stopwatchcontainer.cpp

基于Symbian OS的手机开发与应用实践第12章代码。主要讲各种时钟

/*
* ============================================================================
*  Name     : CStopwatchContainer from StopwatchContainer.h
*  Part of  : Stopwatch
*  Created  : 05.02.2006 by ToBeReplacedByAuthor
*  Implementation notes:
*     Initial content was generated by Series 60 Application Wizard.
*  Version  :
*  Copyright: ToBeReplacedByCopyright
* ============================================================================
*/

// INCLUDE FILES
#include <e32std.h>
#include <eiklabel.h>   // for CEikLabel

#include "StopwatchContainer.h"
#include "StopwatchModel.h"

// CONSTANTS
const TInt CStopwatchContainer::KTimeStringLength = 7;

// ================= MEMBER FUNCTIONS =======================

CStopwatchContainer* CStopwatchContainer::NewL(const TRect& aRect, const CStopwatchModel& aModel)
    {
    CStopwatchContainer* self = new (ELeave) CStopwatchContainer(aModel);
    CleanupStack::PushL(self);
    self->ConstructL(aRect);
    CleanupStack::Pop();
    return self;
    }

// Destructor
CStopwatchContainer::~CStopwatchContainer()
    {
    delete iLabel;
    }

// public new functions
void CStopwatchContainer::RefreshL()
    {
    TBuf<KTimeStringLength> timeString;
    const TTime& time = iModel.Time();
    time.FormatL(timeString, KTimeFormat);
    iLabel->SetTextL(timeString);
    DrawDeferred();
    }


// ---------------------------------------------------------
// CStopwatchContainer::CountComponentControls() const
// ---------------------------------------------------------
//
TInt CStopwatchContainer::CountComponentControls() const
    {
    return 1; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CStopwatchContainer::ComponentControl(TInt aIndex) const
// ---------------------------------------------------------
//
CCoeControl* CStopwatchContainer::ComponentControl(TInt aIndex) const
    {
    switch ( aIndex )
        {
        case 0:
            return iLabel;
        default:
            return NULL;
        }
    }

// ---------------------------------------------------------
// CStopwatchContainer::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CStopwatchContainer::Draw(const TRect& aRect) const
    {
    CWindowGc& gc = SystemGc();
    // TODO: Add your drawing code here
    // example code...
    gc.SetPenStyle( CGraphicsContext::ENullPen );
    gc.SetBrushColor( KRgbGray );
    gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
    gc.DrawRect( aRect );
    }


CStopwatchContainer::CStopwatchContainer(const CStopwatchModel& aModel)
 : iModel(aModel)
    {
    // No Implementation Required
    }


// ---------------------------------------------------------
// CStopwatchContainer::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CStopwatchContainer::ConstructL(const TRect& aRect)
    {
    CreateWindowL();

    SetRect(aRect);

    iLabel = new(ELeave) CEikLabel;
    TBuf<KTimeStringLength> timeString;
    const TTime& time = iModel.Time();
    time.FormatL(timeString, KTimeFormat);
    iLabel->SetTextL(timeString);
    TSize size(iLabel->MinimumSize());
    TPoint position((aRect.Width()-size.iWidth)/2, (aRect.Height()-size.iHeight)/2);
    iLabel->SetPosition(position);

    ActivateL();
    }

// End of File