MyGUI_DDItemInfo.h

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */

#ifndef __MYGUI_ITEM_DROP_INFO_H__
#define __MYGUI_ITEM_DROP_INFO_H__

#include "MyGUI_Prerequest.h"

namespace MyGUI
{

    struct MYGUI_EXPORT DDItemState
    {
        enum Enum
        {
            None,
            Start, 
            End, 
            Miss, 
            Accept, 
            Refuse 
        };

        DDItemState(Enum _value = None) :
            mValue(_value)
        {
        }

        friend bool operator == (DDItemState const& a, DDItemState const& b)
        {
            return a.mValue == b.mValue;
        }

        friend bool operator != (DDItemState const& a, DDItemState const& b)
        {
            return a.mValue != b.mValue;
        }

        int getValue() const
        {
            return mValue;
        }

    private:
        Enum mValue;
    };

    // структура информации об индексах дропа
    struct MYGUI_EXPORT DDItemInfo
    {
        DDItemInfo() :
            sender(nullptr),
            sender_index(ITEM_NONE),
            receiver(nullptr),
            receiver_index(ITEM_NONE)
        {
        }

        DDItemInfo(DDContainer* _sender, size_t _sender_index, DDContainer* _receiver, size_t _receiver_index) :
            sender(_sender),
            sender_index(_sender_index),
            receiver(_receiver),
            receiver_index(_receiver_index)
        {
        }

        void set(DDContainer* _sender, size_t _sender_index, DDContainer* _receiver, size_t _receiver_index)
        {
            sender = _sender;
            sender_index = _sender_index;
            receiver = _receiver;
            receiver_index = _receiver_index;
        }

        void reset()
        {
            sender = nullptr;
            sender_index = ITEM_NONE;
            receiver = nullptr;
            receiver_index = ITEM_NONE;
        }

        DDContainer* sender;
        size_t sender_index;

        DDContainer* receiver;
        size_t receiver_index;
    };

    struct MYGUI_EXPORT DDWidgetState
    {
        DDWidgetState(size_t _index) :
            index(_index),
            update(true),
            accept(false),
            refuse(false)
        {
        }

        size_t index;
        bool update;
        bool accept;
        bool refuse;
    };

} // namespace MyGUI

#endif // __MYGUI_ITEM_DROP_INFO_H__