1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
6 * Copyright 1997 Alexandre Julliard
7 * Copyright 1997 Len White
8 * Copyright 1999 Keith Matthews
10 * Copyright 2001 Eric Pouech
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
36 #include "wine/debug.h"
37 #include "dde/dde_private.h"
39 WINE_DEFAULT_DEBUG_CHANNEL(ddeml);
41 static const char szServerNameClassA[] = "DdeServerNameAnsi";
42 const char WDML_szServerConvClassA[] = "DdeServerConvAnsi";
43 const WCHAR WDML_szServerConvClassW[] = {'D','d','e','S','e','r','v','e','r','C','o','n','v','U','n','i','c','o','d','e',0};
45 static LRESULT CALLBACK WDML_ServerNameProc(HWND, UINT, WPARAM, LPARAM);
46 static LRESULT CALLBACK WDML_ServerConvProc(HWND, UINT, WPARAM, LPARAM);
48 /******************************************************************************
49 * DdePostAdvise [USER32.@] Send transaction to DDE callback function.
52 * idInst [I] Instance identifier
53 * hszTopic [I] Handle to topic name string
54 * hszItem [I] Handle to item name string
60 BOOL WINAPI DdePostAdvise(DWORD idInst, HSZ hszTopic, HSZ hszItem)
62 WDML_INSTANCE* pInstance = NULL;
63 WDML_LINK* pLink = NULL;
64 HDDEDATA hDdeData = 0;
65 HGLOBAL hItemData = 0;
66 WDML_CONV* pConv = NULL;
70 TRACE("(%ld,%p,%p)\n", idInst, hszTopic, hszItem);
72 EnterCriticalSection(&WDML_CritSect);
74 pInstance = WDML_GetInstance(idInst);
76 if (pInstance == NULL || pInstance->links == NULL)
81 atom = WDML_MakeAtomFromHsz(hszItem);
82 if (!atom) goto theError;
84 /* first compute the number of links which will trigger a message */
86 for (pLink = pInstance->links[WDML_SERVER_SIDE]; pLink != NULL; pLink = pLink->next)
88 if (DdeCmpStringHandles(hszItem, pLink->hszItem) == 0)
93 if (count >= CADV_LATEACK)
95 FIXME("too high value for count\n");
99 for (pLink = pInstance->links[WDML_SERVER_SIDE]; pLink != NULL; pLink = pLink->next)
101 if (DdeCmpStringHandles(hszItem, pLink->hszItem) == 0)
103 hDdeData = WDML_InvokeCallback(pInstance, XTYP_ADVREQ, pLink->uFmt, pLink->hConv,
104 hszTopic, hszItem, 0, --count, 0);
106 if (hDdeData == (HDDEDATA)CBR_BLOCK)
108 /* MS doc is not consistent here */
109 FIXME("CBR_BLOCK returned for ADVREQ\n");
114 if (pLink->transactionType & XTYPF_NODATA)
121 TRACE("with data\n");
123 hItemData = WDML_DataHandle2Global(hDdeData, FALSE, FALSE, FALSE, FALSE);
126 pConv = WDML_GetConv(pLink->hConv, TRUE);
130 if (!WDML_IsAppOwned(hDdeData)) DdeFreeDataHandle(hDdeData);
134 if (!PostMessageA(pConv->hwndClient, WM_DDE_DATA, (WPARAM)pConv->hwndServer,
135 PackDDElParam(WM_DDE_DATA, (UINT_PTR)hItemData, atom)))
137 ERR("post message failed\n");
138 pConv->wStatus &= ~ST_CONNECTED;
139 if (!WDML_IsAppOwned(hDdeData)) DdeFreeDataHandle(hDdeData);
140 GlobalFree(hItemData);
143 if (!WDML_IsAppOwned(hDdeData)) DdeFreeDataHandle(hDdeData);
147 LeaveCriticalSection(&WDML_CritSect);
150 LeaveCriticalSection(&WDML_CritSect);
151 if (atom) GlobalDeleteAtom(atom);
156 /******************************************************************************
157 * DdeNameService [USER32.@] {Un}registers service name of DDE server
160 * idInst [I] Instance identifier
161 * hsz1 [I] Handle to service name string
163 * afCmd [I] Service name flags
169 HDDEDATA WINAPI DdeNameService(DWORD idInst, HSZ hsz1, HSZ hsz2, UINT afCmd)
171 WDML_SERVER* pServer;
172 WDML_INSTANCE* pInstance;
175 WNDCLASSEXA wndclass;
179 TRACE("(%ld,%p,%p,%x)\n", idInst, hsz1, hsz2, afCmd);
181 EnterCriticalSection(&WDML_CritSect);
183 /* First check instance
185 pInstance = WDML_GetInstance(idInst);
186 if (pInstance == NULL)
188 TRACE("Instance not found as initialised\n");
189 /* Nothing has been initialised - exit now ! can return TRUE since effect is the same */
195 /* Illegal, reserved parameter
197 pInstance->lastError = DMLERR_INVALIDPARAMETER;
198 WARN("Reserved parameter no-zero !!\n");
201 if (hsz1 == 0 && !(afCmd & DNS_UNREGISTER))
203 /* don't know if we should check this but it makes sense
204 * why supply REGISTER or filter flags if de-registering all
206 TRACE("General unregister unexpected flags\n");
207 pInstance->lastError = DMLERR_INVALIDPARAMETER;
211 switch (afCmd & (DNS_REGISTER | DNS_UNREGISTER))
214 pServer = WDML_FindServer(pInstance, hsz1, 0);
217 ERR("Trying to register already registered service!\n");
218 pInstance->lastError = DMLERR_DLL_USAGE;
222 TRACE("Adding service name\n");
224 WDML_IncHSZ(pInstance, hsz1);
226 pServer = WDML_AddServer(pInstance, hsz1, 0);
228 WDML_BroadcastDDEWindows(WDML_szEventClass, WM_WDML_REGISTER,
229 pServer->atomService, pServer->atomServiceSpec);
231 wndclass.cbSize = sizeof(wndclass);
233 wndclass.lpfnWndProc = WDML_ServerNameProc;
234 wndclass.cbClsExtra = 0;
235 wndclass.cbWndExtra = 2 * sizeof(DWORD);
236 wndclass.hInstance = 0;
238 wndclass.hCursor = 0;
239 wndclass.hbrBackground = 0;
240 wndclass.lpszMenuName = NULL;
241 wndclass.lpszClassName = szServerNameClassA;
242 wndclass.hIconSm = 0;
244 RegisterClassExA(&wndclass);
246 LeaveCriticalSection(&WDML_CritSect);
247 hwndServer = CreateWindowA(szServerNameClassA, NULL,
248 WS_POPUP, 0, 0, 0, 0,
250 EnterCriticalSection(&WDML_CritSect);
252 SetWindowLongA(hwndServer, GWL_WDML_INSTANCE, (DWORD)pInstance);
253 SetWindowLongA(hwndServer, GWL_WDML_SERVER, (DWORD)pServer);
254 TRACE("Created nameServer=%p for instance=%08lx\n", hwndServer, idInst);
256 pServer->hwndServer = hwndServer;
262 /* General unregister situation
263 * terminate all server side pending conversations
265 while (pInstance->servers)
266 WDML_RemoveServer(pInstance, pInstance->servers->hszService, 0);
267 pInstance->servers = NULL;
268 TRACE("General de-register - finished\n");
272 WDML_RemoveServer(pInstance, hsz1, 0L);
277 if (afCmd & (DNS_FILTERON | DNS_FILTEROFF))
279 /* Set filter flags on to hold notifications of connection
281 pServer = WDML_FindServer(pInstance, hsz1, 0);
284 /* trying to filter where no service names !!
286 pInstance->lastError = DMLERR_DLL_USAGE;
291 pServer->filterOn = (afCmd & DNS_FILTERON) != 0;
294 LeaveCriticalSection(&WDML_CritSect);
295 return (HDDEDATA)TRUE;
298 LeaveCriticalSection(&WDML_CritSect);
302 /******************************************************************
303 * WDML_CreateServerConv
307 static WDML_CONV* WDML_CreateServerConv(WDML_INSTANCE* pInstance, HWND hwndClient,
308 HWND hwndServerName, HSZ hszApp, HSZ hszTopic)
313 if (pInstance->unicode)
315 WNDCLASSEXW wndclass;
317 wndclass.cbSize = sizeof(wndclass);
319 wndclass.lpfnWndProc = WDML_ServerConvProc;
320 wndclass.cbClsExtra = 0;
321 wndclass.cbWndExtra = 2 * sizeof(DWORD);
322 wndclass.hInstance = 0;
324 wndclass.hCursor = 0;
325 wndclass.hbrBackground = 0;
326 wndclass.lpszMenuName = NULL;
327 wndclass.lpszClassName = WDML_szServerConvClassW;
328 wndclass.hIconSm = 0;
330 RegisterClassExW(&wndclass);
332 hwndServerConv = CreateWindowW(WDML_szServerConvClassW, 0,
333 WS_CHILD, 0, 0, 0, 0,
334 hwndServerName, 0, 0, 0);
338 WNDCLASSEXA wndclass;
340 wndclass.cbSize = sizeof(wndclass);
342 wndclass.lpfnWndProc = WDML_ServerConvProc;
343 wndclass.cbClsExtra = 0;
344 wndclass.cbWndExtra = 2 * sizeof(DWORD);
345 wndclass.hInstance = 0;
347 wndclass.hCursor = 0;
348 wndclass.hbrBackground = 0;
349 wndclass.lpszMenuName = NULL;
350 wndclass.lpszClassName = WDML_szServerConvClassA;
351 wndclass.hIconSm = 0;
353 RegisterClassExA(&wndclass);
355 hwndServerConv = CreateWindowA(WDML_szServerConvClassA, 0,
356 WS_CHILD, 0, 0, 0, 0,
357 hwndServerName, 0, 0, 0);
360 TRACE("Created convServer=%p (nameServer=%p) for instance=%08lx\n",
361 hwndServerConv, hwndServerName, pInstance->instanceID);
363 pConv = WDML_AddConv(pInstance, WDML_SERVER_SIDE, hszApp, hszTopic,
364 hwndClient, hwndServerConv);
367 SetWindowLongA(hwndServerConv, GWL_WDML_INSTANCE, (DWORD)pInstance);
368 SetWindowLongA(hwndServerConv, GWL_WDML_CONVERSATION, (DWORD)pConv);
370 /* this should be the only place using SendMessage for WM_DDE_ACK */
371 /* note: sent messages shall not use packing */
372 SendMessageA(hwndClient, WM_DDE_ACK, (WPARAM)hwndServerConv,
373 MAKELPARAM(WDML_MakeAtomFromHsz(hszApp), WDML_MakeAtomFromHsz(hszTopic)));
374 /* we assume we're connected since we've sent an answer...
375 * I'm not sure what we can do... it doesn't look like the return value
376 * of SendMessage is used... sigh...
378 pConv->wStatus |= ST_CONNECTED;
382 DestroyWindow(hwndServerConv);
387 /******************************************************************
388 * WDML_ServerNameProc
392 static LRESULT CALLBACK WDML_ServerNameProc(HWND hwndServer, UINT iMsg, WPARAM wParam, LPARAM lParam)
396 HDDEDATA hDdeData = 0;
397 WDML_INSTANCE* pInstance;
402 case WM_DDE_INITIATE:
404 /* wParam -- sending window handle
405 LOWORD(lParam) -- application atom
406 HIWORD(lParam) -- topic atom */
408 TRACE("WM_DDE_INITIATE message received!\n");
409 hwndClient = (HWND)wParam;
411 pInstance = WDML_GetInstanceFromWnd(hwndServer);
412 TRACE("idInst=%ld, threadID=0x%lx\n", pInstance->instanceID, GetCurrentThreadId());
413 if (!pInstance) return 0;
415 /* don't free DDEParams, since this is a broadcast */
416 UnpackDDElParam(WM_DDE_INITIATE, lParam, &uiLo, &uiHi);
418 hszApp = WDML_MakeHszFromAtom(pInstance, uiLo);
419 hszTop = WDML_MakeHszFromAtom(pInstance, uiHi);
421 if (!(pInstance->CBFflags & CBF_FAIL_CONNECTIONS))
425 CONVCONTEXT* pcc = NULL;
429 if (GetWindowThreadProcessId(hwndClient, NULL) == GetWindowThreadProcessId(hwndServer, NULL) &&
430 WDML_GetInstanceFromWnd(hwndClient) == WDML_GetInstanceFromWnd(hwndServer))
434 /* FIXME: so far, we don't grab distant convcontext, so only check if remote is
435 * handled under DDEML, and if so build a default context
437 if ((GetClassNameA(hwndClient, buf, sizeof(buf)) &&
438 strcmp(buf, WDML_szClientConvClassA) == 0) ||
439 (GetClassNameW(hwndClient, (LPWSTR)buf, sizeof(buf)/sizeof(WCHAR)) &&
440 lstrcmpW((LPWSTR)buf, WDML_szClientConvClassW) == 0))
443 memset(pcc, 0, sizeof(*pcc));
444 pcc->cb = sizeof(*pcc);
445 pcc->iCodePage = IsWindowUnicode(hwndClient) ? CP_WINUNICODE : CP_WINANSI;
447 if ((pInstance->CBFflags & CBF_FAIL_SELFCONNECTIONS) && self)
449 TRACE("Don't do self connection as requested\n");
451 else if (hszApp && hszTop)
453 WDML_SERVER* pServer = (WDML_SERVER*)GetWindowLongA(hwndServer, GWL_WDML_SERVER);
455 /* check filters for name service */
456 if (!pServer->filterOn || DdeCmpStringHandles(pServer->hszService, hszApp) == 0)
458 /* pass on to the callback */
459 hDdeData = WDML_InvokeCallback(pInstance, XTYP_CONNECT,
460 0, 0, hszTop, hszApp, 0, (DWORD)pcc, self);
463 pConv = WDML_CreateServerConv(pInstance, hwndClient, hwndServer,
467 if (pcc) pConv->wStatus |= ST_ISLOCAL;
468 WDML_InvokeCallback(pInstance, XTYP_CONNECT_CONFIRM, 0, (HCONV)pConv,
469 hszTop, hszApp, 0, (DWORD)pcc, self);
474 else if (pInstance->servers)
476 /* pass on to the callback */
477 hDdeData = WDML_InvokeCallback(pInstance, XTYP_WILDCONNECT,
478 0, 0, hszTop, hszApp, 0, (DWORD)pcc, self);
480 if (hDdeData == (HDDEDATA)CBR_BLOCK)
482 /* MS doc is not consistent here */
483 FIXME("CBR_BLOCK returned for WILDCONNECT\n");
485 else if ((UINT)hDdeData != 0)
489 hszp = (HSZPAIR*)DdeAccessData(hDdeData, NULL);
493 for (i = 0; hszp[i].hszSvc && hszp[i].hszTopic; i++)
495 pConv = WDML_CreateServerConv(pInstance, hwndClient, hwndServer,
496 hszp[i].hszSvc, hszp[i].hszTopic);
499 if (pcc) pConv->wStatus |= ST_ISLOCAL;
500 WDML_InvokeCallback(pInstance, XTYP_CONNECT_CONFIRM, 0, (HCONV)pConv,
501 hszp[i].hszTopic, hszp[i].hszSvc, 0, (DWORD)pcc, self);
504 DdeUnaccessData(hDdeData);
506 if (!WDML_IsAppOwned(hDdeData)) DdeFreeDataHandle(hDdeData);
515 FIXME("WM_DDE_REQUEST message received!\n");
518 FIXME("WM_DDE_ADVISE message received!\n");
520 case WM_DDE_UNADVISE:
521 FIXME("WM_DDE_UNADVISE message received!\n");
524 FIXME("WM_DDE_EXECUTE message received!\n");
527 FIXME("WM_DDE_POKE message received!\n");
529 case WM_DDE_TERMINATE:
530 FIXME("WM_DDE_TERMINATE message received!\n");
535 return DefWindowProcA(hwndServer, iMsg, wParam, lParam);
538 /******************************************************************
539 * WDML_ServerQueueRequest
543 static WDML_XACT* WDML_ServerQueueRequest(WDML_CONV* pConv, LPARAM lParam)
548 UnpackDDElParam(WM_DDE_REQUEST, lParam, &uiLo, &uiHi);
550 pXAct = WDML_AllocTransaction(pConv->instance, WM_DDE_REQUEST,
551 uiLo, WDML_MakeHszFromAtom(pConv->instance, uiHi));
552 if (pXAct) pXAct->atom = uiHi;
556 /******************************************************************
557 * WDML_ServerHandleRequest
561 static WDML_QUEUE_STATE WDML_ServerHandleRequest(WDML_CONV* pConv, WDML_XACT* pXAct)
563 HDDEDATA hDdeData = 0;
564 WDML_QUEUE_STATE ret = WDML_QS_HANDLED;
566 if (!(pConv->instance->CBFflags & CBF_FAIL_REQUESTS))
569 hDdeData = WDML_InvokeCallback(pConv->instance, XTYP_REQUEST, pXAct->wFmt, (HCONV)pConv,
570 pConv->hszTopic, pXAct->hszItem, 0, 0, 0);
573 switch ((ULONG_PTR)hDdeData)
576 WDML_PostAck(pConv, WDML_SERVER_SIDE, 0, FALSE, FALSE, pXAct->atom,
577 pXAct->lParam, WM_DDE_REQUEST);
584 HGLOBAL hMem = WDML_DataHandle2Global(hDdeData, TRUE, FALSE, FALSE, FALSE);
585 if (!PostMessageA(pConv->hwndClient, WM_DDE_DATA, (WPARAM)pConv->hwndServer,
586 ReuseDDElParam(pXAct->lParam, WM_DDE_REQUEST, WM_DDE_DATA,
587 (UINT_PTR)hMem, (UINT_PTR)pXAct->atom)))
589 DdeFreeDataHandle(hDdeData);
595 WDML_DecHSZ(pConv->instance, pXAct->hszItem);
599 /******************************************************************
600 * WDML_ServerQueueAdvise
604 static WDML_XACT* WDML_ServerQueueAdvise(WDML_CONV* pConv, LPARAM lParam)
609 /* XTYP_ADVSTART transaction:
610 establish link and save link info to InstanceInfoTable */
612 if (!UnpackDDElParam(WM_DDE_ADVISE, lParam, &uiLo, &uiHi))
615 pXAct = WDML_AllocTransaction(pConv->instance, WM_DDE_ADVISE,
616 0, WDML_MakeHszFromAtom(pConv->instance, uiHi));
619 pXAct->hMem = (HGLOBAL)uiLo;
625 /******************************************************************
626 * WDML_ServerHandleAdvise
630 static WDML_QUEUE_STATE WDML_ServerHandleAdvise(WDML_CONV* pConv, WDML_XACT* pXAct)
634 DDEADVISE* pDdeAdvise;
638 pDdeAdvise = (DDEADVISE*)GlobalLock(pXAct->hMem);
639 uType = XTYP_ADVSTART |
640 (pDdeAdvise->fDeferUpd ? XTYPF_NODATA : 0) |
641 (pDdeAdvise->fAckReq ? XTYPF_ACKREQ : 0);
643 if (!(pConv->instance->CBFflags & CBF_FAIL_ADVISES))
645 hDdeData = WDML_InvokeCallback(pConv->instance, XTYP_ADVSTART, pDdeAdvise->cfFormat,
646 (HCONV)pConv, pConv->hszTopic, pXAct->hszItem, 0, 0, 0);
657 /* billx: first to see if the link is already created. */
658 pLink = WDML_FindLink(pConv->instance, (HCONV)pConv, WDML_SERVER_SIDE,
659 pXAct->hszItem, TRUE, pDdeAdvise->cfFormat);
663 /* we found a link, and only need to modify it in case it changes */
664 pLink->transactionType = uType;
668 TRACE("Adding Link with hConv %p\n", pConv);
669 WDML_AddLink(pConv->instance, (HCONV)pConv, WDML_SERVER_SIDE,
670 uType, pXAct->hszItem, pDdeAdvise->cfFormat);
675 TRACE("No data returned from the Callback\n");
679 GlobalUnlock(pXAct->hMem);
682 GlobalFree(pXAct->hMem);
686 WDML_PostAck(pConv, WDML_SERVER_SIDE, 0, FALSE, fAck, pXAct->atom, pXAct->lParam, WM_DDE_ADVISE);
688 WDML_DecHSZ(pConv->instance, pXAct->hszItem);
690 return WDML_QS_HANDLED;
693 /******************************************************************
694 * WDML_ServerQueueUnadvise
698 static WDML_XACT* WDML_ServerQueueUnadvise(WDML_CONV* pConv, LPARAM lParam)
703 UnpackDDElParam(WM_DDE_UNADVISE, lParam, &uiLo, &uiHi);
705 pXAct = WDML_AllocTransaction(pConv->instance, WM_DDE_UNADVISE,
706 uiLo, WDML_MakeHszFromAtom(pConv->instance, uiHi));
707 if (pXAct) pXAct->atom = uiHi;
711 /******************************************************************
712 * WDML_ServerHandleUnadvise
716 static WDML_QUEUE_STATE WDML_ServerHandleUnadvise(WDML_CONV* pConv, WDML_XACT* pXAct)
720 if (pXAct->hszItem == NULL || pXAct->wFmt == 0)
722 ERR("Unsupported yet options (null item or clipboard format)\n");
723 return WDML_QS_ERROR;
726 pLink = WDML_FindLink(pConv->instance, (HCONV)pConv, WDML_SERVER_SIDE,
727 pXAct->hszItem, TRUE, pXAct->wFmt);
730 ERR("Couln'd find link for %p, dropping request\n", pXAct->hszItem);
731 FreeDDElParam(WM_DDE_UNADVISE, pXAct->lParam);
732 return WDML_QS_ERROR;
735 if (!(pConv->instance->CBFflags & CBF_FAIL_ADVISES))
737 WDML_InvokeCallback(pConv->instance, XTYP_ADVSTOP, pXAct->wFmt, (HCONV)pConv,
738 pConv->hszTopic, pXAct->hszItem, 0, 0, 0);
741 WDML_RemoveLink(pConv->instance, (HCONV)pConv, WDML_SERVER_SIDE,
742 pXAct->hszItem, pXAct->wFmt);
745 WDML_PostAck(pConv, WDML_SERVER_SIDE, 0, FALSE, TRUE, pXAct->atom,
746 pXAct->lParam, WM_DDE_UNADVISE);
748 WDML_DecHSZ(pConv->instance, pXAct->hszItem);
750 return WDML_QS_HANDLED;
753 /******************************************************************
758 static WDML_XACT* WDML_ServerQueueExecute(WDML_CONV* pConv, LPARAM lParam)
762 pXAct = WDML_AllocTransaction(pConv->instance, WM_DDE_EXECUTE, 0, 0);
765 pXAct->hMem = (HGLOBAL)lParam;
770 /******************************************************************
771 * WDML_ServerHandleExecute
775 static WDML_QUEUE_STATE WDML_ServerHandleExecute(WDML_CONV* pConv, WDML_XACT* pXAct)
777 HDDEDATA hDdeData = DDE_FNOTPROCESSED;
778 BOOL fAck = FALSE, fBusy = FALSE;
780 if (!(pConv->instance->CBFflags & CBF_FAIL_EXECUTES))
782 LPVOID ptr = GlobalLock(pXAct->hMem);
786 hDdeData = DdeCreateDataHandle(0, ptr, GlobalSize(pXAct->hMem),
788 GlobalUnlock(pXAct->hMem);
790 hDdeData = WDML_InvokeCallback(pConv->instance, XTYP_EXECUTE, 0, (HCONV)pConv,
791 pConv->hszTopic, 0, hDdeData, 0L, 0L);
794 switch ((UINT)hDdeData)
803 WARN("Bad result code\n");
805 case DDE_FNOTPROCESSED:
808 WDML_PostAck(pConv, WDML_SERVER_SIDE, 0, fBusy, fAck, (UINT)pXAct->hMem, 0, 0);
810 return WDML_QS_HANDLED;
813 /******************************************************************
814 * WDML_ServerQueuePoke
818 static WDML_XACT* WDML_ServerQueuePoke(WDML_CONV* pConv, LPARAM lParam)
823 UnpackDDElParam(WM_DDE_POKE, lParam, &uiLo, &uiHi);
825 pXAct = WDML_AllocTransaction(pConv->instance, WM_DDE_POKE,
826 0, WDML_MakeHszFromAtom(pConv->instance, uiHi));
830 pXAct->hMem = (HGLOBAL)uiLo;
835 /******************************************************************
836 * WDML_ServerHandlePoke
840 static WDML_QUEUE_STATE WDML_ServerHandlePoke(WDML_CONV* pConv, WDML_XACT* pXAct)
844 BOOL fBusy = FALSE, fAck = FALSE;
846 pDdePoke = (DDEPOKE*)GlobalLock(pXAct->hMem);
849 return WDML_QS_ERROR;
852 if (!(pConv->instance->CBFflags & CBF_FAIL_POKES))
854 hDdeData = DdeCreateDataHandle(pConv->instance->instanceID, pDdePoke->Value,
855 GlobalSize(pXAct->hMem) - sizeof(DDEPOKE) + 1,
856 0, 0, pDdePoke->cfFormat, 0);
859 HDDEDATA hDdeDataOut;
861 hDdeDataOut = WDML_InvokeCallback(pConv->instance, XTYP_POKE, pDdePoke->cfFormat,
862 (HCONV)pConv, pConv->hszTopic, pXAct->hszItem,
864 switch ((ULONG_PTR)hDdeDataOut)
873 FIXME("Unsupported returned value %p\n", hDdeDataOut);
875 case DDE_FNOTPROCESSED:
878 DdeFreeDataHandle(hDdeData);
881 GlobalUnlock(pXAct->hMem);
885 GlobalFree(pXAct->hMem);
887 WDML_PostAck(pConv, WDML_SERVER_SIDE, 0, fBusy, fAck, pXAct->atom, pXAct->lParam, WM_DDE_POKE);
889 WDML_DecHSZ(pConv->instance, pXAct->hszItem);
891 return WDML_QS_HANDLED;
894 /******************************************************************
895 * WDML_ServerQueueTerminate
899 static WDML_XACT* WDML_ServerQueueTerminate(WDML_CONV* pConv, LPARAM lParam)
903 pXAct = WDML_AllocTransaction(pConv->instance, WM_DDE_TERMINATE, 0, 0);
907 /******************************************************************
908 * WDML_ServerHandleTerminate
912 static WDML_QUEUE_STATE WDML_ServerHandleTerminate(WDML_CONV* pConv, WDML_XACT* pXAct)
914 /* billx: two things to remove: the conv, and associated links.
915 * Respond with another WM_DDE_TERMINATE iMsg.
917 if (!(pConv->instance->CBFflags & CBF_SKIP_DISCONNECTS))
919 WDML_InvokeCallback(pConv->instance, XTYP_DISCONNECT, 0, (HCONV)pConv, 0, 0,
920 0, 0, (pConv->wStatus & ST_ISSELF) ? 1 : 0);
922 PostMessageA(pConv->hwndClient, WM_DDE_TERMINATE, (WPARAM)pConv->hwndServer, 0);
923 WDML_RemoveConv(pConv, WDML_SERVER_SIDE);
925 return WDML_QS_HANDLED;
928 /******************************************************************
933 WDML_QUEUE_STATE WDML_ServerHandle(WDML_CONV* pConv, WDML_XACT* pXAct)
935 WDML_QUEUE_STATE qs = WDML_QS_ERROR;
937 switch (pXAct->ddeMsg)
939 case WM_DDE_INITIATE:
940 FIXME("WM_DDE_INITIATE shouldn't be there!\n");
943 qs = WDML_ServerHandleRequest(pConv, pXAct);
947 qs = WDML_ServerHandleAdvise(pConv, pXAct);
950 case WM_DDE_UNADVISE:
951 qs = WDML_ServerHandleUnadvise(pConv, pXAct);
955 qs = WDML_ServerHandleExecute(pConv, pXAct);
959 qs = WDML_ServerHandlePoke(pConv, pXAct);
962 case WM_DDE_TERMINATE:
963 qs = WDML_ServerHandleTerminate(pConv, pXAct);
967 WARN("Shouldn't receive a ACK message (never requests them). Ignoring it\n");
971 FIXME("Unsupported message %d\n", pXAct->ddeMsg);
976 /******************************************************************
977 * WDML_ServerConvProc
981 static LRESULT CALLBACK WDML_ServerConvProc(HWND hwndServer, UINT iMsg, WPARAM wParam, LPARAM lParam)
983 WDML_INSTANCE* pInstance;
985 WDML_XACT* pXAct = NULL;
987 if (iMsg == WM_DESTROY)
989 EnterCriticalSection(&WDML_CritSect);
990 pConv = WDML_GetConvFromWnd(hwndServer);
991 if (pConv && !(pConv->wStatus & ST_TERMINATED))
993 WDML_ServerHandleTerminate(pConv, NULL);
995 LeaveCriticalSection(&WDML_CritSect);
997 if (iMsg < WM_DDE_FIRST || iMsg > WM_DDE_LAST)
999 return DefWindowProcA(hwndServer, iMsg, wParam, lParam);
1002 EnterCriticalSection(&WDML_CritSect);
1004 pInstance = WDML_GetInstanceFromWnd(hwndServer);
1005 pConv = WDML_GetConvFromWnd(hwndServer);
1009 ERR("Got a message (%x) on a not known conversation, dropping request\n", iMsg);
1012 if (pConv->hwndClient != WIN_GetFullHandle( (HWND)wParam ) || pConv->hwndServer != hwndServer)
1014 ERR("mismatch between C/S windows and converstation\n");
1017 if (pConv->instance != pInstance || pConv->instance == NULL)
1019 ERR("mismatch in instances\n");
1025 case WM_DDE_INITIATE:
1026 FIXME("WM_DDE_INITIATE message received!\n");
1029 case WM_DDE_REQUEST:
1030 pXAct = WDML_ServerQueueRequest(pConv, lParam);
1034 pXAct = WDML_ServerQueueAdvise(pConv, lParam);
1037 case WM_DDE_UNADVISE:
1038 pXAct = WDML_ServerQueueUnadvise(pConv, lParam);
1041 case WM_DDE_EXECUTE:
1042 pXAct = WDML_ServerQueueExecute(pConv, lParam);
1046 pXAct = WDML_ServerQueuePoke(pConv, lParam);
1049 case WM_DDE_TERMINATE:
1050 pXAct = WDML_ServerQueueTerminate(pConv, lParam);
1054 WARN("Shouldn't receive a ACK message (never requests them). Ignoring it\n");
1058 FIXME("Unsupported message %x\n", iMsg);
1063 pXAct->lParam = lParam;
1064 if (WDML_ServerHandle(pConv, pXAct) == WDML_QS_BLOCK)
1066 WDML_QueueTransaction(pConv, pXAct);
1070 WDML_FreeTransaction(pInstance, pXAct, TRUE);
1074 LeaveCriticalSection(&WDML_CritSect);