windows/message.c

   1 /*
   2  * Message queues related functions
   3  *
   4  * Copyright 1993, 1994 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <ctype.h>
  24 #include <sys/time.h>
  25 #include <sys/types.h>
  26
  27 #include "winbase.h"
  28 #include "wingdi.h"
  29 #include "winuser.h"
  30 #include "message.h"
  31 #include "winerror.h"
  32 #include "wine/server.h"
  33 #include "win.h"
  34 #include "heap.h"
  35 #include "hook.h"
  36 #include "input.h"
  37 #include "spy.h"
  38 #include "winpos.h"
  39 #include "dde.h"
  40 #include "queue.h"
  41 #include "winproc.h"
  42 #include "user.h"
  43 #include "thread.h"
  44 #include "task.h"
  45 #include "controls.h"
  46 #include "wine/debug.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(msg);
  49 WINE_DECLARE_DEBUG_CHANNEL(key);
  50
  51 #define WM_NCMOUSEFIRST         WM_NCMOUSEMOVE
  52 #define WM_NCMOUSELAST          WM_NCMBUTTONDBLCLK
  53
  54 static BYTE QueueKeyStateTable[256];
  55
  56
  57 /***********************************************************************
  58  *           is_keyboard_message
  59  */
  60 inline static BOOL is_keyboard_message( UINT message )
  61 {
  62     return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
  63 }
  64
  65
  66 /***********************************************************************
  67  *           is_mouse_message
  68  */
  69 inline static BOOL is_mouse_message( UINT message )
  70 {
  71     return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
  72             (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
  73 }
  74
  75
  76 /***********************************************************************
  77  *           check_message_filter
  78  */
  79 inline static BOOL check_message_filter( const MSG *msg, HWND hwnd, UINT first, UINT last )
  80 {
  81     if (hwnd)
  82     {
  83         if (msg->hwnd != hwnd && !IsChild( hwnd, msg->hwnd )) return FALSE;
  84     }
  85     if (first || last)
  86     {
  87        return (msg->message >= first && msg->message <= last);
  88     }
  89     return TRUE;
  90 }
  91
  92
  93 /***********************************************************************
  94  *           process_sent_messages
  95  *
  96  * Process all pending sent messages.
  97  */
  98 inline static void process_sent_messages(void)
  99 {
 100     MSG msg;
 101     MSG_peek_message( &msg, 0, 0, 0, GET_MSG_REMOVE | GET_MSG_SENT_ONLY );
 102 }
 103
 104
 105 /***********************************************************************
 106  *           queue_hardware_message
 107  *
 108  * store a hardware message in the thread queue
 109  */
 110 static void queue_hardware_message( MSG *msg, ULONG_PTR extra_info, enum message_type type )
 111 {
 112     SERVER_START_REQ( send_message )
 113     {
 114         req->type   = type;
 115         req->id     = (void *)GetWindowThreadProcessId( msg->hwnd, NULL );
 116         req->win    = msg->hwnd;
 117         req->msg    = msg->message;
 118         req->wparam = msg->wParam;
 119         req->lparam = msg->lParam;
 120         req->x      = msg->pt.x;
 121         req->y      = msg->pt.y;
 122         req->time   = msg->time;
 123         req->info   = extra_info;
 124         req->timeout = 0;
 125         wine_server_call( req );
 126     }
 127     SERVER_END_REQ;
 128 }
 129
 130
 131 /***********************************************************************
 132  *           update_queue_key_state
 133  */
 134 static void update_queue_key_state( UINT msg, WPARAM wp )
 135 {
 136     BOOL down = FALSE;
 137
 138     switch (msg)
 139     {
 140     case WM_LBUTTONDOWN:
 141         down = TRUE;
 142         /* fall through */
 143     case WM_LBUTTONUP:
 144         wp = VK_LBUTTON;
 145         break;
 146     case WM_MBUTTONDOWN:
 147         down = TRUE;
 148         /* fall through */
 149     case WM_MBUTTONUP:
 150         wp = VK_MBUTTON;
 151         break;
 152     case WM_RBUTTONDOWN:
 153         down = TRUE;
 154         /* fall through */
 155     case WM_RBUTTONUP:
 156         wp = VK_RBUTTON;
 157         break;
 158     case WM_KEYDOWN:
 159     case WM_SYSKEYDOWN:
 160         down = TRUE;
 161         /* fall through */
 162     case WM_KEYUP:
 163     case WM_SYSKEYUP:
 164         wp = wp & 0xff;
 165         break;
 166     }
 167     if (down)
 168     {
 169         BYTE *p = &QueueKeyStateTable[wp];
 170         if (!(*p & 0x80)) *p ^= 0x01;
 171         *p |= 0x80;
 172     }
 173     else QueueKeyStateTable[wp] &= ~0x80;
 174 }
 175
 176
 177 /***********************************************************************
 178  *           MSG_SendParentNotify
 179  *
 180  * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
 181  * the window has the WS_EX_NOPARENTNOTIFY style.
 182  */
 183 static void MSG_SendParentNotify( HWND hwnd, WORD event, WORD idChild, POINT pt )
 184 {
 185     /* pt has to be in the client coordinates of the parent window */
 186     MapWindowPoints( 0, hwnd, &pt, 1 );
 187     for (;;)
 188     {
 189         HWND parent;
 190
 191         if (!(GetWindowLongA( hwnd, GWL_STYLE ) & WS_CHILD)) break;
 192         if (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
 193         if (!(parent = GetParent(hwnd))) break;
 194         MapWindowPoints( hwnd, parent, &pt, 1 );
 195         hwnd = parent;
 196         SendMessageA( hwnd, WM_PARENTNOTIFY,
 197                       MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
 198     }
 199 }
 200
 201
 202 /***********************************************************************
 203  *          MSG_JournalPlayBackMsg
 204  *
 205  * Get an EVENTMSG struct via call JOURNALPLAYBACK hook function
 206  */
 207 void MSG_JournalPlayBackMsg(void)
 208 {
 209     EVENTMSG tmpMsg;
 210     MSG msg;
 211     LRESULT wtime;
 212     int keyDown,i;
 213
 214     if (!HOOK_IsHooked( WH_JOURNALPLAYBACK )) return;
 215
 216     wtime=HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_GETNEXT, 0, (LPARAM)&tmpMsg );
 217     /*  TRACE(msg,"Playback wait time =%ld\n",wtime); */
 218     if (wtime<=0)
 219     {
 220         wtime=0;
 221         msg.message = tmpMsg.message;
 222         msg.hwnd    = tmpMsg.hwnd;
 223         msg.time    = tmpMsg.time;
 224         if ((tmpMsg.message >= WM_KEYFIRST) && (tmpMsg.message <= WM_KEYLAST))
 225         {
 226             msg.wParam  = tmpMsg.paramL & 0xFF;
 227             msg.lParam  = MAKELONG(tmpMsg.paramH&0x7ffff,tmpMsg.paramL>>8);
 228             if (tmpMsg.message == WM_KEYDOWN || tmpMsg.message == WM_SYSKEYDOWN)
 229             {
 230                 for (keyDown=i=0; i<256 && !keyDown; i++)
 231                     if (InputKeyStateTable[i] & 0x80)
 232                         keyDown++;
 233                 if (!keyDown)
 234                     msg.lParam |= 0x40000000;
 235                 InputKeyStateTable[msg.wParam] |= 0x80;
 236                 AsyncKeyStateTable[msg.wParam] |= 0x80;
 237             }
 238             else                                       /* WM_KEYUP, WM_SYSKEYUP */
 239             {
 240                 msg.lParam |= 0xC0000000;
 241                 InputKeyStateTable[msg.wParam] &= ~0x80;
 242             }
 243             if (InputKeyStateTable[VK_MENU] & 0x80)
 244                 msg.lParam |= 0x20000000;
 245             if (tmpMsg.paramH & 0x8000)              /*special_key bit*/
 246                 msg.lParam |= 0x01000000;
 247
 248             msg.pt.x = msg.pt.y = 0;
 249             queue_hardware_message( &msg, 0, MSG_HARDWARE_RAW );
 250         }
 251         else if ((tmpMsg.message>= WM_MOUSEFIRST) && (tmpMsg.message <= WM_MOUSELAST))
 252         {
 253             switch (tmpMsg.message)
 254             {
 255             case WM_LBUTTONDOWN:
 256                 InputKeyStateTable[VK_LBUTTON] |= 0x80;
 257                 AsyncKeyStateTable[VK_LBUTTON] |= 0x80;
 258                 break;
 259             case WM_LBUTTONUP:
 260                 InputKeyStateTable[VK_LBUTTON] &= ~0x80;
 261                 break;
 262             case WM_MBUTTONDOWN:
 263                 InputKeyStateTable[VK_MBUTTON] |= 0x80;
 264                 AsyncKeyStateTable[VK_MBUTTON] |= 0x80;
 265                 break;
 266             case WM_MBUTTONUP:
 267                 InputKeyStateTable[VK_MBUTTON] &= ~0x80;
 268                 break;
 269             case WM_RBUTTONDOWN:
 270                 InputKeyStateTable[VK_RBUTTON] |= 0x80;
 271                 AsyncKeyStateTable[VK_RBUTTON] |= 0x80;
 272                 break;
 273             case WM_RBUTTONUP:
 274                 InputKeyStateTable[VK_RBUTTON] &= ~0x80;
 275                 break;
 276             }
 277             SetCursorPos(tmpMsg.paramL,tmpMsg.paramH);
 278             msg.lParam=MAKELONG(tmpMsg.paramL,tmpMsg.paramH);
 279             msg.wParam=0;
 280             if (InputKeyStateTable[VK_LBUTTON] & 0x80) msg.wParam |= MK_LBUTTON;
 281             if (InputKeyStateTable[VK_MBUTTON] & 0x80) msg.wParam |= MK_MBUTTON;
 282             if (InputKeyStateTable[VK_RBUTTON] & 0x80) msg.wParam |= MK_RBUTTON;
 283
 284             msg.pt.x = tmpMsg.paramL;
 285             msg.pt.y = tmpMsg.paramH;
 286             queue_hardware_message( &msg, 0, MSG_HARDWARE_RAW );
 287         }
 288         HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_SKIP, 0, (LPARAM)&tmpMsg);
 289     }
 290     else
 291     {
 292         if( tmpMsg.message == WM_QUEUESYNC )
 293             if (HOOK_IsHooked( WH_CBT ))
 294                 HOOK_CallHooksA( WH_CBT, HCBT_QS, 0, 0L);
 295     }
 296 }
 297
 298
 299 /***********************************************************************
 300  *          process_raw_keyboard_message
 301  *
 302  * returns TRUE if the contents of 'msg' should be passed to the application
 303  */
 304 static BOOL process_raw_keyboard_message( MSG *msg, ULONG_PTR extra_info )
 305 {
 306     if (!(msg->hwnd = GetFocus()))
 307     {
 308         /* Send the message to the active window instead,  */
 309         /* translating messages to their WM_SYS equivalent */
 310         msg->hwnd = GetActiveWindow();
 311         if (msg->message < WM_SYSKEYDOWN) msg->message += WM_SYSKEYDOWN - WM_KEYDOWN;
 312     }
 313
 314     if (HOOK_IsHooked( WH_JOURNALRECORD ))
 315     {
 316         EVENTMSG event;
 317
 318         event.message = msg->message;
 319         event.hwnd    = msg->hwnd;
 320         event.time    = msg->time;
 321         event.paramL  = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
 322         event.paramH  = msg->lParam & 0x7FFF;
 323         if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
 324         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event );
 325     }
 326
 327     return (msg->hwnd != 0);
 328 }
 329
 330
 331 /***********************************************************************
 332  *          process_cooked_keyboard_message
 333  *
 334  * returns TRUE if the contents of 'msg' should be passed to the application
 335  */
 336 static BOOL process_cooked_keyboard_message( MSG *msg, BOOL remove )
 337 {
 338     if (remove)
 339     {
 340         update_queue_key_state( msg->message, msg->wParam );
 341
 342         /* Handle F1 key by sending out WM_HELP message */
 343         if ((msg->message == WM_KEYUP) &&
 344             (msg->wParam == VK_F1) &&
 345             (msg->hwnd != GetDesktopWindow()) &&
 346             !MENU_IsMenuActive())
 347         {
 348             HELPINFO hi;
 349             hi.cbSize = sizeof(HELPINFO);
 350             hi.iContextType = HELPINFO_WINDOW;
 351             hi.iCtrlId = GetWindowLongA( msg->hwnd, GWL_ID );
 352             hi.hItemHandle = msg->hwnd;
 353             hi.dwContextId = GetWindowContextHelpId( msg->hwnd );
 354             hi.MousePos = msg->pt;
 355             SendMessageA(msg->hwnd, WM_HELP, 0, (LPARAM)&hi);
 356         }
 357     }
 358
 359     if (HOOK_CallHooksA( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
 360                          LOWORD(msg->wParam), msg->lParam ))
 361     {
 362         /* skip this message */
 363         HOOK_CallHooksA( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam );
 364         return FALSE;
 365     }
 366     return TRUE;
 367 }
 368
 369
 370 /***********************************************************************
 371  *          process_raw_mouse_message
 372  *
 373  * returns TRUE if the contents of 'msg' should be passed to the application
 374  */
 375 static BOOL process_raw_mouse_message( MSG *msg, ULONG_PTR extra_info )
 376 {
 377     static MSG clk_msg;
 378
 379     POINT pt;
 380     INT ht, hittest;
 381
 382     /* find the window to dispatch this mouse message to */
 383
 384     hittest = HTCLIENT;
 385     if (!(msg->hwnd = PERQDATA_GetCaptureWnd( &ht )))
 386     {
 387         /* If no capture HWND, find window which contains the mouse position.
 388          * Also find the position of the cursor hot spot (hittest) */
 389         HWND hWndScope = (HWND)extra_info;
 390
 391         if (!IsWindow(hWndScope)) hWndScope = 0;
 392         if (!(msg->hwnd = WINPOS_WindowFromPoint( hWndScope, msg->pt, &hittest )))
 393             msg->hwnd = GetDesktopWindow();
 394         ht = hittest;
 395     }
 396
 397     if (HOOK_IsHooked( WH_JOURNALRECORD ))
 398     {
 399         EVENTMSG event;
 400         event.message = msg->message;
 401         event.time    = msg->time;
 402         event.hwnd    = msg->hwnd;
 403         event.paramL  = msg->pt.x;
 404         event.paramH  = msg->pt.y;
 405         HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event );
 406     }
 407
 408     /* translate double clicks */
 409
 410     if ((msg->message == WM_LBUTTONDOWN) ||
 411         (msg->message == WM_RBUTTONDOWN) ||
 412         (msg->message == WM_MBUTTONDOWN))
 413     {
 414         BOOL update = TRUE;
 415         /* translate double clicks -
 416          * note that ...MOUSEMOVEs can slip in between
 417          * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
 418
 419         if (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS || ht != HTCLIENT )
 420         {
 421            if ((msg->message == clk_msg.message) &&
 422                (msg->hwnd == clk_msg.hwnd) &&
 423                (msg->time - clk_msg.time < GetDoubleClickTime()) &&
 424                (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
 425                (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
 426            {
 427                msg->message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
 428                clk_msg.message = 0;
 429                update = FALSE;
 430            }
 431         }
 432         /* update static double click conditions */
 433         if (update) clk_msg = *msg;
 434     }
 435
 436     pt = msg->pt;
 437     /* Note: windows has no concept of a non-client wheel message */
 438     if (hittest != HTCLIENT && msg->message != WM_MOUSEWHEEL)
 439     {
 440         msg->message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
 441         msg->wParam = hittest;
 442     }
 443     else ScreenToClient( msg->hwnd, &pt );
 444     msg->lParam = MAKELONG( pt.x, pt.y );
 445     return TRUE;
 446 }
 447
 448
 449 /***********************************************************************
 450  *          process_cooked_mouse_message
 451  *
 452  * returns TRUE if the contents of 'msg' should be passed to the application
 453  */
 454 static BOOL process_cooked_mouse_message( MSG *msg, ULONG_PTR extra_info, BOOL remove )
 455 {
 456     INT hittest = HTCLIENT;
 457     UINT raw_message = msg->message;
 458     BOOL eatMsg;
 459
 460     if (msg->message >= WM_NCMOUSEFIRST && msg->message <= WM_NCMOUSELAST)
 461     {
 462         raw_message += WM_MOUSEFIRST - WM_NCMOUSEFIRST;
 463         hittest = msg->wParam;
 464     }
 465     if (raw_message == WM_LBUTTONDBLCLK ||
 466         raw_message == WM_RBUTTONDBLCLK ||
 467         raw_message == WM_MBUTTONDBLCLK)
 468     {
 469         raw_message += WM_LBUTTONDOWN - WM_LBUTTONDBLCLK;
 470     }
 471
 472     if (remove) update_queue_key_state( raw_message, 0 );
 473
 474     if (HOOK_IsHooked( WH_MOUSE ))
 475     {
 476         MOUSEHOOKSTRUCT hook;
 477         hook.pt           = msg->pt;
 478         hook.hwnd         = msg->hwnd;
 479         hook.wHitTestCode = hittest;
 480         hook.dwExtraInfo  = extra_info;
 481         if (HOOK_CallHooksA( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
 482                              msg->message, (LPARAM)&hook ))
 483         {
 484             hook.pt           = msg->pt;
 485             hook.hwnd         = msg->hwnd;
 486             hook.wHitTestCode = hittest;
 487             hook.dwExtraInfo  = extra_info;
 488             HOOK_CallHooksA( WH_CBT, HCBT_CLICKSKIPPED, msg->message, (LPARAM)&hook );
 489             return FALSE;
 490         }
 491     }
 492
 493     if ((hittest == HTERROR) || (hittest == HTNOWHERE))
 494     {
 495         SendMessageA( msg->hwnd, WM_SETCURSOR, msg->hwnd, MAKELONG( hittest, raw_message ));
 496         return FALSE;
 497     }
 498
 499     if (!remove || GetCapture()) return TRUE;
 500
 501     eatMsg = FALSE;
 502
 503     if ((raw_message == WM_LBUTTONDOWN) ||
 504         (raw_message == WM_RBUTTONDOWN) ||
 505         (raw_message == WM_MBUTTONDOWN))
 506     {
 507         HWND hwndTop = GetAncestor( msg->hwnd, GA_ROOT );
 508
 509         /* Send the WM_PARENTNOTIFY,
 510          * note that even for double/nonclient clicks
 511          * notification message is still WM_L/M/RBUTTONDOWN.
 512          */
 513         MSG_SendParentNotify( msg->hwnd, raw_message, 0, msg->pt );
 514
 515         /* Activate the window if needed */
 516
 517         if (msg->hwnd != GetActiveWindow() && hwndTop != GetDesktopWindow())
 518         {
 519             LONG ret = SendMessageA( msg->hwnd, WM_MOUSEACTIVATE, hwndTop,
 520                                      MAKELONG( hittest, raw_message ) );
 521
 522             switch(ret)
 523             {
 524             case MA_NOACTIVATEANDEAT:
 525                 eatMsg = TRUE;
 526                 /* fall through */
 527             case MA_NOACTIVATE:
 528                 break;
 529             case MA_ACTIVATEANDEAT:
 530                 eatMsg = TRUE;
 531                 /* fall through */
 532             case MA_ACTIVATE:
 533             case 0:
 534                 if (hwndTop != GetForegroundWindow() )
 535                 {
 536                     if (!WINPOS_SetActiveWindow( hwndTop, TRUE , TRUE ))
 537                         eatMsg = TRUE;
 538                 }
 539                 break;
 540             default:
 541                 WARN( "unknown WM_MOUSEACTIVATE code %ld\n", ret );
 542                 break;
 543             }
 544         }
 545     }
 546
 547     /* send the WM_SETCURSOR message */
 548
 549     /* Windows sends the normal mouse message as the message parameter
 550        in the WM_SETCURSOR message even if it's non-client mouse message */
 551     SendMessageA( msg->hwnd, WM_SETCURSOR, msg->hwnd, MAKELONG( hittest, raw_message ));
 552
 553     return !eatMsg;
 554 }
 555
 556
 557 /***********************************************************************
 558  *          process_hardware_message
 559  *
 560  * returns TRUE if the contents of 'msg' should be passed to the application
 561  */
 562 BOOL MSG_process_raw_hardware_message( MSG *msg, ULONG_PTR extra_info, HWND hwnd_filter,
 563                                        UINT first, UINT last, BOOL remove )
 564 {
 565     if (is_keyboard_message( msg->message ))
 566     {
 567         if (!process_raw_keyboard_message( msg, extra_info )) return FALSE;
 568     }
 569     else if (is_mouse_message( msg->message ))
 570     {
 571         if (!process_raw_mouse_message( msg, extra_info )) return FALSE;
 572     }
 573     else
 574     {
 575         ERR( "unknown message type %x\n", msg->message );
 576         return FALSE;
 577     }
 578
 579     /* check destination thread and filters */
 580     if (!check_message_filter( msg, hwnd_filter, first, last ) ||
 581         !WIN_IsCurrentThread( msg->hwnd ))
 582     {
 583         /* queue it for later, or for another thread */
 584         queue_hardware_message( msg, extra_info, MSG_HARDWARE_COOKED );
 585         return FALSE;
 586     }
 587
 588     /* save the message in the cooked queue if we didn't want to remove it */
 589     if (!remove) queue_hardware_message( msg, extra_info, MSG_HARDWARE_COOKED );
 590     return TRUE;
 591 }
 592
 593
 594 /***********************************************************************
 595  *          MSG_process_cooked_hardware_message
 596  *
 597  * returns TRUE if the contents of 'msg' should be passed to the application
 598  */
 599 BOOL MSG_process_cooked_hardware_message( MSG *msg, ULONG_PTR extra_info, BOOL remove )
 600 {
 601     if (is_keyboard_message( msg->message ))
 602         return process_cooked_keyboard_message( msg, remove );
 603
 604     if (is_mouse_message( msg->message ))
 605         return process_cooked_mouse_message( msg, extra_info, remove );
 606
 607     ERR( "unknown message type %x\n", msg->message );
 608     return FALSE;
 609 }
 610
 611
 612 /**********************************************************************
 613  *              GetKeyState (USER.106)
 614  */
 615 INT16 WINAPI GetKeyState16(INT16 vkey)
 616 {
 617     return GetKeyState(vkey);
 618 }
 619
 620
 621 /**********************************************************************
 622  *              GetKeyState (USER32.@)
 623  *
 624  * An application calls the GetKeyState function in response to a
 625  * keyboard-input message.  This function retrieves the state of the key
 626  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 390)
 627  */
 628 SHORT WINAPI GetKeyState(INT vkey)
 629 {
 630     INT retval;
 631
 632     if (vkey >= 'a' && vkey <= 'z') vkey += 'A' - 'a';
 633     retval = ((WORD)(QueueKeyStateTable[vkey] & 0x80) << 8 ) | (QueueKeyStateTable[vkey] & 0x01);
 634     /* TRACE(key, "(0x%x) -> %x\n", vkey, retval); */
 635     return retval;
 636 }
 637
 638
 639 /**********************************************************************
 640  *              GetKeyboardState (USER.222)
 641  *              GetKeyboardState (USER32.@)
 642  *
 643  * An application calls the GetKeyboardState function in response to a
 644  * keyboard-input message.  This function retrieves the state of the keyboard
 645  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 387)
 646  */
 647 BOOL WINAPI GetKeyboardState(LPBYTE lpKeyState)
 648 {
 649     TRACE_(key)("(%p)\n", lpKeyState);
 650     if (lpKeyState) memcpy(lpKeyState, QueueKeyStateTable, 256);
 651     return TRUE;
 652 }
 653
 654
 655 /**********************************************************************
 656  *              SetKeyboardState (USER.223)
 657  *              SetKeyboardState (USER32.@)
 658  */
 659 BOOL WINAPI SetKeyboardState(LPBYTE lpKeyState)
 660 {
 661     TRACE_(key)("(%p)\n", lpKeyState);
 662     if (lpKeyState) memcpy(QueueKeyStateTable, lpKeyState, 256);
 663     return TRUE;
 664 }
 665
 666
 667 /***********************************************************************
 668  *              WaitMessage (USER.112) Suspend thread pending messages
 669  *              WaitMessage (USER32.@) Suspend thread pending messages
 670  *
 671  * WaitMessage() suspends a thread until events appear in the thread's
 672  * queue.
 673  */
 674 BOOL WINAPI WaitMessage(void)
 675 {
 676     return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
 677 }
 678
 679
 680 /***********************************************************************
 681  *              MsgWaitForMultipleObjectsEx   (USER32.@)
 682  */
 683 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles,
 684                                           DWORD timeout, DWORD mask, DWORD flags )
 685 {
 686     HANDLE handles[MAXIMUM_WAIT_OBJECTS];
 687     DWORD i, ret;
 688     MESSAGEQUEUE *msgQueue;
 689
 690     if (count > MAXIMUM_WAIT_OBJECTS-1)
 691     {
 692         SetLastError( ERROR_INVALID_PARAMETER );
 693         return WAIT_FAILED;
 694     }
 695
 696     if (!(msgQueue = QUEUE_Current())) return WAIT_FAILED;
 697
 698     /* set the queue mask */
 699     SERVER_START_REQ( set_queue_mask )
 700     {
 701         req->wake_mask    = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
 702         req->changed_mask = mask;
 703         req->skip_wait    = 0;
 704         wine_server_call( req );
 705     }
 706     SERVER_END_REQ;
 707
 708     /* Add the thread event to the handle list */
 709     for (i = 0; i < count; i++) handles[i] = pHandles[i];
 710     handles[count] = msgQueue->server_queue;
 711
 712
 713     if (USER_Driver.pMsgWaitForMultipleObjectsEx)
 714     {
 715         ret = USER_Driver.pMsgWaitForMultipleObjectsEx( count+1, handles, timeout, mask, flags );
 716         if (ret == count+1) ret = count; /* pretend the msg queue is ready */
 717     }
 718     else
 719         ret = WaitForMultipleObjectsEx( count+1, handles, flags & MWMO_WAITALL,
 720                                         timeout, flags & MWMO_ALERTABLE );
 721     return ret;
 722 }
 723
 724
 725 /***********************************************************************
 726  *              MsgWaitForMultipleObjects (USER32.@)
 727  */
 728 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles,
 729                                         BOOL wait_all, DWORD timeout, DWORD mask )
 730 {
 731     return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
 732                                         wait_all ? MWMO_WAITALL : 0 );
 733 }
 734
 735
 736 /***********************************************************************
 737  *              WaitForInputIdle (USER32.@)
 738  */
 739 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
 740 {
 741     DWORD start_time, elapsed, ret;
 742     HANDLE idle_event = -1;
 743
 744     SERVER_START_REQ( wait_input_idle )
 745     {
 746         req->handle = hProcess;
 747         req->timeout = dwTimeOut;
 748         if (!(ret = wine_server_call_err( req ))) idle_event = reply->event;
 749     }
 750     SERVER_END_REQ;
 751     if (ret) return WAIT_FAILED;  /* error */
 752     if (!idle_event) return 0;  /* no event to wait on */
 753
 754     start_time = GetTickCount();
 755     elapsed = 0;
 756
 757     TRACE("waiting for %x\n", idle_event );
 758     do
 759     {
 760         ret = MsgWaitForMultipleObjects ( 1, &idle_event, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
 761         switch (ret)
 762         {
 763         case WAIT_OBJECT_0+1:
 764             process_sent_messages();
 765             break;
 766         case WAIT_TIMEOUT:
 767         case WAIT_FAILED:
 768             TRACE("timeout or error\n");
 769             return ret;
 770         default:
 771             TRACE("finished\n");
 772             return 0;
 773         }
 774         if (dwTimeOut != INFINITE)
 775         {
 776             elapsed = GetTickCount() - start_time;
 777             if (elapsed > dwTimeOut)
 778                 break;
 779         }
 780     }
 781     while (1);
 782
 783     return WAIT_TIMEOUT;
 784 }
 785
 786
 787 /***********************************************************************
 788  *              UserYield (USER.332)
 789  *              UserYield16 (USER32.@)
 790  */
 791 void WINAPI UserYield16(void)
 792 {
 793    DWORD count;
 794
 795     /* Handle sent messages */
 796     process_sent_messages();
 797
 798     /* Yield */
 799     ReleaseThunkLock(&count);
 800     if (count)
 801     {
 802         RestoreThunkLock(count);
 803         /* Handle sent messages again */
 804         process_sent_messages();
 805     }
 806 }
 807
 808
 809 struct accent_char
 810 {
 811     BYTE ac_accent;
 812     BYTE ac_char;
 813     BYTE ac_result;
 814 };
 815
 816 static const struct accent_char accent_chars[] =
 817 {
 818 /* A good idea should be to read /usr/X11/lib/X11/locale/iso8859-x/Compose */
 819     {'`', 'A', '\300'},  {'`', 'a', '\340'},
 820     {'\'', 'A', '\301'}, {'\'', 'a', '\341'},
 821     {'^', 'A', '\302'},  {'^', 'a', '\342'},
 822     {'~', 'A', '\303'},  {'~', 'a', '\343'},
 823     {'"', 'A', '\304'},  {'"', 'a', '\344'},
 824     {'O', 'A', '\305'},  {'o', 'a', '\345'},
 825     {'0', 'A', '\305'},  {'0', 'a', '\345'},
 826     {'A', 'A', '\305'},  {'a', 'a', '\345'},
 827     {'A', 'E', '\306'},  {'a', 'e', '\346'},
 828     {',', 'C', '\307'},  {',', 'c', '\347'},
 829     {'`', 'E', '\310'},  {'`', 'e', '\350'},
 830     {'\'', 'E', '\311'}, {'\'', 'e', '\351'},
 831     {'^', 'E', '\312'},  {'^', 'e', '\352'},
 832     {'"', 'E', '\313'},  {'"', 'e', '\353'},
 833     {'`', 'I', '\314'},  {'`', 'i', '\354'},
 834     {'\'', 'I', '\315'}, {'\'', 'i', '\355'},
 835     {'^', 'I', '\316'},  {'^', 'i', '\356'},
 836     {'"', 'I', '\317'},  {'"', 'i', '\357'},
 837     {'-', 'D', '\320'},  {'-', 'd', '\360'},
 838     {'~', 'N', '\321'},  {'~', 'n', '\361'},
 839     {'`', 'O', '\322'},  {'`', 'o', '\362'},
 840     {'\'', 'O', '\323'}, {'\'', 'o', '\363'},
 841     {'^', 'O', '\324'},  {'^', 'o', '\364'},
 842     {'~', 'O', '\325'},  {'~', 'o', '\365'},
 843     {'"', 'O', '\326'},  {'"', 'o', '\366'},
 844     {'/', 'O', '\330'},  {'/', 'o', '\370'},
 845     {'`', 'U', '\331'},  {'`', 'u', '\371'},
 846     {'\'', 'U', '\332'}, {'\'', 'u', '\372'},
 847     {'^', 'U', '\333'},  {'^', 'u', '\373'},
 848     {'"', 'U', '\334'},  {'"', 'u', '\374'},
 849     {'\'', 'Y', '\335'}, {'\'', 'y', '\375'},
 850     {'T', 'H', '\336'},  {'t', 'h', '\376'},
 851     {'s', 's', '\337'},  {'"', 'y', '\377'},
 852     {'s', 'z', '\337'},  {'i', 'j', '\377'},
 853         /* iso-8859-2 uses this */
 854     {'<', 'L', '\245'},  {'<', 'l', '\265'},    /* caron */
 855     {'<', 'S', '\251'},  {'<', 's', '\271'},
 856     {'<', 'T', '\253'},  {'<', 't', '\273'},
 857     {'<', 'Z', '\256'},  {'<', 'z', '\276'},
 858     {'<', 'C', '\310'},  {'<', 'c', '\350'},
 859     {'<', 'E', '\314'},  {'<', 'e', '\354'},
 860     {'<', 'D', '\317'},  {'<', 'd', '\357'},
 861     {'<', 'N', '\322'},  {'<', 'n', '\362'},
 862     {'<', 'R', '\330'},  {'<', 'r', '\370'},
 863     {';', 'A', '\241'},  {';', 'a', '\261'},    /* ogonek */
 864     {';', 'E', '\312'},  {';', 'e', '\332'},
 865     {'\'', 'Z', '\254'}, {'\'', 'z', '\274'},   /* acute */
 866     {'\'', 'R', '\300'}, {'\'', 'r', '\340'},
 867     {'\'', 'L', '\305'}, {'\'', 'l', '\345'},
 868     {'\'', 'C', '\306'}, {'\'', 'c', '\346'},
 869     {'\'', 'N', '\321'}, {'\'', 'n', '\361'},
 870 /*  collision whith S, from iso-8859-9 !!! */
 871     {',', 'S', '\252'},  {',', 's', '\272'},    /* cedilla */
 872     {',', 'T', '\336'},  {',', 't', '\376'},
 873     {'.', 'Z', '\257'},  {'.', 'z', '\277'},    /* dot above */
 874     {'/', 'L', '\243'},  {'/', 'l', '\263'},    /* slash */
 875     {'/', 'D', '\320'},  {'/', 'd', '\360'},
 876     {'(', 'A', '\303'},  {'(', 'a', '\343'},    /* breve */
 877     {'\275', 'O', '\325'}, {'\275', 'o', '\365'},       /* double acute */
 878     {'\275', 'U', '\334'}, {'\275', 'u', '\374'},
 879     {'0', 'U', '\332'},  {'0', 'u', '\372'},    /* ring above */
 880         /* iso-8859-3 uses this */
 881     {'/', 'H', '\241'},  {'/', 'h', '\261'},    /* slash */
 882     {'>', 'H', '\246'},  {'>', 'h', '\266'},    /* circumflex */
 883     {'>', 'J', '\254'},  {'>', 'j', '\274'},
 884     {'>', 'C', '\306'},  {'>', 'c', '\346'},
 885     {'>', 'G', '\330'},  {'>', 'g', '\370'},
 886     {'>', 'S', '\336'},  {'>', 's', '\376'},
 887 /*  collision whith G( from iso-8859-9 !!!   */
 888     {'(', 'G', '\253'},  {'(', 'g', '\273'},    /* breve */
 889     {'(', 'U', '\335'},  {'(', 'u', '\375'},
 890 /*  collision whith I. from iso-8859-3 !!!   */
 891     {'.', 'I', '\251'},  {'.', 'i', '\271'},    /* dot above */
 892     {'.', 'C', '\305'},  {'.', 'c', '\345'},
 893     {'.', 'G', '\325'},  {'.', 'g', '\365'},
 894         /* iso-8859-4 uses this */
 895     {',', 'R', '\243'},  {',', 'r', '\263'},    /* cedilla */
 896     {',', 'L', '\246'},  {',', 'l', '\266'},
 897     {',', 'G', '\253'},  {',', 'g', '\273'},
 898     {',', 'N', '\321'},  {',', 'n', '\361'},
 899     {',', 'K', '\323'},  {',', 'k', '\363'},
 900     {'~', 'I', '\245'},  {'~', 'i', '\265'},    /* tilde */
 901     {'-', 'E', '\252'},  {'-', 'e', '\272'},    /* macron */
 902     {'-', 'A', '\300'},  {'-', 'a', '\340'},
 903     {'-', 'I', '\317'},  {'-', 'i', '\357'},
 904     {'-', 'O', '\322'},  {'-', 'o', '\362'},
 905     {'-', 'U', '\336'},  {'-', 'u', '\376'},
 906     {'/', 'T', '\254'},  {'/', 't', '\274'},    /* slash */
 907     {'.', 'E', '\314'},  {'.', 'e', '\344'},    /* dot above */
 908     {';', 'I', '\307'},  {';', 'i', '\347'},    /* ogonek */
 909     {';', 'U', '\331'},  {';', 'u', '\371'},
 910         /* iso-8859-9 uses this */
 911         /* iso-8859-9 has really bad choosen G( S, and I. as they collide
 912          * whith the same letters on other iso-8859-x (that is they are on
 913          * different places :-( ), if you use turkish uncomment these and
 914          * comment out the lines in iso-8859-2 and iso-8859-3 sections
 915          * FIXME: should be dynamic according to chosen language
 916          *        if/when Wine has turkish support.
 917          */
 918 /*  collision whith G( from iso-8859-3 !!!   */
 919 /*  {'(', 'G', '\320'},  {'(', 'g', '\360'}, */ /* breve */
 920 /*  collision whith S, from iso-8859-2 !!! */
 921 /*  {',', 'S', '\336'},  {',', 's', '\376'}, */ /* cedilla */
 922 /*  collision whith I. from iso-8859-3 !!!   */
 923 /*  {'.', 'I', '\335'},  {'.', 'i', '\375'}, */ /* dot above */
 924 };
 925
 926
 927 /***********************************************************************
 928  *              TranslateMessage (USER32.@)
 929  *
 930  * Implementation of TranslateMessage.
 931  *
 932  * TranslateMessage translates virtual-key messages into character-messages,
 933  * as follows :
 934  * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
 935  * ditto replacing WM_* with WM_SYS*
 936  * This produces WM_CHAR messages only for keys mapped to ASCII characters
 937  * by the keyboard driver.
 938  */
 939 BOOL WINAPI TranslateMessage( const MSG *msg )
 940 {
 941     static int dead_char;
 942     UINT message;
 943     WCHAR wp[2];
 944
 945     if (msg->message >= WM_KEYFIRST && msg->message <= WM_KEYLAST)
 946         TRACE_(key)("(%s, %04X, %08lX)\n",
 947                     SPY_GetMsgName(msg->message, msg->hwnd), msg->wParam, msg->lParam );
 948
 949     if ((msg->message != WM_KEYDOWN) && (msg->message != WM_SYSKEYDOWN)) return FALSE;
 950
 951     TRACE_(key)("Translating key %s (%04x), scancode %02x\n",
 952                  SPY_GetVKeyName(msg->wParam), msg->wParam, LOBYTE(HIWORD(msg->lParam)));
 953
 954     /* FIXME : should handle ToUnicode yielding 2 */
 955     switch (ToUnicode(msg->wParam, HIWORD(msg->lParam), QueueKeyStateTable, wp, 2, 0))
 956     {
 957     case 1:
 958         message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
 959         /* Should dead chars handling go in ToAscii ? */
 960         if (dead_char)
 961         {
 962             int i;
 963
 964             if (wp[0] == ' ') wp[0] =  dead_char;
 965             if (dead_char == 0xa2) dead_char = '(';
 966             else if (dead_char == 0xa8) dead_char = '"';
 967             else if (dead_char == 0xb2) dead_char = ';';
 968             else if (dead_char == 0xb4) dead_char = '\'';
 969             else if (dead_char == 0xb7) dead_char = '<';
 970             else if (dead_char == 0xb8) dead_char = ',';
 971             else if (dead_char == 0xff) dead_char = '.';
 972             for (i = 0; i < sizeof(accent_chars)/sizeof(accent_chars[0]); i++)
 973                 if ((accent_chars[i].ac_accent == dead_char) &&
 974                     (accent_chars[i].ac_char == wp[0]))
 975                 {
 976                     wp[0] = accent_chars[i].ac_result;
 977                     break;
 978                 }
 979             dead_char = 0;
 980         }
 981         TRACE_(key)("1 -> PostMessage(%s)\n", SPY_GetMsgName(message, msg->hwnd));
 982         PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
 983         return TRUE;
 984
 985     case -1:
 986         message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
 987         dead_char = wp[0];
 988         TRACE_(key)("-1 -> PostMessage(%s)\n", SPY_GetMsgName(message, msg->hwnd));
 989         PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
 990         return TRUE;
 991     }
 992     return FALSE;
 993 }
 994
 995
 996 /***********************************************************************
 997  *              DispatchMessageA (USER32.@)
 998  */
 999 LONG WINAPI DispatchMessageA( const MSG* msg )
1000 {
1001     WND * wndPtr;
1002     LONG retval;
1003     int painting;
1004     WNDPROC winproc;
1005
1006       /* Process timer messages */
1007     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
1008     {
1009         if (msg->lParam)
1010         {
1011 /*            HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1012
1013             /* before calling window proc, verify whether timer is still valid;
1014                there's a slim chance that the application kills the timer
1015                between GetMessage and DispatchMessage API calls */
1016             if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
1017                 return 0; /* invalid winproc */
1018
1019             return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
1020                                    msg->message, msg->wParam, GetTickCount() );
1021         }
1022     }
1023
1024     if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
1025     {
1026         if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1027         return 0;
1028     }
1029     if (wndPtr == WND_OTHER_PROCESS)
1030     {
1031         if (IsWindow( msg->hwnd ))
1032             ERR( "cannot dispatch msg to other process window %x\n", msg->hwnd );
1033         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1034         return 0;
1035     }
1036     if (!(winproc = wndPtr->winproc))
1037     {
1038         WIN_ReleasePtr( wndPtr );
1039         return 0;
1040     }
1041     painting = (msg->message == WM_PAINT);
1042     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
1043     WIN_ReleasePtr( wndPtr );
1044 /*    hook_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1045
1046     SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
1047                       msg->wParam, msg->lParam );
1048     retval = CallWindowProcA( winproc, msg->hwnd, msg->message,
1049                               msg->wParam, msg->lParam );
1050     SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
1051                      msg->wParam, msg->lParam );
1052
1053     if (painting && (wndPtr = WIN_GetPtr( msg->hwnd )) && (wndPtr != WND_OTHER_PROCESS))
1054     {
1055         BOOL validate = ((wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate);
1056         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
1057         WIN_ReleasePtr( wndPtr );
1058         if (validate)
1059         {
1060             ERR( "BeginPaint not called on WM_PAINT for hwnd %04x!\n", msg->hwnd );
1061             /* Validate the update region to avoid infinite WM_PAINT loop */
1062             RedrawWindow( msg->hwnd, NULL, 0,
1063                           RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
1064         }
1065     }
1066     return retval;
1067 }
1068
1069
1070 /***********************************************************************
1071  *              DispatchMessageW (USER32.@) Process Message
1072  *
1073  * Process the message specified in the structure *_msg_.
1074  *
1075  * If the lpMsg parameter points to a WM_TIMER message and the
1076  * parameter of the WM_TIMER message is not NULL, the lParam parameter
1077  * points to the function that is called instead of the window
1078  * procedure.
1079  *
1080  * The message must be valid.
1081  *
1082  * RETURNS
1083  *
1084  *   DispatchMessage() returns the result of the window procedure invoked.
1085  *
1086  * CONFORMANCE
1087  *
1088  *   ECMA-234, Win32
1089  *
1090  */
1091 LONG WINAPI DispatchMessageW( const MSG* msg )
1092 {
1093     WND * wndPtr;
1094     LONG retval;
1095     int painting;
1096     WNDPROC winproc;
1097
1098       /* Process timer messages */
1099     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
1100     {
1101         if (msg->lParam)
1102         {
1103 /*            HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1104
1105             /* before calling window proc, verify whether timer is still valid;
1106                there's a slim chance that the application kills the timer
1107                between GetMessage and DispatchMessage API calls */
1108             if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
1109                 return 0; /* invalid winproc */
1110
1111             return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
1112                                    msg->message, msg->wParam, GetTickCount() );
1113         }
1114     }
1115
1116     if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
1117     {
1118         if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1119         return 0;
1120     }
1121     if (wndPtr == WND_OTHER_PROCESS)
1122     {
1123         if (IsWindow( msg->hwnd ))
1124             ERR( "cannot dispatch msg to other process window %x\n", msg->hwnd );
1125         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1126         return 0;
1127     }
1128     if (!(winproc = wndPtr->winproc))
1129     {
1130         WIN_ReleasePtr( wndPtr );
1131         return 0;
1132     }
1133     painting = (msg->message == WM_PAINT);
1134     if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
1135     WIN_ReleasePtr( wndPtr );
1136 /*    HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1137
1138     SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
1139                       msg->wParam, msg->lParam );
1140     retval = CallWindowProcW( winproc, msg->hwnd, msg->message,
1141                               msg->wParam, msg->lParam );
1142     SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
1143                      msg->wParam, msg->lParam );
1144
1145     if (painting && (wndPtr = WIN_GetPtr( msg->hwnd )) && (wndPtr != WND_OTHER_PROCESS))
1146     {
1147         BOOL validate = ((wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate);
1148         wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
1149         WIN_ReleasePtr( wndPtr );
1150         if (validate)
1151         {
1152             ERR( "BeginPaint not called on WM_PAINT for hwnd %04x!\n", msg->hwnd );
1153             /* Validate the update region to avoid infinite WM_PAINT loop */
1154             RedrawWindow( msg->hwnd, NULL, 0,
1155                           RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
1156         }
1157     }
1158     return retval;
1159 }
1160
1161
1162 /***********************************************************************
1163  *              RegisterWindowMessage (USER.118)
1164  *              RegisterWindowMessageA (USER32.@)
1165  */
1166 WORD WINAPI RegisterWindowMessageA( LPCSTR str )
1167 {
1168     TRACE("%s\n", str );
1169     return GlobalAddAtomA( str );
1170 }
1171
1172
1173 /***********************************************************************
1174  *              RegisterWindowMessageW (USER32.@)
1175  */
1176 WORD WINAPI RegisterWindowMessageW( LPCWSTR str )
1177 {
1178     TRACE("%p\n", str );
1179     return GlobalAddAtomW( str );
1180 }
1181
1182
1183 /***********************************************************************
1184  *              BroadcastSystemMessage (USER32.@)
1185  */
1186 LONG WINAPI BroadcastSystemMessage(
1187         DWORD dwFlags,LPDWORD recipients,UINT uMessage,WPARAM wParam,
1188         LPARAM lParam
1189 ) {
1190         FIXME("(%08lx,%08lx,%08x,%08x,%08lx): stub!\n",
1191               dwFlags,*recipients,uMessage,wParam,lParam
1192         );
1193         return 0;
1194 }