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"
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, GWL_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 * PeekMessage (USER.109)
178 BOOL16 WINAPI PeekMessage16( MSG16 *msg, HWND16 hwnd,
179 UINT16 first, UINT16 last, UINT16 flags )
181 return PeekMessage32_16( (MSG32_16 *)msg, hwnd, first, last, flags, FALSE );
185 /***********************************************************************
186 * GetMessage32 (USER.820)
188 BOOL16 WINAPI GetMessage32_16( MSG32_16 *msg16, HWND16 hwnd16, UINT16 first,
189 UINT16 last, BOOL16 wHaveParamHigh )
192 HWND hwnd = WIN_Handle32( hwnd16 );
196 if(USER16_AlertableWait)
197 MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, 0, MWMO_ALERTABLE );
198 GetMessageW( &msg, hwnd, first, last );
199 msg16->msg.hwnd = HWND_16( msg.hwnd );
200 msg16->msg.lParam = msg.lParam;
201 msg16->msg.time = msg.time;
202 msg16->msg.pt.x = (INT16)msg.pt.x;
203 msg16->msg.pt.y = (INT16)msg.pt.y;
204 if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
206 while (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
207 &msg16->msg.message, &msg16->msg.wParam,
208 &msg16->msg.lParam ) == -1);
210 TRACE( "message %04x, hwnd %p, filter(%04x - %04x)\n",
211 msg16->msg.message, hwnd, first, last );
213 return msg16->msg.message != WM_QUIT;
217 /***********************************************************************
218 * GetMessage (USER.108)
220 BOOL16 WINAPI GetMessage16( MSG16 *msg, HWND16 hwnd, UINT16 first, UINT16 last )
222 return GetMessage32_16( (MSG32_16 *)msg, hwnd, first, last, FALSE );
226 /***********************************************************************
227 * TranslateMessage32 (USER.821)
229 BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
233 msg32.hwnd = WIN_Handle32( msg->msg.hwnd );
234 msg32.message = msg->msg.message;
235 msg32.wParam = MAKEWPARAM( msg->msg.wParam, wHaveParamHigh ? msg->wParamHigh : 0 );
236 msg32.lParam = msg->msg.lParam;
237 return TranslateMessage( &msg32 );
241 /***********************************************************************
242 * TranslateMessage (USER.113)
244 BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
246 return TranslateMessage32_16( (MSG32_16 *)msg, FALSE );
250 /***********************************************************************
251 * DispatchMessage (USER.114)
253 LONG WINAPI DispatchMessage16( const MSG16* msg )
259 HWND hwnd = WIN_Handle32( msg->hwnd );
261 /* Process timer messages */
262 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
266 /* before calling window proc, verify whether timer is still valid;
267 there's a slim chance that the application kills the timer
268 between GetMessage and DispatchMessage API calls */
269 if (!TIMER_IsTimerValid(hwnd, (UINT) msg->wParam, (WNDPROC)msg->lParam))
270 return 0; /* invalid winproc */
272 return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
273 msg->message, msg->wParam, GetTickCount() );
277 if (!(wndPtr = WIN_GetPtr( hwnd )))
279 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
282 if (wndPtr == WND_OTHER_PROCESS)
284 if (IsWindow( hwnd ))
285 ERR( "cannot dispatch msg to other process window %p\n", hwnd );
286 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
290 if (!(winproc = (WNDPROC16)wndPtr->winproc))
292 WIN_ReleasePtr( wndPtr );
295 painting = (msg->message == WM_PAINT);
296 if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
297 WIN_ReleasePtr( wndPtr );
299 SPY_EnterMessage( SPY_DISPATCHMESSAGE16, hwnd, msg->message, msg->wParam, msg->lParam );
300 retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
301 SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg->message, retval, msg->wParam, msg->lParam );
303 if (painting && (wndPtr = WIN_GetPtr( hwnd )) && (wndPtr != WND_OTHER_PROCESS))
305 BOOL validate = ((wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate);
306 wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
307 WIN_ReleasePtr( wndPtr );
310 ERR( "BeginPaint not called on WM_PAINT for hwnd %p!\n", hwnd );
311 /* Validate the update region to avoid infinite WM_PAINT loop */
312 RedrawWindow( hwnd, NULL, 0,
313 RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
320 /***********************************************************************
321 * DispatchMessage32 (USER.822)
323 LONG WINAPI DispatchMessage32_16( const MSG32_16 *msg16, BOOL16 wHaveParamHigh )
325 if (wHaveParamHigh == FALSE)
326 return DispatchMessage16( &msg16->msg );
331 msg.hwnd = WIN_Handle32( msg16->msg.hwnd );
332 msg.message = msg16->msg.message;
333 msg.wParam = MAKEWPARAM( msg16->msg.wParam, msg16->wParamHigh );
334 msg.lParam = msg16->msg.lParam;
335 msg.time = msg16->msg.time;
336 msg.pt.x = msg16->msg.pt.x;
337 msg.pt.y = msg16->msg.pt.y;
338 return DispatchMessageA( &msg );
343 /***********************************************************************
344 * IsDialogMessage (USER.90)
346 BOOL16 WINAPI IsDialogMessage16( HWND16 hwndDlg, MSG16 *msg16 )
350 switch(msg16->message)
355 msg.hwnd = WIN_Handle32(msg16->hwnd);
356 msg.lParam = msg16->lParam;
357 WINPROC_MapMsg16To32W( msg.hwnd, msg16->message, msg16->wParam,
358 &msg.message, &msg.wParam, &msg.lParam );
359 /* these messages don't need an unmap */
360 return IsDialogMessageW( WIN_Handle32(hwndDlg), &msg );
362 TranslateMessage16( msg16 );
363 DispatchMessage16( msg16 );
368 /***********************************************************************
369 * MsgWaitForMultipleObjects (USER.640)
371 DWORD WINAPI MsgWaitForMultipleObjects16( DWORD count, CONST HANDLE *handles,
372 BOOL wait_all, DWORD timeout, DWORD mask )
374 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
375 wait_all ? MWMO_WAITALL : 0 );
379 /**********************************************************************
380 * SetDoubleClickTime (USER.20)
382 void WINAPI SetDoubleClickTime16( UINT16 interval )
384 SetDoubleClickTime( interval );
388 /**********************************************************************
389 * GetDoubleClickTime (USER.21)
391 UINT16 WINAPI GetDoubleClickTime16(void)
393 return GetDoubleClickTime();
397 /***********************************************************************
398 * PostQuitMessage (USER.6)
400 void WINAPI PostQuitMessage16( INT16 exitCode )
402 PostQuitMessage( exitCode );
406 /**********************************************************************
407 * GetKeyState (USER.106)
409 INT16 WINAPI GetKeyState16(INT16 vkey)
411 return GetKeyState(vkey);
415 /**********************************************************************
416 * GetKeyboardState (USER.222)
418 BOOL WINAPI GetKeyboardState16( LPBYTE state )
420 return GetKeyboardState( state );
424 /**********************************************************************
425 * SetKeyboardState (USER.223)
427 BOOL WINAPI SetKeyboardState16( LPBYTE state )
429 return SetKeyboardState( state );
433 /***********************************************************************
434 * SetMessageQueue (USER.266)
436 BOOL16 WINAPI SetMessageQueue16( INT16 size )
438 return SetMessageQueue( size );
442 /***********************************************************************
443 * GetQueueStatus (USER.334)
445 DWORD WINAPI GetQueueStatus16( UINT16 flags )
447 return GetQueueStatus( flags );
451 /***********************************************************************
452 * GetInputState (USER.335)
454 BOOL16 WINAPI GetInputState16(void)
456 return GetInputState();
460 /**********************************************************************
461 * TranslateAccelerator (USER.178)
463 INT16 WINAPI TranslateAccelerator16( HWND16 hwnd, HACCEL16 hAccel, LPMSG16 msg )
468 msg32.message = msg->message;
469 /* msg32.hwnd not used */
470 msg32.wParam = msg->wParam;
471 msg32.lParam = msg->lParam;
472 return TranslateAccelerator( WIN_Handle32(hwnd), HACCEL_32(hAccel), &msg32 );
476 /**********************************************************************
477 * TranslateMDISysAccel (USER.451)
479 BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
481 if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
484 msg32.hwnd = WIN_Handle32(msg->hwnd);
485 msg32.message = msg->message;
486 msg32.wParam = msg->wParam;
487 msg32.lParam = msg->lParam;
488 /* MDICLIENTINFO is still the same for win32 and win16 ... */
489 return TranslateMDISysAccel( WIN_Handle32(hwndClient), &msg32 );