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