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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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<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/idxTextFonts-date.html">Text & Fonts</a> > <A HREF="javascript:location.replace('index.html');">BasicInputMethod</A> >
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<table width="680" border="0" cellpadding="0" cellspacing="0">
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<td><h1><div id="pagehead">BasicInputMethod</div></h1></td>
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<h2>/BasicInputMethod/BSMessageReceive.c</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">/BasicInputMethod/BIM.c</option>
<option value="listing2.html">/BasicInputMethod/BIM.h</option>
<option value="listing3.html">/BasicInputMethod/BIM.r</option>
<option value="listing4.html">/BasicInputMethod/BIMClientServer.h</option>
<option value="listing5.html">/BasicInputMethod/BIMComponent.c</option>
<option value="listing6.html">/BasicInputMethod/BIMComponent.h</option>
<option value="listing7.html">/BasicInputMethod/BIMInputEvents.c</option>
<option value="listing8.html">/BasicInputMethod/BIMInputEvents.h</option>
<option value="listing9.html">/BasicInputMethod/BIMLaunchServer.c</option>
<option value="listing10.html">/BasicInputMethod/BIMLaunchServer.h</option>
<option value="listing11.html">/BasicInputMethod/BIMMessageReceive.c</option>
<option value="listing12.html">/BasicInputMethod/BIMMessageReceive.h</option>
<option value="listing13.html">/BasicInputMethod/BIMMessageSend.c</option>
<option value="listing14.html">/BasicInputMethod/BIMMessageSend.h</option>
<option value="listing15.html">/BasicInputMethod/BIMScript.h</option>
<option value="listing16.html">/BasicInputMethod/BS.c</option>
<option value="listing17.html">/BasicInputMethod/BSKeyboardPalette.c</option>
<option value="listing18.html">/BasicInputMethod/BSKeyboardPalette.h</option>
<option value="listing19.html">/BasicInputMethod/BSMessageReceive.c</option>
<option value="listing20.html">/BasicInputMethod/BSMessageReceive.h</option>
<option value="listing21.html">/BasicInputMethod/BSMessages.h</option>
<option value="listing22.html">/BasicInputMethod/BSMessageSend.c</option>
<option value="listing23.html">/BasicInputMethod/BSMessageSend.h</option>
<option value="listing24.html">/BasicInputMethod/BSPreferences.c</option>
<option value="listing25.html">/BasicInputMethod/BSPreferences.h</option>
<option value="listing26.html">/BasicInputMethod/BSSendEventPalette.c</option>
<option value="listing27.html">/BasicInputMethod/BSSendEventPalette.h</option></select>
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<p><strong><a href="BasicInputMethod.zip">Download Sample</a></strong> (“BasicInputMethod.zip”, 157.5K)<BR>
<strong><a href="BasicInputMethod.dmg">Download Sample</a></strong> (“BasicInputMethod.dmg”, 200.1K)</p>
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<!--googleon: index -->
<pre class="sourcecodebox">/*
File: BSMessageReceive.c
Description: Routines that implement server side receiving of messages from text service
component clients.
Author: SC
Copyright: © Copyright 2000-2001 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.
Change History (most recent first):
2001/03/09 SC Added support for the send event palette.
2000/07/28 SC Changed to include Carbon.h and CoreFoundation.h
Fixed the call to CFMessagePortCreateLocal to accomodate
the new "shouldFreeInfo" parameter
2000/07/10 SC Created
*/
#define TARGET_API_MAC_CARBON 1
#include <Carbon/Carbon.h>
#include "BSKeyboardPalette.h"
#include "BSMessages.h"
#include "BSMessageReceive.h"
#include "BSPreferences.h"
#include "BSSendEventPalette.h"
#include "BIMClientServer.h"
/************************************************************************************************
*
* BSMessagePortCallBack
*
* This callback routine is called when we receive a message from one of our client text service
* components. The message header contains the process serial number of the client. This allows
* us to distinguish between text service components as there can be more than one.
*
* In inLocalPort A reference to our listening message port.
* inMessageID The message ID of the request.
* inData The message data (contains the client PSN).
* inContextInfo Not used here.
*
* Out CFDataRef Result data.
*
************************************************************************************************/
CFDataRef BSMessagePortCallBack( CFMessagePortRef inLocalPort, SInt32 inMessageID,
CFDataRef inData, void *inContextInfo )
{
#pragma unused (inContextInfo)
Boolean isHidden;
CFDataRef replyData;
CFRange range;
BasicMessageHeader header;
replyData = NULL;
// The process serial number of the sender is stored in the message header in iData.
if( inData ) {
range.location = 0;
range.length = sizeof( BasicMessageHeader );
CFDataGetBytes( inData, range, (UInt8 *) &header);
}
switch( inMessageID ) {
// kBasicMessageActivated
//
// Our client text service component was activated. If the keyboard palette was not
// visible, but the preferences indicate it should be visible, show it now. The
// kBasicMessageActivated message also includes the process serial number of the sender.
case kBasicMessageActivated:
// We need to keep track of the current active input method so we can identify it
// later on and send messages to it.
BlockMoveData( &header.fProcessSerialNumber, &gActiveInputMethod,
sizeof( ProcessSerialNumber ) );
// One of our input methods has been activated. If the current setting indicates we
// should show the keyboard palette, do so now.
if( BSGetPreferencesIsKeyboardPaletteHidden() == false )
BSShowKeyboardPalette();
break;
// kBasicMessageDeactivated
//
// Our client text service component was deactivated.
case kBasicMessageDeactivated:
gActiveInputMethod.highLongOfPSN = 0;
gActiveInputMethod.lowLongOfPSN = kNoProcess;
break;
// kBasicMessageHidePalettes
//
// If the palettes are showing, hide them all now.
case kBasicMessageHidePalettes:
if( BSGetPreferencesIsKeyboardPaletteHidden() == FALSE )
BSHideKeyboardPalette();
if( BSGetPreferencesIsSendEventPaletteHidden() == FALSE )
BSHideSendEventPalette();
break;
// kBasicMessageIsKeyboardPaletteHidden
//
// Return TRUE if the keyboard palette is hidden, FALSE if the keyboard palette is
// shown. The result is simply a Boolean value copied into a CFDataRef.
case kBasicMessageIsKeyboardPaletteHidden:
isHidden = BSGetPreferencesIsKeyboardPaletteHidden();
replyData = CFDataCreate( NULL, &isHidden, sizeof(isHidden) );
break;
// kBasicMessageShowKeyboardPalette
case kBasicMessageShowKeyboardPalette:
BSSetPreferencesIsKeyboardPaletteHidden( false );
BSShowKeyboardPalette();
break;
// kBasicMessageHideKeyboardPalette
case kBasicMessageHideKeyboardPalette:
BSSetPreferencesIsKeyboardPaletteHidden( true );
BSHideKeyboardPalette();
break;
// kBasicMessageIsSendEventPaletteHidden
//
// Return TRUE if the send event palette is hidden, FALSE if the send event palette is
// shown. The result is simply a Boolean value copied into a CFDataRef.
case kBasicMessageIsSendEventPaletteHidden:
isHidden = BSGetPreferencesIsSendEventPaletteHidden();
replyData = CFDataCreate( NULL, &isHidden, sizeof(isHidden) );
break;
// kBasicMessageShowSendEventPalette
case kBasicMessageShowSendEventPalette:
BSSetPreferencesIsSendEventPaletteHidden( FALSE );
BSShowSendEventPalette();
break;
// kBasicMessageHideSendEventPalette
case kBasicMessageHideSendEventPalette:
BSSetPreferencesIsSendEventPaletteHidden( TRUE );
BSHideSendEventPalette();
break;
// Ignore all other message IDs.
default:
break;
}
return replyData;
}
</pre>
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