/*

* Copyright (c) 1997-2009 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: 

* Definitions of non-printing characters' visibility classes.

*

*/

#include <s32strm.h>

#include "FRMVIS.H"

EXPORT_C TNonPrintingCharVisibility::TNonPrintingCharVisibility()

	:iVisible(EFNothingVisible)

	{}

EXPORT_C TNonPrintingCharVisibility::TNonPrintingCharVisibility(const TNonPrintingCharVisibility& aVisibility)

	:iVisible(aVisibility.iVisible)

	{}

EXPORT_C TNonPrintingCharVisibility& TNonPrintingCharVisibility::operator=(const TNonPrintingCharVisibility& aVisibility)

	{

	iVisible=aVisibility.iVisible;

	return *this;

	}

/** Externalises a TNonPrintingCharVisibility object to a write stream. The

presence of this function means that the standard templated operator<<()

(defined in s32strm.h) is available to externalise objects of this class.

@param aStream Stream to which the object should be externalised. */

EXPORT_C void TNonPrintingCharVisibility::ExternalizeL(RWriteStream& aStream)const

	{

	aStream.WriteUint32L(iVisible);

	}

/** Internalises a TNonPrintingCharVisibility object from a read stream. The

presence of this function means that the standard templated operator>>()

(defined in s32strm.h) is available to internalise objects of this class.

@param aStream Stream from which the object should be internalised. */

EXPORT_C void TNonPrintingCharVisibility::InternalizeL(RReadStream& aStream)

	{

	iVisible=aStream.ReadUint32L();

	}

/** Sets all non-printing characters to be drawn using symbols. */

EXPORT_C void TNonPrintingCharVisibility::SetAllVisible()

	{

	iVisible=(TUint32)EFEverythingVisible;

	}

/** Sets all non-printing characters to be hidden. */

EXPORT_C void TNonPrintingCharVisibility::SetNoneVisible()

	{

	iVisible=EFNothingVisible;

	}

/** Sets the visibility of tab stops.

@param aVisible True for visible tab stops. False for hidden. */

EXPORT_C void TNonPrintingCharVisibility::SetTabsVisible(TBool aVisible)

	{

	iVisible = aVisible?

		iVisible | EFTabsVisible : iVisible & ~EFTabsVisible;

	}

/** Sets the visibility of space characters.

@param aVisible True for visible space characters. False for hidden. */

EXPORT_C void TNonPrintingCharVisibility::SetSpacesVisible(TBool aVisible)

	{

	iVisible = aVisible?

		iVisible | EFSpacesVisible : iVisible & ~EFSpacesVisible;

	}

/** Sets the visibility of paragraph delimiters.

@param aVisible True for visible paragraph delimiters, false for hidden. */

EXPORT_C void TNonPrintingCharVisibility::SetParagraphDelimitersVisible(TBool aVisible)

	{

	iVisible = aVisible?

		iVisible | EFParagraphDelimitersVisible

		: iVisible & ~EFParagraphDelimitersVisible;

	}

/** Sets the visibility of line breaks (force a new line without beginning a

new paragraph).

@param aVisible True for visible line breaks. False for hidden. */

EXPORT_C void TNonPrintingCharVisibility::SetLineBreaksVisible(TBool aVisible)

	{

	iVisible = aVisible?

		iVisible | EFLineBreaksVisible : iVisible & ~EFLineBreaksVisible;

	}

/** Sets the visibility of potential hyphens (inserted before a line break

within a word).

@param aVisible True for visible potential hyphens, false for hidden. */

EXPORT_C void TNonPrintingCharVisibility::SetPotentialHyphensVisible(TBool aVisible)

	{

	iVisible = aVisible?

		iVisible | EFPotentialHyphensVisible

		: iVisible & ~EFPotentialHyphensVisible;

	}

/** Sets the visibility of non-breaking hyphens (enclosing word is always kept

on the same line).

@param aVisible True for visible non-breaking hyphens, false for hidden. */

EXPORT_C void TNonPrintingCharVisibility::SetNonBreakingHyphensVisible(TBool aVisible)

	{

	iVisible = aVisible?

		iVisible | EFNonBreakingHyphensVisible

		: iVisible & ~EFNonBreakingHyphensVisible;

	}

/** Sets the visibility of non-breaking spaces.

@param aVisible True for visible non-breaking spaces, false for hidden. */

EXPORT_C void TNonPrintingCharVisibility::SetNonBreakingSpacesVisible(TBool aVisible)

	{

	iVisible = aVisible?

		iVisible | EFNonBreakingSpacesVisible

		: iVisible & ~EFNonBreakingSpacesVisible;

	}

/** Sets the visibility of page breaks.

@param aVisible True for visible page breaks, false for hidden. */

EXPORT_C void TNonPrintingCharVisibility::SetPageBreaksVisible(TBool aVisible)

	{

	iVisible = aVisible?

		iVisible | EFPageBreaksVisible

		: iVisible & ~EFPageBreaksVisible;

	}