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 "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 #include "wine/winestring.h"
  27
  28 DEFAULT_DEBUG_CHANNEL(win);
  29
  30   /* bits in the dwKeyData */
  31 #define KEYDATA_ALT             0x2000
  32 #define KEYDATA_PREVSTATE       0x4000
  33
  34 static short iF10Key = 0;
  35 static short iMenuSysKey = 0;
  36
  37 /***********************************************************************
  38  *           DEFWND_HandleWindowPosChanged
  39  *
  40  * Handle the WM_WINDOWPOSCHANGED message.
  41  */
  42 static void DEFWND_HandleWindowPosChanged( WND *wndPtr, UINT flags )
  43 {
  44     WPARAM16 wp = SIZE_RESTORED;
  45
  46     if (!(flags & SWP_NOCLIENTMOVE))
  47         SendMessage16( wndPtr->hwndSelf, WM_MOVE, 0,
  48                     MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top));
  49     if (!(flags & SWP_NOCLIENTSIZE))
  50     {
  51         if (wndPtr->dwStyle & WS_MAXIMIZE) wp = SIZE_MAXIMIZED;
  52         else if (wndPtr->dwStyle & WS_MINIMIZE) wp = SIZE_MINIMIZED;
  53
  54         SendMessage16( wndPtr->hwndSelf, WM_SIZE, wp,
  55                      MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
  56                             wndPtr->rectClient.bottom-wndPtr->rectClient.top));
  57     }
  58 }
  59
  60
  61 /***********************************************************************
  62  *           DEFWND_SetTextA
  63  *
  64  * Set the window text.
  65  */
  66 void DEFWND_SetTextA( WND *wndPtr, LPCSTR text )
  67 {
  68     int count;
  69
  70     if (!text) text = "";
  71     count = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 );
  72
  73     if (wndPtr->text) HeapFree(SystemHeap, 0, wndPtr->text);
  74     if ((wndPtr->text = HeapAlloc(SystemHeap, 0, count * sizeof(WCHAR))))
  75         MultiByteToWideChar( CP_ACP, 0, text, -1, wndPtr->text, count );
  76     else
  77         ERR("Not enough memory for window text");
  78
  79     wndPtr->pDriver->pSetText(wndPtr, wndPtr->text);
  80 }
  81
  82 /***********************************************************************
  83  *           DEFWND_SetTextW
  84  *
  85  * Set the window text.
  86  */
  87 void DEFWND_SetTextW( WND *wndPtr, LPCWSTR text )
  88 {
  89     static const WCHAR empty_string[] = {0};
  90     int count;
  91
  92     if (!text) text = empty_string;
  93     count = strlenW(text) + 1;
  94
  95     if (wndPtr->text) HeapFree(SystemHeap, 0, wndPtr->text);
  96     if ((wndPtr->text = HeapAlloc(SystemHeap, 0, count * sizeof(WCHAR))))
  97         strcpyW( wndPtr->text, text );
  98     else
  99         ERR("Not enough memory for window text");
 100
 101     wndPtr->pDriver->pSetText(wndPtr, wndPtr->text);
 102 }
 103
 104 /***********************************************************************
 105  *           DEFWND_ControlColor
 106  *
 107  * Default colors for control painting.
 108  */
 109 HBRUSH DEFWND_ControlColor( HDC hDC, UINT16 ctlType )
 110 {
 111     if( ctlType == CTLCOLOR_SCROLLBAR)
 112     {
 113         HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
 114         if (TWEAK_WineLook == WIN31_LOOK) {
 115            SetTextColor( hDC, RGB(0, 0, 0) );
 116            SetBkColor( hDC, RGB(255, 255, 255) );
 117         } else {
 118            COLORREF bk = GetSysColor(COLOR_3DHILIGHT);
 119            SetTextColor( hDC, GetSysColor(COLOR_3DFACE));
 120            SetBkColor( hDC, bk);
 121
 122            /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
 123             * we better use 0x55aa bitmap brush to make scrollbar's background
 124             * look different from the window background.
 125             */
 126            if (bk == GetSysColor(COLOR_WINDOW)) {
 127                return CACHE_GetPattern55AABrush();
 128            }
 129         }
 130         UnrealizeObject( hb );
 131         return hb;
 132     }
 133
 134     SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
 135
 136     if (TWEAK_WineLook > WIN31_LOOK) {
 137         if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
 138             SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
 139         else {
 140             SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
 141             return GetSysColorBrush(COLOR_3DFACE);
 142         }
 143     }
 144     else
 145         SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
 146     return GetSysColorBrush(COLOR_WINDOW);
 147 }
 148
 149
 150 /***********************************************************************
 151  *           DEFWND_SetRedraw
 152  */
 153 static void DEFWND_SetRedraw( WND* wndPtr, WPARAM wParam )
 154 {
 155     BOOL bVisible = wndPtr->dwStyle & WS_VISIBLE;
 156
 157     TRACE("%04x %i\n", wndPtr->hwndSelf, (wParam!=0) );
 158
 159     if( wParam )
 160     {
 161         if( !bVisible )
 162         {
 163             wndPtr->dwStyle |= WS_VISIBLE;
 164             DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 165         }
 166     }
 167     else if( bVisible )
 168     {
 169         if( wndPtr->dwStyle & WS_MINIMIZE ) wParam = RDW_VALIDATE;
 170         else wParam = RDW_ALLCHILDREN | RDW_VALIDATE;
 171
 172         PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, wParam, 0 );
 173         DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 174         wndPtr->dwStyle &= ~WS_VISIBLE;
 175     }
 176 }
 177
 178 /***********************************************************************
 179  *           DEFWND_Print
 180  *
 181  * This method handles the default behavior for the WM_PRINT message.
 182  */
 183 static void DEFWND_Print(
 184   WND*  wndPtr,
 185   HDC   hdc,
 186   ULONG uFlags)
 187 {
 188   /*
 189    * Visibility flag.
 190    */
 191   if ( (uFlags & PRF_CHECKVISIBLE) &&
 192        !IsWindowVisible(wndPtr->hwndSelf) )
 193       return;
 194
 195   /*
 196    * Unimplemented flags.
 197    */
 198   if ( (uFlags & PRF_CHILDREN) ||
 199        (uFlags & PRF_OWNED)    ||
 200        (uFlags & PRF_NONCLIENT) )
 201   {
 202     WARN("WM_PRINT message with unsupported flags\n");
 203   }
 204
 205   /*
 206    * Background
 207    */
 208   if ( uFlags & PRF_ERASEBKGND)
 209     SendMessageA(wndPtr->hwndSelf, WM_ERASEBKGND, (WPARAM)hdc, 0);
 210
 211   /*
 212    * Client area
 213    */
 214   if ( uFlags & PRF_CLIENT)
 215     SendMessageA(wndPtr->hwndSelf, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
 216 }
 217
 218 /***********************************************************************
 219  *           DEFWND_DefWinProc
 220  *
 221  * Default window procedure for messages that are the same in Win16 and Win32.
 222  */
 223 static LRESULT DEFWND_DefWinProc( WND *wndPtr, UINT msg, WPARAM wParam,
 224                                   LPARAM lParam )
 225 {
 226     switch(msg)
 227     {
 228     case WM_NCPAINT:
 229         return NC_HandleNCPaint( wndPtr->hwndSelf, (HRGN)wParam );
 230
 231     case WM_NCHITTEST:
 232         {
 233             POINT pt;
 234             pt.x = SLOWORD(lParam);
 235             pt.y = SHIWORD(lParam);
 236             return NC_HandleNCHitTest( wndPtr->hwndSelf, pt );
 237         }
 238
 239     case WM_NCLBUTTONDOWN:
 240         return NC_HandleNCLButtonDown( wndPtr, wParam, lParam );
 241
 242     case WM_LBUTTONDBLCLK:
 243     case WM_NCLBUTTONDBLCLK:
 244         return NC_HandleNCLButtonDblClk( wndPtr, wParam, lParam );
 245
 246     case WM_RBUTTONUP:
 247     case WM_NCRBUTTONUP:
 248         if ((wndPtr->flags & WIN_ISWIN32) || (TWEAK_WineLook > WIN31_LOOK))
 249         {
 250             ClientToScreen16(wndPtr->hwndSelf, (LPPOINT16)&lParam);
 251             SendMessageA( wndPtr->hwndSelf, WM_CONTEXTMENU,
 252                             wndPtr->hwndSelf, lParam);
 253         }
 254         break;
 255
 256     case WM_CONTEXTMENU:
 257         if( wndPtr->dwStyle & WS_CHILD )
 258             SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 259         else if (wndPtr->hSysMenu)
 260         {
 261             LONG hitcode;
 262             POINT pt;
 263             pt.x = SLOWORD(lParam);
 264             pt.y = SHIWORD(lParam);
 265
 266             ScreenToClient(wndPtr->hwndSelf, &pt);
 267             hitcode = NC_HandleNCHitTest(wndPtr->hwndSelf, pt);
 268
 269             /* Track system popup if click was in the caption area. */
 270             if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
 271                 TrackPopupMenu(GetSystemMenu(wndPtr->hwndSelf, FALSE),
 272                                TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
 273                                pt.x, pt.y, 0, wndPtr->hwndSelf, NULL);
 274         }
 275         break;
 276
 277     case WM_NCACTIVATE:
 278         return NC_HandleNCActivate( wndPtr, wParam );
 279
 280     case WM_NCDESTROY:
 281         if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
 282         wndPtr->text = NULL;
 283         if (wndPtr->pVScroll) HeapFree( SystemHeap, 0, wndPtr->pVScroll );
 284         if (wndPtr->pHScroll) HeapFree( SystemHeap, 0, wndPtr->pHScroll );
 285         wndPtr->pVScroll = wndPtr->pHScroll = NULL;
 286         return 0;
 287
 288     case WM_PRINT:
 289         DEFWND_Print(wndPtr, (HDC)wParam, lParam);
 290         return 0;
 291
 292     case WM_PAINTICON:
 293     case WM_PAINT:
 294         {
 295             PAINTSTRUCT16 ps;
 296             HDC16 hdc = BeginPaint16( wndPtr->hwndSelf, &ps );
 297             if( hdc )
 298             {
 299               if( (wndPtr->dwStyle & WS_MINIMIZE) && wndPtr->class->hIcon )
 300               {
 301                 int x = (wndPtr->rectWindow.right - wndPtr->rectWindow.left -
 302                         GetSystemMetrics(SM_CXICON))/2;
 303                 int y = (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top -
 304                         GetSystemMetrics(SM_CYICON))/2;
 305                 TRACE("Painting class icon: vis rect=(%i,%i - %i,%i)\n",
 306                 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
 307                 DrawIcon( hdc, x, y, wndPtr->class->hIcon );
 308               }
 309               EndPaint16( wndPtr->hwndSelf, &ps );
 310             }
 311             return 0;
 312         }
 313
 314     case WM_SYNCPAINT:
 315         if (wndPtr->hrgnUpdate)
 316         {
 317            RedrawWindow ( wndPtr->hwndSelf, 0, wndPtr->hrgnUpdate,
 318                     RDW_ERASENOW | RDW_ERASE | RDW_FRAME | RDW_ALLCHILDREN );
 319         }
 320         return 0;
 321
 322     case WM_SETREDRAW:
 323         DEFWND_SetRedraw( wndPtr, wParam );
 324         return 0;
 325
 326     case WM_CLOSE:
 327         DestroyWindow( wndPtr->hwndSelf );
 328         return 0;
 329
 330     case WM_MOUSEACTIVATE:
 331         if (wndPtr->dwStyle & WS_CHILD)
 332         {
 333             LONG ret = SendMessage16( wndPtr->parent->hwndSelf,
 334                                       WM_MOUSEACTIVATE, wParam, lParam );
 335             if (ret) return ret;
 336         }
 337
 338         /* Caption clicks are handled by the NC_HandleNCLButtonDown() */
 339         return (LOWORD(lParam) >= HTCLIENT) ? MA_ACTIVATE : MA_NOACTIVATE;
 340
 341     case WM_ACTIVATE:
 342         /* The default action in Windows is to set the keyboard focus to
 343          * the window, if it's being activated and not minimized */
 344         if (LOWORD(wParam) != WA_INACTIVE) {
 345                 if (!(wndPtr->dwStyle & WS_MINIMIZE))
 346                         SetFocus(wndPtr->hwndSelf);
 347         }
 348         break;
 349
 350      case WM_MOUSEWHEEL:
 351         if (wndPtr->dwStyle & WS_CHILD)
 352         {
 353             return SendMessageA( wndPtr->parent->hwndSelf,
 354                                  WM_MOUSEWHEEL, wParam, lParam );
 355         }
 356         break;
 357
 358     case WM_ERASEBKGND:
 359     case WM_ICONERASEBKGND:
 360         {
 361             RECT rect;
 362
 363             if (!wndPtr->class->hbrBackground) return 0;
 364
 365             /*  Since WM_ERASEBKGND may receive either a window dc or a    */
 366             /*  client dc, the area to be erased has to be retrieved from  */
 367             /*  the device context.                                        */
 368             GetClipBox( (HDC)wParam, &rect );
 369
 370             /* Always call the Win32 variant of FillRect even on Win16,
 371              * since despite the fact that Win16, as well as Win32,
 372              * supports special background brushes for a window class,
 373              * the Win16 variant of FillRect does not.
 374              */
 375             FillRect( (HDC) wParam, &rect, wndPtr->class->hbrBackground);
 376             return 1;
 377         }
 378
 379     case WM_GETDLGCODE:
 380         return 0;
 381
 382     case WM_CTLCOLORMSGBOX:
 383     case WM_CTLCOLOREDIT:
 384     case WM_CTLCOLORLISTBOX:
 385     case WM_CTLCOLORBTN:
 386     case WM_CTLCOLORDLG:
 387     case WM_CTLCOLORSTATIC:
 388     case WM_CTLCOLORSCROLLBAR:
 389         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
 390
 391     case WM_CTLCOLOR:
 392         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
 393
 394     case WM_GETTEXTLENGTH:
 395         if (wndPtr->text) return (LRESULT)strlenW(wndPtr->text);
 396         return 0;
 397
 398     case WM_SETCURSOR:
 399         if (wndPtr->dwStyle & WS_CHILD)
 400             if (SendMessage16(wndPtr->parent->hwndSelf, WM_SETCURSOR,
 401                             wParam, lParam))
 402                 return TRUE;
 403         return NC_HandleSetCursor( wndPtr->hwndSelf, wParam, lParam );
 404
 405     case WM_SYSCOMMAND:
 406         {
 407             POINT pt;
 408             pt.x = SLOWORD(lParam);
 409             pt.y = SHIWORD(lParam);
 410             return NC_HandleSysCommand( wndPtr->hwndSelf, wParam, pt );
 411         }
 412
 413     case WM_KEYDOWN:
 414         if(wParam == VK_F10) iF10Key = VK_F10;
 415         break;
 416
 417     case WM_SYSKEYDOWN:
 418         if( HIWORD(lParam) & KEYDATA_ALT )
 419         {
 420             /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
 421               if( wParam == VK_MENU && !iMenuSysKey )
 422                 iMenuSysKey = 1;
 423               else
 424                 iMenuSysKey = 0;
 425
 426             iF10Key = 0;
 427
 428             if( wParam == VK_F4 )       /* try to close the window */
 429             {
 430                 HWND hWnd = WIN_GetTopParent( wndPtr->hwndSelf );
 431                 wndPtr = WIN_FindWndPtr( hWnd );
 432                 if( wndPtr && !(wndPtr->class->style & CS_NOCLOSE) )
 433                     PostMessage16( hWnd, WM_SYSCOMMAND, SC_CLOSE, 0 );
 434                 WIN_ReleaseWndPtr(wndPtr);
 435             }
 436         }
 437         else if( wParam == VK_F10 )
 438                 iF10Key = 1;
 439              else
 440                 if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
 441                     SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 442                                   (WPARAM16)SC_KEYMENU, (LPARAM)VK_SPACE);
 443         break;
 444
 445     case WM_KEYUP:
 446     case WM_SYSKEYUP:
 447         /* Press and release F10 or ALT */
 448         if (((wParam == VK_MENU) && iMenuSysKey) ||
 449             ((wParam == VK_F10) && iF10Key))
 450               SendMessage16( WIN_GetTopParent(wndPtr->hwndSelf),
 451                              WM_SYSCOMMAND, SC_KEYMENU, 0L );
 452         iMenuSysKey = iF10Key = 0;
 453         break;
 454
 455     case WM_SYSCHAR:
 456         iMenuSysKey = 0;
 457         if (wParam == VK_RETURN && (wndPtr->dwStyle & WS_MINIMIZE))
 458         {
 459             PostMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 460                            (WPARAM16)SC_RESTORE, 0L );
 461             break;
 462         }
 463         if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
 464         {
 465             if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
 466             if (wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD))
 467                 SendMessage16( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 468             else
 469                 SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 470                                (WPARAM16)SC_KEYMENU, (LPARAM)(DWORD)wParam );
 471         }
 472         else /* check for Ctrl-Esc */
 473             if (wParam != VK_ESCAPE) MessageBeep(0);
 474         break;
 475
 476     case WM_SHOWWINDOW:
 477         if (!lParam) return 0; /* sent from ShowWindow */
 478         if (!(wndPtr->dwStyle & WS_POPUP) || !wndPtr->owner) return 0;
 479         if ((wndPtr->dwStyle & WS_VISIBLE) && wParam) return 0;
 480         else if (!(wndPtr->dwStyle & WS_VISIBLE) && !wParam) return 0;
 481         ShowWindow( wndPtr->hwndSelf, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
 482         break;
 483
 484     case WM_CANCELMODE:
 485         if (wndPtr->parent == WIN_GetDesktop()) EndMenu();
 486         if (GetCapture() == wndPtr->hwndSelf) ReleaseCapture();
 487         WIN_ReleaseDesktop();
 488         break;
 489
 490     case WM_VKEYTOITEM:
 491     case WM_CHARTOITEM:
 492         return -1;
 493
 494     case WM_DROPOBJECT:
 495         return DRAG_FILE;
 496
 497     case WM_QUERYDROPOBJECT:
 498         if (wndPtr->dwExStyle & WS_EX_ACCEPTFILES) return 1;
 499         break;
 500
 501     case WM_QUERYDRAGICON:
 502         {
 503             HICON16 hIcon=0;
 504             UINT16 len;
 505
 506             if( (hIcon=wndPtr->class->hCursor) ) return (LRESULT)hIcon;
 507             for(len=1; len<64; len++)
 508                 if((hIcon=LoadIcon16(wndPtr->hInstance,MAKEINTRESOURCE16(len))))
 509                     return (LRESULT)hIcon;
 510             return (LRESULT)LoadIcon16(0,IDI_APPLICATION16);
 511         }
 512         break;
 513
 514     case WM_ISACTIVEICON:
 515         return ((wndPtr->flags & WIN_NCACTIVATED) != 0);
 516
 517     case WM_NOTIFYFORMAT:
 518       if (IsWindowUnicode(wndPtr->hwndSelf)) return NFR_UNICODE;
 519       else return NFR_ANSI;
 520
 521     case WM_QUERYOPEN:
 522     case WM_QUERYENDSESSION:
 523         return 1;
 524
 525     case WM_SETICON:
 526         {
 527                 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
 528                 HICON16 hOldIcon = GetClassLongA(wndPtr->hwndSelf, index);
 529                 SetClassLongA(wndPtr->hwndSelf, index, lParam);
 530
 531                 SetWindowPos(wndPtr->hwndSelf, 0, 0, 0, 0, 0, SWP_FRAMECHANGED
 532                          | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE
 533                          | SWP_NOZORDER);
 534
 535                 if( wndPtr->flags & WIN_NATIVE )
 536                     wndPtr->pDriver->pSetHostAttr(wndPtr, HAK_ICONS, 0);
 537
 538                 return hOldIcon;
 539         }
 540
 541     case WM_GETICON:
 542         {
 543                 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
 544                 return GetClassLongA(wndPtr->hwndSelf, index);
 545         }
 546
 547     case WM_HELP:
 548         SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 549         break;
 550     }
 551
 552     return 0;
 553 }
 554
 555
 556
 557 /***********************************************************************
 558  *           DefWindowProc16   (USER.107)
 559  */
 560 LRESULT WINAPI DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
 561                                 LPARAM lParam )
 562 {
 563     WND * wndPtr = WIN_FindWndPtr( hwnd );
 564     LRESULT result = 0;
 565
 566     if (!wndPtr) return 0;
 567     SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
 568
 569     switch(msg)
 570     {
 571     case WM_NCCREATE:
 572         {
 573             CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
 574             if (cs->lpszName)
 575                 DEFWND_SetTextA( wndPtr, (LPCSTR)PTR_SEG_TO_LIN(cs->lpszName) );
 576             result = 1;
 577         }
 578         break;
 579
 580     case WM_NCCALCSIZE:
 581         {
 582             RECT rect32;
 583             CONV_RECT16TO32( (RECT16 *)PTR_SEG_TO_LIN(lParam), &rect32 );
 584             result = NC_HandleNCCalcSize( wndPtr, &rect32 );
 585             CONV_RECT32TO16( &rect32, (RECT16 *)PTR_SEG_TO_LIN(lParam) );
 586         }
 587         break;
 588
 589     case WM_WINDOWPOSCHANGING:
 590         result = WINPOS_HandleWindowPosChanging16( wndPtr,
 591                                        (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam) );
 592         break;
 593
 594     case WM_WINDOWPOSCHANGED:
 595         {
 596             WINDOWPOS16 * winPos = (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam);
 597             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 598         }
 599         break;
 600
 601     case WM_GETTEXT:
 602         if (wParam && wndPtr->text)
 603         {
 604             lstrcpynWtoA( (LPSTR)PTR_SEG_TO_LIN(lParam), wndPtr->text, wParam );
 605             result = (LRESULT)strlen( (LPSTR)PTR_SEG_TO_LIN(lParam) );
 606         }
 607         break;
 608
 609     case WM_SETTEXT:
 610         DEFWND_SetTextA( wndPtr, (LPCSTR)PTR_SEG_TO_LIN(lParam) );
 611         if( (wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION )
 612             NC_HandleNCPaint( hwnd , (HRGN)1 );
 613         break;
 614
 615     default:
 616         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
 617         break;
 618     }
 619
 620     WIN_ReleaseWndPtr(wndPtr);
 621     SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result, wParam, lParam );
 622     return result;
 623 }
 624
 625
 626 /***********************************************************************
 627  *  DefWindowProcA [USER32.126]
 628  *
 629  */
 630 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam,
 631                                  LPARAM lParam )
 632 {
 633     WND * wndPtr = WIN_FindWndPtr( hwnd );
 634     LRESULT result = 0;
 635
 636     if (!wndPtr) return 0;
 637     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 638
 639     switch(msg)
 640     {
 641     case WM_NCCREATE:
 642         {
 643             CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
 644             if (cs->lpszName) DEFWND_SetTextA( wndPtr, cs->lpszName );
 645             result = 1;
 646         }
 647         break;
 648
 649     case WM_NCCALCSIZE:
 650         result = NC_HandleNCCalcSize( wndPtr, (RECT *)lParam );
 651         break;
 652
 653     case WM_WINDOWPOSCHANGING:
 654         result = WINPOS_HandleWindowPosChanging( wndPtr,
 655                                                    (WINDOWPOS *)lParam );
 656         break;
 657
 658     case WM_WINDOWPOSCHANGED:
 659         {
 660             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 661             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 662         }
 663         break;
 664
 665     case WM_GETTEXT:
 666         if (wParam && wndPtr->text)
 667         {
 668             lstrcpynWtoA( (LPSTR)lParam, wndPtr->text, wParam );
 669             result = (LRESULT)strlen( (LPSTR)lParam );
 670         }
 671         break;
 672
 673     case WM_SETTEXT:
 674         DEFWND_SetTextA( wndPtr, (LPCSTR)lParam );
 675         if( (wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION )
 676             NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 677         break;
 678
 679     default:
 680         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
 681         break;
 682     }
 683
 684     WIN_ReleaseWndPtr(wndPtr);
 685     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
 686     return result;
 687 }
 688
 689
 690 /***********************************************************************
 691  * DefWindowProcW [USER32.127] Calls default window message handler
 692  *
 693  * Calls default window procedure for messages not processed
 694  *  by application.
 695  *
 696  *  RETURNS
 697  *     Return value is dependent upon the message.
 698 */
 699 LRESULT WINAPI DefWindowProcW(
 700     HWND hwnd,      /* [in] window procedure recieving message */
 701     UINT msg,       /* [in] message identifier */
 702     WPARAM wParam,  /* [in] first message parameter */
 703     LPARAM lParam )   /* [in] second message parameter */
 704 {
 705     WND * wndPtr = WIN_FindWndPtr( hwnd );
 706     LRESULT result = 0;
 707
 708     if (!wndPtr) return 0;
 709     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 710
 711     switch(msg)
 712     {
 713     case WM_NCCREATE:
 714         {
 715             CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
 716             if (cs->lpszName) DEFWND_SetTextW( wndPtr, cs->lpszName );
 717             result = 1;
 718         }
 719         break;
 720
 721     case WM_GETTEXT:
 722         if (wParam && wndPtr->text)
 723         {
 724             lstrcpynW( (LPWSTR)lParam, wndPtr->text, wParam );
 725             result = strlenW( (LPWSTR)lParam );
 726         }
 727         break;
 728
 729     case WM_SETTEXT:
 730         DEFWND_SetTextW( wndPtr, (LPCWSTR)lParam );
 731         if( (wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION )
 732             NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 733         break;
 734
 735     default:
 736         result = DefWindowProcA( hwnd, msg, wParam, lParam );
 737         break;
 738     }
 739     WIN_ReleaseWndPtr(wndPtr);
 740     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
 741     return result;
 742 }