git.oblomov.eu Git - wine/blob - 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 "wingdi.h"
  20 #include "winuser.h"
  21 #include "wine/winbase16.h"
  22 #include "wine/winuser16.h"
  23 #include "wine/keyboard16.h"
  24 #include "win.h"
  25 #include "heap.h"
  26 #include "input.h"
  27 #include "keyboard.h"
  28 #include "mouse.h"
  29 #include "message.h"
  30 #include "module.h"
  31 #include "debugtools.h"
  32 #include "struct32.h"
  33 #include "winerror.h"
  34 #include "task.h"
  35
  36 DECLARE_DEBUG_CHANNEL(accel);
  37 DECLARE_DEBUG_CHANNEL(event);
  38 DECLARE_DEBUG_CHANNEL(key);
  39 DECLARE_DEBUG_CHANNEL(keyboard);
  40 DECLARE_DEBUG_CHANNEL(win);
  41
  42 static BOOL InputEnabled = TRUE;
  43 BOOL SwappedButtons = FALSE;
  44
  45 BOOL MouseButtonsStates[3];
  46 BOOL AsyncMouseButtonsStates[3];
  47 BYTE InputKeyStateTable[256];
  48 BYTE QueueKeyStateTable[256];
  49 BYTE AsyncKeyStateTable[256];
  50
  51 /* Storage for the USER-maintained mouse positions */
  52 DWORD PosX, PosY;
  53
  54 typedef union
  55 {
  56     struct
  57     {
  58         unsigned long count : 16;
  59         unsigned long code : 8;
  60         unsigned long extended : 1;
  61         unsigned long unused : 2;
  62         unsigned long win_internal : 2;
  63         unsigned long context : 1;
  64         unsigned long previous : 1;
  65         unsigned long transition : 1;
  66     } lp1;
  67     unsigned long lp2;
  68 } KEYLP;
  69
  70 /***********************************************************************
  71  *           keybd_event   (USER32.583)
  72  */
  73 void WINAPI keybd_event( BYTE bVk, BYTE bScan,
  74                          DWORD dwFlags, DWORD dwExtraInfo )
  75 {
  76     DWORD time, extra;
  77     WORD message;
  78     KEYLP keylp;
  79     keylp.lp2 = 0;
  80
  81     if (!InputEnabled) return;
  82
  83     /*
  84      * If we are called by the Wine keyboard driver, use the additional
  85      * info pointed to by the dwExtraInfo argument.
  86      * Otherwise, we need to determine that info ourselves (probably
  87      * less accurate, but we can't help that ...).
  88      */
  89     if (   !IsBadReadPtr( (LPVOID)dwExtraInfo, sizeof(WINE_KEYBDEVENT) )
  90         && ((WINE_KEYBDEVENT *)dwExtraInfo)->magic == WINE_KEYBDEVENT_MAGIC )
  91     {
  92         WINE_KEYBDEVENT *wke = (WINE_KEYBDEVENT *)dwExtraInfo;
  93         time = wke->time;
  94         extra = 0;
  95     }
  96     else
  97     {
  98         time = GetTickCount();
  99         extra = dwExtraInfo;
 100     }
 101
 102
 103     keylp.lp1.count = 1;
 104     keylp.lp1.code = bScan;
 105     keylp.lp1.extended = (dwFlags & KEYEVENTF_EXTENDEDKEY) != 0;
 106     keylp.lp1.win_internal = 0; /* this has something to do with dialogs,
 107                                 * don't remember where I read it - AK */
 108                                 /* it's '1' under windows, when a dialog box appears
 109                                  * and you press one of the underlined keys - DF*/
 110
 111     if ( dwFlags & KEYEVENTF_KEYUP )
 112     {
 113         BOOL sysKey = (InputKeyStateTable[VK_MENU] & 0x80)
 114                 && !(InputKeyStateTable[VK_CONTROL] & 0x80)
 115                 && !(dwFlags & KEYEVENTF_WINE_FORCEEXTENDED); /* for Alt from AltGr */
 116
 117         InputKeyStateTable[bVk] &= ~0x80;
 118         keylp.lp1.previous = 1;
 119         keylp.lp1.transition = 1;
 120         message = sysKey ? WM_SYSKEYUP : WM_KEYUP;
 121     }
 122     else
 123     {
 124         keylp.lp1.previous = (InputKeyStateTable[bVk] & 0x80) != 0;
 125         keylp.lp1.transition = 0;
 126
 127         if (!(InputKeyStateTable[bVk] & 0x80))
 128             InputKeyStateTable[bVk] ^= 0x01;
 129         InputKeyStateTable[bVk] |= 0x80;
 130
 131         message = (InputKeyStateTable[VK_MENU] & 0x80)
 132               && !(InputKeyStateTable[VK_CONTROL] & 0x80)
 133               ? WM_SYSKEYDOWN : WM_KEYDOWN;
 134     }
 135
 136     if ( message == WM_SYSKEYDOWN || message == WM_SYSKEYUP )
 137         keylp.lp1.context = (InputKeyStateTable[VK_MENU] & 0x80) != 0; /* 1 if alt */
 138
 139
 140     TRACE_(key)("            wParam=%04X, lParam=%08lX\n", bVk, keylp.lp2 );
 141     TRACE_(key)("            InputKeyState=%X\n", InputKeyStateTable[bVk] );
 142
 143     hardware_event( message, bVk, keylp.lp2, PosX, PosY, time, extra );
 144 }
 145
 146 /***********************************************************************
 147  *           WIN16_keybd_event   (USER.289)
 148  */
 149 void WINAPI WIN16_keybd_event( CONTEXT86 *context )
 150 {
 151     DWORD dwFlags = 0;
 152
 153     if (AH_reg(context) & 0x80) dwFlags |= KEYEVENTF_KEYUP;
 154     if (BH_reg(context) & 1   ) dwFlags |= KEYEVENTF_EXTENDEDKEY;
 155
 156     keybd_event( AL_reg(context), BL_reg(context),
 157                  dwFlags, MAKELONG(SI_reg(context), DI_reg(context)) );
 158 }
 159
 160 /***********************************************************************
 161  *           mouse_event   (USER32.584)
 162  */
 163 void WINAPI mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
 164                          DWORD cButtons, DWORD dwExtraInfo )
 165 {
 166     DWORD time, extra;
 167     DWORD keyState;
 168
 169     if (!InputEnabled) return;
 170
 171     if ( dwFlags & MOUSEEVENTF_MOVE )
 172       {
 173         if ( dwFlags & MOUSEEVENTF_ABSOLUTE )
 174           {
 175             PosX = (dx * GetSystemMetrics(SM_CXSCREEN)) >> 16;
 176             PosY = (dy * GetSystemMetrics(SM_CYSCREEN)) >> 16;
 177           }
 178         else
 179           {
 180             int width  = GetSystemMetrics(SM_CXSCREEN);
 181             int height = GetSystemMetrics(SM_CYSCREEN);
 182             long posX = (long) PosX, posY = (long) PosY;
 183
 184             /* dx and dy can be negative numbers for relative movements */
 185             posX += (long) dx;
 186             posY += (long) dy;
 187
 188             /* Clip to the current screen size */
 189             if (posX < 0) PosX = 0;
 190             else if (posX >= width) PosX = width - 1;
 191             else PosX = posX;
 192
 193             if (posY < 0) PosY = 0;
 194             else if (posY >= height) PosY = height - 1;
 195             else PosY = posY;
 196           }
 197       }
 198
 199     /*
 200      * If we are called by the Wine mouse driver, use the additional
 201      * info pointed to by the dwExtraInfo argument.
 202      * Otherwise, we need to determine that info ourselves (probably
 203      * less accurate, but we can't help that ...).
 204      */
 205     if (   !IsBadReadPtr( (LPVOID)dwExtraInfo, sizeof(WINE_MOUSEEVENT) )
 206         && ((WINE_MOUSEEVENT *)dwExtraInfo)->magic == WINE_MOUSEEVENT_MAGIC )
 207     {
 208         WINE_MOUSEEVENT *wme = (WINE_MOUSEEVENT *)dwExtraInfo;
 209         time = wme->time;
 210         extra = (DWORD)wme->hWnd;
 211         keyState = wme->keyState;
 212
 213         if (keyState != GET_KEYSTATE()) {
 214           /* We need to update the keystate with what X provides us */
 215           MouseButtonsStates[SwappedButtons ? 2 : 0] = (keyState & MK_LBUTTON ? TRUE : FALSE);
 216           MouseButtonsStates[SwappedButtons ? 0 : 2] = (keyState & MK_RBUTTON ? TRUE : FALSE);
 217           MouseButtonsStates[1]                      = (keyState & MK_MBUTTON ? TRUE : FALSE);
 218           InputKeyStateTable[VK_SHIFT]               = (keyState & MK_SHIFT   ? 0x80 : 0);
 219           InputKeyStateTable[VK_CONTROL]             = (keyState & MK_CONTROL ? 0x80 : 0);
 220         }
 221     }
 222     else
 223     {
 224         time = GetTickCount();
 225         extra = dwExtraInfo;
 226         keyState = GET_KEYSTATE();
 227
 228         if ( dwFlags & MOUSEEVENTF_MOVE )
 229           {
 230             /* We have to actually move the cursor */
 231             SetCursorPos( PosX, PosY );
 232           }
 233     }
 234
 235
 236     if ( dwFlags & MOUSEEVENTF_MOVE )
 237     {
 238         hardware_event( WM_MOUSEMOVE,
 239                         keyState, 0L, PosX, PosY, time, extra );
 240     }
 241     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_LEFTDOWN : MOUSEEVENTF_RIGHTDOWN) )
 242     {
 243         MouseButtonsStates[0] = AsyncMouseButtonsStates[0] = TRUE;
 244         hardware_event( WM_LBUTTONDOWN,
 245                         keyState, 0L, PosX, PosY, time, extra );
 246     }
 247     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_LEFTUP : MOUSEEVENTF_RIGHTUP) )
 248     {
 249         MouseButtonsStates[0] = FALSE;
 250         hardware_event( WM_LBUTTONUP,
 251                         keyState, 0L, PosX, PosY, time, extra );
 252     }
 253     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_RIGHTDOWN : MOUSEEVENTF_LEFTDOWN) )
 254     {
 255         MouseButtonsStates[2] = AsyncMouseButtonsStates[2] = TRUE;
 256         hardware_event( WM_RBUTTONDOWN,
 257                         keyState, 0L, PosX, PosY, time, extra );
 258     }
 259     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_RIGHTUP : MOUSEEVENTF_LEFTUP) )
 260     {
 261         MouseButtonsStates[2] = FALSE;
 262         hardware_event( WM_RBUTTONUP,
 263                         keyState, 0L, PosX, PosY, time, extra );
 264     }
 265     if ( dwFlags & MOUSEEVENTF_MIDDLEDOWN )
 266     {
 267         MouseButtonsStates[1] = AsyncMouseButtonsStates[1] = TRUE;
 268         hardware_event( WM_MBUTTONDOWN,
 269                         keyState, 0L, PosX, PosY, time, extra );
 270     }
 271     if ( dwFlags & MOUSEEVENTF_MIDDLEUP )
 272     {
 273         MouseButtonsStates[1] = FALSE;
 274         hardware_event( WM_MBUTTONUP,
 275                         keyState, 0L, PosX, PosY, time, extra );
 276     }
 277 }
 278
 279 /***********************************************************************
 280  *           WIN16_mouse_event   (USER.299)
 281  */
 282 void WINAPI WIN16_mouse_event( CONTEXT86 *context )
 283 {
 284     mouse_event( AX_reg(context), BX_reg(context), CX_reg(context),
 285                  DX_reg(context), MAKELONG(SI_reg(context), DI_reg(context)) );
 286 }
 287
 288 /***********************************************************************
 289  *           GetMouseEventProc   (USER.337)
 290  */
 291 FARPROC16 WINAPI GetMouseEventProc16(void)
 292 {
 293     HMODULE16 hmodule = GetModuleHandle16("USER");
 294     return NE_GetEntryPoint( hmodule, NE_GetOrdinal( hmodule, "mouse_event" ));
 295 }
 296
 297
 298 /**********************************************************************
 299  *                      EnableHardwareInput   (USER.331)
 300  */
 301 BOOL16 WINAPI EnableHardwareInput16(BOOL16 bEnable)
 302 {
 303   BOOL16 bOldState = InputEnabled;
 304   FIXME_(event)("(%d) - stub\n", bEnable);
 305   InputEnabled = bEnable;
 306   return bOldState;
 307 }
 308
 309
 310 /***********************************************************************
 311  *           SwapMouseButton16   (USER.186)
 312  */
 313 BOOL16 WINAPI SwapMouseButton16( BOOL16 fSwap )
 314 {
 315     BOOL16 ret = SwappedButtons;
 316     SwappedButtons = fSwap;
 317     return ret;
 318 }
 319
 320
 321 /***********************************************************************
 322  *           SwapMouseButton32   (USER32.537)
 323  */
 324 BOOL WINAPI SwapMouseButton( BOOL fSwap )
 325 {
 326     BOOL ret = SwappedButtons;
 327     SwappedButtons = fSwap;
 328     return ret;
 329 }
 330
 331 /**********************************************************************
 332  *              EVENT_Capture
 333  *
 334  * We need this to be able to generate double click messages
 335  * when menu code captures mouse in the window without CS_DBLCLK style.
 336  */
 337 HWND EVENT_Capture(HWND hwnd, INT16 ht)
 338 {
 339     HWND capturePrev = 0, captureWnd = 0;
 340     MESSAGEQUEUE *pMsgQ = 0, *pCurMsgQ = 0;
 341     WND* wndPtr = 0;
 342     INT16 captureHT = 0;
 343
 344     /* Get the messageQ for the current thread */
 345     if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
 346     {
 347         WARN_(win)("\tCurrent message queue not found. Exiting!\n" );
 348         goto CLEANUP;
 349     }
 350
 351     /* Get the current capture window from the perQ data of the current message Q */
 352     capturePrev = PERQDATA_GetCaptureWnd( pCurMsgQ->pQData );
 353
 354     if (!hwnd)
 355     {
 356         captureWnd = 0L;
 357         captureHT = 0;
 358     }
 359     else
 360     {
 361         wndPtr = WIN_FindWndPtr( hwnd );
 362         if (wndPtr)
 363         {
 364             TRACE_(win)("(0x%04x)\n", hwnd );
 365             captureWnd   = hwnd;
 366             captureHT    = ht;
 367         }
 368     }
 369
 370     /* Update the perQ capture window and send messages */
 371     if( capturePrev != captureWnd )
 372     {
 373         if (wndPtr)
 374         {
 375             /* Retrieve the message queue associated with this window */
 376             pMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( wndPtr->hmemTaskQ );
 377             if ( !pMsgQ )
 378             {
 379                 WARN_(win)("\tMessage queue not found. Exiting!\n" );
 380                 goto CLEANUP;
 381             }
 382
 383             /* Make sure that message queue for the window we are setting capture to
 384              * shares the same perQ data as the current threads message queue.
 385              */
 386             if ( pCurMsgQ->pQData != pMsgQ->pQData )
 387                 goto CLEANUP;
 388         }
 389
 390         PERQDATA_SetCaptureWnd( pCurMsgQ->pQData, captureWnd );
 391         PERQDATA_SetCaptureInfo( pCurMsgQ->pQData, captureHT );
 392
 393         if( capturePrev )
 394     {
 395         WND* wndPtr = WIN_FindWndPtr( capturePrev );
 396         if( wndPtr && (wndPtr->flags & WIN_ISWIN32) )
 397             SendMessageA( capturePrev, WM_CAPTURECHANGED, 0L, hwnd);
 398             WIN_ReleaseWndPtr(wndPtr);
 399     }
 400 }
 401
 402 CLEANUP:
 403     /* Unlock the queues before returning */
 404     if ( pMsgQ )
 405         QUEUE_Unlock( pMsgQ );
 406     if ( pCurMsgQ )
 407         QUEUE_Unlock( pCurMsgQ );
 408
 409     WIN_ReleaseWndPtr(wndPtr);
 410     return capturePrev;
 411 }
 412
 413
 414 /**********************************************************************
 415  *              SetCapture16   (USER.18)
 416  */
 417 HWND16 WINAPI SetCapture16( HWND16 hwnd )
 418 {
 419     return (HWND16)EVENT_Capture( hwnd, HTCLIENT );
 420 }
 421
 422
 423 /**********************************************************************
 424  *              SetCapture32   (USER32.464)
 425  */
 426 HWND WINAPI SetCapture( HWND hwnd )
 427 {
 428     return EVENT_Capture( hwnd, HTCLIENT );
 429 }
 430
 431
 432 /**********************************************************************
 433  *              ReleaseCapture   (USER.19) (USER32.439)
 434  */
 435 BOOL WINAPI ReleaseCapture(void)
 436 {
 437     return (EVENT_Capture( 0, 0 ) != 0);
 438 }
 439
 440
 441 /**********************************************************************
 442  *              GetCapture16   (USER.236)
 443  */
 444 HWND16 WINAPI GetCapture16(void)
 445 {
 446     return (HWND16)GetCapture();
 447 }
 448
 449 /**********************************************************************
 450  *              GetCapture32   (USER32.208)
 451  */
 452 HWND WINAPI GetCapture(void)
 453 {
 454     MESSAGEQUEUE *pCurMsgQ = 0;
 455     HWND hwndCapture = 0;
 456
 457     /* Get the messageQ for the current thread */
 458     if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
 459 {
 460         TRACE_(win)("GetCapture32:  Current message queue not found. Exiting!\n" );
 461         return 0;
 462     }
 463
 464     /* Get the current capture window from the perQ data of the current message Q */
 465     hwndCapture = PERQDATA_GetCaptureWnd( pCurMsgQ->pQData );
 466
 467     QUEUE_Unlock( pCurMsgQ );
 468     return hwndCapture;
 469 }
 470
 471 /**********************************************************************
 472  *           GetKeyState      (USER.106)
 473  */
 474 INT16 WINAPI GetKeyState16(INT16 vkey)
 475 {
 476     return GetKeyState(vkey);
 477 }
 478
 479 /**********************************************************************
 480  *           GetKeyState      (USER32.249)
 481  *
 482  * An application calls the GetKeyState function in response to a
 483  * keyboard-input message.  This function retrieves the state of the key
 484  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 390)
 485  */
 486 SHORT WINAPI GetKeyState(INT vkey)
 487 {
 488     INT retval;
 489
 490     switch (vkey)
 491         {
 492         case VK_LBUTTON : /* VK_LBUTTON is 1 */
 493             retval = MouseButtonsStates[0] ? 0x8000 : 0;
 494             break;
 495         case VK_MBUTTON : /* VK_MBUTTON is 4 */
 496             retval = MouseButtonsStates[1] ? 0x8000 : 0;
 497             break;
 498         case VK_RBUTTON : /* VK_RBUTTON is 2 */
 499             retval = MouseButtonsStates[2] ? 0x8000 : 0;
 500             break;
 501         default :
 502             if (vkey >= 'a' && vkey <= 'z')
 503                 vkey += 'A' - 'a';
 504             retval = ( (WORD)(QueueKeyStateTable[vkey] & 0x80) << 8 ) |
 505                        (WORD)(QueueKeyStateTable[vkey] & 0x01);
 506         }
 507     /* TRACE(key, "(0x%x) -> %x\n", vkey, retval); */
 508     return retval;
 509 }
 510
 511 /**********************************************************************
 512  *           GetKeyboardState      (USER.222)(USER32.254)
 513  *
 514  * An application calls the GetKeyboardState function in response to a
 515  * keyboard-input message.  This function retrieves the state of the keyboard
 516  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 387)
 517  */
 518 BOOL WINAPI GetKeyboardState(LPBYTE lpKeyState)
 519 {
 520     TRACE_(key)("(%p)\n", lpKeyState);
 521     if (lpKeyState != NULL) {
 522         QueueKeyStateTable[VK_LBUTTON] = MouseButtonsStates[0] ? 0x80 : 0;
 523         QueueKeyStateTable[VK_MBUTTON] = MouseButtonsStates[1] ? 0x80 : 0;
 524         QueueKeyStateTable[VK_RBUTTON] = MouseButtonsStates[2] ? 0x80 : 0;
 525         memcpy(lpKeyState, QueueKeyStateTable, 256);
 526     }
 527
 528     return TRUE;
 529 }
 530
 531 /**********************************************************************
 532  *          SetKeyboardState      (USER.223)(USER32.484)
 533  */
 534 BOOL WINAPI SetKeyboardState(LPBYTE lpKeyState)
 535 {
 536     TRACE_(key)("(%p)\n", lpKeyState);
 537     if (lpKeyState != NULL) {
 538         memcpy(QueueKeyStateTable, lpKeyState, 256);
 539         MouseButtonsStates[0] = (QueueKeyStateTable[VK_LBUTTON] != 0);
 540         MouseButtonsStates[1] = (QueueKeyStateTable[VK_MBUTTON] != 0);
 541         MouseButtonsStates[2] = (QueueKeyStateTable[VK_RBUTTON] != 0);
 542     }
 543
 544     return TRUE;
 545 }
 546
 547 /**********************************************************************
 548  *           GetAsyncKeyState32      (USER32.207)
 549  *
 550  *      Determine if a key is or was pressed.  retval has high-order
 551  * bit set to 1 if currently pressed, low-order bit set to 1 if key has
 552  * been pressed.
 553  *
 554  *      This uses the variable AsyncMouseButtonsStates and
 555  * AsyncKeyStateTable (set in event.c) which have the mouse button
 556  * number or key number (whichever is applicable) set to true if the
 557  * mouse or key had been depressed since the last call to
 558  * GetAsyncKeyState.
 559  */
 560 WORD WINAPI GetAsyncKeyState(INT nKey)
 561 {
 562     short retval;
 563
 564     switch (nKey) {
 565      case VK_LBUTTON:
 566         retval = (AsyncMouseButtonsStates[0] ? 0x0001 : 0) |
 567                  (MouseButtonsStates[0] ? 0x8000 : 0);
 568         break;
 569      case VK_MBUTTON:
 570         retval = (AsyncMouseButtonsStates[1] ? 0x0001 : 0) |
 571                  (MouseButtonsStates[1] ? 0x8000 : 0);
 572         break;
 573      case VK_RBUTTON:
 574         retval = (AsyncMouseButtonsStates[2] ? 0x0001 : 0) |
 575                  (MouseButtonsStates[2] ? 0x8000 : 0);
 576         break;
 577      default:
 578         retval = AsyncKeyStateTable[nKey] |
 579                 ((InputKeyStateTable[nKey] & 0x80) ? 0x8000 : 0);
 580         break;
 581     }
 582
 583     /* all states to false */
 584     memset( AsyncMouseButtonsStates, 0, sizeof(AsyncMouseButtonsStates) );
 585     memset( AsyncKeyStateTable, 0, sizeof(AsyncKeyStateTable) );
 586
 587     TRACE_(key)("(%x) -> %x\n", nKey, retval);
 588     return retval;
 589 }
 590
 591 /**********************************************************************
 592  *            GetAsyncKeyState16        (USER.249)
 593  */
 594 WORD WINAPI GetAsyncKeyState16(INT16 nKey)
 595 {
 596     return GetAsyncKeyState(nKey);
 597 }
 598
 599 /***********************************************************************
 600  *              IsUserIdle      (USER.333)
 601  */
 602 BOOL16 WINAPI IsUserIdle16(void)
 603 {
 604     if ( GetAsyncKeyState( VK_LBUTTON ) & 0x8000 )
 605         return FALSE;
 606
 607     if ( GetAsyncKeyState( VK_RBUTTON ) & 0x8000 )
 608         return FALSE;
 609
 610     if ( GetAsyncKeyState( VK_MBUTTON ) & 0x8000 )
 611         return FALSE;
 612
 613     /* Should check for screen saver activation here ... */
 614
 615     return TRUE;
 616 }
 617
 618 /**********************************************************************
 619  *           KBD_translate_accelerator
 620  *
 621  * FIXME: should send some WM_INITMENU or/and WM_INITMENUPOPUP  -messages
 622  */
 623 static BOOL KBD_translate_accelerator(HWND hWnd,LPMSG msg,
 624                                         BYTE fVirt,WORD key,WORD cmd)
 625 {
 626     BOOL        sendmsg = FALSE;
 627
 628     if(msg->wParam == key)
 629     {
 630         if (msg->message == WM_CHAR) {
 631         if ( !(fVirt & FALT) && !(fVirt & FVIRTKEY) )
 632         {
 633           TRACE_(accel)("found accel for WM_CHAR: ('%c')\n",
 634                         msg->wParam&0xff);
 635           sendmsg=TRUE;
 636         }
 637       } else {
 638        if(fVirt & FVIRTKEY) {
 639         INT mask = 0;
 640         TRACE_(accel)("found accel for virt_key %04x (scan %04x)\n",
 641                                msg->wParam,0xff & HIWORD(msg->lParam));
 642         if(GetKeyState(VK_SHIFT) & 0x8000) mask |= FSHIFT;
 643         if(GetKeyState(VK_CONTROL) & 0x8000) mask |= FCONTROL;
 644         if(GetKeyState(VK_MENU) & 0x8000) mask |= FALT;
 645         if(mask == (fVirt & (FSHIFT | FCONTROL | FALT)))
 646           sendmsg=TRUE;
 647         else
 648           TRACE_(accel)(", but incorrect SHIFT/CTRL/ALT-state\n");
 649        }
 650        else
 651        {
 652          if (!(msg->lParam & 0x01000000))  /* no special_key */
 653          {
 654            if ((fVirt & FALT) && (msg->lParam & 0x20000000))
 655            {                                                   /* ^^ ALT pressed */
 656             TRACE_(accel)("found accel for Alt-%c\n", msg->wParam&0xff);
 657             sendmsg=TRUE;
 658            }
 659          }
 660        }
 661       }
 662
 663       if (sendmsg)      /* found an accelerator, but send a message... ? */
 664       {
 665         INT16  iSysStat,iStat,mesg=0;
 666         HMENU16 hMenu;
 667
 668         if (msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
 669           mesg=1;
 670         else
 671          if (GetCapture())
 672            mesg=2;
 673          else
 674           if (!IsWindowEnabled(hWnd))
 675             mesg=3;
 676           else
 677           {
 678             WND* wndPtr = WIN_FindWndPtr(hWnd);
 679
 680             hMenu = (wndPtr->dwStyle & WS_CHILD) ? 0 : (HMENU)wndPtr->wIDmenu;
 681             iSysStat = (wndPtr->hSysMenu) ? GetMenuState(GetSubMenu16(wndPtr->hSysMenu, 0),
 682                                             cmd, MF_BYCOMMAND) : -1 ;
 683             iStat = (hMenu) ? GetMenuState(hMenu,
 684                                             cmd, MF_BYCOMMAND) : -1 ;
 685
 686             WIN_ReleaseWndPtr(wndPtr);
 687
 688             if (iSysStat!=-1)
 689             {
 690               if (iSysStat & (MF_DISABLED|MF_GRAYED))
 691                 mesg=4;
 692               else
 693                 mesg=WM_SYSCOMMAND;
 694             }
 695             else
 696             {
 697               if (iStat!=-1)
 698               {
 699                 if (IsIconic(hWnd))
 700                   mesg=5;
 701                 else
 702                 {
 703                  if (iStat & (MF_DISABLED|MF_GRAYED))
 704                    mesg=6;
 705                  else
 706                    mesg=WM_COMMAND;
 707                 }
 708               }
 709               else
 710                mesg=WM_COMMAND;
 711             }
 712           }
 713           if ( mesg==WM_COMMAND || mesg==WM_SYSCOMMAND )
 714           {
 715               TRACE_(accel)(", sending %s, wParam=%0x\n",
 716                   mesg==WM_COMMAND ? "WM_COMMAND" : "WM_SYSCOMMAND",
 717                   cmd);
 718               SendMessageA(hWnd, mesg, cmd, 0x00010000L);
 719           }
 720           else
 721           {
 722            /*  some reasons for NOT sending the WM_{SYS}COMMAND message:
 723             *   #0: unknown (please report!)
 724             *   #1: for WM_KEYUP,WM_SYSKEYUP
 725             *   #2: mouse is captured
 726             *   #3: window is disabled
 727             *   #4: it's a disabled system menu option
 728             *   #5: it's a menu option, but window is iconic
 729             *   #6: it's a menu option, but disabled
 730             */
 731             TRACE_(accel)(", but won't send WM_{SYS}COMMAND, reason is #%d\n",mesg);
 732             if(mesg==0)
 733               ERR_(accel)(" unknown reason - please report!");
 734           }
 735           return TRUE;
 736       }
 737     }
 738     return FALSE;
 739 }
 740
 741 /**********************************************************************
 742  *      TranslateAccelerator32      (USER32.551)(USER32.552)(USER32.553)
 743  */
 744 INT WINAPI TranslateAccelerator(HWND hWnd, HACCEL hAccel, LPMSG msg)
 745 {
 746     /* YES, Accel16! */
 747     LPACCEL16   lpAccelTbl;
 748     int         i;
 749
 750     if (msg == NULL)
 751        {
 752           WARN_(accel)("msg null; should hang here to be win compatible\n");
 753           return 0;
 754        }
 755     if (!hAccel || !(lpAccelTbl = (LPACCEL16) LockResource16(hAccel)))
 756        {
 757           WARN_(accel)("invalid accel handle=%x\n", hAccel);
 758           return 0;
 759        }
 760     if ((msg->message != WM_KEYDOWN &&
 761          msg->message != WM_KEYUP &&
 762          msg->message != WM_SYSKEYDOWN &&
 763          msg->message != WM_SYSKEYUP &&
 764          msg->message != WM_CHAR)) return 0;
 765
 766     TRACE_(accel)("TranslateAccelerators hAccel=%04x, hWnd=%04x,"
 767           "msg->hwnd=%04x, msg->message=%04x, wParam=%08x, lParam=%lx\n",
 768           hAccel,hWnd,msg->hwnd,msg->message,msg->wParam,msg->lParam);
 769
 770     i = 0;
 771     do
 772     {
 773         if (KBD_translate_accelerator(hWnd,msg,lpAccelTbl[i].fVirt,
 774                                       lpAccelTbl[i].key,lpAccelTbl[i].cmd))
 775                 return 1;
 776     } while ((lpAccelTbl[i++].fVirt & 0x80) == 0);
 777     WARN_(accel)("couldn't translate accelerator key\n");
 778     return 0;
 779 }
 780
 781 /**********************************************************************
 782  *           TranslateAccelerator16      (USER.178)
 783  */
 784 INT16 WINAPI TranslateAccelerator16(HWND16 hWnd, HACCEL16 hAccel, LPMSG16 msg)
 785 {
 786     LPACCEL16   lpAccelTbl;
 787     int         i;
 788     MSG msg32;
 789
 790     if (msg == NULL)
 791        {
 792           WARN_(accel)("msg null; should hang here to be win compatible\n");
 793           return 0;
 794        }
 795     if (!hAccel || !(lpAccelTbl = (LPACCEL16) LockResource16(hAccel)))
 796        {
 797           WARN_(accel)("invalid accel handle=%x\n", hAccel);
 798           return 0;
 799        }
 800     if ((msg->message != WM_KEYDOWN &&
 801          msg->message != WM_KEYUP &&
 802          msg->message != WM_SYSKEYDOWN &&
 803          msg->message != WM_SYSKEYUP &&
 804          msg->message != WM_CHAR)) return 0;
 805
 806     TRACE_(accel)("TranslateAccelerators hAccel=%04x, hWnd=%04x,\
 807 msg->hwnd=%04x, msg->message=%04x, wParam=%04x, lParam=%lx\n", hAccel,hWnd,msg->hwnd,msg->message,msg->wParam,msg->lParam);
 808
 809     STRUCT32_MSG16to32(msg,&msg32);
 810
 811     i = 0;
 812     do
 813     {
 814         if (KBD_translate_accelerator(hWnd,&msg32,lpAccelTbl[i].fVirt,
 815                                       lpAccelTbl[i].key,lpAccelTbl[i].cmd))
 816                 return 1;
 817     } while ((lpAccelTbl[i++].fVirt & 0x80) == 0);
 818     WARN_(accel)("couldn't translate accelerator key\n");
 819     return 0;
 820 }
 821
 822
 823 /**********************************************************************
 824  *           VkKeyScanA      (USER32.573)
 825  */
 826 WORD WINAPI VkKeyScanA(CHAR cChar)
 827 {
 828         return VkKeyScan16(cChar);
 829 }
 830
 831 /******************************************************************************
 832  *      VkKeyScanW      (USER32.576)
 833  */
 834 WORD WINAPI VkKeyScanW(WCHAR cChar)
 835 {
 836         return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 837 }
 838
 839 /**********************************************************************
 840  *           VkKeyScanExA      (USER32.574)
 841  */
 842 WORD WINAPI VkKeyScanExA(CHAR cChar, HKL dwhkl)
 843 {
 844                                 /* FIXME: complete workaround this is */
 845                                 return VkKeyScan16(cChar);
 846 }
 847
 848 /******************************************************************************
 849  *      VkKeyScanExW      (USER32.575)
 850  */
 851 WORD WINAPI VkKeyScanExW(WCHAR cChar, HKL dwhkl)
 852 {
 853                                 /* FIXME: complete workaround this is */
 854                                 return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 855 }
 856
 857 /******************************************************************************
 858  *      GetKeyboardType32      (USER32.255)
 859  */
 860 INT WINAPI GetKeyboardType(INT nTypeFlag)
 861 {
 862   return GetKeyboardType16(nTypeFlag);
 863 }
 864
 865 /******************************************************************************
 866  *      MapVirtualKey32A      (USER32.383)
 867  */
 868 UINT WINAPI MapVirtualKeyA(UINT code, UINT maptype)
 869 {
 870     return MapVirtualKey16(code,maptype);
 871 }
 872
 873 /******************************************************************************
 874  *      MapVirtualKey32W      (USER32.385)
 875  */
 876 UINT WINAPI MapVirtualKeyW(UINT code, UINT maptype)
 877 {
 878     return MapVirtualKey16(code,maptype);
 879 }
 880
 881 /******************************************************************************
 882  *      MapVirtualKeyEx32A      (USER32.384)
 883  */
 884 UINT WINAPI MapVirtualKeyEx32A(UINT code, UINT maptype, HKL hkl)
 885 {
 886     if (hkl)
 887         FIXME_(keyboard)("(%d,%d,0x%08lx), hkl unhandled!\n",code,maptype,(DWORD)hkl);
 888     return MapVirtualKey16(code,maptype);
 889 }
 890
 891 /****************************************************************************
 892  *      GetKBCodePage32   (USER32.246)
 893  */
 894 UINT WINAPI GetKBCodePage(void)
 895 {
 896     return GetKBCodePage16();
 897 }
 898
 899 /****************************************************************************
 900  *      GetKeyboardLayoutName16   (USER.477)
 901  */
 902 INT16 WINAPI GetKeyboardLayoutName16(LPSTR pwszKLID)
 903 {
 904         return GetKeyboardLayoutNameA(pwszKLID);
 905 }
 906
 907 /***********************************************************************
 908  *           GetKeyboardLayout                  (USER32.250)
 909  *
 910  * FIXME: - device handle for keyboard layout defaulted to
 911  *          the language id. This is the way Windows default works.
 912  *        - the thread identifier (dwLayout) is also ignored.
 913  */
 914 HKL WINAPI GetKeyboardLayout(DWORD dwLayout)
 915 {
 916         HKL layout;
 917         layout = GetSystemDefaultLCID(); /* FIXME */
 918         layout |= (layout<<16);          /* FIXME */
 919         TRACE_(keyboard)("returning %08x\n",layout);
 920         return layout;
 921 }
 922
 923 /****************************************************************************
 924  *      GetKeyboardLayoutName32A   (USER32.252)
 925  */
 926 INT WINAPI GetKeyboardLayoutNameA(LPSTR pwszKLID)
 927 {
 928         sprintf(pwszKLID, "%08x",GetKeyboardLayout(0));
 929         return 1;
 930 }
 931
 932 /****************************************************************************
 933  *      GetKeyboardLayoutName32W   (USER32.253)
 934  */
 935 INT WINAPI GetKeyboardLayoutNameW(LPWSTR pwszKLID)
 936 {
 937         LPSTR buf = HEAP_xalloc( GetProcessHeap(), 0, strlen("00000409")+1);
 938         int res = GetKeyboardLayoutNameA(buf);
 939         lstrcpyAtoW(pwszKLID,buf);
 940         HeapFree( GetProcessHeap(), 0, buf );
 941         return res;
 942 }
 943
 944 /****************************************************************************
 945  *      GetKeyNameText32A   (USER32.247)
 946  */
 947 INT WINAPI GetKeyNameTextA(LONG lParam, LPSTR lpBuffer, INT nSize)
 948 {
 949         return GetKeyNameText16(lParam,lpBuffer,nSize);
 950 }
 951
 952 /****************************************************************************
 953  *      GetKeyNameText32W   (USER32.248)
 954  */
 955 INT WINAPI GetKeyNameTextW(LONG lParam, LPWSTR lpBuffer, INT nSize)
 956 {
 957         LPSTR buf = HEAP_xalloc( GetProcessHeap(), 0, nSize );
 958         int res = GetKeyNameTextA(lParam,buf,nSize);
 959
 960         lstrcpynAtoW(lpBuffer,buf,nSize);
 961         HeapFree( GetProcessHeap(), 0, buf );
 962         return res;
 963 }
 964
 965 /****************************************************************************
 966  *      ToAscii32      (USER32.546)
 967  */
 968 INT WINAPI ToAscii( UINT virtKey,UINT scanCode,LPBYTE lpKeyState,
 969                         LPWORD lpChar,UINT flags )
 970 {
 971     return ToAscii16(virtKey,scanCode,lpKeyState,lpChar,flags);
 972 }
 973
 974 /****************************************************************************
 975  *      ToAscii32      (USER32.547)
 976  */
 977 INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 978                       LPWORD lpChar, UINT flags, HKL dwhkl )
 979 {
 980                 /* FIXME: need true implementation */
 981     return ToAscii16(virtKey,scanCode,lpKeyState,lpChar,flags);
 982 }
 983
 984 /**********************************************************************
 985  *           ActivateKeyboardLayout32      (USER32.1)
 986  *
 987  * Call ignored. WINE supports only system default keyboard layout.
 988  */
 989 HKL WINAPI ActivateKeyboardLayout(HKL hLayout, UINT flags)
 990 {
 991     TRACE_(keyboard)("(%d, %d)\n", hLayout, flags);
 992     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
 993     return 0;
 994 }
 995
 996
 997 /***********************************************************************
 998  *           GetKeyboardLayoutList              (USER32.251)
 999  *
1000  * FIXME: Supports only the system default language and layout and
1001  *          returns only 1 value.
1002  *
1003  * Return number of values available if either input parm is
1004  *  0, per MS documentation.
1005  *
1006  */
1007 INT WINAPI GetKeyboardLayoutList(INT nBuff,HKL *layouts)
1008 {
1009         TRACE_(keyboard)("(%d,%p)\n",nBuff,layouts);
1010         if (!nBuff || !layouts)
1011             return 1;
1012         if (layouts)
1013                 layouts[0] = GetKeyboardLayout(0);
1014         return 1;
1015 }
1016
1017
1018 /***********************************************************************
1019  *           RegisterHotKey                     (USER32.433)
1020  */
1021 BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk) {
1022         FIXME_(keyboard)("(0x%08x,%d,0x%08x,%d): stub\n",hwnd,id,modifiers,vk);
1023         return TRUE;
1024 }
1025
1026 /***********************************************************************
1027  *           UnregisterHotKey                   (USER32.565)
1028  */
1029 BOOL WINAPI UnregisterHotKey(HWND hwnd,INT id) {
1030         FIXME_(keyboard)("(0x%08x,%d): stub\n",hwnd,id);
1031         return TRUE;
1032 }
1033
1034
1035 /***********************************************************************
1036  *           ToUnicode32                       (USER32.548)
1037  */
1038 INT WINAPI ToUnicode(
1039   UINT wVirtKey,
1040   UINT wScanCode,
1041   PBYTE  lpKeyState,
1042   LPWSTR pwszBuff,
1043   INT    cchBuff,
1044   UINT wFlags) {
1045
1046        FIXME_(keyboard)(": stub\n");
1047        return 0;
1048 }
1049
1050 /***********************************************************************
1051  *           LoadKeyboardLayout32A                (USER32.367)
1052  * Call ignored. WINE supports only system default keyboard layout.
1053  */
1054 HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
1055 {
1056     TRACE_(keyboard)("(%s, %d)\n", pwszKLID, Flags);
1057     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
1058   return 0;
1059 }
1060
1061 /***********************************************************************
1062  *           LoadKeyboardLayout32W                (USER32.368)
1063  */
1064 HKL WINAPI LoadKeyboardLayoutW(LPCWSTR pwszKLID, UINT Flags)
1065 {
1066     LPSTR buf = HEAP_xalloc( GetProcessHeap(), 0, strlen("00000409")+1);
1067     int res;
1068     lstrcpynWtoA(buf,pwszKLID,8);
1069     buf[8] = 0;
1070     res = LoadKeyboardLayoutA(buf, Flags);
1071     HeapFree( GetProcessHeap(), 0, buf );
1072     return res;
1073 }