2 * 16-bit messaging support
4 * Copyright 2001 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #include "wine/winuser16.h"
25 #include "user_private.h"
27 #include "wine/debug.h"
29 WINE_DEFAULT_DEBUG_CHANNEL(msg);
31 DWORD USER16_AlertableWait = 0;
33 static LRESULT cwp_hook_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
34 LRESULT *result, void *arg )
43 return HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp, FALSE );
46 static LRESULT send_message_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
47 LRESULT *result, void *arg )
49 *result = SendMessageA( hwnd, msg, wp, lp );
53 static LRESULT post_message_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
54 LRESULT *result, void *arg )
57 return PostMessageA( hwnd, msg, wp, lp );
60 static LRESULT post_thread_message_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
61 LRESULT *result, void *arg )
63 DWORD_PTR tid = (DWORD_PTR)arg;
65 return PostThreadMessageA( tid, msg, wp, lp );
68 static LRESULT get_message_callback( HWND16 hwnd, UINT16 msg, WPARAM16 wp, LPARAM lp,
69 LRESULT *result, void *arg )
82 /***********************************************************************
83 * SendMessage (USER.111)
85 LRESULT WINAPI SendMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
88 HWND hwnd = WIN_Handle32( hwnd16 );
90 if (hwnd != HWND_BROADCAST && WIN_IsCurrentThread(hwnd))
92 /* call 16-bit window proc directly */
95 /* first the WH_CALLWNDPROC hook */
96 if (HOOK_IsHooked( WH_CALLWNDPROC ))
97 WINPROC_CallProc16To32A( cwp_hook_callback, hwnd16, msg, wparam, lparam, &result, NULL );
99 if (!(winproc = (WNDPROC16)GetWindowLong16( hwnd16, GWLP_WNDPROC ))) return 0;
101 SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wparam, lparam );
102 result = CallWindowProc16( winproc, hwnd16, msg, wparam, lparam );
103 SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, result, wparam, lparam );
105 else /* map to 32-bit unicode for inter-thread/process message */
107 WINPROC_CallProc16To32A( send_message_callback, hwnd16, msg, wparam, lparam, &result, NULL );
113 /***********************************************************************
114 * PostMessage (USER.110)
116 BOOL16 WINAPI PostMessage16( HWND16 hwnd, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
119 return WINPROC_CallProc16To32A( post_message_callback, hwnd, msg, wparam, lparam, &unused, NULL );
123 /***********************************************************************
124 * PostAppMessage (USER.116)
126 BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
129 DWORD_PTR tid = HTASK_32( hTask );
131 if (!tid) return FALSE;
132 return WINPROC_CallProc16To32A( post_thread_message_callback, 0, msg, wparam, lparam,
133 &unused, (void *)tid );
137 /***********************************************************************
138 * InSendMessage (USER.192)
140 BOOL16 WINAPI InSendMessage16(void)
142 return InSendMessage();
146 /***********************************************************************
147 * ReplyMessage (USER.115)
149 void WINAPI ReplyMessage16( LRESULT result )
151 ReplyMessage( result );
155 /***********************************************************************
156 * PeekMessage32 (USER.819)
158 BOOL16 WINAPI PeekMessage32_16( MSG32_16 *msg16, HWND16 hwnd16,
159 UINT16 first, UINT16 last, UINT16 flags,
160 BOOL16 wHaveParamHigh )
164 HWND hwnd = WIN_Handle32( hwnd16 );
166 if(USER16_AlertableWait)
167 MsgWaitForMultipleObjectsEx( 0, NULL, 0, 0, MWMO_ALERTABLE );
168 if (!PeekMessageA( &msg, hwnd, first, last, flags )) return FALSE;
170 msg16->msg.time = msg.time;
171 msg16->msg.pt.x = (INT16)msg.pt.x;
172 msg16->msg.pt.y = (INT16)msg.pt.y;
173 if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
174 WINPROC_CallProc32ATo16( get_message_callback, msg.hwnd, msg.message, msg.wParam, msg.lParam,
175 &unused, &msg16->msg );
180 /***********************************************************************
181 * DefWindowProc (USER.107)
183 LRESULT WINAPI DefWindowProc16( HWND16 hwnd16, UINT16 msg, WPARAM16 wParam, LPARAM lParam )
186 HWND hwnd = WIN_Handle32( hwnd16 );
188 SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
194 CREATESTRUCT16 *cs16 = MapSL(lParam);
197 cs32.lpCreateParams = ULongToPtr(cs16->lpCreateParams);
198 cs32.hInstance = HINSTANCE_32(cs16->hInstance);
199 cs32.hMenu = HMENU_32(cs16->hMenu);
200 cs32.hwndParent = WIN_Handle32(cs16->hwndParent);
205 cs32.style = cs16->style;
206 cs32.dwExStyle = cs16->dwExStyle;
207 cs32.lpszName = MapSL(cs16->lpszName);
208 cs32.lpszClass = MapSL(cs16->lpszClass);
209 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&cs32 );
215 RECT16 *rect16 = MapSL(lParam);
218 rect32.left = rect16->left;
219 rect32.top = rect16->top;
220 rect32.right = rect16->right;
221 rect32.bottom = rect16->bottom;
223 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&rect32 );
225 rect16->left = rect32.left;
226 rect16->top = rect32.top;
227 rect16->right = rect32.right;
228 rect16->bottom = rect32.bottom;
232 case WM_WINDOWPOSCHANGING:
233 case WM_WINDOWPOSCHANGED:
235 WINDOWPOS16 *pos16 = MapSL(lParam);
238 pos32.hwnd = WIN_Handle32(pos16->hwnd);
239 pos32.hwndInsertAfter = WIN_Handle32(pos16->hwndInsertAfter);
242 pos32.cx = pos16->cx;
243 pos32.cy = pos16->cy;
244 pos32.flags = pos16->flags;
246 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&pos32 );
248 pos16->hwnd = HWND_16(pos32.hwnd);
249 pos16->hwndInsertAfter = HWND_16(pos32.hwndInsertAfter);
252 pos16->cx = pos32.cx;
253 pos16->cy = pos32.cy;
254 pos16->flags = pos32.flags;
260 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)MapSL(lParam) );
264 result = DefWindowProcA( hwnd, msg, wParam, lParam );
268 SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result, wParam, lParam );
273 /***********************************************************************
274 * PeekMessage (USER.109)
276 BOOL16 WINAPI PeekMessage16( MSG16 *msg, HWND16 hwnd,
277 UINT16 first, UINT16 last, UINT16 flags )
279 return PeekMessage32_16( (MSG32_16 *)msg, hwnd, first, last, flags, FALSE );
283 /***********************************************************************
284 * GetMessage32 (USER.820)
286 BOOL16 WINAPI GetMessage32_16( MSG32_16 *msg16, HWND16 hwnd16, UINT16 first,
287 UINT16 last, BOOL16 wHaveParamHigh )
291 HWND hwnd = WIN_Handle32( hwnd16 );
293 if(USER16_AlertableWait)
294 MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, 0, MWMO_ALERTABLE );
295 GetMessageA( &msg, hwnd, first, last );
296 msg16->msg.time = msg.time;
297 msg16->msg.pt.x = (INT16)msg.pt.x;
298 msg16->msg.pt.y = (INT16)msg.pt.y;
299 if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
300 WINPROC_CallProc32ATo16( get_message_callback, msg.hwnd, msg.message, msg.wParam, msg.lParam,
301 &unused, &msg16->msg );
303 TRACE( "message %04x, hwnd %p, filter(%04x - %04x)\n",
304 msg16->msg.message, hwnd, first, last );
306 return msg16->msg.message != WM_QUIT;
310 /***********************************************************************
311 * GetMessage (USER.108)
313 BOOL16 WINAPI GetMessage16( MSG16 *msg, HWND16 hwnd, UINT16 first, UINT16 last )
315 return GetMessage32_16( (MSG32_16 *)msg, hwnd, first, last, FALSE );
319 /***********************************************************************
320 * TranslateMessage32 (USER.821)
322 BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
326 msg32.hwnd = WIN_Handle32( msg->msg.hwnd );
327 msg32.message = msg->msg.message;
328 msg32.wParam = MAKEWPARAM( msg->msg.wParam, wHaveParamHigh ? msg->wParamHigh : 0 );
329 msg32.lParam = msg->msg.lParam;
330 return TranslateMessage( &msg32 );
334 /***********************************************************************
335 * TranslateMessage (USER.113)
337 BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
339 return TranslateMessage32_16( (const MSG32_16 *)msg, FALSE );
343 /***********************************************************************
344 * DispatchMessage (USER.114)
346 LONG WINAPI DispatchMessage16( const MSG16* msg )
351 HWND hwnd = WIN_Handle32( msg->hwnd );
353 /* Process timer messages */
354 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
357 return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
358 msg->message, msg->wParam, GetTickCount() );
361 if (!(wndPtr = WIN_GetPtr( hwnd )))
363 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
366 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
368 if (IsWindow( hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
369 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
372 winproc = WINPROC_GetProc16( wndPtr->winproc, wndPtr->flags & WIN_ISUNICODE );
373 WIN_ReleasePtr( wndPtr );
375 SPY_EnterMessage( SPY_DISPATCHMESSAGE16, hwnd, msg->message, msg->wParam, msg->lParam );
376 retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
377 SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg->message, retval, msg->wParam, msg->lParam );
383 /***********************************************************************
384 * DispatchMessage32 (USER.822)
386 LONG WINAPI DispatchMessage32_16( const MSG32_16 *msg16, BOOL16 wHaveParamHigh )
388 if (wHaveParamHigh == FALSE)
389 return DispatchMessage16( &msg16->msg );
394 msg.hwnd = WIN_Handle32( msg16->msg.hwnd );
395 msg.message = msg16->msg.message;
396 msg.wParam = MAKEWPARAM( msg16->msg.wParam, msg16->wParamHigh );
397 msg.lParam = msg16->msg.lParam;
398 msg.time = msg16->msg.time;
399 msg.pt.x = msg16->msg.pt.x;
400 msg.pt.y = msg16->msg.pt.y;
401 return DispatchMessageA( &msg );
406 /***********************************************************************
407 * IsDialogMessage (USER.90)
409 BOOL16 WINAPI IsDialogMessage16( HWND16 hwndDlg, MSG16 *msg16 )
414 msg.hwnd = WIN_Handle32(msg16->hwnd);
415 hwndDlg32 = WIN_Handle32(hwndDlg);
417 switch(msg16->message)
422 msg.message = msg16->message;
423 msg.wParam = msg16->wParam;
424 msg.lParam = msg16->lParam;
425 return IsDialogMessageA( hwndDlg32, &msg );
428 if ((hwndDlg32 != msg.hwnd) && !IsChild( hwndDlg32, msg.hwnd )) return FALSE;
429 TranslateMessage16( msg16 );
430 DispatchMessage16( msg16 );
435 /***********************************************************************
436 * MsgWaitForMultipleObjects (USER.640)
438 DWORD WINAPI MsgWaitForMultipleObjects16( DWORD count, CONST HANDLE *handles,
439 BOOL wait_all, DWORD timeout, DWORD mask )
441 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
442 wait_all ? MWMO_WAITALL : 0 );
446 /**********************************************************************
447 * SetDoubleClickTime (USER.20)
449 void WINAPI SetDoubleClickTime16( UINT16 interval )
451 SetDoubleClickTime( interval );
455 /**********************************************************************
456 * GetDoubleClickTime (USER.21)
458 UINT16 WINAPI GetDoubleClickTime16(void)
460 return GetDoubleClickTime();
464 /***********************************************************************
465 * PostQuitMessage (USER.6)
467 void WINAPI PostQuitMessage16( INT16 exitCode )
469 PostQuitMessage( exitCode );
473 /**********************************************************************
474 * GetKeyState (USER.106)
476 INT16 WINAPI GetKeyState16(INT16 vkey)
478 return GetKeyState(vkey);
482 /**********************************************************************
483 * GetKeyboardState (USER.222)
485 BOOL WINAPI GetKeyboardState16( LPBYTE state )
487 return GetKeyboardState( state );
491 /**********************************************************************
492 * SetKeyboardState (USER.223)
494 BOOL WINAPI SetKeyboardState16( LPBYTE state )
496 return SetKeyboardState( state );
500 /***********************************************************************
501 * SetMessageQueue (USER.266)
503 BOOL16 WINAPI SetMessageQueue16( INT16 size )
505 return SetMessageQueue( size );
509 /***********************************************************************
510 * GetQueueStatus (USER.334)
512 DWORD WINAPI GetQueueStatus16( UINT16 flags )
514 return GetQueueStatus( flags );
518 /***********************************************************************
519 * GetInputState (USER.335)
521 BOOL16 WINAPI GetInputState16(void)
523 return GetInputState();
527 /**********************************************************************
528 * TranslateAccelerator (USER.178)
530 INT16 WINAPI TranslateAccelerator16( HWND16 hwnd, HACCEL16 hAccel, LPMSG16 msg )
535 msg32.message = msg->message;
536 /* msg32.hwnd not used */
537 msg32.wParam = msg->wParam;
538 msg32.lParam = msg->lParam;
539 return TranslateAcceleratorW( WIN_Handle32(hwnd), HACCEL_32(hAccel), &msg32 );
543 /**********************************************************************
544 * TranslateMDISysAccel (USER.451)
546 BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
548 if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
551 msg32.hwnd = WIN_Handle32(msg->hwnd);
552 msg32.message = msg->message;
553 msg32.wParam = msg->wParam;
554 msg32.lParam = msg->lParam;
555 /* MDICLIENTINFO is still the same for win32 and win16 ... */
556 return TranslateMDISysAccel( WIN_Handle32(hwndClient), &msg32 );