IOHIDUtility.cpp   [plain text]


/*
 *
 * @APPLE_LICENSE_HEADER_START@
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 * Copyright (c) 2016 Apple Computer, Inc.  All Rights Reserved.
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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#include "IOHIDUtility.h"
#include <IOKit/hid/AppleHIDUsageTables.h>

bool Key::isModifier() const {
    bool result = false;
    if ((usagePage() == kHIDPage_KeyboardOrKeypad) &&
        (((usage() >= kHIDUsage_KeyboardLeftControl) && (usage() <= kHIDUsage_KeyboardRightGUI)) || (usage() == kHIDUsage_KeyboardCapsLock))) {
        result = true;
    } else if ((usagePage() == kHIDPage_AppleVendorTopCase) && (usage() == kHIDUsage_AV_TopCase_KeyboardFn)) {
        result = true;
    }
    return result;
};