static HRESULT STDMETHODCALLTYPE GetIDsOfNames( IDispatch * lpThis, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId ) { HRESULT hr = S_OK; HB_SYMBOL_UNUSED( lcid ); if( ! IsEqualIID( riid, HB_ID_REF( IID_NULL ) ) ) hr = DISP_E_UNKNOWNINTERFACE; else if( ( ( IHbOleServer * ) lpThis )->fGuids ) return E_NOTIMPL; else if( cNames > 0 ) { char szName[ HB_SYMBOL_NAME_LEN + 1 ]; DISPID dispid = 0; UINT ui; if( s_WideToAnsiBuffer( rgszNames[ 0 ], szName, ( int ) sizeof( szName ) ) != 0 ) { PHB_ITEM pAction; pAction = ( ( IHbOleServer * ) lpThis )->pAction; if( ! pAction ) pAction = s_pAction; if( pAction ) { if( s_pMsgHash ) { HB_SIZE nPos = hb_hashGetCItemPos( s_pMsgHash, szName ); if( nPos == 0 ) { PHB_ITEM pKey = hb_itemPutC( hb_stackAllocItem(), szName ); if( hb_hashAdd( s_pMsgHash, pKey, NULL ) ) hb_hashScan( s_pMsgHash, pKey, &nPos ); hb_stackPop(); } dispid = ( DISPID ) nPos; } else if( HB_IS_HASH( pAction ) ) { HB_SIZE nPos = hb_hashGetCItemPos( pAction, szName ); if( nPos ) dispid = ( DISPID ) nPos; } else if( HB_IS_OBJECT( pAction ) ) { PHB_DYNS pDynSym = hb_dynsymFindName( szName ); if( pDynSym && hb_objHasMessage( pAction, pDynSym ) ) dispid = hb_dynsymToDispId( pDynSym ); } } else { PHB_DYNS pDynSym = hb_dynsymFindName( szName ); if( pDynSym && ( hb_dynsymIsFunction( pDynSym ) || hb_dynsymIsMemvar( pDynSym ) ) ) dispid = hb_dynsymToDispId( pDynSym ); } } for( ui = 0; ui < cNames; ++ui ) rgDispId[ ui ] = DISPID_UNKNOWN; hr = DISP_E_UNKNOWNNAME; if( dispid ) { rgDispId[ 0 ] = dispid; if( cNames == 1 ) hr = S_OK; } } return hr; }
//------------------------------------------------------------------------------ // IEventHandler's Invoke() // self is where the action happens // self function receives events (by their ID number) and distributes the processing // or them or ignores them static ULONG STDMETHODCALLTYPE Invoke( IEventHandler *self, DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *params, VARIANT *result, EXCEPINFO *pexcepinfo, UINT *puArgErr ) { PHB_ITEM pItem; int iArg, i; PHB_ITEM pItemArray[32]; // max 32 parameters? PHB_ITEM *pItems; ULONG ulRefMask = 0; ULONG ulPos; PHB_ITEM Key; Key = hb_itemNew( NULL ); // We implement only a "default" interface if ( !IsEqualIID( riid, &IID_NULL ) ) return( DISP_E_UNKNOWNINTERFACE ); HB_SYMBOL_UNUSED(lcid); HB_SYMBOL_UNUSED(wFlags); HB_SYMBOL_UNUSED(result); HB_SYMBOL_UNUSED(pexcepinfo); HB_SYMBOL_UNUSED(puArgErr); // delegate work to somewhere else in PRG //*************************************** #ifdef __USEHASHEVENTS if ( hb_hashScan( ((MyRealIEventHandler* ) self)->pEvents, hb_itemPutNL( Key, dispid ), &ulPos ) ) { PHB_ITEM pArray = hb_hashGetValueAt( ((MyRealIEventHandler* ) self)->pEvents, ulPos ); #else ulPos = hb_arrayScan( ((MyRealIEventHandler* ) self)->pEvents, hb_itemPutNL( Key, dispid ), NULL, NULL, 0 #ifdef __XHARBOUR__ , 0 #endif ); if ( ulPos ) { PHB_ITEM pArray = hb_arrayGetItemPtr( ((MyRealIEventHandler* ) self)->pEventsExec, ulPos ); #endif PHB_ITEM pExec = hb_arrayGetItemPtr( pArray, 01 ); if ( pExec ) { hb_vmRequestReenter(); switch ( hb_itemType( pExec ) ) { case HB_IT_BLOCK: { hb_vmPushSymbol( &hb_symEval ); hb_vmPush( pExec ); break; } case HB_IT_STRING: { PHB_ITEM pObject = hb_arrayGetItemPtr( pArray, 2 ); hb_vmPushSymbol( hb_dynsymSymbol( hb_dynsymFindName( hb_itemGetCPtr( pExec ) ) ) ); if ( HB_IS_OBJECT( pObject ) ) hb_vmPush( pObject ); else hb_vmPushNil(); break; } case HB_IT_POINTER: { hb_vmPushSymbol( hb_dynsymSymbol( ( (PHB_SYMB) pExec ) -> pDynSym ) ); hb_vmPushNil(); break; } } iArg = params->cArgs; for( i = 1; i<= iArg; i++ ) { pItem = hb_itemNew(NULL); hb_oleVariantToItem( pItem, &(params->rgvarg[iArg-i]) ); pItemArray[i-1] = pItem; // set bit i ulRefMask |= ( 1L << (i-1) ); } if( iArg ) { pItems = pItemArray; hb_itemPushList( ulRefMask, iArg, &pItems ); } // execute hb_vmDo( (USHORT) iArg ); // En caso de que los parametros sean pasados por referencia for( i=iArg; i > 0; i-- ) { if( ( (&(params->rgvarg[iArg-i]))->n1.n2.vt & VT_BYREF ) == VT_BYREF ) { switch( (&(params->rgvarg[iArg-i]))->n1.n2.vt ) { //case VT_UI1|VT_BYREF: // *((&(params->rgvarg[iArg-i]))->n1.n2.n3.pbVal) = va_arg(argList,unsigned char*); //pItemArray[i-1] // break; case VT_I2|VT_BYREF: *((&(params->rgvarg[iArg-i]))->n1.n2.n3.piVal) = (short) hb_itemGetNI(pItemArray[i-1]); break; case VT_I4|VT_BYREF: *((&(params->rgvarg[iArg-i]))->n1.n2.n3.plVal) = (long) hb_itemGetNL(pItemArray[i-1]); break; case VT_R4|VT_BYREF: *((&(params->rgvarg[iArg-i]))->n1.n2.n3.pfltVal) = (float) hb_itemGetND(pItemArray[i-1]); break; case VT_R8|VT_BYREF: *((&(params->rgvarg[iArg-i]))->n1.n2.n3.pdblVal) = (double) hb_itemGetND(pItemArray[i-1]); break; case VT_BOOL|VT_BYREF: *((&(params->rgvarg[iArg-i]))->n1.n2.n3.pboolVal) = (VARIANT_BOOL) ( hb_itemGetL( pItemArray[i-1] ) ? 0xFFFF : 0 ); break; //case VT_ERROR|VT_BYREF: // *((&(params->rgvarg[iArg-i]))->n1.n2.n3.pscode) = va_arg(argList, SCODE*); // break; case VT_DATE|VT_BYREF: *((&(params->rgvarg[iArg-i]))->n1.n2.n3.pdate) = (DATE) (double) (hb_itemGetDL(pItemArray[i-1])-2415019 ); break; //case VT_CY|VT_BYREF: // *((&(params->rgvarg[iArg-i]))->n1.n2.n3.pcyVal) = va_arg(argList, CY*); // break; //case VT_BSTR|VT_BYREF: // *((&(params->rgvarg[iArg-i]))->n1.n2.n3.pbstrVal = va_arg(argList, BSTR*); // break; //case VT_UNKNOWN|VT_BYREF: // pArg->ppunkVal = va_arg(argList, LPUNKNOWN*); // break; //case VT_DISPATCH|VT_BYREF: // pArg->ppdispVal = va_arg(argList, LPDISPATCH*); // break; } // EOF switch( (&(params->rgvarg[iArg-i]))->n1.n2.vt ) } // EOF if( (&(params->rgvarg[iArg-i]))->n1.n2.vt & VT_BYREF == VT_BYREF ) } // EOF for( i=iArg; i > 0; i-- ) hb_vmRequestRestore(); } // EOF if ( pExec ) } // EOF If Scan hb_itemRelease( Key ); return S_OK; } // EOF invoke //------------------------------------------------------------------------------ // Here's IEventHandler's VTable. It never changes so we can declare it static static const IEventHandlerVtbl IEventHandler_Vtbl = { QueryInterface, AddRef, Release, GetTypeInfoCount, GetTypeInfo, GetIDsOfNames, Invoke }; //------------------------------------------------------------------------------ // constructor // params: // device_interface - refers to the interface type of the COM object (whose event we are trying to receive). // device_event_interface - indicates the interface type of the outgoing interface supported by the COM object. // This will be the interface that must be implemented by the Sink object. // is essentially derived from IDispatch, our Sink object (self IEventHandler) // is also derived from IDispatch. typedef IEventHandler device_interface; // Hash // SetupConnectionPoint( oOle:hObj, @hSink, hEvents ) -> nError // Array // SetupConnectionPoint( oOle:hObj, @hSink, aEvents, aExecEvent ) -> nError HB_FUNC( SETUPCONNECTIONPOINT ) { IConnectionPointContainer* pIConnectionPointContainerTemp = NULL; IUnknown* pIUnknown = NULL; IConnectionPoint* m_pIConnectionPoint; IEnumConnectionPoints* m_pIEnumConnectionPoints; HRESULT hr; //,r; IID rriid; register IEventHandler * selfobj; DWORD dwCookie = 0; device_interface* pdevice_interface = (device_interface*) HB_PARNL( 1 ); MyRealIEventHandler* pThis; // Allocate our IEventHandler object (actually a MyRealIEventHandler) // intentional misrepresentation of size selfobj = ( IEventHandler *) GlobalAlloc( GMEM_FIXED, sizeof( MyRealIEventHandler ) ); if ( ! selfobj ) { hr = E_OUTOFMEMORY; } else { // Store IEventHandler's VTable in the object selfobj->lpVtbl = (IEventHandlerVtbl *) &IEventHandler_Vtbl; // Increment the reference count so we can call Release() below and // it will deallocate only if there is an error with QueryInterface() ((MyRealIEventHandler *) selfobj)->count = 0; //((MyRealIEventHandler *) selfobj)->device_event_interface_iid = &riid; ((MyRealIEventHandler *) selfobj)->device_event_interface_iid = IID_IDispatch; // Query self object itself for its IUnknown pointer which will be used // later to connect to the Connection Point of the device_interface object. hr = selfobj->lpVtbl->QueryInterface( selfobj, &IID_IUnknown, (void**) (void *) &pIUnknown ); if ( hr == S_OK && pIUnknown ) { // Query the pdevice_interface for its connection point. hr = pdevice_interface->lpVtbl->QueryInterface( pdevice_interface, &IID_IConnectionPointContainer, (void**) (void *) &pIConnectionPointContainerTemp ); if ( hr == S_OK && pIConnectionPointContainerTemp ) { // start uncomment hr = pIConnectionPointContainerTemp->lpVtbl->EnumConnectionPoints( pIConnectionPointContainerTemp, &m_pIEnumConnectionPoints ); if ( hr == S_OK && m_pIEnumConnectionPoints ) { do { hr = m_pIEnumConnectionPoints->lpVtbl->Next( m_pIEnumConnectionPoints, 1, &m_pIConnectionPoint , NULL); if( hr == S_OK ) { if ( m_pIConnectionPoint->lpVtbl->GetConnectionInterface( m_pIConnectionPoint, &rriid ) == S_OK ) { break; } } } while( hr == S_OK ); m_pIEnumConnectionPoints->lpVtbl->Release(m_pIEnumConnectionPoints); } // end uncomment //hr = pIConnectionPointContainerTemp ->lpVtbl->FindConnectionPoint(pIConnectionPointContainerTemp , &IID_IDispatch, &m_pIConnectionPoint); pIConnectionPointContainerTemp->lpVtbl->Release( pIConnectionPointContainerTemp ); pIConnectionPointContainerTemp = NULL; } if ( hr == S_OK && m_pIConnectionPoint ) { //OutputDebugString("getting iid"); //Returns the IID of the outgoing interface managed by self connection point. //hr = m_pIConnectionPoint->lpVtbl->GetConnectionInterface(m_pIConnectionPoint, &rriid ); //OutputDebugString("called"); if( hr == S_OK ) { ((MyRealIEventHandler *) selfobj)->device_event_interface_iid = rriid; } else OutputDebugString("error getting iid"); //OutputDebugString("calling advise"); hr = m_pIConnectionPoint->lpVtbl->Advise( m_pIConnectionPoint, pIUnknown, &dwCookie ); ((MyRealIEventHandler *) selfobj)->pIConnectionPoint = m_pIConnectionPoint; ((MyRealIEventHandler *) selfobj)->dwEventCookie = dwCookie; } pIUnknown->lpVtbl->Release(pIUnknown); pIUnknown = NULL; } } if( selfobj ) { pThis = (MyRealIEventHandler *) selfobj; #ifndef __USEHASHEVENTS pThis->pEventsExec = hb_itemNew( hb_param( 4, HB_IT_ANY ) ); #endif pThis->pEvents = hb_itemNew( hb_param( 3, HB_IT_ANY ) ); HB_STORNL2( (LONG_PTR) pThis, 2 ); } HWNDret( hr ); } //------------------------------------------------------------------------------ HB_FUNC( SHUTDOWNCONNECTIONPOINT ) { MyRealIEventHandler *self = ( MyRealIEventHandler * ) HB_PARNL( 1 ); if( self->pIConnectionPoint ) { self->pIConnectionPoint->lpVtbl->Unadvise( self->pIConnectionPoint, self->dwEventCookie ); self->dwEventCookie = 0; self->pIConnectionPoint->lpVtbl->Release( self->pIConnectionPoint ); self->pIConnectionPoint = NULL; } } //------------------------------------------------------------------------------ HB_FUNC( RELEASEDISPATCH ) { IDispatch * pObj; pObj = ( IDispatch * ) HWNDparam( 1 ); pObj->lpVtbl->Release( pObj ); }