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 "resource.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 "hook.h"
  20 #include "debug.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 "x11drv.h"
  28
  29 /***********************************************************************
  30  *           GetFreeSystemResources   (USER.284)
  31  */
  32 WORD WINAPI GetFreeSystemResources( WORD resType )
  33 {
  34     int userPercent, gdiPercent;
  35
  36     switch(resType)
  37     {
  38     case GFSR_USERRESOURCES:
  39         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  40                                LOCAL_HeapSize( USER_HeapSel );
  41         gdiPercent  = 100;
  42         break;
  43
  44     case GFSR_GDIRESOURCES:
  45         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  46                                LOCAL_HeapSize( GDI_HeapSel );
  47         userPercent = 100;
  48         break;
  49
  50     case GFSR_SYSTEMRESOURCES:
  51         userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
  52                                LOCAL_HeapSize( USER_HeapSel );
  53         gdiPercent  = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
  54                                LOCAL_HeapSize( GDI_HeapSel );
  55         break;
  56
  57     default:
  58         return 0;
  59     }
  60     return (WORD)MIN( userPercent, gdiPercent );
  61 }
  62
  63
  64 /***********************************************************************
  65  *           SystemHeapInfo   (TOOLHELP.71)
  66  */
  67 BOOL16 WINAPI SystemHeapInfo( SYSHEAPINFO *pHeapInfo )
  68 {
  69     pHeapInfo->wUserFreePercent = GetFreeSystemResources( GFSR_USERRESOURCES );
  70     pHeapInfo->wGDIFreePercent  = GetFreeSystemResources( GFSR_GDIRESOURCES );
  71     pHeapInfo->hUserSegment = USER_HeapSel;
  72     pHeapInfo->hGDISegment  = GDI_HeapSel;
  73     return TRUE;
  74 }
  75
  76
  77 /***********************************************************************
  78  *           TimerCount   (TOOLHELP.80)
  79  */
  80 BOOL16 WINAPI TimerCount( TIMERINFO *pTimerInfo )
  81 {
  82     /* FIXME
  83      * In standard mode, dwmsSinceStart = dwmsThisVM
  84      *
  85      * I tested this, under Windows in enhanced mode, and
  86      * if you never switch VM (ie start/stop DOS) these
  87      * values should be the same as well.
  88      *
  89      * Also, Wine should adjust for the hardware timer
  90      * to reduce the amount of error to ~1ms.
  91      * I can't be bothered, can you?
  92      */
  93     pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
  94     return TRUE;
  95 }
  96
  97 static FARPROC16 __r16loader = NULL;
  98
  99 /**********************************************************************
 100  *           USER_CallDefaultRsrcHandler
 101  *
 102  * Called by the LoadDIBIcon/CursorHandler().
 103  */
 104 HGLOBAL16 USER_CallDefaultRsrcHandler( HGLOBAL16 hMemObj, HMODULE16 hModule, HRSRC16 hRsrc )
 105 {
 106     return Callbacks->CallResourceHandlerProc( __r16loader, hMemObj, hModule, hRsrc );
 107 }
 108
 109 /**********************************************************************
 110  *           USER_InstallRsrcHandler
 111  */
 112 static void USER_InstallRsrcHandler( HINSTANCE16 hInstance )
 113 {
 114     FARPROC16 proc;
 115
 116     /* SetResourceHandler() returns previous function which is set
 117      * when a module's resource table is loaded. */
 118
 119     proc = SetResourceHandler( hInstance, RT_ICON16,
 120                                MODULE_GetWndProcEntry16("LoadDIBIconHandler") );
 121     if (!__r16loader) __r16loader = proc;
 122
 123     proc = SetResourceHandler( hInstance, RT_CURSOR16,
 124                                MODULE_GetWndProcEntry16("LoadDIBCursorHandler") );
 125     if (!__r16loader) __r16loader = proc;
 126 }
 127
 128 /**********************************************************************
 129  *           InitApp   (USER.5)
 130  */
 131 INT16 WINAPI InitApp( HINSTANCE16 hInstance )
 132 {
 133       /* InitTask() calls LibMain()'s of implicitly loaded DLLs
 134        * prior to InitApp() so there is no clean way to do
 135        * SetTaskSignalHandler() in time. So, broken Windows bypasses
 136        * a pTask->userhandler on startup and simply calls a global
 137        * function pointer to the default USER signal handler.
 138        */
 139
 140     USER_InstallRsrcHandler( hInstance );
 141
 142     /* Hack: restore the divide-by-zero handler */
 143     /* FIXME: should set a USER-specific handler that displays a msg box */
 144     INT_SetPMHandler( 0, INT_GetPMHandler( 0xff ) );
 145
 146     /* Create task message queue */
 147     if ( !GetFastQueue() ) return 0;
 148
 149     return 1;
 150 }
 151
 152 /**********************************************************************
 153  *           USER_ModuleUnload
 154  */
 155 static void USER_ModuleUnload( HMODULE16 hModule )
 156 {
 157     HOOK_FreeModuleHooks( hModule );
 158     CLASS_FreeModuleClasses( hModule );
 159 }
 160
 161 /**********************************************************************
 162  *           USER_AppExit
 163  */
 164 static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
 165 {
 166     if ( hQueue )
 167     {
 168         /* FIXME: empty clipboard if needed, maybe destroy menus (Windows
 169          *            only complains about them but does nothing);
 170          */
 171
 172         WND* desktop = WIN_GetDesktop();
 173
 174         /* Patch desktop window */
 175         if( desktop->hmemTaskQ == hQueue )
 176         desktop->hmemTaskQ = GetTaskQueue(TASK_GetNextTask(hTask));
 177
 178         /* Patch resident popup menu window */
 179         MENU_PatchResidentPopup( hQueue, NULL );
 180
 181         TIMER_RemoveQueueTimers( hQueue );
 182
 183         QUEUE_FlushMessages( hQueue );
 184         HOOK_FreeQueueHooks( hQueue );
 185
 186         QUEUE_SetExitingQueue( hQueue );
 187         WIN_ResetQueueWindows( desktop, hQueue, (HQUEUE16)0);
 188         CLIPBOARD_ResetLock( hQueue, 0 );
 189         QUEUE_SetExitingQueue( 0 );
 190
 191         /* Free the message queue */
 192         QUEUE_DeleteMsgQueue( hQueue );
 193     }
 194
 195     /* ModuleUnload() in "Internals" */
 196
 197     hInstance = GetExePtr( hInstance );
 198     if( GetModuleUsage( hInstance ) <= 1 )
 199         USER_ModuleUnload( hInstance );
 200 }
 201
 202
 203 /***********************************************************************
 204  *           USER_ExitWindows
 205  *
 206  * Clean-up everything and exit the Wine process.
 207  * This is the back-end of ExitWindows(), called when all windows
 208  * have agreed to be terminated.
 209  */
 210 void USER_ExitWindows(void)
 211 {
 212     /* Do the clean-up stuff */
 213
 214     WriteOutProfiles();
 215     SHELL_SaveRegistry();
 216
 217     exit(0);
 218 }
 219
 220
 221 /***********************************************************************
 222  *           USER_SignalProc (USER.314)
 223  */
 224 void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
 225                              UINT16 uExitFn, HINSTANCE16 hInstance,
 226                              HQUEUE16 hQueue )
 227 {
 228     switch( uCode )
 229     {
 230         case USIG_GPF:
 231         case USIG_TERMINATION:
 232              USER_AppExit( hTaskOrModule, hInstance, hQueue ); /* task */
 233              break;
 234
 235         case USIG_DLL_LOAD:
 236              USER_InstallRsrcHandler( hTaskOrModule ); /* module */
 237              break;
 238
 239         case USIG_DLL_UNLOAD:
 240              USER_ModuleUnload( hTaskOrModule ); /* module */
 241              break;
 242
 243         default:
 244              FIXME(msg,"Unimplemented USER signal: %i\n", (int)uCode );
 245     }
 246 }
 247
 248
 249 /***********************************************************************
 250  *           ExitWindows16   (USER.7)
 251  */
 252 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
 253 {
 254     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 255 }
 256
 257
 258 /***********************************************************************
 259  *           ExitWindowsExec16   (USER.246)
 260  */
 261 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
 262 {
 263     TRACE(system, "Should run the following in DOS-mode: \"%s %s\"\n",
 264         lpszExe, lpszParams);
 265     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 266 }
 267
 268
 269 /***********************************************************************
 270  *           ExitWindowsEx   (USER32.196)
 271  */
 272 BOOL32 WINAPI ExitWindowsEx( UINT32 flags, DWORD reserved )
 273 {
 274     int i;
 275     BOOL32 result;
 276     WND **list, **ppWnd;
 277
 278     /* We have to build a list of all windows first, as in EnumWindows */
 279
 280     if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL ))) return FALSE;
 281
 282     /* Send a WM_QUERYENDSESSION message to every window */
 283
 284     for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
 285     {
 286         /* Make sure that the window still exists */
 287         if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
 288         if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
 289             break;
 290     }
 291     result = !(*ppWnd);
 292
 293     /* Now notify all windows that got a WM_QUERYENDSESSION of the result */
 294
 295     for (ppWnd = list; i > 0; i--, ppWnd++)
 296     {
 297         if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
 298         SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
 299     }
 300     HeapFree( SystemHeap, 0, list );
 301
 302     if (result) USER_ExitWindows();
 303     return FALSE;
 304 }
 305
 306
 307 /***********************************************************************
 308  *           ChangeDisplaySettingA    (USER32.589)
 309  */
 310 LONG WINAPI ChangeDisplaySettings32A( LPDEVMODE32A devmode, DWORD flags )
 311 {
 312   FIXME(system, ": stub\n");
 313   if (devmode==NULL)
 314     FIXME(system,"   devmode=NULL (return to default mode)\n");
 315   else if ( (devmode->dmBitsPerPel != DefaultDepthOfScreen(screen))
 316             || (devmode->dmPelsHeight != screenHeight)
 317             || (devmode->dmPelsWidth != screenWidth) )
 318
 319   {
 320
 321     if (devmode->dmFields & DM_BITSPERPEL)
 322       FIXME(system,"   bpp=%ld\n",devmode->dmBitsPerPel);
 323     if (devmode->dmFields & DM_PELSWIDTH)
 324       FIXME(system,"   width=%ld\n",devmode->dmPelsWidth);
 325     if (devmode->dmFields & DM_PELSHEIGHT)
 326       FIXME(system,"   height=%ld\n",devmode->dmPelsHeight);
 327     FIXME(system," (Putting X in this mode beforehand might help)\n");
 328     /* we don't, but the program ... does not need to know */
 329     return DISP_CHANGE_SUCCESSFUL;
 330   }
 331   return DISP_CHANGE_SUCCESSFUL;
 332 }
 333
 334 /***********************************************************************
 335  *           EnumDisplaySettingsA   (USER32.592)
 336  * FIXME: Currently uses static list of modes.
 337  *
 338  * RETURNS
 339  *      TRUE if nth setting exists found (described in the LPDEVMODE32A struct)
 340  *      FALSE if we do not have the nth setting
 341  */
 342 BOOL32 WINAPI EnumDisplaySettings32A(
 343         LPCSTR name,            /* [in] huh? */
 344         DWORD n,                /* [in] nth entry in display settings list*/
 345         LPDEVMODE32A devmode    /* [out] devmode for that setting */
 346 ) {
 347 #define NRMODES 5
 348 #define NRDEPTHS 4
 349         struct {
 350                 int w,h;
 351         } modes[NRMODES]={{512,384},{640,400},{640,480},{800,600},{1024,768}};
 352         int depths[4] = {8,16,24,32};
 353
 354         TRACE(system,"(%s,%ld,%p)\n",name,n,devmode);
 355         if (n==0) {
 356                 devmode->dmBitsPerPel = DefaultDepthOfScreen(screen);
 357                 devmode->dmPelsHeight = screenHeight;
 358                 devmode->dmPelsWidth = screenWidth;
 359                 return TRUE;
 360         }
 361         if ((n-1)<NRMODES*NRDEPTHS) {
 362                 devmode->dmBitsPerPel   = depths[(n-1)/NRMODES];
 363                 devmode->dmPelsHeight   = modes[(n-1)%NRMODES].h;
 364                 devmode->dmPelsWidth    = modes[(n-1)%NRMODES].w;
 365                 return TRUE;
 366         }
 367         return FALSE;
 368 }
 369
 370 /***********************************************************************
 371  *           EnumDisplaySettingsW   (USER32.593)
 372  */
 373 BOOL32 WINAPI EnumDisplaySettings32W(LPCWSTR name,DWORD n,LPDEVMODE32W devmode) {
 374         LPSTR nameA = HEAP_strdupWtoA(GetProcessHeap(),0,name);
 375         DEVMODE32A      devmodeA;
 376         BOOL32 ret = EnumDisplaySettings32A(nameA,n,&devmodeA);
 377
 378         if (ret) {
 379                 devmode->dmBitsPerPel   = devmodeA.dmBitsPerPel;
 380                 devmode->dmPelsHeight   = devmodeA.dmPelsHeight;
 381                 devmode->dmPelsWidth    = devmodeA.dmPelsWidth;
 382                 /* FIXME: convert rest too, if they are ever returned */
 383         }
 384         HeapFree(GetProcessHeap(),0,nameA);
 385         return ret;
 386 }
 387
 388 /***********************************************************************
 389  *           SetEventHook   (USER.321)
 390  *
 391  *      Used by Turbo Debugger for Windows
 392  */
 393 FARPROC16 WINAPI SetEventHook(FARPROC16 lpfnEventHook)
 394 {
 395         FIXME(hook, "(lpfnEventHook=%08x): stub\n", (UINT32)lpfnEventHook);
 396         return NULL;
 397 }
 398
 399 /***********************************************************************
 400  *           UserSeeUserDo   (USER.216)
 401  */
 402 DWORD WINAPI UserSeeUserDo(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
 403 {
 404     switch (wReqType)
 405     {
 406     case USUD_LOCALALLOC:
 407         return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
 408     case USUD_LOCALFREE:
 409         return LOCAL_Free(USER_HeapSel, wParam1);
 410     case USUD_LOCALCOMPACT:
 411         return LOCAL_Compact(USER_HeapSel, wParam3, 0);
 412     case USUD_LOCALHEAP:
 413         return USER_HeapSel;
 414     case USUD_FIRSTCLASS:
 415         FIXME(local, "return a pointer to the first window class.\n");
 416         return (DWORD)-1;
 417     default:
 418         WARN(local, "wReqType %04x (unknown)", wReqType);
 419         return (DWORD)-1;
 420     }
 421 }
 422
 423 /***********************************************************************
 424  *           RegisterLogonProcess   (USER32.434)
 425  */
 426 DWORD WINAPI RegisterLogonProcess(HANDLE32 hprocess,BOOL32 x) {
 427         FIXME(win32,"(%d,%d),stub!\n",hprocess,x);
 428         return 1;
 429 }
 430
 431 /***********************************************************************
 432  *           CreateWindowStation32W   (USER32.86)
 433  */
 434 HWINSTA32 WINAPI CreateWindowStation32W(
 435         LPWSTR winstation,DWORD res1,DWORD desiredaccess,
 436         LPSECURITY_ATTRIBUTES lpsa
 437 ) {
 438         FIXME(win32,"(%s,0x%08lx,0x%08lx,%p),stub!\n",debugstr_w(winstation),
 439                 res1,desiredaccess,lpsa
 440         );
 441         return 0xdeadcafe;
 442 }
 443
 444 /***********************************************************************
 445  *           SetProcessWindowStation   (USER32.496)
 446  */
 447 BOOL32 WINAPI SetProcessWindowStation(HWINSTA32 hWinSta) {
 448         FIXME(win32,"(%d),stub!\n",hWinSta);
 449         return TRUE;
 450 }
 451
 452 /***********************************************************************
 453  *           SetUserObjectSecurity   (USER32.514)
 454  */
 455 BOOL32 WINAPI SetUserObjectSecurity(
 456         HANDLE32 hObj,
 457         /*LPSECURITY_INFORMATION*/LPVOID pSIRequested,
 458         /*LPSECURITY_DESCRIPTOR*/LPVOID pSID
 459 ) {
 460         FIXME(win32,"(%d,%p,%p),stub!\n",hObj,pSIRequested,pSID);
 461         return TRUE;
 462 }
 463
 464 /***********************************************************************
 465  *           CreateDesktop32W   (USER32.69)
 466  */
 467 HDESK32 WINAPI CreateDesktop32W(
 468         LPWSTR lpszDesktop,LPWSTR lpszDevice,LPDEVMODE32W pDevmode,
 469         DWORD dwFlags,DWORD dwDesiredAccess,LPSECURITY_ATTRIBUTES lpsa
 470 ) {
 471         FIXME(win32,"(%s,%s,%p,0x%08lx,0x%08lx,%p),stub!\n",
 472                 debugstr_w(lpszDesktop),debugstr_w(lpszDevice),pDevmode,
 473                 dwFlags,dwDesiredAccess,lpsa
 474         );
 475         return 0xcafedead;
 476 }
 477
 478 /***********************************************************************
 479  *           SetWindowStationUser   (USER32.521)
 480  */
 481 DWORD WINAPI SetWindowStationUser(DWORD x1,DWORD x2) {
 482         FIXME(win32,"(%ld,%ld),stub!\n",x1,x2);
 483         return 1;
 484 }
 485
 486 /***********************************************************************
 487  *           SetLogonNotifyWindow   (USER32.486)
 488  */
 489 DWORD WINAPI SetLogonNotifyWindow(HWINSTA32 hwinsta,HWND32 hwnd) {
 490         FIXME(win32,"(0x%x,%04x),stub!\n",hwinsta,hwnd);
 491         return 1;
 492 }
 493
 494 /***********************************************************************
 495  *           LoadLocalFonts   (USER32.486)
 496  */
 497 VOID WINAPI LoadLocalFonts(VOID) {
 498         /* are loaded. */
 499         return;
 500 }
 501 /***********************************************************************
 502  *           GetUserObjectInformation32A   (USER32.299)
 503  */
 504 BOOL32 WINAPI GetUserObjectInformation32A( HANDLE32 hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 505 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 506         return TRUE;
 507 }
 508 /***********************************************************************
 509  *           GetUserObjectInformation32W   (USER32.300)
 510  */
 511 BOOL32 WINAPI GetUserObjectInformation32W( HANDLE32 hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 512 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 513         return TRUE;
 514 }