browserutilities/feedsengine/FeedsUI/Common/src/RichTextEditor.cpp
author Peter Fordham <peter.fordham@gmail.com>
Fri, 05 Mar 2010 16:30:46 -0800
branchCompilerCompatibility
changeset 53 0209b9093082
parent 0 dd21522fd290
permissions -rw-r--r--
Bug 2166 - Remove unnecessary token pasting from macros
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Specialization of CEikRichTextEditor. Needed for enabling view 
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*                by view scrolling.
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*
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*/
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#include <frmtlay.h>
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#include "FeedsViewMgr.hrh"
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#include "RichTextEditor.h"
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// -----------------------------------------------------------------------------
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// CRichTextEditor::GetNumberOfLines
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//
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// Returns the total number of formatted lines in this text.
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// -----------------------------------------------------------------------------
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//
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TInt CRichTextEditor::GetNumberOfLines()
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    {
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    return CEikEdwin::iLayout->NumFormattedLines();
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    }
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// -----------------------------------------------------------------------------
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// CRichTextEditor::MoveCursorL
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//
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// Handles the view by view scrolling.
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// -----------------------------------------------------------------------------
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//
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void CRichTextEditor::MoveCursorL(TCursorPosition::TMovementType aMovement, TBool aSelect)
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    {
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    TInt numberOfLines(GetNumberOfLines());
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    TInt currentLine(GetLinePos(CursorPos()));
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    TInt targetLine(0);
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    switch(aMovement)
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        {
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        case TCursorPosition::EFPageDown:
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            targetLine = currentLine + KNumberOfLinesInRichTextEditor;
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            if (targetLine < numberOfLines)
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                {
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                SetCursorPosL(Get1stCharInLine(numberOfLines), aSelect);
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                SetCursorPosL(Get1stCharInLine(targetLine), aSelect);
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                }
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            break;
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        case TCursorPosition::EFPageUp:
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            targetLine = currentLine - KNumberOfLinesInRichTextEditor;
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            if (targetLine >= 0)
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                {
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                SetCursorPosL(0, aSelect);
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                SetCursorPosL(Get1stCharInLine(targetLine), aSelect);
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                }
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            break;
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        default:
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            break;
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        }
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    }
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// -----------------------------------------------------------------------------
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// CRichTextEditor::GetLinePos
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//
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// Returns the line number of a given char position.
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// -----------------------------------------------------------------------------
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//
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TInt CRichTextEditor::GetLinePos(TInt aPos) 
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    { 
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    return CEikEdwin::iLayout->GetLineNumber(aPos) + 1;
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    }
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// -----------------------------------------------------------------------------
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// CRichTextEditor::Get1stCharInLine
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//
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// The 1st character in the given line.
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// -----------------------------------------------------------------------------
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//
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TInt CRichTextEditor::Get1stCharInLine(TInt aLinePos) 
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    {
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    return CEikEdwin::iLayout->FirstCharOnLine(aLinePos);
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    }
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