/** BEGIN COPYRIGHT BLOCK * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission. * Copyright (C) 2005 Red Hat, Inc. * All rights reserved. * END COPYRIGHT BLOCK **/ /**************************************************************************** PROGRAM: pmddeml.c PURPOSE: DDEML interface with ProgMan ****************************************************************************/ #include // required for all Windows applications #include // required for DDEML #include // required for strcpy and strlen #include "nt/ntos.h" // specific to this program BOOL PMDDEML_SendShellCommand (DWORD idInst, LPSTR lpCommand); HDDEDATA CALLBACK PMDDEML_DdeCallback( UINT uType, // transaction type UINT uFmt, // clipboard data format HCONV hconv, // handle of the conversation HSZ hsz1, // handle of a string HSZ hsz2, // handle of a string HDDEDATA hdata,// handle of a global memory object DWORD dwData1, // transaction-specific data DWORD dwData2 // transaction-specific data ); /**************************************************************************** FUNCTION: PMDDEML_Open() PURPOSE: Open PMDDEML interface PARAMETERS: RETURNS: DWORD handle used in subsequent calls ****************************************************************************/ DWORD PMDDEML_Open ( void ) { DWORD idInst = 0L; // instance identifier // register this app with the DDEML if (DdeInitialize(&idInst, // receives instance ID (PFNCALLBACK)PMDDEML_DdeCallback, // address of callback function APPCMD_CLIENTONLY, // this is a client app 0L)) // reserved return 0; return idInst; } /**************************************************************************** FUNCTION: PMDDEML_Close() PURPOSE: Closes PMDDEML interface PARAMETERS: DWORD idInst handle returned by PMDDEML_Open RETURNS: TRUE, if successful ****************************************************************************/ BOOL PMDDEML_Close ( DWORD idInst ) { // free all DDEML resources associated with this app return DdeUninitialize ( idInst ); } /**************************************************************************** FUNCTION: PMDDEML_CreateProgramManagerGroup() PURPOSE: Creates a program group PARAMETERS: DWORD idInst handle returned by PMDDEML_Open LPCTSTR lpszGroupNamee name of group RETURNS: TRUE, if successful ****************************************************************************/ BOOL PMDDEML_CreateProgramManagerGroup ( DWORD idInst, LPCTSTR lpszGroupName ) { char szDDEMsg[256]; // instance identifier if ( lpszGroupName == NULL ) return FALSE; sprintf ( szDDEMsg, "[CreateGroup(%s)]", lpszGroupName ); if ( !PMDDEML_SendShellCommand(idInst, (LPSTR)szDDEMsg ) ) return FALSE; return TRUE; } /**************************************************************************** FUNCTION: PMDDEML_DeleteProgramManagerGroup() PURPOSE: Deletes a program group PARAMETERS: DWORD idInst handle returned by PMDDEML_Open LPCTSTR lpszGroupNamee name of group RETURNS: TRUE, if successful ****************************************************************************/ BOOL PMDDEML_DeleteProgramManagerGroup ( DWORD idInst, LPCTSTR lpszGroupName ) { char szDDEMsg[256]; // instance identifier if ( lpszGroupName == NULL ) return FALSE; sprintf ( szDDEMsg, "[DeleteGroup(%s)]", lpszGroupName ); if ( !PMDDEML_SendShellCommand(idInst, (LPSTR)szDDEMsg ) ) return FALSE; return TRUE; } BOOL PMDDEML_DeleteProgramCommonManagerGroup ( DWORD idInst, LPCTSTR lpszGroupName ) { char szDDEMsg[256]; // instance identifier if ( lpszGroupName == NULL ) return FALSE; sprintf ( szDDEMsg, "[DeleteGroup(%s,1)]", lpszGroupName ); if ( !PMDDEML_SendShellCommand(idInst, (LPSTR)szDDEMsg ) ) return FALSE; return TRUE; } /**************************************************************************** FUNCTION: PMDDEML_ShowProgramManagerGroup() PURPOSE: Deletes a program group PARAMETERS: DWORD idInst handle returned by PMDDEML_Open LPCTSTR lpszGroupNamee name of group RETURNS: TRUE, if successful ****************************************************************************/ BOOL PMDDEML_ShowProgramManagerGroup ( DWORD idInst, LPCTSTR lpszGroupName ) { char szDDEMsg[256]; // instance identifier if ( lpszGroupName == NULL ) return FALSE; sprintf ( szDDEMsg, "[ShowGroup(%s,1)]", lpszGroupName ); if ( !PMDDEML_SendShellCommand(idInst, (LPSTR)szDDEMsg ) ) return FALSE; return TRUE; } BOOL PMDDEML_ShowProgramManagerCommonGroup ( DWORD idInst, LPCTSTR lpszGroupName ) { char szDDEMsg[256]; // instance identifier if ( lpszGroupName == NULL ) return FALSE; sprintf ( szDDEMsg, "[ShowGroup(%s,1,1)]", lpszGroupName ); if ( !PMDDEML_SendShellCommand(idInst, (LPSTR)szDDEMsg ) ) return FALSE; return TRUE; } /**************************************************************************** FUNCTION: PMDDEML_AddIconToProgramManagerGroup() PURPOSE: Deletes icon a program group PARAMETERS: DWORD idInst handle returned by PMDDEML_Open LPCTSTR lpszCmdLine title of icon in group LPCTSTR lpszTitle title of icon in group LPCTSTR lpszWorkingDir title of icon in group BOOL bReplace True, if icon should be replaced RETURNS: TRUE, if successful ****************************************************************************/ BOOL PMDDEML_AddIconToProgramManagerGroup ( DWORD idInst, LPCTSTR lpszCmdLine, LPCTSTR lpszTitle, LPCTSTR lpszIconPath, LPCTSTR lpszWorkingDir, BOOL bReplace ) { char szDDEMsg[256]; // instance identifier if ( ( lpszCmdLine == NULL ) || ( lpszTitle == NULL ) || ( lpszWorkingDir == NULL ) ) return FALSE; if ( bReplace ) { sprintf ( szDDEMsg, "[ReplaceItem(%s)]", lpszTitle ); PMDDEML_SendShellCommand(idInst, (LPSTR)szDDEMsg ); } sprintf ( szDDEMsg, "[AddItem(%s,%s,%s,,,,%s)]", lpszCmdLine, lpszTitle, lpszIconPath, lpszWorkingDir ); if ( !PMDDEML_SendShellCommand(idInst, (LPSTR)szDDEMsg ) ) return FALSE; return TRUE; } /**************************************************************************** FUNCTION: PMDDEML_DeleteIconInProgramManagerGroup() PURPOSE: Deletes icon a program group PARAMETERS: DWORD idInst handle returned by PMDDEML_Open LPCTSTR lpszTitle title of icon in group RETURNS: TRUE, if successful ****************************************************************************/ BOOL PMDDEML_DeleteIconInProgramManagerGroup ( DWORD idInst, LPCTSTR lpszTitle ) { char szDDEMsg[256]; // instance identifier if ( lpszTitle == NULL ) return FALSE; sprintf ( szDDEMsg, "[DeleteItem(%s)]", lpszTitle ); if ( !PMDDEML_SendShellCommand(idInst, (LPSTR)szDDEMsg ) ) return FALSE; return TRUE; } /**************************************************************************** FUNCTION: PMDDEML_DdeCallback() PURPOSE: Processes messages for DDEML conversation PARAMETERS: UINT uType, // transaction type UINT uFmt, // clipboard data format HCONV hconv, // handle of the conversation HSZ hsz1, // handle of a string HSZ hsz2, // handle of a string HDDEDATA hdata,// handle of a global memory object DWORD dwData1, // transaction-specific data DWORD dwData2 // transaction-specific data RETURNS: HDDEDATA ****************************************************************************/ HDDEDATA CALLBACK PMDDEML_DdeCallback( UINT uType, // transaction type UINT uFmt, // clipboard data format HCONV hconv, // handle of the conversation HSZ hsz1, // handle of a string HSZ hsz2, // handle of a string HDDEDATA hdata,// handle of a global memory object DWORD dwData1, // transaction-specific data DWORD dwData2 // transaction-specific data ) { // Nothing need be done here... return (HDDEDATA)NULL; } /**************************************************************************** FUNCTION: PMDDEML_SendShellCommand() PURPOSE: Sends the given command string to Program Manager PARAMETERS: LPSTR - pointer to command string RETURNS: BOOL - TRUE if this function succeeds, FALSE otherwise ****************************************************************************/ BOOL PMDDEML_SendShellCommand (DWORD idInst, // instance identifier LPSTR lpCommand) // command string to execute { HSZ hszServTop; // Service and Topic name are "PROGMAN" HCONV hconv; // handle of conversation int nLen; // length of command string HDDEDATA hData; // return value of DdeClientTransaction DWORD dwResult; // result of transaction BOOL bResult=FALSE; // TRUE if this function is successful // create string handle to service/topic hszServTop = DdeCreateStringHandle(idInst, "PROGMAN", CP_WINANSI); // attempt to start conversation with server app if ((hconv = DdeConnect(idInst, hszServTop, hszServTop, NULL))!= NULL) { // get length of the command string nLen = lstrlen((LPSTR)lpCommand); // send command to server app hData = DdeClientTransaction((LPBYTE)lpCommand, // data to pass nLen + 1, // length of data hconv, // handle of conversation NULL, // handle of name-string CF_TEXT, // clipboard format XTYP_EXECUTE, // transaction type 1000, // timeout duration &dwResult); // points to transaction result if (hData) bResult = TRUE; // end conversation DdeDisconnect(hconv); } // free service/topic string handle DdeFreeStringHandle(idInst, hszServTop); return bResult; } /**************************************************************************** FUNCTION: PMDDEML_GetProgramGroupInfo() PURPOSE: Gets group info from progman PARAMETERS: LPSTR - pointer to command string RETURNS: BOOL - TRUE if this function succeeds, FALSE otherwise ****************************************************************************/ BOOL PMDDEML_GetProgramGroupInfo(DWORD idInst, LPSTR lpProgramGroup, char *szBuffer, DWORD cbBuffer) { HSZ hszServTop; // Service and Topic name are "PROGMAN" HSZ hszTopic; // Topic name is the lpRequest HCONV hconv; // handle of conversation HDDEDATA hData = 0; // return value of DdeClientTransaction DWORD dwResult; // result of transaction BOOL bResult=FALSE; // TRUE if this function is successful hszServTop = DdeCreateStringHandle(idInst, "PROGMAN", CP_WINANSI); hszTopic = DdeCreateStringHandle(idInst, lpProgramGroup, CP_WINANSI); if((hconv = DdeConnect(idInst, hszServTop, hszServTop, NULL)) != NULL) { hData = DdeClientTransaction((LPBYTE)NULL, // data to pass 0L, // length of data hconv, // handle of conversation hszTopic, // handle of name-string CF_TEXT, // clipboard format XTYP_REQUEST, // transaction type 5000, // timeout duration &dwResult); // points to transaction result bResult = (BOOL)DdeGetData(hData, (void FAR*)szBuffer, cbBuffer, 0); DdeDisconnect(hconv); } // free service/topic string handle DdeFreeStringHandle(idInst, hszServTop); DdeFreeStringHandle(idInst, hszTopic); return bResult; }