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 "queue.h"
  26 #include "shell.h"
  27 #include "callback.h"
  28 #include "x11drv.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     int queueSize;
 135
 136       /* InitTask() calls LibMain()'s of implicitly loaded DLLs
 137        * prior to InitApp() so there is no clean way to do
 138        * SetTaskSignalHandler() in time. So, broken Windows bypasses
 139        * a pTask->userhandler on startup and simply calls a global
 140        * function pointer to the default USER signal handler.
 141        */
 142
 143     USER_InstallRsrcHandler( hInstance );
 144
 145     /* Hack: restore the divide-by-zero handler */
 146     /* FIXME: should set a USER-specific handler that displays a msg box */
 147     INT_SetPMHandler( 0, INT_GetPMHandler( 0xff ) );
 148
 149       /* Create task message queue */
 150     queueSize = GetProfileInt32A( "windows", "DefaultQueueSize", 8 );
 151     if (!SetMessageQueue32( queueSize )) return 0;
 152
 153     return 1;
 154 }
 155
 156 /**********************************************************************
 157  *           USER_ModuleUnload
 158  */
 159 static void USER_ModuleUnload( HMODULE16 hModule )
 160 {
 161     HOOK_FreeModuleHooks( hModule );
 162     CLASS_FreeModuleClasses( hModule );
 163 }
 164
 165 /**********************************************************************
 166  *           USER_AppExit
 167  */
 168 static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
 169 {
 170     /* FIXME: empty clipboard if needed, maybe destroy menus (Windows
 171      *        only complains about them but does nothing);
 172      */
 173
 174     WND* desktop = WIN_GetDesktop();
 175
 176     /* Patch desktop window */
 177     if( desktop->hmemTaskQ == hQueue )
 178         desktop->hmemTaskQ = GetTaskQueue(TASK_GetNextTask(hTask));
 179
 180     /* Patch resident popup menu window */
 181     MENU_PatchResidentPopup( hQueue, NULL );
 182
 183     TIMER_RemoveQueueTimers( hQueue );
 184
 185     QUEUE_FlushMessages( hQueue );
 186     HOOK_FreeQueueHooks( hQueue );
 187
 188     QUEUE_SetExitingQueue( hQueue );
 189     WIN_ResetQueueWindows( desktop, hQueue, (HQUEUE16)0);
 190     CLIPBOARD_ResetLock( hQueue, 0 );
 191     QUEUE_SetExitingQueue( 0 );
 192
 193     /* Free the message queue */
 194
 195     QUEUE_DeleteMsgQueue( hQueue );
 196
 197     /* ModuleUnload() in "Internals" */
 198
 199     hInstance = GetExePtr( hInstance );
 200     if( GetModuleUsage( hInstance ) <= 1 )
 201         USER_ModuleUnload( hInstance );
 202 }
 203
 204
 205 /***********************************************************************
 206  *           USER_ExitWindows
 207  *
 208  * Clean-up everything and exit the Wine process.
 209  * This is the back-end of ExitWindows(), called when all windows
 210  * have agreed to be terminated.
 211  */
 212 void USER_ExitWindows(void)
 213 {
 214     /* Do the clean-up stuff */
 215
 216     WriteOutProfiles();
 217     SHELL_SaveRegistry();
 218
 219     exit(0);
 220 }
 221
 222
 223 /***********************************************************************
 224  *           USER_SignalProc (USER.314)
 225  */
 226 void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
 227                              UINT16 uExitFn, HINSTANCE16 hInstance,
 228                              HQUEUE16 hQueue )
 229 {
 230     switch( uCode )
 231     {
 232         case USIG_GPF:
 233         case USIG_TERMINATION:
 234              USER_AppExit( hTaskOrModule, hInstance, hQueue ); /* task */
 235              break;
 236
 237         case USIG_DLL_LOAD:
 238              USER_InstallRsrcHandler( hTaskOrModule ); /* module */
 239              break;
 240
 241         case USIG_DLL_UNLOAD:
 242              USER_ModuleUnload( hTaskOrModule ); /* module */
 243              break;
 244
 245         default:
 246              FIXME(msg,"Unimplemented USER signal: %i\n", (int)uCode );
 247     }
 248 }
 249
 250
 251 /***********************************************************************
 252  *           ExitWindows16   (USER.7)
 253  */
 254 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
 255 {
 256     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 257 }
 258
 259
 260 /***********************************************************************
 261  *           ExitWindowsExec16   (USER.246)
 262  */
 263 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
 264 {
 265     TRACE(system, "Should run the following in DOS-mode: \"%s %s\"\n",
 266         lpszExe, lpszParams);
 267     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 268 }
 269
 270
 271 /***********************************************************************
 272  *           ExitWindowsEx   (USER32.196)
 273  */
 274 BOOL32 WINAPI ExitWindowsEx( UINT32 flags, DWORD reserved )
 275 {
 276     int i;
 277     BOOL32 result;
 278     WND **list, **ppWnd;
 279
 280     /* We have to build a list of all windows first, as in EnumWindows */
 281
 282     if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL ))) return FALSE;
 283
 284     /* Send a WM_QUERYENDSESSION message to every window */
 285
 286     for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
 287     {
 288         /* Make sure that the window still exists */
 289         if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
 290         if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
 291             break;
 292     }
 293     result = !(*ppWnd);
 294
 295     /* Now notify all windows that got a WM_QUERYENDSESSION of the result */
 296
 297     for (ppWnd = list; i > 0; i--, ppWnd++)
 298     {
 299         if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
 300         SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
 301     }
 302     HeapFree( SystemHeap, 0, list );
 303
 304     if (result) USER_ExitWindows();
 305     return FALSE;
 306 }
 307
 308
 309 /***********************************************************************
 310  *           ChangeDisplaySettingA    (USER32.589)
 311  */
 312 LONG WINAPI ChangeDisplaySettings32A( LPDEVMODE32A devmode, DWORD flags )
 313 {
 314   FIXME(system, ": stub\n");
 315   if (devmode==NULL)
 316     FIXME(system,"   devmode=NULL (return to default mode)\n");
 317   else if ( (devmode->dmBitsPerPel != DefaultDepthOfScreen(screen))
 318             || (devmode->dmPelsHeight != screenHeight)
 319             || (devmode->dmPelsWidth != screenWidth) )
 320
 321   {
 322
 323     if (devmode->dmFields & DM_BITSPERPEL)
 324       FIXME(system,"   bpp=%ld\n",devmode->dmBitsPerPel);
 325     if (devmode->dmFields & DM_PELSWIDTH)
 326       FIXME(system,"   width=%ld\n",devmode->dmPelsWidth);
 327     if (devmode->dmFields & DM_PELSHEIGHT)
 328       FIXME(system,"   height=%ld\n",devmode->dmPelsHeight);
 329     FIXME(system," (Putting X in this mode beforehand might help)\n");
 330     /* we don't, but the program ... does not need to know */
 331     return DISP_CHANGE_SUCCESSFUL;
 332   }
 333   return DISP_CHANGE_SUCCESSFUL;
 334 }
 335
 336 /***********************************************************************
 337  *           EnumDisplaySettingsA   (USER32.592)
 338  * FIXME: Currently uses static list of modes.
 339  *
 340  * RETURNS
 341  *      TRUE if nth setting exists found (described in the LPDEVMODE32A struct)
 342  *      FALSE if we do not have the nth setting
 343  */
 344 BOOL32 WINAPI EnumDisplaySettings32A(
 345         LPCSTR name,            /* [in] huh? */
 346         DWORD n,                /* [in] nth entry in display settings list*/
 347         LPDEVMODE32A devmode    /* [out] devmode for that setting */
 348 ) {
 349 #define NRMODES 5
 350 #define NRDEPTHS 4
 351         struct {
 352                 int w,h;
 353         } modes[NRMODES]={{512,384},{640,400},{640,480},{800,600},{1024,768}};
 354         int depths[4] = {8,16,24,32};
 355
 356         TRACE(system,"(%s,%ld,%p)\n",name,n,devmode);
 357         if (n==0) {
 358                 devmode->dmBitsPerPel = DefaultDepthOfScreen(screen);
 359                 devmode->dmPelsHeight = screenHeight;
 360                 devmode->dmPelsWidth = screenWidth;
 361                 return TRUE;
 362         }
 363         if ((n-1)<NRMODES*NRDEPTHS) {
 364                 devmode->dmBitsPerPel   = depths[(n-1)/NRMODES];
 365                 devmode->dmPelsHeight   = modes[(n-1)%NRMODES].h;
 366                 devmode->dmPelsWidth    = modes[(n-1)%NRMODES].w;
 367                 return TRUE;
 368         }
 369         return FALSE;
 370 }
 371
 372 /***********************************************************************
 373  *           EnumDisplaySettingsW   (USER32.593)
 374  */
 375 BOOL32 WINAPI EnumDisplaySettings32W(LPCWSTR name,DWORD n,LPDEVMODE32W devmode) {
 376         LPSTR nameA = HEAP_strdupWtoA(GetProcessHeap(),0,name);
 377         DEVMODE32A      devmodeA;
 378         BOOL32 ret = EnumDisplaySettings32A(nameA,n,&devmodeA);
 379
 380         if (ret) {
 381                 devmode->dmBitsPerPel   = devmodeA.dmBitsPerPel;
 382                 devmode->dmPelsHeight   = devmodeA.dmPelsHeight;
 383                 devmode->dmPelsWidth    = devmodeA.dmPelsWidth;
 384                 /* FIXME: convert rest too, if they are ever returned */
 385         }
 386         HeapFree(GetProcessHeap(),0,nameA);
 387         return ret;
 388 }
 389
 390 /***********************************************************************
 391  *           SetEventHook   (USER.321)
 392  *
 393  *      Used by Turbo Debugger for Windows
 394  */
 395 FARPROC16 WINAPI SetEventHook(FARPROC16 lpfnEventHook)
 396 {
 397         FIXME(hook, "(lpfnEventHook=%08x): stub\n", (UINT32)lpfnEventHook);
 398         return NULL;
 399 }
 400
 401 /***********************************************************************
 402  *           UserSeeUserDo   (USER.216)
 403  */
 404 DWORD WINAPI UserSeeUserDo(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
 405 {
 406     switch (wReqType)
 407     {
 408     case USUD_LOCALALLOC:
 409         return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
 410     case USUD_LOCALFREE:
 411         return LOCAL_Free(USER_HeapSel, wParam1);
 412     case USUD_LOCALCOMPACT:
 413         return LOCAL_Compact(USER_HeapSel, wParam3, 0);
 414     case USUD_LOCALHEAP:
 415         return USER_HeapSel;
 416     case USUD_FIRSTCLASS:
 417         FIXME(local, "return a pointer to the first window class.\n");
 418         return (DWORD)-1;
 419     default:
 420         WARN(local, "wReqType %04x (unknown)", wReqType);
 421         return (DWORD)-1;
 422     }
 423 }
 424
 425 /***********************************************************************
 426  *           RegisterLogonProcess   (USER32.434)
 427  */
 428 DWORD WINAPI RegisterLogonProcess(HANDLE32 hprocess,BOOL32 x) {
 429         FIXME(win32,"(%d,%d),stub!\n",hprocess,x);
 430         return 1;
 431 }
 432
 433 /***********************************************************************
 434  *           CreateWindowStation32W   (USER32.86)
 435  */
 436 HWINSTA32 WINAPI CreateWindowStation32W(
 437         LPWSTR winstation,DWORD res1,DWORD desiredaccess,
 438         LPSECURITY_ATTRIBUTES lpsa
 439 ) {
 440         FIXME(win32,"(%s,0x%08lx,0x%08lx,%p),stub!\n",debugstr_w(winstation),
 441                 res1,desiredaccess,lpsa
 442         );
 443         return 0xdeadcafe;
 444 }
 445
 446 /***********************************************************************
 447  *           SetProcessWindowStation   (USER32.496)
 448  */
 449 BOOL32 WINAPI SetProcessWindowStation(HWINSTA32 hWinSta) {
 450         FIXME(win32,"(%d),stub!\n",hWinSta);
 451         return TRUE;
 452 }
 453
 454 /***********************************************************************
 455  *           SetUserObjectSecurity   (USER32.514)
 456  */
 457 BOOL32 WINAPI SetUserObjectSecurity(
 458         HANDLE32 hObj,
 459         /*LPSECURITY_INFORMATION*/LPVOID pSIRequested,
 460         /*LPSECURITY_DESCRIPTOR*/LPVOID pSID
 461 ) {
 462         FIXME(win32,"(%d,%p,%p),stub!\n",hObj,pSIRequested,pSID);
 463         return TRUE;
 464 }
 465
 466 /***********************************************************************
 467  *           CreateDesktop32W   (USER32.69)
 468  */
 469 HDESK32 WINAPI CreateDesktop32W(
 470         LPWSTR lpszDesktop,LPWSTR lpszDevice,LPDEVMODE32W pDevmode,
 471         DWORD dwFlags,DWORD dwDesiredAccess,LPSECURITY_ATTRIBUTES lpsa
 472 ) {
 473         FIXME(win32,"(%s,%s,%p,0x%08lx,0x%08lx,%p),stub!\n",
 474                 debugstr_w(lpszDesktop),debugstr_w(lpszDevice),pDevmode,
 475                 dwFlags,dwDesiredAccess,lpsa
 476         );
 477         return 0xcafedead;
 478 }
 479
 480 /***********************************************************************
 481  *           SetWindowStationUser   (USER32.521)
 482  */
 483 DWORD WINAPI SetWindowStationUser(DWORD x1,DWORD x2) {
 484         FIXME(win32,"(%ld,%ld),stub!\n",x1,x2);
 485         return 1;
 486 }
 487
 488 /***********************************************************************
 489  *           SetLogonNotifyWindow   (USER32.486)
 490  */
 491 DWORD WINAPI SetLogonNotifyWindow(HWINSTA32 hwinsta,HWND32 hwnd) {
 492         FIXME(win32,"(0x%x,%04x),stub!\n",hwinsta,hwnd);
 493         return 1;
 494 }
 495
 496 /***********************************************************************
 497  *           LoadLocalFonts   (USER32.486)
 498  */
 499 VOID WINAPI LoadLocalFonts(VOID) {
 500         /* are loaded. */
 501         return;
 502 }
 503 /***********************************************************************
 504  *           GetUserObjectInformation32A   (USER32.299)
 505  */
 506 BOOL32 WINAPI GetUserObjectInformation32A( HANDLE32 hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 507 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 508         return TRUE;
 509 }
 510 /***********************************************************************
 511  *           GetUserObjectInformation32W   (USER32.300)
 512  */
 513 BOOL32 WINAPI GetUserObjectInformation32W( HANDLE32 hObj, int nIndex, LPVOID pvInfo, DWORD nLength, LPDWORD lpnLen )
 514 {       FIXME(win32,"(0x%x %i %p %ld %p),stub!\n", hObj, nIndex, pvInfo, nLength, lpnLen );
 515         return TRUE;
 516 }