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 "queue.h"
  31 #include "module.h"
  32 #include "debugtools.h"
  33 #include "struct32.h"
  34 #include "winerror.h"
  35 #include "task.h"
  36
  37 DECLARE_DEBUG_CHANNEL(accel);
  38 DECLARE_DEBUG_CHANNEL(event);
  39 DECLARE_DEBUG_CHANNEL(key);
  40 DECLARE_DEBUG_CHANNEL(keyboard);
  41 DECLARE_DEBUG_CHANNEL(win);
  42
  43 static BOOL InputEnabled = TRUE;
  44 BOOL SwappedButtons = FALSE;
  45
  46 BOOL MouseButtonsStates[3];
  47 BOOL AsyncMouseButtonsStates[3];
  48 BYTE InputKeyStateTable[256];
  49 BYTE QueueKeyStateTable[256];
  50 BYTE AsyncKeyStateTable[256];
  51
  52 /* Storage for the USER-maintained mouse positions */
  53 DWORD PosX, PosY;
  54
  55 typedef union
  56 {
  57     struct
  58     {
  59         unsigned long count : 16;
  60         unsigned long code : 8;
  61         unsigned long extended : 1;
  62         unsigned long unused : 2;
  63         unsigned long win_internal : 2;
  64         unsigned long context : 1;
  65         unsigned long previous : 1;
  66         unsigned long transition : 1;
  67     } lp1;
  68     unsigned long lp2;
  69 } KEYLP;
  70
  71 /***********************************************************************
  72  *           keybd_event   (USER32.583)
  73  */
  74 void WINAPI keybd_event( BYTE bVk, BYTE bScan,
  75                          DWORD dwFlags, DWORD dwExtraInfo )
  76 {
  77     DWORD time, extra;
  78     WORD message;
  79     KEYLP keylp;
  80     keylp.lp2 = 0;
  81
  82     if (!InputEnabled) return;
  83
  84     /*
  85      * If we are called by the Wine keyboard driver, use the additional
  86      * info pointed to by the dwExtraInfo argument.
  87      * Otherwise, we need to determine that info ourselves (probably
  88      * less accurate, but we can't help that ...).
  89      */
  90     if (   !IsBadReadPtr( (LPVOID)dwExtraInfo, sizeof(WINE_KEYBDEVENT) )
  91         && ((WINE_KEYBDEVENT *)dwExtraInfo)->magic == WINE_KEYBDEVENT_MAGIC )
  92     {
  93         WINE_KEYBDEVENT *wke = (WINE_KEYBDEVENT *)dwExtraInfo;
  94         time = wke->time;
  95         extra = 0;
  96     }
  97     else
  98     {
  99         time = GetTickCount();
 100         extra = dwExtraInfo;
 101     }
 102
 103
 104     keylp.lp1.count = 1;
 105     keylp.lp1.code = bScan;
 106     keylp.lp1.extended = (dwFlags & KEYEVENTF_EXTENDEDKEY) != 0;
 107     keylp.lp1.win_internal = 0; /* this has something to do with dialogs,
 108                                 * don't remember where I read it - AK */
 109                                 /* it's '1' under windows, when a dialog box appears
 110                                  * and you press one of the underlined keys - DF*/
 111
 112     if ( dwFlags & KEYEVENTF_KEYUP )
 113     {
 114         BOOL sysKey = (InputKeyStateTable[VK_MENU] & 0x80)
 115                 && !(InputKeyStateTable[VK_CONTROL] & 0x80)
 116                 && !(dwFlags & KEYEVENTF_WINE_FORCEEXTENDED); /* for Alt from AltGr */
 117
 118         InputKeyStateTable[bVk] &= ~0x80;
 119         keylp.lp1.previous = 1;
 120         keylp.lp1.transition = 1;
 121         message = sysKey ? WM_SYSKEYUP : WM_KEYUP;
 122     }
 123     else
 124     {
 125         keylp.lp1.previous = (InputKeyStateTable[bVk] & 0x80) != 0;
 126         keylp.lp1.transition = 0;
 127
 128         if (!(InputKeyStateTable[bVk] & 0x80))
 129             InputKeyStateTable[bVk] ^= 0x01;
 130         InputKeyStateTable[bVk] |= 0x80;
 131
 132         message = (InputKeyStateTable[VK_MENU] & 0x80)
 133               && !(InputKeyStateTable[VK_CONTROL] & 0x80)
 134               ? WM_SYSKEYDOWN : WM_KEYDOWN;
 135     }
 136
 137     if ( message == WM_SYSKEYDOWN || message == WM_SYSKEYUP )
 138         keylp.lp1.context = (InputKeyStateTable[VK_MENU] & 0x80) != 0; /* 1 if alt */
 139
 140
 141     TRACE_(key)("            wParam=%04X, lParam=%08lX\n", bVk, keylp.lp2 );
 142     TRACE_(key)("            InputKeyState=%X\n", InputKeyStateTable[bVk] );
 143
 144     hardware_event( message, bVk, keylp.lp2, PosX, PosY, time, extra );
 145 }
 146
 147 /***********************************************************************
 148  *           WIN16_keybd_event   (USER.289)
 149  */
 150 void WINAPI WIN16_keybd_event( CONTEXT86 *context )
 151 {
 152     DWORD dwFlags = 0;
 153
 154     if (AH_reg(context) & 0x80) dwFlags |= KEYEVENTF_KEYUP;
 155     if (BH_reg(context) & 1   ) dwFlags |= KEYEVENTF_EXTENDEDKEY;
 156
 157     keybd_event( AL_reg(context), BL_reg(context),
 158                  dwFlags, MAKELONG(SI_reg(context), DI_reg(context)) );
 159 }
 160
 161 /***********************************************************************
 162  *           mouse_event   (USER32.584)
 163  */
 164 void WINAPI mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
 165                          DWORD cButtons, DWORD dwExtraInfo )
 166 {
 167     DWORD time, extra;
 168     DWORD keyState;
 169
 170     if (!InputEnabled) return;
 171
 172     if ( dwFlags & MOUSEEVENTF_MOVE )
 173       {
 174         if ( dwFlags & MOUSEEVENTF_ABSOLUTE )
 175           {
 176             PosX = (dx * GetSystemMetrics(SM_CXSCREEN)) >> 16;
 177             PosY = (dy * GetSystemMetrics(SM_CYSCREEN)) >> 16;
 178           }
 179         else
 180           {
 181             int width  = GetSystemMetrics(SM_CXSCREEN);
 182             int height = GetSystemMetrics(SM_CYSCREEN);
 183             long posX = (long) PosX, posY = (long) PosY;
 184
 185             /* dx and dy can be negative numbers for relative movements */
 186             posX += (long) dx;
 187             posY += (long) dy;
 188
 189             /* Clip to the current screen size */
 190             if (posX < 0) PosX = 0;
 191             else if (posX >= width) PosX = width - 1;
 192             else PosX = posX;
 193
 194             if (posY < 0) PosY = 0;
 195             else if (posY >= height) PosY = height - 1;
 196             else PosY = posY;
 197           }
 198       }
 199
 200     /*
 201      * If we are called by the Wine mouse driver, use the additional
 202      * info pointed to by the dwExtraInfo argument.
 203      * Otherwise, we need to determine that info ourselves (probably
 204      * less accurate, but we can't help that ...).
 205      */
 206     if (   !IsBadReadPtr( (LPVOID)dwExtraInfo, sizeof(WINE_MOUSEEVENT) )
 207         && ((WINE_MOUSEEVENT *)dwExtraInfo)->magic == WINE_MOUSEEVENT_MAGIC )
 208     {
 209         WINE_MOUSEEVENT *wme = (WINE_MOUSEEVENT *)dwExtraInfo;
 210         time = wme->time;
 211         extra = (DWORD)wme->hWnd;
 212         keyState = wme->keyState;
 213
 214         if (keyState != GET_KEYSTATE()) {
 215           /* We need to update the keystate with what X provides us */
 216           MouseButtonsStates[SwappedButtons ? 2 : 0] = (keyState & MK_LBUTTON ? TRUE : FALSE);
 217           MouseButtonsStates[SwappedButtons ? 0 : 2] = (keyState & MK_RBUTTON ? TRUE : FALSE);
 218           MouseButtonsStates[1]                      = (keyState & MK_MBUTTON ? TRUE : FALSE);
 219           InputKeyStateTable[VK_SHIFT]               = (keyState & MK_SHIFT   ? 0x80 : 0);
 220           InputKeyStateTable[VK_CONTROL]             = (keyState & MK_CONTROL ? 0x80 : 0);
 221         }
 222     }
 223     else
 224     {
 225         time = GetTickCount();
 226         extra = dwExtraInfo;
 227         keyState = GET_KEYSTATE();
 228
 229         if ( dwFlags & MOUSEEVENTF_MOVE )
 230           {
 231             /* We have to actually move the cursor */
 232             SetCursorPos( PosX, PosY );
 233           }
 234     }
 235
 236
 237     if ( dwFlags & MOUSEEVENTF_MOVE )
 238     {
 239         hardware_event( WM_MOUSEMOVE,
 240                         keyState, 0L, PosX, PosY, time, extra );
 241     }
 242     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_LEFTDOWN : MOUSEEVENTF_RIGHTDOWN) )
 243     {
 244         MouseButtonsStates[0] = AsyncMouseButtonsStates[0] = TRUE;
 245         hardware_event( WM_LBUTTONDOWN,
 246                         keyState, 0L, PosX, PosY, time, extra );
 247     }
 248     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_LEFTUP : MOUSEEVENTF_RIGHTUP) )
 249     {
 250         MouseButtonsStates[0] = FALSE;
 251         hardware_event( WM_LBUTTONUP,
 252                         keyState, 0L, PosX, PosY, time, extra );
 253     }
 254     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_RIGHTDOWN : MOUSEEVENTF_LEFTDOWN) )
 255     {
 256         MouseButtonsStates[2] = AsyncMouseButtonsStates[2] = TRUE;
 257         hardware_event( WM_RBUTTONDOWN,
 258                         keyState, 0L, PosX, PosY, time, extra );
 259     }
 260     if ( dwFlags & (!SwappedButtons? MOUSEEVENTF_RIGHTUP : MOUSEEVENTF_LEFTUP) )
 261     {
 262         MouseButtonsStates[2] = FALSE;
 263         hardware_event( WM_RBUTTONUP,
 264                         keyState, 0L, PosX, PosY, time, extra );
 265     }
 266     if ( dwFlags & MOUSEEVENTF_MIDDLEDOWN )
 267     {
 268         MouseButtonsStates[1] = AsyncMouseButtonsStates[1] = TRUE;
 269         hardware_event( WM_MBUTTONDOWN,
 270                         keyState, 0L, PosX, PosY, time, extra );
 271     }
 272     if ( dwFlags & MOUSEEVENTF_MIDDLEUP )
 273     {
 274         MouseButtonsStates[1] = FALSE;
 275         hardware_event( WM_MBUTTONUP,
 276                         keyState, 0L, PosX, PosY, time, extra );
 277     }
 278 }
 279
 280 /***********************************************************************
 281  *           WIN16_mouse_event   (USER.299)
 282  */
 283 void WINAPI WIN16_mouse_event( CONTEXT86 *context )
 284 {
 285     mouse_event( AX_reg(context), BX_reg(context), CX_reg(context),
 286                  DX_reg(context), MAKELONG(SI_reg(context), DI_reg(context)) );
 287 }
 288
 289 /***********************************************************************
 290  *           GetMouseEventProc   (USER.337)
 291  */
 292 FARPROC16 WINAPI GetMouseEventProc16(void)
 293 {
 294     HMODULE16 hmodule = GetModuleHandle16("USER");
 295     return NE_GetEntryPoint( hmodule, NE_GetOrdinal( hmodule, "mouse_event" ));
 296 }
 297
 298
 299 /**********************************************************************
 300  *                      EnableHardwareInput   (USER.331)
 301  */
 302 BOOL16 WINAPI EnableHardwareInput16(BOOL16 bEnable)
 303 {
 304   BOOL16 bOldState = InputEnabled;
 305   FIXME_(event)("(%d) - stub\n", bEnable);
 306   InputEnabled = bEnable;
 307   return bOldState;
 308 }
 309
 310
 311 /***********************************************************************
 312  *           SwapMouseButton16   (USER.186)
 313  */
 314 BOOL16 WINAPI SwapMouseButton16( BOOL16 fSwap )
 315 {
 316     BOOL16 ret = SwappedButtons;
 317     SwappedButtons = fSwap;
 318     return ret;
 319 }
 320
 321
 322 /***********************************************************************
 323  *           SwapMouseButton   (USER32.537)
 324  */
 325 BOOL WINAPI SwapMouseButton( BOOL fSwap )
 326 {
 327     BOOL ret = SwappedButtons;
 328     SwappedButtons = fSwap;
 329     return ret;
 330 }
 331
 332 /**********************************************************************
 333  *              EVENT_Capture
 334  *
 335  * We need this to be able to generate double click messages
 336  * when menu code captures mouse in the window without CS_DBLCLK style.
 337  */
 338 HWND EVENT_Capture(HWND hwnd, INT16 ht)
 339 {
 340     HWND capturePrev = 0, captureWnd = 0;
 341     MESSAGEQUEUE *pMsgQ = 0, *pCurMsgQ = 0;
 342     WND* wndPtr = 0;
 343     INT16 captureHT = 0;
 344
 345     /* Get the messageQ for the current thread */
 346     if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
 347     {
 348         WARN_(win)("\tCurrent message queue not found. Exiting!\n" );
 349         goto CLEANUP;
 350     }
 351
 352     /* Get the current capture window from the perQ data of the current message Q */
 353     capturePrev = PERQDATA_GetCaptureWnd( pCurMsgQ->pQData );
 354
 355     if (!hwnd)
 356     {
 357         captureWnd = 0L;
 358         captureHT = 0;
 359     }
 360     else
 361     {
 362         wndPtr = WIN_FindWndPtr( hwnd );
 363         if (wndPtr)
 364         {
 365             TRACE_(win)("(0x%04x)\n", hwnd );
 366             captureWnd   = hwnd;
 367             captureHT    = ht;
 368         }
 369     }
 370
 371     /* Update the perQ capture window and send messages */
 372     if( capturePrev != captureWnd )
 373     {
 374         if (wndPtr)
 375         {
 376             /* Retrieve the message queue associated with this window */
 377             pMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( wndPtr->hmemTaskQ );
 378             if ( !pMsgQ )
 379             {
 380                 WARN_(win)("\tMessage queue not found. Exiting!\n" );
 381                 goto CLEANUP;
 382             }
 383
 384             /* Make sure that message queue for the window we are setting capture to
 385              * shares the same perQ data as the current threads message queue.
 386              */
 387             if ( pCurMsgQ->pQData != pMsgQ->pQData )
 388                 goto CLEANUP;
 389         }
 390
 391         PERQDATA_SetCaptureWnd( pCurMsgQ->pQData, captureWnd );
 392         PERQDATA_SetCaptureInfo( pCurMsgQ->pQData, captureHT );
 393
 394         if( capturePrev )
 395     {
 396         WND* wndPtr = WIN_FindWndPtr( capturePrev );
 397         if( wndPtr && (wndPtr->flags & WIN_ISWIN32) )
 398             SendMessageA( capturePrev, WM_CAPTURECHANGED, 0L, hwnd);
 399             WIN_ReleaseWndPtr(wndPtr);
 400     }
 401 }
 402
 403 CLEANUP:
 404     /* Unlock the queues before returning */
 405     if ( pMsgQ )
 406         QUEUE_Unlock( pMsgQ );
 407     if ( pCurMsgQ )
 408         QUEUE_Unlock( pCurMsgQ );
 409
 410     WIN_ReleaseWndPtr(wndPtr);
 411     return capturePrev;
 412 }
 413
 414
 415 /**********************************************************************
 416  *              SetCapture16   (USER.18)
 417  */
 418 HWND16 WINAPI SetCapture16( HWND16 hwnd )
 419 {
 420     return (HWND16)EVENT_Capture( hwnd, HTCLIENT );
 421 }
 422
 423
 424 /**********************************************************************
 425  *              SetCapture   (USER32.464)
 426  */
 427 HWND WINAPI SetCapture( HWND hwnd )
 428 {
 429     return EVENT_Capture( hwnd, HTCLIENT );
 430 }
 431
 432
 433 /**********************************************************************
 434  *              ReleaseCapture   (USER.19) (USER32.439)
 435  */
 436 BOOL WINAPI ReleaseCapture(void)
 437 {
 438     return (EVENT_Capture( 0, 0 ) != 0);
 439 }
 440
 441
 442 /**********************************************************************
 443  *              GetCapture16   (USER.236)
 444  */
 445 HWND16 WINAPI GetCapture16(void)
 446 {
 447     return (HWND16)GetCapture();
 448 }
 449
 450 /**********************************************************************
 451  *              GetCapture   (USER32.208)
 452  */
 453 HWND WINAPI GetCapture(void)
 454 {
 455     MESSAGEQUEUE *pCurMsgQ = 0;
 456     HWND hwndCapture = 0;
 457
 458     /* Get the messageQ for the current thread */
 459     if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
 460 {
 461         TRACE_(win)("GetCapture32:  Current message queue not found. Exiting!\n" );
 462         return 0;
 463     }
 464
 465     /* Get the current capture window from the perQ data of the current message Q */
 466     hwndCapture = PERQDATA_GetCaptureWnd( pCurMsgQ->pQData );
 467
 468     QUEUE_Unlock( pCurMsgQ );
 469     return hwndCapture;
 470 }
 471
 472 /**********************************************************************
 473  *           GetKeyState      (USER.106)
 474  */
 475 INT16 WINAPI GetKeyState16(INT16 vkey)
 476 {
 477     return GetKeyState(vkey);
 478 }
 479
 480 /**********************************************************************
 481  *           GetKeyState      (USER32.249)
 482  *
 483  * An application calls the GetKeyState function in response to a
 484  * keyboard-input message.  This function retrieves the state of the key
 485  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 390)
 486  */
 487 SHORT WINAPI GetKeyState(INT vkey)
 488 {
 489     INT retval;
 490
 491     switch (vkey)
 492         {
 493         case VK_LBUTTON : /* VK_LBUTTON is 1 */
 494             retval = MouseButtonsStates[0] ? 0x8000 : 0;
 495             break;
 496         case VK_MBUTTON : /* VK_MBUTTON is 4 */
 497             retval = MouseButtonsStates[1] ? 0x8000 : 0;
 498             break;
 499         case VK_RBUTTON : /* VK_RBUTTON is 2 */
 500             retval = MouseButtonsStates[2] ? 0x8000 : 0;
 501             break;
 502         default :
 503             if (vkey >= 'a' && vkey <= 'z')
 504                 vkey += 'A' - 'a';
 505             retval = ( (WORD)(QueueKeyStateTable[vkey] & 0x80) << 8 ) |
 506                        (WORD)(QueueKeyStateTable[vkey] & 0x01);
 507         }
 508     /* TRACE(key, "(0x%x) -> %x\n", vkey, retval); */
 509     return retval;
 510 }
 511
 512 /**********************************************************************
 513  *           GetKeyboardState      (USER.222)(USER32.254)
 514  *
 515  * An application calls the GetKeyboardState function in response to a
 516  * keyboard-input message.  This function retrieves the state of the keyboard
 517  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 387)
 518  */
 519 BOOL WINAPI GetKeyboardState(LPBYTE lpKeyState)
 520 {
 521     TRACE_(key)("(%p)\n", lpKeyState);
 522     if (lpKeyState != NULL) {
 523         QueueKeyStateTable[VK_LBUTTON] = MouseButtonsStates[0] ? 0x80 : 0;
 524         QueueKeyStateTable[VK_MBUTTON] = MouseButtonsStates[1] ? 0x80 : 0;
 525         QueueKeyStateTable[VK_RBUTTON] = MouseButtonsStates[2] ? 0x80 : 0;
 526         memcpy(lpKeyState, QueueKeyStateTable, 256);
 527     }
 528
 529     return TRUE;
 530 }
 531
 532 /**********************************************************************
 533  *          SetKeyboardState      (USER.223)(USER32.484)
 534  */
 535 BOOL WINAPI SetKeyboardState(LPBYTE lpKeyState)
 536 {
 537     TRACE_(key)("(%p)\n", lpKeyState);
 538     if (lpKeyState != NULL) {
 539         memcpy(QueueKeyStateTable, lpKeyState, 256);
 540         MouseButtonsStates[0] = (QueueKeyStateTable[VK_LBUTTON] != 0);
 541         MouseButtonsStates[1] = (QueueKeyStateTable[VK_MBUTTON] != 0);
 542         MouseButtonsStates[2] = (QueueKeyStateTable[VK_RBUTTON] != 0);
 543     }
 544
 545     return TRUE;
 546 }
 547
 548 /**********************************************************************
 549  *           GetAsyncKeyState      (USER32.207)
 550  *
 551  *      Determine if a key is or was pressed.  retval has high-order
 552  * bit set to 1 if currently pressed, low-order bit set to 1 if key has
 553  * been pressed.
 554  *
 555  *      This uses the variable AsyncMouseButtonsStates and
 556  * AsyncKeyStateTable (set in event.c) which have the mouse button
 557  * number or key number (whichever is applicable) set to true if the
 558  * mouse or key had been depressed since the last call to
 559  * GetAsyncKeyState.
 560  */
 561 WORD WINAPI GetAsyncKeyState(INT nKey)
 562 {
 563     short retval;
 564
 565     switch (nKey) {
 566      case VK_LBUTTON:
 567         retval = (AsyncMouseButtonsStates[0] ? 0x0001 : 0) |
 568                  (MouseButtonsStates[0] ? 0x8000 : 0);
 569         break;
 570      case VK_MBUTTON:
 571         retval = (AsyncMouseButtonsStates[1] ? 0x0001 : 0) |
 572                  (MouseButtonsStates[1] ? 0x8000 : 0);
 573         break;
 574      case VK_RBUTTON:
 575         retval = (AsyncMouseButtonsStates[2] ? 0x0001 : 0) |
 576                  (MouseButtonsStates[2] ? 0x8000 : 0);
 577         break;
 578      default:
 579         retval = AsyncKeyStateTable[nKey] |
 580                 ((InputKeyStateTable[nKey] & 0x80) ? 0x8000 : 0);
 581         break;
 582     }
 583
 584     /* all states to false */
 585     memset( AsyncMouseButtonsStates, 0, sizeof(AsyncMouseButtonsStates) );
 586     memset( AsyncKeyStateTable, 0, sizeof(AsyncKeyStateTable) );
 587
 588     TRACE_(key)("(%x) -> %x\n", nKey, retval);
 589     return retval;
 590 }
 591
 592 /**********************************************************************
 593  *            GetAsyncKeyState16        (USER.249)
 594  */
 595 WORD WINAPI GetAsyncKeyState16(INT16 nKey)
 596 {
 597     return GetAsyncKeyState(nKey);
 598 }
 599
 600 /***********************************************************************
 601  *              IsUserIdle      (USER.333)
 602  */
 603 BOOL16 WINAPI IsUserIdle16(void)
 604 {
 605     if ( GetAsyncKeyState( VK_LBUTTON ) & 0x8000 )
 606         return FALSE;
 607
 608     if ( GetAsyncKeyState( VK_RBUTTON ) & 0x8000 )
 609         return FALSE;
 610
 611     if ( GetAsyncKeyState( VK_MBUTTON ) & 0x8000 )
 612         return FALSE;
 613
 614     /* Should check for screen saver activation here ... */
 615
 616     return TRUE;
 617 }
 618
 619 /**********************************************************************
 620  *           KBD_translate_accelerator
 621  *
 622  * FIXME: should send some WM_INITMENU or/and WM_INITMENUPOPUP  -messages
 623  */
 624 static BOOL KBD_translate_accelerator(HWND hWnd,LPMSG msg,
 625                                         BYTE fVirt,WORD key,WORD cmd)
 626 {
 627     BOOL        sendmsg = FALSE;
 628
 629     if(msg->wParam == key)
 630     {
 631         if (msg->message == WM_CHAR) {
 632         if ( !(fVirt & FALT) && !(fVirt & FVIRTKEY) )
 633         {
 634           TRACE_(accel)("found accel for WM_CHAR: ('%c')\n",
 635                         msg->wParam&0xff);
 636           sendmsg=TRUE;
 637         }
 638       } else {
 639        if(fVirt & FVIRTKEY) {
 640         INT mask = 0;
 641         TRACE_(accel)("found accel for virt_key %04x (scan %04x)\n",
 642                                msg->wParam,0xff & HIWORD(msg->lParam));
 643         if(GetKeyState(VK_SHIFT) & 0x8000) mask |= FSHIFT;
 644         if(GetKeyState(VK_CONTROL) & 0x8000) mask |= FCONTROL;
 645         if(GetKeyState(VK_MENU) & 0x8000) mask |= FALT;
 646         if(mask == (fVirt & (FSHIFT | FCONTROL | FALT)))
 647           sendmsg=TRUE;
 648         else
 649           TRACE_(accel)(", but incorrect SHIFT/CTRL/ALT-state\n");
 650        }
 651        else
 652        {
 653          if (!(msg->lParam & 0x01000000))  /* no special_key */
 654          {
 655            if ((fVirt & FALT) && (msg->lParam & 0x20000000))
 656            {                                                   /* ^^ ALT pressed */
 657             TRACE_(accel)("found accel for Alt-%c\n", msg->wParam&0xff);
 658             sendmsg=TRUE;
 659            }
 660          }
 661        }
 662       }
 663
 664       if (sendmsg)      /* found an accelerator, but send a message... ? */
 665       {
 666         INT16  iSysStat,iStat,mesg=0;
 667         HMENU16 hMenu;
 668
 669         if (msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
 670           mesg=1;
 671         else
 672          if (GetCapture())
 673            mesg=2;
 674          else
 675           if (!IsWindowEnabled(hWnd))
 676             mesg=3;
 677           else
 678           {
 679             WND* wndPtr = WIN_FindWndPtr(hWnd);
 680
 681             hMenu = (wndPtr->dwStyle & WS_CHILD) ? 0 : (HMENU)wndPtr->wIDmenu;
 682             iSysStat = (wndPtr->hSysMenu) ? GetMenuState(GetSubMenu16(wndPtr->hSysMenu, 0),
 683                                             cmd, MF_BYCOMMAND) : -1 ;
 684             iStat = (hMenu) ? GetMenuState(hMenu,
 685                                             cmd, MF_BYCOMMAND) : -1 ;
 686
 687             WIN_ReleaseWndPtr(wndPtr);
 688
 689             if (iSysStat!=-1)
 690             {
 691               if (iSysStat & (MF_DISABLED|MF_GRAYED))
 692                 mesg=4;
 693               else
 694                 mesg=WM_SYSCOMMAND;
 695             }
 696             else
 697             {
 698               if (iStat!=-1)
 699               {
 700                 if (IsIconic(hWnd))
 701                   mesg=5;
 702                 else
 703                 {
 704                  if (iStat & (MF_DISABLED|MF_GRAYED))
 705                    mesg=6;
 706                  else
 707                    mesg=WM_COMMAND;
 708                 }
 709               }
 710               else
 711                mesg=WM_COMMAND;
 712             }
 713           }
 714           if( mesg==WM_COMMAND ) {
 715               TRACE_(accel)(", sending WM_COMMAND, wParam=%0x\n", 0x10000 | cmd);
 716               SendMessageA(hWnd, mesg, 0x10000 | cmd, 0L);
 717           } else if( mesg==WM_SYSCOMMAND ) {
 718               TRACE_(accel)(", sending WM_SYSCOMMAND, wParam=%0x\n", cmd);
 719               SendMessageA(hWnd, mesg, cmd, 0x00010000L);
 720           }
 721           else
 722           {
 723            /*  some reasons for NOT sending the WM_{SYS}COMMAND message:
 724             *   #0: unknown (please report!)
 725             *   #1: for WM_KEYUP,WM_SYSKEYUP
 726             *   #2: mouse is captured
 727             *   #3: window is disabled
 728             *   #4: it's a disabled system menu option
 729             *   #5: it's a menu option, but window is iconic
 730             *   #6: it's a menu option, but disabled
 731             */
 732             TRACE_(accel)(", but won't send WM_{SYS}COMMAND, reason is #%d\n",mesg);
 733             if(mesg==0)
 734               ERR_(accel)(" unknown reason - please report!");
 735           }
 736           return TRUE;
 737       }
 738     }
 739     return FALSE;
 740 }
 741
 742 /**********************************************************************
 743  *      TranslateAccelerator      (USER32.551)(USER32.552)(USER32.553)
 744  */
 745 INT WINAPI TranslateAccelerator(HWND hWnd, HACCEL hAccel, LPMSG msg)
 746 {
 747     /* YES, Accel16! */
 748     LPACCEL16   lpAccelTbl;
 749     int         i;
 750
 751     if (msg == NULL)
 752        {
 753           WARN_(accel)("msg null; should hang here to be win compatible\n");
 754           return 0;
 755        }
 756     if (!hAccel || !(lpAccelTbl = (LPACCEL16) LockResource16(hAccel)))
 757        {
 758           WARN_(accel)("invalid accel handle=%x\n", hAccel);
 759           return 0;
 760        }
 761     if ((msg->message != WM_KEYDOWN &&
 762          msg->message != WM_KEYUP &&
 763          msg->message != WM_SYSKEYDOWN &&
 764          msg->message != WM_SYSKEYUP &&
 765          msg->message != WM_CHAR)) return 0;
 766
 767     TRACE_(accel)("TranslateAccelerators hAccel=%04x, hWnd=%04x,"
 768           "msg->hwnd=%04x, msg->message=%04x, wParam=%08x, lParam=%lx\n",
 769           hAccel,hWnd,msg->hwnd,msg->message,msg->wParam,msg->lParam);
 770
 771     i = 0;
 772     do
 773     {
 774         if (KBD_translate_accelerator(hWnd,msg,lpAccelTbl[i].fVirt,
 775                                       lpAccelTbl[i].key,lpAccelTbl[i].cmd))
 776                 return 1;
 777     } while ((lpAccelTbl[i++].fVirt & 0x80) == 0);
 778     WARN_(accel)("couldn't translate accelerator key\n");
 779     return 0;
 780 }
 781
 782 /**********************************************************************
 783  *           TranslateAccelerator16      (USER.178)
 784  */
 785 INT16 WINAPI TranslateAccelerator16(HWND16 hWnd, HACCEL16 hAccel, LPMSG16 msg)
 786 {
 787     LPACCEL16   lpAccelTbl;
 788     int         i;
 789     MSG msg32;
 790
 791     if (msg == NULL)
 792        {
 793           WARN_(accel)("msg null; should hang here to be win compatible\n");
 794           return 0;
 795        }
 796     if (!hAccel || !(lpAccelTbl = (LPACCEL16) LockResource16(hAccel)))
 797        {
 798           WARN_(accel)("invalid accel handle=%x\n", hAccel);
 799           return 0;
 800        }
 801     if ((msg->message != WM_KEYDOWN &&
 802          msg->message != WM_KEYUP &&
 803          msg->message != WM_SYSKEYDOWN &&
 804          msg->message != WM_SYSKEYUP &&
 805          msg->message != WM_CHAR)) return 0;
 806
 807     TRACE_(accel)("TranslateAccelerators hAccel=%04x, hWnd=%04x,\
 808 msg->hwnd=%04x, msg->message=%04x, wParam=%04x, lParam=%lx\n", hAccel,hWnd,msg->hwnd,msg->message,msg->wParam,msg->lParam);
 809
 810     STRUCT32_MSG16to32(msg,&msg32);
 811
 812     i = 0;
 813     do
 814     {
 815         if (KBD_translate_accelerator(hWnd,&msg32,lpAccelTbl[i].fVirt,
 816                                       lpAccelTbl[i].key,lpAccelTbl[i].cmd))
 817                 return 1;
 818     } while ((lpAccelTbl[i++].fVirt & 0x80) == 0);
 819     WARN_(accel)("couldn't translate accelerator key\n");
 820     return 0;
 821 }
 822
 823
 824 /**********************************************************************
 825  *           VkKeyScanA      (USER32.573)
 826  */
 827 WORD WINAPI VkKeyScanA(CHAR cChar)
 828 {
 829         return VkKeyScan16(cChar);
 830 }
 831
 832 /******************************************************************************
 833  *      VkKeyScanW      (USER32.576)
 834  */
 835 WORD WINAPI VkKeyScanW(WCHAR cChar)
 836 {
 837         return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 838 }
 839
 840 /**********************************************************************
 841  *           VkKeyScanExA      (USER32.574)
 842  */
 843 WORD WINAPI VkKeyScanExA(CHAR cChar, HKL dwhkl)
 844 {
 845                                 /* FIXME: complete workaround this is */
 846                                 return VkKeyScan16(cChar);
 847 }
 848
 849 /******************************************************************************
 850  *      VkKeyScanExW      (USER32.575)
 851  */
 852 WORD WINAPI VkKeyScanExW(WCHAR cChar, HKL dwhkl)
 853 {
 854                                 /* FIXME: complete workaround this is */
 855                                 return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 856 }
 857
 858 /******************************************************************************
 859  *      GetKeyboardType      (USER32.255)
 860  */
 861 INT WINAPI GetKeyboardType(INT nTypeFlag)
 862 {
 863   return GetKeyboardType16(nTypeFlag);
 864 }
 865
 866 /******************************************************************************
 867  *      MapVirtualKeyA      (USER32.383)
 868  */
 869 UINT WINAPI MapVirtualKeyA(UINT code, UINT maptype)
 870 {
 871     return MapVirtualKey16(code,maptype);
 872 }
 873
 874 /******************************************************************************
 875  *      MapVirtualKeyW      (USER32.385)
 876  */
 877 UINT WINAPI MapVirtualKeyW(UINT code, UINT maptype)
 878 {
 879     return MapVirtualKey16(code,maptype);
 880 }
 881
 882 /******************************************************************************
 883  *      MapVirtualKeyExA      (USER32.384)
 884  */
 885 UINT WINAPI MapVirtualKeyExA(UINT code, UINT maptype, HKL hkl)
 886 {
 887     if (hkl)
 888         FIXME_(keyboard)("(%d,%d,0x%08lx), hkl unhandled!\n",code,maptype,(DWORD)hkl);
 889     return MapVirtualKey16(code,maptype);
 890 }
 891
 892 /****************************************************************************
 893  *      GetKBCodePage   (USER32.246)
 894  */
 895 UINT WINAPI GetKBCodePage(void)
 896 {
 897     return GetKBCodePage16();
 898 }
 899
 900 /****************************************************************************
 901  *      GetKeyboardLayoutName16   (USER.477)
 902  */
 903 INT16 WINAPI GetKeyboardLayoutName16(LPSTR pwszKLID)
 904 {
 905         return GetKeyboardLayoutNameA(pwszKLID);
 906 }
 907
 908 /***********************************************************************
 909  *           GetKeyboardLayout                  (USER32.250)
 910  *
 911  * FIXME: - device handle for keyboard layout defaulted to
 912  *          the language id. This is the way Windows default works.
 913  *        - the thread identifier (dwLayout) is also ignored.
 914  */
 915 HKL WINAPI GetKeyboardLayout(DWORD dwLayout)
 916 {
 917         HKL layout;
 918         layout = GetSystemDefaultLCID(); /* FIXME */
 919         layout |= (layout<<16);          /* FIXME */
 920         TRACE_(keyboard)("returning %08x\n",layout);
 921         return layout;
 922 }
 923
 924 /****************************************************************************
 925  *      GetKeyboardLayoutNameA   (USER32.252)
 926  */
 927 INT WINAPI GetKeyboardLayoutNameA(LPSTR pwszKLID)
 928 {
 929         sprintf(pwszKLID, "%08x",GetKeyboardLayout(0));
 930         return 1;
 931 }
 932
 933 /****************************************************************************
 934  *      GetKeyboardLayoutNameW   (USER32.253)
 935  */
 936 INT WINAPI GetKeyboardLayoutNameW(LPWSTR pwszKLID)
 937 {
 938         LPSTR buf = HEAP_xalloc( GetProcessHeap(), 0, strlen("00000409")+1);
 939         int res = GetKeyboardLayoutNameA(buf);
 940         lstrcpyAtoW(pwszKLID,buf);
 941         HeapFree( GetProcessHeap(), 0, buf );
 942         return res;
 943 }
 944
 945 /****************************************************************************
 946  *      GetKeyNameTextA   (USER32.247)
 947  */
 948 INT WINAPI GetKeyNameTextA(LONG lParam, LPSTR lpBuffer, INT nSize)
 949 {
 950         return GetKeyNameText16(lParam,lpBuffer,nSize);
 951 }
 952
 953 /****************************************************************************
 954  *      GetKeyNameTextW   (USER32.248)
 955  */
 956 INT WINAPI GetKeyNameTextW(LONG lParam, LPWSTR lpBuffer, INT nSize)
 957 {
 958         LPSTR buf = HEAP_xalloc( GetProcessHeap(), 0, nSize );
 959         int res = GetKeyNameTextA(lParam,buf,nSize);
 960
 961         lstrcpynAtoW(lpBuffer,buf,nSize);
 962         HeapFree( GetProcessHeap(), 0, buf );
 963         return res;
 964 }
 965
 966 /****************************************************************************
 967  *      ToAscii      (USER32.546)
 968  */
 969 INT WINAPI ToAscii( UINT virtKey,UINT scanCode,LPBYTE lpKeyState,
 970                         LPWORD lpChar,UINT flags )
 971 {
 972     return ToAscii16(virtKey,scanCode,lpKeyState,lpChar,flags);
 973 }
 974
 975 /****************************************************************************
 976  *      ToAsciiEx      (USER32.547)
 977  */
 978 INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 979                       LPWORD lpChar, UINT flags, HKL dwhkl )
 980 {
 981                 /* FIXME: need true implementation */
 982     return ToAscii16(virtKey,scanCode,lpKeyState,lpChar,flags);
 983 }
 984
 985 /**********************************************************************
 986  *           ActivateKeyboardLayout      (USER32.1)
 987  *
 988  * Call ignored. WINE supports only system default keyboard layout.
 989  */
 990 HKL WINAPI ActivateKeyboardLayout(HKL hLayout, UINT flags)
 991 {
 992     TRACE_(keyboard)("(%d, %d)\n", hLayout, flags);
 993     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
 994     return 0;
 995 }
 996
 997
 998 /***********************************************************************
 999  *           GetKeyboardLayoutList              (USER32.251)
1000  *
1001  * FIXME: Supports only the system default language and layout and
1002  *          returns only 1 value.
1003  *
1004  * Return number of values available if either input parm is
1005  *  0, per MS documentation.
1006  *
1007  */
1008 INT WINAPI GetKeyboardLayoutList(INT nBuff,HKL *layouts)
1009 {
1010         TRACE_(keyboard)("(%d,%p)\n",nBuff,layouts);
1011         if (!nBuff || !layouts)
1012             return 1;
1013         if (layouts)
1014                 layouts[0] = GetKeyboardLayout(0);
1015         return 1;
1016 }
1017
1018
1019 /***********************************************************************
1020  *           RegisterHotKey                     (USER32.433)
1021  */
1022 BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk) {
1023         FIXME_(keyboard)("(0x%08x,%d,0x%08x,%d): stub\n",hwnd,id,modifiers,vk);
1024         return TRUE;
1025 }
1026
1027 /***********************************************************************
1028  *           UnregisterHotKey                   (USER32.565)
1029  */
1030 BOOL WINAPI UnregisterHotKey(HWND hwnd,INT id) {
1031         FIXME_(keyboard)("(0x%08x,%d): stub\n",hwnd,id);
1032         return TRUE;
1033 }
1034
1035
1036 /***********************************************************************
1037  *           ToUnicode                       (USER32.548)
1038  */
1039 INT WINAPI ToUnicode(
1040   UINT wVirtKey,
1041   UINT wScanCode,
1042   PBYTE  lpKeyState,
1043   LPWSTR pwszBuff,
1044   INT    cchBuff,
1045   UINT wFlags) {
1046
1047        FIXME_(keyboard)(": stub\n");
1048        return 0;
1049 }
1050
1051 /***********************************************************************
1052  *           LoadKeyboardLayoutA                (USER32.367)
1053  * Call ignored. WINE supports only system default keyboard layout.
1054  */
1055 HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
1056 {
1057     TRACE_(keyboard)("(%s, %d)\n", pwszKLID, Flags);
1058     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
1059   return 0;
1060 }
1061
1062 /***********************************************************************
1063  *           LoadKeyboardLayoutW                (USER32.368)
1064  */
1065 HKL WINAPI LoadKeyboardLayoutW(LPCWSTR pwszKLID, UINT Flags)
1066 {
1067     LPSTR buf = HEAP_xalloc( GetProcessHeap(), 0, strlen("00000409")+1);
1068     int res;
1069     lstrcpynWtoA(buf,pwszKLID,8);
1070     buf[8] = 0;
1071     res = LoadKeyboardLayoutA(buf, Flags);
1072     HeapFree( GetProcessHeap(), 0, buf );
1073     return res;
1074 }