windows/defwnd.c

   1 /*
   2  * Default window procedure
   3  *
   4  * Copyright 1993, 1996 Alexandre Julliard
   5  *           1995 Alex Korobka
   6  */
   7
   8 #include <stdlib.h>
   9 #include "win.h"
  10 #include "user.h"
  11 #include "heap.h"
  12 #include "nonclient.h"
  13 #include "winpos.h"
  14 #include "dce.h"
  15 #include "sysmetrics.h"
  16 #include "debug.h"
  17 #include "spy.h"
  18 #include "tweak.h"
  19
  20   /* Last COLOR id */
  21 #define COLOR_MAX   COLOR_BTNHIGHLIGHT
  22
  23   /* bits in the dwKeyData */
  24 #define KEYDATA_ALT             0x2000
  25 #define KEYDATA_PREVSTATE       0x4000
  26
  27 static short iF10Key = 0;
  28 static short iMenuSysKey = 0;
  29
  30 /***********************************************************************
  31  *           DEFWND_HandleWindowPosChanged
  32  *
  33  * Handle the WM_WINDOWPOSCHANGED message.
  34  */
  35 static void DEFWND_HandleWindowPosChanged( WND *wndPtr, UINT32 flags )
  36 {
  37     WPARAM16 wp = SIZE_RESTORED;
  38
  39     if (!(flags & SWP_NOCLIENTMOVE))
  40         SendMessage16( wndPtr->hwndSelf, WM_MOVE, 0,
  41                     MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top));
  42     if (!(flags & SWP_NOCLIENTSIZE))
  43     {
  44         if (wndPtr->dwStyle & WS_MAXIMIZE) wp = SIZE_MAXIMIZED;
  45         else if (wndPtr->dwStyle & WS_MINIMIZE) wp = SIZE_MINIMIZED;
  46
  47         SendMessage16( wndPtr->hwndSelf, WM_SIZE, wp,
  48                      MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
  49                             wndPtr->rectClient.bottom-wndPtr->rectClient.top));
  50     }
  51 }
  52
  53
  54 /***********************************************************************
  55  *           DEFWND_SetText
  56  *
  57  * Set the window text.
  58  */
  59 void DEFWND_SetText( WND *wndPtr, LPCSTR text )
  60 {
  61     if (!text) text = "";
  62     if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
  63     wndPtr->text = HEAP_strdupA( SystemHeap, 0, text );
  64     if (wndPtr->window)
  65     {
  66         TSXStoreName( display, wndPtr->window, wndPtr->text );
  67         TSXSetIconName( display, wndPtr->window, wndPtr->text );
  68     }
  69 }
  70
  71 /***********************************************************************
  72  *           DEFWND_ControlColor
  73  *
  74  * Default colors for control painting.
  75  */
  76 HBRUSH32 DEFWND_ControlColor( HDC32 hDC, UINT16 ctlType )
  77 {
  78     if( ctlType == CTLCOLOR_SCROLLBAR)
  79     {
  80         HBRUSH32 hb = GetSysColorBrush32(COLOR_SCROLLBAR);
  81         SetBkColor32( hDC, RGB(255, 255, 255) );
  82         SetTextColor32( hDC, RGB(0, 0, 0) );
  83         UnrealizeObject32( hb );
  84         return hb;
  85     }
  86
  87     SetTextColor32( hDC, GetSysColor32(COLOR_WINDOWTEXT));
  88
  89     if (TWEAK_WineLook > WIN31_LOOK) {
  90         if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
  91             SetBkColor32( hDC, GetSysColor32(COLOR_WINDOW) );
  92         else {
  93             SetBkColor32( hDC, GetSysColor32(COLOR_3DFACE) );
  94             return GetSysColorBrush32(COLOR_3DFACE);
  95         }
  96     }
  97     else
  98         SetBkColor32( hDC, GetSysColor32(COLOR_WINDOW) );
  99     return GetSysColorBrush32(COLOR_WINDOW);
 100 }
 101
 102
 103 /***********************************************************************
 104  *           DEFWND_SetRedraw
 105  */
 106 static void DEFWND_SetRedraw( WND* wndPtr, WPARAM32 wParam )
 107 {
 108     BOOL32 bVisible = wndPtr->dwStyle & WS_VISIBLE;
 109
 110     TRACE(win,"%04x %i\n", wndPtr->hwndSelf, (wParam!=0) );
 111
 112     if( wParam )
 113     {
 114         if( !bVisible )
 115         {
 116             wndPtr->dwStyle |= WS_VISIBLE;
 117             DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 118         }
 119     }
 120     else if( bVisible )
 121     {
 122         if( wndPtr->dwStyle & WS_MINIMIZE ) wParam = RDW_VALIDATE;
 123         else wParam = RDW_ALLCHILDREN | RDW_VALIDATE;
 124
 125         PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, wParam, 0 );
 126         DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 127         wndPtr->dwStyle &= ~WS_VISIBLE;
 128     }
 129 }
 130
 131 /***********************************************************************
 132  *           DEFWND_DefWinProc
 133  *
 134  * Default window procedure for messages that are the same in Win16 and Win32.
 135  */
 136 static LRESULT DEFWND_DefWinProc( WND *wndPtr, UINT32 msg, WPARAM32 wParam,
 137                                   LPARAM lParam )
 138 {
 139     switch(msg)
 140     {
 141     case WM_NCPAINT:
 142         return NC_HandleNCPaint( wndPtr->hwndSelf, (HRGN32)wParam );
 143
 144     case WM_NCHITTEST:
 145         return NC_HandleNCHitTest( wndPtr->hwndSelf, MAKEPOINT16(lParam) );
 146
 147     case WM_NCLBUTTONDOWN:
 148         return NC_HandleNCLButtonDown( wndPtr, wParam, lParam );
 149
 150     case WM_LBUTTONDBLCLK:
 151     case WM_NCLBUTTONDBLCLK:
 152         return NC_HandleNCLButtonDblClk( wndPtr, wParam, lParam );
 153
 154     case WM_RBUTTONDOWN:
 155     case WM_NCRBUTTONDOWN:
 156         if ((wndPtr->flags & WIN_ISWIN32) || (TWEAK_WineLook > WIN31_LOOK))
 157         {
 158             ClientToScreen16(wndPtr->hwndSelf, (LPPOINT16)&lParam);
 159             SendMessage32A( wndPtr->hwndSelf, WM_CONTEXTMENU,
 160                             wndPtr->hwndSelf, lParam);
 161         }
 162         break;
 163
 164     case WM_CONTEXTMENU:
 165         if( wndPtr->dwStyle & WS_CHILD )
 166             SendMessage32A( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 167         else
 168           if (wndPtr->hSysMenu)
 169           { /*
 170             TrackPopupMenu32(wndPtr->hSysMenu,TPM_LEFTALIGN | TPM_RETURNCMD,LOWORD(lParam),HIWORD(lParam),0,wndPtr->hwndSelf,NULL);
 171             DestroyMenu32(wndPtr->hSysMenu);
 172             */
 173             FIXME(win,"Display default popup menu\n");
 174           /* Track system popup if click was in the caption area. */
 175           }
 176         break;
 177
 178     case WM_NCACTIVATE:
 179         return NC_HandleNCActivate( wndPtr, wParam );
 180
 181     case WM_NCDESTROY:
 182         if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
 183         wndPtr->text = NULL;
 184         if (wndPtr->pVScroll) HeapFree( SystemHeap, 0, wndPtr->pVScroll );
 185         if (wndPtr->pHScroll) HeapFree( SystemHeap, 0, wndPtr->pHScroll );
 186         wndPtr->pVScroll = wndPtr->pHScroll = NULL;
 187         return 0;
 188
 189     case WM_PAINTICON:
 190     case WM_PAINT:
 191         {
 192             PAINTSTRUCT16 ps;
 193             HDC16 hdc = BeginPaint16( wndPtr->hwndSelf, &ps );
 194             if( hdc )
 195             {
 196               if( (wndPtr->dwStyle & WS_MINIMIZE) && wndPtr->class->hIcon )
 197               {
 198                 int x = (wndPtr->rectWindow.right - wndPtr->rectWindow.left -
 199                         SYSMETRICS_CXICON)/2;
 200                 int y = (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top -
 201                         SYSMETRICS_CYICON)/2;
 202                 TRACE(win,"Painting class icon: vis rect=(%i,%i - %i,%i)\n",
 203                 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
 204                 DrawIcon32( hdc, x, y, wndPtr->class->hIcon );
 205               }
 206               EndPaint16( wndPtr->hwndSelf, &ps );
 207             }
 208             return 0;
 209         }
 210
 211     case WM_SETREDRAW:
 212         DEFWND_SetRedraw( wndPtr, wParam );
 213         return 0;
 214
 215     case WM_CLOSE:
 216         DestroyWindow32( wndPtr->hwndSelf );
 217         return 0;
 218
 219     case WM_MOUSEACTIVATE:
 220         if (wndPtr->dwStyle & WS_CHILD)
 221         {
 222             LONG ret = SendMessage16( wndPtr->parent->hwndSelf,
 223                                       WM_MOUSEACTIVATE, wParam, lParam );
 224             if (ret) return ret;
 225         }
 226
 227         /* Caption clicks are handled by the NC_HandleNCLButtonDown() */
 228         return (LOWORD(lParam) == HTCAPTION) ? MA_NOACTIVATE : MA_ACTIVATE;
 229
 230     case WM_ACTIVATE:
 231         if (LOWORD(wParam) != WA_INACTIVE) SetFocus32( wndPtr->hwndSelf );
 232         break;
 233
 234     case WM_ERASEBKGND:
 235     case WM_ICONERASEBKGND:
 236         {
 237             if (!wndPtr->class->hbrBackground) return 0;
 238
 239             if (wndPtr->class->hbrBackground <= (HBRUSH16)(COLOR_MAX+1))
 240             {
 241                 HBRUSH32 hbrush = CreateSolidBrush32(
 242                        GetSysColor32(((DWORD)wndPtr->class->hbrBackground)-1));
 243                  FillWindow( GetParent16(wndPtr->hwndSelf), wndPtr->hwndSelf,
 244                              (HDC16)wParam, hbrush);
 245                  DeleteObject32( hbrush );
 246             }
 247             else FillWindow( GetParent16(wndPtr->hwndSelf), wndPtr->hwndSelf,
 248                              (HDC16)wParam, wndPtr->class->hbrBackground );
 249             return 1;
 250         }
 251
 252     case WM_GETDLGCODE:
 253         return 0;
 254
 255     case WM_CTLCOLORMSGBOX:
 256     case WM_CTLCOLOREDIT:
 257     case WM_CTLCOLORLISTBOX:
 258     case WM_CTLCOLORBTN:
 259     case WM_CTLCOLORDLG:
 260     case WM_CTLCOLORSTATIC:
 261     case WM_CTLCOLORSCROLLBAR:
 262         return (LRESULT)DEFWND_ControlColor( (HDC32)wParam, msg - WM_CTLCOLORMSGBOX );
 263
 264     case WM_CTLCOLOR:
 265         return (LRESULT)DEFWND_ControlColor( (HDC32)wParam, HIWORD(lParam) );
 266
 267     case WM_GETTEXTLENGTH:
 268         if (wndPtr->text) return (LRESULT)strlen(wndPtr->text);
 269         return 0;
 270
 271     case WM_SETCURSOR:
 272         if (wndPtr->dwStyle & WS_CHILD)
 273             if (SendMessage16(wndPtr->parent->hwndSelf, WM_SETCURSOR,
 274                             wParam, lParam))
 275                 return TRUE;
 276         return NC_HandleSetCursor( wndPtr->hwndSelf, wParam, lParam );
 277
 278     case WM_SYSCOMMAND:
 279         return NC_HandleSysCommand( wndPtr->hwndSelf, wParam,
 280                                     MAKEPOINT16(lParam) );
 281
 282     case WM_KEYDOWN:
 283         if(wParam == VK_F10) iF10Key = VK_F10;
 284         break;
 285
 286     case WM_SYSKEYDOWN:
 287         if( HIWORD(lParam) & KEYDATA_ALT )
 288         {
 289             /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
 290               if( wParam == VK_MENU && !iMenuSysKey )
 291                 iMenuSysKey = 1;
 292               else
 293                 iMenuSysKey = 0;
 294
 295             iF10Key = 0;
 296
 297             if( wParam == VK_F4 )       /* try to close the window */
 298             {
 299                 HWND32 hWnd = WIN_GetTopParent( wndPtr->hwndSelf );
 300                 wndPtr = WIN_FindWndPtr( hWnd );
 301                 if( wndPtr && !(wndPtr->class->style & CS_NOCLOSE) )
 302                     PostMessage16( hWnd, WM_SYSCOMMAND, SC_CLOSE, 0 );
 303             }
 304         }
 305         else if( wParam == VK_F10 )
 306                 iF10Key = 1;
 307              else
 308                 if( wParam == VK_ESCAPE && (GetKeyState32(VK_SHIFT) & 0x8000))
 309                     SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 310                                   (WPARAM16)SC_KEYMENU, (LPARAM)VK_SPACE);
 311         break;
 312
 313     case WM_KEYUP:
 314     case WM_SYSKEYUP:
 315         /* Press and release F10 or ALT */
 316         if (((wParam == VK_MENU) && iMenuSysKey) ||
 317             ((wParam == VK_F10) && iF10Key))
 318               SendMessage16( WIN_GetTopParent(wndPtr->hwndSelf),
 319                              WM_SYSCOMMAND, SC_KEYMENU, 0L );
 320         iMenuSysKey = iF10Key = 0;
 321         break;
 322
 323     case WM_SYSCHAR:
 324         iMenuSysKey = 0;
 325         if (wParam == VK_RETURN && (wndPtr->dwStyle & WS_MINIMIZE))
 326         {
 327             PostMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 328                            (WPARAM16)SC_RESTORE, 0L );
 329             break;
 330         }
 331         if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
 332         {
 333             if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
 334             if (wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD))
 335                 SendMessage16( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 336             else
 337                 SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 338                                (WPARAM16)SC_KEYMENU, (LPARAM)(DWORD)wParam );
 339         }
 340         else /* check for Ctrl-Esc */
 341             if (wParam != VK_ESCAPE) MessageBeep32(0);
 342         break;
 343
 344     case WM_SHOWWINDOW:
 345         if (!lParam) return 0; /* sent from ShowWindow */
 346         if (!(wndPtr->dwStyle & WS_POPUP) || !wndPtr->owner) return 0;
 347         if ((wndPtr->dwStyle & WS_VISIBLE) && wParam) return 0;
 348         else if (!(wndPtr->dwStyle & WS_VISIBLE) && !wParam) return 0;
 349         ShowWindow32( wndPtr->hwndSelf, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
 350         break;
 351
 352     case WM_CANCELMODE:
 353         if (wndPtr->parent == WIN_GetDesktop()) EndMenu();
 354         if (GetCapture32() == wndPtr->hwndSelf) ReleaseCapture();
 355         break;
 356
 357     case WM_VKEYTOITEM:
 358     case WM_CHARTOITEM:
 359         return -1;
 360
 361     case WM_DROPOBJECT:
 362         return DRAG_FILE;
 363
 364     case WM_QUERYDROPOBJECT:
 365         if (wndPtr->dwExStyle & WS_EX_ACCEPTFILES) return 1;
 366         break;
 367
 368     case WM_QUERYDRAGICON:
 369         {
 370             HICON16 hIcon=0;
 371             UINT16 len;
 372
 373             if( (hIcon=wndPtr->class->hCursor) ) return (LRESULT)hIcon;
 374             for(len=1; len<64; len++)
 375                 if((hIcon=LoadIcon16(wndPtr->hInstance,MAKEINTRESOURCE16(len))))
 376                     return (LRESULT)hIcon;
 377             return (LRESULT)LoadIcon16(NULL,IDI_APPLICATION16);
 378         }
 379         break;
 380
 381     case WM_ISACTIVEICON:
 382         return ((wndPtr->flags & WIN_NCACTIVATED) != 0);
 383
 384     case WM_QUERYOPEN:
 385     case WM_QUERYENDSESSION:
 386         return 1;
 387     }
 388     return 0;
 389 }
 390
 391
 392
 393 /***********************************************************************
 394  *           DefWindowProc16   (USER.107)
 395  */
 396 LRESULT WINAPI DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
 397                                 LPARAM lParam )
 398 {
 399     WND * wndPtr = WIN_FindWndPtr( hwnd );
 400     LRESULT result = 0;
 401
 402     if (!wndPtr) return 0;
 403     SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
 404
 405     switch(msg)
 406     {
 407     case WM_NCCREATE:
 408         {
 409             CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
 410             if (cs->lpszName)
 411                 DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(cs->lpszName) );
 412             result = 1;
 413         }
 414         break;
 415
 416     case WM_NCCALCSIZE:
 417         {
 418             RECT32 rect32;
 419             CONV_RECT16TO32( (RECT16 *)PTR_SEG_TO_LIN(lParam), &rect32 );
 420             result = NC_HandleNCCalcSize( wndPtr, &rect32 );
 421             CONV_RECT32TO16( &rect32, (RECT16 *)PTR_SEG_TO_LIN(lParam) );
 422         }
 423         break;
 424
 425     case WM_WINDOWPOSCHANGING:
 426         result = WINPOS_HandleWindowPosChanging16( wndPtr,
 427                                        (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam) );
 428         break;
 429
 430     case WM_WINDOWPOSCHANGED:
 431         {
 432             WINDOWPOS16 * winPos = (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam);
 433             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 434         }
 435         break;
 436
 437     case WM_GETTEXT:
 438         if (wParam && wndPtr->text)
 439         {
 440             lstrcpyn32A( (LPSTR)PTR_SEG_TO_LIN(lParam), wndPtr->text, wParam );
 441             result = (LRESULT)strlen( (LPSTR)PTR_SEG_TO_LIN(lParam) );
 442         }
 443         break;
 444
 445     case WM_SETTEXT:
 446         DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(lParam) );
 447         if( wndPtr->dwStyle & WS_CAPTION ) NC_HandleNCPaint( hwnd , (HRGN32)1 );
 448         break;
 449
 450     default:
 451         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
 452         break;
 453     }
 454
 455     SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result );
 456     return result;
 457 }
 458
 459
 460 /***********************************************************************
 461  *  DefWindowProc32A [USER32.126]
 462  *
 463  */
 464 LRESULT WINAPI DefWindowProc32A( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
 465                                  LPARAM lParam )
 466 {
 467     WND * wndPtr = WIN_FindWndPtr( hwnd );
 468     LRESULT result = 0;
 469
 470     if (!wndPtr) return 0;
 471     SPY_EnterMessage( SPY_DEFWNDPROC32, hwnd, msg, wParam, lParam );
 472
 473     switch(msg)
 474     {
 475     case WM_NCCREATE:
 476         {
 477             CREATESTRUCT32A *cs = (CREATESTRUCT32A *)lParam;
 478             if (cs->lpszName) DEFWND_SetText( wndPtr, cs->lpszName );
 479             result = 1;
 480         }
 481         break;
 482
 483     case WM_NCCALCSIZE:
 484         result = NC_HandleNCCalcSize( wndPtr, (RECT32 *)lParam );
 485         break;
 486
 487     case WM_WINDOWPOSCHANGING:
 488         result = WINPOS_HandleWindowPosChanging32( wndPtr,
 489                                                    (WINDOWPOS32 *)lParam );
 490         break;
 491
 492     case WM_WINDOWPOSCHANGED:
 493         {
 494             WINDOWPOS32 * winPos = (WINDOWPOS32 *)lParam;
 495             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 496         }
 497         break;
 498
 499     case WM_GETTEXT:
 500         if (wParam && wndPtr->text)
 501         {
 502             lstrcpyn32A( (LPSTR)lParam, wndPtr->text, wParam );
 503             result = (LRESULT)strlen( (LPSTR)lParam );
 504         }
 505         break;
 506
 507     case WM_SETTEXT:
 508         DEFWND_SetText( wndPtr, (LPSTR)lParam );
 509         NC_HandleNCPaint( hwnd , (HRGN32)1 );  /* Repaint caption */
 510         break;
 511
 512     default:
 513         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
 514         break;
 515     }
 516
 517     SPY_ExitMessage( SPY_RESULT_DEFWND32, hwnd, msg, result );
 518     return result;
 519 }
 520
 521
 522 /***********************************************************************
 523  * DefWindowProc32W [USER32.127] Calls default window message handler
 524  *
 525  * Calls default window procedure for messages not processed
 526  *  by application.
 527  *
 528  *  RETURNS
 529  *     Return value is dependent upon the message.
 530 */
 531 LRESULT WINAPI DefWindowProc32W(
 532     HWND32 hwnd,      /* [in] window procedure recieving message */
 533     UINT32 msg,       /* [in] message identifier */
 534     WPARAM32 wParam,  /* [in] first message parameter */
 535     LPARAM lParam )   /* [in] second message parameter */
 536 {
 537     LRESULT result;
 538
 539     switch(msg)
 540     {
 541     case WM_NCCREATE:
 542         {
 543             CREATESTRUCT32W *cs = (CREATESTRUCT32W *)lParam;
 544             if (cs->lpszName)
 545             {
 546                 WND *wndPtr = WIN_FindWndPtr( hwnd );
 547                 LPSTR str = HEAP_strdupWtoA(GetProcessHeap(), 0, cs->lpszName);
 548                 DEFWND_SetText( wndPtr, str );
 549                 HeapFree( GetProcessHeap(), 0, str );
 550             }
 551             result = 1;
 552         }
 553         break;
 554
 555     case WM_GETTEXT:
 556         {
 557             LPSTR str = HeapAlloc( GetProcessHeap(), 0, wParam );
 558             result = DefWindowProc32A( hwnd, msg, wParam, (LPARAM)str );
 559             lstrcpynAtoW( (LPWSTR)lParam, str, wParam );
 560             HeapFree( GetProcessHeap(), 0, str );
 561         }
 562         break;
 563
 564     case WM_SETTEXT:
 565         {
 566             LPSTR str = HEAP_strdupWtoA( GetProcessHeap(), 0, (LPWSTR)lParam );
 567             result = DefWindowProc32A( hwnd, msg, wParam, (LPARAM)str );
 568             HeapFree( GetProcessHeap(), 0, str );
 569         }
 570         break;
 571
 572     default:
 573         result = DefWindowProc32A( hwnd, msg, wParam, lParam );
 574         break;
 575     }
 576     return result;
 577 }