TnbOverlayLayout.h

[詳解]

#pragma once
#include "TnbSimpleVector.h"
#include "TnbLayout.h"
 
 
 
//TNB Library
namespace TNB
{
 
 
 
class COverlayLayout : public CAbstractLayout
{
    DEFSUPER(CAbstractLayout);
public:
 
    COverlayLayout(void)
    {
        m_params = new CParamVector();
    }
 
    COverlayLayout& Add(const ILayout& layout, ELocation hloc = ADJUST, ELocation vloc = ADJUST)
    {
        m_params->Add(TParam(hloc, vloc, layout));
        return *this;
    }
 
    virtual ILayout* Clone(void) const
    {
        COverlayLayout* P = new COverlayLayout();
        *P = *this;
        return P;
    }
 
    virtual bool GetMinimumSize(SIZE& _size) const
    {
        _size.cx =0;
        _size.cy =0;
        loop ( i, m_params->GetSize() )
        {
            SIZE sz;
            if ( m_params->At(i).pLayout->GetMinimumSize(sz) )
            {
                _size.cx = max(_size.cx, sz.cy);
                _size.cy = max(_size.cy, sz.cy);
            }
        }
        AddMargnSize(_size);
        return true;
    }
    
    virtual void Decide(int x, int y, WPARAM wParam, LPARAM lParam)
    {
        SIZE areaSize = m_layoutSize;
        {
            SIZE sz;
            GetMargnSize(sz);
            areaSize.cx -= sz.cx;
            areaSize.cy -= sz.cy;
        }
        int posy = m_margn.top;
        int posx = m_margn.left;
        loop ( i, m_params->GetSize() )
        {
            TParam& pa = m_params->At(i);
            HorizontalItemDecide(pa.pLayout, x, posx, areaSize.cx, pa.horizontalLocate, wParam, lParam);
            VerticalItemDecide(pa.pLayout, y, posy, areaSize.cy, pa.verticalLocate, wParam, lParam);
        }
    }
 
private:
    typedef CSimpleVectorT<TParam> CParamVector;    
    CPointerHandleT<CParamVector>   m_params;       
};
 
 
 
}; // TNB