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# ifndef DOC_SELECT_H
# define DOC_SELECT_H
/************************************************************************/
/* */
/* Forward declarations of structs. */
/* */
/************************************************************************/
struct BufferDocument;
struct BufferItem;
struct DocumentField;
/************************************************************************/
/* */
/* Used to layout lines of text. */
/* */
/* A0 paper is 4* 30 cm high: 28.3465* 120* 20= 68031.6 Twips. */
/* So an unsigned short limits us to A1 paper. */
/* */
/************************************************************************/
typedef struct LayoutPosition
{
unsigned short lpPageYTwips;
unsigned short lpPage;
unsigned char lpColumn;
unsigned char lpAtTopOfColumn;
} LayoutPosition;
/************************************************************************/
/* */
/* A position in a document. */
/* */
/* 1) Indication for the kind of root item for the selection. */
/* 2) Geometry is derived from the position, NOT the other way round. */
/* */
/* A) Indication for the kind of root item for the selection. */
/* B) When the selection is not in the body of the document, the */
/* number of the section that the external item belongs to. */
/* D) If the external item is a footnote/endnote: The index in the */
/* array of notes in the section. */
/* */
/* E) The beginning, end and anchor of the selection. The order is in */
/* the reding direction. NOT in the order that the selection was */
/* made. USE EXTREME CARE WHEN YOU REFER TO THE OLD POSITION IN */
/* EDITING CODE. */
/* */
/************************************************************************/
typedef struct DocumentPosition
{
struct BufferItem * dpBi;
int dpParticule;
int dpStroff;
} DocumentPosition;
typedef struct SelectionScope
{
int ssInExternalItem; /* A */
int ssSectNrExternalTo; /* B */
int ssNoteArrayIndex; /* D */
} SelectionScope;
typedef struct DocumentSelection
{
SelectionScope dsSelectionScope;
DocumentPosition dsBegin; /* E */
DocumentPosition dsEnd; /* E */
DocumentPosition dsAnchor; /* E */
int dsCol0;
int dsCol1;
int dsDirection;
} DocumentSelection;
/* 2 */
typedef struct PositionGeometry
{
int pgLine;
int pgXPixels;
LayoutPosition pgTopPosition;
int pgY1Pixels;
int pgBaselinePixels;
} PositionGeometry;
typedef struct SelectionGeometry
{
DocumentRectangle sgRectangle;
PositionGeometry sgBegin; /* E */
PositionGeometry sgEnd; /* E */
PositionGeometry sgAnchor; /* E */
} SelectionGeometry;
typedef struct TableRectangle
{
int trCol0;
int trCol1;
int trCol11;
int trRow00;
int trRow0;
int trRow1;
int trRow11;
} TableRectangle;
# define docPositionsInsideCell(b,e) \
((b)->dpBi->biParent == (e)->dpBi->biParent)
# define docPositionsInsideRow(b,e) \
((b)->dpBi->biParent->biParent == (e)->dpBi->biParent->biParent)
# define docSelectionInsideCell(ds) \
docPositionsInsideCell(&(ds)->dsBegin,&(ds)->dsEnd)
# define docSelectionInsideRow(ds) \
docPositionsInsideRow(&(ds)->dsBegin,&(ds)->dsEnd)
/************************************************************************/
/* */
/* Routine Declarations. */
/* */
/************************************************************************/
extern void docInitDocumentPosition( DocumentPosition * dp );
extern void docInitDocumentSelection( DocumentSelection * ds );
extern void docInitPositionGeometry( PositionGeometry * pg );
extern void docInitSelectionGeometry( SelectionGeometry * sg );
extern void docSetIBarSelection( DocumentSelection * ds,
const DocumentPosition * dp );
extern int docIsIBarSelection( const DocumentSelection * ds );
extern int docIsParaSelection( const DocumentSelection * ds );
extern int docGetObjectSelection( DocumentSelection * ds,
DocumentPosition * dpObject,
InsertedObject ** pIo );
extern void docSetRangeSelection(
DocumentSelection * ds,
const DocumentPosition * dpFrom,
const DocumentPosition * dpTo,
int direction,
int col0,
int col1 );
extern int docBeginOfLine( DocumentPosition * dp );
extern int docEndOfLine( DocumentPosition * dp );
# endif /* DOC_SELECT_H */
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