2 * Default window procedure
4 * Copyright 1993, 1996 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "wine/port.h"
34 #include "user_private.h"
37 #include "wine/unicode.h"
38 #include "wine/winuser16.h"
39 #include "wine/server.h"
40 #include "wine/debug.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(win);
44 /* bits in the dwKeyData */
45 #define KEYDATA_ALT 0x2000
46 #define KEYDATA_PREVSTATE 0x4000
48 static short iF10Key = 0;
49 static short iMenuSysKey = 0;
50 static const WCHAR imm32W[] = { 'i','m','m','3','2','\0' };
52 /***********************************************************************
53 * DEFWND_HandleWindowPosChanged
55 * Handle the WM_WINDOWPOSCHANGED message.
57 static void DEFWND_HandleWindowPosChanged( HWND hwnd, const WINDOWPOS *winpos )
60 WND *wndPtr = WIN_GetPtr( hwnd );
62 rect = wndPtr->rectClient;
63 WIN_ReleasePtr( wndPtr );
65 if (!(winpos->flags & SWP_NOCLIENTMOVE))
66 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG(rect.left, rect.top));
68 if (!(winpos->flags & SWP_NOCLIENTSIZE))
70 WPARAM wp = SIZE_RESTORED;
71 if (IsZoomed(hwnd)) wp = SIZE_MAXIMIZED;
72 else if (IsIconic(hwnd)) wp = SIZE_MINIMIZED;
74 SendMessageW( hwnd, WM_SIZE, wp, MAKELONG(rect.right-rect.left, rect.bottom-rect.top) );
79 /***********************************************************************
82 * Set the window text.
84 static void DEFWND_SetTextA( HWND hwnd, LPCSTR text )
91 count = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 );
93 if (!(wndPtr = WIN_GetPtr( hwnd ))) return;
94 if ((textW = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
96 HeapFree(GetProcessHeap(), 0, wndPtr->text);
98 MultiByteToWideChar( CP_ACP, 0, text, -1, textW, count );
99 SERVER_START_REQ( set_window_text )
102 wine_server_add_data( req, textW, (count-1) * sizeof(WCHAR) );
103 wine_server_call( req );
108 ERR("Not enough memory for window text\n");
109 WIN_ReleasePtr( wndPtr );
111 USER_Driver->pSetWindowText( hwnd, textW );
114 /***********************************************************************
117 * Set the window text.
119 static void DEFWND_SetTextW( HWND hwnd, LPCWSTR text )
121 static const WCHAR empty_string[] = {0};
125 if (!text) text = empty_string;
126 count = strlenW(text) + 1;
128 if (!(wndPtr = WIN_GetPtr( hwnd ))) return;
129 HeapFree(GetProcessHeap(), 0, wndPtr->text);
130 if ((wndPtr->text = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
132 strcpyW( wndPtr->text, text );
133 SERVER_START_REQ( set_window_text )
136 wine_server_add_data( req, wndPtr->text, (count-1) * sizeof(WCHAR) );
137 wine_server_call( req );
142 ERR("Not enough memory for window text\n");
144 WIN_ReleasePtr( wndPtr );
146 USER_Driver->pSetWindowText( hwnd, text );
149 /***********************************************************************
150 * DEFWND_ControlColor
152 * Default colors for control painting.
154 HBRUSH DEFWND_ControlColor( HDC hDC, UINT ctlType )
156 if( ctlType == CTLCOLOR_SCROLLBAR)
158 HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
159 COLORREF bk = GetSysColor(COLOR_3DHILIGHT);
160 SetTextColor( hDC, GetSysColor(COLOR_3DFACE));
161 SetBkColor( hDC, bk);
163 /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
164 * we better use 0x55aa bitmap brush to make scrollbar's background
165 * look different from the window background.
167 if (bk == GetSysColor(COLOR_WINDOW))
168 return SYSCOLOR_55AABrush;
170 UnrealizeObject( hb );
174 SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
176 if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
177 SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
179 SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
180 return GetSysColorBrush(COLOR_3DFACE);
182 return GetSysColorBrush(COLOR_WINDOW);
186 /***********************************************************************
189 * This method handles the default behavior for the WM_PRINT message.
191 static void DEFWND_Print( HWND hwnd, HDC hdc, ULONG uFlags)
196 if ( (uFlags & PRF_CHECKVISIBLE) &&
197 !IsWindowVisible(hwnd) )
201 * Unimplemented flags.
203 if ( (uFlags & PRF_CHILDREN) ||
204 (uFlags & PRF_OWNED) ||
205 (uFlags & PRF_NONCLIENT) )
207 WARN("WM_PRINT message with unsupported flags\n");
213 if ( uFlags & PRF_ERASEBKGND)
214 SendMessageW(hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0);
219 if ( uFlags & PRF_CLIENT)
220 SendMessageW(hwnd, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
225 * helpers for calling IMM32
227 * WM_IME_* messages are generated only by IMM32,
228 * so I assume imm32 is already LoadLibrary-ed.
230 static HWND DEFWND_ImmGetDefaultIMEWnd( HWND hwnd )
232 HINSTANCE hInstIMM = GetModuleHandleW( imm32W );
233 HWND (WINAPI *pFunc)(HWND);
238 ERR( "cannot get IMM32 handle\n" );
242 pFunc = (void*)GetProcAddress(hInstIMM,"ImmGetDefaultIMEWnd");
244 hwndRet = (*pFunc)( hwnd );
249 static BOOL DEFWND_ImmIsUIMessageA( HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam )
251 HINSTANCE hInstIMM = GetModuleHandleW( imm32W );
252 BOOL (WINAPI *pFunc)(HWND,UINT,WPARAM,LPARAM);
257 ERR( "cannot get IMM32 handle\n" );
261 pFunc = (void*)GetProcAddress(hInstIMM,"ImmIsUIMessageA");
263 fRet = (*pFunc)( hwndIME, msg, wParam, lParam );
268 static BOOL DEFWND_ImmIsUIMessageW( HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam )
270 HINSTANCE hInstIMM = GetModuleHandleW( imm32W );
271 BOOL (WINAPI *pFunc)(HWND,UINT,WPARAM,LPARAM);
276 ERR( "cannot get IMM32 handle\n" );
280 pFunc = (void*)GetProcAddress(hInstIMM,"ImmIsUIMessageW");
282 fRet = (*pFunc)( hwndIME, msg, wParam, lParam );
289 /***********************************************************************
292 * Default window procedure for messages that are the same in Ansi and Unicode.
294 static LRESULT DEFWND_DefWinProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
299 return NC_HandleNCPaint( hwnd, (HRGN)wParam );
304 pt.x = (short)LOWORD(lParam);
305 pt.y = (short)HIWORD(lParam);
306 return NC_HandleNCHitTest( hwnd, pt );
310 return NC_HandleNCCalcSize( hwnd, (RECT *)lParam );
312 case WM_WINDOWPOSCHANGING:
313 return WINPOS_HandleWindowPosChanging( hwnd, (WINDOWPOS *)lParam );
315 case WM_WINDOWPOSCHANGED:
316 DEFWND_HandleWindowPosChanged( hwnd, (const WINDOWPOS *)lParam );
322 iF10Key = iMenuSysKey = 0;
325 case WM_NCLBUTTONDOWN:
326 return NC_HandleNCLButtonDown( hwnd, wParam, lParam );
328 case WM_LBUTTONDBLCLK:
329 case WM_NCLBUTTONDBLCLK:
330 return NC_HandleNCLButtonDblClk( hwnd, wParam, lParam );
332 case WM_NCRBUTTONDOWN:
333 /* in Windows, capture is taken when right-clicking on the caption bar */
334 if (wParam==HTCAPTION)
344 if (hwnd == GetCapture())
345 /* release capture if we took it on WM_NCRBUTTONDOWN */
348 pt.x = (short)LOWORD(lParam);
349 pt.y = (short)HIWORD(lParam);
350 ClientToScreen(hwnd, &pt);
351 SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM)hwnd, MAKELPARAM(pt.x, pt.y) );
357 * FIXME : we must NOT send WM_CONTEXTMENU on a WM_NCRBUTTONUP (checked
358 * in Windows), but what _should_ we do? According to MSDN :
359 * "If it is appropriate to do so, the system sends the WM_SYSCOMMAND
360 * message to the window". When is it appropriate?
365 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
366 SendMessageW( GetParent(hwnd), msg, wParam, lParam );
371 WND *wndPtr = WIN_GetPtr( hwnd );
372 HMENU hMenu = wndPtr->hSysMenu;
373 WIN_ReleasePtr( wndPtr );
374 if (!hMenu) return 0;
375 pt.x = (short)LOWORD(lParam);
376 pt.y = (short)HIWORD(lParam);
377 hitcode = NC_HandleNCHitTest(hwnd, pt);
379 /* Track system popup if click was in the caption area. */
380 if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
381 TrackPopupMenu(GetSystemMenu(hwnd, FALSE),
382 TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
383 pt.x, pt.y, 0, hwnd, NULL);
388 return NC_HandleNCActivate( hwnd, wParam );
392 WND *wndPtr = WIN_GetPtr( hwnd );
393 if (!wndPtr) return 0;
394 HeapFree( GetProcessHeap(), 0, wndPtr->text );
396 HeapFree( GetProcessHeap(), 0, wndPtr->pVScroll );
397 HeapFree( GetProcessHeap(), 0, wndPtr->pHScroll );
398 wndPtr->pVScroll = wndPtr->pHScroll = NULL;
399 WIN_ReleasePtr( wndPtr );
404 DEFWND_Print(hwnd, (HDC)wParam, lParam);
411 HDC hdc = BeginPaint( hwnd, &ps );
415 if (IsIconic(hwnd) && ((hIcon = (HICON)GetClassLongPtrW( hwnd, GCLP_HICON))) )
420 GetClientRect( hwnd, &rc );
421 x = (rc.right - rc.left - GetSystemMetrics(SM_CXICON))/2;
422 y = (rc.bottom - rc.top - GetSystemMetrics(SM_CYICON))/2;
423 TRACE("Painting class icon: vis rect=(%ld,%ld - %ld,%ld)\n",
424 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
425 DrawIcon( hdc, x, y, hIcon );
427 EndPaint( hwnd, &ps );
433 RedrawWindow ( hwnd, NULL, 0, RDW_ERASENOW | RDW_ERASE | RDW_ALLCHILDREN );
437 if (wParam) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
440 RedrawWindow( hwnd, NULL, 0, RDW_ALLCHILDREN | RDW_VALIDATE );
441 WIN_SetStyle( hwnd, 0, WS_VISIBLE );
446 DestroyWindow( hwnd );
449 case WM_MOUSEACTIVATE:
450 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
452 LONG ret = SendMessageW( GetParent(hwnd), WM_MOUSEACTIVATE, wParam, lParam );
456 /* Caption clicks are handled by NC_HandleNCLButtonDown() */
460 /* The default action in Windows is to set the keyboard focus to
461 * the window, if it's being activated and not minimized */
462 if (LOWORD(wParam) != WA_INACTIVE) {
463 if (!IsIconic(hwnd)) SetFocus(hwnd);
468 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
469 return SendMessageW( GetParent(hwnd), WM_MOUSEWHEEL, wParam, lParam );
473 case WM_ICONERASEBKGND:
476 HDC hdc = (HDC)wParam;
477 HBRUSH hbr = (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND );
480 if (GetClassLongW( hwnd, GCL_STYLE ) & CS_PARENTDC)
482 /* can't use GetClipBox with a parent DC or we fill the whole parent */
483 GetClientRect( hwnd, &rect );
484 DPtoLP( hdc, (LPPOINT)&rect, 2 );
486 else GetClipBox( hdc, &rect );
487 FillRect( hdc, &rect, hbr );
494 case WM_CTLCOLORMSGBOX:
495 case WM_CTLCOLOREDIT:
496 case WM_CTLCOLORLISTBOX:
499 case WM_CTLCOLORSTATIC:
500 case WM_CTLCOLORSCROLLBAR:
501 return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
504 return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
507 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
509 /* with the exception of the border around a resizable wnd,
510 * give the parent first chance to set the cursor */
511 if ((LOWORD(lParam) < HTSIZEFIRST) || (LOWORD(lParam) > HTSIZELAST))
513 if (SendMessageW(GetParent(hwnd), WM_SETCURSOR, wParam, lParam)) return TRUE;
516 NC_HandleSetCursor( hwnd, wParam, lParam );
520 return NC_HandleSysCommand( hwnd, wParam, lParam );
523 if(wParam == VK_F10) iF10Key = VK_F10;
527 if( HIWORD(lParam) & KEYDATA_ALT )
529 /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
530 if( wParam == VK_MENU && !iMenuSysKey )
537 if( wParam == VK_F4 ) /* try to close the window */
539 HWND top = GetAncestor( hwnd, GA_ROOT );
540 if (!(GetClassLongW( top, GCL_STYLE ) & CS_NOCLOSE))
541 PostMessageW( top, WM_SYSCOMMAND, SC_CLOSE, 0 );
544 else if( wParam == VK_F10 )
546 else if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
547 SendMessageW( hwnd, WM_SYSCOMMAND, SC_KEYMENU, ' ' );
552 /* Press and release F10 or ALT */
553 if (((wParam == VK_MENU) && iMenuSysKey) ||
554 ((wParam == VK_F10) && iF10Key))
555 SendMessageW( GetAncestor( hwnd, GA_ROOT ), WM_SYSCOMMAND, SC_KEYMENU, 0L );
556 iMenuSysKey = iF10Key = 0;
562 if (wParam == '\r' && IsIconic(hwnd))
564 PostMessageW( hwnd, WM_SYSCOMMAND, SC_RESTORE, 0L );
567 if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
569 if (wParam == '\t' || wParam == '\x1b') break;
570 if (wParam == ' ' && (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD))
571 SendMessageW( GetParent(hwnd), msg, wParam, lParam );
573 SendMessageW( hwnd, WM_SYSCOMMAND, SC_KEYMENU, wParam );
575 else /* check for Ctrl-Esc */
576 if (wParam != '\x1b') MessageBeep(0);
582 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
584 if (!lParam) return 0; /* sent from ShowWindow */
585 if ((style & WS_VISIBLE) && wParam) return 0;
586 if (!(style & WS_VISIBLE) && !wParam) return 0;
587 if (!GetWindow( hwnd, GW_OWNER )) return 0;
588 if (!(pWnd = WIN_GetPtr( hwnd ))) return 0;
589 if (pWnd == WND_OTHER_PROCESS) return 0;
592 if (!(pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP))
594 WIN_ReleasePtr( pWnd );
597 pWnd->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP;
599 else pWnd->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP;
600 WIN_ReleasePtr( pWnd );
601 ShowWindow( hwnd, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
607 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) EndMenu();
608 if (GetCapture() == hwnd) ReleaseCapture();
618 case WM_QUERYDROPOBJECT:
619 return (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES) != 0;
621 case WM_QUERYDRAGICON:
625 HICON hIcon = (HICON)GetClassLongPtrW( hwnd, GCLP_HICON );
626 HINSTANCE instance = (HINSTANCE)GetWindowLongPtrW( hwnd, GWLP_HINSTANCE );
627 if (hIcon) return (LRESULT)hIcon;
628 for(len=1; len<64; len++)
629 if((hIcon = LoadIconW(instance, MAKEINTRESOURCEW(len))))
630 return (LRESULT)hIcon;
631 return (LRESULT)LoadIconW(0, (LPWSTR)IDI_APPLICATION);
635 case WM_ISACTIVEICON:
637 WND *wndPtr = WIN_GetPtr( hwnd );
638 BOOL ret = (wndPtr->flags & WIN_NCACTIVATED) != 0;
639 WIN_ReleasePtr( wndPtr );
643 case WM_NOTIFYFORMAT:
644 if (IsWindowUnicode(hwnd)) return NFR_UNICODE;
645 else return NFR_ANSI;
648 case WM_QUERYENDSESSION:
654 WND *wndPtr = WIN_GetPtr( hwnd );
659 ret = wndPtr->hIconSmall;
660 wndPtr->hIconSmall = (HICON)lParam;
664 wndPtr->hIcon = (HICON)lParam;
670 WIN_ReleasePtr( wndPtr );
672 USER_Driver->pSetWindowIcon( hwnd, wParam, (HICON)lParam );
674 SetWindowPos(hwnd, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOSIZE |
675 SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER);
683 WND *wndPtr = WIN_GetPtr( hwnd );
688 ret = wndPtr->hIconSmall;
694 ret = wndPtr->hIconSmall;
695 if (!ret) ret = (HICON)GetClassLongPtrW( hwnd, GCLP_HICONSM );
696 /* FIXME: should have a default here if class icon is null */
702 WIN_ReleasePtr( wndPtr );
707 SendMessageW( GetParent(hwnd), msg, wParam, lParam );
716 /***********************************************************************
717 * DefWindowProcA (USER32.@)
719 * See DefWindowProcW.
721 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
726 if (!(full_handle = WIN_IsCurrentProcess( hwnd )))
728 if (!IsWindow( hwnd )) return 0;
729 ERR( "called for other process window %p\n", hwnd );
734 SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
740 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
741 /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
742 * may have child window IDs instead of window name */
743 if (HIWORD(cs->lpszName))
744 DEFWND_SetTextA( hwnd, cs->lpszName );
749 case WM_GETTEXTLENGTH:
751 WND *wndPtr = WIN_GetPtr( hwnd );
752 if (wndPtr && wndPtr->text)
753 result = WideCharToMultiByte( CP_ACP, 0, wndPtr->text, strlenW(wndPtr->text),
754 NULL, 0, NULL, NULL );
755 WIN_ReleasePtr( wndPtr );
762 LPSTR dest = (LPSTR)lParam;
763 WND *wndPtr = WIN_GetPtr( hwnd );
768 if (!WideCharToMultiByte( CP_ACP, 0, wndPtr->text, -1,
769 dest, wParam, NULL, NULL )) dest[wParam-1] = 0;
770 result = strlen( dest );
773 WIN_ReleasePtr( wndPtr );
778 DEFWND_SetTextA( hwnd, (LPCSTR)lParam );
779 if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
780 NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
781 result = 1; /* success. FIXME: check text length */
784 /* for far east users (IMM32) - <hidenori@a2.ctktv.ne.jp> */
787 CHAR chChar1 = (CHAR)( (wParam>>8) & 0xff );
788 CHAR chChar2 = (CHAR)( wParam & 0xff );
791 SendMessageA( hwnd, WM_CHAR, (WPARAM)chChar1, lParam );
792 SendMessageA( hwnd, WM_CHAR, (WPARAM)chChar2, lParam );
796 result = SendMessageA( hwnd, WM_KEYDOWN, wParam, lParam );
799 result = SendMessageA( hwnd, WM_KEYUP, wParam, lParam );
802 case WM_IME_STARTCOMPOSITION:
803 case WM_IME_COMPOSITION:
804 case WM_IME_ENDCOMPOSITION:
809 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
811 result = SendMessageA( hwndIME, msg, wParam, lParam );
814 case WM_IME_SETCONTEXT:
818 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
820 result = DEFWND_ImmIsUIMessageA( hwndIME, msg, wParam, lParam );
824 case WM_INPUTLANGCHANGEREQUEST:
825 /* notify about the switch only if it's really our current layout */
826 if ((HKL)lParam == GetKeyboardLayout(0))
827 result = SendMessageA( hwnd, WM_INPUTLANGCHANGE, wParam, lParam );
834 CHAR ch = LOWORD(wParam);
836 MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wch, 1);
837 wParam = MAKEWPARAM( wch, HIWORD(wParam) );
841 result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
845 SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
850 /***********************************************************************
851 * DefWindowProcW (USER32.@) Calls default window message handler
853 * Calls default window procedure for messages not processed
857 * Return value is dependent upon the message.
859 LRESULT WINAPI DefWindowProcW(
860 HWND hwnd, /* [in] window procedure receiving message */
861 UINT msg, /* [in] message identifier */
862 WPARAM wParam, /* [in] first message parameter */
863 LPARAM lParam ) /* [in] second message parameter */
868 if (!(full_handle = WIN_IsCurrentProcess( hwnd )))
870 if (!IsWindow( hwnd )) return 0;
871 ERR( "called for other process window %p\n", hwnd );
875 SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
881 CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
882 /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
883 * may have child window IDs instead of window name */
884 if (HIWORD(cs->lpszName))
885 DEFWND_SetTextW( hwnd, cs->lpszName );
890 case WM_GETTEXTLENGTH:
892 WND *wndPtr = WIN_GetPtr( hwnd );
893 if (wndPtr && wndPtr->text) result = (LRESULT)strlenW(wndPtr->text);
894 WIN_ReleasePtr( wndPtr );
901 LPWSTR dest = (LPWSTR)lParam;
902 WND *wndPtr = WIN_GetPtr( hwnd );
907 lstrcpynW( dest, wndPtr->text, wParam );
908 result = strlenW( dest );
911 WIN_ReleasePtr( wndPtr );
916 DEFWND_SetTextW( hwnd, (LPCWSTR)lParam );
917 if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
918 NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
919 result = 1; /* success. FIXME: check text length */
922 /* for far east users (IMM32) - <hidenori@a2.ctktv.ne.jp> */
924 SendMessageW( hwnd, WM_CHAR, wParam, lParam );
926 case WM_IME_SETCONTEXT:
930 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
932 result = DEFWND_ImmIsUIMessageW( hwndIME, msg, wParam, lParam );
936 case WM_IME_STARTCOMPOSITION:
937 case WM_IME_COMPOSITION:
938 case WM_IME_ENDCOMPOSITION:
943 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
945 result = SendMessageW( hwndIME, msg, wParam, lParam );
949 case WM_INPUTLANGCHANGEREQUEST:
950 /* notify about the switch only if it's really our current layout */
951 if ((HKL)lParam == GetKeyboardLayout(0))
952 result = SendMessageW( hwnd, WM_INPUTLANGCHANGE, wParam, lParam );
958 result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
961 SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );