/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef SC_INC_VIEWDATA_HXX
#define SC_INC_VIEWDATA_HXX

#include <sfx2/zoomitem.hxx>
#include "rangelst.hxx"
#include "scdllapi.h"
#include "viewopti.hxx"
#include "docsh.hxx"

#include <memory>
#include <o3tl/typed_flags_set.hxx>

#define SC_SIZE_NONE        65535
const SCCOL SC_TABSTART_NONE = SCCOL_MAX;

enum class ScFillMode
{
    NONE        = 0,
    FILL        = 1,
    EMBED_LT    = 2,
    EMBED_RB    = 3,
    MATRIX      = 4,
};

enum ScSplitMode { SC_SPLIT_NONE = 0, SC_SPLIT_NORMAL, SC_SPLIT_FIX };

enum ScSplitPos { SC_SPLIT_TOPLEFT, SC_SPLIT_TOPRIGHT, SC_SPLIT_BOTTOMLEFT, SC_SPLIT_BOTTOMRIGHT };
enum ScHSplitPos { SC_SPLIT_LEFT, SC_SPLIT_RIGHT };
enum ScVSplitPos { SC_SPLIT_TOP, SC_SPLIT_BOTTOM };

inline ScHSplitPos WhichH( ScSplitPos ePos );
inline ScVSplitPos WhichV( ScSplitPos ePos );

/**  Screen behavior related to cursor movements */
enum ScFollowMode { SC_FOLLOW_NONE, SC_FOLLOW_LINE, SC_FOLLOW_FIX, SC_FOLLOW_JUMP };

/** Mouse mode to select areas */
enum ScRefType { SC_REFTYPE_NONE, SC_REFTYPE_REF, SC_REFTYPE_FILL,
                    SC_REFTYPE_EMBED_LT, SC_REFTYPE_EMBED_RB };

/** States GetSimpleArea() returns for the underlying selection marks, so the
    caller can react if the result is not of type SC_MARK_SIMPLE. */
enum ScMarkType
{
    SC_MARK_NONE            = 0,    // Not returned by GetSimpleArea(), used internally.
                                    // Nothing marked always results in the
                                    // current cursor position being selected and a simple mark.
    SC_MARK_SIMPLE          = 1,    // Simple rectangular area marked, no filtered rows.
    SC_MARK_FILTERED        = 2,    // At least one mark contains filtered rows.
    SC_MARK_SIMPLE_FILTERED =       // Simple rectangular area marked containing filtered rows.
        SC_MARK_SIMPLE |
        SC_MARK_FILTERED,  // 3
    SC_MARK_MULTI           = 4     // Multiple selection marks.
    /* TODO: if filtered multi-selection was implemented, this would be the value to use. */
#if 0
        ,
    SC_MARK_MULTI_FILTERED  =       // Multiple selection marks containing filtered rows.
        SC_MARK_MULTI |
        SC_MARK_FILTERED   // 6
#endif
};

enum ScPasteFlags
{
    SC_PASTE_NONE   = 0,    // No flags specified
    SC_PASTE_MODE   = 1,    // Enable paste-mode
    SC_PASTE_BORDER = 2,    // Show a border around the source cells
};

// for internal Drag&Drop:
enum class ScDragSrc{
    Undefined = 0,
    Navigator = 1,
    Table     = 2
};
namespace o3tl {
    template<> struct typed_flags<ScDragSrc> : is_typed_flags<ScDragSrc, 0x00000003> {};
}

class ScDocFunc;
class ScDocShell;
class ScDocument;
class ScDBFunc;
class ScTabViewShell;
class ScDrawView;
class ScEditEngineDefaulter;
class EditView;
class EditStatus;
class Outliner;
namespace vcl { class Window; }
class SfxObjectShell;
class SfxBindings;
class SfxDispatcher;
class ScPatternAttr;
class ScExtDocOptions;
class ScViewData;
class ScMarkData;
class ScGridWindow;

class ScViewDataTable                           // per-sheet data
{
friend class ScViewData;
private:
    SvxZoomType     eZoomType;                  // selected zoom type (normal view)
    Fraction        aZoomX;                     // selected zoom X
    Fraction        aZoomY;                     // selected zoom Y (displayed)
    Fraction        aPageZoomX;                 // zoom in page break preview mode
    Fraction        aPageZoomY;

    long            nTPosX[2];                  // MapMode - Offset (Twips)
    long            nTPosY[2];
    long            nMPosX[2];                  // MapMode - Offset (1/100 mm)
    long            nMPosY[2];
    long            nPixPosX[2];                // Offset in Pixels
    long            nPixPosY[2];
    long            nHSplitPos;
    long            nVSplitPos;

    ScSplitMode     eHSplitMode;
    ScSplitMode     eVSplitMode;
    ScSplitPos      eWhichActive;

    SCCOL           nFixPosX;                   // Cell position of the splitter when freeze pane
    SCROW           nFixPosY;

    SCCOL           nCurX;
    SCROW           nCurY;
    SCCOL           nOldCurX;
    SCROW           nOldCurY;
    SCCOL           nPosX[2];                   ///< X position of the top left cell of the visible area.
    SCROW           nPosY[2];                   ///< Y position of the top left cell of the visible area.
    SCCOL           nMaxTiledCol;
    SCROW           nMaxTiledRow;

    bool            bShowGrid;                  // per sheet show grid lines option.
    bool            mbOldCursorValid;           // "virtual" Cursor position when combined
                    ScViewDataTable();

    void            WriteUserDataSequence(
                        css::uno::Sequence <css::beans::PropertyValue>& rSettings,
                        const ScViewData& rViewData, SCTAB nTab ) const;

    void            ReadUserDataSequence(
                        const css::uno::Sequence <css::beans::PropertyValue>& rSettings,
                        ScViewData& rViewData, SCTAB nTab, bool& rHasZoom);
public:
    ~ScViewDataTable();
};

class SC_DLLPUBLIC ScViewData
{
private:
    double              nPPTX, nPPTY;               // Scaling factors

    ::std::vector<ScViewDataTable*> maTabData;
    std::unique_ptr<ScMarkData> mpMarkData;
    ScViewDataTable*    pThisTab;                   // Data of the displayed sheet
    ScDocShell*         pDocShell;
    ScDocument*         pDoc;
    ScDBFunc*           pView;
    ScTabViewShell*     pViewShell;
    EditView*           pEditView[4];               // Belongs to the window
    ScViewOptions*      pOptions;
    EditView*           pSpellingView;

    Size                aScenButSize;

    Size                aScrSize;
    MapMode             aLogicMode;                 // skalierter 1/100mm-MapMode

    SvxZoomType         eDefZoomType;               // default zoom and type for missing TabData
    Fraction            aDefZoomX;
    Fraction            aDefZoomY;
    Fraction            aDefPageZoomX;              // zoom in page break preview mode
    Fraction            aDefPageZoomY;

    ScRefType           eRefType;

    SCTAB               nTabNo;                     // displayed sheet
    SCTAB               nRefTabNo;                  // sheet which contains RefInput
    SCCOL               nRefStartX;
    SCROW               nRefStartY;
    SCTAB               nRefStartZ;
    SCCOL               nRefEndX;
    SCROW               nRefEndY;
    SCTAB               nRefEndZ;
    SCCOL               nFillStartX;                // Fill Cursor
    SCROW               nFillStartY;
    SCCOL               nFillEndX;
    SCROW               nFillEndY;
    SCCOL               nEditCol;                   // Related position
    SCROW               nEditRow;
    SCCOL               nEditStartCol;
    SCCOL               nEditEndCol;                // End of Edit View
    SCROW               nEditEndRow;
    SCCOL               nTabStartCol;               // for Enter after Tab
    ScRange             aDelRange;                  // for delete AutoFill

    ScPasteFlags        nPasteFlags;

    ScSplitPos          eEditActivePart;            // the part that was active when edit mode was started
    ScFillMode          nFillMode;
    SvxAdjust           eEditAdjust;
    bool                bEditActive[4];             // Active?
    bool                bActive:1;                  // Active Window ?
    bool                bIsRefMode:1;               // Reference input
    bool                bDelMarkValid:1;            // Only valid at SC_REFTYPE_FILL
    bool                bPagebreak:1;               // Page break preview mode
    bool                bSelCtrlMouseClick:1;       // special selection handling for ctrl-mouse-click
    bool                bMoveArea:1;

    bool                bGrowing;

    long                m_nLOKPageUpDownOffset;
    
    DECL_DLLPRIVATE_LINK( EditEngineHdl, EditStatus&, void );


    SAL_DLLPRIVATE void          CalcPPT();
    SAL_DLLPRIVATE void          CreateTabData( SCTAB nNewTab );
    SAL_DLLPRIVATE void          CreateTabData( std::vector< SCTAB >& rvTabs );
    SAL_DLLPRIVATE void          CreateSelectedTabData();
    SAL_DLLPRIVATE void          EnsureTabDataSize(size_t nSize);
    SAL_DLLPRIVATE void          UpdateCurrentTab();

public:
                    ScViewData( ScDocShell* pDocSh, ScTabViewShell* pViewSh );
                    ScViewData( const ScViewData& rViewData );
                    ~ScViewData();

    void            InitData( ScDocument* pDocument );

    ScDocShell*     GetDocShell() const     { return pDocShell; }
    ScDocFunc&      GetDocFunc() const;
    ScDBFunc*       GetView() const         { return pView; }
    ScTabViewShell* GetViewShell() const    { return pViewShell; }
    SfxObjectShell* GetSfxDocShell() const  { return pDocShell; }
    SfxBindings&    GetBindings();          // from ViewShell's ViewFrame
    SfxDispatcher&  GetDispatcher();        // from ViewShell's ViewFrame

    ScMarkData&     GetMarkData();
    const ScMarkData& GetMarkData() const;

    vcl::Window*         GetDialogParent();          // forwarded from tabvwsh
    ScGridWindow*   GetActiveWin();             // from View
    const ScGridWindow* GetActiveWin() const;
    ScDrawView*     GetScDrawView();            // from View
    bool            IsMinimized();              // from View

    void            UpdateInputHandler( bool bForce = false );

    void            WriteUserData(OUString& rData);
    void            ReadUserData(const OUString& rData);
    void            WriteExtOptions( ScExtDocOptions& rOpt ) const;
    void            ReadExtOptions( const ScExtDocOptions& rOpt );
    void            WriteUserDataSequence(css::uno::Sequence <css::beans::PropertyValue>& rSettings) const;
    void            ReadUserDataSequence(const css::uno::Sequence <css::beans::PropertyValue>& rSettings);

    ScDocument*     GetDocument() const;

    bool            IsActive() const            { return bActive; }
    void            Activate(bool bActivate)    { bActive = bActivate; }

    void            InsertTab( SCTAB nTab );
    void            InsertTabs( SCTAB nTab, SCTAB nNewSheets );
    void            DeleteTab( SCTAB nTab );
    void            DeleteTabs( SCTAB nTab, SCTAB nSheets );
    void            CopyTab( SCTAB nSrcTab, SCTAB nDestTab );
    void            MoveTab( SCTAB nSrcTab, SCTAB nDestTab );

    SCTAB           GetRefTabNo() const                     { return nRefTabNo; }
    void            SetRefTabNo( SCTAB nNewTab )            { nRefTabNo = nNewTab; }

    SCTAB           GetTabNo() const                        { return nTabNo; }
    ScSplitPos      GetActivePart() const                   { return pThisTab->eWhichActive; }
    SCCOL           GetPosX( ScHSplitPos eWhich ) const     { return pThisTab->nPosX[eWhich]; }
    SCROW           GetPosY( ScVSplitPos eWhich ) const     { return pThisTab->nPosY[eWhich]; }
    SCCOL           GetCurX() const                         { return pThisTab->nCurX; }
    SCROW           GetCurY() const                         { return pThisTab->nCurY; }
    SCCOL           GetOldCurX() const;
    SCROW           GetOldCurY() const;
    ScSplitMode     GetHSplitMode() const                   { return pThisTab->eHSplitMode; }
    ScSplitMode     GetVSplitMode() const                   { return pThisTab->eVSplitMode; }
    long            GetHSplitPos() const                    { return pThisTab->nHSplitPos; }
    long            GetVSplitPos() const                    { return pThisTab->nVSplitPos; }
    SCCOL           GetFixPosX() const                      { return pThisTab->nFixPosX; }
    SCROW           GetFixPosY() const                      { return pThisTab->nFixPosY; }
    SCCOL           GetMaxTiledCol() const                  { return pThisTab->nMaxTiledCol; }
    SCROW           GetMaxTiledRow() const                  { return pThisTab->nMaxTiledRow; }

    bool            IsPagebreakMode() const                 { return bPagebreak; }
    bool            IsPasteMode() const                     { return (nPasteFlags & SC_PASTE_MODE) != 0; }
    bool            ShowPasteSource() const                 { return (nPasteFlags & SC_PASTE_BORDER) != 0; }

    void            SetPosX( ScHSplitPos eWhich, SCCOL nNewPosX );
    void            SetPosY( ScVSplitPos eWhich, SCROW nNewPosY );
    void            SetCurX( SCCOL nNewCurX )                       { pThisTab->nCurX = nNewCurX; }
    void            SetCurY( SCROW nNewCurY )                       { pThisTab->nCurY = nNewCurY; }
    void            SetOldCursor( SCCOL nNewX, SCROW nNewY );
    void            ResetOldCursor();
    void            SetHSplitMode( ScSplitMode eMode )              { pThisTab->eHSplitMode = eMode; }
    void            SetVSplitMode( ScSplitMode eMode )              { pThisTab->eVSplitMode = eMode; }
    void            SetHSplitPos( long nPos )                       { pThisTab->nHSplitPos = nPos; }
    void            SetVSplitPos( long nPos )                       { pThisTab->nVSplitPos = nPos; }
    void            SetFixPosX( SCCOL nPos )                        { pThisTab->nFixPosX = nPos; }
    void            SetFixPosY( SCROW nPos )                        { pThisTab->nFixPosY = nPos; }
    void            SetMaxTiledCol( SCCOL nCol )                    { pThisTab->nMaxTiledCol = nCol; }
    void            SetMaxTiledRow( SCROW nRow )                    { pThisTab->nMaxTiledRow = nRow; }

    void            SetPagebreakMode( bool bSet );
    void            SetPasteMode ( ScPasteFlags nFlags )            { nPasteFlags = nFlags; }

    void            SetZoomType( SvxZoomType eNew, bool bAll );
    void            SetZoomType( SvxZoomType eNew, std::vector< SCTAB >& tabs );
    void            SetZoom( const Fraction& rNewX, const Fraction& rNewY, std::vector< SCTAB >& tabs );
    void            SetZoom( const Fraction& rNewX, const Fraction& rNewY, bool bAll );
    void            RefreshZoom();

    void            SetSelCtrlMouseClick( bool bTmp ) { bSelCtrlMouseClick = bTmp; }

    SvxZoomType     GetZoomType() const     { return pThisTab->eZoomType; }
    const Fraction& GetZoomX() const        { return bPagebreak ? pThisTab->aPageZoomX : pThisTab->aZoomX; }
    const Fraction& GetZoomY() const        { return bPagebreak ? pThisTab->aPageZoomY : pThisTab->aZoomY; }

    void            SetShowGrid( bool bShow );
    bool            GetShowGrid() const { return pThisTab->bShowGrid; }

    const MapMode&  GetLogicMode( ScSplitPos eWhich );
    const MapMode&  GetLogicMode();                     // Offset 0

    double          GetPPTX() const { return nPPTX; }
    double          GetPPTY() const { return nPPTY; }

    ScMarkType      GetSimpleArea( SCCOL& rStartCol, SCROW& rStartRow, SCTAB& rStartTab,
                                    SCCOL& rEndCol, SCROW& rEndRow, SCTAB& rEndTab ) const;
    ScMarkType      GetSimpleArea( ScRange& rRange ) const;
                    /// May modify rNewMark using MarkToSimple().
    ScMarkType      GetSimpleArea( ScRange & rRange, ScMarkData & rNewMark ) const;
    void            GetMultiArea( ScRangeListRef& rRange ) const;

    bool            SimpleColMarked();
    bool            SimpleRowMarked();

    bool            IsMultiMarked();

                    /** Disallow cell fill (Paste,Fill,...) on Ctrl+A all
                        selected or another high amount of selected cells.
                        We'd go DOOM.
                     */
    bool            SelectionForbidsCellFill();
                    /// Determine DOOM condition, i.e. from selected range.
    static bool     SelectionFillDOOM( const ScRange& rRange );

    void            SetFillMode( SCCOL nStartCol, SCROW nStartRow, SCCOL nEndCol, SCROW nEndRow );
    void            SetDragMode( SCCOL nStartCol, SCROW nStartRow, SCCOL nEndCol, SCROW nEndRow,
                                    ScFillMode nMode );
    void            GetFillData( SCCOL& rStartCol, SCROW& rStartRow,
                                 SCCOL& rEndCol, SCROW& rEndRow );
    void            ResetFillMode();
    bool            IsAnyFillMode()             { return nFillMode != ScFillMode::NONE; }
    bool            IsFillMode()                { return nFillMode == ScFillMode::FILL; }
    ScFillMode      GetFillMode()               { return nFillMode; }

    SvxAdjust       GetEditAdjust() const {return eEditAdjust; }
    void            SetEditAdjust( SvxAdjust eNewEditAdjust ) { eEditAdjust = eNewEditAdjust; }

                    // TRUE: Cell is merged
    bool            GetMergeSizePixel( SCCOL nX, SCROW nY, long& rSizeXPix, long& rSizeYPix ) const;
    void            GetPosFromPixel( long nClickX, long nClickY, ScSplitPos eWhich,
                                        SCsCOL& rPosX, SCsROW& rPosY,
                                        bool bTestMerge = true, bool bRepair = false );
    void            GetMouseQuadrant( const Point& rClickPos, ScSplitPos eWhich,
                                        SCsCOL nPosX, SCsROW nPosY, bool& rLeft, bool& rTop );

    bool            IsRefMode() const                       { return bIsRefMode; }
    ScRefType       GetRefType() const                      { return eRefType; }
    SCCOL           GetRefStartX() const                    { return nRefStartX; }
    SCROW           GetRefStartY() const                    { return nRefStartY; }
    SCTAB           GetRefStartZ() const                    { return nRefStartZ; }
    SCCOL           GetRefEndX() const                      { return nRefEndX; }
    SCROW           GetRefEndY() const                      { return nRefEndY; }
    SCTAB           GetRefEndZ() const                      { return nRefEndZ; }

    void            SetRefMode( bool bNewMode, ScRefType eNewType )
                                    { bIsRefMode = bNewMode; eRefType = eNewType; }

    void            SetRefStart( SCCOL nNewX, SCROW nNewY, SCTAB nNewZ );
    void            SetRefEnd( SCCOL nNewX, SCROW nNewY, SCTAB nNewZ );

    void            ResetDelMark()                          { bDelMarkValid = false; }
    void            SetDelMark( const ScRange& rRange )
                            { aDelRange = rRange; bDelMarkValid = true; }

    bool            GetDelMark( ScRange& rRange ) const
                            { rRange = aDelRange; return bDelMarkValid; }

    inline void     GetMoveCursor( SCCOL& rCurX, SCROW& rCurY );

    const ScViewOptions&    GetOptions() const { return *pOptions; }
    void                    SetOptions( const ScViewOptions& rOpt );

    bool    IsGridMode      () const            { return pOptions->GetOption( VOPT_GRID ); }
    void    SetGridMode     ( bool bNewMode )   { pOptions->SetOption( VOPT_GRID, bNewMode ); }
    bool    IsSyntaxMode    () const            { return pOptions->GetOption( VOPT_SYNTAX ); }
    void    SetSyntaxMode   ( bool bNewMode )   { pOptions->SetOption( VOPT_SYNTAX, bNewMode ); }
    bool    IsHeaderMode    () const            { return pOptions->GetOption( VOPT_HEADER ); }
    void    SetHeaderMode   ( bool bNewMode )   { pOptions->SetOption( VOPT_HEADER, bNewMode ); }
    bool    IsTabMode       () const            { return pOptions->GetOption( VOPT_TABCONTROLS ); }
    void    SetTabMode      ( bool bNewMode )   { pOptions->SetOption( VOPT_TABCONTROLS, bNewMode ); }
    bool    IsVScrollMode   () const            { return pOptions->GetOption( VOPT_VSCROLL ); }
    void    SetVScrollMode  ( bool bNewMode )   { pOptions->SetOption( VOPT_VSCROLL, bNewMode ); }
    bool    IsHScrollMode   () const            { return pOptions->GetOption( VOPT_HSCROLL ); }
    void    SetHScrollMode  ( bool bNewMode )   { pOptions->SetOption( VOPT_HSCROLL, bNewMode ); }
    bool    IsOutlineMode   () const            { return pOptions->GetOption( VOPT_OUTLINER ); }
    void    SetOutlineMode  ( bool bNewMode )   { pOptions->SetOption( VOPT_OUTLINER, bNewMode ); }

    /// Force page size for PgUp/PgDown to overwrite the computation based on m_aVisArea.
    void ForcePageUpDownOffset(long nTwips) { m_nLOKPageUpDownOffset = nTwips; }
    long GetPageUpDownOffset() { return m_nLOKPageUpDownOffset; }

    void            KillEditView();
    void            ResetEditView();
    void            SetEditEngine( ScSplitPos eWhich,
                                    ScEditEngineDefaulter* pNewEngine,
                                    vcl::Window* pWin, SCCOL nNewX, SCROW nNewY );
    void            GetEditView( ScSplitPos eWhich, EditView*& rViewPtr, SCCOL& rCol, SCROW& rRow );
    bool            HasEditView( ScSplitPos eWhich ) const
                                        { return pEditView[eWhich] && bEditActive[eWhich]; }
    EditView*       GetEditView( ScSplitPos eWhich ) const
                                        { return pEditView[eWhich]; }

    /**
     * Extend the output area for the edit engine view in a horizontal
     * direction as needed.
     */
    void            EditGrowX();

    /**
     * Extend the output area for the edit engine view in a vertical direction
     * as needed.
     *
     * @param bInitial when true, then the call originates from a brand-new
     *                 edit engine instance.
     */
    void            EditGrowY( bool bInitial = false );

    ScSplitPos      GetEditActivePart() const       { return eEditActivePart; }
    SCCOL           GetEditViewCol() const          { return nEditCol; }
    SCROW           GetEditViewRow() const          { return nEditRow; }
    SCCOL           GetEditStartCol() const         { return nEditStartCol; }
    SCROW           GetEditStartRow() const         { return nEditRow; }        // never editing above the cell
    SCCOL           GetEditEndCol() const           { return nEditEndCol; }
    SCROW           GetEditEndRow() const           { return nEditEndRow; }

    Rectangle       GetEditArea( ScSplitPos eWhich, SCCOL nPosX, SCROW nPosY, vcl::Window* pWin,
                                    const ScPatternAttr* pPattern, bool bForceToTop );

    void            SetTabNo( SCTAB nNewTab );
    void            SetActivePart( ScSplitPos eNewActive );

    Point           GetScrPos( SCCOL nWhereX, SCROW nWhereY, ScSplitPos eWhich,
                                bool bAllowNeg = false ) const;
    Point           GetScrPos( SCCOL nWhereX, SCROW nWhereY, ScHSplitPos eWhich ) const;
    Point           GetScrPos( SCCOL nWhereX, SCROW nWhereY, ScVSplitPos eWhich ) const;

    SCCOL           CellsAtX( SCsCOL nPosX, SCsCOL nDir, ScHSplitPos eWhichX, sal_uInt16 nScrSizeY = SC_SIZE_NONE ) const;
    SCROW           CellsAtY( SCsROW nPosY, SCsROW nDir, ScVSplitPos eWhichY, sal_uInt16 nScrSizeX = SC_SIZE_NONE ) const;

    SCCOL           VisibleCellsX( ScHSplitPos eWhichX ) const;     // Completely visible cell
    SCROW           VisibleCellsY( ScVSplitPos eWhichY ) const;
    SCCOL           PrevCellsX( ScHSplitPos eWhichX ) const;        // Cells on the preceding page
    SCROW           PrevCellsY( ScVSplitPos eWhichY ) const;

    bool            IsOle();
    void            SetScreen( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2 );
    void            SetScreen( const Rectangle& rVisArea );
    void            SetScreenPos( const Point& rVisAreaStart );

    void            UpdateScreenZoom( const Fraction& rNewX, const Fraction& rNewY );

    const Size&     GetScrSize() const              { return aScrSize; }

    void            RecalcPixPos();
    Point           GetPixPos( ScSplitPos eWhich ) const
                    { return Point( pThisTab->nPixPosX[WhichH(eWhich)],
                                    pThisTab->nPixPosY[WhichV(eWhich)] ); }
    void            SetSpellingView( EditView* pSpView) { pSpellingView = pSpView; }
    EditView*       GetSpellingView() const { return pSpellingView; }

    void            UpdateOutlinerFlags( Outliner& rOutl ) const;

    Point           GetMousePosPixel();

    bool            UpdateFixX(SCTAB nTab = MAXTAB+1);
    bool            UpdateFixY(SCTAB nTab = MAXTAB+1);

    SCCOL           GetTabStartCol() const          { return nTabStartCol; }
    void            SetTabStartCol(SCCOL nNew)      { nTabStartCol = nNew; }

    ScAddress       GetCurPos() const;

    const Size&     GetScenButSize() const              { return aScenButSize; }
    void            SetScenButSize(const Size& rNew)    { aScenButSize = rNew; }

    bool            IsSelCtrlMouseClick() { return bSelCtrlMouseClick; }

    static inline long ToPixel( sal_uInt16 nTwips, double nFactor );

    /** while (rScrY <= nEndPixels && rPosY <= nEndRow) add pixels of row
        heights converted with nPPTY to rScrY, optimized for row height
        segments. Upon return rPosY is the last row evaluated <= nEndRow, rScrY
        may be > nEndPixels!
     */
    static void     AddPixelsWhile( long & rScrY, long nEndPixels,
                                    SCROW & rPosY, SCROW nEndRow, double nPPTY,
                                    const ScDocument * pDoc, SCTAB nTabNo );

    /** while (rScrY <= nEndPixels && rPosY >= nStartRow) add pixels of row
        heights converted with nPPTY to rScrY, optimized for row height
        segments. Upon return rPosY is the last row evaluated >= nStartRow,
        rScrY may be > nEndPixels!
     */
    static void     AddPixelsWhileBackward( long & rScrY, long nEndPixels,
                                    SCROW & rPosY, SCROW nStartRow, double nPPTY,
                                    const ScDocument * pDoc, SCTAB nTabNo );
};

inline long ScViewData::ToPixel( sal_uInt16 nTwips, double nFactor )
{
    long nRet = (long)( nTwips * nFactor );
    if ( !nRet && nTwips )
        nRet = 1;
    return nRet;
}

inline void ScViewData::GetMoveCursor( SCCOL& rCurX, SCROW& rCurY )
{
    if ( bIsRefMode )
    {
        rCurX = nRefEndX;
        rCurY = nRefEndY;
    }
    else
    {
        rCurX = GetCurX();
        rCurY = GetCurY();
    }
}

inline ScHSplitPos WhichH( ScSplitPos ePos )
{
    return (ePos==SC_SPLIT_TOPLEFT || ePos==SC_SPLIT_BOTTOMLEFT) ?
                SC_SPLIT_LEFT : SC_SPLIT_RIGHT;
}

inline ScVSplitPos WhichV( ScSplitPos ePos )
{
    return (ePos==SC_SPLIT_TOPLEFT || ePos==SC_SPLIT_TOPRIGHT) ?
                SC_SPLIT_TOP : SC_SPLIT_BOTTOM;
}

#endif

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