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 "winbase.h"
  14 #include "wingdi.h"
  15 #include "winuser.h"
  16 #include "message.h"
  17 #include "winerror.h"
  18 #include "wine/server.h"
  19 #include "win.h"
  20 #include "heap.h"
  21 #include "hook.h"
  22 #include "input.h"
  23 #include "spy.h"
  24 #include "winpos.h"
  25 #include "dde.h"
  26 #include "queue.h"
  27 #include "winproc.h"
  28 #include "user.h"
  29 #include "thread.h"
  30 #include "task.h"
  31 #include "controls.h"
  32 #include "debugtools.h"
  33
  34 DEFAULT_DEBUG_CHANNEL(msg);
  35 DECLARE_DEBUG_CHANNEL(key);
  36
  37 #define WM_NCMOUSEFIRST         WM_NCMOUSEMOVE
  38 #define WM_NCMOUSELAST          WM_NCMBUTTONDBLCLK
  39
  40 static BYTE QueueKeyStateTable[256];
  41 static UINT doubleClickSpeed = 452;
  42
  43
  44 /***********************************************************************
  45  *           is_keyboard_message
  46  */
  47 inline static BOOL is_keyboard_message( UINT message )
  48 {
  49     return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
  50 }
  51
  52
  53 /***********************************************************************
  54  *           is_mouse_message
  55  */
  56 inline static BOOL is_mouse_message( UINT message )
  57 {
  58     return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
  59             (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
  60 }
  61
  62
  63 /***********************************************************************
  64  *           check_message_filter
  65  */
  66 inline static BOOL check_message_filter( const MSG *msg, HWND hwnd, UINT first, UINT last )
  67 {
  68     if (hwnd)
  69     {
  70         if (msg->hwnd != hwnd && !IsChild( hwnd, msg->hwnd )) return FALSE;
  71     }
  72     if (first || last)
  73     {
  74        return (msg->message >= first && msg->message <= last);
  75     }
  76     return TRUE;
  77 }
  78
  79
  80 /***********************************************************************
  81  *           process_sent_messages
  82  *
  83  * Process all pending sent messages.
  84  */
  85 inline static void process_sent_messages(void)
  86 {
  87     MSG msg;
  88     MSG_peek_message( &msg, 0, 0, 0, GET_MSG_REMOVE | GET_MSG_SENT_ONLY );
  89 }
  90
  91
  92 /***********************************************************************
  93  *           queue_hardware_message
  94  *
  95  * store a hardware message in the thread queue
  96  */
  97 static void queue_hardware_message( MSG *msg, ULONG_PTR extra_info, enum message_type type )
  98 {
  99     SERVER_START_REQ( send_message )
 100     {
 101         req->type   = type;
 102         req->id     = (void *)GetWindowThreadProcessId( msg->hwnd, NULL );
 103         req->win    = msg->hwnd;
 104         req->msg    = msg->message;
 105         req->wparam = msg->wParam;
 106         req->lparam = msg->lParam;
 107         req->x      = msg->pt.x;
 108         req->y      = msg->pt.y;
 109         req->time   = msg->time;
 110         req->info   = extra_info;
 111         req->timeout = 0;
 112         SERVER_CALL();
 113     }
 114     SERVER_END_REQ;
 115 }
 116
 117
 118 /***********************************************************************
 119  *           update_queue_key_state
 120  */
 121 static void update_queue_key_state( UINT msg, WPARAM wp )
 122 {
 123     BOOL down = FALSE;
 124
 125     switch (msg)
 126     {
 127     case WM_LBUTTONDOWN:
 128         down = TRUE;
 129         /* fall through */
 130     case WM_LBUTTONUP:
 131         wp = VK_LBUTTON;
 132         break;
 133     case WM_MBUTTONDOWN:
 134         down = TRUE;
 135         /* fall through */
 136     case WM_MBUTTONUP:
 137         wp = VK_MBUTTON;
 138         break;
 139     case WM_RBUTTONDOWN:
 140         down = TRUE;
 141         /* fall through */
 142     case WM_RBUTTONUP:
 143         wp = VK_RBUTTON;
 144         break;
 145     case WM_KEYDOWN:
 146     case WM_SYSKEYDOWN:
 147         down = TRUE;
 148         /* fall through */
 149     case WM_KEYUP:
 150     case WM_SYSKEYUP:
 151         wp = wp & 0xff;
 152         break;
 153     }
 154     if (down)
 155     {
 156         BYTE *p = &QueueKeyStateTable[wp];
 157         if (!(*p & 0x80)) *p ^= 0x01;
 158         *p |= 0x80;
 159     }
 160     else QueueKeyStateTable[wp] &= ~0x80;
 161 }
 162
 163
 164 /***********************************************************************
 165  *           MSG_SendParentNotify
 166  *
 167  * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
 168  * the window has the WS_EX_NOPARENTNOTIFY style.
 169  */
 170 static void MSG_SendParentNotify( HWND hwnd, WORD event, WORD idChild, POINT pt )
 171 {
 172     /* pt has to be in the client coordinates of the parent window */
 173     MapWindowPoints( 0, hwnd, &pt, 1 );
 174     for (;;)
 175     {
 176         HWND parent;
 177
 178         if (!(GetWindowLongA( hwnd, GWL_STYLE ) & WS_CHILD)) break;
 179         if (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
 180         if (!(parent = GetParent(hwnd))) break;
 181         MapWindowPoints( hwnd, parent, &pt, 1 );
 182         hwnd = parent;
 183         SendMessageA( hwnd, WM_PARENTNOTIFY,
 184                       MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
 185     }
 186 }
 187
 188
 189 /***********************************************************************
 190  *          MSG_JournalPlayBackMsg
 191  *
 192  * Get an EVENTMSG struct via call JOURNALPLAYBACK hook function
 193  */
 194 void MSG_JournalPlayBackMsg(void)
 195 {
 196     EVENTMSG tmpMsg;
 197     MSG msg;
 198     LRESULT wtime;
 199     int keyDown,i;
 200
 201     if (!HOOK_IsHooked( WH_JOURNALPLAYBACK )) return;
 202
 203     wtime=HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_GETNEXT, 0, (LPARAM)&tmpMsg );
 204     /*  TRACE(msg,"Playback wait time =%ld\n",wtime); */
 205     if (wtime<=0)
 206     {
 207         wtime=0;
 208         msg.message = tmpMsg.message;
 209         msg.hwnd    = tmpMsg.hwnd;
 210         msg.time    = tmpMsg.time;
 211         if ((tmpMsg.message >= WM_KEYFIRST) && (tmpMsg.message <= WM_KEYLAST))
 212         {
 213             msg.wParam  = tmpMsg.paramL & 0xFF;
 214             msg.lParam  = MAKELONG(tmpMsg.paramH&0x7ffff,tmpMsg.paramL>>8);
 215             if (tmpMsg.message == WM_KEYDOWN || tmpMsg.message == WM_SYSKEYDOWN)
 216             {
 217                 for (keyDown=i=0; i<256 && !keyDown; i++)
 218                     if (InputKeyStateTable[i] & 0x80)
 219                         keyDown++;
 220                 if (!keyDown)
 221                     msg.lParam |= 0x40000000;
 222                 InputKeyStateTable[msg.wParam] |= 0x80;
 223                 AsyncKeyStateTable[msg.wParam] |= 0x80;
 224             }
 225             else                                       /* WM_KEYUP, WM_SYSKEYUP */
 226             {
 227                 msg.lParam |= 0xC0000000;
 228                 InputKeyStateTable[msg.wParam] &= ~0x80;
 229             }
 230             if (InputKeyStateTable[VK_MENU] & 0x80)
 231                 msg.lParam |= 0x20000000;
 232             if (tmpMsg.paramH & 0x8000)              /*special_key bit*/
 233                 msg.lParam |= 0x01000000;
 234
 235             msg.pt.x = msg.pt.y = 0;
 236             queue_hardware_message( &msg, 0, MSG_HARDWARE_RAW );
 237         }
 238         else if ((tmpMsg.message>= WM_MOUSEFIRST) && (tmpMsg.message <= WM_MOUSELAST))
 239         {
 240             switch (tmpMsg.message)
 241             {
 242             case WM_LBUTTONDOWN:
 243                 InputKeyStateTable[VK_LBUTTON] |= 0x80;
 244                 AsyncKeyStateTable[VK_LBUTTON] |= 0x80;
 245                 break;
 246             case WM_LBUTTONUP:
 247                 InputKeyStateTable[VK_LBUTTON] &= ~0x80;
 248                 break;
 249             case WM_MBUTTONDOWN:
 250                 InputKeyStateTable[VK_MBUTTON] |= 0x80;
 251                 AsyncKeyStateTable[VK_MBUTTON] |= 0x80;
 252                 break;
 253             case WM_MBUTTONUP:
 254                 InputKeyStateTable[VK_MBUTTON] &= ~0x80;
 255                 break;
 256             case WM_RBUTTONDOWN:
 257                 InputKeyStateTable[VK_RBUTTON] |= 0x80;
 258                 AsyncKeyStateTable[VK_RBUTTON] |= 0x80;
 259                 break;
 260             case WM_RBUTTONUP:
 261                 InputKeyStateTable[VK_RBUTTON] &= ~0x80;
 262                 break;
 263             }
 264             SetCursorPos(tmpMsg.paramL,tmpMsg.paramH);
 265             msg.lParam=MAKELONG(tmpMsg.paramL,tmpMsg.paramH);
 266             msg.wParam=0;
 267             if (InputKeyStateTable[VK_LBUTTON] & 0x80) msg.wParam |= MK_LBUTTON;
 268             if (InputKeyStateTable[VK_MBUTTON] & 0x80) msg.wParam |= MK_MBUTTON;
 269             if (InputKeyStateTable[VK_RBUTTON] & 0x80) msg.wParam |= MK_RBUTTON;
 270
 271             msg.pt.x = tmpMsg.paramL;
 272             msg.pt.y = tmpMsg.paramH;
 273             queue_hardware_message( &msg, 0, MSG_HARDWARE_RAW );
 274         }
 275         HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_SKIP, 0, (LPARAM)&tmpMsg);
 276     }
 277     else
 278     {
 279         if( tmpMsg.message == WM_QUEUESYNC )
 280             if (HOOK_IsHooked( WH_CBT ))
 281                 HOOK_CallHooksA( WH_CBT, HCBT_QS, 0, 0L);
 282     }
 283 }
 284
 285
 286 /***********************************************************************
 287  *          process_raw_keyboard_message
 288  *
 289  * returns TRUE if the contents of 'msg' should be passed to the application
 290  */
 291 static BOOL process_raw_keyboard_message( MSG *msg, ULONG_PTR extra_info )
 292 {
 293     if (!(msg->hwnd = GetFocus()))
 294     {
 295         /* Send the message to the active window instead,  */
 296         /* translating messages to their WM_SYS equivalent */
 297         msg->hwnd = GetActiveWindow();
 298         if (msg->message < WM_SYSKEYDOWN) msg->message += WM_SYSKEYDOWN - WM_KEYDOWN;
 299     }
 300
 301     if (HOOK_IsHooked( WH_JOURNALRECORD ))
 302     {
 303         EVENTMSG event;
 304
 305         event.message = msg->message;
 306         event.hwnd    = msg->hwnd;
 307         event.time    = msg->time;
 308         event.paramL  = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
 309         event.paramH  = msg->lParam & 0x7FFF;
 310         if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
 311         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event );
 312     }
 313
 314     return (msg->hwnd != 0);
 315 }
 316
 317
 318 /***********************************************************************
 319  *          process_cooked_keyboard_message
 320  *
 321  * returns TRUE if the contents of 'msg' should be passed to the application
 322  */
 323 static BOOL process_cooked_keyboard_message( MSG *msg, BOOL remove )
 324 {
 325     if (remove)
 326     {
 327         update_queue_key_state( msg->message, msg->wParam );
 328
 329         /* Handle F1 key by sending out WM_HELP message */
 330         if ((msg->message == WM_KEYUP) &&
 331             (msg->wParam == VK_F1) &&
 332             (msg->hwnd != GetDesktopWindow()) &&
 333             !MENU_IsMenuActive())
 334         {
 335             HELPINFO hi;
 336             hi.cbSize = sizeof(HELPINFO);
 337             hi.iContextType = HELPINFO_WINDOW;
 338             hi.iCtrlId = GetWindowLongA( msg->hwnd, GWL_ID );
 339             hi.hItemHandle = msg->hwnd;
 340             hi.dwContextId = GetWindowContextHelpId( msg->hwnd );
 341             hi.MousePos = msg->pt;
 342             SendMessageA(msg->hwnd, WM_HELP, 0, (LPARAM)&hi);
 343         }
 344     }
 345
 346     if (HOOK_CallHooksA( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
 347                          LOWORD(msg->wParam), msg->lParam ))
 348     {
 349         /* skip this message */
 350         HOOK_CallHooksA( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam );
 351         return FALSE;
 352     }
 353     return TRUE;
 354 }
 355
 356
 357 /***********************************************************************
 358  *          process_raw_mouse_message
 359  *
 360  * returns TRUE if the contents of 'msg' should be passed to the application
 361  */
 362 static BOOL process_raw_mouse_message( MSG *msg, ULONG_PTR extra_info )
 363 {
 364     static MSG clk_msg;
 365
 366     POINT pt;
 367     INT ht, hittest;
 368
 369     /* find the window to dispatch this mouse message to */
 370
 371     hittest = HTCLIENT;
 372     if (!(msg->hwnd = PERQDATA_GetCaptureWnd( &ht )))
 373     {
 374         /* If no capture HWND, find window which contains the mouse position.
 375          * Also find the position of the cursor hot spot (hittest) */
 376         HWND hWndScope = (HWND)extra_info;
 377
 378         if (!IsWindow(hWndScope)) hWndScope = 0;
 379         if (!(msg->hwnd = WINPOS_WindowFromPoint( hWndScope, msg->pt, &hittest )))
 380             msg->hwnd = GetDesktopWindow();
 381         ht = hittest;
 382     }
 383
 384     if (HOOK_IsHooked( WH_JOURNALRECORD ))
 385     {
 386         EVENTMSG event;
 387         event.message = msg->message;
 388         event.time    = msg->time;
 389         event.hwnd    = msg->hwnd;
 390         event.paramL  = msg->pt.x;
 391         event.paramH  = msg->pt.y;
 392         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event );
 393     }
 394
 395     /* translate double clicks */
 396
 397     if ((msg->message == WM_LBUTTONDOWN) ||
 398         (msg->message == WM_RBUTTONDOWN) ||
 399         (msg->message == WM_MBUTTONDOWN))
 400     {
 401         BOOL update = TRUE;
 402         /* translate double clicks -
 403          * note that ...MOUSEMOVEs can slip in between
 404          * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
 405
 406         if (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS || ht != HTCLIENT )
 407         {
 408            if ((msg->message == clk_msg.message) &&
 409                (msg->hwnd == clk_msg.hwnd) &&
 410                (msg->time - clk_msg.time < doubleClickSpeed) &&
 411                (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
 412                (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
 413            {
 414                msg->message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
 415                clk_msg.message = 0;
 416                update = FALSE;
 417            }
 418         }
 419         /* update static double click conditions */
 420         if (update) clk_msg = *msg;
 421     }
 422
 423     pt = msg->pt;
 424     /* Note: windows has no concept of a non-client wheel message */
 425     if (hittest != HTCLIENT && msg->message != WM_MOUSEWHEEL)
 426     {
 427         msg->message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
 428         msg->wParam = hittest;
 429     }
 430     else ScreenToClient( msg->hwnd, &pt );
 431     msg->lParam = MAKELONG( pt.x, pt.y );
 432     return TRUE;
 433 }
 434
 435
 436 /***********************************************************************
 437  *          process_cooked_mouse_message
 438  *
 439  * returns TRUE if the contents of 'msg' should be passed to the application
 440  */
 441 static BOOL process_cooked_mouse_message( MSG *msg, BOOL remove )
 442 {
 443     INT hittest = HTCLIENT;
 444     UINT raw_message = msg->message;
 445     BOOL eatMsg;
 446
 447     if (msg->message >= WM_NCMOUSEFIRST && msg->message <= WM_NCMOUSELAST)
 448     {
 449         raw_message += WM_MOUSEFIRST - WM_NCMOUSEFIRST;
 450         hittest = msg->wParam;
 451     }
 452     if (raw_message == WM_LBUTTONDBLCLK ||
 453         raw_message == WM_RBUTTONDBLCLK ||
 454         raw_message == WM_MBUTTONDBLCLK)
 455     {
 456         raw_message += WM_LBUTTONDOWN - WM_LBUTTONDBLCLK;
 457     }
 458
 459     if (remove) update_queue_key_state( raw_message, 0 );
 460
 461     if (HOOK_IsHooked( WH_MOUSE ))
 462     {
 463         MOUSEHOOKSTRUCT hook;
 464         hook.pt           = msg->pt;
 465         hook.hwnd         = msg->hwnd;
 466         hook.wHitTestCode = hittest;
 467         hook.dwExtraInfo  = 0;
 468         if (HOOK_CallHooksA( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
 469                              msg->message, (LPARAM)&hook ))
 470         {
 471             hook.pt           = msg->pt;
 472             hook.hwnd         = msg->hwnd;
 473             hook.wHitTestCode = hittest;
 474             hook.dwExtraInfo  = 0;
 475             HOOK_CallHooksA( WH_CBT, HCBT_CLICKSKIPPED, msg->message, (LPARAM)&hook );
 476             return FALSE;
 477         }
 478     }
 479
 480     if ((hittest == HTERROR) || (hittest == HTNOWHERE))
 481     {
 482         SendMessageA( msg->hwnd, WM_SETCURSOR, msg->hwnd, MAKELONG( hittest, raw_message ));
 483         return FALSE;
 484     }
 485
 486     if (!remove || GetCapture()) return TRUE;
 487
 488     eatMsg = FALSE;
 489
 490     if ((raw_message == WM_LBUTTONDOWN) ||
 491         (raw_message == WM_RBUTTONDOWN) ||
 492         (raw_message == WM_MBUTTONDOWN))
 493     {
 494         HWND hwndTop = GetAncestor( msg->hwnd, GA_ROOT );
 495
 496         /* Send the WM_PARENTNOTIFY,
 497          * note that even for double/nonclient clicks
 498          * notification message is still WM_L/M/RBUTTONDOWN.
 499          */
 500         MSG_SendParentNotify( msg->hwnd, raw_message, 0, msg->pt );
 501
 502         /* Activate the window if needed */
 503
 504         if (msg->hwnd != GetActiveWindow() && hwndTop != GetDesktopWindow())
 505         {
 506             LONG ret = SendMessageA( msg->hwnd, WM_MOUSEACTIVATE, hwndTop,
 507                                      MAKELONG( hittest, raw_message ) );
 508
 509             switch(ret)
 510             {
 511             case MA_NOACTIVATEANDEAT:
 512                 eatMsg = TRUE;
 513                 /* fall through */
 514             case MA_NOACTIVATE:
 515                 break;
 516             case MA_ACTIVATEANDEAT:
 517                 eatMsg = TRUE;
 518                 /* fall through */
 519             case MA_ACTIVATE:
 520                 if (hwndTop != GetForegroundWindow() )
 521                 {
 522                     if (!WINPOS_SetActiveWindow( hwndTop, TRUE , TRUE ))
 523                         eatMsg = TRUE;
 524                 }
 525                 break;
 526             default:
 527                 WARN( "unknown WM_MOUSEACTIVATE code %ld\n", ret );
 528                 break;
 529             }
 530         }
 531     }
 532
 533     /* send the WM_SETCURSOR message */
 534
 535     /* Windows sends the normal mouse message as the message parameter
 536        in the WM_SETCURSOR message even if it's non-client mouse message */
 537     SendMessageA( msg->hwnd, WM_SETCURSOR, msg->hwnd, MAKELONG( hittest, raw_message ));
 538
 539     return !eatMsg;
 540 }
 541
 542
 543 /***********************************************************************
 544  *          process_hardware_message
 545  *
 546  * returns TRUE if the contents of 'msg' should be passed to the application
 547  */
 548 BOOL MSG_process_raw_hardware_message( MSG *msg, ULONG_PTR extra_info, HWND hwnd_filter,
 549                                        UINT first, UINT last, BOOL remove )
 550 {
 551     if (is_keyboard_message( msg->message ))
 552     {
 553         if (!process_raw_keyboard_message( msg, extra_info )) return FALSE;
 554     }
 555     else if (is_mouse_message( msg->message ))
 556     {
 557         if (!process_raw_mouse_message( msg, extra_info )) return FALSE;
 558     }
 559     else
 560     {
 561         ERR( "unknown message type %x\n", msg->message );
 562         return FALSE;
 563     }
 564
 565     /* check destination thread and filters */
 566     if (!check_message_filter( msg, hwnd_filter, first, last ) ||
 567         !WIN_IsCurrentThread( msg->hwnd ))
 568     {
 569         /* queue it for later, or for another thread */
 570         queue_hardware_message( msg, extra_info, MSG_HARDWARE_COOKED );
 571         return FALSE;
 572     }
 573
 574     /* save the message in the cooked queue if we didn't want to remove it */
 575     if (!remove) queue_hardware_message( msg, extra_info, MSG_HARDWARE_COOKED );
 576     return TRUE;
 577 }
 578
 579
 580 /***********************************************************************
 581  *          MSG_process_cooked_hardware_message
 582  *
 583  * returns TRUE if the contents of 'msg' should be passed to the application
 584  */
 585 BOOL MSG_process_cooked_hardware_message( MSG *msg, BOOL remove )
 586 {
 587     if (is_keyboard_message( msg->message ))
 588         return process_cooked_keyboard_message( msg, remove );
 589
 590     if (is_mouse_message( msg->message ))
 591         return process_cooked_mouse_message( msg, remove );
 592
 593     ERR( "unknown message type %x\n", msg->message );
 594     return FALSE;
 595 }
 596
 597
 598 /**********************************************************************
 599  *              GetKeyState (USER.106)
 600  */
 601 INT16 WINAPI GetKeyState16(INT16 vkey)
 602 {
 603     return GetKeyState(vkey);
 604 }
 605
 606
 607 /**********************************************************************
 608  *              GetKeyState (USER32.@)
 609  *
 610  * An application calls the GetKeyState function in response to a
 611  * keyboard-input message.  This function retrieves the state of the key
 612  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 390)
 613  */
 614 SHORT WINAPI GetKeyState(INT vkey)
 615 {
 616     INT retval;
 617
 618     if (vkey >= 'a' && vkey <= 'z') vkey += 'A' - 'a';
 619     retval = ((WORD)(QueueKeyStateTable[vkey] & 0x80) << 8 ) | (QueueKeyStateTable[vkey] & 0x01);
 620     /* TRACE(key, "(0x%x) -> %x\n", vkey, retval); */
 621     return retval;
 622 }
 623
 624
 625 /**********************************************************************
 626  *              GetKeyboardState (USER.222)
 627  *              GetKeyboardState (USER32.@)
 628  *
 629  * An application calls the GetKeyboardState function in response to a
 630  * keyboard-input message.  This function retrieves the state of the keyboard
 631  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 387)
 632  */
 633 BOOL WINAPI GetKeyboardState(LPBYTE lpKeyState)
 634 {
 635     TRACE_(key)("(%p)\n", lpKeyState);
 636     if (lpKeyState) memcpy(lpKeyState, QueueKeyStateTable, 256);
 637     return TRUE;
 638 }
 639
 640
 641 /**********************************************************************
 642  *              SetKeyboardState (USER.223)
 643  *              SetKeyboardState (USER32.@)
 644  */
 645 BOOL WINAPI SetKeyboardState(LPBYTE lpKeyState)
 646 {
 647     TRACE_(key)("(%p)\n", lpKeyState);
 648     if (lpKeyState) memcpy(QueueKeyStateTable, lpKeyState, 256);
 649     return TRUE;
 650 }
 651
 652
 653 /**********************************************************************
 654  *              SetDoubleClickTime (USER32.@)
 655  */
 656 BOOL WINAPI SetDoubleClickTime( UINT interval )
 657 {
 658     doubleClickSpeed = interval ? interval : 500;
 659     return TRUE;
 660 }
 661
 662
 663 /**********************************************************************
 664  *              GetDoubleClickTime (USER32.@)
 665  */
 666 UINT WINAPI GetDoubleClickTime(void)
 667 {
 668     return doubleClickSpeed;
 669 }
 670
 671
 672 /***********************************************************************
 673  *              WaitMessage (USER.112) Suspend thread pending messages
 674  *              WaitMessage (USER32.@) Suspend thread pending messages
 675  *
 676  * WaitMessage() suspends a thread until events appear in the thread's
 677  * queue.
 678  */
 679 BOOL WINAPI WaitMessage(void)
 680 {
 681     return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
 682 }
 683
 684
 685 /***********************************************************************
 686  *              MsgWaitForMultipleObjectsEx   (USER32.@)
 687  */
 688 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles,
 689                                           DWORD timeout, DWORD mask, DWORD flags )
 690 {
 691     HANDLE handles[MAXIMUM_WAIT_OBJECTS];
 692     DWORD i, ret;
 693     MESSAGEQUEUE *msgQueue;
 694
 695     if (count > MAXIMUM_WAIT_OBJECTS-1)
 696     {
 697         SetLastError( ERROR_INVALID_PARAMETER );
 698         return WAIT_FAILED;
 699     }
 700
 701     if (!(msgQueue = QUEUE_Current())) return WAIT_FAILED;
 702
 703     /* set the queue mask */
 704     SERVER_START_REQ( set_queue_mask )
 705     {
 706         req->wake_mask    = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
 707         req->changed_mask = mask;
 708         req->skip_wait    = 0;
 709         SERVER_CALL();
 710     }
 711     SERVER_END_REQ;
 712
 713     /* Add the thread event to the handle list */
 714     for (i = 0; i < count; i++) handles[i] = pHandles[i];
 715     handles[count] = msgQueue->server_queue;
 716
 717
 718     if (USER_Driver.pMsgWaitForMultipleObjectsEx)
 719     {
 720         ret = USER_Driver.pMsgWaitForMultipleObjectsEx( count+1, handles, timeout, mask, flags );
 721         if (ret == count+1) ret = count; /* pretend the msg queue is ready */
 722     }
 723     else
 724         ret = WaitForMultipleObjectsEx( count+1, handles, flags & MWMO_WAITALL,
 725                                         timeout, flags & MWMO_ALERTABLE );
 726     return ret;
 727 }
 728
 729
 730 /***********************************************************************
 731  *              MsgWaitForMultipleObjects (USER32.@)
 732  */
 733 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles,
 734                                         BOOL wait_all, DWORD timeout, DWORD mask )
 735 {
 736     return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
 737                                         wait_all ? MWMO_WAITALL : 0 );
 738 }
 739
 740
 741 /***********************************************************************
 742  *              WaitForInputIdle (USER32.@)
 743  */
 744 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
 745 {
 746     DWORD cur_time, ret;
 747     HANDLE idle_event = -1;
 748
 749     SERVER_START_REQ( wait_input_idle )
 750     {
 751         req->handle = hProcess;
 752         req->timeout = dwTimeOut;
 753         if (!(ret = SERVER_CALL_ERR())) idle_event = req->event;
 754     }
 755     SERVER_END_REQ;
 756     if (ret) return 0xffffffff;  /* error */
 757     if (!idle_event) return 0;  /* no event to wait on */
 758
 759     cur_time = GetTickCount();
 760
 761     TRACE("waiting for %x\n", idle_event );
 762     while ( dwTimeOut > GetTickCount() - cur_time || dwTimeOut == INFINITE )
 763     {
 764         ret = MsgWaitForMultipleObjects ( 1, &idle_event, FALSE, dwTimeOut, QS_SENDMESSAGE );
 765         if ( ret == ( WAIT_OBJECT_0 + 1 ))
 766         {
 767             process_sent_messages();
 768             continue;
 769         }
 770         if ( ret == WAIT_TIMEOUT || ret == 0xFFFFFFFF )
 771         {
 772             TRACE("timeout or error\n");
 773             return ret;
 774         }
 775         else
 776         {
 777             TRACE("finished\n");
 778             return 0;
 779         }
 780     }
 781
 782     return WAIT_TIMEOUT;
 783 }
 784
 785
 786 /***********************************************************************
 787  *              UserYield (USER.332)
 788  *              UserYield16 (USER32.@)
 789  */
 790 void WINAPI UserYield16(void)
 791 {
 792    DWORD count;
 793
 794     /* Handle sent messages */
 795     process_sent_messages();
 796
 797     /* Yield */
 798     ReleaseThunkLock(&count);
 799     if (count)
 800     {
 801         RestoreThunkLock(count);
 802         /* Handle sent messages again */
 803         process_sent_messages();
 804     }
 805 }
 806
 807
 808 struct accent_char
 809 {
 810     BYTE ac_accent;
 811     BYTE ac_char;
 812     BYTE ac_result;
 813 };
 814
 815 static const struct accent_char accent_chars[] =
 816 {
 817 /* A good idea should be to read /usr/X11/lib/X11/locale/iso8859-x/Compose */
 818     {'`', 'A', '\300'},  {'`', 'a', '\340'},
 819     {'\'', 'A', '\301'}, {'\'', 'a', '\341'},
 820     {'^', 'A', '\302'},  {'^', 'a', '\342'},
 821     {'~', 'A', '\303'},  {'~', 'a', '\343'},
 822     {'"', 'A', '\304'},  {'"', 'a', '\344'},
 823     {'O', 'A', '\305'},  {'o', 'a', '\345'},
 824     {'0', 'A', '\305'},  {'0', 'a', '\345'},
 825     {'A', 'A', '\305'},  {'a', 'a', '\345'},
 826     {'A', 'E', '\306'},  {'a', 'e', '\346'},
 827     {',', 'C', '\307'},  {',', 'c', '\347'},
 828     {'`', 'E', '\310'},  {'`', 'e', '\350'},
 829     {'\'', 'E', '\311'}, {'\'', 'e', '\351'},
 830     {'^', 'E', '\312'},  {'^', 'e', '\352'},
 831     {'"', 'E', '\313'},  {'"', 'e', '\353'},
 832     {'`', 'I', '\314'},  {'`', 'i', '\354'},
 833     {'\'', 'I', '\315'}, {'\'', 'i', '\355'},
 834     {'^', 'I', '\316'},  {'^', 'i', '\356'},
 835     {'"', 'I', '\317'},  {'"', 'i', '\357'},
 836     {'-', 'D', '\320'},  {'-', 'd', '\360'},
 837     {'~', 'N', '\321'},  {'~', 'n', '\361'},
 838     {'`', 'O', '\322'},  {'`', 'o', '\362'},
 839     {'\'', 'O', '\323'}, {'\'', 'o', '\363'},
 840     {'^', 'O', '\324'},  {'^', 'o', '\364'},
 841     {'~', 'O', '\325'},  {'~', 'o', '\365'},
 842     {'"', 'O', '\326'},  {'"', 'o', '\366'},
 843     {'/', 'O', '\330'},  {'/', 'o', '\370'},
 844     {'`', 'U', '\331'},  {'`', 'u', '\371'},
 845     {'\'', 'U', '\332'}, {'\'', 'u', '\372'},
 846     {'^', 'U', '\333'},  {'^', 'u', '\373'},
 847     {'"', 'U', '\334'},  {'"', 'u', '\374'},
 848     {'\'', 'Y', '\335'}, {'\'', 'y', '\375'},
 849     {'T', 'H', '\336'},  {'t', 'h', '\376'},
 850     {'s', 's', '\337'},  {'"', 'y', '\377'},
 851     {'s', 'z', '\337'},  {'i', 'j', '\377'},
 852         /* iso-8859-2 uses this */
 853     {'<', 'L', '\245'},  {'<', 'l', '\265'},    /* caron */
 854     {'<', 'S', '\251'},  {'<', 's', '\271'},
 855     {'<', 'T', '\253'},  {'<', 't', '\273'},
 856     {'<', 'Z', '\256'},  {'<', 'z', '\276'},
 857     {'<', 'C', '\310'},  {'<', 'c', '\350'},
 858     {'<', 'E', '\314'},  {'<', 'e', '\354'},
 859     {'<', 'D', '\317'},  {'<', 'd', '\357'},
 860     {'<', 'N', '\322'},  {'<', 'n', '\362'},
 861     {'<', 'R', '\330'},  {'<', 'r', '\370'},
 862     {';', 'A', '\241'},  {';', 'a', '\261'},    /* ogonek */
 863     {';', 'E', '\312'},  {';', 'e', '\332'},
 864     {'\'', 'Z', '\254'}, {'\'', 'z', '\274'},   /* acute */
 865     {'\'', 'R', '\300'}, {'\'', 'r', '\340'},
 866     {'\'', 'L', '\305'}, {'\'', 'l', '\345'},
 867     {'\'', 'C', '\306'}, {'\'', 'c', '\346'},
 868     {'\'', 'N', '\321'}, {'\'', 'n', '\361'},
 869 /*  collision whith S, from iso-8859-9 !!! */
 870     {',', 'S', '\252'},  {',', 's', '\272'},    /* cedilla */
 871     {',', 'T', '\336'},  {',', 't', '\376'},
 872     {'.', 'Z', '\257'},  {'.', 'z', '\277'},    /* dot above */
 873     {'/', 'L', '\243'},  {'/', 'l', '\263'},    /* slash */
 874     {'/', 'D', '\320'},  {'/', 'd', '\360'},
 875     {'(', 'A', '\303'},  {'(', 'a', '\343'},    /* breve */
 876     {'\275', 'O', '\325'}, {'\275', 'o', '\365'},       /* double acute */
 877     {'\275', 'U', '\334'}, {'\275', 'u', '\374'},
 878     {'0', 'U', '\332'},  {'0', 'u', '\372'},    /* ring above */
 879         /* iso-8859-3 uses this */
 880     {'/', 'H', '\241'},  {'/', 'h', '\261'},    /* slash */
 881     {'>', 'H', '\246'},  {'>', 'h', '\266'},    /* circumflex */
 882     {'>', 'J', '\254'},  {'>', 'j', '\274'},
 883     {'>', 'C', '\306'},  {'>', 'c', '\346'},
 884     {'>', 'G', '\330'},  {'>', 'g', '\370'},
 885     {'>', 'S', '\336'},  {'>', 's', '\376'},
 886 /*  collision whith G( from iso-8859-9 !!!   */
 887     {'(', 'G', '\253'},  {'(', 'g', '\273'},    /* breve */
 888     {'(', 'U', '\335'},  {'(', 'u', '\375'},
 889 /*  collision whith I. from iso-8859-3 !!!   */
 890     {'.', 'I', '\251'},  {'.', 'i', '\271'},    /* dot above */
 891     {'.', 'C', '\305'},  {'.', 'c', '\345'},
 892     {'.', 'G', '\325'},  {'.', 'g', '\365'},
 893         /* iso-8859-4 uses this */
 894     {',', 'R', '\243'},  {',', 'r', '\263'},    /* cedilla */
 895     {',', 'L', '\246'},  {',', 'l', '\266'},
 896     {',', 'G', '\253'},  {',', 'g', '\273'},
 897     {',', 'N', '\321'},  {',', 'n', '\361'},
 898     {',', 'K', '\323'},  {',', 'k', '\363'},
 899     {'~', 'I', '\245'},  {'~', 'i', '\265'},    /* tilde */
 900     {'-', 'E', '\252'},  {'-', 'e', '\272'},    /* macron */
 901     {'-', 'A', '\300'},  {'-', 'a', '\340'},
 902     {'-', 'I', '\317'},  {'-', 'i', '\357'},
 903     {'-', 'O', '\322'},  {'-', 'o', '\362'},
 904     {'-', 'U', '\336'},  {'-', 'u', '\376'},
 905     {'/', 'T', '\254'},  {'/', 't', '\274'},    /* slash */
 906     {'.', 'E', '\314'},  {'.', 'e', '\344'},    /* dot above */
 907     {';', 'I', '\307'},  {';', 'i', '\347'},    /* ogonek */
 908     {';', 'U', '\331'},  {';', 'u', '\371'},
 909         /* iso-8859-9 uses this */
 910         /* iso-8859-9 has really bad choosen G( S, and I. as they collide
 911          * whith the same letters on other iso-8859-x (that is they are on
 912          * different places :-( ), if you use turkish uncomment these and
 913          * comment out the lines in iso-8859-2 and iso-8859-3 sections
 914          * FIXME: should be dynamic according to chosen language
 915          *        if/when Wine has turkish support.
 916          */
 917 /*  collision whith G( from iso-8859-3 !!!   */
 918 /*  {'(', 'G', '\320'},  {'(', 'g', '\360'}, */ /* breve */
 919 /*  collision whith S, from iso-8859-2 !!! */
 920 /*  {',', 'S', '\336'},  {',', 's', '\376'}, */ /* cedilla */
 921 /*  collision whith I. from iso-8859-3 !!!   */
 922 /*  {'.', 'I', '\335'},  {'.', 'i', '\375'}, */ /* dot above */
 923 };
 924
 925
 926 /***********************************************************************
 927  *              TranslateMessage (USER32.@)
 928  *
 929  * Implementation of TranslateMessage.
 930  *
 931  * TranslateMessage translates virtual-key messages into character-messages,
 932  * as follows :
 933  * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
 934  * ditto replacing WM_* with WM_SYS*
 935  * This produces WM_CHAR messages only for keys mapped to ASCII characters
 936  * by the keyboard driver.
 937  */
 938 BOOL WINAPI TranslateMessage( const MSG *msg )
 939 {
 940     static int dead_char;
 941     UINT message;
 942     WCHAR wp[2];
 943
 944     if (msg->message >= WM_KEYFIRST && msg->message <= WM_KEYLAST)
 945         TRACE_(key)("(%s, %04X, %08lX)\n",
 946                     SPY_GetMsgName(msg->message, msg->hwnd), msg->wParam, msg->lParam );
 947
 948     if ((msg->message != WM_KEYDOWN) && (msg->message != WM_SYSKEYDOWN)) return FALSE;
 949
 950     TRACE_(key)("Translating key %s (%04x), scancode %02x\n",
 951                  SPY_GetVKeyName(msg->wParam), msg->wParam, LOBYTE(HIWORD(msg->lParam)));
 952
 953     /* FIXME : should handle ToUnicode yielding 2 */
 954     switch (ToUnicode(msg->wParam, HIWORD(msg->lParam), QueueKeyStateTable, wp, 2, 0))
 955     {
 956     case 1:
 957         message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
 958         /* Should dead chars handling go in ToAscii ? */
 959         if (dead_char)
 960         {
 961             int i;
 962
 963             if (wp[0] == ' ') wp[0] =  dead_char;
 964             if (dead_char == 0xa2) dead_char = '(';
 965             else if (dead_char == 0xa8) dead_char = '"';
 966             else if (dead_char == 0xb2) dead_char = ';';
 967             else if (dead_char == 0xb4) dead_char = '\'';
 968             else if (dead_char == 0xb7) dead_char = '<';
 969             else if (dead_char == 0xb8) dead_char = ',';
 970             else if (dead_char == 0xff) dead_char = '.';
 971             for (i = 0; i < sizeof(accent_chars)/sizeof(accent_chars[0]); i++)
 972                 if ((accent_chars[i].ac_accent == dead_char) &&
 973                     (accent_chars[i].ac_char == wp[0]))
 974                 {
 975                     wp[0] = accent_chars[i].ac_result;
 976                     break;
 977                 }
 978             dead_char = 0;
 979         }
 980         TRACE_(key)("1 -> PostMessage(%s)\n", SPY_GetMsgName(message, msg->hwnd));
 981         PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
 982         return TRUE;
 983
 984     case -1:
 985         message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
 986         dead_char = wp[0];
 987         TRACE_(key)("-1 -> PostMessage(%s)\n", SPY_GetMsgName(message, msg->hwnd));
 988         PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
 989         return TRUE;
 990     }
 991     return FALSE;
 992 }
 993
 994
 995 /***********************************************************************
 996  *              DispatchMessageA (USER32.@)
 997  */
 998 LONG WINAPI DispatchMessageA( const MSG* msg )
 999 {
1000     WND * wndPtr;
1001     LONG retval;
1002     int painting;
1003
1004       /* Process timer messages */
1005     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
1006     {
1007         if (msg->lParam)
1008         {
1009 /*            HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1010
1011             /* before calling window proc, verify whether timer is still valid;
1012                there's a slim chance that the application kills the timer
1013                between GetMessage and DispatchMessage API calls */
1014             if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
1015                 return 0; /* invalid winproc */
1016
1017             return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
1018                                    msg->message, msg->wParam, GetTickCount() );
1019         }
1020     }
1021
1022     if (!msg->hwnd) return 0;
1023     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
1024     if (!wndPtr->winproc)
1025     {
1026         retval = 0;
1027         goto END;
1028     }
1029     painting = (msg->message == WM_PAINT);
1030     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
1031 /*    HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1032
1033     SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
1034                       msg->wParam, msg->lParam );
1035     retval = CallWindowProcA( (WNDPROC)wndPtr->winproc,
1036                                 msg->hwnd, msg->message,
1037                                 msg->wParam, msg->lParam );
1038     SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
1039                      msg->wParam, msg->lParam );
1040
1041     WIN_ReleaseWndPtr(wndPtr);
1042     wndPtr = WIN_FindWndPtr(msg->hwnd);
1043
1044     if (painting && wndPtr &&
1045         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
1046     {
1047         ERR("BeginPaint not called on WM_PAINT for hwnd %04x!\n",
1048             msg->hwnd);
1049         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
1050         /* Validate the update region to avoid infinite WM_PAINT loop */
1051         RedrawWindow( wndPtr->hwndSelf, NULL, 0,
1052                       RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
1053     }
1054 END:
1055     WIN_ReleaseWndPtr(wndPtr);
1056     return retval;
1057 }
1058
1059
1060 /***********************************************************************
1061  *              DispatchMessageW (USER32.@) Process Message
1062  *
1063  * Process the message specified in the structure *_msg_.
1064  *
1065  * If the lpMsg parameter points to a WM_TIMER message and the
1066  * parameter of the WM_TIMER message is not NULL, the lParam parameter
1067  * points to the function that is called instead of the window
1068  * procedure.
1069  *
1070  * The message must be valid.
1071  *
1072  * RETURNS
1073  *
1074  *   DispatchMessage() returns the result of the window procedure invoked.
1075  *
1076  * CONFORMANCE
1077  *
1078  *   ECMA-234, Win32
1079  *
1080  */
1081 LONG WINAPI DispatchMessageW( const MSG* msg )
1082 {
1083     WND * wndPtr;
1084     LONG retval;
1085     int painting;
1086
1087       /* Process timer messages */
1088     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
1089     {
1090         if (msg->lParam)
1091         {
1092 /*            HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1093
1094             /* before calling window proc, verify whether timer is still valid;
1095                there's a slim chance that the application kills the timer
1096                between GetMessage and DispatchMessage API calls */
1097             if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
1098                 return 0; /* invalid winproc */
1099
1100             return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
1101                                    msg->message, msg->wParam, GetTickCount() );
1102         }
1103     }
1104
1105     if (!msg->hwnd) return 0;
1106     if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
1107     if (!wndPtr->winproc)
1108     {
1109         retval = 0;
1110         goto END;
1111     }
1112     painting = (msg->message == WM_PAINT);
1113     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
1114 /*    HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1115
1116     SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
1117                       msg->wParam, msg->lParam );
1118     retval = CallWindowProcW( (WNDPROC)wndPtr->winproc,
1119                                 msg->hwnd, msg->message,
1120                                 msg->wParam, msg->lParam );
1121     SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
1122                      msg->wParam, msg->lParam );
1123
1124     WIN_ReleaseWndPtr(wndPtr);
1125     wndPtr = WIN_FindWndPtr(msg->hwnd);
1126
1127     if (painting && wndPtr &&
1128         (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
1129     {
1130         ERR("BeginPaint not called on WM_PAINT for hwnd %04x!\n",
1131             msg->hwnd);
1132         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
1133         /* Validate the update region to avoid infinite WM_PAINT loop */
1134         RedrawWindow( wndPtr->hwndSelf, NULL, 0,
1135                       RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
1136     }
1137 END:
1138     WIN_ReleaseWndPtr(wndPtr);
1139     return retval;
1140 }
1141
1142
1143 /***********************************************************************
1144  *              RegisterWindowMessage (USER.118)
1145  *              RegisterWindowMessageA (USER32.@)
1146  */
1147 WORD WINAPI RegisterWindowMessageA( LPCSTR str )
1148 {
1149     TRACE("%s\n", str );
1150     return GlobalAddAtomA( str );
1151 }
1152
1153
1154 /***********************************************************************
1155  *              RegisterWindowMessageW (USER32.@)
1156  */
1157 WORD WINAPI RegisterWindowMessageW( LPCWSTR str )
1158 {
1159     TRACE("%p\n", str );
1160     return GlobalAddAtomW( str );
1161 }
1162
1163
1164 /***********************************************************************
1165  *              BroadcastSystemMessage (USER32.@)
1166  */
1167 LONG WINAPI BroadcastSystemMessage(
1168         DWORD dwFlags,LPDWORD recipients,UINT uMessage,WPARAM wParam,
1169         LPARAM lParam
1170 ) {
1171         FIXME("(%08lx,%08lx,%08x,%08x,%08lx): stub!\n",
1172               dwFlags,*recipients,uMessage,wParam,lParam
1173         );
1174         return 0;
1175 }