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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file
* \ingroup GHOST
* Declaration of GHOST_ModifierKeys struct.
*/
#pragma once
#include "GHOST_Types.h"
/**
* Stores the state of modifier keys.
* Discriminates between left and right modifier keys.
*/
struct GHOST_ModifierKeys {
/**
* Constructor.
*/
GHOST_ModifierKeys();
~GHOST_ModifierKeys();
/**
* Returns the modifier key's key code from a modifier key mask.
* \param mask: The mask of the modifier key.
* \return The modifier key's key code.
*/
static GHOST_TKey getModifierKeyCode(GHOST_TModifierKeyMask mask);
/**
* Returns the state of a single modifier key.
* \param mask: Key state to return.
* \return The state of the key (pressed == true).
*/
bool get(GHOST_TModifierKeyMask mask) const;
/**
* Updates the state of a single modifier key.
* \param mask: Key state to update.
* \param down: The new state of the key.
*/
void set(GHOST_TModifierKeyMask mask, bool down);
/**
* Sets the state of all modifier keys to up.
*/
void clear();
/**
* Determines whether to modifier key states are equal.
* \param keys: The modifier key state to compare to.
* \return Indication of equality.
*/
bool equals(const GHOST_ModifierKeys &keys) const;
/** Bitfield that stores the appropriate key state. */
uint8_t m_LeftShift : 1;
/** Bitfield that stores the appropriate key state. */
uint8_t m_RightShift : 1;
/** Bitfield that stores the appropriate key state. */
uint8_t m_LeftAlt : 1;
/** Bitfield that stores the appropriate key state. */
uint8_t m_RightAlt : 1;
/** Bitfield that stores the appropriate key state. */
uint8_t m_LeftControl : 1;
/** Bitfield that stores the appropriate key state. */
uint8_t m_RightControl : 1;
/** Bitfield that stores the appropriate key state. */
uint8_t m_OS : 1;
};
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