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 "class.h"
  11 #include "win.h"
  12 #include "user.h"
  13 #include "heap.h"
  14 #include "nonclient.h"
  15 #include "winpos.h"
  16 #include "dce.h"
  17 #include "debugtools.h"
  18 #include "spy.h"
  19 #include "tweak.h"
  20 #include "cache.h"
  21 #include "windef.h"
  22 #include "wingdi.h"
  23 #include "winnls.h"
  24 #include "wine/unicode.h"
  25 #include "wine/winuser16.h"
  26
  27 DEFAULT_DEBUG_CHANNEL(win);
  28
  29   /* bits in the dwKeyData */
  30 #define KEYDATA_ALT             0x2000
  31 #define KEYDATA_PREVSTATE       0x4000
  32
  33 static short iF10Key = 0;
  34 static short iMenuSysKey = 0;
  35
  36 /***********************************************************************
  37  *           DEFWND_HandleWindowPosChanged
  38  *
  39  * Handle the WM_WINDOWPOSCHANGED message.
  40  */
  41 static void DEFWND_HandleWindowPosChanged( WND *wndPtr, UINT flags )
  42 {
  43     WPARAM16 wp = SIZE_RESTORED;
  44
  45     if (!(flags & SWP_NOCLIENTMOVE))
  46         SendMessage16( wndPtr->hwndSelf, WM_MOVE, 0,
  47                     MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top));
  48     if (!(flags & SWP_NOCLIENTSIZE))
  49     {
  50         if (wndPtr->dwStyle & WS_MAXIMIZE) wp = SIZE_MAXIMIZED;
  51         else if (wndPtr->dwStyle & WS_MINIMIZE) wp = SIZE_MINIMIZED;
  52
  53         SendMessage16( wndPtr->hwndSelf, WM_SIZE, wp,
  54                      MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
  55                             wndPtr->rectClient.bottom-wndPtr->rectClient.top));
  56     }
  57 }
  58
  59
  60 /***********************************************************************
  61  *           DEFWND_SetTextA
  62  *
  63  * Set the window text.
  64  */
  65 void DEFWND_SetTextA( WND *wndPtr, LPCSTR text )
  66 {
  67     int count;
  68
  69     if (!text) text = "";
  70     count = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 );
  71
  72     if (wndPtr->text) HeapFree(SystemHeap, 0, wndPtr->text);
  73     if ((wndPtr->text = HeapAlloc(SystemHeap, 0, count * sizeof(WCHAR))))
  74         MultiByteToWideChar( CP_ACP, 0, text, -1, wndPtr->text, count );
  75     else
  76         ERR("Not enough memory for window text");
  77
  78     wndPtr->pDriver->pSetText(wndPtr, wndPtr->text);
  79 }
  80
  81 /***********************************************************************
  82  *           DEFWND_SetTextW
  83  *
  84  * Set the window text.
  85  */
  86 void DEFWND_SetTextW( WND *wndPtr, LPCWSTR text )
  87 {
  88     static const WCHAR empty_string[] = {0};
  89     int count;
  90
  91     if (!text) text = empty_string;
  92     count = strlenW(text) + 1;
  93
  94     if (wndPtr->text) HeapFree(SystemHeap, 0, wndPtr->text);
  95     if ((wndPtr->text = HeapAlloc(SystemHeap, 0, count * sizeof(WCHAR))))
  96         lstrcpyW( wndPtr->text, text );
  97     else
  98         ERR("Not enough memory for window text");
  99
 100     wndPtr->pDriver->pSetText(wndPtr, wndPtr->text);
 101 }
 102
 103 /***********************************************************************
 104  *           DEFWND_ControlColor
 105  *
 106  * Default colors for control painting.
 107  */
 108 HBRUSH DEFWND_ControlColor( HDC hDC, UINT16 ctlType )
 109 {
 110     if( ctlType == CTLCOLOR_SCROLLBAR)
 111     {
 112         HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
 113         if (TWEAK_WineLook == WIN31_LOOK) {
 114            SetTextColor( hDC, RGB(0, 0, 0) );
 115            SetBkColor( hDC, RGB(255, 255, 255) );
 116         } else {
 117            COLORREF bk = GetSysColor(COLOR_3DHILIGHT);
 118            SetTextColor( hDC, GetSysColor(COLOR_3DFACE));
 119            SetBkColor( hDC, bk);
 120
 121            /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
 122             * we better use 0x55aa bitmap brush to make scrollbar's background
 123             * look different from the window background.
 124             */
 125            if (bk == GetSysColor(COLOR_WINDOW)) {
 126                return CACHE_GetPattern55AABrush();
 127            }
 128         }
 129         UnrealizeObject( hb );
 130         return hb;
 131     }
 132
 133     SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
 134
 135     if (TWEAK_WineLook > WIN31_LOOK) {
 136         if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
 137             SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
 138         else {
 139             SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
 140             return GetSysColorBrush(COLOR_3DFACE);
 141         }
 142     }
 143     else
 144         SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
 145     return GetSysColorBrush(COLOR_WINDOW);
 146 }
 147
 148
 149 /***********************************************************************
 150  *           DEFWND_SetRedraw
 151  */
 152 static void DEFWND_SetRedraw( WND* wndPtr, WPARAM wParam )
 153 {
 154     BOOL bVisible = wndPtr->dwStyle & WS_VISIBLE;
 155
 156     TRACE("%04x %i\n", wndPtr->hwndSelf, (wParam!=0) );
 157
 158     if( wParam )
 159     {
 160         if( !bVisible )
 161         {
 162             wndPtr->dwStyle |= WS_VISIBLE;
 163             DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 164         }
 165     }
 166     else if( bVisible )
 167     {
 168         if( wndPtr->dwStyle & WS_MINIMIZE ) wParam = RDW_VALIDATE;
 169         else wParam = RDW_ALLCHILDREN | RDW_VALIDATE;
 170
 171         PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, wParam, 0 );
 172         DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 173         wndPtr->dwStyle &= ~WS_VISIBLE;
 174     }
 175 }
 176
 177 /***********************************************************************
 178  *           DEFWND_Print
 179  *
 180  * This method handles the default behavior for the WM_PRINT message.
 181  */
 182 static void DEFWND_Print(
 183   WND*  wndPtr,
 184   HDC   hdc,
 185   ULONG uFlags)
 186 {
 187   /*
 188    * Visibility flag.
 189    */
 190   if ( (uFlags & PRF_CHECKVISIBLE) &&
 191        !IsWindowVisible(wndPtr->hwndSelf) )
 192       return;
 193
 194   /*
 195    * Unimplemented flags.
 196    */
 197   if ( (uFlags & PRF_CHILDREN) ||
 198        (uFlags & PRF_OWNED)    ||
 199        (uFlags & PRF_NONCLIENT) )
 200   {
 201     WARN("WM_PRINT message with unsupported flags\n");
 202   }
 203
 204   /*
 205    * Background
 206    */
 207   if ( uFlags & PRF_ERASEBKGND)
 208     SendMessageA(wndPtr->hwndSelf, WM_ERASEBKGND, (WPARAM)hdc, 0);
 209
 210   /*
 211    * Client area
 212    */
 213   if ( uFlags & PRF_CLIENT)
 214     SendMessageA(wndPtr->hwndSelf, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
 215 }
 216
 217 /***********************************************************************
 218  *           DEFWND_DefWinProc
 219  *
 220  * Default window procedure for messages that are the same in Win16 and Win32.
 221  */
 222 static LRESULT DEFWND_DefWinProc( WND *wndPtr, UINT msg, WPARAM wParam,
 223                                   LPARAM lParam )
 224 {
 225     switch(msg)
 226     {
 227     case WM_NCPAINT:
 228         return NC_HandleNCPaint( wndPtr->hwndSelf, (HRGN)wParam );
 229
 230     case WM_NCHITTEST:
 231         return NC_HandleNCHitTest( wndPtr->hwndSelf, MAKEPOINT16(lParam) );
 232
 233     case WM_NCLBUTTONDOWN:
 234         return NC_HandleNCLButtonDown( wndPtr, wParam, lParam );
 235
 236     case WM_LBUTTONDBLCLK:
 237     case WM_NCLBUTTONDBLCLK:
 238         return NC_HandleNCLButtonDblClk( wndPtr, wParam, lParam );
 239
 240     case WM_RBUTTONUP:
 241     case WM_NCRBUTTONUP:
 242         if ((wndPtr->flags & WIN_ISWIN32) || (TWEAK_WineLook > WIN31_LOOK))
 243         {
 244             ClientToScreen16(wndPtr->hwndSelf, (LPPOINT16)&lParam);
 245             SendMessageA( wndPtr->hwndSelf, WM_CONTEXTMENU,
 246                             wndPtr->hwndSelf, lParam);
 247         }
 248         break;
 249
 250     case WM_CONTEXTMENU:
 251         if( wndPtr->dwStyle & WS_CHILD )
 252             SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 253         else if (wndPtr->hSysMenu)
 254         {
 255             LONG hitcode;
 256             POINT16 pt = MAKEPOINT16(lParam);
 257
 258             ScreenToClient16(wndPtr->hwndSelf, &pt);
 259             hitcode = NC_HandleNCHitTest(wndPtr->hwndSelf, pt);
 260
 261             /* Track system popup if click was in the caption area. */
 262             if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
 263                 TrackPopupMenu(GetSystemMenu(wndPtr->hwndSelf, FALSE),
 264                                TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
 265                                pt.x, pt.y, 0, wndPtr->hwndSelf, NULL);
 266         }
 267         break;
 268
 269     case WM_NCACTIVATE:
 270         return NC_HandleNCActivate( wndPtr, wParam );
 271
 272     case WM_NCDESTROY:
 273         if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
 274         wndPtr->text = NULL;
 275         if (wndPtr->pVScroll) HeapFree( SystemHeap, 0, wndPtr->pVScroll );
 276         if (wndPtr->pHScroll) HeapFree( SystemHeap, 0, wndPtr->pHScroll );
 277         wndPtr->pVScroll = wndPtr->pHScroll = NULL;
 278         return 0;
 279
 280     case WM_PRINT:
 281         DEFWND_Print(wndPtr, (HDC)wParam, lParam);
 282         return 0;
 283
 284     case WM_PAINTICON:
 285     case WM_PAINT:
 286         {
 287             PAINTSTRUCT16 ps;
 288             HDC16 hdc = BeginPaint16( wndPtr->hwndSelf, &ps );
 289             if( hdc )
 290             {
 291               if( (wndPtr->dwStyle & WS_MINIMIZE) && wndPtr->class->hIcon )
 292               {
 293                 int x = (wndPtr->rectWindow.right - wndPtr->rectWindow.left -
 294                         GetSystemMetrics(SM_CXICON))/2;
 295                 int y = (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top -
 296                         GetSystemMetrics(SM_CYICON))/2;
 297                 TRACE("Painting class icon: vis rect=(%i,%i - %i,%i)\n",
 298                 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
 299                 DrawIcon( hdc, x, y, wndPtr->class->hIcon );
 300               }
 301               EndPaint16( wndPtr->hwndSelf, &ps );
 302             }
 303             return 0;
 304         }
 305
 306     case WM_SETREDRAW:
 307         DEFWND_SetRedraw( wndPtr, wParam );
 308         return 0;
 309
 310     case WM_CLOSE:
 311         DestroyWindow( wndPtr->hwndSelf );
 312         return 0;
 313
 314     case WM_MOUSEACTIVATE:
 315         if (wndPtr->dwStyle & WS_CHILD)
 316         {
 317             LONG ret = SendMessage16( wndPtr->parent->hwndSelf,
 318                                       WM_MOUSEACTIVATE, wParam, lParam );
 319             if (ret) return ret;
 320         }
 321
 322         /* Caption clicks are handled by the NC_HandleNCLButtonDown() */
 323         return (LOWORD(lParam) >= HTCLIENT) ? MA_ACTIVATE : MA_NOACTIVATE;
 324
 325     case WM_ACTIVATE:
 326         /* The default action in Windows is to set the keyboard focus to
 327          * the window, if it's being activated and not minimized */
 328         if (LOWORD(wParam) != WA_INACTIVE) {
 329                 if (!(wndPtr->dwStyle & WS_MINIMIZE))
 330                         SetFocus(wndPtr->hwndSelf);
 331         }
 332         break;
 333
 334     case WM_ERASEBKGND:
 335     case WM_ICONERASEBKGND:
 336         {
 337             RECT rect;
 338
 339             if (!wndPtr->class->hbrBackground) return 0;
 340
 341             /*  Since WM_ERASEBKGND may receive either a window dc or a    */
 342             /*  client dc, the area to be erased has to be retrieved from  */
 343             /*  the device context.                                        */
 344             GetClipBox( (HDC)wParam, &rect );
 345
 346             /* Always call the Win32 variant of FillRect even on Win16,
 347              * since despite the fact that Win16, as well as Win32,
 348              * supports special background brushes for a window class,
 349              * the Win16 variant of FillRect does not.
 350              */
 351             FillRect( (HDC) wParam, &rect, wndPtr->class->hbrBackground);
 352             return 1;
 353         }
 354
 355     case WM_GETDLGCODE:
 356         return 0;
 357
 358     case WM_CTLCOLORMSGBOX:
 359     case WM_CTLCOLOREDIT:
 360     case WM_CTLCOLORLISTBOX:
 361     case WM_CTLCOLORBTN:
 362     case WM_CTLCOLORDLG:
 363     case WM_CTLCOLORSTATIC:
 364     case WM_CTLCOLORSCROLLBAR:
 365         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
 366
 367     case WM_CTLCOLOR:
 368         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
 369
 370     case WM_GETTEXTLENGTH:
 371         if (wndPtr->text) return (LRESULT)strlenW(wndPtr->text);
 372         return 0;
 373
 374     case WM_SETCURSOR:
 375         if (wndPtr->dwStyle & WS_CHILD)
 376             if (SendMessage16(wndPtr->parent->hwndSelf, WM_SETCURSOR,
 377                             wParam, lParam))
 378                 return TRUE;
 379         return NC_HandleSetCursor( wndPtr->hwndSelf, wParam, lParam );
 380
 381     case WM_SYSCOMMAND:
 382         return NC_HandleSysCommand( wndPtr->hwndSelf, wParam,
 383                                     MAKEPOINT16(lParam) );
 384
 385     case WM_KEYDOWN:
 386         if(wParam == VK_F10) iF10Key = VK_F10;
 387         break;
 388
 389     case WM_SYSKEYDOWN:
 390         if( HIWORD(lParam) & KEYDATA_ALT )
 391         {
 392             /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
 393               if( wParam == VK_MENU && !iMenuSysKey )
 394                 iMenuSysKey = 1;
 395               else
 396                 iMenuSysKey = 0;
 397
 398             iF10Key = 0;
 399
 400             if( wParam == VK_F4 )       /* try to close the window */
 401             {
 402                 HWND hWnd = WIN_GetTopParent( wndPtr->hwndSelf );
 403                 wndPtr = WIN_FindWndPtr( hWnd );
 404                 if( wndPtr && !(wndPtr->class->style & CS_NOCLOSE) )
 405                     PostMessage16( hWnd, WM_SYSCOMMAND, SC_CLOSE, 0 );
 406                 WIN_ReleaseWndPtr(wndPtr);
 407             }
 408         }
 409         else if( wParam == VK_F10 )
 410                 iF10Key = 1;
 411              else
 412                 if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
 413                     SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 414                                   (WPARAM16)SC_KEYMENU, (LPARAM)VK_SPACE);
 415         break;
 416
 417     case WM_KEYUP:
 418     case WM_SYSKEYUP:
 419         /* Press and release F10 or ALT */
 420         if (((wParam == VK_MENU) && iMenuSysKey) ||
 421             ((wParam == VK_F10) && iF10Key))
 422               SendMessage16( WIN_GetTopParent(wndPtr->hwndSelf),
 423                              WM_SYSCOMMAND, SC_KEYMENU, 0L );
 424         iMenuSysKey = iF10Key = 0;
 425         break;
 426
 427     case WM_SYSCHAR:
 428         iMenuSysKey = 0;
 429         if (wParam == VK_RETURN && (wndPtr->dwStyle & WS_MINIMIZE))
 430         {
 431             PostMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 432                            (WPARAM16)SC_RESTORE, 0L );
 433             break;
 434         }
 435         if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
 436         {
 437             if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
 438             if (wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD))
 439                 SendMessage16( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 440             else
 441                 SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 442                                (WPARAM16)SC_KEYMENU, (LPARAM)(DWORD)wParam );
 443         }
 444         else /* check for Ctrl-Esc */
 445             if (wParam != VK_ESCAPE) MessageBeep(0);
 446         break;
 447
 448     case WM_SHOWWINDOW:
 449         if (!lParam) return 0; /* sent from ShowWindow */
 450         if (!(wndPtr->dwStyle & WS_POPUP) || !wndPtr->owner) return 0;
 451         if ((wndPtr->dwStyle & WS_VISIBLE) && wParam) return 0;
 452         else if (!(wndPtr->dwStyle & WS_VISIBLE) && !wParam) return 0;
 453         ShowWindow( wndPtr->hwndSelf, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
 454         break;
 455
 456     case WM_CANCELMODE:
 457         if (wndPtr->parent == WIN_GetDesktop()) EndMenu();
 458         if (GetCapture() == wndPtr->hwndSelf) ReleaseCapture();
 459         WIN_ReleaseDesktop();
 460         break;
 461
 462     case WM_VKEYTOITEM:
 463     case WM_CHARTOITEM:
 464         return -1;
 465
 466     case WM_DROPOBJECT:
 467         return DRAG_FILE;
 468
 469     case WM_QUERYDROPOBJECT:
 470         if (wndPtr->dwExStyle & WS_EX_ACCEPTFILES) return 1;
 471         break;
 472
 473     case WM_QUERYDRAGICON:
 474         {
 475             HICON16 hIcon=0;
 476             UINT16 len;
 477
 478             if( (hIcon=wndPtr->class->hCursor) ) return (LRESULT)hIcon;
 479             for(len=1; len<64; len++)
 480                 if((hIcon=LoadIcon16(wndPtr->hInstance,MAKEINTRESOURCE16(len))))
 481                     return (LRESULT)hIcon;
 482             return (LRESULT)LoadIcon16(0,IDI_APPLICATION16);
 483         }
 484         break;
 485
 486     case WM_ISACTIVEICON:
 487         return ((wndPtr->flags & WIN_NCACTIVATED) != 0);
 488
 489     case WM_NOTIFYFORMAT:
 490       if (IsWindowUnicode(wndPtr->hwndSelf)) return NFR_UNICODE;
 491       else return NFR_ANSI;
 492
 493     case WM_QUERYOPEN:
 494     case WM_QUERYENDSESSION:
 495         return 1;
 496
 497     case WM_SETICON:
 498         {
 499                 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
 500                 HICON16 hOldIcon = GetClassLongA(wndPtr->hwndSelf, index);
 501                 SetClassLongA(wndPtr->hwndSelf, index, lParam);
 502
 503                 SetWindowPos(wndPtr->hwndSelf, 0, 0, 0, 0, 0, SWP_FRAMECHANGED
 504                          | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE
 505                          | SWP_NOZORDER);
 506
 507                 if( wndPtr->flags & WIN_NATIVE )
 508                     wndPtr->pDriver->pSetHostAttr(wndPtr, HAK_ICONS, 0);
 509
 510                 return hOldIcon;
 511         }
 512
 513     case WM_GETICON:
 514         {
 515                 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
 516                 return GetClassLongA(wndPtr->hwndSelf, index);
 517         }
 518
 519     case WM_HELP:
 520         SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 521         break;
 522     }
 523
 524     return 0;
 525 }
 526
 527
 528
 529 /***********************************************************************
 530  *           DefWindowProc16   (USER.107)
 531  */
 532 LRESULT WINAPI DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
 533                                 LPARAM lParam )
 534 {
 535     WND * wndPtr = WIN_FindWndPtr( hwnd );
 536     LRESULT result = 0;
 537
 538     if (!wndPtr) return 0;
 539     SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
 540
 541     switch(msg)
 542     {
 543     case WM_NCCREATE:
 544         {
 545             CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
 546             if (cs->lpszName)
 547                 DEFWND_SetTextA( wndPtr, (LPCSTR)PTR_SEG_TO_LIN(cs->lpszName) );
 548             result = 1;
 549         }
 550         break;
 551
 552     case WM_NCCALCSIZE:
 553         {
 554             RECT rect32;
 555             CONV_RECT16TO32( (RECT16 *)PTR_SEG_TO_LIN(lParam), &rect32 );
 556             result = NC_HandleNCCalcSize( wndPtr, &rect32 );
 557             CONV_RECT32TO16( &rect32, (RECT16 *)PTR_SEG_TO_LIN(lParam) );
 558         }
 559         break;
 560
 561     case WM_WINDOWPOSCHANGING:
 562         result = WINPOS_HandleWindowPosChanging16( wndPtr,
 563                                        (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam) );
 564         break;
 565
 566     case WM_WINDOWPOSCHANGED:
 567         {
 568             WINDOWPOS16 * winPos = (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam);
 569             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 570         }
 571         break;
 572
 573     case WM_GETTEXT:
 574         if (wParam && wndPtr->text)
 575         {
 576             lstrcpynWtoA( (LPSTR)PTR_SEG_TO_LIN(lParam), wndPtr->text, wParam );
 577             result = (LRESULT)strlen( (LPSTR)PTR_SEG_TO_LIN(lParam) );
 578         }
 579         break;
 580
 581     case WM_SETTEXT:
 582         DEFWND_SetTextA( wndPtr, (LPCSTR)PTR_SEG_TO_LIN(lParam) );
 583         if( wndPtr->dwStyle & WS_CAPTION ) NC_HandleNCPaint( hwnd , (HRGN)1 );
 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_DEFWND16, hwnd, msg, result );
 593     return result;
 594 }
 595
 596
 597 /***********************************************************************
 598  *  DefWindowProcA [USER32.126]
 599  *
 600  */
 601 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam,
 602                                  LPARAM lParam )
 603 {
 604     WND * wndPtr = WIN_FindWndPtr( hwnd );
 605     LRESULT result = 0;
 606
 607     if (!wndPtr) return 0;
 608     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 609
 610     switch(msg)
 611     {
 612     case WM_NCCREATE:
 613         {
 614             CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
 615             if (cs->lpszName) DEFWND_SetTextA( wndPtr, cs->lpszName );
 616             result = 1;
 617         }
 618         break;
 619
 620     case WM_NCCALCSIZE:
 621         result = NC_HandleNCCalcSize( wndPtr, (RECT *)lParam );
 622         break;
 623
 624     case WM_WINDOWPOSCHANGING:
 625         result = WINPOS_HandleWindowPosChanging( wndPtr,
 626                                                    (WINDOWPOS *)lParam );
 627         break;
 628
 629     case WM_WINDOWPOSCHANGED:
 630         {
 631             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 632             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 633         }
 634         break;
 635
 636     case WM_GETTEXT:
 637         if (wParam && wndPtr->text)
 638         {
 639             lstrcpynWtoA( (LPSTR)lParam, wndPtr->text, wParam );
 640             result = (LRESULT)strlen( (LPSTR)lParam );
 641         }
 642         break;
 643
 644     case WM_SETTEXT:
 645         DEFWND_SetTextA( wndPtr, (LPCSTR)lParam );
 646         NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 647         break;
 648
 649     default:
 650         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
 651         break;
 652     }
 653
 654     WIN_ReleaseWndPtr(wndPtr);
 655     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result );
 656     return result;
 657 }
 658
 659
 660 /***********************************************************************
 661  * DefWindowProcW [USER32.127] Calls default window message handler
 662  *
 663  * Calls default window procedure for messages not processed
 664  *  by application.
 665  *
 666  *  RETURNS
 667  *     Return value is dependent upon the message.
 668 */
 669 LRESULT WINAPI DefWindowProcW(
 670     HWND hwnd,      /* [in] window procedure recieving message */
 671     UINT msg,       /* [in] message identifier */
 672     WPARAM wParam,  /* [in] first message parameter */
 673     LPARAM lParam )   /* [in] second message parameter */
 674 {
 675     WND * wndPtr = WIN_FindWndPtr( hwnd );
 676     LRESULT result = 0;
 677
 678     if (!wndPtr) return 0;
 679     switch(msg)
 680     {
 681     case WM_NCCREATE:
 682         {
 683             CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
 684             if (cs->lpszName) DEFWND_SetTextW( wndPtr, cs->lpszName );
 685             result = 1;
 686         }
 687         break;
 688
 689     case WM_GETTEXT:
 690         if (wParam && wndPtr->text)
 691         {
 692             lstrcpynW( (LPWSTR)lParam, wndPtr->text, wParam );
 693             result = strlenW( (LPWSTR)lParam );
 694         }
 695         break;
 696
 697     case WM_SETTEXT:
 698         DEFWND_SetTextW( wndPtr, (LPCWSTR)lParam );
 699         NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 700         break;
 701
 702     default:
 703         result = DefWindowProcA( hwnd, msg, wParam, lParam );
 704         break;
 705     }
 706     WIN_ReleaseWndPtr(wndPtr);
 707     return result;
 708 }