/*

    File:       Utils.cp

    Contains:   A few utility functions.

    Version:    1.0

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    Copyright © 2003 Apple Computer, Inc., All Rights Reserved

*/

#include <Carbon/Carbon.h>

#include "Utils.h"

UInt32 GetHIToolboxVersion()

    {

    CFBundleRef bundle;

    CFStringRef versionStr = NULL;

    static UInt32 version = 0;

    if (version != 0) return version;

    bundle = CFBundleGetBundleWithIdentifier( CFSTR("com.apple.HIToolbox") );

    if ( bundle != NULL )

        versionStr = (CFStringRef) CFBundleGetValueForInfoDictionaryKey( bundle, CFSTR("CFBundleShortVersionString") );

    if ( versionStr != NULL && CFGetTypeID( versionStr ) == CFStringGetTypeID() )

        {

        int major = 0, minor = 0, bugfix = 0;

        char sz[20];

        CFStringGetCString( versionStr, sz, sizeof( sz ), kCFStringEncodingUTF8 );

        sscanf( sz, "%d.%d.%d", &major, &minor, &bugfix );

        version = ( major << 8 ) + ( minor << 4 ) + bugfix;

        }

    return version;

    }

//

// Just a simple "frame the view" handler that we can "add" to any kEventControlDraw handler

//

pascal OSStatus FrameView(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)

    {

    ControlRef theControl;

    CGContextRef context;

    HIRect bounds;

    GetEventParameter(theEvent, kEventParamDirectObject, typeControlRef, NULL, sizeof(theControl), NULL, &theControl);

    GetEventParameter(theEvent, kEventParamCGContextRef, typeCGContextRef, NULL, sizeof(context), NULL, &context);

    HIViewGetBounds(theControl, &bounds);

    CGContextStrokeRect(context, bounds);

    return eventNotHandledErr;

    }