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  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdio.h>
  28 #include <ctype.h>
  29 #include <assert.h>
  30
  31 #define NONAMELESSUNION
  32 #define NONAMELESSSTRUCT
  33 #include "windef.h"
  34 #include "winnls.h"
  35 #include "winbase.h"
  36 #include "wingdi.h"
  37 #include "winuser.h"
  38 #include "wine/winbase16.h"
  39 #include "wine/winuser16.h"
  40 #include "wine/server.h"
  41 #include "win.h"
  42 #include "message.h"
  43 #include "winternl.h"
  44 #include "wine/debug.h"
  45 #include "winerror.h"
  46
  47 WINE_DECLARE_DEBUG_CHANNEL(key);
  48 WINE_DECLARE_DEBUG_CHANNEL(keyboard);
  49 WINE_DECLARE_DEBUG_CHANNEL(win);
  50 WINE_DEFAULT_DEBUG_CHANNEL(event);
  51
  52 static BOOL InputEnabled = TRUE;
  53 static BOOL SwappedButtons;
  54
  55 BYTE InputKeyStateTable[256];
  56 BYTE AsyncKeyStateTable[256];
  57
  58 /* Storage for the USER-maintained mouse positions */
  59 static DWORD PosX, PosY;
  60
  61 typedef union
  62 {
  63     struct
  64     {
  65         unsigned long count : 16;
  66         unsigned long code : 8;
  67         unsigned long extended : 1;
  68         unsigned long unused : 2;
  69         unsigned long win_internal : 2;
  70         unsigned long context : 1;
  71         unsigned long previous : 1;
  72         unsigned long transition : 1;
  73     } lp1;
  74     unsigned long lp2;
  75 } KEYLP;
  76
  77
  78 /***********************************************************************
  79  *           get_key_state
  80  */
  81 static WORD get_key_state(void)
  82 {
  83     WORD ret = 0;
  84
  85     if (SwappedButtons)
  86     {
  87         if (InputKeyStateTable[VK_RBUTTON] & 0x80) ret |= MK_LBUTTON;
  88         if (InputKeyStateTable[VK_LBUTTON] & 0x80) ret |= MK_RBUTTON;
  89     }
  90     else
  91     {
  92         if (InputKeyStateTable[VK_LBUTTON] & 0x80) ret |= MK_LBUTTON;
  93         if (InputKeyStateTable[VK_RBUTTON] & 0x80) ret |= MK_RBUTTON;
  94     }
  95     if (InputKeyStateTable[VK_MBUTTON] & 0x80)  ret |= MK_MBUTTON;
  96     if (InputKeyStateTable[VK_SHIFT] & 0x80)    ret |= MK_SHIFT;
  97     if (InputKeyStateTable[VK_CONTROL] & 0x80)  ret |= MK_CONTROL;
  98     if (InputKeyStateTable[VK_XBUTTON1] & 0x80) ret |= MK_XBUTTON1;
  99     if (InputKeyStateTable[VK_XBUTTON2] & 0x80) ret |= MK_XBUTTON2;
 100     return ret;
 101 }
 102
 103
 104 /***********************************************************************
 105  *           queue_hardware_message
 106  *
 107  * Add a message to the hardware queue.
 108  * Note: the position is relative to the desktop window.
 109  */
 110 static void queue_hardware_message( UINT message, HWND hwnd, WPARAM wParam, LPARAM lParam,
 111                                     int xPos, int yPos, DWORD time, ULONG_PTR extraInfo )
 112 {
 113     SERVER_START_REQ( send_message )
 114     {
 115         req->id     = GetCurrentThreadId();
 116         req->type   = MSG_HARDWARE;
 117         req->win    = hwnd;
 118         req->msg    = message;
 119         req->wparam = wParam;
 120         req->lparam = lParam;
 121         req->x      = xPos;
 122         req->y      = yPos;
 123         req->time   = time;
 124         req->info   = extraInfo;
 125         req->timeout = 0;
 126         wine_server_call( req );
 127     }
 128     SERVER_END_REQ;
 129 }
 130
 131
 132 /***********************************************************************
 133  *           queue_kbd_event
 134  *
 135  * Put a keyboard event into a thread queue
 136  */
 137 static void queue_kbd_event( const KEYBDINPUT *ki, UINT injected_flags )
 138 {
 139     UINT message;
 140     KEYLP keylp;
 141     KBDLLHOOKSTRUCT hook;
 142
 143     keylp.lp2 = 0;
 144     keylp.lp1.count = 1;
 145     keylp.lp1.code = ki->wScan;
 146     keylp.lp1.extended = (ki->dwFlags & KEYEVENTF_EXTENDEDKEY) != 0;
 147     keylp.lp1.win_internal = 0; /* this has something to do with dialogs,
 148                                 * don't remember where I read it - AK */
 149                                 /* it's '1' under windows, when a dialog box appears
 150                                  * and you press one of the underlined keys - DF*/
 151
 152     if (ki->dwFlags & KEYEVENTF_KEYUP )
 153     {
 154         BOOL sysKey = (InputKeyStateTable[VK_MENU] & 0x80) &&
 155                       !(InputKeyStateTable[VK_CONTROL] & 0x80);
 156         InputKeyStateTable[ki->wVk] &= ~0x80;
 157         keylp.lp1.previous = 1;
 158         keylp.lp1.transition = 1;
 159         message = sysKey ? WM_SYSKEYUP : WM_KEYUP;
 160     }
 161     else
 162     {
 163         keylp.lp1.previous = (InputKeyStateTable[ki->wVk] & 0x80) != 0;
 164         keylp.lp1.transition = 0;
 165         if (!(InputKeyStateTable[ki->wVk] & 0x80)) InputKeyStateTable[ki->wVk] ^= 0x01;
 166         InputKeyStateTable[ki->wVk] |= 0x80;
 167         AsyncKeyStateTable[ki->wVk] |= 0x80;
 168
 169         message = (InputKeyStateTable[VK_MENU] & 0x80) && !(InputKeyStateTable[VK_CONTROL] & 0x80)
 170               ? WM_SYSKEYDOWN : WM_KEYDOWN;
 171     }
 172
 173     if (message == WM_SYSKEYDOWN || message == WM_SYSKEYUP )
 174         keylp.lp1.context = (InputKeyStateTable[VK_MENU] & 0x80) != 0; /* 1 if alt */
 175
 176     TRACE_(key)(" wParam=%04x, lParam=%08lx, InputKeyState=%x\n",
 177                 ki->wVk, keylp.lp2, InputKeyStateTable[ki->wVk] );
 178
 179     hook.vkCode      = ki->wVk;
 180     hook.scanCode    = ki->wScan;
 181     hook.flags       = (keylp.lp2 >> 24) | injected_flags;
 182     hook.time        = ki->time;
 183     hook.dwExtraInfo = ki->dwExtraInfo;
 184     if (!HOOK_CallHooks( WH_KEYBOARD_LL, HC_ACTION, message, (LPARAM)&hook, TRUE ))
 185         queue_hardware_message( message, 0, ki->wVk, keylp.lp2,
 186                                 PosX, PosY, ki->time, ki->dwExtraInfo );
 187 }
 188
 189
 190 /***********************************************************************
 191  *           queue_raw_mouse_message
 192  */
 193 static void queue_raw_mouse_message( UINT message, UINT flags, INT x, INT y, const MOUSEINPUT *mi )
 194 {
 195     MSLLHOOKSTRUCT hook;
 196
 197     hook.pt.x        = x;
 198     hook.pt.y        = y;
 199     hook.mouseData   = MAKELONG( 0, mi->mouseData );
 200     hook.flags       = flags;
 201     hook.time        = mi->time;
 202     hook.dwExtraInfo = mi->dwExtraInfo;
 203
 204     if (!HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, message, (LPARAM)&hook, TRUE ))
 205         queue_hardware_message( message, (HWND)mi->dwExtraInfo /*FIXME*/,
 206                                 MAKEWPARAM( get_key_state(), mi->mouseData ),
 207                                 0, x, y, mi->time, mi->dwExtraInfo );
 208 }
 209
 210
 211 /***********************************************************************
 212  *              queue_mouse_event
 213  */
 214 static void queue_mouse_event( const MOUSEINPUT *mi, UINT flags )
 215 {
 216     if (mi->dwFlags & MOUSEEVENTF_ABSOLUTE)
 217     {
 218         PosX = (mi->dx * GetSystemMetrics(SM_CXSCREEN)) >> 16;
 219         PosY = (mi->dy * GetSystemMetrics(SM_CYSCREEN)) >> 16;
 220     }
 221     else if (mi->dwFlags & MOUSEEVENTF_MOVE)
 222     {
 223         int width  = GetSystemMetrics(SM_CXSCREEN);
 224         int height = GetSystemMetrics(SM_CYSCREEN);
 225         long posX = (long) PosX, posY = (long) PosY;
 226         int accel[3];
 227         int accelMult;
 228
 229         /* dx and dy can be negative numbers for relative movements */
 230         SystemParametersInfoA(SPI_GETMOUSE, 0, accel, 0);
 231
 232         accelMult = 1;
 233         if (mi->dx > accel[0] && accel[2] != 0)
 234         {
 235             accelMult = 2;
 236             if ((mi->dx > accel[1]) && (accel[2] == 2))
 237             {
 238                 accelMult = 4;
 239             }
 240         }
 241         posX += (long)mi->dx * accelMult;
 242
 243         accelMult = 1;
 244         if (mi->dy > accel[0] && accel[2] != 0)
 245         {
 246             accelMult = 2;
 247             if ((mi->dy > accel[1]) && (accel[2] == 2))
 248             {
 249                 accelMult = 4;
 250             }
 251         }
 252         posY += (long)mi->dy * accelMult;
 253
 254         /* Clip to the current screen size */
 255         if (posX < 0) PosX = 0;
 256         else if (posX >= width) PosX = width - 1;
 257         else PosX = posX;
 258
 259         if (posY < 0) PosY = 0;
 260         else if (posY >= height) PosY = height - 1;
 261         else PosY = posY;
 262     }
 263
 264     if (mi->dwFlags & MOUSEEVENTF_MOVE)
 265     {
 266         queue_raw_mouse_message( WM_MOUSEMOVE, flags, PosX, PosY, mi );
 267     }
 268     if (mi->dwFlags & MOUSEEVENTF_LEFTDOWN)
 269     {
 270         InputKeyStateTable[VK_LBUTTON] |= 0x80;
 271         AsyncKeyStateTable[VK_LBUTTON] |= 0x80;
 272         queue_raw_mouse_message( SwappedButtons ? WM_RBUTTONDOWN : WM_LBUTTONDOWN,
 273                                  flags, PosX, PosY, mi );
 274     }
 275     if (mi->dwFlags & MOUSEEVENTF_LEFTUP)
 276     {
 277         InputKeyStateTable[VK_LBUTTON] &= ~0x80;
 278         queue_raw_mouse_message( SwappedButtons ? WM_RBUTTONUP : WM_LBUTTONUP,
 279                                  flags, PosX, PosY, mi );
 280     }
 281     if (mi->dwFlags & MOUSEEVENTF_RIGHTDOWN)
 282     {
 283         InputKeyStateTable[VK_RBUTTON] |= 0x80;
 284         AsyncKeyStateTable[VK_RBUTTON] |= 0x80;
 285         queue_raw_mouse_message( SwappedButtons ? WM_LBUTTONDOWN : WM_RBUTTONDOWN,
 286                                  flags, PosX, PosY, mi );
 287     }
 288     if (mi->dwFlags & MOUSEEVENTF_RIGHTUP)
 289     {
 290         InputKeyStateTable[VK_RBUTTON] &= ~0x80;
 291         queue_raw_mouse_message( SwappedButtons ? WM_LBUTTONUP : WM_RBUTTONUP,
 292                                  flags, PosX, PosY, mi );
 293     }
 294     if (mi->dwFlags & MOUSEEVENTF_MIDDLEDOWN)
 295     {
 296         InputKeyStateTable[VK_MBUTTON] |= 0x80;
 297         AsyncKeyStateTable[VK_MBUTTON] |= 0x80;
 298         queue_raw_mouse_message( WM_MBUTTONDOWN, flags, PosX, PosY, mi );
 299     }
 300     if (mi->dwFlags & MOUSEEVENTF_MIDDLEUP)
 301     {
 302         InputKeyStateTable[VK_MBUTTON] &= ~0x80;
 303         queue_raw_mouse_message( WM_MBUTTONUP, flags, PosX, PosY, mi );
 304     }
 305     if (mi->dwFlags & MOUSEEVENTF_WHEEL)
 306     {
 307         queue_raw_mouse_message( WM_MOUSEWHEEL, flags, PosX, PosY, mi );
 308     }
 309     if (flags & LLMHF_INJECTED)  /* we have to actually move the cursor */
 310         SetCursorPos( PosX, PosY );
 311 }
 312
 313
 314 /***********************************************************************
 315  *              SendInput  (USER32.@)
 316  */
 317 UINT WINAPI SendInput( UINT count, LPINPUT inputs, int size )
 318 {
 319     UINT i;
 320
 321     if (!InputEnabled) return 0;
 322
 323     for (i = 0; i < count; i++, inputs++)
 324     {
 325         switch(inputs->type)
 326         {
 327         case INPUT_MOUSE:
 328             queue_mouse_event( &inputs->u.mi, LLMHF_INJECTED );
 329             break;
 330         case WINE_INTERNAL_INPUT_MOUSE:
 331             queue_mouse_event( &inputs->u.mi, 0 );
 332             break;
 333         case INPUT_KEYBOARD:
 334             queue_kbd_event( &inputs->u.ki, LLKHF_INJECTED );
 335             break;
 336         case WINE_INTERNAL_INPUT_KEYBOARD:
 337             queue_kbd_event( &inputs->u.ki, 0 );
 338             break;
 339         case INPUT_HARDWARE:
 340             FIXME( "INPUT_HARDWARE not supported\n" );
 341             break;
 342         }
 343     }
 344     return count;
 345 }
 346
 347
 348 /***********************************************************************
 349  *              keybd_event (USER32.@)
 350  */
 351 void WINAPI keybd_event( BYTE bVk, BYTE bScan,
 352                          DWORD dwFlags, ULONG_PTR dwExtraInfo )
 353 {
 354     INPUT input;
 355
 356     input.type = INPUT_KEYBOARD;
 357     input.u.ki.wVk = bVk;
 358     input.u.ki.wScan = bScan;
 359     input.u.ki.dwFlags = dwFlags;
 360     input.u.ki.time = GetTickCount();
 361     input.u.ki.dwExtraInfo = dwExtraInfo;
 362     SendInput( 1, &input, sizeof(input) );
 363 }
 364
 365
 366 /***********************************************************************
 367  *              keybd_event (USER.289)
 368  */
 369 void WINAPI keybd_event16( CONTEXT86 *context )
 370 {
 371     DWORD dwFlags = 0;
 372
 373     if (HIBYTE(context->Eax) & 0x80) dwFlags |= KEYEVENTF_KEYUP;
 374     if (HIBYTE(context->Ebx) & 0x01) dwFlags |= KEYEVENTF_EXTENDEDKEY;
 375
 376     keybd_event( LOBYTE(context->Eax), LOBYTE(context->Ebx),
 377                  dwFlags, MAKELONG(LOWORD(context->Esi), LOWORD(context->Edi)) );
 378 }
 379
 380
 381 /***********************************************************************
 382  *              mouse_event (USER32.@)
 383  */
 384 void WINAPI mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
 385                          DWORD dwData, ULONG_PTR dwExtraInfo )
 386 {
 387     INPUT input;
 388
 389     input.type = INPUT_MOUSE;
 390     input.u.mi.dx = dx;
 391     input.u.mi.dy = dy;
 392     input.u.mi.mouseData = dwData;
 393     input.u.mi.dwFlags = dwFlags;
 394     input.u.mi.time = GetCurrentTime();
 395     input.u.mi.dwExtraInfo = dwExtraInfo;
 396     SendInput( 1, &input, sizeof(input) );
 397 }
 398
 399
 400 /***********************************************************************
 401  *              mouse_event (USER.299)
 402  */
 403 void WINAPI mouse_event16( CONTEXT86 *context )
 404 {
 405     mouse_event( LOWORD(context->Eax), LOWORD(context->Ebx), LOWORD(context->Ecx),
 406                  LOWORD(context->Edx), MAKELONG(context->Esi, context->Edi) );
 407 }
 408
 409 /***********************************************************************
 410  *              GetMouseEventProc (USER.337)
 411  */
 412 FARPROC16 WINAPI GetMouseEventProc16(void)
 413 {
 414     HMODULE16 hmodule = GetModuleHandle16("USER");
 415     return GetProcAddress16( hmodule, "mouse_event" );
 416 }
 417
 418
 419 /**********************************************************************
 420  *              EnableHardwareInput (USER.331)
 421  */
 422 BOOL16 WINAPI EnableHardwareInput16(BOOL16 bEnable)
 423 {
 424   BOOL16 bOldState = InputEnabled;
 425   FIXME_(event)("(%d) - stub\n", bEnable);
 426   InputEnabled = bEnable;
 427   return bOldState;
 428 }
 429
 430
 431 /***********************************************************************
 432  *              SwapMouseButton (USER.186)
 433  */
 434 BOOL16 WINAPI SwapMouseButton16( BOOL16 fSwap )
 435 {
 436     BOOL16 ret = SwappedButtons;
 437     SwappedButtons = fSwap;
 438     return ret;
 439 }
 440
 441
 442 /***********************************************************************
 443  *              SwapMouseButton (USER32.@)
 444  */
 445 BOOL WINAPI SwapMouseButton( BOOL fSwap )
 446 {
 447     BOOL ret = SwappedButtons;
 448     SwappedButtons = fSwap;
 449     return ret;
 450 }
 451
 452
 453 /***********************************************************************
 454  *              GetCursorPos (USER.17)
 455  */
 456 BOOL16 WINAPI GetCursorPos16( POINT16 *pt )
 457 {
 458     POINT pos;
 459     if (!pt) return 0;
 460     GetCursorPos(&pos);
 461     pt->x = pos.x;
 462     pt->y = pos.y;
 463     return 1;
 464 }
 465
 466
 467 /***********************************************************************
 468  *              GetCursorPos (USER32.@)
 469  */
 470 BOOL WINAPI GetCursorPos( POINT *pt )
 471 {
 472     if (!pt) return 0;
 473     pt->x = PosX;
 474     pt->y = PosY;
 475     if (USER_Driver.pGetCursorPos) USER_Driver.pGetCursorPos( pt );
 476     return 1;
 477 }
 478
 479
 480 /***********************************************************************
 481  *              GetCursorInfo (USER32.@)
 482  */
 483 BOOL WINAPI GetCursorInfo( PCURSORINFO pci )
 484 {
 485     MESSAGEQUEUE *queue = QUEUE_Current();
 486
 487     if (!pci) return 0;
 488     if (queue->cursor_count >= 0) pci->flags = CURSOR_SHOWING;
 489     else pci->flags = 0;
 490     GetCursorPos(&pci->ptScreenPos);
 491     return 1;
 492 }
 493
 494
 495 /***********************************************************************
 496  *              SetCursorPos (USER.70)
 497  */
 498 void WINAPI SetCursorPos16( INT16 x, INT16 y )
 499 {
 500     SetCursorPos( x, y );
 501 }
 502
 503
 504 /***********************************************************************
 505  *              SetCursorPos (USER32.@)
 506  */
 507 BOOL WINAPI SetCursorPos( INT x, INT y )
 508 {
 509     if (USER_Driver.pSetCursorPos) USER_Driver.pSetCursorPos( x, y );
 510     PosX = x;
 511     PosY = y;
 512     return TRUE;
 513 }
 514
 515
 516 /**********************************************************************
 517  *              SetCapture (USER32.@)
 518  */
 519 HWND WINAPI SetCapture( HWND hwnd )
 520 {
 521     HWND previous = 0;
 522
 523     SERVER_START_REQ( set_capture_window )
 524     {
 525         req->handle = hwnd;
 526         req->flags  = 0;
 527         if (!wine_server_call_err( req ))
 528         {
 529             previous = reply->previous;
 530             hwnd = reply->full_handle;
 531         }
 532     }
 533     SERVER_END_REQ;
 534
 535     if (previous && previous != hwnd)
 536         SendMessageW( previous, WM_CAPTURECHANGED, 0, (LPARAM)hwnd );
 537     return previous;
 538 }
 539
 540
 541 /**********************************************************************
 542  *              ReleaseCapture (USER32.@)
 543  */
 544 BOOL WINAPI ReleaseCapture(void)
 545 {
 546     return (SetCapture(0) != 0);
 547 }
 548
 549
 550 /**********************************************************************
 551  *              GetCapture (USER32.@)
 552  */
 553 HWND WINAPI GetCapture(void)
 554 {
 555     HWND ret = 0;
 556
 557     SERVER_START_REQ( get_thread_input )
 558     {
 559         req->tid = GetCurrentThreadId();
 560         if (!wine_server_call_err( req )) ret = reply->capture;
 561     }
 562     SERVER_END_REQ;
 563     return ret;
 564 }
 565
 566
 567 /**********************************************************************
 568  *              GetAsyncKeyState (USER32.@)
 569  *
 570  *      Determine if a key is or was pressed.  retval has high-order
 571  * bit set to 1 if currently pressed, low-order bit set to 1 if key has
 572  * been pressed.
 573  *
 574  *      This uses the variable AsyncMouseButtonsStates and
 575  * AsyncKeyStateTable (set in event.c) which have the mouse button
 576  * number or key number (whichever is applicable) set to true if the
 577  * mouse or key had been depressed since the last call to
 578  * GetAsyncKeyState.
 579  */
 580 SHORT WINAPI GetAsyncKeyState(INT nKey)
 581 {
 582     SHORT retval = ((AsyncKeyStateTable[nKey] & 0x80) ? 0x0001 : 0) |
 583                    ((InputKeyStateTable[nKey] & 0x80) ? 0x8000 : 0);
 584     AsyncKeyStateTable[nKey] = 0;
 585     TRACE_(key)("(%x) -> %x\n", nKey, retval);
 586     return retval;
 587 }
 588
 589 /**********************************************************************
 590  *              GetAsyncKeyState (USER.249)
 591  */
 592 INT16 WINAPI GetAsyncKeyState16(INT16 nKey)
 593 {
 594     return GetAsyncKeyState(nKey);
 595 }
 596
 597 /***********************************************************************
 598  *              IsUserIdle (USER.333)
 599  */
 600 BOOL16 WINAPI IsUserIdle16(void)
 601 {
 602     if ( GetAsyncKeyState( VK_LBUTTON ) & 0x8000 )
 603         return FALSE;
 604
 605     if ( GetAsyncKeyState( VK_RBUTTON ) & 0x8000 )
 606         return FALSE;
 607
 608     if ( GetAsyncKeyState( VK_MBUTTON ) & 0x8000 )
 609         return FALSE;
 610
 611     /* Should check for screen saver activation here ... */
 612
 613     return TRUE;
 614 }
 615
 616 /**********************************************************************
 617  *              VkKeyScanA (USER32.@)
 618  *
 619  * VkKeyScan translates an ANSI character to a virtual-key and shift code
 620  * for the current keyboard.
 621  * high-order byte yields :
 622  *      0       Unshifted
 623  *      1       Shift
 624  *      2       Ctrl
 625  *      3-5     Shift-key combinations that are not used for characters
 626  *      6       Ctrl-Alt
 627  *      7       Ctrl-Alt-Shift
 628  *      I.e. :  Shift = 1, Ctrl = 2, Alt = 4.
 629  * FIXME : works ok except for dead chars :
 630  * VkKeyScan '^'(0x5e, 94) ... got keycode 00 ... returning 00
 631  * VkKeyScan '`'(0x60, 96) ... got keycode 00 ... returning 00
 632  */
 633 WORD WINAPI VkKeyScanA(CHAR cChar)
 634 {
 635     return USER_Driver.pVkKeyScan( cChar );
 636 }
 637
 638 /******************************************************************************
 639  *              VkKeyScanW (USER32.@)
 640  */
 641 WORD WINAPI VkKeyScanW(WCHAR cChar)
 642 {
 643         return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 644 }
 645
 646 /**********************************************************************
 647  *              VkKeyScanExA (USER32.@)
 648  */
 649 WORD WINAPI VkKeyScanExA(CHAR cChar, HKL dwhkl)
 650 {
 651     /* FIXME: complete workaround this is */
 652     return VkKeyScanA(cChar);
 653 }
 654
 655 /******************************************************************************
 656  *              VkKeyScanExW (USER32.@)
 657  */
 658 WORD WINAPI VkKeyScanExW(WCHAR cChar, HKL dwhkl)
 659 {
 660     /* FIXME: complete workaround this is */
 661     return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 662 }
 663
 664 /******************************************************************************
 665  *              GetKeyboardType (USER32.@)
 666  */
 667 INT WINAPI GetKeyboardType(INT nTypeFlag)
 668 {
 669     TRACE_(keyboard)("(%d)\n", nTypeFlag);
 670     switch(nTypeFlag)
 671     {
 672     case 0:      /* Keyboard type */
 673         return 4;    /* AT-101 */
 674     case 1:      /* Keyboard Subtype */
 675         return 0;    /* There are no defined subtypes */
 676     case 2:      /* Number of F-keys */
 677         return 12;   /* We're doing an 101 for now, so return 12 F-keys */
 678     default:
 679         WARN_(keyboard)("Unknown type\n");
 680         return 0;    /* The book says 0 here, so 0 */
 681     }
 682 }
 683
 684 /******************************************************************************
 685  *              MapVirtualKeyA (USER32.@)
 686  */
 687 UINT WINAPI MapVirtualKeyA(UINT code, UINT maptype)
 688 {
 689     return USER_Driver.pMapVirtualKey( code, maptype );
 690 }
 691
 692 /******************************************************************************
 693  *              MapVirtualKeyW (USER32.@)
 694  */
 695 UINT WINAPI MapVirtualKeyW(UINT code, UINT maptype)
 696 {
 697     return MapVirtualKeyA(code,maptype);
 698 }
 699
 700 /******************************************************************************
 701  *              MapVirtualKeyExA (USER32.@)
 702  */
 703 UINT WINAPI MapVirtualKeyExA(UINT code, UINT maptype, HKL hkl)
 704 {
 705     if (hkl)
 706         FIXME_(keyboard)("(%d,%d,0x%08lx), hkl unhandled!\n",code,maptype,(DWORD)hkl);
 707     return MapVirtualKeyA(code,maptype);
 708 }
 709
 710 /******************************************************************************
 711  *              MapVirtualKeyExW (USER32.@)
 712  */
 713 UINT WINAPI MapVirtualKeyExW(UINT code, UINT maptype, HKL hkl)
 714 {
 715     if (hkl)
 716         FIXME_(keyboard)("(%d,%d,0x%08lx), hkl unhandled!\n",code,maptype,(DWORD)hkl);
 717     return MapVirtualKeyA(code,maptype);
 718 }
 719
 720 /****************************************************************************
 721  *              GetKBCodePage (USER32.@)
 722  */
 723 UINT WINAPI GetKBCodePage(void)
 724 {
 725     return GetOEMCP();
 726 }
 727
 728 /****************************************************************************
 729  *              GetKeyboardLayoutName (USER.477)
 730  */
 731 INT16 WINAPI GetKeyboardLayoutName16(LPSTR pwszKLID)
 732 {
 733         return GetKeyboardLayoutNameA(pwszKLID);
 734 }
 735
 736 /***********************************************************************
 737  *              GetKeyboardLayout (USER32.@)
 738  *
 739  * FIXME: - device handle for keyboard layout defaulted to
 740  *          the language id. This is the way Windows default works.
 741  *        - the thread identifier (dwLayout) is also ignored.
 742  */
 743 HKL WINAPI GetKeyboardLayout(DWORD dwLayout)
 744 {
 745         UINT layout;
 746         layout = GetSystemDefaultLCID(); /* FIXME */
 747         layout |= (layout<<16);          /* FIXME */
 748         TRACE_(keyboard)("returning %08x\n",layout);
 749         return (HKL)layout;
 750 }
 751
 752 /****************************************************************************
 753  *              GetKeyboardLayoutNameA (USER32.@)
 754  */
 755 INT WINAPI GetKeyboardLayoutNameA(LPSTR pwszKLID)
 756 {
 757         sprintf(pwszKLID, "%p",GetKeyboardLayout(0));
 758         return 1;
 759 }
 760
 761 /****************************************************************************
 762  *              GetKeyboardLayoutNameW (USER32.@)
 763  */
 764 INT WINAPI GetKeyboardLayoutNameW(LPWSTR pwszKLID)
 765 {
 766         char buf[KL_NAMELENGTH];
 767         int res = GetKeyboardLayoutNameA(buf);
 768         MultiByteToWideChar( CP_ACP, 0, buf, -1, pwszKLID, KL_NAMELENGTH );
 769         return res;
 770 }
 771
 772 /****************************************************************************
 773  *              GetKeyNameTextA (USER32.@)
 774  */
 775 INT WINAPI GetKeyNameTextA(LONG lParam, LPSTR lpBuffer, INT nSize)
 776 {
 777     return USER_Driver.pGetKeyNameText( lParam, lpBuffer, nSize );
 778 }
 779
 780 /****************************************************************************
 781  *              GetKeyNameTextW (USER32.@)
 782  */
 783 INT WINAPI GetKeyNameTextW(LONG lParam, LPWSTR lpBuffer, INT nSize)
 784 {
 785         int res;
 786         LPSTR buf = HeapAlloc( GetProcessHeap(), 0, nSize );
 787         if(buf == NULL) return 0; /* FIXME: is this the correct failure value?*/
 788         res = GetKeyNameTextA(lParam,buf,nSize);
 789
 790         if (nSize > 0 && !MultiByteToWideChar( CP_ACP, 0, buf, -1, lpBuffer, nSize ))
 791             lpBuffer[nSize-1] = 0;
 792         HeapFree( GetProcessHeap(), 0, buf );
 793         return res;
 794 }
 795
 796 /****************************************************************************
 797  *              ToUnicode (USER32.@)
 798  */
 799 INT WINAPI ToUnicode(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 800                      LPWSTR lpwStr, int size, UINT flags)
 801 {
 802     return USER_Driver.pToUnicode(virtKey, scanCode, lpKeyState, lpwStr, size, flags);
 803 }
 804
 805 /****************************************************************************
 806  *              ToUnicodeEx (USER32.@)
 807  */
 808 INT WINAPI ToUnicodeEx(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 809                        LPWSTR lpwStr, int size, UINT flags, HKL hkl)
 810 {
 811     /* FIXME: need true implementation */
 812     return ToUnicode(virtKey, scanCode, lpKeyState, lpwStr, size, flags);
 813 }
 814
 815 /****************************************************************************
 816  *              ToAscii (USER32.@)
 817  */
 818 INT WINAPI ToAscii( UINT virtKey,UINT scanCode,LPBYTE lpKeyState,
 819                         LPWORD lpChar,UINT flags )
 820 {
 821     WCHAR uni_chars[2];
 822     INT ret, n_ret;
 823
 824     ret = ToUnicode(virtKey, scanCode, lpKeyState, uni_chars, 2, flags);
 825     if(ret < 0) n_ret = 1; /* FIXME: make ToUnicode return 2 for dead chars */
 826     else n_ret = ret;
 827     WideCharToMultiByte(CP_ACP, 0, uni_chars, n_ret, (LPSTR)lpChar, 2, NULL, NULL);
 828     return ret;
 829 }
 830
 831 /****************************************************************************
 832  *              ToAsciiEx (USER32.@)
 833  */
 834 INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 835                       LPWORD lpChar, UINT flags, HKL dwhkl )
 836 {
 837     /* FIXME: need true implementation */
 838     return ToAscii(virtKey, scanCode, lpKeyState, lpChar, flags);
 839 }
 840
 841 /**********************************************************************
 842  *              ActivateKeyboardLayout (USER32.@)
 843  *
 844  * Call ignored. WINE supports only system default keyboard layout.
 845  */
 846 HKL WINAPI ActivateKeyboardLayout(HKL hLayout, UINT flags)
 847 {
 848     TRACE_(keyboard)("(%p, %d)\n", hLayout, flags);
 849     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
 850     return 0;
 851 }
 852
 853
 854 /***********************************************************************
 855  *              GetKeyboardLayoutList (USER32.@)
 856  *
 857  * FIXME: Supports only the system default language and layout and
 858  *          returns only 1 value.
 859  *
 860  * Return number of values available if either input parm is
 861  *  0, per MS documentation.
 862  *
 863  */
 864 INT WINAPI GetKeyboardLayoutList(INT nBuff,HKL *layouts)
 865 {
 866         TRACE_(keyboard)("(%d,%p)\n",nBuff,layouts);
 867         if (!nBuff || !layouts)
 868             return 1;
 869         if (layouts)
 870                 layouts[0] = GetKeyboardLayout(0);
 871         return 1;
 872 }
 873
 874
 875 /***********************************************************************
 876  *              RegisterHotKey (USER32.@)
 877  */
 878 BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk) {
 879         FIXME_(keyboard)("(%p,%d,0x%08x,%d): stub\n",hwnd,id,modifiers,vk);
 880         return TRUE;
 881 }
 882
 883 /***********************************************************************
 884  *              UnregisterHotKey (USER32.@)
 885  */
 886 BOOL WINAPI UnregisterHotKey(HWND hwnd,INT id) {
 887         FIXME_(keyboard)("(%p,%d): stub\n",hwnd,id);
 888         return TRUE;
 889 }
 890
 891 /***********************************************************************
 892  *              LoadKeyboardLayoutW (USER32.@)
 893  * Call ignored. WINE supports only system default keyboard layout.
 894  */
 895 HKL WINAPI LoadKeyboardLayoutW(LPCWSTR pwszKLID, UINT Flags)
 896 {
 897     TRACE_(keyboard)("(%s, %d)\n", debugstr_w(pwszKLID), Flags);
 898     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
 899   return 0;
 900 }
 901
 902 /***********************************************************************
 903  *              LoadKeyboardLayoutA (USER32.@)
 904  */
 905 HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
 906 {
 907     HKL ret;
 908     UNICODE_STRING pwszKLIDW;
 909
 910     if (pwszKLID) RtlCreateUnicodeStringFromAsciiz(&pwszKLIDW, pwszKLID);
 911     else pwszKLIDW.Buffer = NULL;
 912
 913     ret = LoadKeyboardLayoutW(pwszKLIDW.Buffer, Flags);
 914     RtlFreeUnicodeString(&pwszKLIDW);
 915     return ret;
 916 }
 917
 918
 919 typedef struct __TRACKINGLIST {
 920     TRACKMOUSEEVENT tme;
 921     POINT pos; /* center of hover rectangle */
 922     INT iHoverTime; /* elapsed time the cursor has been inside of the hover rect */
 923 } _TRACKINGLIST;
 924
 925 static _TRACKINGLIST TrackingList[10];
 926 static int iTrackMax = 0;
 927 static UINT_PTR timer;
 928 static const INT iTimerInterval = 50; /* msec for timer interval */
 929
 930 /* FIXME: need to implement WM_NCMOUSELEAVE and WM_NCMOUSEHOVER for */
 931 /* TrackMouseEventProc and _TrackMouseEvent */
 932 static void CALLBACK TrackMouseEventProc(HWND hwndUnused, UINT uMsg, UINT_PTR idEvent,
 933     DWORD dwTime)
 934 {
 935     int i = 0;
 936     POINT pos;
 937     POINT posClient;
 938     HWND hwnd;
 939     INT hoverwidth = 0, hoverheight = 0;
 940
 941     GetCursorPos(&pos);
 942     hwnd = WindowFromPoint(pos);
 943
 944     SystemParametersInfoA(SPI_GETMOUSEHOVERWIDTH, 0, &hoverwidth, 0);
 945     SystemParametersInfoA(SPI_GETMOUSEHOVERHEIGHT, 0, &hoverheight, 0);
 946
 947     /* loop through tracking events we are processing */
 948     while (i < iTrackMax) {
 949         /* see if this tracking event is looking for TME_LEAVE and that the */
 950         /* mouse has left the window */
 951         if ((TrackingList[i].tme.dwFlags & TME_LEAVE) &&
 952              (TrackingList[i].tme.hwndTrack != hwnd)) {
 953             PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
 954
 955             /* remove the TME_LEAVE flag */
 956             TrackingList[i].tme.dwFlags ^= TME_LEAVE;
 957         }
 958
 959         /* see if we are tracking hovering for this hwnd */
 960         if(TrackingList[i].tme.dwFlags & TME_HOVER) {
 961             /* add the timer interval to the hovering time */
 962             TrackingList[i].iHoverTime+=iTimerInterval;
 963
 964             /* has the cursor moved outside the rectangle centered around pos? */
 965             if((abs(pos.x - TrackingList[i].pos.x) > (hoverwidth / 2.0))
 966               || (abs(pos.y - TrackingList[i].pos.y) > (hoverheight / 2.0)))
 967             {
 968                 /* record this new position as the current position and reset */
 969                 /* the iHoverTime variable to 0 */
 970                 TrackingList[i].pos = pos;
 971                 TrackingList[i].iHoverTime = 0;
 972             }
 973
 974             /* has the mouse hovered long enough? */
 975             if(TrackingList[i].iHoverTime <= TrackingList[i].tme.dwHoverTime)
 976              {
 977                 posClient.x = pos.x;
 978                 posClient.y = pos.y;
 979                 ScreenToClient(hwnd, &posClient);
 980                 PostMessageW(TrackingList[i].tme.hwndTrack, WM_MOUSEHOVER,
 981                              get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
 982
 983                 /* stop tracking mouse hover */
 984                 TrackingList[i].tme.dwFlags ^= TME_HOVER;
 985             }
 986         }
 987
 988         /* see if we are still tracking TME_HOVER or TME_LEAVE for this entry */
 989         if((TrackingList[i].tme.dwFlags & TME_HOVER) ||
 990            (TrackingList[i].tme.dwFlags & TME_LEAVE)) {
 991             i++;
 992         } else { /* remove this entry from the tracking list */
 993             TrackingList[i] = TrackingList[--iTrackMax];
 994         }
 995     }
 996
 997     /* stop the timer if the tracking list is empty */
 998     if(iTrackMax == 0) {
 999         KillTimer(0, timer);
1000         timer = 0;
1001     }
1002 }
1003
1004
1005 /***********************************************************************
1006  * TrackMouseEvent [USER32]
1007  *
1008  * Requests notification of mouse events
1009  *
1010  * During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted
1011  * to the hwnd specified in the ptme structure.  After the event message
1012  * is posted to the hwnd, the entry in the queue is removed.
1013  *
1014  * If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely
1015  * ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted
1016  * immediately and the TME_LEAVE flag being ignored.
1017  *
1018  * PARAMS
1019  *     ptme [I,O] pointer to TRACKMOUSEEVENT information structure.
1020  *
1021  * RETURNS
1022  *     Success: non-zero
1023  *     Failure: zero
1024  *
1025  */
1026
1027 BOOL WINAPI
1028 TrackMouseEvent (TRACKMOUSEEVENT *ptme)
1029 {
1030     DWORD flags = 0;
1031     int i = 0;
1032     BOOL cancel = 0, hover = 0, leave = 0, query = 0;
1033     HWND hwnd;
1034     POINT pos;
1035
1036     pos.x = 0;
1037     pos.y = 0;
1038
1039     TRACE("%lx, %lx, %p, %lx\n", ptme->cbSize, ptme->dwFlags, ptme->hwndTrack, ptme->dwHoverTime);
1040
1041     if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
1042         WARN("wrong TRACKMOUSEEVENT size from app\n");
1043         SetLastError(ERROR_INVALID_PARAMETER); /* FIXME not sure if this is correct */
1044         return FALSE;
1045     }
1046
1047     flags = ptme->dwFlags;
1048
1049     /* if HOVER_DEFAULT was specified replace this with the systems current value */
1050     if(ptme->dwHoverTime == HOVER_DEFAULT)
1051         SystemParametersInfoA(SPI_GETMOUSEHOVERTIME, 0, &(ptme->dwHoverTime), 0);
1052
1053     GetCursorPos(&pos);
1054     hwnd = WindowFromPoint(pos);
1055
1056     if ( flags & TME_CANCEL ) {
1057         flags &= ~ TME_CANCEL;
1058         cancel = 1;
1059     }
1060
1061     if ( flags & TME_HOVER  ) {
1062         flags &= ~ TME_HOVER;
1063         hover = 1;
1064     }
1065
1066     if ( flags & TME_LEAVE ) {
1067         flags &= ~ TME_LEAVE;
1068         leave = 1;
1069     }
1070
1071     /* fill the TRACKMOUSEEVENT struct with the current tracking for the given hwnd */
1072     if ( flags & TME_QUERY ) {
1073         flags &= ~ TME_QUERY;
1074         query = 1;
1075         i = 0;
1076
1077         /* Find the tracking list entry with the matching hwnd */
1078         while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
1079             i++;
1080         }
1081
1082         /* hwnd found, fill in the ptme struct */
1083         if(i < iTrackMax)
1084             *ptme = TrackingList[i].tme;
1085         else
1086             ptme->dwFlags = 0;
1087
1088         return TRUE; /* return here, TME_QUERY is retrieving information */
1089     }
1090
1091     if ( flags )
1092         FIXME("Unknown flag(s) %08lx\n", flags );
1093
1094     if(cancel) {
1095         /* find a matching hwnd if one exists */
1096         i = 0;
1097
1098         while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
1099           i++;
1100         }
1101
1102         if(i < iTrackMax) {
1103             TrackingList[i].tme.dwFlags &= ~(ptme->dwFlags & ~TME_CANCEL);
1104
1105             /* if we aren't tracking on hover or leave remove this entry */
1106             if(!((TrackingList[i].tme.dwFlags & TME_HOVER) ||
1107                  (TrackingList[i].tme.dwFlags & TME_LEAVE)))
1108             {
1109                 TrackingList[i] = TrackingList[--iTrackMax];
1110
1111                 if(iTrackMax == 0) {
1112                     KillTimer(0, timer);
1113                     timer = 0;
1114                 }
1115             }
1116         }
1117     } else {
1118         /* see if hwndTrack isn't the current window */
1119         if(ptme->hwndTrack != hwnd) {
1120             if(leave) {
1121                 PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
1122             }
1123         } else {
1124             /* See if this hwnd is already being tracked and update the tracking flags */
1125             for(i = 0; i < iTrackMax; i++) {
1126                 if(TrackingList[i].tme.hwndTrack == ptme->hwndTrack) {
1127                     if(hover) {
1128                         TrackingList[i].tme.dwFlags |= TME_HOVER;
1129                         TrackingList[i].tme.dwHoverTime = ptme->dwHoverTime;
1130                     }
1131
1132                     if(leave)
1133                         TrackingList[i].tme.dwFlags |= TME_LEAVE;
1134
1135                     /* reset iHoverTime as per winapi specs */
1136                     TrackingList[i].iHoverTime = 0;
1137
1138                     return TRUE;
1139                 }
1140             }
1141
1142             /* if the tracking list is full return FALSE */
1143             if (iTrackMax == sizeof (TrackingList) / sizeof(*TrackingList)) {
1144                 return FALSE;
1145             }
1146
1147             /* Adding new mouse event to the tracking list */
1148             TrackingList[iTrackMax].tme = *ptme;
1149
1150             /* Initialize HoverInfo variables even if not hover tracking */
1151             TrackingList[iTrackMax].iHoverTime = 0;
1152             TrackingList[iTrackMax].pos = pos;
1153
1154             iTrackMax++;
1155
1156             if (!timer) {
1157                 timer = SetTimer(0, 0, iTimerInterval, TrackMouseEventProc);
1158             }
1159         }
1160     }
1161
1162     return TRUE;
1163 }