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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>MLTE_CustomScrolling - /SampleTXNScrollCode.h</title>
<!-- END TITLE -->
<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
<!-- BEGIN BODY OPEN -->
<body>
<!--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/Carbon/index.html">Carbon</a> > <a href="../../samplecode/Carbon/idxHumanInterfaceToolbox-date.html">Human Interface Toolbox</a> > <A HREF="javascript:location.replace('index.html');">MLTE_CustomScrolling</A> >
</td>
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<td colspan="2" scope="row"><img width="680" height="35" src="images/1dot.gif" alt=""></td>
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</table>
</div>
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<!-- 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">MLTE_CustomScrolling</div></h1></td>
</tr>
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<td id="scdetails">
<h2>/SampleTXNScrollCode.h</h2>
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<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.cpp</option>
<option value="listing2.html">/SampleTXNScrollCode.cpp</option>
<option value="listing3.html">/SampleTXNScrollCode.h</option></select>
</p>
</form>
<p><strong><a href="MLTE_CustomScrolling.zip">Download Sample</a></strong> (“MLTE_CustomScrolling.zip”, 233.4K)<BR>
<strong><a href="MLTE_CustomScrolling.dmg">Download Sample</a></strong> (“MLTE_CustomScrolling.dmg”, 316.0K)</p>
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<p><strong><a href="#">Download Sample</a></strong> (“filename.sit”, 500K)</p>
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<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>
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<td scope="row">
<!--googleon: index -->
<pre class="sourcecodebox">/*
* File: SampleTXNScrollCode.h of MLTECustomScrolling
*
* Created: 2003/12/05
*
* Contains: Demo declarations for functions called in main.cpp to set up an MLTE object
* for custom scrolling.
*
* Copyright: Copyright © 2004 Apple Computer, Inc., All Rights Reserved
*
* Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in
* consideration of your agreement to the following terms, and your use, installation, modification
* or redistribution of this Apple software constitutes acceptance of these terms. If you do
* not agree with these terms, please do not use, install, modify or redistribute this Apple
* software.
*
* In consideration of your agreement to abide by the following terms, and subject to these terms,
* Apple grants you a personal, non-exclusive license, under Apple's copyrights in this
* original Apple software (the "Apple Software"), to use, reproduce, modify and redistribute the
* Apple Software, with or without modifications, in source and/or binary forms; provided that if you
* redistribute the Apple Software in its entirety and without modifications, you must retain this
* notice and the following text and disclaimers in all such redistributions of the Apple Software.
* Neither the name, trademarks, service marks or logos of Apple Computer, Inc. may be used to
* endorse or promote products derived from the Apple Software without specific prior written
* permission from Apple. Except as expressly stated in this notice, no other rights or
* licenses, express or implied, are granted by Apple herein, including but not limited to any
* patent rights that may be infringed by your derivative works or by other works in which the
* Apple Software may be incorporated.
*
* The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES, EXPRESS OR
* IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE
* OR IN COMBINATION WITH YOUR PRODUCTS.
*
* IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE,
* REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER
* UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN
* IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define _COMPILE_SAMPLE_SCROLL_CODE_ 1
#if _COMPILE_SAMPLE_SCROLL_CODE_
#include <Carbon/Carbon.h>
enum
{
// arbitrary tag to identify scrollbar as vertical or horizontal
// you could change these values to whatever you prefer
kMyVerticalScrollBar = 'Vscr',
kMyHorizontalScrollBar = 'Hscr',
// arbitrary keys for storing pointers to MLTE related data in a window property
// we use these keys to identify the pointer data stored in the window property,]
// both for setting and getting the value back.
// you could change these values to whatever you prefer
kMyMLTEDataStructProperty = 'TXNd',
kMyPropertyCreator = 'Demo'
};
// MyMLTEData is a custom data structure which holds data related to an
// instance of an MLTE object. This data will be needed
// to support custom scrolling. We'll store a pointer to an instance
// of this data in each window as a window property.
// You could add more MLTE related data to this struct, for example:
// you could add a FileSpec or a CFURLRef, which would be associated
// with the TXNObject.
struct
MyMLTEData
{
TXNObject fTXNObj;
SInt32 fVertScrollCache;
SInt32 fHorizScrollCache;
// FSSpec fFileSpec; // you could associate a FSSpec with the object and
// save it here.
};
// WindowStoreTXNObject will allocate the MyMLTEData structure
// and store it in the window. We pass a key so we could associate
// more than one MyMLTEData instance with the window if want to at
// a later date.
OSStatus
WindowStoreTXNObject( WindowRef window, OSType key, TXNObject txnObj );
// Sometimes we just want to get the TXNObject from the window
// This is a simple accessor for that goal.
TXNObject
WindowGetTXNObj( WindowRef window, OSType key );
// Custom scrolling setup starts here
OSStatus
WindowRegisterTXNScrollProcs( WindowRef window, TXNObject txnObj );
// Tell window to draw its content.
OSStatus
WindowDrawContent( WindowRef window );
OSStatus
WindowInvalidateContent( WindowRef window );
OSStatus
WindowClose( WindowRef window );
// Text view should try to process the command or return eventNotHandledErr
OSStatus
TextViewProcessHICommand( WindowRef window, OSType key, const HICommand& hiCommand);
#endif //_COMPILE_SAMPLE_SCROLL_CODE_</pre>
<!--googleoff: index -->
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<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/>
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<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/MLTE_CustomScrolling/listing3.html%3Fid%3DDTS10003413-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
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</html>