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win32u: Don't use CDECL for gdi_dc_funcs entries.
[wine.git] / dlls / win32u / message.c
blobb3d941204557407bae3cae4a77a7b467f1405649
1 /*
2 * Window messaging support
3 *
4 * Copyright 2001 Alexandre Julliard
5 * Copyright 2008 Maarten Lankhorst
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22
23 #if 0
24 #pragma makedep unix
25 #endif
26
27 #include <assert.h>
28 #include "ntstatus.h"
29 #define WIN32_NO_STATUS
30 #include "win32u_private.h"
31 #include "ntuser_private.h"
32 #include "winnls.h"
33 #include "hidusage.h"
34 #include "dbt.h"
35 #include "dde.h"
36 #include "immdev.h"
37 #include "wine/server.h"
38 #include "wine/debug.h"
39
40 WINE_DEFAULT_DEBUG_CHANNEL(msg);
41 WINE_DECLARE_DEBUG_CHANNEL(key);
42 WINE_DECLARE_DEBUG_CHANNEL(relay);
43
44 #define MAX_WINPROC_RECURSION 64
45
46 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
47 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
48
49 #define MAX_PACK_COUNT 4
50
51 /* info about the message currently being received by the current thread */
52 struct received_message_info
53 {
54 UINT type;
55 MSG msg;
56 UINT flags; /* InSendMessageEx return flags */
57 LRESULT result;
58 struct received_message_info *prev;
59 };
60
61 #define MSG_CLIENT_MESSAGE 0xff
62
63 struct packed_hook_extra_info
64 {
65 user_handle_t handle;
66 DWORD __pad;
67 ULONGLONG lparam;
68 };
69
70 /* the structures are unpacked on top of the packed ones, so make sure they fit */
71 C_ASSERT( sizeof(struct packed_CREATESTRUCTW) >= sizeof(CREATESTRUCTW) );
72 C_ASSERT( sizeof(struct packed_DRAWITEMSTRUCT) >= sizeof(DRAWITEMSTRUCT) );
73 C_ASSERT( sizeof(struct packed_MEASUREITEMSTRUCT) >= sizeof(MEASUREITEMSTRUCT) );
74 C_ASSERT( sizeof(struct packed_DELETEITEMSTRUCT) >= sizeof(DELETEITEMSTRUCT) );
75 C_ASSERT( sizeof(struct packed_COMPAREITEMSTRUCT) >= sizeof(COMPAREITEMSTRUCT) );
76 C_ASSERT( sizeof(struct packed_WINDOWPOS) >= sizeof(WINDOWPOS) );
77 C_ASSERT( sizeof(struct packed_COPYDATASTRUCT) >= sizeof(COPYDATASTRUCT) );
78 C_ASSERT( sizeof(struct packed_HELPINFO) >= sizeof(HELPINFO) );
79 C_ASSERT( sizeof(struct packed_NCCALCSIZE_PARAMS) >= sizeof(NCCALCSIZE_PARAMS) + sizeof(WINDOWPOS) );
80 C_ASSERT( sizeof(struct packed_MSG) >= sizeof(MSG) );
81 C_ASSERT( sizeof(struct packed_MDINEXTMENU) >= sizeof(MDINEXTMENU) );
82 C_ASSERT( sizeof(struct packed_MDICREATESTRUCTW) >= sizeof(MDICREATESTRUCTW) );
83 C_ASSERT( sizeof(struct packed_hook_extra_info) >= sizeof(struct hook_extra_info) );
84
85 union packed_structs
86 {
87 struct packed_CREATESTRUCTW cs;
88 struct packed_DRAWITEMSTRUCT dis;
89 struct packed_MEASUREITEMSTRUCT mis;
90 struct packed_DELETEITEMSTRUCT dls;
91 struct packed_COMPAREITEMSTRUCT cis;
92 struct packed_WINDOWPOS wp;
93 struct packed_COPYDATASTRUCT cds;
94 struct packed_HELPINFO hi;
95 struct packed_NCCALCSIZE_PARAMS ncp;
96 struct packed_MSG msg;
97 struct packed_MDINEXTMENU mnm;
98 struct packed_MDICREATESTRUCTW mcs;
99 struct packed_hook_extra_info hook;
100 };
101
102 /* description of the data fields that need to be packed along with a sent message */
103 struct packed_message
104 {
105 union packed_structs ps;
106 int count;
107 const void *data[MAX_PACK_COUNT];
108 size_t size[MAX_PACK_COUNT];
109 };
110
111 /* structure to group all parameters for sent messages of the various kinds */
112 struct send_message_info
113 {
114 enum message_type type;
115 DWORD dest_tid;
116 HWND hwnd;
117 UINT msg;
118 WPARAM wparam;
119 LPARAM lparam;
120 UINT flags; /* flags for SendMessageTimeout */
121 UINT timeout; /* timeout for SendMessageTimeout */
122 SENDASYNCPROC callback; /* callback function for SendMessageCallback */
123 ULONG_PTR data; /* callback data */
124 enum wm_char_mapping wm_char;
125 struct win_proc_params *params;
126 };
127
128 static const INPUT_MESSAGE_SOURCE msg_source_unavailable = { IMDT_UNAVAILABLE, IMO_UNAVAILABLE };
129
130 /* flag for messages that contain pointers */
131 /* 32 messages per entry, messages 0..31 map to bits 0..31 */
132
133 #define SET(msg) (1 << ((msg) & 31))
134
135 static const unsigned int message_pointer_flags[] =
136 {
137 /* 0x00 - 0x1f */
138 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
139 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
140 /* 0x20 - 0x3f */
141 SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
142 SET(WM_COMPAREITEM),
143 /* 0x40 - 0x5f */
144 SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) | SET(WM_HELP),
145 /* 0x60 - 0x7f */
146 SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
147 /* 0x80 - 0x9f */
148 SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
149 /* 0xa0 - 0xbf */
150 SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
151 /* 0xc0 - 0xdf */
152 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
153 /* 0xe0 - 0xff */
154 SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
155 /* 0x100 - 0x11f */
156 0,
157 /* 0x120 - 0x13f */
158 0,
159 /* 0x140 - 0x15f */
160 SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
161 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
162 SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
163 /* 0x160 - 0x17f */
164 0,
165 /* 0x180 - 0x19f */
166 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
167 SET(LB_DIR) | SET(LB_FINDSTRING) |
168 SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
169 /* 0x1a0 - 0x1bf */
170 SET(LB_FINDSTRINGEXACT),
171 /* 0x1c0 - 0x1df */
172 0,
173 /* 0x1e0 - 0x1ff */
174 0,
175 /* 0x200 - 0x21f */
176 SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
177 /* 0x220 - 0x23f */
178 SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
179 SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
180 /* 0x240 - 0x25f */
181 0,
182 /* 0x260 - 0x27f */
183 0,
184 /* 0x280 - 0x29f */
185 0,
186 /* 0x2a0 - 0x2bf */
187 0,
188 /* 0x2c0 - 0x2df */
189 0,
190 /* 0x2e0 - 0x2ff */
191 0,
192 /* 0x300 - 0x31f */
193 SET(WM_ASKCBFORMATNAME)
194 };
195
196 /* check whether a given message type includes pointers */
197 static inline BOOL is_pointer_message( UINT message, WPARAM wparam )
198 {
199 if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
200 if (message == WM_DEVICECHANGE && !(wparam & 0x8000)) return FALSE;
201 return (message_pointer_flags[message / 32] & SET(message)) != 0;
202 }
203
204 #undef SET
205
206 static BOOL init_win_proc_params( struct win_proc_params *params, HWND hwnd, UINT msg,
207 WPARAM wparam, LPARAM lparam, BOOL ansi )
208 {
209 if (!params->func) return FALSE;
210
211 user_check_not_lock();
212
213 params->hwnd = get_full_window_handle( hwnd );
214 params->msg = msg;
215 params->wparam = wparam;
216 params->lparam = lparam;
217 params->ansi = params->ansi_dst = ansi;
218 params->needs_unpack = FALSE;
219 params->mapping = WMCHAR_MAP_CALLWINDOWPROC;
220 params->dpi_awareness = get_window_dpi_awareness_context( params->hwnd );
221 get_winproc_params( params, TRUE );
222 return TRUE;
223 }
224
225 static BOOL init_window_call_params( struct win_proc_params *params, HWND hwnd, UINT msg, WPARAM wParam,
226 LPARAM lParam, LRESULT *result, BOOL ansi,
227 enum wm_char_mapping mapping )
228 {
229 BOOL is_dialog;
230 WND *win;
231
232 user_check_not_lock();
233
234 if (!(win = get_win_ptr( hwnd ))) return FALSE;
235 if (win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
236 if (win->tid != GetCurrentThreadId())
237 {
238 release_win_ptr( win );
239 return FALSE;
240 }
241 params->func = win->winproc;
242 params->ansi_dst = !(win->flags & WIN_ISUNICODE);
243 is_dialog = win->dlgInfo != NULL;
244 release_win_ptr( win );
245
246 params->hwnd = get_full_window_handle( hwnd );
247 params->msg = msg;
248 params->wparam = wParam;
249 params->lparam = lParam;
250 params->result = result;
251 params->ansi = ansi;
252 params->needs_unpack = FALSE;
253 params->mapping = mapping;
254 params->dpi_awareness = get_window_dpi_awareness_context( params->hwnd );
255 get_winproc_params( params, !is_dialog );
256 return TRUE;
257 }
258
259 static BOOL dispatch_win_proc_params( struct win_proc_params *params, size_t size )
260 {
261 struct ntuser_thread_info *thread_info = NtUserGetThreadInfo();
262 void *ret_ptr;
263 ULONG ret_len;
264
265 if (thread_info->recursion_count > MAX_WINPROC_RECURSION) return FALSE;
266 thread_info->recursion_count++;
267
268 KeUserModeCallback( NtUserCallWinProc, params, size, &ret_ptr, &ret_len );
269 if (ret_len == sizeof(*params->result)) *params->result = *(LRESULT *)ret_ptr;
270
271 thread_info->recursion_count--;
272 return TRUE;
273 }
274
275 /* add a data field to a packed message */
276 static inline void push_data( struct packed_message *data, const void *ptr, size_t size )
277 {
278 data->data[data->count] = ptr;
279 data->size[data->count] = size;
280 data->count++;
281 }
282
283 /* pack a pointer into a 32/64 portable format */
284 static inline ULONGLONG pack_ptr( const void *ptr )
285 {
286 return (ULONG_PTR)ptr;
287 }
288
289 /* unpack a potentially 64-bit pointer, returning 0 when truncated */
290 static inline void *unpack_ptr( ULONGLONG ptr64 )
291 {
292 if ((ULONG_PTR)ptr64 != ptr64) return 0;
293 return (void *)(ULONG_PTR)ptr64;
294 }
295
296 /* add a string to a packed message */
297 static inline void push_string( struct packed_message *data, LPCWSTR str )
298 {
299 push_data( data, str, (lstrlenW(str) + 1) * sizeof(WCHAR) );
300 }
301
302 /* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
303 static inline BOOL combobox_has_strings( HWND hwnd )
304 {
305 DWORD style = get_window_long( hwnd, GWL_STYLE );
306 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
307 }
308
309 /* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
310 static inline BOOL listbox_has_strings( HWND hwnd )
311 {
312 DWORD style = get_window_long( hwnd, GWL_STYLE );
313 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
314 }
315
316 /* check whether message is in the range of keyboard messages */
317 static inline BOOL is_keyboard_message( UINT message )
318 {
319 return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
320 }
321
322 /* check whether message is in the range of mouse messages */
323 static inline BOOL is_mouse_message( UINT message )
324 {
325 return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
326 (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
327 }
328
329 /* check whether message matches the specified hwnd filter */
330 static inline BOOL check_hwnd_filter( const MSG *msg, HWND hwnd_filter )
331 {
332 if (!hwnd_filter || hwnd_filter == get_desktop_window()) return TRUE;
333 return (msg->hwnd == hwnd_filter || is_child( hwnd_filter, msg->hwnd ));
334 }
335
336 /***********************************************************************
337 * unpack_message
338 *
339 * Unpack a message received from another process.
340 */
341 static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
342 void **buffer, size_t size )
343 {
344 size_t minsize = 0;
345 union packed_structs *ps = *buffer;
346
347 switch(message)
348 {
349 case WM_WINE_SETWINDOWPOS:
350 {
351 WINDOWPOS wp;
352 if (size < sizeof(ps->wp)) return FALSE;
353 wp.hwnd = wine_server_ptr_handle( ps->wp.hwnd );
354 wp.hwndInsertAfter = wine_server_ptr_handle( ps->wp.hwndInsertAfter );
355 wp.x = ps->wp.x;
356 wp.y = ps->wp.y;
357 wp.cx = ps->wp.cx;
358 wp.cy = ps->wp.cy;
359 wp.flags = ps->wp.flags;
360 memcpy( ps, &wp, sizeof(wp) );
361 break;
362 }
363 case WM_WINE_KEYBOARD_LL_HOOK:
364 case WM_WINE_MOUSE_LL_HOOK:
365 {
366 struct hook_extra_info h_extra;
367 minsize = sizeof(ps->hook) +
368 (message == WM_WINE_KEYBOARD_LL_HOOK ? sizeof(KBDLLHOOKSTRUCT)
369 : sizeof(MSLLHOOKSTRUCT));
370 if (size < minsize) return FALSE;
371 h_extra.handle = wine_server_ptr_handle( ps->hook.handle );
372 h_extra.lparam = (LPARAM)(&ps->hook + 1);
373 memcpy( &ps->hook, &h_extra, sizeof(h_extra) );
374 break;
375 }
376 default:
377 return TRUE; /* message doesn't need any unpacking */
378 }
379
380 /* default exit for most messages: check minsize and store buffer in lparam */
381 if (size < minsize) return FALSE;
382 *lparam = (LPARAM)*buffer;
383 return TRUE;
384 }
385
386 /***********************************************************************
387 * pack_message
388 *
389 * Pack a message for sending to another process.
390 * Return the size of the data we expect in the message reply.
391 * Set data->count to -1 if there is an error.
392 */
393 static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
394 struct packed_message *data )
395 {
396 data->count = 0;
397 switch(message)
398 {
399 case WM_NCCREATE:
400 case WM_CREATE:
401 {
402 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
403 data->ps.cs.lpCreateParams = pack_ptr( cs->lpCreateParams );
404 data->ps.cs.hInstance = pack_ptr( cs->hInstance );
405 data->ps.cs.hMenu = wine_server_user_handle( cs->hMenu );
406 data->ps.cs.hwndParent = wine_server_user_handle( cs->hwndParent );
407 data->ps.cs.cy = cs->cy;
408 data->ps.cs.cx = cs->cx;
409 data->ps.cs.y = cs->y;
410 data->ps.cs.x = cs->x;
411 data->ps.cs.style = cs->style;
412 data->ps.cs.dwExStyle = cs->dwExStyle;
413 data->ps.cs.lpszName = pack_ptr( cs->lpszName );
414 data->ps.cs.lpszClass = pack_ptr( cs->lpszClass );
415 push_data( data, &data->ps.cs, sizeof(data->ps.cs) );
416 if (!IS_INTRESOURCE(cs->lpszName)) push_string( data, cs->lpszName );
417 if (!IS_INTRESOURCE(cs->lpszClass)) push_string( data, cs->lpszClass );
418 return sizeof(data->ps.cs);
419 }
420 case WM_GETTEXT:
421 case WM_ASKCBFORMATNAME:
422 return wparam * sizeof(WCHAR);
423 case WM_WININICHANGE:
424 if (lparam) push_string(data, (LPWSTR)lparam );
425 return 0;
426 case WM_SETTEXT:
427 case WM_DEVMODECHANGE:
428 case CB_DIR:
429 case LB_DIR:
430 case LB_ADDFILE:
431 case EM_REPLACESEL:
432 push_string( data, (LPWSTR)lparam );
433 return 0;
434 case WM_GETMINMAXINFO:
435 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
436 return sizeof(MINMAXINFO);
437 case WM_DRAWITEM:
438 {
439 DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)lparam;
440 data->ps.dis.CtlType = dis->CtlType;
441 data->ps.dis.CtlID = dis->CtlID;
442 data->ps.dis.itemID = dis->itemID;
443 data->ps.dis.itemAction = dis->itemAction;
444 data->ps.dis.itemState = dis->itemState;
445 data->ps.dis.hwndItem = wine_server_user_handle( dis->hwndItem );
446 data->ps.dis.hDC = wine_server_user_handle( dis->hDC ); /* FIXME */
447 data->ps.dis.rcItem = dis->rcItem;
448 data->ps.dis.itemData = dis->itemData;
449 push_data( data, &data->ps.dis, sizeof(data->ps.dis) );
450 return 0;
451 }
452 case WM_MEASUREITEM:
453 {
454 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
455 data->ps.mis.CtlType = mis->CtlType;
456 data->ps.mis.CtlID = mis->CtlID;
457 data->ps.mis.itemID = mis->itemID;
458 data->ps.mis.itemWidth = mis->itemWidth;
459 data->ps.mis.itemHeight = mis->itemHeight;
460 data->ps.mis.itemData = mis->itemData;
461 push_data( data, &data->ps.mis, sizeof(data->ps.mis) );
462 return sizeof(data->ps.mis);
463 }
464 case WM_DELETEITEM:
465 {
466 DELETEITEMSTRUCT *dls = (DELETEITEMSTRUCT *)lparam;
467 data->ps.dls.CtlType = dls->CtlType;
468 data->ps.dls.CtlID = dls->CtlID;
469 data->ps.dls.itemID = dls->itemID;
470 data->ps.dls.hwndItem = wine_server_user_handle( dls->hwndItem );
471 data->ps.dls.itemData = dls->itemData;
472 push_data( data, &data->ps.dls, sizeof(data->ps.dls) );
473 return 0;
474 }
475 case WM_COMPAREITEM:
476 {
477 COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)lparam;
478 data->ps.cis.CtlType = cis->CtlType;
479 data->ps.cis.CtlID = cis->CtlID;
480 data->ps.cis.hwndItem = wine_server_user_handle( cis->hwndItem );
481 data->ps.cis.itemID1 = cis->itemID1;
482 data->ps.cis.itemData1 = cis->itemData1;
483 data->ps.cis.itemID2 = cis->itemID2;
484 data->ps.cis.itemData2 = cis->itemData2;
485 data->ps.cis.dwLocaleId = cis->dwLocaleId;
486 push_data( data, &data->ps.cis, sizeof(data->ps.cis) );
487 return 0;
488 }
489 case WM_WINE_SETWINDOWPOS:
490 case WM_WINDOWPOSCHANGING:
491 case WM_WINDOWPOSCHANGED:
492 {
493 WINDOWPOS *wp = (WINDOWPOS *)lparam;
494 data->ps.wp.hwnd = wine_server_user_handle( wp->hwnd );
495 data->ps.wp.hwndInsertAfter = wine_server_user_handle( wp->hwndInsertAfter );
496 data->ps.wp.x = wp->x;
497 data->ps.wp.y = wp->y;
498 data->ps.wp.cx = wp->cx;
499 data->ps.wp.cy = wp->cy;
500 data->ps.wp.flags = wp->flags;
501 push_data( data, &data->ps.wp, sizeof(data->ps.wp) );
502 return sizeof(data->ps.wp);
503 }
504 case WM_COPYDATA:
505 {
506 COPYDATASTRUCT *cds = (COPYDATASTRUCT *)lparam;
507 data->ps.cds.cbData = cds->cbData;
508 data->ps.cds.dwData = cds->dwData;
509 data->ps.cds.lpData = pack_ptr( cds->lpData );
510 push_data( data, &data->ps.cds, sizeof(data->ps.cds) );
511 if (cds->lpData) push_data( data, cds->lpData, cds->cbData );
512 return 0;
513 }
514 case WM_NOTIFY:
515 /* WM_NOTIFY cannot be sent across processes (MSDN) */
516 data->count = -1;
517 return 0;
518 case WM_HELP:
519 {
520 HELPINFO *hi = (HELPINFO *)lparam;
521 data->ps.hi.iContextType = hi->iContextType;
522 data->ps.hi.iCtrlId = hi->iCtrlId;
523 data->ps.hi.hItemHandle = wine_server_user_handle( hi->hItemHandle );
524 data->ps.hi.dwContextId = hi->dwContextId;
525 data->ps.hi.MousePos = hi->MousePos;
526 push_data( data, &data->ps.hi, sizeof(data->ps.hi) );
527 return 0;
528 }
529 case WM_STYLECHANGING:
530 case WM_STYLECHANGED:
531 push_data( data, (STYLESTRUCT *)lparam, sizeof(STYLESTRUCT) );
532 return 0;
533 case WM_NCCALCSIZE:
534 if (!wparam)
535 {
536 push_data( data, (RECT *)lparam, sizeof(RECT) );
537 return sizeof(RECT);
538 }
539 else
540 {
541 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
542 data->ps.ncp.rgrc[0] = ncp->rgrc[0];
543 data->ps.ncp.rgrc[1] = ncp->rgrc[1];
544 data->ps.ncp.rgrc[2] = ncp->rgrc[2];
545 data->ps.ncp.hwnd = wine_server_user_handle( ncp->lppos->hwnd );
546 data->ps.ncp.hwndInsertAfter = wine_server_user_handle( ncp->lppos->hwndInsertAfter );
547 data->ps.ncp.x = ncp->lppos->x;
548 data->ps.ncp.y = ncp->lppos->y;
549 data->ps.ncp.cx = ncp->lppos->cx;
550 data->ps.ncp.cy = ncp->lppos->cy;
551 data->ps.ncp.flags = ncp->lppos->flags;
552 push_data( data, &data->ps.ncp, sizeof(data->ps.ncp) );
553 return sizeof(data->ps.ncp);
554 }
555 case WM_GETDLGCODE:
556 if (lparam)
557 {
558 MSG *msg = (MSG *)lparam;
559 data->ps.msg.hwnd = wine_server_user_handle( msg->hwnd );
560 data->ps.msg.message = msg->message;
561 data->ps.msg.wParam = msg->wParam;
562 data->ps.msg.lParam = msg->lParam;
563 data->ps.msg.time = msg->time;
564 data->ps.msg.pt = msg->pt;
565 push_data( data, &data->ps.msg, sizeof(data->ps.msg) );
566 return sizeof(data->ps.msg);
567 }
568 return 0;
569 case SBM_SETSCROLLINFO:
570 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
571 return 0;
572 case SBM_GETSCROLLINFO:
573 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
574 return sizeof(SCROLLINFO);
575 case SBM_GETSCROLLBARINFO:
576 {
577 const SCROLLBARINFO *info = (const SCROLLBARINFO *)lparam;
578 size_t size = min( info->cbSize, sizeof(SCROLLBARINFO) );
579 push_data( data, info, size );
580 return size;
581 }
582 case EM_GETSEL:
583 case SBM_GETRANGE:
584 case CB_GETEDITSEL:
585 {
586 size_t size = 0;
587 if (wparam) size += sizeof(DWORD);
588 if (lparam) size += sizeof(DWORD);
589 return size;
590 }
591 case EM_GETRECT:
592 case LB_GETITEMRECT:
593 case CB_GETDROPPEDCONTROLRECT:
594 return sizeof(RECT);
595 case EM_SETRECT:
596 case EM_SETRECTNP:
597 push_data( data, (RECT *)lparam, sizeof(RECT) );
598 return 0;
599 case EM_GETLINE:
600 {
601 WORD *pw = (WORD *)lparam;
602 push_data( data, pw, sizeof(*pw) );
603 return *pw * sizeof(WCHAR);
604 }
605 case EM_SETTABSTOPS:
606 case LB_SETTABSTOPS:
607 if (wparam) push_data( data, (UINT *)lparam, sizeof(UINT) * wparam );
608 return 0;
609 case CB_ADDSTRING:
610 case CB_INSERTSTRING:
611 case CB_FINDSTRING:
612 case CB_FINDSTRINGEXACT:
613 case CB_SELECTSTRING:
614 if (combobox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
615 return 0;
616 case CB_GETLBTEXT:
617 if (!combobox_has_strings( hwnd )) return sizeof(ULONG_PTR);
618 return (send_message( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
619 case LB_ADDSTRING:
620 case LB_INSERTSTRING:
621 case LB_FINDSTRING:
622 case LB_FINDSTRINGEXACT:
623 case LB_SELECTSTRING:
624 if (listbox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
625 return 0;
626 case LB_GETTEXT:
627 if (!listbox_has_strings( hwnd )) return sizeof(ULONG_PTR);
628 return (send_message( hwnd, LB_GETTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
629 case LB_GETSELITEMS:
630 return wparam * sizeof(UINT);
631 case WM_NEXTMENU:
632 {
633 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
634 data->ps.mnm.hmenuIn = wine_server_user_handle( mnm->hmenuIn );
635 data->ps.mnm.hmenuNext = wine_server_user_handle( mnm->hmenuNext );
636 data->ps.mnm.hwndNext = wine_server_user_handle( mnm->hwndNext );
637 push_data( data, &data->ps.mnm, sizeof(data->ps.mnm) );
638 return sizeof(data->ps.mnm);
639 }
640 case WM_SIZING:
641 case WM_MOVING:
642 push_data( data, (RECT *)lparam, sizeof(RECT) );
643 return sizeof(RECT);
644 case WM_MDICREATE:
645 {
646 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
647 data->ps.mcs.szClass = pack_ptr( mcs->szClass );
648 data->ps.mcs.szTitle = pack_ptr( mcs->szTitle );
649 data->ps.mcs.hOwner = pack_ptr( mcs->hOwner );
650 data->ps.mcs.x = mcs->x;
651 data->ps.mcs.y = mcs->y;
652 data->ps.mcs.cx = mcs->cx;
653 data->ps.mcs.cy = mcs->cy;
654 data->ps.mcs.style = mcs->style;
655 data->ps.mcs.lParam = mcs->lParam;
656 push_data( data, &data->ps.mcs, sizeof(data->ps.mcs) );
657 if (!IS_INTRESOURCE(mcs->szClass)) push_string( data, mcs->szClass );
658 if (!IS_INTRESOURCE(mcs->szTitle)) push_string( data, mcs->szTitle );
659 return sizeof(data->ps.mcs);
660 }
661 case WM_MDIGETACTIVE:
662 if (lparam) return sizeof(BOOL);
663 return 0;
664 case WM_DEVICECHANGE:
665 {
666 DEV_BROADCAST_HDR *header = (DEV_BROADCAST_HDR *)lparam;
667 if ((wparam & 0x8000) && header) push_data( data, header, header->dbch_size );
668 return 0;
669 }
670 case WM_WINE_KEYBOARD_LL_HOOK:
671 {
672 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
673 data->ps.hook.handle = wine_server_user_handle( h_extra->handle );
674 push_data( data, &data->ps.hook, sizeof(data->ps.hook) );
675 push_data( data, (LPVOID)h_extra->lparam, sizeof(KBDLLHOOKSTRUCT) );
676 return 0;
677 }
678 case WM_WINE_MOUSE_LL_HOOK:
679 {
680 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
681 data->ps.hook.handle = wine_server_user_handle( h_extra->handle );
682 push_data( data, &data->ps.hook, sizeof(data->ps.hook) );
683 push_data( data, (LPVOID)h_extra->lparam, sizeof(MSLLHOOKSTRUCT) );
684 return 0;
685 }
686 case WM_NCPAINT:
687 if (wparam <= 1) return 0;
688 FIXME( "WM_NCPAINT hdc packing not supported yet\n" );
689 data->count = -1;
690 return 0;
691 case WM_PAINT:
692 if (!wparam) return 0;
693 /* fall through */
694
695 /* these contain an HFONT */
696 case WM_SETFONT:
697 case WM_GETFONT:
698 /* these contain an HDC */
699 case WM_ERASEBKGND:
700 case WM_ICONERASEBKGND:
701 case WM_CTLCOLORMSGBOX:
702 case WM_CTLCOLOREDIT:
703 case WM_CTLCOLORLISTBOX:
704 case WM_CTLCOLORBTN:
705 case WM_CTLCOLORDLG:
706 case WM_CTLCOLORSCROLLBAR:
707 case WM_CTLCOLORSTATIC:
708 case WM_PRINT:
709 case WM_PRINTCLIENT:
710 /* these contain an HGLOBAL */
711 case WM_PAINTCLIPBOARD:
712 case WM_SIZECLIPBOARD:
713 /* these contain HICON */
714 case WM_GETICON:
715 case WM_SETICON:
716 case WM_QUERYDRAGICON:
717 case WM_QUERYPARKICON:
718 /* these contain pointers */
719 case WM_DROPOBJECT:
720 case WM_QUERYDROPOBJECT:
721 case WM_DRAGLOOP:
722 case WM_DRAGSELECT:
723 case WM_DRAGMOVE:
724 FIXME( "msg %x (%s) not supported yet\n", message, debugstr_msg_name(message, hwnd) );
725 data->count = -1;
726 return 0;
727 }
728 return 0;
729 }
730
731 /***********************************************************************
732 * pack_reply
733 *
734 * Pack a reply to a message for sending to another process.
735 */
736 static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
737 LRESULT res, struct packed_message *data )
738 {
739 data->count = 0;
740 switch(message)
741 {
742 case WM_NCCREATE:
743 case WM_CREATE:
744 {
745 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
746 data->ps.cs.lpCreateParams = (ULONG_PTR)cs->lpCreateParams;
747 data->ps.cs.hInstance = (ULONG_PTR)cs->hInstance;
748 data->ps.cs.hMenu = wine_server_user_handle( cs->hMenu );
749 data->ps.cs.hwndParent = wine_server_user_handle( cs->hwndParent );
750 data->ps.cs.cy = cs->cy;
751 data->ps.cs.cx = cs->cx;
752 data->ps.cs.y = cs->y;
753 data->ps.cs.x = cs->x;
754 data->ps.cs.style = cs->style;
755 data->ps.cs.dwExStyle = cs->dwExStyle;
756 data->ps.cs.lpszName = (ULONG_PTR)cs->lpszName;
757 data->ps.cs.lpszClass = (ULONG_PTR)cs->lpszClass;
758 push_data( data, &data->ps.cs, sizeof(data->ps.cs) );
759 break;
760 }
761 case WM_GETTEXT:
762 case CB_GETLBTEXT:
763 case LB_GETTEXT:
764 push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
765 break;
766 case WM_GETMINMAXINFO:
767 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
768 break;
769 case WM_MEASUREITEM:
770 {
771 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
772 data->ps.mis.CtlType = mis->CtlType;
773 data->ps.mis.CtlID = mis->CtlID;
774 data->ps.mis.itemID = mis->itemID;
775 data->ps.mis.itemWidth = mis->itemWidth;
776 data->ps.mis.itemHeight = mis->itemHeight;
777 data->ps.mis.itemData = mis->itemData;
778 push_data( data, &data->ps.mis, sizeof(data->ps.mis) );
779 break;
780 }
781 case WM_WINDOWPOSCHANGING:
782 case WM_WINDOWPOSCHANGED:
783 {
784 WINDOWPOS *wp = (WINDOWPOS *)lparam;
785 data->ps.wp.hwnd = wine_server_user_handle( wp->hwnd );
786 data->ps.wp.hwndInsertAfter = wine_server_user_handle( wp->hwndInsertAfter );
787 data->ps.wp.x = wp->x;
788 data->ps.wp.y = wp->y;
789 data->ps.wp.cx = wp->cx;
790 data->ps.wp.cy = wp->cy;
791 data->ps.wp.flags = wp->flags;
792 push_data( data, &data->ps.wp, sizeof(data->ps.wp) );
793 break;
794 }
795 case WM_GETDLGCODE:
796 if (lparam)
797 {
798 MSG *msg = (MSG *)lparam;
799 data->ps.msg.hwnd = wine_server_user_handle( msg->hwnd );
800 data->ps.msg.message = msg->message;
801 data->ps.msg.wParam = msg->wParam;
802 data->ps.msg.lParam = msg->lParam;
803 data->ps.msg.time = msg->time;
804 data->ps.msg.pt = msg->pt;
805 push_data( data, &data->ps.msg, sizeof(data->ps.msg) );
806 }
807 break;
808 case SBM_GETSCROLLINFO:
809 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
810 break;
811 case EM_GETRECT:
812 case LB_GETITEMRECT:
813 case CB_GETDROPPEDCONTROLRECT:
814 case WM_SIZING:
815 case WM_MOVING:
816 push_data( data, (RECT *)lparam, sizeof(RECT) );
817 break;
818 case EM_GETLINE:
819 {
820 WORD *ptr = (WORD *)lparam;
821 push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
822 break;
823 }
824 case LB_GETSELITEMS:
825 push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
826 break;
827 case WM_MDIGETACTIVE:
828 if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
829 break;
830 case WM_NCCALCSIZE:
831 if (!wparam)
832 push_data( data, (RECT *)lparam, sizeof(RECT) );
833 else
834 {
835 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
836 data->ps.ncp.rgrc[0] = ncp->rgrc[0];
837 data->ps.ncp.rgrc[1] = ncp->rgrc[1];
838 data->ps.ncp.rgrc[2] = ncp->rgrc[2];
839 data->ps.ncp.hwnd = wine_server_user_handle( ncp->lppos->hwnd );
840 data->ps.ncp.hwndInsertAfter = wine_server_user_handle( ncp->lppos->hwndInsertAfter );
841 data->ps.ncp.x = ncp->lppos->x;
842 data->ps.ncp.y = ncp->lppos->y;
843 data->ps.ncp.cx = ncp->lppos->cx;
844 data->ps.ncp.cy = ncp->lppos->cy;
845 data->ps.ncp.flags = ncp->lppos->flags;
846 push_data( data, &data->ps.ncp, sizeof(data->ps.ncp) );
847 }
848 break;
849 case EM_GETSEL:
850 case SBM_GETRANGE:
851 case CB_GETEDITSEL:
852 if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
853 if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
854 break;
855 case WM_NEXTMENU:
856 {
857 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
858 data->ps.mnm.hmenuIn = wine_server_user_handle( mnm->hmenuIn );
859 data->ps.mnm.hmenuNext = wine_server_user_handle( mnm->hmenuNext );
860 data->ps.mnm.hwndNext = wine_server_user_handle( mnm->hwndNext );
861 push_data( data, &data->ps.mnm, sizeof(data->ps.mnm) );
862 break;
863 }
864 case WM_MDICREATE:
865 {
866 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
867 data->ps.mcs.szClass = pack_ptr( mcs->szClass );
868 data->ps.mcs.szTitle = pack_ptr( mcs->szTitle );
869 data->ps.mcs.hOwner = pack_ptr( mcs->hOwner );
870 data->ps.mcs.x = mcs->x;
871 data->ps.mcs.y = mcs->y;
872 data->ps.mcs.cx = mcs->cx;
873 data->ps.mcs.cy = mcs->cy;
874 data->ps.mcs.style = mcs->style;
875 data->ps.mcs.lParam = mcs->lParam;
876 push_data( data, &data->ps.mcs, sizeof(data->ps.mcs) );
877 break;
878 }
879 case WM_ASKCBFORMATNAME:
880 push_data( data, (WCHAR *)lparam, (lstrlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
881 break;
882 }
883 }
884
885 /***********************************************************************
886 * unpack_reply
887 *
888 * Unpack a message reply received from another process.
889 */
890 static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
891 void *buffer, size_t size )
892 {
893 union packed_structs *ps = buffer;
894
895 switch(message)
896 {
897 case WM_NCCREATE:
898 case WM_CREATE:
899 if (size >= sizeof(ps->cs))
900 {
901 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
902 cs->lpCreateParams = unpack_ptr( ps->cs.lpCreateParams );
903 cs->hInstance = unpack_ptr( ps->cs.hInstance );
904 cs->hMenu = wine_server_ptr_handle( ps->cs.hMenu );
905 cs->hwndParent = wine_server_ptr_handle( ps->cs.hwndParent );
906 cs->cy = ps->cs.cy;
907 cs->cx = ps->cs.cx;
908 cs->y = ps->cs.y;
909 cs->x = ps->cs.x;
910 cs->style = ps->cs.style;
911 cs->dwExStyle = ps->cs.dwExStyle;
912 /* don't allow changing name and class pointers */
913 }
914 break;
915 case WM_GETTEXT:
916 case WM_ASKCBFORMATNAME:
917 memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
918 break;
919 case WM_GETMINMAXINFO:
920 memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
921 break;
922 case WM_MEASUREITEM:
923 if (size >= sizeof(ps->mis))
924 {
925 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
926 mis->CtlType = ps->mis.CtlType;
927 mis->CtlID = ps->mis.CtlID;
928 mis->itemID = ps->mis.itemID;
929 mis->itemWidth = ps->mis.itemWidth;
930 mis->itemHeight = ps->mis.itemHeight;
931 mis->itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData );
932 }
933 break;
934 case WM_WINDOWPOSCHANGING:
935 case WM_WINDOWPOSCHANGED:
936 if (size >= sizeof(ps->wp))
937 {
938 WINDOWPOS *wp = (WINDOWPOS *)lparam;
939 wp->hwnd = wine_server_ptr_handle( ps->wp.hwnd );
940 wp->hwndInsertAfter = wine_server_ptr_handle( ps->wp.hwndInsertAfter );
941 wp->x = ps->wp.x;
942 wp->y = ps->wp.y;
943 wp->cx = ps->wp.cx;
944 wp->cy = ps->wp.cy;
945 wp->flags = ps->wp.flags;
946 }
947 break;
948 case WM_GETDLGCODE:
949 if (lparam && size >= sizeof(ps->msg))
950 {
951 MSG *msg = (MSG *)lparam;
952 msg->hwnd = wine_server_ptr_handle( ps->msg.hwnd );
953 msg->message = ps->msg.message;
954 msg->wParam = (ULONG_PTR)unpack_ptr( ps->msg.wParam );
955 msg->lParam = (ULONG_PTR)unpack_ptr( ps->msg.lParam );
956 msg->time = ps->msg.time;
957 msg->pt = ps->msg.pt;
958 }
959 break;
960 case SBM_GETSCROLLINFO:
961 memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
962 break;
963 case SBM_GETSCROLLBARINFO:
964 memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
965 break;
966 case EM_GETRECT:
967 case CB_GETDROPPEDCONTROLRECT:
968 case LB_GETITEMRECT:
969 case WM_SIZING:
970 case WM_MOVING:
971 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
972 break;
973 case EM_GETLINE:
974 size = min( size, (size_t)*(WORD *)lparam );
975 memcpy( (WCHAR *)lparam, buffer, size );
976 break;
977 case LB_GETSELITEMS:
978 memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
979 break;
980 case LB_GETTEXT:
981 case CB_GETLBTEXT:
982 memcpy( (WCHAR *)lparam, buffer, size );
983 break;
984 case WM_NEXTMENU:
985 if (size >= sizeof(ps->mnm))
986 {
987 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
988 mnm->hmenuIn = wine_server_ptr_handle( ps->mnm.hmenuIn );
989 mnm->hmenuNext = wine_server_ptr_handle( ps->mnm.hmenuNext );
990 mnm->hwndNext = wine_server_ptr_handle( ps->mnm.hwndNext );
991 }
992 break;
993 case WM_MDIGETACTIVE:
994 if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
995 break;
996 case WM_NCCALCSIZE:
997 if (!wparam)
998 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
999 else if (size >= sizeof(ps->ncp))
1000 {
1001 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
1002 ncp->rgrc[0] = ps->ncp.rgrc[0];
1003 ncp->rgrc[1] = ps->ncp.rgrc[1];
1004 ncp->rgrc[2] = ps->ncp.rgrc[2];
1005 ncp->lppos->hwnd = wine_server_ptr_handle( ps->ncp.hwnd );
1006 ncp->lppos->hwndInsertAfter = wine_server_ptr_handle( ps->ncp.hwndInsertAfter );
1007 ncp->lppos->x = ps->ncp.x;
1008 ncp->lppos->y = ps->ncp.y;
1009 ncp->lppos->cx = ps->ncp.cx;
1010 ncp->lppos->cy = ps->ncp.cy;
1011 ncp->lppos->flags = ps->ncp.flags;
1012 }
1013 break;
1014 case EM_GETSEL:
1015 case SBM_GETRANGE:
1016 case CB_GETEDITSEL:
1017 if (wparam)
1018 {
1019 memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
1020 if (size <= sizeof(DWORD)) break;
1021 size -= sizeof(DWORD);
1022 buffer = (DWORD *)buffer + 1;
1023 }
1024 if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
1025 break;
1026 case WM_MDICREATE:
1027 if (size >= sizeof(ps->mcs))
1028 {
1029 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
1030 mcs->hOwner = unpack_ptr( ps->mcs.hOwner );
1031 mcs->x = ps->mcs.x;
1032 mcs->y = ps->mcs.y;
1033 mcs->cx = ps->mcs.cx;
1034 mcs->cy = ps->mcs.cy;
1035 mcs->style = ps->mcs.style;
1036 mcs->lParam = (LPARAM)unpack_ptr( ps->mcs.lParam );
1037 /* don't allow changing class and title pointers */
1038 }
1039 break;
1040 default:
1041 ERR( "should not happen: unexpected message %x\n", message );
1042 break;
1043 }
1044 }
1045
1046 /***********************************************************************
1047 * copy_reply
1048 *
1049 * Copy a message reply received from client.
1050 */
1051 static void copy_reply( LRESULT result, HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1052 WPARAM wparam_src, LPARAM lparam_src )
1053 {
1054 size_t copy_size = 0;
1055
1056 switch(message)
1057 {
1058 case WM_NCCREATE:
1059 case WM_CREATE:
1060 {
1061 CREATESTRUCTW *dst = (CREATESTRUCTW *)lparam;
1062 CREATESTRUCTW *src = (CREATESTRUCTW *)lparam_src;
1063 dst->lpCreateParams = src->lpCreateParams;
1064 dst->hInstance = src->hInstance;
1065 dst->hMenu = src->hMenu;
1066 dst->hwndParent = src->hwndParent;
1067 dst->cy = src->cy;
1068 dst->cx = src->cx;
1069 dst->y = src->y;
1070 dst->x = src->x;
1071 dst->style = src->style;
1072 dst->dwExStyle = src->dwExStyle;
1073 /* don't allow changing name and class pointers */
1074 }
1075 return;
1076 case WM_GETTEXT:
1077 case CB_GETLBTEXT:
1078 case LB_GETTEXT:
1079 copy_size = (result + 1) * sizeof(WCHAR);
1080 break;
1081 case WM_GETMINMAXINFO:
1082 copy_size = sizeof(MINMAXINFO);
1083 break;
1084 case WM_MEASUREITEM:
1085 copy_size = sizeof(MEASUREITEMSTRUCT);
1086 break;
1087 case WM_WINDOWPOSCHANGING:
1088 case WM_WINDOWPOSCHANGED:
1089 copy_size = sizeof(WINDOWPOS);
1090 break;
1091 case WM_STYLECHANGING:
1092 copy_size = sizeof(STYLESTRUCT);
1093 break;
1094 case WM_GETDLGCODE:
1095 if (lparam) copy_size = sizeof(MSG);
1096 break;
1097 case SBM_GETSCROLLINFO:
1098 copy_size = sizeof(SCROLLINFO);
1099 break;
1100 case SBM_GETSCROLLBARINFO:
1101 copy_size = sizeof(SCROLLBARINFO);
1102 break;
1103 case EM_GETRECT:
1104 case LB_GETITEMRECT:
1105 case CB_GETDROPPEDCONTROLRECT:
1106 case WM_SIZING:
1107 case WM_MOVING:
1108 copy_size = sizeof(RECT);
1109 break;
1110 case EM_GETLINE:
1111 {
1112 WORD *ptr = (WORD *)lparam;
1113 copy_size = ptr[-1] * sizeof(WCHAR);
1114 break;
1115 }
1116 case LB_GETSELITEMS:
1117 copy_size = wparam * sizeof(UINT);
1118 break;
1119 case WM_MDIGETACTIVE:
1120 if (lparam) copy_size = sizeof(BOOL);
1121 break;
1122 case WM_NCCALCSIZE:
1123 if (wparam)
1124 {
1125 NCCALCSIZE_PARAMS *dst = (NCCALCSIZE_PARAMS *)lparam;
1126 NCCALCSIZE_PARAMS *src = (NCCALCSIZE_PARAMS *)lparam_src;
1127 dst->rgrc[0] = src->rgrc[0];
1128 dst->rgrc[1] = src->rgrc[1];
1129 dst->rgrc[2] = src->rgrc[2];
1130 *dst->lppos = *src->lppos;
1131 return;
1132 }
1133 copy_size = sizeof(RECT);
1134 break;
1135 case EM_GETSEL:
1136 case SBM_GETRANGE:
1137 case CB_GETEDITSEL:
1138 if (wparam) *(DWORD *)wparam = *(DWORD *)wparam_src;
1139 if (lparam) copy_size = sizeof(DWORD);
1140 break;
1141 case WM_NEXTMENU:
1142 copy_size = sizeof(MDINEXTMENU);
1143 break;
1144 case WM_MDICREATE:
1145 copy_size = sizeof(MDICREATESTRUCTW);
1146 break;
1147 case WM_ASKCBFORMATNAME:
1148 copy_size = (lstrlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR);
1149 break;
1150 default:
1151 return;
1152 }
1153
1154 if (copy_size) memcpy( (void *)lparam, (void *)lparam_src, copy_size );
1155 }
1156
1157 /***********************************************************************
1158 * reply_message
1159 *
1160 * Send a reply to a sent message.
1161 */
1162 static void reply_message( struct received_message_info *info, LRESULT result, MSG *msg )
1163 {
1164 struct packed_message data;
1165 int i, replied = info->flags & ISMEX_REPLIED;
1166 BOOL remove = msg != NULL;
1167
1168 if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
1169 if (!remove && replied) return; /* replied already */
1170
1171 memset( &data, 0, sizeof(data) );
1172 info->flags |= ISMEX_REPLIED;
1173 if (info == get_user_thread_info()->receive_info)
1174 NtUserGetThreadInfo()->receive_flags = info->flags;
1175
1176 if (info->type == MSG_OTHER_PROCESS && !replied)
1177 {
1178 if (!msg) msg = &info->msg;
1179 pack_reply( msg->hwnd, msg->message, msg->wParam, msg->lParam, result, &data );
1180 }
1181
1182 SERVER_START_REQ( reply_message )
1183 {
1184 req->result = result;
1185 req->remove = remove;
1186 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
1187 wine_server_call( req );
1188 }
1189 SERVER_END_REQ;
1190 }
1191
1192 /***********************************************************************
1193 * reply_message_result
1194 *
1195 * Send a reply to a sent message and update thread receive info.
1196 */
1197 BOOL reply_message_result( LRESULT result )
1198 {
1199 struct user_thread_info *thread_info = get_user_thread_info();
1200 struct received_message_info *info = thread_info->receive_info;
1201
1202 while (info && info->type == MSG_CLIENT_MESSAGE) info = info->prev;
1203 if (!info) return FALSE;
1204 reply_message( info, result, NULL );
1205 return TRUE;
1206 }
1207
1208 /***********************************************************************
1209 * reply_winproc_result
1210 *
1211 * Send a reply to a sent message and update thread receive info.
1212 */
1213 static BOOL reply_winproc_result( LRESULT result, HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam )
1214 {
1215 struct user_thread_info *thread_info = get_user_thread_info();
1216 struct received_message_info *info = thread_info->receive_info;
1217 MSG msg;
1218
1219 if (!info) return FALSE;
1220
1221 if (info->type == MSG_CLIENT_MESSAGE)
1222 {
1223 copy_reply( result, hwnd, message, info->msg.wParam, info->msg.lParam, wparam, lparam );
1224 info->result = result;
1225 return TRUE;
1226 }
1227
1228 msg.hwnd = hwnd;
1229 msg.message = message;
1230 msg.wParam = wparam;
1231 msg.lParam = lparam;
1232 reply_message( info, result, &msg );
1233
1234 thread_info->receive_info = info->prev;
1235 thread_info->client_info.receive_flags = info->prev ? info->prev->flags : ISMEX_NOSEND;
1236 return TRUE;
1237 }
1238
1239 /***********************************************************************
1240 * handle_internal_message
1241 *
1242 * Handle an internal Wine message instead of calling the window proc.
1243 */
1244 static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
1245 {
1246 switch(msg)
1247 {
1248 case WM_WINE_DESTROYWINDOW:
1249 return destroy_window( hwnd );
1250 case WM_WINE_SETWINDOWPOS:
1251 if (is_desktop_window( hwnd )) return 0;
1252 return set_window_pos( (WINDOWPOS *)lparam, 0, 0 );
1253 case WM_WINE_SHOWWINDOW:
1254 if (is_desktop_window( hwnd )) return 0;
1255 return NtUserShowWindow( hwnd, wparam );
1256 case WM_WINE_SETPARENT:
1257 if (is_desktop_window( hwnd )) return 0;
1258 return HandleToUlong( NtUserSetParent( hwnd, UlongToHandle(wparam) ));
1259 case WM_WINE_SETWINDOWLONG:
1260 return set_window_long( hwnd, (short)LOWORD(wparam), HIWORD(wparam), lparam, FALSE );
1261 case WM_WINE_SETSTYLE:
1262 if (is_desktop_window( hwnd )) return 0;
1263 return set_window_style( hwnd, wparam, lparam );
1264 case WM_WINE_SETACTIVEWINDOW:
1265 if (!wparam && NtUserGetForegroundWindow() == hwnd) return 0;
1266 return (LRESULT)NtUserSetActiveWindow( (HWND)wparam );
1267 case WM_WINE_KEYBOARD_LL_HOOK:
1268 case WM_WINE_MOUSE_LL_HOOK:
1269 {
1270 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1271
1272 return call_current_hook( h_extra->handle, HC_ACTION, wparam, h_extra->lparam );
1273 }
1274 case WM_WINE_CLIPCURSOR:
1275 if (wparam)
1276 {
1277 RECT rect;
1278 get_clip_cursor( &rect );
1279 return user_driver->pClipCursor( &rect );
1280 }
1281 return user_driver->pClipCursor( NULL );
1282 case WM_WINE_UPDATEWINDOWSTATE:
1283 update_window_state( hwnd );
1284 return 0;
1285 default:
1286 if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
1287 return user_driver->pWindowMessage( hwnd, msg, wparam, lparam );
1288 FIXME( "unknown internal message %x\n", msg );
1289 return 0;
1290 }
1291 }
1292
1293 /**********************************************************************
1294 * NtUserGetGUIThreadInfo (win32u.@)
1295 */
1296 BOOL WINAPI NtUserGetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
1297 {
1298 BOOL ret;
1299
1300 if (info->cbSize != sizeof(*info))
1301 {
1302 RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
1303 return FALSE;
1304 }
1305
1306 SERVER_START_REQ( get_thread_input )
1307 {
1308 req->tid = id;
1309 if ((ret = !wine_server_call_err( req )))
1310 {
1311 info->flags = 0;
1312 info->hwndActive = wine_server_ptr_handle( reply->active );
1313 info->hwndFocus = wine_server_ptr_handle( reply->focus );
1314 info->hwndCapture = wine_server_ptr_handle( reply->capture );
1315 info->hwndMenuOwner = wine_server_ptr_handle( reply->menu_owner );
1316 info->hwndMoveSize = wine_server_ptr_handle( reply->move_size );
1317 info->hwndCaret = wine_server_ptr_handle( reply->caret );
1318 info->rcCaret.left = reply->rect.left;
1319 info->rcCaret.top = reply->rect.top;
1320 info->rcCaret.right = reply->rect.right;
1321 info->rcCaret.bottom = reply->rect.bottom;
1322 if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
1323 if (reply->move_size) info->flags |= GUI_INMOVESIZE;
1324 if (reply->caret) info->flags |= GUI_CARETBLINKING;
1325 }
1326 }
1327 SERVER_END_REQ;
1328 return ret;
1329 }
1330
1331 /***********************************************************************
1332 * call_window_proc
1333 *
1334 * Call a window procedure and the corresponding hooks.
1335 */
1336 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
1337 BOOL unicode, BOOL same_thread, enum wm_char_mapping mapping,
1338 BOOL needs_unpack, void *buffer, size_t size )
1339 {
1340 struct win_proc_params p, *params = &p;
1341 LRESULT result = 0;
1342 CWPSTRUCT cwp;
1343 CWPRETSTRUCT cwpret;
1344
1345 if (msg & 0x80000000)
1346 return handle_internal_message( hwnd, msg, wparam, lparam );
1347
1348 if (!needs_unpack) size = 0;
1349 if (!is_current_thread_window( hwnd )) return 0;
1350
1351 /* first the WH_CALLWNDPROC hook */
1352 cwp.lParam = lparam;
1353 cwp.wParam = wparam;
1354 cwp.message = msg;
1355 cwp.hwnd = hwnd = get_full_window_handle( hwnd );
1356 call_hooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, sizeof(cwp) );
1357
1358 if (size && !(params = malloc( sizeof(*params) + size ))) return 0;
1359 if (!init_window_call_params( params, hwnd, msg, wparam, lparam, &result, !unicode, mapping ))
1360 {
1361 if (params != &p) free( params );
1362 return 0;
1363 }
1364
1365 if (needs_unpack)
1366 {
1367 params->needs_unpack = TRUE;
1368 params->ansi = FALSE;
1369 if (size) memcpy( params + 1, buffer, size );
1370 }
1371 dispatch_win_proc_params( params, sizeof(*params) + size );
1372 if (params != &p) free( params );
1373
1374 /* and finally the WH_CALLWNDPROCRET hook */
1375 cwpret.lResult = result;
1376 cwpret.lParam = lparam;
1377 cwpret.wParam = wparam;
1378 cwpret.message = msg;
1379 cwpret.hwnd = hwnd;
1380 call_hooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, sizeof(cwpret) );
1381 return result;
1382 }
1383
1384 /***********************************************************************
1385 * call_sendmsg_callback
1386 *
1387 * Call the callback function of SendMessageCallback.
1388 */
1389 static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
1390 ULONG_PTR data, LRESULT result )
1391 {
1392 struct send_async_params params;
1393 void *ret_ptr;
1394 ULONG ret_len;
1395
1396 if (!callback) return;
1397
1398 params.callback = callback;
1399 params.hwnd = hwnd;
1400 params.msg = msg;
1401 params.data = data;
1402 params.result = result;
1403
1404 TRACE_(relay)( "\1Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1405 callback, hwnd, debugstr_msg_name( msg, hwnd ), data, result );
1406
1407 KeUserModeCallback( NtUserCallSendAsyncCallback, &params, sizeof(params), &ret_ptr, &ret_len );
1408
1409 TRACE_(relay)( "\1Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1410 callback, hwnd, debugstr_msg_name( msg, hwnd ), data, result );
1411 }
1412
1413 /***********************************************************************
1414 * accept_hardware_message
1415 *
1416 * Tell the server we have passed the message to the app
1417 * (even though we may end up dropping it later on)
1418 */
1419 static void accept_hardware_message( UINT hw_id )
1420 {
1421 SERVER_START_REQ( accept_hardware_message )
1422 {
1423 req->hw_id = hw_id;
1424 if (wine_server_call( req ))
1425 FIXME("Failed to reply to MSG_HARDWARE message. Message may not be removed from queue.\n");
1426 }
1427 SERVER_END_REQ;
1428 }
1429
1430 /***********************************************************************
1431 * send_parent_notify
1432 *
1433 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
1434 * the window has the WS_EX_NOPARENTNOTIFY style.
1435 */
1436 static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
1437 {
1438 /* pt has to be in the client coordinates of the parent window */
1439 map_window_points( 0, hwnd, &pt, 1, get_thread_dpi() );
1440 for (;;)
1441 {
1442 HWND parent;
1443
1444 if (!(get_window_long( hwnd, GWL_STYLE ) & WS_CHILD)) break;
1445 if (get_window_long( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
1446 if (!(parent = get_parent( hwnd ))) break;
1447 if (parent == get_desktop_window()) break;
1448 map_window_points( hwnd, parent, &pt, 1, get_thread_dpi() );
1449 hwnd = parent;
1450 send_message( hwnd, WM_PARENTNOTIFY,
1451 MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
1452 }
1453 }
1454
1455 /***********************************************************************
1456 * process_keyboard_message
1457 *
1458 * returns TRUE if the contents of 'msg' should be passed to the application
1459 */
1460 static BOOL process_keyboard_message( MSG *msg, UINT hw_id, HWND hwnd_filter,
1461 UINT first, UINT last, BOOL remove )
1462 {
1463 EVENTMSG event;
1464
1465 if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN ||
1466 msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
1467 switch (msg->wParam)
1468 {
1469 case VK_LSHIFT: case VK_RSHIFT:
1470 msg->wParam = VK_SHIFT;
1471 break;
1472 case VK_LCONTROL: case VK_RCONTROL:
1473 msg->wParam = VK_CONTROL;
1474 break;
1475 case VK_LMENU: case VK_RMENU:
1476 msg->wParam = VK_MENU;
1477 break;
1478 }
1479
1480 /* FIXME: is this really the right place for this hook? */
1481 event.message = msg->message;
1482 event.hwnd = msg->hwnd;
1483 event.time = msg->time;
1484 event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
1485 event.paramH = msg->lParam & 0x7FFF;
1486 if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
1487 call_hooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, sizeof(event) );
1488
1489 /* check message filters */
1490 if (msg->message < first || msg->message > last) return FALSE;
1491 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1492
1493 if (remove)
1494 {
1495 if((msg->message == WM_KEYDOWN) &&
1496 (msg->hwnd != get_desktop_window()))
1497 {
1498 /* Handle F1 key by sending out WM_HELP message */
1499 if (msg->wParam == VK_F1)
1500 {
1501 NtUserPostMessage( msg->hwnd, WM_KEYF1, 0, 0 );
1502 }
1503 else if(msg->wParam >= VK_BROWSER_BACK &&
1504 msg->wParam <= VK_LAUNCH_APP2)
1505 {
1506 /* FIXME: Process keystate */
1507 send_message( msg->hwnd, WM_APPCOMMAND, (WPARAM)msg->hwnd,
1508 MAKELPARAM(0, (FAPPCOMMAND_KEY | (msg->wParam - VK_BROWSER_BACK + 1))) );
1509 }
1510 }
1511 else if (msg->message == WM_KEYUP)
1512 {
1513 /* Handle VK_APPS key by posting a WM_CONTEXTMENU message */
1514 if (msg->wParam == VK_APPS && !is_menu_active())
1515 NtUserPostMessage( msg->hwnd, WM_CONTEXTMENU, (WPARAM)msg->hwnd, -1 );
1516 }
1517 }
1518
1519 if (call_hooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
1520 LOWORD(msg->wParam), msg->lParam, 0 ))
1521 {
1522 /* skip this message */
1523 call_hooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, 0 );
1524 accept_hardware_message( hw_id );
1525 return FALSE;
1526 }
1527 if (remove) accept_hardware_message( hw_id );
1528 msg->pt = point_phys_to_win_dpi( msg->hwnd, msg->pt );
1529
1530 if (remove && msg->message == WM_KEYDOWN)
1531 if (ImmProcessKey( msg->hwnd, NtUserGetKeyboardLayout(0), msg->wParam, msg->lParam, 0 ))
1532 msg->wParam = VK_PROCESSKEY;
1533
1534 return TRUE;
1535 }
1536
1537 /***********************************************************************
1538 * process_mouse_message
1539 *
1540 * returns TRUE if the contents of 'msg' should be passed to the application
1541 */
1542 static BOOL process_mouse_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1543 UINT first, UINT last, BOOL remove )
1544 {
1545 static MSG clk_msg;
1546
1547 POINT pt;
1548 UINT message;
1549 INT hittest;
1550 EVENTMSG event;
1551 GUITHREADINFO info;
1552 MOUSEHOOKSTRUCTEX hook;
1553 BOOL eat_msg;
1554 WPARAM wparam;
1555
1556 /* find the window to dispatch this mouse message to */
1557
1558 info.cbSize = sizeof(info);
1559 NtUserGetGUIThreadInfo( GetCurrentThreadId(), &info );
1560 if (info.hwndCapture)
1561 {
1562 hittest = HTCLIENT;
1563 msg->hwnd = info.hwndCapture;
1564 }
1565 else
1566 {
1567 HWND orig = msg->hwnd;
1568
1569 msg->hwnd = window_from_point( msg->hwnd, msg->pt, &hittest );
1570 if (!msg->hwnd) /* As a heuristic, try the next window if it's the owner of orig */
1571 {
1572 HWND next = get_window_relative( orig, GW_HWNDNEXT );
1573
1574 if (next && get_window_relative( orig, GW_OWNER ) == next &&
1575 is_current_thread_window( next ))
1576 msg->hwnd = window_from_point( next, msg->pt, &hittest );
1577 }
1578 }
1579
1580 if (!msg->hwnd || !is_current_thread_window( msg->hwnd ))
1581 {
1582 accept_hardware_message( hw_id );
1583 return FALSE;
1584 }
1585
1586 msg->pt = point_phys_to_win_dpi( msg->hwnd, msg->pt );
1587 SetThreadDpiAwarenessContext( get_window_dpi_awareness_context( msg->hwnd ));
1588
1589 /* FIXME: is this really the right place for this hook? */
1590 event.message = msg->message;
1591 event.time = msg->time;
1592 event.hwnd = msg->hwnd;
1593 event.paramL = msg->pt.x;
1594 event.paramH = msg->pt.y;
1595 call_hooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, sizeof(event) );
1596
1597 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1598
1599 pt = msg->pt;
1600 message = msg->message;
1601 wparam = msg->wParam;
1602 /* Note: windows has no concept of a non-client wheel message */
1603 if (message != WM_MOUSEWHEEL)
1604 {
1605 if (hittest != HTCLIENT)
1606 {
1607 message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
1608 wparam = hittest;
1609 }
1610 else
1611 {
1612 /* coordinates don't get translated while tracking a menu */
1613 /* FIXME: should differentiate popups and top-level menus */
1614 if (!(info.flags & GUI_INMENUMODE))
1615 screen_to_client( msg->hwnd, &pt );
1616 }
1617 }
1618 msg->lParam = MAKELONG( pt.x, pt.y );
1619
1620 /* translate double clicks */
1621
1622 if (msg->message == WM_LBUTTONDOWN ||
1623 msg->message == WM_RBUTTONDOWN ||
1624 msg->message == WM_MBUTTONDOWN ||
1625 msg->message == WM_XBUTTONDOWN)
1626 {
1627 BOOL update = remove;
1628
1629 /* translate double clicks -
1630 * note that ...MOUSEMOVEs can slip in between
1631 * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
1632
1633 if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) ||
1634 hittest != HTCLIENT ||
1635 (get_class_long( msg->hwnd, GCL_STYLE, FALSE ) & CS_DBLCLKS))
1636 {
1637 if ((msg->message == clk_msg.message) &&
1638 (msg->hwnd == clk_msg.hwnd) &&
1639 (msg->wParam == clk_msg.wParam) &&
1640 (msg->time - clk_msg.time < NtUserGetDoubleClickTime()) &&
1641 (abs(msg->pt.x - clk_msg.pt.x) < get_system_metrics( SM_CXDOUBLECLK ) / 2) &&
1642 (abs(msg->pt.y - clk_msg.pt.y) < get_system_metrics( SM_CYDOUBLECLK ) / 2))
1643 {
1644 message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
1645 if (update)
1646 {
1647 clk_msg.message = 0; /* clear the double click conditions */
1648 update = FALSE;
1649 }
1650 }
1651 }
1652 if (message < first || message > last) return FALSE;
1653 /* update static double click conditions */
1654 if (update) clk_msg = *msg;
1655 }
1656 else
1657 {
1658 if (message < first || message > last) return FALSE;
1659 }
1660 msg->wParam = wparam;
1661
1662 /* message is accepted now (but may still get dropped) */
1663
1664 hook.pt = msg->pt;
1665 hook.hwnd = msg->hwnd;
1666 hook.wHitTestCode = hittest;
1667 hook.dwExtraInfo = extra_info;
1668 hook.mouseData = msg->wParam;
1669 if (call_hooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE, message, (LPARAM)&hook, sizeof(hook) ))
1670 {
1671 hook.pt = msg->pt;
1672 hook.hwnd = msg->hwnd;
1673 hook.wHitTestCode = hittest;
1674 hook.dwExtraInfo = extra_info;
1675 hook.mouseData = msg->wParam;
1676 call_hooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, sizeof(hook) );
1677 accept_hardware_message( hw_id );
1678 return FALSE;
1679 }
1680
1681 if ((hittest == HTERROR) || (hittest == HTNOWHERE))
1682 {
1683 send_message( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
1684 accept_hardware_message( hw_id );
1685 return FALSE;
1686 }
1687
1688 if (remove) accept_hardware_message( hw_id );
1689
1690 if (!remove || info.hwndCapture)
1691 {
1692 msg->message = message;
1693 return TRUE;
1694 }
1695
1696 eat_msg = FALSE;
1697
1698 if (msg->message == WM_LBUTTONDOWN ||
1699 msg->message == WM_RBUTTONDOWN ||
1700 msg->message == WM_MBUTTONDOWN ||
1701 msg->message == WM_XBUTTONDOWN)
1702 {
1703 /* Send the WM_PARENTNOTIFY,
1704 * note that even for double/nonclient clicks
1705 * notification message is still WM_L/M/RBUTTONDOWN.
1706 */
1707 send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
1708
1709 /* Activate the window if needed */
1710
1711 if (msg->hwnd != info.hwndActive)
1712 {
1713 HWND hwndTop = NtUserGetAncestor( msg->hwnd, GA_ROOT );
1714
1715 if ((get_window_long( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD)
1716 {
1717 UINT ret = send_message( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
1718 MAKELONG( hittest, msg->message ) );
1719 switch(ret)
1720 {
1721 case MA_NOACTIVATEANDEAT:
1722 eat_msg = TRUE;
1723 /* fall through */
1724 case MA_NOACTIVATE:
1725 break;
1726 case MA_ACTIVATEANDEAT:
1727 eat_msg = TRUE;
1728 /* fall through */
1729 case MA_ACTIVATE:
1730 case 0:
1731 if (!set_foreground_window( hwndTop, TRUE )) eat_msg = TRUE;
1732 break;
1733 default:
1734 WARN( "unknown WM_MOUSEACTIVATE code %d\n", ret );
1735 break;
1736 }
1737 }
1738 }
1739 }
1740
1741 /* send the WM_SETCURSOR message */
1742
1743 /* Windows sends the normal mouse message as the message parameter
1744 in the WM_SETCURSOR message even if it's non-client mouse message */
1745 send_message( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
1746
1747 msg->message = message;
1748 return !eat_msg;
1749 }
1750
1751 /***********************************************************************
1752 * process_hardware_message
1753 *
1754 * Process a hardware message; return TRUE if message should be passed on to the app
1755 */
1756 static BOOL process_hardware_message( MSG *msg, UINT hw_id, const struct hardware_msg_data *msg_data,
1757 HWND hwnd_filter, UINT first, UINT last, BOOL remove )
1758 {
1759 struct ntuser_thread_info *thread_info = NtUserGetThreadInfo();
1760 DPI_AWARENESS_CONTEXT context;
1761 BOOL ret = FALSE;
1762
1763 thread_info->msg_source.deviceType = msg_data->source.device;
1764 thread_info->msg_source.originId = msg_data->source.origin;
1765
1766 /* hardware messages are always in physical coords */
1767 context = SetThreadDpiAwarenessContext( DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE );
1768
1769 if (msg->message == WM_INPUT || msg->message == WM_INPUT_DEVICE_CHANGE)
1770 ret = process_rawinput_message( msg, hw_id, msg_data );
1771 else if (is_keyboard_message( msg->message ))
1772 ret = process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
1773 else if (is_mouse_message( msg->message ))
1774 ret = process_mouse_message( msg, hw_id, msg_data->info, hwnd_filter, first, last, remove );
1775 else
1776 ERR( "unknown message type %x\n", msg->message );
1777 SetThreadDpiAwarenessContext( context );
1778 return ret;
1779 }
1780
1781 /***********************************************************************
1782 * peek_message
1783 *
1784 * Peek for a message matching the given parameters. Return 0 if none are
1785 * available; -1 on error.
1786 * All pending sent messages are processed before returning.
1787 */
1788 static int peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags, UINT changed_mask )
1789 {
1790 LRESULT result;
1791 struct user_thread_info *thread_info = get_user_thread_info();
1792 INPUT_MESSAGE_SOURCE prev_source = thread_info->client_info.msg_source;
1793 struct received_message_info info;
1794 unsigned int hw_id = 0; /* id of previous hardware message */
1795 void *buffer;
1796 size_t buffer_size = 1024;
1797
1798 if (!(buffer = malloc( buffer_size ))) return -1;
1799
1800 if (!first && !last) last = ~0;
1801 if (hwnd == HWND_BROADCAST) hwnd = HWND_TOPMOST;
1802
1803 for (;;)
1804 {
1805 NTSTATUS res;
1806 size_t size = 0;
1807 const message_data_t *msg_data = buffer;
1808 BOOL needs_unpack = FALSE;
1809
1810 thread_info->client_info.msg_source = prev_source;
1811
1812 SERVER_START_REQ( get_message )
1813 {
1814 req->flags = flags;
1815 req->get_win = wine_server_user_handle( hwnd );
1816 req->get_first = first;
1817 req->get_last = last;
1818 req->hw_id = hw_id;
1819 req->wake_mask = changed_mask & (QS_SENDMESSAGE | QS_SMRESULT);
1820 req->changed_mask = changed_mask;
1821 wine_server_set_reply( req, buffer, buffer_size );
1822 if (!(res = wine_server_call( req )))
1823 {
1824 size = wine_server_reply_size( reply );
1825 info.type = reply->type;
1826 info.msg.hwnd = wine_server_ptr_handle( reply->win );
1827 info.msg.message = reply->msg;
1828 info.msg.wParam = reply->wparam;
1829 info.msg.lParam = reply->lparam;
1830 info.msg.time = reply->time;
1831 info.msg.pt.x = reply->x;
1832 info.msg.pt.y = reply->y;
1833 hw_id = 0;
1834 thread_info->active_hooks = reply->active_hooks;
1835 }
1836 else buffer_size = reply->total;
1837 }
1838 SERVER_END_REQ;
1839
1840 if (res)
1841 {
1842 free( buffer );
1843 if (res == STATUS_PENDING)
1844 {
1845 thread_info->wake_mask = changed_mask & (QS_SENDMESSAGE | QS_SMRESULT);
1846 thread_info->changed_mask = changed_mask;
1847 return 0;
1848 }
1849 if (res != STATUS_BUFFER_OVERFLOW)
1850 {
1851 RtlSetLastWin32Error( RtlNtStatusToDosError(res) );
1852 return -1;
1853 }
1854 if (!(buffer = malloc( buffer_size ))) return -1;
1855 continue;
1856 }
1857
1858 TRACE( "got type %d msg %x (%s) hwnd %p wp %lx lp %lx\n",
1859 info.type, info.msg.message,
1860 (info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : debugstr_msg_name(info.msg.message, info.msg.hwnd),
1861 info.msg.hwnd, (long)info.msg.wParam, info.msg.lParam );
1862
1863 switch(info.type)
1864 {
1865 case MSG_ASCII:
1866 case MSG_UNICODE:
1867 info.flags = ISMEX_SEND;
1868 break;
1869 case MSG_NOTIFY:
1870 info.flags = ISMEX_NOTIFY;
1871 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
1872 &info.msg.lParam, &buffer, size ))
1873 continue;
1874 needs_unpack = TRUE;
1875 break;
1876 case MSG_CALLBACK:
1877 info.flags = ISMEX_CALLBACK;
1878 break;
1879 case MSG_CALLBACK_RESULT:
1880 if (size >= sizeof(msg_data->callback))
1881 call_sendmsg_callback( wine_server_get_ptr(msg_data->callback.callback),
1882 info.msg.hwnd, info.msg.message,
1883 msg_data->callback.data, msg_data->callback.result );
1884 continue;
1885 case MSG_WINEVENT:
1886 if (size >= sizeof(msg_data->winevent))
1887 {
1888 struct win_event_hook_params params;
1889 void *ret_ptr;
1890 ULONG ret_len;
1891
1892 params.proc = wine_server_get_ptr( msg_data->winevent.hook_proc );
1893 size -= sizeof(msg_data->winevent);
1894 if (size)
1895 {
1896 size = min( size, sizeof(params.module) - sizeof(WCHAR) );
1897 memcpy( params.module, &msg_data->winevent + 1, size );
1898 }
1899 params.module[size / sizeof(WCHAR)] = 0;
1900 size = FIELD_OFFSET( struct win_event_hook_params, module[size / sizeof(WCHAR) + 1] );
1901
1902 params.handle = wine_server_ptr_handle( msg_data->winevent.hook );
1903 params.event = info.msg.message;
1904 params.hwnd = info.msg.hwnd;
1905 params.object_id = info.msg.wParam;
1906 params.child_id = info.msg.lParam;
1907 params.tid = msg_data->winevent.tid;
1908 params.time = info.msg.time;
1909
1910 KeUserModeCallback( NtUserCallWinEventHook, &params, size, &ret_ptr, &ret_len );
1911 }
1912 continue;
1913 case MSG_HOOK_LL:
1914 info.flags = ISMEX_SEND;
1915 result = 0;
1916 if (info.msg.message == WH_KEYBOARD_LL && size >= sizeof(msg_data->hardware))
1917 {
1918 KBDLLHOOKSTRUCT hook;
1919
1920 hook.vkCode = LOWORD( info.msg.lParam );
1921 hook.scanCode = HIWORD( info.msg.lParam );
1922 hook.flags = msg_data->hardware.flags;
1923 hook.time = info.msg.time;
1924 hook.dwExtraInfo = msg_data->hardware.info;
1925 TRACE( "calling keyboard LL hook vk %x scan %x flags %x time %u info %lx\n",
1926 (int)hook.vkCode, (int)hook.scanCode, (int)hook.flags,
1927 (int)hook.time, (long)hook.dwExtraInfo );
1928 result = call_hooks( WH_KEYBOARD_LL, HC_ACTION, info.msg.wParam,
1929 (LPARAM)&hook, sizeof(hook) );
1930 }
1931 else if (info.msg.message == WH_MOUSE_LL && size >= sizeof(msg_data->hardware))
1932 {
1933 MSLLHOOKSTRUCT hook;
1934
1935 hook.pt = info.msg.pt;
1936 hook.mouseData = info.msg.lParam;
1937 hook.flags = msg_data->hardware.flags;
1938 hook.time = info.msg.time;
1939 hook.dwExtraInfo = msg_data->hardware.info;
1940 TRACE( "calling mouse LL hook pos %d,%d data %x flags %x time %u info %lx\n",
1941 (int)hook.pt.x, (int)hook.pt.y, (int)hook.mouseData, (int)hook.flags,
1942 (int)hook.time, (long)hook.dwExtraInfo );
1943 result = call_hooks( WH_MOUSE_LL, HC_ACTION, info.msg.wParam,
1944 (LPARAM)&hook, sizeof(hook) );
1945 }
1946 reply_message( &info, result, &info.msg );
1947 continue;
1948 case MSG_OTHER_PROCESS:
1949 info.flags = ISMEX_SEND;
1950 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
1951 &info.msg.lParam, &buffer, size ))
1952 {
1953 /* ignore it */
1954 reply_message( &info, 0, &info.msg );
1955 continue;
1956 }
1957 needs_unpack = TRUE;
1958 break;
1959 case MSG_HARDWARE:
1960 if (size >= sizeof(msg_data->hardware))
1961 {
1962 hw_id = msg_data->hardware.hw_id;
1963 if (!process_hardware_message( &info.msg, hw_id, &msg_data->hardware,
1964 hwnd, first, last, flags & PM_REMOVE ))
1965 {
1966 TRACE("dropping msg %x\n", info.msg.message );
1967 continue; /* ignore it */
1968 }
1969 *msg = info.msg;
1970 thread_info->client_info.message_pos = MAKELONG( info.msg.pt.x, info.msg.pt.y );
1971 thread_info->client_info.message_time = info.msg.time;
1972 thread_info->client_info.message_extra = msg_data->hardware.info;
1973 free( buffer );
1974 call_hooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, sizeof(*msg) );
1975 return 1;
1976 }
1977 continue;
1978 case MSG_POSTED:
1979 if (info.msg.message & 0x80000000) /* internal message */
1980 {
1981 if (flags & PM_REMOVE)
1982 {
1983 handle_internal_message( info.msg.hwnd, info.msg.message,
1984 info.msg.wParam, info.msg.lParam );
1985 /* if this is a nested call return right away */
1986 if (first == info.msg.message && last == info.msg.message)
1987 {
1988 free( buffer );
1989 return 0;
1990 }
1991 }
1992 else
1993 peek_message( msg, info.msg.hwnd, info.msg.message,
1994 info.msg.message, flags | PM_REMOVE, changed_mask );
1995 continue;
1996 }
1997 if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
1998 {
1999 struct unpack_dde_message_result result;
2000 struct unpack_dde_message_params *params;
2001 void *ret_ptr;
2002 ULONG len;
2003 BOOL ret;
2004
2005 len = FIELD_OFFSET( struct unpack_dde_message_params, data[size] );
2006 if (!(params = malloc( len )))
2007 continue;
2008 params->result = &result;
2009 params->hwnd = info.msg.hwnd;
2010 params->message = info.msg.message;
2011 params->wparam = info.msg.wParam;
2012 params->lparam = info.msg.lParam;
2013 if (size) memcpy( params->data, buffer, size );
2014 ret = KeUserModeCallback( NtUserUnpackDDEMessage, params, len, &ret_ptr, &len );
2015 if (len == sizeof(result)) result = *(struct unpack_dde_message_result *)ret_ptr;
2016 free( params );
2017 if (!ret) continue; /* ignore it */
2018 info.msg.wParam = result.wparam;
2019 info.msg.lParam = result.lparam;
2020 }
2021 *msg = info.msg;
2022 msg->pt = point_phys_to_win_dpi( info.msg.hwnd, info.msg.pt );
2023 thread_info->client_info.message_pos = MAKELONG( msg->pt.x, msg->pt.y );
2024 thread_info->client_info.message_time = info.msg.time;
2025 thread_info->client_info.message_extra = 0;
2026 thread_info->client_info.msg_source = msg_source_unavailable;
2027 free( buffer );
2028 call_hooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, sizeof(*msg) );
2029 return 1;
2030 }
2031
2032 /* if we get here, we have a sent message; call the window procedure */
2033 info.prev = thread_info->receive_info;
2034 thread_info->receive_info = &info;
2035 thread_info->client_info.msg_source = msg_source_unavailable;
2036 thread_info->client_info.receive_flags = info.flags;
2037 result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
2038 info.msg.lParam, (info.type != MSG_ASCII), FALSE,
2039 WMCHAR_MAP_RECVMESSAGE, needs_unpack, buffer, size );
2040 if (thread_info->receive_info == &info)
2041 reply_winproc_result( result, info.msg.hwnd, info.msg.message,
2042 info.msg.wParam, info.msg.lParam );
2043
2044 /* if some PM_QS* flags were specified, only handle sent messages from now on */
2045 if (HIWORD(flags) && !changed_mask) flags = PM_QS_SENDMESSAGE | LOWORD(flags);
2046 }
2047 }
2048
2049 /***********************************************************************
2050 * process_sent_messages
2051 *
2052 * Process all pending sent messages.
2053 */
2054 static void process_sent_messages(void)
2055 {
2056 MSG msg;
2057 peek_message( &msg, 0, 0, 0, PM_REMOVE | PM_QS_SENDMESSAGE, 0 );
2058 }
2059
2060 /***********************************************************************
2061 * get_server_queue_handle
2062 *
2063 * Get a handle to the server message queue for the current thread.
2064 */
2065 static HANDLE get_server_queue_handle(void)
2066 {
2067 struct user_thread_info *thread_info = get_user_thread_info();
2068 HANDLE ret;
2069
2070 if (!(ret = thread_info->server_queue))
2071 {
2072 SERVER_START_REQ( get_msg_queue )
2073 {
2074 wine_server_call( req );
2075 ret = wine_server_ptr_handle( reply->handle );
2076 }
2077 SERVER_END_REQ;
2078 thread_info->server_queue = ret;
2079 if (!ret) ERR( "Cannot get server thread queue\n" );
2080 }
2081 return ret;
2082 }
2083
2084 /* check for driver events if we detect that the app is not properly consuming messages */
2085 static inline void check_for_driver_events( UINT msg )
2086 {
2087 if (get_user_thread_info()->message_count > 200)
2088 {
2089 flush_window_surfaces( FALSE );
2090 user_driver->pProcessEvents( QS_ALLINPUT );
2091 }
2092 else if (msg == WM_TIMER || msg == WM_SYSTIMER)
2093 {
2094 /* driver events should have priority over timers, so make sure we'll check for them soon */
2095 get_user_thread_info()->message_count += 100;
2096 }
2097 else get_user_thread_info()->message_count++;
2098 }
2099
2100 /* helper for kernel32->ntdll timeout format conversion */
2101 static inline LARGE_INTEGER *get_nt_timeout( LARGE_INTEGER *time, DWORD timeout )
2102 {
2103 if (timeout == INFINITE) return NULL;
2104 time->QuadPart = (ULONGLONG)timeout * -10000;
2105 return time;
2106 }
2107
2108 /* wait for message or signaled handle */
2109 static DWORD wait_message( DWORD count, const HANDLE *handles, DWORD timeout, DWORD mask, DWORD flags )
2110 {
2111 LARGE_INTEGER time;
2112 DWORD ret, lock;
2113 void *ret_ptr;
2114 ULONG ret_len;
2115
2116 if (enable_thunk_lock)
2117 lock = KeUserModeCallback( NtUserThunkLock, NULL, 0, &ret_ptr, &ret_len );
2118
2119 if (user_driver->pProcessEvents( mask )) ret = count ? count - 1 : 0;
2120 else if (count)
2121 {
2122 ret = NtWaitForMultipleObjects( count, handles, !(flags & MWMO_WAITALL),
2123 !!(flags & MWMO_ALERTABLE), get_nt_timeout( &time, timeout ));
2124 if (ret == count - 1) user_driver->pProcessEvents( mask );
2125 else if (HIWORD(ret)) /* is it an error code? */
2126 {
2127 RtlSetLastWin32Error( RtlNtStatusToDosError(ret) );
2128 ret = WAIT_FAILED;
2129 }
2130 }
2131 else ret = WAIT_TIMEOUT;
2132
2133 if (ret == WAIT_TIMEOUT && !count && !timeout) NtYieldExecution();
2134 if ((mask & QS_INPUT) == QS_INPUT) get_user_thread_info()->message_count = 0;
2135
2136 if (enable_thunk_lock)
2137 KeUserModeCallback( NtUserThunkLock, &lock, sizeof(lock), &ret_ptr, &ret_len );
2138
2139 return ret;
2140 }
2141
2142 /***********************************************************************
2143 * wait_objects
2144 *
2145 * Wait for multiple objects including the server queue, with specific queue masks.
2146 */
2147 static DWORD wait_objects( DWORD count, const HANDLE *handles, DWORD timeout,
2148 DWORD wake_mask, DWORD changed_mask, DWORD flags )
2149 {
2150 struct user_thread_info *thread_info = get_user_thread_info();
2151 DWORD ret;
2152
2153 assert( count ); /* we must have at least the server queue */
2154
2155 flush_window_surfaces( TRUE );
2156
2157 if (thread_info->wake_mask != wake_mask || thread_info->changed_mask != changed_mask)
2158 {
2159 SERVER_START_REQ( set_queue_mask )
2160 {
2161 req->wake_mask = wake_mask;
2162 req->changed_mask = changed_mask;
2163 req->skip_wait = 0;
2164 wine_server_call( req );
2165 }
2166 SERVER_END_REQ;
2167 thread_info->wake_mask = wake_mask;
2168 thread_info->changed_mask = changed_mask;
2169 }
2170
2171 ret = wait_message( count, handles, timeout, changed_mask, flags );
2172
2173 if (ret != WAIT_TIMEOUT) thread_info->wake_mask = thread_info->changed_mask = 0;
2174 return ret;
2175 }
2176
2177 static HANDLE normalize_std_handle( HANDLE handle )
2178 {
2179 if (handle == (HANDLE)STD_INPUT_HANDLE)
2180 return NtCurrentTeb()->Peb->ProcessParameters->hStdInput;
2181 if (handle == (HANDLE)STD_OUTPUT_HANDLE)
2182 return NtCurrentTeb()->Peb->ProcessParameters->hStdOutput;
2183 if (handle == (HANDLE)STD_ERROR_HANDLE)
2184 return NtCurrentTeb()->Peb->ProcessParameters->hStdError;
2185
2186 return handle;
2187 }
2188
2189 /***********************************************************************
2190 * NtUserMsgWaitForMultipleObjectsEx (win32u.@)
2191 */
2192 DWORD WINAPI NtUserMsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
2193 DWORD timeout, DWORD mask, DWORD flags )
2194 {
2195 HANDLE wait_handles[MAXIMUM_WAIT_OBJECTS];
2196 DWORD i;
2197
2198 if (count > MAXIMUM_WAIT_OBJECTS-1)
2199 {
2200 RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
2201 return WAIT_FAILED;
2202 }
2203
2204 /* add the queue to the handle list */
2205 for (i = 0; i < count; i++) wait_handles[i] = normalize_std_handle( handles[i] );
2206 wait_handles[count] = get_server_queue_handle();
2207
2208 return wait_objects( count+1, wait_handles, timeout,
2209 (flags & MWMO_INPUTAVAILABLE) ? mask : 0, mask, flags );
2210 }
2211
2212 /***********************************************************************
2213 * NtUserWaitForInputIdle (win32u.@)
2214 */
2215 DWORD WINAPI NtUserWaitForInputIdle( HANDLE process, DWORD timeout, BOOL wow )
2216 {
2217 DWORD start_time, elapsed, ret;
2218 HANDLE handles[2];
2219
2220 handles[0] = process;
2221 SERVER_START_REQ( get_process_idle_event )
2222 {
2223 req->handle = wine_server_obj_handle( process );
2224 wine_server_call_err( req );
2225 handles[1] = wine_server_ptr_handle( reply->event );
2226 }
2227 SERVER_END_REQ;
2228 if (!handles[1]) return WAIT_FAILED; /* no event to wait on */
2229
2230 start_time = NtGetTickCount();
2231 elapsed = 0;
2232
2233 TRACE("waiting for %p\n", handles[1] );
2234
2235 for (;;)
2236 {
2237 ret = NtUserMsgWaitForMultipleObjectsEx( 2, handles, timeout - elapsed, QS_SENDMESSAGE, 0 );
2238 switch (ret)
2239 {
2240 case WAIT_OBJECT_0:
2241 return 0;
2242 case WAIT_OBJECT_0+2:
2243 process_sent_messages();
2244 break;
2245 case WAIT_TIMEOUT:
2246 case WAIT_FAILED:
2247 TRACE("timeout or error\n");
2248 return ret;
2249 default:
2250 TRACE("finished\n");
2251 return 0;
2252 }
2253 if (timeout != INFINITE)
2254 {
2255 elapsed = NtGetTickCount() - start_time;
2256 if (elapsed > timeout)
2257 break;
2258 }
2259 }
2260
2261 return WAIT_TIMEOUT;
2262 }
2263
2264 /***********************************************************************
2265 * NtUserWaitMessage (win32u.@)
2266 */
2267 BOOL WINAPI NtUserWaitMessage(void)
2268 {
2269 return NtUserMsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED;
2270 }
2271
2272 /***********************************************************************
2273 * NtUserPeekMessage (win32u.@)
2274 */
2275 BOOL WINAPI NtUserPeekMessage( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
2276 {
2277 MSG msg;
2278 int ret;
2279
2280 user_check_not_lock();
2281 check_for_driver_events( 0 );
2282
2283 ret = peek_message( &msg, hwnd, first, last, flags, 0 );
2284 if (ret < 0) return FALSE;
2285
2286 if (!ret)
2287 {
2288 flush_window_surfaces( TRUE );
2289 ret = wait_message( 0, NULL, 0, QS_ALLINPUT, 0 );
2290 /* if we received driver events, check again for a pending message */
2291 if (ret == WAIT_TIMEOUT || peek_message( &msg, hwnd, first, last, flags, 0 ) <= 0) return FALSE;
2292 }
2293
2294 check_for_driver_events( msg.message );
2295
2296 /* copy back our internal safe copy of message data to msg_out.
2297 * msg_out is a variable from the *program*, so it can't be used
2298 * internally as it can get "corrupted" by our use of SendMessage()
2299 * (back to the program) inside the message handling itself. */
2300 if (!msg_out)
2301 {
2302 RtlSetLastWin32Error( ERROR_NOACCESS );
2303 return FALSE;
2304 }
2305 *msg_out = msg;
2306 return TRUE;
2307 }
2308
2309 /***********************************************************************
2310 * NtUserGetMessage (win32u.@)
2311 */
2312 BOOL WINAPI NtUserGetMessage( MSG *msg, HWND hwnd, UINT first, UINT last )
2313 {
2314 HANDLE server_queue = get_server_queue_handle();
2315 unsigned int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
2316 int ret;
2317
2318 user_check_not_lock();
2319 check_for_driver_events( 0 );
2320
2321 if (first || last)
2322 {
2323 if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
2324 if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
2325 ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
2326 if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
2327 if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
2328 if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
2329 }
2330 else mask = QS_ALLINPUT;
2331
2332 while (!(ret = peek_message( msg, hwnd, first, last, PM_REMOVE | (mask << 16), mask )))
2333 {
2334 wait_objects( 1, &server_queue, INFINITE, mask & (QS_SENDMESSAGE | QS_SMRESULT), mask, 0 );
2335 }
2336 if (ret < 0) return -1;
2337
2338 check_for_driver_events( msg->message );
2339
2340 return msg->message != WM_QUIT;
2341 }
2342
2343 /***********************************************************************
2344 * put_message_in_queue
2345 *
2346 * Put a sent message into the destination queue.
2347 * For inter-process message, reply_size is set to expected size of reply data.
2348 */
2349 static BOOL put_message_in_queue( const struct send_message_info *info, size_t *reply_size )
2350 {
2351 struct packed_message data;
2352 message_data_t msg_data;
2353 unsigned int res;
2354 int i;
2355 timeout_t timeout = TIMEOUT_INFINITE;
2356
2357 /* Check for INFINITE timeout for compatibility with Win9x,
2358 * although Windows >= NT does not do so
2359 */
2360 if (info->type != MSG_NOTIFY &&
2361 info->type != MSG_CALLBACK &&
2362 info->type != MSG_POSTED &&
2363 info->timeout &&
2364 info->timeout != INFINITE)
2365 {
2366 /* timeout is signed despite the prototype */
2367 timeout = (timeout_t)max( 0, (int)info->timeout ) * -10000;
2368 }
2369
2370 memset( &data, 0, sizeof(data) );
2371 if (info->type == MSG_OTHER_PROCESS || info->type == MSG_NOTIFY)
2372 {
2373 *reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
2374 if (data.count == -1)
2375 {
2376 WARN( "cannot pack message %x\n", info->msg );
2377 return FALSE;
2378 }
2379 }
2380 else if (info->type == MSG_CALLBACK)
2381 {
2382 msg_data.callback.callback = wine_server_client_ptr( info->callback );
2383 msg_data.callback.data = info->data;
2384 msg_data.callback.result = 0;
2385 data.data[0] = &msg_data;
2386 data.size[0] = sizeof(msg_data.callback);
2387 data.count = 1;
2388 }
2389 else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
2390 {
2391 struct post_dde_message_params params;
2392 void *ret_ptr;
2393 ULONG ret_len;
2394
2395 params.hwnd = info->hwnd;
2396 params.msg = info->msg;
2397 params.wparam = info->wparam;
2398 params.lparam = info->lparam;
2399 params.dest_tid = info->dest_tid;
2400 params.type = info->type;
2401 return KeUserModeCallback( NtUserPostDDEMessage, &params, sizeof(params), &ret_ptr, &ret_len );
2402 }
2403
2404 SERVER_START_REQ( send_message )
2405 {
2406 req->id = info->dest_tid;
2407 req->type = info->type;
2408 req->flags = 0;
2409 req->win = wine_server_user_handle( info->hwnd );
2410 req->msg = info->msg;
2411 req->wparam = info->wparam;
2412 req->lparam = info->lparam;
2413 req->timeout = timeout;
2414
2415 if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
2416 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
2417 if ((res = wine_server_call( req )))
2418 {
2419 if (res == STATUS_INVALID_PARAMETER)
2420 /* FIXME: find a STATUS_ value for this one */
2421 RtlSetLastWin32Error( ERROR_INVALID_THREAD_ID );
2422 else
2423 RtlSetLastWin32Error( RtlNtStatusToDosError(res) );
2424 }
2425 }
2426 SERVER_END_REQ;
2427 return !res;
2428 }
2429
2430 /***********************************************************************
2431 * wait_message_reply
2432 *
2433 * Wait until a sent message gets replied to.
2434 */
2435 static void wait_message_reply( UINT flags )
2436 {
2437 struct user_thread_info *thread_info = get_user_thread_info();
2438 HANDLE server_queue = get_server_queue_handle();
2439 unsigned int wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
2440
2441 for (;;)
2442 {
2443 unsigned int wake_bits = 0;
2444
2445 SERVER_START_REQ( set_queue_mask )
2446 {
2447 req->wake_mask = wake_mask;
2448 req->changed_mask = wake_mask;
2449 req->skip_wait = 1;
2450 if (!wine_server_call( req )) wake_bits = reply->wake_bits & wake_mask;
2451 }
2452 SERVER_END_REQ;
2453
2454 thread_info->wake_mask = thread_info->changed_mask = 0;
2455
2456 if (wake_bits & QS_SMRESULT) return; /* got a result */
2457 if (wake_bits & QS_SENDMESSAGE)
2458 {
2459 /* Process the sent message immediately */
2460 process_sent_messages();
2461 continue;
2462 }
2463
2464 wait_message( 1, &server_queue, INFINITE, wake_mask, 0 );
2465 }
2466 }
2467
2468 /***********************************************************************
2469 * retrieve_reply
2470 *
2471 * Retrieve a message reply from the server.
2472 */
2473 static LRESULT retrieve_reply( const struct send_message_info *info,
2474 size_t reply_size, LRESULT *result )
2475 {
2476 unsigned int status;
2477 void *reply_data = NULL;
2478
2479 if (reply_size)
2480 {
2481 if (!(reply_data = malloc( reply_size )))
2482 {
2483 WARN( "no memory for reply, will be truncated\n" );
2484 reply_size = 0;
2485 }
2486 }
2487 SERVER_START_REQ( get_message_reply )
2488 {
2489 req->cancel = 1;
2490 if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
2491 if (!(status = wine_server_call( req ))) *result = reply->result;
2492 reply_size = wine_server_reply_size( reply );
2493 }
2494 SERVER_END_REQ;
2495 if (!status && reply_size)
2496 unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
2497
2498 free( reply_data );
2499
2500 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx got reply %lx (err=%d)\n",
2501 info->hwnd, info->msg, debugstr_msg_name(info->msg, info->hwnd), (long)info->wparam,
2502 info->lparam, *result, status );
2503
2504 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
2505 if (status) RtlSetLastWin32Error( RtlNtStatusToDosError(status) );
2506 return !status;
2507 }
2508
2509 /***********************************************************************
2510 * send_inter_thread_message
2511 */
2512 static LRESULT send_inter_thread_message( const struct send_message_info *info, LRESULT *res_ptr )
2513 {
2514 size_t reply_size = 0;
2515
2516 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
2517 info->hwnd, info->msg, debugstr_msg_name(info->msg, info->hwnd),
2518 (long)info->wparam, info->lparam );
2519
2520 user_check_not_lock();
2521
2522 if (!put_message_in_queue( info, &reply_size )) return 0;
2523
2524 /* there's no reply to wait for on notify/callback messages */
2525 if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
2526
2527 wait_message_reply( info->flags );
2528 return retrieve_reply( info, reply_size, res_ptr );
2529 }
2530
2531 static LRESULT send_inter_thread_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
2532 LRESULT *result, void *arg )
2533 {
2534 struct send_message_info *info = arg;
2535 info->hwnd = hwnd;
2536 info->msg = msg;
2537 info->wparam = wp;
2538 info->lparam = lp;
2539 return send_inter_thread_message( info, result );
2540 }
2541
2542 /***********************************************************************
2543 * send_internal_message_timeout
2544 *
2545 * Same as SendMessageTimeoutW but sends the message to a specific thread
2546 * without requiring a window handle. Only works for internal Wine messages.
2547 */
2548 LRESULT send_internal_message_timeout( DWORD dest_pid, DWORD dest_tid,
2549 UINT msg, WPARAM wparam, LPARAM lparam,
2550 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2551 {
2552 LRESULT ret, result = 0;
2553
2554 assert( msg & 0x80000000 ); /* must be an internal Wine message */
2555
2556 if (is_exiting_thread( dest_tid )) return 0;
2557
2558 if (dest_tid == GetCurrentThreadId())
2559 {
2560 result = handle_internal_message( 0, msg, wparam, lparam );
2561 ret = 1;
2562 }
2563 else
2564 {
2565 struct send_message_info info;
2566
2567 info.type = dest_pid == GetCurrentProcessId() ? MSG_UNICODE : MSG_OTHER_PROCESS;
2568 info.dest_tid = dest_tid;
2569 info.hwnd = 0;
2570 info.msg = msg;
2571 info.wparam = wparam;
2572 info.lparam = lparam;
2573 info.flags = flags;
2574 info.timeout = timeout;
2575 info.params = NULL;
2576
2577 ret = send_inter_thread_message( &info, &result );
2578 }
2579 if (ret && res_ptr) *res_ptr = result;
2580 return ret;
2581 }
2582
2583 /***********************************************************************
2584 * send_hardware_message
2585 */
2586 NTSTATUS send_hardware_message( HWND hwnd, const INPUT *input, const RAWINPUT *rawinput, UINT flags )
2587 {
2588 struct send_message_info info;
2589 int prev_x, prev_y, new_x, new_y;
2590 USAGE hid_usage_page, hid_usage;
2591 NTSTATUS ret;
2592 BOOL wait, affects_key_state = FALSE;
2593
2594 info.type = MSG_HARDWARE;
2595 info.dest_tid = 0;
2596 info.hwnd = hwnd;
2597 info.flags = 0;
2598 info.timeout = 0;
2599 info.params = NULL;
2600
2601 if (input->type == INPUT_HARDWARE && rawinput->header.dwType == RIM_TYPEHID)
2602 {
2603 if (input->hi.uMsg == WM_INPUT_DEVICE_CHANGE)
2604 {
2605 hid_usage_page = ((USAGE *)rawinput->data.hid.bRawData)[0];
2606 hid_usage = ((USAGE *)rawinput->data.hid.bRawData)[1];
2607 }
2608 if (input->hi.uMsg == WM_INPUT &&
2609 !rawinput_device_get_usages( rawinput->header.hDevice, &hid_usage_page, &hid_usage ))
2610 {
2611 WARN( "unable to get HID usages for device %p\n", rawinput->header.hDevice );
2612 return STATUS_INVALID_HANDLE;
2613 }
2614 }
2615
2616 SERVER_START_REQ( send_hardware_message )
2617 {
2618 req->win = wine_server_user_handle( hwnd );
2619 req->flags = flags;
2620 req->input.type = input->type;
2621 switch (input->type)
2622 {
2623 case INPUT_MOUSE:
2624 req->input.mouse.x = input->mi.dx;
2625 req->input.mouse.y = input->mi.dy;
2626 req->input.mouse.data = input->mi.mouseData;
2627 req->input.mouse.flags = input->mi.dwFlags;
2628 req->input.mouse.time = input->mi.time;
2629 req->input.mouse.info = input->mi.dwExtraInfo;
2630 affects_key_state = !!(input->mi.dwFlags & (MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP |
2631 MOUSEEVENTF_RIGHTDOWN | MOUSEEVENTF_RIGHTUP |
2632 MOUSEEVENTF_MIDDLEDOWN | MOUSEEVENTF_MIDDLEUP |
2633 MOUSEEVENTF_XDOWN | MOUSEEVENTF_XUP));
2634 break;
2635 case INPUT_KEYBOARD:
2636 req->input.kbd.vkey = input->ki.wVk;
2637 req->input.kbd.scan = input->ki.wScan;
2638 req->input.kbd.flags = input->ki.dwFlags;
2639 req->input.kbd.time = input->ki.time;
2640 req->input.kbd.info = input->ki.dwExtraInfo;
2641 affects_key_state = TRUE;
2642 break;
2643 case INPUT_HARDWARE:
2644 req->input.hw.msg = input->hi.uMsg;
2645 req->input.hw.lparam = MAKELONG( input->hi.wParamL, input->hi.wParamH );
2646 switch (input->hi.uMsg)
2647 {
2648 case WM_INPUT:
2649 case WM_INPUT_DEVICE_CHANGE:
2650 req->input.hw.rawinput.type = rawinput->header.dwType;
2651 switch (rawinput->header.dwType)
2652 {
2653 case RIM_TYPEHID:
2654 req->input.hw.rawinput.hid.device = HandleToUlong( rawinput->header.hDevice );
2655 req->input.hw.rawinput.hid.param = rawinput->header.wParam;
2656 req->input.hw.rawinput.hid.usage_page = hid_usage_page;
2657 req->input.hw.rawinput.hid.usage = hid_usage;
2658 req->input.hw.rawinput.hid.count = rawinput->data.hid.dwCount;
2659 req->input.hw.rawinput.hid.length = rawinput->data.hid.dwSizeHid;
2660 wine_server_add_data( req, rawinput->data.hid.bRawData,
2661 rawinput->data.hid.dwCount * rawinput->data.hid.dwSizeHid );
2662 break;
2663 default:
2664 assert( 0 );
2665 break;
2666 }
2667 }
2668 break;
2669 }
2670 ret = wine_server_call( req );
2671 wait = reply->wait;
2672 prev_x = reply->prev_x;
2673 prev_y = reply->prev_y;
2674 new_x = reply->new_x;
2675 new_y = reply->new_y;
2676 }
2677 SERVER_END_REQ;
2678
2679 if (!ret)
2680 {
2681 if (affects_key_state)
2682 InterlockedIncrement( &global_key_state_counter ); /* force refreshing the key state cache */
2683 if ((flags & SEND_HWMSG_INJECTED) && (prev_x != new_x || prev_y != new_y))
2684 user_driver->pSetCursorPos( new_x, new_y );
2685 }
2686
2687 if (wait)
2688 {
2689 LRESULT ignored;
2690 wait_message_reply( 0 );
2691 retrieve_reply( &info, 0, &ignored );
2692 }
2693 return ret;
2694 }
2695
2696 /**********************************************************************
2697 * NtUserDispatchMessage (win32u.@)
2698 */
2699 LRESULT WINAPI NtUserDispatchMessage( const MSG *msg )
2700 {
2701 struct win_proc_params params;
2702 LRESULT retval = 0;
2703
2704 /* Process timer messages */
2705 if (msg->lParam && msg->message == WM_TIMER)
2706 {
2707 params.func = (WNDPROC)msg->lParam;
2708 params.result = &retval; /* FIXME */
2709 if (!init_win_proc_params( &params, msg->hwnd, msg->message,
2710 msg->wParam, NtGetTickCount(), FALSE ))
2711 return 0;
2712 dispatch_win_proc_params( &params, sizeof(params) );
2713 return retval;
2714 }
2715 if (msg->message == WM_SYSTIMER)
2716 {
2717 switch (msg->wParam)
2718 {
2719 case SYSTEM_TIMER_CARET:
2720 toggle_caret( msg->hwnd );
2721 return 0;
2722
2723 case SYSTEM_TIMER_TRACK_MOUSE:
2724 update_mouse_tracking_info( msg->hwnd );
2725 return 0;
2726 }
2727 }
2728
2729 if (!msg->hwnd) return 0;
2730
2731 spy_enter_message( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message, msg->wParam, msg->lParam );
2732
2733 if (init_window_call_params( &params, msg->hwnd, msg->message, msg->wParam, msg->lParam,
2734 &retval, FALSE, WMCHAR_MAP_DISPATCHMESSAGE ))
2735 dispatch_win_proc_params( &params, sizeof(params) );
2736 else if (!is_window( msg->hwnd )) RtlSetLastWin32Error( ERROR_INVALID_WINDOW_HANDLE );
2737 else RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
2738
2739 spy_exit_message( SPY_RESULT_OK, msg->hwnd, msg->message, retval, msg->wParam, msg->lParam );
2740
2741 if (msg->message == WM_PAINT)
2742 {
2743 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
2744 HRGN hrgn = NtGdiCreateRectRgn( 0, 0, 0, 0 );
2745 NtUserGetUpdateRgn( msg->hwnd, hrgn, TRUE );
2746 NtGdiDeleteObjectApp( hrgn );
2747 }
2748 return retval;
2749 }
2750
2751 static BOOL is_message_broadcastable( UINT msg )
2752 {
2753 return msg < WM_USER || msg >= 0xc000;
2754 }
2755
2756 /***********************************************************************
2757 * broadcast_message
2758 */
2759 static BOOL broadcast_message( struct send_message_info *info, DWORD_PTR *res_ptr )
2760 {
2761 HWND *list;
2762
2763 if (is_message_broadcastable( info->msg ) &&
2764 (list = list_window_children( 0, get_desktop_window(), NULL, 0 )))
2765 {
2766 int i;
2767
2768 for (i = 0; list[i]; i++)
2769 {
2770 if (!is_window(list[i])) continue;
2771 if ((get_window_long( list[i], GWL_STYLE ) & (WS_POPUP|WS_CHILD)) == WS_CHILD)
2772 continue;
2773
2774 switch(info->type)
2775 {
2776 case MSG_UNICODE:
2777 case MSG_OTHER_PROCESS:
2778 send_message_timeout( list[i], info->msg, info->wparam, info->lparam,
2779 info->flags, info->timeout, FALSE );
2780 break;
2781 case MSG_ASCII:
2782 send_message_timeout( list[i], info->msg, info->wparam, info->lparam,
2783 info->flags, info->timeout, TRUE );
2784 break;
2785 case MSG_NOTIFY:
2786 NtUserMessageCall( list[i], info->msg, info->wparam, info->lparam,
2787 0, NtUserSendNotifyMessage, FALSE );
2788 break;
2789 case MSG_CALLBACK:
2790 {
2791 struct send_message_callback_params params =
2792 { .callback = info->callback, .data = info->data };
2793 NtUserMessageCall( list[i], info->msg, info->wparam, info->lparam,
2794 &params, NtUserSendMessageCallback, FALSE );
2795 break;
2796 }
2797 case MSG_POSTED:
2798 NtUserPostMessage( list[i], info->msg, info->wparam, info->lparam );
2799 break;
2800 default:
2801 ERR( "bad type %d\n", info->type );
2802 break;
2803 }
2804 }
2805
2806 free( list );
2807 }
2808
2809 if (res_ptr) *res_ptr = 1;
2810 return TRUE;
2811 }
2812
2813 static BOOL process_packed_message( struct send_message_info *info, LRESULT *res_ptr, BOOL ansi )
2814 {
2815 struct user_thread_info *thread_info = get_user_thread_info();
2816 struct received_message_info receive_info;
2817 struct packed_message data;
2818 size_t buffer_size = 0, i;
2819 void *buffer = NULL;
2820 char *ptr;
2821
2822 pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
2823 if (data.count == -1) return FALSE;
2824
2825 for (i = 0; i < data.count; i++) buffer_size += data.size[i];
2826 if (!(buffer = malloc( buffer_size ))) return FALSE;
2827 for (ptr = buffer, i = 0; i < data.count; i++)
2828 {
2829 memcpy( ptr, data.data[i], data.size[i] );
2830 ptr += data.size[i];
2831 }
2832
2833 receive_info.type = MSG_CLIENT_MESSAGE;
2834 receive_info.msg.hwnd = info->hwnd;
2835 receive_info.msg.message = info->msg;
2836 receive_info.msg.wParam = info->wparam;
2837 receive_info.msg.lParam = info->lparam;
2838 receive_info.flags = 0;
2839 receive_info.prev = thread_info->receive_info;
2840 receive_info.result = 0;
2841 thread_info->receive_info = &receive_info;
2842
2843 *res_ptr = call_window_proc( info->hwnd, info->msg, info->wparam, info->lparam,
2844 !ansi, TRUE, info->wm_char, TRUE, buffer, buffer_size );
2845 if (thread_info->receive_info == &receive_info)
2846 {
2847 thread_info->receive_info = receive_info.prev;
2848 *res_ptr = receive_info.result;
2849 }
2850 free( buffer );
2851 return TRUE;
2852 }
2853
2854 static inline void *get_buffer( void *static_buffer, size_t size, size_t need )
2855 {
2856 if (size >= need) return static_buffer;
2857 return malloc( need );
2858 }
2859
2860 static inline void free_buffer( void *static_buffer, void *buffer )
2861 {
2862 if (buffer != static_buffer) free( buffer );
2863 }
2864
2865 typedef LRESULT (*winproc_callback_t)( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
2866 LRESULT *result, void *arg );
2867
2868 /**********************************************************************
2869 * test_lb_for_string
2870 *
2871 * Return TRUE if the lparam is a string
2872 */
2873 static inline BOOL test_lb_for_string( HWND hwnd, UINT msg )
2874 {
2875 DWORD style = get_window_long( hwnd, GWL_STYLE );
2876 if (msg <= CB_MSGMAX)
2877 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
2878 else
2879 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
2880
2881 }
2882
2883 static CPTABLEINFO *get_input_codepage( void )
2884 {
2885 const NLS_LOCALE_DATA *locale;
2886 HKL hkl = NtUserGetKeyboardLayout( 0 );
2887 CPTABLEINFO *ret = NULL;
2888
2889 locale = get_locale_data( LOWORD(hkl) );
2890 if (locale && locale->idefaultansicodepage != CP_UTF8)
2891 ret = get_cptable( locale->idefaultansicodepage );
2892 return ret ? ret : &ansi_cp;
2893 }
2894
2895 /***********************************************************************
2896 * map_wparam_AtoW
2897 *
2898 * Convert the wparam of an ASCII message to Unicode.
2899 */
2900 static BOOL map_wparam_AtoW( UINT message, WPARAM *wparam, enum wm_char_mapping mapping )
2901 {
2902 char ch[2];
2903 WCHAR wch[2];
2904
2905 wch[0] = wch[1] = 0;
2906 switch(message)
2907 {
2908 case WM_CHARTOITEM:
2909 case EM_SETPASSWORDCHAR:
2910 case WM_DEADCHAR:
2911 case WM_SYSCHAR:
2912 case WM_SYSDEADCHAR:
2913 case WM_MENUCHAR:
2914 ch[0] = LOBYTE(*wparam);
2915 ch[1] = HIBYTE(*wparam);
2916 win32u_mbtowc( get_input_codepage(), wch, 2, ch, 2 );
2917 *wparam = MAKEWPARAM(wch[0], wch[1]);
2918 break;
2919
2920 case WM_IME_CHAR:
2921 ch[0] = HIBYTE(*wparam);
2922 ch[1] = LOBYTE(*wparam);
2923 if (ch[0]) win32u_mbtowc( get_input_codepage(), wch, 2, ch, 2 );
2924 else win32u_mbtowc( get_input_codepage(), wch, 1, ch + 1, 1 );
2925 *wparam = MAKEWPARAM(wch[0], HIWORD(*wparam));
2926 break;
2927 }
2928 return TRUE;
2929 }
2930
2931 /**********************************************************************
2932 * call_messageAtoW
2933 *
2934 * Call a window procedure, translating args from Ansi to Unicode.
2935 */
2936 static LRESULT call_messageAtoW( winproc_callback_t callback, HWND hwnd, UINT msg, WPARAM wparam,
2937 LPARAM lparam, LRESULT *result, void *arg, enum wm_char_mapping mapping )
2938 {
2939 LRESULT ret = 0;
2940
2941 TRACE( "(hwnd=%p,msg=%s,wp=%#lx,lp=%#lx)\n", hwnd, debugstr_msg_name( msg, hwnd ),
2942 (long)wparam, (long)lparam );
2943
2944 switch(msg)
2945 {
2946 case WM_MDICREATE:
2947 {
2948 WCHAR *ptr, buffer[512];
2949 DWORD title_lenA = 0, title_lenW = 0, class_lenA = 0, class_lenW = 0;
2950 MDICREATESTRUCTA *csA = (MDICREATESTRUCTA *)lparam;
2951 MDICREATESTRUCTW csW;
2952
2953 memcpy( &csW, csA, sizeof(csW) );
2954
2955 if (!IS_INTRESOURCE(csA->szTitle))
2956 {
2957 title_lenA = strlen(csA->szTitle) + 1;
2958 title_lenW = win32u_mbtowc_size( &ansi_cp, csA->szTitle, title_lenA );
2959 }
2960 if (!IS_INTRESOURCE(csA->szClass))
2961 {
2962 class_lenA = strlen(csA->szClass) + 1;
2963 class_lenW = win32u_mbtowc_size( &ansi_cp, csA->szClass, class_lenA );
2964 }
2965
2966 if (!(ptr = get_buffer( buffer, sizeof(buffer), (title_lenW + class_lenW) * sizeof(WCHAR) )))
2967 break;
2968
2969 if (title_lenW)
2970 {
2971 csW.szTitle = ptr;
2972 win32u_mbtowc( &ansi_cp, ptr, title_lenW, csA->szTitle, title_lenA );
2973 }
2974 if (class_lenW)
2975 {
2976 csW.szClass = ptr + title_lenW;
2977 win32u_mbtowc( &ansi_cp, ptr + title_lenW, class_lenW, csA->szClass, class_lenA );
2978 }
2979 ret = callback( hwnd, msg, wparam, (LPARAM)&csW, result, arg );
2980 free_buffer( buffer, ptr );
2981 }
2982 break;
2983
2984 case WM_GETTEXT:
2985 case WM_ASKCBFORMATNAME:
2986 {
2987 WCHAR *ptr, buffer[512];
2988 LPSTR str = (LPSTR)lparam;
2989 DWORD len = wparam * sizeof(WCHAR);
2990
2991 if (!(ptr = get_buffer( buffer, sizeof(buffer), len ))) break;
2992 ret = callback( hwnd, msg, wparam, (LPARAM)ptr, result, arg );
2993 if (wparam)
2994 {
2995 len = 0;
2996 len = *result ? win32u_wctomb( &ansi_cp, str, wparam - 1, ptr, *result ) : 0;
2997 str[len] = 0;
2998 *result = len;
2999 }
3000 free_buffer( buffer, ptr );
3001 }
3002 break;
3003
3004 case LB_ADDSTRING:
3005 case LB_INSERTSTRING:
3006 case LB_FINDSTRING:
3007 case LB_FINDSTRINGEXACT:
3008 case LB_SELECTSTRING:
3009 case CB_ADDSTRING:
3010 case CB_INSERTSTRING:
3011 case CB_FINDSTRING:
3012 case CB_FINDSTRINGEXACT:
3013 case CB_SELECTSTRING:
3014 if (!lparam || !test_lb_for_string( hwnd, msg ))
3015 {
3016 ret = callback( hwnd, msg, wparam, lparam, result, arg );
3017 break;
3018 }
3019 /* fall through */
3020 case WM_SETTEXT:
3021 case WM_WININICHANGE:
3022 case WM_DEVMODECHANGE:
3023 case CB_DIR:
3024 case LB_DIR:
3025 case LB_ADDFILE:
3026 case EM_REPLACESEL:
3027 if (!lparam)
3028 {
3029 ret = callback( hwnd, msg, wparam, lparam, result, arg );
3030 }
3031 else
3032 {
3033 WCHAR *ptr, buffer[512];
3034 LPCSTR strA = (LPCSTR)lparam;
3035 DWORD lenW, lenA = strlen(strA) + 1;
3036
3037 lenW = win32u_mbtowc_size( &ansi_cp, strA, lenA );
3038 if ((ptr = get_buffer( buffer, sizeof(buffer), lenW * sizeof(WCHAR) )))
3039 {
3040 win32u_mbtowc( &ansi_cp, ptr, lenW, strA, lenA );
3041 ret = callback( hwnd, msg, wparam, (LPARAM)ptr, result, arg );
3042 free_buffer( buffer, ptr );
3043 }
3044 }
3045 break;
3046
3047 case EM_GETLINE:
3048 {
3049 WCHAR *ptr, buffer[512];
3050 WORD len = *(WORD *)lparam;
3051
3052 if (!(ptr = get_buffer( buffer, sizeof(buffer), len * sizeof(WCHAR) ))) break;
3053 *((WORD *)ptr) = len; /* store the length */
3054 ret = callback( hwnd, msg, wparam, (LPARAM)ptr, result, arg );
3055 if (*result)
3056 {
3057 DWORD reslen;
3058 reslen = win32u_wctomb( &ansi_cp, (char *)lparam, len, ptr, *result );
3059 if (reslen < len) ((LPSTR)lparam)[reslen] = 0;
3060 *result = reslen;
3061 }
3062 free_buffer( buffer, ptr );
3063 }
3064 break;
3065
3066 case WM_GETDLGCODE:
3067 if (lparam)
3068 {
3069 MSG newmsg = *(MSG *)lparam;
3070 if (map_wparam_AtoW( newmsg.message, &newmsg.wParam, WMCHAR_MAP_NOMAPPING ))
3071 ret = callback( hwnd, msg, wparam, (LPARAM)&newmsg, result, arg );
3072 }
3073 else ret = callback( hwnd, msg, wparam, lparam, result, arg );
3074 break;
3075
3076 case WM_CHARTOITEM:
3077 case WM_MENUCHAR:
3078 case WM_DEADCHAR:
3079 case WM_SYSCHAR:
3080 case WM_SYSDEADCHAR:
3081 case EM_SETPASSWORDCHAR:
3082 case WM_IME_CHAR:
3083 if (map_wparam_AtoW( msg, &wparam, mapping ))
3084 ret = callback( hwnd, msg, wparam, lparam, result, arg );
3085 break;
3086
3087 case WM_GETTEXTLENGTH:
3088 case CB_GETLBTEXTLEN:
3089 case LB_GETTEXTLEN:
3090 ret = callback( hwnd, msg, wparam, lparam, result, arg );
3091 if (*result >= 0)
3092 {
3093 WCHAR *ptr, buffer[512];
3094 LRESULT res;
3095 DWORD len = *result + 1;
3096 /* Determine respective GETTEXT message */
3097 UINT msg_get_text = msg == WM_GETTEXTLENGTH ? WM_GETTEXT :
3098 (msg == CB_GETLBTEXTLEN ? CB_GETLBTEXT : LB_GETTEXT);
3099 /* wparam differs between the messages */
3100 WPARAM wp = msg == WM_GETTEXTLENGTH ? len : wparam;
3101
3102 if (!(ptr = get_buffer( buffer, sizeof(buffer), len * sizeof(WCHAR) ))) break;
3103
3104 res = send_message( hwnd, msg_get_text, wp, (LPARAM)ptr );
3105 *result = win32u_wctomb_size( &ansi_cp, ptr, res );
3106 free_buffer( buffer, ptr );
3107 }
3108 break;
3109
3110 default:
3111 ret = callback( hwnd, msg, wparam, lparam, result, arg );
3112 break;
3113 }
3114 return ret;
3115 }
3116
3117 /***********************************************************************
3118 * process_message
3119 *
3120 * Backend implementation of the various SendMessage functions.
3121 */
3122 static BOOL process_message( struct send_message_info *info, DWORD_PTR *res_ptr, BOOL ansi )
3123 {
3124 struct ntuser_thread_info *thread_info = NtUserGetThreadInfo();
3125 INPUT_MESSAGE_SOURCE prev_source = thread_info->msg_source;
3126 DWORD dest_pid;
3127 BOOL ret;
3128 LRESULT result = 0;
3129
3130 if (is_broadcast( info->hwnd )) return broadcast_message( info, res_ptr );
3131
3132 if (!(info->dest_tid = get_window_thread( info->hwnd, &dest_pid ))) return FALSE;
3133 if (is_exiting_thread( info->dest_tid )) return FALSE;
3134
3135 if (info->params && info->dest_tid == GetCurrentThreadId() &&
3136 !is_hooked( WH_CALLWNDPROC ) && !is_hooked( WH_CALLWNDPROCRET ) &&
3137 thread_info->recursion_count <= MAX_WINPROC_RECURSION)
3138 {
3139 /* if we're called from client side and need just a simple winproc call,
3140 * just fill dispatch params and let user32 do the rest */
3141 return init_window_call_params( info->params, info->hwnd, info->msg, info->wparam, info->lparam,
3142 NULL, ansi, info->wm_char );
3143 }
3144
3145 thread_info->msg_source = msg_source_unavailable;
3146 spy_enter_message( SPY_SENDMESSAGE, info->hwnd, info->msg, info->wparam, info->lparam );
3147
3148 if (info->dest_tid != GetCurrentThreadId())
3149 {
3150 if (dest_pid != GetCurrentProcessId() && (info->type == MSG_ASCII || info->type == MSG_UNICODE))
3151 info->type = MSG_OTHER_PROCESS;
3152
3153 /* MSG_ASCII can be sent unconverted except for WM_CHAR; everything else needs to be Unicode */
3154 if (ansi && (info->type != MSG_ASCII || info->msg == WM_CHAR))
3155 ret = call_messageAtoW( send_inter_thread_callback, info->hwnd, info->msg,
3156 info->wparam, info->lparam, &result, info, info->wm_char );
3157 else
3158 ret = send_inter_thread_message( info, &result );
3159 }
3160 else if (info->type != MSG_OTHER_PROCESS)
3161 {
3162 result = call_window_proc( info->hwnd, info->msg, info->wparam, info->lparam,
3163 !ansi, TRUE, info->wm_char, FALSE, NULL, 0 );
3164 if (info->type == MSG_CALLBACK)
3165 call_sendmsg_callback( info->callback, info->hwnd, info->msg, info->data, result );
3166 ret = TRUE;
3167 }
3168 else
3169 {
3170 ret = process_packed_message( info, &result, ansi );
3171 }
3172
3173 spy_exit_message( SPY_RESULT_OK, info->hwnd, info->msg, result, info->wparam, info->lparam );
3174 thread_info->msg_source = prev_source;
3175 if (ret && res_ptr) *res_ptr = result;
3176 return ret;
3177 }
3178
3179 /***********************************************************************
3180 * NtUserSetTimer (win32u.@)
3181 */
3182 UINT_PTR WINAPI NtUserSetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc, ULONG tolerance )
3183 {
3184 UINT_PTR ret;
3185 WNDPROC winproc = 0;
3186
3187 if (proc) winproc = alloc_winproc( (WNDPROC)proc, TRUE );
3188
3189 timeout = min( max( USER_TIMER_MINIMUM, timeout ), USER_TIMER_MAXIMUM );
3190
3191 SERVER_START_REQ( set_win_timer )
3192 {
3193 req->win = wine_server_user_handle( hwnd );
3194 req->msg = WM_TIMER;
3195 req->id = id;
3196 req->rate = timeout;
3197 req->lparam = (ULONG_PTR)winproc;
3198 if (!wine_server_call_err( req ))
3199 {
3200 ret = reply->id;
3201 if (!ret) ret = TRUE;
3202 }
3203 else ret = 0;
3204 }
3205 SERVER_END_REQ;
3206
3207 TRACE( "Added %p %lx %p timeout %d\n", hwnd, (long)id, winproc, timeout );
3208 return ret;
3209 }
3210
3211 /***********************************************************************
3212 * NtUserSetSystemTimer (win32u.@)
3213 */
3214 UINT_PTR WINAPI NtUserSetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout )
3215 {
3216 UINT_PTR ret;
3217
3218 TRACE( "window %p, id %#lx, timeout %u\n", hwnd, (long)id, timeout );
3219
3220 timeout = min( max( USER_TIMER_MINIMUM, timeout ), USER_TIMER_MAXIMUM );
3221
3222 SERVER_START_REQ( set_win_timer )
3223 {
3224 req->win = wine_server_user_handle( hwnd );
3225 req->msg = WM_SYSTIMER;
3226 req->id = id;
3227 req->rate = timeout;
3228 req->lparam = 0;
3229 if (!wine_server_call_err( req ))
3230 {
3231 ret = reply->id;
3232 if (!ret) ret = TRUE;
3233 }
3234 else ret = 0;
3235 }
3236 SERVER_END_REQ;
3237
3238 return ret;
3239 }
3240
3241 /***********************************************************************
3242 * NtUserKillTimer (win32u.@)
3243 */
3244 BOOL WINAPI NtUserKillTimer( HWND hwnd, UINT_PTR id )
3245 {
3246 BOOL ret;
3247
3248 SERVER_START_REQ( kill_win_timer )
3249 {
3250 req->win = wine_server_user_handle( hwnd );
3251 req->msg = WM_TIMER;
3252 req->id = id;
3253 ret = !wine_server_call_err( req );
3254 }
3255 SERVER_END_REQ;
3256 return ret;
3257 }
3258
3259 /* see KillSystemTimer */
3260 BOOL kill_system_timer( HWND hwnd, UINT_PTR id )
3261 {
3262 BOOL ret;
3263
3264 SERVER_START_REQ( kill_win_timer )
3265 {
3266 req->win = wine_server_user_handle( hwnd );
3267 req->msg = WM_SYSTIMER;
3268 req->id = id;
3269 ret = !wine_server_call_err( req );
3270 }
3271 SERVER_END_REQ;
3272 return ret;
3273 }
3274
3275 static LRESULT send_window_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3276 struct win_proc_params *client_params, BOOL ansi )
3277 {
3278 struct send_message_info info;
3279 DWORD_PTR res = 0;
3280
3281 info.type = ansi ? MSG_ASCII : MSG_UNICODE;
3282 info.hwnd = hwnd;
3283 info.msg = msg;
3284 info.wparam = wparam;
3285 info.lparam = lparam;
3286 info.flags = SMTO_NORMAL;
3287 info.timeout = 0;
3288 info.wm_char = WMCHAR_MAP_SENDMESSAGE;
3289 info.params = client_params;
3290
3291 process_message( &info, &res, ansi );
3292 return res;
3293 }
3294
3295 /* see SendMessageTimeoutW */
3296 static LRESULT send_client_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3297 UINT flags, UINT timeout, DWORD_PTR *res_ptr, BOOL ansi )
3298 {
3299 struct send_message_info info;
3300
3301 info.type = ansi ? MSG_ASCII : MSG_UNICODE;
3302 info.hwnd = hwnd;
3303 info.msg = msg;
3304 info.wparam = wparam;
3305 info.lparam = lparam;
3306 info.flags = flags;
3307 info.timeout = timeout;
3308 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3309 info.params = NULL;
3310
3311 return process_message( &info, res_ptr, ansi );
3312 }
3313
3314 LRESULT send_message_timeout( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3315 UINT flags, UINT timeout, BOOL ansi )
3316 {
3317 struct send_message_info info;
3318 DWORD_PTR res = 0;
3319
3320 if (!is_pointer_message( msg, wparam ))
3321 {
3322 send_client_message( hwnd, msg, wparam, lparam, flags, timeout, &res, ansi );
3323 return res;
3324 }
3325
3326 info.type = MSG_OTHER_PROCESS;
3327 info.hwnd = hwnd;
3328 info.msg = msg;
3329 info.wparam = wparam;
3330 info.lparam = lparam;
3331 info.flags = flags;
3332 info.timeout = timeout;
3333 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3334 info.params = NULL;
3335
3336 process_message( &info, &res, ansi );
3337 return res;
3338 }
3339
3340 /* see SendMessageW */
3341 LRESULT send_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3342 {
3343 return send_message_timeout( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, FALSE );
3344 }
3345
3346 /* see SendNotifyMessageW */
3347 BOOL send_notify_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam, BOOL ansi )
3348 {
3349 struct send_message_info info;
3350
3351 if (is_pointer_message( msg, wparam ))
3352 {
3353 RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
3354 return FALSE;
3355 }
3356
3357 info.type = MSG_NOTIFY;
3358 info.hwnd = hwnd;
3359 info.msg = msg;
3360 info.wparam = wparam;
3361 info.lparam = lparam;
3362 info.flags = 0;
3363 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3364 info.params = NULL;
3365
3366 return process_message( &info, NULL, ansi );
3367 }
3368
3369 /* see SendMessageCallbackW */
3370 static BOOL send_message_callback( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3371 const struct send_message_callback_params *params, BOOL ansi )
3372 {
3373 struct send_message_info info;
3374
3375 if (is_pointer_message( msg, wparam ))
3376 {
3377 RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
3378 return FALSE;
3379 }
3380
3381 info.type = MSG_CALLBACK;
3382 info.hwnd = hwnd;
3383 info.msg = msg;
3384 info.wparam = wparam;
3385 info.lparam = lparam;
3386 info.callback = params->callback;
3387 info.data = params->data;
3388 info.flags = 0;
3389 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3390 info.params = NULL;
3391
3392 return process_message( &info, NULL, ansi );
3393 }
3394
3395 /***********************************************************************
3396 * NtUserPostMessage (win32u.@)
3397 */
3398 BOOL WINAPI NtUserPostMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3399 {
3400 struct send_message_info info;
3401
3402 if (is_pointer_message( msg, wparam ))
3403 {
3404 RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
3405 return FALSE;
3406 }
3407
3408 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
3409 hwnd, msg, debugstr_msg_name(msg, hwnd), (long)wparam, lparam );
3410
3411 info.type = MSG_POSTED;
3412 info.hwnd = hwnd;
3413 info.msg = msg;
3414 info.wparam = wparam;
3415 info.lparam = lparam;
3416 info.flags = 0;
3417 info.params = NULL;
3418
3419 if (is_broadcast(hwnd)) return broadcast_message( &info, NULL );
3420
3421 if (!hwnd) return NtUserPostThreadMessage( GetCurrentThreadId(), msg, wparam, lparam );
3422
3423 if (!(info.dest_tid = get_window_thread( hwnd, NULL ))) return FALSE;
3424
3425 if (is_exiting_thread( info.dest_tid )) return TRUE;
3426
3427 return put_message_in_queue( &info, NULL );
3428 }
3429
3430 /**********************************************************************
3431 * NtUserPostThreadMessage (win32u.@)
3432 */
3433 BOOL WINAPI NtUserPostThreadMessage( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
3434 {
3435 struct send_message_info info;
3436
3437 if (is_pointer_message( msg, wparam ))
3438 {
3439 RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
3440 return FALSE;
3441 }
3442 if (is_exiting_thread( thread )) return TRUE;
3443
3444 info.type = MSG_POSTED;
3445 info.dest_tid = thread;
3446 info.hwnd = 0;
3447 info.msg = msg;
3448 info.wparam = wparam;
3449 info.lparam = lparam;
3450 info.flags = 0;
3451 info.params = NULL;
3452 return put_message_in_queue( &info, NULL );
3453 }
3454
3455 LRESULT WINAPI NtUserMessageCall( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3456 void *result_info, DWORD type, BOOL ansi )
3457 {
3458 switch (type)
3459 {
3460 case NtUserScrollBarWndProc:
3461 return scroll_bar_window_proc( hwnd, msg, wparam, lparam, ansi );
3462
3463 case NtUserPopupMenuWndProc:
3464 return popup_menu_window_proc( hwnd, msg, wparam, lparam );
3465
3466 case NtUserDesktopWindowProc:
3467 return desktop_window_proc( hwnd, msg, wparam, lparam );
3468
3469 case NtUserDefWindowProc:
3470 return default_window_proc( hwnd, msg, wparam, lparam, ansi );
3471
3472 case NtUserCallWindowProc:
3473 return init_win_proc_params( (struct win_proc_params *)result_info, hwnd, msg,
3474 wparam, lparam, ansi );
3475
3476 case NtUserSendMessage:
3477 return send_window_message( hwnd, msg, wparam, lparam, result_info, ansi );
3478
3479 case NtUserSendMessageTimeout:
3480 {
3481 struct send_message_timeout_params *params = (void *)result_info;
3482 DWORD_PTR res = 0;
3483 params->result = send_client_message( hwnd, msg, wparam, lparam, params->flags,
3484 params->timeout, &res, ansi );
3485 return res;
3486 }
3487
3488 case NtUserSendNotifyMessage:
3489 return send_notify_message( hwnd, msg, wparam, lparam, ansi );
3490
3491 case NtUserSendMessageCallback:
3492 return send_message_callback( hwnd, msg, wparam, lparam, result_info, ansi );
3493
3494 case NtUserClipboardWindowProc:
3495 return user_driver->pClipboardWindowProc( hwnd, msg, wparam, lparam );
3496
3497 case NtUserWinProcResult:
3498 return reply_winproc_result( (LRESULT)result_info, hwnd, msg, wparam, lparam );
3499
3500 case NtUserGetDispatchParams:
3501 if (!hwnd) return FALSE;
3502 if (init_window_call_params( result_info, hwnd, msg, wparam, lparam,
3503 NULL, ansi, WMCHAR_MAP_DISPATCHMESSAGE ))
3504 return TRUE;
3505 if (!is_window( hwnd )) RtlSetLastWin32Error( ERROR_INVALID_WINDOW_HANDLE );
3506 else RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
3507 return FALSE;
3508
3509 case NtUserSendDriverMessage:
3510 /* used by driver to send packed messages */
3511 return send_message( hwnd, msg, wparam, lparam );
3512
3513 case NtUserSpyEnter:
3514 spy_enter_message( ansi, hwnd, msg, wparam, lparam );
3515 return 0;
3516
3517 case NtUserSpyGetMsgName:
3518 lstrcpynA( result_info, debugstr_msg_name( msg, hwnd ), wparam );
3519 return 0;
3520
3521 case NtUserSpyExit:
3522 spy_exit_message( ansi, hwnd, msg, (LPARAM)result_info, wparam, lparam );
3523 return 0;
3524
3525 case NtUserImeDriverCall:
3526 return ime_driver_call( hwnd, msg, wparam, lparam, result_info );
3527
3528 default:
3529 FIXME( "%p %x %lx %lx %p %x %x\n", hwnd, msg, (long)wparam, lparam, result_info, (int)type, ansi );
3530 }
3531 return 0;
3532 }
3533
3534 /***********************************************************************
3535 * NtUserTranslateMessage (win32u.@)
3536 */
3537 BOOL WINAPI NtUserTranslateMessage( const MSG *msg, UINT flags )
3538 {
3539 UINT message;
3540 WCHAR wp[8];
3541 BYTE state[256];
3542 INT len;
3543
3544 if (flags) FIXME( "unsupported flags %x\n", flags );
3545
3546 if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
3547 if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
3548
3549 TRACE_(key)( "Translating key %s (%04x), scancode %04x\n",
3550 debugstr_vkey_name( msg->wParam ), LOWORD(msg->wParam), HIWORD(msg->lParam) );
3551
3552 switch (msg->wParam)
3553 {
3554 case VK_PACKET:
3555 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
3556 TRACE_(key)( "PostMessageW(%p,%s,%04x,%08x)\n", msg->hwnd,
3557 debugstr_msg_name( message, msg->hwnd ),
3558 HIWORD(msg->lParam), LOWORD(msg->lParam) );
3559 NtUserPostMessage( msg->hwnd, message, HIWORD(msg->lParam), LOWORD(msg->lParam) );
3560 return TRUE;
3561
3562 case VK_PROCESSKEY:
3563 return ImmTranslateMessage( msg->hwnd, msg->message, msg->wParam, msg->lParam );
3564 }
3565
3566 NtUserGetKeyboardState( state );
3567 len = NtUserToUnicodeEx( msg->wParam, HIWORD(msg->lParam), state, wp, ARRAY_SIZE(wp), 0,
3568 NtUserGetKeyboardLayout(0) );
3569 if (len == -1)
3570 {
3571 message = msg->message == WM_KEYDOWN ? WM_DEADCHAR : WM_SYSDEADCHAR;
3572 TRACE_(key)( "-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
3573 msg->hwnd, debugstr_msg_name( message, msg->hwnd ), wp[0], msg->lParam );
3574 NtUserPostMessage( msg->hwnd, message, wp[0], msg->lParam );
3575 }
3576 else if (len > 0)
3577 {
3578 INT i;
3579
3580 message = msg->message == WM_KEYDOWN ? WM_CHAR : WM_SYSCHAR;
3581 TRACE_(key)( "%d -> PostMessageW(%p,%s,<x>,%08lx) for <x> in %s\n", len, msg->hwnd,
3582 debugstr_msg_name(message, msg->hwnd), msg->lParam, debugstr_wn(wp, len) );
3583 for (i = 0; i < len; i++)
3584 NtUserPostMessage( msg->hwnd, message, wp[i], msg->lParam );
3585 }
3586 return TRUE;
3587 }
Windows API implementation