1 /*

     2 * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * Definitions of non-printing characters' visibility classes.

    16 *

    17 */

    18 

    19 

    20 #include <s32strm.h>

    21 #include "FRMVIS.H"

    22 

    23 EXPORT_C TNonPrintingCharVisibility::TNonPrintingCharVisibility()

    24 	:iVisible(EFNothingVisible)

    25 	{}

    26 

    27 

    28 EXPORT_C TNonPrintingCharVisibility::TNonPrintingCharVisibility(const TNonPrintingCharVisibility& aVisibility)

    29 	:iVisible(aVisibility.iVisible)

    30 	{}

    31 

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

    33 	{

    34 	iVisible=aVisibility.iVisible;

    35 	return *this;

    36 	}

    37 

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

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

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

    41 

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

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

    44 	{

    45 	aStream.WriteUint32L(iVisible);

    46 	}

    47 

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

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

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

    51 

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

    53 EXPORT_C void TNonPrintingCharVisibility::InternalizeL(RReadStream& aStream)

    54 	{

    55 	iVisible=aStream.ReadUint32L();

    56 	}

    57 

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

    59 EXPORT_C void TNonPrintingCharVisibility::SetAllVisible()

    60 	{

    61 	iVisible=(TUint32)EFEverythingVisible;

    62 	}

    63 

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

    65 EXPORT_C void TNonPrintingCharVisibility::SetNoneVisible()

    66 	{

    67 	iVisible=EFNothingVisible;

    68 	}

    69 

    70 /** Sets the visibility of tab stops.

    71 

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

    73 EXPORT_C void TNonPrintingCharVisibility::SetTabsVisible(TBool aVisible)

    74 	{

    75 	iVisible = aVisible?

    76 		iVisible | EFTabsVisible : iVisible & ~EFTabsVisible;

    77 	}

    78 

    79 /** Sets the visibility of space characters.

    80 

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

    82 EXPORT_C void TNonPrintingCharVisibility::SetSpacesVisible(TBool aVisible)

    83 	{

    84 	iVisible = aVisible?

    85 		iVisible | EFSpacesVisible : iVisible & ~EFSpacesVisible;

    86 	}

    87 

    88 /** Sets the visibility of paragraph delimiters.

    89 

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

    91 EXPORT_C void TNonPrintingCharVisibility::SetParagraphDelimitersVisible(TBool aVisible)

    92 	{

    93 	iVisible = aVisible?

    94 		iVisible | EFParagraphDelimitersVisible

    95 		: iVisible & ~EFParagraphDelimitersVisible;

    96 	}

    97 

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

    99 new paragraph).

   100 

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

   102 EXPORT_C void TNonPrintingCharVisibility::SetLineBreaksVisible(TBool aVisible)

   103 	{

   104 	iVisible = aVisible?

   105 		iVisible | EFLineBreaksVisible : iVisible & ~EFLineBreaksVisible;

   106 	}

   107 

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

   109 within a word).

   110 

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

   112 EXPORT_C void TNonPrintingCharVisibility::SetPotentialHyphensVisible(TBool aVisible)

   113 	{

   114 	iVisible = aVisible?

   115 		iVisible | EFPotentialHyphensVisible

   116 		: iVisible & ~EFPotentialHyphensVisible;

   117 	}

   118 

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

   120 on the same line).

   121 

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

   123 EXPORT_C void TNonPrintingCharVisibility::SetNonBreakingHyphensVisible(TBool aVisible)

   124 	{

   125 	iVisible = aVisible?

   126 		iVisible | EFNonBreakingHyphensVisible

   127 		: iVisible & ~EFNonBreakingHyphensVisible;

   128 	}

   129 

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

   131 

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

   133 EXPORT_C void TNonPrintingCharVisibility::SetNonBreakingSpacesVisible(TBool aVisible)

   134 	{

   135 	iVisible = aVisible?

   136 		iVisible | EFNonBreakingSpacesVisible

   137 		: iVisible & ~EFNonBreakingSpacesVisible;

   138 	}

   139 

   140 /** Sets the visibility of page breaks.

   141 

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

   143 EXPORT_C void TNonPrintingCharVisibility::SetPageBreaksVisible(TBool aVisible)

   144 	{

   145 	iVisible = aVisible?

   146 		iVisible | EFPageBreaksVisible

   147 		: iVisible & ~EFPageBreaksVisible;

   148 	}