1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _DDEMLIMP_HXX
#define _DDEMLIMP_HXX
#include <string.h>
#include <ctype.h>
#include "ddemlos2.h"
#define DDEMLSERVICETABLE_INISIZE 8
// Bezeichner der systemglobalen DDEML-Tabelle
#define DDEMLDATA "\\SHAREMEM\\OV_DDEML.DAT"
// vorlaeufig konstante Tabellengroessen
#define CONVTABLECOUNT 2048 /* max count conversations */
#define TRANSTABLECOUNT 2048 /* transactions */
#define DDEMLAPPCOUNT 16 /* max count simultaniously running */
/* ddeml (StarDivision) applications */
#define ST_TERMACKREC 0x8000 /* wird im Conversationhandle gesetzt, */
/* wenn die Partner-App DDE_TERMINATE */
/* bestaetigt hat */
#define XST_TIMEOUT 17 /* Trans. hat Timeout ueberschritten */
#define XST_WAITING_ACK 18 /* Trans. wartet auf Acknowledge */
#define XST_WAITING_ADVDATA 19 /* Trans. wartet auf Advise-Daten */
#define XST_WAITING_REQDATA 20 /* Trans. wartet auf angeforderte Daten */
/* User-Flags DDESTRUCT */
#define IMP_HDATAAPPOWNED 0x8000
#define CONVLISTNAME "DdeConvListId"
#define XTYPF_MASK (XTYPF_NOBLOCK | XTYPF_NODATA | XTYPF_ACKREQ)
//
// DDEML-Messages; werden nur an registrierte DDEML-Apps gesendet
//
// Msg: WM_DDEML_REGISTER
// Empfaenger: wird allen DDEML-Applikationen nach Registrierung
// eines neuen Services gesendet
// Params: nPar1: hszBaseServName
// nPar2: hszInstServName
#define WM_DDEML_REGISTER WM_USER+1
// Msg: WM_DDEML_UNREGISTER
// Empfaenger: wird allen DDEML-Applikationen nach Deregistrierung
// eines Services gesendet
// Params: nPar1: hszBaseServName
// nPar2: hszInstServName
#define WM_DDEML_UNREGISTER WM_USER+2
//
//
//
struct ImpHCONV
{
HCONV hConvPartner;
HSZ hszPartner; // Name of partner application
HSZ hszServiceReq; // Service name
HSZ hszTopic; // Topic name
USHORT nStatus; // ST_* of conversation
HCONVLIST hConvList; // ConvListId , wenn in ConvList
CONVCONTEXT aConvContext; // Conversation context
// private
HWND hWndThis; // 0 == Handle not used
HWND hWndPartner;
PID pidOwner; // PID des DdeManagers, der
// den Conv-Handle erzeugt hat.
USHORT nPrevHCONV; // 0 == no previous hConv or not in list
USHORT nNextHCONV; // 0 == no next hconv or not in list
};
struct Transaction
{
HSZ hszItem; // Item name
USHORT nFormat; // Data format
USHORT nType; // Transaction type (XTYP_*)
// XTYP_ADVREQ [|XTYPF_NODATA] == Advise-Loop
// [|XTYPF_ACKREQ]
// XTYP_EXECUTE == laufendes Execute
// XTYP_REQUEST
// XTYP_POKE
// XTYP_ADVSTOP
// XTYP_ADVSTART
USHORT nConvst; // Conversation state (XST_*)
// 0 == idle
// XST_REQSENT (fuer XTYP_ADVREQ)
// XST_TIMEOUT (fuer alle Typen!)
// XST_WAITING (alle ausser XTYP_ADVREQ)
USHORT nLastError; // last err in transaction
ULONG nUser; // Userhandle
// private
HCONV hConvOwner; // 0 == Transaction not used
};
struct ImpWndProcParams
{
HWND hWndReceiver;
MPARAM nPar1;
MPARAM nPar2;
};
struct ImpService
{
HSZ hBaseServName; // Basis-Name des Service
HSZ hInstServName; // Basis-Name + DDEML-Server-HWND der App
};
class ImpDdeMgr;
// Daten eines Conversation-Windows
struct ImpConvWndData
{
ImpDdeMgr* pThis;
USHORT nRefCount; // Zahl Conversations auf diesem Window
};
// systemglobale Daten der Library (liegen in named shared memory)
struct ImpDdeMgrData
{
ULONG nTotalSize;
ULONG nOffsAppTable;
ULONG nOffsConvTable;
ULONG nOffsTransTable;
USHORT nMaxAppCount;
USHORT nMaxConvCount;
USHORT nMaxTransCount;
USHORT nLastErr;
USHORT nReserved;
USHORT nCurTransCount;
USHORT nCurConvCount;
HWND aAppTable[ 1 ]; // fuer Broadcast-Messages
ImpHCONV aConvTable[ 1 ];
Transaction aTransTable[ 1 ];
};
class ImpDdeMgr
{
friend MRESULT EXPENTRY ConvWndProc(HWND hWnd,ULONG nMsg,MPARAM nPar1,MPARAM nPar2);
friend MRESULT EXPENTRY ServerWndProc(HWND hWnd,ULONG nMsg,MPARAM nPar1,MPARAM nPar2);
friend void ImpWriteDdeStatus(char*,char*);
friend void ImpAddHSZ( HSZ, String& );
static PSZ AllocAtomName( ATOM hString, ULONG& rBufLen );
static PDDESTRUCT MakeDDEObject( HWND hwnd, ATOM hItemName,
USHORT fsStatus, USHORT usFormat, PVOID pabData, ULONG usDataLen );
static APIRET AllocNamedSharedMem( PPVOID ppBaseAddress, PSZ pName,
ULONG nElementSize, ULONG nElementCount );
HWND hWndServer;
PID pidThis;
PFNCALLBACK pCallback;
ULONG nTransactFilter;
CONVCONTEXT aDefaultContext;
ImpDdeMgrData* pData;
ImpService* pServices;
USHORT nServiceCount;
ImpHCONV* pConvTable; // liegt in pData (nicht deleten!)
Transaction* pTransTable; // liegt in pData (nicht deleten!)
HWND* pAppTable; // liegt in pData (nicht deleten!)
static ImpHCONV* GetConvTable( ImpDdeMgrData* );
static Transaction* GetTransTable( ImpDdeMgrData* );
static HWND* GetAppTable( ImpDdeMgrData* );
static HWND NextFrameWin( HENUM hEnum );
void CreateServerWnd();
void DestroyServerWnd();
HWND CreateConversationWnd();
// Fktn. duerfen nur fuer HCONVs aufgerufen werden, die
// in der eigenen Applikation erzeugt wurden
static void DestroyConversationWnd( HWND hWndConv );
static USHORT GetConversationWndRefCount( HWND hWndConv );
static USHORT IncConversationWndRefCount( HWND hWndConv );
MRESULT SrvWndProc(HWND hWnd,ULONG nMsg,MPARAM nPar1,MPARAM nPar2);
MRESULT ConvWndProc(HWND hWnd,ULONG nMsg,MPARAM nPar1,MPARAM nPar2);
void RegisterDDEMLApp();
void UnregisterDDEMLApp();
void CleanUp();
ImpDdeMgrData* InitAll();
static BOOL MyWinDdePostMsg( HWND, HWND, USHORT, PDDESTRUCT, ULONG );
void MyInitiateDde( HWND hWndServer, HWND hWndClient,
HSZ hszService, HSZ hszTopic, CONVCONTEXT* pCC );
DDEINIT* CreateDDEInitData( HWND hWndDest, HSZ hszService,
HSZ hszTopic, CONVCONTEXT* pCC );
// wenn pDDEData==0, muss pCC gesetzt sein
HCONV ConnectWithClient( HWND hWndClient, HSZ hszPartner,
HSZ hszService, HSZ hszTopic, BOOL bSameInst,
DDEINIT* pDDEData, CONVCONTEXT* pCC = 0);
HCONV CheckIncoming( ImpWndProcParams*, ULONG nTransMask,
HSZ& rhszItem );
// fuer Serverbetrieb. Ruft Callback-Fkt fuer alle offenen Advises
// auf, deren Owner der uebergebene HCONV ist.
// bFreeTransactions==TRUE: loescht die Transaktionen
// gibt Anzahl der getrennten Transaktionen zurueck
USHORT SendUnadvises( HCONV hConv,
USHORT nFormat, // 0==alle
BOOL bFreeTransactions );
BOOL WaitTransState(
Transaction* pTrans, ULONG nTransId,
USHORT nNewState,
ULONG nTimeout );
// DDEML ruft Callback mit XTYP_CONNECT-Transaction nur auf,
// wenn die App den angeforderten Service registriert hat
// Standardeinstellung: TRUE
BOOL bServFilterOn;
// Fehlercode muss noch systemglobal werden (Atom o. ae.)
static USHORT nLastErrInstance; // wenn 0, dann gilt globaler Fehlercode
static ImpDdeMgrData* AccessMgrData();
static HCONV CreateConvHandle( ImpDdeMgrData* pBase,
PID pidOwner,
HWND hWndThis, HWND hWndPartner,
HSZ hszPartner, HSZ hszServiceReq, HSZ hszTopic,
HCONV hPrevHCONV = 0 );
static HCONV IsConvHandleAvailable( ImpDdeMgrData* pBase );
static HCONV GetConvHandle( ImpDdeMgrData* pBase,
HWND hWndThis, HWND hWndPartner );
static void FreeConvHandle( ImpDdeMgrData*, HCONV,
BOOL bDestroyHWndThis = TRUE );
static ULONG CreateTransaction( ImpDdeMgrData* pBase,
HCONV hOwner, HSZ hszItem, USHORT nFormat,
USHORT nTransactionType );
static ULONG GetTransaction( ImpDdeMgrData* pBase,
HCONV hOwner, HSZ hszItem, USHORT nFormat );
static void FreeTransaction( ImpDdeMgrData*, ULONG nTransId );
BOOL DisconnectAll();
// Transaktionen muessen _vor_ den Konversationen geloescht werden!
static void FreeTransactions( ImpDdeMgrData*, HWND hWndThis,
HWND hWndPartner );
static void FreeTransactions( ImpDdeMgrData*, HCONV hConvOwner );
static void FreeConversations( ImpDdeMgrData*,HWND hWndThis,
HWND hWndPartner );
ImpService* GetService( HSZ hszService );
ImpService* PutService( HSZ hszService );
void BroadcastService( ImpService*, BOOL bRegistered );
// rh: Startposition(!) & gefundener Handle
static ImpHCONV* GetFirstServer( ImpDdeMgrData*, HCONVLIST, HCONV& rh);
static ImpHCONV* GetLastServer( ImpDdeMgrData*, HCONVLIST, HCONV& );
static BOOL CheckConvListId( HCONVLIST hConvListId );
BOOL IsSameInstance( HWND hWnd );
HSZ GetAppName( HWND hWnd );
// Transactions
MRESULT DdeAck( ImpWndProcParams* pParams );
MRESULT DdeAdvise( ImpWndProcParams* pParams );
MRESULT DdeData( ImpWndProcParams* pParams );
MRESULT DdeExecute( ImpWndProcParams* pParams );
MRESULT DdeInitiate( ImpWndProcParams* pParams );
MRESULT DdeInitiateAck( ImpWndProcParams* pParams );
MRESULT DdePoke( ImpWndProcParams* pParams );
MRESULT DdeRequest( ImpWndProcParams* pParams );
MRESULT DdeTerminate( ImpWndProcParams* pParams );
MRESULT DdeUnadvise( ImpWndProcParams* pParams );
MRESULT DdeRegister( ImpWndProcParams* pParams );
MRESULT DdeUnregister( ImpWndProcParams* pParams );
MRESULT DdeTimeout( ImpWndProcParams* pParams );
HDDEDATA Callback(
USHORT nTransactionType,
USHORT nClipboardFormat,
HCONV hConversationHandle,
HSZ hsz1,
HSZ hsz2,
HDDEDATA hData,
ULONG nData1,
ULONG nData2 );
HCONV DdeConnectImp( HSZ hszService,HSZ hszTopic,CONVCONTEXT* pCC);
// connection data
HCONV hCurConv; // wird im DdeInitiateAck gesetzt
HCONVLIST hCurListId; // fuer DdeConnectList
USHORT nPrevConv; // .... "" ....
BOOL bListConnect;
// synchr. transaction data
BOOL bInSyncTrans;
ULONG nSyncTransId;
HDDEDATA hSyncResponseData;
ULONG nSyncResponseMsg; // WM_DDE_ACK, WM_DDE_DATA, WM_TIMER
// TRUE==nach Ende der synchronen Transaktion eine evtl. benutzte
// asynchrone Transaktion beenden (typisch synchroner Request auf
// Advise-Loop)
BOOL bSyncAbandonTrans;
public:
ImpDdeMgr();
~ImpDdeMgr();
USHORT DdeInitialize( PFNCALLBACK pCallbackProc, ULONG nTransactionFilter );
USHORT DdeGetLastError();
HCONV DdeConnect( HSZ hszService, HSZ hszTopic, CONVCONTEXT* );
HCONVLIST DdeConnectList( HSZ hszService, HSZ hszTopic,
HCONVLIST hConvList, CONVCONTEXT* );
static BOOL DdeDisconnect( HCONV hConv );
static BOOL DdeDisconnectList( HCONVLIST hConvList );
static HCONV DdeReconnect(HCONV hConv);
static HCONV DdeQueryNextServer(HCONVLIST hConvList, HCONV hConvPrev);
static USHORT DdeQueryConvInfo(HCONV hConv, ULONG idTrans,CONVINFO* pCI);
static BOOL DdeSetUserHandle(HCONV hConv, ULONG id, ULONG hUser);
BOOL DdeAbandonTransaction( HCONV hConv, ULONG idTransaction);
BOOL DdePostAdvise( HSZ hszTopic, HSZ hszItem);
BOOL DdeEnableCallback( HCONV hConv, USHORT wCmd);
HDDEDATA DdeNameService( HSZ hszService, USHORT afCmd);
static HDDEDATA DdeClientTransaction(void* pData, ULONG cbData,
HCONV hConv, HSZ hszItem, USHORT wFmt, USHORT wType,
ULONG dwTimeout, ULONG* pdwResult);
// Data handles
HDDEDATA DdeCreateDataHandle( void* pSrc, ULONG cb, ULONG cbOff,
HSZ hszItem, USHORT wFmt, USHORT afCmd);
static BYTE* DdeAccessData(HDDEDATA hData, ULONG* pcbDataSize);
static BOOL DdeUnaccessData(HDDEDATA hData);
static BOOL DdeFreeDataHandle(HDDEDATA hData);
static HDDEDATA DdeAddData(HDDEDATA hData,void* pSrc,ULONG cb,ULONG cbOff);
static ULONG DdeGetData(HDDEDATA hData,void* pDst,ULONG cbMax,ULONG cbOff);
// String handles
static HSZ DdeCreateStringHandle( PSZ pStr, int iCodePage);
static ULONG DdeQueryString(HSZ hsz,PSZ pStr,ULONG cchMax,int iCPage);
static BOOL DdeFreeStringHandle( HSZ hsz );
static BOOL DdeKeepStringHandle( HSZ hsz );
static int DdeCmpStringHandles(HSZ hsz1, HSZ hsz2);
// mit dieser Funktion kann geprueft werden, ob eine
// Applikation schon eine DDEML-Instanz angelegt hat.
// Die aktuelle Impl. unterstuetzt nur eine DDEML-Instanz
// pro Applikation (wg. synchroner Transaktionen)
static ImpDdeMgr* GetImpDdeMgrInstance( HWND hWnd );
// gibt TRUE zurueck, wenn mind. ein lebender HCONV
// von diesem DdeMgr erzeugt wurde
BOOL OwnsConversationHandles();
};
// static
inline ImpHCONV* ImpDdeMgr::GetConvTable( ImpDdeMgrData* pData )
{
ImpHCONV* pRet;
if( pData )
pRet = (ImpHCONV*)((ULONG)(pData) + pData->nOffsConvTable);
else
pRet = 0;
return pRet;
}
// static
inline Transaction* ImpDdeMgr::GetTransTable( ImpDdeMgrData* pData )
{
Transaction* pRet;
if( pData )
pRet = (Transaction*)((ULONG)(pData) + pData->nOffsTransTable);
else
pRet = 0;
return pRet;
}
// static
inline HWND* ImpDdeMgr::GetAppTable( ImpDdeMgrData* pData )
{
HWND* pRet;
if( pData )
pRet = (HWND*)((ULONG)(pData) + pData->nOffsAppTable);
else
pRet = 0;
return pRet;
}
#endif
|