windows/input.c

   1 /*
   2  * USER Input processing
   3  *
   4  * Copyright 1993 Bob Amstadt
   5  * Copyright 1996 Albrecht Kleine
   6  * Copyright 1997 David Faure
   7  * Copyright 1998 Morten Welinder
   8  * Copyright 1998 Ulrich Weigand
   9  *
  10  */
  11
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include <stdio.h>
  15 #include <ctype.h>
  16 #include <assert.h>
  17
  18 #include "windef.h"
  19 #include "winnls.h"
  20 #include "wingdi.h"
  21 #include "winuser.h"
  22 #include "wine/winbase16.h"
  23 #include "wine/winuser16.h"
  24 #include "wine/keyboard16.h"
  25 #include "win.h"
  26 #include "heap.h"
  27 #include "input.h"
  28 #include "keyboard.h"
  29 #include "mouse.h"
  30 #include "message.h"
  31 #include "queue.h"
  32 #include "debugtools.h"
  33 #include "winerror.h"
  34 #include "task.h"
  35
  36 DECLARE_DEBUG_CHANNEL(event);
  37 DECLARE_DEBUG_CHANNEL(key);
  38 DECLARE_DEBUG_CHANNEL(keyboard);
  39 DECLARE_DEBUG_CHANNEL(win);
  40
  41 static BOOL InputEnabled = TRUE;
  42 BOOL SwappedButtons = FALSE;
  43
  44 BOOL MouseButtonsStates[3];
  45 BOOL AsyncMouseButtonsStates[3];
  46 BYTE InputKeyStateTable[256];
  47 BYTE QueueKeyStateTable[256];
  48 BYTE AsyncKeyStateTable[256];
  49
  50 /* Storage for the USER-maintained mouse positions */
  51 DWORD PosX, PosY;
  52
  53 typedef union
  54 {
  55     struct
  56     {
  57         unsigned long count : 16;
  58         unsigned long code : 8;
  59         unsigned long extended : 1;
  60         unsigned long unused : 2;
  61         unsigned long win_internal : 2;
  62         unsigned long context : 1;
  63         unsigned long previous : 1;
  64         unsigned long transition : 1;
  65     } lp1;
  66     unsigned long lp2;
  67 } KEYLP;
  68
  69 /***********************************************************************
  70  *           keybd_event   (USER32.583)
  71  */
  72 void WINAPI keybd_event( BYTE bVk, BYTE bScan,
  73                          DWORD dwFlags, DWORD dwExtraInfo )
  74 {
  75     DWORD time, extra;
  76     WORD message;
  77     KEYLP keylp;
  78     keylp.lp2 = 0;
  79
  80     if (!InputEnabled) return;
  81
  82     /*
  83      * If we are called by the Wine keyboard driver, use the additional
  84      * info pointed to by the dwExtraInfo argument.
  85      * Otherwise, we need to determine that info ourselves (probably
  86      * less accurate, but we can't help that ...).
  87      */
  88     if (   !IsBadReadPtr( (LPVOID)dwExtraInfo, sizeof(WINE_KEYBDEVENT) )
  89         && ((WINE_KEYBDEVENT *)dwExtraInfo)->magic == WINE_KEYBDEVENT_MAGIC )
  90     {
  91         WINE_KEYBDEVENT *wke = (WINE_KEYBDEVENT *)dwExtraInfo;
  92         time = wke->time;
  93         extra = 0;
  94     }
  95     else
  96     {
  97         time = GetTickCount();
  98         extra = dwExtraInfo;
  99     }
 100
 101
 102     keylp.lp1.count = 1;
 103     keylp.lp1.code = bScan;
 104     keylp.lp1.extended = (dwFlags & KEYEVENTF_EXTENDEDKEY) != 0;
 105     keylp.lp1.win_internal = 0; /* this has something to do with dialogs,
 106                                 * don't remember where I read it - AK */
 107                                 /* it's '1' under windows, when a dialog box appears
 108                                  * and you press one of the underlined keys - DF*/
 109
 110     if ( dwFlags & KEYEVENTF_KEYUP )
 111     {
 112         BOOL sysKey = (InputKeyStateTable[VK_MENU] & 0x80)
 113                 && !(InputKeyStateTable[VK_CONTROL] & 0x80)
 114                 && !(dwFlags & KEYEVENTF_WINE_FORCEEXTENDED); /* for Alt from AltGr */
 115
 116         InputKeyStateTable[bVk] &= ~0x80;
 117         keylp.lp1.previous = 1;
 118         keylp.lp1.transition = 1;
 119         message = sysKey ? WM_SYSKEYUP : WM_KEYUP;
 120     }
 121     else
 122     {
 123         keylp.lp1.previous = (InputKeyStateTable[bVk] & 0x80) != 0;
 124         keylp.lp1.transition = 0;
 125
 126         if (!(InputKeyStateTable[bVk] & 0x80))
 127             InputKeyStateTable[bVk] ^= 0x01;
 128         InputKeyStateTable[bVk] |= 0x80;
 129
 130         message = (InputKeyStateTable[VK_MENU] & 0x80)
 131               && !(InputKeyStateTable[VK_CONTROL] & 0x80)
 132               ? WM_SYSKEYDOWN : WM_KEYDOWN;
 133     }
 134
 135     if ( message == WM_SYSKEYDOWN || message == WM_SYSKEYUP )
 136         keylp.lp1.context = (InputKeyStateTable[VK_MENU] & 0x80) != 0; /* 1 if alt */
 137
 138
 139     TRACE_(key)("            wParam=%04X, lParam=%08lX\n", bVk, keylp.lp2 );
 140     TRACE_(key)("            InputKeyState=%X\n", InputKeyStateTable[bVk] );
 141
 142     hardware_event( message, bVk, keylp.lp2, PosX, PosY, time, extra );
 143 }
 144
 145 /***********************************************************************
 146  *           WIN16_keybd_event   (USER.289)
 147  */
 148 void WINAPI WIN16_keybd_event( CONTEXT86 *context )
 149 {
 150     DWORD dwFlags = 0;
 151
 152     if (AH_reg(context) & 0x80) dwFlags |= KEYEVENTF_KEYUP;
 153     if (BH_reg(context) & 1   ) dwFlags |= KEYEVENTF_EXTENDEDKEY;
 154
 155     keybd_event( AL_reg(context), BL_reg(context),
 156                  dwFlags, MAKELONG(SI_reg(context), DI_reg(context)) );
 157 }
 158
 159 /***********************************************************************
 160  *           mouse_event   (USER32.584)
 161  */
 162 void WINAPI mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
 163                          DWORD cButtons, DWORD dwExtraInfo )
 164 {
 165     DWORD time, extra;
 166     DWORD keyState;
 167
 168     if (!InputEnabled) return;
 169
 170     if ( dwFlags & MOUSEEVENTF_MOVE )
 171       {
 172         if ( dwFlags & MOUSEEVENTF_ABSOLUTE )
 173           {
 174             PosX = (dx * GetSystemMetrics(SM_CXSCREEN)) >> 16;
 175             PosY = (dy * GetSystemMetrics(SM_CYSCREEN)) >> 16;
 176           }
 177         else
 178           {
 179             int width  = GetSystemMetrics(SM_CXSCREEN);
 180             int height = GetSystemMetrics(SM_CYSCREEN);
 181             long posX = (long) PosX, posY = (long) PosY;
 182
 183             /* dx and dy can be negative numbers for relative movements */
 184             posX += (long) dx;
 185             posY += (long) dy;
 186
 187             /* Clip to the current screen size */
 188             if (posX < 0) PosX = 0;
 189             else if (posX >= width) PosX = width - 1;
 190             else PosX = posX;
 191
 192             if (posY < 0) PosY = 0;
 193             else if (posY >= height) PosY = height - 1;
 194             else PosY = posY;
 195           }
 196       }
 197
 198     /*
 199      * If we are called by the Wine mouse driver, use the additional
 200      * info pointed to by the dwExtraInfo argument.
 201      * Otherwise, we need to determine that info ourselves (probably
 202      * less accurate, but we can't help that ...).
 203      */
 204     if (   !IsBadReadPtr( (LPVOID)dwExtraInfo, sizeof(WINE_MOUSEEVENT) )
 205         && ((WINE_MOUSEEVENT *)dwExtraInfo)->magic == WINE_MOUSEEVENT_MAGIC )
 206     {
 207         WINE_MOUSEEVENT *wme = (WINE_MOUSEEVENT *)dwExtraInfo;
 208         time = wme->time;
 209         extra = (DWORD)wme->hWnd;
 210         keyState = wme->keyState;
 211
 212         if (keyState != GET_KEYSTATE()) {
 213           /* We need to update the keystate with what X provides us */
 214           MouseButtonsStates[SwappedButtons ? 2 : 0] = (keyState & MK_LBUTTON ? TRUE : FALSE);
 215           MouseButtonsStates[SwappedButtons ? 0 : 2] = (keyState & MK_RBUTTON ? TRUE : FALSE);
 216           MouseButtonsStates[1]                      = (keyState & MK_MBUTTON ? TRUE : FALSE);
 217           InputKeyStateTable[VK_SHIFT]               = (keyState & MK_SHIFT   ? 0x80 : 0);
 218           InputKeyStateTable[VK_CONTROL]             = (keyState & MK_CONTROL ? 0x80 : 0);
 219         }
 220     }
 221     else
 222     {
 223         time = GetTickCount();
 224         extra = dwExtraInfo;
 225         keyState = GET_KEYSTATE();
 226
 227         if ( dwFlags & MOUSEEVENTF_MOVE )
 228           {
 229             /* We have to actually move the cursor */
 230             SetCursorPos( PosX, PosY );
 231           }
 232     }
 233
 234
 235     if ( dwFlags & MOUSEEVENTF_MOVE )
 236     {
 237         hardware_event( WM_MOUSEMOVE,
 238                         keyState, 0L, PosX, PosY, time, extra );
 239     }
 240     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_LEFTDOWN : MOUSEEVENTF_RIGHTDOWN) )
 241     {
 242         MouseButtonsStates[0] = AsyncMouseButtonsStates[0] = TRUE;
 243         hardware_event( WM_LBUTTONDOWN,
 244                         keyState, 0L, PosX, PosY, time, extra );
 245     }
 246     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_LEFTUP : MOUSEEVENTF_RIGHTUP) )
 247     {
 248         MouseButtonsStates[0] = FALSE;
 249         hardware_event( WM_LBUTTONUP,
 250                         keyState, 0L, PosX, PosY, time, extra );
 251     }
 252     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_RIGHTDOWN : MOUSEEVENTF_LEFTDOWN) )
 253     {
 254         MouseButtonsStates[2] = AsyncMouseButtonsStates[2] = TRUE;
 255         hardware_event( WM_RBUTTONDOWN,
 256                         keyState, 0L, PosX, PosY, time, extra );
 257     }
 258     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_RIGHTUP : MOUSEEVENTF_LEFTUP) )
 259     {
 260         MouseButtonsStates[2] = FALSE;
 261         hardware_event( WM_RBUTTONUP,
 262                         keyState, 0L, PosX, PosY, time, extra );
 263     }
 264     if ( dwFlags & MOUSEEVENTF_MIDDLEDOWN )
 265     {
 266         MouseButtonsStates[1] = AsyncMouseButtonsStates[1] = TRUE;
 267         hardware_event( WM_MBUTTONDOWN,
 268                         keyState, 0L, PosX, PosY, time, extra );
 269     }
 270     if ( dwFlags & MOUSEEVENTF_MIDDLEUP )
 271     {
 272         MouseButtonsStates[1] = FALSE;
 273         hardware_event( WM_MBUTTONUP,
 274                         keyState, 0L, PosX, PosY, time, extra );
 275     }
 276     if ( dwFlags & MOUSEEVENTF_WHEEL )
 277     {
 278         hardware_event( WM_MOUSEWHEEL,
 279                         keyState, 0L, PosX, PosY, time, extra );
 280     }
 281 }
 282
 283 /***********************************************************************
 284  *           WIN16_mouse_event   (USER.299)
 285  */
 286 void WINAPI WIN16_mouse_event( CONTEXT86 *context )
 287 {
 288     mouse_event( AX_reg(context), BX_reg(context), CX_reg(context),
 289                  DX_reg(context), MAKELONG(SI_reg(context), DI_reg(context)) );
 290 }
 291
 292 /***********************************************************************
 293  *           GetMouseEventProc   (USER.337)
 294  */
 295 FARPROC16 WINAPI GetMouseEventProc16(void)
 296 {
 297     HMODULE16 hmodule = GetModuleHandle16("USER");
 298     return GetProcAddress16( hmodule, "mouse_event" );
 299 }
 300
 301
 302 /**********************************************************************
 303  *                      EnableHardwareInput   (USER.331)
 304  */
 305 BOOL16 WINAPI EnableHardwareInput16(BOOL16 bEnable)
 306 {
 307   BOOL16 bOldState = InputEnabled;
 308   FIXME_(event)("(%d) - stub\n", bEnable);
 309   InputEnabled = bEnable;
 310   return bOldState;
 311 }
 312
 313
 314 /***********************************************************************
 315  *           SwapMouseButton16   (USER.186)
 316  */
 317 BOOL16 WINAPI SwapMouseButton16( BOOL16 fSwap )
 318 {
 319     BOOL16 ret = SwappedButtons;
 320     SwappedButtons = fSwap;
 321     return ret;
 322 }
 323
 324
 325 /***********************************************************************
 326  *           SwapMouseButton   (USER32.537)
 327  */
 328 BOOL WINAPI SwapMouseButton( BOOL fSwap )
 329 {
 330     BOOL ret = SwappedButtons;
 331     SwappedButtons = fSwap;
 332     return ret;
 333 }
 334
 335 /**********************************************************************
 336  *              EVENT_Capture
 337  *
 338  * We need this to be able to generate double click messages
 339  * when menu code captures mouse in the window without CS_DBLCLK style.
 340  */
 341 HWND EVENT_Capture(HWND hwnd, INT16 ht)
 342 {
 343     HWND capturePrev = 0, captureWnd = 0;
 344     MESSAGEQUEUE *pMsgQ = 0, *pCurMsgQ = 0;
 345     WND* wndPtr = 0;
 346     INT16 captureHT = 0;
 347
 348     /* Get the messageQ for the current thread */
 349     if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
 350     {
 351         WARN_(win)("\tCurrent message queue not found. Exiting!\n" );
 352         goto CLEANUP;
 353     }
 354
 355     /* Get the current capture window from the perQ data of the current message Q */
 356     capturePrev = PERQDATA_GetCaptureWnd( pCurMsgQ->pQData );
 357
 358     if (!hwnd)
 359     {
 360         captureWnd = 0L;
 361         captureHT = 0;
 362     }
 363     else
 364     {
 365         wndPtr = WIN_FindWndPtr( hwnd );
 366         if (wndPtr)
 367         {
 368             TRACE_(win)("(0x%04x)\n", hwnd );
 369             captureWnd   = hwnd;
 370             captureHT    = ht;
 371         }
 372     }
 373
 374     /* Update the perQ capture window and send messages */
 375     if( capturePrev != captureWnd )
 376     {
 377         if (wndPtr)
 378         {
 379             /* Retrieve the message queue associated with this window */
 380             pMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( wndPtr->hmemTaskQ );
 381             if ( !pMsgQ )
 382             {
 383                 WARN_(win)("\tMessage queue not found. Exiting!\n" );
 384                 goto CLEANUP;
 385             }
 386
 387             /* Make sure that message queue for the window we are setting capture to
 388              * shares the same perQ data as the current threads message queue.
 389              */
 390             if ( pCurMsgQ->pQData != pMsgQ->pQData )
 391                 goto CLEANUP;
 392         }
 393
 394         PERQDATA_SetCaptureWnd( pCurMsgQ->pQData, captureWnd );
 395         PERQDATA_SetCaptureInfo( pCurMsgQ->pQData, captureHT );
 396
 397         if( capturePrev )
 398     {
 399         WND* xwndPtr = WIN_FindWndPtr( capturePrev );
 400         if( xwndPtr && (xwndPtr->flags & WIN_ISWIN32) )
 401             SendMessageA( capturePrev, WM_CAPTURECHANGED, 0L, hwnd);
 402         WIN_ReleaseWndPtr(xwndPtr);
 403     }
 404 }
 405
 406 CLEANUP:
 407     /* Unlock the queues before returning */
 408     if ( pMsgQ )
 409         QUEUE_Unlock( pMsgQ );
 410     if ( pCurMsgQ )
 411         QUEUE_Unlock( pCurMsgQ );
 412
 413     WIN_ReleaseWndPtr(wndPtr);
 414     return capturePrev;
 415 }
 416
 417
 418 /**********************************************************************
 419  *              SetCapture16   (USER.18)
 420  */
 421 HWND16 WINAPI SetCapture16( HWND16 hwnd )
 422 {
 423     return (HWND16)EVENT_Capture( hwnd, HTCLIENT );
 424 }
 425
 426
 427 /**********************************************************************
 428  *              SetCapture   (USER32.464)
 429  */
 430 HWND WINAPI SetCapture( HWND hwnd )
 431 {
 432     return EVENT_Capture( hwnd, HTCLIENT );
 433 }
 434
 435
 436 /**********************************************************************
 437  *              ReleaseCapture   (USER.19) (USER32.439)
 438  */
 439 BOOL WINAPI ReleaseCapture(void)
 440 {
 441     return (EVENT_Capture( 0, 0 ) != 0);
 442 }
 443
 444
 445 /**********************************************************************
 446  *              GetCapture16   (USER.236)
 447  */
 448 HWND16 WINAPI GetCapture16(void)
 449 {
 450     return (HWND16)GetCapture();
 451 }
 452
 453 /**********************************************************************
 454  *              GetCapture   (USER32.208)
 455  */
 456 HWND WINAPI GetCapture(void)
 457 {
 458     MESSAGEQUEUE *pCurMsgQ = 0;
 459     HWND hwndCapture = 0;
 460
 461     /* Get the messageQ for the current thread */
 462     if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
 463 {
 464         TRACE_(win)("GetCapture: Current message queue not found. Exiting!\n" );
 465         return 0;
 466     }
 467
 468     /* Get the current capture window from the perQ data of the current message Q */
 469     hwndCapture = PERQDATA_GetCaptureWnd( pCurMsgQ->pQData );
 470
 471     QUEUE_Unlock( pCurMsgQ );
 472     return hwndCapture;
 473 }
 474
 475 /**********************************************************************
 476  *           GetKeyState      (USER.106)
 477  */
 478 INT16 WINAPI GetKeyState16(INT16 vkey)
 479 {
 480     return GetKeyState(vkey);
 481 }
 482
 483 /**********************************************************************
 484  *           GetKeyState      (USER32.249)
 485  *
 486  * An application calls the GetKeyState function in response to a
 487  * keyboard-input message.  This function retrieves the state of the key
 488  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 390)
 489  */
 490 SHORT WINAPI GetKeyState(INT vkey)
 491 {
 492     INT retval;
 493
 494     switch (vkey)
 495         {
 496         case VK_LBUTTON : /* VK_LBUTTON is 1 */
 497             retval = MouseButtonsStates[0] ? 0x8000 : 0;
 498             break;
 499         case VK_MBUTTON : /* VK_MBUTTON is 4 */
 500             retval = MouseButtonsStates[1] ? 0x8000 : 0;
 501             break;
 502         case VK_RBUTTON : /* VK_RBUTTON is 2 */
 503             retval = MouseButtonsStates[2] ? 0x8000 : 0;
 504             break;
 505         default :
 506             if (vkey >= 'a' && vkey <= 'z')
 507                 vkey += 'A' - 'a';
 508             retval = ( (WORD)(QueueKeyStateTable[vkey] & 0x80) << 8 ) |
 509                        (WORD)(QueueKeyStateTable[vkey] & 0x01);
 510         }
 511     /* TRACE(key, "(0x%x) -> %x\n", vkey, retval); */
 512     return retval;
 513 }
 514
 515 /**********************************************************************
 516  *           GetKeyboardState      (USER.222)(USER32.254)
 517  *
 518  * An application calls the GetKeyboardState function in response to a
 519  * keyboard-input message.  This function retrieves the state of the keyboard
 520  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 387)
 521  */
 522 BOOL WINAPI GetKeyboardState(LPBYTE lpKeyState)
 523 {
 524     TRACE_(key)("(%p)\n", lpKeyState);
 525     if (lpKeyState != NULL) {
 526         QueueKeyStateTable[VK_LBUTTON] = MouseButtonsStates[0] ? 0x80 : 0;
 527         QueueKeyStateTable[VK_MBUTTON] = MouseButtonsStates[1] ? 0x80 : 0;
 528         QueueKeyStateTable[VK_RBUTTON] = MouseButtonsStates[2] ? 0x80 : 0;
 529         memcpy(lpKeyState, QueueKeyStateTable, 256);
 530     }
 531
 532     return TRUE;
 533 }
 534
 535 /**********************************************************************
 536  *          SetKeyboardState      (USER.223)(USER32.484)
 537  */
 538 BOOL WINAPI SetKeyboardState(LPBYTE lpKeyState)
 539 {
 540     TRACE_(key)("(%p)\n", lpKeyState);
 541     if (lpKeyState != NULL) {
 542         memcpy(QueueKeyStateTable, lpKeyState, 256);
 543         MouseButtonsStates[0] = (QueueKeyStateTable[VK_LBUTTON] != 0);
 544         MouseButtonsStates[1] = (QueueKeyStateTable[VK_MBUTTON] != 0);
 545         MouseButtonsStates[2] = (QueueKeyStateTable[VK_RBUTTON] != 0);
 546     }
 547
 548     return TRUE;
 549 }
 550
 551 /**********************************************************************
 552  *           GetAsyncKeyState      (USER32.207)
 553  *
 554  *      Determine if a key is or was pressed.  retval has high-order
 555  * bit set to 1 if currently pressed, low-order bit set to 1 if key has
 556  * been pressed.
 557  *
 558  *      This uses the variable AsyncMouseButtonsStates and
 559  * AsyncKeyStateTable (set in event.c) which have the mouse button
 560  * number or key number (whichever is applicable) set to true if the
 561  * mouse or key had been depressed since the last call to
 562  * GetAsyncKeyState.
 563  */
 564 WORD WINAPI GetAsyncKeyState(INT nKey)
 565 {
 566     short retval;
 567
 568     switch (nKey) {
 569      case VK_LBUTTON:
 570         retval = (AsyncMouseButtonsStates[0] ? 0x0001 : 0) |
 571                  (MouseButtonsStates[0] ? 0x8000 : 0);
 572         break;
 573      case VK_MBUTTON:
 574         retval = (AsyncMouseButtonsStates[1] ? 0x0001 : 0) |
 575                  (MouseButtonsStates[1] ? 0x8000 : 0);
 576         break;
 577      case VK_RBUTTON:
 578         retval = (AsyncMouseButtonsStates[2] ? 0x0001 : 0) |
 579                  (MouseButtonsStates[2] ? 0x8000 : 0);
 580         break;
 581      default:
 582         retval = AsyncKeyStateTable[nKey] |
 583                 ((InputKeyStateTable[nKey] & 0x80) ? 0x8000 : 0);
 584         break;
 585     }
 586
 587     /* all states to false */
 588     memset( AsyncMouseButtonsStates, 0, sizeof(AsyncMouseButtonsStates) );
 589     memset( AsyncKeyStateTable, 0, sizeof(AsyncKeyStateTable) );
 590
 591     TRACE_(key)("(%x) -> %x\n", nKey, retval);
 592     return retval;
 593 }
 594
 595 /**********************************************************************
 596  *            GetAsyncKeyState16        (USER.249)
 597  */
 598 WORD WINAPI GetAsyncKeyState16(INT16 nKey)
 599 {
 600     return GetAsyncKeyState(nKey);
 601 }
 602
 603 /***********************************************************************
 604  *              IsUserIdle      (USER.333)
 605  */
 606 BOOL16 WINAPI IsUserIdle16(void)
 607 {
 608     if ( GetAsyncKeyState( VK_LBUTTON ) & 0x8000 )
 609         return FALSE;
 610
 611     if ( GetAsyncKeyState( VK_RBUTTON ) & 0x8000 )
 612         return FALSE;
 613
 614     if ( GetAsyncKeyState( VK_MBUTTON ) & 0x8000 )
 615         return FALSE;
 616
 617     /* Should check for screen saver activation here ... */
 618
 619     return TRUE;
 620 }
 621
 622 /**********************************************************************
 623  *           VkKeyScanA      (USER32.573)
 624  */
 625 WORD WINAPI VkKeyScanA(CHAR cChar)
 626 {
 627         return VkKeyScan16(cChar);
 628 }
 629
 630 /******************************************************************************
 631  *      VkKeyScanW      (USER32.576)
 632  */
 633 WORD WINAPI VkKeyScanW(WCHAR cChar)
 634 {
 635         return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 636 }
 637
 638 /**********************************************************************
 639  *           VkKeyScanExA      (USER32.574)
 640  */
 641 WORD WINAPI VkKeyScanExA(CHAR cChar, HKL dwhkl)
 642 {
 643                                 /* FIXME: complete workaround this is */
 644                                 return VkKeyScan16(cChar);
 645 }
 646
 647 /******************************************************************************
 648  *      VkKeyScanExW      (USER32.575)
 649  */
 650 WORD WINAPI VkKeyScanExW(WCHAR cChar, HKL dwhkl)
 651 {
 652                                 /* FIXME: complete workaround this is */
 653                                 return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 654 }
 655
 656 /******************************************************************************
 657  *      GetKeyboardType      (USER32.255)
 658  */
 659 INT WINAPI GetKeyboardType(INT nTypeFlag)
 660 {
 661   return GetKeyboardType16(nTypeFlag);
 662 }
 663
 664 /******************************************************************************
 665  *      MapVirtualKeyA      (USER32.383)
 666  */
 667 UINT WINAPI MapVirtualKeyA(UINT code, UINT maptype)
 668 {
 669     return MapVirtualKey16(code,maptype);
 670 }
 671
 672 /******************************************************************************
 673  *      MapVirtualKeyW      (USER32.385)
 674  */
 675 UINT WINAPI MapVirtualKeyW(UINT code, UINT maptype)
 676 {
 677     return MapVirtualKey16(code,maptype);
 678 }
 679
 680 /******************************************************************************
 681  *      MapVirtualKeyExA      (USER32.384)
 682  */
 683 UINT WINAPI MapVirtualKeyExA(UINT code, UINT maptype, HKL hkl)
 684 {
 685     if (hkl)
 686         FIXME_(keyboard)("(%d,%d,0x%08lx), hkl unhandled!\n",code,maptype,(DWORD)hkl);
 687     return MapVirtualKey16(code,maptype);
 688 }
 689
 690 /******************************************************************************
 691  *      MapVirtualKeyExW      (USER32.???)
 692  */
 693 UINT WINAPI MapVirtualKeyExW(UINT code, UINT maptype, HKL hkl)
 694 {
 695     if (hkl)
 696         FIXME_(keyboard)("(%d,%d,0x%08lx), hkl unhandled!\n",code,maptype,(DWORD)hkl);
 697     return MapVirtualKey16(code,maptype);
 698 }
 699
 700 /****************************************************************************
 701  *      GetKBCodePage   (USER32.246)
 702  */
 703 UINT WINAPI GetKBCodePage(void)
 704 {
 705     return GetKBCodePage16();
 706 }
 707
 708 /****************************************************************************
 709  *      GetKeyboardLayoutName16   (USER.477)
 710  */
 711 INT16 WINAPI GetKeyboardLayoutName16(LPSTR pwszKLID)
 712 {
 713         return GetKeyboardLayoutNameA(pwszKLID);
 714 }
 715
 716 /***********************************************************************
 717  *           GetKeyboardLayout                  (USER32.250)
 718  *
 719  * FIXME: - device handle for keyboard layout defaulted to
 720  *          the language id. This is the way Windows default works.
 721  *        - the thread identifier (dwLayout) is also ignored.
 722  */
 723 HKL WINAPI GetKeyboardLayout(DWORD dwLayout)
 724 {
 725         HKL layout;
 726         layout = GetSystemDefaultLCID(); /* FIXME */
 727         layout |= (layout<<16);          /* FIXME */
 728         TRACE_(keyboard)("returning %08x\n",layout);
 729         return layout;
 730 }
 731
 732 /****************************************************************************
 733  *      GetKeyboardLayoutNameA   (USER32.252)
 734  */
 735 INT WINAPI GetKeyboardLayoutNameA(LPSTR pwszKLID)
 736 {
 737         sprintf(pwszKLID, "%08x",GetKeyboardLayout(0));
 738         return 1;
 739 }
 740
 741 /****************************************************************************
 742  *      GetKeyboardLayoutNameW   (USER32.253)
 743  */
 744 INT WINAPI GetKeyboardLayoutNameW(LPWSTR pwszKLID)
 745 {
 746         char buf[KL_NAMELENGTH];
 747         int res = GetKeyboardLayoutNameA(buf);
 748         MultiByteToWideChar( CP_ACP, 0, buf, -1, pwszKLID, KL_NAMELENGTH );
 749         return res;
 750 }
 751
 752 /****************************************************************************
 753  *      GetKeyNameTextA   (USER32.247)
 754  */
 755 INT WINAPI GetKeyNameTextA(LONG lParam, LPSTR lpBuffer, INT nSize)
 756 {
 757         return GetKeyNameText16(lParam,lpBuffer,nSize);
 758 }
 759
 760 /****************************************************************************
 761  *      GetKeyNameTextW   (USER32.248)
 762  */
 763 INT WINAPI GetKeyNameTextW(LONG lParam, LPWSTR lpBuffer, INT nSize)
 764 {
 765         int res;
 766         LPSTR buf = HeapAlloc( GetProcessHeap(), 0, nSize );
 767         if(buf == NULL) return 0; /* FIXME: is this the correct failure value?*/
 768         res = GetKeyNameTextA(lParam,buf,nSize);
 769
 770         if (nSize > 0 && !MultiByteToWideChar( CP_ACP, 0, buf, -1, lpBuffer, nSize ))
 771             lpBuffer[nSize-1] = 0;
 772         HeapFree( GetProcessHeap(), 0, buf );
 773         return res;
 774 }
 775
 776 /****************************************************************************
 777  *      ToUnicode      (USER32.@)
 778  */
 779 INT WINAPI ToUnicode(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 780                      LPWSTR lpwStr, int size, UINT flags)
 781 {
 782     return USER_Driver.pToUnicode(virtKey, scanCode, lpKeyState, lpwStr, size, flags);
 783 }
 784
 785 /****************************************************************************
 786  *      ToUnicodeEx      (USER32.@)
 787  */
 788 INT WINAPI ToUnicodeEx(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 789                        LPWSTR lpwStr, int size, UINT flags, HKL hkl)
 790 {
 791     /* FIXME: need true implementation */
 792     return ToUnicode(virtKey, scanCode, lpKeyState, lpwStr, size, flags);
 793 }
 794
 795 /****************************************************************************
 796  *      ToAscii      (USER32.546)
 797  */
 798 INT WINAPI ToAscii( UINT virtKey,UINT scanCode,LPBYTE lpKeyState,
 799                         LPWORD lpChar,UINT flags )
 800 {
 801     WCHAR uni_chars[2];
 802     INT ret, n_ret;
 803
 804     ret = ToUnicode(virtKey, scanCode, lpKeyState, uni_chars, 2, flags);
 805     if(ret < 0) n_ret = 1; /* FIXME: make ToUnicode return 2 for dead chars */
 806     else n_ret = ret;
 807     WideCharToMultiByte(CP_ACP, 0, uni_chars, n_ret, (LPSTR)lpChar, 2, NULL, NULL);
 808     return ret;
 809 }
 810
 811 /****************************************************************************
 812  *      ToAsciiEx      (USER32.547)
 813  */
 814 INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 815                       LPWORD lpChar, UINT flags, HKL dwhkl )
 816 {
 817     /* FIXME: need true implementation */
 818     return ToAscii(virtKey, scanCode, lpKeyState, lpChar, flags);
 819 }
 820
 821 /**********************************************************************
 822  *           ActivateKeyboardLayout      (USER32.1)
 823  *
 824  * Call ignored. WINE supports only system default keyboard layout.
 825  */
 826 HKL WINAPI ActivateKeyboardLayout(HKL hLayout, UINT flags)
 827 {
 828     TRACE_(keyboard)("(%d, %d)\n", hLayout, flags);
 829     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
 830     return 0;
 831 }
 832
 833
 834 /***********************************************************************
 835  *           GetKeyboardLayoutList              (USER32.251)
 836  *
 837  * FIXME: Supports only the system default language and layout and
 838  *          returns only 1 value.
 839  *
 840  * Return number of values available if either input parm is
 841  *  0, per MS documentation.
 842  *
 843  */
 844 INT WINAPI GetKeyboardLayoutList(INT nBuff,HKL *layouts)
 845 {
 846         TRACE_(keyboard)("(%d,%p)\n",nBuff,layouts);
 847         if (!nBuff || !layouts)
 848             return 1;
 849         if (layouts)
 850                 layouts[0] = GetKeyboardLayout(0);
 851         return 1;
 852 }
 853
 854
 855 /***********************************************************************
 856  *           RegisterHotKey                     (USER32.433)
 857  */
 858 BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk) {
 859         FIXME_(keyboard)("(0x%08x,%d,0x%08x,%d): stub\n",hwnd,id,modifiers,vk);
 860         return TRUE;
 861 }
 862
 863 /***********************************************************************
 864  *           UnregisterHotKey                   (USER32.565)
 865  */
 866 BOOL WINAPI UnregisterHotKey(HWND hwnd,INT id) {
 867         FIXME_(keyboard)("(0x%08x,%d): stub\n",hwnd,id);
 868         return TRUE;
 869 }
 870
 871 /***********************************************************************
 872  *           LoadKeyboardLayoutA                (USER32.367)
 873  * Call ignored. WINE supports only system default keyboard layout.
 874  */
 875 HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
 876 {
 877     TRACE_(keyboard)("(%s, %d)\n", pwszKLID, Flags);
 878     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
 879   return 0;
 880 }
 881
 882 /***********************************************************************
 883  *           LoadKeyboardLayoutW                (USER32.368)
 884  */
 885 HKL WINAPI LoadKeyboardLayoutW(LPCWSTR pwszKLID, UINT Flags)
 886 {
 887     char buf[9];
 888
 889     WideCharToMultiByte( CP_ACP, 0, pwszKLID, -1, buf, sizeof(buf), NULL, NULL );
 890     buf[8] = 0;
 891     return LoadKeyboardLayoutA(buf, Flags);
 892 }