MyGUI_ISubWidget.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_I_SUB_WIDGET_H__
#define __MYGUI_I_SUB_WIDGET_H__

#include "MyGUI_Prerequest.h"
#include "MyGUI_ICroppedRectangle.h"
#include "MyGUI_ILayerNode.h"
#include "MyGUI_Types.h"
#include "MyGUI_IRenderTarget.h"
#include "MyGUI_IStateInfo.h"
#include "MyGUI_IObject.h"

namespace MyGUI
{

    class ISubWidget;
    typedef std::vector<ISubWidget*> VectorSubWidget;

    class MYGUI_EXPORT ISubWidget :
        public ICroppedRectangle,
        public IObject
    {
        MYGUI_RTTI_DERIVED( ISubWidget )

    public:
        ISubWidget() : mVisible(true) { }
        virtual ~ISubWidget() { }

        virtual void createDrawItem(ITexture* _texture, ILayerNode* _node) = 0;
        virtual void destroyDrawItem() = 0;

        virtual void setAlpha(float _alpha) { }

        virtual void setStateData(IStateInfo* _data) { }

        virtual void doRender() = 0;

        virtual void setAlign(Align _value)
        {
            mAlign = _value;
        }
        virtual void setVisible(bool _value)
        {
            mVisible = _value;
        }

        virtual void _updateView() { }
        virtual void _correctView() { }

        virtual void _setAlign(const IntSize& _oldsize)  { }

        virtual void doManualRender(IVertexBuffer* _buffer, ITexture* _texture, size_t _count) { }

    protected:
        Align mAlign;
        bool mVisible;
    };

} // namespace MyGUI

#endif // __MYGUI_I_SUB_WIDGET_H__