ui/uiview/viewport.cxx

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 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sw.hxx"


#include "hintids.hxx"
#include <vcl/help.hxx>
#include <svx/ruler.hxx>
#include <editeng/paperinf.hxx>
#include <editeng/lrspitem.hxx>
#include <sfx2/bindings.hxx>
#ifndef _VIEW_HXX
#include <view.hxx>
#endif
#include <wrtsh.hxx>
#include <swmodule.hxx>
#include <viewopt.hxx>
#include <frmatr.hxx>
#ifndef _DOCSH_HXX
#include <docsh.hxx>
#endif
#ifndef _CMDID_H
#include <cmdid.h>
#endif
#include <edtwin.hxx>
#include <scroll.hxx>
#ifndef _WVIEW_HXX
#include <wview.hxx>
#endif
#include <usrpref.hxx>
#include <pagedesc.hxx>
#include <workctrl.hxx>
#include <crsskip.hxx>

#include <PostItMgr.hxx>

#include <IDocumentSettingAccess.hxx>

//Das SetVisArea der DocShell darf nicht vom InnerResizePixel gerufen werden.
//Unsere Einstellungen muessen aber stattfinden.
#ifndef WB_RIGHT_ALIGNED
#define WB_RIGHT_ALIGNED    ((WinBits)0x00008000)
#endif

static sal_Bool bProtectDocShellVisArea = sal_False;

static sal_uInt16 nPgNum = 0;

sal_Bool SwView::IsDocumentBorder()
{
    return GetDocShell()->GetCreateMode() == SFX_CREATE_MODE_EMBEDDED ||
           pWrtShell->GetViewOptions()->getBrowseMode() ||
           SVX_ZOOM_PAGEWIDTH_NOBORDER == (SvxZoomType)pWrtShell->GetViewOptions()->GetZoomType();
}

inline long GetLeftMargin( SwView &rView )
{
    SvxZoomType eType = (SvxZoomType)rView.GetWrtShell().GetViewOptions()->GetZoomType();
	long lRet = rView.GetWrtShell().GetAnyCurRect(RECT_PAGE_PRT).Left();
	return eType == SVX_ZOOM_PERCENT   ? lRet + DOCUMENTBORDER :
           eType == SVX_ZOOM_PAGEWIDTH || eType == SVX_ZOOM_PAGEWIDTH_NOBORDER ? 0 :
										 lRet + DOCUMENTBORDER + nLeftOfst;
}

//-------------------------------------------------------------------------

void lcl_GetPos(SwView* pView,
				Point& rPos,
				SwScrollbar* pScrollbar,
				sal_Bool bBorder)
{
	SwWrtShell &rSh = pView->GetWrtShell();
	const Size aDocSz( rSh.GetDocSize() );

	const long lBorder = bBorder ? DOCUMENTBORDER : DOCUMENTBORDER * 2;
	sal_Bool bHori = pScrollbar->IsHoriScroll();

	const long lPos = pScrollbar->GetThumbPos() + (bBorder ? DOCUMENTBORDER : 0);
	long Point:: *pPt = bHori ? &Point::nA : &Point::nB;
	long Size::  *pSz = bHori ? &Size::nA  : &Size::nB;

	long lDelta = lPos - rSh.VisArea().Pos().*pPt;
	const long lSize = aDocSz.*pSz + lBorder;
	// Bug 11693: sollte rechts oder unten zuviel Wiese sein, dann muss
	// 			  diese von der VisArea herausgerechnet werden!
	long nTmp = pView->GetVisArea().Right()+lDelta;
	if ( bHori && nTmp > lSize )
		lDelta -= nTmp - lSize;
	nTmp = pView->GetVisArea().Bottom()+lDelta;
	if ( !bHori && nTmp > lSize )
		lDelta -= nTmp - lSize;

	rPos.*pPt += lDelta;
	if ( bBorder && rPos.*pPt < DOCUMENTBORDER )
		rPos.*pPt = DOCUMENTBORDER;
}

/*--------------------------------------------------------------------
	Beschreibung:	Nullpunkt Lineal setzen
 --------------------------------------------------------------------*/

void SwView::InvalidateRulerPos()
{
	static sal_uInt16 __READONLY_DATA aInval[] =
	{
		SID_ATTR_PARA_LRSPACE, SID_RULER_BORDERS, SID_RULER_PAGE_POS,
		SID_RULER_LR_MIN_MAX, SID_ATTR_LONG_ULSPACE, SID_ATTR_LONG_LRSPACE,
        SID_RULER_BORDER_DISTANCE,
        SID_ATTR_PARA_LRSPACE_VERTICAL, SID_RULER_BORDERS_VERTICAL,
        SID_RULER_TEXT_RIGHT_TO_LEFT,
        SID_RULER_ROWS, SID_RULER_ROWS_VERTICAL, FN_STAT_PAGE,
        0
	};

	GetViewFrame()->GetBindings().Invalidate(aInval);

    DBG_ASSERT(pHRuler, "warum ist das Lineal nicht da?");
    pHRuler->ForceUpdate();
    pVRuler->ForceUpdate();
}

/*--------------------------------------------------------------------
	Beschreibung:	begrenzt das Scrollen soweit, dass jeweils nur einen
					viertel Bildschirm bis vor das Ende des Dokumentes
					gescrollt werden kann.
 --------------------------------------------------------------------*/

long SwView::SetHScrollMax( long lMax )
{
	const long lBorder = IsDocumentBorder() ? DOCUMENTBORDER : DOCUMENTBORDER * 2;
	const long lSize = GetDocSz().Width() + lBorder - aVisArea.GetWidth();

	// bei negativen Werten ist das Dokument vollstaendig sichtbar;
	// in diesem Fall kein Scrollen
	return Max( Min( lMax, lSize ), 0L );
}


long SwView::SetVScrollMax( long lMax )
{
	const long lBorder = IsDocumentBorder() ? DOCUMENTBORDER : DOCUMENTBORDER * 2;
	long lSize = GetDocSz().Height() + lBorder - aVisArea.GetHeight();
	return Max( Min( lMax, lSize), 0L );		// siehe horz.
}


Point SwView::AlignToPixel(const Point &rPt) const
{
	return GetEditWin().PixelToLogic( GetEditWin().LogicToPixel( rPt ) );
}

/*--------------------------------------------------------------------
	Beschreibung:	Dokumentgroesse hat sich geaendert
 --------------------------------------------------------------------*/

void SwView::DocSzChgd(const Size &rSz)
{

extern int bDocSzUpdated;


aDocSz = rSz;

	if( !pWrtShell || aVisArea.IsEmpty() )		// keine Shell -> keine Aenderung
	{
		bDocSzUpdated = sal_False;
		return;
	}

	//Wenn Text geloescht worden ist, kann es sein, dass die VisArea hinter
	//den sichtbaren Bereich verweist
	Rectangle aNewVisArea( aVisArea );
	bool bModified = false;
	SwTwips lGreenOffset = IsDocumentBorder() ? DOCUMENTBORDER : DOCUMENTBORDER * 2;
	SwTwips lTmp = aDocSz.Width() + lGreenOffset;

	if ( aNewVisArea.Right() >= lTmp  )
	{
		lTmp = aNewVisArea.Right() - lTmp;
		aNewVisArea.Right() -= lTmp;
		aNewVisArea.Left() -= lTmp;
        bModified = true;
	}

	lTmp = aDocSz.Height() + lGreenOffset;
	if ( aNewVisArea.Bottom() >= lTmp )
	{
		lTmp = aNewVisArea.Bottom() - lTmp;
		aNewVisArea.Bottom() -= lTmp;
		aNewVisArea.Top() -= lTmp;
		bModified = true;
	}

	if ( bModified )
		SetVisArea( aNewVisArea, sal_False );

    if ( UpdateScrollbars() && !bInOuterResizePixel && !bInInnerResizePixel &&
            !GetViewFrame()->GetFrame().IsInPlace())
        OuterResizePixel( Point(),
						  GetViewFrame()->GetWindow().GetOutputSizePixel() );
}

/*--------------------------------------------------------------------
	Beschreibung:	Visarea neu setzen
 --------------------------------------------------------------------*/

void SwView::SetVisArea( const Rectangle &rRect, sal_Bool bUpdateScrollbar )
{
	const Size aOldSz( aVisArea.GetSize() );

	const Point aTopLeft(	  AlignToPixel( rRect.TopLeft() ));
	const Point aBottomRight( AlignToPixel( rRect.BottomRight() ));
	Rectangle aLR( aTopLeft, aBottomRight );

	if( aLR == aVisArea )
		return;

	const SwTwips lMin = IsDocumentBorder() ? DOCUMENTBORDER : 0;

	// keine negative Position, keine neg. Groesse
	if( aLR.Top() < lMin )
	{
		aLR.Bottom() += lMin - aLR.Top();
		aLR.Top() = lMin;
	}
    if( aLR.Left() < lMin )
	{
		aLR.Right() += lMin - aLR.Left();
		aLR.Left() = lMin;
	}
	if( aLR.Right() < 0 )
		aLR.Right() = 0;
	if( aLR.Bottom() < 0 )
		aLR.Bottom() = 0;

	if( aLR == aVisArea )
		return;

	const Size aSize( aLR.GetSize() );
	if( aSize.Width() < 0 || aSize.Height() < 0 )
		return;

	//Bevor die Daten veraendert werden ggf. ein Update rufen. Dadurch wird
	//sichergestellt, da? anliegende Paints korrekt in Dokumentkoordinaten
	//umgerechnet werden.
	//Vorsichtshalber tun wir das nur wenn an der Shell eine Action laeuft,
	//denn dann wir nicht wirklich gepaintet sondern die Rechtecke werden
	//lediglich (in Dokumentkoordinaten) vorgemerkt.
	if ( pWrtShell && pWrtShell->ActionPend() )
		pWrtShell->GetWin()->Update();

	aVisArea = aLR;

    const sal_Bool bOuterResize = bUpdateScrollbar && UpdateScrollbars();

	if ( pWrtShell )
	{
		pWrtShell->VisPortChgd( aVisArea );
		if ( aOldSz != pWrtShell->VisArea().SSize() &&
			 ( Abs(aOldSz.Width() - pWrtShell->VisArea().Width()) > 2 ||
				Abs(aOldSz.Height() - pWrtShell->VisArea().Height()) > 2 ) )
			pWrtShell->CheckBrowseView( sal_False );
	}

	if ( !bProtectDocShellVisArea )
	{
		//Wenn die Groesse der VisArea unveraendert ist, reichen wir die
		//Groesse der VisArea vom InternalObject weiter. Damit soll der
		//Transport von Fehlern vermieden werden.
		Rectangle aVis( aVisArea );
		if ( aVis.GetSize() == aOldSz )
            aVis.SetSize( GetDocShell()->SfxObjectShell::GetVisArea(ASPECT_CONTENT).GetSize() );
                    // TODO/LATER: why casting?!
                    //GetDocShell()->SfxInPlaceObject::GetVisArea().GetSize() );

		//Bei embedded immer mit Modify...
        // TODO/LATER: why casting?!
        GetDocShell()->SfxObjectShell::SetVisArea( aVis );
        /*
		if ( GetDocShell()->GetCreateMode() == SFX_CREATE_MODE_EMBEDDED )
			GetDocShell()->SfxInPlaceObject::SetVisArea( aVis );
		else
            GetDocShell()->SvEmbeddedObject::SetVisArea( aVis );*/
	}

	SfxViewShell::VisAreaChanged( aVisArea );

	InvalidateRulerPos();

	SwEditWin::ClearTip();

    if ( bOuterResize && !bInOuterResizePixel && !bInInnerResizePixel)
            OuterResizePixel( Point(),
				GetViewFrame()->GetWindow().GetOutputSizePixel() );
}

/*--------------------------------------------------------------------
	Beschreibung:	Pos VisArea setzen
 --------------------------------------------------------------------*/

void SwView::SetVisArea( const Point &rPt, sal_Bool bUpdateScrollbar )
{
	//einmal alignen, damit Brushes korrekt angesetzt werden.
	//MA 31. May. 96: Das geht in der BrowseView schief, weil evlt.
	//nicht das ganze Dokument sichtbar wird. Da der Inhalt in Frames
	//passgenau ist, kann nicht aligned werden (bessere Idee?!?!)
	//MA 29. Oct. 96 (fix: Bild.de, 200%) ganz ohne Alignment geht es nicht
	//mal sehen wie weit wir mit der halben BrushSize kommen.
	//TODO: why BRUSH_SIZE?
	Point aPt( rPt );
//	const long nTmp = GetWrtShell().IsFrameView() ? BRUSH_SIZE/2 : BRUSH_SIZE;
	const long nTmp = GetWrtShell().IsFrameView() ? 4 : 8;
	aPt = GetEditWin().LogicToPixel( aPt );
	aPt.X() -= aPt.X() % nTmp;
	aPt.Y() -= aPt.Y() % nTmp;
	aPt = GetEditWin().PixelToLogic( aPt );

	if ( aPt == aVisArea.TopLeft() )
		return;

	const long lXDiff = aVisArea.Left() - aPt.X();
	const long lYDiff = aVisArea.Top()	- aPt.Y();
	SetVisArea( Rectangle( aPt,
			Point( aVisArea.Right() - lXDiff, aVisArea.Bottom() - lYDiff ) ),
			bUpdateScrollbar);
}


void SwView::CheckVisArea()
{
    pHScrollbar->SetAuto( pWrtShell->GetViewOptions()->getBrowseMode() &&
                              !GetViewFrame()->GetFrame().IsInPlace() );
	if ( IsDocumentBorder() )
	{
		if ( aVisArea.Left() != DOCUMENTBORDER ||
			 aVisArea.Top()  != DOCUMENTBORDER )
		{
			Rectangle aNewVisArea( aVisArea );
			aNewVisArea.Move( DOCUMENTBORDER - aVisArea.Left(),
							  DOCUMENTBORDER - aVisArea.Top() );
			SetVisArea( aNewVisArea, sal_True );
		}
	}
}

/*--------------------------------------------------------------------
	Beschreibung:	Sichtbaren Bereich berechnen

	OUT Point *pPt:				neue Position des sichtbaren
								Bereiches
	IN	Rectangle &rRect:		Rechteck, das sich innerhalb des neuen
								sichtbaren Bereiches befinden soll
		sal_uInt16 nRange			optional exakte Angabe des Bereiches,
								um den ggfs. gescrollt werden soll
 --------------------------------------------------------------------*/

void SwView::CalcPt( Point *pPt, const Rectangle &rRect,
					 sal_uInt16 nRangeX, sal_uInt16 nRangeY)
{

	const SwTwips lMin = IsDocumentBorder() ? DOCUMENTBORDER : 0;

	long nYScroll = GetYScroll();
	long nDesHeight = rRect.GetHeight();
	long nCurHeight = aVisArea.GetHeight();
	nYScroll = Min(nYScroll, nCurHeight - nDesHeight); // wird es knapp, dann nicht zuviel scrollen
	if(nDesHeight > nCurHeight) // die Hoehe reicht nicht aus, dann interessiert nYScroll nicht mehr
	{
		pPt->Y() = rRect.Top();
		pPt->Y() = Max( lMin, pPt->Y() );
	}
	else if ( rRect.Top() < aVisArea.Top() )				//Verschiebung nach oben
	{
		pPt->Y() = rRect.Top() - (nRangeY != USHRT_MAX ? nRangeY : nYScroll);
		pPt->Y() = Max( lMin, pPt->Y() );
	}
	else if( rRect.Bottom() > aVisArea.Bottom() )	//Verschiebung nach unten
	{
		pPt->Y() = rRect.Bottom() -
					(aVisArea.GetHeight()) + ( nRangeY != USHRT_MAX ?
			nRangeY : nYScroll );
		pPt->Y() = SetVScrollMax( pPt->Y() );
	}
	long nXScroll = GetXScroll();
	if ( rRect.Right() > aVisArea.Right() )			//Verschiebung nach rechts
	{
		pPt->X() = rRect.Right()  -
					(aVisArea.GetWidth()) +
					(nRangeX != USHRT_MAX ? nRangeX : nXScroll);
		pPt->X() = SetHScrollMax( pPt->X() );
	}
	else if ( rRect.Left() < aVisArea.Left() )		//Verschiebung nach links
	{
		pPt->X() = rRect.Left() - (nRangeX != USHRT_MAX ? nRangeX : nXScroll);
		pPt->X() = Max( ::GetLeftMargin( *this ) + nLeftOfst, pPt->X() );
		pPt->X() = Min( rRect.Left() - nScrollX, pPt->X() );
		pPt->X() = Max( 0L, pPt->X() );
	}
}

/*--------------------------------------------------------------------
	Beschreibung:	Scrolling
 --------------------------------------------------------------------*/

sal_Bool SwView::IsScroll( const Rectangle &rRect ) const
{
	return bCenterCrsr || bTopCrsr || !aVisArea.IsInside(rRect);
}


void SwView::Scroll( const Rectangle &rRect, sal_uInt16 nRangeX, sal_uInt16 nRangeY )
{
	if ( aVisArea.IsEmpty() )
		return;

	Rectangle aOldVisArea( aVisArea );
	long nDiffY = 0;

	Window* pCareWn = ViewShell::GetCareWin(GetWrtShell());
	if ( pCareWn )
	{
        Rectangle aDlgRect( GetEditWin().PixelToLogic(
                pCareWn->GetWindowExtentsRelative( &GetEditWin() ) ) );
		// Nur, wenn der Dialog nicht rechts oder links der VisArea liegt:
		if ( aDlgRect.Left() < aVisArea.Right() &&
			 aDlgRect.Right() > aVisArea.Left() )
		{
			// Falls wir nicht zentriert werden sollen, in der VisArea liegen
			// und nicht vom Dialog ueberdeckt werden ...
			if ( !bCenterCrsr && aOldVisArea.IsInside( rRect )
				 && ( rRect.Left() > aDlgRect.Right()
					  || rRect.Right() < aDlgRect.Left()
					  || rRect.Top() > aDlgRect.Bottom()
					  || rRect.Bottom() < aDlgRect.Top() ) )
				return;

			// Ist oberhalb oder unterhalb der Dialogs mehr Platz?
			long nTopDiff = aDlgRect.Top() - aVisArea.Top();
			long nBottomDiff = aVisArea.Bottom() - aDlgRect.Bottom();
			if ( nTopDiff < nBottomDiff )
			{
				if ( nBottomDiff > 0 ) // Ist unterhalb ueberhaupt Platz?
				{	// dann verschieben wir die Oberkante und merken uns dies
					nDiffY = aDlgRect.Bottom() - aVisArea.Top();
					aVisArea.Top() += nDiffY;
				}
			}
			else
			{
				if ( nTopDiff > 0 ) // Ist oberhalb ueberhaupt Platz?
					aVisArea.Bottom() = aDlgRect.Top(); // Unterkante aendern
			}
		}
	}

	//s.o. !IsScroll()
	if( !(bCenterCrsr || bTopCrsr) && aVisArea.IsInside( rRect ) )
	{
		aVisArea = aOldVisArea;
		return;
	}
	//falls das Rechteck groesser als der sichtbare Bereich -->
	//obere linke Ecke
	Size aSize( rRect.GetSize() );
	const Size aVisSize( aVisArea.GetSize() );
	if( !aVisArea.IsEmpty() && (
		aSize.Width() + GetXScroll() > aVisSize.Width() ||
		aSize.Height()+ GetYScroll() > aVisSize.Height() ))
	{
		Point aPt( aVisArea.TopLeft() );
		aSize.Width() = Min( aSize.Width(), aVisSize.Width() );
		aSize.Height()= Min( aSize.Height(),aVisSize.Height());

		CalcPt( &aPt, Rectangle( rRect.TopLeft(), aSize ),
                static_cast< sal_uInt16 >((aVisSize.Width() - aSize.Width()) / 2),
                static_cast< sal_uInt16 >((aVisSize.Height()- aSize.Height())/ 2) );

		if( bTopCrsr )
		{
			const long nBorder = IsDocumentBorder() ? DOCUMENTBORDER : 0;
			aPt.Y() = Min( Max( nBorder, rRect.Top() ),
								aDocSz.Height() + nBorder -
									aVisArea.GetHeight() );
		}
		aPt.Y() -= nDiffY;
		aVisArea = aOldVisArea;
		SetVisArea( aPt );
		return;
	}
	if( !bCenterCrsr )
	{
		Point aPt( aVisArea.TopLeft() );
		CalcPt( &aPt, rRect, nRangeX, nRangeY );

		if( bTopCrsr )
		{
			const long nBorder = IsDocumentBorder() ? DOCUMENTBORDER : 0;
			aPt.Y() = Min( Max( nBorder, rRect.Top() ),
								aDocSz.Height() + nBorder -
									aVisArea.GetHeight() );
		}

		aPt.Y() -= nDiffY;
		aVisArea = aOldVisArea;
		SetVisArea( aPt );
		return;
	}

	//Cursor zentrieren
	Point aPnt( aVisArea.TopLeft() );
	// ... in Y-Richtung auf jeden Fall
	aPnt.Y() += ( rRect.Top() + rRect.Bottom()
				  - aVisArea.Top() - aVisArea.Bottom() ) / 2 - nDiffY;
	// ... in X-Richtung nur, wenn das Rechteck rechts oder links aus der
	//	   VisArea hinausragt.
	if ( rRect.Right() > aVisArea.Right() || rRect.Left() < aVisArea.Left() )
	{
		aPnt.X() += ( rRect.Left() + rRect.Right()
				  - aVisArea.Left() - aVisArea.Right() ) / 2;
		aPnt.X() = SetHScrollMax( aPnt.X() );
		const SwTwips lMin = IsDocumentBorder() ? DOCUMENTBORDER : 0;
		aPnt.X() = Max( (GetLeftMargin( *this ) - lMin) + nLeftOfst, aPnt.X() );
	}
	aVisArea = aOldVisArea;
	if( pCareWn )
	{   // Wenn wir nur einem Dialog ausweichen wollen, wollen wir nicht ueber
		// das Ende des Dokument hinausgehen.
		aPnt.Y() = SetVScrollMax( aPnt.Y() );
	}
	SetVisArea( aPnt );
}

/*--------------------------------------------------------------------
	Beschreibung:	Seitenweises Scrollen
	Liefern den Wert, um den bei PageUp / -Down gescrollt werden soll
 --------------------------------------------------------------------*/

sal_Bool SwView::GetPageScrollUpOffset( SwTwips &rOff ) const
{
	if ( !aVisArea.Top() || !aVisArea.GetHeight() )
		return sal_False;
	long nYScrl = GetYScroll() / 2;
	rOff = -(aVisArea.GetHeight() - nYScrl);
	//nicht vor den Dokumentanfang scrollen
	if( aVisArea.Top() - rOff < 0 )
		rOff = rOff - aVisArea.Top();
	else if( GetWrtShell().GetCharRect().Top() < (aVisArea.Top() + nYScrl))
		rOff += nYScrl;
	return sal_True;
}


sal_Bool SwView::GetPageScrollDownOffset( SwTwips &rOff ) const
{
	if ( !aVisArea.GetHeight() ||
		 (aVisArea.GetHeight() > aDocSz.Height()) )
		return sal_False;
	long nYScrl = GetYScroll() / 2;
	rOff = aVisArea.GetHeight() - nYScrl;
	//nicht hinter das Dokumentende scrollen
	if ( aVisArea.Top() + rOff > aDocSz.Height() )
		rOff = aDocSz.Height() - aVisArea.Bottom();
	else if( GetWrtShell().GetCharRect().Bottom() >
											( aVisArea.Bottom() - nYScrl ))
		rOff -= nYScrl;
	return rOff > 0;
}

// Seitenweises Blaettern

long SwView::PageUp()
{
	if (!aVisArea.GetHeight())
		return 0;

	Point aPos(aVisArea.TopLeft());
	aPos.Y() -= aVisArea.GetHeight() - (GetYScroll() / 2);
	aPos.Y() = Max(0L, aPos.Y());
	SetVisArea( aPos );
	return 1;
}


long SwView::PageDown()
{
	if ( !aVisArea.GetHeight() )
		return 0;
	Point aPos( aVisArea.TopLeft() );
	aPos.Y() += aVisArea.GetHeight() - (GetYScroll() / 2);
	aPos.Y() = SetVScrollMax( aPos.Y() );
	SetVisArea( aPos );
	return 1;
}


long SwView::PhyPageUp()
{
	//aktuell sichtbare Seite erfragen, nicht formatieren
	sal_uInt16 nActPage = pWrtShell->GetNextPrevPageNum( sal_False );

	if( USHRT_MAX != nActPage )
	{
		const Point aPt( aVisArea.Left(),
						 pWrtShell->GetPagePos( nActPage ).Y() );
		Point aAlPt( AlignToPixel( aPt ) );
		// falls ein Unterschied besteht, wurde abgeschnitten --> dann
		// einen Pixel addieren, damit kein Rest der Vorgaengerseite
		// sichtbar ist
		if( aPt.Y() != aAlPt.Y() )
			aAlPt.Y() += 3 * GetEditWin().PixelToLogic( Size( 0, 1 ) ).Height();
		SetVisArea( aAlPt );
	}
	return 1;
}


long SwView::PhyPageDown()
{
	//aktuell sichtbare Seite erfragen, nicht formatieren
	sal_uInt16 nActPage = pWrtShell->GetNextPrevPageNum( sal_True );
	// falls die letzte Dokumentseite sichtbar ist, nichts tun
	if( USHRT_MAX != nActPage )
	{
		const Point aPt( aVisArea.Left(),
						 pWrtShell->GetPagePos( nActPage ).Y() );
		Point aAlPt( AlignToPixel( aPt ) );
		// falls ein Unterschied besteht, wurde abgeschnitten --> dann
		// einen Pixel addieren, damit kein Rest der Vorgaengerseite sichtbar ist
		if( aPt.Y() != aAlPt.Y() )
			aAlPt.Y() += 3 * GetEditWin().PixelToLogic( Size( 0, 1 ) ).Height();
		SetVisArea( aAlPt );
	}
	return 1;
}


long SwView::PageUpCrsr( sal_Bool bSelect )
{
	if ( !bSelect )
	{
		const sal_uInt16 eType = pWrtShell->GetFrmType(0,sal_True);
		if ( eType & FRMTYPE_FOOTNOTE )
		{
			pWrtShell->MoveCrsr();
			pWrtShell->GotoFtnAnchor();
			pWrtShell->Right(CRSR_SKIP_CHARS, sal_False, 1, sal_False );
			return 1;
		}
	}

	SwTwips lOff = 0;
	if ( GetPageScrollUpOffset( lOff ) &&
		 (pWrtShell->IsCrsrReadonly() ||
		  !pWrtShell->PageCrsr( lOff, bSelect )) &&
		 PageUp() )
	{
		pWrtShell->ResetCursorStack();
		return sal_True;
	}
	return sal_False;
}


long SwView::PageDownCrsr(sal_Bool bSelect)
{
	SwTwips lOff = 0;
	if ( GetPageScrollDownOffset( lOff ) &&
		 (pWrtShell->IsCrsrReadonly() ||
		  !pWrtShell->PageCrsr( lOff, bSelect )) &&
		 PageDown() )
	{
		pWrtShell->ResetCursorStack();
		return sal_True;
	}
	return sal_False;
}

/*------------------------------------------------------------------------
 Beschreibung:	Handler der Scrollbars
------------------------------------------------------------------------*/

IMPL_LINK( SwView, ScrollHdl, SwScrollbar *, pScrollbar )
{
	if ( GetWrtShell().ActionPend() )
		return 0;

	if ( pScrollbar->GetType() == SCROLL_DRAG )
		pWrtShell->EnableSmooth( sal_False );

	if(!pWrtShell->GetViewOptions()->getBrowseMode() &&
		pScrollbar->GetType() == SCROLL_DRAG)
	{
		//Hier wieder auskommentieren wenn das mitscrollen nicht gewuenscht ist.
		// JP 21.07.00: the end scrollhandler invalidate the FN_STAT_PAGE,
		// 				so we dont must do it agin.
		EndScrollHdl(pScrollbar);

		Point aPos( aVisArea.TopLeft() );
		lcl_GetPos(this, aPos, pScrollbar, IsDocumentBorder());

		sal_uInt16 nPhNum = 1;
		sal_uInt16 nVirtNum = 1;

		String sDisplay;
		if(pWrtShell->GetPageNumber( aPos.Y(), sal_False, nPhNum, nVirtNum, sDisplay ))
		{
			// JP 21.07.00: the end scrollhandler invalidate the FN_STAT_PAGE,
			// 				so we dont must do it agin.
//          if(!GetViewFrame()->GetFrame().IsInPlace())
//				S F X_BINDINGS().Update(FN_STAT_PAGE);

			//QuickHelp:
            if( pWrtShell->GetPageCnt() > 1 && Help::IsQuickHelpEnabled() )
			{
				if( !nPgNum || nPgNum != nPhNum )
				{
					Rectangle aRect;
					aRect.Left() = pScrollbar->GetParent()->OutputToScreenPixel(
										pScrollbar->GetPosPixel() ).X() -8;
					aRect.Top() = pScrollbar->OutputToScreenPixel(
									pScrollbar->GetPointerPosPixel() ).Y();
					aRect.Right() 	= aRect.Left();
					aRect.Bottom()	= aRect.Top();

					String sPageStr( GetPageStr( nPhNum, nVirtNum, sDisplay ));
					SwContentAtPos aCnt( SwContentAtPos::SW_OUTLINE );
					pWrtShell->GetContentAtPos( aPos, aCnt );
					if( aCnt.sStr.Len() )
					{
						sPageStr += String::CreateFromAscii(
										RTL_CONSTASCII_STRINGPARAM( "  - " ));
						sPageStr.Insert( aCnt.sStr, 0, 80 );
						sPageStr.SearchAndReplaceAll( '\t', ' ' );
                        sPageStr.SearchAndReplaceAll( 0x0a, ' ' );
                    }

					Help::ShowQuickHelp( pScrollbar, aRect, sPageStr,
									QUICKHELP_RIGHT|QUICKHELP_VCENTER);
				}
				nPgNum = nPhNum;
			}
		}
	}
	else
		EndScrollHdl(pScrollbar);

	if ( pScrollbar->GetType() == SCROLL_DRAG )
		pWrtShell->EnableSmooth( sal_True );

	return 0;
}
/*------------------------------------------------------------------------
 Beschreibung:	Handler der Scrollbars
------------------------------------------------------------------------*/

IMPL_LINK( SwView, EndScrollHdl, SwScrollbar *, pScrollbar )
{
	if ( !GetWrtShell().ActionPend() )
	{
		if(nPgNum)
		{
			nPgNum = 0;
			Help::ShowQuickHelp(pScrollbar, Rectangle(), aEmptyStr, 0);
		}
		Point aPos( aVisArea.TopLeft() );
		sal_Bool bBorder = IsDocumentBorder();
		lcl_GetPos(this, aPos, pScrollbar, bBorder);
		if ( bBorder && aPos == aVisArea.TopLeft() )
			UpdateScrollbars();
		else
			SetVisArea( aPos, sal_False );

		GetViewFrame()->GetBindings().Update(FN_STAT_PAGE);
	}
	return 0;
}

/*--------------------------------------------------------------------
	Beschreibung:

		berechnet die Groesse von aVisArea abhaengig von der Groesse
		des EditWin auf dem Schirm.

 --------------------------------------------------------------------*/

void SwView::CalcVisArea( const Size &rOutPixel )
{
	Point aTopLeft;
	Rectangle aRect( aTopLeft, rOutPixel );
	aTopLeft = GetEditWin().PixelToLogic( aTopLeft );
	Point aBottomRight( GetEditWin().PixelToLogic( aRect.BottomRight() ) );

	aRect.Left() = aTopLeft.X();
	aRect.Top() = aTopLeft.Y();
	aRect.Right() = aBottomRight.X();
	aRect.Bottom() = aBottomRight.Y();

	//Die Verschiebungen nach rechts und/oder unten koennen jetzt falsch
	//sein (z.B. Zoom aendern, Viewgroesse aendern.
	const long lBorder = IsDocumentBorder() ? DOCUMENTBORDER : DOCUMENTBORDER*2;
	if ( aRect.Left() )
	{
		const long lWidth = GetWrtShell().GetDocSize().Width() + lBorder;
		if ( aRect.Right() > lWidth )
		{
			long lDelta    = aRect.Right() - lWidth;
			aRect.Left()  -= lDelta;
			aRect.Right() -= lDelta;
		}
	}
	if ( aRect.Top() )
	{
		const long lHeight = GetWrtShell().GetDocSize().Height() + lBorder;
		if ( aRect.Bottom() > lHeight )
		{
			long lDelta		= aRect.Bottom() - lHeight;
			aRect.Top()	   -= lDelta;
			aRect.Bottom() -= lDelta;
		}
	}
	SetVisArea( aRect );
	GetViewFrame()->GetBindings().Invalidate( SID_ATTR_ZOOM );
    GetViewFrame()->GetBindings().Invalidate( SID_ATTR_ZOOMSLIDER ); // for snapping points
}

/*--------------------------------------------------------------------
	Beschreibung:	Bedienelemente neu anordnen
 --------------------------------------------------------------------*/


void SwView::CalcAndSetBorderPixel( SvBorder &rToFill, sal_Bool /*bInner*/ )
{
	sal_Bool bRightVRuler = pWrtShell->GetViewOptions()->IsVRulerRight();
    if ( pVRuler->IsVisible() )
	{
        long nWidth = pVRuler->GetSizePixel().Width();
		if(bRightVRuler)
            rToFill.Right() = nWidth;
		else
			rToFill.Left() = nWidth;
	}

    DBG_ASSERT(pHRuler, "warum ist das Lineal nicht da?");
    if ( pHRuler->IsVisible() )
        rToFill.Top() = pHRuler->GetSizePixel().Height();

	const StyleSettings &rSet = GetEditWin().GetSettings().GetStyleSettings();
	const long nTmp = rSet.GetScrollBarSize();
    if( pVScrollbar->IsVisible(sal_False) )
	{
		if(bRightVRuler)
            rToFill.Left() = nTmp;
		else
			rToFill.Right()  = nTmp;
	}
    //#i32913# in browse mode the visibility of the horizontal scrollbar
    // depends on the content (fixed width tables may require a scrollbar)
    if ( pHScrollbar->IsVisible(pWrtShell->GetViewOptions()->getBrowseMode()) )
		rToFill.Bottom() = nTmp;

	SetBorderPixel( rToFill );
}


void ViewResizePixel( const Window &rRef,
					const Point &rOfst,
					const Size &rSize,
					const Size &rEditSz,
					const sal_Bool /*bInner*/,
                    SwScrollbar& rVScrollbar,
                    SwScrollbar& rHScrollbar,
					ImageButton* pPageUpBtn,
					ImageButton* pPageDownBtn,
					ImageButton* pNaviBtn,
                    Window& rScrollBarBox,
					SvxRuler* pVLineal,
					SvxRuler* pHLineal,
                    sal_Bool bWebView,
                    sal_Bool bVRulerRight )
{
// ViewResizePixel wird auch von der PreView benutzt!!!

	const sal_Bool bHLineal = pHLineal && pHLineal->IsVisible();
	const long nHLinSzHeight = bHLineal ?
						pHLineal->GetSizePixel().Height() : 0;
    const sal_Bool bVLineal = pVLineal && pVLineal->IsVisible();
    const long nVLinSzWidth = bVLineal ?
						pVLineal->GetSizePixel().Width() : 0;
    long nHBSzHeight2= rHScrollbar.IsVisible( sal_False ) || !rHScrollbar.IsAuto() ?
					   rRef.GetSettings().GetStyleSettings().GetScrollBarSize() : 0;
    long nHBSzHeight =
				rHScrollbar.IsVisible(sal_True) ||  (rHScrollbar.IsVisible( sal_False ) && !rHScrollbar.IsAuto()) ?
								nHBSzHeight2:0;
    long nVBSzWidth = rVScrollbar.IsVisible(sal_True) ||  (rVScrollbar.IsVisible( sal_False ) && !rVScrollbar.IsAuto()) ?
                         rRef.GetSettings().GetStyleSettings().GetScrollBarSize() : 0;

    if(pVLineal)
    {
        WinBits nStyle = pVLineal->GetStyle()&~WB_RIGHT_ALIGNED;
        Point aPos( rOfst.X(), rOfst.Y()+nHLinSzHeight );
		if(bVRulerRight)
		{
            aPos.X() += rSize.Width() - nVLinSzWidth;
            nStyle |= WB_RIGHT_ALIGNED;
        }
        Size  aSize( nVLinSzWidth, rEditSz.Height() );
		if(!aSize.Width())
			aSize.Width() = pVLineal->GetSizePixel().Width();
        pVLineal->SetStyle(nStyle);
        pVLineal->SetPosSizePixel( aPos, aSize );
        if(!pVLineal->IsVisible())
            pVLineal->Resize();
    }
//  Lineal braucht ein Resize, sonst funktioniert es nicht im unischtbaren Zustand
    if(pHLineal)
    {
		Size aSize( rSize.Width(), nHLinSzHeight );
        if ( nVBSzWidth && !bVRulerRight)
			aSize.Width() -= nVBSzWidth;
		if(!aSize.Height())
			aSize.Height() = pHLineal->GetSizePixel().Height();
		pHLineal->SetPosSizePixel( rOfst, aSize );
//		#46802 VCL ruft an unsichtbaren Fenstern kein Resize
//      fuer das Lineal ist das aber keine gute Idee
		if(!pHLineal->IsVisible())
			pHLineal->Resize();
	}

	// Scrollbars und SizeBox anordnen
	Point aScrollFillPos;
	{
		Point aPos( rOfst.X(),
					rOfst.Y()+rSize.Height()-nHBSzHeight );
        if(bVRulerRight)
        {
            aPos.X() += nVBSzWidth;
        }

		Size  aSize( rSize.Width(), nHBSzHeight2 );
		if ( nVBSzWidth )
			aSize.Width() -= nVBSzWidth;
        rHScrollbar.SetPosSizePixel( aPos, aSize );
		aScrollFillPos.Y() = aPos.Y();
	}
	{
		Point aPos( rOfst.X()+rSize.Width()-nVBSzWidth,
					rOfst.Y() );
        Size  aSize( nVBSzWidth, rSize.Height() );
        if(bVRulerRight)
		{
			aPos.X() = rOfst.X();
            if(bHLineal)
            {
                aPos.Y() += nHLinSzHeight;
                aSize.Height() -= nHLinSzHeight;
            }
		}

        Size  aImgSz( nVBSzWidth, nVBSzWidth );

		//#55949#  wenn der Platz fuer Scrollbar und Page-Buttons zu klein wird, dann
		// werden die Buttons versteckt
		sal_uInt16 nCnt = pNaviBtn ? 3 : 2;
		long nSubSize = (aImgSz.Width() * nCnt );
		//
		sal_Bool bHidePageButtons = aSize.Height() < ((bWebView ? 3 : 2) * nSubSize);
		if(!bHidePageButtons)
			aSize.Height() -= nSubSize;
		else
			aImgSz.Width() = 0;	// kein Hide, weil das im Update Scrollbar missverstanden wird

		if ( nHBSzHeight )
			aSize.Height() -= nHBSzHeight;
        rVScrollbar.SetPosSizePixel( aPos, aSize );

		aPos.Y() += aSize.Height();
		pPageUpBtn->SetPosSizePixel( aPos, aImgSz );
		if(pNaviBtn)
		{
			aPos.Y() += aImgSz.Height();
			pNaviBtn->SetPosSizePixel(aPos, aImgSz);
		}

		aPos.Y() += aImgSz.Height();
		pPageDownBtn->SetPosSizePixel( aPos, aImgSz );


        if( rHScrollbar.IsVisible( sal_False ) )
		{
			aScrollFillPos.X() = aPos.X();

            rScrollBarBox.SetPosSizePixel( aScrollFillPos,
										 Size( nHBSzHeight,	nVBSzWidth) );
        }
	}
}


void SwView::ShowAtResize()
{
	bShowAtResize = sal_False;
    if ( pWrtShell->GetViewOptions()->IsViewHRuler() )
        pHRuler->Show();
}


void SwView::InnerResizePixel( const Point &rOfst, const Size &rSize )
{
    Size aObjSize = GetObjectShell()->GetVisArea().GetSize();
    if ( aObjSize.Width() > 0 && aObjSize.Height() > 0 )
    {
        SvBorder aBorder( GetBorderPixel() );
        Size aSize( rSize );
        aSize.Width() -= (aBorder.Left() + aBorder.Right());
        aSize.Height() -= (aBorder.Top() + aBorder.Bottom());
        Size aObjSizePixel = GetWindow()->LogicToPixel( aObjSize, MAP_TWIP );
        SfxViewShell::SetZoomFactor( Fraction( aSize.Width(), aObjSizePixel.Width() ),
                        Fraction( aSize.Height(), aObjSizePixel.Height() ) );
    }

    bInInnerResizePixel = sal_True;
    const sal_Bool bHScrollVisible = pHScrollbar->IsVisible(sal_True);
    const sal_Bool bVScrollVisible = pVScrollbar->IsVisible(sal_True);
	sal_Bool bRepeat = sal_False;
	do
	{
		Size aSz( rSize );
        SvBorder aBorder;
        CalcAndSetBorderPixel( aBorder, sal_True );
        if ( GetViewFrame()->GetFrame().IsInPlace() )
        {
            Size aViewSize( aSz );
            Point aViewPos( rOfst );
            aViewSize.Height() -= (aBorder.Top() + aBorder.Bottom());
            aViewSize.Width()  -= (aBorder.Left() + aBorder.Right());
            aViewPos.X() += aBorder.Left();
            aViewPos.Y() += aBorder.Top();
            GetEditWin().SetPosSizePixel( aViewPos, aViewSize );
        }
        else
        {
            aSz.Height() += aBorder.Top()  + aBorder.Bottom();
            aSz.Width()  += aBorder.Left() + aBorder.Right();
        }

		Size aEditSz( GetEditWin().GetOutputSizePixel() );
		ViewResizePixel( GetEditWin(), rOfst, aSz, aEditSz, sal_True, *pVScrollbar,
                            *pHScrollbar, pPageUpBtn, pPageDownBtn,
							pNaviBtn,
                            *pScrollFill, pVRuler, pHRuler,
                            0 != PTR_CAST(SwWebView, this),
                            pWrtShell->GetViewOptions()->IsVRulerRight());
		if ( bShowAtResize )
			ShowAtResize();

		if( pHRuler->IsVisible() || pVRuler->IsVisible() )
		{
			const Fraction& rFrac = GetEditWin().GetMapMode().GetScaleX();
            sal_uInt16 nZoom = 100;
            if (0 != rFrac.GetDenominator())
                nZoom = sal_uInt16(rFrac.GetNumerator() * 100L / rFrac.GetDenominator());

			const Fraction aFrac( nZoom, 100 );
			pVRuler->SetZoom( aFrac );
			pHRuler->SetZoom( aFrac );
			InvalidateRulerPos();	//Inhalt invalidieren.
		}
		//CursorStack zuruecksetzen, da die Cursorpositionen fuer PageUp/-Down
		//nicht mehr zum aktuell sichtbaren Bereich passen
		pWrtShell->ResetCursorStack();

		//EditWin niemals einstellen!

		//VisArea einstellen, aber dort nicht das SetVisArea der DocShell rufen!
		bProtectDocShellVisArea = sal_True;
		CalcVisArea( aEditSz );
		//visibility changes of the automatic horizontal scrollbar
		//require to repeat the ViewResizePixel() call - but only once!
		if(bRepeat)
			bRepeat = sal_False;
		else if(bHScrollVisible != pHScrollbar->IsVisible(sal_True) ||
				bVScrollVisible != pVScrollbar->IsVisible(sal_True))
			bRepeat = sal_True;
	}while( bRepeat );
	bProtectDocShellVisArea = sal_False;
    bInInnerResizePixel = sal_False;
}


void SwView::OuterResizePixel( const Point &rOfst, const Size &rSize )
{
    // FME 22.08.2003 #i16909# - return, if no size (caused by minimize window).
    if ( bInOuterResizePixel || ( !rSize.Width() && !rSize.Height() ) )
		return;
	bInOuterResizePixel	= sal_True;

// feststellen, ob Scrollbars angezeigt werden duerfen
	sal_Bool bBrowse = pWrtShell->GetViewOptions()->getBrowseMode();
	sal_Bool bShowH = sal_False,
		 bShowV = sal_False,
		 bAuto  = sal_False,
		 bHAuto = bBrowse;
	switch( GetScrollingMode() )
	{
	case SCROLLING_DEFAULT:
		{
			const SwViewOption *pVOpt = pWrtShell->GetViewOptions();
			if ( !pVOpt->IsReadonly() || pVOpt->IsStarOneSetting() )
			{
				bShowH = pVOpt->IsViewHScrollBar();
				bShowV = pVOpt->IsViewVScrollBar();
				break;
			}
		}
		/* kein break hier */
	case SCROLLING_AUTO:
		bAuto = bHAuto = sal_True;
		bShowH = bShowV = sal_True;
		break;
	case SCROLLING_YES:
		bShowH = bShowV = sal_True;
		break;
	case SCROLLING_NO:
		bShowH = bShowV = bHAuto = sal_False;
		break;
	}
    SwDocShell* pDocSh = GetDocShell();
    sal_Bool bIsPreview = pDocSh->IsPreview();
    if( bIsPreview )
    {
        bShowH = bShowV = bHAuto = bAuto = sal_False;
    }
    if(pHScrollbar->IsVisible(sal_False) != bShowH)
        ShowHScrollbar(bShowH);
    pHScrollbar->SetAuto( bHAuto );
    if(pVScrollbar->IsVisible(sal_False) != bShowV)
        ShowVScrollbar(bShowV);
    pVScrollbar->SetAuto(bAuto);

	SET_CURR_SHELL( pWrtShell );
	sal_Bool bRepeat = sal_False;
	long nCnt = 0;

	sal_Bool bUnLockView = !pWrtShell->IsViewLocked();
	pWrtShell->LockView( sal_True );
	pWrtShell->LockPaint();

	do {
		++nCnt;
        const sal_Bool bScroll1 = pVScrollbar->IsVisible(sal_True);
        const sal_Bool bScroll2 = pHScrollbar->IsVisible(sal_True);
		SvBorder aBorder;
		CalcAndSetBorderPixel( aBorder, sal_False );
		const Size aEditSz( GetEditWin().GetOutputSizePixel() );
        ViewResizePixel( GetEditWin(), rOfst, rSize, aEditSz, sal_False, *pVScrollbar,
                                *pHScrollbar, pPageUpBtn, pPageDownBtn,
								pNaviBtn,
                                *pScrollFill, pVRuler, pHRuler,
                                0 != PTR_CAST(SwWebView, this),
                                pWrtShell->GetViewOptions()->IsVRulerRight() );
		if ( bShowAtResize )
			ShowAtResize();

        if( pHRuler->IsVisible() || pVRuler->IsVisible() )
			InvalidateRulerPos();	//Inhalt invalidieren.

		//CursorStack zuruecksetzen, da die Cursorpositionen fuer PageUp/-Down
		//nicht mehr zum aktuell sichtbaren Bereich passen
		pWrtShell->ResetCursorStack();

        ASSERT( !GetEditWin().IsVisible() ||
                    (( aEditSz.Width() > 0 && aEditSz.Height() > 0 )
                        || !aVisArea.IsEmpty()), "Small world, isn't it?" );

		//EditWin niemals einstellen!

		//Die VisArea muss aber natuerlich eingestellt werden.
		//jetzt ist auch der richtige Zeitpunkt den Zoom neu zu berechnen wenn
		//es kein einfacher Faktor ist.
		pWrtShell->StartAction();
		CalcVisArea( aEditSz );

		//Damit auch beim outplace editing die Seitenbreite sofort
		//angepasst wird.
        //TODO/LATER: is that still necessary?!
        /*
        if ( pDocSh->GetCreateMode() == SFX_CREATE_MODE_EMBEDDED )
            pDocSh->SetVisArea(
                            pDocSh->SfxInPlaceObject::GetVisArea() );*/
		if ( pWrtShell->GetViewOptions()->GetZoomType() != SVX_ZOOM_PERCENT &&
			 !pWrtShell->GetViewOptions()->getBrowseMode() )
			_SetZoom( aEditSz, (SvxZoomType)pWrtShell->GetViewOptions()->GetZoomType(), 100, sal_True );
		pWrtShell->EndAction();

        bRepeat = bScroll1 != pVScrollbar->IsVisible(sal_True);
		if ( !bRepeat )
            bRepeat = bScroll2 != pHScrollbar->IsVisible(sal_True);

		//Nicht endlosschleifen. Moeglichst dann stoppen wenn die
		//(Auto-)Scrollbars sichtbar sind.
		if ( bRepeat &&
             ( nCnt > 10 || ( nCnt > 3 && bHAuto && bAuto ) )
           )
		{
			bRepeat = sal_False;
		}

	}while ( bRepeat );

	if( pVScrollbar->IsVisible(sal_False) || pVScrollbar->IsAuto())
	{
		sal_Bool bShowButtons = pVScrollbar->IsVisible(sal_True);
		if(pPageUpBtn && pPageUpBtn->IsVisible() != bShowButtons)
		{
			pPageUpBtn->Show(bShowButtons);
			if(pPageDownBtn)
				pPageDownBtn->Show(bShowButtons);
			if(pNaviBtn)
				pNaviBtn->Show(bShowButtons);
		}
	}

	pWrtShell->UnlockPaint();
	if( bUnLockView )
		pWrtShell->LockView( sal_False );

    bInOuterResizePixel = sal_False;

	if ( mpPostItMgr )
	{
		mpPostItMgr->CalcRects();
		mpPostItMgr->LayoutPostIts();
	}
}


void SwView::SetZoomFactor( const Fraction &rX, const Fraction &rY )
{
	const Fraction &rFrac = rX < rY ? rX : rY;
	SetZoom( SVX_ZOOM_PERCENT, (short) long(rFrac * Fraction( 100, 1 )) );

	//Um Rundungsfehler zu minimieren lassen wir von der Basisklasse ggf.
	//auch die krummen Werte einstellen
	SfxViewShell::SetZoomFactor( rX, rY );
}


Size SwView::GetOptimalSizePixel() const
{
	Size aPgSize;
	if ( pWrtShell->GetViewOptions()->getBrowseMode() )
		aPgSize = SvxPaperInfo::GetPaperSize(PAPER_A4);
	else
	{
        aPgSize = GetWrtShell().GetAnyCurRect(RECT_PAGE).SSize();
        aPgSize.Width() += DOCUMENTBORDER * 2;

        const SwPageDesc &rDesc = pWrtShell->GetPageDesc( pWrtShell->GetCurPageDesc() );
        if( nsUseOnPage::PD_MIRROR == rDesc.GetUseOn() )
		{
            const SvxLRSpaceItem &rLRSpace = rDesc.GetMaster().GetLRSpace();
            const SvxLRSpaceItem &rLeftLRSpace = rDesc.GetLeft().GetLRSpace();
            aPgSize.Width() += Abs( long(rLeftLRSpace.GetLeft()) - long(rLRSpace.GetLeft()) );
		}
    }
	return GetEditWin().LogicToPixel( aPgSize );
}


sal_Bool SwView::UpdateScrollbars()
{
    sal_Bool bRet = sal_False;
    if ( !aVisArea.IsEmpty() )
	{
		const sal_Bool bBorder = IsDocumentBorder();
		Rectangle aTmpRect( aVisArea );
		if ( bBorder )
		{
			Point aPt( DOCUMENTBORDER, DOCUMENTBORDER );
			aPt = AlignToPixel( aPt );
			aTmpRect.Move( -aPt.X(), -aPt.Y() );
		}

		Size aTmpSz( aDocSz );
		const long lOfst = bBorder ? 0 : DOCUMENTBORDER * 2L;
		aTmpSz.Width() += lOfst; aTmpSz.Height() += lOfst;

        {
            const sal_Bool bVScrollVisible = pVScrollbar->IsVisible(sal_True);
            pVScrollbar->DocSzChgd( aTmpSz );
            pVScrollbar->ViewPortChgd( aTmpRect );

            sal_Bool bShowButtons = pVScrollbar->IsVisible(sal_True);
            if(pPageUpBtn && pPageUpBtn->IsVisible() != bShowButtons)
            {
                pPageUpBtn->Show(bShowButtons);
                if(pPageDownBtn)
                    pPageDownBtn->Show(bShowButtons);
                if(pNaviBtn)
                    pNaviBtn->Show(bShowButtons);
            }

            if ( bVScrollVisible != pVScrollbar->IsVisible(sal_True) )
                bRet = sal_True;
        }
        {
            const sal_Bool bHScrollVisible = pHScrollbar->IsVisible(sal_True);
            pHScrollbar->DocSzChgd( aTmpSz );
            pHScrollbar->ViewPortChgd( aTmpRect );
            if ( bHScrollVisible != pHScrollbar->IsVisible(sal_True) )
                bRet = sal_True;
            pScrollFill->Show(pHScrollbar->IsVisible(sal_True) && pVScrollbar->IsVisible(sal_True) );
        }
	}
    return bRet;
}


void SwView::Move()
{
	if ( GetWrtShell().IsInSelect() )
		GetWrtShell().EndSelect();	//#32427#
	SfxViewShell::Move();
}

sal_Bool SwView::HandleWheelCommands( const CommandEvent& rCEvt )
{
	sal_Bool bOk = sal_False;
	const CommandWheelData* pWData = rCEvt.GetWheelData();
	if( pWData && COMMAND_WHEEL_ZOOM == pWData->GetMode() )
	{
		sal_uInt16 nFact = pWrtShell->GetViewOptions()->GetZoom();
		if( 0L > pWData->GetDelta() )
            nFact = static_cast< sal_uInt16 >(Max( 20, nFact - 10 ));
		else
            nFact = static_cast< sal_uInt16 >(Min( 600, nFact + 10 ));

		SetZoom( SVX_ZOOM_PERCENT, nFact );
		bOk = sal_True;
	}
	else
	{
		if (pWData && (COMMAND_WHEEL_SCROLL==pWData->GetMode()) && (((sal_uLong)0xFFFFFFFF) == pWData->GetScrollLines()))
        	{
                        if (pWData->GetDelta()<0)
                                PhyPageDown();
                        else
                                PhyPageUp();
                        bOk = sal_True;
                }
		else
			bOk = pEditWin->HandleScrollCommand( rCEvt,
                    		pHScrollbar, pVScrollbar);
	}
	return bOk;
}