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"
25 #include "user_private.h"
27 #include "wine/debug.h"
29 WINE_DEFAULT_DEBUG_CHANNEL(msg);
31 DWORD USER16_AlertableWait = 0;
33 /***********************************************************************
34 * SendMessage (USER.111)
36 LRESULT WINAPI SendMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
41 HWND hwnd = WIN_Handle32( hwnd16 );
43 if (hwnd != HWND_BROADCAST && WIN_IsCurrentThread(hwnd))
45 /* call 16-bit window proc directly */
48 /* first the WH_CALLWNDPROC hook */
49 if (HOOK_IsHooked( WH_CALLWNDPROC ))
51 LPARAM lparam32 = lparam;
53 if (WINPROC_MapMsg16To32A( hwnd, msg, wparam, &msg32, &wparam32, &lparam32 ) != -1)
59 cwp.wParam = wparam32;
60 cwp.lParam = lparam32;
61 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp, FALSE );
62 WINPROC_UnmapMsg16To32A( hwnd, msg32, wparam32, lparam32, 0 );
63 /* FIXME: should reflect changes back into the message we send */
67 if (!(winproc = (WNDPROC16)GetWindowLong16( hwnd16, GWLP_WNDPROC ))) return 0;
69 SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wparam, lparam );
70 result = CallWindowProc16( (WNDPROC16)winproc, hwnd16, msg, wparam, lparam );
71 SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, result, wparam, lparam );
73 else /* map to 32-bit unicode for inter-thread/process message */
75 if (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ) == -1)
77 result = WINPROC_UnmapMsg16To32W( hwnd, msg32, wparam32, lparam,
78 SendMessageW( hwnd, msg32, wparam32, lparam ) );
84 /***********************************************************************
85 * PostMessage (USER.110)
87 BOOL16 WINAPI PostMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
91 HWND hwnd = WIN_Handle32( hwnd16 );
93 switch (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ))
96 return PostMessageW( hwnd, msg32, wparam32, lparam );
98 ERR( "16-bit message 0x%04x contains pointer, cannot post\n", msg );
106 /***********************************************************************
107 * PostAppMessage (USER.116)
109 BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
113 DWORD tid = HTASK_32( hTask );
114 if (!tid) return FALSE;
116 switch (WINPROC_MapMsg16To32W( 0, msg, wparam, &msg32, &wparam32, &lparam ))
119 return PostThreadMessageW( tid, msg32, wparam32, lparam );
121 ERR( "16-bit message %x contains pointer, cannot post\n", msg );
129 /***********************************************************************
130 * InSendMessage (USER.192)
132 BOOL16 WINAPI InSendMessage16(void)
134 return InSendMessage();
138 /***********************************************************************
139 * ReplyMessage (USER.115)
141 void WINAPI ReplyMessage16( LRESULT result )
143 ReplyMessage( result );
147 /***********************************************************************
148 * PeekMessage32 (USER.819)
150 BOOL16 WINAPI PeekMessage32_16( MSG32_16 *msg16, HWND16 hwnd16,
151 UINT16 first, UINT16 last, UINT16 flags,
152 BOOL16 wHaveParamHigh )
155 HWND hwnd = WIN_Handle32( hwnd16 );
157 if(USER16_AlertableWait)
158 MsgWaitForMultipleObjectsEx( 0, NULL, 1, 0, MWMO_ALERTABLE );
159 if (!PeekMessageW( &msg, hwnd, first, last, flags )) return FALSE;
161 msg16->msg.hwnd = HWND_16( msg.hwnd );
162 msg16->msg.lParam = msg.lParam;
163 msg16->msg.time = msg.time;
164 msg16->msg.pt.x = (INT16)msg.pt.x;
165 msg16->msg.pt.y = (INT16)msg.pt.y;
166 if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
168 return (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
169 &msg16->msg.message, &msg16->msg.wParam,
170 &msg16->msg.lParam ) != -1);
174 /***********************************************************************
175 * DefWindowProc (USER.107)
177 LRESULT WINAPI DefWindowProc16( HWND16 hwnd16, UINT16 msg, WPARAM16 wParam, LPARAM lParam )
180 HWND hwnd = WIN_Handle32( hwnd16 );
182 SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
188 CREATESTRUCT16 *cs16 = MapSL(lParam);
191 cs32.lpCreateParams = (LPVOID)cs16->lpCreateParams;
192 cs32.hInstance = HINSTANCE_32(cs16->hInstance);
193 cs32.hMenu = HMENU_32(cs16->hMenu);
194 cs32.hwndParent = WIN_Handle32(cs16->hwndParent);
199 cs32.style = cs16->style;
200 cs32.dwExStyle = cs16->dwExStyle;
201 cs32.lpszName = MapSL(cs16->lpszName);
202 cs32.lpszClass = MapSL(cs16->lpszClass);
203 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&cs32 );
209 RECT16 *rect16 = MapSL(lParam);
212 rect32.left = rect16->left;
213 rect32.top = rect16->top;
214 rect32.right = rect16->right;
215 rect32.bottom = rect16->bottom;
217 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&rect32 );
219 rect16->left = rect32.left;
220 rect16->top = rect32.top;
221 rect16->right = rect32.right;
222 rect16->bottom = rect32.bottom;
226 case WM_WINDOWPOSCHANGING:
227 case WM_WINDOWPOSCHANGED:
229 WINDOWPOS16 *pos16 = MapSL(lParam);
232 pos32.hwnd = WIN_Handle32(pos16->hwnd);
233 pos32.hwndInsertAfter = WIN_Handle32(pos16->hwndInsertAfter);
236 pos32.cx = pos16->cx;
237 pos32.cy = pos16->cy;
238 pos32.flags = pos16->flags;
240 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&pos32 );
242 pos16->hwnd = HWND_16(pos32.hwnd);
243 pos16->hwndInsertAfter = HWND_16(pos32.hwndInsertAfter);
246 pos16->cx = pos32.cx;
247 pos16->cy = pos32.cy;
248 pos16->flags = pos32.flags;
254 result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)MapSL(lParam) );
258 result = DefWindowProcA( hwnd, msg, wParam, lParam );
262 SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result, wParam, lParam );
267 /***********************************************************************
268 * PeekMessage (USER.109)
270 BOOL16 WINAPI PeekMessage16( MSG16 *msg, HWND16 hwnd,
271 UINT16 first, UINT16 last, UINT16 flags )
273 return PeekMessage32_16( (MSG32_16 *)msg, hwnd, first, last, flags, FALSE );
277 /***********************************************************************
278 * GetMessage32 (USER.820)
280 BOOL16 WINAPI GetMessage32_16( MSG32_16 *msg16, HWND16 hwnd16, UINT16 first,
281 UINT16 last, BOOL16 wHaveParamHigh )
284 HWND hwnd = WIN_Handle32( hwnd16 );
288 if(USER16_AlertableWait)
289 MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, 0, MWMO_ALERTABLE );
290 GetMessageW( &msg, hwnd, first, last );
291 msg16->msg.hwnd = HWND_16( msg.hwnd );
292 msg16->msg.lParam = msg.lParam;
293 msg16->msg.time = msg.time;
294 msg16->msg.pt.x = (INT16)msg.pt.x;
295 msg16->msg.pt.y = (INT16)msg.pt.y;
296 if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
298 while (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
299 &msg16->msg.message, &msg16->msg.wParam,
300 &msg16->msg.lParam ) == -1);
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 = (WNDPROC16)wndPtr->winproc;
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.lParam = msg16->lParam;
422 WINPROC_MapMsg16To32W( msg.hwnd, msg16->message, msg16->wParam,
423 &msg.message, &msg.wParam, &msg.lParam );
424 /* these messages don't need an unmap */
425 return IsDialogMessageW( 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 );