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 "thread.h"
  26 #include "options.h"
  27 #include "controls.h"
  28 #include "struct32.h"
  29 #include "debugtools.h"
  30
  31 DEFAULT_DEBUG_CHANNEL(msg);
  32 DECLARE_DEBUG_CHANNEL(key);
  33 DECLARE_DEBUG_CHANNEL(sendmsg);
  34
  35 #define WM_NCMOUSEFIRST         WM_NCMOUSEMOVE
  36 #define WM_NCMOUSELAST          WM_NCMBUTTONDBLCLK
  37
  38
  39 typedef enum { SYSQ_MSG_ABANDON, SYSQ_MSG_SKIP,
  40                SYSQ_MSG_ACCEPT, SYSQ_MSG_CONTINUE } SYSQ_STATUS;
  41
  42 extern HQUEUE16 hCursorQueue;                    /* queue.c */
  43
  44 static UINT doubleClickSpeed = 452;
  45
  46 /***********************************************************************
  47  *           MSG_CheckFilter
  48  */
  49 static BOOL MSG_CheckFilter(DWORD uMsg, DWORD first, DWORD last)
  50 {
  51    if( first || last )
  52        return (uMsg >= first && uMsg <= last);
  53    return TRUE;
  54 }
  55
  56 /***********************************************************************
  57  *           MSG_SendParentNotify
  58  *
  59  * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
  60  * the window has the WS_EX_NOPARENTNOTIFY style.
  61  */
  62 static void MSG_SendParentNotify(WND* wndPtr, WORD event, WORD idChild, LPARAM lValue)
  63 {
  64     POINT pt;
  65
  66     /* pt has to be in the client coordinates of the parent window */
  67     WND *tmpWnd = WIN_LockWndPtr(wndPtr);
  68
  69     pt.x = SLOWORD(lValue);
  70     pt.y = SHIWORD(lValue);
  71     MapWindowPoints( 0, tmpWnd->hwndSelf, &pt, 1 );
  72     while (tmpWnd)
  73     {
  74         if (!(tmpWnd->dwStyle & WS_CHILD) || (tmpWnd->dwExStyle & WS_EX_NOPARENTNOTIFY))
  75         {
  76             WIN_ReleaseWndPtr(tmpWnd);
  77             break;
  78         }
  79         pt.x += tmpWnd->rectClient.left;
  80         pt.y += tmpWnd->rectClient.top;
  81         WIN_UpdateWndPtr(&tmpWnd,tmpWnd->parent);
  82         SendMessageA( tmpWnd->hwndSelf, WM_PARENTNOTIFY,
  83                       MAKEWPARAM( event, idChild ),
  84                       MAKELONG( pt.x, pt.y ) );
  85     }
  86 }
  87
  88
  89 /***********************************************************************
  90  *           MSG_TranslateMouseMsg
  91  *
  92  * Translate a mouse hardware event into a real mouse message.
  93  *
  94  * Returns:
  95  *
  96  *  SYSQ_MSG_ABANDON  - abandon the peek message loop
  97  *  SYSQ_MSG_CONTINUE - leave the message in the queue and
  98  *                      continue with the translation loop
  99  *  SYSQ_MSG_ACCEPT   - proceed to process the translated message
 100  */
 101 static DWORD MSG_TranslateMouseMsg( HWND hTopWnd, DWORD first, DWORD last,
 102                                     MSG *msg, BOOL remove, WND* pWndScope,
 103                                     INT16 *pHitTest, POINT16 *pScreen_pt, BOOL *pmouseClick )
 104 {
 105     static DWORD   dblclk_time_limit = 0;
 106     static UINT16     clk_message = 0;
 107     static HWND16     clk_hwnd = 0;
 108     static POINT16    clk_pos = { 0, 0 };
 109
 110     WND *pWnd;
 111     HWND hWnd;
 112     INT16 ht, hittest;
 113     UINT message = msg->message;
 114     POINT16 screen_pt, pt;
 115     HANDLE16 hQ = GetFastQueue16();
 116     MESSAGEQUEUE *queue = (MESSAGEQUEUE *)QUEUE_Lock(hQ);
 117     BOOL mouseClick = ((message == WM_LBUTTONDOWN) ||
 118                          (message == WM_RBUTTONDOWN) ||
 119                          (message == WM_MBUTTONDOWN))?1:0;
 120     DWORD retvalue;
 121
 122     /* Find the window to dispatch this mouse message to */
 123
 124     CONV_POINT32TO16( &msg->pt, &pt );
 125
 126     hWnd = GetCapture();
 127
 128     /* If no capture HWND, find window which contains the mouse position.
 129      * Also find the position of the cursor hot spot (hittest) */
 130     if( !hWnd )
 131     {
 132         ht = hittest = WINPOS_WindowFromPoint( pWndScope, pt, &pWnd );
 133         if( !pWnd ) pWnd = WIN_GetDesktop();
 134         else WIN_LockWndPtr(pWnd);
 135         hWnd = pWnd->hwndSelf;
 136     }
 137     else
 138     {
 139         ht = hittest = HTCLIENT;
 140         pWnd = WIN_FindWndPtr(hWnd);
 141         if (queue)
 142             ht = PERQDATA_GetCaptureInfo( queue->pQData );
 143     }
 144
 145     /* Save hittest for return */
 146     *pHitTest = hittest;
 147
 148         /* stop if not the right queue */
 149
 150     if (pWnd->hmemTaskQ != hQ)
 151     {
 152         /* Not for the current task */
 153         if (queue) QUEUE_ClearWakeBit( queue, QS_MOUSE );
 154         /* Wake up the other task */
 155         QUEUE_Unlock( queue );
 156         queue = (MESSAGEQUEUE *)QUEUE_Lock( pWnd->hmemTaskQ );
 157         if (queue) QUEUE_SetWakeBit( queue, QS_MOUSE );
 158
 159         QUEUE_Unlock( queue );
 160         retvalue = SYSQ_MSG_ABANDON;
 161         goto END;
 162     }
 163
 164         /* check if hWnd is within hWndScope */
 165
 166     if( hTopWnd && hWnd != hTopWnd )
 167         if( !IsChild(hTopWnd, hWnd) )
 168         {
 169             QUEUE_Unlock( queue );
 170             retvalue = SYSQ_MSG_CONTINUE;
 171             goto END;
 172         }
 173
 174     /* Was it a mouse click message */
 175     if( mouseClick )
 176     {
 177         /* translate double clicks -
 178          * note that ...MOUSEMOVEs can slip in between
 179          * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
 180
 181         if(GetClassLongA(hWnd, GCL_STYLE) & CS_DBLCLKS || ht != HTCLIENT )
 182         {
 183            if ((message == clk_message) && (hWnd == clk_hwnd) &&
 184                (msg->time - dblclk_time_limit < doubleClickSpeed) &&
 185                (abs(msg->pt.x - clk_pos.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
 186                (abs(msg->pt.y - clk_pos.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
 187            {
 188               message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
 189               mouseClick++;   /* == 2 */
 190            }
 191         }
 192     }
 193     /* save mouse position */
 194     screen_pt = pt;
 195     *pScreen_pt = pt;
 196
 197     if (hittest != HTCLIENT)
 198     {
 199         message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
 200         msg->wParam = hittest;
 201     }
 202     else
 203         ScreenToClient16( hWnd, &pt );
 204
 205         /* check message filter */
 206
 207     if (!MSG_CheckFilter(message, first, last))
 208     {
 209         QUEUE_Unlock(queue);
 210         retvalue = SYSQ_MSG_CONTINUE;
 211         goto END;
 212     }
 213
 214     /* Update global hCursorQueue */
 215     hCursorQueue = queue->self;
 216
 217     /* Update static double click conditions */
 218     if( remove && mouseClick )
 219     {
 220         if( mouseClick == 1 )
 221         {
 222             /* set conditions */
 223             dblclk_time_limit = msg->time;
 224                clk_message = msg->message;
 225                clk_hwnd = hWnd;
 226                clk_pos = screen_pt;
 227         } else
 228             /* got double click - zero them out */
 229             dblclk_time_limit = clk_hwnd = 0;
 230     }
 231
 232     QUEUE_Unlock(queue);
 233
 234     /* Update message params */
 235     msg->hwnd    = hWnd;
 236     msg->message = message;
 237     msg->lParam  = MAKELONG( pt.x, pt.y );
 238     retvalue = SYSQ_MSG_ACCEPT;
 239
 240 END:
 241     WIN_ReleaseWndPtr(pWnd);
 242
 243     /* Return mouseclick flag */
 244     *pmouseClick = mouseClick;
 245
 246     return retvalue;
 247 }
 248
 249
 250 /***********************************************************************
 251  *           MSG_ProcessMouseMsg
 252  *
 253  * Processes a translated mouse hardware event.
 254  * The passed in msg structure should contain the updated hWnd,
 255  * lParam, wParam and message fields from MSG_TranslateMouseMsg.
 256  *
 257  * Returns:
 258  *
 259  *  SYSQ_MSG_SKIP     - Message should be skipped entirely (in this case
 260  *                      HIWORD contains hit test code). Continue translating..
 261  *  SYSQ_MSG_ACCEPT   - the translated message must be passed to the user
 262  *                      MSG_PeekHardwareMsg should return TRUE.
 263  */
 264 static DWORD MSG_ProcessMouseMsg( MSG *msg, BOOL remove, INT16 hittest,
 265                                   POINT16 screen_pt, BOOL mouseClick )
 266 {
 267     WND *pWnd;
 268     HWND hWnd = msg->hwnd;
 269     INT16 sendSC = (GetCapture() == 0);
 270     UINT message = msg->message;
 271     BOOL eatMsg = FALSE;
 272     DWORD retvalue;
 273
 274     pWnd = WIN_FindWndPtr(hWnd);
 275
 276         /* call WH_MOUSE */
 277
 278     if (HOOK_IsHooked( WH_MOUSE ))
 279     {
 280         SYSQ_STATUS ret = 0;
 281         MOUSEHOOKSTRUCT16 *hook = SEGPTR_NEW(MOUSEHOOKSTRUCT16);
 282         if( hook )
 283         {
 284             hook->pt           = screen_pt;
 285             hook->hwnd         = hWnd;
 286             hook->wHitTestCode = hittest;
 287             hook->dwExtraInfo  = 0;
 288             ret = HOOK_CallHooks16( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
 289                                     message, (LPARAM)SEGPTR_GET(hook) );
 290             SEGPTR_FREE(hook);
 291         }
 292         if( ret )
 293         {
 294             retvalue = MAKELONG((INT16)SYSQ_MSG_SKIP, hittest);
 295             goto END;
 296         }
 297     }
 298
 299     if (message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST)
 300         message += WM_MOUSEFIRST - WM_NCMOUSEFIRST;
 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, message, 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         /* Windows sends the normal mouse message as the message parameter
 342            in the WM_SETCURSOR message even if it's non-client mouse message */
 343         SendMessageA( hWnd, WM_SETCURSOR, hWnd,
 344                        MAKELONG( hittest, message ));
 345     }
 346     if (eatMsg)
 347     {
 348         retvalue = MAKELONG( (UINT16)SYSQ_MSG_SKIP, hittest);
 349         goto END;
 350     }
 351
 352     retvalue = SYSQ_MSG_ACCEPT;
 353 END:
 354     WIN_ReleaseWndPtr(pWnd);
 355
 356     return retvalue;
 357 }
 358
 359
 360 /***********************************************************************
 361  *           MSG_TranslateKbdMsg
 362  *
 363  * Translate a keyboard hardware event into a real message.
 364  */
 365 static DWORD MSG_TranslateKbdMsg( HWND hTopWnd, DWORD first, DWORD last,
 366                                   MSG *msg, BOOL remove )
 367 {
 368     WORD message = msg->message;
 369     HWND hWnd = GetFocus();
 370     WND *pWnd;
 371
 372       /* Should check Ctrl-Esc and PrintScreen here */
 373
 374     if (!hWnd)
 375     {
 376           /* Send the message to the active window instead,  */
 377           /* translating messages to their WM_SYS equivalent */
 378
 379         hWnd = GetActiveWindow();
 380
 381         if( message < WM_SYSKEYDOWN )
 382             message += WM_SYSKEYDOWN - WM_KEYDOWN;
 383     }
 384     if ( !hWnd ) return SYSQ_MSG_ABANDON;
 385     pWnd = WIN_FindWndPtr( hWnd );
 386
 387     if (pWnd && (pWnd->hmemTaskQ != GetFastQueue16()))
 388     {
 389         /* Not for the current task */
 390         MESSAGEQUEUE *queue = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() );
 391         if (queue) QUEUE_ClearWakeBit( queue, QS_KEY );
 392         QUEUE_Unlock( queue );
 393
 394         /* Wake up the other task */
 395         queue = (MESSAGEQUEUE *)QUEUE_Lock( pWnd->hmemTaskQ );
 396         if (queue) QUEUE_SetWakeBit( queue, QS_KEY );
 397         QUEUE_Unlock( queue );
 398         WIN_ReleaseWndPtr(pWnd);
 399         return SYSQ_MSG_ABANDON;
 400     }
 401     WIN_ReleaseWndPtr(pWnd);
 402
 403     if (hTopWnd && hWnd != hTopWnd)
 404         if (!IsChild(hTopWnd, hWnd)) return SYSQ_MSG_CONTINUE;
 405     if (!MSG_CheckFilter(message, first, last)) return SYSQ_MSG_CONTINUE;
 406
 407     msg->hwnd = hWnd;
 408     msg->message = message;
 409
 410     return SYSQ_MSG_ACCEPT;
 411 }
 412
 413
 414 /***********************************************************************
 415  *           MSG_ProcessKbdMsg
 416  *
 417  *  Processes a translated keyboard message
 418  */
 419 static DWORD MSG_ProcessKbdMsg( MSG *msg, BOOL remove )
 420 {
 421     /* Handle F1 key by sending out WM_HELP message */
 422     if ((msg->message == WM_KEYUP) &&
 423         (msg->wParam == VK_F1) &&
 424         remove &&
 425         (msg->hwnd != GetDesktopWindow()) &&
 426         !MENU_IsMenuActive())
 427     {
 428         HELPINFO hi;
 429         WND *pWnd = WIN_FindWndPtr(msg->hwnd);
 430
 431         if (NULL != pWnd)
 432         {
 433             hi.cbSize = sizeof(HELPINFO);
 434             hi.iContextType = HELPINFO_WINDOW;
 435             hi.iCtrlId = pWnd->wIDmenu;
 436             hi.hItemHandle = msg->hwnd;
 437             hi.dwContextId = pWnd->helpContext;
 438             hi.MousePos = msg->pt;
 439             SendMessageA(msg->hwnd, WM_HELP, 0, (LPARAM)&hi);
 440         }
 441         WIN_ReleaseWndPtr(pWnd);
 442     }
 443
 444     return (HOOK_CallHooks16( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
 445                               LOWORD (msg->wParam), msg->lParam )
 446             ? SYSQ_MSG_SKIP : SYSQ_MSG_ACCEPT);
 447 }
 448
 449
 450 /***********************************************************************
 451  *           MSG_JournalRecordMsg
 452  *
 453  * Build an EVENTMSG structure and call JOURNALRECORD hook
 454  */
 455 static void MSG_JournalRecordMsg( MSG *msg )
 456 {
 457     EVENTMSG *event = (EVENTMSG *) HeapAlloc(SystemHeap, 0, sizeof(EVENTMSG));
 458     if (!event) return;
 459     event->message = msg->message;
 460     event->time = msg->time;
 461     if ((msg->message >= WM_KEYFIRST) && (msg->message <= WM_KEYLAST))
 462     {
 463         event->paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
 464         event->paramH = msg->lParam & 0x7FFF;
 465         if (HIWORD(msg->lParam) & 0x0100)
 466             event->paramH |= 0x8000;               /* special_key - bit */
 467         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event );
 468     }
 469     else if ((msg->message >= WM_MOUSEFIRST) && (msg->message <= WM_MOUSELAST))
 470     {
 471         POINT pt;
 472         pt.x = SLOWORD(msg->lParam);
 473         pt.y = SHIWORD(msg->lParam);
 474         ClientToScreen( msg->hwnd, &pt );
 475         event->paramL = pt.x;
 476         event->paramH = pt.y;
 477         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event );
 478     }
 479     else if ((msg->message >= WM_NCMOUSEFIRST) &&
 480              (msg->message <= WM_NCMOUSELAST))
 481     {
 482         event->paramL = LOWORD(msg->lParam);       /* X pos */
 483         event->paramH = HIWORD(msg->lParam);       /* Y pos */
 484         event->message += WM_MOUSEMOVE-WM_NCMOUSEMOVE;/* give no info about NC area */
 485         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event );
 486     }
 487
 488     HeapFree(SystemHeap, 0, event);
 489 }
 490
 491 /***********************************************************************
 492  *          MSG_JournalPlayBackMsg
 493  *
 494  * Get an EVENTMSG struct via call JOURNALPLAYBACK hook function
 495  */
 496 static int MSG_JournalPlayBackMsg(void)
 497 {
 498  EVENTMSG *tmpMsg;
 499  long wtime,lParam,wParam;
 500  WORD keyDown,i,result=0;
 501
 502  if ( HOOK_IsHooked( WH_JOURNALPLAYBACK ) )
 503  {
 504   tmpMsg = (EVENTMSG *) HeapAlloc(SystemHeap, 0, sizeof(EVENTMSG));
 505   if (!tmpMsg) return result;
 506
 507   wtime=HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_GETNEXT, 0,
 508                            (LPARAM) tmpMsg );
 509   /*  TRACE(msg,"Playback wait time =%ld\n",wtime); */
 510   if (wtime<=0)
 511   {
 512    wtime=0;
 513    if ((tmpMsg->message >= WM_KEYFIRST) && (tmpMsg->message <= WM_KEYLAST))
 514    {
 515      wParam=tmpMsg->paramL & 0xFF;
 516      lParam=MAKELONG(tmpMsg->paramH&0x7ffff,tmpMsg->paramL>>8);
 517      if (tmpMsg->message == WM_KEYDOWN || tmpMsg->message == WM_SYSKEYDOWN)
 518      {
 519        for (keyDown=i=0; i<256 && !keyDown; i++)
 520           if (InputKeyStateTable[i] & 0x80)
 521             keyDown++;
 522        if (!keyDown)
 523          lParam |= 0x40000000;
 524        AsyncKeyStateTable[wParam]=InputKeyStateTable[wParam] |= 0x80;
 525      }
 526      else                                       /* WM_KEYUP, WM_SYSKEYUP */
 527      {
 528        lParam |= 0xC0000000;
 529        AsyncKeyStateTable[wParam]=InputKeyStateTable[wParam] &= ~0x80;
 530      }
 531      if (InputKeyStateTable[VK_MENU] & 0x80)
 532        lParam |= 0x20000000;
 533      if (tmpMsg->paramH & 0x8000)              /*special_key bit*/
 534        lParam |= 0x01000000;
 535      hardware_event( tmpMsg->message & 0xffff, LOWORD(wParam), lParam,
 536                      0, 0, tmpMsg->time, 0 );
 537    }
 538    else
 539    {
 540     if ((tmpMsg->message>= WM_MOUSEFIRST) && (tmpMsg->message <= WM_MOUSELAST))
 541     {
 542      switch (tmpMsg->message)
 543      {
 544       case WM_LBUTTONDOWN:
 545           MouseButtonsStates[0]=AsyncMouseButtonsStates[0]=TRUE;break;
 546       case WM_LBUTTONUP:
 547           MouseButtonsStates[0]=AsyncMouseButtonsStates[0]=FALSE;break;
 548       case WM_MBUTTONDOWN:
 549           MouseButtonsStates[1]=AsyncMouseButtonsStates[1]=TRUE;break;
 550       case WM_MBUTTONUP:
 551           MouseButtonsStates[1]=AsyncMouseButtonsStates[1]=FALSE;break;
 552       case WM_RBUTTONDOWN:
 553           MouseButtonsStates[2]=AsyncMouseButtonsStates[2]=TRUE;break;
 554       case WM_RBUTTONUP:
 555           MouseButtonsStates[2]=AsyncMouseButtonsStates[2]=FALSE;break;
 556      }
 557      AsyncKeyStateTable[VK_LBUTTON]= InputKeyStateTable[VK_LBUTTON] = MouseButtonsStates[0] ? 0x80 : 0;
 558      AsyncKeyStateTable[VK_MBUTTON]= InputKeyStateTable[VK_MBUTTON] = MouseButtonsStates[1] ? 0x80 : 0;
 559      AsyncKeyStateTable[VK_RBUTTON]= InputKeyStateTable[VK_RBUTTON] = MouseButtonsStates[2] ? 0x80 : 0;
 560      SetCursorPos(tmpMsg->paramL,tmpMsg->paramH);
 561      lParam=MAKELONG(tmpMsg->paramL,tmpMsg->paramH);
 562      wParam=0;
 563      if (MouseButtonsStates[0]) wParam |= MK_LBUTTON;
 564      if (MouseButtonsStates[1]) wParam |= MK_MBUTTON;
 565      if (MouseButtonsStates[2]) wParam |= MK_RBUTTON;
 566      hardware_event( tmpMsg->message & 0xffff, LOWORD (wParam), lParam,
 567                      tmpMsg->paramL, tmpMsg->paramH, tmpMsg->time, 0 );
 568     }
 569    }
 570    HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_SKIP, 0,
 571                       (LPARAM) tmpMsg);
 572   }
 573   else
 574   {
 575
 576     if( tmpMsg->message == WM_QUEUESYNC )
 577         if (HOOK_IsHooked( WH_CBT ))
 578             HOOK_CallHooksA( WH_CBT, HCBT_QS, 0, 0L);
 579
 580     result= QS_MOUSE | QS_KEY; /* ? */
 581   }
 582   HeapFree(SystemHeap, 0, tmpMsg);
 583  }
 584  return result;
 585 }
 586
 587 /***********************************************************************
 588  *           MSG_PeekHardwareMsg
 589  *
 590  * Peek for a hardware message matching the hwnd and message filters.
 591  */
 592 static BOOL MSG_PeekHardwareMsg( MSG *msg, HWND hwnd, DWORD first, DWORD last,
 593                                    BOOL remove )
 594 {
 595     DWORD status = SYSQ_MSG_ACCEPT;
 596     MESSAGEQUEUE *sysMsgQueue = QUEUE_GetSysQueue();
 597     enum { MOUSE_MSG = 0, KEYBOARD_MSG, HARDWARE_MSG } msgType;
 598     QMSG *nextqmsg, *qmsg = 0;
 599     BOOL bRet = FALSE;
 600
 601     EnterCriticalSection(&sysMsgQueue->cSection);
 602
 603     /* Loop through the Q and translate the message we wish to process
 604      * while we own the lock. Based on the translation status (abandon/cont/accept)
 605      * we then process the message accordingly
 606      */
 607
 608     for ( qmsg = sysMsgQueue->firstMsg; qmsg; qmsg = nextqmsg )
 609     {
 610         INT16 hittest;
 611         POINT16 screen_pt;
 612         BOOL mouseClick;
 613
 614         *msg = qmsg->msg;
 615
 616         nextqmsg = qmsg->nextMsg;
 617
 618           /* Translate message */
 619
 620         if ((msg->message >= WM_MOUSEFIRST) && (msg->message <= WM_MOUSELAST))
 621         {
 622             HWND hWndScope = (HWND)qmsg->extraInfo;
 623             WND *tmpWnd = (Options.managed && IsWindow(hWndScope) )
 624                            ? WIN_FindWndPtr(hWndScope) : WIN_GetDesktop();
 625
 626             status = MSG_TranslateMouseMsg(hwnd, first, last, msg, remove, tmpWnd,
 627                                            &hittest, &screen_pt, &mouseClick );
 628             msgType = MOUSE_MSG;
 629
 630             WIN_ReleaseWndPtr(tmpWnd);
 631
 632         }
 633         else if ((msg->message >= WM_KEYFIRST) && (msg->message <= WM_KEYLAST))
 634         {
 635             status = MSG_TranslateKbdMsg(hwnd, first, last, msg, remove);
 636             msgType = KEYBOARD_MSG;
 637         }
 638         else /* Non-standard hardware event */
 639         {
 640             HARDWAREHOOKSTRUCT16 *hook;
 641             msgType = HARDWARE_MSG;
 642             if ((hook = SEGPTR_NEW(HARDWAREHOOKSTRUCT16)))
 643             {
 644                 BOOL ret;
 645                 hook->hWnd     = msg->hwnd;
 646                 hook->wMessage = msg->message & 0xffff;
 647                 hook->wParam   = LOWORD (msg->wParam);
 648                 hook->lParam   = msg->lParam;
 649                 ret = HOOK_CallHooks16( WH_HARDWARE,
 650                                         remove ? HC_ACTION : HC_NOREMOVE,
 651                                         0, (LPARAM)SEGPTR_GET(hook) );
 652                 SEGPTR_FREE(hook);
 653                 if (ret)
 654                 {
 655                     QUEUE_RemoveMsg( sysMsgQueue, qmsg );
 656                     continue;
 657                 }
 658                 status = SYSQ_MSG_ACCEPT;
 659             }
 660         }
 661
 662
 663         switch (LOWORD(status))
 664         {
 665            case SYSQ_MSG_ACCEPT:
 666            {
 667                /* Remove the message from the system msg Q while it is still locked,
 668                 * before accepting it */
 669                if (remove)
 670                {
 671                    if (HOOK_IsHooked( WH_JOURNALRECORD )) MSG_JournalRecordMsg( msg );
 672                    QUEUE_RemoveMsg( sysMsgQueue, qmsg );
 673                }
 674                /* Now actually process the message, after we unlock the system msg Q.
 675                 * We should not hold on to the crst since SendMessage calls during processing
 676                 * will potentially cause callbacks to PeekMessage from the application.
 677                 * If we're holding the crst and QUEUE_WaitBits is called with a
 678                 * QS_SENDMESSAGE mask we will deadlock in hardware_event() when a
 679                 * message is being posted to the Q.
 680                 */
 681                LeaveCriticalSection(&sysMsgQueue->cSection);
 682                if( msgType == KEYBOARD_MSG )
 683                    status = MSG_ProcessKbdMsg( msg, remove );
 684                else if ( msgType == MOUSE_MSG )
 685                    status = MSG_ProcessMouseMsg( msg, remove, hittest, screen_pt, mouseClick );
 686
 687                /* Reclaim the sys msg Q crst */
 688                EnterCriticalSection(&sysMsgQueue->cSection);
 689
 690                /* Pass the translated message to the user if it was accepted */
 691                if (status == SYSQ_MSG_ACCEPT)
 692                 break;
 693
 694                /* If not accepted, fall through into the SYSQ_MSG_SKIP case */
 695            }
 696
 697            case SYSQ_MSG_SKIP:
 698                 if (HOOK_IsHooked( WH_CBT ))
 699                 {
 700                    if( msgType == KEYBOARD_MSG )
 701                        HOOK_CallHooks16( WH_CBT, HCBT_KEYSKIPPED,
 702                                          LOWORD (msg->wParam), msg->lParam );
 703                    else if ( msgType == MOUSE_MSG )
 704                    {
 705                        MOUSEHOOKSTRUCT16 *hook = SEGPTR_NEW(MOUSEHOOKSTRUCT16);
 706                        if (hook)
 707                        {
 708                            CONV_POINT32TO16( &msg->pt,&hook->pt );
 709                            hook->hwnd         = msg->hwnd;
 710                            hook->wHitTestCode = HIWORD(status);
 711                            hook->dwExtraInfo  = 0;
 712                            HOOK_CallHooks16( WH_CBT, HCBT_CLICKSKIPPED ,msg->message & 0xffff,
 713                                           (LPARAM)SEGPTR_GET(hook) );
 714                            SEGPTR_FREE(hook);
 715                        }
 716                    }
 717                 }
 718
 719                 /* If the message was removed earlier set up nextqmsg so that we start
 720                  * at the top of the queue again.  We need to do this since our next pointer
 721                  * could be invalid due to us unlocking the system message Q to process the message.
 722                  * If not removed just refresh nextqmsg to point to the next msg.
 723                  */
 724                 if (remove)
 725                     nextqmsg = sysMsgQueue->firstMsg;
 726                 else
 727                     nextqmsg = qmsg->nextMsg;
 728
 729                 continue;
 730
 731            case SYSQ_MSG_CONTINUE:
 732                 continue;
 733
 734            case SYSQ_MSG_ABANDON:
 735                bRet = FALSE;
 736                goto END;
 737         }
 738
 739         bRet = TRUE;
 740         goto END;
 741     }
 742
 743 END:
 744     LeaveCriticalSection(&sysMsgQueue->cSection);
 745     return bRet;
 746 }
 747
 748
 749 /**********************************************************************
 750  *              SetDoubleClickTime (USER.20)
 751  */
 752 void WINAPI SetDoubleClickTime16( UINT16 interval )
 753 {
 754     SetDoubleClickTime( interval );
 755 }
 756
 757
 758 /**********************************************************************
 759  *              SetDoubleClickTime (USER32.@)
 760  */
 761 BOOL WINAPI SetDoubleClickTime( UINT interval )
 762 {
 763     doubleClickSpeed = interval ? interval : 500;
 764     return TRUE;
 765 }
 766
 767
 768 /**********************************************************************
 769  *              GetDoubleClickTime (USER.21)
 770  */
 771 UINT16 WINAPI GetDoubleClickTime16(void)
 772 {
 773     return doubleClickSpeed;
 774 }
 775
 776
 777 /**********************************************************************
 778  *              GetDoubleClickTime (USER32.@)
 779  */
 780 UINT WINAPI GetDoubleClickTime(void)
 781 {
 782     return doubleClickSpeed;
 783 }
 784
 785
 786 /***********************************************************************
 787  *           MSG_SendMessageInterThread
 788  *
 789  * Implementation of an inter-task SendMessage.
 790  * Return values:
 791  *    0 if error or timeout
 792  *    1 if successful
 793  */
 794 static LRESULT MSG_SendMessageInterThread( HQUEUE16 hDestQueue,
 795                                            HWND hwnd, UINT msg,
 796                                            WPARAM wParam, LPARAM lParam,
 797                                            DWORD timeout, WORD flags,
 798                                            LRESULT *pRes)
 799 {
 800     MESSAGEQUEUE *queue, *destQ;
 801     SMSG         *smsg;
 802     LRESULT      retVal = 1;
 803     int          iWndsLocks;
 804
 805     if (pRes) *pRes = 0;
 806
 807     if (IsTaskLocked16() || !IsWindow(hwnd))
 808         return 0;
 809
 810     /* create a SMSG structure to hold SendMessage() parameters */
 811     if (! (smsg = (SMSG *) HeapAlloc( SystemHeap, 0, sizeof(SMSG) )) )
 812         return 0;
 813     if (!(queue = (MESSAGEQUEUE*)QUEUE_Lock( GetFastQueue16() ))) return 0;
 814
 815     if (!(destQ = (MESSAGEQUEUE*)QUEUE_Lock( hDestQueue )))
 816     {
 817         QUEUE_Unlock( queue );
 818         return 0;
 819     }
 820
 821     TRACE_(sendmsg)("SM: %s [%04x] (%04x -> %04x)\n",
 822                     SPY_GetMsgName(msg), msg, queue->self, hDestQueue );
 823
 824     /* fill up SMSG structure */
 825     smsg->hWnd = hwnd;
 826     smsg->msg = msg;
 827     smsg->wParam = wParam;
 828     smsg->lParam = lParam;
 829
 830     smsg->lResult = 0;
 831     smsg->hSrcQueue = pRes ? GetFastQueue16() : 0;
 832     smsg->hDstQueue = hDestQueue;
 833     smsg->flags = flags;
 834
 835     if (pRes) {
 836         /* add smsg struct in the processing SM list of the source queue */
 837         QUEUE_AddSMSG(queue, SM_PROCESSING_LIST, smsg);
 838     } else {
 839         /* this is a notification message, we don't need a reply */
 840         smsg->flags |= SMSG_ALREADY_REPLIED | SMSG_RECEIVER_CLEANS;
 841     }
 842
 843     /* add smsg struct in the pending list of the destination queue */
 844     if (QUEUE_AddSMSG(destQ, SM_PENDING_LIST, smsg) == FALSE)
 845     {
 846         retVal = 0;
 847         goto CLEANUP;
 848     }
 849
 850     if (!pRes) goto CLEANUP; /* don't need a reply */
 851
 852     iWndsLocks = WIN_SuspendWndsLock();
 853
 854     /* force destination task to run next, if 16 bit threads */
 855     if ( THREAD_IsWin16(NtCurrentTeb()) && THREAD_IsWin16(destQ->teb) )
 856         DirectedYield16( destQ->teb->htask16 );
 857
 858     /* wait for the result, note that 16-bit apps almost always get out of
 859      * DirectedYield() with SMSG_HAVE_RESULT flag already set */
 860
 861     while ( TRUE )
 862     {
 863         /*
 864          * The sequence is crucial to avoid deadlock situations:
 865          * - first, we clear the QS_SMRESULT bit
 866          * - then, we check the SMSG_HAVE_RESULT bit
 867          * - only if this isn't set, we enter the wait state.
 868          *
 869          * As the receiver first sets the SMSG_HAVE_RESULT and then wakes us,
 870          * we are guaranteed that -should we now clear the QS_SMRESULT that
 871          * was signalled already by the receiver- we will not start waiting.
 872          */
 873
 874         if ( smsg->flags & SMSG_HAVE_RESULT )
 875         {
 876 got:
 877              *pRes = smsg->lResult;
 878              TRACE_(sendmsg)("smResult = %08x\n", (unsigned)*pRes );
 879              break;
 880         }
 881
 882         QUEUE_ClearWakeBit( queue, QS_SMRESULT );
 883
 884         if ( smsg->flags & SMSG_HAVE_RESULT )
 885              goto got;
 886
 887         if(  QUEUE_WaitBits( QS_SMRESULT, timeout ) == 0 )
 888         {
 889              /* return with timeout */
 890              SetLastError( 0 );
 891              retVal = 0;
 892              break;
 893         }
 894     }
 895     WIN_RestoreWndsLock(iWndsLocks);
 896
 897     /* remove the smsg from the processing list of the source queue */
 898     QUEUE_RemoveSMSG( queue, SM_PROCESSING_LIST, smsg );
 899
 900     /* Note: the destination thread is in charge of removing the smsg from
 901        the pending list */
 902
 903     /* In the case of an early reply (or a timeout), sender thread will
 904        released the smsg structure if the receiver thread is done
 905        (SMSG_RECEIVED set). If the receiver thread isn't done,
 906        SMSG_RECEIVER_CLEANS_UP flag is set, and it will be the receiver
 907        responsibility to release smsg */
 908         EnterCriticalSection( &queue->cSection );
 909
 910         if (smsg->flags & SMSG_RECEIVED)
 911             HeapFree(SystemHeap, 0, smsg);
 912         else
 913             smsg->flags |= SMSG_RECEIVER_CLEANS;
 914
 915         LeaveCriticalSection( &queue->cSection );
 916
 917
 918 CLEANUP:
 919     QUEUE_Unlock( queue );
 920     QUEUE_Unlock( destQ );
 921
 922     TRACE_(sendmsg)("done!\n");
 923     return retVal;
 924 }
 925
 926
 927 /***********************************************************************
 928  *              ReplyMessage (USER.115)
 929  */
 930 void WINAPI ReplyMessage16( LRESULT result )
 931 {
 932     ReplyMessage( result );
 933 }
 934
 935 /***********************************************************************
 936  *              ReplyMessage (USER32.@)
 937  */
 938 BOOL WINAPI ReplyMessage( LRESULT result )
 939 {
 940     MESSAGEQUEUE *senderQ = 0;
 941     MESSAGEQUEUE *queue = 0;
 942     SMSG         *smsg;
 943     BOOL       ret = FALSE;
 944
 945     if (!(queue = (MESSAGEQUEUE*)QUEUE_Lock( GetFastQueue16() )))
 946         return FALSE;
 947
 948     TRACE_(sendmsg)("ReplyMessage, queue %04x\n", queue->self);
 949
 950
 951     if (    !(smsg = queue->smWaiting)
 952          || !(  (senderQ = QUEUE_Lock( smsg->hSrcQueue ))
 953               || (smsg->flags & SMSG_ALREADY_REPLIED)) )
 954         goto ReplyMessageEnd;
 955
 956     if ( !(smsg->flags & SMSG_ALREADY_REPLIED) )
 957     {
 958         /* This is the first reply, so pass result to sender */
 959
 960         TRACE_(sendmsg)("\trpm: smResult = %08lx\n", (long) result );
 961
 962         EnterCriticalSection(&senderQ->cSection);
 963
 964         smsg->lResult = result;
 965         smsg->flags |= SMSG_ALREADY_REPLIED;
 966
 967         /* check if it's an early reply (called by the application) or
 968            a regular reply (called by ReceiveMessage) */
 969         if ( !(smsg->flags & SMSG_SENDING_REPLY) )
 970             smsg->flags |= SMSG_EARLY_REPLY;
 971
 972         smsg->flags |= SMSG_HAVE_RESULT;
 973
 974         LeaveCriticalSection(&senderQ->cSection);
 975
 976         /* tell the sending task that its reply is ready */
 977         QUEUE_SetWakeBit( senderQ, QS_SMRESULT );
 978
 979         /* switch directly to sending task (16 bit thread only) */
 980         if ( THREAD_IsWin16( NtCurrentTeb() ) && THREAD_IsWin16( senderQ->teb ) )
 981             DirectedYield16( senderQ->teb->htask16 );
 982
 983         ret = TRUE;
 984     }
 985
 986     if (smsg->flags & SMSG_SENDING_REPLY)
 987     {
 988         /* remove msg from the waiting list, since this is the last
 989           ReplyMessage */
 990         QUEUE_RemoveSMSG( queue, SM_WAITING_LIST, smsg );
 991
 992         if (senderQ) EnterCriticalSection(&senderQ->cSection);
 993
 994         /* tell the sender we're all done with smsg structure */
 995         smsg->flags |= SMSG_RECEIVED;
 996
 997         /* sender will set SMSG_RECEIVER_CLEANS_UP if it wants the
 998          receiver to clean up smsg, it could only happen when there is
 999          an early reply or a timeout */
1000         if ( smsg->flags & SMSG_RECEIVER_CLEANS )
1001         {
1002             TRACE_(sendmsg)("Receiver cleans up!\n" );
1003             HeapFree( SystemHeap, 0, smsg );
1004         }
1005
1006         if (senderQ) LeaveCriticalSection(&senderQ->cSection);
1007     }
1008
1009 ReplyMessageEnd:
1010     if ( senderQ )
1011     QUEUE_Unlock( senderQ );
1012     if ( queue )
1013     QUEUE_Unlock( queue );
1014
1015     return ret;
1016 }
1017
1018 /***********************************************************************
1019  *           MSG_ConvertMsg
1020  */
1021 static BOOL MSG_ConvertMsg( MSG *msg, int srcType, int dstType )
1022 {
1023     UINT16 msg16;
1024     MSGPARAM16 mp16;
1025
1026     switch ( MAKELONG( srcType, dstType ) )
1027     {
1028     case MAKELONG( QMSG_WIN16,  QMSG_WIN16 ):
1029     case MAKELONG( QMSG_WIN32A, QMSG_WIN32A ):
1030     case MAKELONG( QMSG_WIN32W, QMSG_WIN32W ):
1031         return TRUE;
1032
1033     case MAKELONG( QMSG_WIN16, QMSG_WIN32A ):
1034         switch ( WINPROC_MapMsg16To32A( msg->message, msg->wParam,
1035                                        &msg->message, &msg->wParam, &msg->lParam ) )
1036         {
1037         case 0:
1038             return TRUE;
1039         case 1:
1040             /* Pointer messages were mapped --> need to free allocated memory and fail */
1041             WINPROC_UnmapMsg16To32A( msg->hwnd, msg->message, msg->wParam, msg->lParam, 0 );
1042         default:
1043             return FALSE;
1044         }
1045
1046     case MAKELONG( QMSG_WIN16, QMSG_WIN32W ):
1047         switch ( WINPROC_MapMsg16To32W( msg->hwnd, msg->message, msg->wParam,
1048                                        &msg->message, &msg->wParam, &msg->lParam ) )
1049         {
1050         case 0:
1051             return TRUE;
1052         case 1:
1053             /* Pointer messages were mapped --> need to free allocated memory and fail */
1054             WINPROC_UnmapMsg16To32W( msg->hwnd, msg->message, msg->wParam, msg->lParam, 0 );
1055         default:
1056             return FALSE;
1057         }
1058
1059     case MAKELONG( QMSG_WIN32A, QMSG_WIN16 ):
1060         mp16.lParam = msg->lParam;
1061         switch ( WINPROC_MapMsg32ATo16( msg->hwnd, msg->message, msg->wParam,
1062                                         &msg16, &mp16.wParam, &mp16.lParam ) )
1063         {
1064         case 0:
1065             msg->message = msg16;
1066             msg->wParam  = mp16.wParam;
1067             msg->lParam  = mp16.lParam;
1068             return TRUE;
1069         case 1:
1070             /* Pointer messages were mapped --> need to free allocated memory and fail */
1071             WINPROC_UnmapMsg32ATo16( msg->hwnd, msg->message, msg->wParam, msg->lParam, &mp16 );
1072         default:
1073             return FALSE;
1074         }
1075
1076     case MAKELONG( QMSG_WIN32W, QMSG_WIN16 ):
1077         mp16.lParam = msg->lParam;
1078         switch ( WINPROC_MapMsg32WTo16( msg->hwnd, msg->message, msg->wParam,
1079                                         &msg16, &mp16.wParam, &mp16.lParam ) )
1080         {
1081         case 0:
1082             msg->message = msg16;
1083             msg->wParam  = mp16.wParam;
1084             msg->lParam  = mp16.lParam;
1085             return TRUE;
1086         case 1:
1087             /* Pointer messages were mapped --> need to free allocated memory and fail */
1088             WINPROC_UnmapMsg32WTo16( msg->hwnd, msg->message, msg->wParam, msg->lParam, &mp16 );
1089         default:
1090             return FALSE;
1091         }
1092
1093     case MAKELONG( QMSG_WIN32A, QMSG_WIN32W ):
1094         switch ( WINPROC_MapMsg32ATo32W( msg->hwnd, msg->message, &msg->wParam, &msg->lParam ) )
1095         {
1096         case 0:
1097             return TRUE;
1098         case 1:
1099             /* Pointer messages were mapped --> need to free allocated memory and fail */
1100             WINPROC_UnmapMsg32ATo32W( msg->hwnd, msg->message, msg->wParam, msg->lParam );
1101         default:
1102             return FALSE;
1103         }
1104
1105     case MAKELONG( QMSG_WIN32W, QMSG_WIN32A ):
1106         switch ( WINPROC_MapMsg32WTo32A( msg->hwnd, msg->message, &msg->wParam, &msg->lParam ) )
1107         {
1108         case 0:
1109             return TRUE;
1110         case 1:
1111             /* Pointer messages were mapped --> need to free allocated memory and fail */
1112             WINPROC_UnmapMsg32WTo32A( msg->hwnd, msg->message, msg->wParam, msg->lParam );
1113         default:
1114             return FALSE;
1115         }
1116
1117     default:
1118         FIXME( "Invalid message type(s): %d / %d\n", srcType, dstType );
1119         return FALSE;
1120     }
1121 }
1122
1123 /***********************************************************************
1124  *           MSG_PeekMessage
1125  */
1126 static BOOL MSG_PeekMessage( int type, LPMSG msg, HWND hwnd,
1127                              DWORD first, DWORD last, WORD flags, BOOL peek )
1128 {
1129     int mask;
1130     MESSAGEQUEUE *msgQueue;
1131     HQUEUE16 hQueue;
1132     int iWndsLocks;
1133
1134     mask = QS_POSTMESSAGE | QS_SENDMESSAGE;  /* Always selected */
1135     if (first || last)
1136     {
1137         if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
1138         if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
1139              ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
1140         if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
1141         if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
1142         if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
1143     }
1144     else mask |= QS_MOUSE | QS_KEY | QS_TIMER | QS_PAINT;
1145
1146     if (IsTaskLocked16()) flags |= PM_NOYIELD;
1147
1148     /* Never yield on Win32 threads */
1149     if (!THREAD_IsWin16(NtCurrentTeb())) flags |= PM_NOYIELD;
1150
1151     iWndsLocks = WIN_SuspendWndsLock();
1152
1153     while(1)
1154     {
1155         QMSG *qmsg;
1156
1157         hQueue   = GetFastQueue16();
1158         msgQueue = (MESSAGEQUEUE *)QUEUE_Lock( hQueue );
1159         if (!msgQueue)
1160         {
1161             WIN_RestoreWndsLock(iWndsLocks);
1162             return FALSE;
1163         }
1164         msgQueue->changeBits = 0;
1165
1166         /* First handle a message put by SendMessage() */
1167
1168         while (msgQueue->wakeBits & QS_SENDMESSAGE)
1169             QUEUE_ReceiveMessage( msgQueue );
1170
1171         /* Now handle a WM_QUIT message */
1172
1173         if (msgQueue->wPostQMsg &&
1174            (!first || WM_QUIT >= first) &&
1175            (!last || WM_QUIT <= last) )
1176         {
1177             msg->hwnd    = hwnd;
1178             msg->message = WM_QUIT;
1179             msg->wParam  = msgQueue->wExitCode;
1180             msg->lParam  = 0;
1181             if (flags & PM_REMOVE) msgQueue->wPostQMsg = 0;
1182             break;
1183         }
1184
1185         /* Now find a normal message */
1186
1187   retry:
1188         if (((msgQueue->wakeBits & mask) & QS_POSTMESSAGE) &&
1189             ((qmsg = QUEUE_FindMsg( msgQueue, hwnd, first, last )) != 0))
1190         {
1191             /* Try to convert message to requested type */
1192             MSG tmpMsg = qmsg->msg;
1193             if ( !MSG_ConvertMsg( &tmpMsg, qmsg->type, type ) )
1194             {
1195                 ERR( "Message %s of wrong type contains pointer parameters. Skipped!\n",
1196                     SPY_GetMsgName(tmpMsg.message));
1197                 QUEUE_RemoveMsg( msgQueue, qmsg );
1198                 goto retry;
1199             }
1200
1201             *msg = tmpMsg;
1202             msgQueue->GetMessageTimeVal      = msg->time;
1203             msgQueue->GetMessagePosVal       = MAKELONG( (INT16)msg->pt.x, (INT16)msg->pt.y );
1204             msgQueue->GetMessageExtraInfoVal = qmsg->extraInfo;
1205
1206             if (flags & PM_REMOVE) QUEUE_RemoveMsg( msgQueue, qmsg );
1207             break;
1208         }
1209
1210         msgQueue->changeBits |= MSG_JournalPlayBackMsg();
1211
1212         /* Now find a hardware event */
1213
1214         if (MSG_PeekHardwareMsg( msg, hwnd, first, last, flags & PM_REMOVE ))
1215         {
1216             /* Got one */
1217             msgQueue->GetMessageTimeVal      = msg->time;
1218             msgQueue->GetMessagePosVal       = MAKELONG( (INT16)msg->pt.x, (INT16)msg->pt.y );
1219             msgQueue->GetMessageExtraInfoVal = 0;  /* Always 0 for now */
1220             break;
1221         }
1222
1223         /* Check again for SendMessage */
1224
1225         while (msgQueue->wakeBits & QS_SENDMESSAGE)
1226             QUEUE_ReceiveMessage( msgQueue );
1227
1228         /* Now find a WM_PAINT message */
1229
1230         if ((msgQueue->wakeBits & mask) & QS_PAINT)
1231         {
1232             WND* wndPtr;
1233             msg->hwnd = WIN_FindWinToRepaint( hwnd , hQueue );
1234             msg->message = WM_PAINT;
1235             msg->wParam = 0;
1236             msg->lParam = 0;
1237
1238             if ((wndPtr = WIN_FindWndPtr(msg->hwnd)))
1239             {
1240                 if( wndPtr->dwStyle & WS_MINIMIZE &&
1241                     (HICON) GetClassLongA(wndPtr->hwndSelf, GCL_HICON) )
1242                 {
1243                     msg->message = WM_PAINTICON;
1244                     msg->wParam = 1;
1245                 }
1246
1247                 if( !hwnd || msg->hwnd == hwnd || IsChild16(hwnd,msg->hwnd) )
1248                 {
1249                     if( wndPtr->flags & WIN_INTERNAL_PAINT && !wndPtr->hrgnUpdate)
1250                     {
1251                         wndPtr->flags &= ~WIN_INTERNAL_PAINT;
1252                         QUEUE_DecPaintCount( hQueue );
1253                     }
1254                     WIN_ReleaseWndPtr(wndPtr);
1255                     break;
1256                 }
1257                 WIN_ReleaseWndPtr(wndPtr);
1258             }
1259         }
1260
1261         /* Check for timer messages, but yield first */
1262
1263         if (!(flags & PM_NOYIELD))
1264         {
1265             UserYield16();
1266             while (msgQueue->wakeBits & QS_SENDMESSAGE)
1267                 QUEUE_ReceiveMessage( msgQueue );
1268         }
1269         if ((msgQueue->wakeBits & mask) & QS_TIMER)
1270         {
1271             if (TIMER_GetTimerMsg(msg, hwnd, hQueue, flags & PM_REMOVE)) break;
1272         }
1273
1274         if (peek)
1275         {
1276             if (!(flags & PM_NOYIELD)) UserYield16();
1277
1278             QUEUE_Unlock( msgQueue );
1279             WIN_RestoreWndsLock(iWndsLocks);
1280             return FALSE;
1281         }
1282         msgQueue->wakeMask = mask;
1283         QUEUE_WaitBits( mask, INFINITE );
1284         QUEUE_Unlock( msgQueue );
1285     }
1286
1287     WIN_RestoreWndsLock(iWndsLocks);
1288
1289     /* instead of unlocking queue for every break condition, all break
1290        condition will fall here */
1291     QUEUE_Unlock( msgQueue );
1292
1293       /* We got a message */
1294     if (flags & PM_REMOVE)
1295     {
1296         WORD message = msg->message;
1297
1298         if (message == WM_KEYDOWN || message == WM_SYSKEYDOWN)
1299         {
1300             BYTE *p = &QueueKeyStateTable[msg->wParam & 0xff];
1301
1302             if (!(*p & 0x80))
1303                 *p ^= 0x01;
1304             *p |= 0x80;
1305         }
1306         else if (message == WM_KEYUP || message == WM_SYSKEYUP)
1307             QueueKeyStateTable[msg->wParam & 0xff] &= ~0x80;
1308     }
1309
1310     if (peek)
1311         return TRUE;
1312
1313     else
1314         return (msg->message != WM_QUIT);
1315 }
1316
1317 /***********************************************************************
1318  *           MSG_InternalGetMessage
1319  *
1320  * GetMessage() function for internal use. Behave like GetMessage(),
1321  * but also call message filters and optionally send WM_ENTERIDLE messages.
1322  * 'hwnd' must be the handle of the dialog or menu window.
1323  * 'code' is the message filter value (MSGF_??? codes).
1324  */
1325 BOOL MSG_InternalGetMessage( int type, MSG *msg, HWND hwnd, HWND hwndOwner,
1326                              WPARAM code, WORD flags, BOOL sendIdle, BOOL* idleSent )
1327 {
1328     for (;;)
1329     {
1330         if (sendIdle)
1331         {
1332             if (!MSG_PeekMessage( type, msg, 0, 0, 0, flags, TRUE ))
1333             {
1334                   /* No message present -> send ENTERIDLE and wait */
1335                 if (IsWindow(hwndOwner))
1336                 {
1337                     SendMessageA( hwndOwner, WM_ENTERIDLE,
1338                                    code, (LPARAM)hwnd );
1339
1340                     if (idleSent!=NULL)
1341                       *idleSent=TRUE;
1342                 }
1343                 MSG_PeekMessage( type, msg, 0, 0, 0, flags, FALSE );
1344             }
1345         }
1346         else  /* Always wait for a message */
1347             MSG_PeekMessage( type, msg, 0, 0, 0, flags, FALSE );
1348
1349         /* Call message filters */
1350
1351         if (HOOK_IsHooked( WH_SYSMSGFILTER ) || HOOK_IsHooked( WH_MSGFILTER ))
1352         {
1353             MSG *pmsg = HeapAlloc( SystemHeap, 0, sizeof(MSG) );
1354             if (pmsg)
1355             {
1356                 BOOL ret;
1357                 *pmsg = *msg;
1358                 ret = (HOOK_CallHooksA( WH_SYSMSGFILTER, code, 0,
1359                                           (LPARAM) pmsg ) ||
1360                        HOOK_CallHooksA( WH_MSGFILTER, code, 0,
1361                                           (LPARAM) pmsg ));
1362
1363                 HeapFree( SystemHeap, 0, pmsg );
1364                 if (ret)
1365                 {
1366                     /* Message filtered -> remove it from the queue */
1367                     /* if it's still there. */
1368                     if (!(flags & PM_REMOVE))
1369                         MSG_PeekMessage( type, msg, 0, 0, 0, PM_REMOVE, TRUE );
1370                     continue;
1371                 }
1372             }
1373         }
1374
1375         return (msg->message != WM_QUIT);
1376     }
1377 }
1378
1379
1380 /***********************************************************************
1381  *              PeekMessage32 (USER.819)
1382  */
1383 BOOL16 WINAPI PeekMessage32_16( SEGPTR msg16_32, HWND16 hwnd,
1384                                 UINT16 first, UINT16 last, UINT16 flags,
1385                                 BOOL16 wHaveParamHigh )
1386 {
1387     BOOL ret;
1388     MSG32_16 *lpmsg16_32 = MapSL(msg16_32);
1389     MSG msg;
1390
1391     ret = MSG_PeekMessage( QMSG_WIN16, &msg, hwnd, first, last, flags, TRUE );
1392
1393     lpmsg16_32->msg.hwnd    = msg.hwnd;
1394     lpmsg16_32->msg.message = msg.message;
1395     lpmsg16_32->msg.wParam  = LOWORD(msg.wParam);
1396     lpmsg16_32->msg.lParam  = msg.lParam;
1397     lpmsg16_32->msg.time    = msg.time;
1398     lpmsg16_32->msg.pt.x    = (INT16)msg.pt.x;
1399     lpmsg16_32->msg.pt.y    = (INT16)msg.pt.y;
1400
1401     if ( wHaveParamHigh )
1402         lpmsg16_32->wParamHigh = HIWORD(msg.wParam);
1403
1404     HOOK_CallHooks16( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg16_32 );
1405     return ret;
1406 }
1407
1408 /***********************************************************************
1409  *              PeekMessage (USER.109)
1410  */
1411 BOOL16 WINAPI PeekMessage16( SEGPTR msg, HWND16 hwnd,
1412                              UINT16 first, UINT16 last, UINT16 flags )
1413 {
1414     return PeekMessage32_16( msg, hwnd, first, last, flags, FALSE );
1415 }
1416
1417 /***********************************************************************
1418  *              PeekMessageA (USER32.@)
1419  */
1420 BOOL WINAPI PeekMessageA( LPMSG lpmsg, HWND hwnd,
1421                           UINT min, UINT max, UINT wRemoveMsg)
1422 {
1423     BOOL ret = MSG_PeekMessage( QMSG_WIN32A, lpmsg, hwnd, min, max, wRemoveMsg, TRUE );
1424
1425     TRACE( "peekmessage %04x, hwnd %04x, filter(%04x - %04x)\n",
1426            lpmsg->message, hwnd, min, max );
1427
1428     if (ret) HOOK_CallHooksA( WH_GETMESSAGE, HC_ACTION,
1429                               wRemoveMsg & PM_REMOVE, (LPARAM)lpmsg );
1430     return ret;
1431 }
1432
1433 /***********************************************************************
1434  *              PeekMessageW (USER32.@) Check queue for messages
1435  *
1436  * Checks for a message in the thread's queue, filtered as for
1437  * GetMessage(). Returns immediately whether a message is available
1438  * or not.
1439  *
1440  * Whether a retrieved message is removed from the queue is set by the
1441  * _wRemoveMsg_ flags, which should be one of the following values:
1442  *
1443  *    PM_NOREMOVE    Do not remove the message from the queue.
1444  *
1445  *    PM_REMOVE      Remove the message from the queue.
1446  *
1447  * In addition, PM_NOYIELD may be combined into _wRemoveMsg_ to
1448  * request that the system not yield control during PeekMessage();
1449  * however applications may not rely on scheduling behavior.
1450  *
1451  * RETURNS
1452  *
1453  *  Nonzero if a message is available and is retrieved, zero otherwise.
1454  *
1455  * CONFORMANCE
1456  *
1457  * ECMA-234, Win32
1458  *
1459  */
1460 BOOL WINAPI PeekMessageW(
1461   LPMSG lpmsg,    /* [out] buffer to receive message */
1462   HWND hwnd,      /* [in] restrict to messages for hwnd */
1463   UINT min,       /* [in] minimum message to receive */
1464   UINT max,       /* [in] maximum message to receive */
1465   UINT wRemoveMsg /* [in] removal flags */
1466 )
1467 {
1468     BOOL ret = MSG_PeekMessage( QMSG_WIN32W, lpmsg, hwnd, min, max, wRemoveMsg, TRUE );
1469     if (ret) HOOK_CallHooksW( WH_GETMESSAGE, HC_ACTION,
1470                               wRemoveMsg & PM_REMOVE, (LPARAM)lpmsg );
1471     return ret;
1472 }
1473
1474
1475 /***********************************************************************
1476  *              GetMessage32 (USER.820)
1477  */
1478 BOOL16 WINAPI GetMessage32_16( SEGPTR msg16_32, HWND16 hWnd, UINT16 first,
1479                                UINT16 last, BOOL16 wHaveParamHigh )
1480 {
1481     MSG32_16 *lpmsg16_32 = MapSL(msg16_32);
1482     MSG msg;
1483
1484     MSG_PeekMessage( QMSG_WIN16, &msg, hWnd, first, last, PM_REMOVE, FALSE );
1485
1486     lpmsg16_32->msg.hwnd    = msg.hwnd;
1487     lpmsg16_32->msg.message = msg.message;
1488     lpmsg16_32->msg.wParam  = LOWORD(msg.wParam);
1489     lpmsg16_32->msg.lParam  = msg.lParam;
1490     lpmsg16_32->msg.time    = msg.time;
1491     lpmsg16_32->msg.pt.x    = (INT16)msg.pt.x;
1492     lpmsg16_32->msg.pt.y    = (INT16)msg.pt.y;
1493
1494     if ( wHaveParamHigh )
1495         lpmsg16_32->wParamHigh = HIWORD(msg.wParam);
1496
1497     TRACE( "message %04x, hwnd %04x, filter(%04x - %04x)\n",
1498            lpmsg16_32->msg.message, hWnd, first, last );
1499
1500     HOOK_CallHooks16( WH_GETMESSAGE, HC_ACTION, PM_REMOVE, (LPARAM)msg16_32 );
1501     return lpmsg16_32->msg.message != WM_QUIT;
1502 }
1503
1504 /***********************************************************************
1505  *              GetMessage (USER.108)
1506  */
1507 BOOL16 WINAPI GetMessage16( SEGPTR msg, HWND16 hwnd, UINT16 first, UINT16 last)
1508 {
1509     return GetMessage32_16( msg, hwnd, first, last, FALSE );
1510 }
1511
1512 /***********************************************************************
1513  *              GetMessageA (USER32.@)
1514  */
1515 BOOL WINAPI GetMessageA( MSG *lpmsg, HWND hwnd, UINT min, UINT max )
1516 {
1517     MSG_PeekMessage( QMSG_WIN32A, lpmsg, hwnd, min, max, PM_REMOVE, FALSE );
1518
1519     TRACE( "message %04x, hwnd %04x, filter(%04x - %04x)\n",
1520            lpmsg->message, hwnd, min, max );
1521
1522     HOOK_CallHooksA( WH_GETMESSAGE, HC_ACTION, PM_REMOVE, (LPARAM)lpmsg );
1523     return lpmsg->message != WM_QUIT;
1524 }
1525
1526 /***********************************************************************
1527  *              GetMessageW (USER32.@) Retrieve next message
1528  *
1529  * GetMessage retrieves the next event from the calling thread's
1530  * queue and deposits it in *lpmsg.
1531  *
1532  * If _hwnd_ is not NULL, only messages for window _hwnd_ and its
1533  * children as specified by IsChild() are retrieved. If _hwnd_ is NULL
1534  * all application messages are retrieved.
1535  *
1536  * _min_ and _max_ specify the range of messages of interest. If
1537  * min==max==0, no filtering is performed. Useful examples are
1538  * WM_KEYFIRST and WM_KEYLAST to retrieve keyboard input, and
1539  * WM_MOUSEFIRST and WM_MOUSELAST to retrieve mouse input.
1540  *
1541  * WM_PAINT messages are not removed from the queue; they remain until
1542  * processed. Other messages are removed from the queue.
1543  *
1544  * RETURNS
1545  *
1546  * -1 on error, 0 if message is WM_QUIT, nonzero otherwise.
1547  *
1548  * CONFORMANCE
1549  *
1550  * ECMA-234, Win32
1551  *
1552  */
1553 BOOL WINAPI GetMessageW(
1554   MSG* lpmsg, /* [out] buffer to receive message */
1555   HWND hwnd,  /* [in] restrict to messages for hwnd */
1556   UINT min,   /* [in] minimum message to receive */
1557   UINT max    /* [in] maximum message to receive */
1558 )
1559 {
1560     MSG_PeekMessage( QMSG_WIN32W, lpmsg, hwnd, min, max, PM_REMOVE, FALSE );
1561
1562     TRACE( "message %04x, hwnd %04x, filter(%04x - %04x)\n",
1563            lpmsg->message, hwnd, min, max );
1564
1565     HOOK_CallHooksW( WH_GETMESSAGE, HC_ACTION, PM_REMOVE, (LPARAM)lpmsg );
1566     return lpmsg->message != WM_QUIT;
1567 }
1568
1569 /***********************************************************************
1570  *           MSG_PostToQueue
1571  */
1572 static BOOL MSG_PostToQueue( HQUEUE16 hQueue, int type, HWND hwnd,
1573                              UINT message, WPARAM wParam, LPARAM lParam )
1574 {
1575     MSG msg;
1576
1577     if ( !hQueue ) return FALSE;
1578
1579     msg.hwnd    = hwnd;
1580     msg.message = message;
1581     msg.wParam  = wParam;
1582     msg.lParam  = lParam;
1583     msg.time    = GetTickCount();
1584     GetCursorPos(&msg.pt);
1585
1586     return QUEUE_AddMsg( hQueue, type, &msg, 0 );
1587 }
1588
1589 /***********************************************************************
1590  *           MSG_PostMessage
1591  */
1592 static BOOL MSG_PostMessage( int type, HWND hwnd, UINT message,
1593                              WPARAM wParam, LPARAM lParam )
1594 {
1595     HQUEUE16 hQueue;
1596     WND *wndPtr;
1597
1598     if (hwnd == HWND_BROADCAST)
1599     {
1600         WND *pDesktop = WIN_GetDesktop();
1601         TRACE("HWND_BROADCAST !\n");
1602
1603         for (wndPtr=WIN_LockWndPtr(pDesktop->child); wndPtr; WIN_UpdateWndPtr(&wndPtr,wndPtr->next))
1604         {
1605             if (wndPtr->dwStyle & WS_POPUP || wndPtr->dwStyle & WS_CAPTION)
1606             {
1607                 TRACE("BROADCAST Message to hWnd=%04x m=%04X w=%04X l=%08lX !\n",
1608                       wndPtr->hwndSelf, message, wParam, lParam);
1609                 MSG_PostToQueue( wndPtr->hmemTaskQ, type,
1610                                  wndPtr->hwndSelf, message, wParam, lParam );
1611             }
1612         }
1613         WIN_ReleaseDesktop();
1614         TRACE("End of HWND_BROADCAST !\n");
1615         return TRUE;
1616     }
1617
1618     wndPtr = WIN_FindWndPtr( hwnd );
1619     hQueue = wndPtr? wndPtr->hmemTaskQ : 0;
1620     WIN_ReleaseWndPtr(wndPtr);
1621
1622     return MSG_PostToQueue( hQueue, type, hwnd, message, wParam, lParam );
1623 }
1624
1625 /***********************************************************************
1626  *              PostMessage (USER.110)
1627  */
1628 BOOL16 WINAPI PostMessage16( HWND16 hwnd, UINT16 message, WPARAM16 wParam,
1629                              LPARAM lParam )
1630 {
1631     return (BOOL16) MSG_PostMessage( QMSG_WIN16, hwnd, message, wParam, lParam );
1632 }
1633
1634 /***********************************************************************
1635  *              PostMessageA (USER32.@)
1636  */
1637 BOOL WINAPI PostMessageA( HWND hwnd, UINT message, WPARAM wParam,
1638                           LPARAM lParam )
1639 {
1640     return MSG_PostMessage( QMSG_WIN32A, hwnd, message, wParam, lParam );
1641 }
1642
1643 /***********************************************************************
1644  *              PostMessageW (USER32.@)
1645  */
1646 BOOL WINAPI PostMessageW( HWND hwnd, UINT message, WPARAM wParam,
1647                           LPARAM lParam )
1648 {
1649     return MSG_PostMessage( QMSG_WIN32W, hwnd, message, wParam, lParam );
1650 }
1651
1652 /***********************************************************************
1653  *              PostAppMessage (USER.116)
1654  *              PostAppMessage16 (USER32.@)
1655  */
1656 BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 message,
1657                                 WPARAM16 wParam, LPARAM lParam )
1658 {
1659     return MSG_PostToQueue( GetTaskQueue16(hTask), QMSG_WIN16,
1660                             0, message, wParam, lParam );
1661 }
1662
1663 /**********************************************************************
1664  *              PostThreadMessageA (USER32.@)
1665  */
1666 BOOL WINAPI PostThreadMessageA( DWORD idThread, UINT message,
1667                                 WPARAM wParam, LPARAM lParam )
1668 {
1669     return MSG_PostToQueue( GetThreadQueue16(idThread), QMSG_WIN32A,
1670                             0, message, wParam, lParam );
1671 }
1672
1673 /**********************************************************************
1674  *              PostThreadMessageW (USER32.@)
1675  */
1676 BOOL WINAPI PostThreadMessageW( DWORD idThread, UINT message,
1677                                  WPARAM wParam, LPARAM lParam )
1678 {
1679     return MSG_PostToQueue( GetThreadQueue16(idThread), QMSG_WIN32W,
1680                             0, message, wParam, lParam );
1681 }
1682
1683
1684 /************************************************************************
1685  *           MSG_CallWndProcHook32
1686  */
1687 static void  MSG_CallWndProcHook( LPMSG pmsg, BOOL bUnicode )
1688 {
1689    CWPSTRUCT cwp;
1690
1691    cwp.lParam = pmsg->lParam;
1692    cwp.wParam = pmsg->wParam;
1693    cwp.message = pmsg->message;
1694    cwp.hwnd = pmsg->hwnd;
1695
1696    if (bUnicode) HOOK_CallHooksW(WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp);
1697    else HOOK_CallHooksA( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp );
1698
1699    pmsg->lParam = cwp.lParam;
1700    pmsg->wParam = cwp.wParam;
1701    pmsg->message = cwp.message;
1702    pmsg->hwnd = cwp.hwnd;
1703 }
1704
1705
1706 /***********************************************************************
1707  *           MSG_SendMessage
1708  *
1709  * return values: 0 if timeout occurs
1710  *                1 otherwise
1711  */
1712 static LRESULT MSG_SendMessage( HWND hwnd, UINT msg, WPARAM wParam,
1713                          LPARAM lParam, DWORD timeout, WORD flags,
1714                          LRESULT *pRes)
1715 {
1716     WND * wndPtr = 0;
1717     WND **list, **ppWnd;
1718     LRESULT ret = 1;
1719
1720     if (pRes) *pRes = 0;
1721
1722     if (hwnd == HWND_BROADCAST|| hwnd == HWND_TOPMOST)
1723     {
1724         if (pRes) *pRes = 1;
1725
1726         if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
1727         {
1728             WIN_ReleaseDesktop();
1729             return 1;
1730         }
1731         WIN_ReleaseDesktop();
1732
1733         TRACE("HWND_BROADCAST !\n");
1734         for (ppWnd = list; *ppWnd; ppWnd++)
1735         {
1736             WIN_UpdateWndPtr(&wndPtr,*ppWnd);
1737             if (!IsWindow(wndPtr->hwndSelf)) continue;
1738             if (wndPtr->dwStyle & WS_POPUP || wndPtr->dwStyle & WS_CAPTION)
1739             {
1740                 TRACE("BROADCAST Message to hWnd=%04x m=%04X w=%04lX l=%08lX !\n",
1741                       wndPtr->hwndSelf, msg, (DWORD)wParam, lParam);
1742                 MSG_SendMessage( wndPtr->hwndSelf, msg, wParam, lParam,
1743                                timeout, flags, pRes);
1744             }
1745         }
1746         WIN_ReleaseWndPtr(wndPtr);
1747         WIN_ReleaseWinArray(list);
1748         TRACE("End of HWND_BROADCAST !\n");
1749         return 1;
1750     }
1751
1752     if (HOOK_IsHooked( WH_CALLWNDPROC ))
1753     {
1754         if (flags & SMSG_UNICODE)
1755             MSG_CallWndProcHook( (LPMSG)&hwnd, TRUE);
1756         else if (flags & SMSG_WIN32)
1757             MSG_CallWndProcHook( (LPMSG)&hwnd, FALSE);
1758         else
1759         {
1760         LPCWPSTRUCT16 pmsg;
1761
1762         if ((pmsg = SEGPTR_NEW(CWPSTRUCT16)))
1763         {
1764                 pmsg->hwnd   = hwnd & 0xffff;
1765                 pmsg->message= msg & 0xffff;
1766                 pmsg->wParam = wParam & 0xffff;
1767             pmsg->lParam = lParam;
1768             HOOK_CallHooks16( WH_CALLWNDPROC, HC_ACTION, 1,
1769                               (LPARAM)SEGPTR_GET(pmsg) );
1770             hwnd   = pmsg->hwnd;
1771             msg    = pmsg->message;
1772             wParam = pmsg->wParam;
1773             lParam = pmsg->lParam;
1774             SEGPTR_FREE( pmsg );
1775         }
1776     }
1777     }
1778
1779     if (!(wndPtr = WIN_FindWndPtr( hwnd )))
1780     {
1781         WARN("invalid hwnd %04x\n", hwnd );
1782         return 0;
1783     }
1784     if (QUEUE_IsExitingQueue(wndPtr->hmemTaskQ))
1785     {
1786         ret = 0;  /* Don't send anything if the task is dying */
1787         goto END;
1788     }
1789     if (flags & SMSG_WIN32)
1790         SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wParam, lParam );
1791     else
1792         SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wParam, lParam );
1793
1794     if (wndPtr->hmemTaskQ != GetFastQueue16())
1795         ret = MSG_SendMessageInterThread( wndPtr->hmemTaskQ, hwnd, msg,
1796                                           wParam, lParam, timeout, flags, pRes );
1797     else
1798     {
1799         LRESULT res;
1800
1801         /* Call the right CallWindowProc flavor */
1802         if (flags & SMSG_UNICODE)
1803             res = CallWindowProcW( (WNDPROC)wndPtr->winproc,
1804                                    hwnd, msg, wParam, lParam );
1805         else if (flags & SMSG_WIN32)
1806             res = CallWindowProcA( (WNDPROC)wndPtr->winproc,
1807                                    hwnd, msg, wParam, lParam );
1808         else
1809             res = CallWindowProc16( (WNDPROC16)wndPtr->winproc,
1810                                     (HWND16) hwnd, (UINT16) msg,
1811                                     (WPARAM16) wParam, lParam );
1812         if (pRes) *pRes = res;
1813     }
1814
1815     if (flags & SMSG_WIN32)
1816         SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, pRes?*pRes:0, wParam, lParam );
1817     else
1818         SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, pRes?*pRes:0, wParam, lParam );
1819 END:
1820     WIN_ReleaseWndPtr(wndPtr);
1821     return ret;
1822 }
1823
1824
1825 /***********************************************************************
1826  *              SendMessage (USER.111)
1827  */
1828 LRESULT WINAPI SendMessage16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
1829                               LPARAM lParam)
1830 {
1831     LRESULT res;
1832     MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, 0, &res);
1833     return res;
1834 }
1835
1836
1837 /***********************************************************************
1838  *              SendMessageA (USER32.@)
1839  */
1840 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wParam,
1841                                LPARAM lParam )
1842         {
1843     LRESULT res;
1844
1845     MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE,
1846                     SMSG_WIN32, &res);
1847
1848     return res;
1849 }
1850
1851
1852 /***********************************************************************
1853  *              SendMessageW (USER32.@) Send Window Message
1854  *
1855  *  Sends a message to the window procedure of the specified window.
1856  *  SendMessage() will not return until the called window procedure
1857  *  either returns or calls ReplyMessage().
1858  *
1859  *  Use PostMessage() to send message and return immediately. A window
1860  *  procedure may use InSendMessage() to detect
1861  *  SendMessage()-originated messages.
1862  *
1863  *  Applications which communicate via HWND_BROADCAST may use
1864  *  RegisterWindowMessage() to obtain a unique message to avoid conflicts
1865  *  with other applications.
1866  *
1867  * CONFORMANCE
1868  *
1869  *  ECMA-234, Win32
1870  */
1871 LRESULT WINAPI SendMessageW(
1872   HWND hwnd,     /* [in] Window to send message to. If HWND_BROADCAST,
1873                          the message will be sent to all top-level windows. */
1874
1875   UINT msg,      /* [in] message */
1876   WPARAM wParam, /* [in] message parameter */
1877   LPARAM lParam  /* [in] additional message parameter */
1878 ) {
1879     LRESULT res;
1880
1881     MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE,
1882                     SMSG_WIN32 | SMSG_UNICODE, &res);
1883
1884     return res;
1885 }
1886
1887
1888 /***********************************************************************
1889  *              SendMessageTimeout (not a WINAPI)
1890  */
1891 LRESULT WINAPI SendMessageTimeout16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
1892                                      LPARAM lParam, UINT16 flags,
1893                                      UINT16 timeout, LPWORD resultp)
1894 {
1895     LRESULT ret;
1896     LRESULT msgRet;
1897
1898     /* FIXME: need support for SMTO_BLOCK */
1899
1900     ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout, 0, &msgRet);
1901     if (resultp) *resultp = (WORD) msgRet;
1902     return ret;
1903 }
1904
1905
1906 /***********************************************************************
1907  *              SendMessageTimeoutA (USER32.@)
1908  */
1909 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wParam,
1910                                       LPARAM lParam, UINT flags,
1911                                       UINT timeout, LPDWORD resultp)
1912 {
1913     LRESULT ret;
1914     LRESULT msgRet;
1915
1916     /* FIXME: need support for SMTO_BLOCK */
1917
1918     ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout, SMSG_WIN32,
1919                           &msgRet);
1920
1921     if (resultp) *resultp = (DWORD) msgRet;
1922     return ret;
1923 }
1924
1925
1926 /***********************************************************************
1927  *              SendMessageTimeoutW (USER32.@)
1928  */
1929 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wParam,
1930                                       LPARAM lParam, UINT flags,
1931                                       UINT timeout, LPDWORD resultp)
1932 {
1933     LRESULT ret;
1934     LRESULT msgRet;
1935
1936     /* FIXME: need support for SMTO_BLOCK */
1937
1938     ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout,
1939                           SMSG_WIN32 | SMSG_UNICODE, &msgRet);
1940
1941     if (resultp) *resultp = (DWORD) msgRet;
1942     return ret;
1943 }
1944
1945
1946 /***********************************************************************
1947  *              WaitMessage (USER.112) (USER32.@) Suspend thread pending messages
1948  *
1949  * WaitMessage() suspends a thread until events appear in the thread's
1950  * queue.
1951  *
1952  * BUGS
1953  *
1954  * Is supposed to return BOOL under Win32.
1955  *
1956  * Thread-local message queues are not supported.
1957  *
1958  * CONFORMANCE
1959  *
1960  * ECMA-234, Win32
1961  *
1962  */
1963 void WINAPI WaitMessage( void )
1964 {
1965     QUEUE_WaitBits( QS_ALLINPUT, INFINITE );
1966 }
1967
1968 /***********************************************************************
1969  *              MsgWaitForMultipleObjects (USER32.@)
1970  */
1971 DWORD WINAPI MsgWaitForMultipleObjects( DWORD nCount, HANDLE *pHandles,
1972                                         BOOL fWaitAll, DWORD dwMilliseconds,
1973                                         DWORD dwWakeMask )
1974 {
1975     DWORD i;
1976     HANDLE handles[MAXIMUM_WAIT_OBJECTS];
1977     DWORD ret;
1978
1979     HQUEUE16 hQueue = GetFastQueue16();
1980     MESSAGEQUEUE *msgQueue = (MESSAGEQUEUE *)QUEUE_Lock( hQueue );
1981     if (!msgQueue) return WAIT_FAILED;
1982
1983     if (nCount > MAXIMUM_WAIT_OBJECTS-1)
1984     {
1985         SetLastError( ERROR_INVALID_PARAMETER );
1986         QUEUE_Unlock( msgQueue );
1987         return WAIT_FAILED;
1988     }
1989
1990     msgQueue->changeBits = 0;
1991     msgQueue->wakeMask = dwWakeMask;
1992
1993     if (THREAD_IsWin16(NtCurrentTeb()))
1994     {
1995       /*
1996        * This is a temporary solution to a big problem.
1997        * You see, the main thread of all Win32 programs is created as a 16 bit
1998        * task. This means that if you wait on an event using Win32 synchronization
1999        * methods, the 16 bit scheduler is stopped and things might just stop happening.
2000        * This implements a semi-busy loop that checks the handles to wait on and
2001        * also the message queue. When either one is ready, the wait function returns.
2002        *
2003        * This will all go away when the real Win32 threads are implemented for all
2004        * the threads of an applications. Including the main thread.
2005        */
2006       DWORD curTime = GetCurrentTime();
2007
2008       do
2009       {
2010         /*
2011          * Check the handles in the list.
2012          */
2013         ret = WaitForMultipleObjects(nCount, pHandles, fWaitAll, 5L);
2014
2015         /*
2016          * If the handles have been triggered, return.
2017          */
2018         if (ret != WAIT_TIMEOUT)
2019           break;
2020
2021         /*
2022          * Then, let the 16 bit scheduler do it's thing.
2023          */
2024         K32WOWYield16();
2025
2026         /*
2027          * If a message matching the wait mask has arrived, return.
2028          */
2029         if (msgQueue->changeBits & dwWakeMask)
2030         {
2031           ret = nCount;
2032           break;
2033         }
2034
2035         /*
2036          * And continue doing this until we hit the timeout.
2037          */
2038       } while ((dwMilliseconds == INFINITE) || (GetCurrentTime()-curTime < dwMilliseconds) );
2039     }
2040     else
2041     {
2042     /* Add the thread event to the handle list */
2043       for (i = 0; i < nCount; i++)
2044         handles[i] = pHandles[i];
2045       handles[nCount] = msgQueue->server_queue;
2046       ret = WaitForMultipleObjects( nCount+1, handles, fWaitAll, dwMilliseconds );
2047     }
2048     QUEUE_Unlock( msgQueue );
2049     return ret;
2050 }
2051
2052
2053
2054 struct accent_char
2055 {
2056     BYTE ac_accent;
2057     BYTE ac_char;
2058     BYTE ac_result;
2059 };
2060
2061 static const struct accent_char accent_chars[] =
2062 {
2063 /* A good idea should be to read /usr/X11/lib/X11/locale/iso8859-x/Compose */
2064     {'`', 'A', '\300'},  {'`', 'a', '\340'},
2065     {'\'', 'A', '\301'}, {'\'', 'a', '\341'},
2066     {'^', 'A', '\302'},  {'^', 'a', '\342'},
2067     {'~', 'A', '\303'},  {'~', 'a', '\343'},
2068     {'"', 'A', '\304'},  {'"', 'a', '\344'},
2069     {'O', 'A', '\305'},  {'o', 'a', '\345'},
2070     {'0', 'A', '\305'},  {'0', 'a', '\345'},
2071     {'A', 'A', '\305'},  {'a', 'a', '\345'},
2072     {'A', 'E', '\306'},  {'a', 'e', '\346'},
2073     {',', 'C', '\307'},  {',', 'c', '\347'},
2074     {'`', 'E', '\310'},  {'`', 'e', '\350'},
2075     {'\'', 'E', '\311'}, {'\'', 'e', '\351'},
2076     {'^', 'E', '\312'},  {'^', 'e', '\352'},
2077     {'"', 'E', '\313'},  {'"', 'e', '\353'},
2078     {'`', 'I', '\314'},  {'`', 'i', '\354'},
2079     {'\'', 'I', '\315'}, {'\'', 'i', '\355'},
2080     {'^', 'I', '\316'},  {'^', 'i', '\356'},
2081     {'"', 'I', '\317'},  {'"', 'i', '\357'},
2082     {'-', 'D', '\320'},  {'-', 'd', '\360'},
2083     {'~', 'N', '\321'},  {'~', 'n', '\361'},
2084     {'`', 'O', '\322'},  {'`', 'o', '\362'},
2085     {'\'', 'O', '\323'}, {'\'', 'o', '\363'},
2086     {'^', 'O', '\324'},  {'^', 'o', '\364'},
2087     {'~', 'O', '\325'},  {'~', 'o', '\365'},
2088     {'"', 'O', '\326'},  {'"', 'o', '\366'},
2089     {'/', 'O', '\330'},  {'/', 'o', '\370'},
2090     {'`', 'U', '\331'},  {'`', 'u', '\371'},
2091     {'\'', 'U', '\332'}, {'\'', 'u', '\372'},
2092     {'^', 'U', '\333'},  {'^', 'u', '\373'},
2093     {'"', 'U', '\334'},  {'"', 'u', '\374'},
2094     {'\'', 'Y', '\335'}, {'\'', 'y', '\375'},
2095     {'T', 'H', '\336'},  {'t', 'h', '\376'},
2096     {'s', 's', '\337'},  {'"', 'y', '\377'},
2097     {'s', 'z', '\337'},  {'i', 'j', '\377'},
2098         /* iso-8859-2 uses this */
2099     {'<', 'L', '\245'},  {'<', 'l', '\265'},    /* caron */
2100     {'<', 'S', '\251'},  {'<', 's', '\271'},
2101     {'<', 'T', '\253'},  {'<', 't', '\273'},
2102     {'<', 'Z', '\256'},  {'<', 'z', '\276'},
2103     {'<', 'C', '\310'},  {'<', 'c', '\350'},
2104     {'<', 'E', '\314'},  {'<', 'e', '\354'},
2105     {'<', 'D', '\317'},  {'<', 'd', '\357'},
2106     {'<', 'N', '\322'},  {'<', 'n', '\362'},
2107     {'<', 'R', '\330'},  {'<', 'r', '\370'},
2108     {';', 'A', '\241'},  {';', 'a', '\261'},    /* ogonek */
2109     {';', 'E', '\312'},  {';', 'e', '\332'},
2110     {'\'', 'Z', '\254'}, {'\'', 'z', '\274'},   /* acute */
2111     {'\'', 'R', '\300'}, {'\'', 'r', '\340'},
2112     {'\'', 'L', '\305'}, {'\'', 'l', '\345'},
2113     {'\'', 'C', '\306'}, {'\'', 'c', '\346'},
2114     {'\'', 'N', '\321'}, {'\'', 'n', '\361'},
2115 /*  collision whith S, from iso-8859-9 !!! */
2116     {',', 'S', '\252'},  {',', 's', '\272'},    /* cedilla */
2117     {',', 'T', '\336'},  {',', 't', '\376'},
2118     {'.', 'Z', '\257'},  {'.', 'z', '\277'},    /* dot above */
2119     {'/', 'L', '\243'},  {'/', 'l', '\263'},    /* slash */
2120     {'/', 'D', '\320'},  {'/', 'd', '\360'},
2121     {'(', 'A', '\303'},  {'(', 'a', '\343'},    /* breve */
2122     {'\275', 'O', '\325'}, {'\275', 'o', '\365'},       /* double acute */
2123     {'\275', 'U', '\334'}, {'\275', 'u', '\374'},
2124     {'0', 'U', '\332'},  {'0', 'u', '\372'},    /* ring above */
2125         /* iso-8859-3 uses this */
2126     {'/', 'H', '\241'},  {'/', 'h', '\261'},    /* slash */
2127     {'>', 'H', '\246'},  {'>', 'h', '\266'},    /* circumflex */
2128     {'>', 'J', '\254'},  {'>', 'j', '\274'},
2129     {'>', 'C', '\306'},  {'>', 'c', '\346'},
2130     {'>', 'G', '\330'},  {'>', 'g', '\370'},
2131     {'>', 'S', '\336'},  {'>', 's', '\376'},
2132 /*  collision whith G( from iso-8859-9 !!!   */
2133     {'(', 'G', '\253'},  {'(', 'g', '\273'},    /* breve */
2134     {'(', 'U', '\335'},  {'(', 'u', '\375'},
2135 /*  collision whith I. from iso-8859-3 !!!   */
2136     {'.', 'I', '\251'},  {'.', 'i', '\271'},    /* dot above */
2137     {'.', 'C', '\305'},  {'.', 'c', '\345'},
2138     {'.', 'G', '\325'},  {'.', 'g', '\365'},
2139         /* iso-8859-4 uses this */
2140     {',', 'R', '\243'},  {',', 'r', '\263'},    /* cedilla */
2141     {',', 'L', '\246'},  {',', 'l', '\266'},
2142     {',', 'G', '\253'},  {',', 'g', '\273'},
2143     {',', 'N', '\321'},  {',', 'n', '\361'},
2144     {',', 'K', '\323'},  {',', 'k', '\363'},
2145     {'~', 'I', '\245'},  {'~', 'i', '\265'},    /* tilde */
2146     {'-', 'E', '\252'},  {'-', 'e', '\272'},    /* macron */
2147     {'-', 'A', '\300'},  {'-', 'a', '\340'},
2148     {'-', 'I', '\317'},  {'-', 'i', '\357'},
2149     {'-', 'O', '\322'},  {'-', 'o', '\362'},
2150     {'-', 'U', '\336'},  {'-', 'u', '\376'},
2151     {'/', 'T', '\254'},  {'/', 't', '\274'},    /* slash */
2152     {'.', 'E', '\314'},  {'.', 'e', '\344'},    /* dot above */
2153     {';', 'I', '\307'},  {';', 'i', '\347'},    /* ogonek */
2154     {';', 'U', '\331'},  {';', 'u', '\371'},
2155         /* iso-8859-9 uses this */
2156         /* iso-8859-9 has really bad choosen G( S, and I. as they collide
2157          * whith the same letters on other iso-8859-x (that is they are on
2158          * different places :-( ), if you use turkish uncomment these and
2159          * comment out the lines in iso-8859-2 and iso-8859-3 sections
2160          * FIXME: should be dynamic according to chosen language
2161          *        if/when Wine has turkish support.
2162          */
2163 /*  collision whith G( from iso-8859-3 !!!   */
2164 /*  {'(', 'G', '\320'},  {'(', 'g', '\360'}, */ /* breve */
2165 /*  collision whith S, from iso-8859-2 !!! */
2166 /*  {',', 'S', '\336'},  {',', 's', '\376'}, */ /* cedilla */
2167 /*  collision whith I. from iso-8859-3 !!!   */
2168 /*  {'.', 'I', '\335'},  {'.', 'i', '\375'}, */ /* dot above */
2169 };
2170
2171
2172 /***********************************************************************
2173  *           MSG_DoTranslateMessage
2174  *
2175  * Implementation of TranslateMessage.
2176  *
2177  * TranslateMessage translates virtual-key messages into character-messages,
2178  * as follows :
2179  * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
2180  * ditto replacing WM_* with WM_SYS*
2181  * This produces WM_CHAR messages only for keys mapped to ASCII characters
2182  * by the keyboard driver.
2183  */
2184 static BOOL MSG_DoTranslateMessage( UINT message, HWND hwnd,
2185                                       WPARAM wParam, LPARAM lParam )
2186 {
2187     static int dead_char;
2188     WCHAR wp[2];
2189
2190     if (message != WM_MOUSEMOVE && message != WM_TIMER)
2191         TRACE("(%s, %04X, %08lX)\n",
2192                      SPY_GetMsgName(message), wParam, lParam );
2193     if(message >= WM_KEYFIRST && message <= WM_KEYLAST)
2194         TRACE_(key)("(%s, %04X, %08lX)\n",
2195                      SPY_GetMsgName(message), wParam, lParam );
2196
2197     if ((message != WM_KEYDOWN) && (message != WM_SYSKEYDOWN))  return FALSE;
2198
2199     TRACE_(key)("Translating key %s (%04x), scancode %02x\n",
2200                  SPY_GetVKeyName(wParam), wParam, LOBYTE(HIWORD(lParam)));
2201
2202     /* FIXME : should handle ToUnicode yielding 2 */
2203     switch (ToUnicode(wParam, HIWORD(lParam), QueueKeyStateTable, wp, 2, 0))
2204     {
2205     case 1:
2206         message = (message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
2207         /* Should dead chars handling go in ToAscii ? */
2208         if (dead_char)
2209         {
2210             int i;
2211
2212             if (wp[0] == ' ') wp[0] =  dead_char;
2213             if (dead_char == 0xa2) dead_char = '(';
2214             else if (dead_char == 0xa8) dead_char = '"';
2215             else if (dead_char == 0xb2) dead_char = ';';
2216             else if (dead_char == 0xb4) dead_char = '\'';
2217             else if (dead_char == 0xb7) dead_char = '<';
2218             else if (dead_char == 0xb8) dead_char = ',';
2219             else if (dead_char == 0xff) dead_char = '.';
2220             for (i = 0; i < sizeof(accent_chars)/sizeof(accent_chars[0]); i++)
2221                 if ((accent_chars[i].ac_accent == dead_char) &&
2222                     (accent_chars[i].ac_char == wp[0]))
2223                 {
2224                     wp[0] = accent_chars[i].ac_result;
2225                     break;
2226                 }
2227             dead_char = 0;
2228         }
2229         TRACE_(key)("1 -> PostMessage(%s)\n", SPY_GetMsgName(message));
2230         PostMessageW( hwnd, message, wp[0], lParam );
2231         return TRUE;
2232
2233     case -1:
2234         message = (message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
2235         dead_char = wp[0];
2236         TRACE_(key)("-1 -> PostMessage(%s)\n", SPY_GetMsgName(message));
2237         PostMessageW( hwnd, message, wp[0], lParam );
2238         return TRUE;
2239     }
2240     return FALSE;
2241 }
2242
2243
2244 /***********************************************************************
2245  *              TranslateMessage (USER.113)
2246  */
2247 BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
2248 {
2249     return MSG_DoTranslateMessage( msg->message, msg->hwnd,
2250                                    msg->wParam, msg->lParam );
2251 }
2252
2253
2254 /***********************************************************************
2255  *              TranslateMessage32 (USER.821)
2256  */
2257 BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
2258 {
2259     WPARAM wParam;
2260
2261     if (wHaveParamHigh)
2262         wParam = MAKELONG(msg->msg.wParam, msg->wParamHigh);
2263     else
2264         wParam = (WPARAM)msg->msg.wParam;
2265
2266     return MSG_DoTranslateMessage( msg->msg.message, msg->msg.hwnd,
2267                                    wParam, msg->msg.lParam );
2268 }
2269
2270 /***********************************************************************
2271  *              TranslateMessage (USER32.@)
2272  */
2273 BOOL WINAPI TranslateMessage( const MSG *msg )
2274 {
2275     return MSG_DoTranslateMessage( msg->message, msg->hwnd,
2276                                    msg->wParam, msg->lParam );
2277 }
2278
2279
2280 /***********************************************************************
2281  *              DispatchMessage (USER.114)
2282  */
2283 LONG WINAPI DispatchMessage16( const MSG16* msg )
2284 {
2285     WND * wndPtr;
2286     LONG retval;
2287     int painting;
2288
2289       /* Process timer messages */
2290     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2291     {
2292         if (msg->lParam)
2293         {
2294             /* before calling window proc, verify whether timer is still valid;
2295                there's a slim chance that the application kills the timer
2296                between GetMessage and DispatchMessage API calls */
2297             if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
2298                 return 0; /* invalid winproc */
2299
2300             return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
2301                                    msg->message, msg->wParam, GetTickCount() );
2302         }
2303     }
2304
2305     if (!msg->hwnd) return 0;
2306     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
2307     if (!wndPtr->winproc)
2308     {
2309         retval = 0;
2310         goto END;
2311     }
2312     painting = (msg->message == WM_PAINT);
2313     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
2314
2315     SPY_EnterMessage( SPY_DISPATCHMESSAGE16, msg->hwnd, msg->message,
2316                       msg->wParam, msg->lParam );
2317     retval = CallWindowProc16( (WNDPROC16)wndPtr->winproc,
2318                                msg->hwnd, msg->message,
2319                                msg->wParam, msg->lParam );
2320     SPY_ExitMessage( SPY_RESULT_OK16, msg->hwnd, msg->message, retval,
2321                      msg->wParam, msg->lParam );
2322
2323     WIN_ReleaseWndPtr(wndPtr);
2324     wndPtr = WIN_FindWndPtr(msg->hwnd);
2325     if (painting && wndPtr &&
2326         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
2327     {
2328         ERR("BeginPaint not called on WM_PAINT for hwnd %04x!\n",
2329             msg->hwnd);
2330         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
2331         /* Validate the update region to avoid infinite WM_PAINT loop */
2332         ValidateRect( msg->hwnd, NULL );
2333     }
2334 END:
2335     WIN_ReleaseWndPtr(wndPtr);
2336     return retval;
2337 }
2338
2339
2340 /***********************************************************************
2341  *              DispatchMessage32 (USER.822)
2342  */
2343 LONG WINAPI DispatchMessage32_16( const MSG32_16* lpmsg16_32, BOOL16 wHaveParamHigh )
2344 {
2345     if (wHaveParamHigh == FALSE)
2346         return DispatchMessage16(&(lpmsg16_32->msg));
2347     else
2348     {
2349         MSG msg;
2350
2351         msg.hwnd = lpmsg16_32->msg.hwnd;
2352         msg.message = lpmsg16_32->msg.message;
2353         msg.wParam = MAKELONG(lpmsg16_32->msg.wParam, lpmsg16_32->wParamHigh);
2354         msg.lParam = lpmsg16_32->msg.lParam;
2355         msg.time = lpmsg16_32->msg.time;
2356         msg.pt.x = (INT)lpmsg16_32->msg.pt.x;
2357         msg.pt.y = (INT)lpmsg16_32->msg.pt.y;
2358         return DispatchMessageA(&msg);
2359     }
2360 }
2361
2362 /***********************************************************************
2363  *              DispatchMessageA (USER32.@)
2364  */
2365 LONG WINAPI DispatchMessageA( const MSG* msg )
2366 {
2367     WND * wndPtr;
2368     LONG retval;
2369     int painting;
2370
2371       /* Process timer messages */
2372     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2373     {
2374         if (msg->lParam)
2375         {
2376 /*            HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2377
2378             /* before calling window proc, verify whether timer is still valid;
2379                there's a slim chance that the application kills the timer
2380                between GetMessage and DispatchMessage API calls */
2381             if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
2382                 return 0; /* invalid winproc */
2383
2384             return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
2385                                    msg->message, msg->wParam, GetTickCount() );
2386         }
2387     }
2388
2389     if (!msg->hwnd) return 0;
2390     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
2391     if (!wndPtr->winproc)
2392     {
2393         retval = 0;
2394         goto END;
2395     }
2396     painting = (msg->message == WM_PAINT);
2397     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
2398 /*    HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2399
2400     SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2401                       msg->wParam, msg->lParam );
2402     retval = CallWindowProcA( (WNDPROC)wndPtr->winproc,
2403                                 msg->hwnd, msg->message,
2404                                 msg->wParam, msg->lParam );
2405     SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
2406                      msg->wParam, msg->lParam );
2407
2408     WIN_ReleaseWndPtr(wndPtr);
2409     wndPtr = WIN_FindWndPtr(msg->hwnd);
2410
2411     if (painting && wndPtr &&
2412         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
2413     {
2414         ERR("BeginPaint not called on WM_PAINT for hwnd %04x!\n",
2415             msg->hwnd);
2416         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
2417         /* Validate the update region to avoid infinite WM_PAINT loop */
2418         PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0,
2419                         RDW_FRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT, 0 );
2420     }
2421 END:
2422     WIN_ReleaseWndPtr(wndPtr);
2423     return retval;
2424 }
2425
2426
2427 /***********************************************************************
2428  *              DispatchMessageW (USER32.@) Process Message
2429  *
2430  * Process the message specified in the structure *_msg_.
2431  *
2432  * If the lpMsg parameter points to a WM_TIMER message and the
2433  * parameter of the WM_TIMER message is not NULL, the lParam parameter
2434  * points to the function that is called instead of the window
2435  * procedure.
2436  *
2437  * The message must be valid.
2438  *
2439  * RETURNS
2440  *
2441  *   DispatchMessage() returns the result of the window procedure invoked.
2442  *
2443  * CONFORMANCE
2444  *
2445  *   ECMA-234, Win32
2446  *
2447  */
2448 LONG WINAPI DispatchMessageW( const MSG* msg )
2449 {
2450     WND * wndPtr;
2451     LONG retval;
2452     int painting;
2453
2454       /* Process timer messages */
2455     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2456     {
2457         if (msg->lParam)
2458         {
2459 /*            HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2460
2461             /* before calling window proc, verify whether timer is still valid;
2462                there's a slim chance that the application kills the timer
2463                between GetMessage and DispatchMessage API calls */
2464             if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
2465                 return 0; /* invalid winproc */
2466
2467             return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
2468                                    msg->message, msg->wParam, GetTickCount() );
2469         }
2470     }
2471
2472     if (!msg->hwnd) return 0;
2473     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
2474     if (!wndPtr->winproc)
2475     {
2476         retval = 0;
2477         goto END;
2478     }
2479     painting = (msg->message == WM_PAINT);
2480     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
2481 /*    HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
2482
2483     SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2484                       msg->wParam, msg->lParam );
2485     retval = CallWindowProcW( (WNDPROC)wndPtr->winproc,
2486                                 msg->hwnd, msg->message,
2487                                 msg->wParam, msg->lParam );
2488     SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
2489                      msg->wParam, msg->lParam );
2490
2491     WIN_ReleaseWndPtr(wndPtr);
2492     wndPtr = WIN_FindWndPtr(msg->hwnd);
2493
2494     if (painting && wndPtr &&
2495         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
2496     {
2497         ERR("BeginPaint not called on WM_PAINT for hwnd %04x!\n",
2498             msg->hwnd);
2499         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
2500         /* Validate the update region to avoid infinite WM_PAINT loop */
2501         ValidateRect( msg->hwnd, NULL );
2502     }
2503 END:
2504     WIN_ReleaseWndPtr(wndPtr);
2505     return retval;
2506 }
2507
2508
2509 /***********************************************************************
2510  *              RegisterWindowMessage (USER.118)
2511  *              RegisterWindowMessageA (USER32.@)
2512  */
2513 WORD WINAPI RegisterWindowMessageA( LPCSTR str )
2514 {
2515     TRACE("%s\n", str );
2516     return GlobalAddAtomA( str );
2517 }
2518
2519
2520 /***********************************************************************
2521  *              RegisterWindowMessageW (USER32.@)
2522  */
2523 WORD WINAPI RegisterWindowMessageW( LPCWSTR str )
2524 {
2525     TRACE("%p\n", str );
2526     return GlobalAddAtomW( str );
2527 }
2528
2529
2530 /***********************************************************************
2531  *              GetCurrentTime (USER.15)
2532  *
2533  * (effectively identical to GetTickCount)
2534  */
2535 DWORD WINAPI GetCurrentTime16(void)
2536 {
2537     return GetTickCount();
2538 }
2539
2540
2541 /***********************************************************************
2542  *              InSendMessage (USER.192)
2543  */
2544 BOOL16 WINAPI InSendMessage16(void)
2545 {
2546     return InSendMessage();
2547 }
2548
2549
2550 /***********************************************************************
2551  *              InSendMessage (USER32.@)
2552  */
2553 BOOL WINAPI InSendMessage(void)
2554 {
2555     MESSAGEQUEUE *queue;
2556     BOOL ret;
2557
2558     if (!(queue = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
2559         return 0;
2560     ret = (BOOL)queue->smWaiting;
2561
2562     QUEUE_Unlock( queue );
2563     return ret;
2564 }
2565
2566 /***********************************************************************
2567  *              BroadcastSystemMessage (USER32.@)
2568  */
2569 LONG WINAPI BroadcastSystemMessage(
2570         DWORD dwFlags,LPDWORD recipients,UINT uMessage,WPARAM wParam,
2571         LPARAM lParam
2572 ) {
2573         FIXME_(sendmsg)("(%08lx,%08lx,%08x,%08x,%08lx): stub!\n",
2574               dwFlags,*recipients,uMessage,wParam,lParam
2575         );
2576         return 0;
2577 }
2578
2579 /***********************************************************************
2580  *              SendNotifyMessageA (USER32.@)
2581  */
2582 BOOL WINAPI SendNotifyMessageA(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
2583 {
2584    return MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE,
2585                           SMSG_WIN32, NULL);
2586 }
2587
2588 /***********************************************************************
2589  *              SendNotifyMessageW (USER32.@)
2590  */
2591 BOOL WINAPI SendNotifyMessageW(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
2592 {
2593    return MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE,
2594                           SMSG_WIN32 | SMSG_UNICODE, NULL);
2595 }
2596
2597 /***********************************************************************
2598  *              SendMessageCallbackA (USER32.@)
2599  * FIXME: It's like PostMessage. The callback gets called when the message
2600  * is processed. We have to modify the message processing for an exact
2601  * implementation...
2602  * The callback is only called when the thread that called us calls one of
2603  * Get/Peek/WaitMessage.
2604  */
2605 BOOL WINAPI SendMessageCallbackA(
2606         HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam,
2607         FARPROC lpResultCallBack,DWORD dwData)
2608 {
2609         FIXME("(0x%04x,0x%04x,0x%08x,0x%08lx,%p,0x%08lx),stub!\n",
2610               hWnd,Msg,wParam,lParam,lpResultCallBack,dwData);
2611         if ( hWnd == HWND_BROADCAST)
2612         {       PostMessageA( hWnd, Msg, wParam, lParam);
2613                 FIXME("Broadcast: Callback will not be called!\n");
2614                 return TRUE;
2615         }
2616         (lpResultCallBack)( hWnd, Msg, dwData, SendMessageA ( hWnd, Msg, wParam, lParam ));
2617                 return TRUE;
2618 }
2619 /***********************************************************************
2620  *              SendMessageCallbackW (USER32.@)
2621  * FIXME: see SendMessageCallbackA.
2622  */
2623 BOOL WINAPI SendMessageCallbackW(
2624         HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam,
2625         FARPROC lpResultCallBack,DWORD dwData)
2626 {
2627         FIXME("(0x%04x,0x%04x,0x%08x,0x%08lx,%p,0x%08lx),stub!\n",
2628               hWnd,Msg,wParam,lParam,lpResultCallBack,dwData);
2629         if ( hWnd == HWND_BROADCAST)
2630         {       PostMessageW( hWnd, Msg, wParam, lParam);
2631                 FIXME("Broadcast: Callback will not be called!\n");
2632                 return TRUE;
2633         }
2634         (lpResultCallBack)( hWnd, Msg, dwData, SendMessageA ( hWnd, Msg, wParam, lParam ));
2635                 return TRUE;
2636 }