📄 richtexteditorcontainer.cpp
字号:
iRtEd->RichText()->InsertL(iRtEd->RichText()->
DocumentLength(), CEditableText::EParagraphDelimiter);
SetRightTab();
switch( CurOp )
{
case EOpAdd:
SetColor( KRgbDarkCyan );
iRtEd->RichText()->InsertL(iRtEd->RichText()->DocumentLength(), KAdd);
break;
case EOpSub:
SetColor( KRgbDarkCyan );
iRtEd->RichText()->InsertL(iRtEd->RichText()->DocumentLength(), KSub);
break;
case EOpMult:
SetColor( KRgbDarkCyan );
iRtEd->RichText()->InsertL(iRtEd->RichText()->DocumentLength(), KMult);
break;
case EOpDiv:
SetColor( KRgbDarkCyan );
iRtEd->RichText()->InsertL(iRtEd->RichText()->DocumentLength(), KDiv);
break;
}
InsertTab();
iRtEd->SetCursorPosL(iRtEd->RichText()->DocumentLength(), false);
SetFont(EAknLogicalFontPrimarySmallFont);
//恢复下一段落格式
SetColor( KRgbBlack );
iPosStart = iRtEd->RichText()->DocumentLength();
iIsComplete = EFalse;
iIsOperand1 = EFalse;
}
void CRTEContainer::AboutL()
{
TInt pos = 0;
CParaFormat* paraFormat=CParaFormat::NewLC();
TParaFormatMask paraFormatMask;
iIsAbout = ETrue;
iRtEd->SetCursorPosL(0,EFalse);
SetHorizontalAlignment(CParaFormat::ECenterAlign);
//设置段落格式掩码和格式
_LIT( KAbout, "\fCalculator v0.1:\f\f- Author - Xining\f- E-mail - xin@nlp.nju.edu.cn\f- Date - May 2008");
TBuf<200> Demobuf;
iRtEd->RichText()->DeleteL( 1, iRtEd->RichText()->DocumentLength() - 1 );
iRtEd->HandleTextChangedL();
iRtEd->SetCursorPosL( iRtEd->RichText()->DocumentLength(), false);
iRtEd->RichText()->InsertL( iRtEd->Text()->DocumentLength(), KAbout);
iRtEd->SetCursorPosL( iRtEd->RichText()->DocumentLength(), false);
SetHorizontalAlignment(CParaFormat::ECenterAlign);
CleanupStack::Pop();
}
void CRTEContainer::SetupL()
{
iRtEd->EnableCcpuSupportL(ETrue);
iRtEd->SetCursorPosL(0, EFalse);
iRtEd->UpdateScrollBarsL();
SizeChanged();
}
// ---------------------------------------------------------
// CRTEContainer::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CRTEContainer::ConstructL(const TRect& aRect)
{
CreateWindowL();
iRtEd = new (ELeave) CEikRichTextEditor;
iStatusLine = new (ELeave) CEikLabel;
iStatusLine->SetAlignment(EHCenterVCenter);
Prepare();
iRtEd->ConstructL(this,0,0,0);
iRtEd->SetFocus(ETrue);
iRtEd->RichText()->Reset();
iRtEd->SetAknEditorNumericKeymap( EAknEditorConverterNumberModeKeymap );
iRtEd->SetAknEditorCurrentInputMode ( EAknEditorNumericInputMode );
iRtEd->SetAknEditorAllowedInputModes( EAknEditorNumericInputMode );
SetRect(aRect);
iRtEd->SetBackgroundColorL(KRgbYellow);
iRtEd->TextView()->SetBackgroundColor(KRgbYellow);
ActivateL();
SetupL();
SetColor(KRgbBlack);
#ifdef __SERIES60_3X__
SetFont(EAknLogicalFontPrimarySmallFont);
#else
SetFont(CalcOperBold21());
#endif
SetVerticalAlignment(CParaFormat::EBottomAlign);
SetHorizontalAlignment(CParaFormat::ELeftAlign);
SetRightTab();
iRtEd->SetCursorPosL(iRtEd->RichText()->DocumentLength(), false);
iRtEd->RichText()->InsertL(iRtEd->RichText()->DocumentLength(), KTab);
iRtEd->SetCursorPosL(iRtEd->RichText()->DocumentLength(), false);
SetBKColor( KRgbYellow );
iIsAbout = EFalse;
iIsComplete = EFalse;
iIsOperand1 = ETrue;
iIsMinor1 = iIsMinor2 = EFalse;
iCanDecimal = ETrue;
iPosEnd = iPosStart = 1;
}
CRTEContainer::~CRTEContainer()
{
if(iRtEd)
delete iRtEd;
if(iStatusLine)
delete iStatusLine;
}
void CRTEContainer::SizeChanged()
{
TRect rect = Rect();
TInt StatusLineHeight = iStatusLine->Font()->HeightInPixels()+6;
iStatusLine->SetExtent(TPoint(0, 0),TSize(rect.Width(), StatusLineHeight));
#ifdef __SERIES60_3X__
TRect ScrollBarRect = iRtEd->ScrollBarFrame()->VerticalScrollBar()->Rect();
//In 3rd edition CEikRichTextEditor draw the view for the whole rect and
//the scrollbar doesn't show. That is a reason why CEikRichTextEditor Width() is
//rect.Width()-ScrollBarRect.Width()
iRtEd->SetExtent(TPoint(0,StatusLineHeight),
TSize(rect.Width()-ScrollBarRect.Width(), rect.Height()-StatusLineHeight));
#else
iRtEd->SetExtent(TPoint(0,StatusLineHeight),
TSize(rect.Width(), rect.Height()-StatusLineHeight));
#endif
}
// ---------------------------------------------------------
// CRTEContainer::CountComponentControls() const
// ---------------------------------------------------------
//
TInt CRTEContainer::CountComponentControls() const
{
return 2; // return number of controls inside this container
}
// ---------------------------------------------------------
// CRTEContainer::ComponentControl(TInt aIndex) const
// ---------------------------------------------------------
//
CCoeControl* CRTEContainer::ComponentControl(TInt aIndex) const
{
switch ( aIndex )
{
case 0:
return iRtEd;
case 1:
return iStatusLine;
default:
return NULL;
}
}
// ---------------------------------------------------------
// CRTEContainer::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CRTEContainer::Draw(const TRect& aRect) const
{
CWindowGc& gc = SystemGc();
gc.SetPenStyle(CGraphicsContext::ENullPen);
gc.SetBrushColor( KRgbYellow );
gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
gc.DrawRect(aRect);
}
// ---------------------------------------------------------
// OfferKeyEventL()
// Distribute the key event to the Editor
// ---------------------------------------------------------
//
TBool CRTEContainer::IsMinor()
{
UpdateText();
if( iPosStart >= iRtEd->RichText()->DocumentLength()) return EFalse;
else if( iCurrentBuf[ iPosStart ] == 45)
return ETrue;
else return EFalse;
}
TKeyResponse CRTEContainer::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)
{
TBuf<32> buf, buftest;
if (iRtEd->IsFocused())
{
/* CAknInformationNote* note = new ( ELeave ) CAknInformationNote;
TBuf<50> temp;
if(aType == EEventKey) {temp.Num( aKeyEvent.iCode );
//
note->ExecuteLD(temp);}*/
switch( aKeyEvent.iScanCode )
{
case 48 :
case 49 :
case 50 :
case 51 :
case 52 :
case 53 :
case 54 :
case 55 :
case 56 :
case 57 :
if( iIsComplete || iIsAbout )
{
iRtEd->SetCursorPosL( 0, false );
iRtEd->RichText()->DeleteL( 1, iRtEd->RichText()->DocumentLength() - 1 );
iRtEd->HandleTextChangedL();
iRtEd->SetCursorPosL( iRtEd->RichText()->DocumentLength(), false);
iPosStart = 1;
iIsOperand1 = ETrue;
iIsComplete = EFalse;
iIsAbout = EFalse;
return EKeyWasNotConsumed;
}
else break;
case 14 : //屏蔽左方向键
case 15 : //屏蔽右方向键
return EKeyWasNotConsumed;
case 167:
//iRtEd->SetCursorPosL( 0, false );
if( aType == EEventKeyDown )
{
iRtEd->RichText()->InsertL( iRtEd->RichText()->DocumentLength(), KPoint );
iRtEd->HandleTextChangedL();
iRtEd->SetCursorPosL( iRtEd->RichText()->DocumentLength(), false);
}
break;
case 16 : //上方向键
case 17 : //下方向键
if( iIsAbout )
{
iRtEd->SetCursorPosL( 0, false );
iRtEd->RichText()->DeleteL( 1, iRtEd->RichText()->DocumentLength() - 1 );
iRtEd->HandleTextChangedL();
iRtEd->SetCursorPosL( iRtEd->RichText()->DocumentLength(), false);
iPosStart = 1;
iIsOperand1 = ETrue;
iIsComplete = EFalse;
iIsAbout = EFalse;
}
if( aType == EEventKeyDown )
{
if( !IsMinor())
{
if( iIsComplete )
{
iRtEd->SetCursorPosL( 0, false );
iRtEd->RichText()->DeleteL( 1, iRtEd->RichText()->DocumentLength() - 1 );
iRtEd->HandleTextChangedL();
iRtEd->RichText()->InsertL( 1, iResult );
iRtEd->SetCursorPosL( iRtEd->RichText()->DocumentLength(), false );
iPosStart = 1;
}
iRtEd->RichText()->InsertL(iPosStart, KSub);
if( !iIsOperand1 )
{
SetColor( KRgbBlack, iPosStart, 1 );
#ifdef __SERIES60_3X__
SetFont( EAknLogicalFontPrimarySmallFont, iPosStart, 1 );
#else
SetFont( LatinPlain12(), iPosStart, 1 );
#endif
}
iRtEd->HandleTextChangedL();
iRtEd->SetCursorPosL(iRtEd->RichText()->DocumentLength(), false);
}
else
{
iRtEd->SetCursorPosL(0, false);
iRtEd->RichText()->DeleteL( iPosStart , 1 );
iRtEd->HandleTextChangedL();
iRtEd->SetCursorPosL(iRtEd->RichText()->DocumentLength(), false);
}
}
return EKeyWasNotConsumed;
case 1:
if( iIsAbout ) return EKeyWasNotConsumed;
UpdateText();
if( iRtEd->RichText()->DocumentLength() == 1)
return EKeyWasNotConsumed;
else if( aType == EEventKey && iIsComplete )
{
iRtEd->SetCursorPosL( 0, false );
iRtEd->RichText()->DeleteL( iPosEnd ,iRtEd->RichText()->DocumentLength() - iPosEnd );
iRtEd->HandleTextChangedL();
iRtEd->SetCursorPosL( iRtEd->RichText()->DocumentLength(), false);
SetFont(EAknLogicalFontPrimarySmallFont);
iIsComplete = EFalse;
iIsOperand1 = EFalse;
return EKeyWasNotConsumed;
}
else if( aType == EEventKey && iCurrentBuf[iRtEd->RichText()->DocumentLength()-1] == 9)
{
iRtEd->OfferKeyEventL(aKeyEvent, aType);
iRtEd->OfferKeyEventL(aKeyEvent, aType);
iRtEd->OfferKeyEventL(aKeyEvent, aType);
SetColor( KRgbBlack );
iPosStart = 1;
iIsOperand1 = ETrue;
iRtEd->SetCursorPosL(iRtEd->RichText()->DocumentLength(), false);
SetFont(EAknLogicalFontPrimarySmallFont);
return EKeyWasNotConsumed;
}
else if( aType == EEventKey )
return iRtEd->OfferKeyEventL(aKeyEvent, aType);
else return EKeyWasNotConsumed;
default :break;
}//end switch
return iRtEd->OfferKeyEventL(aKeyEvent, aType);
}//end if
else
{
return EKeyWasNotConsumed;
}
}
void CRTEContainer::SetHorizontalAlignment(CParaFormat::TAlignment aAlignment)
{
CParaFormat paraFormat;
TParaFormatMask paraFormatMask;
paraFormatMask.SetAttrib(EAttAlignment); // set the mask
paraFormat.iHorizontalAlignment = aAlignment;
iRtEd->ApplyParaFormatL(¶Format, paraFormatMask);
}
void CRTEContainer::SetVerticalAlignment(CParaFormat::TAlignment aAlignment)
{
CParaFormat paraFormat;
TParaFormatMask paraFormatMask;
paraFormatMask.SetAttrib(EAttAlignment); // set the mask
paraFormat.iVerticalAlignment = aAlignment;
iRtEd->ApplyParaFormatL(¶Format, paraFormatMask);
}
void CRTEContainer::SetSelectionL(TInt aCursorPos,TInt aAnchorPos)
{
iRtEd->SetSelectionL(aCursorPos,aAnchorPos);
}
void CRTEContainer::SetRightTab()
{
CParaFormat paraFormat;
TParaFormatMask paraFormatMask;
tabstop.iType = TTabStop::ERightTab;
tabstop.iTwipsPosition = 1950;
paraFormatMask.SetAttrib(EAttTabStop);
paraFormat.StoreTabL( tabstop );
iRtEd->ApplyParaFormatL(¶Format,paraFormatMask);
}
void CRTEContainer::SetCharacterBIUAttribL(CEikGlobalTextEditor::TFontStyleFlags aFontFlags)
{
iRtEd->BoldItalicUnderlineEventL(aFontFlags);
//Echo(R_TYPE_DIALOG_TBUF_INDICATOR_CHARACTER_FORMAT);
}
#ifdef __SERIES60_3X__
// ----------------------------------------------------
// SetFont(TInt aFontId)
// Change the text's font in the editor
// to the one specified as input parameter for the function
// ----------------------------------------------------
void CRTEContainer::SetFont(TInt aFontId)
{
const CFont* logicalFont = AknLayoutUtils::FontFromId(aFontId);
TFontSpec fontspec = logicalFont->FontSpecInTwips();
TCharFormat charFormat(fontspec.iTypeface.iName, fontspec.iHeight);
TCharFormatMask charFormatMask;
charFormatMask.SetAttrib(EAttFontTypeface);
charFormatMask.SetAttrib(EAttFontHeight);
iRtEd->ApplyCharFormatL(charFormat, charFormatMask);
Echo(R_TYPE_DIALOG_TBUF_INDICATOR_FONT);
}
#else
void CRTEContainer::SetFont(const CFont *aFont)
{
TFontSpec fontspec = aFont->FontSpecInTwips();
TCharFormat charFormat( fontspec.iTypeface.iName, fontspec.iHeight );
TCharFormatMask charFormatMask;
charFormatMask.SetAttrib(EAttFontTypeface);
charFormatMask.SetAttrib(EAttFontHeight);
iRtEd->ApplyCharFormatL(charFormat, charFormatMask);
}
#endif
#ifdef __SERIES60_3X__
void CRTEContainer::SetFont(TInt aFontId, TInt aPos, TInt aLength)
{
// Get a logical font to base my font on:
const CFont* logicalFont = AknLayoutUtils::FontFromId(aFontId);
// Extract font information
TFontSpec fontspec = logicalFont->FontSpecInTwips();
TCharFormat charFormat(fontspec.iTypeface.iName, fontspec.iHeight);
TCharFormatMask charFormatMask;
charFormatMask.SetAttrib(EAttFontTypeface);
charFormatMask.SetAttrib(EAttFontHeight);
iRtEd->RichText()->ApplyCharFormatL(charFormat, charFormatMask, aPos, aLength);
Echo(R_TYPE_DIALOG_TBUF_INDICATOR_FONT);
}
#else
void CRTEContainer::SetFont(const CFont *aFont, TInt aPos, TInt aLength)
{
TFontSpec fontspec = aFont->FontSpecInTwips();
TCharFormat charFormat( fontspec.iTypeface.iName, fontspec.iHeight );
TCharFormatMask charFormatMask;
charFormatMask.SetAttrib(EAttFontTypeface);
charFormatMask.SetAttrib(EAttFontHeight);
iRtEd->RichText()->ApplyCharFormatL(charFormat, charFormatMask, aPos, aLength);
}
#endif
void CRTEContainer::SetColor(TRgb aColor)
{
TCharFormat charFormat;
TCharFormatMask charFormatMask;
charFormat.iFontPresentation.iTextColor = aColor;
charFormatMask.SetAttrib(EAttColor);
iRtEd->ApplyCharFormatL(charFormat, charFormatMask );
}
void CRTEContainer::SetColor(TRgb aColor, TInt aPos, TInt aLength )
{
TCharFormat charFormat;
TCharFormatMask charFormatMask;
charFormat.iFontPresentation.iTextColor = aColor;
charFormatMask.SetAttrib(EAttColor);
iRtEd->RichText()->ApplyCharFormatL(charFormat, charFormatMask, aPos, aLength );
}
void CRTEContainer::Echo(TInt aMessage)
{
TBuf<32> buf;
CEikonEnv::Static()->ReadResource(buf, aMessage);
iStatusLine->SetTextL(buf);
}⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -