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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include "wine/winuser16.h"
26 #include "user_private.h"
28 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(msg);
32 DWORD USER16_AlertableWait = 0;
34 /***********************************************************************
35 * SendMessage (USER.111)
37 LRESULT WINAPI SendMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
42 HWND hwnd = WIN_Handle32( hwnd16 );
44 if (hwnd != HWND_BROADCAST && WIN_IsCurrentThread(hwnd))
46 /* call 16-bit window proc directly */
49 /* first the WH_CALLWNDPROC hook */
50 if (HOOK_IsHooked( WH_CALLWNDPROC ))
52 LPARAM lparam32 = lparam;
54 if (WINPROC_MapMsg16To32A( hwnd, msg, wparam, &msg32, &wparam32, &lparam32 ) != -1)
60 cwp.wParam = wparam32;
61 cwp.lParam = lparam32;
62 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp, FALSE );
63 WINPROC_UnmapMsg16To32A( hwnd, msg32, wparam32, lparam32, 0 );
64 /* FIXME: should reflect changes back into the message we send */
68 if (!(winproc = (WNDPROC16)GetWindowLong16( hwnd16, GWLP_WNDPROC ))) return 0;
70 SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wparam, lparam );
71 result = CallWindowProc16( (WNDPROC16)winproc, hwnd16, msg, wparam, lparam );
72 SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, result, wparam, lparam );
74 else /* map to 32-bit unicode for inter-thread/process message */
76 if (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ) == -1)
78 result = WINPROC_UnmapMsg16To32W( hwnd, msg32, wparam32, lparam,
79 SendMessageW( hwnd, msg32, wparam32, lparam ) );
85 /***********************************************************************
86 * PostMessage (USER.110)
88 BOOL16 WINAPI PostMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
92 HWND hwnd = WIN_Handle32( hwnd16 );
94 switch (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ))
97 return PostMessageW( hwnd, msg32, wparam32, lparam );
99 ERR( "16-bit message 0x%04x contains pointer, cannot post\n", msg );
107 /***********************************************************************
108 * PostAppMessage (USER.116)
110 BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
114 DWORD tid = HTASK_32( hTask );
115 if (!tid) return FALSE;
117 switch (WINPROC_MapMsg16To32W( 0, msg, wparam, &msg32, &wparam32, &lparam ))
120 return PostThreadMessageW( tid, msg32, wparam32, lparam );
122 ERR( "16-bit message %x contains pointer, cannot post\n", msg );
130 /***********************************************************************
131 * InSendMessage (USER.192)
133 BOOL16 WINAPI InSendMessage16(void)
135 return InSendMessage();
139 /***********************************************************************
140 * ReplyMessage (USER.115)
142 void WINAPI ReplyMessage16( LRESULT result )
144 ReplyMessage( result );
148 /***********************************************************************
149 * PeekMessage32 (USER.819)
151 BOOL16 WINAPI PeekMessage32_16( MSG32_16 *msg16, HWND16 hwnd16,
152 UINT16 first, UINT16 last, UINT16 flags,
153 BOOL16 wHaveParamHigh )
156 HWND hwnd = WIN_Handle32( hwnd16 );
158 if(USER16_AlertableWait)
159 MsgWaitForMultipleObjectsEx( 0, NULL, 1, 0, MWMO_ALERTABLE );
160 if (!PeekMessageW( &msg, hwnd, first, last, flags )) return FALSE;
162 msg16->msg.hwnd = HWND_16( msg.hwnd );
163 msg16->msg.lParam = msg.lParam;
164 msg16->msg.time = msg.time;
165 msg16->msg.pt.x = (INT16)msg.pt.x;
166 msg16->msg.pt.y = (INT16)msg.pt.y;
167 if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
169 return (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
170 &msg16->msg.message, &msg16->msg.wParam,
171 &msg16->msg.lParam ) != -1);
175 /***********************************************************************
176 * DefWindowProc (USER.107)
178 LRESULT WINAPI DefWindowProc16( HWND16 hwnd16, UINT16 msg, WPARAM16 wParam, LPARAM lParam )
181 HWND hwnd = WIN_Handle32( hwnd16 );
183 SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
189 CREATESTRUCT16 *cs16 = MapSL(lParam);
192 cs32.lpCreateParams = (LPVOID)cs16->lpCreateParams;
193 cs32.hInstance = HINSTANCE_32(cs16->hInstance);
194 cs32.hMenu = HMENU_32(cs16->hMenu);
195 cs32.hwndParent = WIN_Handle32(cs16->hwndParent);
200 cs32.style = cs16->style;
201 cs32.dwExStyle = cs16->dwExStyle;
202 cs32.lpszName = MapSL(cs16->lpszName);
203 cs32.lpszClass = MapSL(cs16->lpszClass);
204 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&cs32 );
210 RECT16 *rect16 = MapSL(lParam);
213 rect32.left = rect16->left;
214 rect32.top = rect16->top;
215 rect32.right = rect16->right;
216 rect32.bottom = rect16->bottom;
218 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&rect32 );
220 rect16->left = rect32.left;
221 rect16->top = rect32.top;
222 rect16->right = rect32.right;
223 rect16->bottom = rect32.bottom;
227 case WM_WINDOWPOSCHANGING:
228 case WM_WINDOWPOSCHANGED:
230 WINDOWPOS16 *pos16 = MapSL(lParam);
233 pos32.hwnd = WIN_Handle32(pos16->hwnd);
234 pos32.hwndInsertAfter = WIN_Handle32(pos16->hwndInsertAfter);
237 pos32.cx = pos16->cx;
238 pos32.cy = pos16->cy;
239 pos32.flags = pos16->flags;
241 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&pos32 );
243 pos16->hwnd = HWND_16(pos32.hwnd);
244 pos16->hwndInsertAfter = HWND_16(pos32.hwndInsertAfter);
247 pos16->cx = pos32.cx;
248 pos16->cy = pos32.cy;
249 pos16->flags = pos32.flags;
255 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)MapSL(lParam) );
259 result = DefWindowProcA( hwnd, msg, wParam, lParam );
263 SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result, wParam, lParam );
268 /***********************************************************************
269 * PeekMessage (USER.109)
271 BOOL16 WINAPI PeekMessage16( MSG16 *msg, HWND16 hwnd,
272 UINT16 first, UINT16 last, UINT16 flags )
274 return PeekMessage32_16( (MSG32_16 *)msg, hwnd, first, last, flags, FALSE );
278 /***********************************************************************
279 * GetMessage32 (USER.820)
281 BOOL16 WINAPI GetMessage32_16( MSG32_16 *msg16, HWND16 hwnd16, UINT16 first,
282 UINT16 last, BOOL16 wHaveParamHigh )
285 HWND hwnd = WIN_Handle32( hwnd16 );
289 if(USER16_AlertableWait)
290 MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, 0, MWMO_ALERTABLE );
291 GetMessageW( &msg, hwnd, first, last );
292 msg16->msg.hwnd = HWND_16( msg.hwnd );
293 msg16->msg.lParam = msg.lParam;
294 msg16->msg.time = msg.time;
295 msg16->msg.pt.x = (INT16)msg.pt.x;
296 msg16->msg.pt.y = (INT16)msg.pt.y;
297 if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
299 while (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
300 &msg16->msg.message, &msg16->msg.wParam,
301 &msg16->msg.lParam ) == -1);
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)
368 if (IsWindow( hwnd ))
369 ERR( "cannot dispatch msg to other process window %p\n", hwnd );
370 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
373 winproc = (WNDPROC16)wndPtr->winproc;
374 WIN_ReleasePtr( wndPtr );
376 SPY_EnterMessage( SPY_DISPATCHMESSAGE16, hwnd, msg->message, msg->wParam, msg->lParam );
377 retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
378 SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg->message, retval, msg->wParam, msg->lParam );
384 /***********************************************************************
385 * DispatchMessage32 (USER.822)
387 LONG WINAPI DispatchMessage32_16( const MSG32_16 *msg16, BOOL16 wHaveParamHigh )
389 if (wHaveParamHigh == FALSE)
390 return DispatchMessage16( &msg16->msg );
395 msg.hwnd = WIN_Handle32( msg16->msg.hwnd );
396 msg.message = msg16->msg.message;
397 msg.wParam = MAKEWPARAM( msg16->msg.wParam, msg16->wParamHigh );
398 msg.lParam = msg16->msg.lParam;
399 msg.time = msg16->msg.time;
400 msg.pt.x = msg16->msg.pt.x;
401 msg.pt.y = msg16->msg.pt.y;
402 return DispatchMessageA( &msg );
407 /***********************************************************************
408 * IsDialogMessage (USER.90)
410 BOOL16 WINAPI IsDialogMessage16( HWND16 hwndDlg, MSG16 *msg16 )
415 msg.hwnd = WIN_Handle32(msg16->hwnd);
416 hwndDlg32 = WIN_Handle32(hwndDlg);
418 switch(msg16->message)
423 msg.lParam = msg16->lParam;
424 WINPROC_MapMsg16To32W( msg.hwnd, msg16->message, msg16->wParam,
425 &msg.message, &msg.wParam, &msg.lParam );
426 /* these messages don't need an unmap */
427 return IsDialogMessageW( hwndDlg32, &msg );
430 if ((hwndDlg32 != msg.hwnd) && !IsChild( hwndDlg32, msg.hwnd )) return FALSE;
431 TranslateMessage16( msg16 );
432 DispatchMessage16( msg16 );
437 /***********************************************************************
438 * MsgWaitForMultipleObjects (USER.640)
440 DWORD WINAPI MsgWaitForMultipleObjects16( DWORD count, CONST HANDLE *handles,
441 BOOL wait_all, DWORD timeout, DWORD mask )
443 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
444 wait_all ? MWMO_WAITALL : 0 );
448 /**********************************************************************
449 * SetDoubleClickTime (USER.20)
451 void WINAPI SetDoubleClickTime16( UINT16 interval )
453 SetDoubleClickTime( interval );
457 /**********************************************************************
458 * GetDoubleClickTime (USER.21)
460 UINT16 WINAPI GetDoubleClickTime16(void)
462 return GetDoubleClickTime();
466 /***********************************************************************
467 * PostQuitMessage (USER.6)
469 void WINAPI PostQuitMessage16( INT16 exitCode )
471 PostQuitMessage( exitCode );
475 /**********************************************************************
476 * GetKeyState (USER.106)
478 INT16 WINAPI GetKeyState16(INT16 vkey)
480 return GetKeyState(vkey);
484 /**********************************************************************
485 * GetKeyboardState (USER.222)
487 BOOL WINAPI GetKeyboardState16( LPBYTE state )
489 return GetKeyboardState( state );
493 /**********************************************************************
494 * SetKeyboardState (USER.223)
496 BOOL WINAPI SetKeyboardState16( LPBYTE state )
498 return SetKeyboardState( state );
502 /***********************************************************************
503 * SetMessageQueue (USER.266)
505 BOOL16 WINAPI SetMessageQueue16( INT16 size )
507 return SetMessageQueue( size );
511 /***********************************************************************
512 * GetQueueStatus (USER.334)
514 DWORD WINAPI GetQueueStatus16( UINT16 flags )
516 return GetQueueStatus( flags );
520 /***********************************************************************
521 * GetInputState (USER.335)
523 BOOL16 WINAPI GetInputState16(void)
525 return GetInputState();
529 /**********************************************************************
530 * TranslateAccelerator (USER.178)
532 INT16 WINAPI TranslateAccelerator16( HWND16 hwnd, HACCEL16 hAccel, LPMSG16 msg )
537 msg32.message = msg->message;
538 /* msg32.hwnd not used */
539 msg32.wParam = msg->wParam;
540 msg32.lParam = msg->lParam;
541 return TranslateAcceleratorW( WIN_Handle32(hwnd), HACCEL_32(hAccel), &msg32 );
545 /**********************************************************************
546 * TranslateMDISysAccel (USER.451)
548 BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
550 if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
553 msg32.hwnd = WIN_Handle32(msg->hwnd);
554 msg32.message = msg->message;
555 msg32.wParam = msg->wParam;
556 msg32.lParam = msg->lParam;
557 /* MDICLIENTINFO is still the same for win32 and win16 ... */
558 return TranslateMDISysAccel( WIN_Handle32(hwndClient), &msg32 );