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 "hook.h"
  41 #include "input.h"
  42 #include "message.h"
  43 #include "queue.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     = (void *)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_CallHooksW( WH_KEYBOARD_LL, HC_ACTION, message, (LPARAM)&hook ))
 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_CallHooksW( WH_MOUSE_LL, HC_ACTION, message, (LPARAM)&hook ))
 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, DWORD 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 (AH_reg(context) & 0x80) dwFlags |= KEYEVENTF_KEYUP;
 373     if (BH_reg(context) & 1   ) dwFlags |= KEYEVENTF_EXTENDEDKEY;
 374
 375     keybd_event( AL_reg(context), BL_reg(context),
 376                  dwFlags, MAKELONG(SI_reg(context), DI_reg(context)) );
 377 }
 378
 379
 380 /***********************************************************************
 381  *              mouse_event (USER32.@)
 382  */
 383 void WINAPI mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
 384                          DWORD dwData, DWORD 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( AX_reg(context), BX_reg(context), CX_reg(context),
 405                  DX_reg(context), MAKELONG(SI_reg(context), DI_reg(context)) );
 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  *              SetCursorPos (USER.70)
 481  */
 482 void WINAPI SetCursorPos16( INT16 x, INT16 y )
 483 {
 484     SetCursorPos( x, y );
 485 }
 486
 487
 488 /***********************************************************************
 489  *              SetCursorPos (USER32.@)
 490  */
 491 BOOL WINAPI SetCursorPos( INT x, INT y )
 492 {
 493     if (USER_Driver.pSetCursorPos) USER_Driver.pSetCursorPos( x, y );
 494     PosX = x;
 495     PosY = y;
 496     return TRUE;
 497 }
 498
 499
 500 /**********************************************************************
 501  *              EVENT_Capture
 502  *
 503  * We need this to be able to generate double click messages
 504  * when menu code captures mouse in the window without CS_DBLCLK style.
 505  */
 506 HWND EVENT_Capture(HWND hwnd, INT16 ht)
 507 {
 508     HWND capturePrev = 0, captureWnd = 0;
 509     MESSAGEQUEUE *pMsgQ = 0, *pCurMsgQ = 0;
 510     WND* wndPtr = 0;
 511     INT16 captureHT = 0;
 512
 513     capturePrev = GetCapture();
 514
 515     if (!hwnd)
 516     {
 517         captureWnd = 0;
 518         captureHT = 0;
 519     }
 520     else
 521     {
 522         wndPtr = WIN_FindWndPtr( hwnd );
 523         if (wndPtr)
 524         {
 525             TRACE_(win)("(0x%04x)\n", hwnd );
 526             captureWnd   = wndPtr->hwndSelf;
 527             captureHT    = ht;
 528         }
 529     }
 530
 531     /* Get the messageQ for the current thread */
 532     if (!(pCurMsgQ = QUEUE_Current()))
 533     {
 534         WARN_(win)("\tCurrent message queue not found. Exiting!\n" );
 535         goto CLEANUP;
 536     }
 537
 538     /* Update the perQ capture window and send messages */
 539     if( capturePrev != captureWnd )
 540     {
 541         if (wndPtr)
 542         {
 543             /* Retrieve the message queue associated with this window */
 544             pMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( wndPtr->hmemTaskQ );
 545             if ( !pMsgQ )
 546             {
 547                 WARN_(win)("\tMessage queue not found. Exiting!\n" );
 548                 goto CLEANUP;
 549             }
 550
 551             /* Make sure that message queue for the window we are setting capture to
 552              * shares the same perQ data as the current threads message queue.
 553              */
 554             if ( pCurMsgQ->pQData != pMsgQ->pQData )
 555                 goto CLEANUP;
 556         }
 557
 558         PERQDATA_SetCaptureWnd( captureWnd, captureHT );
 559         if (capturePrev) SendMessageA( capturePrev, WM_CAPTURECHANGED, 0, (LPARAM)hwnd );
 560     }
 561
 562 CLEANUP:
 563     /* Unlock the queues before returning */
 564     if ( pMsgQ )
 565         QUEUE_Unlock( pMsgQ );
 566
 567     WIN_ReleaseWndPtr(wndPtr);
 568     return capturePrev;
 569 }
 570
 571
 572 /**********************************************************************
 573  *              SetCapture (USER32.@)
 574  */
 575 HWND WINAPI SetCapture( HWND hwnd )
 576 {
 577     return EVENT_Capture( hwnd, HTCLIENT );
 578 }
 579
 580
 581 /**********************************************************************
 582  *              ReleaseCapture (USER32.@)
 583  */
 584 BOOL WINAPI ReleaseCapture(void)
 585 {
 586     return (EVENT_Capture( 0, 0 ) != 0);
 587 }
 588
 589
 590 /**********************************************************************
 591  *              GetCapture (USER32.@)
 592  */
 593 HWND WINAPI GetCapture(void)
 594 {
 595     INT hittest;
 596     return PERQDATA_GetCaptureWnd( &hittest );
 597 }
 598
 599 /**********************************************************************
 600  *              GetAsyncKeyState (USER32.@)
 601  *
 602  *      Determine if a key is or was pressed.  retval has high-order
 603  * bit set to 1 if currently pressed, low-order bit set to 1 if key has
 604  * been pressed.
 605  *
 606  *      This uses the variable AsyncMouseButtonsStates and
 607  * AsyncKeyStateTable (set in event.c) which have the mouse button
 608  * number or key number (whichever is applicable) set to true if the
 609  * mouse or key had been depressed since the last call to
 610  * GetAsyncKeyState.
 611  */
 612 SHORT WINAPI GetAsyncKeyState(INT nKey)
 613 {
 614     SHORT retval = ((AsyncKeyStateTable[nKey] & 0x80) ? 0x0001 : 0) |
 615                    ((InputKeyStateTable[nKey] & 0x80) ? 0x8000 : 0);
 616     AsyncKeyStateTable[nKey] = 0;
 617     TRACE_(key)("(%x) -> %x\n", nKey, retval);
 618     return retval;
 619 }
 620
 621 /**********************************************************************
 622  *              GetAsyncKeyState (USER.249)
 623  */
 624 INT16 WINAPI GetAsyncKeyState16(INT16 nKey)
 625 {
 626     return GetAsyncKeyState(nKey);
 627 }
 628
 629 /***********************************************************************
 630  *              IsUserIdle (USER.333)
 631  */
 632 BOOL16 WINAPI IsUserIdle16(void)
 633 {
 634     if ( GetAsyncKeyState( VK_LBUTTON ) & 0x8000 )
 635         return FALSE;
 636
 637     if ( GetAsyncKeyState( VK_RBUTTON ) & 0x8000 )
 638         return FALSE;
 639
 640     if ( GetAsyncKeyState( VK_MBUTTON ) & 0x8000 )
 641         return FALSE;
 642
 643     /* Should check for screen saver activation here ... */
 644
 645     return TRUE;
 646 }
 647
 648 /**********************************************************************
 649  *              VkKeyScanA (USER32.@)
 650  *
 651  * VkKeyScan translates an ANSI character to a virtual-key and shift code
 652  * for the current keyboard.
 653  * high-order byte yields :
 654  *      0       Unshifted
 655  *      1       Shift
 656  *      2       Ctrl
 657  *      3-5     Shift-key combinations that are not used for characters
 658  *      6       Ctrl-Alt
 659  *      7       Ctrl-Alt-Shift
 660  *      I.e. :  Shift = 1, Ctrl = 2, Alt = 4.
 661  * FIXME : works ok except for dead chars :
 662  * VkKeyScan '^'(0x5e, 94) ... got keycode 00 ... returning 00
 663  * VkKeyScan '`'(0x60, 96) ... got keycode 00 ... returning 00
 664  */
 665 WORD WINAPI VkKeyScanA(CHAR cChar)
 666 {
 667     return USER_Driver.pVkKeyScan( cChar );
 668 }
 669
 670 /******************************************************************************
 671  *              VkKeyScanW (USER32.@)
 672  */
 673 WORD WINAPI VkKeyScanW(WCHAR cChar)
 674 {
 675         return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 676 }
 677
 678 /**********************************************************************
 679  *              VkKeyScanExA (USER32.@)
 680  */
 681 WORD WINAPI VkKeyScanExA(CHAR cChar, HKL dwhkl)
 682 {
 683     /* FIXME: complete workaround this is */
 684     return VkKeyScanA(cChar);
 685 }
 686
 687 /******************************************************************************
 688  *              VkKeyScanExW (USER32.@)
 689  */
 690 WORD WINAPI VkKeyScanExW(WCHAR cChar, HKL dwhkl)
 691 {
 692     /* FIXME: complete workaround this is */
 693     return VkKeyScanA((CHAR)cChar); /* FIXME: check unicode */
 694 }
 695
 696 /******************************************************************************
 697  *              GetKeyboardType (USER32.@)
 698  */
 699 INT WINAPI GetKeyboardType(INT nTypeFlag)
 700 {
 701     TRACE_(keyboard)("(%d)\n", nTypeFlag);
 702     switch(nTypeFlag)
 703     {
 704     case 0:      /* Keyboard type */
 705         return 4;    /* AT-101 */
 706     case 1:      /* Keyboard Subtype */
 707         return 0;    /* There are no defined subtypes */
 708     case 2:      /* Number of F-keys */
 709         return 12;   /* We're doing an 101 for now, so return 12 F-keys */
 710     default:
 711         WARN_(keyboard)("Unknown type\n");
 712         return 0;    /* The book says 0 here, so 0 */
 713     }
 714 }
 715
 716 /******************************************************************************
 717  *              MapVirtualKeyA (USER32.@)
 718  */
 719 UINT WINAPI MapVirtualKeyA(UINT code, UINT maptype)
 720 {
 721     return USER_Driver.pMapVirtualKey( code, maptype );
 722 }
 723
 724 /******************************************************************************
 725  *              MapVirtualKeyW (USER32.@)
 726  */
 727 UINT WINAPI MapVirtualKeyW(UINT code, UINT maptype)
 728 {
 729     return MapVirtualKeyA(code,maptype);
 730 }
 731
 732 /******************************************************************************
 733  *              MapVirtualKeyExA (USER32.@)
 734  */
 735 UINT WINAPI MapVirtualKeyExA(UINT code, UINT maptype, HKL hkl)
 736 {
 737     if (hkl)
 738         FIXME_(keyboard)("(%d,%d,0x%08lx), hkl unhandled!\n",code,maptype,(DWORD)hkl);
 739     return MapVirtualKeyA(code,maptype);
 740 }
 741
 742 /******************************************************************************
 743  *              MapVirtualKeyExW (USER32.@)
 744  */
 745 UINT WINAPI MapVirtualKeyExW(UINT code, UINT maptype, HKL hkl)
 746 {
 747     if (hkl)
 748         FIXME_(keyboard)("(%d,%d,0x%08lx), hkl unhandled!\n",code,maptype,(DWORD)hkl);
 749     return MapVirtualKeyA(code,maptype);
 750 }
 751
 752 /****************************************************************************
 753  *              GetKBCodePage (USER32.@)
 754  */
 755 UINT WINAPI GetKBCodePage(void)
 756 {
 757     return GetOEMCP();
 758 }
 759
 760 /****************************************************************************
 761  *              GetKeyboardLayoutName (USER.477)
 762  */
 763 INT16 WINAPI GetKeyboardLayoutName16(LPSTR pwszKLID)
 764 {
 765         return GetKeyboardLayoutNameA(pwszKLID);
 766 }
 767
 768 /***********************************************************************
 769  *              GetKeyboardLayout (USER32.@)
 770  *
 771  * FIXME: - device handle for keyboard layout defaulted to
 772  *          the language id. This is the way Windows default works.
 773  *        - the thread identifier (dwLayout) is also ignored.
 774  */
 775 HKL WINAPI GetKeyboardLayout(DWORD dwLayout)
 776 {
 777         HKL layout;
 778         layout = GetSystemDefaultLCID(); /* FIXME */
 779         layout |= (layout<<16);          /* FIXME */
 780         TRACE_(keyboard)("returning %08x\n",layout);
 781         return layout;
 782 }
 783
 784 /****************************************************************************
 785  *              GetKeyboardLayoutNameA (USER32.@)
 786  */
 787 INT WINAPI GetKeyboardLayoutNameA(LPSTR pwszKLID)
 788 {
 789         sprintf(pwszKLID, "%08x",GetKeyboardLayout(0));
 790         return 1;
 791 }
 792
 793 /****************************************************************************
 794  *              GetKeyboardLayoutNameW (USER32.@)
 795  */
 796 INT WINAPI GetKeyboardLayoutNameW(LPWSTR pwszKLID)
 797 {
 798         char buf[KL_NAMELENGTH];
 799         int res = GetKeyboardLayoutNameA(buf);
 800         MultiByteToWideChar( CP_ACP, 0, buf, -1, pwszKLID, KL_NAMELENGTH );
 801         return res;
 802 }
 803
 804 /****************************************************************************
 805  *              GetKeyNameTextA (USER32.@)
 806  */
 807 INT WINAPI GetKeyNameTextA(LONG lParam, LPSTR lpBuffer, INT nSize)
 808 {
 809     return USER_Driver.pGetKeyNameText( lParam, lpBuffer, nSize );
 810 }
 811
 812 /****************************************************************************
 813  *              GetKeyNameTextW (USER32.@)
 814  */
 815 INT WINAPI GetKeyNameTextW(LONG lParam, LPWSTR lpBuffer, INT nSize)
 816 {
 817         int res;
 818         LPSTR buf = HeapAlloc( GetProcessHeap(), 0, nSize );
 819         if(buf == NULL) return 0; /* FIXME: is this the correct failure value?*/
 820         res = GetKeyNameTextA(lParam,buf,nSize);
 821
 822         if (nSize > 0 && !MultiByteToWideChar( CP_ACP, 0, buf, -1, lpBuffer, nSize ))
 823             lpBuffer[nSize-1] = 0;
 824         HeapFree( GetProcessHeap(), 0, buf );
 825         return res;
 826 }
 827
 828 /****************************************************************************
 829  *              ToUnicode (USER32.@)
 830  */
 831 INT WINAPI ToUnicode(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 832                      LPWSTR lpwStr, int size, UINT flags)
 833 {
 834     return USER_Driver.pToUnicode(virtKey, scanCode, lpKeyState, lpwStr, size, flags);
 835 }
 836
 837 /****************************************************************************
 838  *              ToUnicodeEx (USER32.@)
 839  */
 840 INT WINAPI ToUnicodeEx(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 841                        LPWSTR lpwStr, int size, UINT flags, HKL hkl)
 842 {
 843     /* FIXME: need true implementation */
 844     return ToUnicode(virtKey, scanCode, lpKeyState, lpwStr, size, flags);
 845 }
 846
 847 /****************************************************************************
 848  *              ToAscii (USER32.@)
 849  */
 850 INT WINAPI ToAscii( UINT virtKey,UINT scanCode,LPBYTE lpKeyState,
 851                         LPWORD lpChar,UINT flags )
 852 {
 853     WCHAR uni_chars[2];
 854     INT ret, n_ret;
 855
 856     ret = ToUnicode(virtKey, scanCode, lpKeyState, uni_chars, 2, flags);
 857     if(ret < 0) n_ret = 1; /* FIXME: make ToUnicode return 2 for dead chars */
 858     else n_ret = ret;
 859     WideCharToMultiByte(CP_ACP, 0, uni_chars, n_ret, (LPSTR)lpChar, 2, NULL, NULL);
 860     return ret;
 861 }
 862
 863 /****************************************************************************
 864  *              ToAsciiEx (USER32.@)
 865  */
 866 INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 867                       LPWORD lpChar, UINT flags, HKL dwhkl )
 868 {
 869     /* FIXME: need true implementation */
 870     return ToAscii(virtKey, scanCode, lpKeyState, lpChar, flags);
 871 }
 872
 873 /**********************************************************************
 874  *              ActivateKeyboardLayout (USER32.@)
 875  *
 876  * Call ignored. WINE supports only system default keyboard layout.
 877  */
 878 HKL WINAPI ActivateKeyboardLayout(HKL hLayout, UINT flags)
 879 {
 880     TRACE_(keyboard)("(%d, %d)\n", hLayout, flags);
 881     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
 882     return 0;
 883 }
 884
 885
 886 /***********************************************************************
 887  *              GetKeyboardLayoutList (USER32.@)
 888  *
 889  * FIXME: Supports only the system default language and layout and
 890  *          returns only 1 value.
 891  *
 892  * Return number of values available if either input parm is
 893  *  0, per MS documentation.
 894  *
 895  */
 896 INT WINAPI GetKeyboardLayoutList(INT nBuff,HKL *layouts)
 897 {
 898         TRACE_(keyboard)("(%d,%p)\n",nBuff,layouts);
 899         if (!nBuff || !layouts)
 900             return 1;
 901         if (layouts)
 902                 layouts[0] = GetKeyboardLayout(0);
 903         return 1;
 904 }
 905
 906
 907 /***********************************************************************
 908  *              RegisterHotKey (USER32.@)
 909  */
 910 BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk) {
 911         FIXME_(keyboard)("(0x%08x,%d,0x%08x,%d): stub\n",hwnd,id,modifiers,vk);
 912         return TRUE;
 913 }
 914
 915 /***********************************************************************
 916  *              UnregisterHotKey (USER32.@)
 917  */
 918 BOOL WINAPI UnregisterHotKey(HWND hwnd,INT id) {
 919         FIXME_(keyboard)("(0x%08x,%d): stub\n",hwnd,id);
 920         return TRUE;
 921 }
 922
 923 /***********************************************************************
 924  *              LoadKeyboardLayoutA (USER32.@)
 925  * Call ignored. WINE supports only system default keyboard layout.
 926  */
 927 HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
 928 {
 929     TRACE_(keyboard)("(%s, %d)\n", pwszKLID, Flags);
 930     ERR_(keyboard)("Only default system keyboard layout supported. Call ignored.\n");
 931   return 0;
 932 }
 933
 934 /***********************************************************************
 935  *              LoadKeyboardLayoutW (USER32.@)
 936  */
 937 HKL WINAPI LoadKeyboardLayoutW(LPCWSTR pwszKLID, UINT Flags)
 938 {
 939     char buf[9];
 940
 941     WideCharToMultiByte( CP_ACP, 0, pwszKLID, -1, buf, sizeof(buf), NULL, NULL );
 942     buf[8] = 0;
 943     return LoadKeyboardLayoutA(buf, Flags);
 944 }
 945
 946
 947 typedef struct __TRACKINGLIST {
 948     TRACKMOUSEEVENT tme;
 949     POINT pos; /* center of hover rectangle */
 950     INT iHoverTime; /* elapsed time the cursor has been inside of the hover rect */
 951 } _TRACKINGLIST;
 952
 953 static _TRACKINGLIST TrackingList[10];
 954 static int iTrackMax = 0;
 955 static UINT_PTR timer;
 956 static const INT iTimerInterval = 50; /* msec for timer interval */
 957
 958 /* FIXME: need to implement WM_NCMOUSELEAVE and WM_NCMOUSEHOVER for */
 959 /* TrackMouseEventProc and _TrackMouseEvent */
 960 static void CALLBACK TrackMouseEventProc(HWND hwndUnused, UINT uMsg, UINT_PTR idEvent,
 961     DWORD dwTime)
 962 {
 963     int i = 0;
 964     POINT pos;
 965     HWND hwnd;
 966     INT hoverwidth = 0, hoverheight = 0;
 967
 968     GetCursorPos(&pos);
 969     hwnd = WindowFromPoint(pos);
 970
 971     SystemParametersInfoA(SPI_GETMOUSEHOVERWIDTH, 0, &hoverwidth, 0);
 972     SystemParametersInfoA(SPI_GETMOUSEHOVERHEIGHT, 0, &hoverheight, 0);
 973
 974     /* loop through tracking events we are processing */
 975     while (i < iTrackMax) {
 976         /* see if this tracking event is looking for TME_LEAVE and that the */
 977         /* mouse has left the window */
 978         if ((TrackingList[i].tme.dwFlags & TME_LEAVE) &&
 979              (TrackingList[i].tme.hwndTrack != hwnd)) {
 980             PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
 981
 982             /* remove the TME_LEAVE flag */
 983             TrackingList[i].tme.dwFlags ^= TME_LEAVE;
 984         }
 985
 986         /* see if we are tracking hovering for this hwnd */
 987         if(TrackingList[i].tme.dwFlags & TME_HOVER) {
 988             /* add the timer interval to the hovering time */
 989             TrackingList[i].iHoverTime+=iTimerInterval;
 990
 991             /* has the cursor moved outside the rectangle centered around pos? */
 992             if((abs(pos.x - TrackingList[i].pos.x) > (hoverwidth / 2.0))
 993               || (abs(pos.y - TrackingList[i].pos.y) > (hoverheight / 2.0)))
 994             {
 995                 /* record this new position as the current position and reset */
 996                 /* the iHoverTime variable to 0 */
 997                 TrackingList[i].pos = pos;
 998                 TrackingList[i].iHoverTime = 0;
 999             }
1000
1001             /* has the mouse hovered long enough? */
1002             if(TrackingList[i].iHoverTime <= TrackingList[i].tme.dwHoverTime)
1003              {
1004                 PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSEHOVER, 0, 0);
1005
1006                 /* stop tracking mouse hover */
1007                 TrackingList[i].tme.dwFlags ^= TME_HOVER;
1008             }
1009         }
1010
1011         /* see if we are still tracking TME_HOVER or TME_LEAVE for this entry */
1012         if((TrackingList[i].tme.dwFlags & TME_HOVER) ||
1013            (TrackingList[i].tme.dwFlags & TME_LEAVE)) {
1014             i++;
1015         } else { /* remove this entry from the tracking list */
1016             TrackingList[i] = TrackingList[--iTrackMax];
1017         }
1018     }
1019
1020     /* stop the timer if the tracking list is empty */
1021     if(iTrackMax == 0) {
1022         KillTimer(0, timer);
1023         timer = 0;
1024     }
1025 }
1026
1027
1028 /***********************************************************************
1029  * TrackMouseEvent [USER32]
1030  *
1031  * Requests notification of mouse events
1032  *
1033  * During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted
1034  * to the hwnd specified in the ptme structure.  After the event message
1035  * is posted to the hwnd, the entry in the queue is removed.
1036  *
1037  * If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely
1038  * ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted
1039  * immediately and the TME_LEAVE flag being ignored.
1040  *
1041  * PARAMS
1042  *     ptme [I,O] pointer to TRACKMOUSEEVENT information structure.
1043  *
1044  * RETURNS
1045  *     Success: non-zero
1046  *     Failure: zero
1047  *
1048  */
1049
1050 BOOL WINAPI
1051 TrackMouseEvent (TRACKMOUSEEVENT *ptme)
1052 {
1053     DWORD flags = 0;
1054     int i = 0;
1055     BOOL cancel = 0, hover = 0, leave = 0, query = 0;
1056     HWND hwnd;
1057     POINT pos;
1058
1059     pos.x = 0;
1060     pos.y = 0;
1061
1062     TRACE("%lx, %lx, %x, %lx\n", ptme->cbSize, ptme->dwFlags, ptme->hwndTrack, ptme->dwHoverTime);
1063
1064     if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
1065         WARN("wrong TRACKMOUSEEVENT size from app\n");
1066         SetLastError(ERROR_INVALID_PARAMETER); /* FIXME not sure if this is correct */
1067         return FALSE;
1068     }
1069
1070     flags = ptme->dwFlags;
1071
1072     /* if HOVER_DEFAULT was specified replace this with the systems current value */
1073     if(ptme->dwHoverTime == HOVER_DEFAULT)
1074         SystemParametersInfoA(SPI_GETMOUSEHOVERTIME, 0, &(ptme->dwHoverTime), 0);
1075
1076     GetCursorPos(&pos);
1077     hwnd = WindowFromPoint(pos);
1078
1079     if ( flags & TME_CANCEL ) {
1080         flags &= ~ TME_CANCEL;
1081         cancel = 1;
1082     }
1083
1084     if ( flags & TME_HOVER  ) {
1085         flags &= ~ TME_HOVER;
1086         hover = 1;
1087     }
1088
1089     if ( flags & TME_LEAVE ) {
1090         flags &= ~ TME_LEAVE;
1091         leave = 1;
1092     }
1093
1094     /* fill the TRACKMOUSEEVENT struct with the current tracking for the given hwnd */
1095     if ( flags & TME_QUERY ) {
1096         flags &= ~ TME_QUERY;
1097         query = 1;
1098         i = 0;
1099
1100         /* Find the tracking list entry with the matching hwnd */
1101         while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
1102             i++;
1103         }
1104
1105         /* hwnd found, fill in the ptme struct */
1106         if(i < iTrackMax)
1107             *ptme = TrackingList[i].tme;
1108         else
1109             ptme->dwFlags = 0;
1110
1111         return TRUE; /* return here, TME_QUERY is retrieving information */
1112     }
1113
1114     if ( flags )
1115         FIXME("Unknown flag(s) %08lx\n", flags );
1116
1117     if(cancel) {
1118         /* find a matching hwnd if one exists */
1119         i = 0;
1120
1121         while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
1122           i++;
1123         }
1124
1125         if(i < iTrackMax) {
1126             TrackingList[i].tme.dwFlags &= ~(ptme->dwFlags & ~TME_CANCEL);
1127
1128             /* if we aren't tracking on hover or leave remove this entry */
1129             if(!((TrackingList[i].tme.dwFlags & TME_HOVER) ||
1130                  (TrackingList[i].tme.dwFlags & TME_LEAVE)))
1131             {
1132                 TrackingList[i] = TrackingList[--iTrackMax];
1133
1134                 if(iTrackMax == 0) {
1135                     KillTimer(0, timer);
1136                     timer = 0;
1137                 }
1138             }
1139         }
1140     } else {
1141         /* see if hwndTrack isn't the current window */
1142         if(ptme->hwndTrack != hwnd) {
1143             if(leave) {
1144                 PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
1145             }
1146         } else {
1147             /* See if this hwnd is already being tracked and update the tracking flags */
1148             for(i = 0; i < iTrackMax; i++) {
1149                 if(TrackingList[i].tme.hwndTrack == ptme->hwndTrack) {
1150                     if(hover) {
1151                         TrackingList[i].tme.dwFlags |= TME_HOVER;
1152                         TrackingList[i].tme.dwHoverTime = ptme->dwHoverTime;
1153                     }
1154
1155                     if(leave)
1156                         TrackingList[i].tme.dwFlags |= TME_LEAVE;
1157
1158                     /* reset iHoverTime as per winapi specs */
1159                     TrackingList[i].iHoverTime = 0;
1160
1161                     return TRUE;
1162                 }
1163             }
1164
1165             /* if the tracking list is full return FALSE */
1166             if (iTrackMax == sizeof (TrackingList) / sizeof(*TrackingList)) {
1167                 return FALSE;
1168             }
1169
1170             /* Adding new mouse event to the tracking list */
1171             TrackingList[iTrackMax].tme = *ptme;
1172
1173             /* Initialize HoverInfo variables even if not hover tracking */
1174             TrackingList[iTrackMax].iHoverTime = 0;
1175             TrackingList[iTrackMax].pos = pos;
1176
1177             iTrackMax++;
1178
1179             if (!timer) {
1180                 timer = SetTimer(0, 0, iTimerInterval, TrackMouseEventProc);
1181             }
1182         }
1183     }
1184
1185     return TRUE;
1186 }
1187
1188
1189