wined3d: Fix CopyRects if pDestPointsArray is NULL.
[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 %ld, dy %ld, data %lx, flags %lx, time %lu, 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 %lx, time %lu, 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 %ld, 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 %lu\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         return 0;
599     ret = WideCharToMultiByte(CP_ACP, 0, buf, -1, lpBuffer, nSize, NULL, NULL);
600     if (!ret && nSize)
601     {
602         ret = nSize - 1;
603         lpBuffer[ret] = 0;
604     }
605     return ret;
606 }
607
608 /****************************************************************************
609  *              GetKeyNameTextW (USER32.@)
610  */
611 INT WINAPI GetKeyNameTextW(LONG lParam, LPWSTR lpBuffer, INT nSize)
612 {
613     return USER_Driver->pGetKeyNameText( lParam, lpBuffer, nSize );
614 }
615
616 /****************************************************************************
617  *              ToUnicode (USER32.@)
618  */
619 INT WINAPI ToUnicode(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
620                      LPWSTR lpwStr, int size, UINT flags)
621 {
622     return ToUnicodeEx(virtKey, scanCode, lpKeyState, lpwStr, size, flags, GetKeyboardLayout(0));
623 }
624
625 /****************************************************************************
626  *              ToUnicodeEx (USER32.@)
627  */
628 INT WINAPI ToUnicodeEx(UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
629                        LPWSTR lpwStr, int size, UINT flags, HKL hkl)
630 {
631     return USER_Driver->pToUnicodeEx(virtKey, scanCode, lpKeyState, lpwStr, size, flags, hkl);
632 }
633
634 /****************************************************************************
635  *              ToAscii (USER32.@)
636  */
637 INT WINAPI ToAscii( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
638                     LPWORD lpChar, UINT flags )
639 {
640     return ToAsciiEx(virtKey, scanCode, lpKeyState, lpChar, flags, GetKeyboardLayout(0));
641 }
642
643 /****************************************************************************
644  *              ToAsciiEx (USER32.@)
645  */
646 INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, LPBYTE lpKeyState,
647                       LPWORD lpChar, UINT flags, HKL dwhkl )
648 {
649     WCHAR uni_chars[2];
650     INT ret, n_ret;
651
652     ret = ToUnicodeEx(virtKey, scanCode, lpKeyState, uni_chars, 2, flags, dwhkl);
653     if (ret < 0) n_ret = 1; /* FIXME: make ToUnicode return 2 for dead chars */
654     else n_ret = ret;
655     WideCharToMultiByte(CP_ACP, 0, uni_chars, n_ret, (LPSTR)lpChar, 2, NULL, NULL);
656     return ret;
657 }
658
659 /**********************************************************************
660  *              ActivateKeyboardLayout (USER32.@)
661  */
662 HKL WINAPI ActivateKeyboardLayout(HKL hLayout, UINT flags)
663 {
664     TRACE_(keyboard)("(%p, %d)\n", hLayout, flags);
665
666     return USER_Driver->pActivateKeyboardLayout(hLayout, flags);
667 }
668
669
670 /***********************************************************************
671  *              GetKeyboardLayoutList (USER32.@)
672  *
673  * Return number of values available if either input parm is
674  *  0, per MS documentation.
675  */
676 UINT WINAPI GetKeyboardLayoutList(INT nBuff, HKL *layouts)
677 {
678     TRACE_(keyboard)("(%d,%p)\n",nBuff,layouts);
679
680     return USER_Driver->pGetKeyboardLayoutList(nBuff, layouts);
681 }
682
683
684 /***********************************************************************
685  *              RegisterHotKey (USER32.@)
686  */
687 BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk)
688 {
689     FIXME_(keyboard)("(%p,%d,0x%08x,%d): stub\n",hwnd,id,modifiers,vk);
690     return TRUE;
691 }
692
693 /***********************************************************************
694  *              UnregisterHotKey (USER32.@)
695  */
696 BOOL WINAPI UnregisterHotKey(HWND hwnd,INT id)
697 {
698     FIXME_(keyboard)("(%p,%d): stub\n",hwnd,id);
699     return TRUE;
700 }
701
702 /***********************************************************************
703  *              LoadKeyboardLayoutW (USER32.@)
704  */
705 HKL WINAPI LoadKeyboardLayoutW(LPCWSTR pwszKLID, UINT Flags)
706 {
707     TRACE_(keyboard)("(%s, %d)\n", debugstr_w(pwszKLID), Flags);
708
709     return USER_Driver->pLoadKeyboardLayout(pwszKLID, Flags);
710 }
711
712 /***********************************************************************
713  *              LoadKeyboardLayoutA (USER32.@)
714  */
715 HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
716 {
717     HKL ret;
718     UNICODE_STRING pwszKLIDW;
719
720     if (pwszKLID) RtlCreateUnicodeStringFromAsciiz(&pwszKLIDW, pwszKLID);
721     else pwszKLIDW.Buffer = NULL;
722
723     ret = LoadKeyboardLayoutW(pwszKLIDW.Buffer, Flags);
724     RtlFreeUnicodeString(&pwszKLIDW);
725     return ret;
726 }
727
728
729 /***********************************************************************
730  *              UnloadKeyboardLayout (USER32.@)
731  */
732 BOOL WINAPI UnloadKeyboardLayout(HKL hkl)
733 {
734     TRACE_(keyboard)("(%p)\n", hkl);
735
736     return USER_Driver->pUnloadKeyboardLayout(hkl);
737 }
738
739 typedef struct __TRACKINGLIST {
740     TRACKMOUSEEVENT tme;
741     POINT pos; /* center of hover rectangle */
742 } _TRACKINGLIST;
743
744 /* FIXME: move tracking stuff into a per thread data */
745 static _TRACKINGLIST tracking_info;
746 static UINT_PTR timer;
747
748 static void CALLBACK TrackMouseEventProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent,
749                                          DWORD dwTime)
750 {
751     POINT pos;
752     INT hoverwidth = 0, hoverheight = 0, hittest;
753
754     TRACE("hwnd %p, msg %04x, id %04x, time %lu\n", hwnd, uMsg, idEvent, dwTime);
755
756     GetCursorPos(&pos);
757     hwnd = WINPOS_WindowFromPoint(hwnd, pos, &hittest);
758
759     TRACE("point %s hwnd %p hittest %d\n", wine_dbgstr_point(&pos), hwnd, hittest);
760
761     SystemParametersInfoW(SPI_GETMOUSEHOVERWIDTH, 0, &hoverwidth, 0);
762     SystemParametersInfoW(SPI_GETMOUSEHOVERHEIGHT, 0, &hoverheight, 0);
763
764     TRACE("tracked pos %s, current pos %s, hover width %d, hover height %d\n",
765            wine_dbgstr_point(&tracking_info.pos), wine_dbgstr_point(&pos),
766            hoverwidth, hoverheight);
767
768     /* see if this tracking event is looking for TME_LEAVE and that the */
769     /* mouse has left the window */
770     if (tracking_info.tme.dwFlags & TME_LEAVE)
771     {
772         if (tracking_info.tme.hwndTrack != hwnd)
773         {
774             if (tracking_info.tme.dwFlags & TME_NONCLIENT)
775                 PostMessageW(tracking_info.tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
776             else
777                 PostMessageW(tracking_info.tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
778
779             /* remove the TME_LEAVE flag */
780             tracking_info.tme.dwFlags &= ~TME_LEAVE;
781         }
782         else
783         {
784             if (hittest == HTCLIENT)
785             {
786                 if (tracking_info.tme.dwFlags & TME_NONCLIENT)
787                 {
788                     PostMessageW(tracking_info.tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
789                     /* remove the TME_LEAVE flag */
790                     tracking_info.tme.dwFlags &= ~TME_LEAVE;
791                 }
792             }
793             else
794             {
795                 if (!(tracking_info.tme.dwFlags & TME_NONCLIENT))
796                 {
797                     PostMessageW(tracking_info.tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
798                     /* remove the TME_LEAVE flag */
799                     tracking_info.tme.dwFlags &= ~TME_LEAVE;
800                 }
801             }
802         }
803     }
804
805     if (tracking_info.tme.hwndTrack != hwnd)
806     {
807         /* mouse is gone, stop tracking mouse hover */
808         tracking_info.tme.dwFlags &= ~TME_HOVER;
809     }
810
811     /* see if we are tracking hovering for this hwnd */
812     if (tracking_info.tme.dwFlags & TME_HOVER)
813     {
814         /* has the cursor moved outside the rectangle centered around pos? */
815         if ((abs(pos.x - tracking_info.pos.x) > (hoverwidth / 2)) ||
816             (abs(pos.y - tracking_info.pos.y) > (hoverheight / 2)))
817         {
818             /* record this new position as the current position */
819             tracking_info.pos = pos;
820         }
821         else
822         {
823             if (hittest == HTCLIENT)
824             {
825                 ScreenToClient(hwnd, &pos);
826                 TRACE("client cursor pos %s\n", wine_dbgstr_point(&pos));
827
828                 PostMessageW(tracking_info.tme.hwndTrack, WM_MOUSEHOVER,
829                              get_key_state(), MAKELPARAM( pos.x, pos.y ));
830             }
831             else
832             {
833                 if (tracking_info.tme.dwFlags & TME_NONCLIENT)
834                     PostMessageW(tracking_info.tme.hwndTrack, WM_NCMOUSEHOVER,
835                                  hittest, MAKELPARAM( pos.x, pos.y ));
836             }
837
838             /* stop tracking mouse hover */
839             tracking_info.tme.dwFlags &= ~TME_HOVER;
840         }
841     }
842
843     /* stop the timer if the tracking list is empty */
844     if (!(tracking_info.tme.dwFlags & (TME_HOVER | TME_LEAVE)))
845     {
846         KillSystemTimer(tracking_info.tme.hwndTrack, timer);
847         timer = 0;
848         tracking_info.tme.hwndTrack = 0;
849         tracking_info.tme.dwFlags = 0;
850         tracking_info.tme.dwHoverTime = 0;
851     }
852 }
853
854
855 /***********************************************************************
856  * TrackMouseEvent [USER32]
857  *
858  * Requests notification of mouse events
859  *
860  * During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted
861  * to the hwnd specified in the ptme structure.  After the event message
862  * is posted to the hwnd, the entry in the queue is removed.
863  *
864  * If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely
865  * ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted
866  * immediately and the TME_LEAVE flag being ignored.
867  *
868  * PARAMS
869  *     ptme [I,O] pointer to TRACKMOUSEEVENT information structure.
870  *
871  * RETURNS
872  *     Success: non-zero
873  *     Failure: zero
874  *
875  */
876
877 BOOL WINAPI
878 TrackMouseEvent (TRACKMOUSEEVENT *ptme)
879 {
880     HWND hwnd;
881     POINT pos;
882     DWORD hover_time;
883     INT hittest;
884
885     TRACE("%lx, %lx, %p, %lu\n", ptme->cbSize, ptme->dwFlags, ptme->hwndTrack, ptme->dwHoverTime);
886
887     if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
888         WARN("wrong TRACKMOUSEEVENT size from app\n");
889         SetLastError(ERROR_INVALID_PARAMETER);
890         return FALSE;
891     }
892
893     /* fill the TRACKMOUSEEVENT struct with the current tracking for the given hwnd */
894     if (ptme->dwFlags & TME_QUERY )
895     {
896         *ptme = tracking_info.tme;
897         /* set cbSize in the case it's not initialized yet */
898         ptme->cbSize = sizeof(TRACKMOUSEEVENT);
899
900         return TRUE; /* return here, TME_QUERY is retrieving information */
901     }
902
903     if (!IsWindow(ptme->hwndTrack))
904     {
905         SetLastError(ERROR_INVALID_WINDOW_HANDLE);
906         return FALSE;
907     }
908
909     hover_time = ptme->dwHoverTime;
910
911     /* if HOVER_DEFAULT was specified replace this with the systems current value */
912     if (hover_time == HOVER_DEFAULT || hover_time == 0)
913         SystemParametersInfoW(SPI_GETMOUSEHOVERTIME, 0, &hover_time, 0);
914
915     GetCursorPos(&pos);
916     hwnd = WINPOS_WindowFromPoint(ptme->hwndTrack, pos, &hittest);
917     TRACE("point %s hwnd %p hittest %d\n", wine_dbgstr_point(&pos), hwnd, hittest);
918
919     if (ptme->dwFlags & ~(TME_CANCEL | TME_HOVER | TME_LEAVE | TME_NONCLIENT))
920         FIXME("Unknown flag(s) %08lx\n", ptme->dwFlags & ~(TME_CANCEL | TME_HOVER | TME_LEAVE | TME_NONCLIENT));
921
922     if (ptme->dwFlags & TME_CANCEL)
923     {
924         if (tracking_info.tme.hwndTrack == ptme->hwndTrack)
925         {
926             tracking_info.tme.dwFlags &= ~(ptme->dwFlags & ~TME_CANCEL);
927
928             /* if we aren't tracking on hover or leave remove this entry */
929             if (!(tracking_info.tme.dwFlags & (TME_HOVER | TME_LEAVE)))
930             {
931                 KillSystemTimer(tracking_info.tme.hwndTrack, timer);
932                 timer = 0;
933                 tracking_info.tme.hwndTrack = 0;
934                 tracking_info.tme.dwFlags = 0;
935                 tracking_info.tme.dwHoverTime = 0;
936             }
937         }
938     } else {
939         if (timer)
940         {
941             KillSystemTimer(tracking_info.tme.hwndTrack, timer);
942             timer = 0;
943             tracking_info.tme.hwndTrack = 0;
944             tracking_info.tme.dwFlags = 0;
945             tracking_info.tme.dwHoverTime = 0;
946         }
947
948         if (ptme->hwndTrack == hwnd)
949         {
950             /* Adding new mouse event to the tracking list */
951             tracking_info.tme = *ptme;
952             tracking_info.tme.dwHoverTime = hover_time;
953
954             /* Initialize HoverInfo variables even if not hover tracking */
955             tracking_info.pos = pos;
956
957             timer = SetSystemTimer(tracking_info.tme.hwndTrack, 0, hover_time, TrackMouseEventProc);
958         }
959     }
960
961     return TRUE;
962 }