chinesedisplay1container.cpp

此代码是SYMBIAN平台.中文显示技巧.在第二第三版上大部分手机上测试通过.用于解惑中文显示的SYMBIAN开发人员

/*
============================================================================
 Name        : CChineseDisplay1Container from ChineseDisplay1Container.h
 Author      : 
 Version     :
 Copyright   : Your copyright notice
 Description : Container control implementation
============================================================================
*/

// INCLUDE FILES
#include "ChineseDisplay1Container.h"

#include <eiklabel.h>  // for example label control
#include <charconv.h>
#include <EIKENV.H>
#include <AknNoteWrappers.h>


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

// ---------------------------------------------------------
// CChineseDisplay1Container::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CChineseDisplay1Container::ConstructL(const TRect& aRect)
    {
    CreateWindowL();

	CCnvCharacterSetConverter* converter = CCnvCharacterSetConverter::NewLC();
	TBool chineseLanguageSupported = EFalse;
	
	if( converter->PrepareToConvertToOrFromL( KCharacterSetIdentifierGbk,
		CEikonEnv::Static()->FsSession()) == CCnvCharacterSetConverter::EAvailable )
	{
		chineseLanguageSupported = ETrue;
	}
	else if ( converter->PrepareToConvertToOrFromL( KCharacterSetIdentifierGb2312,
		CEikonEnv::Static()->FsSession() ) == CCnvCharacterSetConverter::EAvailable )
	{
		chineseLanguageSupported = ETrue;
	}

	//TText8  *str = (TText8*)"诺基亚";
	TText8  *str = (TText8*)"c:\\吴文涛.txt";
	TInt state=CCnvCharacterSetConverter::KStateDefault;

	TPtrC8 source( str );
	iInfoText = HBufC::NewL( source.Length() );
	TPtr16 ptr = iInfoText->Des();

	if( chineseLanguageSupported )
	{
		TRAP_IGNORE( converter->ConvertToUnicode( ptr, source, state ) )
		CAknInformationNote* note = new (ELeave) CAknInformationNote;
		note->ExecuteLD(ptr);
	}

	CleanupStack::PopAndDestroy();  // converter

	iFs.Connect();
	iFile.Open(iFs,ptr,EFileRead);
	TInt aFileLength = 0;
	iFile.Size(aFileLength);
	if(aFileLength > 0)
	{
		CAknInformationNote* note = new (ELeave) CAknInformationNote;
		note->ExecuteLD(_L("Open OK"));
	}

    SetRect(aRect);
    ActivateL();
    }

// Destructor
CChineseDisplay1Container::~CChineseDisplay1Container()
    {

    }

// ---------------------------------------------------------
// CChineseDisplay1Container::SizeChanged()
// Called by framework when the view size is changed
// ---------------------------------------------------------
//
void CChineseDisplay1Container::SizeChanged()
    {
    // TODO: Add here control resize code etc.

    }

// ---------------------------------------------------------
// CChineseDisplay1Container::CountComponentControls() const
// ---------------------------------------------------------
//
TInt CChineseDisplay1Container::CountComponentControls() const
    {
    return 0; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CChineseDisplay1Container::ComponentControl(TInt aIndex) const
// ---------------------------------------------------------
//
CCoeControl* CChineseDisplay1Container::ComponentControl(TInt aIndex) const
    {
    return NULL;
    }

// ---------------------------------------------------------
// CChineseDisplay1Container::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CChineseDisplay1Container::Draw(const TRect& aRect) const
    {
    CWindowGc& gc = SystemGc();
    // TODO: Add your drawing code here
    // example code...

    }

// ---------------------------------------------------------
// CChineseDisplay1Container::HandleControlEventL(
//     CCoeControl* aControl,TCoeEvent aEventType)
// ---------------------------------------------------------
//
void CChineseDisplay1Container::HandleControlEventL(
    CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
    {
    // TODO: Add your control event handler code here
    }