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/** 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 <windows.h> // required for all Windows applications
#include <ddeml.h> // required for DDEML
#include <stdio.h> // 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;
}
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