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     if ( dwFlags & MOUSEEVENTF_WHEEL )
 279     {
 280         hardware_event( WM_MOUSEWHEEL,
 281                         keyState, 0L, PosX, PosY, time, extra );
 282     }
 283 }
 284
 285 /***********************************************************************
 286  *           WIN16_mouse_event   (USER.299)
 287  */
 288 void WINAPI WIN16_mouse_event( CONTEXT86 *context )
 289 {
 290     mouse_event( AX_reg(context), BX_reg(context), CX_reg(context),
 291                  DX_reg(context), MAKELONG(SI_reg(context), DI_reg(context)) );
 292 }
 293
 294 /***********************************************************************
 295  *           GetMouseEventProc   (USER.337)
 296  */
 297 FARPROC16 WINAPI GetMouseEventProc16(void)
 298 {
 299     HMODULE16 hmodule = GetModuleHandle16("USER");
 300     return NE_GetEntryPoint( hmodule, NE_GetOrdinal( hmodule, "mouse_event" ));
 301 }
 302
 303
 304 /**********************************************************************
 305  *                      EnableHardwareInput   (USER.331)
 306  */
 307 BOOL16 WINAPI EnableHardwareInput16(BOOL16 bEnable)
 308 {
 309   BOOL16 bOldState = InputEnabled;
 310   FIXME_(event)("(%d) - stub\n", bEnable);
 311   InputEnabled = bEnable;
 312   return bOldState;
 313 }
 314
 315
 316 /***********************************************************************
 317  *           SwapMouseButton16   (USER.186)
 318  */
 319 BOOL16 WINAPI SwapMouseButton16( BOOL16 fSwap )
 320 {
 321     BOOL16 ret = SwappedButtons;
 322     SwappedButtons = fSwap;
 323     return ret;
 324 }
 325
 326
 327 /***********************************************************************
 328  *           SwapMouseButton   (USER32.537)
 329  */
 330 BOOL WINAPI SwapMouseButton( BOOL fSwap )
 331 {
 332     BOOL ret = SwappedButtons;
 333     SwappedButtons = fSwap;
 334     return ret;
 335 }
 336
 337 /**********************************************************************
 338  *              EVENT_Capture
 339  *
 340  * We need this to be able to generate double click messages
 341  * when menu code captures mouse in the window without CS_DBLCLK style.
 342  */
 343 HWND EVENT_Capture(HWND hwnd, INT16 ht)
 344 {
 345     HWND capturePrev = 0, captureWnd = 0;
 346     MESSAGEQUEUE *pMsgQ = 0, *pCurMsgQ = 0;
 347     WND* wndPtr = 0;
 348     INT16 captureHT = 0;
 349
 350     /* Get the messageQ for the current thread */
 351     if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
 352     {
 353         WARN_(win)("\tCurrent message queue not found. Exiting!\n" );
 354         goto CLEANUP;
 355     }
 356
 357     /* Get the current capture window from the perQ data of the current message Q */
 358     capturePrev = PERQDATA_GetCaptureWnd( pCurMsgQ->pQData );
 359
 360     if (!hwnd)
 361     {
 362         captureWnd = 0L;
 363         captureHT = 0;
 364     }
 365     else
 366     {
 367         wndPtr = WIN_FindWndPtr( hwnd );
 368         if (wndPtr)
 369         {
 370             TRACE_(win)("(0x%04x)\n", hwnd );
 371             captureWnd   = hwnd;
 372             captureHT    = ht;
 373         }
 374     }
 375
 376     /* Update the perQ capture window and send messages */
 377     if( capturePrev != captureWnd )
 378     {
 379         if (wndPtr)
 380         {
 381             /* Retrieve the message queue associated with this window */
 382             pMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( wndPtr->hmemTaskQ );
 383             if ( !pMsgQ )
 384             {
 385                 WARN_(win)("\tMessage queue not found. Exiting!\n" );
 386                 goto CLEANUP;
 387             }
 388
 389             /* Make sure that message queue for the window we are setting capture to
 390              * shares the same perQ data as the current threads message queue.
 391              */
 392             if ( pCurMsgQ->pQData != pMsgQ->pQData )
 393                 goto CLEANUP;
 394         }
 395
 396         PERQDATA_SetCaptureWnd( pCurMsgQ->pQData, captureWnd );
 397         PERQDATA_SetCaptureInfo( pCurMsgQ->pQData, captureHT );
 398
 399         if( capturePrev )
 400     {
 401         WND* xwndPtr = WIN_FindWndPtr( capturePrev );
 402         if( xwndPtr && (xwndPtr->flags & WIN_ISWIN32) )
 403             SendMessageA( capturePrev, WM_CAPTURECHANGED, 0L, hwnd);
 404         WIN_ReleaseWndPtr(xwndPtr);
 405     }
 406 }
 407
 408 CLEANUP:
 409     /* Unlock the queues before returning */
 410     if ( pMsgQ )
 411         QUEUE_Unlock( pMsgQ );
 412     if ( pCurMsgQ )
 413         QUEUE_Unlock( pCurMsgQ );
 414
 415     WIN_ReleaseWndPtr(wndPtr);
 416     return capturePrev;
 417 }
 418
 419
 420 /**********************************************************************
 421  *              SetCapture16   (USER.18)
 422  */
 423 HWND16 WINAPI SetCapture16( HWND16 hwnd )
 424 {
 425     return (HWND16)EVENT_Capture( hwnd, HTCLIENT );
 426 }
 427
 428
 429 /**********************************************************************
 430  *              SetCapture   (USER32.464)
 431  */
 432 HWND WINAPI SetCapture( HWND hwnd )
 433 {
 434     return EVENT_Capture( hwnd, HTCLIENT );
 435 }
 436
 437
 438 /**********************************************************************
 439  *              ReleaseCapture   (USER.19) (USER32.439)
 440  */
 441 BOOL WINAPI ReleaseCapture(void)
 442 {
 443     return (EVENT_Capture( 0, 0 ) != 0);
 444 }
 445
 446
 447 /**********************************************************************
 448  *              GetCapture16   (USER.236)
 449  */
 450 HWND16 WINAPI GetCapture16(void)
 451 {
 452     return (HWND16)GetCapture();
 453 }
 454
 455 /**********************************************************************
 456  *              GetCapture   (USER32.208)
 457  */
 458 HWND WINAPI GetCapture(void)
 459 {
 460     MESSAGEQUEUE *pCurMsgQ = 0;
 461     HWND hwndCapture = 0;
 462
 463     /* Get the messageQ for the current thread */
 464     if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
 465 {
 466         TRACE_(win)("GetCapture: Current message queue not found. Exiting!\n" );
 467         return 0;
 468     }
 469
 470     /* Get the current capture window from the perQ data of the current message Q */
 471     hwndCapture = PERQDATA_GetCaptureWnd( pCurMsgQ->pQData );
 472
 473     QUEUE_Unlock( pCurMsgQ );
 474     return hwndCapture;
 475 }
 476
 477 /**********************************************************************
 478  *           GetKeyState      (USER.106)
 479  */
 480 INT16 WINAPI GetKeyState16(INT16 vkey)
 481 {
 482     return GetKeyState(vkey);
 483 }
 484
 485 /**********************************************************************
 486  *           GetKeyState      (USER32.249)
 487  *
 488  * An application calls the GetKeyState function in response to a
 489  * keyboard-input message.  This function retrieves the state of the key
 490  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 390)
 491  */
 492 SHORT WINAPI GetKeyState(INT vkey)
 493 {
 494     INT retval;
 495
 496     switch (vkey)
 497         {
 498         case VK_LBUTTON : /* VK_LBUTTON is 1 */
 499             retval = MouseButtonsStates[0] ? 0x8000 : 0;
 500             break;
 501         case VK_MBUTTON : /* VK_MBUTTON is 4 */
 502             retval = MouseButtonsStates[1] ? 0x8000 : 0;
 503             break;
 504         case VK_RBUTTON : /* VK_RBUTTON is 2 */
 505             retval = MouseButtonsStates[2] ? 0x8000 : 0;
 506             break;
 507         default :
 508             if (vkey >= 'a' && vkey <= 'z')
 509                 vkey += 'A' - 'a';
 510             retval = ( (WORD)(QueueKeyStateTable[vkey] & 0x80) << 8 ) |
 511                        (WORD)(QueueKeyStateTable[vkey] & 0x01);
 512         }
 513     /* TRACE(key, "(0x%x) -> %x\n", vkey, retval); */
 514     return retval;
 515 }
 516
 517 /**********************************************************************
 518  *           GetKeyboardState      (USER.222)(USER32.254)
 519  *
 520  * An application calls the GetKeyboardState function in response to a
 521  * keyboard-input message.  This function retrieves the state of the keyboard
 522  * at the time the input message was generated.  (SDK 3.1 Vol 2. p 387)
 523  */
 524 BOOL WINAPI GetKeyboardState(LPBYTE lpKeyState)
 525 {
 526     TRACE_(key)("(%p)\n", lpKeyState);
 527     if (lpKeyState != NULL) {
 528         QueueKeyStateTable[VK_LBUTTON] = MouseButtonsStates[0] ? 0x80 : 0;
 529         QueueKeyStateTable[VK_MBUTTON] = MouseButtonsStates[1] ? 0x80 : 0;
 530         QueueKeyStateTable[VK_RBUTTON] = MouseButtonsStates[2] ? 0x80 : 0;
 531         memcpy(lpKeyState, QueueKeyStateTable, 256);
 532     }
 533
 534     return TRUE;
 535 }
 536
 537 /**********************************************************************
 538  *          SetKeyboardState      (USER.223)(USER32.484)
 539  */
 540 BOOL WINAPI SetKeyboardState(LPBYTE lpKeyState)
 541 {
 542     TRACE_(key)("(%p)\n", lpKeyState);
 543     if (lpKeyState != NULL) {
 544         memcpy(QueueKeyStateTable, lpKeyState, 256);
 545         MouseButtonsStates[0] = (QueueKeyStateTable[VK_LBUTTON] != 0);
 546         MouseButtonsStates[1] = (QueueKeyStateTable[VK_MBUTTON] != 0);
 547         MouseButtonsStates[2] = (QueueKeyStateTable[VK_RBUTTON] != 0);
 548     }
 549
 550     return TRUE;
 551 }
 552
 553 /**********************************************************************
 554  *           GetAsyncKeyState      (USER32.207)
 555  *
 556  *      Determine if a key is or was pressed.  retval has high-order
 557  * bit set to 1 if currently pressed, low-order bit set to 1 if key has
 558  * been pressed.
 559  *
 560  *      This uses the variable AsyncMouseButtonsStates and
 561  * AsyncKeyStateTable (set in event.c) which have the mouse button
 562  * number or key number (whichever is applicable) set to true if the
 563  * mouse or key had been depressed since the last call to
 564  * GetAsyncKeyState.
 565  */
 566 WORD WINAPI GetAsyncKeyState(INT nKey)
 567 {
 568     short retval;
 569
 570     switch (nKey) {
 571      case VK_LBUTTON:
 572         retval = (AsyncMouseButtonsStates[0] ? 0x0001 : 0) |
 573                  (MouseButtonsStates[0] ? 0x8000 : 0);
 574         break;
 575      case VK_MBUTTON:
 576         retval = (AsyncMouseButtonsStates[1] ? 0x0001 : 0) |
 577                  (MouseButtonsStates[1] ? 0x8000 : 0);
 578         break;
 579      case VK_RBUTTON:
 580         retval = (AsyncMouseButtonsStates[2] ? 0x0001 : 0) |
 581                  (MouseButtonsStates[2] ? 0x8000 : 0);
 582         break;
 583      default:
 584         retval = AsyncKeyStateTable[nKey] |
 585                 ((InputKeyStateTable[nKey] & 0x80) ? 0x8000 : 0);
 586         break;
 587     }
 588
 589     /* all states to false */
 590     memset( AsyncMouseButtonsStates, 0, sizeof(AsyncMouseButtonsStates) );
 591     memset( AsyncKeyStateTable, 0, sizeof(AsyncKeyStateTable) );
 592
 593     TRACE_(key)("(%x) -> %x\n", nKey, retval);
 594     return retval;
 595 }
 596
 597 /**********************************************************************
 598  *            GetAsyncKeyState16        (USER.249)
 599  */
 600 WORD WINAPI GetAsyncKeyState16(INT16 nKey)
 601 {
 602     return GetAsyncKeyState(nKey);
 603 }
 604
 605 /***********************************************************************
 606  *              IsUserIdle      (USER.333)
 607  */
 608 BOOL16 WINAPI IsUserIdle16(void)
 609 {
 610     if ( GetAsyncKeyState( VK_LBUTTON ) & 0x8000 )
 611         return FALSE;
 612
 613     if ( GetAsyncKeyState( VK_RBUTTON ) & 0x8000 )
 614         return FALSE;
 615
 616     if ( GetAsyncKeyState( VK_MBUTTON ) & 0x8000 )
 617         return FALSE;
 618
 619     /* Should check for screen saver activation here ... */
 620
 621     return TRUE;
 622 }
 623
 624 /**********************************************************************
 625  *           KBD_translate_accelerator
 626  *
 627  * FIXME: should send some WM_INITMENU or/and WM_INITMENUPOPUP  -messages
 628  */
 629 static BOOL KBD_translate_accelerator(HWND hWnd,LPMSG msg,
 630                                         BYTE fVirt,WORD key,WORD cmd)
 631 {
 632     BOOL        sendmsg = FALSE;
 633
 634     if(msg->wParam == key)
 635     {
 636         if (msg->message == WM_CHAR) {
 637         if ( !(fVirt & FALT) && !(fVirt & FVIRTKEY) )
 638         {
 639           TRACE_(accel)("found accel for WM_CHAR: ('%c')\n",
 640                         msg->wParam&0xff);
 641           sendmsg=TRUE;
 642         }
 643       } else {
 644        if(fVirt & FVIRTKEY) {
 645         INT mask = 0;
 646         TRACE_(accel)("found accel for virt_key %04x (scan %04x)\n",
 647                                msg->wParam,0xff & HIWORD(msg->lParam));
 648         if(GetKeyState(VK_SHIFT) & 0x8000) mask |= FSHIFT;
 649         if(GetKeyState(VK_CONTROL) & 0x8000) mask |= FCONTROL;
 650         if(GetKeyState(VK_MENU) & 0x8000) mask |= FALT;
 651         if(mask == (fVirt & (FSHIFT | FCONTROL | FALT)))
 652           sendmsg=TRUE;
 653         else
 654           TRACE_(accel)(", but incorrect SHIFT/CTRL/ALT-state\n");
 655        }
 656        else
 657        {
 658          if (!(msg->lParam & 0x01000000))  /* no special_key */
 659          {
 660            if ((fVirt & FALT) && (msg->lParam & 0x20000000))
 661            {                                                   /* ^^ ALT pressed */
 662             TRACE_(accel)("found accel for Alt-%c\n", msg->wParam&0xff);
 663             sendmsg=TRUE;
 664            }
 665          }
 666        }
 667       }
 668
 669       if (sendmsg)      /* found an accelerator, but send a message... ? */
 670       {
 671         INT16  iSysStat,iStat,mesg=0;
 672         HMENU16 hMenu;
 673
 674         if (msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
 675           mesg=1;
 676         else
 677          if (GetCapture())
 678            mesg=2;
 679          else
 680           if (!IsWindowEnabled(hWnd))
 681             mesg=3;
 682           else
 683           {
 684             WND* wndPtr = WIN_FindWndPtr(hWnd);
 685
 686             hMenu = (wndPtr->dwStyle & WS_CHILD) ? 0 : (HMENU)wndPtr->wIDmenu;
 687             iSysStat = (wndPtr->hSysMenu) ? GetMenuState(GetSubMenu16(wndPtr->hSysMenu, 0),
 688                                             cmd, MF_BYCOMMAND) : -1 ;
 689             iStat = (hMenu) ? GetMenuState(hMenu,
 690                                             cmd, MF_BYCOMMAND) : -1 ;
 691
 692             WIN_ReleaseWndPtr(wndPtr);
 693
 694             if (iSysStat!=-1)
 695             {
 696               if (iSysStat & (MF_DISABLED|MF_GRAYED))
 697                 mesg=4;
 698               else
 699                 mesg=WM_SYSCOMMAND;
 700             }
 701             else
 702             {
 703               if (iStat!=-1)
 704               {
 705                 if (IsIconic(hWnd))
 706                   mesg=5;
 707                 else
 708                 {
 709                  if (iStat & (MF_DISABLED|MF_GRAYED))
 710                    mesg=6;
 711                  else
 712                    mesg=WM_COMMAND;
 713                 }
 714               }
 715               else
 716                mesg=WM_COMMAND;
 717             }
 718           }
 719           if( mesg==WM_COMMAND ) {
 720               TRACE_(accel)(", sending WM_COMMAND, wParam=%0x\n", 0x10000 | cmd);
 721               SendMessageA(hWnd, mesg, 0x10000 | cmd, 0L);
 722           } else if( mesg==WM_SYSCOMMAND ) {
 723               TRACE_(accel)(", sending WM_SYSCOMMAND, wParam=%0x\n", cmd);
 724               SendMessageA(hWnd, mesg, cmd, 0x00010000L);
 725           }
 726           else
 727           {
 728            /*  some reasons for NOT sending the WM_{SYS}COMMAND message:
 729             *   #0: unknown (please report!)
 730             *   #1: for WM_KEYUP,WM_SYSKEYUP
 731             *   #2: mouse is captured
 732             *   #3: window is disabled
 733             *   #4: it's a disabled system menu option
 734             *   #5: it's a menu option, but window is iconic
 735             *   #6: it's a menu option, but disabled
 736             */
 737             TRACE_(accel)(", but won't send WM_{SYS}COMMAND, reason is #%d\n",mesg);
 738             if(mesg==0)
 739               ERR_(accel)(" unknown reason - please report!");
 740           }
 741           return TRUE;
 742       }
 743     }
 744     return FALSE;
 745 }
 746
 747 /**********************************************************************
 748  *      TranslateAccelerator      (USER32.551)(USER32.552)(USER32.553)
 749  */
 750 INT WINAPI TranslateAccelerator(HWND hWnd, HACCEL hAccel, LPMSG msg)
 751 {
 752     /* YES, Accel16! */
 753     LPACCEL16   lpAccelTbl;
 754     int         i;
 755
 756     if (msg == NULL)
 757        {
 758           WARN_(accel)("msg null; should hang here to be win compatible\n");
 759           return 0;
 760        }
 761     if (!hAccel || !(lpAccelTbl = (LPACCEL16) LockResource16(hAccel)))
 762        {
 763           WARN_(accel)("invalid accel handle=%x\n", hAccel);
 764           return 0;
 765        }
 766     if ((msg->message != WM_KEYDOWN &&
 767          msg->message != WM_KEYUP &&
 768          msg->message != WM_SYSKEYDOWN &&
 769          msg->message != WM_SYSKEYUP &&
 770          msg->message != WM_CHAR)) return 0;
 771
 772     TRACE_(accel)("TranslateAccelerators hAccel=%04x, hWnd=%04x,"
 773           "msg->hwnd=%04x, msg->message=%04x, wParam=%08x, lParam=%lx\n",
 774           hAccel,hWnd,msg->hwnd,msg->message,msg->wParam,msg->lParam);
 775
 776     i = 0;
 777     do
 778     {
 779         if (KBD_translate_accelerator(hWnd,msg,lpAccelTbl[i].fVirt,
 780                                       lpAccelTbl[i].key,lpAccelTbl[i].cmd))
 781                 return 1;
 782     } while ((lpAccelTbl[i++].fVirt & 0x80) == 0);
 783     WARN_(accel)("couldn't translate accelerator key\n");
 784     return 0;
 785 }
 786
 787 /**********************************************************************
 788  *           TranslateAccelerator16      (USER.178)
 789  */
 790 INT16 WINAPI TranslateAccelerator16(HWND16 hWnd, HACCEL16 hAccel, LPMSG16 msg)
 791 {
 792     LPACCEL16   lpAccelTbl;
 793     int         i;
 794     MSG msg32;
 795
 796     if (msg == NULL)
 797        {
 798           WARN_(accel)("msg null; should hang here to be win compatible\n");
 799           return 0;
 800        }
 801     if (!hAccel || !(lpAccelTbl = (LPACCEL16) LockResource16(hAccel)))
 802        {
 803           WARN_(accel)("invalid accel handle=%x\n", hAccel);
 804           return 0;
 805        }
 806     if ((msg->message != WM_KEYDOWN &&
 807          msg->message != WM_KEYUP &&
 808          msg->message != WM_SYSKEYDOWN &&
 809          msg->message != WM_SYSKEYUP &&
 810          msg->message != WM_CHAR)) return 0;
 811
 812     TRACE_(accel)("TranslateAccelerators hAccel=%04x, hWnd=%04x,\
 813 msg->hwnd=%04x, msg->message=%04x, wParam=%04x, lParam=%lx\n", hAccel,hWnd,msg->hwnd,msg->message,msg->wParam,msg->lParam);
 814
 815     STRUCT32_MSG16to32(msg,&msg32);
 816
 817     i = 0;
 818     do
 819     {
 820         if (KBD_translate_accelerator(hWnd,&msg32,lpAccelTbl[i].fVirt,
 821                                       lpAccelTbl[i].key,lpAccelTbl[i].cmd))
 822                 return 1;
 823     } while ((lpAccelTbl[i++].fVirt & 0x80) == 0);
 824     WARN_(accel)("couldn't translate accelerator key\n");
 825     return 0;
 826 }
 827
 828
 829 /**********************************************************************
 830  *           VkKeyScanA      (USER32.573)
 831  */
 832 WORD WINAPI VkKeyScanA(CHAR cChar)
 833 {
 834         return VkKeyScan16(cChar);
 835 }
 836
 837 /******************************************************************************
 838  *      VkKeyScanW      (USER32.576)
 839  */
 840 WORD WINAPI VkKeyScanW(WCHAR cChar)
 841 {
 842         return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 843 }
 844
 845 /**********************************************************************
 846  *           VkKeyScanExA      (USER32.574)
 847  */
 848 WORD WINAPI VkKeyScanExA(CHAR cChar, HKL dwhkl)
 849 {
 850                                 /* FIXME: complete workaround this is */
 851                                 return VkKeyScan16(cChar);
 852 }
 853
 854 /******************************************************************************
 855  *      VkKeyScanExW      (USER32.575)
 856  */
 857 WORD WINAPI VkKeyScanExW(WCHAR cChar, HKL dwhkl)
 858 {
 859                                 /* FIXME: complete workaround this is */
 860                                 return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 861 }
 862
 863 /******************************************************************************
 864  *      GetKeyboardType      (USER32.255)
 865  */
 866 INT WINAPI GetKeyboardType(INT nTypeFlag)
 867 {
 868   return GetKeyboardType16(nTypeFlag);
 869 }
 870
 871 /******************************************************************************
 872  *      MapVirtualKeyA      (USER32.383)
 873  */
 874 UINT WINAPI MapVirtualKeyA(UINT code, UINT maptype)
 875 {
 876     return MapVirtualKey16(code,maptype);
 877 }
 878
 879 /******************************************************************************
 880  *      MapVirtualKeyW      (USER32.385)
 881  */
 882 UINT WINAPI MapVirtualKeyW(UINT code, UINT maptype)
 883 {
 884     return MapVirtualKey16(code,maptype);
 885 }
 886
 887 /******************************************************************************
 888  *      MapVirtualKeyExA      (USER32.384)
 889  */
 890 UINT WINAPI MapVirtualKeyExA(UINT code, UINT maptype, HKL hkl)
 891 {
 892     if (hkl)
 893         FIXME_(keyboard)("(%d,%d,0x%08lx), hkl unhandled!\n",code,maptype,(DWORD)hkl);
 894     return MapVirtualKey16(code,maptype);
 895 }
 896
 897 /****************************************************************************
 898  *      GetKBCodePage   (USER32.246)
 899  */
 900 UINT WINAPI GetKBCodePage(void)
 901 {
 902     return GetKBCodePage16();
 903 }
 904
 905 /****************************************************************************
 906  *      GetKeyboardLayoutName16   (USER.477)
 907  */
 908 INT16 WINAPI GetKeyboardLayoutName16(LPSTR pwszKLID)
 909 {
 910         return GetKeyboardLayoutNameA(pwszKLID);
 911 }
 912
 913 /***********************************************************************
 914  *           GetKeyboardLayout                  (USER32.250)
 915  *
 916  * FIXME: - device handle for keyboard layout defaulted to
 917  *          the language id. This is the way Windows default works.
 918  *        - the thread identifier (dwLayout) is also ignored.
 919  */
 920 HKL WINAPI GetKeyboardLayout(DWORD dwLayout)
 921 {
 922         HKL layout;
 923         layout = GetSystemDefaultLCID(); /* FIXME */
 924         layout |= (layout<<16);          /* FIXME */
 925         TRACE_(keyboard)("returning %08x\n",layout);
 926         return layout;
 927 }
 928
 929 /****************************************************************************
 930  *      GetKeyboardLayoutNameA   (USER32.252)
 931  */
 932 INT WINAPI GetKeyboardLayoutNameA(LPSTR pwszKLID)
 933 {
 934         sprintf(pwszKLID, "%08x",GetKeyboardLayout(0));
 935         return 1;
 936 }
 937
 938 /****************************************************************************
 939  *      GetKeyboardLayoutNameW   (USER32.253)
 940  */
 941 INT WINAPI GetKeyboardLayoutNameW(LPWSTR pwszKLID)
 942 {
 943         char buf[9];
 944         int res = GetKeyboardLayoutNameA(buf);
 945         lstrcpyAtoW(pwszKLID,buf);
 946         return res;
 947 }
 948
 949 /****************************************************************************
 950  *      GetKeyNameTextA   (USER32.247)
 951  */
 952 INT WINAPI GetKeyNameTextA(LONG lParam, LPSTR lpBuffer, INT nSize)
 953 {
 954         return GetKeyNameText16(lParam,lpBuffer,nSize);
 955 }
 956
 957 /****************************************************************************
 958  *      GetKeyNameTextW   (USER32.248)
 959  */
 960 INT WINAPI GetKeyNameTextW(LONG lParam, LPWSTR lpBuffer, INT nSize)
 961 {
 962         int res;
 963         LPSTR buf = HeapAlloc( GetProcessHeap(), 0, nSize );
 964         if(buf == NULL) return 0; /* FIXME: is this the correct failure value?*/
 965         res = GetKeyNameTextA(lParam,buf,nSize);
 966
 967         lstrcpynAtoW(lpBuffer,buf,nSize);
 968         HeapFree( GetProcessHeap(), 0, buf );
 969         return res;
 970 }
 971
 972 /****************************************************************************
 973  *      ToAscii      (USER32.546)
 974  */
 975 INT WINAPI ToAscii( UINT virtKey,UINT scanCode,LPBYTE lpKeyState,
 976                         LPWORD lpChar,UINT flags )
 977 {
 978     return ToAscii16(virtKey,scanCode,lpKeyState,lpChar,flags);
 979 }
 980
 981 /****************************************************************************
 982  *      ToAsciiEx      (USER32.547)
 983  */
 984 INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 985                       LPWORD lpChar, UINT flags, HKL dwhkl )
 986 {
 987                 /* FIXME: need true implementation */
 988     return ToAscii16(virtKey,scanCode,lpKeyState,lpChar,flags);
 989 }
 990
 991 /**********************************************************************
 992  *           ActivateKeyboardLayout      (USER32.1)
 993  *
 994  * Call ignored. WINE supports only system default keyboard layout.
 995  */
 996 HKL WINAPI ActivateKeyboardLayout(HKL hLayout, UINT flags)
 997 {
 998     TRACE_(keyboard)("(%d, %d)\n", hLayout, flags);
 999     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
1000     return 0;
1001 }
1002
1003
1004 /***********************************************************************
1005  *           GetKeyboardLayoutList              (USER32.251)
1006  *
1007  * FIXME: Supports only the system default language and layout and
1008  *          returns only 1 value.
1009  *
1010  * Return number of values available if either input parm is
1011  *  0, per MS documentation.
1012  *
1013  */
1014 INT WINAPI GetKeyboardLayoutList(INT nBuff,HKL *layouts)
1015 {
1016         TRACE_(keyboard)("(%d,%p)\n",nBuff,layouts);
1017         if (!nBuff || !layouts)
1018             return 1;
1019         if (layouts)
1020                 layouts[0] = GetKeyboardLayout(0);
1021         return 1;
1022 }
1023
1024
1025 /***********************************************************************
1026  *           RegisterHotKey                     (USER32.433)
1027  */
1028 BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk) {
1029         FIXME_(keyboard)("(0x%08x,%d,0x%08x,%d): stub\n",hwnd,id,modifiers,vk);
1030         return TRUE;
1031 }
1032
1033 /***********************************************************************
1034  *           UnregisterHotKey                   (USER32.565)
1035  */
1036 BOOL WINAPI UnregisterHotKey(HWND hwnd,INT id) {
1037         FIXME_(keyboard)("(0x%08x,%d): stub\n",hwnd,id);
1038         return TRUE;
1039 }
1040
1041
1042 /***********************************************************************
1043  *           ToUnicode                       (USER32.548)
1044  */
1045 INT WINAPI ToUnicode(
1046   UINT wVirtKey,
1047   UINT wScanCode,
1048   PBYTE  lpKeyState,
1049   LPWSTR pwszBuff,
1050   INT    cchBuff,
1051   UINT wFlags) {
1052
1053        FIXME_(keyboard)(": stub\n");
1054        return 0;
1055 }
1056
1057 /***********************************************************************
1058  *           LoadKeyboardLayoutA                (USER32.367)
1059  * Call ignored. WINE supports only system default keyboard layout.
1060  */
1061 HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
1062 {
1063     TRACE_(keyboard)("(%s, %d)\n", pwszKLID, Flags);
1064     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
1065   return 0;
1066 }
1067
1068 /***********************************************************************
1069  *           LoadKeyboardLayoutW                (USER32.368)
1070  */
1071 HKL WINAPI LoadKeyboardLayoutW(LPCWSTR pwszKLID, UINT Flags)
1072 {
1073     char buf[9];
1074
1075     lstrcpynWtoA(buf,pwszKLID,8);
1076     buf[8] = 0;
1077     return LoadKeyboardLayoutA(buf, Flags);
1078 }