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 "heap.h"
  18 #include "hook.h"
  19 #include "input.h"
  20 #include "spy.h"
  21 #include "winpos.h"
  22 #include "dde.h"
  23 #include "queue.h"
  24 #include "winproc.h"
  25 #include "task.h"
  26 #include "process.h"
  27 #include "thread.h"
  28 #include "options.h"
  29 #include "struct32.h"
  30 #include "debugtools.h"
  31
  32 DECLARE_DEBUG_CHANNEL(key)
  33 DECLARE_DEBUG_CHANNEL(msg)
  34 DECLARE_DEBUG_CHANNEL(sendmsg)
  35
  36 #define WM_NCMOUSEFIRST         WM_NCMOUSEMOVE
  37 #define WM_NCMOUSELAST          WM_NCMBUTTONDBLCLK
  38
  39
  40 typedef enum { SYSQ_MSG_ABANDON, SYSQ_MSG_SKIP,
  41                SYSQ_MSG_ACCEPT, SYSQ_MSG_CONTINUE } SYSQ_STATUS;
  42
  43 extern HQUEUE16 hCursorQueue;                    /* queue.c */
  44
  45 DWORD MSG_WineStartTicks; /* Ticks at Wine startup */
  46
  47 static UINT doubleClickSpeed = 452;
  48
  49 /***********************************************************************
  50  *           MSG_CheckFilter
  51  */
  52 static BOOL MSG_CheckFilter(DWORD uMsg, DWORD first, DWORD last)
  53 {
  54    if( first || last )
  55        return (uMsg >= first && uMsg <= last);
  56    return TRUE;
  57 }
  58
  59 /***********************************************************************
  60  *           MSG_SendParentNotify
  61  *
  62  * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
  63  * the window has the WS_EX_NOPARENTNOTIFY style.
  64  */
  65 static void MSG_SendParentNotify(WND* wndPtr, WORD event, WORD idChild, LPARAM lValue)
  66 {
  67 #define lppt ((LPPOINT16)&lValue)
  68
  69     /* pt has to be in the client coordinates of the parent window */
  70     WND *tmpWnd = WIN_LockWndPtr(wndPtr);
  71
  72     MapWindowPoints16( 0, tmpWnd->hwndSelf, lppt, 1 );
  73     while (tmpWnd)
  74     {
  75         if (!(tmpWnd->dwStyle & WS_CHILD) || (tmpWnd->dwExStyle & WS_EX_NOPARENTNOTIFY))
  76     {
  77             WIN_ReleaseWndPtr(tmpWnd);
  78             break;
  79         }
  80         lppt->x += tmpWnd->rectClient.left;
  81         lppt->y += tmpWnd->rectClient.top;
  82         WIN_UpdateWndPtr(&tmpWnd,tmpWnd->parent);
  83         SendMessageA( tmpWnd->hwndSelf, WM_PARENTNOTIFY,
  84                         MAKEWPARAM( event, idChild ), lValue );
  85     }
  86
  87 #undef lppt
  88 }
  89
  90
  91 /***********************************************************************
  92  *           MSG_TranslateMouseMsg
  93  *
  94  * Translate an mouse hardware event into a real mouse message.
  95  *
  96  * Returns:
  97  *
  98  *  SYSQ_MSG_ABANDON  - abandon the peek message loop
  99  *  SYSQ_MSG_CONTINUE - leave the message in the queue and
 100  *                      continue with the translation loop
 101  *  SYSQ_MSG_ACCEPT   - proceed to process the translated message
 102  */
 103 static DWORD MSG_TranslateMouseMsg( HWND hTopWnd, DWORD first, DWORD last,
 104                                     MSG *msg, BOOL remove, WND* pWndScope,
 105                                     INT16 *pHitTest, POINT16 *pScreen_pt, BOOL *pmouseClick )
 106 {
 107     static DWORD   dblclk_time_limit = 0;
 108     static UINT16     clk_message = 0;
 109     static HWND16     clk_hwnd = 0;
 110     static POINT16    clk_pos = { 0, 0 };
 111
 112     WND *pWnd;
 113     HWND hWnd;
 114     INT16 ht, hittest;
 115     UINT message = msg->message;
 116     POINT16 screen_pt, pt;
 117     HANDLE16 hQ = GetFastQueue16();
 118     MESSAGEQUEUE *queue = (MESSAGEQUEUE *)QUEUE_Lock(hQ);
 119     BOOL mouseClick = ((message == WM_LBUTTONDOWN) ||
 120                          (message == WM_RBUTTONDOWN) ||
 121                          (message == WM_MBUTTONDOWN))?1:0;
 122     DWORD retvalue;
 123
 124     /* Find the window to dispatch this mouse message to */
 125
 126     CONV_POINT32TO16( &msg->pt, &pt );
 127
 128     hWnd = GetCapture();
 129
 130     /* If no capture HWND, find window which contains the mouse position.
 131      * Also find the position of the cursor hot spot (hittest) */
 132     if( !hWnd )
 133     {
 134         ht = hittest = WINPOS_WindowFromPoint( pWndScope, pt, &pWnd );
 135         if( !pWnd ) pWnd = WIN_GetDesktop();
 136         else WIN_LockWndPtr(pWnd);
 137         hWnd = pWnd->hwndSelf;
 138     }
 139     else
 140     {
 141         ht = hittest = HTCLIENT;
 142         pWnd = WIN_FindWndPtr(hWnd);
 143         if (queue)
 144             ht = PERQDATA_GetCaptureInfo( queue->pQData );
 145     }
 146
 147     /* Save hittest for return */
 148     *pHitTest = hittest;
 149
 150         /* stop if not the right queue */
 151
 152     if (pWnd->hmemTaskQ != hQ)
 153     {
 154         /* Not for the current task */
 155         if (queue) QUEUE_ClearWakeBit( queue, QS_MOUSE );
 156         /* Wake up the other task */
 157         QUEUE_Unlock( queue );
 158         queue = (MESSAGEQUEUE *)QUEUE_Lock( pWnd->hmemTaskQ );
 159         if (queue) QUEUE_SetWakeBit( queue, QS_MOUSE );
 160
 161         QUEUE_Unlock( queue );
 162         retvalue = SYSQ_MSG_ABANDON;
 163         goto END;
 164     }
 165
 166         /* check if hWnd is within hWndScope */
 167
 168     if( hTopWnd && hWnd != hTopWnd )
 169         if( !IsChild(hTopWnd, hWnd) )
 170         {
 171             QUEUE_Unlock( queue );
 172             retvalue = SYSQ_MSG_CONTINUE;
 173             goto END;
 174         }
 175
 176     /* Was it a mouse click message */
 177     if( mouseClick )
 178     {
 179         /* translate double clicks -
 180          * note that ...MOUSEMOVEs can slip in between
 181          * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
 182
 183         if(GetClassLongA(hWnd, GCL_STYLE) & CS_DBLCLKS || ht != HTCLIENT )
 184         {
 185            if ((message == clk_message) && (hWnd == clk_hwnd) &&
 186                (msg->time - dblclk_time_limit < doubleClickSpeed) &&
 187                (abs(msg->pt.x - clk_pos.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
 188                (abs(msg->pt.y - clk_pos.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
 189            {
 190               message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
 191               mouseClick++;   /* == 2 */
 192            }
 193         }
 194     }
 195     /* save mouse position */
 196     screen_pt = pt;
 197     *pScreen_pt = pt;
 198
 199     if (hittest != HTCLIENT)
 200     {
 201         message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
 202         msg->wParam = hittest;
 203     }
 204     else
 205         ScreenToClient16( hWnd, &pt );
 206
 207         /* check message filter */
 208
 209     if (!MSG_CheckFilter(message, first, last))
 210     {
 211         QUEUE_Unlock(queue);
 212         retvalue = SYSQ_MSG_CONTINUE;
 213         goto END;
 214     }
 215
 216     /* Update global hCursorQueue */
 217     hCursorQueue = queue->self;
 218
 219     /* Update static double click conditions */
 220     if( remove && mouseClick )
 221     {
 222         if( mouseClick == 1 )
 223         {
 224             /* set conditions */
 225             dblclk_time_limit = msg->time;
 226                clk_message = msg->message;
 227                clk_hwnd = hWnd;
 228                clk_pos = screen_pt;
 229         } else
 230             /* got double click - zero them out */
 231             dblclk_time_limit = clk_hwnd = 0;
 232     }
 233
 234     QUEUE_Unlock(queue);
 235
 236     /* Update message params */
 237     msg->hwnd    = hWnd;
 238     msg->message = message;
 239     msg->lParam  = MAKELONG( pt.x, pt.y );
 240     retvalue = SYSQ_MSG_ACCEPT;
 241
 242 END:
 243     WIN_ReleaseWndPtr(pWnd);
 244
 245     /* Return mouseclick flag */
 246     *pmouseClick = mouseClick;
 247
 248     return retvalue;
 249 }
 250
 251
 252 /***********************************************************************
 253  *           MSG_ProcessMouseMsg
 254  *
 255  * Processes a translated mouse hardware event.
 256  * The passed in msg structure should contain the updated hWnd,
 257  * lParam, wParam and message fields from MSG_TranslateMouseMsg.
 258  *
 259  * Returns:
 260  *
 261  *  SYSQ_MSG_SKIP     - Message should be skipped entirely (in this case
 262  *                      HIWORD contains hit test code). Continue translating..
 263  *  SYSQ_MSG_ACCEPT   - the translated message must be passed to the user
 264  *                      MSG_PeekHardwareMsg should return TRUE.
 265  */
 266 static DWORD MSG_ProcessMouseMsg( MSG *msg, BOOL remove, INT16 hittest,
 267                                   POINT16 screen_pt, BOOL mouseClick )
 268 {
 269     WND *pWnd;
 270     HWND hWnd = msg->hwnd;
 271     INT16 sendSC = (GetCapture() == 0);
 272     UINT message = msg->message;
 273     BOOL eatMsg = FALSE;
 274     DWORD retvalue;
 275
 276     pWnd = WIN_FindWndPtr(hWnd);
 277
 278         /* call WH_MOUSE */
 279
 280     if (HOOK_IsHooked( WH_MOUSE ))
 281     {
 282         SYSQ_STATUS ret = 0;
 283         MOUSEHOOKSTRUCT16 *hook = SEGPTR_NEW(MOUSEHOOKSTRUCT16);
 284         if( hook )
 285         {
 286             hook->pt           = screen_pt;
 287             hook->hwnd         = hWnd;
 288             hook->wHitTestCode = hittest;
 289             hook->dwExtraInfo  = 0;
 290             ret = HOOK_CallHooks16( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
 291                                     message, (LPARAM)SEGPTR_GET(hook) );
 292             SEGPTR_FREE(hook);
 293         }
 294         if( ret )
 295         {
 296             retvalue = MAKELONG((INT16)SYSQ_MSG_SKIP, hittest);
 297             goto END;
 298     }
 299     }
 300
 301
 302     if ((hittest == HTERROR) || (hittest == HTNOWHERE))
 303         eatMsg = sendSC = 1;
 304     else if( remove && mouseClick )
 305     {
 306         HWND hwndTop = WIN_GetTopParent( hWnd );
 307
 308         if( sendSC )
 309         {
 310             /* Send the WM_PARENTNOTIFY,
 311              * note that even for double/nonclient clicks
 312              * notification message is still WM_L/M/RBUTTONDOWN.
 313              */
 314
 315             MSG_SendParentNotify( pWnd, msg->message & 0xffff, 0, MAKELPARAM(screen_pt.x, screen_pt.y) );
 316
 317             /* Activate the window if needed */
 318
 319             if (hWnd != GetActiveWindow() && hWnd != GetDesktopWindow())
 320             {
 321                 LONG ret = SendMessageA( hWnd, WM_MOUSEACTIVATE, hwndTop,
 322                                           MAKELONG( hittest, message ) );
 323
 324                 if ((ret == MA_ACTIVATEANDEAT) || (ret == MA_NOACTIVATEANDEAT))
 325                          eatMsg = TRUE;
 326
 327                 if (((ret == MA_ACTIVATE) || (ret == MA_ACTIVATEANDEAT))
 328                         && hwndTop != GetForegroundWindow() )
 329                 {
 330                       if (!WINPOS_SetActiveWindow( hwndTop, TRUE , TRUE ))
 331                          eatMsg = TRUE;
 332                 }
 333             }
 334         }
 335     } else sendSC = (remove && sendSC);
 336
 337      /* Send the WM_SETCURSOR message */
 338
 339     if (sendSC)
 340     {
 341         UINT uSCMessage = message;
 342
 343         /* Windows sends the normal mouse message as the message parameter
 344            in the WM_SETCURSOR message even if it's non-client mouse message */
 345
 346         if (uSCMessage >= WM_NCMOUSEFIRST && uSCMessage <= WM_NCMOUSELAST)
 347                 uSCMessage += WM_MOUSEFIRST - WM_NCMOUSEFIRST;
 348         SendMessageA( hWnd, WM_SETCURSOR, hWnd,
 349                        MAKELONG( hittest, uSCMessage));
 350     }
 351     if (eatMsg)
 352     {
 353         retvalue = MAKELONG( (UINT16)SYSQ_MSG_SKIP, hittest);
 354         goto END;
 355     }
 356
 357     retvalue = SYSQ_MSG_ACCEPT;
 358 END:
 359     WIN_ReleaseWndPtr(pWnd);
 360
 361     return retvalue;
 362 }
 363
 364
 365 /***********************************************************************
 366  *           MSG_TranslateKbdMsg
 367  *
 368  * Translate an keyboard hardware event into a real message.
 369  */
 370 static DWORD MSG_TranslateKbdMsg( HWND hTopWnd, DWORD first, DWORD last,
 371                                   MSG *msg, BOOL remove )
 372 {
 373     WORD message = msg->message;
 374     HWND hWnd = GetFocus();
 375     WND *pWnd;
 376
 377       /* Should check Ctrl-Esc and PrintScreen here */
 378
 379     if (!hWnd)
 380     {
 381           /* Send the message to the active window instead,  */
 382           /* translating messages to their WM_SYS equivalent */
 383
 384         hWnd = GetActiveWindow();
 385
 386         if( message < WM_SYSKEYDOWN )
 387             message += WM_SYSKEYDOWN - WM_KEYDOWN;
 388     }
 389     pWnd = WIN_FindWndPtr( hWnd );
 390     if (pWnd && (pWnd->hmemTaskQ != GetFastQueue16()))
 391     {
 392         /* Not for the current task */
 393         MESSAGEQUEUE *queue = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() );
 394         if (queue) QUEUE_ClearWakeBit( queue, QS_KEY );
 395         QUEUE_Unlock( queue );
 396
 397         /* Wake up the other task */
 398         queue = (MESSAGEQUEUE *)QUEUE_Lock( pWnd->hmemTaskQ );
 399         if (queue) QUEUE_SetWakeBit( queue, QS_KEY );
 400         QUEUE_Unlock( queue );
 401         WIN_ReleaseWndPtr(pWnd);
 402         return SYSQ_MSG_ABANDON;
 403     }
 404     WIN_ReleaseWndPtr(pWnd);
 405
 406     if (hTopWnd && hWnd != hTopWnd)
 407         if (!IsChild(hTopWnd, hWnd)) return SYSQ_MSG_CONTINUE;
 408     if (!MSG_CheckFilter(message, first, last)) return SYSQ_MSG_CONTINUE;
 409
 410     msg->hwnd = hWnd;
 411     msg->message = message;
 412
 413     return SYSQ_MSG_ACCEPT;
 414 }
 415
 416
 417 /***********************************************************************
 418  *           MSG_ProcessKbdMsg
 419  *
 420  *  Processes a translated keyboard message
 421  */
 422 static DWORD MSG_ProcessKbdMsg( MSG *msg, BOOL remove )
 423 {
 424     return (HOOK_CallHooks16( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
 425                               LOWORD (msg->wParam), msg->lParam )
 426             ? SYSQ_MSG_SKIP : SYSQ_MSG_ACCEPT);
 427 }
 428
 429
 430 /***********************************************************************
 431  *           MSG_JournalRecordMsg
 432  *
 433  * Build an EVENTMSG structure and call JOURNALRECORD hook
 434  */
 435 static void MSG_JournalRecordMsg( MSG *msg )
 436 {
 437     EVENTMSG *event = (EVENTMSG *) HeapAlloc(SystemHeap, 0, sizeof(EVENTMSG));
 438     if (!event) return;
 439     event->message = msg->message;
 440     event->time = msg->time;
 441     if ((msg->message >= WM_KEYFIRST) && (msg->message <= WM_KEYLAST))
 442     {
 443         event->paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
 444         event->paramH = msg->lParam & 0x7FFF;
 445         if (HIWORD(msg->lParam) & 0x0100)
 446             event->paramH |= 0x8000;               /* special_key - bit */
 447         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event );
 448     }
 449     else if ((msg->message >= WM_MOUSEFIRST) && (msg->message <= WM_MOUSELAST))
 450     {
 451         event->paramL = LOWORD(msg->lParam);       /* X pos */
 452         event->paramH = HIWORD(msg->lParam);       /* Y pos */
 453         ClientToScreen16( msg->hwnd, (LPPOINT16)&event->paramL );
 454         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event );
 455     }
 456     else if ((msg->message >= WM_NCMOUSEFIRST) &&
 457              (msg->message <= WM_NCMOUSELAST))
 458     {
 459         event->paramL = LOWORD(msg->lParam);       /* X pos */
 460         event->paramH = HIWORD(msg->lParam);       /* Y pos */
 461         event->message += WM_MOUSEMOVE-WM_NCMOUSEMOVE;/* give no info about NC area */
 462         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event );
 463     }
 464
 465     HeapFree(SystemHeap, 0, event);
 466 }
 467
 468 /***********************************************************************
 469  *          MSG_JournalPlayBackMsg
 470  *
 471  * Get an EVENTMSG struct via call JOURNALPLAYBACK hook function
 472  */
 473 static int MSG_JournalPlayBackMsg(void)
 474 {
 475  EVENTMSG *tmpMsg;
 476  long wtime,lParam,wParam;
 477  WORD keyDown,i,result=0;
 478
 479  if ( HOOK_IsHooked( WH_JOURNALPLAYBACK ) )
 480  {
 481   tmpMsg = (EVENTMSG *) HeapAlloc(SystemHeap, 0, sizeof(EVENTMSG));
 482   if (!tmpMsg) return result;
 483
 484   wtime=HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_GETNEXT, 0,
 485                            (LPARAM) tmpMsg );
 486   /*  TRACE(msg,"Playback wait time =%ld\n",wtime); */
 487   if (wtime<=0)
 488   {
 489    wtime=0;
 490    if ((tmpMsg->message>= WM_KEYFIRST) && (tmpMsg->message <= WM_KEYLAST))
 491    {
 492      wParam=tmpMsg->paramL & 0xFF;
 493      lParam=MAKELONG(tmpMsg->paramH&0x7ffff,tmpMsg->paramL>>8);
 494      if (tmpMsg->message == WM_KEYDOWN || tmpMsg->message == WM_SYSKEYDOWN)
 495      {
 496        for (keyDown=i=0; i<256 && !keyDown; i++)
 497           if (InputKeyStateTable[i] & 0x80)
 498             keyDown++;
 499        if (!keyDown)
 500          lParam |= 0x40000000;
 501        AsyncKeyStateTable[wParam]=InputKeyStateTable[wParam] |= 0x80;
 502      }
 503      else                                       /* WM_KEYUP, WM_SYSKEYUP */
 504      {
 505        lParam |= 0xC0000000;
 506        AsyncKeyStateTable[wParam]=InputKeyStateTable[wParam] &= ~0x80;
 507      }
 508      if (InputKeyStateTable[VK_MENU] & 0x80)
 509        lParam |= 0x20000000;
 510      if (tmpMsg->paramH & 0x8000)              /*special_key bit*/
 511        lParam |= 0x01000000;
 512      hardware_event( tmpMsg->message & 0xffff, LOWORD(wParam), lParam,
 513                      0, 0, tmpMsg->time, 0 );
 514    }
 515    else
 516    {
 517     if ((tmpMsg->message>= WM_MOUSEFIRST) && (tmpMsg->message <= WM_MOUSELAST))
 518     {
 519      switch (tmpMsg->message)
 520      {
 521       case WM_LBUTTONDOWN:
 522           MouseButtonsStates[0]=AsyncMouseButtonsStates[0]=TRUE;break;
 523       case WM_LBUTTONUP:
 524           MouseButtonsStates[0]=AsyncMouseButtonsStates[0]=FALSE;break;
 525       case WM_MBUTTONDOWN:
 526           MouseButtonsStates[1]=AsyncMouseButtonsStates[1]=TRUE;break;
 527       case WM_MBUTTONUP:
 528           MouseButtonsStates[1]=AsyncMouseButtonsStates[1]=FALSE;break;
 529       case WM_RBUTTONDOWN:
 530           MouseButtonsStates[2]=AsyncMouseButtonsStates[2]=TRUE;break;
 531       case WM_RBUTTONUP:
 532           MouseButtonsStates[2]=AsyncMouseButtonsStates[2]=FALSE;break;
 533      }
 534      AsyncKeyStateTable[VK_LBUTTON]= InputKeyStateTable[VK_LBUTTON] = MouseButtonsStates[0] ? 0x80 : 0;
 535      AsyncKeyStateTable[VK_MBUTTON]= InputKeyStateTable[VK_MBUTTON] = MouseButtonsStates[1] ? 0x80 : 0;
 536      AsyncKeyStateTable[VK_RBUTTON]= InputKeyStateTable[VK_RBUTTON] = MouseButtonsStates[2] ? 0x80 : 0;
 537      SetCursorPos(tmpMsg->paramL,tmpMsg->paramH);
 538      lParam=MAKELONG(tmpMsg->paramL,tmpMsg->paramH);
 539      wParam=0;
 540      if (MouseButtonsStates[0]) wParam |= MK_LBUTTON;
 541      if (MouseButtonsStates[1]) wParam |= MK_MBUTTON;
 542      if (MouseButtonsStates[2]) wParam |= MK_RBUTTON;
 543      hardware_event( tmpMsg->message & 0xffff, LOWORD (wParam), lParam,
 544                      tmpMsg->paramL, tmpMsg->paramH, tmpMsg->time, 0 );
 545     }
 546    }
 547    HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_SKIP, 0,
 548                       (LPARAM) tmpMsg);
 549   }
 550   else
 551   {
 552
 553     if( tmpMsg->message == WM_QUEUESYNC )
 554         if (HOOK_IsHooked( WH_CBT ))
 555             HOOK_CallHooksA( WH_CBT, HCBT_QS, 0, 0L);
 556
 557     result= QS_MOUSE | QS_KEY; /* ? */
 558   }
 559   HeapFree(SystemHeap, 0, tmpMsg);
 560  }
 561  return result;
 562 }
 563
 564 /***********************************************************************
 565  *           MSG_PeekHardwareMsg
 566  *
 567  * Peek for a hardware message matching the hwnd and message filters.
 568  */
 569 static BOOL MSG_PeekHardwareMsg( MSG *msg, HWND hwnd, DWORD first, DWORD last,
 570                                    BOOL remove )
 571 {
 572     /* FIXME: should deal with MSG32 instead of MSG16 */
 573
 574     DWORD status = SYSQ_MSG_ACCEPT;
 575     MESSAGEQUEUE *sysMsgQueue = QUEUE_GetSysQueue();
 576     enum { MOUSE_MSG = 0, KEYBOARD_MSG, HARDWARE_MSG } msgType;
 577     QMSG *nextqmsg, *qmsg = 0;
 578     BOOL bRet = FALSE;
 579
 580     /* FIXME: there has to be a better way to do this */
 581     joySendMessages();
 582
 583     EnterCriticalSection(&sysMsgQueue->cSection);
 584
 585     /* Loop through the Q and translate the message we wish to process
 586      * while we own the lock. Based on the translation status (abandon/cont/accept)
 587      * we then process the message accordingly
 588      */
 589
 590     for ( qmsg = sysMsgQueue->firstMsg; qmsg; qmsg = nextqmsg )
 591     {
 592         INT16 hittest;
 593         POINT16 screen_pt;
 594         BOOL mouseClick;
 595
 596         *msg = qmsg->msg;
 597
 598         nextqmsg = qmsg->nextMsg;
 599
 600           /* Translate message */
 601
 602         if ((msg->message >= WM_MOUSEFIRST) && (msg->message <= WM_MOUSELAST))
 603         {
 604             HWND hWndScope = (HWND)qmsg->extraInfo;
 605             WND *tmpWnd = (Options.managed && IsWindow(hWndScope) )
 606                            ? WIN_FindWndPtr(hWndScope) : WIN_GetDesktop();
 607
 608             status = MSG_TranslateMouseMsg(hwnd, first, last, msg, remove, tmpWnd,
 609                                            &hittest, &screen_pt, &mouseClick );
 610             msgType = MOUSE_MSG;
 611
 612             WIN_ReleaseWndPtr(tmpWnd);
 613
 614         }
 615         else if ((msg->message >= WM_KEYFIRST) && (msg->message <= WM_KEYLAST))
 616         {
 617             status = MSG_TranslateKbdMsg(hwnd, first, last, msg, remove);
 618             msgType = KEYBOARD_MSG;
 619         }
 620         else /* Non-standard hardware event */
 621         {
 622             HARDWAREHOOKSTRUCT16 *hook;
 623             msgType = HARDWARE_MSG;
 624             if ((hook = SEGPTR_NEW(HARDWAREHOOKSTRUCT16)))
 625             {
 626                 BOOL ret;
 627                 hook->hWnd     = msg->hwnd;
 628                 hook->wMessage = msg->message & 0xffff;
 629                 hook->wParam   = LOWORD (msg->wParam);
 630                 hook->lParam   = msg->lParam;
 631                 ret = HOOK_CallHooks16( WH_HARDWARE,
 632                                         remove ? HC_ACTION : HC_NOREMOVE,
 633                                         0, (LPARAM)SEGPTR_GET(hook) );
 634                 SEGPTR_FREE(hook);
 635                 if (ret)
 636                 {
 637                     QUEUE_RemoveMsg( sysMsgQueue, qmsg );
 638                     continue;
 639                 }
 640                 status = SYSQ_MSG_ACCEPT;
 641             }
 642         }
 643
 644
 645         switch (LOWORD(status))
 646         {
 647            case SYSQ_MSG_ACCEPT:
 648            {
 649                /* Remove the message from the system msg Q while it is still locked,
 650                 * before accepting it */
 651                if (remove)
 652                {
 653                    if (HOOK_IsHooked( WH_JOURNALRECORD )) MSG_JournalRecordMsg( msg );
 654                    QUEUE_RemoveMsg( sysMsgQueue, qmsg );
 655                }
 656                /* Now actually process the message, after we unlock the system msg Q.
 657                 * We should not hold on to the crst since SendMessage calls during processing
 658                 * will potentially cause callbacks to PeekMessage from the application.
 659                 * If we're holding the crst and QUEUE_WaitBits is called with a
 660                 * QS_SENDMESSAGE mask we will deadlock in hardware_event() when a
 661                 * message is being posted to the Q.
 662                 */
 663                LeaveCriticalSection(&sysMsgQueue->cSection);
 664                if( msgType == KEYBOARD_MSG )
 665                    status = MSG_ProcessKbdMsg( msg, remove );
 666                else if ( msgType == MOUSE_MSG )
 667                    status = MSG_ProcessMouseMsg( msg, remove, hittest, screen_pt, mouseClick );
 668
 669                /* Reclaim the sys msg Q crst */
 670                EnterCriticalSection(&sysMsgQueue->cSection);
 671
 672                /* Pass the translated message to the user if it was accepted */
 673                if (status == SYSQ_MSG_ACCEPT)
 674                 break;
 675
 676                /* If not accepted, fall through into the SYSQ_MSG_SKIP case */
 677            }
 678
 679            case SYSQ_MSG_SKIP:
 680                 if (HOOK_IsHooked( WH_CBT ))
 681                 {
 682                    if( msgType == KEYBOARD_MSG )
 683                        HOOK_CallHooks16( WH_CBT, HCBT_KEYSKIPPED,
 684                                          LOWORD (msg->wParam), msg->lParam );
 685                    else if ( msgType == MOUSE_MSG )
 686                    {
 687                        MOUSEHOOKSTRUCT16 *hook = SEGPTR_NEW(MOUSEHOOKSTRUCT16);
 688                        if (hook)
 689                        {
 690                            CONV_POINT32TO16( &msg->pt,&hook->pt );
 691                            hook->hwnd         = msg->hwnd;
 692                            hook->wHitTestCode = HIWORD(status);
 693                            hook->dwExtraInfo  = 0;
 694                            HOOK_CallHooks16( WH_CBT, HCBT_CLICKSKIPPED ,msg->message & 0xffff,
 695                                           (LPARAM)SEGPTR_GET(hook) );
 696                            SEGPTR_FREE(hook);
 697                        }
 698                    }
 699                 }
 700
 701                 /* If the message was removed earlier set up nextqmsg so that we start
 702                  * at the top of the queue again.  We need to do this since our next pointer
 703                  * could be invalid due to us unlocking the system message Q to process the message.
 704                  * If not removed just refresh nextqmsg to point to the next msg.
 705                  */
 706                 if (remove)
 707                     nextqmsg = sysMsgQueue->firstMsg;
 708                 else
 709                     nextqmsg = qmsg->nextMsg;
 710
 711                 continue;
 712
 713            case SYSQ_MSG_CONTINUE:
 714                 continue;
 715
 716            case SYSQ_MSG_ABANDON:
 717                bRet = FALSE;
 718                goto END;
 719         }
 720
 721         bRet = TRUE;
 722         goto END;
 723     }
 724
 725 END:
 726     LeaveCriticalSection(&sysMsgQueue->cSection);
 727     return bRet;
 728 }
 729
 730
 731 /**********************************************************************
 732  *           SetDoubleClickTime16   (USER.20)
 733  */
 734 void WINAPI SetDoubleClickTime16( UINT16 interval )
 735 {
 736     SetDoubleClickTime( interval );
 737 }
 738
 739
 740 /**********************************************************************
 741  *           SetDoubleClickTime32   (USER32.480)
 742  */
 743 BOOL WINAPI SetDoubleClickTime( UINT interval )
 744 {
 745     doubleClickSpeed = interval ? interval : 500;
 746     return TRUE;
 747 }
 748
 749
 750 /**********************************************************************
 751  *           GetDoubleClickTime16   (USER.21)
 752  */
 753 UINT16 WINAPI GetDoubleClickTime16(void)
 754 {
 755     return doubleClickSpeed;
 756 }
 757
 758
 759 /**********************************************************************
 760  *           GetDoubleClickTime32   (USER32.239)
 761  */
 762 UINT WINAPI GetDoubleClickTime(void)
 763 {
 764     return doubleClickSpeed;
 765 }
 766
 767
 768 /***********************************************************************
 769  *           MSG_SendMessageInterThread
 770  *
 771  * Implementation of an inter-task SendMessage.
 772  * Return values:
 773  *    0 if error or timeout
 774  *    1 if successflul
 775  */
 776 static LRESULT MSG_SendMessageInterThread( HQUEUE16 hDestQueue,
 777                                            HWND hwnd, UINT msg,
 778                                            WPARAM wParam, LPARAM lParam,
 779                                            DWORD timeout, WORD flags,
 780                                            LRESULT *pRes)
 781 {
 782     MESSAGEQUEUE *queue, *destQ;
 783     SMSG         *smsg;
 784     LRESULT      retVal = 1;
 785     int          iWndsLocks;
 786
 787     *pRes = 0;
 788
 789     if (IsTaskLocked16() || !IsWindow(hwnd))
 790         return 0;
 791
 792     /* create a SMSG structure to hold SendMessage() parameters */
 793     if (! (smsg = (SMSG *) HeapAlloc( SystemHeap, 0, sizeof(SMSG) )) )
 794         return 0;
 795     if (!(queue = (MESSAGEQUEUE*)QUEUE_Lock( GetFastQueue16() ))) return 0;
 796
 797     if (!(destQ = (MESSAGEQUEUE*)QUEUE_Lock( hDestQueue )))
 798     {
 799         QUEUE_Unlock( queue );
 800         return 0;
 801     }
 802
 803     TRACE_(sendmsg)("SM: %s [%04x] (%04x -> %04x)\n",
 804                     SPY_GetMsgName(msg), msg, queue->self, hDestQueue );
 805
 806     /* fill up SMSG structure */
 807     smsg->hWnd = hwnd;
 808     smsg->msg = msg;
 809     smsg->wParam = wParam;
 810     smsg->lParam = lParam;
 811
 812     smsg->lResult = 0;
 813     smsg->hSrcQueue = GetFastQueue16();
 814     smsg->hDstQueue = hDestQueue;
 815     smsg->flags = flags;
 816
 817     /* add smsg struct in the processing SM list of the source queue */
 818     QUEUE_AddSMSG(queue, SM_PROCESSING_LIST, smsg);
 819
 820     /* add smsg struct in the pending list of the destination queue */
 821     if (QUEUE_AddSMSG(destQ, SM_PENDING_LIST, smsg) == FALSE)
 822         return 0;
 823
 824     iWndsLocks = WIN_SuspendWndsLock();
 825
 826     /* force destination task to run next, if 16 bit threads */
 827     if ( THREAD_IsWin16(NtCurrentTeb()) && THREAD_IsWin16(destQ->teb) )
 828         DirectedYield16( destQ->teb->htask16 );
 829
 830     /* wait for the result, note that 16-bit apps almost always get out of
 831      * DirectedYield() with SMSG_HAVE_RESULT flag already set */
 832
 833     while ( TRUE )
 834     {
 835         /*
 836          * The sequence is crucial to avoid deadlock situations:
 837          * - first, we clear the QS_SMRESULT bit
 838          * - then, we check the SMSG_HAVE_RESULT bit
 839          * - only if this isn't set, we enter the wait state.
 840          *
 841          * As the receiver first sets the SMSG_HAVE_RESULT and then wakes us,
 842          * we are guaranteed that -should we now clear the QS_SMRESULT that
 843          * was signalled already by the receiver- we will not start waiting.
 844          */
 845
 846         if ( smsg->flags & SMSG_HAVE_RESULT )
 847         {
 848 got:
 849              *pRes = smsg->lResult;
 850              TRACE_(sendmsg)("smResult = %08x\n", (unsigned)*pRes );
 851              break;
 852         }
 853
 854         QUEUE_ClearWakeBit( queue, QS_SMRESULT );
 855
 856         if ( smsg->flags & SMSG_HAVE_RESULT )
 857              goto got;
 858
 859         if(  QUEUE_WaitBits( QS_SMRESULT, timeout ) == 0 )
 860         {
 861              /* return with timeout */
 862              SetLastError( 0 );
 863              retVal = 0;
 864              break;
 865         }
 866     }
 867     WIN_RestoreWndsLock(iWndsLocks);
 868
 869     /* remove the smsg from the processingg list of the source queue */
 870     QUEUE_RemoveSMSG( queue, SM_PROCESSING_LIST, smsg );
 871
 872     /* Note: the destination thread is in charge of removing the smsg from
 873        the pending list */
 874
 875     /* In the case of an early reply (or a timeout), sender thread will
 876        released the smsg structure if the receiver thread is done
 877        (SMSG_RECEIVED set). If the receiver thread isn't done,
 878        SMSG_RECEIVER_CLEANS_UP flag is set, and it will be the receiver
 879        responsability to released smsg */
 880         EnterCriticalSection( &queue->cSection );
 881
 882         if (smsg->flags & SMSG_RECEIVED)
 883             HeapFree(SystemHeap, 0, smsg);
 884         else
 885             smsg->flags |= SMSG_RECEIVER_CLEANS;
 886
 887         LeaveCriticalSection( &queue->cSection );
 888
 889
 890     QUEUE_Unlock( queue );
 891     QUEUE_Unlock( destQ );
 892
 893     TRACE_(sendmsg)("done!\n");
 894     return retVal;
 895 }
 896
 897
 898 /***********************************************************************
 899  *           ReplyMessage16   (USER.115)
 900  */
 901 void WINAPI ReplyMessage16( LRESULT result )
 902 {
 903     ReplyMessage( result );
 904 }
 905
 906 /***********************************************************************
 907  *           ReplyMessage   (USER.115)
 908  */
 909 BOOL WINAPI ReplyMessage( LRESULT result )
 910 {
 911     MESSAGEQUEUE *senderQ = 0;
 912     MESSAGEQUEUE *queue = 0;
 913     SMSG         *smsg;
 914     BOOL       ret = FALSE;
 915
 916     if (!(queue = (MESSAGEQUEUE*)QUEUE_Lock( GetFastQueue16() )))
 917         return FALSE;
 918
 919     TRACE_(sendmsg)("ReplyMessage, queue %04x\n", queue->self);
 920
 921
 922     if (    !(smsg = queue->smWaiting)
 923          || !(senderQ = QUEUE_Lock( smsg->hSrcQueue )) )
 924         goto ReplyMessageEnd;
 925
 926     if ( !(smsg->flags & SMSG_ALREADY_REPLIED) )
 927     {
 928         /* This is the first reply, so pass result to sender */
 929
 930         TRACE_(sendmsg)("\trpm: smResult = %08lx\n", (long) result );
 931
 932         EnterCriticalSection(&senderQ->cSection);
 933
 934         smsg->lResult = result;
 935         smsg->flags |= SMSG_ALREADY_REPLIED;
 936
 937         /* check if it's an early reply (called by the application) or
 938            a regular reply (called by ReceiveMessage) */
 939         if ( !(smsg->flags & SMSG_SENDING_REPLY) )
 940             smsg->flags |= SMSG_EARLY_REPLY;
 941
 942         smsg->flags |= SMSG_HAVE_RESULT;
 943
 944         LeaveCriticalSection(&senderQ->cSection);
 945
 946         /* tell the sending task that its reply is ready */
 947         QUEUE_SetWakeBit( senderQ, QS_SMRESULT );
 948
 949         /* switch directly to sending task (16 bit thread only) */
 950         if ( THREAD_IsWin16( NtCurrentTeb() ) && THREAD_IsWin16( senderQ->teb ) )
 951             DirectedYield16( senderQ->teb->htask16 );
 952
 953         ret = TRUE;
 954     }
 955
 956     if (smsg->flags & SMSG_SENDING_REPLY)
 957     {
 958         /* remove msg from the waiting list, since this  is the last
 959           ReplyMessage */
 960         QUEUE_RemoveSMSG( queue, SM_WAITING_LIST, smsg );
 961
 962         EnterCriticalSection(&senderQ->cSection);
 963
 964         /* tell the sender we're all done with smsg structure */
 965         smsg->flags |= SMSG_RECEIVED;
 966
 967         /* sender will set SMSG_RECEIVER_CLEANS_UP if it wants the
 968          receiver to clean up smsg, it could only happens when there is
 969          an early reply or a timeout */
 970         if ( smsg->flags & SMSG_RECEIVER_CLEANS )
 971         {
 972             TRACE_(sendmsg)("Receiver cleans up!\n" );
 973             HeapFree( SystemHeap, 0, smsg );
 974         }
 975
 976         LeaveCriticalSection(&senderQ->cSection);
 977     }
 978
 979 ReplyMessageEnd:
 980     if ( senderQ )
 981     QUEUE_Unlock( senderQ );
 982     if ( queue )
 983     QUEUE_Unlock( queue );
 984
 985     return ret;
 986 }
 987
 988 /***********************************************************************
 989  *           MSG_PeekMessage
 990  */
 991 static BOOL MSG_PeekMessage( LPMSG msg, HWND hwnd, DWORD first, DWORD last,
 992                                WORD flags, BOOL peek )
 993 {
 994     int mask;
 995     MESSAGEQUEUE *msgQueue;
 996     HQUEUE16 hQueue;
 997     POINT16 pt16;
 998     int iWndsLocks;
 999
1000     mask = QS_POSTMESSAGE | QS_SENDMESSAGE;  /* Always selected */
1001     if (first || last)
1002     {
1003         if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
1004         if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
1005              ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
1006         if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
1007         if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
1008         if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
1009     }
1010     else mask |= QS_MOUSE | QS_KEY | QS_TIMER | QS_PAINT;
1011
1012     if (IsTaskLocked16()) flags |= PM_NOYIELD;
1013
1014     /* Never yield on Win32 threads */
1015     if (!THREAD_IsWin16(NtCurrentTeb())) flags |= PM_NOYIELD;
1016
1017     iWndsLocks = WIN_SuspendWndsLock();
1018
1019     while(1)
1020     {
1021         QMSG *qmsg;
1022
1023         hQueue   = GetFastQueue16();
1024         msgQueue = (MESSAGEQUEUE *)QUEUE_Lock( hQueue );
1025         if (!msgQueue)
1026         {
1027             WIN_RestoreWndsLock(iWndsLocks);
1028             return FALSE;
1029         }
1030         msgQueue->changeBits = 0;
1031
1032         /* First handle a message put by SendMessage() */
1033
1034         while (msgQueue->wakeBits & QS_SENDMESSAGE)
1035             QUEUE_ReceiveMessage( msgQueue );
1036
1037         /* Now handle a WM_QUIT message */
1038
1039         if (msgQueue->wPostQMsg &&
1040            (!first || WM_QUIT >= first) &&
1041            (!last || WM_QUIT <= last) )
1042         {
1043             msg->hwnd    = hwnd;
1044             msg->message = WM_QUIT;
1045             msg->wParam  = msgQueue->wExitCode;
1046             msg->lParam  = 0;
1047             if (flags & PM_REMOVE) msgQueue->wPostQMsg = 0;
1048             break;
1049         }
1050
1051         /* Now find a normal message */
1052
1053         if (((msgQueue->wakeBits & mask) & QS_POSTMESSAGE) &&
1054             ((qmsg = QUEUE_FindMsg( msgQueue, hwnd, first, last )) != 0))
1055         {
1056             *msg = qmsg->msg;
1057
1058             msgQueue->GetMessageTimeVal      = msg->time;
1059             CONV_POINT32TO16(&msg->pt, &pt16);
1060             msgQueue->GetMessagePosVal       = *(DWORD *)&pt16;
1061             msgQueue->GetMessageExtraInfoVal = qmsg->extraInfo;
1062
1063             if (flags & PM_REMOVE) QUEUE_RemoveMsg( msgQueue, qmsg );
1064             break;
1065         }
1066
1067         msgQueue->changeBits |= MSG_JournalPlayBackMsg();
1068
1069         /* Now find a hardware event */
1070
1071         if (((msgQueue->wakeBits & mask) & (QS_MOUSE | QS_KEY)) &&
1072             MSG_PeekHardwareMsg( msg, hwnd, first, last, flags & PM_REMOVE ))
1073         {
1074             /* Got one */
1075             msgQueue->GetMessageTimeVal      = msg->time;
1076             CONV_POINT32TO16(&msg->pt, &pt16);
1077             msgQueue->GetMessagePosVal       = *(DWORD *)&pt16;
1078             msgQueue->GetMessageExtraInfoVal = 0;  /* Always 0 for now */
1079             break;
1080         }
1081
1082         /* Check again for SendMessage */
1083
1084         while (msgQueue->wakeBits & QS_SENDMESSAGE)
1085             QUEUE_ReceiveMessage( msgQueue );
1086
1087         /* Now find a WM_PAINT message */
1088
1089         if ((msgQueue->wakeBits & mask) & QS_PAINT)
1090         {
1091             WND* wndPtr;
1092             msg->hwnd = WIN_FindWinToRepaint( hwnd , hQueue );
1093             msg->message = WM_PAINT;
1094             msg->wParam = 0;
1095             msg->lParam = 0;
1096
1097             if ((wndPtr = WIN_FindWndPtr(msg->hwnd)))
1098             {
1099                 if( wndPtr->dwStyle & WS_MINIMIZE &&
1100                     (HICON) GetClassLongA(wndPtr->hwndSelf, GCL_HICON) )
1101                 {
1102                     msg->message = WM_PAINTICON;
1103                     msg->wParam = 1;
1104                 }
1105
1106                 if( !hwnd || msg->hwnd == hwnd || IsChild16(hwnd,msg->hwnd) )
1107                 {
1108                     if( wndPtr->flags & WIN_INTERNAL_PAINT && !wndPtr->hrgnUpdate)
1109                     {
1110                         wndPtr->flags &= ~WIN_INTERNAL_PAINT;
1111                         QUEUE_DecPaintCount( hQueue );
1112                     }
1113                     WIN_ReleaseWndPtr(wndPtr);
1114                     break;
1115                 }
1116                 WIN_ReleaseWndPtr(wndPtr);
1117             }
1118         }
1119
1120         /* Check for timer messages, but yield first */
1121
1122         if (!(flags & PM_NOYIELD))
1123         {
1124             UserYield16();
1125             while (msgQueue->wakeBits & QS_SENDMESSAGE)
1126                 QUEUE_ReceiveMessage( msgQueue );
1127         }
1128         if ((msgQueue->wakeBits & mask) & QS_TIMER)
1129         {
1130             if (TIMER_GetTimerMsg(msg, hwnd, hQueue, flags & PM_REMOVE)) break;
1131         }
1132
1133         if (peek)
1134         {
1135             if (!(flags & PM_NOYIELD)) UserYield16();
1136
1137             QUEUE_Unlock( msgQueue );
1138             WIN_RestoreWndsLock(iWndsLocks);
1139             return FALSE;
1140         }
1141         msgQueue->wakeMask = mask;
1142         QUEUE_WaitBits( mask, INFINITE );
1143         QUEUE_Unlock( msgQueue );
1144     }
1145
1146     WIN_RestoreWndsLock(iWndsLocks);
1147
1148     /* instead of unlocking queue for every break condition, all break
1149        condition will fall here */
1150     QUEUE_Unlock( msgQueue );
1151
1152       /* We got a message */
1153     if (flags & PM_REMOVE)
1154     {
1155         WORD message = msg->message;
1156
1157         if (message == WM_KEYDOWN || message == WM_SYSKEYDOWN)
1158         {
1159             BYTE *p = &QueueKeyStateTable[msg->wParam & 0xff];
1160
1161             if (!(*p & 0x80))
1162                 *p ^= 0x01;
1163             *p |= 0x80;
1164         }
1165         else if (message == WM_KEYUP || message == WM_SYSKEYUP)
1166             QueueKeyStateTable[msg->wParam & 0xff] &= ~0x80;
1167     }
1168
1169     if (peek)
1170         return TRUE;
1171
1172     else
1173         return (msg->message != WM_QUIT);
1174 }
1175
1176 /***********************************************************************
1177  *           MSG_InternalGetMessage
1178  *
1179  * GetMessage() function for internal use. Behave like GetMessage(),
1180  * but also call message filters and optionally send WM_ENTERIDLE messages.
1181  * 'hwnd' must be the handle of the dialog or menu window.
1182  * 'code' is the message filter value (MSGF_??? codes).
1183  */
1184 BOOL MSG_InternalGetMessage( MSG *msg, HWND hwnd, HWND hwndOwner,
1185                                WPARAM code, WORD flags, BOOL sendIdle )
1186 {
1187     for (;;)
1188     {
1189         if (sendIdle)
1190         {
1191             if (!MSG_PeekMessage( msg, 0, 0, 0, flags, TRUE ))
1192             {
1193                   /* No message present -> send ENTERIDLE and wait */
1194                 if (IsWindow(hwndOwner))
1195                     SendMessageA( hwndOwner, WM_ENTERIDLE,
1196                                    code, (LPARAM)hwnd );
1197                 MSG_PeekMessage( msg, 0, 0, 0, flags, FALSE );
1198             }
1199         }
1200         else  /* Always wait for a message */
1201             MSG_PeekMessage( msg, 0, 0, 0, flags, FALSE );
1202
1203         /* Call message filters */
1204
1205         if (HOOK_IsHooked( WH_SYSMSGFILTER ) || HOOK_IsHooked( WH_MSGFILTER ))
1206         {
1207             MSG *pmsg = HeapAlloc( SystemHeap, 0, sizeof(MSG) );
1208             if (pmsg)
1209             {
1210                 BOOL ret;
1211                 *pmsg = *msg;
1212                 ret = (HOOK_CallHooksA( WH_SYSMSGFILTER, code, 0,
1213                                           (LPARAM) pmsg ) ||
1214                        HOOK_CallHooksA( WH_MSGFILTER, code, 0,
1215                                           (LPARAM) pmsg ));
1216
1217                 HeapFree( SystemHeap, 0, pmsg );
1218                 if (ret)
1219                 {
1220                     /* Message filtered -> remove it from the queue */
1221                     /* if it's still there. */
1222                     if (!(flags & PM_REMOVE))
1223                         MSG_PeekMessage( msg, 0, 0, 0, PM_REMOVE, TRUE );
1224                     continue;
1225                 }
1226             }
1227         }
1228
1229         return (msg->message != WM_QUIT);
1230     }
1231 }
1232
1233
1234 /***********************************************************************
1235  *           PeekMessage16   (USER.109)
1236  */
1237 BOOL16 WINAPI PeekMessage16( LPMSG16 lpmsg, HWND16 hwnd, UINT16 first,
1238                              UINT16 last, UINT16 flags )
1239 {
1240     MSG msg32;
1241     BOOL16 ret;
1242     ret = PeekMessageA(&msg32, hwnd, first, last, flags);
1243     STRUCT32_MSG32to16(&msg32, lpmsg);
1244     return ret;
1245 }
1246
1247 /***********************************************************************
1248  *         WIN16_PeekMessage32   (USER.819)
1249  */
1250 BOOL16 WINAPI PeekMessage32_16( LPMSG16_32 lpmsg16_32, HWND16 hwnd,
1251                UINT16 first, UINT16 last, UINT16 flags, BOOL16 wHaveParamHigh )
1252 {
1253     if (wHaveParamHigh == FALSE)
1254     {
1255         lpmsg16_32->wParamHigh = 0;
1256         return PeekMessage16(&(lpmsg16_32->msg), hwnd, first, last, flags);
1257     }
1258     else
1259     {
1260         MSG msg32;
1261         BOOL16 ret;
1262
1263         ret = (BOOL16)PeekMessageA(&msg32, (HWND)hwnd,
1264                                    (UINT)first, (UINT)last, (UINT)flags);
1265         lpmsg16_32->msg.hwnd    = msg32.hwnd;
1266         lpmsg16_32->msg.message = msg32.message;
1267         lpmsg16_32->msg.wParam  = LOWORD(msg32.wParam);
1268         lpmsg16_32->msg.lParam  = msg32.lParam;
1269         lpmsg16_32->msg.time    = msg32.time;
1270         lpmsg16_32->msg.pt.x    = (INT16)msg32.pt.x;
1271         lpmsg16_32->msg.pt.y    = (INT16)msg32.pt.y;
1272         lpmsg16_32->wParamHigh  = HIWORD(msg32.wParam);
1273         return ret;
1274     }
1275 }
1276
1277
1278 /***********************************************************************
1279  *         PeekMessageA
1280  */
1281 BOOL WINAPI PeekMessageA( LPMSG lpmsg, HWND hwnd,
1282                               UINT min,UINT max,UINT wRemoveMsg)
1283 {
1284     return MSG_PeekMessage( lpmsg, hwnd, min, max, wRemoveMsg, TRUE );
1285 }
1286
1287 /***********************************************************************
1288  *         PeekMessageW             Check queue for messages
1289  *
1290  * Checks for a message in the thread's queue, filtered as for
1291  * GetMessage(). Returns immediately whether a message is available
1292  * or not.
1293  *
1294  * Whether a retrieved message is removed from the queue is set by the
1295  * _wRemoveMsg_ flags, which should be one of the following values:
1296  *
1297  *    PM_NOREMOVE    Do not remove the message from the queue.
1298  *
1299  *    PM_REMOVE      Remove the message from the queue.
1300  *
1301  * In addition, PM_NOYIELD may be combined into _wRemoveMsg_ to
1302  * request that the system not yield control during PeekMessage();
1303  * however applications may not rely on scheduling behavior.
1304  *
1305  * RETURNS
1306  *
1307  *  Nonzero if a message is available and is retrieved, zero otherwise.
1308  *
1309  * CONFORMANCE
1310  *
1311  * ECMA-234, Win32
1312  *
1313  */
1314 BOOL WINAPI PeekMessageW(
1315   LPMSG lpmsg,    /* buffer to receive message */
1316   HWND hwnd,      /* restrict to messages for hwnd */
1317   UINT min,       /* minimum message to receive */
1318   UINT max,       /* maximum message to receive */
1319   UINT wRemoveMsg /* removal flags */
1320 )
1321 {
1322         BOOL bRet = PeekMessageA(lpmsg,hwnd,min,max,wRemoveMsg);
1323         if (bRet)
1324             FIXME_(sendmsg)("(%s) unicode<->ascii\n", SPY_GetMsgName(lpmsg->message));
1325         return bRet;
1326 }
1327
1328 /***********************************************************************
1329  *           GetMessage16   (USER.108)
1330  */
1331 BOOL16 WINAPI GetMessage16( SEGPTR msg, HWND16 hwnd, UINT16 first, UINT16 last)
1332 {
1333     BOOL ret;
1334     MSG16 *lpmsg = (MSG16 *)PTR_SEG_TO_LIN(msg);
1335     MSG msg32;
1336
1337     ret = GetMessageA( &msg32, hwnd, first, last );
1338
1339     STRUCT32_MSG32to16( &msg32, lpmsg );
1340
1341     TRACE_(msg)("message %04x, hwnd %04x, filter(%04x - %04x)\n", lpmsg->message,
1342                                                                  hwnd, first, last );
1343
1344     return ret;
1345 }
1346
1347 /***********************************************************************
1348  *          WIN16_GetMessage32   (USER.820)
1349  */
1350 BOOL16 WINAPI GetMessage32_16( SEGPTR msg16_32, HWND16 hWnd, UINT16 first,
1351                      UINT16 last, BOOL16 wHaveParamHigh )
1352 {
1353     MSG32_16 *lpmsg16_32 = (MSG32_16 *)PTR_SEG_TO_LIN(msg16_32);
1354
1355     if (wHaveParamHigh == FALSE) /* normal GetMessage16 call */
1356     {
1357
1358         lpmsg16_32->wParamHigh = 0; /* you never know... */
1359         /* WARNING: msg16_32->msg has to be the first variable in the struct */
1360         return GetMessage16(msg16_32, hWnd, first, last);
1361     }
1362     else
1363     {
1364         MSG msg32;
1365         BOOL16 ret;
1366
1367         ret = (BOOL16)GetMessageA(&msg32, hWnd, first, last);
1368         lpmsg16_32->msg.hwnd    = msg32.hwnd;
1369         lpmsg16_32->msg.message = msg32.message;
1370         lpmsg16_32->msg.wParam  = LOWORD(msg32.wParam);
1371         lpmsg16_32->msg.lParam  = msg32.lParam;
1372         lpmsg16_32->msg.time    = msg32.time;
1373         lpmsg16_32->msg.pt.x    = (INT16)msg32.pt.x;
1374         lpmsg16_32->msg.pt.y    = (INT16)msg32.pt.y;
1375         lpmsg16_32->wParamHigh  = HIWORD(msg32.wParam);
1376         return ret;
1377     }
1378 }
1379
1380 /***********************************************************************
1381  *          GetMessage32A   (USER32.270)
1382  */
1383 BOOL WINAPI GetMessageA(MSG* lpmsg,HWND hwnd,UINT min,UINT max)
1384 {
1385     MSG_PeekMessage( lpmsg, hwnd, min, max, PM_REMOVE, FALSE );
1386
1387     TRACE_(msg)("message %04x, hwnd %04x, filter(%04x - %04x)\n", lpmsg->message,
1388           hwnd, min, max );
1389
1390     HOOK_CallHooksA( WH_GETMESSAGE, HC_ACTION, 0, (LPARAM)lpmsg );
1391
1392     return (lpmsg->message != WM_QUIT);
1393 }
1394
1395 /***********************************************************************
1396  *          GetMessage32W   (USER32.274) Retrieve next message
1397  *
1398  * GetMessage retrieves the next event from the calling thread's
1399  * queue and deposits it in *lpmsg.
1400  *
1401  * If _hwnd_ is not NULL, only messages for window _hwnd_ and its
1402  * children as specified by IsChild() are retrieved. If _hwnd_ is NULL
1403  * all application messages are retrieved.
1404  *
1405  * _min_ and _max_ specify the range of messages of interest. If
1406  * min==max==0, no filtering is performed. Useful examples are
1407  * WM_KEYFIRST and WM_KEYLAST to retrieve keyboard input, and
1408  * WM_MOUSEFIRST and WM_MOUSELAST to retrieve mouse input.
1409  *
1410  * WM_PAINT messages are not removed from the queue; they remain until
1411  * processed. Other messages are removed from the queue.
1412  *
1413  * RETURNS
1414  *
1415  * -1 on error, 0 if message is WM_QUIT, nonzero otherwise.
1416  *
1417  * CONFORMANCE
1418  *
1419  * ECMA-234, Win32
1420  *
1421  */
1422 BOOL WINAPI GetMessageW(
1423   MSG* lpmsg, /* buffer to receive message */
1424   HWND hwnd,  /* restrict to messages for hwnd */
1425   UINT min,   /* minimum message to receive */
1426   UINT max    /* maximum message to receive */
1427 )
1428 {
1429     BOOL bRet = GetMessageA(lpmsg, hwnd, min, max);
1430     if (bRet)
1431         FIXME_(sendmsg)("(%s) unicode<->ascii\n", SPY_GetMsgName(lpmsg->message));
1432     return bRet;
1433
1434 }
1435
1436
1437 /***********************************************************************
1438  *           PostMessage16   (USER.110)
1439  */
1440 BOOL16 WINAPI PostMessage16( HWND16 hwnd, UINT16 message, WPARAM16 wParam,
1441                              LPARAM lParam )
1442 {
1443     return (BOOL16) PostMessageA( hwnd, message, wParam, lParam );
1444 }
1445
1446
1447 /***********************************************************************
1448  *           PostMessage32A   (USER32.419)
1449  */
1450 BOOL WINAPI PostMessageA( HWND hwnd, UINT message, WPARAM wParam,
1451                               LPARAM lParam )
1452 {
1453     MSG       msg;
1454     WND         *wndPtr;
1455     BOOL      retvalue;
1456
1457     msg.hwnd    = hwnd;
1458     msg.message = message;
1459     msg.wParam  = wParam;
1460     msg.lParam  = lParam;
1461     msg.time    = GetTickCount();
1462     msg.pt.x    = 0;
1463     msg.pt.y    = 0;
1464
1465     if (hwnd == HWND_BROADCAST)
1466     {
1467         WND *pDesktop = WIN_GetDesktop();
1468         TRACE_(msg)("HWND_BROADCAST !\n");
1469
1470         for (wndPtr=WIN_LockWndPtr(pDesktop->child); wndPtr; WIN_UpdateWndPtr(&wndPtr,wndPtr->next))
1471         {
1472             if (wndPtr->dwStyle & WS_POPUP || wndPtr->dwStyle & WS_CAPTION)
1473             {
1474                 TRACE_(msg)("BROADCAST Message to hWnd=%04x m=%04X w=%04X l=%08lX !\n",
1475                             wndPtr->hwndSelf, message, wParam, lParam);
1476                 PostMessageA( wndPtr->hwndSelf, message, wParam, lParam );
1477             }
1478         }
1479         WIN_ReleaseDesktop();
1480         TRACE_(msg)("End of HWND_BROADCAST !\n");
1481         return TRUE;
1482     }
1483
1484     wndPtr = WIN_FindWndPtr( hwnd );
1485     if (!wndPtr || !wndPtr->hmemTaskQ)
1486     {
1487         retvalue = FALSE;
1488         goto END;
1489     }
1490
1491     retvalue = QUEUE_AddMsg( wndPtr->hmemTaskQ, &msg, 0 );
1492 END:
1493     WIN_ReleaseWndPtr(wndPtr);
1494     return retvalue;
1495 }
1496
1497
1498 /***********************************************************************
1499  *           PostMessage32W   (USER32.420)
1500  */
1501 BOOL WINAPI PostMessageW( HWND hwnd, UINT message, WPARAM wParam,
1502                               LPARAM lParam )
1503 {
1504   FIXME_(sendmsg)("(%s) unicode<->ascii\n", SPY_GetMsgName(message));
1505   return PostMessageA( hwnd, message, wParam, lParam );
1506 }
1507
1508
1509 /***********************************************************************
1510  *           PostAppMessage16   (USER.116)
1511  */
1512 BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 message, WPARAM16 wParam,
1513                                 LPARAM lParam )
1514 {
1515     MSG msg;
1516
1517     if (GetTaskQueue16(hTask) == 0) return FALSE;
1518     msg.hwnd    = 0;
1519     msg.message = message;
1520     msg.wParam  = wParam;
1521     msg.lParam  = lParam;
1522     msg.time    = GetTickCount();
1523     msg.pt.x    = 0;
1524     msg.pt.y    = 0;
1525
1526     return QUEUE_AddMsg( GetTaskQueue16(hTask), &msg, 0 );
1527 }
1528
1529 /************************************************************************
1530  *           MSG_CallWndProcHook32
1531  */
1532 static void  MSG_CallWndProcHook( LPMSG pmsg, BOOL bUnicode )
1533 {
1534    CWPSTRUCT cwp;
1535
1536    cwp.lParam = pmsg->lParam;
1537    cwp.wParam = pmsg->wParam;
1538    cwp.message = pmsg->message;
1539    cwp.hwnd = pmsg->hwnd;
1540
1541    if (bUnicode) HOOK_CallHooksW(WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp);
1542    else HOOK_CallHooksA( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp );
1543
1544    pmsg->lParam = cwp.lParam;
1545    pmsg->wParam = cwp.wParam;
1546    pmsg->message = cwp.message;
1547    pmsg->hwnd = cwp.hwnd;
1548 }
1549
1550
1551 /***********************************************************************
1552  *           MSG_SendMessage
1553  *
1554  * return values: 0 if timeout occurs
1555  *                1 otherwise
1556  */
1557 static LRESULT MSG_SendMessage( HWND hwnd, UINT msg, WPARAM wParam,
1558                          LPARAM lParam, DWORD timeout, WORD flags,
1559                          LRESULT *pRes)
1560 {
1561     WND * wndPtr = 0;
1562     WND **list, **ppWnd;
1563     LRESULT ret = 1;
1564
1565     *pRes = 0;
1566
1567     if (hwnd == HWND_BROADCAST|| hwnd == HWND_TOPMOST)
1568     {
1569         *pRes = 1;
1570
1571         if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
1572         {
1573             WIN_ReleaseDesktop();
1574             return 1;
1575         }
1576         WIN_ReleaseDesktop();
1577
1578         TRACE_(msg)("HWND_BROADCAST !\n");
1579         for (ppWnd = list; *ppWnd; ppWnd++)
1580         {
1581             WIN_UpdateWndPtr(&wndPtr,*ppWnd);
1582             if (!IsWindow(wndPtr->hwndSelf)) continue;
1583             if (wndPtr->dwStyle & WS_POPUP || wndPtr->dwStyle & WS_CAPTION)
1584             {
1585                 TRACE_(msg)("BROADCAST Message to hWnd=%04x m=%04X w=%04lX l=%08lX !\n",
1586                             wndPtr->hwndSelf, msg, (DWORD)wParam, lParam);
1587                 MSG_SendMessage( wndPtr->hwndSelf, msg, wParam, lParam,
1588                                timeout, flags, pRes);
1589             }
1590         }
1591         WIN_ReleaseWndPtr(wndPtr);
1592         WIN_ReleaseWinArray(list);
1593         TRACE_(msg)("End of HWND_BROADCAST !\n");
1594         return 1;
1595     }
1596
1597     if (HOOK_IsHooked( WH_CALLWNDPROC ))
1598     {
1599         if (flags & SMSG_UNICODE)
1600             MSG_CallWndProcHook( (LPMSG)&hwnd, TRUE);
1601         else if (flags & SMSG_WIN32)
1602             MSG_CallWndProcHook( (LPMSG)&hwnd, FALSE);
1603         else
1604         {
1605         LPCWPSTRUCT16 pmsg;
1606
1607         if ((pmsg = SEGPTR_NEW(CWPSTRUCT16)))
1608         {
1609                 pmsg->hwnd   = hwnd & 0xffff;
1610                 pmsg->message= msg & 0xffff;
1611                 pmsg->wParam = wParam & 0xffff;
1612             pmsg->lParam = lParam;
1613             HOOK_CallHooks16( WH_CALLWNDPROC, HC_ACTION, 1,
1614                               (LPARAM)SEGPTR_GET(pmsg) );
1615             hwnd   = pmsg->hwnd;
1616             msg    = pmsg->message;
1617             wParam = pmsg->wParam;
1618             lParam = pmsg->lParam;
1619             SEGPTR_FREE( pmsg );
1620         }
1621     }
1622     }
1623
1624     if (!(wndPtr = WIN_FindWndPtr( hwnd )))
1625     {
1626         WARN_(msg)("invalid hwnd %04x\n", hwnd );
1627         return 0;
1628     }
1629     if (QUEUE_IsExitingQueue(wndPtr->hmemTaskQ))
1630     {
1631         ret = 0;  /* Don't send anything if the task is dying */
1632         goto END;
1633     }
1634     if (flags & SMSG_WIN32)
1635         SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wParam, lParam );
1636     else
1637     SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wParam, lParam );
1638
1639     if (wndPtr->hmemTaskQ != GetFastQueue16())
1640         ret = MSG_SendMessageInterThread( wndPtr->hmemTaskQ, hwnd, msg,
1641                                           wParam, lParam, timeout, flags, pRes );
1642     else
1643     {
1644         /* Call the right CallWindowProc flavor */
1645         if (flags & SMSG_UNICODE)
1646             *pRes = CallWindowProcW( (WNDPROC)wndPtr->winproc,
1647                                      hwnd, msg, wParam, lParam );
1648         else if (flags & SMSG_WIN32)
1649             *pRes = CallWindowProcA( (WNDPROC)wndPtr->winproc,
1650                                 hwnd, msg, wParam, lParam );
1651         else
1652             *pRes = CallWindowProc16( (WNDPROC16)wndPtr->winproc,
1653                                     (HWND16) hwnd, (UINT16) msg,
1654                                     (WPARAM16) wParam, lParam );
1655     }
1656
1657     if (flags & SMSG_WIN32)
1658         SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, ret );
1659     else
1660     SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, ret );
1661 END:
1662     WIN_ReleaseWndPtr(wndPtr);
1663     return ret;
1664 }
1665
1666
1667 /***********************************************************************
1668  *           SendMessage16   (USER.111)
1669  */
1670 LRESULT WINAPI SendMessage16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
1671                               LPARAM lParam)
1672 {
1673     LRESULT res;
1674     MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, 0, &res);
1675     return res;
1676 }
1677
1678
1679
1680 /**********************************************************************
1681  *           PostThreadMessage32A    (USER32.422)
1682  *
1683  * BUGS
1684  *
1685  *  Thread-local message queues are not supported.
1686  *
1687  */
1688 BOOL WINAPI PostThreadMessageA(DWORD idThread , UINT message,
1689                                    WPARAM wParam, LPARAM lParam )
1690 {
1691     MSG msg;
1692     HQUEUE16 hQueue;
1693
1694     if ((hQueue = GetThreadQueue16(idThread)) == 0)
1695         return FALSE;
1696
1697     msg.hwnd    = 0;
1698     msg.message = message;
1699     msg.wParam  = wParam;
1700     msg.lParam  = lParam;
1701     msg.time    = GetTickCount();
1702     msg.pt.x    = 0;
1703     msg.pt.y    = 0;
1704
1705     return QUEUE_AddMsg( hQueue, &msg, 0 );
1706 }
1707
1708 /**********************************************************************
1709  *           PostThreadMessage32W    (USER32.423)
1710  *
1711  * BUGS
1712  *
1713  *  Thread-local message queues are not supported.
1714  *
1715  */
1716 BOOL WINAPI PostThreadMessageW(DWORD idThread , UINT message,
1717                                    WPARAM wParam, LPARAM lParam )
1718 {
1719    FIXME_(sendmsg)("(%s) unicode<->ascii\n",SPY_GetMsgName(message));
1720    return PostThreadMessageA(idThread, message, wParam, lParam);
1721 }
1722
1723 /***********************************************************************
1724  *           SendMessage32A   (USER32.454)
1725  */
1726 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wParam,
1727                                LPARAM lParam )
1728         {
1729     LRESULT res;
1730
1731     MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE,
1732                     SMSG_WIN32, &res);
1733
1734     return res;
1735 }
1736
1737
1738 /***********************************************************************
1739  *           SendMessage32W   (USER32.459)  Send Window Message
1740  *
1741  *  Sends a message to the window procedure of the specified window.
1742  *  SendMessage() will not return until the called window procedure
1743  *  either returns or calls ReplyMessage().
1744  *
1745  *  Use PostMessage() to send message and return immediately. A window
1746  *  procedure may use InSendMessage() to detect
1747  *  SendMessage()-originated messages.
1748  *
1749  *  Applications which communicate via HWND_BROADCAST may use
1750  *  RegisterWindowMessage() to obtain a unique message to avoid conflicts
1751  *  with other applications.
1752  *
1753  * CONFORMANCE
1754  *
1755  *  ECMA-234, Win32
1756  */
1757 LRESULT WINAPI SendMessageW(
1758   HWND hwnd,    /* Window to send message to. If HWND_BROADCAST,
1759                  the message will be sent to all top-level windows. */
1760
1761   UINT msg,      /* message */
1762   WPARAM wParam, /* message parameter */
1763   LPARAM lParam    /* additional message parameter */
1764 ) {
1765     LRESULT res;
1766
1767     MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE,
1768                     SMSG_WIN32 | SMSG_UNICODE, &res);
1769
1770     return res;
1771 }
1772
1773
1774 /***********************************************************************
1775  *           SendMessageTimeout16    (not a WINAPI)
1776  */
1777 LRESULT WINAPI SendMessageTimeout16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
1778                                      LPARAM lParam, UINT16 flags,
1779                                      UINT16 timeout, LPWORD resultp)
1780 {
1781     LRESULT ret;
1782     LRESULT msgRet;
1783
1784     /* FIXME: need support for SMTO_BLOCK */
1785
1786     ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout, 0, &msgRet);
1787     *resultp = (WORD) msgRet;
1788     return ret;
1789 }
1790
1791
1792 /***********************************************************************
1793  *           SendMessageTimeoutA   (USER32.457)
1794  */
1795 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wParam,
1796                                       LPARAM lParam, UINT flags,
1797                                       UINT timeout, LPDWORD resultp)
1798 {
1799     LRESULT ret;
1800     LRESULT msgRet;
1801
1802     /* FIXME: need support for SMTO_BLOCK */
1803
1804     ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout, SMSG_WIN32,
1805                           &msgRet);
1806
1807     *resultp = (DWORD) msgRet;
1808     return ret;
1809 }
1810
1811
1812 /***********************************************************************
1813  *           SendMessageTimeoutW   (USER32.458)
1814  */
1815 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wParam,
1816                                       LPARAM lParam, UINT flags,
1817                                       UINT timeout, LPDWORD resultp)
1818 {
1819     LRESULT ret;
1820     LRESULT msgRet;
1821
1822     /* FIXME: need support for SMTO_BLOCK */
1823
1824     ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout,
1825                           SMSG_WIN32 | SMSG_UNICODE, &msgRet);
1826
1827     *resultp = (DWORD) msgRet;
1828     return ret;
1829 }
1830
1831
1832 /***********************************************************************
1833  *  WaitMessage    (USER.112) (USER32.578)  Suspend thread pending messages
1834  *
1835  * WaitMessage() suspends a thread until events appear in the thread's
1836  * queue.
1837  *
1838  * BUGS
1839  *
1840  * Is supposed to return BOOL under Win32.
1841  *
1842  * Thread-local message queues are not supported.
1843  *
1844  * CONFORMANCE
1845  *
1846  * ECMA-234, Win32
1847  *
1848  */
1849 void WINAPI WaitMessage( void )
1850 {
1851     QUEUE_WaitBits( QS_ALLINPUT, INFINITE );
1852 }
1853
1854 /***********************************************************************
1855  *           MsgWaitForMultipleObjects    (USER32.400)
1856  */
1857 DWORD WINAPI MsgWaitForMultipleObjects( DWORD nCount, HANDLE *pHandles,
1858                                         BOOL fWaitAll, DWORD dwMilliseconds,
1859                                         DWORD dwWakeMask )
1860 {
1861     DWORD i;
1862     HANDLE handles[MAXIMUM_WAIT_OBJECTS];
1863     DWORD ret;
1864
1865     HQUEUE16 hQueue = GetFastQueue16();
1866     MESSAGEQUEUE *msgQueue = (MESSAGEQUEUE *)QUEUE_Lock( hQueue );
1867     if (!msgQueue) return WAIT_FAILED;
1868
1869     if (nCount > MAXIMUM_WAIT_OBJECTS-1)
1870     {
1871         SetLastError( ERROR_INVALID_PARAMETER );
1872         QUEUE_Unlock( msgQueue );
1873         return WAIT_FAILED;
1874     }
1875
1876     msgQueue->changeBits = 0;
1877     msgQueue->wakeMask = dwWakeMask;
1878
1879     if (THREAD_IsWin16(NtCurrentTeb()))
1880     {
1881       /*
1882        * This is a temporary solution to a big problem.
1883        * You see, the main thread of all Win32 programs is created as a 16 bit
1884        * task. This means that if you want on an event using Win32 synchronization
1885        * methods, the 16 bit scheduler is stopped and things might just stop happening.
1886        * This implements a semi-busy loop that checks the handles to wait on and
1887        * also the message queue. When either one is ready, the wait function returns.
1888        *
1889        * This will all go away when the real Win32 threads are implemented for all
1890        * the threads of an applications. Including the main thread.
1891        */
1892       DWORD curTime = GetCurrentTime();
1893
1894       do
1895       {
1896         /*
1897          * Check the handles in the list.
1898          */
1899         ret = WaitForMultipleObjects(nCount, pHandles, fWaitAll, 5L);
1900
1901         /*
1902          * If the handles have been triggered, return.
1903          */
1904         if (ret != WAIT_TIMEOUT)
1905           break;
1906
1907         /*
1908          * Then, let the 16 bit scheduler do it's thing.
1909          */
1910         Yield16();
1911
1912         /*
1913          * If a message matching the wait mask has arrived, return.
1914          */
1915         if (msgQueue->changeBits & dwWakeMask)
1916         {
1917           ret = nCount;
1918           break;
1919         }
1920
1921         /*
1922          * And continue doing this until we hit the timeout.
1923          */
1924       } while ((dwMilliseconds == INFINITE) || (GetCurrentTime()-curTime < dwMilliseconds) );
1925     }
1926     else
1927     {
1928     /* Add the thread event to the handle list */
1929       for (i = 0; i < nCount; i++)
1930         handles[i] = pHandles[i];
1931     handles[nCount] = msgQueue->hEvent;
1932
1933     ret = WaitForMultipleObjects( nCount+1, handles, fWaitAll, dwMilliseconds );
1934     }
1935
1936     QUEUE_Unlock( msgQueue );
1937
1938     return ret;
1939 }
1940
1941
1942
1943 struct accent_char
1944 {
1945     BYTE ac_accent;
1946     BYTE ac_char;
1947     BYTE ac_result;
1948 };
1949
1950 static const struct accent_char accent_chars[] =
1951 {
1952 /* A good idea should be to read /usr/X11/lib/X11/locale/iso8859-x/Compose */
1953     {'`', 'A', '\300'},  {'`', 'a', '\340'},
1954     {'\'', 'A', '\301'}, {'\'', 'a', '\341'},
1955     {'^', 'A', '\302'},  {'^', 'a', '\342'},
1956     {'~', 'A', '\303'},  {'~', 'a', '\343'},
1957     {'"', 'A', '\304'},  {'"', 'a', '\344'},
1958     {'O', 'A', '\305'},  {'o', 'a', '\345'},
1959     {'0', 'A', '\305'},  {'0', 'a', '\345'},
1960     {'A', 'A', '\305'},  {'a', 'a', '\345'},
1961     {'A', 'E', '\306'},  {'a', 'e', '\346'},
1962     {',', 'C', '\307'},  {',', 'c', '\347'},
1963     {'`', 'E', '\310'},  {'`', 'e', '\350'},
1964     {'\'', 'E', '\311'}, {'\'', 'e', '\351'},
1965     {'^', 'E', '\312'},  {'^', 'e', '\352'},
1966     {'"', 'E', '\313'},  {'"', 'e', '\353'},
1967     {'`', 'I', '\314'},  {'`', 'i', '\354'},
1968     {'\'', 'I', '\315'}, {'\'', 'i', '\355'},
1969     {'^', 'I', '\316'},  {'^', 'i', '\356'},
1970     {'"', 'I', '\317'},  {'"', 'i', '\357'},
1971     {'-', 'D', '\320'},  {'-', 'd', '\360'},
1972     {'~', 'N', '\321'},  {'~', 'n', '\361'},
1973     {'`', 'O', '\322'},  {'`', 'o', '\362'},
1974     {'\'', 'O', '\323'}, {'\'', 'o', '\363'},
1975     {'^', 'O', '\324'},  {'^', 'o', '\364'},
1976     {'~', 'O', '\325'},  {'~', 'o', '\365'},
1977     {'"', 'O', '\326'},  {'"', 'o', '\366'},
1978     {'/', 'O', '\330'},  {'/', 'o', '\370'},
1979     {'`', 'U', '\331'},  {'`', 'u', '\371'},
1980     {'\'', 'U', '\332'}, {'\'', 'u', '\372'},
1981     {'^', 'U', '\333'},  {'^', 'u', '\373'},
1982     {'"', 'U', '\334'},  {'"', 'u', '\374'},
1983     {'\'', 'Y', '\335'}, {'\'', 'y', '\375'},
1984     {'T', 'H', '\336'},  {'t', 'h', '\376'},
1985     {'s', 's', '\337'},  {'"', 'y', '\377'},
1986     {'s', 'z', '\337'},  {'i', 'j', '\377'},
1987         /* iso-8859-2 uses this */
1988     {'<', 'L', '\245'},  {'<', 'l', '\265'},    /* caron */
1989     {'<', 'S', '\251'},  {'<', 's', '\271'},
1990     {'<', 'T', '\253'},  {'<', 't', '\273'},
1991     {'<', 'Z', '\256'},  {'<', 'z', '\276'},
1992     {'<', 'C', '\310'},  {'<', 'c', '\350'},
1993     {'<', 'E', '\314'},  {'<', 'e', '\354'},
1994     {'<', 'D', '\317'},  {'<', 'd', '\357'},
1995     {'<', 'N', '\322'},  {'<', 'n', '\362'},
1996     {'<', 'R', '\330'},  {'<', 'r', '\370'},
1997     {';', 'A', '\241'},  {';', 'a', '\261'},    /* ogonek */
1998     {';', 'E', '\312'},  {';', 'e', '\332'},
1999     {'\'', 'Z', '\254'}, {'\'', 'z', '\274'},   /* acute */
2000     {'\'', 'R', '\300'}, {'\'', 'r', '\340'},
2001     {'\'', 'L', '\305'}, {'\'', 'l', '\345'},
2002     {'\'', 'C', '\306'}, {'\'', 'c', '\346'},
2003     {'\'', 'N', '\321'}, {'\'', 'n', '\361'},
2004 /*  collision whith S, from iso-8859-9 !!! */
2005     {',', 'S', '\252'},  {',', 's', '\272'},    /* cedilla */
2006     {',', 'T', '\336'},  {',', 't', '\376'},
2007     {'.', 'Z', '\257'},  {'.', 'z', '\277'},    /* dot above */
2008     {'/', 'L', '\243'},  {'/', 'l', '\263'},    /* slash */
2009     {'/', 'D', '\320'},  {'/', 'd', '\360'},
2010     {'(', 'A', '\303'},  {'(', 'a', '\343'},    /* breve */
2011     {'\275', 'O', '\325'}, {'\275', 'o', '\365'},       /* double acute */
2012     {'\275', 'U', '\334'}, {'\275', 'u', '\374'},
2013     {'0', 'U', '\332'},  {'0', 'u', '\372'},    /* ring above */
2014         /* iso-8859-3 uses this */
2015     {'/', 'H', '\241'},  {'/', 'h', '\261'},    /* slash */
2016     {'>', 'H', '\246'},  {'>', 'h', '\266'},    /* circumflex */
2017     {'>', 'J', '\254'},  {'>', 'j', '\274'},
2018     {'>', 'C', '\306'},  {'>', 'c', '\346'},
2019     {'>', 'G', '\330'},  {'>', 'g', '\370'},
2020     {'>', 'S', '\336'},  {'>', 's', '\376'},
2021 /*  collision whith G( from iso-8859-9 !!!   */
2022     {'(', 'G', '\253'},  {'(', 'g', '\273'},    /* breve */
2023     {'(', 'U', '\335'},  {'(', 'u', '\375'},
2024 /*  collision whith I. from iso-8859-3 !!!   */
2025     {'.', 'I', '\251'},  {'.', 'i', '\271'},    /* dot above */
2026     {'.', 'C', '\305'},  {'.', 'c', '\345'},
2027     {'.', 'G', '\325'},  {'.', 'g', '\365'},
2028         /* iso-8859-4 uses this */
2029     {',', 'R', '\243'},  {',', 'r', '\263'},    /* cedilla */
2030     {',', 'L', '\246'},  {',', 'l', '\266'},
2031     {',', 'G', '\253'},  {',', 'g', '\273'},
2032     {',', 'N', '\321'},  {',', 'n', '\361'},
2033     {',', 'K', '\323'},  {',', 'k', '\363'},
2034     {'~', 'I', '\245'},  {'~', 'i', '\265'},    /* tilde */
2035     {'-', 'E', '\252'},  {'-', 'e', '\272'},    /* macron */
2036     {'-', 'A', '\300'},  {'-', 'a', '\340'},
2037     {'-', 'I', '\317'},  {'-', 'i', '\357'},
2038     {'-', 'O', '\322'},  {'-', 'o', '\362'},
2039     {'-', 'U', '\336'},  {'-', 'u', '\376'},
2040     {'/', 'T', '\254'},  {'/', 't', '\274'},    /* slash */
2041     {'.', 'E', '\314'},  {'.', 'e', '\344'},    /* dot above */
2042     {';', 'I', '\307'},  {';', 'i', '\347'},    /* ogonek */
2043     {';', 'U', '\331'},  {';', 'u', '\371'},
2044         /* iso-8859-9 uses this */
2045         /* iso-8859-9 has really bad choosen G( S, and I. as they collide
2046          * whith the same letters on other iso-8859-x (that is they are on
2047          * different places :-( ), if you use turkish uncomment these and
2048          * comment out the lines in iso-8859-2 and iso-8859-3 sections
2049          * FIXME: should be dynamic according to chosen language
2050          *        if/when Wine has turkish support.
2051          */
2052 /*  collision whith G( from iso-8859-3 !!!   */
2053 /*  {'(', 'G', '\320'},  {'(', 'g', '\360'}, */ /* breve */
2054 /*  collision whith S, from iso-8859-2 !!! */
2055 /*  {',', 'S', '\336'},  {',', 's', '\376'}, */ /* cedilla */
2056 /*  collision whith I. from iso-8859-3 !!!   */
2057 /*  {'.', 'I', '\335'},  {'.', 'i', '\375'}, */ /* dot above */
2058 };
2059
2060
2061 /***********************************************************************
2062  *           MSG_DoTranslateMessage
2063  *
2064  * Implementation of TranslateMessage.
2065  *
2066  * TranslateMessage translates virtual-key messages into character-messages,
2067  * as follows :
2068  * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
2069  * ditto replacing WM_* with WM_SYS*
2070  * This produces WM_CHAR messages only for keys mapped to ASCII characters
2071  * by the keyboard driver.
2072  */
2073 static BOOL MSG_DoTranslateMessage( UINT message, HWND hwnd,
2074                                       WPARAM wParam, LPARAM lParam )
2075 {
2076     static int dead_char;
2077     BYTE wp[2];
2078
2079     if (message != WM_MOUSEMOVE && message != WM_TIMER)
2080         TRACE_(msg)("(%s, %04X, %08lX)\n",
2081                      SPY_GetMsgName(message), wParam, lParam );
2082     if(message >= WM_KEYFIRST && message <= WM_KEYLAST)
2083         TRACE_(key)("(%s, %04X, %08lX)\n",
2084                      SPY_GetMsgName(message), wParam, lParam );
2085
2086     if ((message != WM_KEYDOWN) && (message != WM_SYSKEYDOWN))  return FALSE;
2087
2088     TRACE_(key)("Translating key %04X, scancode %04X\n",
2089                  wParam, HIWORD(lParam) );
2090
2091     /* FIXME : should handle ToAscii yielding 2 */
2092     switch (ToAscii(wParam, HIWORD(lParam),
2093                       QueueKeyStateTable,(LPWORD)wp, 0))
2094     {
2095     case 1 :
2096         message = (message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
2097         /* Should dead chars handling go in ToAscii ? */
2098         if (dead_char)
2099         {
2100             int i;
2101
2102             if (wp[0] == ' ') wp[0] =  dead_char;
2103             if (dead_char == 0xa2) dead_char = '(';
2104             else if (dead_char == 0xa8) dead_char = '"';
2105             else if (dead_char == 0xb2) dead_char = ';';
2106             else if (dead_char == 0xb4) dead_char = '\'';
2107             else if (dead_char == 0xb7) dead_char = '<';
2108             else if (dead_char == 0xb8) dead_char = ',';
2109             else if (dead_char == 0xff) dead_char = '.';
2110             for (i = 0; i < sizeof(accent_chars)/sizeof(accent_chars[0]); i++)
2111                 if ((accent_chars[i].ac_accent == dead_char) &&
2112                     (accent_chars[i].ac_char == wp[0]))
2113                 {
2114                     wp[0] = accent_chars[i].ac_result;
2115                     break;
2116                 }
2117             dead_char = 0;
2118         }
2119         TRACE_(key)("1 -> PostMessage(%s)\n", SPY_GetMsgName(message));
2120         PostMessage16( hwnd, message, wp[0], lParam );
2121         return TRUE;
2122
2123     case -1 :
2124         message = (message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
2125         dead_char = wp[0];
2126         TRACE_(key)("-1 -> PostMessage(%s)\n",
2127                      SPY_GetMsgName(message));
2128         PostMessage16( hwnd, message, wp[0], lParam );
2129         return TRUE;
2130     }
2131     return FALSE;
2132 }
2133
2134
2135 /***********************************************************************
2136  *           TranslateMessage16   (USER.113)
2137  */
2138 BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
2139 {
2140     return MSG_DoTranslateMessage( msg->message, msg->hwnd,
2141                                    msg->wParam, msg->lParam );
2142 }
2143
2144
2145 /***********************************************************************
2146  *           WIN16_TranslateMessage32   (USER.821)
2147  */
2148 BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
2149 {
2150     WPARAM wParam;
2151
2152     if (wHaveParamHigh)
2153         wParam = MAKELONG(msg->msg.wParam, msg->wParamHigh);
2154     else
2155         wParam = (WPARAM)msg->msg.wParam;
2156
2157     return MSG_DoTranslateMessage( msg->msg.message, msg->msg.hwnd,
2158                                    wParam, msg->msg.lParam );
2159 }
2160
2161 /***********************************************************************
2162  *           TranslateMessage32   (USER32.556)
2163  */
2164 BOOL WINAPI TranslateMessage( const MSG *msg )
2165 {
2166     return MSG_DoTranslateMessage( msg->message, msg->hwnd,
2167                                    msg->wParam, msg->lParam );
2168 }
2169
2170
2171 /***********************************************************************
2172  *           DispatchMessage16   (USER.114)
2173  */
2174 LONG WINAPI DispatchMessage16( const MSG16* msg )
2175 {
2176     WND * wndPtr;
2177     LONG retval;
2178     int painting;
2179
2180       /* Process timer messages */
2181     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2182     {
2183         if (msg->lParam)
2184         {
2185             return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
2186                                    msg->message, msg->wParam, GetTickCount() );
2187         }
2188     }
2189
2190     if (!msg->hwnd) return 0;
2191     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
2192     if (!wndPtr->winproc)
2193     {
2194         retval = 0;
2195         goto END;
2196     }
2197     painting = (msg->message == WM_PAINT);
2198     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
2199
2200     SPY_EnterMessage( SPY_DISPATCHMESSAGE16, msg->hwnd, msg->message,
2201                       msg->wParam, msg->lParam );
2202     retval = CallWindowProc16( (WNDPROC16)wndPtr->winproc,
2203                                msg->hwnd, msg->message,
2204                                msg->wParam, msg->lParam );
2205     SPY_ExitMessage( SPY_RESULT_OK16, msg->hwnd, msg->message, retval );
2206
2207     WIN_ReleaseWndPtr(wndPtr);
2208     wndPtr = WIN_FindWndPtr(msg->hwnd);
2209     if (painting && wndPtr &&
2210         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
2211     {
2212         ERR_(msg)("BeginPaint not called on WM_PAINT for hwnd %04x!\n",
2213             msg->hwnd);
2214         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
2215         /* Validate the update region to avoid infinite WM_PAINT loop */
2216         ValidateRect( msg->hwnd, NULL );
2217     }
2218 END:
2219     WIN_ReleaseWndPtr(wndPtr);
2220     return retval;
2221 }
2222
2223
2224 /***********************************************************************
2225  *           WIN16_DispatchMessage32   (USER.822)
2226  */
2227 LONG WINAPI DispatchMessage32_16( const MSG32_16* lpmsg16_32, BOOL16 wHaveParamHigh )
2228 {
2229     if (wHaveParamHigh == FALSE)
2230         return DispatchMessage16(&(lpmsg16_32->msg));
2231     else
2232     {
2233         MSG msg;
2234
2235         msg.hwnd = lpmsg16_32->msg.hwnd;
2236         msg.message = lpmsg16_32->msg.message;
2237         msg.wParam = MAKELONG(lpmsg16_32->msg.wParam, lpmsg16_32->wParamHigh);
2238         msg.lParam = lpmsg16_32->msg.lParam;
2239         msg.time = lpmsg16_32->msg.time;
2240         msg.pt.x = (INT)lpmsg16_32->msg.pt.x;
2241         msg.pt.y = (INT)lpmsg16_32->msg.pt.y;
2242         return DispatchMessageA(&msg);
2243     }
2244 }
2245
2246 /***********************************************************************
2247  *           DispatchMessage32A   (USER32.141)
2248  */
2249 LONG WINAPI DispatchMessageA( const MSG* msg )
2250 {
2251     WND * wndPtr;
2252     LONG retval;
2253     int painting;
2254
2255       /* Process timer messages */
2256     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2257     {
2258         if (msg->lParam)
2259         {
2260 /*            HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2261             return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
2262                                    msg->message, msg->wParam, GetTickCount() );
2263         }
2264     }
2265
2266     if (!msg->hwnd) return 0;
2267     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
2268     if (!wndPtr->winproc)
2269     {
2270         retval = 0;
2271         goto END;
2272     }
2273     painting = (msg->message == WM_PAINT);
2274     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
2275 /*    HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2276
2277     SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2278                       msg->wParam, msg->lParam );
2279     retval = CallWindowProcA( (WNDPROC)wndPtr->winproc,
2280                                 msg->hwnd, msg->message,
2281                                 msg->wParam, msg->lParam );
2282     SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval );
2283
2284     WIN_ReleaseWndPtr(wndPtr);
2285     wndPtr = WIN_FindWndPtr(msg->hwnd);
2286
2287     if (painting && wndPtr &&
2288         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
2289     {
2290         ERR_(msg)("BeginPaint not called on WM_PAINT for hwnd %04x!\n",
2291             msg->hwnd);
2292         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
2293         /* Validate the update region to avoid infinite WM_PAINT loop */
2294         ValidateRect( msg->hwnd, NULL );
2295     }
2296 END:
2297     WIN_ReleaseWndPtr(wndPtr);
2298     return retval;
2299 }
2300
2301
2302 /***********************************************************************
2303  *           DispatchMessage32W   (USER32.142)     Process Message
2304  *
2305  * Process the message specified in the structure *_msg_.
2306  *
2307  * If the lpMsg parameter points to a WM_TIMER message and the
2308  * parameter of the WM_TIMER message is not NULL, the lParam parameter
2309  * points to the function that is called instead of the window
2310  * procedure.
2311  *
2312  * The message must be valid.
2313  *
2314  * RETURNS
2315  *
2316  *   DispatchMessage() returns the result of the window procedure invoked.
2317  *
2318  * CONFORMANCE
2319  *
2320  *   ECMA-234, Win32
2321  *
2322  */
2323 LONG WINAPI DispatchMessageW( const MSG* msg )
2324 {
2325     WND * wndPtr;
2326     LONG retval;
2327     int painting;
2328
2329       /* Process timer messages */
2330     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2331     {
2332         if (msg->lParam)
2333         {
2334 /*            HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2335             return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
2336                                    msg->message, msg->wParam, GetTickCount() );
2337         }
2338     }
2339
2340     if (!msg->hwnd) return 0;
2341     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
2342     if (!wndPtr->winproc)
2343     {
2344         retval = 0;
2345         goto END;
2346     }
2347     painting = (msg->message == WM_PAINT);
2348     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
2349 /*    HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2350
2351     SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2352                       msg->wParam, msg->lParam );
2353     retval = CallWindowProcW( (WNDPROC)wndPtr->winproc,
2354                                 msg->hwnd, msg->message,
2355                                 msg->wParam, msg->lParam );
2356     SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval );
2357
2358     WIN_ReleaseWndPtr(wndPtr);
2359     wndPtr = WIN_FindWndPtr(msg->hwnd);
2360
2361     if (painting && wndPtr &&
2362         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
2363     {
2364         ERR_(msg)("BeginPaint not called on WM_PAINT for hwnd %04x!\n",
2365             msg->hwnd);
2366         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
2367         /* Validate the update region to avoid infinite WM_PAINT loop */
2368         ValidateRect( msg->hwnd, NULL );
2369     }
2370 END:
2371     WIN_ReleaseWndPtr(wndPtr);
2372     return retval;
2373 }
2374
2375
2376 /***********************************************************************
2377  *           RegisterWindowMessage16   (USER.118)
2378  */
2379 WORD WINAPI RegisterWindowMessage16( SEGPTR str )
2380 {
2381     TRACE_(msg)("%08lx\n", (DWORD)str );
2382     return GlobalAddAtom16( str );
2383 }
2384
2385
2386 /***********************************************************************
2387  *           RegisterWindowMessage32A   (USER32.437)
2388  */
2389 WORD WINAPI RegisterWindowMessageA( LPCSTR str )
2390 {
2391     TRACE_(msg)("%s\n", str );
2392     return GlobalAddAtomA( str );
2393 }
2394
2395
2396 /***********************************************************************
2397  *           RegisterWindowMessage32W   (USER32.438)
2398  */
2399 WORD WINAPI RegisterWindowMessageW( LPCWSTR str )
2400 {
2401     TRACE_(msg)("%p\n", str );
2402     return GlobalAddAtomW( str );
2403 }
2404
2405
2406 /***********************************************************************
2407  *           GetTickCount   (USER.13) (KERNEL32.299)  System Time
2408  * Returns the number of milliseconds, modulo 2^32, since the start
2409  * of the current session.
2410  *
2411  * CONFORMANCE
2412  *
2413  * ECMA-234, Win32
2414  */
2415 DWORD WINAPI GetTickCount(void)
2416 {
2417     struct timeval t;
2418     gettimeofday( &t, NULL );
2419     /* make extremely compatible: granularity is 25 msec */
2420     return ((t.tv_sec * 1000) + (t.tv_usec / 25000) * 25) - MSG_WineStartTicks;
2421 }
2422
2423
2424 /***********************************************************************
2425  *           GetCurrentTime16    (USER.15)
2426  *
2427  * (effectively identical to GetTickCount)
2428  */
2429 DWORD WINAPI GetCurrentTime16(void)
2430 {
2431     return GetTickCount();
2432 }
2433
2434
2435 /***********************************************************************
2436  *           InSendMessage16    (USER.192)
2437  */
2438 BOOL16 WINAPI InSendMessage16(void)
2439 {
2440     return InSendMessage();
2441 }
2442
2443
2444 /***********************************************************************
2445  *           InSendMessage32    (USER32.320)
2446  */
2447 BOOL WINAPI InSendMessage(void)
2448 {
2449     MESSAGEQUEUE *queue;
2450     BOOL ret;
2451
2452     if (!(queue = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
2453         return 0;
2454     ret = (BOOL)queue->smWaiting;
2455
2456     QUEUE_Unlock( queue );
2457     return ret;
2458 }
2459
2460 /***********************************************************************
2461  *           BroadcastSystemMessage    (USER32.12)
2462  */
2463 LONG WINAPI BroadcastSystemMessage(
2464         DWORD dwFlags,LPDWORD recipients,UINT uMessage,WPARAM wParam,
2465         LPARAM lParam
2466 ) {
2467         FIXME_(sendmsg)("(%08lx,%08lx,%08x,%08x,%08lx): stub!\n",
2468               dwFlags,*recipients,uMessage,wParam,lParam
2469         );
2470         return 0;
2471 }
2472
2473 /***********************************************************************
2474  *           SendNotifyMessageA    (USER32.460)
2475  * FIXME
2476  *  The message sended with PostMessage has to be put in the queue
2477  *  with a higher priority as the other "Posted" messages.
2478  *  QUEUE_AddMsg has to be modifyed.
2479  */
2480 BOOL WINAPI SendNotifyMessageA(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
2481 {       BOOL ret = TRUE;
2482         FIXME_(msg)("(%04x,%08x,%08x,%08lx) not complete\n",
2483               hwnd, msg, wParam, lParam);
2484
2485         if ( GetCurrentThreadId() == GetWindowThreadProcessId ( hwnd, NULL))
2486         {       ret=SendMessageA ( hwnd, msg, wParam, lParam );
2487         }
2488         else
2489         {       PostMessageA ( hwnd, msg, wParam, lParam );
2490         }
2491         return ret;
2492 }
2493
2494 /***********************************************************************
2495  *           SendNotifyMessageW    (USER32.461)
2496  * FIXME
2497  *  The message sended with PostMessage has to be put in the queue
2498  *  with a higher priority as the other "Posted" messages.
2499  *  QUEUE_AddMsg has to be modifyed.
2500  */
2501 BOOL WINAPI SendNotifyMessageW(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
2502 {       BOOL ret = TRUE;
2503         FIXME_(msg)("(%04x,%08x,%08x,%08lx) not complete\n",
2504               hwnd, msg, wParam, lParam);
2505
2506         if ( GetCurrentThreadId() == GetWindowThreadProcessId ( hwnd, NULL))
2507         {       ret=SendMessageW ( hwnd, msg, wParam, lParam );
2508         }
2509         else
2510         {       PostMessageW ( hwnd, msg, wParam, lParam );
2511         }
2512         return ret;
2513 }
2514
2515 /***********************************************************************
2516  *           SendMessageCallback32A
2517  * FIXME: It's like PostMessage. The callback gets called when the message
2518  * is processed. We have to modify the message processing for a exact
2519  * implementation...
2520  */
2521 BOOL WINAPI SendMessageCallbackA(
2522         HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam,
2523         FARPROC lpResultCallBack,DWORD dwData)
2524 {
2525         FIXME_(msg)("(0x%04x,0x%04x,0x%08x,0x%08lx,%p,0x%08lx),stub!\n",
2526                 hWnd,Msg,wParam,lParam,lpResultCallBack,dwData);
2527         if ( hWnd == HWND_BROADCAST)
2528         {       PostMessageA( hWnd, Msg, wParam, lParam);
2529                 FIXME_(msg)("Broadcast: Callback will not be called!\n");
2530                 return TRUE;
2531         }
2532         (lpResultCallBack)( hWnd, Msg, dwData, SendMessageA ( hWnd, Msg, wParam, lParam ));
2533                 return TRUE;
2534 }
2535 /***********************************************************************
2536  *           SendMessageCallback32W
2537  * FIXME: It's like PostMessage. The callback gets called when the message
2538  * is processed. We have to modify the message processing for a exact
2539  * implementation...
2540  */
2541 BOOL WINAPI SendMessageCallbackW(
2542         HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam,
2543         FARPROC lpResultCallBack,DWORD dwData)
2544 {
2545         FIXME_(msg)("(0x%04x,0x%04x,0x%08x,0x%08lx,%p,0x%08lx),stub!\n",
2546                 hWnd,Msg,wParam,lParam,lpResultCallBack,dwData);
2547         if ( hWnd == HWND_BROADCAST)
2548         {       PostMessageW( hWnd, Msg, wParam, lParam);
2549                 FIXME_(msg)("Broadcast: Callback will not be called!\n");
2550                 return TRUE;
2551         }
2552         (lpResultCallBack)( hWnd, Msg, dwData, SendMessageA ( hWnd, Msg, wParam, lParam ));
2553                 return TRUE;
2554 }