自学教程：C++ ClientRect函数代码示例

void CSpaceInvadersAppUi::InitShip(){	TInt x = ClientRect().Width() / 2 - ship_width / 2;	TInt y = ClientRect().Height() - 50;	iShip->SetX(x);	iShip->SetY(y);}

// ---------------------------------------------------------// CSecModUIViewBase::DoActivateL(...)// // ---------------------------------------------------------//void CSecModUIViewBase::DoActivateL(   const TVwsViewId& aPrevViewId,TUid /*aCustomMessageId*/,   const TDesC8& /*aCustomMessage*/)    {    LOG_ENTERFN("CSecModUIViewBase::DoActivateL()");       if (KNullUid == iPrevViewId.iViewUid)        {        iPrevViewId = aPrevViewId;        }    SetTitlePaneL();    AddNaviPaneLabelL();                        if (!iContainer)        {        CreateContainerL();        iContainer->SetMopParent(this);        iContainer->ConstructL(ClientRect());        iContainer->ListBox().SetListBoxObserver(this);        AppUi()->AddToStackL(*this, iContainer);        }            iContainer->ListBox().SetTopItemIndex( iTopItem );   //the iCurrentPostion can be -1, if no keystore presents.   if ( iCurrentPosition >= 0 )       {       iContainer->ListBox().SetCurrentItemIndex( iCurrentPosition ); 	       }    iContainer->MakeVisible(ETrue);   iContainer->SetRect(ClientRect());   iContainer->ActivateL();         LOG_LEAVEFN("CSecModUIViewBase::DoActivateL()");       }

// -----------------------------------------------------------------------------//  Called by the framework when the application status pane//  size is changed.  Passes the new client rectangle to the//  AppView// -----------------------------------------------------------------------------//void COsmo4AppUi::HandleStatusPaneSizeChange(){	iAppView->SetRect( ClientRect() );#ifndef GPAC_GUI_ONLY	iPlaylist->SetRect( ClientRect() );#endif} 

void CSpaceInvadersAppUi::ConstructL(){	// Initialise app UI with standard value.	BaseConstructL(CAknAppUi::EAknEnableSkin);	// Create the highscore holder to use highscores	CSpaceInvadersDocument* ptr = (CSpaceInvadersDocument*)Document();	iHighscoreHolder            = ptr->Holder();	TInt error;		// Create the audioplayer	TRAP(error, iAudioPlayer = CSpaceInvadersAudioPlayer::NewL());	if( error )	{		Exit();	}		// Create the ship	TRAP(error, iShip = CShipEngine::NewL(0, 0 ));	if ( error )	{		Exit();	}	// Create view objects	TRAP(error, iAppView = CSpaceInvadersAppView::NewL( ClientRect(),this,iShip,			                                iHighscoreHolder));	if ( error )	{		Exit();	}		iAppView->MakeVisible(EFalse);		TRAP(error, iStartMenuView = CSpaceInvadersStartMenuAppView::								 NewL(ClientRect(), this, iHighscoreHolder) );	if ( error )	{		Exit();	}	iStartMenuView->MakeVisible(ETrue);		TRAP(error, iHighscoreView = CSpaceInvadersHighscoreView::								 NewL(ClientRect(), this, iHighscoreHolder) );	if ( error )	{		Exit();	}	iHighscoreView->MakeVisible(EFalse);	iCurrentView = iStartMenuView;		AddToStackL( iCurrentView );	// Hiding the status pane	CEikStatusPane* sp = iEikonEnv->AppUiFactory()->StatusPane();	sp->MakeVisible(EFalse);}

Rect TableWidget::ColumnRect( int column ) const{    int last_row = GetNumRows() -1;        Rect R = CellRect( column, 0) | CellRect( column, last_row);    Rect r = ClientRect( column, 0) | ClientRect( column, last_row);    return Rect( r.GetX1(), R.GetY1(), r.GetW(), R.GetH() );}

Rect TableWidget::RowRect( int row ) const{    int last_col = GetNumColumns() -1;        Rect R = CellRect( 0, row) | CellRect( last_col, row);    Rect r = ClientRect( 0, row) | ClientRect( last_col, row);    return Rect( R.GetX1(), r.GetY1(), R.GetW(), r.GetH() );}

// -----------------------------------------------------------------------// Key Event Handler - Primarily to automate navigation through tab groups// -----------------------------------------------------------------------TKeyResponse CHindiDemoAppUi::HandleKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType){  if (aType == EEventKey)   {    if (iTabGroup == NULL)    {      return EKeyWasNotConsumed;    }   }  TInt active = iTabGroup->ActiveTabIndex();  TInt count = iTabGroup->TabCount();  switch (aKeyEvent.iCode)   {    case EKeyLeftArrow:      if (active > 0)       {        // -----------------------------------------------------------------------        // Change to usual layout        // -----------------------------------------------------------------------	TRect cr = ClientRect();	if (cr.iTl.iY == Kqpn_height_status_pane_idle)         {	  StatusPane()->SwitchLayoutL(R_AVKON_STATUS_PANE_LAYOUT_USUAL);	}	active--;	iTabGroup->SetActiveTabByIndex(active);	ActivateLocalViewL(TUid::Uid(iTabGroup->TabIdFromIndex(active)));	return EKeyWasConsumed;      }      break;    case EKeyRightArrow:      if((active + 1) < count)       {        TRect cr = ClientRect();          if (cr.iTl.iY == Kqpn_height_status_pane_idle)         {	  StatusPane()->SwitchLayoutL(R_AVKON_STATUS_PANE_LAYOUT_USUAL);        }        active++;        iTabGroup->SetActiveTabByIndex(active);        ActivateLocalViewL(TUid::Uid(iTabGroup->TabIdFromIndex(active)));        return EKeyWasConsumed;      }    break;    default:      break;  }          return EKeyWasNotConsumed;}

	void DoActivateL(					 const TVwsViewId& aPrevViewId,TUid /*aCustomMessageId*/,				const TDesC8& /*aCustomMessage*/)	{		CALLSTACKITEM_N(_CL("CDynamicSettingsViewImpl"), _CL("DoActivateL"));		iIsActivated=ETrue;		MActiveErrorReporter* rep=AppContext().GetActiveErrorReporter();		if (rep) rep->SetInHandlableEvent(ETrue);#ifdef __WINS__		TInt dummy;		TBreakItem b(GetContext(), dummy);#endif		iPreviousViewId = aPrevViewId;		{			CEikStatusPane *sp = StatusPane();			// Fetch pointer to the default navi pane control			CAknNavigationControlContainer* naviPane = ( CAknNavigationControlContainer * )				sp->ControlL( TUid::Uid( EEikStatusPaneUidNavi ) );			naviPane->PushDefaultL(ETrue);		}		if (!iContainer)			{				iContainer = CBgContainer::NewL( this, ClientRect() );								if (!iListbox) {					iListbox = new (ELeave) CAknSettingStyleListBox();					iListbox->ConstructL( iContainer, EAknListBoxSelectionList );						//iListbox->SetMopParent( iContainer );					iListbox->SetContainerWindowL( *iContainer );					iListbox->CreateScrollBarFrameL( ETrue );					iListbox->ScrollBarFrame()->SetScrollBarVisibilityL(CEikScrollBarFrame::EOff, 																		CEikScrollBarFrame::EAuto );					iListbox->SetListBoxObserver( this );					iSettingItemArray = new (ELeave) CAknSettingItemArray( 10, EFalse, 0);					CTextListBoxModel* model = iListbox->Model();					model->SetItemTextArray( iSettingItemArray );					model->SetOwnershipType( ELbmDoesNotOwnItemArray );				} 			}				UpdateListBoxL();				iContainer->SetContentL( iListbox );		AppUi()->AddToStackL( *this, iContainer );		iContainer->SetRect(ClientRect());				// 	CEikStatusPane* sp=iEikonEnv->AppUiFactory()->StatusPane();		// 	CAknNavigationControlContainer *np = (CAknNavigationControlContainer *)sp->ControlL(TUid::Uid(EEikStatusPaneUidNavi)); 		// 	np->PushDefaultL();			iContainer->ActivateL();	}

/*------------------------------------------------------------------------------------------------------------------------------------------------------------*/void CMovingBallAppUi::HandleStatusPaneSizeChange(){	if(iAppView)	{		iAppView->SetRect( ClientRect() );	}		if(iMySplashScreen)	{		iMySplashScreen->SetRect( ClientRect() );	}} 

// -----------------------------------------------------------------------------// Cosmo4AppUi::ConstructL()// Symbian 2nd phase constructor can leave.// -----------------------------------------------------------------------------//void COsmo4AppUi::ConstructL(){    // Initialise app UI with standard value.    BaseConstructL(CAknAppUi::EAknEnableSkin);    /*Create display*/    iAppView = COsmo4AppView::NewL( ClientRect() );	AddToStackL(iAppView);	/*create playlist*/#ifndef GPAC_GUI_ONLY	iPlaylist = CPlaylist::NewL( ClientRect(), iAppView->GetUser() );	iPlaylist->MakeVisible(EFalse);#endif		iAppView->MakeVisible(ETrue);	view_mode = 0;	m_title = NULL;	//StatusPane ()->SwitchLayoutL ( R_AVKON_STATUS_PANE_LAYOUT_SMALL );	nb_keys = 0;	CaptureKeys(1);	CCommandLineArguments *args = CCommandLineArguments::NewL();#ifndef GPAC_GUI_ONLY	if (args->Count() > 1) {		TPtrC url = args->Arg(1);#if defined(_UNICODE)		char szURL[1024];		u16 szURLUTF16[1024];		size_t len;		len = url.Size();		memcpy(szURLUTF16, url.Ptr(), sizeof(u8)*len);		szURLUTF16[len/2] = 0;		const u16 *sptr = szURLUTF16;		len = gf_utf8_wcstombs(szURL, 512, &sptr);		if (len != (size_t) -1) {			szURL[len] = 0;			iAppView->Connect((const char *)szURL);		}#else		iAppView->Connect((const char *)url.Ptr());#endif	}#endif	delete args;}

void CHelloWorldBasicAppUi::ConstructL()    {    // Initialise app UI with standard value.    BaseConstructL(CAknAppUi::EAknEnableSkin);    // Create view object    iAppView = CHelloWorldBasicAppView::NewL(ClientRect());        iAppContainer = new (ELeave) CFileListContainer;    iAppContainer->SetMopParent(this);    iAppContainer->ConstructL(ClientRect());    AddToStackL(iAppContainer);    }

/* * Construct an object of CYPagesAppView Class. */void CYPagesAppUi::ConstructL(){    BaseConstructL(EAknEnableSkin);	    iAppView = CYPagesAppView::NewL(ClientRect());	iCoeEnv->ReadResource(iAppView->iDisplayText,R_EXAMPLE_TEXT);  }

// ---------------------------------------------------------// CApSettingsPlugin::HandleClientRectChange// ---------------------------------------------------------void CCertManUIPlugin::HandleClientRectChange(){    if ( iContainer )    {        iContainer->SetRect( ClientRect() );    }}

// ---------------------------------------------------------// CSymTorrentFilesView::HandleViewRectChange()// ---------------------------------------------------------//void CSymTorrentFilesView::HandleViewRectChange(){    if ( iFilesContainer )    {        iFilesContainer->SetRect( ClientRect() );    }}

// ---------------------------------------------------------------------------// Symbian 2nd Constructor// ---------------------------------------------------------------------------//void CBCTestSkinsView::ConstructL()    {    BaseConstructL( R_BCTESTSKINS_VIEW );    iContainer = new( ELeave ) CBCTestSkinsContainer();    iContainer->SetMopParent( this );    iContainer->ConstructL( ClientRect() );    AppUi()->AddToStackL( *this, iContainer );    iContainer->MakeVisible( ETrue );    iTestUtil = CBCTestUtil::NewL();    // Add test case here.    iTestUtil->AddTestCaseL( CBCTestDrawUtilsCase::NewL( iContainer ),        _L("Test CBCTestDrawUtilsCase") );    iTestUtil->AddTestCaseL( CBCTestEffectQueueCase::NewL( iContainer ),        _L("Test CBCTestEffectQueueCase") );    iTestUtil->AddTestCaseL( CBCTestBmpAnimCase::NewL( iContainer ),        _L("Test CBCTestBmpAnimCase") );    iTestUtil->AddTestCaseL( CBCTestUtilsCase::NewL( iContainer ),        _L("Test CBCTestUtilsCase") );    iTestUtil->AddTestCaseL( CBCTestEffectCmdCase::NewL( iContainer ),        _L("Test CBCTestEffectCmdCase") );    }

void CTestView::ConstructL() 	{	iControl=new(ELeave) CTestViewControl;    iControl->ConstructL(ViewId());	iControl->SetRect(ClientRect());	AddToStackL(iControl);	}

void NCProgressWin::Paint( wal::GC& gc, const crect& paintRect ){	crect rect = ClientRect();	int w = rect.Width();	Draw3DButtonW2( gc, rect, 0x808080, false );	rect.Dec();	rect.Dec();	w -= 2;	if ( !( _num < _from || _to <= _from || w <= 0 ) )	{		int64_t size = _to - _from;		int n = int( ( w * _num ) / size );		crect r = rect;		r.right = n;		unsigned color = 0xA00000;		unsigned bColor = ColorTone( color, -80 ), aColor = ColorTone( color, +80 );		FillHorisont( gc, r, aColor, bColor );		_lastWidth = w;		_lastPos = n;		rect.left += n;	}	unsigned color = 0xB0B0B0;	unsigned bColor = ColorTone( color, +50 ), aColor = ColorTone( color, -50 );	FillHorisont( gc, rect, aColor, bColor );}

// ---------------------------------------------------------// CSymTorrentStatusView::HandleViewRectChange()// ---------------------------------------------------------//void CSymTorrentStatusView::HandleViewRectChange()    {    if ( iStatusContainer )        {        iStatusContainer->SetRect( ClientRect() );        }    }

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();   }   }

// ---------------------------------------------------------// CMailIdView::HandleClientRectChange()// ---------------------------------------------------------//void CMailIdView::HandleClientRectChange()    {    if ( iContainer )        {        iContainer->SetRect( ClientRect() );        }    }

// ---------------------------------------------------------// CFindBoxView::HandleClientRectChange()// ---------------------------------------------------------//void CFindBoxView::HandleClientRectChange()    {    if ( iContainer )        {        iContainer->SetRect( ClientRect() );        }    }

void CFileBrowseAppUi::ConstructL()  {  CAknAppUi::BaseConstructL(EAknEnableSkin);  iBaseView = CFileBrowseBaseView::NewL(ClientRect());  iBaseView->SetMopParent(this);  AddToStackL(iBaseView);  }

/* * Function to handle the change of layout. */void CYPagesAppUi::HandleResourceChangeL( TInt aType ){    CAknAppUi::HandleResourceChangeL( aType );    if ( aType==KEikDynamicLayoutVariantSwitch ) {        iAppView->SetRect( ClientRect() );    }}

voidCVicinityView::HandleClientRectChange() {   if (iContainer) {      iContainer->SetRect(ClientRect());   }}

void CSplashView::HandleClientRectChange(){	if ( iContainer )	{		iContainer->SetRect( ClientRect() );	}}

// Draws the 'x' close button in regular state or onhover state// Tries to mimic visual style of Chrome tab close buttonstatic void DrawCloseButton(HDC hdc, LabelWithCloseWnd *w) {    Graphics g(hdc);    g.SetCompositingQuality(CompositingQualityHighQuality);    g.SetSmoothingMode(SmoothingModeAntiAlias);    g.SetPageUnit(UnitPixel);    // GDI+ doesn't pick up the window's orientation through the device context,    // so we have to explicitly mirror all rendering horizontally    if (IsRtl(w->hwnd)) {        g.ScaleTransform(-1, 1);        g.TranslateTransform((REAL)ClientRect(w->hwnd).dx, 0, MatrixOrderAppend);    }    Color c;    RectI &r = w->closeBtnPos;    // in onhover state, background is a red-ish circle    bool onHover = IsMouseOverClose(w);    if (onHover) {        c.SetFromCOLORREF(COL_CLOSE_HOVER_BG);        SolidBrush b(c);        g.FillEllipse(&b, r.x, r.y, r.dx - 2, r.dy - 2);    }    // draw 'x'    c.SetFromCOLORREF(onHover ? COL_CLOSE_X_HOVER : COL_CLOSE_X);    g.TranslateTransform((float)r.x, (float)r.y);    Pen p(c, 2);    if (onHover) {        g.DrawLine(&p, Point(4, 4), Point(r.dx - 6, r.dy - 6));        g.DrawLine(&p, Point(r.dx - 6, 4), Point(4, r.dy - 6));    } else {        g.DrawLine(&p, Point(4, 5), Point(r.dx - 6, r.dy - 5));        g.DrawLine(&p, Point(r.dx - 6, 5), Point(4, r.dy - 5));    }}

//             The second phase constructor of the application UI class.//             The application UI creates and owns the one and only view.// void CTgb18030AppUi::ConstructL()    {				// BaseConstructL() completes the UI framework's	           // construction of the App UI.    BaseConstructL();	iAppView = CTgb18030AppView::NewL(ClientRect());	}

// ---------------------------------------------------------// 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();}

// ---------------------------------------------------------// CSymellaSettingsView::HandleClientRectChange()// ---------------------------------------------------------//void CSymellaSettingsView::HandleViewRectChange()    {    if ( iContainer )        {        iContainer->SetRect( ClientRect() );        }    }