自学教程：C++ AppUi函数代码示例

	void HandleCommandL(TInt aCommand)	{   		CALLSTACKITEM_N(_CL("CDynamicSettingsViewImpl"), _CL("HandleCommandL"));				switch ( aCommand )			{			case EContextUICmdSettingsChange:				{					ShowSettingPageL( ETrue );								}				break;			case EContextUICmdResetUiState1:				{					Settings().WriteSettingL( SETTING_DONT_DOUBLE_CONFIRM_DELETES, 0 );					Settings().WriteSettingL( SETTING_SHOW_WARNING_ON_BACK, 1 );				}				break;			case EContextUICmdSettingsSave:				StoreSettingsL();				break;			case EAknSoftkeyOk:			case EAknSoftkeyDone:			case EAknSoftkeyBack:				StoreSettingsL();									if (iPreviousLocalViewId==TUid::Uid(0)) {					AppUi()->ActivateViewL(iPreviousViewId);				} else {					AppUi()->ActivateLocalViewL(iPreviousLocalViewId);				}				break;			default:				AppUi()->HandleCommandL(aCommand);			}	}

// -----------------------------------------------------------------------------// CAknExGridView::HandleCommandL()// Handles the commands.// -----------------------------------------------------------------------------//void CNoughtsAndCrossesSettingsView::HandleCommandL (TInt aCommand)    {    switch (aCommand)        {        case EAknSoftkeyOk:            {            CNoughtsAndCrossesDocument* document = static_cast<                CNoughtsAndCrossesDocument*> (AppUi()->Document());            iListBox->StoreSettingsL();            document->SaveSettingsAndInformationL();            document->NewGame();            AppUi()->ActivateLocalViewL (TUid::Uid (EMultiViewsPlayGameId));            break;            }        case EAknSoftkeyCancel:            {            AppUi()->ActivateLocalViewL (TUid::Uid (EMultiViewsPlayGameId));            break;            }        default:            AppUi()->HandleCommandL (aCommand);	        }    }

// ---------------------------------------------------------// CSymTorrentIAPSelectView::HandleCommandL(TInt aCommand)// takes care of view command handling// ---------------------------------------------------------//void CSymTorrentIAPSelectView::HandleCommandL(TInt aCommand){       switch ( aCommand )    {	    	case EAknSoftkeySelect:	        case EAknSoftkeyOk:        {                	if (iContainer->CurrentItemIndex() >= 0)				DOCUMENT->SetIAPIDL(iIAPIDs[iContainer->CurrentItemIndex()]);			AppUi()->ActivateLocalViewL(KMainViewId);			break;        }		case EAknSoftkeyCancel:	        case EAknSoftkeyBack:        {			AppUi()->ActivateLocalViewL(KMainViewId);			break;        }        default:        {					break;        }    }}

void CDirectPrintPrinterSettingView::HandleCommandL(TInt aCommand)	{	switch (aCommand)		{		case EAknSoftkeyBack:			{			iListBox->StoreSettingsL();			StoreDriverInfoL();			StoreTypeInfoL();			StoreBearerInfoL();			StoreExtendSettingsL();			WriteDataL(); // write to model			GetBearerMgr()->SetJobSettings(); // write to bearer			GetModel().SetIsNewData(EFalse);			AppUi()->HandleCommandL(EDirectPrintCmdIdPrinterSettingViewBack);			}			break;		default:			{			AppUi()->HandleCommandL(aCommand);			}			break;		}	}

/** *	Handles user actions during activation of the view,  *	such as initializing the content. */void Csymbian_ua_guiSettingItemListView::DoActivateL(		const TVwsViewId& aPrevViewId,		TUid /*aCustomMessageId*/,		const TDesC8& /*aCustomMessage*/ )	{		previousView = aPrevViewId.iViewUid;		SetupStatusPaneL();		CEikButtonGroupContainer* cba = AppUi()->Cba();	if ( cba != NULL ) 		{		cba->MakeVisible( EFalse );		}		if ( iSymbian_ua_guiSettingItemList == NULL )		{		iSettings = TSymbian_ua_guiSettingItemListSettings::NewL();				CVoIPDocument* doc = static_cast<CVoIPDocument*>(CEikonEnv::Static()->EikAppUi()->Document());		doc->LoadSettingValuesL(*iSettings);				iSymbian_ua_guiSettingItemList = new ( ELeave ) CSymbian_ua_guiSettingItemList( *iSettings, this );		iSymbian_ua_guiSettingItemList->SetMopParent( this );		iSymbian_ua_guiSettingItemList->ConstructFromResourceL( R_SYMBIAN_UA_GUI_SETTING_ITEM_LIST_SYMBIAN_UA_GUI_SETTING_ITEM_LIST );		iSymbian_ua_guiSettingItemList->ActivateL();		//iSymbian_ua_guiSettingItemList->LoadSettingValuesL();		iSymbian_ua_guiSettingItemList->LoadSettingsL();		AppUi()->AddToStackL( *this, iSymbian_ua_guiSettingItemList );		} 	// ]]] end generated region [Generated Contents]		}

// ---------------------------------------------------------// CSymTorrentStatusView::DoActivateL(...)// // ---------------------------------------------------------//void CSymTorrentStatusView::DoActivateL(   const TVwsViewId& /*aPrevViewId*/,TUid /*aCustomMessageId*/,   const TDesC8& /*aCustomMessage*/){    static_cast<CSymTorrentAppUi*>(AppUi())->SetCurrentViewId(ESymTorrentStatusView);    	if (!iStatusContainer)	{        	    iStatusContainer = new (ELeave) CSymTorrentStatusContainer;	    iStatusContainer->SetMopParent(this);	    iStatusContainer->ConstructL( ClientRect(), iAppUi, iTorrentMgr );	    AppUi()->AddToStackL( *this, iStatusContainer );	            if (PREFERENCES->RightSoftkeyMode() == ESTSoftkeyHide)        {    		Cba()->SetCommandL(2, ESymTorrentCmdHide, KLitHideButtonText);        				Cba()->DrawDeferred(); 	        }        else         	    	{    		Cba()->SetCommandL(2, EAknSoftkeyExit, KLitExitButtonText);        				Cba()->DrawDeferred();    	}				iTorrentMgr->SetEngineStateObserverL(iStatusContainer);	}           static_cast<CSymTorrentAppUi*>(AppUi())->TitlePane()->SetTextToDefaultL();}

// ---------------------------------------------------------// CSplashView::HandleCommandL(TInt aCommand)// ?implementation_description// ---------------------------------------------------------//void CSplashView::HandleCommandL(TInt aCommand){   switch ( aCommand )   {   case EAknSoftkeyOk:      {         AppUi()->HandleCommandL( EWayFinderSoftkeyStart);/*          iWayFinderUI->iIniFile->shownNewsChecksum =  *//*             iWayFinderUI->iIniFile->latestNewsChecksum; *//*          iWayFinderUI->iIniFile->Save(); */         iWayFinderUI->iIniFile->SetShownNewsChecksum();      }      break;/*    case EWayFinderSoftKeyUpgrade: *//*       { *//*          if ( iWayFinderUI->ShowUpgradeInfoCba()) { *//*             iShowUpgrade = ETrue; *//*             AppUi()->HandleCommandL( EWayFinderSoftkeyStart ); *//*          } *//*       } */      break;   default:      AppUi()->HandleCommandL( aCommand );   }}

/** *	Handles user actions during activation of the view, *	such as initializing the content. */void Csymbian_ua_guiSettingItemListView::DoActivateL (    const TVwsViewId& /*aPrevViewId*/,    TUid /*aCustomMessageId*/,    const TDesC8& /*aCustomMessage*/){    // [[[ begin generated region: do not modify [Generated Contents]    SetupStatusPaneL();    CEikButtonGroupContainer* cba = AppUi()->Cba();    if (cba != NULL) {        cba->MakeVisible (EFalse);    }    if (iSymbian_ua_guiSettingItemList == NULL) {        iSettings = TSymbian_ua_guiSettingItemListSettings::NewL();        iSymbian_ua_guiSettingItemList = new (ELeave) CSymbian_ua_guiSettingItemList (*iSettings, this);        iSymbian_ua_guiSettingItemList->SetMopParent (this);        iSymbian_ua_guiSettingItemList->ConstructFromResourceL (R_SYMBIAN_UA_GUI_SETTING_ITEM_LIST_SYMBIAN_UA_GUI_SETTING_ITEM_LIST);        iSymbian_ua_guiSettingItemList->ActivateL();        iSymbian_ua_guiSettingItemList->LoadSettingValuesL();        iSymbian_ua_guiSettingItemList->LoadSettingsL();        AppUi()->AddToStackL (*this, iSymbian_ua_guiSettingItemList);    }    // ]]] end generated region [Generated Contents]}

void CDirectPrintPreviewView::DoActivateL(const TVwsViewId& /*aPrevViewId*/, TUid /*aCustomMessageId*/, const TDesC8& /*aCustomMessage*/)	{	LOG("CDirectPrintPreviewView::DoActivateL BEGIN");	CAknToolbar* toolbar = AppUi()->CurrentFixedToolbar();	toolbar->SetToolbarObserver(this);	// set the title pane	SetActiveTitleL(R_DIRECTPRINT_PREVIEW_TITLE);	if (!iPrevCtrl)		{		CDirectPrintAppAppUi* appui = static_cast<CDirectPrintAppAppUi*>( AppUi() );		CDirectPrintEngine* engine = appui->Engine();		const TInt KPanelGutter=5;		const TInt KShadowWidth=2;		const TInt KLabelFontHeight=12;		TFontSpec normalFontSpec = CEikonEnv::Static()->NormalFont()->FontSpecInTwips();		TFontSpec fontSpec(normalFontSpec);		fontSpec.iHeight = KLabelFontHeight;		iPrintPreviewFormat.iLabelFontSpecInPixels=fontSpec;		iPrintPreviewFormat.iMinPanelGutterInPixels=TSize(KPanelGutter,KPanelGutter);		iPrintPreviewFormat.iPanelShadowWidthInPixels=KShadowWidth;		iPrintPreviewFormat.iPanelShadowColor=KRgbDarkGray;		iPrintPreviewFormat.iPanelMarginColor=KRgbGray;		iPrintPreviewFormat.iLabelOffsetInPixels=5;		iPrevCtrl = CDirectPrintPreviewControl::NewL(NULL);		iPrevCtrl->SetMopParent(this);		//iNumPagesInDoc = engine->MaxPageNum();		iNumPagesInDoc = 3;		iFirstPageToDisplay = 1;		iNumPagesToView = 1;		iNumBands = 2;		iMarginState = CPrintPreviewImage::EShowMargins;		engine->StartPrintPreviewL();		iPrevCtrl->InitializeFormat(*(engine->PrintSetup()),									*(engine->PageRegionPrinter()),									iPrintPreviewFormat,									iNumPagesInDoc,									iFirstPageToDisplay,									iNumPagesToView,									iMarginState);		iPrevCtrl->ActivateL();		iPrevCtrl->SetNumBands(2);		}	iPrevCtrl->SetRect(ClientRect());	iPrevCtrl->SetDrawFlag(ETrue);	iPrevCtrl->MakeVisible(ETrue);	iPrevCtrl->DrawDeferred();	AppUi()->AddToStackL(*this, iPrevCtrl);	ChangeVisibleState();	LOG("CDirectPrintPreviewView::DoActivateL END");	}

void CTTGPSLoggerViewerView::DoActivateL(const TVwsViewId& aPrevViewId, TUid aCustomMessageId, const TDesC8& aCustomMessage)    {    if (!iContainer)        {        iContainer = CTTGPSLoggerViewerContainer::NewL(this, ClientRect());        if (static_cast<CTTGPSLoggerAppUi*>(AppUi())->Engine())            {            static_cast<CTTGPSLoggerAppUi*>(AppUi())->Engine()->AddPositionObserver(iContainer);            }        AppUi()->AddToStackL(iContainer);        }    }

// ---------------------------------------------------------// CSymellaSettingsView::HandleCommandL(TInt aCommand)// ?implementation_description// ---------------------------------------------------------//void CSymellaSettingsView::DoDeactivate()    {    if ( iContainer )        {              AppUi()->RemoveFromViewStack( *this, iContainer );                if (!AppUi()->View(KWebCacheViewId)->IsForeground())			static_cast<CSymellaAppUi*>(AppUi())->ShowTabGroupL();        }        delete iContainer;    iContainer = NULL;    }

void CBuddycloudAccountSettingsView::HandleCommandL(TInt aCommand) {	if(aCommand == EAknSoftkeyDone) {		AppUi()->ActivateLocalViewL(KFollowingViewId);	}	else if(aCommand == EMenuHelpCommand) {		AppUi()->HandleCommandL(aCommand);	}	else if(aCommand == EMenuEditItemCommand) {		if(iList) {			iList->EditCurrentItemL();		}	}}

void CTTGPSLoggerViewerView::DoDeactivate()    {    if (iContainer)        {        AppUi()->RemoveFromStack(iContainer);        if (static_cast<CTTGPSLoggerAppUi*>(AppUi())->Engine())            {            static_cast<CTTGPSLoggerAppUi*>(AppUi())->Engine()->DeletePositionObserver(iContainer);            }        delete iContainer;        iContainer = NULL;        }    }

void CTTGPSLoggerViewerView::HandleCommandL(TInt aCommand)    {    switch (aCommand)        {        case EEikCmdExit:        case EAknSoftkeyExit:            {            AppUi()->Exit();            break;            }        case EAknSoftkeyBack:            {            TTGPSLoggerCommon::SetTextStatusPaneL(R_TTGP_TBUF32_STATUSPANE_TITLE_MAIN);            AppUi()->ActivateLocalViewL(TUid::Uid(ETTGPSLoggerViewMainId));            break;            }        case ETTGPSLoggerCBACopy:        case ETTGPSLoggerTBViewerCopy:            {            if (iContainer)                {                iContainer->CopyL();                }            break;            }        case ETTGPSLoggerCBAReload:            {            if (iContainer)                {                iContainer->ReloadL();                }            break;            }        case ETTGPSLoggerTBViewerNMEASt:            {        	TTGPSLoggerCommon::SetTextStatusPaneL(R_TTGP_TBUF32_STATUSPANE_TITLE_NMEAVIEWER);            static_cast<CTTGPSLoggerAppUi*>(CEikonEnv::Static()->EikAppUi())->ActivateLocalViewL(TUid::Uid(ETTGPSLoggerViewNMEAViewerId));            break;            }        case ETTGPSLoggerTBViewerGPSSt:            {        	TTGPSLoggerCommon::SetTextStatusPaneL(R_TTGP_TBUF32_STATUSPANE_TITLE_GPSSTATUS);            static_cast<CTTGPSLoggerAppUi*>(CEikonEnv::Static()->EikAppUi())->ActivateLocalViewL(TUid::Uid(ETTGPSLoggerViewGPSStatusId));            break;            }        default:            Panic(ETTGPSLoggerUi);            break;        }    }

// ---------------------------------------------------------// CSymTorrentDetailsView::DoActivateL(...)// // ---------------------------------------------------------//void CSymTorrentDetailsView::DoActivateL(   const TVwsViewId& /*aPrevViewId*/,TUid /*aCustomMessageId*/,   const TDesC8& /*aCustomMessage*/)    {    static_cast<CSymTorrentAppUi*>(AppUi())->SetCurrentViewId(ESymTorrentDetailsView);        if (!iDetailsContainer)        {        iDetailsContainer = new (ELeave) CSymTorrentDetailsContainer;        iDetailsContainer->SetMopParent(this);        iDetailsContainer->ConstructL( ClientRect(), iAppUi, iTorrentMgr );        AppUi()->AddToStackL( *this, iDetailsContainer );        }   }

// ---------------------------------------------------------// CContextbookView::HandleCommandL(TInt aCommand)// ?implementation_description// ---------------------------------------------------------//void CContextbookView::HandleCommandL(TInt aCommand){   	CALLSTACKITEM(_L("CContextbookView::HandleCommandL"));	switch ( aCommand )        {        case EAknSoftkeyBack:		{			AppUi()->HandleCommandL(EAknSoftkeyBack);			break;		}	case EcontextbookCmdSMS:		{			iContainer->sms_current();			//iLog->write_time();			//iLog->write_to_output(_L("Cmd SendSMS"));			//iLog->write_nl();			break;		}	case EcontextbookCmdNick:		{			if (iLog) {				iLog->write_time();				iLog->write_to_output(_L("Cmd SetNick"));				iLog->write_nl();			}			set_nick();			break;		}	case EcontextbookCmdCall:		{			//iLog->write_time();			//iLog->write_to_output(_L("Cmd Call"));			//iLog->write_nl();			iContainer->call_current();			break;		}	case EcontextbookCmdPresenceDetails:		{			iContainer->show_presence_details_current();		}		break;        default:		{			AppUi()->HandleCommandL( aCommand );			break;		}    }}

void CVicinityView::DoActivateL(const TVwsViewId& aPrevViewId,                           TUid aCustomMessageId,                           const TDesC8& aCustomMessage) {   iWayFinderUI->GetNavigationDecorator()->MakeScrollButtonVisible( ETrue );   if (!iContainer) {      iContainer = new (ELeave) CVicinityContainer;      iContainer->SetMopParent(this);      iContainer->ConstructL(ClientRect(),                              this,                             iWayFinderUI,                             iMapView);      if( iGpsPos.lat != MAX_INT32 ) {         iContainer->setGpsPos( iGpsPos,                                (int) iHeading360 );      }      iContainer->SetDetailFetcher(m_detailFetcher);      iContainer->SetFavoriteFetcher(m_favoriteFetcher);      AppUi()->AddToStackL(* this, iContainer);   }   /* Special case for fixed point vicinity information */   if(!iWayFinderUI->IsGpsConnected()) {      iContainer->ForceUpdate();   }   }

// ---------------------------------------------------------------------------// Symbian 2nd Constructor// ---------------------------------------------------------------------------//void CBCTestAppFrmView::ConstructL(CAknViewAppUi* aUI)    {    BaseConstructL( R_BCTESTAPPFRM_VIEW );    iContainer = new( ELeave ) CBCTestAppFrmContainer();    iContainer->SetMopParent( this );    iContainer->ConstructL( ClientRect() );    AppUi()->AddToStackL( *this, iContainer );    iContainer->MakeVisible( ETrue );    iTestUtil = CBCTestUtil::NewL();    // Add test case here.    iTestUtil->AddTestCaseL( CBCTestAknApplication::NewL(), _L("CBCTestAknApplication") );    iTestUtil->AddTestCaseL( CBCTestAknDoc::NewL(), _L("CBCTestAknDoc") );    iTestUtil->AddTestCaseL( CBCTestAknViewAppUi::NewL(aUI, Id()), _L("CBCTestAknViewAppUi") );    iTestUtil->AddTestCaseL( CBCTestEikMObserver::NewL(), _L("CBCTestEikMObserver") );    iTestUtil->AddTestCaseL( CBCTestVCursor::NewL(), _L("CBCTestVCursor") );    iTestUtil->AddTestCaseL( CBCTestEikenv::NewL( iContainer ), _L("CBCTestEikEnv") );    iTestUtil->AddTestCaseL( CBCTestAppFrmAknAppUICase::NewL(iContainer),        KAppFrmAknAppUICase );    iTestUtil->AddTestCaseL( CBCTestAppFrmAknViewCase::NewL(iContainer,this),        KAppFrmAknViewCase );    iTestUtil->AddTestCaseL( CBCTestAppFrmEikAppUICase::NewL(iContainer),        KAppFrmEikAppUICase );    iTestUtil->AddTestCaseL( CBCTestAppFrmEikSrvCase::NewL(iContainer),        KAppFrmEikSrvCase );    }

// ---------------------------------------------------------// CSymTorrentStatusView::HandleCommandL(TInt aCommand)// takes care of view command handling// ---------------------------------------------------------//void CSymTorrentStatusView::HandleCommandL(TInt aCommand)    {       switch ( aCommand )        {        case EAknSoftkeyBack:            {            iAppUi->ActivateMainViewL();            break;            }        case ESymTorrentCmdDownloadstate:            {            iAppUi->ActivateDownloadStateViewL();            break;            }        case ESymTorrentCmdTorrentFiles:            {            iAppUi->ActivateFilesViewL();            break;            }        default:            {            AppUi()->HandleCommandL( aCommand );            break;            }        }    }

void CStatusView::DynInitMenuPaneL(		 TInt aResourceId,CEikMenuPane* aMenuPane){	CALLSTACKITEM_N(_CL("CStatusView"), _CL("DynInitMenuPaneL"));	AppUi()->DynInitMenuPaneL(aResourceId, aMenuPane);}

void CNormalSettingView::HandleCommandL(TInt aCommand)	{	switch (aCommand)		{		case EAknSoftkeyOk:			if (iContainer)				{				iContainer->StoreSettingsL();				if (iContainer->IsChange())					{					//
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