ole32: Fix the warnings introduced by the "unsigned long" to "ULONG" header changes.
[wine] / dlls / user / 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 %04x, 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 }