windows/message.c

   1 /*
   2  * Message queues related functions
   3  *
   4  * Copyright 1993, 1994 Alexandre Julliard
   5  */
   6
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <ctype.h>
  10 #include <sys/time.h>
  11 #include <sys/types.h>
  12
  13 #include "wine/winbase16.h"
  14 #include "message.h"
  15 #include "winerror.h"
  16 #include "win.h"
  17 #include "sysmetrics.h"
  18 #include "heap.h"
  19 #include "hook.h"
  20 #include "input.h"
  21 #include "spy.h"
  22 #include "winpos.h"
  23 #include "dde.h"
  24 #include "queue.h"
  25 #include "winproc.h"
  26 #include "task.h"
  27 #include "process.h"
  28 #include "thread.h"
  29 #include "options.h"
  30 #include "struct32.h"
  31 #include "debug.h"
  32
  33 DECLARE_DEBUG_CHANNEL(key)
  34 DECLARE_DEBUG_CHANNEL(msg)
  35 DECLARE_DEBUG_CHANNEL(sendmsg)
  36
  37 #define WM_NCMOUSEFIRST         WM_NCMOUSEMOVE
  38 #define WM_NCMOUSELAST          WM_NCMBUTTONDBLCLK
  39
  40
  41 typedef enum { SYSQ_MSG_ABANDON, SYSQ_MSG_SKIP,
  42                SYSQ_MSG_ACCEPT, SYSQ_MSG_CONTINUE } SYSQ_STATUS;
  43
  44 extern HQUEUE16 hCursorQueue;                    /* queue.c */
  45
  46 DWORD MSG_WineStartTicks; /* Ticks at Wine startup */
  47
  48 static UINT doubleClickSpeed = 452;
  49
  50 /***********************************************************************
  51  *           MSG_CheckFilter
  52  */
  53 BOOL MSG_CheckFilter(DWORD uMsg, DWORD first, DWORD last)
  54 {
  55    if( first || last )
  56        return (uMsg >= first && uMsg <= last);
  57    return TRUE;
  58 }
  59
  60 /***********************************************************************
  61  *           MSG_SendParentNotify
  62  *
  63  * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
  64  * the window has the WS_EX_NOPARENTNOTIFY style.
  65  */
  66 static void MSG_SendParentNotify(WND* wndPtr, WORD event, WORD idChild, LPARAM lValue)
  67 {
  68 #define lppt ((LPPOINT16)&lValue)
  69
  70     /* pt has to be in the client coordinates of the parent window */
  71     WND *tmpWnd = WIN_LockWndPtr(wndPtr);
  72
  73     MapWindowPoints16( 0, tmpWnd->hwndSelf, lppt, 1 );
  74     while (tmpWnd)
  75     {
  76         if (!(tmpWnd->dwStyle & WS_CHILD) || (tmpWnd->dwExStyle & WS_EX_NOPARENTNOTIFY))
  77     {
  78             WIN_ReleaseWndPtr(tmpWnd);
  79             break;
  80         }
  81         lppt->x += tmpWnd->rectClient.left;
  82         lppt->y += tmpWnd->rectClient.top;
  83         WIN_UpdateWndPtr(&tmpWnd,tmpWnd->parent);
  84         SendMessageA( tmpWnd->hwndSelf, WM_PARENTNOTIFY,
  85                         MAKEWPARAM( event, idChild ), lValue );
  86     }
  87
  88 #undef lppt
  89 }
  90
  91
  92 /***********************************************************************
  93  *           MSG_TranslateMouseMsg
  94  *
  95  * Translate an mouse hardware event into a real mouse message.
  96  * Return value indicates whether the translated message must be passed
  97  * to the user, left in the queue, or skipped entirely (in this case
  98  * HIWORD contains hit test code).
  99  */
 100 static DWORD MSG_TranslateMouseMsg( HWND hTopWnd, DWORD first, DWORD last,
 101                                     MSG *msg, BOOL remove, WND* pWndScope )
 102 {
 103     static DWORD   dblclk_time_limit = 0;
 104     static UINT16     clk_message = 0;
 105     static HWND16     clk_hwnd = 0;
 106     static POINT16    clk_pos = { 0, 0 };
 107
 108     WND *pWnd;
 109     HWND hWnd;
 110     INT16 ht, hittest, sendSC = 0;
 111     UINT message = msg->message;
 112     POINT16 screen_pt, pt;
 113     HANDLE16 hQ = GetFastQueue16();
 114     MESSAGEQUEUE *queue = (MESSAGEQUEUE *)QUEUE_Lock(hQ);
 115     BOOL eatMsg = FALSE;
 116     BOOL mouseClick = ((message == WM_LBUTTONDOWN) ||
 117                          (message == WM_RBUTTONDOWN) ||
 118                          (message == WM_MBUTTONDOWN))?1:0;
 119     SYSQ_STATUS ret = 0;
 120     DWORD retvalue;
 121
 122       /* Find the window */
 123
 124     CONV_POINT32TO16( &msg->pt, &pt );
 125
 126     ht = hittest = HTCLIENT;
 127     hWnd = GetCapture();
 128     if( !hWnd )
 129     {
 130         ht = hittest = WINPOS_WindowFromPoint( pWndScope, pt, &pWnd );
 131         if( !pWnd ) pWnd = WIN_GetDesktop();
 132         else WIN_LockWndPtr(pWnd);
 133         hWnd = pWnd->hwndSelf;
 134         sendSC = 1;
 135     }
 136     else
 137     {
 138         pWnd = WIN_FindWndPtr(hWnd);
 139         if (queue)
 140             ht = PERQDATA_GetCaptureInfo( queue->pQData );
 141     }
 142
 143         /* stop if not the right queue */
 144
 145     if (pWnd->hmemTaskQ != hQ)
 146     {
 147         /* Not for the current task */
 148         if (queue) QUEUE_ClearWakeBit( queue, QS_MOUSE );
 149         /* Wake up the other task */
 150         QUEUE_Unlock( queue );
 151         queue = (MESSAGEQUEUE *)QUEUE_Lock( pWnd->hmemTaskQ );
 152         if (queue) QUEUE_SetWakeBit( queue, QS_MOUSE );
 153
 154         QUEUE_Unlock( queue );
 155         retvalue = SYSQ_MSG_ABANDON;
 156         goto END;
 157     }
 158
 159         /* check if hWnd is within hWndScope */
 160
 161     if( hTopWnd && hWnd != hTopWnd )
 162         if( !IsChild(hTopWnd, hWnd) )
 163         {
 164             QUEUE_Unlock( queue );
 165             retvalue = SYSQ_MSG_CONTINUE;
 166             goto END;
 167         }
 168
 169     if( mouseClick )
 170     {
 171         /* translate double clicks -
 172          * note that ...MOUSEMOVEs can slip in between
 173          * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
 174
 175         if( pWnd->class->style & CS_DBLCLKS || ht != HTCLIENT )
 176         {
 177            if ((message == clk_message) && (hWnd == clk_hwnd) &&
 178                (msg->time - dblclk_time_limit < doubleClickSpeed) &&
 179                (abs(msg->pt.x - clk_pos.x) < SYSMETRICS_CXDOUBLECLK/2) &&
 180                (abs(msg->pt.y - clk_pos.y) < SYSMETRICS_CYDOUBLECLK/2))
 181            {
 182               message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
 183               mouseClick++;   /* == 2 */
 184            }
 185         }
 186     }
 187     screen_pt = pt;
 188
 189     if (hittest != HTCLIENT)
 190     {
 191         message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
 192         msg->wParam = hittest;
 193     }
 194     else ScreenToClient16( hWnd, &pt );
 195
 196         /* check message filter */
 197
 198     if (!MSG_CheckFilter(message, first, last))
 199     {
 200         QUEUE_Unlock(queue);
 201         retvalue = SYSQ_MSG_CONTINUE;
 202         goto END;
 203     }
 204
 205     hCursorQueue = queue->self;
 206     QUEUE_Unlock(queue);
 207
 208
 209         /* call WH_MOUSE */
 210
 211     if (HOOK_IsHooked( WH_MOUSE ))
 212     {
 213         MOUSEHOOKSTRUCT16 *hook = SEGPTR_NEW(MOUSEHOOKSTRUCT16);
 214         if( hook )
 215         {
 216             hook->pt           = screen_pt;
 217             hook->hwnd         = hWnd;
 218             hook->wHitTestCode = hittest;
 219             hook->dwExtraInfo  = 0;
 220             ret = HOOK_CallHooks16( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
 221                                     message, (LPARAM)SEGPTR_GET(hook) );
 222             SEGPTR_FREE(hook);
 223         }
 224         if( ret )
 225         {
 226             retvalue = MAKELONG((INT16)SYSQ_MSG_SKIP, hittest);
 227             goto END;
 228     }
 229
 230     }
 231
 232
 233     if ((hittest == HTERROR) || (hittest == HTNOWHERE))
 234         eatMsg = sendSC = 1;
 235     else if( remove && mouseClick )
 236     {
 237         HWND hwndTop = WIN_GetTopParent( hWnd );
 238
 239         if( mouseClick == 1 )
 240         {
 241             /* set conditions */
 242             dblclk_time_limit = msg->time;
 243                clk_message = msg->message;
 244                clk_hwnd = hWnd;
 245                clk_pos = screen_pt;
 246         } else
 247             /* got double click - zero them out */
 248             dblclk_time_limit = clk_hwnd = 0;
 249
 250         if( sendSC )
 251         {
 252             /* Send the WM_PARENTNOTIFY,
 253              * note that even for double/nonclient clicks
 254              * notification message is still WM_L/M/RBUTTONDOWN.
 255              */
 256
 257             MSG_SendParentNotify( pWnd, msg->message & 0xffff, 0, MAKELPARAM(screen_pt.x, screen_pt.y) );
 258
 259             /* Activate the window if needed */
 260
 261             if (hWnd != GetActiveWindow() && hWnd != GetDesktopWindow())
 262             {
 263                 LONG ret = SendMessageA( hWnd, WM_MOUSEACTIVATE, hwndTop,
 264                                           MAKELONG( hittest, message ) );
 265
 266                 if ((ret == MA_ACTIVATEANDEAT) || (ret == MA_NOACTIVATEANDEAT))
 267                          eatMsg = TRUE;
 268
 269                 if (((ret == MA_ACTIVATE) || (ret == MA_ACTIVATEANDEAT))
 270                       && hwndTop != GetActiveWindow() )
 271                       if (!WINPOS_SetActiveWindow( hwndTop, TRUE , TRUE ))
 272                          eatMsg = TRUE;
 273             }
 274         }
 275     } else sendSC = (remove && sendSC);
 276
 277      /* Send the WM_SETCURSOR message */
 278
 279     if (sendSC)
 280         SendMessageA( hWnd, WM_SETCURSOR, hWnd,
 281                        MAKELONG( hittest, message ));
 282     if (eatMsg)
 283     {
 284         retvalue = MAKELONG( (UINT16)SYSQ_MSG_SKIP, hittest);
 285         goto END;
 286     }
 287
 288     msg->hwnd    = hWnd;
 289     msg->message = message;
 290     msg->lParam  = MAKELONG( pt.x, pt.y );
 291     retvalue = SYSQ_MSG_ACCEPT;
 292 END:
 293     WIN_ReleaseWndPtr(pWnd);
 294
 295     return retvalue;
 296 }
 297
 298
 299 /***********************************************************************
 300  *           MSG_TranslateKbdMsg
 301  *
 302  * Translate an keyboard hardware event into a real message.
 303  */
 304 static DWORD MSG_TranslateKbdMsg( HWND hTopWnd, DWORD first, DWORD last,
 305                                   MSG *msg, BOOL remove )
 306 {
 307     WORD message = msg->message;
 308     HWND hWnd = GetFocus();
 309     WND *pWnd;
 310
 311       /* Should check Ctrl-Esc and PrintScreen here */
 312
 313     if (!hWnd)
 314     {
 315           /* Send the message to the active window instead,  */
 316           /* translating messages to their WM_SYS equivalent */
 317
 318         hWnd = GetActiveWindow();
 319
 320         if( message < WM_SYSKEYDOWN )
 321             message += WM_SYSKEYDOWN - WM_KEYDOWN;
 322     }
 323     pWnd = WIN_FindWndPtr( hWnd );
 324     if (pWnd && (pWnd->hmemTaskQ != GetFastQueue16()))
 325     {
 326         /* Not for the current task */
 327         MESSAGEQUEUE *queue = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() );
 328         if (queue) QUEUE_ClearWakeBit( queue, QS_KEY );
 329         QUEUE_Unlock( queue );
 330
 331         /* Wake up the other task */
 332         queue = (MESSAGEQUEUE *)QUEUE_Lock( pWnd->hmemTaskQ );
 333         if (queue) QUEUE_SetWakeBit( queue, QS_KEY );
 334         QUEUE_Unlock( queue );
 335         WIN_ReleaseWndPtr(pWnd);
 336         return SYSQ_MSG_ABANDON;
 337     }
 338     WIN_ReleaseWndPtr(pWnd);
 339
 340     if (hTopWnd && hWnd != hTopWnd)
 341         if (!IsChild(hTopWnd, hWnd)) return SYSQ_MSG_CONTINUE;
 342     if (!MSG_CheckFilter(message, first, last)) return SYSQ_MSG_CONTINUE;
 343
 344     msg->hwnd = hWnd;
 345     msg->message = message;
 346
 347     return (HOOK_CallHooks16( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
 348                               LOWORD (msg->wParam), msg->lParam )
 349             ? SYSQ_MSG_SKIP : SYSQ_MSG_ACCEPT);
 350 }
 351
 352
 353 /***********************************************************************
 354  *           MSG_JournalRecordMsg
 355  *
 356  * Build an EVENTMSG structure and call JOURNALRECORD hook
 357  */
 358 static void MSG_JournalRecordMsg( MSG *msg )
 359 {
 360     EVENTMSG *event = (EVENTMSG *) HeapAlloc(SystemHeap, 0, sizeof(EVENTMSG));
 361     if (!event) return;
 362     event->message = msg->message;
 363     event->time = msg->time;
 364     if ((msg->message >= WM_KEYFIRST) && (msg->message <= WM_KEYLAST))
 365     {
 366         event->paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
 367         event->paramH = msg->lParam & 0x7FFF;
 368         if (HIWORD(msg->lParam) & 0x0100)
 369             event->paramH |= 0x8000;               /* special_key - bit */
 370         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event );
 371     }
 372     else if ((msg->message >= WM_MOUSEFIRST) && (msg->message <= WM_MOUSELAST))
 373     {
 374         event->paramL = LOWORD(msg->lParam);       /* X pos */
 375         event->paramH = HIWORD(msg->lParam);       /* Y pos */
 376         ClientToScreen16( msg->hwnd, (LPPOINT16)&event->paramL );
 377         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event );
 378     }
 379     else if ((msg->message >= WM_NCMOUSEFIRST) &&
 380              (msg->message <= WM_NCMOUSELAST))
 381     {
 382         event->paramL = LOWORD(msg->lParam);       /* X pos */
 383         event->paramH = HIWORD(msg->lParam);       /* Y pos */
 384         event->message += WM_MOUSEMOVE-WM_NCMOUSEMOVE;/* give no info about NC area */
 385         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event );
 386     }
 387
 388     HeapFree(SystemHeap, 0, event);
 389 }
 390
 391 /***********************************************************************
 392  *          MSG_JournalPlayBackMsg
 393  *
 394  * Get an EVENTMSG struct via call JOURNALPLAYBACK hook function
 395  */
 396 static int MSG_JournalPlayBackMsg(void)
 397 {
 398  EVENTMSG *tmpMsg;
 399  long wtime,lParam,wParam;
 400  WORD keyDown,i,result=0;
 401
 402  if ( HOOK_IsHooked( WH_JOURNALPLAYBACK ) )
 403  {
 404   tmpMsg = (EVENTMSG *) HeapAlloc(SystemHeap, 0, sizeof(EVENTMSG));
 405   if (!tmpMsg) return result;
 406
 407   wtime=HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_GETNEXT, 0,
 408                            (LPARAM) tmpMsg );
 409   /*  TRACE(msg,"Playback wait time =%ld\n",wtime); */
 410   if (wtime<=0)
 411   {
 412    wtime=0;
 413    if ((tmpMsg->message>= WM_KEYFIRST) && (tmpMsg->message <= WM_KEYLAST))
 414    {
 415      wParam=tmpMsg->paramL & 0xFF;
 416      lParam=MAKELONG(tmpMsg->paramH&0x7ffff,tmpMsg->paramL>>8);
 417      if (tmpMsg->message == WM_KEYDOWN || tmpMsg->message == WM_SYSKEYDOWN)
 418      {
 419        for (keyDown=i=0; i<256 && !keyDown; i++)
 420           if (InputKeyStateTable[i] & 0x80)
 421             keyDown++;
 422        if (!keyDown)
 423          lParam |= 0x40000000;
 424        AsyncKeyStateTable[wParam]=InputKeyStateTable[wParam] |= 0x80;
 425      }
 426      else                                       /* WM_KEYUP, WM_SYSKEYUP */
 427      {
 428        lParam |= 0xC0000000;
 429        AsyncKeyStateTable[wParam]=InputKeyStateTable[wParam] &= ~0x80;
 430      }
 431      if (InputKeyStateTable[VK_MENU] & 0x80)
 432        lParam |= 0x20000000;
 433      if (tmpMsg->paramH & 0x8000)              /*special_key bit*/
 434        lParam |= 0x01000000;
 435      hardware_event( tmpMsg->message & 0xffff, LOWORD(wParam), lParam,
 436                      0, 0, tmpMsg->time, 0 );
 437    }
 438    else
 439    {
 440     if ((tmpMsg->message>= WM_MOUSEFIRST) && (tmpMsg->message <= WM_MOUSELAST))
 441     {
 442      switch (tmpMsg->message)
 443      {
 444       case WM_LBUTTONDOWN:
 445           MouseButtonsStates[0]=AsyncMouseButtonsStates[0]=TRUE;break;
 446       case WM_LBUTTONUP:
 447           MouseButtonsStates[0]=AsyncMouseButtonsStates[0]=FALSE;break;
 448       case WM_MBUTTONDOWN:
 449           MouseButtonsStates[1]=AsyncMouseButtonsStates[1]=TRUE;break;
 450       case WM_MBUTTONUP:
 451           MouseButtonsStates[1]=AsyncMouseButtonsStates[1]=FALSE;break;
 452       case WM_RBUTTONDOWN:
 453           MouseButtonsStates[2]=AsyncMouseButtonsStates[2]=TRUE;break;
 454       case WM_RBUTTONUP:
 455           MouseButtonsStates[2]=AsyncMouseButtonsStates[2]=FALSE;break;
 456      }
 457      AsyncKeyStateTable[VK_LBUTTON]= InputKeyStateTable[VK_LBUTTON] = MouseButtonsStates[0] ? 0x80 : 0;
 458      AsyncKeyStateTable[VK_MBUTTON]= InputKeyStateTable[VK_MBUTTON] = MouseButtonsStates[1] ? 0x80 : 0;
 459      AsyncKeyStateTable[VK_RBUTTON]= InputKeyStateTable[VK_RBUTTON] = MouseButtonsStates[2] ? 0x80 : 0;
 460      SetCursorPos(tmpMsg->paramL,tmpMsg->paramH);
 461      lParam=MAKELONG(tmpMsg->paramL,tmpMsg->paramH);
 462      wParam=0;
 463      if (MouseButtonsStates[0]) wParam |= MK_LBUTTON;
 464      if (MouseButtonsStates[1]) wParam |= MK_MBUTTON;
 465      if (MouseButtonsStates[2]) wParam |= MK_RBUTTON;
 466      hardware_event( tmpMsg->message & 0xffff, LOWORD (wParam), lParam,
 467                      tmpMsg->paramL, tmpMsg->paramH, tmpMsg->time, 0 );
 468     }
 469    }
 470    HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_SKIP, 0,
 471                       (LPARAM) tmpMsg);
 472   }
 473   else
 474   {
 475
 476     if( tmpMsg->message == WM_QUEUESYNC )
 477         if (HOOK_IsHooked( WH_CBT ))
 478             HOOK_CallHooksA( WH_CBT, HCBT_QS, 0, 0L);
 479
 480     result= QS_MOUSE | QS_KEY; /* ? */
 481   }
 482   HeapFree(SystemHeap, 0, tmpMsg);
 483  }
 484  return result;
 485 }
 486
 487 /***********************************************************************
 488  *           MSG_PeekHardwareMsg
 489  *
 490  * Peek for a hardware message matching the hwnd and message filters.
 491  */
 492 static BOOL MSG_PeekHardwareMsg( MSG *msg, HWND hwnd, DWORD first, DWORD last,
 493                                    BOOL remove )
 494 {
 495     /* FIXME: should deal with MSG32 instead of MSG16 */
 496
 497     DWORD status = SYSQ_MSG_ACCEPT;
 498     MESSAGEQUEUE *sysMsgQueue = QUEUE_GetSysQueue();
 499     int kbd_msg;
 500     QMSG *nextqmsg, *qmsg = 0;
 501
 502     /* FIXME: there has to be a better way to do this */
 503     joySendMessages();
 504
 505     EnterCriticalSection(&sysMsgQueue->cSection);
 506
 507     qmsg = sysMsgQueue->firstMsg;
 508
 509     /* If the queue is empty, attempt to fill it */
 510     if (!sysMsgQueue->msgCount && THREAD_IsWin16( THREAD_Current() )
 511                                && EVENT_Pending())
 512     {
 513         LeaveCriticalSection(&sysMsgQueue->cSection);
 514         EVENT_WaitNetEvent( FALSE, TRUE );
 515         EnterCriticalSection(&sysMsgQueue->cSection);
 516     }
 517
 518     for ( kbd_msg = 0; qmsg; qmsg = nextqmsg)
 519     {
 520
 521         *msg = qmsg->msg;
 522
 523         nextqmsg = qmsg->nextMsg;
 524
 525           /* Translate message */
 526
 527         if ((msg->message >= WM_MOUSEFIRST) && (msg->message <= WM_MOUSELAST))
 528         {
 529
 530             HWND hWndScope = (HWND)qmsg->extraInfo;
 531             WND *tmpWnd = (Options.managed && IsWindow(hWndScope) )
 532                            ? WIN_FindWndPtr(hWndScope) : WIN_GetDesktop();
 533
 534             status = MSG_TranslateMouseMsg(hwnd, first, last, msg, remove,tmpWnd );
 535             kbd_msg = 0;
 536
 537             WIN_ReleaseWndPtr(tmpWnd);
 538
 539         }
 540         else if ((msg->message >= WM_KEYFIRST) && (msg->message <= WM_KEYLAST))
 541         {
 542             status = MSG_TranslateKbdMsg(hwnd, first, last, msg, remove);
 543             kbd_msg = 1;
 544         }
 545         else /* Non-standard hardware event */
 546         {
 547             HARDWAREHOOKSTRUCT16 *hook;
 548             if ((hook = SEGPTR_NEW(HARDWAREHOOKSTRUCT16)))
 549             {
 550                 BOOL ret;
 551                 hook->hWnd     = msg->hwnd;
 552                 hook->wMessage = msg->message & 0xffff;
 553                 hook->wParam   = LOWORD (msg->wParam);
 554                 hook->lParam   = msg->lParam;
 555                 ret = HOOK_CallHooks16( WH_HARDWARE,
 556                                         remove ? HC_ACTION : HC_NOREMOVE,
 557                                         0, (LPARAM)SEGPTR_GET(hook) );
 558                 SEGPTR_FREE(hook);
 559                 if (ret)
 560                 {
 561                     QUEUE_RemoveMsg( sysMsgQueue, qmsg );
 562                     continue;
 563                 }
 564                 status = SYSQ_MSG_ACCEPT;
 565             }
 566         }
 567
 568         switch (LOWORD(status))
 569         {
 570            case SYSQ_MSG_ACCEPT:
 571                 break;
 572
 573            case SYSQ_MSG_SKIP:
 574                 if (HOOK_IsHooked( WH_CBT ))
 575                 {
 576                    if( kbd_msg )
 577                        HOOK_CallHooks16( WH_CBT, HCBT_KEYSKIPPED,
 578                                          LOWORD (msg->wParam), msg->lParam );
 579                    else
 580                    {
 581                        MOUSEHOOKSTRUCT16 *hook = SEGPTR_NEW(MOUSEHOOKSTRUCT16);
 582                        if (hook)
 583                        {
 584                            CONV_POINT32TO16( &msg->pt,&hook->pt );
 585                            hook->hwnd         = msg->hwnd;
 586                            hook->wHitTestCode = HIWORD(status);
 587                            hook->dwExtraInfo  = 0;
 588                            HOOK_CallHooks16( WH_CBT, HCBT_CLICKSKIPPED ,msg->message & 0xffff,
 589                                           (LPARAM)SEGPTR_GET(hook) );
 590                            SEGPTR_FREE(hook);
 591                        }
 592                    }
 593                 }
 594
 595                 if (remove)
 596                     QUEUE_RemoveMsg( sysMsgQueue, qmsg );
 597                 /* continue */
 598
 599            case SYSQ_MSG_CONTINUE:
 600                 continue;
 601
 602            case SYSQ_MSG_ABANDON:
 603                LeaveCriticalSection(&sysMsgQueue->cSection);
 604                 return FALSE;
 605         }
 606
 607         if (remove)
 608         {
 609             if (HOOK_IsHooked( WH_JOURNALRECORD )) MSG_JournalRecordMsg( msg );
 610             QUEUE_RemoveMsg( sysMsgQueue, qmsg );
 611         }
 612         LeaveCriticalSection(&sysMsgQueue->cSection);
 613         return TRUE;
 614     }
 615     LeaveCriticalSection(&sysMsgQueue->cSection);
 616     return FALSE;
 617 }
 618
 619
 620 /**********************************************************************
 621  *           SetDoubleClickTime16   (USER.20)
 622  */
 623 void WINAPI SetDoubleClickTime16( UINT16 interval )
 624 {
 625     SetDoubleClickTime( interval );
 626 }
 627
 628
 629 /**********************************************************************
 630  *           SetDoubleClickTime32   (USER32.480)
 631  */
 632 BOOL WINAPI SetDoubleClickTime( UINT interval )
 633 {
 634     doubleClickSpeed = interval ? interval : 500;
 635     return TRUE;
 636 }
 637
 638
 639 /**********************************************************************
 640  *           GetDoubleClickTime16   (USER.21)
 641  */
 642 UINT16 WINAPI GetDoubleClickTime16(void)
 643 {
 644     return doubleClickSpeed;
 645 }
 646
 647
 648 /**********************************************************************
 649  *           GetDoubleClickTime32   (USER32.239)
 650  */
 651 UINT WINAPI GetDoubleClickTime(void)
 652 {
 653     return doubleClickSpeed;
 654 }
 655
 656
 657 /***********************************************************************
 658  *           MSG_SendMessageInterThread
 659  *
 660  * Implementation of an inter-task SendMessage.
 661  * Return values:
 662  *    0 if error or timeout
 663  *    1 if successflul
 664  */
 665 static LRESULT MSG_SendMessageInterThread( HQUEUE16 hDestQueue,
 666                                            HWND hwnd, UINT msg,
 667                                            WPARAM wParam, LPARAM lParam,
 668                                            DWORD timeout, WORD flags,
 669                                            LRESULT *pRes)
 670 {
 671     MESSAGEQUEUE *queue, *destQ;
 672     SMSG         *smsg;
 673     LRESULT      retVal = 1;
 674     int          iWndsLocks;
 675
 676     *pRes = 0;
 677
 678     if (IsTaskLocked16() || !IsWindow(hwnd))
 679         return 0;
 680
 681     /* create a SMSG structure to hold SendMessage() parameters */
 682     if (! (smsg = (SMSG *) HeapAlloc( SystemHeap, 0, sizeof(SMSG) )) )
 683         return 0;
 684     if (!(queue = (MESSAGEQUEUE*)QUEUE_Lock( GetFastQueue16() ))) return 0;
 685
 686     if (!(destQ = (MESSAGEQUEUE*)QUEUE_Lock( hDestQueue )))
 687     {
 688         QUEUE_Unlock( queue );
 689         return 0;
 690     }
 691
 692     TRACE(sendmsg,"SM: %s [%04x] (%04x -> %04x)\n",
 693                     SPY_GetMsgName(msg), msg, queue->self, hDestQueue );
 694
 695     /* fill up SMSG structure */
 696     smsg->hWnd = hwnd;
 697     smsg->msg = msg;
 698     smsg->wParam = wParam;
 699     smsg->lParam = lParam;
 700
 701     smsg->lResult = 0;
 702     smsg->hSrcQueue = GetFastQueue16();
 703     smsg->hDstQueue = hDestQueue;
 704     smsg->flags = flags;
 705
 706     /* add smsg struct in the processing SM list of the source queue */
 707     QUEUE_AddSMSG(queue, SM_PROCESSING_LIST, smsg);
 708
 709     /* add smsg struct in the pending list of the destination queue */
 710     if (QUEUE_AddSMSG(destQ, SM_PENDING_LIST, smsg) == FALSE)
 711         return 0;
 712
 713     iWndsLocks = WIN_SuspendWndsLock();
 714
 715     /* force destination task to run next, if 16 bit threads */
 716     if ( THREAD_IsWin16(THREAD_Current()) && THREAD_IsWin16(destQ->thdb) )
 717         DirectedYield16( destQ->thdb->teb.htask16 );
 718
 719     /* wait for the result, note that 16-bit apps almost always get out of
 720      * DirectedYield() with SMSG_HAVE_RESULT flag already set */
 721
 722     while ( TRUE )
 723     {
 724         /*
 725          * The sequence is crucial to avoid deadlock situations:
 726          * - first, we clear the QS_SMRESULT bit
 727          * - then, we check the SMSG_HAVE_RESULT bit
 728          * - only if this isn't set, we enter the wait state.
 729          *
 730          * As the receiver first sets the SMSG_HAVE_RESULT and then wakes us,
 731          * we are guaranteed that -should we now clear the QS_SMRESULT that
 732          * was signalled already by the receiver- we will not start waiting.
 733          */
 734
 735         if ( smsg->flags & SMSG_HAVE_RESULT )
 736         {
 737 got:
 738              *pRes = smsg->lResult;
 739              TRACE(sendmsg,"smResult = %08x\n", (unsigned)*pRes );
 740              break;
 741         }
 742
 743         QUEUE_ClearWakeBit( queue, QS_SMRESULT );
 744
 745         if ( smsg->flags & SMSG_HAVE_RESULT )
 746              goto got;
 747
 748         if(  QUEUE_WaitBits( QS_SMRESULT, timeout ) == 0 )
 749         {
 750              /* return with timeout */
 751              SetLastError( 0 );
 752              retVal = 0;
 753              break;
 754         }
 755     }
 756     WIN_RestoreWndsLock(iWndsLocks);
 757
 758     /* remove the smsg from the processingg list of the source queue */
 759     QUEUE_RemoveSMSG( queue, SM_PROCESSING_LIST, smsg );
 760
 761     /* Note: the destination thread is in charge of removing the smsg from
 762        the pending list */
 763
 764     /* In the case of an early reply (or a timeout), sender thread will
 765        released the smsg structure if the receiver thread is done
 766        (SMSG_RECEIVED set). If the receiver thread isn't done,
 767        SMSG_RECEIVER_CLEANS_UP flag is set, and it will be the receiver
 768        responsability to released smsg */
 769         EnterCriticalSection( &queue->cSection );
 770
 771         if (smsg->flags & SMSG_RECEIVED)
 772             HeapFree(SystemHeap, 0, smsg);
 773         else
 774             smsg->flags |= SMSG_RECEIVER_CLEANS;
 775
 776         LeaveCriticalSection( &queue->cSection );
 777
 778
 779     QUEUE_Unlock( queue );
 780     QUEUE_Unlock( destQ );
 781
 782     TRACE(sendmsg,"done!\n");
 783     return retVal;
 784 }
 785
 786
 787 /***********************************************************************
 788  *           ReplyMessage16   (USER.115)
 789  */
 790 void WINAPI ReplyMessage16( LRESULT result )
 791 {
 792     ReplyMessage( result );
 793 }
 794
 795 /***********************************************************************
 796  *           ReplyMessage   (USER.115)
 797  */
 798 BOOL WINAPI ReplyMessage( LRESULT result )
 799 {
 800     MESSAGEQUEUE *senderQ = 0;
 801     MESSAGEQUEUE *queue = 0;
 802     SMSG         *smsg;
 803     BOOL       ret = FALSE;
 804
 805     if (!(queue = (MESSAGEQUEUE*)QUEUE_Lock( GetFastQueue16() )))
 806         return FALSE;
 807
 808     TRACE(sendmsg,"ReplyMessage, queue %04x\n", queue->self);
 809
 810
 811     if (    !(smsg = queue->smWaiting)
 812          || !(senderQ = QUEUE_Lock( smsg->hSrcQueue )) )
 813         goto ReplyMessageEnd;
 814
 815     if ( !(smsg->flags & SMSG_ALREADY_REPLIED) )
 816     {
 817         /* This is the first reply, so pass result to sender */
 818
 819         TRACE( sendmsg,"\trpm: smResult = %08lx\n", (long) result );
 820
 821         EnterCriticalSection(&senderQ->cSection);
 822
 823         smsg->lResult = result;
 824         smsg->flags |= SMSG_ALREADY_REPLIED;
 825
 826         /* check if it's an early reply (called by the application) or
 827            a regular reply (called by ReceiveMessage) */
 828         if ( !(smsg->flags & SMSG_SENDING_REPLY) )
 829             smsg->flags |= SMSG_EARLY_REPLY;
 830
 831         smsg->flags |= SMSG_HAVE_RESULT;
 832
 833         LeaveCriticalSection(&senderQ->cSection);
 834
 835         /* tell the sending task that its reply is ready */
 836         QUEUE_SetWakeBit( senderQ, QS_SMRESULT );
 837
 838         /* switch directly to sending task (16 bit thread only) */
 839         if ( THREAD_IsWin16( THREAD_Current() ) && THREAD_IsWin16( senderQ->thdb ) )
 840             DirectedYield16( senderQ->thdb->teb.htask16 );
 841
 842         ret = TRUE;
 843     }
 844
 845     if (smsg->flags & SMSG_SENDING_REPLY)
 846     {
 847         /* remove msg from the waiting list, since this  is the last
 848           ReplyMessage */
 849         QUEUE_RemoveSMSG( queue, SM_WAITING_LIST, smsg );
 850
 851         EnterCriticalSection(&senderQ->cSection);
 852
 853         /* tell the sender we're all done with smsg structure */
 854         smsg->flags |= SMSG_RECEIVED;
 855
 856         /* sender will set SMSG_RECEIVER_CLEANS_UP if it wants the
 857          receiver to clean up smsg, it could only happens when there is
 858          an early reply or a timeout */
 859         if ( smsg->flags & SMSG_RECEIVER_CLEANS )
 860         {
 861             TRACE( sendmsg,"Receiver cleans up!\n" );
 862             HeapFree( SystemHeap, 0, smsg );
 863         }
 864
 865         LeaveCriticalSection(&senderQ->cSection);
 866     }
 867
 868 ReplyMessageEnd:
 869     if ( senderQ )
 870     QUEUE_Unlock( senderQ );
 871     if ( queue )
 872     QUEUE_Unlock( queue );
 873
 874     return ret;
 875 }
 876
 877 /***********************************************************************
 878  *           MSG_PeekMessage
 879  */
 880 static BOOL MSG_PeekMessage( LPMSG msg, HWND hwnd, DWORD first, DWORD last,
 881                                WORD flags, BOOL peek )
 882 {
 883     int mask;
 884     MESSAGEQUEUE *msgQueue;
 885     HQUEUE16 hQueue;
 886     POINT16 pt16;
 887     int iWndsLocks;
 888
 889 #ifdef CONFIG_IPC
 890     DDE_TestDDE(hwnd);  /* do we have dde handling in the window ?*/
 891     DDE_GetRemoteMessage();
 892 #endif  /* CONFIG_IPC */
 893
 894     mask = QS_POSTMESSAGE | QS_SENDMESSAGE;  /* Always selected */
 895     if (first || last)
 896     {
 897         if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
 898         if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
 899              ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
 900         if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
 901         if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
 902         if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
 903     }
 904     else mask |= QS_MOUSE | QS_KEY | QS_TIMER | QS_PAINT;
 905
 906     if (IsTaskLocked16()) flags |= PM_NOYIELD;
 907
 908     /* Never yield on Win32 threads */
 909     if (!THREAD_IsWin16(THREAD_Current())) flags |= PM_NOYIELD;
 910
 911     iWndsLocks = WIN_SuspendWndsLock();
 912
 913     while(1)
 914     {
 915         QMSG *qmsg;
 916
 917         hQueue   = GetFastQueue16();
 918         msgQueue = (MESSAGEQUEUE *)QUEUE_Lock( hQueue );
 919         if (!msgQueue)
 920         {
 921             WIN_RestoreWndsLock(iWndsLocks);
 922             return FALSE;
 923         }
 924         msgQueue->changeBits = 0;
 925
 926         /* First handle a message put by SendMessage() */
 927
 928         while (msgQueue->wakeBits & QS_SENDMESSAGE)
 929             QUEUE_ReceiveMessage( msgQueue );
 930
 931         /* Now handle a WM_QUIT message */
 932
 933         if (msgQueue->wPostQMsg &&
 934            (!first || WM_QUIT >= first) &&
 935            (!last || WM_QUIT <= last) )
 936         {
 937             msg->hwnd    = hwnd;
 938             msg->message = WM_QUIT;
 939             msg->wParam  = msgQueue->wExitCode;
 940             msg->lParam  = 0;
 941             if (flags & PM_REMOVE) msgQueue->wPostQMsg = 0;
 942             break;
 943         }
 944
 945         /* Now find a normal message */
 946
 947         if (((msgQueue->wakeBits & mask) & QS_POSTMESSAGE) &&
 948             ((qmsg = QUEUE_FindMsg( msgQueue, hwnd, first, last )) != 0))
 949         {
 950             *msg = qmsg->msg;
 951
 952             msgQueue->GetMessageTimeVal      = msg->time;
 953             CONV_POINT32TO16(&msg->pt, &pt16);
 954             msgQueue->GetMessagePosVal       = *(DWORD *)&pt16;
 955             msgQueue->GetMessageExtraInfoVal = qmsg->extraInfo;
 956
 957             if (flags & PM_REMOVE) QUEUE_RemoveMsg( msgQueue, qmsg );
 958             break;
 959         }
 960
 961         msgQueue->changeBits |= MSG_JournalPlayBackMsg();
 962
 963         /* Now find a hardware event */
 964
 965         if (((msgQueue->wakeBits & mask) & (QS_MOUSE | QS_KEY)) &&
 966             MSG_PeekHardwareMsg( msg, hwnd, first, last, flags & PM_REMOVE ))
 967         {
 968             /* Got one */
 969             msgQueue->GetMessageTimeVal      = msg->time;
 970             CONV_POINT32TO16(&msg->pt, &pt16);
 971             msgQueue->GetMessagePosVal       = *(DWORD *)&pt16;
 972             msgQueue->GetMessageExtraInfoVal = 0;  /* Always 0 for now */
 973             break;
 974         }
 975
 976         /* Check again for SendMessage */
 977
 978         while (msgQueue->wakeBits & QS_SENDMESSAGE)
 979             QUEUE_ReceiveMessage( msgQueue );
 980
 981         /* Now find a WM_PAINT message */
 982
 983         if ((msgQueue->wakeBits & mask) & QS_PAINT)
 984         {
 985             WND* wndPtr;
 986             msg->hwnd = WIN_FindWinToRepaint( hwnd , hQueue );
 987             msg->message = WM_PAINT;
 988             msg->wParam = 0;
 989             msg->lParam = 0;
 990
 991             if ((wndPtr = WIN_FindWndPtr(msg->hwnd)))
 992             {
 993                 if( wndPtr->dwStyle & WS_MINIMIZE &&
 994                     wndPtr->class->hIcon )
 995                 {
 996                     msg->message = WM_PAINTICON;
 997                     msg->wParam = 1;
 998                 }
 999
1000                 if( !hwnd || msg->hwnd == hwnd || IsChild16(hwnd,msg->hwnd) )
1001                 {
1002                     if( wndPtr->flags & WIN_INTERNAL_PAINT && !wndPtr->hrgnUpdate)
1003                     {
1004                         wndPtr->flags &= ~WIN_INTERNAL_PAINT;
1005                         QUEUE_DecPaintCount( hQueue );
1006                     }
1007                     WIN_ReleaseWndPtr(wndPtr);
1008                     break;
1009                 }
1010                 WIN_ReleaseWndPtr(wndPtr);
1011             }
1012         }
1013
1014         /* Check for timer messages, but yield first */
1015
1016         if (!(flags & PM_NOYIELD))
1017         {
1018             UserYield16();
1019             while (msgQueue->wakeBits & QS_SENDMESSAGE)
1020                 QUEUE_ReceiveMessage( msgQueue );
1021         }
1022         if ((msgQueue->wakeBits & mask) & QS_TIMER)
1023         {
1024             if (TIMER_GetTimerMsg(msg, hwnd, hQueue, flags & PM_REMOVE)) break;
1025         }
1026
1027         if (peek)
1028         {
1029             if (!(flags & PM_NOYIELD)) UserYield16();
1030
1031             QUEUE_Unlock( msgQueue );
1032             WIN_RestoreWndsLock(iWndsLocks);
1033             return FALSE;
1034         }
1035         msgQueue->wakeMask = mask;
1036         QUEUE_WaitBits( mask, INFINITE );
1037         QUEUE_Unlock( msgQueue );
1038     }
1039
1040     WIN_RestoreWndsLock(iWndsLocks);
1041
1042     /* instead of unlocking queue for every break condition, all break
1043        condition will fall here */
1044     QUEUE_Unlock( msgQueue );
1045
1046       /* We got a message */
1047     if (flags & PM_REMOVE)
1048     {
1049         WORD message = msg->message;
1050
1051         if (message == WM_KEYDOWN || message == WM_SYSKEYDOWN)
1052         {
1053             BYTE *p = &QueueKeyStateTable[msg->wParam & 0xff];
1054
1055             if (!(*p & 0x80))
1056                 *p ^= 0x01;
1057             *p |= 0x80;
1058         }
1059         else if (message == WM_KEYUP || message == WM_SYSKEYUP)
1060             QueueKeyStateTable[msg->wParam & 0xff] &= ~0x80;
1061     }
1062
1063     if (peek)
1064         return TRUE;
1065
1066     else
1067         return (msg->message != WM_QUIT);
1068 }
1069
1070 /***********************************************************************
1071  *           MSG_InternalGetMessage
1072  *
1073  * GetMessage() function for internal use. Behave like GetMessage(),
1074  * but also call message filters and optionally send WM_ENTERIDLE messages.
1075  * 'hwnd' must be the handle of the dialog or menu window.
1076  * 'code' is the message filter value (MSGF_??? codes).
1077  */
1078 BOOL MSG_InternalGetMessage( MSG *msg, HWND hwnd, HWND hwndOwner,
1079                                WPARAM code, WORD flags, BOOL sendIdle )
1080 {
1081     for (;;)
1082     {
1083         if (sendIdle)
1084         {
1085             if (!MSG_PeekMessage( msg, 0, 0, 0, flags, TRUE ))
1086             {
1087                   /* No message present -> send ENTERIDLE and wait */
1088                 if (IsWindow(hwndOwner))
1089                     SendMessageA( hwndOwner, WM_ENTERIDLE,
1090                                    code, (LPARAM)hwnd );
1091                 MSG_PeekMessage( msg, 0, 0, 0, flags, FALSE );
1092             }
1093         }
1094         else  /* Always wait for a message */
1095             MSG_PeekMessage( msg, 0, 0, 0, flags, FALSE );
1096
1097         /* Call message filters */
1098
1099         if (HOOK_IsHooked( WH_SYSMSGFILTER ) || HOOK_IsHooked( WH_MSGFILTER ))
1100         {
1101             MSG *pmsg = HeapAlloc( SystemHeap, 0, sizeof(MSG) );
1102             if (pmsg)
1103             {
1104                 BOOL ret;
1105                 *pmsg = *msg;
1106                 ret = (HOOK_CallHooksA( WH_SYSMSGFILTER, code, 0,
1107                                           (LPARAM) pmsg ) ||
1108                        HOOK_CallHooksA( WH_MSGFILTER, code, 0,
1109                                           (LPARAM) pmsg ));
1110
1111                 HeapFree( SystemHeap, 0, pmsg );
1112                 if (ret)
1113                 {
1114                     /* Message filtered -> remove it from the queue */
1115                     /* if it's still there. */
1116                     if (!(flags & PM_REMOVE))
1117                         MSG_PeekMessage( msg, 0, 0, 0, PM_REMOVE, TRUE );
1118                     continue;
1119                 }
1120             }
1121         }
1122
1123         return (msg->message != WM_QUIT);
1124     }
1125 }
1126
1127
1128 /***********************************************************************
1129  *           PeekMessage16   (USER.109)
1130  */
1131 BOOL16 WINAPI PeekMessage16( LPMSG16 lpmsg, HWND16 hwnd, UINT16 first,
1132                              UINT16 last, UINT16 flags )
1133 {
1134     MSG msg32;
1135     BOOL16 ret;
1136     ret = PeekMessageA(&msg32, hwnd, first, last, flags);
1137     STRUCT32_MSG32to16(&msg32, lpmsg);
1138     return ret;
1139 }
1140
1141 /***********************************************************************
1142  *         WIN16_PeekMessage32   (USER.819)
1143  */
1144 BOOL16 WINAPI PeekMessage32_16( LPMSG16_32 lpmsg16_32, HWND16 hwnd,
1145                UINT16 first, UINT16 last, UINT16 flags, BOOL16 wHaveParamHigh )
1146 {
1147     if (wHaveParamHigh == FALSE)
1148     {
1149         lpmsg16_32->wParamHigh = 0;
1150         return PeekMessage16(&(lpmsg16_32->msg), hwnd, first, last, flags);
1151     }
1152     else
1153     {
1154         MSG msg32;
1155         BOOL16 ret;
1156
1157         ret = (BOOL16)PeekMessageA(&msg32, (HWND)hwnd,
1158                                    (UINT)first, (UINT)last, (UINT)flags);
1159         lpmsg16_32->msg.hwnd    = msg32.hwnd;
1160         lpmsg16_32->msg.message = msg32.message;
1161         lpmsg16_32->msg.wParam  = LOWORD(msg32.wParam);
1162         lpmsg16_32->msg.lParam  = msg32.lParam;
1163         lpmsg16_32->msg.time    = msg32.time;
1164         lpmsg16_32->msg.pt.x    = (INT16)msg32.pt.x;
1165         lpmsg16_32->msg.pt.y    = (INT16)msg32.pt.y;
1166         lpmsg16_32->wParamHigh  = HIWORD(msg32.wParam);
1167         return ret;
1168     }
1169 }
1170
1171
1172 /***********************************************************************
1173  *         PeekMessageA
1174  */
1175 BOOL WINAPI PeekMessageA( LPMSG lpmsg, HWND hwnd,
1176                               UINT min,UINT max,UINT wRemoveMsg)
1177 {
1178     return MSG_PeekMessage( lpmsg, hwnd, min, max, wRemoveMsg, TRUE );
1179 }
1180
1181 /***********************************************************************
1182  *         PeekMessageW             Check queue for messages
1183  *
1184  * Checks for a message in the thread's queue, filtered as for
1185  * GetMessage(). Returns immediately whether a message is available
1186  * or not.
1187  *
1188  * Whether a retrieved message is removed from the queue is set by the
1189  * _wRemoveMsg_ flags, which should be one of the following values:
1190  *
1191  *    PM_NOREMOVE    Do not remove the message from the queue.
1192  *
1193  *    PM_REMOVE      Remove the message from the queue.
1194  *
1195  * In addition, PM_NOYIELD may be combined into _wRemoveMsg_ to
1196  * request that the system not yield control during PeekMessage();
1197  * however applications may not rely on scheduling behavior.
1198  *
1199  * RETURNS
1200  *
1201  *  Nonzero if a message is available and is retrieved, zero otherwise.
1202  *
1203  * CONFORMANCE
1204  *
1205  * ECMA-234, Win32
1206  *
1207  */
1208 BOOL WINAPI PeekMessageW(
1209   LPMSG lpmsg,    /* buffer to receive message */
1210   HWND hwnd,      /* restrict to messages for hwnd */
1211   UINT min,       /* minimum message to receive */
1212   UINT max,       /* maximum message to receive */
1213   UINT wRemoveMsg /* removal flags */
1214 ) {
1215         /* FIXME: Should perform Unicode translation on specific messages */
1216         return PeekMessageA(lpmsg,hwnd,min,max,wRemoveMsg);
1217 }
1218
1219 /***********************************************************************
1220  *           GetMessage16   (USER.108)
1221  */
1222 BOOL16 WINAPI GetMessage16( SEGPTR msg, HWND16 hwnd, UINT16 first, UINT16 last)
1223 {
1224     BOOL ret;
1225     MSG16 *lpmsg = (MSG16 *)PTR_SEG_TO_LIN(msg);
1226     MSG msg32;
1227
1228     ret = GetMessageA( &msg32, hwnd, first, last );
1229
1230     STRUCT32_MSG32to16( &msg32, lpmsg );
1231
1232     TRACE(msg,"message %04x, hwnd %04x, filter(%04x - %04x)\n", lpmsg->message,
1233                                                                  hwnd, first, last );
1234
1235     return ret;
1236 }
1237
1238 /***********************************************************************
1239  *          WIN16_GetMessage32   (USER.820)
1240  */
1241 BOOL16 WINAPI GetMessage32_16( SEGPTR msg16_32, HWND16 hWnd, UINT16 first,
1242                      UINT16 last, BOOL16 wHaveParamHigh )
1243 {
1244     MSG32_16 *lpmsg16_32 = (MSG32_16 *)PTR_SEG_TO_LIN(msg16_32);
1245
1246     if (wHaveParamHigh == FALSE) /* normal GetMessage16 call */
1247     {
1248
1249         lpmsg16_32->wParamHigh = 0; /* you never know... */
1250         /* WARNING: msg16_32->msg has to be the first variable in the struct */
1251         return GetMessage16(msg16_32, hWnd, first, last);
1252     }
1253     else
1254     {
1255         MSG msg32;
1256         BOOL16 ret;
1257
1258         ret = (BOOL16)GetMessageA(&msg32, hWnd, first, last);
1259         lpmsg16_32->msg.hwnd    = msg32.hwnd;
1260         lpmsg16_32->msg.message = msg32.message;
1261         lpmsg16_32->msg.wParam  = LOWORD(msg32.wParam);
1262         lpmsg16_32->msg.lParam  = msg32.lParam;
1263         lpmsg16_32->msg.time    = msg32.time;
1264         lpmsg16_32->msg.pt.x    = (INT16)msg32.pt.x;
1265         lpmsg16_32->msg.pt.y    = (INT16)msg32.pt.y;
1266         lpmsg16_32->wParamHigh  = HIWORD(msg32.wParam);
1267         return ret;
1268     }
1269 }
1270
1271 /***********************************************************************
1272  *          GetMessage32A   (USER32.270)
1273  */
1274 BOOL WINAPI GetMessageA(MSG* lpmsg,HWND hwnd,UINT min,UINT max)
1275 {
1276     MSG_PeekMessage( lpmsg, hwnd, min, max, PM_REMOVE, FALSE );
1277
1278     TRACE(msg,"message %04x, hwnd %04x, filter(%04x - %04x)\n", lpmsg->message,
1279           hwnd, min, max );
1280
1281     HOOK_CallHooksA( WH_GETMESSAGE, HC_ACTION, 0, (LPARAM)lpmsg );
1282
1283     return (lpmsg->message != WM_QUIT);
1284 }
1285
1286 /***********************************************************************
1287  *          GetMessage32W   (USER32.274) Retrieve next message
1288  *
1289  * GetMessage retrieves the next event from the calling thread's
1290  * queue and deposits it in *lpmsg.
1291  *
1292  * If _hwnd_ is not NULL, only messages for window _hwnd_ and its
1293  * children as specified by IsChild() are retrieved. If _hwnd_ is NULL
1294  * all application messages are retrieved.
1295  *
1296  * _min_ and _max_ specify the range of messages of interest. If
1297  * min==max==0, no filtering is performed. Useful examples are
1298  * WM_KEYFIRST and WM_KEYLAST to retrieve keyboard input, and
1299  * WM_MOUSEFIRST and WM_MOUSELAST to retrieve mouse input.
1300  *
1301  * WM_PAINT messages are not removed from the queue; they remain until
1302  * processed. Other messages are removed from the queue.
1303  *
1304  * RETURNS
1305  *
1306  * -1 on error, 0 if message is WM_QUIT, nonzero otherwise.
1307  *
1308  * CONFORMANCE
1309  *
1310  * ECMA-234, Win32
1311  *
1312  */
1313 BOOL WINAPI GetMessageW(
1314   MSG* lpmsg, /* buffer to receive message */
1315   HWND hwnd,  /* restrict to messages for hwnd */
1316   UINT min,   /* minimum message to receive */
1317   UINT max    /* maximum message to receive */
1318 ) {
1319     /* FIXME */
1320     return GetMessageA(lpmsg, hwnd, min, max);
1321 }
1322
1323
1324 /***********************************************************************
1325  *           PostMessage16   (USER.110)
1326  */
1327 BOOL16 WINAPI PostMessage16( HWND16 hwnd, UINT16 message, WPARAM16 wParam,
1328                              LPARAM lParam )
1329 {
1330     return (BOOL16) PostMessageA( hwnd, message, wParam, lParam );
1331 }
1332
1333
1334 /***********************************************************************
1335  *           PostMessage32A   (USER32.419)
1336  */
1337 BOOL WINAPI PostMessageA( HWND hwnd, UINT message, WPARAM wParam,
1338                               LPARAM lParam )
1339 {
1340     MSG       msg;
1341     WND         *wndPtr;
1342     BOOL      retvalue;
1343
1344     msg.hwnd    = hwnd;
1345     msg.message = message;
1346     msg.wParam  = wParam;
1347     msg.lParam  = lParam;
1348     msg.time    = GetTickCount();
1349     msg.pt.x    = 0;
1350     msg.pt.y    = 0;
1351
1352 #ifdef CONFIG_IPC
1353     if (DDE_PostMessage(&msg))
1354        return TRUE;
1355 #endif  /* CONFIG_IPC */
1356
1357     if (hwnd == HWND_BROADCAST)
1358     {
1359         WND *pDesktop = WIN_GetDesktop();
1360         TRACE(msg,"HWND_BROADCAST !\n");
1361
1362         for (wndPtr=WIN_LockWndPtr(pDesktop->child); wndPtr; WIN_UpdateWndPtr(&wndPtr,wndPtr->next))
1363         {
1364             if (wndPtr->dwStyle & WS_POPUP || wndPtr->dwStyle & WS_CAPTION)
1365             {
1366                 TRACE(msg,"BROADCAST Message to hWnd=%04x m=%04X w=%04X l=%08lX !\n",
1367                             wndPtr->hwndSelf, message, wParam, lParam);
1368                 PostMessageA( wndPtr->hwndSelf, message, wParam, lParam );
1369             }
1370         }
1371         WIN_ReleaseDesktop();
1372         TRACE(msg,"End of HWND_BROADCAST !\n");
1373         return TRUE;
1374     }
1375
1376     wndPtr = WIN_FindWndPtr( hwnd );
1377     if (!wndPtr || !wndPtr->hmemTaskQ)
1378     {
1379         retvalue = FALSE;
1380         goto END;
1381     }
1382
1383     retvalue = QUEUE_AddMsg( wndPtr->hmemTaskQ, &msg, 0 );
1384 END:
1385     WIN_ReleaseWndPtr(wndPtr);
1386     return retvalue;
1387 }
1388
1389
1390 /***********************************************************************
1391  *           PostMessage32W   (USER32.420)
1392  */
1393 BOOL WINAPI PostMessageW( HWND hwnd, UINT message, WPARAM wParam,
1394                               LPARAM lParam )
1395 {
1396   /* FIXME */
1397   return PostMessageA( hwnd, message, wParam, lParam );
1398 }
1399
1400
1401 /***********************************************************************
1402  *           PostAppMessage16   (USER.116)
1403  */
1404 BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 message, WPARAM16 wParam,
1405                                 LPARAM lParam )
1406 {
1407     MSG msg;
1408
1409     if (GetTaskQueue16(hTask) == 0) return FALSE;
1410     msg.hwnd    = 0;
1411     msg.message = message;
1412     msg.wParam  = wParam;
1413     msg.lParam  = lParam;
1414     msg.time    = GetTickCount();
1415     msg.pt.x    = 0;
1416     msg.pt.y    = 0;
1417
1418     return QUEUE_AddMsg( GetTaskQueue16(hTask), &msg, 0 );
1419 }
1420
1421 /************************************************************************
1422  *           MSG_CallWndProcHook32
1423  */
1424 static void  MSG_CallWndProcHook( LPMSG pmsg, BOOL bUnicode )
1425 {
1426    CWPSTRUCT cwp;
1427
1428    cwp.lParam = pmsg->lParam;
1429    cwp.wParam = pmsg->wParam;
1430    cwp.message = pmsg->message;
1431    cwp.hwnd = pmsg->hwnd;
1432
1433    if (bUnicode) HOOK_CallHooksW(WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp);
1434    else HOOK_CallHooksA( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp );
1435
1436    pmsg->lParam = cwp.lParam;
1437    pmsg->wParam = cwp.wParam;
1438    pmsg->message = cwp.message;
1439    pmsg->hwnd = cwp.hwnd;
1440 }
1441
1442
1443 /***********************************************************************
1444  *           MSG_SendMessage
1445  *
1446  * return values: 0 if timeout occurs
1447  *                1 otherwise
1448  */
1449 LRESULT MSG_SendMessage( HWND hwnd, UINT msg, WPARAM wParam,
1450                          LPARAM lParam, DWORD timeout, WORD flags,
1451                          LRESULT *pRes)
1452 {
1453     WND * wndPtr = 0;
1454     WND **list, **ppWnd;
1455     LRESULT ret = 1;
1456
1457     *pRes = 0;
1458
1459     if (hwnd == HWND_BROADCAST)
1460     {
1461         *pRes = 1;
1462
1463         if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
1464         {
1465             WIN_ReleaseDesktop();
1466             return 1;
1467         }
1468         WIN_ReleaseDesktop();
1469
1470         TRACE(msg,"HWND_BROADCAST !\n");
1471         for (ppWnd = list; *ppWnd; ppWnd++)
1472         {
1473             WIN_UpdateWndPtr(&wndPtr,*ppWnd);
1474             if (!IsWindow(wndPtr->hwndSelf)) continue;
1475             if (wndPtr->dwStyle & WS_POPUP || wndPtr->dwStyle & WS_CAPTION)
1476             {
1477                 TRACE(msg,"BROADCAST Message to hWnd=%04x m=%04X w=%04lX l=%08lX !\n",
1478                             wndPtr->hwndSelf, msg, (DWORD)wParam, lParam);
1479                 MSG_SendMessage( wndPtr->hwndSelf, msg, wParam, lParam,
1480                                timeout, flags, pRes);
1481             }
1482         }
1483         WIN_ReleaseWndPtr(wndPtr);
1484         WIN_ReleaseWinArray(list);
1485         TRACE(msg,"End of HWND_BROADCAST !\n");
1486         return 1;
1487     }
1488
1489     if (HOOK_IsHooked( WH_CALLWNDPROC ))
1490     {
1491         if (flags & SMSG_UNICODE)
1492             MSG_CallWndProcHook( (LPMSG)&hwnd, TRUE);
1493         else if (flags & SMSG_WIN32)
1494             MSG_CallWndProcHook( (LPMSG)&hwnd, FALSE);
1495         else
1496         {
1497         LPCWPSTRUCT16 pmsg;
1498
1499         if ((pmsg = SEGPTR_NEW(CWPSTRUCT16)))
1500         {
1501                 pmsg->hwnd   = hwnd & 0xffff;
1502                 pmsg->message= msg & 0xffff;
1503                 pmsg->wParam = wParam & 0xffff;
1504             pmsg->lParam = lParam;
1505             HOOK_CallHooks16( WH_CALLWNDPROC, HC_ACTION, 1,
1506                               (LPARAM)SEGPTR_GET(pmsg) );
1507             hwnd   = pmsg->hwnd;
1508             msg    = pmsg->message;
1509             wParam = pmsg->wParam;
1510             lParam = pmsg->lParam;
1511             SEGPTR_FREE( pmsg );
1512         }
1513     }
1514     }
1515
1516     if (!(wndPtr = WIN_FindWndPtr( hwnd )))
1517     {
1518         WARN(msg, "invalid hwnd %04x\n", hwnd );
1519         return 0;
1520     }
1521     if (QUEUE_IsExitingQueue(wndPtr->hmemTaskQ))
1522     {
1523         ret = 0;  /* Don't send anything if the task is dying */
1524         goto END;
1525     }
1526     if (flags & SMSG_WIN32)
1527         SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wParam, lParam );
1528     else
1529     SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wParam, lParam );
1530
1531     if (wndPtr->hmemTaskQ != GetFastQueue16())
1532         ret = MSG_SendMessageInterThread( wndPtr->hmemTaskQ, hwnd, msg,
1533                                           wParam, lParam, timeout, flags, pRes );
1534     else
1535     {
1536         /* Call the right CallWindowProc flavor */
1537         if (flags & SMSG_UNICODE)
1538             *pRes = CallWindowProcW( (WNDPROC)wndPtr->winproc,
1539                                      hwnd, msg, wParam, lParam );
1540         else if (flags & SMSG_WIN32)
1541             *pRes = CallWindowProcA( (WNDPROC)wndPtr->winproc,
1542                                 hwnd, msg, wParam, lParam );
1543         else
1544             *pRes = CallWindowProc16( (WNDPROC16)wndPtr->winproc,
1545                                     (HWND16) hwnd, (UINT16) msg,
1546                                     (WPARAM16) wParam, lParam );
1547     }
1548
1549     if (flags & SMSG_WIN32)
1550         SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, ret );
1551     else
1552     SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, ret );
1553 END:
1554     WIN_ReleaseWndPtr(wndPtr);
1555     return ret;
1556 }
1557
1558
1559 /***********************************************************************
1560  *           SendMessage16   (USER.111)
1561  */
1562 LRESULT WINAPI SendMessage16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
1563                               LPARAM lParam)
1564 {
1565     LRESULT res;
1566 #ifdef CONFIG_IPC
1567     MSG16 DDE_msg = { hwnd, msg, wParam, lParam };
1568     if (DDE_SendMessage(&DDE_msg)) return TRUE;
1569 #endif  /* CONFIG_IPC */
1570
1571     MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, 0, &res);
1572
1573     return res;
1574 }
1575
1576
1577
1578 /**********************************************************************
1579  *           PostThreadMessage32A    (USER32.422)
1580  *
1581  * BUGS
1582  *
1583  *  Thread-local message queues are not supported.
1584  *
1585  */
1586 BOOL WINAPI PostThreadMessageA(DWORD idThread , UINT message,
1587                                    WPARAM wParam, LPARAM lParam )
1588 {
1589     MSG msg;
1590     HQUEUE16 hQueue;
1591
1592     if ((hQueue = GetThreadQueue16(idThread)) == 0)
1593         return FALSE;
1594
1595     msg.hwnd    = 0;
1596     msg.message = message;
1597     msg.wParam  = wParam;
1598     msg.lParam  = lParam;
1599     msg.time    = GetTickCount();
1600     msg.pt.x    = 0;
1601     msg.pt.y    = 0;
1602
1603     return QUEUE_AddMsg( hQueue, &msg, 0 );
1604 }
1605
1606 /**********************************************************************
1607  *           PostThreadMessage32W    (USER32.423)
1608  *
1609  * BUGS
1610  *
1611  *  Thread-local message queues are not supported.
1612  *
1613  */
1614 BOOL WINAPI PostThreadMessageW(DWORD idThread , UINT message,
1615                                    WPARAM wParam, LPARAM lParam )
1616 {
1617    FIXME(sendmsg, "(...): Should do unicode/ascii conversion!\n");
1618    return PostThreadMessageA(idThread, message, wParam, lParam);
1619 }
1620
1621 /***********************************************************************
1622  *           SendMessage32A   (USER32.454)
1623  */
1624 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wParam,
1625                                LPARAM lParam )
1626         {
1627     LRESULT res;
1628
1629     MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE,
1630                     SMSG_WIN32, &res);
1631
1632     return res;
1633 }
1634
1635
1636 /***********************************************************************
1637  *           SendMessage32W   (USER32.459)  Send Window Message
1638  *
1639  *  Sends a message to the window procedure of the specified window.
1640  *  SendMessage() will not return until the called window procedure
1641  *  either returns or calls ReplyMessage().
1642  *
1643  *  Use PostMessage() to send message and return immediately. A window
1644  *  procedure may use InSendMessage() to detect
1645  *  SendMessage()-originated messages.
1646  *
1647  *  Applications which communicate via HWND_BROADCAST may use
1648  *  RegisterWindowMessage() to obtain a unique message to avoid conflicts
1649  *  with other applications.
1650  *
1651  * CONFORMANCE
1652  *
1653  *  ECMA-234, Win32
1654  */
1655 LRESULT WINAPI SendMessageW(
1656   HWND hwnd,    /* Window to send message to. If HWND_BROADCAST,
1657                  the message will be sent to all top-level windows. */
1658
1659   UINT msg,      /* message */
1660   WPARAM wParam, /* message parameter */
1661   LPARAM lParam    /* additional message parameter */
1662 ) {
1663     LRESULT res;
1664
1665     MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE,
1666                     SMSG_WIN32 | SMSG_UNICODE, &res);
1667
1668     return res;
1669 }
1670
1671
1672 /***********************************************************************
1673  *           SendMessageTimeout16    (not a WINAPI)
1674  */
1675 LRESULT WINAPI SendMessageTimeout16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
1676                                      LPARAM lParam, UINT16 flags,
1677                                      UINT16 timeout, LPWORD resultp)
1678 {
1679     LRESULT ret;
1680     LRESULT msgRet;
1681
1682     /* FIXME: need support for SMTO_BLOCK */
1683
1684     ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout, 0, &msgRet);
1685     *resultp = (WORD) msgRet;
1686     return ret;
1687 }
1688
1689
1690 /***********************************************************************
1691  *           SendMessageTimeoutA   (USER32.457)
1692  */
1693 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wParam,
1694                                       LPARAM lParam, UINT flags,
1695                                       UINT timeout, LPDWORD resultp)
1696 {
1697     LRESULT ret;
1698     LRESULT msgRet;
1699
1700     /* FIXME: need support for SMTO_BLOCK */
1701
1702     ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout, SMSG_WIN32,
1703                           &msgRet);
1704
1705     *resultp = (DWORD) msgRet;
1706     return ret;
1707 }
1708
1709
1710 /***********************************************************************
1711  *           SendMessageTimeoutW   (USER32.458)
1712  */
1713 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wParam,
1714                                       LPARAM lParam, UINT flags,
1715                                       UINT timeout, LPDWORD resultp)
1716 {
1717     LRESULT ret;
1718     LRESULT msgRet;
1719
1720     /* FIXME: need support for SMTO_BLOCK */
1721
1722     ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout,
1723                           SMSG_WIN32 | SMSG_UNICODE, &msgRet);
1724
1725     *resultp = (DWORD) msgRet;
1726     return ret;
1727 }
1728
1729
1730 /***********************************************************************
1731  *  WaitMessage    (USER.112) (USER32.578)  Suspend thread pending messages
1732  *
1733  * WaitMessage() suspends a thread until events appear in the thread's
1734  * queue.
1735  *
1736  * BUGS
1737  *
1738  * Is supposed to return BOOL under Win32.
1739  *
1740  * Thread-local message queues are not supported.
1741  *
1742  * CONFORMANCE
1743  *
1744  * ECMA-234, Win32
1745  *
1746  */
1747 void WINAPI WaitMessage( void )
1748 {
1749     QUEUE_WaitBits( QS_ALLINPUT, INFINITE );
1750 }
1751
1752 /***********************************************************************
1753  *           MsgWaitForMultipleObjects    (USER32.400)
1754  */
1755 DWORD WINAPI MsgWaitForMultipleObjects( DWORD nCount, HANDLE *pHandles,
1756                                         BOOL fWaitAll, DWORD dwMilliseconds,
1757                                         DWORD dwWakeMask )
1758 {
1759     DWORD i;
1760     HANDLE handles[MAXIMUM_WAIT_OBJECTS];
1761     DWORD ret;
1762
1763     HQUEUE16 hQueue = GetFastQueue16();
1764     MESSAGEQUEUE *msgQueue = (MESSAGEQUEUE *)QUEUE_Lock( hQueue );
1765     if (!msgQueue) return WAIT_FAILED;
1766
1767     if (nCount > MAXIMUM_WAIT_OBJECTS-1)
1768     {
1769         SetLastError( ERROR_INVALID_PARAMETER );
1770         QUEUE_Unlock( msgQueue );
1771         return WAIT_FAILED;
1772     }
1773
1774     msgQueue->changeBits = 0;
1775     msgQueue->wakeMask = dwWakeMask;
1776
1777     if (THREAD_IsWin16(THREAD_Current()))
1778     {
1779       /*
1780        * This is a temporary solution to a big problem.
1781        * You see, the main thread of all Win32 programs is created as a 16 bit
1782        * task. This means that if you want on an event using Win32 synchronization
1783        * methods, the 16 bit scheduler is stopped and things might just stop happening.
1784        * This implements a semi-busy loop that checks the handles to wait on and
1785        * also the message queue. When either one is ready, the wait function returns.
1786        *
1787        * This will all go away when the real Win32 threads are implemented for all
1788        * the threads of an applications. Including the main thread.
1789        */
1790       DWORD curTime = GetCurrentTime();
1791
1792       do
1793       {
1794         /*
1795          * Check the handles in the list.
1796          */
1797         ret = WaitForMultipleObjects(nCount, pHandles, fWaitAll, 5L);
1798
1799         /*
1800          * If the handles have been triggered, return.
1801          */
1802         if (ret != WAIT_TIMEOUT)
1803           break;
1804
1805         /*
1806          * Then, let the 16 bit scheduler do it's thing.
1807          */
1808         Yield16();
1809
1810         /*
1811          * If a message matching the wait mask has arrived, return.
1812          */
1813         if (msgQueue->changeBits & dwWakeMask)
1814         {
1815           ret = nCount;
1816           break;
1817         }
1818
1819         /*
1820          * And continue doing this until we hit the timeout.
1821          */
1822       } while ((dwMilliseconds == INFINITE) || (GetCurrentTime()-curTime < dwMilliseconds) );
1823     }
1824     else
1825     {
1826     /* Add the thread event to the handle list */
1827       for (i = 0; i < nCount; i++)
1828         handles[i] = pHandles[i];
1829     handles[nCount] = msgQueue->hEvent;
1830
1831     EVENT_Pending();
1832
1833     ret = WaitForMultipleObjects( nCount+1, handles, fWaitAll, dwMilliseconds );
1834     }
1835
1836     QUEUE_Unlock( msgQueue );
1837
1838     return ret;
1839 }
1840
1841
1842
1843 struct accent_char
1844 {
1845     BYTE ac_accent;
1846     BYTE ac_char;
1847     BYTE ac_result;
1848 };
1849
1850 static const struct accent_char accent_chars[] =
1851 {
1852 /* A good idea should be to read /usr/X11/lib/X11/locale/iso8859-x/Compose */
1853     {'`', 'A', '\300'},  {'`', 'a', '\340'},
1854     {'\'', 'A', '\301'}, {'\'', 'a', '\341'},
1855     {'^', 'A', '\302'},  {'^', 'a', '\342'},
1856     {'~', 'A', '\303'},  {'~', 'a', '\343'},
1857     {'"', 'A', '\304'},  {'"', 'a', '\344'},
1858     {'O', 'A', '\305'},  {'o', 'a', '\345'},
1859     {'0', 'A', '\305'},  {'0', 'a', '\345'},
1860     {'A', 'A', '\305'},  {'a', 'a', '\345'},
1861     {'A', 'E', '\306'},  {'a', 'e', '\346'},
1862     {',', 'C', '\307'},  {',', 'c', '\347'},
1863     {'`', 'E', '\310'},  {'`', 'e', '\350'},
1864     {'\'', 'E', '\311'}, {'\'', 'e', '\351'},
1865     {'^', 'E', '\312'},  {'^', 'e', '\352'},
1866     {'"', 'E', '\313'},  {'"', 'e', '\353'},
1867     {'`', 'I', '\314'},  {'`', 'i', '\354'},
1868     {'\'', 'I', '\315'}, {'\'', 'i', '\355'},
1869     {'^', 'I', '\316'},  {'^', 'i', '\356'},
1870     {'"', 'I', '\317'},  {'"', 'i', '\357'},
1871     {'-', 'D', '\320'},  {'-', 'd', '\360'},
1872     {'~', 'N', '\321'},  {'~', 'n', '\361'},
1873     {'`', 'O', '\322'},  {'`', 'o', '\362'},
1874     {'\'', 'O', '\323'}, {'\'', 'o', '\363'},
1875     {'^', 'O', '\324'},  {'^', 'o', '\364'},
1876     {'~', 'O', '\325'},  {'~', 'o', '\365'},
1877     {'"', 'O', '\326'},  {'"', 'o', '\366'},
1878     {'/', 'O', '\330'},  {'/', 'o', '\370'},
1879     {'`', 'U', '\331'},  {'`', 'u', '\371'},
1880     {'\'', 'U', '\332'}, {'\'', 'u', '\372'},
1881     {'^', 'U', '\333'},  {'^', 'u', '\373'},
1882     {'"', 'U', '\334'},  {'"', 'u', '\374'},
1883     {'\'', 'Y', '\335'}, {'\'', 'y', '\375'},
1884     {'T', 'H', '\336'},  {'t', 'h', '\376'},
1885     {'s', 's', '\337'},  {'"', 'y', '\377'},
1886     {'s', 'z', '\337'},  {'i', 'j', '\377'},
1887         /* iso-8859-2 uses this */
1888     {'<', 'L', '\245'},  {'<', 'l', '\265'},    /* caron */
1889     {'<', 'S', '\251'},  {'<', 's', '\271'},
1890     {'<', 'T', '\253'},  {'<', 't', '\273'},
1891     {'<', 'Z', '\256'},  {'<', 'z', '\276'},
1892     {'<', 'C', '\310'},  {'<', 'c', '\350'},
1893     {'<', 'E', '\314'},  {'<', 'e', '\354'},
1894     {'<', 'D', '\317'},  {'<', 'd', '\357'},
1895     {'<', 'N', '\322'},  {'<', 'n', '\362'},
1896     {'<', 'R', '\330'},  {'<', 'r', '\370'},
1897     {';', 'A', '\241'},  {';', 'a', '\261'},    /* ogonek */
1898     {';', 'E', '\312'},  {';', 'e', '\332'},
1899     {'\'', 'Z', '\254'}, {'\'', 'z', '\274'},   /* acute */
1900     {'\'', 'R', '\300'}, {'\'', 'r', '\340'},
1901     {'\'', 'L', '\305'}, {'\'', 'l', '\345'},
1902     {'\'', 'C', '\306'}, {'\'', 'c', '\346'},
1903     {'\'', 'N', '\321'}, {'\'', 'n', '\361'},
1904 /*  collision whith S, from iso-8859-9 !!! */
1905     {',', 'S', '\252'},  {',', 's', '\272'},    /* cedilla */
1906     {',', 'T', '\336'},  {',', 't', '\376'},
1907     {'.', 'Z', '\257'},  {'.', 'z', '\277'},    /* dot above */
1908     {'/', 'L', '\243'},  {'/', 'l', '\263'},    /* slash */
1909     {'/', 'D', '\320'},  {'/', 'd', '\360'},
1910     {'(', 'A', '\303'},  {'(', 'a', '\343'},    /* breve */
1911     {'\275', 'O', '\325'}, {'\275', 'o', '\365'},       /* double acute */
1912     {'\275', 'U', '\334'}, {'\275', 'u', '\374'},
1913     {'0', 'U', '\332'},  {'0', 'u', '\372'},    /* ring above */
1914         /* iso-8859-3 uses this */
1915     {'/', 'H', '\241'},  {'/', 'h', '\261'},    /* slash */
1916     {'>', 'H', '\246'},  {'>', 'h', '\266'},    /* circumflex */
1917     {'>', 'J', '\254'},  {'>', 'j', '\274'},
1918     {'>', 'C', '\306'},  {'>', 'c', '\346'},
1919     {'>', 'G', '\330'},  {'>', 'g', '\370'},
1920     {'>', 'S', '\336'},  {'>', 's', '\376'},
1921 /*  collision whith G( from iso-8859-9 !!!   */
1922     {'(', 'G', '\253'},  {'(', 'g', '\273'},    /* breve */
1923     {'(', 'U', '\335'},  {'(', 'u', '\375'},
1924 /*  collision whith I. from iso-8859-3 !!!   */
1925     {'.', 'I', '\251'},  {'.', 'i', '\271'},    /* dot above */
1926     {'.', 'C', '\305'},  {'.', 'c', '\345'},
1927     {'.', 'G', '\325'},  {'.', 'g', '\365'},
1928         /* iso-8859-4 uses this */
1929     {',', 'R', '\243'},  {',', 'r', '\263'},    /* cedilla */
1930     {',', 'L', '\246'},  {',', 'l', '\266'},
1931     {',', 'G', '\253'},  {',', 'g', '\273'},
1932     {',', 'N', '\321'},  {',', 'n', '\361'},
1933     {',', 'K', '\323'},  {',', 'k', '\363'},
1934     {'~', 'I', '\245'},  {'~', 'i', '\265'},    /* tilde */
1935     {'-', 'E', '\252'},  {'-', 'e', '\272'},    /* macron */
1936     {'-', 'A', '\300'},  {'-', 'a', '\340'},
1937     {'-', 'I', '\317'},  {'-', 'i', '\357'},
1938     {'-', 'O', '\322'},  {'-', 'o', '\362'},
1939     {'-', 'U', '\336'},  {'-', 'u', '\376'},
1940     {'/', 'T', '\254'},  {'/', 't', '\274'},    /* slash */
1941     {'.', 'E', '\314'},  {'.', 'e', '\344'},    /* dot above */
1942     {';', 'I', '\307'},  {';', 'i', '\347'},    /* ogonek */
1943     {';', 'U', '\331'},  {';', 'u', '\371'},
1944         /* iso-8859-9 uses this */
1945         /* iso-8859-9 has really bad choosen G( S, and I. as they collide
1946          * whith the same letters on other iso-8859-x (that is they are on
1947          * different places :-( ), if you use turkish uncomment these and
1948          * comment out the lines in iso-8859-2 and iso-8859-3 sections
1949          * FIXME: should be dynamic according to chosen language
1950          *        if/when Wine has turkish support.
1951          */
1952 /*  collision whith G( from iso-8859-3 !!!   */
1953 /*  {'(', 'G', '\320'},  {'(', 'g', '\360'}, */ /* breve */
1954 /*  collision whith S, from iso-8859-2 !!! */
1955 /*  {',', 'S', '\336'},  {',', 's', '\376'}, */ /* cedilla */
1956 /*  collision whith I. from iso-8859-3 !!!   */
1957 /*  {'.', 'I', '\335'},  {'.', 'i', '\375'}, */ /* dot above */
1958 };
1959
1960
1961 /***********************************************************************
1962  *           MSG_DoTranslateMessage
1963  *
1964  * Implementation of TranslateMessage.
1965  *
1966  * TranslateMessage translates virtual-key messages into character-messages,
1967  * as follows :
1968  * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
1969  * ditto replacing WM_* with WM_SYS*
1970  * This produces WM_CHAR messages only for keys mapped to ASCII characters
1971  * by the keyboard driver.
1972  */
1973 static BOOL MSG_DoTranslateMessage( UINT message, HWND hwnd,
1974                                       WPARAM wParam, LPARAM lParam )
1975 {
1976     static int dead_char;
1977     BYTE wp[2];
1978
1979     if (message != WM_MOUSEMOVE && message != WM_TIMER)
1980         TRACE(msg, "(%s, %04X, %08lX)\n",
1981                      SPY_GetMsgName(message), wParam, lParam );
1982     if(message >= WM_KEYFIRST && message <= WM_KEYLAST)
1983         TRACE(key, "(%s, %04X, %08lX)\n",
1984                      SPY_GetMsgName(message), wParam, lParam );
1985
1986     if ((message != WM_KEYDOWN) && (message != WM_SYSKEYDOWN))  return FALSE;
1987
1988     TRACE(key, "Translating key %04X, scancode %04X\n",
1989                  wParam, HIWORD(lParam) );
1990
1991     /* FIXME : should handle ToAscii yielding 2 */
1992     switch (ToAscii(wParam, HIWORD(lParam),
1993                       QueueKeyStateTable,(LPWORD)wp, 0))
1994     {
1995     case 1 :
1996         message = (message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
1997         /* Should dead chars handling go in ToAscii ? */
1998         if (dead_char)
1999         {
2000             int i;
2001
2002             if (wp[0] == ' ') wp[0] =  dead_char;
2003             if (dead_char == 0xa2) dead_char = '(';
2004             else if (dead_char == 0xa8) dead_char = '"';
2005             else if (dead_char == 0xb2) dead_char = ';';
2006             else if (dead_char == 0xb4) dead_char = '\'';
2007             else if (dead_char == 0xb7) dead_char = '<';
2008             else if (dead_char == 0xb8) dead_char = ',';
2009             else if (dead_char == 0xff) dead_char = '.';
2010             for (i = 0; i < sizeof(accent_chars)/sizeof(accent_chars[0]); i++)
2011                 if ((accent_chars[i].ac_accent == dead_char) &&
2012                     (accent_chars[i].ac_char == wp[0]))
2013                 {
2014                     wp[0] = accent_chars[i].ac_result;
2015                     break;
2016                 }
2017             dead_char = 0;
2018         }
2019         TRACE(key, "1 -> PostMessage(%s)\n", SPY_GetMsgName(message));
2020         PostMessage16( hwnd, message, wp[0], lParam );
2021         return TRUE;
2022
2023     case -1 :
2024         message = (message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
2025         dead_char = wp[0];
2026         TRACE(key, "-1 -> PostMessage(%s)\n",
2027                      SPY_GetMsgName(message));
2028         PostMessage16( hwnd, message, wp[0], lParam );
2029         return TRUE;
2030     }
2031     return FALSE;
2032 }
2033
2034
2035 /***********************************************************************
2036  *           TranslateMessage16   (USER.113)
2037  */
2038 BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
2039 {
2040     return MSG_DoTranslateMessage( msg->message, msg->hwnd,
2041                                    msg->wParam, msg->lParam );
2042 }
2043
2044
2045 /***********************************************************************
2046  *           WIN16_TranslateMessage32   (USER.821)
2047  */
2048 BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
2049 {
2050     WPARAM wParam;
2051
2052     if (wHaveParamHigh)
2053         wParam = MAKELONG(msg->msg.wParam, msg->wParamHigh);
2054     else
2055         wParam = (WPARAM)msg->msg.wParam;
2056
2057     return MSG_DoTranslateMessage( msg->msg.message, msg->msg.hwnd,
2058                                    wParam, msg->msg.lParam );
2059 }
2060
2061 /***********************************************************************
2062  *           TranslateMessage32   (USER32.556)
2063  */
2064 BOOL WINAPI TranslateMessage( const MSG *msg )
2065 {
2066     return MSG_DoTranslateMessage( msg->message, msg->hwnd,
2067                                    msg->wParam, msg->lParam );
2068 }
2069
2070
2071 /***********************************************************************
2072  *           DispatchMessage16   (USER.114)
2073  */
2074 LONG WINAPI DispatchMessage16( const MSG16* msg )
2075 {
2076     WND * wndPtr;
2077     LONG retval;
2078     int painting;
2079
2080       /* Process timer messages */
2081     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2082     {
2083         if (msg->lParam)
2084         {
2085             return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
2086                                    msg->message, msg->wParam, GetTickCount() );
2087         }
2088     }
2089
2090     if (!msg->hwnd) return 0;
2091     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
2092     if (!wndPtr->winproc)
2093     {
2094         retval = 0;
2095         goto END;
2096     }
2097     painting = (msg->message == WM_PAINT);
2098     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
2099
2100     SPY_EnterMessage( SPY_DISPATCHMESSAGE16, msg->hwnd, msg->message,
2101                       msg->wParam, msg->lParam );
2102     retval = CallWindowProc16( (WNDPROC16)wndPtr->winproc,
2103                                msg->hwnd, msg->message,
2104                                msg->wParam, msg->lParam );
2105     SPY_ExitMessage( SPY_RESULT_OK16, msg->hwnd, msg->message, retval );
2106
2107     WIN_ReleaseWndPtr(wndPtr);
2108     wndPtr = WIN_FindWndPtr(msg->hwnd);
2109     if (painting && wndPtr &&
2110         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
2111     {
2112         ERR(msg, "BeginPaint not called on WM_PAINT for hwnd %04x!\n",
2113             msg->hwnd);
2114         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
2115         /* Validate the update region to avoid infinite WM_PAINT loop */
2116         ValidateRect( msg->hwnd, NULL );
2117     }
2118 END:
2119     WIN_ReleaseWndPtr(wndPtr);
2120     return retval;
2121 }
2122
2123
2124 /***********************************************************************
2125  *           WIN16_DispatchMessage32   (USER.822)
2126  */
2127 LONG WINAPI DispatchMessage32_16( const MSG32_16* lpmsg16_32, BOOL16 wHaveParamHigh )
2128 {
2129     if (wHaveParamHigh == FALSE)
2130         return DispatchMessage16(&(lpmsg16_32->msg));
2131     else
2132     {
2133         MSG msg;
2134
2135         msg.hwnd = lpmsg16_32->msg.hwnd;
2136         msg.message = lpmsg16_32->msg.message;
2137         msg.wParam = MAKELONG(lpmsg16_32->msg.wParam, lpmsg16_32->wParamHigh);
2138         msg.lParam = lpmsg16_32->msg.lParam;
2139         msg.time = lpmsg16_32->msg.time;
2140         msg.pt.x = (INT)lpmsg16_32->msg.pt.x;
2141         msg.pt.y = (INT)lpmsg16_32->msg.pt.y;
2142         return DispatchMessageA(&msg);
2143     }
2144 }
2145
2146 /***********************************************************************
2147  *           DispatchMessage32A   (USER32.141)
2148  */
2149 LONG WINAPI DispatchMessageA( const MSG* msg )
2150 {
2151     WND * wndPtr;
2152     LONG retval;
2153     int painting;
2154
2155       /* Process timer messages */
2156     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2157     {
2158         if (msg->lParam)
2159         {
2160 /*            HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2161             return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
2162                                    msg->message, msg->wParam, GetTickCount() );
2163         }
2164     }
2165
2166     if (!msg->hwnd) return 0;
2167     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
2168     if (!wndPtr->winproc)
2169     {
2170         retval = 0;
2171         goto END;
2172     }
2173     painting = (msg->message == WM_PAINT);
2174     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
2175 /*    HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2176
2177     SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2178                       msg->wParam, msg->lParam );
2179     retval = CallWindowProcA( (WNDPROC)wndPtr->winproc,
2180                                 msg->hwnd, msg->message,
2181                                 msg->wParam, msg->lParam );
2182     SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval );
2183
2184     WIN_ReleaseWndPtr(wndPtr);
2185     wndPtr = WIN_FindWndPtr(msg->hwnd);
2186
2187     if (painting && wndPtr &&
2188         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
2189     {
2190         ERR(msg, "BeginPaint not called on WM_PAINT for hwnd %04x!\n",
2191             msg->hwnd);
2192         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
2193         /* Validate the update region to avoid infinite WM_PAINT loop */
2194         ValidateRect( msg->hwnd, NULL );
2195     }
2196 END:
2197     WIN_ReleaseWndPtr(wndPtr);
2198     return retval;
2199 }
2200
2201
2202 /***********************************************************************
2203  *           DispatchMessage32W   (USER32.142)     Process Message
2204  *
2205  * Process the message specified in the structure *_msg_.
2206  *
2207  * If the lpMsg parameter points to a WM_TIMER message and the
2208  * parameter of the WM_TIMER message is not NULL, the lParam parameter
2209  * points to the function that is called instead of the window
2210  * procedure.
2211  *
2212  * The message must be valid.
2213  *
2214  * RETURNS
2215  *
2216  *   DispatchMessage() returns the result of the window procedure invoked.
2217  *
2218  * CONFORMANCE
2219  *
2220  *   ECMA-234, Win32
2221  *
2222  */
2223 LONG WINAPI DispatchMessageW( const MSG* msg )
2224 {
2225     WND * wndPtr;
2226     LONG retval;
2227     int painting;
2228
2229       /* Process timer messages */
2230     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2231     {
2232         if (msg->lParam)
2233         {
2234 /*            HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2235             return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
2236                                    msg->message, msg->wParam, GetTickCount() );
2237         }
2238     }
2239
2240     if (!msg->hwnd) return 0;
2241     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
2242     if (!wndPtr->winproc)
2243     {
2244         retval = 0;
2245         goto END;
2246     }
2247     painting = (msg->message == WM_PAINT);
2248     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
2249 /*    HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2250
2251     SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2252                       msg->wParam, msg->lParam );
2253     retval = CallWindowProcW( (WNDPROC)wndPtr->winproc,
2254                                 msg->hwnd, msg->message,
2255                                 msg->wParam, msg->lParam );
2256     SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval );
2257
2258     WIN_ReleaseWndPtr(wndPtr);
2259     wndPtr = WIN_FindWndPtr(msg->hwnd);
2260
2261     if (painting && wndPtr &&
2262         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
2263     {
2264         ERR(msg, "BeginPaint not called on WM_PAINT for hwnd %04x!\n",
2265             msg->hwnd);
2266         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
2267         /* Validate the update region to avoid infinite WM_PAINT loop */
2268         ValidateRect( msg->hwnd, NULL );
2269     }
2270 END:
2271     WIN_ReleaseWndPtr(wndPtr);
2272     return retval;
2273 }
2274
2275
2276 /***********************************************************************
2277  *           RegisterWindowMessage16   (USER.118)
2278  */
2279 WORD WINAPI RegisterWindowMessage16( SEGPTR str )
2280 {
2281     TRACE(msg, "%08lx\n", (DWORD)str );
2282     return GlobalAddAtom16( str );
2283 }
2284
2285
2286 /***********************************************************************
2287  *           RegisterWindowMessage32A   (USER32.437)
2288  */
2289 WORD WINAPI RegisterWindowMessageA( LPCSTR str )
2290 {
2291     TRACE(msg, "%s\n", str );
2292     return GlobalAddAtomA( str );
2293 }
2294
2295
2296 /***********************************************************************
2297  *           RegisterWindowMessage32W   (USER32.438)
2298  */
2299 WORD WINAPI RegisterWindowMessageW( LPCWSTR str )
2300 {
2301     TRACE(msg, "%p\n", str );
2302     return GlobalAddAtomW( str );
2303 }
2304
2305
2306 /***********************************************************************
2307  *           GetTickCount   (USER.13) (KERNEL32.299)  System Time
2308  * Returns the number of milliseconds, modulo 2^32, since the start
2309  * of the current session.
2310  *
2311  * CONFORMANCE
2312  *
2313  * ECMA-234, Win32
2314  */
2315 DWORD WINAPI GetTickCount(void)
2316 {
2317     struct timeval t;
2318     gettimeofday( &t, NULL );
2319     /* make extremely compatible: granularity is 25 msec */
2320     return ((t.tv_sec * 1000) + (t.tv_usec / 25000) * 25) - MSG_WineStartTicks;
2321 }
2322
2323
2324 /***********************************************************************
2325  *           GetCurrentTime16    (USER.15)
2326  *
2327  * (effectively identical to GetTickCount)
2328  */
2329 DWORD WINAPI GetCurrentTime16(void)
2330 {
2331     return GetTickCount();
2332 }
2333
2334
2335 /***********************************************************************
2336  *           InSendMessage16    (USER.192)
2337  */
2338 BOOL16 WINAPI InSendMessage16(void)
2339 {
2340     return InSendMessage();
2341 }
2342
2343
2344 /***********************************************************************
2345  *           InSendMessage32    (USER32.320)
2346  */
2347 BOOL WINAPI InSendMessage(void)
2348 {
2349     MESSAGEQUEUE *queue;
2350     BOOL ret;
2351
2352     if (!(queue = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
2353         return 0;
2354     ret = (BOOL)queue->smWaiting;
2355
2356     QUEUE_Unlock( queue );
2357     return ret;
2358 }
2359
2360 /***********************************************************************
2361  *           BroadcastSystemMessage    (USER32.12)
2362  */
2363 LONG WINAPI BroadcastSystemMessage(
2364         DWORD dwFlags,LPDWORD recipients,UINT uMessage,WPARAM wParam,
2365         LPARAM lParam
2366 ) {
2367         FIXME(sendmsg,"(%08lx,%08lx,%08x,%08x,%08lx): stub!\n",
2368               dwFlags,*recipients,uMessage,wParam,lParam
2369         );
2370         return 0;
2371 }
2372
2373 /***********************************************************************
2374  *           SendNotifyMessageA    (USER32.460)
2375  * FIXME
2376  *  The message sended with PostMessage has to be put in the queue
2377  *  with a higher priority as the other "Posted" messages.
2378  *  QUEUE_AddMsg has to be modifyed.
2379  */
2380 BOOL WINAPI SendNotifyMessageA(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
2381 {       BOOL ret = TRUE;
2382         FIXME(msg,"(%04x,%08x,%08x,%08lx) not complete\n",
2383               hwnd, msg, wParam, lParam);
2384
2385         if ( GetCurrentThreadId() == GetWindowThreadProcessId ( hwnd, NULL))
2386         {       ret=SendMessageA ( hwnd, msg, wParam, lParam );
2387         }
2388         else
2389         {       PostMessageA ( hwnd, msg, wParam, lParam );
2390         }
2391         return ret;
2392 }
2393
2394 /***********************************************************************
2395  *           SendNotifyMessageW    (USER32.461)
2396  * FIXME
2397  *  The message sended with PostMessage has to be put in the queue
2398  *  with a higher priority as the other "Posted" messages.
2399  *  QUEUE_AddMsg has to be modifyed.
2400  */
2401 BOOL WINAPI SendNotifyMessageW(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
2402 {       BOOL ret = TRUE;
2403         FIXME(msg,"(%04x,%08x,%08x,%08lx) not complete\n",
2404               hwnd, msg, wParam, lParam);
2405
2406         if ( GetCurrentThreadId() == GetWindowThreadProcessId ( hwnd, NULL))
2407         {       ret=SendMessageW ( hwnd, msg, wParam, lParam );
2408         }
2409         else
2410         {       PostMessageW ( hwnd, msg, wParam, lParam );
2411         }
2412         return ret;
2413 }
2414
2415 /***********************************************************************
2416  *           SendMessageCallBack32A
2417  * FIXME: It's like PostMessage. The callback gets called when the message
2418  * is processed. We have to modify the message processing for a exact
2419  * implementation...
2420  */
2421 BOOL WINAPI SendMessageCallBackA(
2422         HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam,
2423         FARPROC lpResultCallBack,DWORD dwData)
2424 {
2425         FIXME(msg,"(0x%04x,0x%04x,0x%08x,0x%08lx,%p,0x%08lx),stub!\n",
2426                 hWnd,Msg,wParam,lParam,lpResultCallBack,dwData);
2427         if ( hWnd == HWND_BROADCAST)
2428         {       PostMessageA( hWnd, Msg, wParam, lParam);
2429                 FIXME(msg,"Broadcast: Callback will not be called!\n");
2430                 return TRUE;
2431         }
2432         (lpResultCallBack)( hWnd, Msg, dwData, SendMessageA ( hWnd, Msg, wParam, lParam ));
2433                 return TRUE;
2434 }