1 <?xml version="1.0" encoding="utf-8"?>

     2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->

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     7     Nokia Corporation - initial contribution.

     8 Contributors: 

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    10 <!DOCTYPE concept

    11   PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">

    12 <concept xml:lang="en" id="GUID-1B58FBA8-4E2C-5A99-A4B7-D7475E1B8F96"><title>How to use wrapping</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>After any operation which resizes the <keyword>text

    13         area</keyword>, the wrapping width may need to be changed. The code in this section resets the view rectangle, and then resets the wrapping width accordingly.</p> <ul><li id="GUID-0027B472-465C-537F-8F40-641997F362A1"><p>Resize the view rectangle (an instance of class <xref href="GUID-101762DC-E498-3325-88AB-B0FF17DC62B6.dita"><apiname>TRect</apiname></xref>) by shrinking it by forty pixels in both directions.</p> </li> <li id="GUID-49E7E1FD-C954-5097-B11F-AE0FF9ED9384"><p>Reset the view rectangle using <xref href="GUID-CF377A98-F11F-380F-AD10-7F3E261D4421.dita#GUID-CF377A98-F11F-380F-AD10-7F3E261D4421/GUID-3D04D758-B829-34C6-9B22-C51F58D0316C"><apiname>CTextView::SetViewRect()</apiname></xref>.</p> </li> </ul> <codeblock id="GUID-1F0FBF4A-BF54-5926-A7B6-564E8136646B" xml:space="preserve">iViewRect.Shrink(40,40);

    14 iTextView->SetViewRect(iViewRect);

    15 iTextView->HandleGlobalChangeL(); 

    16     // update formatting and draw the completely revamped view</codeblock> <p>The following code sets the wrapping width to be the width of the new view rectangle minus the total margin width, so that text wraps at the right hand edge of the view rectangle.</p> <ul><li id="GUID-BF3388F7-13D4-5C72-959E-751CDA7D9C10"><p>To ensure that text wrapping is set, use <xref href="GUID-FEE7C848-2E93-3848-A3DA-7EAA533615AF.dita#GUID-FEE7C848-2E93-3848-A3DA-7EAA533615AF/GUID-B8C93ECC-1BEA-321F-AF2A-AF534212900F"><apiname>CTextLayout::DisableWrapOverride(EFalse)</apiname></xref>. By default, wrapping is set.</p> </li> <li id="GUID-B27EE3E1-0716-563B-9063-5A3463412636"><p>As the wrapping width is a global document characteristic, changes to it may be handled using <xref href="GUID-CF377A98-F11F-380F-AD10-7F3E261D4421.dita#GUID-CF377A98-F11F-380F-AD10-7F3E261D4421/GUID-903D1087-42CB-32EB-8379-7B019936AD16"><apiname>CTextView::HandleGlobalChangeL()</apiname></xref>.</p> </li> </ul> <codeblock id="GUID-C92925E0-AE52-507E-93AA-7653BE7107B9" xml:space="preserve">// Wrap text to new view rectangle

    17 TInt labelsWidth,lineCursorWidth;

    18 // Get both margin widths

    19 iTextView->MarginWidths(labelsWidth,lineCursorWidth);

    20 // New wrap width = new view rect width minus total margin width

    21 iLayout->SetWrapWidth(iViewRect.Width()-(labelsWidth+lineCursorWidth));

    22 iLayout->DisableWrapOverride(EFalse); // Ensure wrapping on

    23 iTextView-&gt;HandleGlobalChangeL();</codeblock> </conbody></concept>