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 "config.h"
  26 #include "wine/port.h"
  27
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <stdarg.h>
  31 #include <stdio.h>
  32 #include <ctype.h>
  33 #include <assert.h>
  34
  35 #define NONAMELESSUNION
  36 #define NONAMELESSSTRUCT
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "wingdi.h"
  40 #include "winuser.h"
  41 #include "winnls.h"
  42 #include "wine/winbase16.h"
  43 #include "wine/winuser16.h"
  44 #include "wine/server.h"
  45 #include "win.h"
  46 #include "message.h"
  47 #include "winternl.h"
  48 #include "wine/debug.h"
  49 #include "winerror.h"
  50
  51 WINE_DECLARE_DEBUG_CHANNEL(key);
  52 WINE_DECLARE_DEBUG_CHANNEL(keyboard);
  53 WINE_DECLARE_DEBUG_CHANNEL(win);
  54 WINE_DEFAULT_DEBUG_CHANNEL(event);
  55
  56 static BOOL InputEnabled = TRUE;
  57 static BOOL SwappedButtons;
  58
  59 BYTE InputKeyStateTable[256];
  60 BYTE AsyncKeyStateTable[256];
  61 BYTE TrackSysKey = 0; /* determine whether ALT key up will cause a WM_SYSKEYUP
  62                          or a WM_KEYUP message */
  63
  64 /* Storage for the USER-maintained mouse positions */
  65 static DWORD PosX, PosY;
  66
  67 typedef union
  68 {
  69     struct
  70     {
  71         unsigned long count : 16;
  72         unsigned long code : 8;
  73         unsigned long extended : 1;
  74         unsigned long unused : 2;
  75         unsigned long win_internal : 2;
  76         unsigned long context : 1;
  77         unsigned long previous : 1;
  78         unsigned long transition : 1;
  79     } lp1;
  80     unsigned long lp2;
  81 } KEYLP;
  82
  83
  84 /***********************************************************************
  85  *           get_key_state
  86  */
  87 static WORD get_key_state(void)
  88 {
  89     WORD ret = 0;
  90
  91     if (SwappedButtons)
  92     {
  93         if (InputKeyStateTable[VK_RBUTTON] & 0x80) ret |= MK_LBUTTON;
  94         if (InputKeyStateTable[VK_LBUTTON] & 0x80) ret |= MK_RBUTTON;
  95     }
  96     else
  97     {
  98         if (InputKeyStateTable[VK_LBUTTON] & 0x80) ret |= MK_LBUTTON;
  99         if (InputKeyStateTable[VK_RBUTTON] & 0x80) ret |= MK_RBUTTON;
 100     }
 101     if (InputKeyStateTable[VK_MBUTTON] & 0x80)  ret |= MK_MBUTTON;
 102     if (InputKeyStateTable[VK_SHIFT] & 0x80)    ret |= MK_SHIFT;
 103     if (InputKeyStateTable[VK_CONTROL] & 0x80)  ret |= MK_CONTROL;
 104     if (InputKeyStateTable[VK_XBUTTON1] & 0x80) ret |= MK_XBUTTON1;
 105     if (InputKeyStateTable[VK_XBUTTON2] & 0x80) ret |= MK_XBUTTON2;
 106     return ret;
 107 }
 108
 109
 110 /***********************************************************************
 111  *           queue_hardware_message
 112  *
 113  * Add a message to the hardware queue.
 114  * Note: the position is relative to the desktop window.
 115  */
 116 static void queue_hardware_message( UINT message, HWND hwnd, WPARAM wParam, LPARAM lParam,
 117                                     int xPos, int yPos, DWORD time, ULONG_PTR extraInfo )
 118 {
 119     SERVER_START_REQ( send_message )
 120     {
 121         req->id       = GetCurrentThreadId();
 122         req->type     = MSG_HARDWARE;
 123         req->flags    = 0;
 124         req->win      = hwnd;
 125         req->msg      = message;
 126         req->wparam   = wParam;
 127         req->lparam   = lParam;
 128         req->x        = xPos;
 129         req->y        = yPos;
 130         req->time     = time;
 131         req->info     = extraInfo;
 132         req->timeout  = -1;
 133         req->callback = NULL;
 134         wine_server_call( req );
 135     }
 136     SERVER_END_REQ;
 137 }
 138
 139
 140 /***********************************************************************
 141  *           queue_kbd_event
 142  *
 143  * Put a keyboard event into a thread queue
 144  */
 145 static void queue_kbd_event( const KEYBDINPUT *ki, UINT injected_flags )
 146 {
 147     UINT message;
 148     KEYLP keylp;
 149     KBDLLHOOKSTRUCT hook;
 150
 151     keylp.lp2 = 0;
 152     keylp.lp1.count = 1;
 153     keylp.lp1.code = ki->wScan;
 154     keylp.lp1.extended = (ki->dwFlags & KEYEVENTF_EXTENDEDKEY) != 0;
 155     keylp.lp1.win_internal = 0; /* this has something to do with dialogs,
 156                                 * don't remember where I read it - AK */
 157                                 /* it's '1' under windows, when a dialog box appears
 158                                  * and you press one of the underlined keys - DF*/
 159
 160     /* note that there is a test for all this */
 161     if (ki->dwFlags & KEYEVENTF_KEYUP )
 162     {
 163         message = WM_KEYUP;
 164         if( (InputKeyStateTable[VK_MENU] & 0x80) && (
 165                  (ki->wVk == VK_MENU) || (ki->wVk == VK_CONTROL) ||
 166                  !(InputKeyStateTable[VK_CONTROL] & 0x80))) {
 167             if(  TrackSysKey == VK_MENU || /* <ALT>-down/<ALT>-up sequence */
 168                     (ki->wVk != VK_MENU)) /* <ALT>-down...<something else>-up */
 169                 message = WM_SYSKEYUP;
 170                 TrackSysKey = 0;
 171         }
 172         InputKeyStateTable[ki->wVk] &= ~0x80;
 173         keylp.lp1.previous = 1;
 174         keylp.lp1.transition = 1;
 175     }
 176     else
 177     {
 178         keylp.lp1.previous = (InputKeyStateTable[ki->wVk] & 0x80) != 0;
 179         keylp.lp1.transition = 0;
 180         if (!(InputKeyStateTable[ki->wVk] & 0x80)) InputKeyStateTable[ki->wVk] ^= 0x01;
 181         InputKeyStateTable[ki->wVk] |= 0x80;
 182         AsyncKeyStateTable[ki->wVk] |= 0x80;
 183
 184         message = WM_KEYDOWN;
 185         if( (InputKeyStateTable[VK_MENU] & 0x80) &&
 186                 !(InputKeyStateTable[VK_CONTROL] & 0x80)) {
 187             message = WM_SYSKEYDOWN;
 188             TrackSysKey = ki->wVk;
 189         }
 190     }
 191
 192     keylp.lp1.context = (InputKeyStateTable[VK_MENU] & 0x80) != 0; /* 1 if alt */
 193
 194     TRACE_(key)(" wParam=%04x, lParam=%08lx, InputKeyState=%x\n",
 195                 ki->wVk, keylp.lp2, InputKeyStateTable[ki->wVk] );
 196
 197     hook.vkCode      = ki->wVk;
 198     hook.scanCode    = ki->wScan;
 199     hook.flags       = (keylp.lp2 >> 24) | injected_flags;
 200     hook.time        = ki->time;
 201     hook.dwExtraInfo = ki->dwExtraInfo;
 202     if (!HOOK_CallHooks( WH_KEYBOARD_LL, HC_ACTION, message, (LPARAM)&hook, TRUE ))
 203         queue_hardware_message( message, 0, ki->wVk, keylp.lp2,
 204                                 PosX, PosY, ki->time, ki->dwExtraInfo );
 205 }
 206
 207
 208 /***********************************************************************
 209  *           queue_raw_mouse_message
 210  */
 211 static void queue_raw_mouse_message( UINT message, UINT flags, INT x, INT y, const MOUSEINPUT *mi )
 212 {
 213     MSLLHOOKSTRUCT hook;
 214
 215     hook.pt.x        = x;
 216     hook.pt.y        = y;
 217     hook.mouseData   = MAKELONG( 0, mi->mouseData );
 218     hook.flags       = flags;
 219     hook.time        = mi->time;
 220     hook.dwExtraInfo = mi->dwExtraInfo;
 221
 222     if (!HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, message, (LPARAM)&hook, TRUE ))
 223         queue_hardware_message( message, (HWND)mi->dwExtraInfo /*FIXME*/,
 224                                 MAKEWPARAM( get_key_state(), mi->mouseData ),
 225                                 0, x, y, mi->time, mi->dwExtraInfo );
 226 }
 227
 228
 229 /***********************************************************************
 230  *              queue_mouse_event
 231  */
 232 static void queue_mouse_event( const MOUSEINPUT *mi, UINT flags )
 233 {
 234     if (mi->dwFlags & MOUSEEVENTF_ABSOLUTE)
 235     {
 236         PosX = (mi->dx * GetSystemMetrics(SM_CXSCREEN)) >> 16;
 237         PosY = (mi->dy * GetSystemMetrics(SM_CYSCREEN)) >> 16;
 238     }
 239     else if (mi->dwFlags & MOUSEEVENTF_MOVE)
 240     {
 241         int width  = GetSystemMetrics(SM_CXSCREEN);
 242         int height = GetSystemMetrics(SM_CYSCREEN);
 243         long posX = (long) PosX, posY = (long) PosY;
 244         int accel[3];
 245         int accelMult;
 246
 247         /* dx and dy can be negative numbers for relative movements */
 248         SystemParametersInfoA(SPI_GETMOUSE, 0, accel, 0);
 249
 250         accelMult = 1;
 251         if (mi->dx > accel[0] && accel[2] != 0)
 252         {
 253             accelMult = 2;
 254             if ((mi->dx > accel[1]) && (accel[2] == 2))
 255             {
 256                 accelMult = 4;
 257             }
 258         }
 259         posX += (long)mi->dx * accelMult;
 260
 261         accelMult = 1;
 262         if (mi->dy > accel[0] && accel[2] != 0)
 263         {
 264             accelMult = 2;
 265             if ((mi->dy > accel[1]) && (accel[2] == 2))
 266             {
 267                 accelMult = 4;
 268             }
 269         }
 270         posY += (long)mi->dy * accelMult;
 271
 272         /* Clip to the current screen size */
 273         if (posX < 0) PosX = 0;
 274         else if (posX >= width) PosX = width - 1;
 275         else PosX = posX;
 276
 277         if (posY < 0) PosY = 0;
 278         else if (posY >= height) PosY = height - 1;
 279         else PosY = posY;
 280     }
 281
 282     if (mi->dwFlags & MOUSEEVENTF_MOVE)
 283     {
 284         queue_raw_mouse_message( WM_MOUSEMOVE, flags, PosX, PosY, mi );
 285     }
 286     if (mi->dwFlags & MOUSEEVENTF_LEFTDOWN)
 287     {
 288         InputKeyStateTable[VK_LBUTTON] |= 0x80;
 289         AsyncKeyStateTable[VK_LBUTTON] |= 0x80;
 290         queue_raw_mouse_message( SwappedButtons ? WM_RBUTTONDOWN : WM_LBUTTONDOWN,
 291                                  flags, PosX, PosY, mi );
 292     }
 293     if (mi->dwFlags & MOUSEEVENTF_LEFTUP)
 294     {
 295         InputKeyStateTable[VK_LBUTTON] &= ~0x80;
 296         queue_raw_mouse_message( SwappedButtons ? WM_RBUTTONUP : WM_LBUTTONUP,
 297                                  flags, PosX, PosY, mi );
 298     }
 299     if (mi->dwFlags & MOUSEEVENTF_RIGHTDOWN)
 300     {
 301         InputKeyStateTable[VK_RBUTTON] |= 0x80;
 302         AsyncKeyStateTable[VK_RBUTTON] |= 0x80;
 303         queue_raw_mouse_message( SwappedButtons ? WM_LBUTTONDOWN : WM_RBUTTONDOWN,
 304                                  flags, PosX, PosY, mi );
 305     }
 306     if (mi->dwFlags & MOUSEEVENTF_RIGHTUP)
 307     {
 308         InputKeyStateTable[VK_RBUTTON] &= ~0x80;
 309         queue_raw_mouse_message( SwappedButtons ? WM_LBUTTONUP : WM_RBUTTONUP,
 310                                  flags, PosX, PosY, mi );
 311     }
 312     if (mi->dwFlags & MOUSEEVENTF_MIDDLEDOWN)
 313     {
 314         InputKeyStateTable[VK_MBUTTON] |= 0x80;
 315         AsyncKeyStateTable[VK_MBUTTON] |= 0x80;
 316         queue_raw_mouse_message( WM_MBUTTONDOWN, flags, PosX, PosY, mi );
 317     }
 318     if (mi->dwFlags & MOUSEEVENTF_MIDDLEUP)
 319     {
 320         InputKeyStateTable[VK_MBUTTON] &= ~0x80;
 321         queue_raw_mouse_message( WM_MBUTTONUP, flags, PosX, PosY, mi );
 322     }
 323     if (mi->dwFlags & MOUSEEVENTF_WHEEL)
 324     {
 325         queue_raw_mouse_message( WM_MOUSEWHEEL, flags, PosX, PosY, mi );
 326     }
 327     if (flags & LLMHF_INJECTED)  /* we have to actually move the cursor */
 328         SetCursorPos( PosX, PosY );
 329 }
 330
 331
 332 /***********************************************************************
 333  *              SendInput  (USER32.@)
 334  */
 335 UINT WINAPI SendInput( UINT count, LPINPUT inputs, int size )
 336 {
 337     UINT i;
 338
 339     if (!InputEnabled) return 0;
 340
 341     for (i = 0; i < count; i++, inputs++)
 342     {
 343         switch(inputs->type)
 344         {
 345         case INPUT_MOUSE:
 346             queue_mouse_event( &inputs->u.mi, LLMHF_INJECTED );
 347             break;
 348         case WINE_INTERNAL_INPUT_MOUSE:
 349             queue_mouse_event( &inputs->u.mi, 0 );
 350             break;
 351         case INPUT_KEYBOARD:
 352             queue_kbd_event( &inputs->u.ki, LLKHF_INJECTED );
 353             break;
 354         case WINE_INTERNAL_INPUT_KEYBOARD:
 355             queue_kbd_event( &inputs->u.ki, 0 );
 356             break;
 357         case INPUT_HARDWARE:
 358             FIXME( "INPUT_HARDWARE not supported\n" );
 359             break;
 360         }
 361     }
 362     return count;
 363 }
 364
 365
 366 /***********************************************************************
 367  *              keybd_event (USER32.@)
 368  */
 369 void WINAPI keybd_event( BYTE bVk, BYTE bScan,
 370                          DWORD dwFlags, ULONG_PTR dwExtraInfo )
 371 {
 372     INPUT input;
 373
 374     input.type = INPUT_KEYBOARD;
 375     input.u.ki.wVk = bVk;
 376     input.u.ki.wScan = bScan;
 377     input.u.ki.dwFlags = dwFlags;
 378     input.u.ki.time = GetTickCount();
 379     input.u.ki.dwExtraInfo = dwExtraInfo;
 380     SendInput( 1, &input, sizeof(input) );
 381 }
 382
 383
 384 /***********************************************************************
 385  *              keybd_event (USER.289)
 386  */
 387 void WINAPI keybd_event16( CONTEXT86 *context )
 388 {
 389     DWORD dwFlags = 0;
 390
 391     if (HIBYTE(context->Eax) & 0x80) dwFlags |= KEYEVENTF_KEYUP;
 392     if (HIBYTE(context->Ebx) & 0x01) dwFlags |= KEYEVENTF_EXTENDEDKEY;
 393
 394     keybd_event( LOBYTE(context->Eax), LOBYTE(context->Ebx),
 395                  dwFlags, MAKELONG(LOWORD(context->Esi), LOWORD(context->Edi)) );
 396 }
 397
 398
 399 /***********************************************************************
 400  *              mouse_event (USER32.@)
 401  */
 402 void WINAPI mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
 403                          DWORD dwData, ULONG_PTR dwExtraInfo )
 404 {
 405     INPUT input;
 406
 407     input.type = INPUT_MOUSE;
 408     input.u.mi.dx = dx;
 409     input.u.mi.dy = dy;
 410     input.u.mi.mouseData = dwData;
 411     input.u.mi.dwFlags = dwFlags;
 412     input.u.mi.time = GetCurrentTime();
 413     input.u.mi.dwExtraInfo = dwExtraInfo;
 414     SendInput( 1, &input, sizeof(input) );
 415 }
 416
 417
 418 /***********************************************************************
 419  *              mouse_event (USER.299)
 420  */
 421 void WINAPI mouse_event16( CONTEXT86 *context )
 422 {
 423     mouse_event( LOWORD(context->Eax), LOWORD(context->Ebx), LOWORD(context->Ecx),
 424                  LOWORD(context->Edx), MAKELONG(context->Esi, context->Edi) );
 425 }
 426
 427 /***********************************************************************
 428  *              GetMouseEventProc (USER.337)
 429  */
 430 FARPROC16 WINAPI GetMouseEventProc16(void)
 431 {
 432     HMODULE16 hmodule = GetModuleHandle16("USER");
 433     return GetProcAddress16( hmodule, "mouse_event" );
 434 }
 435
 436
 437 /**********************************************************************
 438  *              EnableHardwareInput (USER.331)
 439  */
 440 BOOL16 WINAPI EnableHardwareInput16(BOOL16 bEnable)
 441 {
 442   BOOL16 bOldState = InputEnabled;
 443   FIXME_(event)("(%d) - stub\n", bEnable);
 444   InputEnabled = bEnable;
 445   return bOldState;
 446 }
 447
 448
 449 /***********************************************************************
 450  *              SwapMouseButton (USER.186)
 451  */
 452 BOOL16 WINAPI SwapMouseButton16( BOOL16 fSwap )
 453 {
 454     BOOL16 ret = SwappedButtons;
 455     SwappedButtons = fSwap;
 456     return ret;
 457 }
 458
 459
 460 /***********************************************************************
 461  *              SwapMouseButton (USER32.@)
 462  */
 463 BOOL WINAPI SwapMouseButton( BOOL fSwap )
 464 {
 465     BOOL ret = SwappedButtons;
 466     SwappedButtons = fSwap;
 467     return ret;
 468 }
 469
 470
 471 /***********************************************************************
 472  *              GetCursorPos (USER.17)
 473  */
 474 BOOL16 WINAPI GetCursorPos16( POINT16 *pt )
 475 {
 476     POINT pos;
 477     if (!pt) return 0;
 478     GetCursorPos(&pos);
 479     pt->x = pos.x;
 480     pt->y = pos.y;
 481     return 1;
 482 }
 483
 484
 485 /***********************************************************************
 486  *              GetCursorPos (USER32.@)
 487  */
 488 BOOL WINAPI GetCursorPos( POINT *pt )
 489 {
 490     if (!pt) return 0;
 491     pt->x = PosX;
 492     pt->y = PosY;
 493     if (USER_Driver.pGetCursorPos) USER_Driver.pGetCursorPos( pt );
 494     return 1;
 495 }
 496
 497
 498 /***********************************************************************
 499  *              GetCursorInfo (USER32.@)
 500  */
 501 BOOL WINAPI GetCursorInfo( PCURSORINFO pci )
 502 {
 503     MESSAGEQUEUE *queue = QUEUE_Current();
 504
 505     if (!pci) return 0;
 506     if (queue->cursor_count >= 0) pci->flags = CURSOR_SHOWING;
 507     else pci->flags = 0;
 508     GetCursorPos(&pci->ptScreenPos);
 509     return 1;
 510 }
 511
 512
 513 /***********************************************************************
 514  *              SetCursorPos (USER.70)
 515  */
 516 void WINAPI SetCursorPos16( INT16 x, INT16 y )
 517 {
 518     SetCursorPos( x, y );
 519 }
 520
 521
 522 /***********************************************************************
 523  *              SetCursorPos (USER32.@)
 524  */
 525 BOOL WINAPI SetCursorPos( INT x, INT y )
 526 {
 527     if (USER_Driver.pSetCursorPos) USER_Driver.pSetCursorPos( x, y );
 528     PosX = x;
 529     PosY = y;
 530     return TRUE;
 531 }
 532
 533
 534 /**********************************************************************
 535  *              SetCapture (USER32.@)
 536  */
 537 HWND WINAPI SetCapture( HWND hwnd )
 538 {
 539     HWND previous = 0;
 540
 541     SERVER_START_REQ( set_capture_window )
 542     {
 543         req->handle = hwnd;
 544         req->flags  = 0;
 545         if (!wine_server_call_err( req ))
 546         {
 547             previous = reply->previous;
 548             hwnd = reply->full_handle;
 549         }
 550     }
 551     SERVER_END_REQ;
 552
 553     if (previous && previous != hwnd)
 554         SendMessageW( previous, WM_CAPTURECHANGED, 0, (LPARAM)hwnd );
 555     return previous;
 556 }
 557
 558
 559 /**********************************************************************
 560  *              ReleaseCapture (USER32.@)
 561  */
 562 BOOL WINAPI ReleaseCapture(void)
 563 {
 564     return (SetCapture(0) != 0);
 565 }
 566
 567
 568 /**********************************************************************
 569  *              GetCapture (USER32.@)
 570  */
 571 HWND WINAPI GetCapture(void)
 572 {
 573     HWND ret = 0;
 574
 575     SERVER_START_REQ( get_thread_input )
 576     {
 577         req->tid = GetCurrentThreadId();
 578         if (!wine_server_call_err( req )) ret = reply->capture;
 579     }
 580     SERVER_END_REQ;
 581     return ret;
 582 }
 583
 584
 585 /**********************************************************************
 586  *              GetAsyncKeyState (USER32.@)
 587  *
 588  *      Determine if a key is or was pressed.  retval has high-order
 589  * bit set to 1 if currently pressed, low-order bit set to 1 if key has
 590  * been pressed.
 591  *
 592  *      This uses the variable AsyncMouseButtonsStates and
 593  * AsyncKeyStateTable (set in event.c) which have the mouse button
 594  * number or key number (whichever is applicable) set to true if the
 595  * mouse or key had been depressed since the last call to
 596  * GetAsyncKeyState.
 597  */
 598 SHORT WINAPI GetAsyncKeyState(INT nKey)
 599 {
 600     SHORT retval = ((AsyncKeyStateTable[nKey] & 0x80) ? 0x0001 : 0) |
 601                    ((InputKeyStateTable[nKey] & 0x80) ? 0x8000 : 0);
 602     AsyncKeyStateTable[nKey] = 0;
 603     TRACE_(key)("(%x) -> %x\n", nKey, retval);
 604     return retval;
 605 }
 606
 607 /**********************************************************************
 608  *              GetAsyncKeyState (USER.249)
 609  */
 610 INT16 WINAPI GetAsyncKeyState16(INT16 nKey)
 611 {
 612     return GetAsyncKeyState(nKey);
 613 }
 614
 615 /***********************************************************************
 616  *              IsUserIdle (USER.333)
 617  */
 618 BOOL16 WINAPI IsUserIdle16(void)
 619 {
 620     if ( GetAsyncKeyState( VK_LBUTTON ) & 0x8000 )
 621         return FALSE;
 622
 623     if ( GetAsyncKeyState( VK_RBUTTON ) & 0x8000 )
 624         return FALSE;
 625
 626     if ( GetAsyncKeyState( VK_MBUTTON ) & 0x8000 )
 627         return FALSE;
 628
 629     /* Should check for screen saver activation here ... */
 630
 631     return TRUE;
 632 }
 633
 634 /**********************************************************************
 635  *              VkKeyScanA (USER32.@)
 636  *
 637  * VkKeyScan translates an ANSI character to a virtual-key and shift code
 638  * for the current keyboard.
 639  * high-order byte yields :
 640  *      0       Unshifted
 641  *      1       Shift
 642  *      2       Ctrl
 643  *      3-5     Shift-key combinations that are not used for characters
 644  *      6       Ctrl-Alt
 645  *      7       Ctrl-Alt-Shift
 646  *      I.e. :  Shift = 1, Ctrl = 2, Alt = 4.
 647  * FIXME : works ok except for dead chars :
 648  * VkKeyScan '^'(0x5e, 94) ... got keycode 00 ... returning 00
 649  * VkKeyScan '`'(0x60, 96) ... got keycode 00 ... returning 00
 650  */
 651 SHORT WINAPI VkKeyScanA(CHAR cChar)
 652 {
 653     WCHAR wChar;
 654
 655     if (IsDBCSLeadByte(cChar)) return -1;
 656
 657     MultiByteToWideChar(CP_ACP, 0, &cChar, 1, &wChar, 1);
 658     return VkKeyScanW(wChar);
 659 }
 660
 661 /******************************************************************************
 662  *              VkKeyScanW (USER32.@)
 663  */
 664 SHORT WINAPI VkKeyScanW(WCHAR cChar)
 665 {
 666     return VkKeyScanExW(cChar, GetKeyboardLayout(0));
 667 }
 668
 669 /**********************************************************************
 670  *              VkKeyScanExA (USER32.@)
 671  */
 672 WORD WINAPI VkKeyScanExA(CHAR cChar, HKL dwhkl)
 673 {
 674     WCHAR wChar;
 675
 676     if (IsDBCSLeadByte(cChar)) return -1;
 677
 678     MultiByteToWideChar(CP_ACP, 0, &cChar, 1, &wChar, 1);
 679     return VkKeyScanExW(wChar, dwhkl);
 680 }
 681
 682 /******************************************************************************
 683  *              VkKeyScanExW (USER32.@)
 684  */
 685 WORD WINAPI VkKeyScanExW(WCHAR cChar, HKL dwhkl)
 686 {
 687     if (USER_Driver.pVkKeyScanEx)
 688         return USER_Driver.pVkKeyScanEx(cChar, dwhkl);
 689     return -1;
 690 }
 691
 692 /******************************************************************************
 693  *              GetKeyboardType (USER32.@)
 694  */
 695 INT WINAPI GetKeyboardType(INT nTypeFlag)
 696 {
 697     TRACE_(keyboard)("(%d)\n", nTypeFlag);
 698     switch(nTypeFlag)
 699     {
 700     case 0:      /* Keyboard type */
 701         return 4;    /* AT-101 */
 702     case 1:      /* Keyboard Subtype */
 703         return 0;    /* There are no defined subtypes */
 704     case 2:      /* Number of F-keys */
 705         return 12;   /* We're doing an 101 for now, so return 12 F-keys */
 706     default:
 707         WARN_(keyboard)("Unknown type\n");
 708         return 0;    /* The book says 0 here, so 0 */
 709     }
 710 }
 711
 712 /******************************************************************************
 713  *              MapVirtualKeyA (USER32.@)
 714  */
 715 UINT WINAPI MapVirtualKeyA(UINT code, UINT maptype)
 716 {
 717     return MapVirtualKeyExA( code, maptype, GetKeyboardLayout(0) );
 718 }
 719
 720 /******************************************************************************
 721  *              MapVirtualKeyW (USER32.@)
 722  */
 723 UINT WINAPI MapVirtualKeyW(UINT code, UINT maptype)
 724 {
 725     return MapVirtualKeyExW(code, maptype, GetKeyboardLayout(0));
 726 }
 727
 728 /******************************************************************************
 729  *              MapVirtualKeyExA (USER32.@)
 730  */
 731 UINT WINAPI MapVirtualKeyExA(UINT code, UINT maptype, HKL hkl)
 732 {
 733     return MapVirtualKeyExW(code, maptype, hkl);
 734 }
 735
 736 /******************************************************************************
 737  *              MapVirtualKeyExW (USER32.@)
 738  */
 739 UINT WINAPI MapVirtualKeyExW(UINT code, UINT maptype, HKL hkl)
 740 {
 741     TRACE_(keyboard)("(%d, %d, %p)\n", code, maptype, hkl);
 742
 743     if (USER_Driver.pMapVirtualKeyEx)
 744         return USER_Driver.pMapVirtualKeyEx(code, maptype, hkl);
 745     return 0;
 746 }
 747
 748 /****************************************************************************
 749  *              GetKBCodePage (USER32.@)
 750  */
 751 UINT WINAPI GetKBCodePage(void)
 752 {
 753     return GetOEMCP();
 754 }
 755
 756 /****************************************************************************
 757  *              GetKeyboardLayoutName (USER.477)
 758  */
 759 INT16 WINAPI GetKeyboardLayoutName16(LPSTR pwszKLID)
 760 {
 761         return GetKeyboardLayoutNameA(pwszKLID);
 762 }
 763
 764 /***********************************************************************
 765  *              GetKeyboardLayout (USER32.@)
 766  *
 767  *        - device handle for keyboard layout defaulted to
 768  *          the language id. This is the way Windows default works.
 769  *        - the thread identifier (dwLayout) is also ignored.
 770  */
 771 HKL WINAPI GetKeyboardLayout(DWORD dwLayout)
 772 {
 773     if (USER_Driver.pGetKeyboardLayout)
 774         return USER_Driver.pGetKeyboardLayout(dwLayout);
 775     return 0;
 776 }
 777
 778 /****************************************************************************
 779  *              GetKeyboardLayoutNameA (USER32.@)
 780  */
 781 BOOL WINAPI GetKeyboardLayoutNameA(LPSTR pszKLID)
 782 {
 783     WCHAR buf[KL_NAMELENGTH];
 784
 785     if (GetKeyboardLayoutNameW(buf))
 786         return WideCharToMultiByte( CP_ACP, 0, buf, -1, pszKLID, KL_NAMELENGTH, NULL, NULL ) != 0;
 787     return FALSE;
 788 }
 789
 790 /****************************************************************************
 791  *              GetKeyboardLayoutNameW (USER32.@)
 792  */
 793 BOOL WINAPI GetKeyboardLayoutNameW(LPWSTR pwszKLID)
 794 {
 795     if (USER_Driver.pGetKeyboardLayoutName)
 796         return USER_Driver.pGetKeyboardLayoutName(pwszKLID);
 797     return FALSE;
 798 }
 799
 800 /****************************************************************************
 801  *              GetKeyNameTextA (USER32.@)
 802  */
 803 INT WINAPI GetKeyNameTextA(LONG lParam, LPSTR lpBuffer, INT nSize)
 804 {
 805     WCHAR buf[256];
 806     INT ret;
 807
 808     if (!GetKeyNameTextW(lParam, buf, 256))
 809         return 0;
 810     ret = WideCharToMultiByte(CP_ACP, 0, buf, -1, lpBuffer, nSize, NULL, NULL);
 811     if (!ret && nSize)
 812     {
 813         ret = nSize - 1;
 814         lpBuffer[ret] = 0;
 815     }
 816     return ret;
 817 }
 818
 819 /****************************************************************************
 820  *              GetKeyNameTextW (USER32.@)
 821  */
 822 INT WINAPI GetKeyNameTextW(LONG lParam, LPWSTR lpBuffer, INT nSize)
 823 {
 824     if (USER_Driver.pGetKeyNameText)
 825         return USER_Driver.pGetKeyNameText( lParam, lpBuffer, nSize );
 826     return 0;
 827 }
 828
 829 /****************************************************************************
 830  *              ToUnicode (USER32.@)
 831  */
 832 INT WINAPI ToUnicode(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 833                      LPWSTR lpwStr, int size, UINT flags)
 834 {
 835     return ToUnicodeEx(virtKey, scanCode, lpKeyState, lpwStr, size, flags, GetKeyboardLayout(0));
 836 }
 837
 838 /****************************************************************************
 839  *              ToUnicodeEx (USER32.@)
 840  */
 841 INT WINAPI ToUnicodeEx(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 842                        LPWSTR lpwStr, int size, UINT flags, HKL hkl)
 843 {
 844     if (USER_Driver.pToUnicodeEx)
 845         return USER_Driver.pToUnicodeEx(virtKey, scanCode, lpKeyState, lpwStr, size, flags, hkl);
 846     return 0;
 847 }
 848
 849 /****************************************************************************
 850  *              ToAscii (USER32.@)
 851  */
 852 INT WINAPI ToAscii( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 853                     LPWORD lpChar, UINT flags )
 854 {
 855     return ToAsciiEx(virtKey, scanCode, lpKeyState, lpChar, flags, GetKeyboardLayout(0));
 856 }
 857
 858 /****************************************************************************
 859  *              ToAsciiEx (USER32.@)
 860  */
 861 INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 862                       LPWORD lpChar, UINT flags, HKL dwhkl )
 863 {
 864     WCHAR uni_chars[2];
 865     INT ret, n_ret;
 866
 867     ret = ToUnicodeEx(virtKey, scanCode, lpKeyState, uni_chars, 2, flags, dwhkl);
 868     if (ret < 0) n_ret = 1; /* FIXME: make ToUnicode return 2 for dead chars */
 869     else n_ret = ret;
 870     WideCharToMultiByte(CP_ACP, 0, uni_chars, n_ret, (LPSTR)lpChar, 2, NULL, NULL);
 871     return ret;
 872 }
 873
 874 /**********************************************************************
 875  *              ActivateKeyboardLayout (USER32.@)
 876  */
 877 HKL WINAPI ActivateKeyboardLayout(HKL hLayout, UINT flags)
 878 {
 879     TRACE_(keyboard)("(%p, %d)\n", hLayout, flags);
 880
 881     if (USER_Driver.pActivateKeyboardLayout)
 882         return USER_Driver.pActivateKeyboardLayout(hLayout, flags);
 883     return 0;
 884 }
 885
 886
 887 /***********************************************************************
 888  *              GetKeyboardLayoutList (USER32.@)
 889  *
 890  * Return number of values available if either input parm is
 891  *  0, per MS documentation.
 892  */
 893 UINT WINAPI GetKeyboardLayoutList(INT nBuff, HKL *layouts)
 894 {
 895     TRACE_(keyboard)("(%d,%p)\n",nBuff,layouts);
 896
 897     if (USER_Driver.pGetKeyboardLayoutList)
 898         return USER_Driver.pGetKeyboardLayoutList(nBuff, layouts);
 899     return 0;
 900 }
 901
 902
 903 /***********************************************************************
 904  *              RegisterHotKey (USER32.@)
 905  */
 906 BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk) {
 907         FIXME_(keyboard)("(%p,%d,0x%08x,%d): stub\n",hwnd,id,modifiers,vk);
 908         return TRUE;
 909 }
 910
 911 /***********************************************************************
 912  *              UnregisterHotKey (USER32.@)
 913  */
 914 BOOL WINAPI UnregisterHotKey(HWND hwnd,INT id) {
 915         FIXME_(keyboard)("(%p,%d): stub\n",hwnd,id);
 916         return TRUE;
 917 }
 918
 919 /***********************************************************************
 920  *              LoadKeyboardLayoutW (USER32.@)
 921  */
 922 HKL WINAPI LoadKeyboardLayoutW(LPCWSTR pwszKLID, UINT Flags)
 923 {
 924     TRACE_(keyboard)("(%s, %d)\n", debugstr_w(pwszKLID), Flags);
 925
 926     if (USER_Driver.pLoadKeyboardLayout)
 927         return USER_Driver.pLoadKeyboardLayout(pwszKLID, Flags);
 928     return 0;
 929 }
 930
 931 /***********************************************************************
 932  *              LoadKeyboardLayoutA (USER32.@)
 933  */
 934 HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
 935 {
 936     HKL ret;
 937     UNICODE_STRING pwszKLIDW;
 938
 939     if (pwszKLID) RtlCreateUnicodeStringFromAsciiz(&pwszKLIDW, pwszKLID);
 940     else pwszKLIDW.Buffer = NULL;
 941
 942     ret = LoadKeyboardLayoutW(pwszKLIDW.Buffer, Flags);
 943     RtlFreeUnicodeString(&pwszKLIDW);
 944     return ret;
 945 }
 946
 947
 948 /***********************************************************************
 949  *              UnloadKeyboardLayout (USER32.@)
 950  */
 951 BOOL WINAPI UnloadKeyboardLayout(HKL hkl)
 952 {
 953     TRACE_(keyboard)("(%p)\n", hkl);
 954
 955     if (USER_Driver.pUnloadKeyboardLayout)
 956         return USER_Driver.pUnloadKeyboardLayout(hkl);
 957     return 0;
 958 }
 959
 960 typedef struct __TRACKINGLIST {
 961     TRACKMOUSEEVENT tme;
 962     POINT pos; /* center of hover rectangle */
 963     INT iHoverTime; /* elapsed time the cursor has been inside of the hover rect */
 964 } _TRACKINGLIST;
 965
 966 static _TRACKINGLIST TrackingList[10];
 967 static int iTrackMax = 0;
 968 static UINT_PTR timer;
 969 static const INT iTimerInterval = 50; /* msec for timer interval */
 970
 971 static void CALLBACK TrackMouseEventProc(HWND hwndUnused, UINT uMsg, UINT_PTR idEvent,
 972     DWORD dwTime)
 973 {
 974     int i = 0;
 975     POINT pos;
 976     POINT posClient;
 977     HWND hwnd;
 978     INT nonclient;
 979     INT hoverwidth = 0, hoverheight = 0;
 980     RECT client;
 981
 982     GetCursorPos(&pos);
 983     hwnd = WindowFromPoint(pos);
 984
 985     SystemParametersInfoA(SPI_GETMOUSEHOVERWIDTH, 0, &hoverwidth, 0);
 986     SystemParametersInfoA(SPI_GETMOUSEHOVERHEIGHT, 0, &hoverheight, 0);
 987
 988     /* loop through tracking events we are processing */
 989     while (i < iTrackMax) {
 990         if (TrackingList[i].tme.dwFlags & TME_NONCLIENT) {
 991             nonclient = 1;
 992         }
 993         else {
 994             nonclient = 0;
 995         }
 996
 997         /* see if this tracking event is looking for TME_LEAVE and that the */
 998         /* mouse has left the window */
 999         if (TrackingList[i].tme.dwFlags & TME_LEAVE) {
1000             if (TrackingList[i].tme.hwndTrack != hwnd) {
1001                 if (nonclient) {
1002                     PostMessageA(TrackingList[i].tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
1003                 }
1004                 else {
1005                     PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
1006                 }
1007
1008                 /* remove the TME_LEAVE flag */
1009                 TrackingList[i].tme.dwFlags ^= TME_LEAVE;
1010             }
1011             else {
1012                 GetClientRect(hwnd, &client);
1013                 MapWindowPoints(hwnd, NULL, (LPPOINT)&client, 2);
1014                 if(PtInRect(&client, pos)) {
1015                     if (nonclient) {
1016                         PostMessageA(TrackingList[i].tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
1017                         /* remove the TME_LEAVE flag */
1018                         TrackingList[i].tme.dwFlags ^= TME_LEAVE;
1019                     }
1020                 }
1021                 else {
1022                     if (!nonclient) {
1023                         PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
1024                         /* remove the TME_LEAVE flag */
1025                         TrackingList[i].tme.dwFlags ^= TME_LEAVE;
1026                     }
1027                 }
1028             }
1029         }
1030
1031         /* see if we are tracking hovering for this hwnd */
1032         if(TrackingList[i].tme.dwFlags & TME_HOVER) {
1033             /* add the timer interval to the hovering time */
1034             TrackingList[i].iHoverTime+=iTimerInterval;
1035
1036             /* has the cursor moved outside the rectangle centered around pos? */
1037             if((abs(pos.x - TrackingList[i].pos.x) > (hoverwidth / 2.0))
1038               || (abs(pos.y - TrackingList[i].pos.y) > (hoverheight / 2.0)))
1039             {
1040                 /* record this new position as the current position and reset */
1041                 /* the iHoverTime variable to 0 */
1042                 TrackingList[i].pos = pos;
1043                 TrackingList[i].iHoverTime = 0;
1044             }
1045
1046             /* has the mouse hovered long enough? */
1047             if(TrackingList[i].iHoverTime <= TrackingList[i].tme.dwHoverTime)
1048             {
1049                 posClient.x = pos.x;
1050                 posClient.y = pos.y;
1051                 ScreenToClient(hwnd, &posClient);
1052                 if (nonclient) {
1053                     PostMessageW(TrackingList[i].tme.hwndTrack, WM_NCMOUSEHOVER,
1054                                 get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
1055                 }
1056                 else {
1057                     PostMessageW(TrackingList[i].tme.hwndTrack, WM_MOUSEHOVER,
1058                                 get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
1059                 }
1060
1061                 /* stop tracking mouse hover */
1062                 TrackingList[i].tme.dwFlags ^= TME_HOVER;
1063             }
1064         }
1065
1066         /* see if we are still tracking TME_HOVER or TME_LEAVE for this entry */
1067         if((TrackingList[i].tme.dwFlags & TME_HOVER) ||
1068            (TrackingList[i].tme.dwFlags & TME_LEAVE)) {
1069             i++;
1070         } else { /* remove this entry from the tracking list */
1071             TrackingList[i] = TrackingList[--iTrackMax];
1072         }
1073     }
1074
1075     /* stop the timer if the tracking list is empty */
1076     if(iTrackMax == 0) {
1077         KillTimer(0, timer);
1078         timer = 0;
1079     }
1080 }
1081
1082
1083 /***********************************************************************
1084  * TrackMouseEvent [USER32]
1085  *
1086  * Requests notification of mouse events
1087  *
1088  * During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted
1089  * to the hwnd specified in the ptme structure.  After the event message
1090  * is posted to the hwnd, the entry in the queue is removed.
1091  *
1092  * If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely
1093  * ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted
1094  * immediately and the TME_LEAVE flag being ignored.
1095  *
1096  * PARAMS
1097  *     ptme [I,O] pointer to TRACKMOUSEEVENT information structure.
1098  *
1099  * RETURNS
1100  *     Success: non-zero
1101  *     Failure: zero
1102  *
1103  */
1104
1105 BOOL WINAPI
1106 TrackMouseEvent (TRACKMOUSEEVENT *ptme)
1107 {
1108     DWORD flags = 0;
1109     int i = 0;
1110     BOOL cancel = 0, hover = 0, leave = 0, query = 0, nonclient = 0, inclient = 0;
1111     HWND hwnd;
1112     POINT pos;
1113     RECT client;
1114
1115
1116     pos.x = 0;
1117     pos.y = 0;
1118     SetRectEmpty(&client);
1119
1120     TRACE("%lx, %lx, %p, %lx\n", ptme->cbSize, ptme->dwFlags, ptme->hwndTrack, ptme->dwHoverTime);
1121
1122     if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
1123         WARN("wrong TRACKMOUSEEVENT size from app\n");
1124         SetLastError(ERROR_INVALID_PARAMETER); /* FIXME not sure if this is correct */
1125         return FALSE;
1126     }
1127
1128     flags = ptme->dwFlags;
1129
1130     /* if HOVER_DEFAULT was specified replace this with the systems current value */
1131     if(ptme->dwHoverTime == HOVER_DEFAULT)
1132         SystemParametersInfoA(SPI_GETMOUSEHOVERTIME, 0, &(ptme->dwHoverTime), 0);
1133
1134     GetCursorPos(&pos);
1135     hwnd = WindowFromPoint(pos);
1136
1137     if ( flags & TME_CANCEL ) {
1138         flags &= ~ TME_CANCEL;
1139         cancel = 1;
1140     }
1141
1142     if ( flags & TME_HOVER  ) {
1143         flags &= ~ TME_HOVER;
1144         hover = 1;
1145     }
1146
1147     if ( flags & TME_LEAVE ) {
1148         flags &= ~ TME_LEAVE;
1149         leave = 1;
1150     }
1151
1152     if ( flags & TME_NONCLIENT ) {
1153         flags &= ~ TME_NONCLIENT;
1154         nonclient = 1;
1155     }
1156
1157     /* fill the TRACKMOUSEEVENT struct with the current tracking for the given hwnd */
1158     if ( flags & TME_QUERY ) {
1159         flags &= ~ TME_QUERY;
1160         query = 1;
1161         i = 0;
1162
1163         /* Find the tracking list entry with the matching hwnd */
1164         while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
1165             i++;
1166         }
1167
1168         /* hwnd found, fill in the ptme struct */
1169         if(i < iTrackMax)
1170             *ptme = TrackingList[i].tme;
1171         else
1172             ptme->dwFlags = 0;
1173
1174         return TRUE; /* return here, TME_QUERY is retrieving information */
1175     }
1176
1177     if ( flags )
1178         FIXME("Unknown flag(s) %08lx\n", flags );
1179
1180     if(cancel) {
1181         /* find a matching hwnd if one exists */
1182         i = 0;
1183
1184         while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
1185           i++;
1186         }
1187
1188         if(i < iTrackMax) {
1189             TrackingList[i].tme.dwFlags &= ~(ptme->dwFlags & ~TME_CANCEL);
1190
1191             /* if we aren't tracking on hover or leave remove this entry */
1192             if(!((TrackingList[i].tme.dwFlags & TME_HOVER) ||
1193                  (TrackingList[i].tme.dwFlags & TME_LEAVE)))
1194             {
1195                 TrackingList[i] = TrackingList[--iTrackMax];
1196
1197                 if(iTrackMax == 0) {
1198                     KillTimer(0, timer);
1199                     timer = 0;
1200                 }
1201             }
1202         }
1203     } else {
1204         /* see if hwndTrack isn't the current window */
1205         if(ptme->hwndTrack != hwnd) {
1206             if(leave) {
1207                 if(nonclient) {
1208                     PostMessageA(ptme->hwndTrack, WM_NCMOUSELEAVE, 0, 0);
1209                 }
1210                 else {
1211                     PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
1212                 }
1213             }
1214         } else {
1215             GetClientRect(ptme->hwndTrack, &client);
1216             MapWindowPoints(ptme->hwndTrack, NULL, (LPPOINT)&client, 2);
1217             if(PtInRect(&client, pos)) {
1218                 inclient = 1;
1219             }
1220             if(nonclient && inclient) {
1221                 PostMessageA(ptme->hwndTrack, WM_NCMOUSELEAVE, 0, 0);
1222                 return TRUE;
1223             }
1224             else if(!nonclient && !inclient) {
1225                 PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
1226                 return TRUE;
1227             }
1228
1229             /* See if this hwnd is already being tracked and update the tracking flags */
1230             for(i = 0; i < iTrackMax; i++) {
1231                 if(TrackingList[i].tme.hwndTrack == ptme->hwndTrack) {
1232                     TrackingList[i].tme.dwFlags = 0;
1233
1234                     if(hover) {
1235                         TrackingList[i].tme.dwFlags |= TME_HOVER;
1236                         TrackingList[i].tme.dwHoverTime = ptme->dwHoverTime;
1237                     }
1238
1239                     if(leave)
1240                         TrackingList[i].tme.dwFlags |= TME_LEAVE;
1241
1242                     if(nonclient)
1243                         TrackingList[i].tme.dwFlags |= TME_NONCLIENT;
1244
1245                     /* reset iHoverTime as per winapi specs */
1246                     TrackingList[i].iHoverTime = 0;
1247
1248                     return TRUE;
1249                 }
1250             }
1251
1252             /* if the tracking list is full return FALSE */
1253             if (iTrackMax == sizeof (TrackingList) / sizeof(*TrackingList)) {
1254                 return FALSE;
1255             }
1256
1257             /* Adding new mouse event to the tracking list */
1258             TrackingList[iTrackMax].tme = *ptme;
1259
1260             /* Initialize HoverInfo variables even if not hover tracking */
1261             TrackingList[iTrackMax].iHoverTime = 0;
1262             TrackingList[iTrackMax].pos = pos;
1263
1264             iTrackMax++;
1265
1266             if (!timer) {
1267                 timer = SetTimer(0, 0, iTimerInterval, TrackMouseEventProc);
1268             }
1269         }
1270     }
1271
1272     return TRUE;
1273 }