131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
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/*!
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@file
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@author Albert Semenov
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@date 01/2008
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*/
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/*
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This file is part of MyGUI.
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MyGUI is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MyGUI is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MYGUI_ITEM_DROP_INFO_H__
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#define __MYGUI_ITEM_DROP_INFO_H__
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#include "MyGUI_Prerequest.h"
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namespace MyGUI
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{
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struct MYGUI_EXPORT DDItemState
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{
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enum Enum
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{
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None,
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Start, /**< start drag */
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End, /**< end drag (drop) */
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Miss, /**< drag DDContainer over empty space or widgets that don't have drag'n'drop */
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Accept, /**< drag DDContainer over another DDContainer that accept dropping on it */
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Refuse /**< drag DDContainer over another DDContainer that refuse dropping on it */
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};
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DDItemState(Enum _value = None) :
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value(_value)
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{
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}
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friend bool operator == (DDItemState const& a, DDItemState const& b)
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{
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return a.value == b.value;
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}
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friend bool operator != (DDItemState const& a, DDItemState const& b)
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{
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return a.value != b.value;
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}
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private:
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Enum value;
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};
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// структура информации об индексах дропа
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/** Inormation about drag'n'drop indexes */
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struct MYGUI_EXPORT DDItemInfo
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{
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DDItemInfo() :
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sender(nullptr),
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sender_index(ITEM_NONE),
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receiver(nullptr),
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receiver_index(ITEM_NONE)
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{
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}
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DDItemInfo(DDContainer* _sender, size_t _sender_index, DDContainer* _receiver, size_t _receiver_index) :
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sender(_sender),
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sender_index(_sender_index),
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receiver(_receiver),
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receiver_index(_receiver_index)
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{
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}
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void set(DDContainer* _sender, size_t _sender_index, DDContainer* _receiver, size_t _receiver_index)
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{
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sender = _sender;
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sender_index = _sender_index;
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receiver = _receiver;
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receiver_index = _receiver_index;
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}
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void reset()
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{
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sender = nullptr;
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sender_index = ITEM_NONE;
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receiver = nullptr;
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receiver_index = ITEM_NONE;
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}
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/** DDContainer that send this event (container from which we started drag) */
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DDContainer* sender;
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/** Index of sender container */
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size_t sender_index;
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/** DDContainer that receive dragged widget (container to which we want to drop) */
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DDContainer* receiver;
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/** Index of receiver container */
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size_t receiver_index;
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};
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struct MYGUI_EXPORT DDWidgetState
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{
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DDWidgetState(size_t _index) :
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index(_index),
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update(true),
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accept(false),
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refuse(false)
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{
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}
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/** Index of element */
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size_t index;
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/** State and internal data changed */
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bool update;
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/** Is widget accept drop */
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bool accept;
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/** Is widget refuse drop */
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bool refuse;
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};
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} // namespace MyGUI
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#endif // __MYGUI_ITEM_DROP_INFO_H__
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