
 520  */
 521 BOOL32 WINAPI GetUserObjectInformation32W( HANDLE32 hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 522 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 523         return TRUE;
 524 }
 525 /***********************************************************************
 526  *           GetUserObjectSecurity32   (USER32.300)
 527  */
 528 BOOL32 WINAPI GetUserObjectSecurity32(HANDLE32 hObj, SECURITY_INFORMATION * pSIRequested,
 529         PSECURITY_DESCRIPTOR pSID, DWORD nLength, LPDWORD lpnLengthNeeded)
 530 {       FIXME(win32,"(0x%x %p %p len=%ld %p),stub!\n",  hObj, pSIRequested, pSID, nLength, lpnLengthNeeded);
 531         return TRUE;
 532 }