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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
<!-- BEGIN META TAG INFO -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
<link rel="find" href="http://developer.apple.com/search/">
<link rel="stylesheet" type="text/css" href="../../documentation/css/adcstyle.css" title="fonts">
<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
<!-- END META TAG INFO -->
<!-- BEGIN TITLE -->
<title>LayoutManagerDemo</title>
<!-- END TITLE -->
<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
<!-- BEGIN BODY OPEN -->
<body><a name="//apple_ref/doc/uid/DTS10000394" title="LayoutManagerDemo"></a>
<!--END BODY OPEN -->
<!-- START CENTER OPEN -->
<center>
<!-- END CENTER OPEN -->
<!-- BEGIN LOGO AND SEARCH -->
<!--#include virtual="/includes/adcnavbar"-->
<!-- END LOGO AND SEARCH -->
<!-- START BREADCRUMB -->
<div id="breadcrumb">
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td scope="row"><img width="340" height="10" src="images/1dot.gif" alt=""></td>
<td><img width="340" height="10" src="images/1dot.gif" alt=""></td>
</tr>
<tr valign="middle">
<td align="left" colspan="2">
<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/Cocoa/index.html">Cocoa</a> > <a href="../../samplecode/Cocoa/idxTextFonts-date.html">Text & Fonts</a> >
</td>
</tr>
<tr>
<td colspan="2" scope="row"><img width="680" height="35" src="images/1dot.gif" alt=""></td>
</tr>
</table>
</div>
<!-- END BREADCRUMB -->
<!-- START MAIN CONTENT -->
<!-- START TITLE GRAPHIC AND INTRO-->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td><h1><div id="pagehead">LayoutManagerDemo</div></h1></td>
</tr>
</table>
<!-- END TITLE GRAPHIC AND INTRO -->
<!-- START WIDE COLUMN -->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td id="scdetails">
<p><strong>Version:</strong> 1.0</p>
<p><strong>Posted:</strong> 2003-01-14</p>
<p><strong>Build Requirements:</strong> N/A</p>
<p><strong>Runtime Requirements:</strong> Mac OS X Mac OS X, Project Builder 2.0 or later (project file can be downgraded)</p>
<form name="scpopupmenu" onSubmit="return false;" method=post>
<p><strong>View Source Code:</strong>
<select name="gotop" onChange="JumpToNewPage();" style="width:340px"><option selected value="ingnore">Select File</option>
<option value="listing1.html">/main.m</option>
<option value="listing2.html">/MouseOverTextView.h</option>
<option value="listing3.html">/MouseOverTextView.m</option></select>
</p>
</form>
<p><strong><a href="LayoutManagerDemo.zip">Download Sample</a></strong> (“LayoutManagerDemo.zip”, 30.8K)<BR>
<strong><a href="LayoutManagerDemo.dmg">Download Sample</a></strong> (“LayoutManagerDemo.dmg”, 82.0K)</p>
</td>
</tr>
<tr>
<td scope="row"><img width="680" height="10" src="images/1dot.gif" alt=""><br>
<img height="1" width="680" src="images/1dot_919699.gif" alt=""><br>
<img width="680" height="20" src="images/1dot.gif" alt=""></td>
</tr>
<tr>
<td scope="row">
<h2>Description</h2>
<p>This application demonstrates interrogating the layout manager for information about text layout, and the use of temporary attributes to color text. Specifically, we provide rollover coloring of text--one color for the line, another for the word, and a third for the character under the mouse. A subclass of NSTextView is used, but solely for the purpose of obtaining mouse events. The interesting portion of the code involves the conversion of mouse coordinates to a particular glyph and character index, then determining the corresponding line and word, and finally using temporary attributes for coloring. Requirements: Mac OS X, Project Builder 2.0 or later (project file can be downgraded) Keywords: NSLayoutManager cocoa text nslayoutmanager</p>
<h2>Document Revision History</h2>
<table cellspacing="0" class="graybox" width="680">
<tr>
<th width="100">Date</th>
<th width="580">Notes</th>
</tr>
<tr><td scope="row">2003-01-14</td><td>Demonstrates the layout manager using rollovers with different colors for lines, words and characters under the mouse.</td></tr>
</table>
</td>
</tr>
</table>
<!-- END WIDE COLUMN -->
<!-- END MAIN CONTENT -->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td><div style="width: 100%; height: 1px; background-color: #919699; margin-top: 5px; margin-bottom: 15px"></div></td>
</tr>
<tr>
<td align="center"><br/>
<table border="0" cellpadding="0" cellspacing="0" class="graybox">
<tr>
<th>Did this document help you?</th>
</tr>
<tr>
<td>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/LayoutManagerDemo/index.html%3Fid%3DDTS10000394-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=2&url=/samplecode/LayoutManagerDemo/index.html%3Fid%3DDTS10000394-1.0&media=dvd" target=_new>It’s good, but:</a> Report typos, inaccuracies, and so forth.</div>
<div><a href="http://developer.apple.com/feedback/?v=3&url=/samplecode/LayoutManagerDemo/index.html%3Fid%3DDTS10000394-1.0&media=dvd" target=_new>It wasn’t helpful</a>: Tell us what would have helped.</div>
</td>
</tr>
</table>
</td>
</tr>
</table>
<!-- START BOTTOM APPLE NAVIGATION -->
<!--#include virtual="/includes/footer"-->
<!-- END BOTTOM APPLE NAVIGATION -->
<!-- START CENTER CLOSE -->
</center>
<!-- END CENTER CLOSE -->
</body>
</html>