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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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<td><h1><div id="pagehead">BasicInputMethod</div></h1></td>
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<h2>/BasicInputMethod/BSMessageSend.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>
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<!--googleon: index -->
<pre class="sourcecodebox">/*
File: BSMessageSend.c
Description: Routines that implement sending of messages to TSM 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):
2001/04/20 SC Added functions to support sending OffsetToPos events to
text service components.
2001/03/29 SC Added the BSSendDebugPaletteHiddenMessage function
2001/03/09 SC Added support for the debug palette.
2000/07/28 SC Changed to include Carbon.h and CoreFoundation.h
2000/07/10 SC Created
*/
#define TARGET_API_MAC_CARBON 1
#include <Carbon/Carbon.h>
#include "BSMessages.h"
#include "BSMessageSend.h"
#include "BIMClientServer.h"
// Local functions
static CFStringRef CreatePortName( const ProcessSerialNumber *inProcessSerialNumber );
static OSStatus SendMessageToActiveComponent( BasicMessageID inMessageID, CFDataRef inData );
static OSStatus SendMessageToActiveComponentWithReply( BasicMessageID inMessageID,
CFDataRef inData, CFDataRef *outReplyData );
/************************************************************************************************
*
* BSSendKeyboardPaletteHiddenMessage
*
* Send a message to the active TSM component telling it that the keyboard palette is hidden.
*
* Out OSStatus A toolbox error code.
*
************************************************************************************************/
OSStatus BSSendKeyboardPaletteHiddenMessage( void )
{
return SendMessageToActiveComponent( kBasicMessageKeyboardPaletteHidden, NULL );
}
/************************************************************************************************
*
* BSSendSendEventPaletteHiddenMessage
*
* Send a message to the active TSM component telling it that the send event palette is hidden.
*
* Out OSStatus A toolbox error code.
*
************************************************************************************************/
OSStatus BSSendSendEventPaletteHiddenMessage( void )
{
return SendMessageToActiveComponent( kBasicMessageSendEventPaletteHidden, NULL );
}
/************************************************************************************************
*
* BSSendInputMessage
*
* Send a message to the active text service component telling it that a key on the keyboard
* palette was clicked.
*
* In inCharCode The key title.
*
* Out OSStatus A toolbox error code.
*
************************************************************************************************/
OSStatus BSSendInputMessage( unsigned char inCharCode )
{
OSStatus result;
CFDataRef replyData;
CFDataRef sendData;
replyData = NULL;
sendData = CFDataCreate( NULL, &inCharCode, sizeof( unsigned char ) );
result = SendMessageToActiveComponent( kBasicMessageInput, sendData );
CFRelease( sendData );
return result;
}
/************************************************************************************************
*
* BSSendOffsetToPosMessage
*
* Send a kOffsetToPos message to the active text service component.
*
* In TBD
*
* Out OSStatus A toolbox error code.
*
************************************************************************************************/
OSStatus BSSendOffsetToPosMessage( void )
{
OSStatus result;
CFDataRef replyData;
CFDataRef sendData;
CFRange range;
replyData = NULL;
sendData = CFDataCreate( NULL, (UInt8 *) &gOffsetToPosParams,
sizeof( struct OffsetToPosParams ) );
result = SendMessageToActiveComponentWithReply( kBasicMessageOffsetToPos, sendData,
&replyData );
if( result == noErr && replyData ) {
range.location = 0;
range.length = sizeof( struct OffsetToPosParams );
CFDataGetBytes( replyData, range, (UInt8 *) &gOffsetToPosParams );
}
CFRelease( sendData );
return result;
}
/************************************************************************************************
*
* CreatePortName
*
* Creates a port name string for the TSM component specified by the given process serial
* number. The port name string is of the form "com.apple.dts.BIMServerxxxxxx" where xxxxxx
* is the process serial number.
*
* In inProcessSerialNumber The process serial number.
*
* Out CFStringRef The port name. The caller is responsible for releasing
* the string.
*
************************************************************************************************/
static CFStringRef CreatePortName( const ProcessSerialNumber *inProcessSerialNumber )
{
CFMutableStringRef portName;
CFStringRef processSerialNumberStringRef;
Str255 processSerialNumberString;
Str255 processSerialNumberLowString;
// Convert the high and low parts of the process serial number into a string.
NumToString( inProcessSerialNumber->highLongOfPSN, processSerialNumberString );
NumToString( inProcessSerialNumber->lowLongOfPSN, processSerialNumberLowString );
BlockMoveData( processSerialNumberLowString + 1,
processSerialNumberString + processSerialNumberString [0] + 1,
processSerialNumberLowString [0] );
processSerialNumberString [0] += processSerialNumberLowString [0];
// Create a CFString and append the process serial number string onto the end.
portName = CFStringCreateMutableCopy( NULL, 255, CFSTR( kBasicServerPortName ) );
processSerialNumberStringRef = CFStringCreateWithPascalString( NULL, processSerialNumberString,
CFStringGetSystemEncoding() );
CFStringAppend( portName, processSerialNumberStringRef );
CFRelease( processSerialNumberStringRef );
return portName;
}
/************************************************************************************************
*
* SendMessageToActiveComponent
*
* Send the message specified by inMessageID to the active text service component. The provided
* data (if any) is attached and the reply, if any, is discarded.
*
* In inMessageID The message ID to send.
* inData Data to attach to the message or NULL for no data.
*
* Out OSStatus A toolbox error code.
*
************************************************************************************************/
static OSStatus SendMessageToActiveComponent( BasicMessageID inMessageID, CFDataRef inData )
{
OSStatus result;
CFDataRef replyData;
CFMessagePortRef serverPortRef;
CFStringRef portName;
result = noErr;
replyData = NULL;
serverPortRef = NULL;
portName = NULL;
// Determine the name of the remote port we are trying to reach, based on its process
// serial number. The name is of the form "com.apple.dts.BIMServerxxxxxx" where xxxxxx is
// the process serial number.
portName = CreatePortName( &gActiveInputMethod );
if( portName == NULL )
result = -1;
// Create a reference to the remote message port. We identify the port by its process
// serial number.
if( result == noErr ) {
serverPortRef = CFMessagePortCreateRemote( NULL, portName );
if( serverPortRef == NULL )
result = -2;
}
// Send the message specified in iMessageID to the server. We send the message header
// as data.
if( result == noErr ) {
if( CFMessagePortSendRequest( serverPortRef, inMessageID, inData,
10, 10, NULL, &replyData ) != kCFMessagePortSuccess )
result = -2;
}
// Release everything.
if( replyData )
CFRelease( replyData );
if( portName )
CFRelease( portName );
if( serverPortRef )
CFRelease( serverPortRef );
// Return an error code to the caller.
return result;
}
/************************************************************************************************
*
* SendMessageToActiveComponentWithReply
*
* Send the message specified by inMessageID to the active text service component. The provided
* data (if any) is attached and the reply, if any, is discarded.
*
* In inMessageID The message ID to send.
* inData Data to attach to the message or NULL for no data.
*
* Out OSStatus A toolbox error code.
*
************************************************************************************************/
static OSStatus SendMessageToActiveComponentWithReply( BasicMessageID inMessageID,
CFDataRef inData, CFDataRef *outReplyData )
{
OSStatus result;
CFMessagePortRef serverPortRef;
CFStringRef portName;
result = noErr;
serverPortRef = NULL;
portName = NULL;
// Determine the name of the remote port we are trying to reach, based on its process
// serial number. The name is of the form "com.apple.dts.BIMServerxxxxxx" where xxxxxx is
// the process serial number.
portName = CreatePortName( &gActiveInputMethod );
if( portName == NULL )
result = -1;
// Create a reference to the remote message port. We identify the port by its process
// serial number.
if( result == noErr ) {
serverPortRef = CFMessagePortCreateRemote( NULL, portName );
if( serverPortRef == NULL )
result = -2;
}
// Send the message.
if( result == noErr ) {
if( CFMessagePortSendRequest( serverPortRef, inMessageID, inData,
10, 10, kCFRunLoopDefaultMode,
outReplyData ) != kCFMessagePortSuccess )
result = -2;
}
// Release everything.
if( portName )
CFRelease( portName );
if( serverPortRef )
CFRelease( serverPortRef );
// Return an error code to the caller.
return result;
}</pre>
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