2 * Default window procedure
4 * Copyright 1993, 1996 Alexandre Julliard
12 #include "nonclient.h"
15 #include "debugtools.h"
20 #include "wine/unicode.h"
21 #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( HWND hwnd, UINT flags )
41 WND *wndPtr = WIN_FindWndPtr( hwnd );
43 rect = wndPtr->rectClient;
44 WIN_ReleaseWndPtr( wndPtr );
46 if (!(flags & SWP_NOCLIENTMOVE))
47 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG(rect.left, rect.top));
49 if (!(flags & SWP_NOCLIENTSIZE))
51 WPARAM wp = SIZE_RESTORED;
52 if (IsZoomed(hwnd)) wp = SIZE_MAXIMIZED;
53 else if (IsIconic(hwnd)) wp = SIZE_MINIMIZED;
55 SendMessageW( hwnd, WM_SIZE, wp, MAKELONG(rect.right-rect.left, rect.bottom-rect.top) );
60 /***********************************************************************
63 * Set the window text.
65 static void DEFWND_SetTextA( HWND hwnd, LPCSTR text )
72 count = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 );
74 if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return;
75 if (wndPtr->text) HeapFree(GetProcessHeap(), 0, wndPtr->text);
76 if ((wndPtr->text = textW = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
77 MultiByteToWideChar( CP_ACP, 0, text, -1, wndPtr->text, count );
79 ERR("Not enough memory for window text\n");
80 WIN_ReleaseWndPtr( wndPtr );
82 if (USER_Driver.pSetWindowText) USER_Driver.pSetWindowText( hwnd, textW );
85 /***********************************************************************
88 * Set the window text.
90 static void DEFWND_SetTextW( HWND hwnd, LPCWSTR text )
92 static const WCHAR empty_string[] = {0};
96 if (!text) text = empty_string;
97 count = strlenW(text) + 1;
99 if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return;
100 if (wndPtr->text) HeapFree(GetProcessHeap(), 0, wndPtr->text);
101 if ((wndPtr->text = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
102 strcpyW( wndPtr->text, text );
104 ERR("Not enough memory for window text\n");
106 WIN_ReleaseWndPtr( wndPtr );
108 if (USER_Driver.pSetWindowText) USER_Driver.pSetWindowText( hwnd, text );
111 /***********************************************************************
112 * DEFWND_ControlColor
114 * Default colors for control painting.
116 HBRUSH DEFWND_ControlColor( HDC hDC, UINT ctlType )
118 if( ctlType == CTLCOLOR_SCROLLBAR)
120 HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
121 if (TWEAK_WineLook == WIN31_LOOK) {
122 SetTextColor( hDC, RGB(0, 0, 0) );
123 SetBkColor( hDC, RGB(255, 255, 255) );
125 COLORREF bk = GetSysColor(COLOR_3DHILIGHT);
126 SetTextColor( hDC, GetSysColor(COLOR_3DFACE));
127 SetBkColor( hDC, bk);
129 /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
130 * we better use 0x55aa bitmap brush to make scrollbar's background
131 * look different from the window background.
133 if (bk == GetSysColor(COLOR_WINDOW)) {
134 return CACHE_GetPattern55AABrush();
137 UnrealizeObject( hb );
141 SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
143 if (TWEAK_WineLook > WIN31_LOOK) {
144 if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
145 SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
147 SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
148 return GetSysColorBrush(COLOR_3DFACE);
152 SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
153 return GetSysColorBrush(COLOR_WINDOW);
157 /***********************************************************************
160 static void DEFWND_SetRedraw( HWND hwnd, WPARAM wParam )
162 WND *wndPtr = WIN_FindWndPtr( hwnd );
163 BOOL bVisible = wndPtr->dwStyle & WS_VISIBLE;
165 TRACE("%04x %i\n", wndPtr->hwndSelf, (wParam!=0) );
171 wndPtr->dwStyle |= WS_VISIBLE;
172 DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
177 if( wndPtr->dwStyle & WS_MINIMIZE ) wParam = RDW_VALIDATE;
178 else wParam = RDW_ALLCHILDREN | RDW_VALIDATE;
180 RedrawWindow( wndPtr->hwndSelf, NULL, 0, wParam );
181 DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
182 wndPtr->dwStyle &= ~WS_VISIBLE;
184 WIN_ReleaseWndPtr( wndPtr );
187 /***********************************************************************
190 * This method handles the default behavior for the WM_PRINT message.
192 static void DEFWND_Print( HWND hwnd, HDC hdc, ULONG uFlags)
197 if ( (uFlags & PRF_CHECKVISIBLE) &&
198 !IsWindowVisible(hwnd) )
202 * Unimplemented flags.
204 if ( (uFlags & PRF_CHILDREN) ||
205 (uFlags & PRF_OWNED) ||
206 (uFlags & PRF_NONCLIENT) )
208 WARN("WM_PRINT message with unsupported flags\n");
214 if ( uFlags & PRF_ERASEBKGND)
215 SendMessageW(hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0);
220 if ( uFlags & PRF_CLIENT)
221 SendMessageW(hwnd, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
226 * helpers for calling IMM32
228 * WM_IME_* messages are generated only by IMM32,
229 * so I assume imm32 is already LoadLibrary-ed.
231 static HWND DEFWND_ImmGetDefaultIMEWnd( HWND hwnd )
233 HINSTANCE hInstIMM = GetModuleHandleA( "imm32" );
234 HWND WINAPI (*pFunc)(HWND);
239 ERR( "cannot get IMM32 handle\n" );
243 pFunc = (void*)GetProcAddress(hInstIMM,"ImmGetDefaultIMEWnd");
245 hwndRet = (*pFunc)( hwnd );
250 static BOOL DEFWND_ImmIsUIMessageA( HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam )
252 HINSTANCE hInstIMM = GetModuleHandleA( "imm32" );
253 BOOL WINAPI (*pFunc)(HWND,UINT,WPARAM,LPARAM);
258 ERR( "cannot get IMM32 handle\n" );
262 pFunc = (void*)GetProcAddress(hInstIMM,"ImmIsUIMessageA");
264 fRet = (*pFunc)( hwndIME, msg, wParam, lParam );
269 static BOOL DEFWND_ImmIsUIMessageW( HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam )
271 HINSTANCE hInstIMM = GetModuleHandleA( "imm32" );
272 BOOL WINAPI (*pFunc)(HWND,UINT,WPARAM,LPARAM);
277 ERR( "cannot get IMM32 handle\n" );
281 pFunc = (void*)GetProcAddress(hInstIMM,"ImmIsUIMessageW");
283 fRet = (*pFunc)( hwndIME, msg, wParam, lParam );
290 /***********************************************************************
293 * Default window procedure for messages that are the same in Win16 and Win32.
295 static LRESULT DEFWND_DefWinProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
300 return NC_HandleNCPaint( hwnd, (HRGN)wParam );
305 pt.x = SLOWORD(lParam);
306 pt.y = SHIWORD(lParam);
307 return NC_HandleNCHitTest( hwnd, pt );
310 case WM_NCLBUTTONDOWN:
311 return NC_HandleNCLButtonDown( hwnd, wParam, lParam );
313 case WM_LBUTTONDBLCLK:
314 case WM_NCLBUTTONDBLCLK:
315 return NC_HandleNCLButtonDblClk( hwnd, wParam, lParam );
317 case WM_NCRBUTTONDOWN:
318 /* in Windows, capture is taken when right-clicking on the caption bar */
319 if (wParam==HTCAPTION)
329 if (hwnd == GetCapture())
330 /* release capture if we took it on WM_NCRBUTTONDOWN */
333 pt.x = SLOWORD(lParam);
334 pt.y = SHIWORD(lParam);
335 ClientToScreen(hwnd, &pt);
336 SendMessageW( hwnd, WM_CONTEXTMENU, hwnd, MAKELPARAM(pt.x, pt.y) );
342 * FIXME : we must NOT send WM_CONTEXTMENU on a WM_NCRBUTTONUP (checked
343 * in Windows), but what _should_ we do? According to MSDN :
344 * "If it is appropriate to do so, the system sends the WM_SYSCOMMAND
345 * message to the window". When is it appropriate?
350 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
351 SendMessageW( GetParent(hwnd), msg, wParam, lParam );
356 WND *wndPtr = WIN_FindWndPtr( hwnd );
357 HMENU hMenu = wndPtr->hSysMenu;
358 WIN_ReleaseWndPtr( wndPtr );
359 if (!hMenu) return 0;
360 pt.x = SLOWORD(lParam);
361 pt.y = SHIWORD(lParam);
362 hitcode = NC_HandleNCHitTest(hwnd, pt);
364 /* Track system popup if click was in the caption area. */
365 if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
366 TrackPopupMenu(GetSystemMenu(hwnd, FALSE),
367 TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
368 pt.x, pt.y, 0, hwnd, NULL);
373 return NC_HandleNCActivate( hwnd, wParam );
377 WND *wndPtr = WIN_FindWndPtr( hwnd );
378 if (!wndPtr) return 0;
379 if (wndPtr->text) HeapFree( GetProcessHeap(), 0, wndPtr->text );
381 if (wndPtr->pVScroll) HeapFree( GetProcessHeap(), 0, wndPtr->pVScroll );
382 if (wndPtr->pHScroll) HeapFree( GetProcessHeap(), 0, wndPtr->pHScroll );
383 wndPtr->pVScroll = wndPtr->pHScroll = NULL;
384 WIN_ReleaseWndPtr( wndPtr );
389 DEFWND_Print(hwnd, (HDC)wParam, lParam);
396 HDC hdc = BeginPaint( hwnd, &ps );
400 if (IsIconic(hwnd) && ((hIcon = GetClassLongW( hwnd, GCL_HICON))) )
405 GetClientRect( hwnd, &rc );
406 x = (rc.right - rc.left - GetSystemMetrics(SM_CXICON))/2;
407 y = (rc.bottom - rc.top - GetSystemMetrics(SM_CYICON))/2;
408 TRACE("Painting class icon: vis rect=(%i,%i - %i,%i)\n",
409 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
410 DrawIcon( hdc, x, y, hIcon );
412 EndPaint( hwnd, &ps );
418 RedrawWindow ( hwnd, NULL, 0, RDW_ERASENOW | RDW_ERASE | RDW_ALLCHILDREN );
422 DEFWND_SetRedraw( hwnd, wParam );
426 DestroyWindow( hwnd );
429 case WM_MOUSEACTIVATE:
430 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
432 LONG ret = SendMessageW( GetParent(hwnd), WM_MOUSEACTIVATE, wParam, lParam );
436 /* Caption clicks are handled by the NC_HandleNCLButtonDown() */
437 return (LOWORD(lParam) >= HTCLIENT) ? MA_ACTIVATE : MA_NOACTIVATE;
440 /* The default action in Windows is to set the keyboard focus to
441 * the window, if it's being activated and not minimized */
442 if (LOWORD(wParam) != WA_INACTIVE) {
443 if (!IsIconic(hwnd)) SetFocus(hwnd);
448 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
449 return SendMessageW( GetParent(hwnd), WM_MOUSEWHEEL, wParam, lParam );
453 case WM_ICONERASEBKGND:
456 HDC hdc = (HDC)wParam;
457 HBRUSH hbr = GetClassLongW( hwnd, GCL_HBRBACKGROUND );
460 if (GetClassLongW( hwnd, GCL_STYLE ) & CS_PARENTDC)
462 /* can't use GetClipBox with a parent DC or we fill the whole parent */
463 GetClientRect( hwnd, &rect );
464 DPtoLP( hdc, (LPPOINT)&rect, 2 );
466 else GetClipBox( hdc, &rect );
467 FillRect( hdc, &rect, hbr );
474 case WM_CTLCOLORMSGBOX:
475 case WM_CTLCOLOREDIT:
476 case WM_CTLCOLORLISTBOX:
479 case WM_CTLCOLORSTATIC:
480 case WM_CTLCOLORSCROLLBAR:
481 return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
484 return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
487 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
489 /* with the exception of the border around a resizable wnd,
490 * give the parent first chance to set the cursor */
491 if ((LOWORD(lParam) < HTSIZEFIRST) || (LOWORD(lParam) > HTSIZELAST))
493 if (SendMessageW(GetParent(hwnd), WM_SETCURSOR, wParam, lParam)) return TRUE;
496 return NC_HandleSetCursor( hwnd, wParam, lParam );
501 pt.x = SLOWORD(lParam);
502 pt.y = SHIWORD(lParam);
503 return NC_HandleSysCommand( hwnd, wParam, pt );
507 if(wParam == VK_F10) iF10Key = VK_F10;
511 if( HIWORD(lParam) & KEYDATA_ALT )
513 /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
514 if( wParam == VK_MENU && !iMenuSysKey )
521 if( wParam == VK_F4 ) /* try to close the window */
523 HWND top = WIN_GetTopParent( hwnd );
524 if (!(GetClassLongW( top, GCL_STYLE ) & CS_NOCLOSE))
525 PostMessageW( top, WM_SYSCOMMAND, SC_CLOSE, 0 );
528 else if( wParam == VK_F10 )
531 if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
532 SendMessageW( hwnd, WM_SYSCOMMAND, SC_KEYMENU, VK_SPACE );
537 /* Press and release F10 or ALT */
538 if (((wParam == VK_MENU) && iMenuSysKey) ||
539 ((wParam == VK_F10) && iF10Key))
540 SendMessageW( WIN_GetTopParent(hwnd), WM_SYSCOMMAND, SC_KEYMENU, 0L );
541 iMenuSysKey = iF10Key = 0;
546 if (wParam == VK_RETURN && IsIconic(hwnd))
548 PostMessageW( hwnd, WM_SYSCOMMAND, SC_RESTORE, 0L );
551 if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
553 if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
554 if (wParam == VK_SPACE && (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD))
555 SendMessageW( GetParent(hwnd), msg, wParam, lParam );
557 SendMessageW( hwnd, WM_SYSCOMMAND, SC_KEYMENU, wParam );
559 else /* check for Ctrl-Esc */
560 if (wParam != VK_ESCAPE) MessageBeep(0);
565 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
566 if (!lParam) return 0; /* sent from ShowWindow */
567 if (!(style & WS_POPUP)) return 0;
568 if ((style & WS_VISIBLE) && wParam) return 0;
569 if (!(style & WS_VISIBLE) && !wParam) return 0;
570 if (!GetWindow( hwnd, GW_OWNER )) return 0;
571 ShowWindow( hwnd, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
576 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) EndMenu();
577 if (GetCapture() == hwnd) ReleaseCapture();
587 case WM_QUERYDROPOBJECT:
588 return (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES) != 0;
590 case WM_QUERYDRAGICON:
594 HICON hIcon = GetClassLongW( hwnd, GCL_HICON );
595 HINSTANCE instance = GetWindowLongW( hwnd, GWL_HINSTANCE );
596 if (hIcon) return hIcon;
597 for(len=1; len<64; len++)
598 if((hIcon = LoadIconW(instance, MAKEINTRESOURCEW(len))))
599 return (LRESULT)hIcon;
600 return (LRESULT)LoadIconW(0, IDI_APPLICATIONW);
604 case WM_ISACTIVEICON:
606 WND *wndPtr = WIN_FindWndPtr( hwnd );
607 BOOL ret = (wndPtr->flags & WIN_NCACTIVATED) != 0;
608 WIN_ReleaseWndPtr( wndPtr );
612 case WM_NOTIFYFORMAT:
613 if (IsWindowUnicode(hwnd)) return NFR_UNICODE;
614 else return NFR_ANSI;
617 case WM_QUERYENDSESSION:
621 if (USER_Driver.pSetWindowIcon)
622 return USER_Driver.pSetWindowIcon( hwnd, lParam, (wParam != ICON_SMALL) );
625 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
626 HICON hOldIcon = GetClassLongW(hwnd, index);
627 SetClassLongW(hwnd, index, lParam);
629 SetWindowPos(hwnd, 0, 0, 0, 0, 0, SWP_FRAMECHANGED
630 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE
637 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
638 return GetClassLongW(hwnd, index);
642 SendMessageW( GetParent(hwnd), msg, wParam, lParam );
651 /***********************************************************************
652 * DefWindowProc (USER.107)
654 LRESULT WINAPI DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
659 if (!IsWindow( hwnd )) return 0;
660 SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
666 CREATESTRUCT16 *cs = MapSL(lParam);
667 /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
668 * may have child window IDs instead of window name */
669 if (HIWORD(cs->lpszName))
670 DEFWND_SetTextA( hwnd, MapSL(cs->lpszName) );
678 CONV_RECT16TO32( MapSL(lParam), &rect32 );
679 result = NC_HandleNCCalcSize( hwnd, &rect32 );
680 CONV_RECT32TO16( &rect32, MapSL(lParam) );
684 case WM_WINDOWPOSCHANGING:
685 result = WINPOS_HandleWindowPosChanging16( hwnd, MapSL(lParam) );
688 case WM_WINDOWPOSCHANGED:
690 WINDOWPOS16 * winPos = MapSL(lParam);
691 DEFWND_HandleWindowPosChanged( hwnd, winPos->flags );
697 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)MapSL(lParam) );
701 result = DefWindowProcA( hwnd, msg, wParam, lParam );
705 SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result, wParam, lParam );
710 /***********************************************************************
711 * DefWindowProcA (USER32.@)
714 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
718 if (!IsWindow( hwnd )) return 0;
719 SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
725 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
726 /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
727 * may have child window IDs instead of window name */
728 if (HIWORD(cs->lpszName))
729 DEFWND_SetTextA( hwnd, cs->lpszName );
735 result = NC_HandleNCCalcSize( hwnd, (RECT *)lParam );
738 case WM_WINDOWPOSCHANGING:
739 result = WINPOS_HandleWindowPosChanging( hwnd, (WINDOWPOS *)lParam );
742 case WM_WINDOWPOSCHANGED:
744 WINDOWPOS * winPos = (WINDOWPOS *)lParam;
745 DEFWND_HandleWindowPosChanged( hwnd, winPos->flags );
749 case WM_GETTEXTLENGTH:
751 WND *wndPtr = WIN_FindWndPtr( hwnd );
752 if (wndPtr && wndPtr->text)
753 result = WideCharToMultiByte( CP_ACP, 0, wndPtr->text, strlenW(wndPtr->text),
754 NULL, 0, NULL, NULL );
755 WIN_ReleaseWndPtr( wndPtr );
761 WND *wndPtr = WIN_FindWndPtr( hwnd );
762 if (wParam && wndPtr && wndPtr->text)
764 LPSTR dest = (LPSTR)lParam;
765 if (!WideCharToMultiByte( CP_ACP, 0, wndPtr->text, -1,
766 dest, wParam, NULL, NULL )) dest[wParam-1] = 0;
767 result = strlen( dest );
769 WIN_ReleaseWndPtr( wndPtr );
774 DEFWND_SetTextA( hwnd, (LPCSTR)lParam );
775 if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
776 NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
777 result = 1; /* success. FIXME: check text length */
780 /* for far east users (IMM32) - <hidenori@a2.ctktv.ne.jp> */
783 CHAR chChar1 = (CHAR)( (wParam>>8) & 0xff );
784 CHAR chChar2 = (CHAR)( wParam & 0xff );
786 SendMessageA( hwnd, WM_CHAR, (WPARAM)chChar1, lParam );
787 if ( IsDBCSLeadByte( chChar1 ) )
788 SendMessageA( hwnd, WM_CHAR, (WPARAM)chChar2, lParam );
792 result = SendMessageA( hwnd, WM_KEYDOWN, wParam, lParam );
795 result = SendMessageA( hwnd, WM_KEYUP, wParam, lParam );
798 case WM_IME_STARTCOMPOSITION:
799 case WM_IME_COMPOSITION:
800 case WM_IME_ENDCOMPOSITION:
805 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
807 result = SendMessageA( hwndIME, msg, wParam, lParam );
810 case WM_IME_SETCONTEXT:
814 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
816 result = DEFWND_ImmIsUIMessageA( hwndIME, msg, wParam, lParam );
821 result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
825 SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
830 /***********************************************************************
831 * DefWindowProcW (USER32.@) Calls default window message handler
833 * Calls default window procedure for messages not processed
837 * Return value is dependent upon the message.
839 LRESULT WINAPI DefWindowProcW(
840 HWND hwnd, /* [in] window procedure receiving message */
841 UINT msg, /* [in] message identifier */
842 WPARAM wParam, /* [in] first message parameter */
843 LPARAM lParam ) /* [in] second message parameter */
847 if (!IsWindow( hwnd )) return 0;
848 SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
854 CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
855 /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
856 * may have child window IDs instead of window name */
857 if (HIWORD(cs->lpszName))
858 DEFWND_SetTextW( hwnd, cs->lpszName );
864 result = NC_HandleNCCalcSize( hwnd, (RECT *)lParam );
867 case WM_WINDOWPOSCHANGING:
868 result = WINPOS_HandleWindowPosChanging( hwnd, (WINDOWPOS *)lParam );
871 case WM_WINDOWPOSCHANGED:
873 WINDOWPOS * winPos = (WINDOWPOS *)lParam;
874 DEFWND_HandleWindowPosChanged( hwnd, winPos->flags );
878 case WM_GETTEXTLENGTH:
880 WND *wndPtr = WIN_FindWndPtr( hwnd );
881 if (wndPtr && wndPtr->text) result = (LRESULT)strlenW(wndPtr->text);
882 WIN_ReleaseWndPtr( wndPtr );
888 WND *wndPtr = WIN_FindWndPtr( hwnd );
889 if (wParam && wndPtr && wndPtr->text)
891 LPWSTR dest = (LPWSTR)lParam;
892 lstrcpynW( dest, wndPtr->text, wParam );
893 result = strlenW( dest );
895 WIN_ReleaseWndPtr( wndPtr );
900 DEFWND_SetTextW( hwnd, (LPCWSTR)lParam );
901 if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
902 NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
903 result = 1; /* success. FIXME: check text length */
906 /* for far east users (IMM32) - <hidenori@a2.ctktv.ne.jp> */
908 SendMessageW( hwnd, WM_CHAR, wParam, lParam );
910 case WM_IME_SETCONTEXT:
914 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
916 result = DEFWND_ImmIsUIMessageW( hwndIME, msg, wParam, lParam );
921 result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
924 SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );