--- a/textinput/peninputcommonctrls/src/peninputdropdownlist/peninputcandidate.cpp Wed Jun 23 04:57:58 2010 +0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,334 +0,0 @@
-/*
-* Copyright (c) 2002-2005 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0""
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: candidate stands for every cell in drop down list
-*
-*/
-
-
-#include <gdi.h>
-#include <e32base.h>
-#include <w32std.h>
-#include <biditext.h>
-
-#include "peninputcandidate.h"
-#include "peninputdropdownlist.h"
-
-_LIT(KEllipsis, "\x2026");
-
-// ======== MEMBER FUNCTIONS ========
-
-// Implementation of Class CCandidate
-
-CCandidate* CCandidate::NewL(const TDesC& aString,
- MFepCtrlDropdownListContext* aOwner)
- {
- CCandidate* self = new (ELeave) CCandidate(aString, aOwner); // Q: is here will call ctor of base class?
- CleanupStack::PushL(self);
- self->ConstructL();
- CleanupStack::Pop();
- return self;
- }
-
-void CCandidate::ConstructL()
- {
- iDisplayText = iCandidate.AllocL();
- }
-
-// -----------------------------------------------------------------------------
-// CCandidate::CCandidate
-// construct function
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-CCandidate::CCandidate(const TDesC& aString, MFepCtrlDropdownListContext* aOwner)
-: iCandidate(aString),iBaselineOffset(0), iOwner(aOwner)
- {
- }
-
-// -----------------------------------------------------------------------------
-// CCandidate::~CCandidate
-// destructor function
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-CCandidate::~CCandidate()
- {
- delete iDisplayText;
- }
-
-// -----------------------------------------------------------------------------
-// CCandidate::GetCandidate
-// get candidate string
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-const TDesC& CCandidate::GetCandidate()
- {
- return iCandidate;
- }
-
-// -----------------------------------------------------------------------------
-// CCandidate::GetRect
-// get rect of the candidate
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-const TRect& CCandidate::GetRect() const
- {
- return iRect;
- }
-
-// -----------------------------------------------------------------------------
-// CCandidate::Move
-// move rect of the candidate
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCandidate::Move(const TPoint& aOffsetPoint)
- {
- iRect.Move(aOffsetPoint);
- }
-
-// -----------------------------------------------------------------------------
-// CCandidate::SetPosition
-// set position for the candidate
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-TInt CCandidate::SetPositionL(const TPoint& aLeftTopPosition,
- TInt aWidthForOneUnit,
- TInt aHeight,
- const CFont* aTextFont,
- TInt aCellHorizontalMargin)
- {
- iTextFont = aTextFont;
-
- // Calculate base line offset
- iBaselineOffset = aHeight/2 + aTextFont->AscentInPixels()/2 ;
-
- // Calculate the cell for the candidate
- //const TInt cellCount = CalculateCells(aWidthForOneUnit, aTextFont);
- const TInt cellCount = CalculateDisplayTextL(aWidthForOneUnit, aTextFont, iOwner->GetColNum());
-
- // modified by txin
- // original:
- /*
- iRect.iBr = aLeftTopPosition;
-
- iRect.SetRect(aLeftTopPosition,
- TSize(cellCount * aWidthForOneUnit + (cellCount - 1) * aCellHorizontalMargin,
- aHeight));
- */
- // if owner's horizontal direction is RToL, then aLeftTopPosition actually mean RightTop pos
- TInt candHDir = iOwner->CandHDirection();
- TSize candSize = TSize(cellCount * aWidthForOneUnit + (cellCount - 1) * aCellHorizontalMargin,
- aHeight);
- (candHDir == CFepCtrlDropdownList::ECandFromLToR) ?
- iRect.SetRect(aLeftTopPosition, candSize) :
- iRect.SetRect(TPoint(aLeftTopPosition.iX - candSize.iWidth, aLeftTopPosition.iY), candSize);
- // end modify
-
- return cellCount;
- }
-
-// -----------------------------------------------------------------------------
-// CCandidate::DrawText
-// draw text of the candidate
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCandidate::DrawText(CFbsBitGc& aGc, const CGraphicsContext::TTextAlign aAlignment,
- const TInt aTextMargin, TRgb aTextColor,
- TRgb aSpecialTextColor, const TDesC& aFixedText)
- {
-
- aGc.SetBrushStyle(CGraphicsContext::ENullBrush);
- if ( aFixedText.Length() == 0 )
- {
- // If fixed text has no any data
- aGc.SetPenColor(aTextColor);
- if(TBidiText::TextDirectionality( *iDisplayText ) == TBidiText:: ERightToLeft)
- {
- // If find the fixed text in the candidate and the index is equal to 0
- TInt posX = 0;
- if(!iTextFont)
- {
- iTextFont = iOwner->GetFont();
- }
- if ( aAlignment == CGraphicsContext::ECenter )
- {
- posX = iRect.iTl.iX +
- (iRect.Width() - iTextFont->TextWidthInPixels(*iDisplayText)) / 2;
- }
- else if ( aAlignment == CGraphicsContext::ELeft )
- {
- posX = iRect.iTl.iX + aTextMargin;
- }
- else if ( aAlignment == CGraphicsContext::ERight )
- {
- posX = iRect.iTl.iX + iRect.Width() -
- iTextFont->TextWidthInPixels(*iDisplayText) - aTextMargin;
- }
-
- CGraphicsContext::TDrawTextExtendedParam param;
- param.iParRightToLeft = ETrue;
- aGc.DrawTextExtended(*iDisplayText, TPoint(posX,iRect.iTl.iY + iBaselineOffset), param);
- }
- else
- {
- aGc.DrawText( *iDisplayText, iRect, iBaselineOffset, aAlignment);
- }
- }
- else
- {
- if ( iCandidate.Find(aFixedText) == 0 )
- {
- // If find the fixed text in the candidate and the index is equal to 0
- TInt posX = 0;
- if(!iTextFont)
- {
- iTextFont = iOwner->GetFont();
- }
- if ( aAlignment == CGraphicsContext::ECenter )
- {
- posX = iRect.iTl.iX +
- (iRect.Width() - iTextFont->TextWidthInPixels(iCandidate)) / 2;
- }
- else if ( aAlignment == CGraphicsContext::ELeft )
- {
- posX = iRect.iTl.iX + aTextMargin;
- }
- else if ( aAlignment == CGraphicsContext::ERight )
- {
- posX = iRect.iTl.iX + iRect.Width() -
- iTextFont->TextWidthInPixels(iCandidate) - aTextMargin;
- }
-
-
- // Draw Fixed text
- aGc.SetPenColor(aTextColor);
- aGc.DrawText(aFixedText, TPoint(posX,iRect.iTl.iY + iBaselineOffset));
-
- // Snatch the special text
- TPtrC buf = iCandidate.Mid(aFixedText.Length());
-
- // Set X position for the special text
- posX = posX + iTextFont->TextWidthInPixels(aFixedText);
-
- // Draw special text
- aGc.SetPenColor(aSpecialTextColor);
- aGc.DrawText(buf, TPoint(posX, iRect.iTl.iY + iBaselineOffset));
- }
- else
- {
- aGc.SetPenColor(aTextColor);
- if(TBidiText::TextDirectionality( iCandidate ) == TBidiText:: ERightToLeft)
- {
- // If find the fixed text in the candidate and the index is equal to 0
- TInt posX = 0;
- if(!iTextFont)
- {
- iTextFont = iOwner->GetFont();
- }
- if ( aAlignment == CGraphicsContext::ECenter )
- {
- posX = iRect.iTl.iX +
- (iRect.Width() - iTextFont->TextWidthInPixels(iCandidate)) / 2;
- }
- else if ( aAlignment == CGraphicsContext::ELeft )
- {
- posX = iRect.iTl.iX + aTextMargin;
- }
- else if ( aAlignment == CGraphicsContext::ERight )
- {
- posX = iRect.iTl.iX + iRect.Width() -
- iTextFont->TextWidthInPixels(iCandidate) - aTextMargin;
- }
-
- CGraphicsContext::TDrawTextExtendedParam param;
- param.iParRightToLeft = ETrue;
- aGc.DrawTextExtended(iCandidate, TPoint(posX,iRect.iTl.iY + iBaselineOffset), param);
- }
- else
- {
- aGc.DrawText( iCandidate, iRect, iBaselineOffset, CGraphicsContext::ECenter);
- }
- }
- }
- }
-
-// -----------------------------------------------------------------------------
-// CCandidate::CalculateCells
-// calculate the cell for the candidate
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-TInt CCandidate::CalculateCells(const TInt aWidthForOneUnit,
- const CFont* aTextFont,
- const TDesC& aText)
- {
- const TInt width = aTextFont->TextWidthInPixels(aText) + 2 * iOwner->GetTextMargin();
-
- if (width <= aWidthForOneUnit)
- {
- return 1;
- }
-
- return (width + aWidthForOneUnit +
- iOwner->GetCellHorizontalMargin() - 1)/(aWidthForOneUnit + iOwner->GetCellHorizontalMargin());
- }
-
-TInt CCandidate::CalculateDisplayTextL(const TInt aWidthForOneUnit,
- const CFont* aTextFont,
- TInt aColNum)
- {
- TInt cellcnt = CalculateCells(aWidthForOneUnit, aTextFont, *iDisplayText);
-
- if (cellcnt <= aColNum)
- {
- return cellcnt;
- }
-
- TPtr ptr = iDisplayText->Des();
-
- if (iOwner->CandTruncateType() == CFepCtrlDropdownList::ECandTruncateFromBeginning)
- {
- while (cellcnt > aColNum && ptr.Length() > 0)
- {
- ptr.Delete(0, 1);
- cellcnt = CalculateCells(aWidthForOneUnit, aTextFont, ptr);
- }
- }
- else if (iOwner->CandTruncateType() == CFepCtrlDropdownList::ECandTruncateAsEllipsis)
- {
- while (cellcnt > aColNum && ptr.Length() > 1)
- {
- ptr.Delete(ptr.Length()-2, 2);
- ptr.Append(KEllipsis);
- cellcnt = CalculateCells(aWidthForOneUnit, aTextFont, ptr);
- }
- }
- else if (iOwner->CandTruncateType() == CFepCtrlDropdownList::ECandTruncateFromEnd)
- {
- while (cellcnt > aColNum && ptr.Length() > 0)
- {
- ptr.Delete(ptr.Length()-1, 1);
- cellcnt = CalculateCells(aWidthForOneUnit, aTextFont, ptr);
- }
- }
-
- return cellcnt;
- }
-
-// End Of File