/*

    File:    BIM.c

    Description: Core implementation of our text service.

    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 AppleÕs

                 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):

            2000/07/28  SC  Changed to include Carbon.h

            2000/06/01  SC  Created

*/

#ifndef BasicInputMethod_h

#define BasicInputMethod_h

#include <Carbon/Carbon.h>

//  Type definitions

struct BIMSessionRecord {

    ComponentInstance   fComponentInstance;

    long        fLastUpdateLength;

    UniCharCount    fInputBufferCount;

    UniCharPtr      fInputBuffer;

};

typedef struct BIMSessionRecord BIMSessionRecord;

typedef BIMSessionRecord *BIMSessionPtr;

typedef BIMSessionPtr *BIMSessionHandle;

//  Functions that operate on global contexts.

ComponentResult BIMInitialize( ComponentInstance inComponentInstance,

                               MenuRef *outTextServiceMenu );

void        BIMTerminate( ComponentInstance inComponentInstance );

//  Functions that operate on per-session contexts.

ComponentResult BIMSessionOpen( ComponentInstance inComponentInstance, 

                                BIMSessionHandle *outSessionHandle );

void        BIMSessionClose( BIMSessionHandle sessionHandle );

ComponentResult BIMSessionActivate( BIMSessionHandle sessionHandle );

ComponentResult BIMSessionDeactivate( BIMSessionHandle sessionHandle );

ComponentResult BIMSessionEvent( BIMSessionHandle sessionHandle, EventRef eventRef );

ComponentResult BIMSessionFix( BIMSessionHandle sessionHandle );

ComponentResult BIMSessionHidePalettes( BIMSessionHandle sessionHandle );

//  Other functions.

BIMSessionHandle BIMGetActiveSession( void );

Boolean BIMHandleInput( BIMSessionHandle inSessionHandle, unsigned char inCharCode );

void BIMUpdateShowHideKeyboardPaletteMenuItem( Boolean inIsHidden );

void BIMUpdateShowHideSendEventPaletteMenuItem( Boolean inIsHidden );

void BIMLog( unsigned char *message );

#endif