dlls/user32/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "winternl.h"
  43 #include "winerror.h"
  44 #include "win.h"
  45 #include "user_private.h"
  46 #include "wine/server.h"
  47 #include "wine/debug.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(win);
  50 WINE_DECLARE_DEBUG_CHANNEL(keyboard);
  51
  52
  53 /***********************************************************************
  54  *           get_key_state
  55  */
  56 static WORD get_key_state(void)
  57 {
  58     WORD ret = 0;
  59
  60     if (GetSystemMetrics( SM_SWAPBUTTON ))
  61     {
  62         if (GetAsyncKeyState(VK_RBUTTON) & 0x80) ret |= MK_LBUTTON;
  63         if (GetAsyncKeyState(VK_LBUTTON) & 0x80) ret |= MK_RBUTTON;
  64     }
  65     else
  66     {
  67         if (GetAsyncKeyState(VK_LBUTTON) & 0x80) ret |= MK_LBUTTON;
  68         if (GetAsyncKeyState(VK_RBUTTON) & 0x80) ret |= MK_RBUTTON;
  69     }
  70     if (GetAsyncKeyState(VK_MBUTTON) & 0x80)  ret |= MK_MBUTTON;
  71     if (GetAsyncKeyState(VK_SHIFT) & 0x80)    ret |= MK_SHIFT;
  72     if (GetAsyncKeyState(VK_CONTROL) & 0x80)  ret |= MK_CONTROL;
  73     if (GetAsyncKeyState(VK_XBUTTON1) & 0x80) ret |= MK_XBUTTON1;
  74     if (GetAsyncKeyState(VK_XBUTTON2) & 0x80) ret |= MK_XBUTTON2;
  75     return ret;
  76 }
  77
  78
  79 /***********************************************************************
  80  *              SendInput  (USER32.@)
  81  */
  82 UINT WINAPI SendInput( UINT count, LPINPUT inputs, int size )
  83 {
  84     if (TRACE_ON(win))
  85     {
  86         UINT i;
  87
  88         for (i = 0; i < count; i++)
  89         {
  90             switch(inputs[i].type)
  91             {
  92             case INPUT_MOUSE:
  93                 TRACE("mouse: dx %d, dy %d, data %x, flags %x, time %u, info %lx\n",
  94                       inputs[i].u.mi.dx, inputs[i].u.mi.dy, inputs[i].u.mi.mouseData,
  95                       inputs[i].u.mi.dwFlags, inputs[i].u.mi.time, inputs[i].u.mi.dwExtraInfo);
  96                 break;
  97
  98             case INPUT_KEYBOARD:
  99                 TRACE("keyboard: vk %x, scan %x, flags %x, time %u, info %lx\n",
 100                       inputs[i].u.ki.wVk, inputs[i].u.ki.wScan, inputs[i].u.ki.dwFlags,
 101                       inputs[i].u.ki.time, inputs[i].u.ki.dwExtraInfo);
 102                 break;
 103
 104             case INPUT_HARDWARE:
 105                 TRACE("hardware: msg %d, wParamL %x, wParamH %x\n",
 106                       inputs[i].u.hi.uMsg, inputs[i].u.hi.wParamL, inputs[i].u.hi.wParamH);
 107                 break;
 108
 109             default:
 110                 FIXME("unknown input type %u\n", inputs[i].type);
 111                 break;
 112             }
 113         }
 114     }
 115
 116     return USER_Driver->pSendInput( count, inputs, size );
 117 }
 118
 119
 120 /***********************************************************************
 121  *              keybd_event (USER32.@)
 122  */
 123 void WINAPI keybd_event( BYTE bVk, BYTE bScan,
 124                          DWORD dwFlags, ULONG_PTR dwExtraInfo )
 125 {
 126     INPUT input;
 127
 128     input.type = INPUT_KEYBOARD;
 129     input.u.ki.wVk = bVk;
 130     input.u.ki.wScan = bScan;
 131     input.u.ki.dwFlags = dwFlags;
 132     input.u.ki.time = GetTickCount();
 133     input.u.ki.dwExtraInfo = dwExtraInfo;
 134     SendInput( 1, &input, sizeof(input) );
 135 }
 136
 137
 138 /***********************************************************************
 139  *              mouse_event (USER32.@)
 140  */
 141 void WINAPI mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
 142                          DWORD dwData, ULONG_PTR dwExtraInfo )
 143 {
 144     INPUT input;
 145
 146     input.type = INPUT_MOUSE;
 147     input.u.mi.dx = dx;
 148     input.u.mi.dy = dy;
 149     input.u.mi.mouseData = dwData;
 150     input.u.mi.dwFlags = dwFlags;
 151     input.u.mi.time = GetCurrentTime();
 152     input.u.mi.dwExtraInfo = dwExtraInfo;
 153     SendInput( 1, &input, sizeof(input) );
 154 }
 155
 156
 157 /***********************************************************************
 158  *              GetCursorPos (USER32.@)
 159  */
 160 BOOL WINAPI GetCursorPos( POINT *pt )
 161 {
 162     if (!pt) return FALSE;
 163     return USER_Driver->pGetCursorPos( pt );
 164 }
 165
 166
 167 /***********************************************************************
 168  *              GetCursorInfo (USER32.@)
 169  */
 170 BOOL WINAPI GetCursorInfo( PCURSORINFO pci )
 171 {
 172     if (!pci) return 0;
 173     if (get_user_thread_info()->cursor_count >= 0) pci->flags = CURSOR_SHOWING;
 174     else pci->flags = 0;
 175     GetCursorPos(&pci->ptScreenPos);
 176     return 1;
 177 }
 178
 179
 180 /***********************************************************************
 181  *              SetCursorPos (USER32.@)
 182  */
 183 BOOL WINAPI SetCursorPos( INT x, INT y )
 184 {
 185     return USER_Driver->pSetCursorPos( x, y );
 186 }
 187
 188
 189 /**********************************************************************
 190  *              SetCapture (USER32.@)
 191  */
 192 HWND WINAPI SetCapture( HWND hwnd )
 193 {
 194     HWND previous = 0;
 195
 196     SERVER_START_REQ( set_capture_window )
 197     {
 198         req->handle = hwnd;
 199         req->flags  = 0;
 200         if (!wine_server_call_err( req ))
 201         {
 202             previous = reply->previous;
 203             hwnd = reply->full_handle;
 204         }
 205     }
 206     SERVER_END_REQ;
 207
 208     if (previous && previous != hwnd)
 209         SendMessageW( previous, WM_CAPTURECHANGED, 0, (LPARAM)hwnd );
 210     return previous;
 211 }
 212
 213
 214 /**********************************************************************
 215  *              ReleaseCapture (USER32.@)
 216  */
 217 BOOL WINAPI ReleaseCapture(void)
 218 {
 219     BOOL ret;
 220     HWND previous = 0;
 221
 222     SERVER_START_REQ( set_capture_window )
 223     {
 224         req->handle = 0;
 225         req->flags  = 0;
 226         if ((ret = !wine_server_call_err( req ))) previous = reply->previous;
 227     }
 228     SERVER_END_REQ;
 229
 230     if (previous) SendMessageW( previous, WM_CAPTURECHANGED, 0, 0 );
 231
 232     /* Somebody may have missed some mouse movements */
 233     mouse_event( MOUSEEVENTF_MOVE, 0, 0, 0, 0 );
 234
 235     return ret;
 236 }
 237
 238
 239 /**********************************************************************
 240  *              GetCapture (USER32.@)
 241  */
 242 HWND WINAPI GetCapture(void)
 243 {
 244     HWND ret = 0;
 245
 246     SERVER_START_REQ( get_thread_input )
 247     {
 248         req->tid = GetCurrentThreadId();
 249         if (!wine_server_call_err( req )) ret = reply->capture;
 250     }
 251     SERVER_END_REQ;
 252     return ret;
 253 }
 254
 255
 256 /**********************************************************************
 257  *              GetAsyncKeyState (USER32.@)
 258  *
 259  *      Determine if a key is or was pressed.  retval has high-order
 260  * bit set to 1 if currently pressed, low-order bit set to 1 if key has
 261  * been pressed.
 262  */
 263 SHORT WINAPI GetAsyncKeyState(INT nKey)
 264 {
 265     return USER_Driver->pGetAsyncKeyState( nKey );
 266 }
 267
 268
 269 /***********************************************************************
 270  *              GetQueueStatus (USER32.@)
 271  */
 272 DWORD WINAPI GetQueueStatus( UINT flags )
 273 {
 274     DWORD ret = 0;
 275
 276     if (flags & ~(QS_ALLINPUT | QS_ALLPOSTMESSAGE | QS_SMRESULT))
 277     {
 278         SetLastError( ERROR_INVALID_FLAGS );
 279         return 0;
 280     }
 281
 282     /* check for pending X events */
 283     USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, flags, 0 );
 284
 285     SERVER_START_REQ( get_queue_status )
 286     {
 287         req->clear = 1;
 288         wine_server_call( req );
 289         ret = MAKELONG( reply->changed_bits & flags, reply->wake_bits & flags );
 290     }
 291     SERVER_END_REQ;
 292     return ret;
 293 }
 294
 295
 296 /***********************************************************************
 297  *              GetInputState   (USER32.@)
 298  */
 299 BOOL WINAPI GetInputState(void)
 300 {
 301     DWORD ret = 0;
 302
 303     /* check for pending X events */
 304     USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_INPUT, 0 );
 305
 306     SERVER_START_REQ( get_queue_status )
 307     {
 308         req->clear = 0;
 309         wine_server_call( req );
 310         ret = reply->wake_bits & (QS_KEY | QS_MOUSEBUTTON);
 311     }
 312     SERVER_END_REQ;
 313     return ret;
 314 }
 315
 316
 317 /******************************************************************
 318  *              GetLastInputInfo (USER32.@)
 319  */
 320 BOOL WINAPI GetLastInputInfo(PLASTINPUTINFO plii)
 321 {
 322     BOOL ret;
 323
 324     TRACE("%p\n", plii);
 325
 326     if (plii->cbSize != sizeof (*plii) )
 327     {
 328         SetLastError(ERROR_INVALID_PARAMETER);
 329         return FALSE;
 330     }
 331
 332     SERVER_START_REQ( get_last_input_time )
 333     {
 334         ret = !wine_server_call_err( req );
 335         if (ret)
 336             plii->dwTime = reply->time;
 337     }
 338     SERVER_END_REQ;
 339     return ret;
 340 }
 341
 342
 343 /**********************************************************************
 344  *              AttachThreadInput (USER32.@)
 345  *
 346  * Attaches the input processing mechanism of one thread to that of
 347  * another thread.
 348  */
 349 BOOL WINAPI AttachThreadInput( DWORD from, DWORD to, BOOL attach )
 350 {
 351     BOOL ret;
 352
 353     SERVER_START_REQ( attach_thread_input )
 354     {
 355         req->tid_from = from;
 356         req->tid_to   = to;
 357         req->attach   = attach;
 358         ret = !wine_server_call_err( req );
 359     }
 360     SERVER_END_REQ;
 361     return ret;
 362 }
 363
 364
 365 /**********************************************************************
 366  *              GetKeyState (USER32.@)
 367  *
 368  * An application calls the GetKeyState function in response to a
 369  * keyboard-input message.  This function retrieves the state of the key
 370  * at the time the input message was generated.
 371  */
 372 SHORT WINAPI GetKeyState(INT vkey)
 373 {
 374     SHORT retval = 0;
 375
 376     SERVER_START_REQ( get_key_state )
 377     {
 378         req->tid = GetCurrentThreadId();
 379         req->key = vkey;
 380         if (!wine_server_call( req )) retval = (signed char)reply->state;
 381     }
 382     SERVER_END_REQ;
 383     TRACE("key (0x%x) -> %x\n", vkey, retval);
 384     return retval;
 385 }
 386
 387
 388 /**********************************************************************
 389  *              GetKeyboardState (USER32.@)
 390  */
 391 BOOL WINAPI GetKeyboardState( LPBYTE state )
 392 {
 393     BOOL ret;
 394
 395     TRACE("(%p)\n", state);
 396
 397     memset( state, 0, 256 );
 398     SERVER_START_REQ( get_key_state )
 399     {
 400         req->tid = GetCurrentThreadId();
 401         req->key = -1;
 402         wine_server_set_reply( req, state, 256 );
 403         ret = !wine_server_call_err( req );
 404     }
 405     SERVER_END_REQ;
 406     return ret;
 407 }
 408
 409
 410 /**********************************************************************
 411  *              SetKeyboardState (USER32.@)
 412  */
 413 BOOL WINAPI SetKeyboardState( LPBYTE state )
 414 {
 415     BOOL ret;
 416
 417     TRACE("(%p)\n", state);
 418
 419     SERVER_START_REQ( set_key_state )
 420     {
 421         req->tid = GetCurrentThreadId();
 422         wine_server_add_data( req, state, 256 );
 423         ret = !wine_server_call_err( req );
 424     }
 425     SERVER_END_REQ;
 426     return ret;
 427 }
 428
 429
 430 /**********************************************************************
 431  *              VkKeyScanA (USER32.@)
 432  *
 433  * VkKeyScan translates an ANSI character to a virtual-key and shift code
 434  * for the current keyboard.
 435  * high-order byte yields :
 436  *      0       Unshifted
 437  *      1       Shift
 438  *      2       Ctrl
 439  *      3-5     Shift-key combinations that are not used for characters
 440  *      6       Ctrl-Alt
 441  *      7       Ctrl-Alt-Shift
 442  *      I.e. :  Shift = 1, Ctrl = 2, Alt = 4.
 443  * FIXME : works ok except for dead chars :
 444  * VkKeyScan '^'(0x5e, 94) ... got keycode 00 ... returning 00
 445  * VkKeyScan '`'(0x60, 96) ... got keycode 00 ... returning 00
 446  */
 447 SHORT WINAPI VkKeyScanA(CHAR cChar)
 448 {
 449     WCHAR wChar;
 450
 451     if (IsDBCSLeadByte(cChar)) return -1;
 452
 453     MultiByteToWideChar(CP_ACP, 0, &cChar, 1, &wChar, 1);
 454     return VkKeyScanW(wChar);
 455 }
 456
 457 /******************************************************************************
 458  *              VkKeyScanW (USER32.@)
 459  */
 460 SHORT WINAPI VkKeyScanW(WCHAR cChar)
 461 {
 462     return VkKeyScanExW(cChar, GetKeyboardLayout(0));
 463 }
 464
 465 /**********************************************************************
 466  *              VkKeyScanExA (USER32.@)
 467  */
 468 WORD WINAPI VkKeyScanExA(CHAR cChar, HKL dwhkl)
 469 {
 470     WCHAR wChar;
 471
 472     if (IsDBCSLeadByte(cChar)) return -1;
 473
 474     MultiByteToWideChar(CP_ACP, 0, &cChar, 1, &wChar, 1);
 475     return VkKeyScanExW(wChar, dwhkl);
 476 }
 477
 478 /******************************************************************************
 479  *              VkKeyScanExW (USER32.@)
 480  */
 481 WORD WINAPI VkKeyScanExW(WCHAR cChar, HKL dwhkl)
 482 {
 483     return USER_Driver->pVkKeyScanEx(cChar, dwhkl);
 484 }
 485
 486 /**********************************************************************
 487  *              OemKeyScan (USER32.@)
 488  */
 489 DWORD WINAPI OemKeyScan(WORD wOemChar)
 490 {
 491     TRACE("(%d)\n", wOemChar);
 492     return wOemChar;
 493 }
 494
 495 /******************************************************************************
 496  *              GetKeyboardType (USER32.@)
 497  */
 498 INT WINAPI GetKeyboardType(INT nTypeFlag)
 499 {
 500     TRACE_(keyboard)("(%d)\n", nTypeFlag);
 501     switch(nTypeFlag)
 502     {
 503     case 0:      /* Keyboard type */
 504         return 4;    /* AT-101 */
 505     case 1:      /* Keyboard Subtype */
 506         return 0;    /* There are no defined subtypes */
 507     case 2:      /* Number of F-keys */
 508         return 12;   /* We're doing an 101 for now, so return 12 F-keys */
 509     default:
 510         WARN_(keyboard)("Unknown type\n");
 511         return 0;    /* The book says 0 here, so 0 */
 512     }
 513 }
 514
 515 /******************************************************************************
 516  *              MapVirtualKeyA (USER32.@)
 517  */
 518 UINT WINAPI MapVirtualKeyA(UINT code, UINT maptype)
 519 {
 520     return MapVirtualKeyExA( code, maptype, GetKeyboardLayout(0) );
 521 }
 522
 523 /******************************************************************************
 524  *              MapVirtualKeyW (USER32.@)
 525  */
 526 UINT WINAPI MapVirtualKeyW(UINT code, UINT maptype)
 527 {
 528     return MapVirtualKeyExW(code, maptype, GetKeyboardLayout(0));
 529 }
 530
 531 /******************************************************************************
 532  *              MapVirtualKeyExA (USER32.@)
 533  */
 534 UINT WINAPI MapVirtualKeyExA(UINT code, UINT maptype, HKL hkl)
 535 {
 536     return MapVirtualKeyExW(code, maptype, hkl);
 537 }
 538
 539 /******************************************************************************
 540  *              MapVirtualKeyExW (USER32.@)
 541  */
 542 UINT WINAPI MapVirtualKeyExW(UINT code, UINT maptype, HKL hkl)
 543 {
 544     TRACE_(keyboard)("(%d, %d, %p)\n", code, maptype, hkl);
 545
 546     return USER_Driver->pMapVirtualKeyEx(code, maptype, hkl);
 547 }
 548
 549 /****************************************************************************
 550  *              GetKBCodePage (USER32.@)
 551  */
 552 UINT WINAPI GetKBCodePage(void)
 553 {
 554     return GetOEMCP();
 555 }
 556
 557 /***********************************************************************
 558  *              GetKeyboardLayout (USER32.@)
 559  *
 560  *        - device handle for keyboard layout defaulted to
 561  *          the language id. This is the way Windows default works.
 562  *        - the thread identifier (dwLayout) is also ignored.
 563  */
 564 HKL WINAPI GetKeyboardLayout(DWORD dwLayout)
 565 {
 566     return USER_Driver->pGetKeyboardLayout(dwLayout);
 567 }
 568
 569 /****************************************************************************
 570  *              GetKeyboardLayoutNameA (USER32.@)
 571  */
 572 BOOL WINAPI GetKeyboardLayoutNameA(LPSTR pszKLID)
 573 {
 574     WCHAR buf[KL_NAMELENGTH];
 575
 576     if (GetKeyboardLayoutNameW(buf))
 577         return WideCharToMultiByte( CP_ACP, 0, buf, -1, pszKLID, KL_NAMELENGTH, NULL, NULL ) != 0;
 578     return FALSE;
 579 }
 580
 581 /****************************************************************************
 582  *              GetKeyboardLayoutNameW (USER32.@)
 583  */
 584 BOOL WINAPI GetKeyboardLayoutNameW(LPWSTR pwszKLID)
 585 {
 586     return USER_Driver->pGetKeyboardLayoutName(pwszKLID);
 587 }
 588
 589 /****************************************************************************
 590  *              GetKeyNameTextA (USER32.@)
 591  */
 592 INT WINAPI GetKeyNameTextA(LONG lParam, LPSTR lpBuffer, INT nSize)
 593 {
 594     WCHAR buf[256];
 595     INT ret;
 596
 597     if (!GetKeyNameTextW(lParam, buf, 256))
 598     {
 599         lpBuffer[0] = 0;
 600         return 0;
 601     }
 602     ret = WideCharToMultiByte(CP_ACP, 0, buf, -1, lpBuffer, nSize, NULL, NULL);
 603     if (!ret && nSize)
 604     {
 605         ret = nSize - 1;
 606         lpBuffer[ret] = 0;
 607     }
 608     return ret;
 609 }
 610
 611 /****************************************************************************
 612  *              GetKeyNameTextW (USER32.@)
 613  */
 614 INT WINAPI GetKeyNameTextW(LONG lParam, LPWSTR lpBuffer, INT nSize)
 615 {
 616     return USER_Driver->pGetKeyNameText( lParam, lpBuffer, nSize );
 617 }
 618
 619 /****************************************************************************
 620  *              ToUnicode (USER32.@)
 621  */
 622 INT WINAPI ToUnicode(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 623                      LPWSTR lpwStr, int size, UINT flags)
 624 {
 625     return ToUnicodeEx(virtKey, scanCode, lpKeyState, lpwStr, size, flags, GetKeyboardLayout(0));
 626 }
 627
 628 /****************************************************************************
 629  *              ToUnicodeEx (USER32.@)
 630  */
 631 INT WINAPI ToUnicodeEx(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 632                        LPWSTR lpwStr, int size, UINT flags, HKL hkl)
 633 {
 634     return USER_Driver->pToUnicodeEx(virtKey, scanCode, lpKeyState, lpwStr, size, flags, hkl);
 635 }
 636
 637 /****************************************************************************
 638  *              ToAscii (USER32.@)
 639  */
 640 INT WINAPI ToAscii( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 641                     LPWORD lpChar, UINT flags )
 642 {
 643     return ToAsciiEx(virtKey, scanCode, lpKeyState, lpChar, flags, GetKeyboardLayout(0));
 644 }
 645
 646 /****************************************************************************
 647  *              ToAsciiEx (USER32.@)
 648  */
 649 INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
 650                       LPWORD lpChar, UINT flags, HKL dwhkl )
 651 {
 652     WCHAR uni_chars[2];
 653     INT ret, n_ret;
 654
 655     ret = ToUnicodeEx(virtKey, scanCode, lpKeyState, uni_chars, 2, flags, dwhkl);
 656     if (ret < 0) n_ret = 1; /* FIXME: make ToUnicode return 2 for dead chars */
 657     else n_ret = ret;
 658     WideCharToMultiByte(CP_ACP, 0, uni_chars, n_ret, (LPSTR)lpChar, 2, NULL, NULL);
 659     return ret;
 660 }
 661
 662 /**********************************************************************
 663  *              ActivateKeyboardLayout (USER32.@)
 664  */
 665 HKL WINAPI ActivateKeyboardLayout(HKL hLayout, UINT flags)
 666 {
 667     TRACE_(keyboard)("(%p, %d)\n", hLayout, flags);
 668
 669     return USER_Driver->pActivateKeyboardLayout(hLayout, flags);
 670 }
 671
 672 /**********************************************************************
 673  *              BlockInput (USER32.@)
 674  */
 675 BOOL WINAPI BlockInput(BOOL fBlockIt)
 676 {
 677     FIXME_(keyboard)("(%d): stub\n", fBlockIt);
 678     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 679
 680     return FALSE;
 681 }
 682
 683 /***********************************************************************
 684  *              GetKeyboardLayoutList (USER32.@)
 685  *
 686  * Return number of values available if either input parm is
 687  *  0, per MS documentation.
 688  */
 689 UINT WINAPI GetKeyboardLayoutList(INT nBuff, HKL *layouts)
 690 {
 691     TRACE_(keyboard)("(%d,%p)\n",nBuff,layouts);
 692
 693     return USER_Driver->pGetKeyboardLayoutList(nBuff, layouts);
 694 }
 695
 696
 697 /***********************************************************************
 698  *              RegisterHotKey (USER32.@)
 699  */
 700 BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk)
 701 {
 702     FIXME_(keyboard)("(%p,%d,0x%08x,%d): stub\n",hwnd,id,modifiers,vk);
 703     return TRUE;
 704 }
 705
 706 /***********************************************************************
 707  *              UnregisterHotKey (USER32.@)
 708  */
 709 BOOL WINAPI UnregisterHotKey(HWND hwnd,INT id)
 710 {
 711     FIXME_(keyboard)("(%p,%d): stub\n",hwnd,id);
 712     return TRUE;
 713 }
 714
 715 /***********************************************************************
 716  *              LoadKeyboardLayoutW (USER32.@)
 717  */
 718 HKL WINAPI LoadKeyboardLayoutW(LPCWSTR pwszKLID, UINT Flags)
 719 {
 720     TRACE_(keyboard)("(%s, %d)\n", debugstr_w(pwszKLID), Flags);
 721
 722     return USER_Driver->pLoadKeyboardLayout(pwszKLID, Flags);
 723 }
 724
 725 /***********************************************************************
 726  *              LoadKeyboardLayoutA (USER32.@)
 727  */
 728 HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
 729 {
 730     HKL ret;
 731     UNICODE_STRING pwszKLIDW;
 732
 733     if (pwszKLID) RtlCreateUnicodeStringFromAsciiz(&pwszKLIDW, pwszKLID);
 734     else pwszKLIDW.Buffer = NULL;
 735
 736     ret = LoadKeyboardLayoutW(pwszKLIDW.Buffer, Flags);
 737     RtlFreeUnicodeString(&pwszKLIDW);
 738     return ret;
 739 }
 740
 741
 742 /***********************************************************************
 743  *              UnloadKeyboardLayout (USER32.@)
 744  */
 745 BOOL WINAPI UnloadKeyboardLayout(HKL hkl)
 746 {
 747     TRACE_(keyboard)("(%p)\n", hkl);
 748
 749     return USER_Driver->pUnloadKeyboardLayout(hkl);
 750 }
 751
 752 typedef struct __TRACKINGLIST {
 753     TRACKMOUSEEVENT tme;
 754     POINT pos; /* center of hover rectangle */
 755 } _TRACKINGLIST;
 756
 757 /* FIXME: move tracking stuff into a per thread data */
 758 static _TRACKINGLIST tracking_info;
 759 static UINT_PTR timer;
 760
 761 static void check_mouse_leave(HWND hwnd, int hittest)
 762 {
 763     if (tracking_info.tme.hwndTrack != hwnd)
 764     {
 765         if (tracking_info.tme.dwFlags & TME_NONCLIENT)
 766             PostMessageW(tracking_info.tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
 767         else
 768             PostMessageW(tracking_info.tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
 769
 770         /* remove the TME_LEAVE flag */
 771         tracking_info.tme.dwFlags &= ~TME_LEAVE;
 772     }
 773     else
 774     {
 775         if (hittest == HTCLIENT)
 776         {
 777             if (tracking_info.tme.dwFlags & TME_NONCLIENT)
 778             {
 779                 PostMessageW(tracking_info.tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
 780                 /* remove the TME_LEAVE flag */
 781                 tracking_info.tme.dwFlags &= ~TME_LEAVE;
 782             }
 783         }
 784         else
 785         {
 786             if (!(tracking_info.tme.dwFlags & TME_NONCLIENT))
 787             {
 788                 PostMessageW(tracking_info.tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
 789                 /* remove the TME_LEAVE flag */
 790                 tracking_info.tme.dwFlags &= ~TME_LEAVE;
 791             }
 792         }
 793     }
 794 }
 795
 796 static void CALLBACK TrackMouseEventProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent,
 797                                          DWORD dwTime)
 798 {
 799     POINT pos;
 800     INT hoverwidth = 0, hoverheight = 0, hittest;
 801
 802     TRACE("hwnd %p, msg %04x, id %04lx, time %u\n", hwnd, uMsg, idEvent, dwTime);
 803
 804     GetCursorPos(&pos);
 805     hwnd = WINPOS_WindowFromPoint(hwnd, pos, &hittest);
 806
 807     TRACE("point %s hwnd %p hittest %d\n", wine_dbgstr_point(&pos), hwnd, hittest);
 808
 809     SystemParametersInfoW(SPI_GETMOUSEHOVERWIDTH, 0, &hoverwidth, 0);
 810     SystemParametersInfoW(SPI_GETMOUSEHOVERHEIGHT, 0, &hoverheight, 0);
 811
 812     TRACE("tracked pos %s, current pos %s, hover width %d, hover height %d\n",
 813            wine_dbgstr_point(&tracking_info.pos), wine_dbgstr_point(&pos),
 814            hoverwidth, hoverheight);
 815
 816     /* see if this tracking event is looking for TME_LEAVE and that the */
 817     /* mouse has left the window */
 818     if (tracking_info.tme.dwFlags & TME_LEAVE)
 819     {
 820         check_mouse_leave(hwnd, hittest);
 821     }
 822
 823     if (tracking_info.tme.hwndTrack != hwnd)
 824     {
 825         /* mouse is gone, stop tracking mouse hover */
 826         tracking_info.tme.dwFlags &= ~TME_HOVER;
 827     }
 828
 829     /* see if we are tracking hovering for this hwnd */
 830     if (tracking_info.tme.dwFlags & TME_HOVER)
 831     {
 832         /* has the cursor moved outside the rectangle centered around pos? */
 833         if ((abs(pos.x - tracking_info.pos.x) > (hoverwidth / 2)) ||
 834             (abs(pos.y - tracking_info.pos.y) > (hoverheight / 2)))
 835         {
 836             /* record this new position as the current position */
 837             tracking_info.pos = pos;
 838         }
 839         else
 840         {
 841             if (hittest == HTCLIENT)
 842             {
 843                 ScreenToClient(hwnd, &pos);
 844                 TRACE("client cursor pos %s\n", wine_dbgstr_point(&pos));
 845
 846                 PostMessageW(tracking_info.tme.hwndTrack, WM_MOUSEHOVER,
 847                              get_key_state(), MAKELPARAM( pos.x, pos.y ));
 848             }
 849             else
 850             {
 851                 if (tracking_info.tme.dwFlags & TME_NONCLIENT)
 852                     PostMessageW(tracking_info.tme.hwndTrack, WM_NCMOUSEHOVER,
 853                                  hittest, MAKELPARAM( pos.x, pos.y ));
 854             }
 855
 856             /* stop tracking mouse hover */
 857             tracking_info.tme.dwFlags &= ~TME_HOVER;
 858         }
 859     }
 860
 861     /* stop the timer if the tracking list is empty */
 862     if (!(tracking_info.tme.dwFlags & (TME_HOVER | TME_LEAVE)))
 863     {
 864         KillSystemTimer(tracking_info.tme.hwndTrack, timer);
 865         timer = 0;
 866         tracking_info.tme.hwndTrack = 0;
 867         tracking_info.tme.dwFlags = 0;
 868         tracking_info.tme.dwHoverTime = 0;
 869     }
 870 }
 871
 872
 873 /***********************************************************************
 874  * TrackMouseEvent [USER32]
 875  *
 876  * Requests notification of mouse events
 877  *
 878  * During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted
 879  * to the hwnd specified in the ptme structure.  After the event message
 880  * is posted to the hwnd, the entry in the queue is removed.
 881  *
 882  * If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely
 883  * ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted
 884  * immediately and the TME_LEAVE flag being ignored.
 885  *
 886  * PARAMS
 887  *     ptme [I,O] pointer to TRACKMOUSEEVENT information structure.
 888  *
 889  * RETURNS
 890  *     Success: non-zero
 891  *     Failure: zero
 892  *
 893  */
 894
 895 BOOL WINAPI
 896 TrackMouseEvent (TRACKMOUSEEVENT *ptme)
 897 {
 898     HWND hwnd;
 899     POINT pos;
 900     DWORD hover_time;
 901     INT hittest;
 902
 903     TRACE("%x, %x, %p, %u\n", ptme->cbSize, ptme->dwFlags, ptme->hwndTrack, ptme->dwHoverTime);
 904
 905     if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
 906         WARN("wrong TRACKMOUSEEVENT size from app\n");
 907         SetLastError(ERROR_INVALID_PARAMETER);
 908         return FALSE;
 909     }
 910
 911     /* fill the TRACKMOUSEEVENT struct with the current tracking for the given hwnd */
 912     if (ptme->dwFlags & TME_QUERY )
 913     {
 914         *ptme = tracking_info.tme;
 915         /* set cbSize in the case it's not initialized yet */
 916         ptme->cbSize = sizeof(TRACKMOUSEEVENT);
 917
 918         return TRUE; /* return here, TME_QUERY is retrieving information */
 919     }
 920
 921     if (!IsWindow(ptme->hwndTrack))
 922     {
 923         SetLastError(ERROR_INVALID_WINDOW_HANDLE);
 924         return FALSE;
 925     }
 926
 927     hover_time = ptme->dwHoverTime;
 928
 929     /* if HOVER_DEFAULT was specified replace this with the systems current value.
 930      * TME_LEAVE doesn't need to specify hover time so use default */
 931     if (hover_time == HOVER_DEFAULT || hover_time == 0 || !(ptme->dwHoverTime&TME_HOVER))
 932         SystemParametersInfoW(SPI_GETMOUSEHOVERTIME, 0, &hover_time, 0);
 933
 934     GetCursorPos(&pos);
 935     hwnd = WINPOS_WindowFromPoint(ptme->hwndTrack, pos, &hittest);
 936     TRACE("point %s hwnd %p hittest %d\n", wine_dbgstr_point(&pos), hwnd, hittest);
 937
 938     if (ptme->dwFlags & ~(TME_CANCEL | TME_HOVER | TME_LEAVE | TME_NONCLIENT))
 939         FIXME("Unknown flag(s) %08x\n", ptme->dwFlags & ~(TME_CANCEL | TME_HOVER | TME_LEAVE | TME_NONCLIENT));
 940
 941     if (ptme->dwFlags & TME_CANCEL)
 942     {
 943         if (tracking_info.tme.hwndTrack == ptme->hwndTrack)
 944         {
 945             tracking_info.tme.dwFlags &= ~(ptme->dwFlags & ~TME_CANCEL);
 946
 947             /* if we aren't tracking on hover or leave remove this entry */
 948             if (!(tracking_info.tme.dwFlags & (TME_HOVER | TME_LEAVE)))
 949             {
 950                 KillSystemTimer(tracking_info.tme.hwndTrack, timer);
 951                 timer = 0;
 952                 tracking_info.tme.hwndTrack = 0;
 953                 tracking_info.tme.dwFlags = 0;
 954                 tracking_info.tme.dwHoverTime = 0;
 955             }
 956         }
 957     } else {
 958         /* In our implementation it's possible that another window will receive a
 959          * WM_MOUSEMOVE and call TrackMouseEvent before TrackMouseEventProc is
 960          * called. In such a situation post the WM_MOUSELEAVE now */
 961         if (tracking_info.tme.dwFlags & TME_LEAVE && tracking_info.tme.hwndTrack != NULL)
 962             check_mouse_leave(hwnd, hittest);
 963
 964         if (timer)
 965         {
 966             KillSystemTimer(tracking_info.tme.hwndTrack, timer);
 967             timer = 0;
 968             tracking_info.tme.hwndTrack = 0;
 969             tracking_info.tme.dwFlags = 0;
 970             tracking_info.tme.dwHoverTime = 0;
 971         }
 972
 973         if (ptme->hwndTrack == hwnd)
 974         {
 975             /* Adding new mouse event to the tracking list */
 976             tracking_info.tme = *ptme;
 977             tracking_info.tme.dwHoverTime = hover_time;
 978
 979             /* Initialize HoverInfo variables even if not hover tracking */
 980             tracking_info.pos = pos;
 981
 982             timer = SetSystemTimer(tracking_info.tme.hwndTrack, (UINT_PTR)&tracking_info.tme, hover_time, TrackMouseEventProc);
 983         }
 984     }
 985
 986     return TRUE;
 987 }