git.oblomov.eu Git - wine/blob - windows/defwnd.c

   1 /*
   2  * Default window procedure
   3  *
   4  * Copyright 1993, 1996 Alexandre Julliard
   5  *           1995 Alex Korobka
   6  */
   7
   8 #include <string.h>
   9
  10 #include "win.h"
  11 #include "user.h"
  12 #include "heap.h"
  13 #include "nonclient.h"
  14 #include "winpos.h"
  15 #include "dce.h"
  16 #include "debug.h"
  17 #include "spy.h"
  18 #include "tweak.h"
  19 #include "cache.h"
  20 #include "wine/winuser16.h"
  21
  22 DEFAULT_DEBUG_CHANNEL(win)
  23
  24   /* Last COLOR id */
  25 #define COLOR_MAX   COLOR_BTNHIGHLIGHT
  26
  27   /* bits in the dwKeyData */
  28 #define KEYDATA_ALT             0x2000
  29 #define KEYDATA_PREVSTATE       0x4000
  30
  31 static short iF10Key = 0;
  32 static short iMenuSysKey = 0;
  33
  34 /***********************************************************************
  35  *           DEFWND_HandleWindowPosChanged
  36  *
  37  * Handle the WM_WINDOWPOSCHANGED message.
  38  */
  39 static void DEFWND_HandleWindowPosChanged( WND *wndPtr, UINT flags )
  40 {
  41     WPARAM16 wp = SIZE_RESTORED;
  42
  43     if (!(flags & SWP_NOCLIENTMOVE))
  44         SendMessage16( wndPtr->hwndSelf, WM_MOVE, 0,
  45                     MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top));
  46     if (!(flags & SWP_NOCLIENTSIZE))
  47     {
  48         if (wndPtr->dwStyle & WS_MAXIMIZE) wp = SIZE_MAXIMIZED;
  49         else if (wndPtr->dwStyle & WS_MINIMIZE) wp = SIZE_MINIMIZED;
  50
  51         SendMessage16( wndPtr->hwndSelf, WM_SIZE, wp,
  52                      MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
  53                             wndPtr->rectClient.bottom-wndPtr->rectClient.top));
  54     }
  55 }
  56
  57
  58 /***********************************************************************
  59  *           DEFWND_SetText
  60  *
  61  * Set the window text.
  62  */
  63 void DEFWND_SetText( WND *wndPtr, LPCSTR text )
  64 {
  65     if (!text) text = "";
  66     if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
  67     wndPtr->text = HEAP_strdupA( SystemHeap, 0, text );
  68     wndPtr->pDriver->pSetText(wndPtr, wndPtr->text);
  69 }
  70
  71 /***********************************************************************
  72  *           DEFWND_ControlColor
  73  *
  74  * Default colors for control painting.
  75  */
  76 HBRUSH DEFWND_ControlColor( HDC hDC, UINT16 ctlType )
  77 {
  78     if( ctlType == CTLCOLOR_SCROLLBAR)
  79     {
  80         HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
  81         if (TWEAK_WineLook == WIN31_LOOK) {
  82            SetTextColor( hDC, RGB(0, 0, 0) );
  83            SetBkColor( hDC, RGB(255, 255, 255) );
  84         } else {
  85            COLORREF bk = GetSysColor(COLOR_3DHILIGHT);
  86            SetTextColor( hDC, GetSysColor(COLOR_3DFACE));
  87            SetBkColor( hDC, bk);
  88
  89            /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
  90             * we better use 0x55aa bitmap brush to make scrollbar's background
  91             * look different from the window background.
  92             */
  93            if (bk == GetSysColor(COLOR_WINDOW)) {
  94                return CACHE_GetPattern55AABrush();
  95            }
  96         }
  97         UnrealizeObject( hb );
  98         return hb;
  99     }
 100
 101     SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
 102
 103     if (TWEAK_WineLook > WIN31_LOOK) {
 104         if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
 105             SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
 106         else {
 107             SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
 108             return GetSysColorBrush(COLOR_3DFACE);
 109         }
 110     }
 111     else
 112         SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
 113     return GetSysColorBrush(COLOR_WINDOW);
 114 }
 115
 116
 117 /***********************************************************************
 118  *           DEFWND_SetRedraw
 119  */
 120 static void DEFWND_SetRedraw( WND* wndPtr, WPARAM wParam )
 121 {
 122     BOOL bVisible = wndPtr->dwStyle & WS_VISIBLE;
 123
 124     TRACE(win,"%04x %i\n", wndPtr->hwndSelf, (wParam!=0) );
 125
 126     if( wParam )
 127     {
 128         if( !bVisible )
 129         {
 130             wndPtr->dwStyle |= WS_VISIBLE;
 131             DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 132         }
 133     }
 134     else if( bVisible )
 135     {
 136         if( wndPtr->dwStyle & WS_MINIMIZE ) wParam = RDW_VALIDATE;
 137         else wParam = RDW_ALLCHILDREN | RDW_VALIDATE;
 138
 139         PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, wParam, 0 );
 140         DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 141         wndPtr->dwStyle &= ~WS_VISIBLE;
 142     }
 143 }
 144
 145 /***********************************************************************
 146  *           DEFWND_Print
 147  *
 148  * This method handles the default behavior for the WM_PRINT message.
 149  */
 150 static void DEFWND_Print(
 151   WND*  wndPtr,
 152   HDC   hdc,
 153   ULONG uFlags)
 154 {
 155   /*
 156    * Visibility flag.
 157    */
 158   if ( (uFlags & PRF_CHECKVISIBLE) &&
 159        !IsWindowVisible(wndPtr->hwndSelf) )
 160       return;
 161
 162   /*
 163    * Unimplemented flags.
 164    */
 165   if ( (uFlags & PRF_CHILDREN) ||
 166        (uFlags & PRF_OWNED)    ||
 167        (uFlags & PRF_NONCLIENT) )
 168   {
 169     WARN(win,"WM_PRINT message with unsupported flags\n");
 170   }
 171
 172   /*
 173    * Background
 174    */
 175   if ( uFlags & PRF_ERASEBKGND)
 176     SendMessageA(wndPtr->hwndSelf, WM_ERASEBKGND, (WPARAM)hdc, 0);
 177
 178   /*
 179    * Client area
 180    */
 181   if ( uFlags & PRF_CLIENT)
 182     SendMessageA(wndPtr->hwndSelf, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
 183 }
 184
 185 /***********************************************************************
 186  *           DEFWND_DefWinProc
 187  *
 188  * Default window procedure for messages that are the same in Win16 and Win32.
 189  */
 190 static LRESULT DEFWND_DefWinProc( WND *wndPtr, UINT msg, WPARAM wParam,
 191                                   LPARAM lParam )
 192 {
 193     switch(msg)
 194     {
 195     case WM_NCPAINT:
 196         return NC_HandleNCPaint( wndPtr->hwndSelf, (HRGN)wParam );
 197
 198     case WM_NCHITTEST:
 199         return NC_HandleNCHitTest( wndPtr->hwndSelf, MAKEPOINT16(lParam) );
 200
 201     case WM_NCLBUTTONDOWN:
 202         return NC_HandleNCLButtonDown( wndPtr, wParam, lParam );
 203
 204     case WM_LBUTTONDBLCLK:
 205     case WM_NCLBUTTONDBLCLK:
 206         return NC_HandleNCLButtonDblClk( wndPtr, wParam, lParam );
 207
 208     case WM_RBUTTONDOWN:
 209     case WM_NCRBUTTONDOWN:
 210         if ((wndPtr->flags & WIN_ISWIN32) || (TWEAK_WineLook > WIN31_LOOK))
 211         {
 212             ClientToScreen16(wndPtr->hwndSelf, (LPPOINT16)&lParam);
 213             SendMessageA( wndPtr->hwndSelf, WM_CONTEXTMENU,
 214                             wndPtr->hwndSelf, lParam);
 215         }
 216         break;
 217
 218     case WM_CONTEXTMENU:
 219         if( wndPtr->dwStyle & WS_CHILD )
 220             SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 221         else
 222           if (wndPtr->hSysMenu)
 223           { /*
 224             TrackPopupMenu32(wndPtr->hSysMenu,TPM_LEFTALIGN | TPM_RETURNCMD,LOWORD(lParam),HIWORD(lParam),0,wndPtr->hwndSelf,NULL);
 225             DestroyMenu32(wndPtr->hSysMenu);
 226             */
 227             FIXME(win,"Display default popup menu\n");
 228           /* Track system popup if click was in the caption area. */
 229           }
 230         break;
 231
 232     case WM_NCACTIVATE:
 233         return NC_HandleNCActivate( wndPtr, wParam );
 234
 235     case WM_NCDESTROY:
 236         if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
 237         wndPtr->text = NULL;
 238         if (wndPtr->pVScroll) HeapFree( SystemHeap, 0, wndPtr->pVScroll );
 239         if (wndPtr->pHScroll) HeapFree( SystemHeap, 0, wndPtr->pHScroll );
 240         wndPtr->pVScroll = wndPtr->pHScroll = NULL;
 241         return 0;
 242
 243     case WM_PRINT:
 244         DEFWND_Print(wndPtr, (HDC)wParam, lParam);
 245         return 0;
 246
 247     case WM_PAINTICON:
 248     case WM_PAINT:
 249         {
 250             PAINTSTRUCT16 ps;
 251             HDC16 hdc = BeginPaint16( wndPtr->hwndSelf, &ps );
 252             if( hdc )
 253             {
 254               if( (wndPtr->dwStyle & WS_MINIMIZE) && wndPtr->class->hIcon )
 255               {
 256                 int x = (wndPtr->rectWindow.right - wndPtr->rectWindow.left -
 257                         GetSystemMetrics(SM_CXICON))/2;
 258                 int y = (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top -
 259                         GetSystemMetrics(SM_CYICON))/2;
 260                 TRACE(win,"Painting class icon: vis rect=(%i,%i - %i,%i)\n",
 261                 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
 262                 DrawIcon( hdc, x, y, wndPtr->class->hIcon );
 263               }
 264               EndPaint16( wndPtr->hwndSelf, &ps );
 265             }
 266             return 0;
 267         }
 268
 269     case WM_SETREDRAW:
 270         DEFWND_SetRedraw( wndPtr, wParam );
 271         return 0;
 272
 273     case WM_CLOSE:
 274         DestroyWindow( wndPtr->hwndSelf );
 275         return 0;
 276
 277     case WM_MOUSEACTIVATE:
 278         if (wndPtr->dwStyle & WS_CHILD)
 279         {
 280             LONG ret = SendMessage16( wndPtr->parent->hwndSelf,
 281                                       WM_MOUSEACTIVATE, wParam, lParam );
 282             if (ret) return ret;
 283         }
 284
 285         /* Caption clicks are handled by the NC_HandleNCLButtonDown() */
 286         return (LOWORD(lParam) == HTCAPTION) ? MA_NOACTIVATE : MA_ACTIVATE;
 287
 288     case WM_ACTIVATE:
 289         /* The default action in Windows is to set the keyboard focus to
 290          * the window, if it's being activated and not minimized */
 291         if (LOWORD(wParam) != WA_INACTIVE) {
 292                 /* I don't know who put this SetWindowPos here, it does not
 293                  * seem very logical to have it here... (FIXME?) */
 294                 SetWindowPos(wndPtr->hwndSelf, HWND_TOP, 0, 0, 0, 0,
 295                          SWP_NOMOVE | SWP_NOSIZE);
 296                 if (!(wndPtr->dwStyle & WS_MINIMIZE))
 297                         SetFocus(wndPtr->hwndSelf);
 298         }
 299         break;
 300
 301     case WM_ERASEBKGND:
 302     case WM_ICONERASEBKGND:
 303         {
 304             if (!wndPtr->class->hbrBackground) return 0;
 305
 306             if (wndPtr->class->hbrBackground <= (HBRUSH16)(COLOR_MAX+1))
 307             {
 308                 HBRUSH hbrush = CreateSolidBrush(
 309                        GetSysColor(((DWORD)wndPtr->class->hbrBackground)-1));
 310                  FillWindow16( GetParent16(wndPtr->hwndSelf), wndPtr->hwndSelf,
 311                              (HDC16)wParam, hbrush);
 312                  DeleteObject( hbrush );
 313             }
 314             else FillWindow16( GetParent16(wndPtr->hwndSelf), wndPtr->hwndSelf,
 315                              (HDC16)wParam, wndPtr->class->hbrBackground );
 316             return 1;
 317         }
 318
 319     case WM_GETDLGCODE:
 320         return 0;
 321
 322     case WM_CTLCOLORMSGBOX:
 323     case WM_CTLCOLOREDIT:
 324     case WM_CTLCOLORLISTBOX:
 325     case WM_CTLCOLORBTN:
 326     case WM_CTLCOLORDLG:
 327     case WM_CTLCOLORSTATIC:
 328     case WM_CTLCOLORSCROLLBAR:
 329         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
 330
 331     case WM_CTLCOLOR:
 332         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
 333
 334     case WM_GETTEXTLENGTH:
 335         if (wndPtr->text) return (LRESULT)strlen(wndPtr->text);
 336         return 0;
 337
 338     case WM_SETCURSOR:
 339         if (wndPtr->dwStyle & WS_CHILD)
 340             if (SendMessage16(wndPtr->parent->hwndSelf, WM_SETCURSOR,
 341                             wParam, lParam))
 342                 return TRUE;
 343         return NC_HandleSetCursor( wndPtr->hwndSelf, wParam, lParam );
 344
 345     case WM_SYSCOMMAND:
 346         return NC_HandleSysCommand( wndPtr->hwndSelf, wParam,
 347                                     MAKEPOINT16(lParam) );
 348
 349     case WM_KEYDOWN:
 350         if(wParam == VK_F10) iF10Key = VK_F10;
 351         break;
 352
 353     case WM_SYSKEYDOWN:
 354         if( HIWORD(lParam) & KEYDATA_ALT )
 355         {
 356             /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
 357               if( wParam == VK_MENU && !iMenuSysKey )
 358                 iMenuSysKey = 1;
 359               else
 360                 iMenuSysKey = 0;
 361
 362             iF10Key = 0;
 363
 364             if( wParam == VK_F4 )       /* try to close the window */
 365             {
 366                 HWND hWnd = WIN_GetTopParent( wndPtr->hwndSelf );
 367                 wndPtr = WIN_FindWndPtr( hWnd );
 368                 if( wndPtr && !(wndPtr->class->style & CS_NOCLOSE) )
 369                     PostMessage16( hWnd, WM_SYSCOMMAND, SC_CLOSE, 0 );
 370                 WIN_ReleaseWndPtr(wndPtr);
 371             }
 372         }
 373         else if( wParam == VK_F10 )
 374                 iF10Key = 1;
 375              else
 376                 if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
 377                     SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 378                                   (WPARAM16)SC_KEYMENU, (LPARAM)VK_SPACE);
 379         break;
 380
 381     case WM_KEYUP:
 382     case WM_SYSKEYUP:
 383         /* Press and release F10 or ALT */
 384         if (((wParam == VK_MENU) && iMenuSysKey) ||
 385             ((wParam == VK_F10) && iF10Key))
 386               SendMessage16( WIN_GetTopParent(wndPtr->hwndSelf),
 387                              WM_SYSCOMMAND, SC_KEYMENU, 0L );
 388         iMenuSysKey = iF10Key = 0;
 389         break;
 390
 391     case WM_SYSCHAR:
 392         iMenuSysKey = 0;
 393         if (wParam == VK_RETURN && (wndPtr->dwStyle & WS_MINIMIZE))
 394         {
 395             PostMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 396                            (WPARAM16)SC_RESTORE, 0L );
 397             break;
 398         }
 399         if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
 400         {
 401             if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
 402             if (wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD))
 403                 SendMessage16( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 404             else
 405                 SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 406                                (WPARAM16)SC_KEYMENU, (LPARAM)(DWORD)wParam );
 407         }
 408         else /* check for Ctrl-Esc */
 409             if (wParam != VK_ESCAPE) MessageBeep(0);
 410         break;
 411
 412     case WM_SHOWWINDOW:
 413         if (!lParam) return 0; /* sent from ShowWindow */
 414         if (!(wndPtr->dwStyle & WS_POPUP) || !wndPtr->owner) return 0;
 415         if ((wndPtr->dwStyle & WS_VISIBLE) && wParam) return 0;
 416         else if (!(wndPtr->dwStyle & WS_VISIBLE) && !wParam) return 0;
 417         ShowWindow( wndPtr->hwndSelf, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
 418         break;
 419
 420     case WM_CANCELMODE:
 421         if (wndPtr->parent == WIN_GetDesktop()) EndMenu();
 422         if (GetCapture() == wndPtr->hwndSelf) ReleaseCapture();
 423         WIN_ReleaseDesktop();
 424         break;
 425
 426     case WM_VKEYTOITEM:
 427     case WM_CHARTOITEM:
 428         return -1;
 429
 430     case WM_DROPOBJECT:
 431         return DRAG_FILE;
 432
 433     case WM_QUERYDROPOBJECT:
 434         if (wndPtr->dwExStyle & WS_EX_ACCEPTFILES) return 1;
 435         break;
 436
 437     case WM_QUERYDRAGICON:
 438         {
 439             HICON16 hIcon=0;
 440             UINT16 len;
 441
 442             if( (hIcon=wndPtr->class->hCursor) ) return (LRESULT)hIcon;
 443             for(len=1; len<64; len++)
 444                 if((hIcon=LoadIcon16(wndPtr->hInstance,MAKEINTRESOURCE16(len))))
 445                     return (LRESULT)hIcon;
 446             return (LRESULT)LoadIcon16(0,IDI_APPLICATION16);
 447         }
 448         break;
 449
 450     case WM_ISACTIVEICON:
 451         return ((wndPtr->flags & WIN_NCACTIVATED) != 0);
 452
 453     case WM_NOTIFYFORMAT:
 454       if (IsWindowUnicode(wndPtr->hwndSelf)) return NFR_UNICODE;
 455       else return NFR_ANSI;
 456
 457     case WM_QUERYOPEN:
 458     case WM_QUERYENDSESSION:
 459         return 1;
 460     }
 461     return 0;
 462 }
 463
 464
 465
 466 /***********************************************************************
 467  *           DefWindowProc16   (USER.107)
 468  */
 469 LRESULT WINAPI DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
 470                                 LPARAM lParam )
 471 {
 472     WND * wndPtr = WIN_FindWndPtr( hwnd );
 473     LRESULT result = 0;
 474
 475     if (!wndPtr) return 0;
 476     SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
 477
 478     switch(msg)
 479     {
 480     case WM_NCCREATE:
 481         {
 482             CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
 483             if (cs->lpszName)
 484                 DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(cs->lpszName) );
 485             result = 1;
 486         }
 487         break;
 488
 489     case WM_NCCALCSIZE:
 490         {
 491             RECT rect32;
 492             CONV_RECT16TO32( (RECT16 *)PTR_SEG_TO_LIN(lParam), &rect32 );
 493             result = NC_HandleNCCalcSize( wndPtr, &rect32 );
 494             CONV_RECT32TO16( &rect32, (RECT16 *)PTR_SEG_TO_LIN(lParam) );
 495         }
 496         break;
 497
 498     case WM_WINDOWPOSCHANGING:
 499         result = WINPOS_HandleWindowPosChanging16( wndPtr,
 500                                        (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam) );
 501         break;
 502
 503     case WM_WINDOWPOSCHANGED:
 504         {
 505             WINDOWPOS16 * winPos = (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam);
 506             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 507         }
 508         break;
 509
 510     case WM_GETTEXT:
 511         if (wParam && wndPtr->text)
 512         {
 513             lstrcpynA( (LPSTR)PTR_SEG_TO_LIN(lParam), wndPtr->text, wParam );
 514             result = (LRESULT)strlen( (LPSTR)PTR_SEG_TO_LIN(lParam) );
 515         }
 516         break;
 517
 518     case WM_SETTEXT:
 519         DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(lParam) );
 520         if( wndPtr->dwStyle & WS_CAPTION ) NC_HandleNCPaint( hwnd , (HRGN)1 );
 521         break;
 522
 523     default:
 524         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
 525         break;
 526     }
 527
 528     WIN_ReleaseWndPtr(wndPtr);
 529     SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result );
 530     return result;
 531 }
 532
 533
 534 /***********************************************************************
 535  *  DefWindowProc32A [USER32.126]
 536  *
 537  */
 538 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam,
 539                                  LPARAM lParam )
 540 {
 541     WND * wndPtr = WIN_FindWndPtr( hwnd );
 542     LRESULT result = 0;
 543
 544     if (!wndPtr) return 0;
 545     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 546
 547     switch(msg)
 548     {
 549     case WM_NCCREATE:
 550         {
 551             CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
 552             if (cs->lpszName) DEFWND_SetText( wndPtr, cs->lpszName );
 553             result = 1;
 554         }
 555         break;
 556
 557     case WM_NCCALCSIZE:
 558         result = NC_HandleNCCalcSize( wndPtr, (RECT *)lParam );
 559         break;
 560
 561     case WM_WINDOWPOSCHANGING:
 562         result = WINPOS_HandleWindowPosChanging( wndPtr,
 563                                                    (WINDOWPOS *)lParam );
 564         break;
 565
 566     case WM_WINDOWPOSCHANGED:
 567         {
 568             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 569             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 570         }
 571         break;
 572
 573     case WM_GETTEXT:
 574         if (wParam && wndPtr->text)
 575         {
 576             lstrcpynA( (LPSTR)lParam, wndPtr->text, wParam );
 577             result = (LRESULT)strlen( (LPSTR)lParam );
 578         }
 579         break;
 580
 581     case WM_SETTEXT:
 582         DEFWND_SetText( wndPtr, (LPSTR)lParam );
 583         NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 584         break;
 585
 586     default:
 587         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
 588         break;
 589     }
 590
 591     WIN_ReleaseWndPtr(wndPtr);
 592     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result );
 593     return result;
 594 }
 595
 596
 597 /***********************************************************************
 598  * DefWindowProc32W [USER32.127] Calls default window message handler
 599  *
 600  * Calls default window procedure for messages not processed
 601  *  by application.
 602  *
 603  *  RETURNS
 604  *     Return value is dependent upon the message.
 605 */
 606 LRESULT WINAPI DefWindowProcW(
 607     HWND hwnd,      /* [in] window procedure recieving message */
 608     UINT msg,       /* [in] message identifier */
 609     WPARAM wParam,  /* [in] first message parameter */
 610     LPARAM lParam )   /* [in] second message parameter */
 611 {
 612     LRESULT result;
 613
 614     switch(msg)
 615     {
 616     case WM_NCCREATE:
 617         {
 618             CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
 619             if (cs->lpszName)
 620             {
 621                 WND *wndPtr = WIN_FindWndPtr( hwnd );
 622                 LPSTR str = HEAP_strdupWtoA(GetProcessHeap(), 0, cs->lpszName);
 623                 DEFWND_SetText( wndPtr, str );
 624                 HeapFree( GetProcessHeap(), 0, str );
 625                 WIN_ReleaseWndPtr(wndPtr);
 626             }
 627             result = 1;
 628         }
 629         break;
 630
 631     case WM_GETTEXT:
 632         {
 633             LPSTR str = HeapAlloc( GetProcessHeap(), 0, wParam );
 634             result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)str );
 635             lstrcpynAtoW( (LPWSTR)lParam, str, wParam );
 636             HeapFree( GetProcessHeap(), 0, str );
 637         }
 638         break;
 639
 640     case WM_SETTEXT:
 641         {
 642             LPSTR str = HEAP_strdupWtoA( GetProcessHeap(), 0, (LPWSTR)lParam );
 643             result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)str );
 644             HeapFree( GetProcessHeap(), 0, str );
 645         }
 646         break;
 647
 648     default:
 649         result = DefWindowProcA( hwnd, msg, wParam, lParam );
 650         break;
 651     }
 652     return result;
 653 }