genesis-3d_engine/Engine/addons/myguiengine/include/MyGUI_DDContainer.h
zhongdaohuan ad5cd7b16a * upate genesis-3d engine to version 1.3.1.
match the genesis editor version 1.3.1.921.
2014-06-19 16:26:14 +08:00

168 lines
5.5 KiB
C++

/*!
@file
@author Albert Semenov
@date 10/2008
*/
/*
This file is part of MyGUI.
MyGUI is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
MyGUI 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MYGUI_DDCONTAINER_H__
#define __MYGUI_DDCONTAINER_H__
#include "MyGUI_Prerequest.h"
#include "MyGUI_Widget.h"
#include "MyGUI_DDItemInfo.h"
#include "MyGUI_EventPair.h"
namespace MyGUI
{
typedef delegates::CMultiDelegate3<DDContainer*, const DDItemInfo&, bool&> EventHandle_DDContainerPtrCDDItemInfoRefBoolRef;
typedef delegates::CMultiDelegate3<DDContainer*, const DDItemInfo&, bool> EventHandle_DDContainerPtrCDDItemInfoRefBool;
typedef delegates::CMultiDelegate2<DDContainer*, DDItemState> EventHandle_EventHandle_DDContainerPtrDDItemState;
typedef delegates::CDelegate3<DDContainer*, Widget*&, IntCoord&> EventHandle_EventHandle_DDContainerPtrWidgetPtrRefIntCoordRef;
class MYGUI_EXPORT DDContainer :
public Widget
{
MYGUI_RTTI_DERIVED( DDContainer )
public:
DDContainer();
/** Set drag'n'drop mode flag.
Disabled (false) by default.
*/
void setNeedDragDrop(bool _value);
/** Get drag'n'drop mode flag */
bool getNeedDragDrop() const;
void resetDrag();
/*events:*/
/** Event : Request for start drag.\n
signature : void method(MyGUI::DDContainer* _sender, const MyGUI::DDItemInfo& _info, bool& _result)
@param _sender widget that called this event
@param _info information about DDContainers
@param _result write here true if container can be draggedor false if it can't
*/
EventHandle_DDContainerPtrCDDItemInfoRefBoolRef
eventStartDrag;
/** Event : Request for start drop (moving mouse over container, but not dropped yet).\n
signature : void method(MyGUI::DDContainer* _sender, const MyGUI::DDItemInfo& _info, bool& _result)
@param _sender widget that called this event
@param _info information about DDContainers
@param _result write here true if container accept dragged widget or false if it isn't
*/
EventHandle_DDContainerPtrCDDItemInfoRefBoolRef
eventRequestDrop;
/** Event : End drag (drop).\n
signature : void method(MyGUI::DDContainer* _sender, const MyGUI::DDItemInfo& _info, bool _result)
@param _sender widget that called this event
@param _info information about DDContainers
@param _result if true then drop was successfull
*/
EventHandle_DDContainerPtrCDDItemInfoRefBool
eventDropResult;
/** Event : Drag'n'drop state changed.\n
signature : void method(MyGUI::DDContainer* _sender, MyGUI::DDItemState _state)
@param _sender widget that called this event
@param _state new state
*/
EventHandle_EventHandle_DDContainerPtrDDItemState
eventChangeDDState;
/** Event : [not used] Request widget for dragging.\n
signature : void method(MyGUI::DDContainer* _sender, MyGUI::Widget*& _item, MyGUI::IntCoord& _dimension)
@param _sender widget that called this event
@param _item write widget pointer here
@param _dimension write widget coordinate here
*/
EventHandle_EventHandle_DDContainerPtrWidgetPtrRefIntCoordRef
requestDragWidgetInfo;
/*internal:*/
// метод для установления стейта айтема
virtual void _setContainerItemInfo(size_t _index, bool _set, bool _accept);
/** Event : [Internal event] невалидна информация для контейнера.\n
signature : void method(MyGUI::DDContainer* _sender)
@param _sender widget that called this event
*/
delegates::CMultiDelegate1<DDContainer*>
_eventInvalideContainer;
/** Event : [Internal event] !!обновить виджеты дропа DD_FIXME наверное internal.\n
signature : void method(MyGUI::DDContainer* _sender, MyGUI::Widget* _item, const MyGUI::DDWidgetState& _state)
@param _sender widget that called this event
@param _items
@param _state
*/
delegates::CMultiDelegate3<DDContainer*, Widget*, const DDWidgetState&>
eventUpdateDropState;
protected:
virtual void onMouseButtonPressed(int _left, int _top, MouseButton _id);
virtual void onMouseButtonReleased(int _left, int _top, MouseButton _id);
virtual void onMouseDrag(int _left, int _top, MouseButton _id);
virtual void notifyInvalideDrop(DDContainer* _sender);
virtual void removeDropItems();
virtual void updateDropItems();
virtual void updateDropItemsState(const DDWidgetState& _state);
bool mouseDrag(MouseButton _id);// expand by genesis-3d
void mouseButtonReleased(MouseButton _id);
void mouseButtonPressed(MouseButton _id);
void endDrop(bool _reset);
virtual void setPropertyOverride(const std::string& _key, const std::string& _value);
protected:
bool mDropResult;
bool mNeedDrop;
bool mStartDrop;
Widget* mOldDrop;
Widget* mCurrentSender;
DDItemInfo mDropInfo;
size_t mDropSenderIndex;
// список виджетов для дропа
Widget* mDropItem;
IntCoord mDropDimension;
IntPoint mClickInWidget;
// нужно и виджету поддержка драг энд дропа
bool mNeedDragDrop;
DDContainer* mReseiverContainer;
};
} // namespace MyGUI
#endif // __MYGUI_DDCONTAINER_H__