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 "wine/winuser16.h"
  24
  25 DEFAULT_DEBUG_CHANNEL(win)
  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("%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("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_RBUTTONUP:
 209     case WM_NCRBUTTONUP:
 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 if (wndPtr->hSysMenu)
 222         {
 223             LONG hitcode;
 224             POINT16 pt = MAKEPOINT16(lParam);
 225
 226             ScreenToClient16(wndPtr->hwndSelf, &pt);
 227             hitcode = NC_HandleNCHitTest(wndPtr->hwndSelf, pt);
 228
 229             /* Track system popup if click was in the caption area. */
 230             if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
 231                 TrackPopupMenu(GetSystemMenu(wndPtr->hwndSelf, FALSE),
 232                                TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
 233                                pt.x, pt.y, 0, wndPtr->hwndSelf, NULL);
 234         }
 235         break;
 236
 237     case WM_NCACTIVATE:
 238         return NC_HandleNCActivate( wndPtr, wParam );
 239
 240     case WM_NCDESTROY:
 241         if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
 242         wndPtr->text = NULL;
 243         if (wndPtr->pVScroll) HeapFree( SystemHeap, 0, wndPtr->pVScroll );
 244         if (wndPtr->pHScroll) HeapFree( SystemHeap, 0, wndPtr->pHScroll );
 245         wndPtr->pVScroll = wndPtr->pHScroll = NULL;
 246         return 0;
 247
 248     case WM_PRINT:
 249         DEFWND_Print(wndPtr, (HDC)wParam, lParam);
 250         return 0;
 251
 252     case WM_PAINTICON:
 253     case WM_PAINT:
 254         {
 255             PAINTSTRUCT16 ps;
 256             HDC16 hdc = BeginPaint16( wndPtr->hwndSelf, &ps );
 257             if( hdc )
 258             {
 259               if( (wndPtr->dwStyle & WS_MINIMIZE) && wndPtr->class->hIcon )
 260               {
 261                 int x = (wndPtr->rectWindow.right - wndPtr->rectWindow.left -
 262                         GetSystemMetrics(SM_CXICON))/2;
 263                 int y = (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top -
 264                         GetSystemMetrics(SM_CYICON))/2;
 265                 TRACE("Painting class icon: vis rect=(%i,%i - %i,%i)\n",
 266                 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
 267                 DrawIcon( hdc, x, y, wndPtr->class->hIcon );
 268               }
 269               EndPaint16( wndPtr->hwndSelf, &ps );
 270             }
 271             return 0;
 272         }
 273
 274     case WM_SETREDRAW:
 275         DEFWND_SetRedraw( wndPtr, wParam );
 276         return 0;
 277
 278     case WM_CLOSE:
 279         DestroyWindow( wndPtr->hwndSelf );
 280         return 0;
 281
 282     case WM_MOUSEACTIVATE:
 283         if (wndPtr->dwStyle & WS_CHILD)
 284         {
 285             LONG ret = SendMessage16( wndPtr->parent->hwndSelf,
 286                                       WM_MOUSEACTIVATE, wParam, lParam );
 287             if (ret) return ret;
 288         }
 289
 290         /* Caption clicks are handled by the NC_HandleNCLButtonDown() */
 291         return (LOWORD(lParam) >= HTCLIENT) ? MA_ACTIVATE : MA_NOACTIVATE;
 292
 293     case WM_ACTIVATE:
 294         /* The default action in Windows is to set the keyboard focus to
 295          * the window, if it's being activated and not minimized */
 296         if (LOWORD(wParam) != WA_INACTIVE) {
 297                 if (!(wndPtr->dwStyle & WS_MINIMIZE))
 298                         SetFocus(wndPtr->hwndSelf);
 299         }
 300         break;
 301
 302     case WM_ERASEBKGND:
 303     case WM_ICONERASEBKGND:
 304         {
 305             RECT rect;
 306
 307             if (!wndPtr->class->hbrBackground) return 0;
 308
 309             /*  Since WM_ERASEBKGND may receive either a window dc or a    */
 310             /*  client dc, the area to be erased has to be retrieved from  */
 311             /*  the device context.                                        */
 312             GetClipBox( (HDC)wParam, &rect );
 313
 314             /* Always call the Win32 variant of FillRect even on Win16,
 315              * since despite the fact that Win16, as well as Win32,
 316              * supports special background brushes for a window class,
 317              * the Win16 variant of FillRect does not.
 318              */
 319             FillRect( (HDC) wParam, &rect, wndPtr->class->hbrBackground);
 320             return 1;
 321         }
 322
 323     case WM_GETDLGCODE:
 324         return 0;
 325
 326     case WM_CTLCOLORMSGBOX:
 327     case WM_CTLCOLOREDIT:
 328     case WM_CTLCOLORLISTBOX:
 329     case WM_CTLCOLORBTN:
 330     case WM_CTLCOLORDLG:
 331     case WM_CTLCOLORSTATIC:
 332     case WM_CTLCOLORSCROLLBAR:
 333         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
 334
 335     case WM_CTLCOLOR:
 336         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
 337
 338     case WM_GETTEXTLENGTH:
 339         if (wndPtr->text) return (LRESULT)strlen(wndPtr->text);
 340         return 0;
 341
 342     case WM_SETCURSOR:
 343         if (wndPtr->dwStyle & WS_CHILD)
 344             if (SendMessage16(wndPtr->parent->hwndSelf, WM_SETCURSOR,
 345                             wParam, lParam))
 346                 return TRUE;
 347         return NC_HandleSetCursor( wndPtr->hwndSelf, wParam, lParam );
 348
 349     case WM_SYSCOMMAND:
 350         return NC_HandleSysCommand( wndPtr->hwndSelf, wParam,
 351                                     MAKEPOINT16(lParam) );
 352
 353     case WM_KEYDOWN:
 354         if(wParam == VK_F10) iF10Key = VK_F10;
 355         break;
 356
 357     case WM_SYSKEYDOWN:
 358         if( HIWORD(lParam) & KEYDATA_ALT )
 359         {
 360             /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
 361               if( wParam == VK_MENU && !iMenuSysKey )
 362                 iMenuSysKey = 1;
 363               else
 364                 iMenuSysKey = 0;
 365
 366             iF10Key = 0;
 367
 368             if( wParam == VK_F4 )       /* try to close the window */
 369             {
 370                 HWND hWnd = WIN_GetTopParent( wndPtr->hwndSelf );
 371                 wndPtr = WIN_FindWndPtr( hWnd );
 372                 if( wndPtr && !(wndPtr->class->style & CS_NOCLOSE) )
 373                     PostMessage16( hWnd, WM_SYSCOMMAND, SC_CLOSE, 0 );
 374                 WIN_ReleaseWndPtr(wndPtr);
 375             }
 376         }
 377         else if( wParam == VK_F10 )
 378                 iF10Key = 1;
 379              else
 380                 if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
 381                     SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 382                                   (WPARAM16)SC_KEYMENU, (LPARAM)VK_SPACE);
 383         break;
 384
 385     case WM_KEYUP:
 386     case WM_SYSKEYUP:
 387         /* Press and release F10 or ALT */
 388         if (((wParam == VK_MENU) && iMenuSysKey) ||
 389             ((wParam == VK_F10) && iF10Key))
 390               SendMessage16( WIN_GetTopParent(wndPtr->hwndSelf),
 391                              WM_SYSCOMMAND, SC_KEYMENU, 0L );
 392         iMenuSysKey = iF10Key = 0;
 393         break;
 394
 395     case WM_SYSCHAR:
 396         iMenuSysKey = 0;
 397         if (wParam == VK_RETURN && (wndPtr->dwStyle & WS_MINIMIZE))
 398         {
 399             PostMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 400                            (WPARAM16)SC_RESTORE, 0L );
 401             break;
 402         }
 403         if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
 404         {
 405             if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
 406             if (wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD))
 407                 SendMessage16( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 408             else
 409                 SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 410                                (WPARAM16)SC_KEYMENU, (LPARAM)(DWORD)wParam );
 411         }
 412         else /* check for Ctrl-Esc */
 413             if (wParam != VK_ESCAPE) MessageBeep(0);
 414         break;
 415
 416     case WM_SHOWWINDOW:
 417         if (!lParam) return 0; /* sent from ShowWindow */
 418         if (!(wndPtr->dwStyle & WS_POPUP) || !wndPtr->owner) return 0;
 419         if ((wndPtr->dwStyle & WS_VISIBLE) && wParam) return 0;
 420         else if (!(wndPtr->dwStyle & WS_VISIBLE) && !wParam) return 0;
 421         ShowWindow( wndPtr->hwndSelf, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
 422         break;
 423
 424     case WM_CANCELMODE:
 425         if (wndPtr->parent == WIN_GetDesktop()) EndMenu();
 426         if (GetCapture() == wndPtr->hwndSelf) ReleaseCapture();
 427         WIN_ReleaseDesktop();
 428         break;
 429
 430     case WM_VKEYTOITEM:
 431     case WM_CHARTOITEM:
 432         return -1;
 433
 434     case WM_DROPOBJECT:
 435         return DRAG_FILE;
 436
 437     case WM_QUERYDROPOBJECT:
 438         if (wndPtr->dwExStyle & WS_EX_ACCEPTFILES) return 1;
 439         break;
 440
 441     case WM_QUERYDRAGICON:
 442         {
 443             HICON16 hIcon=0;
 444             UINT16 len;
 445
 446             if( (hIcon=wndPtr->class->hCursor) ) return (LRESULT)hIcon;
 447             for(len=1; len<64; len++)
 448                 if((hIcon=LoadIcon16(wndPtr->hInstance,MAKEINTRESOURCE16(len))))
 449                     return (LRESULT)hIcon;
 450             return (LRESULT)LoadIcon16(0,IDI_APPLICATION16);
 451         }
 452         break;
 453
 454     case WM_ISACTIVEICON:
 455         return ((wndPtr->flags & WIN_NCACTIVATED) != 0);
 456
 457     case WM_NOTIFYFORMAT:
 458       if (IsWindowUnicode(wndPtr->hwndSelf)) return NFR_UNICODE;
 459       else return NFR_ANSI;
 460
 461     case WM_QUERYOPEN:
 462     case WM_QUERYENDSESSION:
 463         return 1;
 464
 465     case WM_SETICON:
 466         {
 467                 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
 468                 HICON16 hOldIcon = GetClassLongA(wndPtr->hwndSelf, index);
 469                 SetClassLongA(wndPtr->hwndSelf, index, lParam);
 470
 471                 SetWindowPos(wndPtr->hwndSelf, 0, 0, 0, 0, 0, SWP_FRAMECHANGED
 472                          | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE
 473                          | SWP_NOZORDER);
 474
 475                 if( wndPtr->flags & WIN_NATIVE )
 476                     wndPtr->pDriver->pSetHostAttr(wndPtr, HAK_ICONS, 0);
 477
 478                 return hOldIcon;
 479         }
 480
 481     case WM_GETICON:
 482         {
 483                 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
 484                 return GetClassLongA(wndPtr->hwndSelf, index);
 485         }
 486
 487     case WM_HELP:
 488         SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 489         break;
 490     }
 491
 492     return 0;
 493 }
 494
 495
 496
 497 /***********************************************************************
 498  *           DefWindowProc16   (USER.107)
 499  */
 500 LRESULT WINAPI DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
 501                                 LPARAM lParam )
 502 {
 503     WND * wndPtr = WIN_FindWndPtr( hwnd );
 504     LRESULT result = 0;
 505
 506     if (!wndPtr) return 0;
 507     SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
 508
 509     switch(msg)
 510     {
 511     case WM_NCCREATE:
 512         {
 513             CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
 514             if (cs->lpszName)
 515                 DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(cs->lpszName) );
 516             result = 1;
 517         }
 518         break;
 519
 520     case WM_NCCALCSIZE:
 521         {
 522             RECT rect32;
 523             CONV_RECT16TO32( (RECT16 *)PTR_SEG_TO_LIN(lParam), &rect32 );
 524             result = NC_HandleNCCalcSize( wndPtr, &rect32 );
 525             CONV_RECT32TO16( &rect32, (RECT16 *)PTR_SEG_TO_LIN(lParam) );
 526         }
 527         break;
 528
 529     case WM_WINDOWPOSCHANGING:
 530         result = WINPOS_HandleWindowPosChanging16( wndPtr,
 531                                        (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam) );
 532         break;
 533
 534     case WM_WINDOWPOSCHANGED:
 535         {
 536             WINDOWPOS16 * winPos = (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam);
 537             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 538         }
 539         break;
 540
 541     case WM_GETTEXT:
 542         if (wParam && wndPtr->text)
 543         {
 544             lstrcpynA( (LPSTR)PTR_SEG_TO_LIN(lParam), wndPtr->text, wParam );
 545             result = (LRESULT)strlen( (LPSTR)PTR_SEG_TO_LIN(lParam) );
 546         }
 547         break;
 548
 549     case WM_SETTEXT:
 550         DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(lParam) );
 551         if( wndPtr->dwStyle & WS_CAPTION ) NC_HandleNCPaint( hwnd , (HRGN)1 );
 552         break;
 553
 554     default:
 555         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
 556         break;
 557     }
 558
 559     WIN_ReleaseWndPtr(wndPtr);
 560     SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result );
 561     return result;
 562 }
 563
 564
 565 /***********************************************************************
 566  *  DefWindowProcA [USER32.126]
 567  *
 568  */
 569 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam,
 570                                  LPARAM lParam )
 571 {
 572     WND * wndPtr = WIN_FindWndPtr( hwnd );
 573     LRESULT result = 0;
 574
 575     if (!wndPtr) return 0;
 576     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 577
 578     switch(msg)
 579     {
 580     case WM_NCCREATE:
 581         {
 582             CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
 583             if (cs->lpszName) DEFWND_SetText( wndPtr, cs->lpszName );
 584             result = 1;
 585         }
 586         break;
 587
 588     case WM_NCCALCSIZE:
 589         result = NC_HandleNCCalcSize( wndPtr, (RECT *)lParam );
 590         break;
 591
 592     case WM_WINDOWPOSCHANGING:
 593         result = WINPOS_HandleWindowPosChanging( wndPtr,
 594                                                    (WINDOWPOS *)lParam );
 595         break;
 596
 597     case WM_WINDOWPOSCHANGED:
 598         {
 599             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 600             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 601         }
 602         break;
 603
 604     case WM_GETTEXT:
 605         if (wParam && wndPtr->text)
 606         {
 607             lstrcpynA( (LPSTR)lParam, wndPtr->text, wParam );
 608             result = (LRESULT)strlen( (LPSTR)lParam );
 609         }
 610         break;
 611
 612     case WM_SETTEXT:
 613         DEFWND_SetText( wndPtr, (LPSTR)lParam );
 614         NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 615         break;
 616
 617     default:
 618         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
 619         break;
 620     }
 621
 622     WIN_ReleaseWndPtr(wndPtr);
 623     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result );
 624     return result;
 625 }
 626
 627
 628 /***********************************************************************
 629  * DefWindowProcW [USER32.127] Calls default window message handler
 630  *
 631  * Calls default window procedure for messages not processed
 632  *  by application.
 633  *
 634  *  RETURNS
 635  *     Return value is dependent upon the message.
 636 */
 637 LRESULT WINAPI DefWindowProcW(
 638     HWND hwnd,      /* [in] window procedure recieving message */
 639     UINT msg,       /* [in] message identifier */
 640     WPARAM wParam,  /* [in] first message parameter */
 641     LPARAM lParam )   /* [in] second message parameter */
 642 {
 643     LRESULT result;
 644
 645     switch(msg)
 646     {
 647     case WM_NCCREATE:
 648         {
 649             CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
 650             if (cs->lpszName)
 651             {
 652                 WND *wndPtr = WIN_FindWndPtr( hwnd );
 653                 LPSTR str = HEAP_strdupWtoA(GetProcessHeap(), 0, cs->lpszName);
 654                 DEFWND_SetText( wndPtr, str );
 655                 HeapFree( GetProcessHeap(), 0, str );
 656                 WIN_ReleaseWndPtr(wndPtr);
 657             }
 658             result = 1;
 659         }
 660         break;
 661
 662     case WM_GETTEXT:
 663         {
 664             LPSTR str = HeapAlloc( GetProcessHeap(), 0, wParam );
 665             result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)str );
 666             lstrcpynAtoW( (LPWSTR)lParam, str, wParam );
 667             HeapFree( GetProcessHeap(), 0, str );
 668         }
 669         break;
 670
 671     case WM_SETTEXT:
 672         {
 673             LPSTR str = HEAP_strdupWtoA( GetProcessHeap(), 0, (LPWSTR)lParam );
 674             result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)str );
 675             HeapFree( GetProcessHeap(), 0, str );
 676         }
 677         break;
 678
 679     default:
 680         result = DefWindowProcA( hwnd, msg, wParam, lParam );
 681         break;
 682     }
 683     return result;
 684 }