xref: /trunk/main/sw/source/ui/uiview/viewport.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_sw.hxx"
30 
31 
32 #include "hintids.hxx"
33 #include <vcl/help.hxx>
34 #include <svx/ruler.hxx>
35 #include <editeng/paperinf.hxx>
36 #include <editeng/lrspitem.hxx>
37 #include <sfx2/bindings.hxx>
38 #ifndef _VIEW_HXX
39 #include <view.hxx>
40 #endif
41 #include <wrtsh.hxx>
42 #include <swmodule.hxx>
43 #include <viewopt.hxx>
44 #include <frmatr.hxx>
45 #ifndef _DOCSH_HXX
46 #include <docsh.hxx>
47 #endif
48 #ifndef _CMDID_H
49 #include <cmdid.h>
50 #endif
51 #include <edtwin.hxx>
52 #include <scroll.hxx>
53 #ifndef _WVIEW_HXX
54 #include <wview.hxx>
55 #endif
56 #include <usrpref.hxx>
57 #include <pagedesc.hxx>
58 #include <workctrl.hxx>
59 #include <crsskip.hxx>
60 
61 #include <PostItMgr.hxx>
62 
63 #include <IDocumentSettingAccess.hxx>
64 
65 //Das SetVisArea der DocShell darf nicht vom InnerResizePixel gerufen werden.
66 //Unsere Einstellungen muessen aber stattfinden.
67 #ifndef WB_RIGHT_ALIGNED
68 #define WB_RIGHT_ALIGNED    ((WinBits)0x00008000)
69 #endif
70 
71 static sal_Bool bProtectDocShellVisArea = sal_False;
72 
73 static sal_uInt16 nPgNum = 0;
74 
75 sal_Bool SwView::IsDocumentBorder()
76 {
77     return GetDocShell()->GetCreateMode() == SFX_CREATE_MODE_EMBEDDED ||
78            pWrtShell->GetViewOptions()->getBrowseMode() ||
79            SVX_ZOOM_PAGEWIDTH_NOBORDER == (SvxZoomType)pWrtShell->GetViewOptions()->GetZoomType();
80 }
81 
82 inline long GetLeftMargin( SwView &rView )
83 {
84     SvxZoomType eType = (SvxZoomType)rView.GetWrtShell().GetViewOptions()->GetZoomType();
85     long lRet = rView.GetWrtShell().GetAnyCurRect(RECT_PAGE_PRT).Left();
86     return eType == SVX_ZOOM_PERCENT   ? lRet + DOCUMENTBORDER :
87            eType == SVX_ZOOM_PAGEWIDTH || eType == SVX_ZOOM_PAGEWIDTH_NOBORDER ? 0 :
88                                          lRet + DOCUMENTBORDER + nLeftOfst;
89 }
90 
91 //-------------------------------------------------------------------------
92 
93 void lcl_GetPos(SwView* pView,
94                 Point& rPos,
95                 SwScrollbar* pScrollbar,
96                 sal_Bool bBorder)
97 {
98     SwWrtShell &rSh = pView->GetWrtShell();
99     const Size aDocSz( rSh.GetDocSize() );
100 
101     const long lBorder = bBorder ? DOCUMENTBORDER : DOCUMENTBORDER * 2;
102     sal_Bool bHori = pScrollbar->IsHoriScroll();
103 
104     const long lPos = pScrollbar->GetThumbPos() + (bBorder ? DOCUMENTBORDER : 0);
105     long Point:: *pPt = bHori ? &Point::nA : &Point::nB;
106     long Size::  *pSz = bHori ? &Size::nA  : &Size::nB;
107 
108     long lDelta = lPos - rSh.VisArea().Pos().*pPt;
109     const long lSize = aDocSz.*pSz + lBorder;
110     // Bug 11693: sollte rechts oder unten zuviel Wiese sein, dann muss
111     //            diese von der VisArea herausgerechnet werden!
112     long nTmp = pView->GetVisArea().Right()+lDelta;
113     if ( bHori && nTmp > lSize )
114         lDelta -= nTmp - lSize;
115     nTmp = pView->GetVisArea().Bottom()+lDelta;
116     if ( !bHori && nTmp > lSize )
117         lDelta -= nTmp - lSize;
118 
119     rPos.*pPt += lDelta;
120     if ( bBorder && rPos.*pPt < DOCUMENTBORDER )
121         rPos.*pPt = DOCUMENTBORDER;
122 }
123 
124 /*--------------------------------------------------------------------
125     Beschreibung:   Nullpunkt Lineal setzen
126  --------------------------------------------------------------------*/
127 
128 void SwView::InvalidateRulerPos()
129 {
130     static sal_uInt16 __READONLY_DATA aInval[] =
131     {
132         SID_ATTR_PARA_LRSPACE, SID_RULER_BORDERS, SID_RULER_PAGE_POS,
133         SID_RULER_LR_MIN_MAX, SID_ATTR_LONG_ULSPACE, SID_ATTR_LONG_LRSPACE,
134         SID_RULER_BORDER_DISTANCE,
135         SID_ATTR_PARA_LRSPACE_VERTICAL, SID_RULER_BORDERS_VERTICAL,
136         SID_RULER_TEXT_RIGHT_TO_LEFT,
137         SID_RULER_ROWS, SID_RULER_ROWS_VERTICAL, FN_STAT_PAGE,
138         0
139     };
140 
141     GetViewFrame()->GetBindings().Invalidate(aInval);
142 
143     DBG_ASSERT(pHRuler, "warum ist das Lineal nicht da?");
144     pHRuler->ForceUpdate();
145     pVRuler->ForceUpdate();
146 }
147 
148 /*--------------------------------------------------------------------
149     Beschreibung:   begrenzt das Scrollen soweit, dass jeweils nur einen
150                     viertel Bildschirm bis vor das Ende des Dokumentes
151                     gescrollt werden kann.
152  --------------------------------------------------------------------*/
153 
154 long SwView::SetHScrollMax( long lMax )
155 {
156     const long lBorder = IsDocumentBorder() ? DOCUMENTBORDER : DOCUMENTBORDER * 2;
157     const long lSize = GetDocSz().Width() + lBorder - aVisArea.GetWidth();
158 
159     // bei negativen Werten ist das Dokument vollstaendig sichtbar;
160     // in diesem Fall kein Scrollen
161     return Max( Min( lMax, lSize ), 0L );
162 }
163 
164 
165 long SwView::SetVScrollMax( long lMax )
166 {
167     const long lBorder = IsDocumentBorder() ? DOCUMENTBORDER : DOCUMENTBORDER * 2;
168     long lSize = GetDocSz().Height() + lBorder - aVisArea.GetHeight();
169     return Max( Min( lMax, lSize), 0L );        // siehe horz.
170 }
171 
172 
173 Point SwView::AlignToPixel(const Point &rPt) const
174 {
175     return GetEditWin().PixelToLogic( GetEditWin().LogicToPixel( rPt ) );
176 }
177 
178 /*--------------------------------------------------------------------
179     Beschreibung:   Dokumentgroesse hat sich geaendert
180  --------------------------------------------------------------------*/
181 
182 void SwView::DocSzChgd(const Size &rSz)
183 {
184 
185 extern int bDocSzUpdated;
186 
187 
188 aDocSz = rSz;
189 
190     if( !pWrtShell || aVisArea.IsEmpty() )      // keine Shell -> keine Aenderung
191     {
192         bDocSzUpdated = sal_False;
193         return;
194     }
195 
196     //Wenn Text geloescht worden ist, kann es sein, dass die VisArea hinter
197     //den sichtbaren Bereich verweist
198     Rectangle aNewVisArea( aVisArea );
199     bool bModified = false;
200     SwTwips lGreenOffset = IsDocumentBorder() ? DOCUMENTBORDER : DOCUMENTBORDER * 2;
201     SwTwips lTmp = aDocSz.Width() + lGreenOffset;
202 
203     if ( aNewVisArea.Right() >= lTmp  )
204     {
205         lTmp = aNewVisArea.Right() - lTmp;
206         aNewVisArea.Right() -= lTmp;
207         aNewVisArea.Left() -= lTmp;
208         bModified = true;
209     }
210 
211     lTmp = aDocSz.Height() + lGreenOffset;
212     if ( aNewVisArea.Bottom() >= lTmp )
213     {
214         lTmp = aNewVisArea.Bottom() - lTmp;
215         aNewVisArea.Bottom() -= lTmp;
216         aNewVisArea.Top() -= lTmp;
217         bModified = true;
218     }
219 
220     if ( bModified )
221         SetVisArea( aNewVisArea, sal_False );
222 
223     if ( UpdateScrollbars() && !bInOuterResizePixel && !bInInnerResizePixel &&
224             !GetViewFrame()->GetFrame().IsInPlace())
225         OuterResizePixel( Point(),
226                           GetViewFrame()->GetWindow().GetOutputSizePixel() );
227 }
228 
229 /*--------------------------------------------------------------------
230     Beschreibung:   Visarea neu setzen
231  --------------------------------------------------------------------*/
232 
233 void SwView::SetVisArea( const Rectangle &rRect, sal_Bool bUpdateScrollbar )
234 {
235     const Size aOldSz( aVisArea.GetSize() );
236 
237     const Point aTopLeft(     AlignToPixel( rRect.TopLeft() ));
238     const Point aBottomRight( AlignToPixel( rRect.BottomRight() ));
239     Rectangle aLR( aTopLeft, aBottomRight );
240 
241     if( aLR == aVisArea )
242         return;
243 
244     const SwTwips lMin = IsDocumentBorder() ? DOCUMENTBORDER : 0;
245 
246     // keine negative Position, keine neg. Groesse
247     if( aLR.Top() < lMin )
248     {
249         aLR.Bottom() += lMin - aLR.Top();
250         aLR.Top() = lMin;
251     }
252     if( aLR.Left() < lMin )
253     {
254         aLR.Right() += lMin - aLR.Left();
255         aLR.Left() = lMin;
256     }
257     if( aLR.Right() < 0 )
258         aLR.Right() = 0;
259     if( aLR.Bottom() < 0 )
260         aLR.Bottom() = 0;
261 
262     if( aLR == aVisArea )
263         return;
264 
265     const Size aSize( aLR.GetSize() );
266     if( aSize.Width() < 0 || aSize.Height() < 0 )
267         return;
268 
269     //Bevor die Daten veraendert werden ggf. ein Update rufen. Dadurch wird
270     //sichergestellt, da? anliegende Paints korrekt in Dokumentkoordinaten
271     //umgerechnet werden.
272     //Vorsichtshalber tun wir das nur wenn an der Shell eine Action laeuft,
273     //denn dann wir nicht wirklich gepaintet sondern die Rechtecke werden
274     //lediglich (in Dokumentkoordinaten) vorgemerkt.
275     if ( pWrtShell && pWrtShell->ActionPend() )
276         pWrtShell->GetWin()->Update();
277 
278     aVisArea = aLR;
279 
280     const sal_Bool bOuterResize = bUpdateScrollbar && UpdateScrollbars();
281 
282     if ( pWrtShell )
283     {
284         pWrtShell->VisPortChgd( aVisArea );
285         if ( aOldSz != pWrtShell->VisArea().SSize() &&
286              ( Abs(aOldSz.Width() - pWrtShell->VisArea().Width()) > 2 ||
287                 Abs(aOldSz.Height() - pWrtShell->VisArea().Height()) > 2 ) )
288             pWrtShell->CheckBrowseView( sal_False );
289     }
290 
291     if ( !bProtectDocShellVisArea )
292     {
293         //Wenn die Groesse der VisArea unveraendert ist, reichen wir die
294         //Groesse der VisArea vom InternalObject weiter. Damit soll der
295         //Transport von Fehlern vermieden werden.
296         Rectangle aVis( aVisArea );
297         if ( aVis.GetSize() == aOldSz )
298             aVis.SetSize( GetDocShell()->SfxObjectShell::GetVisArea(ASPECT_CONTENT).GetSize() );
299                     // TODO/LATER: why casting?!
300                     //GetDocShell()->SfxInPlaceObject::GetVisArea().GetSize() );
301 
302         //Bei embedded immer mit Modify...
303         // TODO/LATER: why casting?!
304         GetDocShell()->SfxObjectShell::SetVisArea( aVis );
305         /*
306         if ( GetDocShell()->GetCreateMode() == SFX_CREATE_MODE_EMBEDDED )
307             GetDocShell()->SfxInPlaceObject::SetVisArea( aVis );
308         else
309             GetDocShell()->SvEmbeddedObject::SetVisArea( aVis );*/
310     }
311 
312     SfxViewShell::VisAreaChanged( aVisArea );
313 
314     InvalidateRulerPos();
315 
316     SwEditWin::ClearTip();
317 
318     if ( bOuterResize && !bInOuterResizePixel && !bInInnerResizePixel)
319             OuterResizePixel( Point(),
320                 GetViewFrame()->GetWindow().GetOutputSizePixel() );
321 }
322 
323 /*--------------------------------------------------------------------
324     Beschreibung:   Pos VisArea setzen
325  --------------------------------------------------------------------*/
326 
327 void SwView::SetVisArea( const Point &rPt, sal_Bool bUpdateScrollbar )
328 {
329     //einmal alignen, damit Brushes korrekt angesetzt werden.
330     //MA 31. May. 96: Das geht in der BrowseView schief, weil evlt.
331     //nicht das ganze Dokument sichtbar wird. Da der Inhalt in Frames
332     //passgenau ist, kann nicht aligned werden (bessere Idee?!?!)
333     //MA 29. Oct. 96 (fix: Bild.de, 200%) ganz ohne Alignment geht es nicht
334     //mal sehen wie weit wir mit der halben BrushSize kommen.
335     //TODO: why BRUSH_SIZE?
336     Point aPt( rPt );
337 //  const long nTmp = GetWrtShell().IsFrameView() ? BRUSH_SIZE/2 : BRUSH_SIZE;
338     const long nTmp = GetWrtShell().IsFrameView() ? 4 : 8;
339     aPt = GetEditWin().LogicToPixel( aPt );
340     aPt.X() -= aPt.X() % nTmp;
341     aPt.Y() -= aPt.Y() % nTmp;
342     aPt = GetEditWin().PixelToLogic( aPt );
343 
344     if ( aPt == aVisArea.TopLeft() )
345         return;
346 
347     const long lXDiff = aVisArea.Left() - aPt.X();
348     const long lYDiff = aVisArea.Top()  - aPt.Y();
349     SetVisArea( Rectangle( aPt,
350             Point( aVisArea.Right() - lXDiff, aVisArea.Bottom() - lYDiff ) ),
351             bUpdateScrollbar);
352 }
353 
354 
355 void SwView::CheckVisArea()
356 {
357     pHScrollbar->SetAuto( pWrtShell->GetViewOptions()->getBrowseMode() &&
358                               !GetViewFrame()->GetFrame().IsInPlace() );
359     if ( IsDocumentBorder() )
360     {
361         if ( aVisArea.Left() != DOCUMENTBORDER ||
362              aVisArea.Top()  != DOCUMENTBORDER )
363         {
364             Rectangle aNewVisArea( aVisArea );
365             aNewVisArea.Move( DOCUMENTBORDER - aVisArea.Left(),
366                               DOCUMENTBORDER - aVisArea.Top() );
367             SetVisArea( aNewVisArea, sal_True );
368         }
369     }
370 }
371 
372 /*--------------------------------------------------------------------
373     Beschreibung:   Sichtbaren Bereich berechnen
374 
375     OUT Point *pPt:             neue Position des sichtbaren
376                                 Bereiches
377     IN  Rectangle &rRect:       Rechteck, das sich innerhalb des neuen
378                                 sichtbaren Bereiches befinden soll
379         sal_uInt16 nRange           optional exakte Angabe des Bereiches,
380                                 um den ggfs. gescrollt werden soll
381  --------------------------------------------------------------------*/
382 
383 void SwView::CalcPt( Point *pPt, const Rectangle &rRect,
384                      sal_uInt16 nRangeX, sal_uInt16 nRangeY)
385 {
386 
387     const SwTwips lMin = IsDocumentBorder() ? DOCUMENTBORDER : 0;
388 
389     long nYScroll = GetYScroll();
390     long nDesHeight = rRect.GetHeight();
391     long nCurHeight = aVisArea.GetHeight();
392     nYScroll = Min(nYScroll, nCurHeight - nDesHeight); // wird es knapp, dann nicht zuviel scrollen
393     if(nDesHeight > nCurHeight) // die Hoehe reicht nicht aus, dann interessiert nYScroll nicht mehr
394     {
395         pPt->Y() = rRect.Top();
396         pPt->Y() = Max( lMin, pPt->Y() );
397     }
398     else if ( rRect.Top() < aVisArea.Top() )                //Verschiebung nach oben
399     {
400         pPt->Y() = rRect.Top() - (nRangeY != USHRT_MAX ? nRangeY : nYScroll);
401         pPt->Y() = Max( lMin, pPt->Y() );
402     }
403     else if( rRect.Bottom() > aVisArea.Bottom() )   //Verschiebung nach unten
404     {
405         pPt->Y() = rRect.Bottom() -
406                     (aVisArea.GetHeight()) + ( nRangeY != USHRT_MAX ?
407             nRangeY : nYScroll );
408         pPt->Y() = SetVScrollMax( pPt->Y() );
409     }
410     long nXScroll = GetXScroll();
411     if ( rRect.Right() > aVisArea.Right() )         //Verschiebung nach rechts
412     {
413         pPt->X() = rRect.Right()  -
414                     (aVisArea.GetWidth()) +
415                     (nRangeX != USHRT_MAX ? nRangeX : nXScroll);
416         pPt->X() = SetHScrollMax( pPt->X() );
417     }
418     else if ( rRect.Left() < aVisArea.Left() )      //Verschiebung nach links
419     {
420         pPt->X() = rRect.Left() - (nRangeX != USHRT_MAX ? nRangeX : nXScroll);
421         pPt->X() = Max( ::GetLeftMargin( *this ) + nLeftOfst, pPt->X() );
422         pPt->X() = Min( rRect.Left() - nScrollX, pPt->X() );
423         pPt->X() = Max( 0L, pPt->X() );
424     }
425 }
426 
427 /*--------------------------------------------------------------------
428     Beschreibung:   Scrolling
429  --------------------------------------------------------------------*/
430 
431 sal_Bool SwView::IsScroll( const Rectangle &rRect ) const
432 {
433     return bCenterCrsr || bTopCrsr || !aVisArea.IsInside(rRect);
434 }
435 
436 
437 void SwView::Scroll( const Rectangle &rRect, sal_uInt16 nRangeX, sal_uInt16 nRangeY )
438 {
439     if ( aVisArea.IsEmpty() )
440         return;
441 
442     Rectangle aOldVisArea( aVisArea );
443     long nDiffY = 0;
444 
445     Window* pCareWn = ViewShell::GetCareWin(GetWrtShell());
446     if ( pCareWn )
447     {
448         Rectangle aDlgRect( GetEditWin().PixelToLogic(
449                 pCareWn->GetWindowExtentsRelative( &GetEditWin() ) ) );
450         // Nur, wenn der Dialog nicht rechts oder links der VisArea liegt:
451         if ( aDlgRect.Left() < aVisArea.Right() &&
452              aDlgRect.Right() > aVisArea.Left() )
453         {
454             // Falls wir nicht zentriert werden sollen, in der VisArea liegen
455             // und nicht vom Dialog ueberdeckt werden ...
456             if ( !bCenterCrsr && aOldVisArea.IsInside( rRect )
457                  && ( rRect.Left() > aDlgRect.Right()
458                       || rRect.Right() < aDlgRect.Left()
459                       || rRect.Top() > aDlgRect.Bottom()
460                       || rRect.Bottom() < aDlgRect.Top() ) )
461                 return;
462 
463             // Ist oberhalb oder unterhalb der Dialogs mehr Platz?
464             long nTopDiff = aDlgRect.Top() - aVisArea.Top();
465             long nBottomDiff = aVisArea.Bottom() - aDlgRect.Bottom();
466             if ( nTopDiff < nBottomDiff )
467             {
468                 if ( nBottomDiff > 0 ) // Ist unterhalb ueberhaupt Platz?
469                 {   // dann verschieben wir die Oberkante und merken uns dies
470                     nDiffY = aDlgRect.Bottom() - aVisArea.Top();
471                     aVisArea.Top() += nDiffY;
472                 }
473             }
474             else
475             {
476                 if ( nTopDiff > 0 ) // Ist oberhalb ueberhaupt Platz?
477                     aVisArea.Bottom() = aDlgRect.Top(); // Unterkante aendern
478             }
479         }
480     }
481 
482     //s.o. !IsScroll()
483     if( !(bCenterCrsr || bTopCrsr) && aVisArea.IsInside( rRect ) )
484     {
485         aVisArea = aOldVisArea;
486         return;
487     }
488     //falls das Rechteck groesser als der sichtbare Bereich -->
489     //obere linke Ecke
490     Size aSize( rRect.GetSize() );
491     const Size aVisSize( aVisArea.GetSize() );
492     if( !aVisArea.IsEmpty() && (
493         aSize.Width() + GetXScroll() > aVisSize.Width() ||
494         aSize.Height()+ GetYScroll() > aVisSize.Height() ))
495     {
496         Point aPt( aVisArea.TopLeft() );
497         aSize.Width() = Min( aSize.Width(), aVisSize.Width() );
498         aSize.Height()= Min( aSize.Height(),aVisSize.Height());
499 
500         CalcPt( &aPt, Rectangle( rRect.TopLeft(), aSize ),
501                 static_cast< sal_uInt16 >((aVisSize.Width() - aSize.Width()) / 2),
502                 static_cast< sal_uInt16 >((aVisSize.Height()- aSize.Height())/ 2) );
503 
504         if( bTopCrsr )
505         {
506             const long nBorder = IsDocumentBorder() ? DOCUMENTBORDER : 0;
507             aPt.Y() = Min( Max( nBorder, rRect.Top() ),
508                                 aDocSz.Height() + nBorder -
509                                     aVisArea.GetHeight() );
510         }
511         aPt.Y() -= nDiffY;
512         aVisArea = aOldVisArea;
513         SetVisArea( aPt );
514         return;
515     }
516     if( !bCenterCrsr )
517     {
518         Point aPt( aVisArea.TopLeft() );
519         CalcPt( &aPt, rRect, nRangeX, nRangeY );
520 
521         if( bTopCrsr )
522         {
523             const long nBorder = IsDocumentBorder() ? DOCUMENTBORDER : 0;
524             aPt.Y() = Min( Max( nBorder, rRect.Top() ),
525                                 aDocSz.Height() + nBorder -
526                                     aVisArea.GetHeight() );
527         }
528 
529         aPt.Y() -= nDiffY;
530         aVisArea = aOldVisArea;
531         SetVisArea( aPt );
532         return;
533     }
534 
535     //Cursor zentrieren
536     Point aPnt( aVisArea.TopLeft() );
537     // ... in Y-Richtung auf jeden Fall
538     aPnt.Y() += ( rRect.Top() + rRect.Bottom()
539                   - aVisArea.Top() - aVisArea.Bottom() ) / 2 - nDiffY;
540     // ... in X-Richtung nur, wenn das Rechteck rechts oder links aus der
541     //     VisArea hinausragt.
542     if ( rRect.Right() > aVisArea.Right() || rRect.Left() < aVisArea.Left() )
543     {
544         aPnt.X() += ( rRect.Left() + rRect.Right()
545                   - aVisArea.Left() - aVisArea.Right() ) / 2;
546         aPnt.X() = SetHScrollMax( aPnt.X() );
547         const SwTwips lMin = IsDocumentBorder() ? DOCUMENTBORDER : 0;
548         aPnt.X() = Max( (GetLeftMargin( *this ) - lMin) + nLeftOfst, aPnt.X() );
549     }
550     aVisArea = aOldVisArea;
551     if( pCareWn )
552     {   // Wenn wir nur einem Dialog ausweichen wollen, wollen wir nicht ueber
553         // das Ende des Dokument hinausgehen.
554         aPnt.Y() = SetVScrollMax( aPnt.Y() );
555     }
556     SetVisArea( aPnt );
557 }
558 
559 /*--------------------------------------------------------------------
560     Beschreibung:   Seitenweises Scrollen
561     Liefern den Wert, um den bei PageUp / -Down gescrollt werden soll
562  --------------------------------------------------------------------*/
563 
564 sal_Bool SwView::GetPageScrollUpOffset( SwTwips &rOff ) const
565 {
566     if ( !aVisArea.Top() || !aVisArea.GetHeight() )
567         return sal_False;
568     long nYScrl = GetYScroll() / 2;
569     rOff = -(aVisArea.GetHeight() - nYScrl);
570     //nicht vor den Dokumentanfang scrollen
571     if( aVisArea.Top() - rOff < 0 )
572         rOff = rOff - aVisArea.Top();
573     else if( GetWrtShell().GetCharRect().Top() < (aVisArea.Top() + nYScrl))
574         rOff += nYScrl;
575     return sal_True;
576 }
577 
578 
579 sal_Bool SwView::GetPageScrollDownOffset( SwTwips &rOff ) const
580 {
581     if ( !aVisArea.GetHeight() ||
582          (aVisArea.GetHeight() > aDocSz.Height()) )
583         return sal_False;
584     long nYScrl = GetYScroll() / 2;
585     rOff = aVisArea.GetHeight() - nYScrl;
586     //nicht hinter das Dokumentende scrollen
587     if ( aVisArea.Top() + rOff > aDocSz.Height() )
588         rOff = aDocSz.Height() - aVisArea.Bottom();
589     else if( GetWrtShell().GetCharRect().Bottom() >
590                                             ( aVisArea.Bottom() - nYScrl ))
591         rOff -= nYScrl;
592     return rOff > 0;
593 }
594 
595 // Seitenweises Blaettern
596 
597 long SwView::PageUp()
598 {
599     if (!aVisArea.GetHeight())
600         return 0;
601 
602     Point aPos(aVisArea.TopLeft());
603     aPos.Y() -= aVisArea.GetHeight() - (GetYScroll() / 2);
604     aPos.Y() = Max(0L, aPos.Y());
605     SetVisArea( aPos );
606     return 1;
607 }
608 
609 
610 long SwView::PageDown()
611 {
612     if ( !aVisArea.GetHeight() )
613         return 0;
614     Point aPos( aVisArea.TopLeft() );
615     aPos.Y() += aVisArea.GetHeight() - (GetYScroll() / 2);
616     aPos.Y() = SetVScrollMax( aPos.Y() );
617     SetVisArea( aPos );
618     return 1;
619 }
620 
621 
622 long SwView::PhyPageUp()
623 {
624     //aktuell sichtbare Seite erfragen, nicht formatieren
625     sal_uInt16 nActPage = pWrtShell->GetNextPrevPageNum( sal_False );
626 
627     if( USHRT_MAX != nActPage )
628     {
629         const Point aPt( aVisArea.Left(),
630                          pWrtShell->GetPagePos( nActPage ).Y() );
631         Point aAlPt( AlignToPixel( aPt ) );
632         // falls ein Unterschied besteht, wurde abgeschnitten --> dann
633         // einen Pixel addieren, damit kein Rest der Vorgaengerseite
634         // sichtbar ist
635         if( aPt.Y() != aAlPt.Y() )
636             aAlPt.Y() += 3 * GetEditWin().PixelToLogic( Size( 0, 1 ) ).Height();
637         SetVisArea( aAlPt );
638     }
639     return 1;
640 }
641 
642 
643 long SwView::PhyPageDown()
644 {
645     //aktuell sichtbare Seite erfragen, nicht formatieren
646     sal_uInt16 nActPage = pWrtShell->GetNextPrevPageNum( sal_True );
647     // falls die letzte Dokumentseite sichtbar ist, nichts tun
648     if( USHRT_MAX != nActPage )
649     {
650         const Point aPt( aVisArea.Left(),
651                          pWrtShell->GetPagePos( nActPage ).Y() );
652         Point aAlPt( AlignToPixel( aPt ) );
653         // falls ein Unterschied besteht, wurde abgeschnitten --> dann
654         // einen Pixel addieren, damit kein Rest der Vorgaengerseite sichtbar ist
655         if( aPt.Y() != aAlPt.Y() )
656             aAlPt.Y() += 3 * GetEditWin().PixelToLogic( Size( 0, 1 ) ).Height();
657         SetVisArea( aAlPt );
658     }
659     return 1;
660 }
661 
662 
663 long SwView::PageUpCrsr( sal_Bool bSelect )
664 {
665     if ( !bSelect )
666     {
667         const sal_uInt16 eType = pWrtShell->GetFrmType(0,sal_True);
668         if ( eType & FRMTYPE_FOOTNOTE )
669         {
670             pWrtShell->MoveCrsr();
671             pWrtShell->GotoFtnAnchor();
672             pWrtShell->Right(CRSR_SKIP_CHARS, sal_False, 1, sal_False );
673             return 1;
674         }
675     }
676 
677     SwTwips lOff = 0;
678     if ( GetPageScrollUpOffset( lOff ) &&
679          (pWrtShell->IsCrsrReadonly() ||
680           !pWrtShell->PageCrsr( lOff, bSelect )) &&
681          PageUp() )
682     {
683         pWrtShell->ResetCursorStack();
684         return sal_True;
685     }
686     return sal_False;
687 }
688 
689 
690 long SwView::PageDownCrsr(sal_Bool bSelect)
691 {
692     SwTwips lOff = 0;
693     if ( GetPageScrollDownOffset( lOff ) &&
694          (pWrtShell->IsCrsrReadonly() ||
695           !pWrtShell->PageCrsr( lOff, bSelect )) &&
696          PageDown() )
697     {
698         pWrtShell->ResetCursorStack();
699         return sal_True;
700     }
701     return sal_False;
702 }
703 
704 /*------------------------------------------------------------------------
705  Beschreibung:  Handler der Scrollbars
706 ------------------------------------------------------------------------*/
707 
708 IMPL_LINK( SwView, ScrollHdl, SwScrollbar *, pScrollbar )
709 {
710     if ( GetWrtShell().ActionPend() )
711         return 0;
712 
713     if ( pScrollbar->GetType() == SCROLL_DRAG )
714         pWrtShell->EnableSmooth( sal_False );
715 
716     if(!pWrtShell->GetViewOptions()->getBrowseMode() &&
717         pScrollbar->GetType() == SCROLL_DRAG)
718     {
719         //Hier wieder auskommentieren wenn das mitscrollen nicht gewuenscht ist.
720         // JP 21.07.00: the end scrollhandler invalidate the FN_STAT_PAGE,
721         //              so we dont must do it agin.
722         EndScrollHdl(pScrollbar);
723 
724         Point aPos( aVisArea.TopLeft() );
725         lcl_GetPos(this, aPos, pScrollbar, IsDocumentBorder());
726 
727         sal_uInt16 nPhNum = 1;
728         sal_uInt16 nVirtNum = 1;
729 
730         String sDisplay;
731         if(pWrtShell->GetPageNumber( aPos.Y(), sal_False, nPhNum, nVirtNum, sDisplay ))
732         {
733             // JP 21.07.00: the end scrollhandler invalidate the FN_STAT_PAGE,
734             //              so we dont must do it agin.
735 //          if(!GetViewFrame()->GetFrame().IsInPlace())
736 //              S F X_BINDINGS().Update(FN_STAT_PAGE);
737 
738             //QuickHelp:
739             if( pWrtShell->GetPageCnt() > 1 && Help::IsQuickHelpEnabled() )
740             {
741                 if( !nPgNum || nPgNum != nPhNum )
742                 {
743                     Rectangle aRect;
744                     aRect.Left() = pScrollbar->GetParent()->OutputToScreenPixel(
745                                         pScrollbar->GetPosPixel() ).X() -8;
746                     aRect.Top() = pScrollbar->OutputToScreenPixel(
747                                     pScrollbar->GetPointerPosPixel() ).Y();
748                     aRect.Right()   = aRect.Left();
749                     aRect.Bottom()  = aRect.Top();
750 
751                     String sPageStr( GetPageStr( nPhNum, nVirtNum, sDisplay ));
752                     SwContentAtPos aCnt( SwContentAtPos::SW_OUTLINE );
753                     pWrtShell->GetContentAtPos( aPos, aCnt );
754                     if( aCnt.sStr.Len() )
755                     {
756                         sPageStr += String::CreateFromAscii(
757                                         RTL_CONSTASCII_STRINGPARAM( "  - " ));
758                         sPageStr.Insert( aCnt.sStr, 0, 80 );
759                         sPageStr.SearchAndReplaceAll( '\t', ' ' );
760                         sPageStr.SearchAndReplaceAll( 0x0a, ' ' );
761                     }
762 
763                     Help::ShowQuickHelp( pScrollbar, aRect, sPageStr,
764                                     QUICKHELP_RIGHT|QUICKHELP_VCENTER);
765                 }
766                 nPgNum = nPhNum;
767             }
768         }
769     }
770     else
771         EndScrollHdl(pScrollbar);
772 
773     if ( pScrollbar->GetType() == SCROLL_DRAG )
774         pWrtShell->EnableSmooth( sal_True );
775 
776     return 0;
777 }
778 /*------------------------------------------------------------------------
779  Beschreibung:  Handler der Scrollbars
780 ------------------------------------------------------------------------*/
781 
782 IMPL_LINK( SwView, EndScrollHdl, SwScrollbar *, pScrollbar )
783 {
784     if ( !GetWrtShell().ActionPend() )
785     {
786         if(nPgNum)
787         {
788             nPgNum = 0;
789             Help::ShowQuickHelp(pScrollbar, Rectangle(), aEmptyStr, 0);
790         }
791         Point aPos( aVisArea.TopLeft() );
792         sal_Bool bBorder = IsDocumentBorder();
793         lcl_GetPos(this, aPos, pScrollbar, bBorder);
794         if ( bBorder && aPos == aVisArea.TopLeft() )
795             UpdateScrollbars();
796         else
797             SetVisArea( aPos, sal_False );
798 
799         GetViewFrame()->GetBindings().Update(FN_STAT_PAGE);
800     }
801     return 0;
802 }
803 
804 /*--------------------------------------------------------------------
805     Beschreibung:
806 
807         berechnet die Groesse von aVisArea abhaengig von der Groesse
808         des EditWin auf dem Schirm.
809 
810  --------------------------------------------------------------------*/
811 
812 void SwView::CalcVisArea( const Size &rOutPixel )
813 {
814     Point aTopLeft;
815     Rectangle aRect( aTopLeft, rOutPixel );
816     aTopLeft = GetEditWin().PixelToLogic( aTopLeft );
817     Point aBottomRight( GetEditWin().PixelToLogic( aRect.BottomRight() ) );
818 
819     aRect.Left() = aTopLeft.X();
820     aRect.Top() = aTopLeft.Y();
821     aRect.Right() = aBottomRight.X();
822     aRect.Bottom() = aBottomRight.Y();
823 
824     //Die Verschiebungen nach rechts und/oder unten koennen jetzt falsch
825     //sein (z.B. Zoom aendern, Viewgroesse aendern.
826     const long lBorder = IsDocumentBorder() ? DOCUMENTBORDER : DOCUMENTBORDER*2;
827     if ( aRect.Left() )
828     {
829         const long lWidth = GetWrtShell().GetDocSize().Width() + lBorder;
830         if ( aRect.Right() > lWidth )
831         {
832             long lDelta    = aRect.Right() - lWidth;
833             aRect.Left()  -= lDelta;
834             aRect.Right() -= lDelta;
835         }
836     }
837     if ( aRect.Top() )
838     {
839         const long lHeight = GetWrtShell().GetDocSize().Height() + lBorder;
840         if ( aRect.Bottom() > lHeight )
841         {
842             long lDelta     = aRect.Bottom() - lHeight;
843             aRect.Top()    -= lDelta;
844             aRect.Bottom() -= lDelta;
845         }
846     }
847     SetVisArea( aRect );
848     GetViewFrame()->GetBindings().Invalidate( SID_ATTR_ZOOM );
849     GetViewFrame()->GetBindings().Invalidate( SID_ATTR_ZOOMSLIDER ); // for snapping points
850 }
851 
852 /*--------------------------------------------------------------------
853     Beschreibung:   Bedienelemente neu anordnen
854  --------------------------------------------------------------------*/
855 
856 
857 void SwView::CalcAndSetBorderPixel( SvBorder &rToFill, sal_Bool /*bInner*/ )
858 {
859     sal_Bool bRightVRuler = pWrtShell->GetViewOptions()->IsVRulerRight();
860     if ( pVRuler->IsVisible() )
861     {
862         long nWidth = pVRuler->GetSizePixel().Width();
863         if(bRightVRuler)
864             rToFill.Right() = nWidth;
865         else
866             rToFill.Left() = nWidth;
867     }
868 
869     DBG_ASSERT(pHRuler, "warum ist das Lineal nicht da?");
870     if ( pHRuler->IsVisible() )
871         rToFill.Top() = pHRuler->GetSizePixel().Height();
872 
873     const StyleSettings &rSet = GetEditWin().GetSettings().GetStyleSettings();
874     const long nTmp = rSet.GetScrollBarSize();
875     if( pVScrollbar->IsVisible(sal_False) )
876     {
877         if(bRightVRuler)
878             rToFill.Left() = nTmp;
879         else
880             rToFill.Right()  = nTmp;
881     }
882     //#i32913# in browse mode the visibility of the horizontal scrollbar
883     // depends on the content (fixed width tables may require a scrollbar)
884     if ( pHScrollbar->IsVisible(pWrtShell->GetViewOptions()->getBrowseMode()) )
885         rToFill.Bottom() = nTmp;
886 
887     SetBorderPixel( rToFill );
888 }
889 
890 
891 void ViewResizePixel( const Window &rRef,
892                     const Point &rOfst,
893                     const Size &rSize,
894                     const Size &rEditSz,
895                     const sal_Bool /*bInner*/,
896                     SwScrollbar& rVScrollbar,
897                     SwScrollbar& rHScrollbar,
898                     ImageButton* pPageUpBtn,
899                     ImageButton* pPageDownBtn,
900                     ImageButton* pNaviBtn,
901                     Window& rScrollBarBox,
902                     SvxRuler* pVLineal,
903                     SvxRuler* pHLineal,
904                     sal_Bool bWebView,
905                     sal_Bool bVRulerRight )
906 {
907 // ViewResizePixel wird auch von der PreView benutzt!!!
908 
909     const sal_Bool bHLineal = pHLineal && pHLineal->IsVisible();
910     const long nHLinSzHeight = bHLineal ?
911                         pHLineal->GetSizePixel().Height() : 0;
912     const sal_Bool bVLineal = pVLineal && pVLineal->IsVisible();
913     const long nVLinSzWidth = bVLineal ?
914                         pVLineal->GetSizePixel().Width() : 0;
915     long nHBSzHeight2= rHScrollbar.IsVisible( sal_False ) || !rHScrollbar.IsAuto() ?
916                        rRef.GetSettings().GetStyleSettings().GetScrollBarSize() : 0;
917     long nHBSzHeight =
918                 rHScrollbar.IsVisible(sal_True) ||  (rHScrollbar.IsVisible( sal_False ) && !rHScrollbar.IsAuto()) ?
919                                 nHBSzHeight2:0;
920     long nVBSzWidth = rVScrollbar.IsVisible(sal_True) ||  (rVScrollbar.IsVisible( sal_False ) && !rVScrollbar.IsAuto()) ?
921                          rRef.GetSettings().GetStyleSettings().GetScrollBarSize() : 0;
922 
923     if(pVLineal)
924     {
925         WinBits nStyle = pVLineal->GetStyle()&~WB_RIGHT_ALIGNED;
926         Point aPos( rOfst.X(), rOfst.Y()+nHLinSzHeight );
927         if(bVRulerRight)
928         {
929             aPos.X() += rSize.Width() - nVLinSzWidth;
930             nStyle |= WB_RIGHT_ALIGNED;
931         }
932         Size  aSize( nVLinSzWidth, rEditSz.Height() );
933         if(!aSize.Width())
934             aSize.Width() = pVLineal->GetSizePixel().Width();
935         pVLineal->SetStyle(nStyle);
936         pVLineal->SetPosSizePixel( aPos, aSize );
937         if(!pVLineal->IsVisible())
938             pVLineal->Resize();
939     }
940 //  Lineal braucht ein Resize, sonst funktioniert es nicht im unischtbaren Zustand
941     if(pHLineal)
942     {
943         Size aSize( rSize.Width(), nHLinSzHeight );
944         if ( nVBSzWidth && !bVRulerRight)
945             aSize.Width() -= nVBSzWidth;
946         if(!aSize.Height())
947             aSize.Height() = pHLineal->GetSizePixel().Height();
948         pHLineal->SetPosSizePixel( rOfst, aSize );
949 //      #46802 VCL ruft an unsichtbaren Fenstern kein Resize
950 //      fuer das Lineal ist das aber keine gute Idee
951         if(!pHLineal->IsVisible())
952             pHLineal->Resize();
953     }
954 
955     // Scrollbars und SizeBox anordnen
956     Point aScrollFillPos;
957     {
958         Point aPos( rOfst.X(),
959                     rOfst.Y()+rSize.Height()-nHBSzHeight );
960         if(bVRulerRight)
961         {
962             aPos.X() += nVBSzWidth;
963         }
964 
965         Size  aSize( rSize.Width(), nHBSzHeight2 );
966         if ( nVBSzWidth )
967             aSize.Width() -= nVBSzWidth;
968         rHScrollbar.SetPosSizePixel( aPos, aSize );
969         aScrollFillPos.Y() = aPos.Y();
970     }
971     {
972         Point aPos( rOfst.X()+rSize.Width()-nVBSzWidth,
973                     rOfst.Y() );
974         Size  aSize( nVBSzWidth, rSize.Height() );
975         if(bVRulerRight)
976         {
977             aPos.X() = rOfst.X();
978             if(bHLineal)
979             {
980                 aPos.Y() += nHLinSzHeight;
981                 aSize.Height() -= nHLinSzHeight;
982             }
983         }
984 
985         Size  aImgSz( nVBSzWidth, nVBSzWidth );
986 
987         //#55949#  wenn der Platz fuer Scrollbar und Page-Buttons zu klein wird, dann
988         // werden die Buttons versteckt
989         sal_uInt16 nCnt = pNaviBtn ? 3 : 2;
990         long nSubSize = (aImgSz.Width() * nCnt );
991         //
992         sal_Bool bHidePageButtons = aSize.Height() < ((bWebView ? 3 : 2) * nSubSize);
993         if(!bHidePageButtons)
994             aSize.Height() -= nSubSize;
995         else
996             aImgSz.Width() = 0; // kein Hide, weil das im Update Scrollbar missverstanden wird
997 
998         if ( nHBSzHeight )
999             aSize.Height() -= nHBSzHeight;
1000         rVScrollbar.SetPosSizePixel( aPos, aSize );
1001 
1002         aPos.Y() += aSize.Height();
1003         pPageUpBtn->SetPosSizePixel( aPos, aImgSz );
1004         if(pNaviBtn)
1005         {
1006             aPos.Y() += aImgSz.Height();
1007             pNaviBtn->SetPosSizePixel(aPos, aImgSz);
1008         }
1009 
1010         aPos.Y() += aImgSz.Height();
1011         pPageDownBtn->SetPosSizePixel( aPos, aImgSz );
1012 
1013 
1014         if( rHScrollbar.IsVisible( sal_False ) )
1015         {
1016             aScrollFillPos.X() = aPos.X();
1017 
1018             rScrollBarBox.SetPosSizePixel( aScrollFillPos,
1019                                          Size( nHBSzHeight, nVBSzWidth) );
1020         }
1021     }
1022 }
1023 
1024 
1025 void SwView::ShowAtResize()
1026 {
1027     bShowAtResize = sal_False;
1028     if ( pWrtShell->GetViewOptions()->IsViewHRuler() )
1029         pHRuler->Show();
1030 }
1031 
1032 
1033 void SwView::InnerResizePixel( const Point &rOfst, const Size &rSize )
1034 {
1035     Size aObjSize = GetObjectShell()->GetVisArea().GetSize();
1036     if ( aObjSize.Width() > 0 && aObjSize.Height() > 0 )
1037     {
1038         SvBorder aBorder( GetBorderPixel() );
1039         Size aSize( rSize );
1040         aSize.Width() -= (aBorder.Left() + aBorder.Right());
1041         aSize.Height() -= (aBorder.Top() + aBorder.Bottom());
1042         Size aObjSizePixel = GetWindow()->LogicToPixel( aObjSize, MAP_TWIP );
1043         SfxViewShell::SetZoomFactor( Fraction( aSize.Width(), aObjSizePixel.Width() ),
1044                         Fraction( aSize.Height(), aObjSizePixel.Height() ) );
1045     }
1046 
1047     bInInnerResizePixel = sal_True;
1048     const sal_Bool bHScrollVisible = pHScrollbar->IsVisible(sal_True);
1049     const sal_Bool bVScrollVisible = pVScrollbar->IsVisible(sal_True);
1050     sal_Bool bRepeat = sal_False;
1051     do
1052     {
1053         Size aSz( rSize );
1054         SvBorder aBorder;
1055         CalcAndSetBorderPixel( aBorder, sal_True );
1056         if ( GetViewFrame()->GetFrame().IsInPlace() )
1057         {
1058             Size aViewSize( aSz );
1059             Point aViewPos( rOfst );
1060             aViewSize.Height() -= (aBorder.Top() + aBorder.Bottom());
1061             aViewSize.Width()  -= (aBorder.Left() + aBorder.Right());
1062             aViewPos.X() += aBorder.Left();
1063             aViewPos.Y() += aBorder.Top();
1064             GetEditWin().SetPosSizePixel( aViewPos, aViewSize );
1065         }
1066         else
1067         {
1068             aSz.Height() += aBorder.Top()  + aBorder.Bottom();
1069             aSz.Width()  += aBorder.Left() + aBorder.Right();
1070         }
1071 
1072         Size aEditSz( GetEditWin().GetOutputSizePixel() );
1073         ViewResizePixel( GetEditWin(), rOfst, aSz, aEditSz, sal_True, *pVScrollbar,
1074                             *pHScrollbar, pPageUpBtn, pPageDownBtn,
1075                             pNaviBtn,
1076                             *pScrollFill, pVRuler, pHRuler,
1077                             0 != PTR_CAST(SwWebView, this),
1078                             pWrtShell->GetViewOptions()->IsVRulerRight());
1079         if ( bShowAtResize )
1080             ShowAtResize();
1081 
1082         if( pHRuler->IsVisible() || pVRuler->IsVisible() )
1083         {
1084             const Fraction& rFrac = GetEditWin().GetMapMode().GetScaleX();
1085             sal_uInt16 nZoom = 100;
1086             if (0 != rFrac.GetDenominator())
1087                 nZoom = sal_uInt16(rFrac.GetNumerator() * 100L / rFrac.GetDenominator());
1088 
1089             const Fraction aFrac( nZoom, 100 );
1090             pVRuler->SetZoom( aFrac );
1091             pHRuler->SetZoom( aFrac );
1092             InvalidateRulerPos();   //Inhalt invalidieren.
1093         }
1094         //CursorStack zuruecksetzen, da die Cursorpositionen fuer PageUp/-Down
1095         //nicht mehr zum aktuell sichtbaren Bereich passen
1096         pWrtShell->ResetCursorStack();
1097 
1098         //EditWin niemals einstellen!
1099 
1100         //VisArea einstellen, aber dort nicht das SetVisArea der DocShell rufen!
1101         bProtectDocShellVisArea = sal_True;
1102         CalcVisArea( aEditSz );
1103         //visibility changes of the automatic horizontal scrollbar
1104         //require to repeat the ViewResizePixel() call - but only once!
1105         if(bRepeat)
1106             bRepeat = sal_False;
1107         else if(bHScrollVisible != pHScrollbar->IsVisible(sal_True) ||
1108                 bVScrollVisible != pVScrollbar->IsVisible(sal_True))
1109             bRepeat = sal_True;
1110     }while( bRepeat );
1111     bProtectDocShellVisArea = sal_False;
1112     bInInnerResizePixel = sal_False;
1113 }
1114 
1115 
1116 void SwView::OuterResizePixel( const Point &rOfst, const Size &rSize )
1117 {
1118     // FME 22.08.2003 #i16909# - return, if no size (caused by minimize window).
1119     if ( bInOuterResizePixel || ( !rSize.Width() && !rSize.Height() ) )
1120         return;
1121     bInOuterResizePixel = sal_True;
1122 
1123 // feststellen, ob Scrollbars angezeigt werden duerfen
1124     sal_Bool bBrowse = pWrtShell->GetViewOptions()->getBrowseMode();
1125     sal_Bool bShowH = sal_False,
1126          bShowV = sal_False,
1127          bAuto  = sal_False,
1128          bHAuto = bBrowse;
1129     switch( GetScrollingMode() )
1130     {
1131     case SCROLLING_DEFAULT:
1132         {
1133             const SwViewOption *pVOpt = pWrtShell->GetViewOptions();
1134             if ( !pVOpt->IsReadonly() || pVOpt->IsStarOneSetting() )
1135             {
1136                 bShowH = pVOpt->IsViewHScrollBar();
1137                 bShowV = pVOpt->IsViewVScrollBar();
1138                 break;
1139             }
1140         }
1141         /* kein break hier */
1142     case SCROLLING_AUTO:
1143         bAuto = bHAuto = sal_True;
1144         bShowH = bShowV = sal_True;
1145         break;
1146     case SCROLLING_YES:
1147         bShowH = bShowV = sal_True;
1148         break;
1149     case SCROLLING_NO:
1150         bShowH = bShowV = bHAuto = sal_False;
1151         break;
1152     }
1153     SwDocShell* pDocSh = GetDocShell();
1154     sal_Bool bIsPreview = pDocSh->IsPreview();
1155     if( bIsPreview )
1156     {
1157         bShowH = bShowV = bHAuto = bAuto = sal_False;
1158     }
1159     if(pHScrollbar->IsVisible(sal_False) != bShowH)
1160         ShowHScrollbar(bShowH);
1161     pHScrollbar->SetAuto( bHAuto );
1162     if(pVScrollbar->IsVisible(sal_False) != bShowV)
1163         ShowVScrollbar(bShowV);
1164     pVScrollbar->SetAuto(bAuto);
1165 
1166     SET_CURR_SHELL( pWrtShell );
1167     sal_Bool bRepeat = sal_False;
1168     long nCnt = 0;
1169 
1170     sal_Bool bUnLockView = !pWrtShell->IsViewLocked();
1171     pWrtShell->LockView( sal_True );
1172     pWrtShell->LockPaint();
1173 
1174     do {
1175         ++nCnt;
1176         const sal_Bool bScroll1 = pVScrollbar->IsVisible(sal_True);
1177         const sal_Bool bScroll2 = pHScrollbar->IsVisible(sal_True);
1178         SvBorder aBorder;
1179         CalcAndSetBorderPixel( aBorder, sal_False );
1180         const Size aEditSz( GetEditWin().GetOutputSizePixel() );
1181         ViewResizePixel( GetEditWin(), rOfst, rSize, aEditSz, sal_False, *pVScrollbar,
1182                                 *pHScrollbar, pPageUpBtn, pPageDownBtn,
1183                                 pNaviBtn,
1184                                 *pScrollFill, pVRuler, pHRuler,
1185                                 0 != PTR_CAST(SwWebView, this),
1186                                 pWrtShell->GetViewOptions()->IsVRulerRight() );
1187         if ( bShowAtResize )
1188             ShowAtResize();
1189 
1190         if( pHRuler->IsVisible() || pVRuler->IsVisible() )
1191             InvalidateRulerPos();   //Inhalt invalidieren.
1192 
1193         //CursorStack zuruecksetzen, da die Cursorpositionen fuer PageUp/-Down
1194         //nicht mehr zum aktuell sichtbaren Bereich passen
1195         pWrtShell->ResetCursorStack();
1196 
1197         ASSERT( !GetEditWin().IsVisible() ||
1198                     (( aEditSz.Width() > 0 && aEditSz.Height() > 0 )
1199                         || !aVisArea.IsEmpty()), "Small world, isn't it?" );
1200 
1201         //EditWin niemals einstellen!
1202 
1203         //Die VisArea muss aber natuerlich eingestellt werden.
1204         //jetzt ist auch der richtige Zeitpunkt den Zoom neu zu berechnen wenn
1205         //es kein einfacher Faktor ist.
1206         pWrtShell->StartAction();
1207         CalcVisArea( aEditSz );
1208 
1209         //Damit auch beim outplace editing die Seitenbreite sofort
1210         //angepasst wird.
1211         //TODO/LATER: is that still necessary?!
1212         /*
1213         if ( pDocSh->GetCreateMode() == SFX_CREATE_MODE_EMBEDDED )
1214             pDocSh->SetVisArea(
1215                             pDocSh->SfxInPlaceObject::GetVisArea() );*/
1216         if ( pWrtShell->GetViewOptions()->GetZoomType() != SVX_ZOOM_PERCENT &&
1217              !pWrtShell->GetViewOptions()->getBrowseMode() )
1218             _SetZoom( aEditSz, (SvxZoomType)pWrtShell->GetViewOptions()->GetZoomType(), 100, sal_True );
1219         pWrtShell->EndAction();
1220 
1221         bRepeat = bScroll1 != pVScrollbar->IsVisible(sal_True);
1222         if ( !bRepeat )
1223             bRepeat = bScroll2 != pHScrollbar->IsVisible(sal_True);
1224 
1225         //Nicht endlosschleifen. Moeglichst dann stoppen wenn die
1226         //(Auto-)Scrollbars sichtbar sind.
1227         if ( bRepeat &&
1228              ( nCnt > 10 || ( nCnt > 3 && bHAuto && bAuto ) )
1229            )
1230         {
1231             bRepeat = sal_False;
1232         }
1233 
1234     }while ( bRepeat );
1235 
1236     if( pVScrollbar->IsVisible(sal_False) || pVScrollbar->IsAuto())
1237     {
1238         sal_Bool bShowButtons = pVScrollbar->IsVisible(sal_True);
1239         if(pPageUpBtn && pPageUpBtn->IsVisible() != bShowButtons)
1240         {
1241             pPageUpBtn->Show(bShowButtons);
1242             if(pPageDownBtn)
1243                 pPageDownBtn->Show(bShowButtons);
1244             if(pNaviBtn)
1245                 pNaviBtn->Show(bShowButtons);
1246         }
1247     }
1248 
1249     pWrtShell->UnlockPaint();
1250     if( bUnLockView )
1251         pWrtShell->LockView( sal_False );
1252 
1253     bInOuterResizePixel = sal_False;
1254 
1255     if ( mpPostItMgr )
1256     {
1257         mpPostItMgr->CalcRects();
1258         mpPostItMgr->LayoutPostIts();
1259     }
1260 }
1261 
1262 
1263 void SwView::SetZoomFactor( const Fraction &rX, const Fraction &rY )
1264 {
1265     const Fraction &rFrac = rX < rY ? rX : rY;
1266     SetZoom( SVX_ZOOM_PERCENT, (short) long(rFrac * Fraction( 100, 1 )) );
1267 
1268     //Um Rundungsfehler zu minimieren lassen wir von der Basisklasse ggf.
1269     //auch die krummen Werte einstellen
1270     SfxViewShell::SetZoomFactor( rX, rY );
1271 }
1272 
1273 
1274 Size SwView::GetOptimalSizePixel() const
1275 {
1276     Size aPgSize;
1277     if ( pWrtShell->GetViewOptions()->getBrowseMode() )
1278         aPgSize = SvxPaperInfo::GetPaperSize(PAPER_A4);
1279     else
1280     {
1281         aPgSize = GetWrtShell().GetAnyCurRect(RECT_PAGE).SSize();
1282         aPgSize.Width() += DOCUMENTBORDER * 2;
1283 
1284         const SwPageDesc &rDesc = pWrtShell->GetPageDesc( pWrtShell->GetCurPageDesc() );
1285         if( nsUseOnPage::PD_MIRROR == rDesc.GetUseOn() )
1286         {
1287             const SvxLRSpaceItem &rLRSpace = rDesc.GetMaster().GetLRSpace();
1288             const SvxLRSpaceItem &rLeftLRSpace = rDesc.GetLeft().GetLRSpace();
1289             aPgSize.Width() += Abs( long(rLeftLRSpace.GetLeft()) - long(rLRSpace.GetLeft()) );
1290         }
1291     }
1292     return GetEditWin().LogicToPixel( aPgSize );
1293 }
1294 
1295 
1296 sal_Bool SwView::UpdateScrollbars()
1297 {
1298     sal_Bool bRet = sal_False;
1299     if ( !aVisArea.IsEmpty() )
1300     {
1301         const sal_Bool bBorder = IsDocumentBorder();
1302         Rectangle aTmpRect( aVisArea );
1303         if ( bBorder )
1304         {
1305             Point aPt( DOCUMENTBORDER, DOCUMENTBORDER );
1306             aPt = AlignToPixel( aPt );
1307             aTmpRect.Move( -aPt.X(), -aPt.Y() );
1308         }
1309 
1310         Size aTmpSz( aDocSz );
1311         const long lOfst = bBorder ? 0 : DOCUMENTBORDER * 2L;
1312         aTmpSz.Width() += lOfst; aTmpSz.Height() += lOfst;
1313 
1314         {
1315             const sal_Bool bVScrollVisible = pVScrollbar->IsVisible(sal_True);
1316             pVScrollbar->DocSzChgd( aTmpSz );
1317             pVScrollbar->ViewPortChgd( aTmpRect );
1318 
1319             sal_Bool bShowButtons = pVScrollbar->IsVisible(sal_True);
1320             if(pPageUpBtn && pPageUpBtn->IsVisible() != bShowButtons)
1321             {
1322                 pPageUpBtn->Show(bShowButtons);
1323                 if(pPageDownBtn)
1324                     pPageDownBtn->Show(bShowButtons);
1325                 if(pNaviBtn)
1326                     pNaviBtn->Show(bShowButtons);
1327             }
1328 
1329             if ( bVScrollVisible != pVScrollbar->IsVisible(sal_True) )
1330                 bRet = sal_True;
1331         }
1332         {
1333             const sal_Bool bHScrollVisible = pHScrollbar->IsVisible(sal_True);
1334             pHScrollbar->DocSzChgd( aTmpSz );
1335             pHScrollbar->ViewPortChgd( aTmpRect );
1336             if ( bHScrollVisible != pHScrollbar->IsVisible(sal_True) )
1337                 bRet = sal_True;
1338             pScrollFill->Show(pHScrollbar->IsVisible(sal_True) && pVScrollbar->IsVisible(sal_True) );
1339         }
1340     }
1341     return bRet;
1342 }
1343 
1344 
1345 void SwView::Move()
1346 {
1347     if ( GetWrtShell().IsInSelect() )
1348         GetWrtShell().EndSelect();  //#32427#
1349     SfxViewShell::Move();
1350 }
1351 
1352 sal_Bool SwView::HandleWheelCommands( const CommandEvent& rCEvt )
1353 {
1354     sal_Bool bOk = sal_False;
1355     const CommandWheelData* pWData = rCEvt.GetWheelData();
1356     if( pWData && COMMAND_WHEEL_ZOOM == pWData->GetMode() )
1357     {
1358         sal_uInt16 nFact = pWrtShell->GetViewOptions()->GetZoom();
1359         if( 0L > pWData->GetDelta() )
1360             nFact = static_cast< sal_uInt16 >(Max( 20, nFact - 10 ));
1361         else
1362             nFact = static_cast< sal_uInt16 >(Min( 600, nFact + 10 ));
1363 
1364         SetZoom( SVX_ZOOM_PERCENT, nFact );
1365         bOk = sal_True;
1366     }
1367     else
1368     {
1369         if (pWData && (COMMAND_WHEEL_SCROLL==pWData->GetMode()) && (((sal_uLong)0xFFFFFFFF) == pWData->GetScrollLines()))
1370             {
1371                         if (pWData->GetDelta()<0)
1372                                 PhyPageDown();
1373                         else
1374                                 PhyPageUp();
1375                         bOk = sal_True;
1376                 }
1377         else
1378             bOk = pEditWin->HandleScrollCommand( rCEvt,
1379                             pHScrollbar, pVScrollbar);
1380     }
1381     return bOk;
1382 }
1383 
1384 
1385