CONNSET.CPP

/*========================================================================== 
 * 
 *  Copyright (C) 1997 Microsoft Corporation.  All Rights Reserved. 
 * 
 *  File:       ConnSet.cpp 
 *  Content:A dialog to set and get Group connection settings for a lobby 
 * 
 ***************************************************************************/ 
 
#include "Bellhop.h" 
 
HRESULTGetConnectionSPGuid(HWND hWnd, int idCombo, GUID *lpGuidSP); 
HRESULTGetComboBoxGuid(HWND hWnd, LONG iDialogItem, LPGUID lpguidReturn); 
HRESULT SetGroupConnection(HWND hWnd, LPLOBBYGROUPCONTEXT lpContext); 
BOOL CALLBACK LobbyGroupWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam); 
BOOL InitConnectionSettingsDialog(  HWND hWnd, LPLOBBYGROUPCONTEXT lpContext); 
BOOL FAR PASCALEnumApp(LPCDPLAPPINFO lpAppInfo, LPVOID lpContext, DWORD dwFlags); 
BOOL FAR PASCAL DirectPlayEnumConnectionsCallback( 
LPCGUIDlpguidSP, 
LPVOIDlpConnection, 
DWORDdwSize, 
LPCDPNAMElpName, 
DWORDdwFlags, 
LPVOIDlpContext); 
 
 
/////////////////////////////////////////////////////////////////////////////////////// 
BOOL InitConnectionSettingsDialog( HWND hWnd, LPLOBBYGROUPCONTEXT lpContext) 
{ 
BOOLbRet= FALSE, 
bFound; 
intiNum= 0, 
i, 
lParam; 
LPCONNECTIONINFOlpci= NULL; 
LPGUIDlpGuid= NULL; 
LPDPLCONNECTIONlpdpconn = NULL; 
HRESULThr; 
ENUMCONNSTRUCTenStruct; 
DWORDdwSize; 
 
HWNDhSPComboBox = GetDlgItem( hWnd, IDC_GROUPCONNECTIONSPCOMBO );  
HWNDhAppComboBox = GetDlgItem( hWnd, IDC_APPCOMBO );  
 
// put all the DirectPlay applications in a combo box 
lpContext->lpDPInfo->lpDirectPlayLobby2A->EnumLocalApplications(EnumApp, hWnd, 0); 
 
// put all the available connections in a combo box 
enStruct.hWnd = hWnd; 
enStruct.idCombo = IDC_GROUPCONNECTIONSPCOMBO; 
 
hr = IDirectPlay3_EnumConnections(lpContext->lpDPInfo->lpDirectPlay3A,  
&BELLHOP_GUID,  
DirectPlayEnumConnectionsCallback, 
&enStruct, DPCONNECTION_DIRECTPLAY ); 
if (FAILED(hr)) 
goto FAILURE; 
 
dwSize = 0; 
hr = IDirectPlay3_GetGroupConnectionSettings( lpContext->lpDPInfo->lpDirectPlay3A,  
0, lpContext->dpidRoom, lpdpconn, &dwSize ); 
 
if (DPERR_BUFFERTOOSMALL != hr) 
goto FAILURE; 
 
lpdpconn = (LPDPLCONNECTION) GlobalAllocPtr( GHND, dwSize ); 
if (NULL == lpdpconn) 
goto FAILURE; 
 
hr = IDirectPlay3_GetGroupConnectionSettings( lpContext->lpDPInfo->lpDirectPlay3A,  
0, lpContext->dpidRoom, lpdpconn, &dwSize ); 
 
if (FAILED(hr)) 
goto FAILURE; 
 
 
iNum = ComboBox_GetCount( hSPComboBox ); 
 
bFound = FALSE; 
for (i=0; i<iNum; i++) 
{ 
lParam =  ComboBox_GetItemData( hSPComboBox, i ); 
 
if ((lParam) && (CB_ERR != lParam)) 
{ 
lpci = (LPCONNECTIONINFO) lParam; 
if (IsEqualGUID( lpci->guidSP, lpdpconn->guidSP )) 
{ 
bFound = TRUE; 
ComboBox_SetCurSel( hSPComboBox, i ); 
break; 
} 
lpci = NULL; 
} 
 
lParam = NULL; 
} 
 
if (FALSE == bFound) 
{ 
//No match. 
ComboBox_AddString( hSPComboBox, "<Unknown Service Provider>"); 
ComboBox_SetItemData( hSPComboBox, 0, 0); 
ComboBox_SetCurSel( hSPComboBox, 0 ); 
} 
 
iNum = ComboBox_GetCount( hAppComboBox ); 
 
bFound = FALSE; 
for (i=0; i<iNum; i++) 
{ 
lParam = ComboBox_GetItemData( hAppComboBox, i ); 
 
if ((lParam) && (CB_ERR != lParam)) 
{ 
lpGuid = (LPGUID) lParam; 
if (IsEqualGUID( *lpGuid, lpdpconn->lpSessionDesc->guidApplication )) 
{ 
bFound = TRUE; 
ComboBox_SetCurSel( hAppComboBox, i ); 
break; 
} 
lpGuid = NULL; 
} 
 
lParam = NULL; 
 
} 
 
if (FALSE == bFound) 
{ 
//No match. 
ComboBox_AddString( hAppComboBox, "<Unknown Application>"); 
ComboBox_SetItemData( hAppComboBox, 0, 0); 
ComboBox_SetCurSel( hAppComboBox, 0 ); 
} 
 
bRet = TRUE; 
 
// initialize max players 
SetDlgItemInt(hWnd, IDC_MAXPLAYERSEDIT, 0, FALSE); 
SetDlgItemText( hWnd, IDC_PASSWORDEDIT,lpdpconn->lpSessionDesc->lpszPasswordA ); 
 
FAILURE: 
return bRet; 
} 
 
 
/////////////////////////////////////////////////////////////////////////////////////// 
HRESULT SetGroupConnection(HWND hWnd, LPLOBBYGROUPCONTEXT lpContext) 
{ 
CHARszPassword[MAXSTRLEN]; 
DWORDdwMaxPlayers; 
LPDPLCONNECTIONlp = NULL; 
HRESULThr; 
GUIDguidApplication, 
guidSP; 
DWORDdwSize = 0; 
 
//Pull the info from the dialog 
GetDlgItemText(hWnd, IDC_PASSWORDEDIT, szPassword, MAXSTRLEN); 
dwMaxPlayers = GetDlgItemInt(hWnd, IDC_MAXPLAYERSEDIT, NULL, FALSE); 
hr = GetComboBoxGuid(hWnd, IDC_APPCOMBO, &guidApplication); 
 
if (FAILED( hr)) 
{ 
ErrorBox( "Please select a different application.", hr ); 
return hr; 
} 
 
GetConnectionSPGuid(hWnd, IDC_GROUPCONNECTIONSPCOMBO, &guidSP); 
 
if (FAILED( hr)) 
{ 
ErrorBox( "Please select a different service provider.", hr ); 
return hr; 
} 
 
 
//Get the old connection settings. 
hr = IDirectPlay3_GetGroupConnectionSettings(lpContext->lpDPInfo->lpDirectPlay3A, 
 0, lpContext->dpidRoom, NULL, &dwSize ); 
 
lp = (LPDPLCONNECTION) GlobalAllocPtr( GHND, dwSize ); 
 
if (lp) 
{ 
hr = IDirectPlay3_GetGroupConnectionSettings(lpContext->lpDPInfo->lpDirectPlay3A, 
 0, lpContext->dpidRoom, (LPVOID) lp, &dwSize ); 
 
lp->lpSessionDesc->dwMaxPlayers = dwMaxPlayers; 
lp->lpSessionDesc->lpszPasswordA = szPassword; 
lp->lpSessionDesc->guidApplication = guidApplication; 
lp->guidSP = guidSP; 
 
hr = IDirectPlay3_SetGroupConnectionSettings(lpContext->lpDPInfo->lpDirectPlay3A, 
 0, lpContext->dpidRoom, lp ); 
} 
else 
{ 
hr = DPERR_OUTOFMEMORY; 
} 
 
return (hr); 
} 
 
 
/////////////////////////////////////////////////////////////////////////////////////// 
BOOL CALLBACK ConnectionSettingsDialogProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) 
{ 
LPLOBBYGROUPCONTEXTlpContext = (LPLOBBYGROUPCONTEXT) GetWindowLong(hWnd, DWL_USER); 
HRESULThr; 
 
    switch(uMsg) 
    { 
        case WM_INITDIALOG: 
 
// context passed in lParam 
lpContext = (LPLOBBYGROUPCONTEXT) lParam; 
 
            // save the globals with the window 
SetWindowLong(hWnd, DWL_USER, (LONG) lpContext); 
InitConnectionSettingsDialog( hWnd, lpContext );   
            break; 
 
        case WM_DESTROY: 
{ 
WPARAMindex; 
LRESULTlpData; 
 
// destroy the GUID's stored with each app name 
index = 0; 
while (TRUE) 
{ 
lpData = SendDlgItemMessage(hWnd, IDC_APPCOMBO, CB_GETITEMDATA, (WPARAM) index, 0); 
if ((lpData == CB_ERR) || (lpData == 0)) 
break; 
 
GlobalFreePtr((LPVOID) lpData); 
index += 1; 
} 
 
// destroy the connection info in the combo box. 
index = 0; 
while (TRUE) 
{ 
lpData = SendDlgItemMessage(hWnd, IDC_GROUPCONNECTIONSPCOMBO, CB_GETITEMDATA, (WPARAM) index, 0); 
if ((lpData == CB_ERR) || (lpData == 0)) 
break; 
 
GlobalFreePtr((LPVOID) lpData); 
index += 1; 
} 
} 
            break; 
 
        case WM_COMMAND: 
            switch(LOWORD(wParam)) 
            { 
case IDOK: 
// save changes they made 
hr = SetGroupConnection( hWnd, lpContext); 
 
if (SUCCEEDED(hr)) 
{ 
// Return success 
EndDialog(hWnd, TRUE); 
} 
                    break; 
 
case IDCANCEL: 
                    // Return failure 
                    EndDialog(hWnd, FALSE); 
 
                    break; 
 
case IDC_STAGINGAREA: 
{ 
int i = SendDlgItemMessage( hWnd, IDC_STAGINGAREA, BM_GETCHECK, 0, 0 ); 
EnableWindow( GetDlgItem( hWnd, IDC_PASSWORDEDIT ), (BST_CHECKED==i)); 
EnableWindow( GetDlgItem( hWnd, IDC_APPCOMBO ), (BST_CHECKED==i)); 
EnableWindow( GetDlgItem( hWnd, IDC_MAXPLAYERSEDIT ), (BST_CHECKED==i)); 
EnableWindow( GetDlgItem( hWnd, IDC_GROUPCONNECTIONSPCOMBO ), (BST_CHECKED==i)); 
} 
break; 
 
            } 
 
            break; 
    } 
 
    // Allow for default processing 
    return FALSE; 
}