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         strcpyW( 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         {
 232             POINT pt;
 233             pt.x = SLOWORD(lParam);
 234             pt.y = SHIWORD(lParam);
 235             return NC_HandleNCHitTest( wndPtr->hwndSelf, pt );
 236         }
 237
 238     case WM_NCLBUTTONDOWN:
 239         return NC_HandleNCLButtonDown( wndPtr, wParam, lParam );
 240
 241     case WM_LBUTTONDBLCLK:
 242     case WM_NCLBUTTONDBLCLK:
 243         return NC_HandleNCLButtonDblClk( wndPtr, wParam, lParam );
 244
 245     case WM_RBUTTONUP:
 246     case WM_NCRBUTTONUP:
 247         if ((wndPtr->flags & WIN_ISWIN32) || (TWEAK_WineLook > WIN31_LOOK))
 248         {
 249             ClientToScreen16(wndPtr->hwndSelf, (LPPOINT16)&lParam);
 250             SendMessageA( wndPtr->hwndSelf, WM_CONTEXTMENU,
 251                             wndPtr->hwndSelf, lParam);
 252         }
 253         break;
 254
 255     case WM_CONTEXTMENU:
 256         if( wndPtr->dwStyle & WS_CHILD )
 257             SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 258         else if (wndPtr->hSysMenu)
 259         {
 260             LONG hitcode;
 261             POINT pt;
 262             pt.x = SLOWORD(lParam);
 263             pt.y = SHIWORD(lParam);
 264
 265             ScreenToClient(wndPtr->hwndSelf, &pt);
 266             hitcode = NC_HandleNCHitTest(wndPtr->hwndSelf, pt);
 267
 268             /* Track system popup if click was in the caption area. */
 269             if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
 270                 TrackPopupMenu(GetSystemMenu(wndPtr->hwndSelf, FALSE),
 271                                TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
 272                                pt.x, pt.y, 0, wndPtr->hwndSelf, NULL);
 273         }
 274         break;
 275
 276     case WM_NCACTIVATE:
 277         return NC_HandleNCActivate( wndPtr, wParam );
 278
 279     case WM_NCDESTROY:
 280         if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
 281         wndPtr->text = NULL;
 282         if (wndPtr->pVScroll) HeapFree( SystemHeap, 0, wndPtr->pVScroll );
 283         if (wndPtr->pHScroll) HeapFree( SystemHeap, 0, wndPtr->pHScroll );
 284         wndPtr->pVScroll = wndPtr->pHScroll = NULL;
 285         return 0;
 286
 287     case WM_PRINT:
 288         DEFWND_Print(wndPtr, (HDC)wParam, lParam);
 289         return 0;
 290
 291     case WM_PAINTICON:
 292     case WM_PAINT:
 293         {
 294             PAINTSTRUCT16 ps;
 295             HDC16 hdc = BeginPaint16( wndPtr->hwndSelf, &ps );
 296             if( hdc )
 297             {
 298               if( (wndPtr->dwStyle & WS_MINIMIZE) && wndPtr->class->hIcon )
 299               {
 300                 int x = (wndPtr->rectWindow.right - wndPtr->rectWindow.left -
 301                         GetSystemMetrics(SM_CXICON))/2;
 302                 int y = (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top -
 303                         GetSystemMetrics(SM_CYICON))/2;
 304                 TRACE("Painting class icon: vis rect=(%i,%i - %i,%i)\n",
 305                 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
 306                 DrawIcon( hdc, x, y, wndPtr->class->hIcon );
 307               }
 308               EndPaint16( wndPtr->hwndSelf, &ps );
 309             }
 310             return 0;
 311         }
 312
 313     case WM_SYNCPAINT:
 314         if (wndPtr->hrgnUpdate)
 315         {
 316            RedrawWindow ( wndPtr->hwndSelf, 0, wndPtr->hrgnUpdate,
 317                     RDW_ERASENOW | RDW_ERASE | RDW_FRAME | RDW_ALLCHILDREN );
 318         }
 319         return 0;
 320
 321     case WM_SETREDRAW:
 322         DEFWND_SetRedraw( wndPtr, wParam );
 323         return 0;
 324
 325     case WM_CLOSE:
 326         DestroyWindow( wndPtr->hwndSelf );
 327         return 0;
 328
 329     case WM_MOUSEACTIVATE:
 330         if (wndPtr->dwStyle & WS_CHILD)
 331         {
 332             LONG ret = SendMessage16( wndPtr->parent->hwndSelf,
 333                                       WM_MOUSEACTIVATE, wParam, lParam );
 334             if (ret) return ret;
 335         }
 336
 337         /* Caption clicks are handled by the NC_HandleNCLButtonDown() */
 338         return (LOWORD(lParam) >= HTCLIENT) ? MA_ACTIVATE : MA_NOACTIVATE;
 339
 340     case WM_ACTIVATE:
 341         /* The default action in Windows is to set the keyboard focus to
 342          * the window, if it's being activated and not minimized */
 343         if (LOWORD(wParam) != WA_INACTIVE) {
 344                 if (!(wndPtr->dwStyle & WS_MINIMIZE))
 345                         SetFocus(wndPtr->hwndSelf);
 346         }
 347         break;
 348
 349      case WM_MOUSEWHEEL:
 350         if (wndPtr->dwStyle & WS_CHILD)
 351         {
 352             return SendMessageA( wndPtr->parent->hwndSelf,
 353                                  WM_MOUSEWHEEL, wParam, lParam );
 354         }
 355         break;
 356
 357     case WM_ERASEBKGND:
 358     case WM_ICONERASEBKGND:
 359         {
 360             RECT rect;
 361
 362             if (!wndPtr->class->hbrBackground) return 0;
 363
 364             /*  Since WM_ERASEBKGND may receive either a window dc or a    */
 365             /*  client dc, the area to be erased has to be retrieved from  */
 366             /*  the device context.                                        */
 367             GetClipBox( (HDC)wParam, &rect );
 368
 369             /* Always call the Win32 variant of FillRect even on Win16,
 370              * since despite the fact that Win16, as well as Win32,
 371              * supports special background brushes for a window class,
 372              * the Win16 variant of FillRect does not.
 373              */
 374             FillRect( (HDC) wParam, &rect, wndPtr->class->hbrBackground);
 375             return 1;
 376         }
 377
 378     case WM_GETDLGCODE:
 379         return 0;
 380
 381     case WM_CTLCOLORMSGBOX:
 382     case WM_CTLCOLOREDIT:
 383     case WM_CTLCOLORLISTBOX:
 384     case WM_CTLCOLORBTN:
 385     case WM_CTLCOLORDLG:
 386     case WM_CTLCOLORSTATIC:
 387     case WM_CTLCOLORSCROLLBAR:
 388         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
 389
 390     case WM_CTLCOLOR:
 391         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
 392
 393     case WM_GETTEXTLENGTH:
 394         if (wndPtr->text) return (LRESULT)strlenW(wndPtr->text);
 395         return 0;
 396
 397     case WM_SETCURSOR:
 398         if (wndPtr->dwStyle & WS_CHILD)
 399             if (SendMessage16(wndPtr->parent->hwndSelf, WM_SETCURSOR,
 400                             wParam, lParam))
 401                 return TRUE;
 402         return NC_HandleSetCursor( wndPtr->hwndSelf, wParam, lParam );
 403
 404     case WM_SYSCOMMAND:
 405         {
 406             POINT pt;
 407             pt.x = SLOWORD(lParam);
 408             pt.y = SHIWORD(lParam);
 409             return NC_HandleSysCommand( wndPtr->hwndSelf, wParam, pt );
 410         }
 411
 412     case WM_KEYDOWN:
 413         if(wParam == VK_F10) iF10Key = VK_F10;
 414         break;
 415
 416     case WM_SYSKEYDOWN:
 417         if( HIWORD(lParam) & KEYDATA_ALT )
 418         {
 419             /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
 420               if( wParam == VK_MENU && !iMenuSysKey )
 421                 iMenuSysKey = 1;
 422               else
 423                 iMenuSysKey = 0;
 424
 425             iF10Key = 0;
 426
 427             if( wParam == VK_F4 )       /* try to close the window */
 428             {
 429                 HWND hWnd = WIN_GetTopParent( wndPtr->hwndSelf );
 430                 wndPtr = WIN_FindWndPtr( hWnd );
 431                 if( wndPtr && !(wndPtr->class->style & CS_NOCLOSE) )
 432                     PostMessage16( hWnd, WM_SYSCOMMAND, SC_CLOSE, 0 );
 433                 WIN_ReleaseWndPtr(wndPtr);
 434             }
 435         }
 436         else if( wParam == VK_F10 )
 437                 iF10Key = 1;
 438              else
 439                 if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
 440                     SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 441                                   (WPARAM16)SC_KEYMENU, (LPARAM)VK_SPACE);
 442         break;
 443
 444     case WM_KEYUP:
 445     case WM_SYSKEYUP:
 446         /* Press and release F10 or ALT */
 447         if (((wParam == VK_MENU) && iMenuSysKey) ||
 448             ((wParam == VK_F10) && iF10Key))
 449               SendMessage16( WIN_GetTopParent(wndPtr->hwndSelf),
 450                              WM_SYSCOMMAND, SC_KEYMENU, 0L );
 451         iMenuSysKey = iF10Key = 0;
 452         break;
 453
 454     case WM_SYSCHAR:
 455         iMenuSysKey = 0;
 456         if (wParam == VK_RETURN && (wndPtr->dwStyle & WS_MINIMIZE))
 457         {
 458             PostMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 459                            (WPARAM16)SC_RESTORE, 0L );
 460             break;
 461         }
 462         if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
 463         {
 464             if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
 465             if (wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD))
 466                 SendMessage16( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 467             else
 468                 SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
 469                                (WPARAM16)SC_KEYMENU, (LPARAM)(DWORD)wParam );
 470         }
 471         else /* check for Ctrl-Esc */
 472             if (wParam != VK_ESCAPE) MessageBeep(0);
 473         break;
 474
 475     case WM_SHOWWINDOW:
 476         if (!lParam) return 0; /* sent from ShowWindow */
 477         if (!(wndPtr->dwStyle & WS_POPUP) || !wndPtr->owner) return 0;
 478         if ((wndPtr->dwStyle & WS_VISIBLE) && wParam) return 0;
 479         else if (!(wndPtr->dwStyle & WS_VISIBLE) && !wParam) return 0;
 480         ShowWindow( wndPtr->hwndSelf, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
 481         break;
 482
 483     case WM_CANCELMODE:
 484         if (wndPtr->parent == WIN_GetDesktop()) EndMenu();
 485         if (GetCapture() == wndPtr->hwndSelf) ReleaseCapture();
 486         WIN_ReleaseDesktop();
 487         break;
 488
 489     case WM_VKEYTOITEM:
 490     case WM_CHARTOITEM:
 491         return -1;
 492
 493     case WM_DROPOBJECT:
 494         return DRAG_FILE;
 495
 496     case WM_QUERYDROPOBJECT:
 497         if (wndPtr->dwExStyle & WS_EX_ACCEPTFILES) return 1;
 498         break;
 499
 500     case WM_QUERYDRAGICON:
 501         {
 502             HICON16 hIcon=0;
 503             UINT16 len;
 504
 505             if( (hIcon=wndPtr->class->hCursor) ) return (LRESULT)hIcon;
 506             for(len=1; len<64; len++)
 507                 if((hIcon=LoadIconA(wndPtr->hInstance,MAKEINTRESOURCEA(len))))
 508                     return (LRESULT)hIcon;
 509             return (LRESULT)LoadIconA(0,IDI_APPLICATIONA);
 510         }
 511         break;
 512
 513     case WM_ISACTIVEICON:
 514         return ((wndPtr->flags & WIN_NCACTIVATED) != 0);
 515
 516     case WM_NOTIFYFORMAT:
 517       if (IsWindowUnicode(wndPtr->hwndSelf)) return NFR_UNICODE;
 518       else return NFR_ANSI;
 519
 520     case WM_QUERYOPEN:
 521     case WM_QUERYENDSESSION:
 522         return 1;
 523
 524     case WM_SETICON:
 525         {
 526                 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
 527                 HICON16 hOldIcon = GetClassLongA(wndPtr->hwndSelf, index);
 528                 SetClassLongA(wndPtr->hwndSelf, index, lParam);
 529
 530                 SetWindowPos(wndPtr->hwndSelf, 0, 0, 0, 0, 0, SWP_FRAMECHANGED
 531                          | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE
 532                          | SWP_NOZORDER);
 533
 534                 if( wndPtr->flags & WIN_NATIVE )
 535                     wndPtr->pDriver->pSetHostAttr(wndPtr, HAK_ICONS, 0);
 536
 537                 return hOldIcon;
 538         }
 539
 540     case WM_GETICON:
 541         {
 542                 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
 543                 return GetClassLongA(wndPtr->hwndSelf, index);
 544         }
 545
 546     case WM_HELP:
 547         SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 548         break;
 549     }
 550
 551     return 0;
 552 }
 553
 554
 555
 556 /***********************************************************************
 557  *           DefWindowProc16   (USER.107)
 558  */
 559 LRESULT WINAPI DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
 560                                 LPARAM lParam )
 561 {
 562     WND * wndPtr = WIN_FindWndPtr( hwnd );
 563     LRESULT result = 0;
 564
 565     if (!wndPtr) return 0;
 566     SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
 567
 568     switch(msg)
 569     {
 570     case WM_NCCREATE:
 571         {
 572             CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
 573             if (cs->lpszName)
 574                 DEFWND_SetTextA( wndPtr, (LPCSTR)PTR_SEG_TO_LIN(cs->lpszName) );
 575             result = 1;
 576         }
 577         break;
 578
 579     case WM_NCCALCSIZE:
 580         {
 581             RECT rect32;
 582             CONV_RECT16TO32( (RECT16 *)PTR_SEG_TO_LIN(lParam), &rect32 );
 583             result = NC_HandleNCCalcSize( wndPtr, &rect32 );
 584             CONV_RECT32TO16( &rect32, (RECT16 *)PTR_SEG_TO_LIN(lParam) );
 585         }
 586         break;
 587
 588     case WM_WINDOWPOSCHANGING:
 589         result = WINPOS_HandleWindowPosChanging16( wndPtr,
 590                                        (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam) );
 591         break;
 592
 593     case WM_WINDOWPOSCHANGED:
 594         {
 595             WINDOWPOS16 * winPos = (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam);
 596             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 597         }
 598         break;
 599
 600     case WM_GETTEXT:
 601         if (wParam && wndPtr->text)
 602         {
 603             LPSTR dest = PTR_SEG_TO_LIN(lParam);
 604             if (!WideCharToMultiByte( CP_ACP, 0, wndPtr->text, -1, dest, wParam, NULL, NULL ))
 605                 dest[wParam-1] = 0;
 606             result = strlen(dest);
 607         }
 608         break;
 609
 610     case WM_SETTEXT:
 611         DEFWND_SetTextA( wndPtr, (LPCSTR)PTR_SEG_TO_LIN(lParam) );
 612         if( (wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION )
 613             NC_HandleNCPaint( hwnd , (HRGN)1 );
 614         result = 1; /* success. FIXME: check text length */
 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_DEFWND16, hwnd, msg, result, wParam, lParam );
 624     return result;
 625 }
 626
 627
 628 /***********************************************************************
 629  *  DefWindowProcA [USER32.126]
 630  *
 631  */
 632 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam,
 633                                  LPARAM lParam )
 634 {
 635     WND * wndPtr = WIN_FindWndPtr( hwnd );
 636     LRESULT result = 0;
 637
 638     if (!wndPtr) return 0;
 639     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 640
 641     switch(msg)
 642     {
 643     case WM_NCCREATE:
 644         {
 645             CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
 646             if (cs->lpszName) DEFWND_SetTextA( wndPtr, cs->lpszName );
 647             result = 1;
 648         }
 649         break;
 650
 651     case WM_NCCALCSIZE:
 652         result = NC_HandleNCCalcSize( wndPtr, (RECT *)lParam );
 653         break;
 654
 655     case WM_WINDOWPOSCHANGING:
 656         result = WINPOS_HandleWindowPosChanging( wndPtr,
 657                                                    (WINDOWPOS *)lParam );
 658         break;
 659
 660     case WM_WINDOWPOSCHANGED:
 661         {
 662             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 663             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 664         }
 665         break;
 666
 667     case WM_GETTEXT:
 668         if (wParam && wndPtr->text)
 669         {
 670             if (!WideCharToMultiByte( CP_ACP, 0, wndPtr->text, -1,
 671                                       (LPSTR)lParam, wParam, NULL, NULL ))
 672                 ((LPSTR)lParam)[wParam-1] = 0;
 673             result = (LRESULT)strlen( (LPSTR)lParam );
 674         }
 675         break;
 676
 677     case WM_SETTEXT:
 678         DEFWND_SetTextA( wndPtr, (LPCSTR)lParam );
 679         if( (wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION )
 680             NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 681         result = 1; /* success. FIXME: check text length */
 682         break;
 683
 684     default:
 685         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
 686         break;
 687     }
 688
 689     WIN_ReleaseWndPtr(wndPtr);
 690     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
 691     return result;
 692 }
 693
 694
 695 /***********************************************************************
 696  * DefWindowProcW [USER32.127] Calls default window message handler
 697  *
 698  * Calls default window procedure for messages not processed
 699  *  by application.
 700  *
 701  *  RETURNS
 702  *     Return value is dependent upon the message.
 703 */
 704 LRESULT WINAPI DefWindowProcW(
 705     HWND hwnd,      /* [in] window procedure recieving message */
 706     UINT msg,       /* [in] message identifier */
 707     WPARAM wParam,  /* [in] first message parameter */
 708     LPARAM lParam )   /* [in] second message parameter */
 709 {
 710     WND * wndPtr = WIN_FindWndPtr( hwnd );
 711     LRESULT result = 0;
 712
 713     if (!wndPtr) return 0;
 714     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 715
 716     switch(msg)
 717     {
 718     case WM_NCCREATE:
 719         {
 720             CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
 721             if (cs->lpszName) DEFWND_SetTextW( wndPtr, cs->lpszName );
 722             result = 1;
 723         }
 724         break;
 725
 726     case WM_GETTEXT:
 727         if (wParam && wndPtr->text)
 728         {
 729             lstrcpynW( (LPWSTR)lParam, wndPtr->text, wParam );
 730             result = strlenW( (LPWSTR)lParam );
 731         }
 732         break;
 733
 734     case WM_SETTEXT:
 735         DEFWND_SetTextW( wndPtr, (LPCWSTR)lParam );
 736         if( (wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION )
 737             NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 738         result = 1; /* success. FIXME: check text length */
 739         break;
 740
 741     default:
 742         result = DefWindowProcA( hwnd, msg, wParam, lParam );
 743         break;
 744     }
 745     WIN_ReleaseWndPtr(wndPtr);
 746     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
 747     return result;
 748 }