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"
26 #include "wine/debug.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(msg);
30 DWORD USER16_AlertableWait = 0;
32 static LRESULT cwp_hook_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
33 LRESULT *result, void *arg )
42 return HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp, FALSE );
45 static LRESULT send_message_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
46 LRESULT *result, void *arg )
48 *result = SendMessageA( hwnd, msg, wp, lp );
52 static LRESULT post_message_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
53 LRESULT *result, void *arg )
56 return PostMessageA( hwnd, msg, wp, lp );
59 static LRESULT post_thread_message_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
60 LRESULT *result, void *arg )
62 DWORD_PTR tid = (DWORD_PTR)arg;
64 return PostThreadMessageA( tid, msg, wp, lp );
67 static LRESULT get_message_callback( HWND16 hwnd, UINT16 msg, WPARAM16 wp, LPARAM lp,
68 LRESULT *result, void *arg )
81 /***********************************************************************
82 * SendMessage (USER.111)
84 LRESULT WINAPI SendMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
87 HWND hwnd = WIN_Handle32( hwnd16 );
89 if (hwnd != HWND_BROADCAST && WIN_IsCurrentThread(hwnd))
91 /* call 16-bit window proc directly */
94 /* first the WH_CALLWNDPROC hook */
95 if (HOOK_IsHooked( WH_CALLWNDPROC ))
96 WINPROC_CallProc16To32A( cwp_hook_callback, hwnd16, msg, wparam, lparam, &result, NULL );
98 if (!(winproc = (WNDPROC16)GetWindowLong16( hwnd16, GWLP_WNDPROC ))) return 0;
100 SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wparam, lparam );
101 result = CallWindowProc16( winproc, hwnd16, msg, wparam, lparam );
102 SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, result, wparam, lparam );
104 else /* map to 32-bit unicode for inter-thread/process message */
106 WINPROC_CallProc16To32A( send_message_callback, hwnd16, msg, wparam, lparam, &result, NULL );
112 /***********************************************************************
113 * PostMessage (USER.110)
115 BOOL16 WINAPI PostMessage16( HWND16 hwnd, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
118 return WINPROC_CallProc16To32A( post_message_callback, hwnd, msg, wparam, lparam, &unused, NULL );
122 /***********************************************************************
123 * PostAppMessage (USER.116)
125 BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
128 DWORD_PTR tid = HTASK_32( hTask );
130 if (!tid) return FALSE;
131 return WINPROC_CallProc16To32A( post_thread_message_callback, 0, msg, wparam, lparam,
132 &unused, (void *)tid );
136 /***********************************************************************
137 * InSendMessage (USER.192)
139 BOOL16 WINAPI InSendMessage16(void)
141 return InSendMessage();
145 /***********************************************************************
146 * ReplyMessage (USER.115)
148 void WINAPI ReplyMessage16( LRESULT result )
150 ReplyMessage( result );
154 /***********************************************************************
155 * PeekMessage32 (USER.819)
157 BOOL16 WINAPI PeekMessage32_16( MSG32_16 *msg16, HWND16 hwnd16,
158 UINT16 first, UINT16 last, UINT16 flags,
159 BOOL16 wHaveParamHigh )
163 HWND hwnd = WIN_Handle32( hwnd16 );
165 if(USER16_AlertableWait)
166 MsgWaitForMultipleObjectsEx( 0, NULL, 0, 0, MWMO_ALERTABLE );
167 if (!PeekMessageA( &msg, hwnd, first, last, flags )) return FALSE;
169 msg16->msg.time = msg.time;
170 msg16->msg.pt.x = (INT16)msg.pt.x;
171 msg16->msg.pt.y = (INT16)msg.pt.y;
172 if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
173 WINPROC_CallProc32ATo16( get_message_callback, msg.hwnd, msg.message, msg.wParam, msg.lParam,
174 &unused, &msg16->msg );
179 /***********************************************************************
180 * DefWindowProc (USER.107)
182 LRESULT WINAPI DefWindowProc16( HWND16 hwnd16, UINT16 msg, WPARAM16 wParam, LPARAM lParam )
185 HWND hwnd = WIN_Handle32( hwnd16 );
187 SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
193 CREATESTRUCT16 *cs16 = MapSL(lParam);
196 cs32.lpCreateParams = ULongToPtr(cs16->lpCreateParams);
197 cs32.hInstance = HINSTANCE_32(cs16->hInstance);
198 cs32.hMenu = HMENU_32(cs16->hMenu);
199 cs32.hwndParent = WIN_Handle32(cs16->hwndParent);
204 cs32.style = cs16->style;
205 cs32.dwExStyle = cs16->dwExStyle;
206 cs32.lpszName = MapSL(cs16->lpszName);
207 cs32.lpszClass = MapSL(cs16->lpszClass);
208 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&cs32 );
214 RECT16 *rect16 = MapSL(lParam);
217 rect32.left = rect16->left;
218 rect32.top = rect16->top;
219 rect32.right = rect16->right;
220 rect32.bottom = rect16->bottom;
222 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&rect32 );
224 rect16->left = rect32.left;
225 rect16->top = rect32.top;
226 rect16->right = rect32.right;
227 rect16->bottom = rect32.bottom;
231 case WM_WINDOWPOSCHANGING:
232 case WM_WINDOWPOSCHANGED:
234 WINDOWPOS16 *pos16 = MapSL(lParam);
237 pos32.hwnd = WIN_Handle32(pos16->hwnd);
238 pos32.hwndInsertAfter = WIN_Handle32(pos16->hwndInsertAfter);
241 pos32.cx = pos16->cx;
242 pos32.cy = pos16->cy;
243 pos32.flags = pos16->flags;
245 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&pos32 );
247 pos16->hwnd = HWND_16(pos32.hwnd);
248 pos16->hwndInsertAfter = HWND_16(pos32.hwndInsertAfter);
251 pos16->cx = pos32.cx;
252 pos16->cy = pos32.cy;
253 pos16->flags = pos32.flags;
259 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)MapSL(lParam) );
263 result = DefWindowProcA( hwnd, msg, wParam, lParam );
267 SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result, wParam, lParam );
272 /***********************************************************************
273 * PeekMessage (USER.109)
275 BOOL16 WINAPI PeekMessage16( MSG16 *msg, HWND16 hwnd,
276 UINT16 first, UINT16 last, UINT16 flags )
278 return PeekMessage32_16( (MSG32_16 *)msg, hwnd, first, last, flags, FALSE );
282 /***********************************************************************
283 * GetMessage32 (USER.820)
285 BOOL16 WINAPI GetMessage32_16( MSG32_16 *msg16, HWND16 hwnd16, UINT16 first,
286 UINT16 last, BOOL16 wHaveParamHigh )
290 HWND hwnd = WIN_Handle32( hwnd16 );
292 if(USER16_AlertableWait)
293 MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, 0, MWMO_ALERTABLE );
294 GetMessageA( &msg, hwnd, first, last );
295 msg16->msg.time = msg.time;
296 msg16->msg.pt.x = (INT16)msg.pt.x;
297 msg16->msg.pt.y = (INT16)msg.pt.y;
298 if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
299 WINPROC_CallProc32ATo16( get_message_callback, msg.hwnd, msg.message, msg.wParam, msg.lParam,
300 &unused, &msg16->msg );
302 TRACE( "message %04x, hwnd %p, filter(%04x - %04x)\n",
303 msg16->msg.message, hwnd, first, last );
305 return msg16->msg.message != WM_QUIT;
309 /***********************************************************************
310 * GetMessage (USER.108)
312 BOOL16 WINAPI GetMessage16( MSG16 *msg, HWND16 hwnd, UINT16 first, UINT16 last )
314 return GetMessage32_16( (MSG32_16 *)msg, hwnd, first, last, FALSE );
318 /***********************************************************************
319 * TranslateMessage32 (USER.821)
321 BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
325 msg32.hwnd = WIN_Handle32( msg->msg.hwnd );
326 msg32.message = msg->msg.message;
327 msg32.wParam = MAKEWPARAM( msg->msg.wParam, wHaveParamHigh ? msg->wParamHigh : 0 );
328 msg32.lParam = msg->msg.lParam;
329 return TranslateMessage( &msg32 );
333 /***********************************************************************
334 * TranslateMessage (USER.113)
336 BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
338 return TranslateMessage32_16( (const MSG32_16 *)msg, FALSE );
342 /***********************************************************************
343 * DispatchMessage (USER.114)
345 LONG WINAPI DispatchMessage16( const MSG16* msg )
350 HWND hwnd = WIN_Handle32( msg->hwnd );
352 /* Process timer messages */
353 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
356 return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
357 msg->message, msg->wParam, GetTickCount() );
360 if (!(wndPtr = WIN_GetPtr( hwnd )))
362 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
365 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
367 if (IsWindow( hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
368 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
371 winproc = WINPROC_GetProc16( wndPtr->winproc, wndPtr->flags & WIN_ISUNICODE );
372 WIN_ReleasePtr( wndPtr );
374 SPY_EnterMessage( SPY_DISPATCHMESSAGE16, hwnd, msg->message, msg->wParam, msg->lParam );
375 retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
376 SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg->message, retval, msg->wParam, msg->lParam );
382 /***********************************************************************
383 * DispatchMessage32 (USER.822)
385 LONG WINAPI DispatchMessage32_16( const MSG32_16 *msg16, BOOL16 wHaveParamHigh )
387 if (wHaveParamHigh == FALSE)
388 return DispatchMessage16( &msg16->msg );
393 msg.hwnd = WIN_Handle32( msg16->msg.hwnd );
394 msg.message = msg16->msg.message;
395 msg.wParam = MAKEWPARAM( msg16->msg.wParam, msg16->wParamHigh );
396 msg.lParam = msg16->msg.lParam;
397 msg.time = msg16->msg.time;
398 msg.pt.x = msg16->msg.pt.x;
399 msg.pt.y = msg16->msg.pt.y;
400 return DispatchMessageA( &msg );
405 /***********************************************************************
406 * IsDialogMessage (USER.90)
408 BOOL16 WINAPI IsDialogMessage16( HWND16 hwndDlg, MSG16 *msg16 )
413 msg.hwnd = WIN_Handle32(msg16->hwnd);
414 hwndDlg32 = WIN_Handle32(hwndDlg);
416 switch(msg16->message)
421 msg.message = msg16->message;
422 msg.wParam = msg16->wParam;
423 msg.lParam = msg16->lParam;
424 return IsDialogMessageA( hwndDlg32, &msg );
427 if ((hwndDlg32 != msg.hwnd) && !IsChild( hwndDlg32, msg.hwnd )) return FALSE;
428 TranslateMessage16( msg16 );
429 DispatchMessage16( msg16 );
434 /***********************************************************************
435 * MsgWaitForMultipleObjects (USER.640)
437 DWORD WINAPI MsgWaitForMultipleObjects16( DWORD count, CONST HANDLE *handles,
438 BOOL wait_all, DWORD timeout, DWORD mask )
440 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
441 wait_all ? MWMO_WAITALL : 0 );
445 /**********************************************************************
446 * SetDoubleClickTime (USER.20)
448 void WINAPI SetDoubleClickTime16( UINT16 interval )
450 SetDoubleClickTime( interval );
454 /**********************************************************************
455 * GetDoubleClickTime (USER.21)
457 UINT16 WINAPI GetDoubleClickTime16(void)
459 return GetDoubleClickTime();
463 /***********************************************************************
464 * PostQuitMessage (USER.6)
466 void WINAPI PostQuitMessage16( INT16 exitCode )
468 PostQuitMessage( exitCode );
472 /**********************************************************************
473 * GetKeyState (USER.106)
475 INT16 WINAPI GetKeyState16(INT16 vkey)
477 return GetKeyState(vkey);
481 /**********************************************************************
482 * GetKeyboardState (USER.222)
484 BOOL WINAPI GetKeyboardState16( LPBYTE state )
486 return GetKeyboardState( state );
490 /**********************************************************************
491 * SetKeyboardState (USER.223)
493 BOOL WINAPI SetKeyboardState16( LPBYTE state )
495 return SetKeyboardState( state );
499 /***********************************************************************
500 * SetMessageQueue (USER.266)
502 BOOL16 WINAPI SetMessageQueue16( INT16 size )
504 return SetMessageQueue( size );
508 /***********************************************************************
509 * GetQueueStatus (USER.334)
511 DWORD WINAPI GetQueueStatus16( UINT16 flags )
513 return GetQueueStatus( flags );
517 /***********************************************************************
518 * GetInputState (USER.335)
520 BOOL16 WINAPI GetInputState16(void)
522 return GetInputState();
526 /**********************************************************************
527 * TranslateAccelerator (USER.178)
529 INT16 WINAPI TranslateAccelerator16( HWND16 hwnd, HACCEL16 hAccel, LPMSG16 msg )
534 msg32.message = msg->message;
535 /* msg32.hwnd not used */
536 msg32.wParam = msg->wParam;
537 msg32.lParam = msg->lParam;
538 return TranslateAcceleratorW( WIN_Handle32(hwnd), HACCEL_32(hAccel), &msg32 );
542 /**********************************************************************
543 * TranslateMDISysAccel (USER.451)
545 BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
547 if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
550 msg32.hwnd = WIN_Handle32(msg->hwnd);
551 msg32.message = msg->message;
552 msg32.wParam = msg->wParam;
553 msg32.lParam = msg->lParam;
554 /* MDICLIENTINFO is still the same for win32 and win16 ... */
555 return TranslateMDISysAccel( WIN_Handle32(hwndClient), &msg32 );