Symbian 字符串自动换行

核心提示：// --自动折行=//加入头文件#include #include 和estlib.lib 库// --自动折行=//typedef TBuf<60> TBufCH;CArrayFixFlat* FormatUnicodeTxt(const HBufC* abuf,int aMaxWid,const CF

// ----------------------自动折行=========================//

加入头文件

#include

#include

和estlib.lib 库

// ----------------------自动折行=========================//

typedef TBuf<60> TBufCH;

CArrayFixFlat* FormatUnicodeTxt(const HBufC* abuf,int aMaxWid,const CFont& aFt)

{

if(abuf&&abuf->Length()>0)

{

CArrayFixFlat* lineTxts=new (ELeave)CArrayFixFlat(4);

if(lineTxts)

{

CleanupStack::PushL(lineTxts);

TInt wids=0;

TBool wrap=EFalse;

TInt index0=0;

TInt index1=0;

const TUint16* strs=abuf->Ptr();

TInt len=abuf->Length();

TInt subLen;

while(true)

{

wids=0;

wrap=EFalse;

for(index0=index1;index1< p>

{

if(strs[index1]==' ')

{

wrap=ETrue;

index1++;

break;

}

wids+=aFt.CharWidthInPixels(strs[index1]);

if(wids>aMaxWid)

{

break;

}

}

if(wrap)

{

subLen=index1-index0-2;

TUint16* NLStr=(TUint16*)malloc(subLen*sizeof(TUint16)+1);

for(int i=0;i< p>

NLStr[i]=strs[index0+i];

NLStr[subLen]=0;

TPtrC str(NLStr);

lineTxts->AppendL(str);

free(NLStr);

}

else

{

subLen=index1-index0;

TUint16* NLStr=(TUint16*)malloc(subLen*sizeof(TUint16)+1);

// memset(NLStr,'0',subLen*sizeof(TUint16)+1);

for(int i=0;i< p>

NLStr[i]=strs[index0+i];

NLStr[subLen]=0;

TPtrC str(NLStr);

lineTxts->AppendL(str);

free(NLStr);

}

if(index1>=len)

break;

}

CleanupStack::Pop(lineTxts);

}

return lineTxts;

}

return NULL;

}