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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef _FWL_GRID_IMP_H
#define _FWL_GRID_IMP_H
class CFWL_Content;
class IFWL_Widget;
class CFWL_GridLength;
class CFWL_GridColRow;
class CFWL_GridWidgetInfo;
class CFWL_GridImp;
class CFWL_GridLength
{
public:
CFWL_GridLength()
: fLength(0)
, eUnit(FWL_GRIDUNIT_Fixed)
{
}
CFWL_GridLength(FX_FLOAT fValue, FWL_GRIDUNIT e)
: fLength(fValue)
, eUnit(e)
{
}
FX_FLOAT fLength;
FWL_GRIDUNIT eUnit;
};
class CFWL_GridColRow
{
public:
CFWL_GridColRow()
: m_Size (1, FWL_GRIDUNIT_Scaled)
, m_MinSize(0, FWL_GRIDUNIT_Fixed)
, m_MaxSize(0, FWL_GRIDUNIT_Infinity)
, m_fActualSize(0)
, m_fActualPos(0)
{
}
CFWL_GridLength m_Size;
CFWL_GridLength m_MinSize;
CFWL_GridLength m_MaxSize;
FX_FLOAT m_fActualSize;
FX_FLOAT m_fActualPos;
};
class CFWL_GridWidgetInfo
{
public:
CFWL_GridWidgetInfo()
: m_iColumn (0)
, m_iColumnSpan(1)
, m_iRow(0)
, m_iRowSpan(1)
, m_dwMarginFlag(0)
, m_fActualWidth(0)
, m_fActualHeight(0)
{
m_Size[FWL_GRIDSIZE_Width].eUnit = FWL_GRIDUNIT_Auto;
m_Size[FWL_GRIDSIZE_Width].fLength = 0;
m_Size[FWL_GRIDSIZE_Height].eUnit = FWL_GRIDUNIT_Auto;
m_Size[FWL_GRIDSIZE_Height].fLength = 0;
m_Size[FWL_GRIDSIZE_MinWidth].eUnit = FWL_GRIDUNIT_Fixed;
m_Size[FWL_GRIDSIZE_MinWidth].fLength = 0;
m_Size[FWL_GRIDSIZE_MaxWidth].eUnit = FWL_GRIDUNIT_Infinity;
m_Size[FWL_GRIDSIZE_MaxWidth].fLength = 0;
m_Size[FWL_GRIDSIZE_MinHeight].eUnit = FWL_GRIDUNIT_Fixed;
m_Size[FWL_GRIDSIZE_MinHeight].fLength = 0;
m_Size[FWL_GRIDSIZE_MaxHeight].eUnit = FWL_GRIDUNIT_Infinity;
m_Size[FWL_GRIDSIZE_MaxHeight].fLength = 0;
m_Margin[0] = m_Margin[1] = m_Margin[2] = m_Margin[3] = 0;
}
FX_INT32 m_iColumn;
FX_INT32 m_iColumnSpan;
FX_INT32 m_iRow;
FX_INT32 m_iRowSpan;
CFWL_GridLength m_Size[6];
FX_DWORD m_dwMarginFlag;
FX_FLOAT m_Margin[4];
FX_FLOAT m_fActualWidth;
FX_FLOAT m_fActualHeight;
};
class CFWL_GridImp : public CFWL_ContentImp
{
public:
CFWL_GridImp();
CFWL_GridImp(const CFWL_WidgetImpProperties &properties);
virtual ~CFWL_GridImp();
virtual FWL_ERR GetClassName(CFX_WideString &wsClass) const;
virtual FX_DWORD GetClassID() const;
virtual FWL_ERR Initialize();
virtual FWL_ERR Finalize();
virtual FWL_ERR GetWidgetRect(CFX_RectF &rect, FX_BOOL bAutoSize = FALSE);
virtual FWL_ERR SetWidgetRect(const CFX_RectF &rect);
virtual FWL_ERR Update();
virtual FWL_ERR DrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);
virtual FWL_ERR InsertWidget(IFWL_Widget *pChild, FX_INT32 nIndex = -1);
virtual FWL_ERR RemoveWidget(IFWL_Widget *pWidget);
virtual FWL_HGRIDCOLROW InsertColRow(FX_BOOL bColumn, FX_INT32 nIndex = -1);
virtual FX_INT32 CountColRows(FX_BOOL bColumn);
virtual FWL_HGRIDCOLROW GetColRow(FX_BOOL bColumn, FX_INT32 nIndex);
virtual FX_INT32 GetIndex(FWL_HGRIDCOLROW hColRow);
virtual FX_FLOAT GetSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT &eUnit);
virtual FWL_ERR SetSize(FWL_HGRIDCOLROW hColRow, FX_FLOAT fSize, FWL_GRIDUNIT eUnit);
virtual FX_FLOAT GetMinSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT &eUnit);
virtual FWL_ERR SetMinSize(FWL_HGRIDCOLROW hColRow, FX_FLOAT fSize, FWL_GRIDUNIT eUnit);
virtual FX_FLOAT GetMaxSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT &eUnit);
virtual FWL_ERR SetMaxSize(FWL_HGRIDCOLROW hColRow, FX_FLOAT fSize, FWL_GRIDUNIT eUnit);
virtual FX_BOOL DeleteColRow(FWL_HGRIDCOLROW hColRow);
virtual FX_BOOL IsColumn(FWL_HGRIDCOLROW hColRow);
virtual FX_INT32 GetWidgetPos(IFWL_Widget *pWidget, FX_BOOL bColumn);
virtual FWL_ERR SetWidgetPos(IFWL_Widget *pWidget, FX_INT32 iPos, FX_BOOL bColumn);
virtual FX_INT32 GetWidgetSpan(IFWL_Widget *pWidget, FX_BOOL bColumn);
virtual FWL_ERR SetWidgetSpan(IFWL_Widget *pWidget, FX_INT32 iSpan, FX_BOOL bColumn);
virtual FX_FLOAT GetWidgetSize(IFWL_Widget *pWidget, FWL_GRIDSIZE eSize, FWL_GRIDUNIT &eUnit);
virtual FWL_ERR SetWidgetSize(IFWL_Widget *pWidget, FWL_GRIDSIZE eSize, FX_FLOAT fSize, FWL_GRIDUNIT eUit);
virtual FX_BOOL GetWidgetMargin(IFWL_Widget *pWidget, FWL_GRIDMARGIN eMargin, FX_FLOAT &fMargin);
virtual FWL_ERR SetWidgetMargin(IFWL_Widget *pWidget, FWL_GRIDMARGIN eMargin, FX_FLOAT fMargin);
virtual FWL_ERR RemoveWidgetMargin(IFWL_Widget *pWidget, FWL_GRIDMARGIN eMargin);
virtual FX_FLOAT GetGridSize(FWL_GRIDSIZE eSize, FWL_GRIDUNIT &eUnit);
virtual FWL_ERR SetGridSize(FWL_GRIDSIZE eSize, FX_FLOAT fSize, FWL_GRIDUNIT eUit);
protected:
CFWL_GridWidgetInfo* GetWidgetInfo(IFWL_Widget* pWidget);
void ProcFixedColRow(CFWL_GridColRow *pColRow, FX_INT32 nIndex, FX_FLOAT fColRowSize, FX_BOOL bColumn);
void ProcAutoColRow(CFWL_GridColRow *pColRow, FX_INT32 nIndex, FX_BOOL bColumn);
void ProcScaledColRow(CFWL_GridColRow *pColRow, FX_INT32 nIndex, FX_FLOAT fColRowSize, FX_BOOL bColumn);
void CalcWidgetWidth(IFWL_Widget *pWidget, CFWL_GridWidgetInfo *pInfo, FX_FLOAT fColunmWidth);
void CalcWidgetHeigt(IFWL_Widget *pWidget, CFWL_GridWidgetInfo *pInfo, FX_FLOAT fRowHeigt);
FX_FLOAT CalcAutoColumnWidgetWidth(IFWL_Widget *pWidget, CFWL_GridWidgetInfo* pInfo);
FX_FLOAT CalcAutoColumnWidgetHeight(IFWL_Widget *pWidget, CFWL_GridWidgetInfo* pInfo);
FX_FLOAT ProcessColumns(FX_FLOAT fWidth);
FX_FLOAT ProcessRows(FX_FLOAT fHeight);
FX_FLOAT ProcessUnCertainColumns();
FX_FLOAT ProcessUnCertainRows();
FX_BOOL SetColRowActualSize(CFWL_GridColRow *pColRow, FX_FLOAT fSize, FX_BOOL bSetBeyond = FALSE);
FX_FLOAT SetWidgetActualWidth(CFWL_GridWidgetInfo *pInfo, FX_FLOAT fWidth);
FX_FLOAT SetWidgetActualHeight(CFWL_GridWidgetInfo *pInfo, FX_FLOAT fHeight);
void SetAllWidgetsRect();
FX_BOOL IsGrid(IFWL_Widget *pWidget);
void SetSpanAutoColRowSize(const CFX_PtrArray &spanAutos, FX_FLOAT fTotalSize);
void SetSpanScaledColRowSize(const CFX_PtrArray &spanScaleds, FX_FLOAT fTotalSize, FX_FLOAT fTotalScaledNum);
void SetScaledColRowsSize(const CFX_PtrArray &spanScaleds, FX_FLOAT fTotalSize, FX_FLOAT fTotalScaledNum);
CFX_PtrArray m_Rows;
CFX_PtrArray m_Columns;
CFX_PtrArray m_Widgets;
CFX_MapPtrToPtr m_mapWidgetInfo;
CFWL_GridLength m_Size[6];
friend class CFWL_GridDelegate;
};
class CFWL_GridDelegate : public CFWL_WidgetImpDelegate
{
public:
CFWL_GridDelegate(CFWL_GridImp *pOwner);
virtual FX_INT32 OnProcessMessage(CFWL_Message *pMessage);
virtual FWL_ERR OnDrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);
protected:
CFWL_GridImp *m_pOwner;
};
#endif
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