Sweden-Number/dlls/shell32/dde.c

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/*
* Shell DDE Handling
*
* Copyright 2004 Robert Shearman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "ddeml.h"
#include "shellapi.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
/* String handles */
static HSZ hszProgmanTopic;
static HSZ hszProgmanService;
static HSZ hszAsterisk;
static HSZ hszShell;
static HSZ hszAppProperties;
static HSZ hszFolders;
/* DDE Instance ID */
static DWORD dwDDEInst;
static inline BOOL Dde_OnConnect(HSZ hszTopic, HSZ hszService)
{
if ((hszTopic == hszProgmanTopic) && (hszService == hszProgmanService))
return TRUE;
if ((hszTopic == hszProgmanTopic) && (hszService == hszAppProperties))
return TRUE;
if ((hszTopic == hszShell) && (hszService == hszFolders))
return TRUE;
if ((hszTopic == hszShell) && (hszService == hszAppProperties))
return TRUE;
return FALSE;
}
static inline void Dde_OnConnectConfirm(HCONV hconv, HSZ hszTopic, HSZ hszService)
{
FIXME("stub\n");
}
static inline BOOL Dde_OnWildConnect(HSZ hszTopic, HSZ hszService)
{
FIXME("stub\n");
return FALSE;
}
static inline HDDEDATA Dde_OnRequest(UINT uFmt, HCONV hconv, HSZ hszTopic,
HSZ hszItem)
{
FIXME("stub\n");
return NULL;
}
static inline DWORD Dde_OnExecute(HCONV hconv, HSZ hszTopic, HDDEDATA hdata)
{
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BYTE * pszCommand;
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pszCommand = DdeAccessData(hdata, NULL);
if (!pszCommand)
return DDE_FNOTPROCESSED;
FIXME("stub: %s\n", pszCommand);
DdeUnaccessData(hdata);
return DDE_FNOTPROCESSED;
}
static inline void Dde_OnDisconnect(HCONV hconv)
{
FIXME("stub\n");
}
static HDDEDATA CALLBACK DdeCallback(
UINT uType,
UINT uFmt,
HCONV hconv,
HSZ hsz1,
HSZ hsz2,
HDDEDATA hdata,
ULONG_PTR dwData1,
ULONG_PTR dwData2)
{
switch (uType)
{
case XTYP_CONNECT:
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return (HDDEDATA)(DWORD_PTR)Dde_OnConnect(hsz1, hsz2);
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case XTYP_CONNECT_CONFIRM:
Dde_OnConnectConfirm(hconv, hsz1, hsz2);
return NULL;
case XTYP_WILDCONNECT:
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return (HDDEDATA)(DWORD_PTR)Dde_OnWildConnect(hsz1, hsz2);
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case XTYP_REQUEST:
return (HDDEDATA)Dde_OnRequest(uFmt, hconv, hsz1, hsz2);
case XTYP_EXECUTE:
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return (HDDEDATA)(DWORD_PTR)Dde_OnExecute(hconv, hsz1, hdata);
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case XTYP_DISCONNECT:
Dde_OnDisconnect(hconv);
return NULL;
default:
return NULL;
}
}
/*************************************************************************
* ShellDDEInit (SHELL32.@)
*
* Registers the Shell DDE services with the system so that applications
* can use them.
*
* PARAMS
* bInit [I] TRUE to initialize the services, FALSE to uninitalize.
*
* RETURNS
* Nothing.
*/
void WINAPI ShellDDEInit(BOOL bInit)
{
TRACE("bInit = %s\n", bInit ? "TRUE" : "FALSE");
if (bInit)
{
static const WCHAR wszProgman[] = {'P','r','o','g','m','a','n',0};
static const WCHAR wszAsterisk[] = {'*',0};
static const WCHAR wszShell[] = {'S','h','e','l','l',0};
static const WCHAR wszAppProperties[] =
{'A','p','p','P','r','o','p','e','r','t','i','e','s',0};
static const WCHAR wszFolders[] = {'F','o','l','d','e','r','s',0};
DdeInitializeW(&dwDDEInst, DdeCallback, CBF_FAIL_ADVISES | CBF_FAIL_POKES, 0);
hszProgmanTopic = DdeCreateStringHandleW(dwDDEInst, wszProgman, CP_WINUNICODE);
hszProgmanService = DdeCreateStringHandleW(dwDDEInst, wszProgman, CP_WINUNICODE);
hszAsterisk = DdeCreateStringHandleW(dwDDEInst, wszAsterisk, CP_WINUNICODE);
hszShell = DdeCreateStringHandleW(dwDDEInst, wszShell, CP_WINUNICODE);
hszAppProperties = DdeCreateStringHandleW(dwDDEInst, wszAppProperties, CP_WINUNICODE);
hszFolders = DdeCreateStringHandleW(dwDDEInst, wszFolders, CP_WINUNICODE);
DdeNameService(dwDDEInst, hszFolders, 0, DNS_REGISTER);
DdeNameService(dwDDEInst, hszProgmanService, 0, DNS_REGISTER);
DdeNameService(dwDDEInst, hszShell, 0, DNS_REGISTER);
}
else
{
/* unregister all services */
DdeNameService(dwDDEInst, 0, 0, DNS_UNREGISTER);
DdeFreeStringHandle(dwDDEInst, hszFolders);
DdeFreeStringHandle(dwDDEInst, hszAppProperties);
DdeFreeStringHandle(dwDDEInst, hszShell);
DdeFreeStringHandle(dwDDEInst, hszAsterisk);
DdeFreeStringHandle(dwDDEInst, hszProgmanService);
DdeFreeStringHandle(dwDDEInst, hszProgmanTopic);
DdeUninitialize(dwDDEInst);
}
}