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  *              OemKeyScan (USER32.@)
 694  */
 695 DWORD WINAPI OemKeyScan(WORD wOemChar)
 696 {
 697     TRACE("(%d)\n", wOemChar);
 698     return wOemChar;
 699 }
 700
 701 /******************************************************************************
 702  *              GetKeyboardType (USER32.@)
 703  */
 704 INT WINAPI GetKeyboardType(INT nTypeFlag)
 705 {
 706     TRACE_(keyboard)("(%d)\n", nTypeFlag);
 707     switch(nTypeFlag)
 708     {
 709     case 0:      /* Keyboard type */
 710         return 4;    /* AT-101 */
 711     case 1:      /* Keyboard Subtype */
 712         return 0;    /* There are no defined subtypes */
 713     case 2:      /* Number of F-keys */
 714         return 12;   /* We're doing an 101 for now, so return 12 F-keys */
 715     default:
 716         WARN_(keyboard)("Unknown type\n");
 717         return 0;    /* The book says 0 here, so 0 */
 718     }
 719 }
 720
 721 /******************************************************************************
 722  *              MapVirtualKeyA (USER32.@)
 723  */
 724 UINT WINAPI MapVirtualKeyA(UINT code, UINT maptype)
 725 {
 726     return MapVirtualKeyExA( code, maptype, GetKeyboardLayout(0) );
 727 }
 728
 729 /******************************************************************************
 730  *              MapVirtualKeyW (USER32.@)
 731  */
 732 UINT WINAPI MapVirtualKeyW(UINT code, UINT maptype)
 733 {
 734     return MapVirtualKeyExW(code, maptype, GetKeyboardLayout(0));
 735 }
 736
 737 /******************************************************************************
 738  *              MapVirtualKeyExA (USER32.@)
 739  */
 740 UINT WINAPI MapVirtualKeyExA(UINT code, UINT maptype, HKL hkl)
 741 {
 742     return MapVirtualKeyExW(code, maptype, hkl);
 743 }
 744
 745 /******************************************************************************
 746  *              MapVirtualKeyExW (USER32.@)
 747  */
 748 UINT WINAPI MapVirtualKeyExW(UINT code, UINT maptype, HKL hkl)
 749 {
 750     TRACE_(keyboard)("(%d, %d, %p)\n", code, maptype, hkl);
 751
 752     if (USER_Driver.pMapVirtualKeyEx)
 753         return USER_Driver.pMapVirtualKeyEx(code, maptype, hkl);
 754     return 0;
 755 }
 756
 757 /****************************************************************************
 758  *              GetKBCodePage (USER32.@)
 759  */
 760 UINT WINAPI GetKBCodePage(void)
 761 {
 762     return GetOEMCP();
 763 }
 764
 765 /****************************************************************************
 766  *              GetKeyboardLayoutName (USER.477)
 767  */
 768 INT16 WINAPI GetKeyboardLayoutName16(LPSTR pwszKLID)
 769 {
 770         return GetKeyboardLayoutNameA(pwszKLID);
 771 }
 772
 773 /***********************************************************************
 774  *              GetKeyboardLayout (USER32.@)
 775  *
 776  *        - device handle for keyboard layout defaulted to
 777  *          the language id. This is the way Windows default works.
 778  *        - the thread identifier (dwLayout) is also ignored.
 779  */
 780 HKL WINAPI GetKeyboardLayout(DWORD dwLayout)
 781 {
 782     if (USER_Driver.pGetKeyboardLayout)
 783         return USER_Driver.pGetKeyboardLayout(dwLayout);
 784     return 0;
 785 }
 786
 787 /****************************************************************************
 788  *              GetKeyboardLayoutNameA (USER32.@)
 789  */
 790 BOOL WINAPI GetKeyboardLayoutNameA(LPSTR pszKLID)
 791 {
 792     WCHAR buf[KL_NAMELENGTH];
 793
 794     if (GetKeyboardLayoutNameW(buf))
 795         return WideCharToMultiByte( CP_ACP, 0, buf, -1, pszKLID, KL_NAMELENGTH, NULL, NULL ) != 0;
 796     return FALSE;
 797 }
 798
 799 /****************************************************************************
 800  *              GetKeyboardLayoutNameW (USER32.@)
 801  */
 802 BOOL WINAPI GetKeyboardLayoutNameW(LPWSTR pwszKLID)
 803 {
 804     if (USER_Driver.pGetKeyboardLayoutName)
 805         return USER_Driver.pGetKeyboardLayoutName(pwszKLID);
 806     return FALSE;
 807 }
 808
 809 /****************************************************************************
 810  *              GetKeyNameTextA (USER32.@)
 811  */
 812 INT WINAPI GetKeyNameTextA(LONG lParam, LPSTR lpBuffer, INT nSize)
 813 {
 814     WCHAR buf[256];
 815     INT ret;
 816
 817     if (!GetKeyNameTextW(lParam, buf, 256))
 818         return 0;
 819     ret = WideCharToMultiByte(CP_ACP, 0, buf, -1, lpBuffer, nSize, NULL, NULL);
 820     if (!ret && nSize)
 821     {
 822         ret = nSize - 1;
 823         lpBuffer[ret] = 0;
 824     }
 825     return ret;
 826 }
 827
 828 /****************************************************************************
 829  *              GetKeyNameTextW (USER32.@)
 830  */
 831 INT WINAPI GetKeyNameTextW(LONG lParam, LPWSTR lpBuffer, INT nSize)
 832 {
 833     if (USER_Driver.pGetKeyNameText)
 834         return USER_Driver.pGetKeyNameText( lParam, lpBuffer, nSize );
 835     return 0;
 836 }
 837
 838 /****************************************************************************
 839  *              ToUnicode (USER32.@)
 840  */
 841 INT WINAPI ToUnicode(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 842                      LPWSTR lpwStr, int size, UINT flags)
 843 {
 844     return ToUnicodeEx(virtKey, scanCode, lpKeyState, lpwStr, size, flags, GetKeyboardLayout(0));
 845 }
 846
 847 /****************************************************************************
 848  *              ToUnicodeEx (USER32.@)
 849  */
 850 INT WINAPI ToUnicodeEx(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 851                        LPWSTR lpwStr, int size, UINT flags, HKL hkl)
 852 {
 853     if (USER_Driver.pToUnicodeEx)
 854         return USER_Driver.pToUnicodeEx(virtKey, scanCode, lpKeyState, lpwStr, size, flags, hkl);
 855     return 0;
 856 }
 857
 858 /****************************************************************************
 859  *              ToAscii (USER32.@)
 860  */
 861 INT WINAPI ToAscii( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 862                     LPWORD lpChar, UINT flags )
 863 {
 864     return ToAsciiEx(virtKey, scanCode, lpKeyState, lpChar, flags, GetKeyboardLayout(0));
 865 }
 866
 867 /****************************************************************************
 868  *              ToAsciiEx (USER32.@)
 869  */
 870 INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 871                       LPWORD lpChar, UINT flags, HKL dwhkl )
 872 {
 873     WCHAR uni_chars[2];
 874     INT ret, n_ret;
 875
 876     ret = ToUnicodeEx(virtKey, scanCode, lpKeyState, uni_chars, 2, flags, dwhkl);
 877     if (ret < 0) n_ret = 1; /* FIXME: make ToUnicode return 2 for dead chars */
 878     else n_ret = ret;
 879     WideCharToMultiByte(CP_ACP, 0, uni_chars, n_ret, (LPSTR)lpChar, 2, NULL, NULL);
 880     return ret;
 881 }
 882
 883 /**********************************************************************
 884  *              ActivateKeyboardLayout (USER32.@)
 885  */
 886 HKL WINAPI ActivateKeyboardLayout(HKL hLayout, UINT flags)
 887 {
 888     TRACE_(keyboard)("(%p, %d)\n", hLayout, flags);
 889
 890     if (USER_Driver.pActivateKeyboardLayout)
 891         return USER_Driver.pActivateKeyboardLayout(hLayout, flags);
 892     return 0;
 893 }
 894
 895
 896 /***********************************************************************
 897  *              GetKeyboardLayoutList (USER32.@)
 898  *
 899  * Return number of values available if either input parm is
 900  *  0, per MS documentation.
 901  */
 902 UINT WINAPI GetKeyboardLayoutList(INT nBuff, HKL *layouts)
 903 {
 904     TRACE_(keyboard)("(%d,%p)\n",nBuff,layouts);
 905
 906     if (USER_Driver.pGetKeyboardLayoutList)
 907         return USER_Driver.pGetKeyboardLayoutList(nBuff, layouts);
 908     return 0;
 909 }
 910
 911
 912 /***********************************************************************
 913  *              RegisterHotKey (USER32.@)
 914  */
 915 BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk) {
 916         FIXME_(keyboard)("(%p,%d,0x%08x,%d): stub\n",hwnd,id,modifiers,vk);
 917         return TRUE;
 918 }
 919
 920 /***********************************************************************
 921  *              UnregisterHotKey (USER32.@)
 922  */
 923 BOOL WINAPI UnregisterHotKey(HWND hwnd,INT id) {
 924         FIXME_(keyboard)("(%p,%d): stub\n",hwnd,id);
 925         return TRUE;
 926 }
 927
 928 /***********************************************************************
 929  *              LoadKeyboardLayoutW (USER32.@)
 930  */
 931 HKL WINAPI LoadKeyboardLayoutW(LPCWSTR pwszKLID, UINT Flags)
 932 {
 933     TRACE_(keyboard)("(%s, %d)\n", debugstr_w(pwszKLID), Flags);
 934
 935     if (USER_Driver.pLoadKeyboardLayout)
 936         return USER_Driver.pLoadKeyboardLayout(pwszKLID, Flags);
 937     return 0;
 938 }
 939
 940 /***********************************************************************
 941  *              LoadKeyboardLayoutA (USER32.@)
 942  */
 943 HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
 944 {
 945     HKL ret;
 946     UNICODE_STRING pwszKLIDW;
 947
 948     if (pwszKLID) RtlCreateUnicodeStringFromAsciiz(&pwszKLIDW, pwszKLID);
 949     else pwszKLIDW.Buffer = NULL;
 950
 951     ret = LoadKeyboardLayoutW(pwszKLIDW.Buffer, Flags);
 952     RtlFreeUnicodeString(&pwszKLIDW);
 953     return ret;
 954 }
 955
 956
 957 /***********************************************************************
 958  *              UnloadKeyboardLayout (USER32.@)
 959  */
 960 BOOL WINAPI UnloadKeyboardLayout(HKL hkl)
 961 {
 962     TRACE_(keyboard)("(%p)\n", hkl);
 963
 964     if (USER_Driver.pUnloadKeyboardLayout)
 965         return USER_Driver.pUnloadKeyboardLayout(hkl);
 966     return 0;
 967 }
 968
 969 typedef struct __TRACKINGLIST {
 970     TRACKMOUSEEVENT tme;
 971     POINT pos; /* center of hover rectangle */
 972     INT iHoverTime; /* elapsed time the cursor has been inside of the hover rect */
 973 } _TRACKINGLIST;
 974
 975 static _TRACKINGLIST TrackingList[10];
 976 static int iTrackMax = 0;
 977 static UINT_PTR timer;
 978 static const INT iTimerInterval = 50; /* msec for timer interval */
 979
 980 static void CALLBACK TrackMouseEventProc(HWND hwndUnused, UINT uMsg, UINT_PTR idEvent,
 981     DWORD dwTime)
 982 {
 983     int i = 0;
 984     POINT pos;
 985     POINT posClient;
 986     HWND hwnd;
 987     INT nonclient;
 988     INT hoverwidth = 0, hoverheight = 0;
 989     RECT client;
 990
 991     GetCursorPos(&pos);
 992     hwnd = WindowFromPoint(pos);
 993
 994     SystemParametersInfoA(SPI_GETMOUSEHOVERWIDTH, 0, &hoverwidth, 0);
 995     SystemParametersInfoA(SPI_GETMOUSEHOVERHEIGHT, 0, &hoverheight, 0);
 996
 997     /* loop through tracking events we are processing */
 998     while (i < iTrackMax) {
 999         if (TrackingList[i].tme.dwFlags & TME_NONCLIENT) {
1000             nonclient = 1;
1001         }
1002         else {
1003             nonclient = 0;
1004         }
1005
1006         /* see if this tracking event is looking for TME_LEAVE and that the */
1007         /* mouse has left the window */
1008         if (TrackingList[i].tme.dwFlags & TME_LEAVE) {
1009             if (TrackingList[i].tme.hwndTrack != hwnd) {
1010                 if (nonclient) {
1011                     PostMessageA(TrackingList[i].tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
1012                 }
1013                 else {
1014                     PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
1015                 }
1016
1017                 /* remove the TME_LEAVE flag */
1018                 TrackingList[i].tme.dwFlags ^= TME_LEAVE;
1019             }
1020             else {
1021                 GetClientRect(hwnd, &client);
1022                 MapWindowPoints(hwnd, NULL, (LPPOINT)&client, 2);
1023                 if(PtInRect(&client, pos)) {
1024                     if (nonclient) {
1025                         PostMessageA(TrackingList[i].tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
1026                         /* remove the TME_LEAVE flag */
1027                         TrackingList[i].tme.dwFlags ^= TME_LEAVE;
1028                     }
1029                 }
1030                 else {
1031                     if (!nonclient) {
1032                         PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
1033                         /* remove the TME_LEAVE flag */
1034                         TrackingList[i].tme.dwFlags ^= TME_LEAVE;
1035                     }
1036                 }
1037             }
1038         }
1039
1040         /* see if we are tracking hovering for this hwnd */
1041         if(TrackingList[i].tme.dwFlags & TME_HOVER) {
1042             /* add the timer interval to the hovering time */
1043             TrackingList[i].iHoverTime+=iTimerInterval;
1044
1045             /* has the cursor moved outside the rectangle centered around pos? */
1046             if((abs(pos.x - TrackingList[i].pos.x) > (hoverwidth / 2.0))
1047               || (abs(pos.y - TrackingList[i].pos.y) > (hoverheight / 2.0)))
1048             {
1049                 /* record this new position as the current position and reset */
1050                 /* the iHoverTime variable to 0 */
1051                 TrackingList[i].pos = pos;
1052                 TrackingList[i].iHoverTime = 0;
1053             }
1054
1055             /* has the mouse hovered long enough? */
1056             if(TrackingList[i].iHoverTime <= TrackingList[i].tme.dwHoverTime)
1057             {
1058                 posClient.x = pos.x;
1059                 posClient.y = pos.y;
1060                 ScreenToClient(hwnd, &posClient);
1061                 if (nonclient) {
1062                     PostMessageW(TrackingList[i].tme.hwndTrack, WM_NCMOUSEHOVER,
1063                                 get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
1064                 }
1065                 else {
1066                     PostMessageW(TrackingList[i].tme.hwndTrack, WM_MOUSEHOVER,
1067                                 get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
1068                 }
1069
1070                 /* stop tracking mouse hover */
1071                 TrackingList[i].tme.dwFlags ^= TME_HOVER;
1072             }
1073         }
1074
1075         /* see if we are still tracking TME_HOVER or TME_LEAVE for this entry */
1076         if((TrackingList[i].tme.dwFlags & TME_HOVER) ||
1077            (TrackingList[i].tme.dwFlags & TME_LEAVE)) {
1078             i++;
1079         } else { /* remove this entry from the tracking list */
1080             TrackingList[i] = TrackingList[--iTrackMax];
1081         }
1082     }
1083
1084     /* stop the timer if the tracking list is empty */
1085     if(iTrackMax == 0) {
1086         KillTimer(0, timer);
1087         timer = 0;
1088     }
1089 }
1090
1091
1092 /***********************************************************************
1093  * TrackMouseEvent [USER32]
1094  *
1095  * Requests notification of mouse events
1096  *
1097  * During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted
1098  * to the hwnd specified in the ptme structure.  After the event message
1099  * is posted to the hwnd, the entry in the queue is removed.
1100  *
1101  * If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely
1102  * ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted
1103  * immediately and the TME_LEAVE flag being ignored.
1104  *
1105  * PARAMS
1106  *     ptme [I,O] pointer to TRACKMOUSEEVENT information structure.
1107  *
1108  * RETURNS
1109  *     Success: non-zero
1110  *     Failure: zero
1111  *
1112  */
1113
1114 BOOL WINAPI
1115 TrackMouseEvent (TRACKMOUSEEVENT *ptme)
1116 {
1117     DWORD flags = 0;
1118     int i = 0;
1119     BOOL cancel = 0, hover = 0, leave = 0, query = 0, nonclient = 0, inclient = 0;
1120     HWND hwnd;
1121     POINT pos;
1122     RECT client;
1123
1124
1125     pos.x = 0;
1126     pos.y = 0;
1127     SetRectEmpty(&client);
1128
1129     TRACE("%lx, %lx, %p, %lx\n", ptme->cbSize, ptme->dwFlags, ptme->hwndTrack, ptme->dwHoverTime);
1130
1131     if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
1132         WARN("wrong TRACKMOUSEEVENT size from app\n");
1133         SetLastError(ERROR_INVALID_PARAMETER); /* FIXME not sure if this is correct */
1134         return FALSE;
1135     }
1136
1137     flags = ptme->dwFlags;
1138
1139     /* if HOVER_DEFAULT was specified replace this with the systems current value */
1140     if(ptme->dwHoverTime == HOVER_DEFAULT)
1141         SystemParametersInfoA(SPI_GETMOUSEHOVERTIME, 0, &(ptme->dwHoverTime), 0);
1142
1143     GetCursorPos(&pos);
1144     hwnd = WindowFromPoint(pos);
1145
1146     if ( flags & TME_CANCEL ) {
1147         flags &= ~ TME_CANCEL;
1148         cancel = 1;
1149     }
1150
1151     if ( flags & TME_HOVER  ) {
1152         flags &= ~ TME_HOVER;
1153         hover = 1;
1154     }
1155
1156     if ( flags & TME_LEAVE ) {
1157         flags &= ~ TME_LEAVE;
1158         leave = 1;
1159     }
1160
1161     if ( flags & TME_NONCLIENT ) {
1162         flags &= ~ TME_NONCLIENT;
1163         nonclient = 1;
1164     }
1165
1166     /* fill the TRACKMOUSEEVENT struct with the current tracking for the given hwnd */
1167     if ( flags & TME_QUERY ) {
1168         flags &= ~ TME_QUERY;
1169         query = 1;
1170         i = 0;
1171
1172         /* Find the tracking list entry with the matching hwnd */
1173         while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
1174             i++;
1175         }
1176
1177         /* hwnd found, fill in the ptme struct */
1178         if(i < iTrackMax)
1179             *ptme = TrackingList[i].tme;
1180         else
1181             ptme->dwFlags = 0;
1182
1183         return TRUE; /* return here, TME_QUERY is retrieving information */
1184     }
1185
1186     if ( flags )
1187         FIXME("Unknown flag(s) %08lx\n", flags );
1188
1189     if(cancel) {
1190         /* find a matching hwnd if one exists */
1191         i = 0;
1192
1193         while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
1194           i++;
1195         }
1196
1197         if(i < iTrackMax) {
1198             TrackingList[i].tme.dwFlags &= ~(ptme->dwFlags & ~TME_CANCEL);
1199
1200             /* if we aren't tracking on hover or leave remove this entry */
1201             if(!((TrackingList[i].tme.dwFlags & TME_HOVER) ||
1202                  (TrackingList[i].tme.dwFlags & TME_LEAVE)))
1203             {
1204                 TrackingList[i] = TrackingList[--iTrackMax];
1205
1206                 if(iTrackMax == 0) {
1207                     KillTimer(0, timer);
1208                     timer = 0;
1209                 }
1210             }
1211         }
1212     } else {
1213         /* see if hwndTrack isn't the current window */
1214         if(ptme->hwndTrack != hwnd) {
1215             if(leave) {
1216                 if(nonclient) {
1217                     PostMessageA(ptme->hwndTrack, WM_NCMOUSELEAVE, 0, 0);
1218                 }
1219                 else {
1220                     PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
1221                 }
1222             }
1223         } else {
1224             GetClientRect(ptme->hwndTrack, &client);
1225             MapWindowPoints(ptme->hwndTrack, NULL, (LPPOINT)&client, 2);
1226             if(PtInRect(&client, pos)) {
1227                 inclient = 1;
1228             }
1229             if(nonclient && inclient) {
1230                 PostMessageA(ptme->hwndTrack, WM_NCMOUSELEAVE, 0, 0);
1231                 return TRUE;
1232             }
1233             else if(!nonclient && !inclient) {
1234                 PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
1235                 return TRUE;
1236             }
1237
1238             /* See if this hwnd is already being tracked and update the tracking flags */
1239             for(i = 0; i < iTrackMax; i++) {
1240                 if(TrackingList[i].tme.hwndTrack == ptme->hwndTrack) {
1241                     TrackingList[i].tme.dwFlags = 0;
1242
1243                     if(hover) {
1244                         TrackingList[i].tme.dwFlags |= TME_HOVER;
1245                         TrackingList[i].tme.dwHoverTime = ptme->dwHoverTime;
1246                     }
1247
1248                     if(leave)
1249                         TrackingList[i].tme.dwFlags |= TME_LEAVE;
1250
1251                     if(nonclient)
1252                         TrackingList[i].tme.dwFlags |= TME_NONCLIENT;
1253
1254                     /* reset iHoverTime as per winapi specs */
1255                     TrackingList[i].iHoverTime = 0;
1256
1257                     return TRUE;
1258                 }
1259             }
1260
1261             /* if the tracking list is full return FALSE */
1262             if (iTrackMax == sizeof (TrackingList) / sizeof(*TrackingList)) {
1263                 return FALSE;
1264             }
1265
1266             /* Adding new mouse event to the tracking list */
1267             TrackingList[iTrackMax].tme = *ptme;
1268
1269             /* Initialize HoverInfo variables even if not hover tracking */
1270             TrackingList[iTrackMax].iHoverTime = 0;
1271             TrackingList[iTrackMax].pos = pos;
1272
1273             iTrackMax++;
1274
1275             if (!timer) {
1276                 timer = SetTimer(0, 0, iTimerInterval, TrackMouseEventProc);
1277             }
1278         }
1279     }
1280
1281     return TRUE;
1282 }