63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
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/*
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* Verticalflowlayout
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*/
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#ifndef DUI_LAYOUT_VERTICALFLOWLAYOUT_H_INCLUDED
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#define DUI_LAYOUT_VERTICALFLOWLAYOUT_H_INCLUDED
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#pragma once
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namespace DirectUI
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{
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// No layout positions
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struct VLINE
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{
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UINT cy; // length of line
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UINT cx; // thickness of line
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UINT x; // pixel start of line (always 0 for first line)
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UINT cElements; // number of elements in line
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UINT* aryElement; // pixel start of elements in line (one less than cElements -- because first start is always 0)
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UINT iStart; // index of first element in line
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};
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////////////////////////////////////////////////////////
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// vertical flow layout
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class VerticalFlowLayout : public Layout
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{
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public:
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static HRESULT Create(int dNumParams, int* pParams, Value** ppValue); // For parser
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static HRESULT Create(bool fWrap, UINT uXAlign, UINT uXLineAlign, UINT uYLineAlign, Layout** ppLayout);
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// Layout callbacks
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virtual void DoLayout(Element* pec, int cx, int cy);
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virtual SIZE UpdateDesiredSize(Element* pec, int dConstW, int dConstH, Surface* psrf);
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virtual Element* GetAdjacent(Element* pec, Element* peFrom, int iNavDir, NavReference const* pnr, bool fKeyableOnly);
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int GetLine(Element* pec, Element* pe);
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VerticalFlowLayout() { }
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void Initialize(bool fWrap, UINT uXAlign, UINT uXLineAlign, UINT uYLineAlign);
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virtual ~VerticalFlowLayout();
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protected:
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SIZE BuildCacheInfo(Element *pec, int cxConstraint, int cyConstraint, Surface* psrf, bool fRealSize);
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bool _fWrap;
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UINT _uXLineAlign;
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UINT _uYLineAlign;
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UINT _uXAlign;
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SIZE _sizeDesired;
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SIZE _sizeLastConstraint;
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UINT _cLines;
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VLINE* _arLines;
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static SIZE g_sizeZero;
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};
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} // namespace DirectUI
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#endif // DUI_LAYOUT_VERTICALFLOWLAYOUT_H_INCLUDED
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