reactos/win32ss/user/ntuser/defwnd.c

   1 /*
   2  * COPYRIGHT:        See COPYING in the top level directory
   3  * PROJECT:          ReactOS Win32k subsystem
   4  * PURPOSE:          Miscellaneous User functions
   5  * FILE:             win32ss/user/ntuser/defwnd.c
   6  * PROGRAMER:
   7  */
   8
   9 #include <win32k.h>
  10 #include <windowsx.h>
  11
  12 DBG_DEFAULT_CHANNEL(UserDefwnd);
  13
  14 INT WINAPI DrawTextExWorker( HDC hdc, LPWSTR str, INT i_count,
  15                         LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp );
  16
  17 INT WINAPI DrawTextW( HDC hdc, LPCWSTR str, INT count, LPRECT rect, UINT flags )
  18 {
  19     DRAWTEXTPARAMS dtp;
  20
  21     memset (&dtp, 0, sizeof(dtp));
  22     dtp.cbSize = sizeof(dtp);
  23     if (flags & DT_TABSTOP)
  24     {
  25         dtp.iTabLength = (flags >> 8) & 0xff;
  26         flags &= 0xffff00ff;
  27     }
  28     return DrawTextExWorker(hdc, (LPWSTR)str, count, rect, flags, &dtp);
  29 }
  30
  31
  32 HBRUSH FASTCALL
  33 DefWndControlColor(HDC hDC, UINT ctlType)
  34 {
  35   if (ctlType == CTLCOLOR_SCROLLBAR)
  36   {
  37       HBRUSH hb = IntGetSysColorBrush(COLOR_SCROLLBAR);
  38       COLORREF bk = IntGetSysColor(COLOR_3DHILIGHT);
  39       IntGdiSetTextColor(hDC, IntGetSysColor(COLOR_3DFACE));
  40       IntGdiSetBkColor(hDC, bk);
  41
  42       /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
  43        * we better use 0x55aa bitmap brush to make scrollbar's background
  44        * look different from the window background.
  45        */
  46       if ( bk == IntGetSysColor(COLOR_WINDOW))
  47           return gpsi->hbrGray;
  48
  49       NtGdiUnrealizeObject( hb );
  50       return hb;
  51   }
  52
  53   IntGdiSetTextColor(hDC, IntGetSysColor(COLOR_WINDOWTEXT));
  54
  55   if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
  56   {
  57       IntGdiSetBkColor(hDC, IntGetSysColor(COLOR_WINDOW));
  58   }
  59   else
  60   {
  61       IntGdiSetBkColor(hDC, IntGetSysColor(COLOR_3DFACE));
  62       return IntGetSysColorBrush(COLOR_3DFACE);
  63   }
  64
  65   return IntGetSysColorBrush(COLOR_WINDOW);
  66 }
  67
  68 LRESULT FASTCALL
  69 DefWndHandleWindowPosChanging(PWND pWnd, WINDOWPOS* Pos)
  70 {
  71     POINT maxTrack, minTrack;
  72     LONG style = pWnd->style;
  73
  74     if (Pos->flags & SWP_NOSIZE) return 0;
  75     if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
  76     {
  77         co_WinPosGetMinMaxInfo(pWnd, NULL, NULL, &minTrack, &maxTrack);
  78         Pos->cx = min(Pos->cx, maxTrack.x);
  79         Pos->cy = min(Pos->cy, maxTrack.y);
  80         if (!(style & WS_MINIMIZE))
  81         {
  82             if (Pos->cx < minTrack.x) Pos->cx = minTrack.x;
  83             if (Pos->cy < minTrack.y) Pos->cy = minTrack.y;
  84         }
  85     }
  86     else
  87     {
  88         Pos->cx = max(Pos->cx, 0);
  89         Pos->cy = max(Pos->cy, 0);
  90     }
  91     return 0;
  92 }
  93
  94 LRESULT FASTCALL
  95 DefWndHandleWindowPosChanged(PWND pWnd, WINDOWPOS* Pos)
  96 {
  97    RECT Rect;
  98    LONG style = pWnd->style;
  99
 100    IntGetClientRect(pWnd, &Rect);
 101    IntMapWindowPoints(pWnd, (style & WS_CHILD ? IntGetParent(pWnd) : NULL), (LPPOINT) &Rect, 2);
 102
 103    if (!(Pos->flags & SWP_NOCLIENTMOVE))
 104    {
 105       co_IntSendMessage(UserHMGetHandle(pWnd), WM_MOVE, 0, MAKELONG(Rect.left, Rect.top));
 106    }
 107
 108    if (!(Pos->flags & SWP_NOCLIENTSIZE) || (Pos->flags & SWP_STATECHANGED))
 109    {
 110       if (style & WS_MINIMIZE) co_IntSendMessage(UserHMGetHandle(pWnd), WM_SIZE, SIZE_MINIMIZED, 0 );
 111       else
 112       {
 113          WPARAM wp = (style & WS_MAXIMIZE) ? SIZE_MAXIMIZED : SIZE_RESTORED;
 114          co_IntSendMessage(UserHMGetHandle(pWnd), WM_SIZE, wp, MAKELONG(Rect.right - Rect.left, Rect.bottom - Rect.top));
 115       }
 116    }
 117    return 0;
 118 }
 119
 120 //
 121 // Handle a WM_SYSCOMMAND message. Called from DefWindowProc().
 122 //
 123 LRESULT FASTCALL
 124 DefWndHandleSysCommand(PWND pWnd, WPARAM wParam, LPARAM lParam)
 125 {
 126    LRESULT lResult = 0;
 127    BOOL Hook = FALSE;
 128
 129    if (ISITHOOKED(WH_CBT) || (pWnd->head.rpdesk->pDeskInfo->fsHooks & HOOKID_TO_FLAG(WH_CBT)))
 130    {
 131       Hook = TRUE;
 132       lResult = co_HOOK_CallHooks(WH_CBT, HCBT_SYSCOMMAND, wParam, lParam);
 133
 134       if (lResult) return lResult;
 135    }
 136
 137    switch (wParam & 0xfff0)
 138    {
 139       case SC_MOVE:
 140       case SC_SIZE:
 141         DefWndDoSizeMove(pWnd, wParam);
 142         break;
 143
 144       case SC_MINIMIZE:
 145         if (UserHMGetHandle(pWnd) == UserGetActiveWindow())
 146             IntShowOwnedPopups(pWnd,FALSE); // This is done in ShowWindow! Need to retest!
 147         co_WinPosShowWindow( pWnd, SW_MINIMIZE );
 148         break;
 149
 150       case SC_MAXIMIZE:
 151         if (((pWnd->style & WS_MINIMIZE) != 0) && UserHMGetHandle(pWnd) == UserGetActiveWindow())
 152             IntShowOwnedPopups(pWnd,TRUE);
 153         co_WinPosShowWindow( pWnd, SW_MAXIMIZE );
 154         break;
 155
 156       case SC_RESTORE:
 157         if (((pWnd->style & WS_MINIMIZE) != 0) && UserHMGetHandle(pWnd) == UserGetActiveWindow())
 158             IntShowOwnedPopups(pWnd,TRUE);
 159         co_WinPosShowWindow( pWnd, SW_RESTORE );
 160         break;
 161
 162       case SC_CLOSE:
 163         return co_IntSendMessage(UserHMGetHandle(pWnd), WM_CLOSE, 0, 0);
 164
 165       case SC_SCREENSAVE:
 166         ERR("Screensaver Called!\n");
 167         UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_START_SCREENSAVE, 0); // always lParam 0 == not Secure
 168         break;
 169
 170       case SC_HOTKEY:
 171         {
 172            USER_REFERENCE_ENTRY Ref;
 173
 174            pWnd = ValidateHwndNoErr((HWND)lParam);
 175            if (pWnd)
 176            {
 177               if (pWnd->spwndLastActive)
 178               {
 179                  pWnd = pWnd->spwndLastActive;
 180               }
 181               UserRefObjectCo(pWnd, &Ref);
 182               co_IntSetForegroundWindow(pWnd);
 183               UserDerefObjectCo(pWnd);
 184               if (pWnd->style & WS_MINIMIZE)
 185               {
 186                  UserPostMessage(UserHMGetHandle(pWnd), WM_SYSCOMMAND, SC_RESTORE, 0);
 187               }
 188            }
 189         }
 190         break;
 191 //      case SC_DEFAULT:
 192       case SC_MOUSEMENU:
 193         {
 194           POINT Pt;
 195           Pt.x = (short)LOWORD(lParam);
 196           Pt.y = (short)HIWORD(lParam);
 197           MENU_TrackMouseMenuBar(pWnd, wParam & 0x000f, Pt);
 198         }
 199         break;
 200
 201       case SC_KEYMENU:
 202         MENU_TrackKbdMenuBar(pWnd, wParam, (WCHAR)lParam);
 203         break;
 204
 205
 206       default:
 207    // We do not support anything else here so we should return normal even when sending a hook.
 208         return 0;
 209    }
 210
 211    return(Hook ? 1 : 0); // Don't call us again from user space.
 212 }
 213
 214 PWND FASTCALL
 215 co_IntFindChildWindowToOwner(PWND Root, PWND Owner)
 216 {
 217    PWND Ret;
 218    PWND Child, OwnerWnd;
 219
 220    for(Child = Root->spwndChild; Child; Child = Child->spwndNext)
 221    {
 222       OwnerWnd = Child->spwndOwner;
 223       if(!OwnerWnd)
 224          continue;
 225
 226       if (!(Child->style & WS_POPUP) ||
 227           !(Child->style & WS_VISIBLE) ||
 228           /* Fixes CMD pop up properties window from having foreground. */
 229            Owner->head.pti->MessageQueue != Child->head.pti->MessageQueue)
 230          continue;
 231
 232       if(OwnerWnd == Owner)
 233       {
 234          Ret = Child;
 235          return Ret;
 236       }
 237    }
 238    return NULL;
 239 }
 240
 241 LRESULT
 242 DefWndHandleSetCursor(PWND pWnd, WPARAM wParam, LPARAM lParam)
 243 {
 244    PWND pwndPopUP = NULL;
 245    WORD Msg = HIWORD(lParam);
 246
 247    /* Not for child windows. */
 248    if (UserHMGetHandle(pWnd) != (HWND)wParam)
 249    {
 250       return FALSE;
 251    }
 252
 253    switch((short)LOWORD(lParam))
 254    {
 255       case HTERROR:
 256       {
 257          //// This is the real fix for CORE-6129! This was a "Code hole".
 258          USER_REFERENCE_ENTRY Ref;
 259
 260          if (Msg == WM_LBUTTONDOWN)
 261          {
 262             // Find a pop up window to bring active.
 263             pwndPopUP = co_IntFindChildWindowToOwner(UserGetDesktopWindow(), pWnd);
 264             if (pwndPopUP)
 265             {
 266                // Not a child pop up from desktop.
 267                if ( pwndPopUP != UserGetDesktopWindow()->spwndChild )
 268                {
 269                   // Get original active window.
 270                   PWND pwndOrigActive = gpqForeground->spwndActive;
 271
 272                   co_WinPosSetWindowPos(pWnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 273
 274                   UserRefObjectCo(pwndPopUP, &Ref);
 275                   //UserSetActiveWindow(pwndPopUP);
 276                   co_IntSetForegroundWindow(pwndPopUP); // HACK
 277                   UserDerefObjectCo(pwndPopUP);
 278
 279                   // If the change was made, break out.
 280                   if (pwndOrigActive != gpqForeground->spwndActive)
 281                      break;
 282                }
 283             }
 284          }
 285          ////
 286          if (Msg == WM_LBUTTONDOWN || Msg == WM_MBUTTONDOWN ||
 287              Msg == WM_RBUTTONDOWN || Msg == WM_XBUTTONDOWN)
 288          {
 289              if (pwndPopUP)
 290              {
 291                  FLASHWINFO fwi =
 292                     {sizeof(FLASHWINFO),
 293                      UserHMGetHandle(pwndPopUP),
 294                      FLASHW_ALL,
 295                      gspv.dwForegroundFlashCount,
 296                      (gpsi->dtCaretBlink >> 3)};
 297
 298                  // Now shake that window!
 299                  IntFlashWindowEx(pwndPopUP, &fwi);
 300              }
 301              UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_MESSAGE_BEEP, 0);
 302          }
 303          break;
 304       }
 305
 306       case HTCLIENT:
 307       {
 308          if (pWnd->pcls->spcur)
 309          {
 310             UserSetCursor(pWnd->pcls->spcur, FALSE);
 311          }
 312          return FALSE;
 313       }
 314
 315       case HTLEFT:
 316       case HTRIGHT:
 317       {
 318          if (pWnd->style & WS_MAXIMIZE)
 319          {
 320             break;
 321          }
 322          UserSetCursor(SYSTEMCUR(SIZEWE), FALSE);
 323          return TRUE;
 324       }
 325
 326       case HTTOP:
 327       case HTBOTTOM:
 328       {
 329          if (pWnd->style & WS_MAXIMIZE)
 330          {
 331             break;
 332          }
 333          UserSetCursor(SYSTEMCUR(SIZENS), FALSE);
 334          return TRUE;
 335        }
 336
 337        case HTTOPLEFT:
 338        case HTBOTTOMRIGHT:
 339        {
 340          if (pWnd->style & WS_MAXIMIZE)
 341          {
 342             break;
 343          }
 344          UserSetCursor(SYSTEMCUR(SIZENWSE), FALSE);
 345          return TRUE;
 346        }
 347
 348        case HTBOTTOMLEFT:
 349        case HTTOPRIGHT:
 350        {
 351          if (pWnd->style & WS_MAXIMIZE)
 352          {
 353             break;
 354          }
 355          UserSetCursor(SYSTEMCUR(SIZENESW), FALSE);
 356          return TRUE;
 357        }
 358    }
 359    UserSetCursor(SYSTEMCUR(ARROW), FALSE);
 360    return FALSE;
 361 }
 362
 363 VOID FASTCALL DefWndPrint( PWND pwnd, HDC hdc, ULONG uFlags)
 364 {
 365   /*
 366    * Visibility flag.
 367    */
 368   if ( (uFlags & PRF_CHECKVISIBLE) &&
 369        !IntIsWindowVisible(pwnd) )
 370       return;
 371
 372   /*
 373    * Unimplemented flags.
 374    */
 375   if ( (uFlags & PRF_CHILDREN) ||
 376        (uFlags & PRF_OWNED)    ||
 377        (uFlags & PRF_NONCLIENT) )
 378   {
 379     FIXME("WM_PRINT message with unsupported flags\n");
 380   }
 381
 382   /*
 383    * Background
 384    */
 385   if ( uFlags & PRF_ERASEBKGND)
 386     co_IntSendMessage(UserHMGetHandle(pwnd), WM_ERASEBKGND, (WPARAM)hdc, 0);
 387
 388   /*
 389    * Client area
 390    */
 391   if ( uFlags & PRF_CLIENT)
 392     co_IntSendMessage(UserHMGetHandle(pwnd), WM_PRINTCLIENT, (WPARAM)hdc, uFlags);
 393 }
 394
 395 BOOL
 396 UserPaintCaption(PWND pWnd, INT Flags)
 397 {
 398   BOOL Ret = FALSE;
 399
 400   if ( pWnd->style & WS_VISIBLE && (pWnd->style & WS_CAPTION) == WS_CAPTION )
 401   {
 402
 403       if (pWnd->state & WNDS_HASCAPTION && pWnd->head.pti->MessageQueue == gpqForeground)
 404          Flags |= DC_ACTIVE;
 405     /*
 406      * When themes are not enabled we can go on and paint the non client area.
 407      * However if we do that with themes enabled we will draw a classic frame.
 408      * This is sovled by sending a themes specific message to notify the themes
 409      * engine that the caption needs to be redrawn
 410      */
 411       if (gpsi->dwSRVIFlags & SRVINFO_APIHOOK)
 412       {
 413         /*
 414          * This will cause uxtheme to either paint the themed caption or call
 415          * RealUserDrawCaption in order to draw the classic caption when themes
 416          * are disabled but the themes service is enabled
 417          */
 418          TRACE("UDCB Flags %08x\n");
 419          co_IntSendMessage(UserHMGetHandle(pWnd), WM_NCUAHDRAWCAPTION, Flags, 0);
 420       }
 421       else
 422       {
 423          HDC hDC = UserGetDCEx(pWnd, NULL, DCX_WINDOW|DCX_USESTYLE);
 424          UserDrawCaptionBar(pWnd, hDC, Flags);
 425          UserReleaseDC(pWnd, hDC, FALSE);
 426       }
 427       Ret = TRUE;
 428    }
 429    // Support window tray
 430    return Ret;
 431 }
 432
 433 // WM_SETICON
 434 LRESULT FASTCALL
 435 DefWndSetIcon(PWND pWnd, WPARAM wParam, LPARAM lParam)
 436 {
 437     HICON hIcon, hIconSmall, hIconOld;
 438
 439     if ( wParam > ICON_SMALL2 )
 440     {
 441         EngSetLastError(ERROR_INVALID_PARAMETER);
 442         return 0;
 443     }
 444     hIconSmall = UserGetProp(pWnd, gpsi->atomIconSmProp);
 445     hIcon      = UserGetProp(pWnd, gpsi->atomIconProp);
 446
 447     hIconOld = wParam == ICON_BIG ? hIcon : hIconSmall;
 448
 449     switch(wParam)
 450     {
 451         case ICON_BIG:
 452             hIcon = (HICON)lParam;
 453             break;
 454         case ICON_SMALL:
 455             hIconSmall = (HICON)lParam;
 456             break;
 457         case ICON_SMALL2:
 458             ERR("FIXME: Set ICON_SMALL2 support!\n");
 459         default:
 460             break;
 461     }
 462
 463     IntSetProp(pWnd, gpsi->atomIconProp, hIcon);
 464     IntSetProp(pWnd, gpsi->atomIconSmProp, hIconSmall);
 465
 466     if ((pWnd->style & WS_CAPTION ) == WS_CAPTION)
 467        UserPaintCaption(pWnd, DC_ICON);
 468
 469     return (LRESULT)hIconOld;
 470 }
 471
 472 LRESULT FASTCALL
 473 DefWndGetIcon(PWND pWnd, WPARAM wParam, LPARAM lParam)
 474 {
 475     HICON hIconRet;
 476     if ( wParam > ICON_SMALL2 )
 477     {
 478         EngSetLastError(ERROR_INVALID_PARAMETER);
 479         return 0;
 480     }
 481     switch(wParam)
 482     {
 483         case ICON_BIG:
 484             hIconRet = UserGetProp(pWnd, gpsi->atomIconProp);
 485             break;
 486         case ICON_SMALL:
 487         case ICON_SMALL2:
 488             hIconRet = UserGetProp(pWnd, gpsi->atomIconSmProp);
 489             break;
 490         default:
 491             break;
 492     }
 493     return (LRESULT)hIconRet;
 494 }
 495
 496 VOID FASTCALL
 497 DefWndScreenshot(PWND pWnd)
 498 {
 499     RECT rect;
 500     HDC hdc;
 501     INT w;
 502     INT h;
 503     HBITMAP hbitmap;
 504     HDC hdc2;
 505     SETCLIPBDATA scd = {FALSE, FALSE};
 506
 507     UserOpenClipboard(UserHMGetHandle(pWnd));
 508     UserEmptyClipboard();
 509
 510     hdc = UserGetWindowDC(pWnd);
 511     IntGetWindowRect(pWnd, &rect);
 512     w = rect.right - rect.left;
 513     h = rect.bottom - rect.top;
 514
 515     hbitmap = NtGdiCreateCompatibleBitmap(hdc, w, h);
 516     hdc2 = NtGdiCreateCompatibleDC(hdc);
 517     NtGdiSelectBitmap(hdc2, hbitmap);
 518
 519     NtGdiBitBlt(hdc2, 0, 0, w, h, hdc, 0, 0, SRCCOPY, 0, 0);
 520
 521     UserSetClipboardData(CF_BITMAP, hbitmap, &scd);
 522
 523     UserReleaseDC(pWnd, hdc, FALSE);
 524     UserReleaseDC(pWnd, hdc2, FALSE);
 525
 526     UserCloseClipboard();
 527 }
 528
 529 /*
 530    Win32k counterpart of User DefWindowProc
 531  */
 532 LRESULT FASTCALL
 533 IntDefWindowProc(
 534    PWND Wnd,
 535    UINT Msg,
 536    WPARAM wParam,
 537    LPARAM lParam,
 538    BOOL Ansi)
 539 {
 540    PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
 541    LRESULT lResult = 0;
 542    USER_REFERENCE_ENTRY Ref;
 543
 544    if (Msg > WM_USER) return 0;
 545
 546    switch (Msg)
 547    {
 548       case WM_GETTEXTLENGTH:
 549       {
 550             PWSTR buf;
 551             ULONG len;
 552
 553             if (Wnd != NULL && Wnd->strName.Length != 0)
 554             {
 555                 buf = Wnd->strName.Buffer;
 556                 if (buf != NULL &&
 557                     NT_SUCCESS(RtlUnicodeToMultiByteSize(&len,
 558                                                          buf,
 559                                                          Wnd->strName.Length)))
 560                 {
 561                     lResult = (LRESULT) (Wnd->strName.Length / sizeof(WCHAR));
 562                 }
 563             }
 564             else lResult = 0L;
 565
 566             break;
 567       }
 568
 569       case WM_GETTEXT: // FIXME: Handle Ansi
 570       {
 571             PWSTR buf = NULL;
 572             PWSTR outbuf = (PWSTR)lParam;
 573
 574             if (Wnd != NULL && wParam != 0)
 575             {
 576                 if (Wnd->strName.Buffer != NULL)
 577                     buf = Wnd->strName.Buffer;
 578                 else
 579                     outbuf[0] = L'\0';
 580
 581                 if (buf != NULL)
 582                 {
 583                     if (Wnd->strName.Length != 0)
 584                     {
 585                         lResult = min(Wnd->strName.Length / sizeof(WCHAR), wParam - 1);
 586                         RtlCopyMemory(outbuf,
 587                                       buf,
 588                                       lResult * sizeof(WCHAR));
 589                         outbuf[lResult] = L'\0';
 590                     }
 591                     else
 592                         outbuf[0] = L'\0';
 593                 }
 594             }
 595             break;
 596       }
 597
 598       case WM_SETTEXT: // FIXME: Handle Ansi
 599       {
 600             DefSetText(Wnd, (PCWSTR)lParam);
 601
 602             if ((Wnd->style & WS_CAPTION) == WS_CAPTION)
 603                 UserPaintCaption(Wnd, DC_TEXT);
 604             IntNotifyWinEvent(EVENT_OBJECT_NAMECHANGE, Wnd, OBJID_WINDOW, CHILDID_SELF, 0);
 605             lResult = 1;
 606             break;
 607       }
 608
 609       case WM_SYSCOMMAND:
 610       {
 611          TRACE("hwnd %p WM_SYSCOMMAND %lx %lx\n", Wnd->head.h, wParam, lParam );
 612          lResult = DefWndHandleSysCommand(Wnd, wParam, lParam);
 613          break;
 614       }
 615
 616       case WM_SHOWWINDOW:
 617       {
 618          if ((Wnd->style & WS_VISIBLE) && wParam) break;
 619          if (!(Wnd->style & WS_VISIBLE) && !wParam) break;
 620          if (!Wnd->spwndOwner) break;
 621          if (LOWORD(lParam))
 622          {
 623             if (wParam)
 624             {
 625                if (!(Wnd->state & WNDS_HIDDENPOPUP)) break;
 626                Wnd->state &= ~WNDS_HIDDENPOPUP;
 627             }
 628             else
 629                 Wnd->state |= WNDS_HIDDENPOPUP;
 630
 631             co_WinPosShowWindow(Wnd, wParam ? SW_SHOWNOACTIVATE : SW_HIDE);
 632          }
 633       }
 634       break;
 635
 636       case WM_CLIENTSHUTDOWN:
 637          return IntClientShutdown(Wnd, wParam, lParam);
 638
 639       case WM_APPCOMMAND:
 640          if ( (Wnd->style & (WS_POPUP|WS_CHILD)) != WS_CHILD &&
 641                Wnd != co_GetDesktopWindow(Wnd) )
 642          {
 643             if (!co_HOOK_CallHooks(WH_SHELL, HSHELL_APPCOMMAND, wParam, lParam))
 644                co_IntShellHookNotify(HSHELL_APPCOMMAND, wParam, lParam);
 645             break;
 646          }
 647          UserRefObjectCo(Wnd->spwndParent, &Ref);
 648          lResult = co_IntSendMessage(UserHMGetHandle(Wnd->spwndParent), WM_APPCOMMAND, wParam, lParam);
 649          UserDerefObjectCo(Wnd->spwndParent);
 650          break;
 651
 652       case WM_KEYF1:
 653       {
 654          HELPINFO hi;
 655          HMENU hMenu = UlongToHandle(Wnd->IDMenu);
 656          PWND pwndActive = MENU_IsMenuActive();
 657          hi.cbSize = sizeof(HELPINFO);
 658          hi.MousePos = gpsi->ptCursor;
 659          hi.iContextType = HELPINFO_MENUITEM;
 660          hi.hItemHandle = pwndActive ? UserHMGetHandle(pwndActive) : UserHMGetHandle(Wnd);
 661          hi.iCtrlId = (Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD ? IntMenuItemFromPoint(Wnd, hMenu, hi.MousePos) : 0;
 662          hi.dwContextId = IntGetWindowContextHelpId(Wnd);
 663
 664          co_IntSendMessage( UserHMGetHandle(Wnd), WM_HELP, 0, (LPARAM)&hi );
 665          break;
 666       }
 667
 668       case WM_SETICON:
 669       {
 670          return DefWndSetIcon(Wnd, wParam, lParam);
 671       }
 672
 673       case WM_GETICON:
 674       {
 675          return DefWndGetIcon(Wnd, wParam, lParam);
 676       }
 677
 678       case WM_HELP:
 679       {
 680          PWND Parent = IntGetParent(Wnd);
 681          co_IntSendMessage(UserHMGetHandle(Parent), Msg, wParam, lParam);
 682          break;
 683       }
 684
 685       case WM_LBUTTONDOWN:
 686       case WM_RBUTTONDOWN:
 687       case WM_MBUTTONDOWN:
 688           pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK);
 689           break;
 690
 691       case WM_NCLBUTTONDOWN:
 692           return (NC_HandleNCLButtonDown( Wnd, wParam, lParam));
 693
 694       case WM_LBUTTONDBLCLK:
 695           return (NC_HandleNCLButtonDblClk( Wnd, HTCLIENT, lParam));
 696
 697       case WM_NCLBUTTONDBLCLK:
 698           return (NC_HandleNCLButtonDblClk( Wnd, wParam, lParam));
 699
 700       case WM_NCRBUTTONDOWN:
 701           return NC_HandleNCRButtonDown( Wnd, wParam, lParam );
 702
 703       case WM_RBUTTONUP:
 704       {
 705             POINT Pt;
 706
 707             Pt.x = GET_X_LPARAM(lParam);
 708             Pt.y = GET_Y_LPARAM(lParam);
 709             IntClientToScreen(Wnd, &Pt);
 710             lParam = MAKELPARAM(Pt.x, Pt.y);
 711             co_IntSendMessage(UserHMGetHandle(Wnd), WM_CONTEXTMENU, (WPARAM)UserHMGetHandle(Wnd), lParam);
 712             break;
 713       }
 714
 715       case WM_NCRBUTTONUP:
 716           /*
 717            * FIXME : we must NOT send WM_CONTEXTMENU on a WM_NCRBUTTONUP (checked
 718            * in Windows), but what _should_ we do? According to MSDN :
 719            * "If it is appropriate to do so, the system sends the WM_SYSCOMMAND
 720            * message to the window". When is it appropriate?
 721            */
 722            ERR("WM_NCRBUTTONUP\n");
 723           break;
 724
 725       case WM_CONTEXTMENU:
 726       {
 727             if (Wnd->style & WS_CHILD)
 728             {
 729                 co_IntSendMessage(UserHMGetHandle(IntGetParent(Wnd)), Msg, wParam, lParam);
 730             }
 731             else
 732             {
 733                 POINT Pt;
 734                 LONG_PTR Style;
 735                 LONG HitCode;
 736
 737                 Style = Wnd->style;
 738
 739                 Pt.x = GET_X_LPARAM(lParam);
 740                 Pt.y = GET_Y_LPARAM(lParam);
 741                 if (Style & WS_CHILD)
 742                 {
 743                     IntScreenToClient(IntGetParent(Wnd), &Pt);
 744                 }
 745
 746                 HitCode = GetNCHitEx(Wnd, Pt);
 747
 748                 if (HitCode == HTCAPTION || HitCode == HTSYSMENU)
 749                 {
 750                     PMENU SystemMenu;
 751                     UINT Flags;
 752
 753                     if((SystemMenu = IntGetSystemMenu(Wnd, FALSE)))
 754                     {
 755                       MENU_InitSysMenuPopup(SystemMenu, Wnd->style, Wnd->pcls->style, HitCode);
 756
 757                       if(HitCode == HTCAPTION)
 758                         Flags = TPM_LEFTBUTTON | TPM_RIGHTBUTTON;
 759                       else
 760                         Flags = TPM_LEFTBUTTON;
 761
 762                       IntTrackPopupMenuEx(SystemMenu, Flags|TPM_SYSTEM_MENU, Pt.x, Pt.y, Wnd, NULL);
 763                     }
 764                 }
 765                 if (HitCode == HTHSCROLL || HitCode == HTVSCROLL)
 766                 {
 767                    WARN("Scroll Menu Not Supported\n");
 768                 }
 769             }
 770             break;
 771       }
 772
 773       case WM_KEYDOWN:
 774          if (wParam == VK_F10)
 775          {
 776             pti->MessageQueue->QF_flags |= QF_FF10STATUS;
 777
 778             if (UserGetKeyState(VK_SHIFT) & 0x8000)
 779             {
 780                co_IntSendMessage(UserHMGetHandle(Wnd), WM_CONTEXTMENU, (WPARAM)UserHMGetHandle(Wnd), MAKELPARAM(-1, -1));
 781             }
 782          }
 783          break;
 784
 785       case WM_SYSKEYDOWN:
 786       {
 787             if (HIWORD(lParam) & KF_ALTDOWN)
 788             {   /* Previous state, if the key was down before this message,
 789                    this is a cheap way to ignore autorepeat keys. */
 790                 if ( !(HIWORD(lParam) & KF_REPEAT) )
 791                 {
 792                    if ( ( wParam == VK_MENU  ||
 793                           wParam == VK_LMENU ||
 794                           wParam == VK_RMENU ) && !(pti->MessageQueue->QF_flags & QF_FMENUSTATUS)) //iMenuSysKey )
 795                        pti->MessageQueue->QF_flags |= QF_FMENUSTATUS; //iMenuSysKey = 1;
 796                    else
 797                        pti->MessageQueue->QF_flags &= ~QF_FMENUSTATUS; //iMenuSysKey = 0;
 798                 }
 799
 800                 pti->MessageQueue->QF_flags &= ~QF_FF10STATUS; //iF10Key = 0;
 801
 802                 if (wParam == VK_F4) /* Try to close the window */
 803                 {
 804                    PWND top = UserGetAncestor(Wnd, GA_ROOT);
 805                    if (!(top->style & CS_NOCLOSE))
 806                       UserPostMessage(UserHMGetHandle(top), WM_SYSCOMMAND, SC_CLOSE, 0);
 807                 }
 808                 else if (wParam == VK_SNAPSHOT) // Alt-VK_SNAPSHOT?
 809                 {
 810                    PWND pwnd = Wnd;
 811                    while (IntGetParent(pwnd) != NULL)
 812                    {
 813                        pwnd = IntGetParent(pwnd);
 814                    }
 815                    ERR("DefWndScreenshot\n");
 816                    DefWndScreenshot(pwnd);
 817                 }
 818                 else if ( wParam == VK_ESCAPE || wParam == VK_TAB ) // Alt-Tab/ESC Alt-Shift-Tab/ESC
 819                 {
 820                    WPARAM wParamTmp;
 821                    HWND Active = UserGetActiveWindow(); // Noticed MDI problem.
 822                    if (!Active)
 823                    {
 824                       FIXME("WM_SYSKEYDOWN VK_ESCAPE no active\n");
 825                       break;
 826                    }
 827                    wParamTmp = UserGetKeyState(VK_SHIFT) & 0x8000 ? SC_PREVWINDOW : SC_NEXTWINDOW;
 828                    co_IntSendMessage( Active, WM_SYSCOMMAND, wParamTmp, wParam );
 829                 }
 830             }
 831             else if( wParam == VK_F10 )
 832             {
 833                 if (UserGetKeyState(VK_SHIFT) & 0x8000)
 834                     co_IntSendMessage( UserHMGetHandle(Wnd), WM_CONTEXTMENU, (WPARAM)UserHMGetHandle(Wnd), MAKELPARAM(-1, -1) );
 835                 pti->MessageQueue->QF_flags |= QF_FF10STATUS; //iF10Key = 1;
 836             }
 837             else if( wParam == VK_ESCAPE && (UserGetKeyState(VK_SHIFT) & 0x8000))
 838                   co_IntSendMessage( UserHMGetHandle(Wnd), WM_SYSCOMMAND, SC_KEYMENU, ' ' );
 839             break;
 840       }
 841
 842       case WM_KEYUP:
 843       case WM_SYSKEYUP:
 844       {
 845            /* Press and release F10 or ALT */
 846             if (((wParam == VK_MENU || wParam == VK_LMENU || wParam == VK_RMENU)
 847                  && (pti->MessageQueue->QF_flags & (QF_FMENUSTATUS|QF_FMENUSTATUSBREAK)) == QF_FMENUSTATUS /*iMenuSysKey*/) ||
 848                  ((wParam == VK_F10) && pti->MessageQueue->QF_flags & QF_FF10STATUS /*iF10Key*/))
 849                 co_IntSendMessage( UserHMGetHandle(UserGetAncestor( Wnd, GA_ROOT )), WM_SYSCOMMAND, SC_KEYMENU, 0L );
 850             pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK|QF_FF10STATUS); //iMenuSysKey = iF10Key = 0;
 851             break;
 852       }
 853
 854       case WM_SYSCHAR:
 855       {
 856             pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK); //iMenuSysKey = 0;
 857             if (wParam == VK_RETURN && (Wnd->style & WS_MINIMIZE) != 0)
 858             {
 859                 UserPostMessage( UserHMGetHandle(Wnd), WM_SYSCOMMAND, SC_RESTORE, 0L );
 860                 break;
 861             }
 862             if ((HIWORD(lParam) & KF_ALTDOWN) && wParam)
 863             {
 864                 if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
 865                 if (wParam == VK_SPACE && Wnd->style & WS_CHILD)
 866                     co_IntSendMessage( UserHMGetHandle(IntGetParent(Wnd)), Msg, wParam, lParam );
 867                 else
 868                     co_IntSendMessage( UserHMGetHandle(Wnd), WM_SYSCOMMAND, SC_KEYMENU, wParam );
 869             }
 870             else /* check for Ctrl-Esc */
 871                 if (wParam != VK_ESCAPE) UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_MESSAGE_BEEP, 0); //MessageBeep(0);
 872             break;
 873       }
 874
 875       case WM_CANCELMODE:
 876       {
 877          pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK);
 878
 879          MENU_EndMenu( Wnd );
 880          if (IntGetCaptureWindow() == UserHMGetHandle(Wnd))
 881          {
 882             IntReleaseCapture();
 883          }
 884          break;
 885       }
 886
 887       case WM_CLOSE:
 888          co_UserDestroyWindow(Wnd);
 889          break;
 890
 891       case WM_CTLCOLORMSGBOX:
 892       case WM_CTLCOLOREDIT:
 893       case WM_CTLCOLORLISTBOX:
 894       case WM_CTLCOLORBTN:
 895       case WM_CTLCOLORDLG:
 896       case WM_CTLCOLORSTATIC:
 897       case WM_CTLCOLORSCROLLBAR:
 898            return (LRESULT) DefWndControlColor((HDC)wParam, Msg - WM_CTLCOLORMSGBOX);
 899
 900       case WM_CTLCOLOR:
 901            return (LRESULT) DefWndControlColor((HDC)wParam, HIWORD(lParam));
 902
 903       case WM_SETCURSOR:
 904       {
 905          if (Wnd->style & WS_CHILD)
 906          {
 907              /* with the exception of the border around a resizable wnd,
 908               * give the parent first chance to set the cursor */
 909              if (LOWORD(lParam) < HTLEFT || LOWORD(lParam) > HTBOTTOMRIGHT)
 910              {
 911                  PWND parent = Wnd->spwndParent;//IntGetParent( Wnd );
 912                  if (parent != UserGetDesktopWindow() &&
 913                      co_IntSendMessage( UserHMGetHandle(parent), WM_SETCURSOR, wParam, lParam))
 914                     return TRUE;
 915              }
 916          }
 917          return DefWndHandleSetCursor(Wnd, wParam, lParam);
 918       }
 919
 920       case WM_MOUSEACTIVATE:
 921          if (Wnd->style & WS_CHILD)
 922          {
 923              LONG Ret;
 924              HWND hwndParent;
 925              PWND pwndParent = IntGetParent(Wnd);
 926              hwndParent = pwndParent ? UserHMGetHandle(pwndParent) : NULL;
 927              if (hwndParent) Ret = co_IntSendMessage(hwndParent, WM_MOUSEACTIVATE, wParam, lParam);
 928              if (Ret) return (Ret);
 929          }
 930          return ( (HIWORD(lParam) == WM_LBUTTONDOWN && LOWORD(lParam) == HTCAPTION) ? MA_NOACTIVATE : MA_ACTIVATE );
 931
 932       case WM_ACTIVATE:
 933        /* The default action in Windows is to set the keyboard focus to
 934         * the window, if it's being activated and not minimized */
 935          if (LOWORD(wParam) != WA_INACTIVE &&
 936               !(Wnd->style & WS_MINIMIZE))
 937          {
 938             //ERR("WM_ACTIVATE %p\n",hWnd);
 939             co_UserSetFocus(Wnd);
 940          }
 941          break;
 942
 943       case WM_MOUSEWHEEL:
 944          if (Wnd->style & WS_CHILD)
 945          {
 946             HWND hwndParent;
 947             PWND pwndParent = IntGetParent(Wnd);
 948             hwndParent = pwndParent ? UserHMGetHandle(pwndParent) : NULL;
 949             return co_IntSendMessage( hwndParent, WM_MOUSEWHEEL, wParam, lParam);
 950          }
 951          break;
 952
 953       case WM_ERASEBKGND:
 954       case WM_ICONERASEBKGND:
 955       {
 956          RECT Rect;
 957          HBRUSH hBrush = Wnd->pcls->hbrBackground;
 958          if (!hBrush) return 0;
 959          if (hBrush <= (HBRUSH)COLOR_MENUBAR)
 960          {
 961             hBrush = IntGetSysColorBrush((INT)hBrush);
 962          }
 963          if (Wnd->pcls->style & CS_PARENTDC)
 964          {
 965             /* can't use GetClipBox with a parent DC or we fill the whole parent */
 966             IntGetClientRect(Wnd, &Rect);
 967             GreDPtoLP((HDC)wParam, (LPPOINT)&Rect, 2);
 968          }
 969          else
 970          {
 971             GdiGetClipBox((HDC)wParam, &Rect);
 972          }
 973          FillRect((HDC)wParam, &Rect, hBrush);
 974          return (1);
 975       }
 976
 977       case WM_GETHOTKEY:
 978          //ERR("WM_GETHOTKEY\n");
 979          return DefWndGetHotKey(Wnd);
 980       case WM_SETHOTKEY:
 981          //ERR("WM_SETHOTKEY\n");
 982          return DefWndSetHotKey(Wnd, wParam);
 983
 984       case WM_NCHITTEST:
 985       {
 986          POINT Point;
 987          Point.x = GET_X_LPARAM(lParam);
 988          Point.y = GET_Y_LPARAM(lParam);
 989          return GetNCHitEx(Wnd, Point);
 990       }
 991
 992       case WM_PRINT:
 993       {
 994          DefWndPrint(Wnd, (HDC)wParam, lParam);
 995          return (0);
 996       }
 997
 998       case WM_SYSCOLORCHANGE:
 999       {
1000          /* force to redraw non-client area */
1001          UserPaintCaption(Wnd, DC_NC);
1002          /* Use InvalidateRect to redraw client area, enable
1003           * erase to redraw all subcontrols otherwise send the
1004           * WM_SYSCOLORCHANGE to child windows/controls is required
1005           */
1006          co_UserRedrawWindow( Wnd, NULL, NULL, RDW_ALLCHILDREN|RDW_INVALIDATE|RDW_ERASE);
1007          return (0);
1008       }
1009
1010       case WM_PAINTICON:
1011       case WM_PAINT:
1012       {
1013          PAINTSTRUCT Ps;
1014          HDC hDC;
1015
1016          /* If already in Paint and Client area is not empty just return. */
1017          if (Wnd->state2 & WNDS2_STARTPAINT && !RECTL_bIsEmptyRect(&Wnd->rcClient))
1018          {
1019             ERR("In Paint and Client area is not empty!\n");
1020             return 0;
1021          }
1022
1023          hDC = IntBeginPaint(Wnd, &Ps);
1024          if (hDC)
1025          {
1026              if (((Wnd->style & WS_MINIMIZE) != 0) && (Wnd->pcls->spicn))
1027              {
1028                  RECT ClientRect;
1029                  INT x, y;
1030
1031                  ERR("Doing Paint and Client area is empty!\n");
1032                  IntGetClientRect(Wnd, &ClientRect);
1033                  x = (ClientRect.right - ClientRect.left - UserGetSystemMetrics(SM_CXICON)) / 2;
1034                  y = (ClientRect.bottom - ClientRect.top - UserGetSystemMetrics(SM_CYICON)) / 2;
1035                  UserReferenceObject(Wnd->pcls->spicn);
1036                  UserDrawIconEx(hDC, x, y, Wnd->pcls->spicn, 0, 0, 0, 0, DI_NORMAL | DI_COMPAT | DI_DEFAULTSIZE);
1037                  UserDereferenceObject(Wnd->pcls->spicn);
1038              }
1039
1040              IntEndPaint(Wnd, &Ps);
1041          }
1042          return (0);
1043       }
1044
1045       case WM_SYNCPAINT:
1046       {
1047          HRGN hRgn;
1048          Wnd->state &= ~WNDS_SYNCPAINTPENDING;
1049          TRACE("WM_SYNCPAINT\n");
1050          hRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
1051          if (hRgn)
1052          {
1053              if (co_UserGetUpdateRgn(Wnd, hRgn, FALSE) != NULLREGION)
1054              {
1055                 PREGION pRgn = REGION_LockRgn(hRgn);
1056                 if (pRgn) REGION_UnlockRgn(pRgn);
1057                 if (!wParam)
1058                     wParam = (RDW_ERASENOW | RDW_ERASE | RDW_FRAME | RDW_ALLCHILDREN);
1059                 co_UserRedrawWindow(Wnd, NULL, pRgn, wParam);
1060              }
1061              GreDeleteObject(hRgn);
1062          }
1063          return 0;
1064       }
1065
1066       case WM_SETREDRAW:
1067           if (wParam)
1068           {
1069              if (!(Wnd->style & WS_VISIBLE))
1070              {
1071                 IntSetStyle( Wnd, WS_VISIBLE, 0 );
1072                 Wnd->state |= WNDS_SENDNCPAINT;
1073              }
1074           }
1075           else
1076           {
1077              if (Wnd->style & WS_VISIBLE)
1078              {
1079                 co_UserRedrawWindow( Wnd, NULL, NULL, RDW_ALLCHILDREN | RDW_VALIDATE );
1080                 IntSetStyle( Wnd, 0, WS_VISIBLE );
1081              }
1082           }
1083           return 0;
1084
1085       case WM_WINDOWPOSCHANGING:
1086       {
1087           return (DefWndHandleWindowPosChanging(Wnd, (WINDOWPOS*)lParam));
1088       }
1089
1090       case WM_WINDOWPOSCHANGED:
1091       {
1092           return (DefWndHandleWindowPosChanged(Wnd, (WINDOWPOS*)lParam));
1093       }
1094
1095       case WM_NCCALCSIZE:
1096       {
1097          return NC_HandleNCCalcSize( Wnd, wParam, (RECTL *)lParam );
1098       }
1099
1100       case WM_NCACTIVATE:
1101       {
1102           return NC_HandleNCActivate( Wnd, wParam, lParam );
1103       }
1104
1105       //
1106       // NC Paint mode.
1107       //
1108       case WM_NCPAINT:
1109       {
1110           HDC hDC = UserGetDCEx(Wnd, (HRGN)wParam, DCX_WINDOW | DCX_INTERSECTRGN | DCX_USESTYLE | DCX_KEEPCLIPRGN);
1111           Wnd->state |= WNDS_FORCEMENUDRAW;
1112           NC_DoNCPaint(Wnd, hDC, -1);
1113           Wnd->state &= ~WNDS_FORCEMENUDRAW;
1114           UserReleaseDC(Wnd, hDC, FALSE);
1115           return 0;
1116       }
1117       //
1118       //  Draw Caption mode.
1119       //
1120       //  wParam are DC_* flags.
1121       //
1122       case WM_NCUAHDRAWCAPTION:
1123       {
1124           HDC hDC = UserGetDCEx(Wnd, NULL, DCX_WINDOW|DCX_USESTYLE);
1125           TRACE("WM_NCUAHDRAWCAPTION: wParam DC_ flags %08x\n",wParam);
1126           UserDrawCaptionBar(Wnd, hDC, wParam|DC_FRAME); // Include DC_FRAME to comp for drawing glich.
1127           UserReleaseDC(Wnd, hDC, FALSE);
1128           return 0;
1129       }
1130       //
1131       //  Draw Frame mode.
1132       //
1133       //  wParam is HDC, lParam are DC_ACTIVE and or DC_REDRAWHUNGWND.
1134       //
1135       case WM_NCUAHDRAWFRAME:
1136       {
1137           TRACE("WM_NCUAHDRAWFRAME: wParam hDC %p lParam DC_ flags %08x\n",wParam,lParam);
1138           NC_DoNCPaint(Wnd, (HDC)wParam, lParam|DC_NC);
1139           return 0;
1140       }
1141
1142       /* ReactOS only. */
1143       case WM_CBT:
1144       {
1145          switch (wParam)
1146          {
1147             case HCBT_MOVESIZE:
1148             {
1149                RECTL rt;
1150
1151                if (lParam)
1152                {
1153                   _SEH2_TRY
1154                   {
1155                       ProbeForRead((PVOID)lParam,
1156                                    sizeof(RECT),
1157                                    1);
1158
1159                       RtlCopyMemory(&rt,
1160                                     (PVOID)lParam,
1161                                     sizeof(RECT));
1162                   }
1163                   _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1164                   {
1165                       lResult = 1;
1166                   }
1167                   _SEH2_END;
1168                }
1169                if (!lResult)
1170                   lResult = co_HOOK_CallHooks(WH_CBT, HCBT_MOVESIZE, (WPARAM)Wnd->head.h, lParam ? (LPARAM)&rt : 0);
1171            }
1172             break;
1173          }
1174          break;
1175       }
1176       break;
1177    }
1178    return lResult;
1179 }
1180
1181 /* EOF */