xfa/include/fwl/core/fwl_grid.h

// 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_H
#define _FWL_GRID_H
class IFWL_Widget;
class IFWL_Content;
class IFWL_Grid;
#define FWL_CLASS_Grid			L"FWL_GRID"
#define FWL_CLASSHASH_Grid		3150298670
#define FWL_GRIDSTYLEEXT_ShowGridLines (1L << 0)
struct FWL_LAYOUTDATA {
    FX_FLOAT fWidth;
    FX_FLOAT fHeight;
};
enum FWL_GRIDUNIT {
    FWL_GRIDUNIT_Auto = 0,
    FWL_GRIDUNIT_Fixed,
    FWL_GRIDUNIT_Scaled,
    FWL_GRIDUNIT_Infinity,
};
enum FWL_GRIDMARGIN {
    FWL_GRIDMARGIN_Left = 0,
    FWL_GRIDMARGIN_Top,
    FWL_GRIDMARGIN_Right,
    FWL_GRIDMARGIN_Bottom,
};
enum FWL_GRIDSIZE {
    FWL_GRIDSIZE_Width = 0,
    FWL_GRIDSIZE_Height,
    FWL_GRIDSIZE_MinWidth,
    FWL_GRIDSIZE_MinHeight,
    FWL_GRIDSIZE_MaxWidth,
    FWL_GRIDSIZE_MaxHeight,
};
typedef struct _FWL_HGRIDCOLROW {
    void* pData;
} * FWL_HGRIDCOLROW;
class IFWL_Grid : public IFWL_Content
{
public:
    static IFWL_Grid*	Create();
    FWL_ERR				Initialize();
    FWL_ERR				Initialize(CFWL_WidgetImpProperties &properties);

    FWL_HGRIDCOLROW		InsertColRow(FX_BOOL bColumn, int32_t nIndex = -1);
    int32_t			CountColRows(FX_BOOL bColumn);
    FWL_HGRIDCOLROW		GetColRow(FX_BOOL bColumn, int32_t nIndex);
    int32_t			GetIndex(FWL_HGRIDCOLROW hColRow);
    FX_FLOAT			GetSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT &eUnit);
    FWL_ERR				SetSize(FWL_HGRIDCOLROW hColRow, FX_FLOAT fSize, FWL_GRIDUNIT eUnit);
    FX_FLOAT			GetMinSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT &eUnit);
    FWL_ERR				SetMinSize(FWL_HGRIDCOLROW hColRow, FX_FLOAT fSize, FWL_GRIDUNIT eUnit);
    FX_FLOAT			GetMaxSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT &eUnit);
    FWL_ERR				SetMaxSize(FWL_HGRIDCOLROW hColRow, FX_FLOAT fSize, FWL_GRIDUNIT eUnit);
    FX_BOOL				DeleteColRow(FWL_HGRIDCOLROW hColRow);
    FX_BOOL				IsColumn(FWL_HGRIDCOLROW hColRow);
    int32_t			GetWidgetPos(IFWL_Widget *pWidget, FX_BOOL bColumn);
    FWL_ERR				SetWidgetPos(IFWL_Widget *pWidget, int32_t iPos, FX_BOOL bColumn);
    int32_t			GetWidgetSpan(IFWL_Widget *pWidget, FX_BOOL bColumn);
    FWL_ERR				SetWidgetSpan(IFWL_Widget *pWidget, int32_t iSpan, FX_BOOL bColumn);
    FX_FLOAT			GetWidgetSize(IFWL_Widget *pWidget, FWL_GRIDSIZE eSize, FWL_GRIDUNIT &eUnit);
    FWL_ERR				SetWidgetSize(IFWL_Widget *pWidget, FWL_GRIDSIZE eSize, FX_FLOAT fSize, FWL_GRIDUNIT eUit);
    FX_BOOL				GetWidgetMargin(IFWL_Widget *pWidget, FWL_GRIDMARGIN eMargin, FX_FLOAT &fMargin);
    FWL_ERR				SetWidgetMargin(IFWL_Widget *pWidget, FWL_GRIDMARGIN eMargin, FX_FLOAT fMargin);
    FWL_ERR				RemoveWidgetMargin(IFWL_Widget *pWidget, FWL_GRIDMARGIN eMargin);
    FX_FLOAT			GetGridSize(FWL_GRIDSIZE eSize, FWL_GRIDUNIT &eUnit);
    FWL_ERR				SetGridSize(FWL_GRIDSIZE eSize, FX_FLOAT fSize, FWL_GRIDUNIT eUit);
protected:
    IFWL_Grid();
    virtual ~IFWL_Grid();
};
#endif