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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
34 #include "user_private.h"
36 #include "wine/unicode.h"
37 #include "wine/winuser16.h"
38 #include "wine/server.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(win);
43 /* bits in the dwKeyData */
44 #define KEYDATA_ALT 0x2000
45 #define KEYDATA_PREVSTATE 0x4000
47 static short iF10Key = 0;
48 static short iMenuSysKey = 0;
49 static const WCHAR imm32W[] = { 'i','m','m','3','2','\0' };
51 /***********************************************************************
52 * DEFWND_HandleWindowPosChanged
54 * Handle the WM_WINDOWPOSCHANGED message.
56 static void DEFWND_HandleWindowPosChanged( HWND hwnd, const WINDOWPOS *winpos )
59 WND *wndPtr = WIN_GetPtr( hwnd );
61 rect = wndPtr->rectClient;
62 WIN_ReleasePtr( wndPtr );
64 if (!(winpos->flags & SWP_NOCLIENTMOVE))
65 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG(rect.left, rect.top));
67 if (!(winpos->flags & SWP_NOCLIENTSIZE) || (winpos->flags & SWP_STATECHANGED))
69 WPARAM wp = SIZE_RESTORED;
70 if (IsZoomed(hwnd)) wp = SIZE_MAXIMIZED;
71 else if (IsIconic(hwnd)) wp = SIZE_MINIMIZED;
73 SendMessageW( hwnd, WM_SIZE, wp, MAKELONG(rect.right-rect.left, rect.bottom-rect.top) );
78 /***********************************************************************
81 * Set the window text.
83 static void DEFWND_SetTextA( HWND hwnd, LPCSTR text )
90 count = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 );
92 if (!(wndPtr = WIN_GetPtr( hwnd ))) return;
93 if ((textW = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
95 HeapFree(GetProcessHeap(), 0, wndPtr->text);
97 MultiByteToWideChar( CP_ACP, 0, text, -1, textW, count );
98 SERVER_START_REQ( set_window_text )
101 wine_server_add_data( req, textW, (count-1) * sizeof(WCHAR) );
102 wine_server_call( req );
107 ERR("Not enough memory for window text\n");
108 WIN_ReleasePtr( wndPtr );
110 USER_Driver->pSetWindowText( hwnd, textW );
113 /***********************************************************************
116 * Set the window text.
118 static void DEFWND_SetTextW( HWND hwnd, LPCWSTR text )
120 static const WCHAR empty_string[] = {0};
124 if (!text) text = empty_string;
125 count = strlenW(text) + 1;
127 if (!(wndPtr = WIN_GetPtr( hwnd ))) return;
128 HeapFree(GetProcessHeap(), 0, wndPtr->text);
129 if ((wndPtr->text = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
131 strcpyW( wndPtr->text, text );
132 SERVER_START_REQ( set_window_text )
135 wine_server_add_data( req, wndPtr->text, (count-1) * sizeof(WCHAR) );
136 wine_server_call( req );
141 ERR("Not enough memory for window text\n");
143 WIN_ReleasePtr( wndPtr );
145 USER_Driver->pSetWindowText( hwnd, text );
148 /***********************************************************************
149 * DEFWND_ControlColor
151 * Default colors for control painting.
153 HBRUSH DEFWND_ControlColor( HDC hDC, UINT ctlType )
155 if( ctlType == CTLCOLOR_SCROLLBAR)
157 HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
158 COLORREF bk = GetSysColor(COLOR_3DHILIGHT);
159 SetTextColor( hDC, GetSysColor(COLOR_3DFACE));
160 SetBkColor( hDC, bk);
162 /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
163 * we better use 0x55aa bitmap brush to make scrollbar's background
164 * look different from the window background.
166 if (bk == GetSysColor(COLOR_WINDOW))
167 return SYSCOLOR_55AABrush;
169 UnrealizeObject( hb );
173 SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
175 if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
176 SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
178 SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
179 return GetSysColorBrush(COLOR_3DFACE);
181 return GetSysColorBrush(COLOR_WINDOW);
185 /***********************************************************************
188 * This method handles the default behavior for the WM_PRINT message.
190 static void DEFWND_Print( HWND hwnd, HDC hdc, ULONG uFlags)
195 if ( (uFlags & PRF_CHECKVISIBLE) &&
196 !IsWindowVisible(hwnd) )
200 * Unimplemented flags.
202 if ( (uFlags & PRF_CHILDREN) ||
203 (uFlags & PRF_OWNED) ||
204 (uFlags & PRF_NONCLIENT) )
206 WARN("WM_PRINT message with unsupported flags\n");
212 if ( uFlags & PRF_ERASEBKGND)
213 SendMessageW(hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0);
218 if ( uFlags & PRF_CLIENT)
219 SendMessageW(hwnd, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
224 * helpers for calling IMM32
226 * WM_IME_* messages are generated only by IMM32,
227 * so I assume imm32 is already LoadLibrary-ed.
229 static HWND DEFWND_ImmGetDefaultIMEWnd( HWND hwnd )
231 HINSTANCE hInstIMM = GetModuleHandleW( imm32W );
232 HWND (WINAPI *pFunc)(HWND);
237 ERR( "cannot get IMM32 handle\n" );
241 pFunc = (void*)GetProcAddress(hInstIMM,"ImmGetDefaultIMEWnd");
243 hwndRet = (*pFunc)( hwnd );
248 static BOOL DEFWND_ImmIsUIMessageA( HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam )
250 HINSTANCE hInstIMM = GetModuleHandleW( imm32W );
251 BOOL (WINAPI *pFunc)(HWND,UINT,WPARAM,LPARAM);
256 ERR( "cannot get IMM32 handle\n" );
260 pFunc = (void*)GetProcAddress(hInstIMM,"ImmIsUIMessageA");
262 fRet = (*pFunc)( hwndIME, msg, wParam, lParam );
267 static BOOL DEFWND_ImmIsUIMessageW( HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam )
269 HINSTANCE hInstIMM = GetModuleHandleW( imm32W );
270 BOOL (WINAPI *pFunc)(HWND,UINT,WPARAM,LPARAM);
275 ERR( "cannot get IMM32 handle\n" );
279 pFunc = (void*)GetProcAddress(hInstIMM,"ImmIsUIMessageW");
281 fRet = (*pFunc)( hwndIME, msg, wParam, lParam );
288 /***********************************************************************
291 * Default window procedure for messages that are the same in Ansi and Unicode.
293 static LRESULT DEFWND_DefWinProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
298 return NC_HandleNCPaint( hwnd, (HRGN)wParam );
303 pt.x = (short)LOWORD(lParam);
304 pt.y = (short)HIWORD(lParam);
305 return NC_HandleNCHitTest( hwnd, pt );
309 return NC_HandleNCCalcSize( hwnd, (RECT *)lParam );
311 case WM_WINDOWPOSCHANGING:
312 return WINPOS_HandleWindowPosChanging( hwnd, (WINDOWPOS *)lParam );
314 case WM_WINDOWPOSCHANGED:
315 DEFWND_HandleWindowPosChanged( hwnd, (const WINDOWPOS *)lParam );
321 iF10Key = iMenuSysKey = 0;
324 case WM_NCLBUTTONDOWN:
325 return NC_HandleNCLButtonDown( hwnd, wParam, lParam );
327 case WM_LBUTTONDBLCLK:
328 case WM_NCLBUTTONDBLCLK:
329 return NC_HandleNCLButtonDblClk( hwnd, wParam, lParam );
331 case WM_NCRBUTTONDOWN:
332 /* in Windows, capture is taken when right-clicking on the caption bar */
333 if (wParam==HTCAPTION)
343 if (hwnd == GetCapture())
344 /* release capture if we took it on WM_NCRBUTTONDOWN */
347 pt.x = (short)LOWORD(lParam);
348 pt.y = (short)HIWORD(lParam);
349 ClientToScreen(hwnd, &pt);
350 SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM)hwnd, MAKELPARAM(pt.x, pt.y) );
356 * FIXME : we must NOT send WM_CONTEXTMENU on a WM_NCRBUTTONUP (checked
357 * in Windows), but what _should_ we do? According to MSDN :
358 * "If it is appropriate to do so, the system sends the WM_SYSCOMMAND
359 * message to the window". When is it appropriate?
364 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
365 SendMessageW( GetParent(hwnd), msg, wParam, lParam );
370 WND *wndPtr = WIN_GetPtr( hwnd );
371 HMENU hMenu = wndPtr->hSysMenu;
372 WIN_ReleasePtr( wndPtr );
373 if (!hMenu) return 0;
374 pt.x = (short)LOWORD(lParam);
375 pt.y = (short)HIWORD(lParam);
376 hitcode = NC_HandleNCHitTest(hwnd, pt);
378 /* Track system popup if click was in the caption area. */
379 if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
380 TrackPopupMenu(GetSystemMenu(hwnd, FALSE),
381 TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
382 pt.x, pt.y, 0, hwnd, NULL);
387 return NC_HandleNCActivate( hwnd, wParam );
391 WND *wndPtr = WIN_GetPtr( hwnd );
392 if (!wndPtr) return 0;
393 HeapFree( GetProcessHeap(), 0, wndPtr->text );
395 HeapFree( GetProcessHeap(), 0, wndPtr->pVScroll );
396 HeapFree( GetProcessHeap(), 0, wndPtr->pHScroll );
397 wndPtr->pVScroll = wndPtr->pHScroll = NULL;
398 WIN_ReleasePtr( wndPtr );
403 DEFWND_Print(hwnd, (HDC)wParam, lParam);
410 HDC hdc = BeginPaint( hwnd, &ps );
414 if (IsIconic(hwnd) && ((hIcon = (HICON)GetClassLongPtrW( hwnd, GCLP_HICON))) )
419 GetClientRect( hwnd, &rc );
420 x = (rc.right - rc.left - GetSystemMetrics(SM_CXICON))/2;
421 y = (rc.bottom - rc.top - GetSystemMetrics(SM_CYICON))/2;
422 TRACE("Painting class icon: vis rect=(%d,%d - %d,%d)\n",
423 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
424 DrawIcon( hdc, x, y, hIcon );
426 EndPaint( hwnd, &ps );
432 RedrawWindow ( hwnd, NULL, 0, RDW_ERASENOW | RDW_ERASE | RDW_ALLCHILDREN );
436 if (wParam) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
439 RedrawWindow( hwnd, NULL, 0, RDW_ALLCHILDREN | RDW_VALIDATE );
440 WIN_SetStyle( hwnd, 0, WS_VISIBLE );
445 DestroyWindow( hwnd );
448 case WM_MOUSEACTIVATE:
449 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
451 LONG ret = SendMessageW( GetParent(hwnd), WM_MOUSEACTIVATE, wParam, lParam );
455 /* Caption clicks are handled by NC_HandleNCLButtonDown() */
459 /* The default action in Windows is to set the keyboard focus to
460 * the window, if it's being activated and not minimized */
461 if (LOWORD(wParam) != WA_INACTIVE) {
462 if (!IsIconic(hwnd)) SetFocus(hwnd);
467 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
468 return SendMessageW( GetParent(hwnd), WM_MOUSEWHEEL, wParam, lParam );
472 case WM_ICONERASEBKGND:
475 HDC hdc = (HDC)wParam;
476 HBRUSH hbr = (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND );
479 if (GetClassLongW( hwnd, GCL_STYLE ) & CS_PARENTDC)
481 /* can't use GetClipBox with a parent DC or we fill the whole parent */
482 GetClientRect( hwnd, &rect );
483 DPtoLP( hdc, (LPPOINT)&rect, 2 );
485 else GetClipBox( hdc, &rect );
486 FillRect( hdc, &rect, hbr );
493 case WM_CTLCOLORMSGBOX:
494 case WM_CTLCOLOREDIT:
495 case WM_CTLCOLORLISTBOX:
498 case WM_CTLCOLORSTATIC:
499 case WM_CTLCOLORSCROLLBAR:
500 return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
503 return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
506 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
508 /* with the exception of the border around a resizable wnd,
509 * give the parent first chance to set the cursor */
510 if ((LOWORD(lParam) < HTSIZEFIRST) || (LOWORD(lParam) > HTSIZELAST))
512 if (SendMessageW(GetParent(hwnd), WM_SETCURSOR, wParam, lParam)) return TRUE;
515 NC_HandleSetCursor( hwnd, wParam, lParam );
519 return NC_HandleSysCommand( hwnd, wParam, lParam );
522 if(wParam == VK_F10) iF10Key = VK_F10;
526 if( HIWORD(lParam) & KEYDATA_ALT )
528 /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
529 if ( (wParam == VK_MENU || wParam == VK_LMENU
530 || wParam == VK_RMENU) && !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 || wParam == VK_LMENU || wParam == VK_RMENU)
554 && iMenuSysKey) || ((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:
659 WND *wndPtr = WIN_GetPtr( hwnd );
664 ret = wndPtr->hIconSmall;
665 wndPtr->hIconSmall = (HICON)lParam;
669 wndPtr->hIcon = (HICON)lParam;
675 WIN_ReleasePtr( wndPtr );
677 USER_Driver->pSetWindowIcon( hwnd, wParam, (HICON)lParam );
679 SetWindowPos(hwnd, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOSIZE |
680 SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER);
688 WND *wndPtr = WIN_GetPtr( hwnd );
693 ret = wndPtr->hIconSmall;
699 ret = wndPtr->hIconSmall;
700 if (!ret) ret = (HICON)GetClassLongPtrW( hwnd, GCLP_HICONSM );
701 /* FIXME: should have a default here if class icon is null */
707 WIN_ReleasePtr( wndPtr );
712 SendMessageW( GetParent(hwnd), msg, wParam, lParam );
717 HWND parent = GetParent(hwnd);
719 HOOK_CallHooks(WH_SHELL, HSHELL_APPCOMMAND, wParam, lParam, TRUE);
721 SendMessageW( parent, msg, wParam, lParam );
731 /***********************************************************************
732 * DefWindowProcA (USER32.@)
734 * See DefWindowProcW.
736 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
741 if (!(full_handle = WIN_IsCurrentProcess( hwnd )))
743 if (!IsWindow( hwnd )) return 0;
744 ERR( "called for other process window %p\n", hwnd );
749 SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
755 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
756 /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
757 * may have child window IDs instead of window name */
758 if (HIWORD(cs->lpszName))
759 DEFWND_SetTextA( hwnd, cs->lpszName );
764 case WM_GETTEXTLENGTH:
766 WND *wndPtr = WIN_GetPtr( hwnd );
767 if (wndPtr && wndPtr->text)
768 result = WideCharToMultiByte( CP_ACP, 0, wndPtr->text, strlenW(wndPtr->text),
769 NULL, 0, NULL, NULL );
770 WIN_ReleasePtr( wndPtr );
777 LPSTR dest = (LPSTR)lParam;
778 WND *wndPtr = WIN_GetPtr( hwnd );
783 if (!WideCharToMultiByte( CP_ACP, 0, wndPtr->text, -1,
784 dest, wParam, NULL, NULL )) dest[wParam-1] = 0;
785 result = strlen( dest );
788 WIN_ReleasePtr( wndPtr );
793 DEFWND_SetTextA( hwnd, (LPCSTR)lParam );
794 if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
795 NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
796 result = 1; /* success. FIXME: check text length */
799 /* for far east users (IMM32) - <hidenori@a2.ctktv.ne.jp> */
802 CHAR chChar1 = (CHAR)( (wParam>>8) & 0xff );
803 CHAR chChar2 = (CHAR)( wParam & 0xff );
806 SendMessageA( hwnd, WM_CHAR, (WPARAM)chChar1, lParam );
807 SendMessageA( hwnd, WM_CHAR, (WPARAM)chChar2, lParam );
811 result = SendMessageA( hwnd, WM_KEYDOWN, wParam, lParam );
814 result = SendMessageA( hwnd, WM_KEYUP, wParam, lParam );
817 case WM_IME_STARTCOMPOSITION:
818 case WM_IME_COMPOSITION:
819 case WM_IME_ENDCOMPOSITION:
824 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
826 result = SendMessageA( hwndIME, msg, wParam, lParam );
829 case WM_IME_SETCONTEXT:
833 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
835 result = DEFWND_ImmIsUIMessageA( hwndIME, msg, wParam, lParam );
839 case WM_INPUTLANGCHANGEREQUEST:
840 /* notify about the switch only if it's really our current layout */
841 if ((HKL)lParam == GetKeyboardLayout(0))
842 result = SendMessageA( hwnd, WM_INPUTLANGCHANGE, wParam, lParam );
849 CHAR ch = LOWORD(wParam);
851 MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wch, 1);
852 wParam = MAKEWPARAM( wch, HIWORD(wParam) );
856 result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
860 SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
865 /***********************************************************************
866 * DefWindowProcW (USER32.@) Calls default window message handler
868 * Calls default window procedure for messages not processed
872 * Return value is dependent upon the message.
874 LRESULT WINAPI DefWindowProcW(
875 HWND hwnd, /* [in] window procedure receiving message */
876 UINT msg, /* [in] message identifier */
877 WPARAM wParam, /* [in] first message parameter */
878 LPARAM lParam ) /* [in] second message parameter */
883 if (!(full_handle = WIN_IsCurrentProcess( hwnd )))
885 if (!IsWindow( hwnd )) return 0;
886 ERR( "called for other process window %p\n", hwnd );
890 SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
896 CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
897 /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
898 * may have child window IDs instead of window name */
899 if (HIWORD(cs->lpszName))
900 DEFWND_SetTextW( hwnd, cs->lpszName );
905 case WM_GETTEXTLENGTH:
907 WND *wndPtr = WIN_GetPtr( hwnd );
908 if (wndPtr && wndPtr->text) result = (LRESULT)strlenW(wndPtr->text);
909 WIN_ReleasePtr( wndPtr );
916 LPWSTR dest = (LPWSTR)lParam;
917 WND *wndPtr = WIN_GetPtr( hwnd );
922 lstrcpynW( dest, wndPtr->text, wParam );
923 result = strlenW( dest );
926 WIN_ReleasePtr( wndPtr );
931 DEFWND_SetTextW( hwnd, (LPCWSTR)lParam );
932 if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
933 NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
934 result = 1; /* success. FIXME: check text length */
937 /* for far east users (IMM32) - <hidenori@a2.ctktv.ne.jp> */
939 SendMessageW( hwnd, WM_CHAR, wParam, lParam );
941 case WM_IME_SETCONTEXT:
945 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
947 result = DEFWND_ImmIsUIMessageW( hwndIME, msg, wParam, lParam );
951 case WM_IME_STARTCOMPOSITION:
952 case WM_IME_COMPOSITION:
953 case WM_IME_ENDCOMPOSITION:
958 hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
960 result = SendMessageW( hwndIME, msg, wParam, lParam );
964 case WM_INPUTLANGCHANGEREQUEST:
965 /* notify about the switch only if it's really our current layout */
966 if ((HKL)lParam == GetKeyboardLayout(0))
967 result = SendMessageW( hwnd, WM_INPUTLANGCHANGE, wParam, lParam );
973 result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
976 SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );