203 lines
6.5 KiB
C
203 lines
6.5 KiB
C
/*
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* Shell DDE Handling
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*
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* Copyright 2004 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "ddeml.h"
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#include "shellapi.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(shell);
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/* String handles */
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static HSZ hszProgmanTopic;
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static HSZ hszProgmanService;
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static HSZ hszAsterisk;
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static HSZ hszShell;
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static HSZ hszAppProperties;
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static HSZ hszFolders;
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static HSZ hszGroups;
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/* DDE Instance ID */
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static DWORD dwDDEInst;
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static const char *debugstr_hsz( HSZ hsz )
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{
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WCHAR buffer[256];
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if (!DdeQueryStringW( dwDDEInst, hsz, buffer, sizeof(buffer)/sizeof(WCHAR), CP_WINUNICODE ))
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return "<unknown>";
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return debugstr_w( buffer );
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}
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static inline BOOL Dde_OnConnect(HSZ hszTopic, HSZ hszService)
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{
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if ((hszTopic == hszProgmanTopic) && (hszService == hszProgmanService))
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return TRUE;
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if ((hszTopic == hszProgmanTopic) && (hszService == hszAppProperties))
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return TRUE;
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if ((hszTopic == hszShell) && (hszService == hszFolders))
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return TRUE;
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if ((hszTopic == hszShell) && (hszService == hszAppProperties))
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return TRUE;
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return FALSE;
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}
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static inline void Dde_OnConnectConfirm(HCONV hconv, HSZ hszTopic, HSZ hszService)
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{
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TRACE( "%p %s %s\n", hconv, debugstr_hsz(hszTopic), debugstr_hsz(hszService) );
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}
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static inline BOOL Dde_OnWildConnect(HSZ hszTopic, HSZ hszService)
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{
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FIXME("stub\n");
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return FALSE;
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}
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static inline HDDEDATA Dde_OnRequest(UINT uFmt, HCONV hconv, HSZ hszTopic,
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HSZ hszItem)
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{
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if (hszTopic == hszProgmanTopic && hszItem == hszGroups && uFmt == CF_TEXT)
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{
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static BYTE groups_data[] = "Accessories\r\nStartup\r\n";
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FIXME( "returning fake program groups list\n" );
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return DdeCreateDataHandle( dwDDEInst, groups_data, sizeof(groups_data), 0, hszGroups, uFmt, 0 );
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}
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else if (hszTopic == hszProgmanTopic && hszItem == hszProgmanService && uFmt == CF_TEXT)
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{
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static BYTE groups_data[] = "\r\n";
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FIXME( "returning empty groups list\n" );
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/* This is a workaround for an application which expects some data
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* and cannot handle NULL. */
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return DdeCreateDataHandle( dwDDEInst, groups_data, sizeof(groups_data), 0, hszProgmanService, uFmt, 0 );
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}
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FIXME( "%u %p %s %s: stub\n", uFmt, hconv, debugstr_hsz(hszTopic), debugstr_hsz(hszItem) );
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return NULL;
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}
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static inline DWORD Dde_OnExecute(HCONV hconv, HSZ hszTopic, HDDEDATA hdata)
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{
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WCHAR * pszCommand;
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pszCommand = (WCHAR *)DdeAccessData(hdata, NULL);
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if (!pszCommand)
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return DDE_FNOTPROCESSED;
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FIXME("stub: %s %s\n", debugstr_hsz(hszTopic), debugstr_w(pszCommand));
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DdeUnaccessData(hdata);
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return DDE_FNOTPROCESSED;
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}
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static inline void Dde_OnDisconnect(HCONV hconv)
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{
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TRACE( "%p\n", hconv );
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}
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static HDDEDATA CALLBACK DdeCallback(
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UINT uType,
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UINT uFmt,
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HCONV hconv,
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HSZ hsz1,
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HSZ hsz2,
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HDDEDATA hdata,
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ULONG_PTR dwData1,
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ULONG_PTR dwData2)
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{
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switch (uType)
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{
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case XTYP_CONNECT:
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return (HDDEDATA)(DWORD_PTR)Dde_OnConnect(hsz1, hsz2);
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case XTYP_CONNECT_CONFIRM:
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Dde_OnConnectConfirm(hconv, hsz1, hsz2);
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return NULL;
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case XTYP_WILDCONNECT:
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return (HDDEDATA)(DWORD_PTR)Dde_OnWildConnect(hsz1, hsz2);
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case XTYP_REQUEST:
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return Dde_OnRequest(uFmt, hconv, hsz1, hsz2);
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case XTYP_EXECUTE:
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return (HDDEDATA)(DWORD_PTR)Dde_OnExecute(hconv, hsz1, hdata);
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case XTYP_DISCONNECT:
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Dde_OnDisconnect(hconv);
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return NULL;
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default:
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return NULL;
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}
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}
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/*************************************************************************
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* ShellDDEInit (SHELL32.@)
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*
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* Registers the Shell DDE services with the system so that applications
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* can use them.
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*
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* PARAMS
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* bInit [I] TRUE to initialize the services, FALSE to uninitialize.
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*
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* RETURNS
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* Nothing.
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*/
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void WINAPI ShellDDEInit(BOOL bInit)
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{
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TRACE("bInit = %s\n", bInit ? "TRUE" : "FALSE");
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if (bInit)
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{
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static const WCHAR wszProgman[] = {'P','r','o','g','m','a','n',0};
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static const WCHAR wszAsterisk[] = {'*',0};
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static const WCHAR wszShell[] = {'S','h','e','l','l',0};
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static const WCHAR wszAppProperties[] =
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{'A','p','p','P','r','o','p','e','r','t','i','e','s',0};
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static const WCHAR wszFolders[] = {'F','o','l','d','e','r','s',0};
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static const WCHAR wszGroups[] = {'G','r','o','u','p','s',0};
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DdeInitializeW(&dwDDEInst, DdeCallback, CBF_FAIL_ADVISES | CBF_FAIL_POKES, 0);
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hszProgmanTopic = DdeCreateStringHandleW(dwDDEInst, wszProgman, CP_WINUNICODE);
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hszProgmanService = DdeCreateStringHandleW(dwDDEInst, wszProgman, CP_WINUNICODE);
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hszAsterisk = DdeCreateStringHandleW(dwDDEInst, wszAsterisk, CP_WINUNICODE);
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hszShell = DdeCreateStringHandleW(dwDDEInst, wszShell, CP_WINUNICODE);
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hszAppProperties = DdeCreateStringHandleW(dwDDEInst, wszAppProperties, CP_WINUNICODE);
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hszFolders = DdeCreateStringHandleW(dwDDEInst, wszFolders, CP_WINUNICODE);
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hszGroups = DdeCreateStringHandleW(dwDDEInst, wszGroups, CP_WINUNICODE);
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DdeNameService(dwDDEInst, hszFolders, 0, DNS_REGISTER);
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DdeNameService(dwDDEInst, hszProgmanService, 0, DNS_REGISTER);
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DdeNameService(dwDDEInst, hszShell, 0, DNS_REGISTER);
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}
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else
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{
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/* unregister all services */
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DdeNameService(dwDDEInst, 0, 0, DNS_UNREGISTER);
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DdeFreeStringHandle(dwDDEInst, hszFolders);
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DdeFreeStringHandle(dwDDEInst, hszAppProperties);
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DdeFreeStringHandle(dwDDEInst, hszShell);
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DdeFreeStringHandle(dwDDEInst, hszAsterisk);
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DdeFreeStringHandle(dwDDEInst, hszProgmanService);
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DdeFreeStringHandle(dwDDEInst, hszProgmanTopic);
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DdeUninitialize(dwDDEInst);
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}
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}
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