Updated.
[wine/wine64.git] / windows / defwnd.c
blobe7b570548faf11b85617cf6c5f42b5a5606cf116
1 /*
2 * Default window procedure
4 * Copyright 1993, 1996 Alexandre Julliard
5 * 1995 Alex Korobka
6 */
8 #include <string.h>
10 #include "win.h"
11 #include "user.h"
12 #include "heap.h"
13 #include "nonclient.h"
14 #include "winpos.h"
15 #include "dce.h"
16 #include "debugtools.h"
17 #include "spy.h"
18 #include "tweak.h"
19 #include "cache.h"
20 #include "windef.h"
21 #include "wingdi.h"
22 #include "wine/winuser16.h"
24 DEFAULT_DEBUG_CHANNEL(win)
26 /* bits in the dwKeyData */
27 #define KEYDATA_ALT 0x2000
28 #define KEYDATA_PREVSTATE 0x4000
30 static short iF10Key = 0;
31 static short iMenuSysKey = 0;
33 /***********************************************************************
34 * DEFWND_HandleWindowPosChanged
36 * Handle the WM_WINDOWPOSCHANGED message.
38 static void DEFWND_HandleWindowPosChanged( WND *wndPtr, UINT flags )
40 WPARAM16 wp = SIZE_RESTORED;
42 if (!(flags & SWP_NOCLIENTMOVE))
43 SendMessage16( wndPtr->hwndSelf, WM_MOVE, 0,
44 MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top));
45 if (!(flags & SWP_NOCLIENTSIZE))
47 if (wndPtr->dwStyle & WS_MAXIMIZE) wp = SIZE_MAXIMIZED;
48 else if (wndPtr->dwStyle & WS_MINIMIZE) wp = SIZE_MINIMIZED;
50 SendMessage16( wndPtr->hwndSelf, WM_SIZE, wp,
51 MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
52 wndPtr->rectClient.bottom-wndPtr->rectClient.top));
57 /***********************************************************************
58 * DEFWND_SetText
60 * Set the window text.
62 void DEFWND_SetText( WND *wndPtr, LPCSTR text )
64 if (!text) text = "";
65 if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
66 wndPtr->text = HEAP_strdupA( SystemHeap, 0, text );
67 wndPtr->pDriver->pSetText(wndPtr, wndPtr->text);
70 /***********************************************************************
71 * DEFWND_ControlColor
73 * Default colors for control painting.
75 HBRUSH DEFWND_ControlColor( HDC hDC, UINT16 ctlType )
77 if( ctlType == CTLCOLOR_SCROLLBAR)
79 HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
80 if (TWEAK_WineLook == WIN31_LOOK) {
81 SetTextColor( hDC, RGB(0, 0, 0) );
82 SetBkColor( hDC, RGB(255, 255, 255) );
83 } else {
84 COLORREF bk = GetSysColor(COLOR_3DHILIGHT);
85 SetTextColor( hDC, GetSysColor(COLOR_3DFACE));
86 SetBkColor( hDC, bk);
88 /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
89 * we better use 0x55aa bitmap brush to make scrollbar's background
90 * look different from the window background.
92 if (bk == GetSysColor(COLOR_WINDOW)) {
93 return CACHE_GetPattern55AABrush();
96 UnrealizeObject( hb );
97 return hb;
100 SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
102 if (TWEAK_WineLook > WIN31_LOOK) {
103 if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
104 SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
105 else {
106 SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
107 return GetSysColorBrush(COLOR_3DFACE);
110 else
111 SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
112 return GetSysColorBrush(COLOR_WINDOW);
116 /***********************************************************************
117 * DEFWND_SetRedraw
119 static void DEFWND_SetRedraw( WND* wndPtr, WPARAM wParam )
121 BOOL bVisible = wndPtr->dwStyle & WS_VISIBLE;
123 TRACE("%04x %i\n", wndPtr->hwndSelf, (wParam!=0) );
125 if( wParam )
127 if( !bVisible )
129 wndPtr->dwStyle |= WS_VISIBLE;
130 DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
133 else if( bVisible )
135 if( wndPtr->dwStyle & WS_MINIMIZE ) wParam = RDW_VALIDATE;
136 else wParam = RDW_ALLCHILDREN | RDW_VALIDATE;
138 PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, wParam, 0 );
139 DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
140 wndPtr->dwStyle &= ~WS_VISIBLE;
144 /***********************************************************************
145 * DEFWND_Print
147 * This method handles the default behavior for the WM_PRINT message.
149 static void DEFWND_Print(
150 WND* wndPtr,
151 HDC hdc,
152 ULONG uFlags)
155 * Visibility flag.
157 if ( (uFlags & PRF_CHECKVISIBLE) &&
158 !IsWindowVisible(wndPtr->hwndSelf) )
159 return;
162 * Unimplemented flags.
164 if ( (uFlags & PRF_CHILDREN) ||
165 (uFlags & PRF_OWNED) ||
166 (uFlags & PRF_NONCLIENT) )
168 WARN("WM_PRINT message with unsupported flags\n");
172 * Background
174 if ( uFlags & PRF_ERASEBKGND)
175 SendMessageA(wndPtr->hwndSelf, WM_ERASEBKGND, (WPARAM)hdc, 0);
178 * Client area
180 if ( uFlags & PRF_CLIENT)
181 SendMessageA(wndPtr->hwndSelf, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
184 /***********************************************************************
185 * DEFWND_DefWinProc
187 * Default window procedure for messages that are the same in Win16 and Win32.
189 static LRESULT DEFWND_DefWinProc( WND *wndPtr, UINT msg, WPARAM wParam,
190 LPARAM lParam )
192 switch(msg)
194 case WM_NCPAINT:
195 return NC_HandleNCPaint( wndPtr->hwndSelf, (HRGN)wParam );
197 case WM_NCHITTEST:
198 return NC_HandleNCHitTest( wndPtr->hwndSelf, MAKEPOINT16(lParam) );
200 case WM_NCLBUTTONDOWN:
201 return NC_HandleNCLButtonDown( wndPtr, wParam, lParam );
203 case WM_LBUTTONDBLCLK:
204 case WM_NCLBUTTONDBLCLK:
205 return NC_HandleNCLButtonDblClk( wndPtr, wParam, lParam );
207 case WM_RBUTTONUP:
208 case WM_NCRBUTTONUP:
209 if ((wndPtr->flags & WIN_ISWIN32) || (TWEAK_WineLook > WIN31_LOOK))
211 ClientToScreen16(wndPtr->hwndSelf, (LPPOINT16)&lParam);
212 SendMessageA( wndPtr->hwndSelf, WM_CONTEXTMENU,
213 wndPtr->hwndSelf, lParam);
215 break;
217 case WM_CONTEXTMENU:
218 if( wndPtr->dwStyle & WS_CHILD )
219 SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
220 else if (wndPtr->hSysMenu)
222 LONG hitcode;
223 POINT16 pt = MAKEPOINT16(lParam);
225 ScreenToClient16(wndPtr->hwndSelf, &pt);
226 hitcode = NC_HandleNCHitTest(wndPtr->hwndSelf, pt);
228 /* Track system popup if click was in the caption area. */
229 if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
230 TrackPopupMenu(GetSystemMenu(wndPtr->hwndSelf, FALSE),
231 TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
232 pt.x, pt.y, 0, wndPtr->hwndSelf, NULL);
234 break;
236 case WM_NCACTIVATE:
237 return NC_HandleNCActivate( wndPtr, wParam );
239 case WM_NCDESTROY:
240 if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
241 wndPtr->text = NULL;
242 if (wndPtr->pVScroll) HeapFree( SystemHeap, 0, wndPtr->pVScroll );
243 if (wndPtr->pHScroll) HeapFree( SystemHeap, 0, wndPtr->pHScroll );
244 wndPtr->pVScroll = wndPtr->pHScroll = NULL;
245 return 0;
247 case WM_PRINT:
248 DEFWND_Print(wndPtr, (HDC)wParam, lParam);
249 return 0;
251 case WM_PAINTICON:
252 case WM_PAINT:
254 PAINTSTRUCT16 ps;
255 HDC16 hdc = BeginPaint16( wndPtr->hwndSelf, &ps );
256 if( hdc )
258 if( (wndPtr->dwStyle & WS_MINIMIZE) && wndPtr->class->hIcon )
260 int x = (wndPtr->rectWindow.right - wndPtr->rectWindow.left -
261 GetSystemMetrics(SM_CXICON))/2;
262 int y = (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top -
263 GetSystemMetrics(SM_CYICON))/2;
264 TRACE("Painting class icon: vis rect=(%i,%i - %i,%i)\n",
265 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
266 DrawIcon( hdc, x, y, wndPtr->class->hIcon );
268 EndPaint16( wndPtr->hwndSelf, &ps );
270 return 0;
273 case WM_SETREDRAW:
274 DEFWND_SetRedraw( wndPtr, wParam );
275 return 0;
277 case WM_CLOSE:
278 DestroyWindow( wndPtr->hwndSelf );
279 return 0;
281 case WM_MOUSEACTIVATE:
282 if (wndPtr->dwStyle & WS_CHILD)
284 LONG ret = SendMessage16( wndPtr->parent->hwndSelf,
285 WM_MOUSEACTIVATE, wParam, lParam );
286 if (ret) return ret;
289 /* Caption clicks are handled by the NC_HandleNCLButtonDown() */
290 return (LOWORD(lParam) >= HTCLIENT) ? MA_ACTIVATE : MA_NOACTIVATE;
292 case WM_ACTIVATE:
293 /* The default action in Windows is to set the keyboard focus to
294 * the window, if it's being activated and not minimized */
295 if (LOWORD(wParam) != WA_INACTIVE) {
296 /* I don't know who put this SetWindowPos here, it does not
297 * seem very logical to have it here... (FIXME?) */
298 SetWindowPos(wndPtr->hwndSelf, HWND_TOP, 0, 0, 0, 0,
299 SWP_NOMOVE | SWP_NOSIZE);
300 if (!(wndPtr->dwStyle & WS_MINIMIZE))
301 SetFocus(wndPtr->hwndSelf);
303 break;
305 case WM_ERASEBKGND:
306 case WM_ICONERASEBKGND:
308 RECT rect;
310 if (!wndPtr->class->hbrBackground) return 0;
312 /* Since WM_ERASEBKGND may receive either a window dc or a */
313 /* client dc, the area to be erased has to be retrieved from */
314 /* the device context. */
315 GetClipBox( (HDC)wParam, &rect );
317 /* Always call the Win32 variant of FillRect even on Win16,
318 * since despite the fact that Win16, as well as Win32,
319 * supports special background brushes for a window class,
320 * the Win16 variant of FillRect does not.
322 FillRect( (HDC) wParam, &rect, wndPtr->class->hbrBackground);
323 return 1;
326 case WM_GETDLGCODE:
327 return 0;
329 case WM_CTLCOLORMSGBOX:
330 case WM_CTLCOLOREDIT:
331 case WM_CTLCOLORLISTBOX:
332 case WM_CTLCOLORBTN:
333 case WM_CTLCOLORDLG:
334 case WM_CTLCOLORSTATIC:
335 case WM_CTLCOLORSCROLLBAR:
336 return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
338 case WM_CTLCOLOR:
339 return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
341 case WM_GETTEXTLENGTH:
342 if (wndPtr->text) return (LRESULT)strlen(wndPtr->text);
343 return 0;
345 case WM_SETCURSOR:
346 if (wndPtr->dwStyle & WS_CHILD)
347 if (SendMessage16(wndPtr->parent->hwndSelf, WM_SETCURSOR,
348 wParam, lParam))
349 return TRUE;
350 return NC_HandleSetCursor( wndPtr->hwndSelf, wParam, lParam );
352 case WM_SYSCOMMAND:
353 return NC_HandleSysCommand( wndPtr->hwndSelf, wParam,
354 MAKEPOINT16(lParam) );
356 case WM_KEYDOWN:
357 if(wParam == VK_F10) iF10Key = VK_F10;
358 break;
360 case WM_SYSKEYDOWN:
361 if( HIWORD(lParam) & KEYDATA_ALT )
363 /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
364 if( wParam == VK_MENU && !iMenuSysKey )
365 iMenuSysKey = 1;
366 else
367 iMenuSysKey = 0;
369 iF10Key = 0;
371 if( wParam == VK_F4 ) /* try to close the window */
373 HWND hWnd = WIN_GetTopParent( wndPtr->hwndSelf );
374 wndPtr = WIN_FindWndPtr( hWnd );
375 if( wndPtr && !(wndPtr->class->style & CS_NOCLOSE) )
376 PostMessage16( hWnd, WM_SYSCOMMAND, SC_CLOSE, 0 );
377 WIN_ReleaseWndPtr(wndPtr);
380 else if( wParam == VK_F10 )
381 iF10Key = 1;
382 else
383 if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
384 SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
385 (WPARAM16)SC_KEYMENU, (LPARAM)VK_SPACE);
386 break;
388 case WM_KEYUP:
389 case WM_SYSKEYUP:
390 /* Press and release F10 or ALT */
391 if (((wParam == VK_MENU) && iMenuSysKey) ||
392 ((wParam == VK_F10) && iF10Key))
393 SendMessage16( WIN_GetTopParent(wndPtr->hwndSelf),
394 WM_SYSCOMMAND, SC_KEYMENU, 0L );
395 iMenuSysKey = iF10Key = 0;
396 break;
398 case WM_SYSCHAR:
399 iMenuSysKey = 0;
400 if (wParam == VK_RETURN && (wndPtr->dwStyle & WS_MINIMIZE))
402 PostMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
403 (WPARAM16)SC_RESTORE, 0L );
404 break;
406 if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
408 if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
409 if (wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD))
410 SendMessage16( wndPtr->parent->hwndSelf, msg, wParam, lParam );
411 else
412 SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
413 (WPARAM16)SC_KEYMENU, (LPARAM)(DWORD)wParam );
415 else /* check for Ctrl-Esc */
416 if (wParam != VK_ESCAPE) MessageBeep(0);
417 break;
419 case WM_SHOWWINDOW:
420 if (!lParam) return 0; /* sent from ShowWindow */
421 if (!(wndPtr->dwStyle & WS_POPUP) || !wndPtr->owner) return 0;
422 if ((wndPtr->dwStyle & WS_VISIBLE) && wParam) return 0;
423 else if (!(wndPtr->dwStyle & WS_VISIBLE) && !wParam) return 0;
424 ShowWindow( wndPtr->hwndSelf, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
425 break;
427 case WM_CANCELMODE:
428 if (wndPtr->parent == WIN_GetDesktop()) EndMenu();
429 if (GetCapture() == wndPtr->hwndSelf) ReleaseCapture();
430 WIN_ReleaseDesktop();
431 break;
433 case WM_VKEYTOITEM:
434 case WM_CHARTOITEM:
435 return -1;
437 case WM_DROPOBJECT:
438 return DRAG_FILE;
440 case WM_QUERYDROPOBJECT:
441 if (wndPtr->dwExStyle & WS_EX_ACCEPTFILES) return 1;
442 break;
444 case WM_QUERYDRAGICON:
446 HICON16 hIcon=0;
447 UINT16 len;
449 if( (hIcon=wndPtr->class->hCursor) ) return (LRESULT)hIcon;
450 for(len=1; len<64; len++)
451 if((hIcon=LoadIcon16(wndPtr->hInstance,MAKEINTRESOURCE16(len))))
452 return (LRESULT)hIcon;
453 return (LRESULT)LoadIcon16(0,IDI_APPLICATION16);
455 break;
457 case WM_ISACTIVEICON:
458 return ((wndPtr->flags & WIN_NCACTIVATED) != 0);
460 case WM_NOTIFYFORMAT:
461 if (IsWindowUnicode(wndPtr->hwndSelf)) return NFR_UNICODE;
462 else return NFR_ANSI;
464 case WM_QUERYOPEN:
465 case WM_QUERYENDSESSION:
466 return 1;
468 case WM_SETICON:
469 case WM_GETICON:
471 LRESULT result = 0;
472 int index = GCL_HICON;
474 if (wParam == ICON_SMALL)
475 index = GCL_HICONSM;
477 result = GetClassLongA(wndPtr->hwndSelf, index);
479 if (msg == WM_SETICON)
480 SetClassLongA(wndPtr->hwndSelf, index, lParam);
482 return result;
484 case WM_HELP:
485 SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
486 break;
489 return 0;
494 /***********************************************************************
495 * DefWindowProc16 (USER.107)
497 LRESULT WINAPI DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
498 LPARAM lParam )
500 WND * wndPtr = WIN_FindWndPtr( hwnd );
501 LRESULT result = 0;
503 if (!wndPtr) return 0;
504 SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
506 switch(msg)
508 case WM_NCCREATE:
510 CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
511 if (cs->lpszName)
512 DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(cs->lpszName) );
513 result = 1;
515 break;
517 case WM_NCCALCSIZE:
519 RECT rect32;
520 CONV_RECT16TO32( (RECT16 *)PTR_SEG_TO_LIN(lParam), &rect32 );
521 result = NC_HandleNCCalcSize( wndPtr, &rect32 );
522 CONV_RECT32TO16( &rect32, (RECT16 *)PTR_SEG_TO_LIN(lParam) );
524 break;
526 case WM_WINDOWPOSCHANGING:
527 result = WINPOS_HandleWindowPosChanging16( wndPtr,
528 (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam) );
529 break;
531 case WM_WINDOWPOSCHANGED:
533 WINDOWPOS16 * winPos = (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam);
534 DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
536 break;
538 case WM_GETTEXT:
539 if (wParam && wndPtr->text)
541 lstrcpynA( (LPSTR)PTR_SEG_TO_LIN(lParam), wndPtr->text, wParam );
542 result = (LRESULT)strlen( (LPSTR)PTR_SEG_TO_LIN(lParam) );
544 break;
546 case WM_SETTEXT:
547 DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(lParam) );
548 if( wndPtr->dwStyle & WS_CAPTION ) NC_HandleNCPaint( hwnd , (HRGN)1 );
549 break;
551 default:
552 result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
553 break;
556 WIN_ReleaseWndPtr(wndPtr);
557 SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result );
558 return result;
562 /***********************************************************************
563 * DefWindowProc32A [USER32.126]
566 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam,
567 LPARAM lParam )
569 WND * wndPtr = WIN_FindWndPtr( hwnd );
570 LRESULT result = 0;
572 if (!wndPtr) return 0;
573 SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
575 switch(msg)
577 case WM_NCCREATE:
579 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
580 if (cs->lpszName) DEFWND_SetText( wndPtr, cs->lpszName );
581 result = 1;
583 break;
585 case WM_NCCALCSIZE:
586 result = NC_HandleNCCalcSize( wndPtr, (RECT *)lParam );
587 break;
589 case WM_WINDOWPOSCHANGING:
590 result = WINPOS_HandleWindowPosChanging( wndPtr,
591 (WINDOWPOS *)lParam );
592 break;
594 case WM_WINDOWPOSCHANGED:
596 WINDOWPOS * winPos = (WINDOWPOS *)lParam;
597 DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
599 break;
601 case WM_GETTEXT:
602 if (wParam && wndPtr->text)
604 lstrcpynA( (LPSTR)lParam, wndPtr->text, wParam );
605 result = (LRESULT)strlen( (LPSTR)lParam );
607 break;
609 case WM_SETTEXT:
610 DEFWND_SetText( wndPtr, (LPSTR)lParam );
611 NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
612 break;
614 default:
615 result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
616 break;
619 WIN_ReleaseWndPtr(wndPtr);
620 SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result );
621 return result;
625 /***********************************************************************
626 * DefWindowProc32W [USER32.127] Calls default window message handler
628 * Calls default window procedure for messages not processed
629 * by application.
631 * RETURNS
632 * Return value is dependent upon the message.
634 LRESULT WINAPI DefWindowProcW(
635 HWND hwnd, /* [in] window procedure recieving message */
636 UINT msg, /* [in] message identifier */
637 WPARAM wParam, /* [in] first message parameter */
638 LPARAM lParam ) /* [in] second message parameter */
640 LRESULT result;
642 switch(msg)
644 case WM_NCCREATE:
646 CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
647 if (cs->lpszName)
649 WND *wndPtr = WIN_FindWndPtr( hwnd );
650 LPSTR str = HEAP_strdupWtoA(GetProcessHeap(), 0, cs->lpszName);
651 DEFWND_SetText( wndPtr, str );
652 HeapFree( GetProcessHeap(), 0, str );
653 WIN_ReleaseWndPtr(wndPtr);
655 result = 1;
657 break;
659 case WM_GETTEXT:
661 LPSTR str = HeapAlloc( GetProcessHeap(), 0, wParam );
662 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)str );
663 lstrcpynAtoW( (LPWSTR)lParam, str, wParam );
664 HeapFree( GetProcessHeap(), 0, str );
666 break;
668 case WM_SETTEXT:
670 LPSTR str = HEAP_strdupWtoA( GetProcessHeap(), 0, (LPWSTR)lParam );
671 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)str );
672 HeapFree( GetProcessHeap(), 0, str );
674 break;
676 default:
677 result = DefWindowProcA( hwnd, msg, wParam, lParam );
678 break;
680 return result;