xref: /core/sw/source/uibase/uiview/pview.cxx (revision 99aad471)
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  *
9  * This file incorporates work covered by the following license notice:
10  *
11  *   Licensed to the Apache Software Foundation (ASF) under one or more
12  *   contributor license agreements. See the NOTICE file distributed
13  *   with this work for additional information regarding copyright
14  *   ownership. The ASF licenses this file to you under the Apache
15  *   License, Version 2.0 (the "License"); you may not use this file
16  *   except in compliance with the License. You may obtain a copy of
17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 #include <sfx2/objface.hxx>
21 #include <vcl/timer.hxx>
22 #include <vcl/field.hxx>
23 #include <vcl/fixed.hxx>
24 #include <vcl/help.hxx>
25 #include <vcl/commandevent.hxx>
26 #include <vcl/button.hxx>
27 #include <vcl/settings.hxx>
28 #include <vcl/weld.hxx>
29 
30 #include <svl/whiter.hxx>
31 #include <svl/stritem.hxx>
32 #include <svl/eitem.hxx>
33 #include <sfx2/printer.hxx>
34 #include <sfx2/progress.hxx>
35 #include <sfx2/app.hxx>
36 #include <sfx2/bindings.hxx>
37 #include <sfx2/request.hxx>
38 #include <sfx2/dispatch.hxx>
39 #include <svx/stddlg.hxx>
40 #include <editeng/paperinf.hxx>
41 #include <svl/srchitem.hxx>
42 #include <svx/svdview.hxx>
43 #include <svx/dlgutil.hxx>
44 #include <svx/zoomslideritem.hxx>
45 #include <svx/svxids.hrc>
46 
47 #include <swwait.hxx>
48 #include <globdoc.hxx>
49 #include <wdocsh.hxx>
50 #include <pvprtdat.hxx>
51 #include <swmodule.hxx>
52 #include <modcfg.hxx>
53 #include <wrtsh.hxx>
54 #include <docsh.hxx>
55 #include <viewopt.hxx>
56 #include <doc.hxx>
57 #include <IDocumentDeviceAccess.hxx>
58 #include <pview.hxx>
59 #include <view.hxx>
60 #include <textsh.hxx>
61 #include <scroll.hxx>
62 #include <prtopt.hxx>
63 #include <docstat.hxx>
64 #include <usrpref.hxx>
65 #include "viewfunc.hxx"
66 
67 #include <helpids.h>
68 #include <cmdid.h>
69 #include <globals.hrc>
70 #include <strings.hrc>
71 
72 #define ShellClass_SwPagePreview
73 #include <sfx2/msg.hxx>
74 #include <swslots.hxx>
75 #include <pagepreviewlayout.hxx>
76 
77 #include <svx/svxdlg.hxx>
78 #include <svx/dialogs.hrc>
79 
80 #include <memory>
81 #include <vcl/EnumContext.hxx>
82 #include <vcl/notebookbar.hxx>
83 #include <prevwpage.hxx>
84 
85 using namespace ::com::sun::star;
86 SFX_IMPL_NAMED_VIEWFACTORY(SwPagePreview, "PrintPreview")
87 {
88     SFX_VIEW_REGISTRATION(SwDocShell);
89     SFX_VIEW_REGISTRATION(SwWebDocShell);
90     SFX_VIEW_REGISTRATION(SwGlobalDocShell);
91 }
92 
93 SFX_IMPL_INTERFACE(SwPagePreview, SfxViewShell)
94 
95 void SwPagePreview::InitInterface_Impl()
96 {
97     GetStaticInterface()->RegisterPopupMenu("preview");
98     GetStaticInterface()->RegisterObjectBar(SFX_OBJECTBAR_OBJECT,
99                                             SfxVisibilityFlags::Standard|SfxVisibilityFlags::Client|SfxVisibilityFlags::FullScreen|SfxVisibilityFlags::ReadonlyDoc,
100                                             ToolbarId::PView_Toolbox);
101 }
102 
103 
104 #define SWVIEWFLAGS SfxViewShellFlags::HAS_PRINTOPTIONS
105 
106 #define MIN_PREVIEW_ZOOM 25
107 #define MAX_PREVIEW_ZOOM 600
108 
109 static sal_uInt16 lcl_GetNextZoomStep(sal_uInt16 nCurrentZoom, bool bZoomIn)
110 {
111     static const sal_uInt16 aZoomArr[] =
112     {
113         25, 50, 75, 100, 150, 200, 400, 600
114     };
115     const int nZoomArrSize = static_cast<int>(SAL_N_ELEMENTS(aZoomArr));
116     if (bZoomIn)
117     {
118         for(int i = nZoomArrSize - 1; i >= 0; --i)
119         {
120             if(nCurrentZoom > aZoomArr[i] || !i)
121                 return aZoomArr[i];
122         }
123     }
124     else
125     {
126         for(sal_uInt16 i : aZoomArr)
127         {
128             if(nCurrentZoom < i)
129                 return i;
130         }
131     }
132     return bZoomIn ? MAX_PREVIEW_ZOOM : MIN_PREVIEW_ZOOM;
133 };
134 
135 static void lcl_InvalidateZoomSlots(SfxBindings& rBindings)
136 {
137     static sal_uInt16 const aInval[] =
138     {
139         SID_ATTR_ZOOM, SID_ZOOM_OUT, SID_ZOOM_IN, SID_ATTR_ZOOMSLIDER, FN_PREVIEW_ZOOM, FN_STAT_ZOOM,
140         0
141     };
142     rBindings.Invalidate( aInval );
143 }
144 
145 // At first the zoom dialog
146 class SwPreviewZoomDlg : public weld::GenericDialogController
147 {
148     SwPagePreviewWin& m_rParent;
149     std::unique_ptr<weld::SpinButton> m_xRowEdit;
150     std::unique_ptr<weld::SpinButton> m_xColEdit;
151 
152 public:
153     SwPreviewZoomDlg(SwPagePreviewWin& rParent)
154         : GenericDialogController(rParent.GetFrameWeld(), "modules/swriter/ui/previewzoomdialog.ui", "PreviewZoomDialog")
155         , m_rParent(rParent)
156         , m_xRowEdit(m_xBuilder->weld_spin_button("rows"))
157         , m_xColEdit(m_xBuilder->weld_spin_button("cols"))
158     {
159         m_xRowEdit->set_value(rParent.GetRow());
160         m_xColEdit->set_value(rParent.GetCol());
161     }
162 
163     void execute()
164     {
165         if (run() == RET_OK)
166         {
167             m_rParent.CalcWish(sal_uInt8(m_xRowEdit->get_value()), sal_uInt8(m_xColEdit->get_value()));
168         }
169     }
170 };
171 
172 // all for SwPagePreviewWin
173 SwPagePreviewWin::SwPagePreviewWin( vcl::Window *pParent, SwPagePreview& rPView )
174     : Window(pParent, WinBits(WB_CLIPCHILDREN))
175     , mpViewShell(nullptr)
176     , mrView(rPView)
177     , mbCalcScaleForPreviewLayout(true)
178     , maPaintedPreviewDocRect(tools::Rectangle(0,0,0,0))
179     , mpPgPreviewLayout(nullptr)
180 {
181     SetOutDevViewType( OutDevViewType::PrintPreview );
182     SetHelpId(HID_PAGEPREVIEW);
183     SetFillColor( GetBackground().GetColor() );
184     SetLineColor( GetBackground().GetColor());
185     SetMapMode( MapMode(MapUnit::MapTwip) );
186 
187     const SwMasterUsrPref *pUsrPref = SW_MOD()->GetUsrPref(false);
188     mnRow = pUsrPref->GetPagePrevRow();     // 1 row
189     mnCol = pUsrPref->GetPagePrevCol();     // 1 column
190     mnSttPage = USHRT_MAX;
191 }
192 
193 SwPagePreviewWin::~SwPagePreviewWin()
194 {
195 }
196 
197 void  SwPagePreviewWin::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
198 {
199     if (!mpViewShell || !mpViewShell->GetLayout())
200         return;
201 
202     if (USHRT_MAX == mnSttPage)        // was never calculated ? (Init-Phase!)
203     {
204         // This is the size to which I always relate.
205         if (!maPxWinSize.Height() || !maPxWinSize.Width())
206             maPxWinSize = GetOutputSizePixel();
207 
208         tools::Rectangle aRect(rRenderContext.LogicToPixel(rRect));
209         mpPgPreviewLayout->Prepare(1, Point(0,0), maPxWinSize,
210                                    mnSttPage, maPaintedPreviewDocRect);
211         SetSelectedPage(1);
212         mpPgPreviewLayout->Paint(rRenderContext, rRenderContext.PixelToLogic(aRect));
213         SetPagePreview(mnRow, mnCol);
214     }
215     else
216     {
217         MapMode aMM(rRenderContext.GetMapMode());
218         aMM.SetScaleX(maScale);
219         aMM.SetScaleY(maScale);
220         rRenderContext.SetMapMode(aMM);
221         mpPgPreviewLayout->GetParentViewShell().setOutputToWindow(true);
222         mpPgPreviewLayout->Paint(rRenderContext, rRect);
223         mpPgPreviewLayout->GetParentViewShell().setOutputToWindow(false);
224     }
225 }
226 
227 void SwPagePreviewWin::CalcWish( sal_uInt8 nNewRow, sal_uInt8 nNewCol )
228 {
229     if( !mpViewShell || !mpViewShell->GetLayout() )
230         return;
231 
232     const sal_uInt8 nOldCol = mnCol;
233     mnRow = nNewRow;
234     mnCol = nNewCol;
235     const sal_uInt16 nPages = mnRow * mnCol;
236     const sal_uInt16 nLastSttPg = mrView.GetPageCount()+1 > nPages
237                             ? mrView.GetPageCount()+1 - nPages : 0;
238     if( mnSttPage > nLastSttPg )
239         mnSttPage = nLastSttPg;
240 
241     mpPgPreviewLayout->Init( mnCol, mnRow, maPxWinSize );
242     mpPgPreviewLayout->Prepare( mnSttPage, Point(0,0), maPxWinSize,
243                               mnSttPage, maPaintedPreviewDocRect );
244     SetSelectedPage( mnSttPage );
245     SetPagePreview(mnRow, mnCol);
246     maScale = GetMapMode().GetScaleX();
247 
248     // If changes have taken place at the columns, the special case "single column"
249     // must be considered and corrected if necessary.
250     if( (1 == nOldCol) != (1 == mnCol) )
251         mrView.ScrollDocSzChg();
252 
253     // Order must be maintained!
254     // additional invalidate page status.
255     static sal_uInt16 aInval[] =
256     {
257         SID_ATTR_ZOOM, SID_ZOOM_OUT, SID_ZOOM_IN,
258         FN_PREVIEW_ZOOM,
259         FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, FN_PAGEUP, FN_PAGEDOWN,
260         FN_STAT_PAGE, FN_STAT_ZOOM,
261         FN_SHOW_TWO_PAGES, FN_SHOW_MULTIPLE_PAGES,
262         0
263     };
264     SfxBindings& rBindings = mrView.GetViewFrame()->GetBindings();
265     rBindings.Invalidate( aInval );
266     rBindings.Update( FN_SHOW_TWO_PAGES );
267     rBindings.Update( FN_SHOW_MULTIPLE_PAGES );
268     // adjust scrollbars
269     mrView.ScrollViewSzChg();
270 }
271 
272 // mnSttPage is Absolute
273 bool SwPagePreviewWin::MovePage( int eMoveMode )
274 {
275     // number of pages up
276     const sal_uInt16 nPages = mnRow * mnCol;
277     sal_uInt16 nNewSttPage = mnSttPage;
278     const sal_uInt16 nPageCount = mrView.GetPageCount();
279     const sal_uInt16 nDefSttPg = GetDefSttPage();
280     bool bPaintPageAtFirstCol = true;
281 
282     switch( eMoveMode )
283     {
284     case MV_PAGE_UP:
285     {
286         const sal_uInt16 nRelSttPage = mpPgPreviewLayout->ConvertAbsoluteToRelativePageNum( mnSttPage );
287         const sal_uInt16 nNewAbsSttPage = nRelSttPage - nPages > 0 ?
288                                           mpPgPreviewLayout->ConvertRelativeToAbsolutePageNum( nRelSttPage - nPages ) :
289                                           nDefSttPg;
290         nNewSttPage = nNewAbsSttPage;
291 
292         const sal_uInt16 nRelSelPage = mpPgPreviewLayout->ConvertAbsoluteToRelativePageNum( SelectedPage() );
293         const sal_uInt16 nNewRelSelPage = nRelSelPage - nPages > 0 ?
294                                           nRelSelPage - nPages :
295                                           1;
296         SetSelectedPage( mpPgPreviewLayout->ConvertRelativeToAbsolutePageNum( nNewRelSelPage ) );
297 
298         break;
299     }
300     case MV_PAGE_DOWN:
301     {
302         const sal_uInt16 nRelSttPage = mpPgPreviewLayout->ConvertAbsoluteToRelativePageNum( mnSttPage );
303         const sal_uInt16 nNewAbsSttPage = mpPgPreviewLayout->ConvertRelativeToAbsolutePageNum( nRelSttPage + nPages );
304         nNewSttPage = std::min(nNewAbsSttPage, nPageCount);
305 
306         const sal_uInt16 nRelSelPage = mpPgPreviewLayout->ConvertAbsoluteToRelativePageNum( SelectedPage() );
307         const sal_uInt16 nNewAbsSelPage = mpPgPreviewLayout->ConvertRelativeToAbsolutePageNum( nRelSelPage + nPages );
308         SetSelectedPage( std::min(nNewAbsSelPage, nPageCount) );
309 
310         break;
311     }
312     case MV_DOC_STT:
313         nNewSttPage = nDefSttPg;
314         SetSelectedPage( mpPgPreviewLayout->ConvertRelativeToAbsolutePageNum( nNewSttPage ? nNewSttPage : 1 ) );
315         break;
316     case MV_DOC_END:
317         // correct calculation of new start page.
318         nNewSttPage = nPageCount;
319         SetSelectedPage( nPageCount );
320         break;
321 
322     case MV_SELPAGE:
323         // <nNewSttPage> and <SelectedPage()> are already set.
324         // not start at first column, only if the
325         // complete preview layout columns doesn't fit into window.
326         if ( !mpPgPreviewLayout->DoesPreviewLayoutColsFitIntoWindow() )
327             bPaintPageAtFirstCol = false;
328         break;
329     case MV_SCROLL:
330         // check, if paint page at first column
331         // has to be avoided
332         if ( !mpPgPreviewLayout->DoesPreviewLayoutRowsFitIntoWindow() ||
333              !mpPgPreviewLayout->DoesPreviewLayoutColsFitIntoWindow() )
334             bPaintPageAtFirstCol = false;
335         break;
336     case MV_NEWWINSIZE:
337         // nothing special to do.
338         break;
339     case MV_CALC:
340         // re-init page preview layout.
341         mpPgPreviewLayout->ReInit();
342 
343         // correct calculation of new start page.
344         if( nNewSttPage > nPageCount )
345             nNewSttPage = nPageCount;
346 
347         // correct selected page number
348         if( SelectedPage() > nPageCount )
349             SetSelectedPage( nNewSttPage ? nNewSttPage : 1 );
350     }
351 
352     mpPgPreviewLayout->Prepare( nNewSttPage, Point(0,0), maPxWinSize,
353                               nNewSttPage,
354                               maPaintedPreviewDocRect, bPaintPageAtFirstCol );
355     if( nNewSttPage == mnSttPage &&
356         eMoveMode != MV_SELPAGE )
357         return false;
358 
359     SetPagePreview(mnRow, mnCol);
360     mnSttPage = nNewSttPage;
361 
362     // additional invalidate page status.
363     static sal_uInt16 aInval[] =
364     {
365         FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, FN_PAGEUP, FN_PAGEDOWN,
366         FN_STAT_PAGE, 0
367     };
368 
369     SfxBindings& rBindings = mrView.GetViewFrame()->GetBindings();
370     rBindings.Invalidate( aInval );
371 
372     return true;
373 }
374 
375 void SwPagePreviewWin::SetWinSize( const Size& rNewSize )
376 {
377     // We always want the size as pixel units.
378     maPxWinSize = LogicToPixel( rNewSize );
379 
380     if( USHRT_MAX == mnSttPage )
381     {
382         mnSttPage = GetDefSttPage();
383         SetSelectedPage( GetDefSttPage() );
384     }
385 
386     if ( mbCalcScaleForPreviewLayout )
387     {
388         mpPgPreviewLayout->Init( mnCol, mnRow, maPxWinSize );
389         maScale = GetMapMode().GetScaleX();
390     }
391     mpPgPreviewLayout->Prepare( mnSttPage, Point(0,0), maPxWinSize,
392                               mnSttPage, maPaintedPreviewDocRect );
393     if ( mbCalcScaleForPreviewLayout )
394     {
395         SetSelectedPage( mnSttPage );
396         mbCalcScaleForPreviewLayout = false;
397     }
398     SetPagePreview(mnRow, mnCol);
399     maScale = GetMapMode().GetScaleX();
400 }
401 
402 OUString SwPagePreviewWin::GetStatusStr( sal_uInt16 nPageCnt ) const
403 {
404     // show physical and virtual page number of
405     // selected page, if it's visible.
406     const sal_uInt16 nPageNum = mpPgPreviewLayout->IsPageVisible( mpPgPreviewLayout->SelectedPage() )
407         ? mpPgPreviewLayout->SelectedPage() : std::max<sal_uInt16>(mnSttPage, 1);
408 
409     OUStringBuffer aStatusStr;
410     const sal_uInt16 nVirtPageNum = mpPgPreviewLayout->GetVirtPageNumByPageNum( nPageNum );
411     if( nVirtPageNum && nVirtPageNum != nPageNum )
412     {
413         aStatusStr.append( OUString::number(nVirtPageNum) + " " );
414     }
415     aStatusStr.append( OUString::number(nPageNum) + " / " + OUString::number(nPageCnt) );
416     return aStatusStr.makeStringAndClear();
417 }
418 
419 void  SwPagePreviewWin::KeyInput( const KeyEvent &rKEvt )
420 {
421     const vcl::KeyCode& rKeyCode = rKEvt.GetKeyCode();
422     bool bHandled = false;
423     if(!rKeyCode.GetModifier())
424     {
425         sal_uInt16 nSlot = 0;
426         switch(rKeyCode.GetCode())
427         {
428             case KEY_ADD : nSlot = SID_ZOOM_OUT;         break;
429             case KEY_ESCAPE: nSlot = FN_CLOSE_PAGEPREVIEW; break;
430             case KEY_SUBTRACT : nSlot = SID_ZOOM_IN;    break;
431         }
432         if(nSlot)
433         {
434             bHandled = true;
435             mrView.GetViewFrame()->GetDispatcher()->Execute(
436                                 nSlot, SfxCallMode::ASYNCHRON );
437         }
438     }
439     if( !bHandled && !mrView.KeyInput( rKEvt ) )
440         Window::KeyInput( rKEvt );
441 }
442 
443 void SwPagePreviewWin::Command( const CommandEvent& rCEvt )
444 {
445     bool bCallBase = true;
446     switch( rCEvt.GetCommand() )
447     {
448         case CommandEventId::ContextMenu:
449             SfxDispatcher::ExecutePopup();
450             bCallBase = false;
451         break;
452 
453         case CommandEventId::Wheel:
454         case CommandEventId::StartAutoScroll:
455         case CommandEventId::AutoScroll:
456         {
457             const CommandWheelData* pData = rCEvt.GetWheelData();
458             if( pData )
459             {
460                 const CommandWheelData aDataNew(pData->GetDelta(),pData->GetNotchDelta(),COMMAND_WHEEL_PAGESCROLL,
461                     pData->GetMode(),pData->GetModifier(),pData->IsHorz(), pData->IsDeltaPixel());
462                 const CommandEvent aEvent( rCEvt.GetMousePosPixel(),rCEvt.GetCommand(),rCEvt.IsMouseEvent(),&aDataNew);
463                     bCallBase = !mrView.HandleWheelCommands( aEvent );
464             }
465             else
466                 bCallBase = !mrView.HandleWheelCommands( rCEvt );
467        }
468        break;
469        default:
470            ;
471     }
472 
473     if( bCallBase )
474         Window::Command( rCEvt );
475 }
476 
477 void SwPagePreviewWin::MouseButtonDown( const MouseEvent& rMEvt )
478 {
479     // consider single-click to set selected page
480     if( MOUSE_LEFT == ( rMEvt.GetModifier() + rMEvt.GetButtons() ) )
481     {
482         Point aPreviewPos( PixelToLogic( rMEvt.GetPosPixel() ) );
483         Point aDocPos;
484         bool bPosInEmptyPage;
485         sal_uInt16 nNewSelectedPage;
486         bool bIsDocPos =
487             mpPgPreviewLayout->IsPreviewPosInDocPreviewPage( aPreviewPos,
488                                     aDocPos, bPosInEmptyPage, nNewSelectedPage );
489         if ( bIsDocPos && rMEvt.GetClicks() == 2 )
490         {
491             // close page preview, set new cursor position and switch to
492             // normal view.
493             OUString sNewCursorPos = OUString::number( aDocPos.X() ) + ";" +
494                                    OUString::number( aDocPos.Y() ) + ";";
495             mrView.SetNewCursorPos( sNewCursorPos );
496 
497             SfxViewFrame *pTmpFrame = mrView.GetViewFrame();
498             pTmpFrame->GetBindings().Execute( SID_VIEWSHELL0, nullptr,
499                                                     SfxCallMode::ASYNCHRON );
500         }
501         else if ( bIsDocPos || bPosInEmptyPage )
502         {
503             // show clicked page as the selected one
504             mpPgPreviewLayout->MarkNewSelectedPage( nNewSelectedPage );
505             GetViewShell()->ShowPreviewSelection( nNewSelectedPage );
506             // adjust position at vertical scrollbar.
507             if ( mpPgPreviewLayout->DoesPreviewLayoutRowsFitIntoWindow() )
508             {
509                 mrView.SetVScrollbarThumbPos( nNewSelectedPage );
510             }
511             // invalidate page status.
512             static sal_uInt16 aInval[] =
513             {
514                 FN_STAT_PAGE, 0
515             };
516             SfxBindings& rBindings = mrView.GetViewFrame()->GetBindings();
517             rBindings.Invalidate( aInval );
518         }
519     }
520 }
521 
522 // Set user prefs or view options
523 
524 void SwPagePreviewWin::SetPagePreview( sal_uInt8 nRow, sal_uInt8 nCol )
525 {
526     SwMasterUsrPref *pOpt = const_cast<SwMasterUsrPref *>(SW_MOD()->GetUsrPref(false));
527 
528     if (nRow != pOpt->GetPagePrevRow() || nCol != pOpt->GetPagePrevCol())
529     {
530         pOpt->SetPagePrevRow( nRow );
531         pOpt->SetPagePrevCol( nCol );
532         pOpt->SetModified();
533 
534         // Update scrollbar!
535         mrView.ScrollViewSzChg();
536     }
537 }
538 
539 /** get selected page in document preview */
540 sal_uInt16 SwPagePreviewWin::SelectedPage() const
541 {
542     return mpPgPreviewLayout->SelectedPage();
543 }
544 
545 /** set selected page number in document preview */
546 void SwPagePreviewWin::SetSelectedPage( sal_uInt16 _nSelectedPageNum )
547 {
548     mpPgPreviewLayout->SetSelectedPage( _nSelectedPageNum );
549 }
550 
551 /** method to enable/disable book preview */
552 bool SwPagePreviewWin::SetBookPreviewMode( const bool _bBookPreview )
553 {
554     return mpPgPreviewLayout->SetBookPreviewMode( _bBookPreview,
555                                                 mnSttPage,
556                                                 maPaintedPreviewDocRect );
557 }
558 
559 void SwPagePreviewWin::DataChanged( const DataChangedEvent& rDCEvt )
560 {
561     Window::DataChanged( rDCEvt );
562 
563     switch( rDCEvt.GetType() )
564     {
565     case DataChangedEventType::SETTINGS:
566         // Rearrange the scrollbars or trigger resize, because the
567         // size of the scrollbars may have be changed. Also the
568         // size of the scrollbars has to be retrieved from the settings
569         // out of the resize handler.
570         if( rDCEvt.GetFlags() & AllSettingsFlags::STYLE )
571             mrView.InvalidateBorder();              // Scrollbar widths
572         // zoom has to be disabled if Accessibility support is switched on
573         lcl_InvalidateZoomSlots(mrView.GetViewFrame()->GetBindings());
574         break;
575 
576     case DataChangedEventType::PRINTER:
577     case DataChangedEventType::DISPLAY:
578     case DataChangedEventType::FONTS:
579     case DataChangedEventType::FONTSUBSTITUTION:
580         mrView.GetDocShell()->UpdateFontList(); // Font change
581         mpViewShell->InvalidateLayout(true);
582         if ( mpViewShell->GetWin() )
583             mpViewShell->GetWin()->Invalidate();
584         break;
585     default: break;
586     }
587 }
588 
589 /** help method to execute SfxRequest FN_PAGEUP and FN_PAGEDOWN */
590 void SwPagePreview::ExecPgUpAndPgDown( const bool  _bPgUp,
591                                         SfxRequest* _pReq )
592 {
593     SwPagePreviewLayout* pPagePreviewLay = GetViewShell()->PagePreviewLayout();
594     // check, if top/bottom of preview is *not* already visible.
595     if( pPagePreviewLay->GetWinPagesScrollAmount( _bPgUp ? -1 : 1 ) != 0 )
596     {
597         if ( pPagePreviewLay->DoesPreviewLayoutRowsFitIntoWindow() &&
598              pPagePreviewLay->DoesPreviewLayoutColsFitIntoWindow() )
599         {
600             const int eMvMode = _bPgUp ?
601                                 SwPagePreviewWin::MV_PAGE_UP :
602                                 SwPagePreviewWin::MV_PAGE_DOWN;
603             if ( ChgPage( eMvMode ) )
604                 m_pViewWin->Invalidate();
605         }
606         else
607         {
608             SwTwips nScrollAmount;
609             sal_uInt16 nNewSelectedPageNum = 0;
610             const sal_uInt16 nVisPages = m_pViewWin->GetRow() * m_pViewWin->GetCol();
611             if( _bPgUp )
612             {
613                 if ( pPagePreviewLay->DoesPreviewLayoutRowsFitIntoWindow() )
614                 {
615                     nScrollAmount = pPagePreviewLay->GetWinPagesScrollAmount( -1 );
616                     if ( (m_pViewWin->SelectedPage() - nVisPages) > 0 )
617                         nNewSelectedPageNum = m_pViewWin->SelectedPage() - nVisPages;
618                     else
619                         nNewSelectedPageNum = 1;
620                 }
621                 else
622                     nScrollAmount = - std::min( m_pViewWin->GetOutputSize().Height(),
623                                            m_pViewWin->GetPaintedPreviewDocRect().Top() );
624             }
625             else
626             {
627                 if ( pPagePreviewLay->DoesPreviewLayoutRowsFitIntoWindow() )
628                 {
629                     nScrollAmount = pPagePreviewLay->GetWinPagesScrollAmount( 1 );
630                     if ( (m_pViewWin->SelectedPage() + nVisPages) <= mnPageCount )
631                         nNewSelectedPageNum = m_pViewWin->SelectedPage() + nVisPages;
632                     else
633                         nNewSelectedPageNum = mnPageCount;
634                 }
635                 else
636                     nScrollAmount = std::min( m_pViewWin->GetOutputSize().Height(),
637                                          ( pPagePreviewLay->GetPreviewDocSize().Height() -
638                                            m_pViewWin->GetPaintedPreviewDocRect().Bottom() ) );
639             }
640             m_pViewWin->Scroll( 0, nScrollAmount );
641             if ( nNewSelectedPageNum != 0 )
642             {
643                 m_pViewWin->SetSelectedPage( nNewSelectedPageNum );
644             }
645             ScrollViewSzChg();
646             // additional invalidate page status.
647             static sal_uInt16 aInval[] =
648             {
649                 FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, FN_PAGEUP, FN_PAGEDOWN,
650                 FN_STAT_PAGE, 0
651             };
652             SfxBindings& rBindings = GetViewFrame()->GetBindings();
653             rBindings.Invalidate( aInval );
654             m_pViewWin->Invalidate();
655         }
656     }
657 
658     if ( _pReq )
659         _pReq->Done();
660 }
661 
662 // Then all for the SwPagePreview
663 void  SwPagePreview::Execute( SfxRequest &rReq )
664 {
665     int eMvMode;
666     sal_uInt8 nRow = 1;
667     bool bRetVal = false;
668     bool bRefresh = true;
669 
670     switch(rReq.GetSlot())
671     {
672         case FN_REFRESH_VIEW:
673         case FN_STAT_PAGE:
674         case FN_STAT_ZOOM:
675             break;
676 
677         case FN_SHOW_MULTIPLE_PAGES:
678         {
679             const SfxItemSet *pArgs = rReq.GetArgs();
680             if( pArgs && pArgs->Count() >= 2 )
681             {
682                 sal_uInt8 nCols = static_cast<sal_uInt8>(pArgs->Get(SID_ATTR_TABLE_COLUMN).GetValue());
683                 sal_uInt8 nRows = static_cast<sal_uInt8>(pArgs->Get(SID_ATTR_TABLE_ROW).GetValue());
684                 m_pViewWin->CalcWish( nRows, nCols );
685 
686             }
687             else
688             {
689                 SwPreviewZoomDlg aDlg(*m_pViewWin);
690                 aDlg.execute();
691             }
692         }
693         break;
694         case FN_SHOW_BOOKVIEW:
695         {
696             const SfxItemSet* pArgs = rReq.GetArgs();
697             const SfxPoolItem* pItem;
698             bool bBookPreview = GetViewShell()->GetViewOptions()->IsPagePrevBookview();
699             if( pArgs && SfxItemState::SET == pArgs->GetItemState( FN_SHOW_BOOKVIEW, false, &pItem ) )
700             {
701                 bBookPreview = static_cast< const SfxBoolItem* >( pItem )->GetValue();
702                 const_cast<SwViewOption*>(GetViewShell()->GetViewOptions())->SetPagePrevBookview( bBookPreview );
703                     // cast is not gentleman like, but it's common use in writer and in this case
704             }
705             if ( m_pViewWin->SetBookPreviewMode( bBookPreview ) )
706             {
707                 // book preview mode changed. Thus, adjust scrollbars and
708                 // invalidate corresponding states.
709                 ScrollViewSzChg();
710                 static sal_uInt16 aInval[] =
711                 {
712                     FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, FN_PAGEUP, FN_PAGEDOWN,
713                     FN_STAT_PAGE, FN_SHOW_BOOKVIEW, 0
714                 };
715                 SfxBindings& rBindings = GetViewFrame()->GetBindings();
716                 rBindings.Invalidate( aInval );
717                 m_pViewWin->Invalidate();
718             }
719 
720         }
721         break;
722         case FN_SHOW_TWO_PAGES:
723             m_pViewWin->CalcWish( nRow, 2 );
724             break;
725 
726         case FN_SHOW_SINGLE_PAGE:
727             m_pViewWin->CalcWish( nRow, 1 );
728             break;
729 
730         case FN_PREVIEW_ZOOM:
731         case SID_ATTR_ZOOM:
732         {
733             const SfxItemSet *pArgs = rReq.GetArgs();
734             const SfxPoolItem* pItem;
735             ScopedVclPtr<AbstractSvxZoomDialog> pDlg;
736             if(!pArgs)
737             {
738                 SfxItemSet aCoreSet(GetPool(), svl::Items<SID_ATTR_ZOOM, SID_ATTR_ZOOM>{});
739                 const SwViewOption* pVOpt = GetViewShell()->GetViewOptions();
740                 SvxZoomItem aZoom( pVOpt->GetZoomType(), pVOpt->GetZoom() );
741                 aZoom.SetValueSet(
742                         SvxZoomEnableFlags::N50|
743                         SvxZoomEnableFlags::N75|
744                         SvxZoomEnableFlags::N100|
745                         SvxZoomEnableFlags::N150|
746                         SvxZoomEnableFlags::N200|
747                         SvxZoomEnableFlags::WHOLEPAGE);
748                 aCoreSet.Put( aZoom );
749 
750                 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
751                 pDlg.disposeAndReset(pFact->CreateSvxZoomDialog(GetViewFrame()->GetWindow().GetFrameWeld(), aCoreSet));
752                 pDlg->SetLimits( MINZOOM, MAXZOOM );
753 
754                 if( pDlg->Execute() != RET_CANCEL )
755                     pArgs = pDlg->GetOutputItemSet();
756             }
757             if( pArgs )
758             {
759                 SvxZoomType eType = SvxZoomType::PERCENT;
760                 sal_uInt16 nZoomFactor = USHRT_MAX;
761                 if(SfxItemState::SET == pArgs->GetItemState(SID_ATTR_ZOOM, true, &pItem))
762                 {
763                     eType = static_cast<const SvxZoomItem *>(pItem)->GetType();
764                     nZoomFactor = static_cast<const SvxZoomItem *>(pItem)->GetValue();
765                 }
766                 else if(SfxItemState::SET == pArgs->GetItemState(FN_PREVIEW_ZOOM, true, &pItem))
767                     nZoomFactor = static_cast<const SfxUInt16Item *>(pItem)->GetValue();
768                 if(USHRT_MAX != nZoomFactor)
769                     SetZoom(eType, nZoomFactor);
770             }
771         }
772         break;
773         case SID_ATTR_ZOOMSLIDER :
774         {
775             const SfxItemSet *pArgs = rReq.GetArgs();
776             const SfxPoolItem* pItem;
777 
778             if ( pArgs && SfxItemState::SET == pArgs->GetItemState(SID_ATTR_ZOOMSLIDER, true, &pItem ) )
779             {
780                 const sal_uInt16 nCurrentZoom = static_cast<const SvxZoomSliderItem *>(pItem)->GetValue();
781                 SetZoom( SvxZoomType::PERCENT, nCurrentZoom );
782             }
783         }
784         break;
785         case SID_ZOOM_IN:
786         case SID_ZOOM_OUT:
787         {
788             const SwViewOption* pVOpt = GetViewShell()->GetViewOptions();
789             SetZoom(SvxZoomType::PERCENT,
790                     lcl_GetNextZoomStep(pVOpt->GetZoom(), SID_ZOOM_IN == rReq.GetSlot()));
791         }
792         break;
793         case FN_CHAR_LEFT:
794         case FN_CHAR_RIGHT:
795         case FN_LINE_UP:
796         case FN_LINE_DOWN:
797         {
798             SwPagePreviewLayout* pPagePreviewLay = GetViewShell()->PagePreviewLayout();
799             sal_uInt16 nNewSelectedPage;
800             sal_uInt16 nNewStartPage;
801             Point aNewStartPos;
802             sal_Int16 nHoriMove = 0;
803             sal_Int16 nVertMove = 0;
804             switch(rReq.GetSlot())
805             {
806                 case FN_CHAR_LEFT:  nHoriMove = -1; break;
807                 case FN_CHAR_RIGHT: nHoriMove = 1;  break;
808                 case FN_LINE_UP:    nVertMove = -1; break;
809                 case FN_LINE_DOWN:  nVertMove = 1;  break;
810             }
811             pPagePreviewLay->CalcStartValuesForSelectedPageMove( nHoriMove, nVertMove,
812                                 nNewSelectedPage, nNewStartPage, aNewStartPos );
813             if ( m_pViewWin->SelectedPage() != nNewSelectedPage )
814             {
815                 if ( pPagePreviewLay->IsPageVisible( nNewSelectedPage ) )
816                 {
817                     pPagePreviewLay->MarkNewSelectedPage( nNewSelectedPage );
818                     // adjust position at vertical scrollbar.
819                     SetVScrollbarThumbPos( nNewSelectedPage );
820                     bRefresh = false;
821                 }
822                 else
823                 {
824                     m_pViewWin->SetSelectedPage( nNewSelectedPage );
825                     m_pViewWin->SetSttPage( nNewStartPage );
826                     bRefresh = ChgPage( SwPagePreviewWin::MV_SELPAGE );
827                 }
828                 GetViewShell()->ShowPreviewSelection( nNewSelectedPage );
829                 // invalidate page status.
830                 static sal_uInt16 aInval[] =
831                 {
832                     FN_STAT_PAGE, 0
833                 };
834                 SfxBindings& rBindings = GetViewFrame()->GetBindings();
835                 rBindings.Invalidate( aInval );
836                 rReq.Done();
837             }
838             else
839             {
840                 bRefresh = false;
841             }
842             break;
843         }
844         case FN_PAGEUP:
845         case FN_PAGEDOWN:
846         {
847             ExecPgUpAndPgDown( rReq.GetSlot() == FN_PAGEUP, &rReq );
848             break;
849         }
850         case SID_JUMP_TO_SPECIFIC_PAGE:
851         {
852             sal_uInt16 nPageNum = 1;
853             const SfxItemSet *pArgs = rReq.GetArgs();
854             if( pArgs && pArgs->Count())
855             {
856                 nPageNum = static_cast<const SfxUInt16Item &>(pArgs->Get(SID_JUMP_TO_SPECIFIC_PAGE)).GetValue();
857 
858                 if( nPageNum > 0 && nPageNum <= mnPageCount )
859                 {
860                     m_pViewWin->SetSttPage( nPageNum);
861                     m_pViewWin->SetSelectedPage( nPageNum );
862                     ChgPage( SwPagePreviewWin::MV_SPECIFIC_PAGE, false );
863                     ScrollViewSzChg();
864                 }
865             }
866         }
867         break;
868         case FN_START_OF_LINE:
869         case FN_START_OF_DOCUMENT:
870             m_pViewWin->SetSelectedPage( 1 );
871             eMvMode = SwPagePreviewWin::MV_DOC_STT; bRetVal = true; goto MOVEPAGE;
872         case FN_END_OF_LINE:
873         case FN_END_OF_DOCUMENT:
874             m_pViewWin->SetSelectedPage( mnPageCount );
875             eMvMode = SwPagePreviewWin::MV_DOC_END; bRetVal = true; goto MOVEPAGE;
876 MOVEPAGE:
877             {
878                 bool bRet = ChgPage( eMvMode );
879                 // return value for Basic
880                 if(bRetVal)
881                     rReq.SetReturnValue(SfxBoolItem(rReq.GetSlot(), !bRet));
882 
883                 bRefresh = bRet;
884                 rReq.Done();
885             }
886             break;
887 
888         case FN_PRINT_PAGEPREVIEW:
889         {
890             const SwPagePreviewPrtData* pPPVPD = m_pViewWin->GetViewShell()->GetDoc()->GetPreviewPrtData();
891             // The thing with the orientation
892             if(pPPVPD)
893             {
894                 SfxPrinter* pPrinter = GetPrinter( true );
895                 if((pPrinter->GetOrientation() == Orientation::Landscape)
896                         != pPPVPD->GetLandscape())
897                     pPrinter->SetOrientation(pPPVPD->GetLandscape() ? Orientation::Landscape : Orientation::Portrait);
898             }
899             ::SetAppPrintOptions( m_pViewWin->GetViewShell(), false );
900             m_bNormalPrint = false;
901             rReq.SetSlot( SID_PRINTDOC );
902             SfxViewShell::ExecuteSlot( rReq, SfxViewShell::GetInterface() );
903             rReq.SetSlot( FN_PRINT_PAGEPREVIEW );
904             return;
905         }
906         case SID_PRINTDOCDIRECT:
907         case SID_PRINTDOC:
908             ::SetAppPrintOptions( m_pViewWin->GetViewShell(), false );
909             m_bNormalPrint = true;
910             SfxViewShell::ExecuteSlot( rReq, SfxViewShell::GetInterface() );
911             return;
912         case FN_CLOSE_PAGEPREVIEW:
913         case SID_PRINTPREVIEW:
914             //  print preview is now always in the same frame as the tab view
915             //  -> always switch this frame back to normal view
916             //  (ScTabViewShell ctor reads stored view data)
917             GetViewFrame()->GetDispatcher()->Execute( SID_VIEWSHELL0, SfxCallMode::ASYNCHRON );
918             break;
919         case FN_INSERT_BREAK:
920         {
921             sal_uInt16 nSelPage = m_pViewWin->SelectedPage();
922             //if a dummy page is selected (e.g. a non-existing right/left page)
923             //the direct neighbor is used
924             if(GetViewShell()->IsDummyPage( nSelPage ) && GetViewShell()->IsDummyPage( --nSelPage ))
925                 nSelPage +=2;
926             m_nNewPage = nSelPage;
927             SfxViewFrame *pTmpFrame = GetViewFrame();
928             pTmpFrame->GetBindings().Execute( SID_VIEWSHELL0, nullptr,
929                                                     SfxCallMode::ASYNCHRON );
930         }
931         break;
932         default:
933             OSL_ENSURE(false, "wrong dispatcher");
934             return;
935     }
936 
937     if( bRefresh )
938         m_pViewWin->Invalidate();
939 }
940 
941 void  SwPagePreview::GetState( SfxItemSet& rSet )
942 {
943     SfxWhichIter aIter(rSet);
944     sal_uInt16 nWhich = aIter.FirstWhich();
945     OSL_ENSURE(nWhich, "empty set");
946     SwPagePreviewLayout* pPagePreviewLay = GetViewShell()->PagePreviewLayout();
947 
948     while(nWhich)
949     {
950         switch(nWhich)
951         {
952         case SID_BROWSER_MODE:
953         case FN_PRINT_LAYOUT:
954             rSet.DisableItem(nWhich);
955             break;
956         case FN_START_OF_DOCUMENT:
957         {
958             if ( pPagePreviewLay->IsPageVisible( 1 ) )
959                 rSet.DisableItem(nWhich);
960             break;
961         }
962         case FN_END_OF_DOCUMENT:
963         {
964             if ( pPagePreviewLay->IsPageVisible( mnPageCount ) )
965                 rSet.DisableItem(nWhich);
966             break;
967         }
968         case FN_PAGEUP:
969         {
970             if( pPagePreviewLay->GetWinPagesScrollAmount( -1 ) == 0 )
971                 rSet.DisableItem(nWhich);
972             break;
973         }
974         case FN_PAGEDOWN:
975         {
976             if( pPagePreviewLay->GetWinPagesScrollAmount( 1 ) == 0 )
977                 rSet.DisableItem(nWhich);
978             break;
979         }
980 
981         case FN_STAT_PAGE:
982             {
983                 OUString aStr = m_sPageStr + m_pViewWin->GetStatusStr( mnPageCount );
984                 rSet.Put( SfxStringItem( nWhich, aStr) );
985             }
986             break;
987 
988         case SID_ATTR_ZOOM:
989         case FN_STAT_ZOOM:
990             {
991                     const SwViewOption* pVOpt = GetViewShell()->GetViewOptions();
992                     SvxZoomItem aZoom(pVOpt->GetZoomType(), pVOpt->GetZoom());
993                     aZoom.SetValueSet(
994                             SvxZoomEnableFlags::N50|
995                             SvxZoomEnableFlags::N75|
996                             SvxZoomEnableFlags::N100|
997                             SvxZoomEnableFlags::N150|
998                             SvxZoomEnableFlags::N200);
999                     rSet.Put( aZoom );
1000             }
1001         break;
1002         case SID_ATTR_ZOOMSLIDER :
1003             {
1004                     const SwViewOption* pVOpt = GetViewShell()->GetViewOptions();
1005                     const sal_uInt16 nCurrentZoom = pVOpt->GetZoom();
1006                     SvxZoomSliderItem aZoomSliderItem( nCurrentZoom, MINZOOM, MAXZOOM );
1007                     aZoomSliderItem.AddSnappingPoint( 100 );
1008                     rSet.Put( aZoomSliderItem );
1009             }
1010         break;
1011         case FN_PREVIEW_ZOOM:
1012         {
1013                 const SwViewOption* pVOpt = GetViewShell()->GetViewOptions();
1014                 rSet.Put(SfxUInt16Item(nWhich, pVOpt->GetZoom()));
1015         }
1016         break;
1017         case SID_ZOOM_IN:
1018         case SID_ZOOM_OUT:
1019         {
1020             const SwViewOption* pVOpt = GetViewShell()->GetViewOptions();
1021             if((SID_ZOOM_OUT == nWhich && pVOpt->GetZoom() >= MAX_PREVIEW_ZOOM)||
1022               (SID_ZOOM_IN == nWhich && pVOpt->GetZoom() <= MIN_PREVIEW_ZOOM))
1023             {
1024                 rSet.DisableItem(nWhich);
1025             }
1026         }
1027         break;
1028         case FN_SHOW_MULTIPLE_PAGES:
1029         // should never be disabled
1030         break;
1031         case FN_SHOW_BOOKVIEW:
1032         {
1033             bool b = GetViewShell()->GetViewOptions()->IsPagePrevBookview();
1034             rSet.Put(SfxBoolItem(nWhich, b));
1035         }
1036         break;
1037 
1038         case FN_SHOW_TWO_PAGES:
1039             if( 2 == m_pViewWin->GetCol() && 1 == m_pViewWin->GetRow() )
1040                 rSet.DisableItem( nWhich );
1041             break;
1042 
1043         case FN_PRINT_PAGEPREVIEW:
1044             // has the same status like the normal printing
1045             {
1046                 const SfxPoolItem* pItem;
1047                 SfxItemSet aSet( *rSet.GetPool(), svl::Items<SID_PRINTDOC, SID_PRINTDOC>{} );
1048                 GetSlotState( SID_PRINTDOC, SfxViewShell::GetInterface(), &aSet );
1049                 if( SfxItemState::DISABLED == aSet.GetItemState( SID_PRINTDOC,
1050                         false, &pItem ))
1051                     rSet.DisableItem( nWhich );
1052                 else if( SfxItemState::SET == aSet.GetItemState( SID_PRINTDOC,
1053                         false, &pItem ))
1054                 {
1055                     const_cast<SfxPoolItem*>(pItem)->SetWhich( FN_PRINT_PAGEPREVIEW );
1056                     rSet.Put( *pItem );
1057                 }
1058             }
1059             break;
1060 
1061         case SID_PRINTPREVIEW:
1062             rSet.Put( SfxBoolItem( nWhich, true ) );
1063             break;
1064 
1065         case SID_PRINTDOC:
1066         case SID_PRINTDOCDIRECT:
1067             GetSlotState( nWhich, SfxViewShell::GetInterface(), &rSet );
1068             break;
1069         }
1070         nWhich = aIter.NextWhich();
1071     }
1072 }
1073 
1074 void  SwPagePreview::StateUndo(SfxItemSet& rSet)
1075 {
1076     SfxWhichIter aIter(rSet);
1077     sal_uInt16 nWhich = aIter.FirstWhich();
1078 
1079     while (nWhich)
1080     {
1081         rSet.DisableItem(nWhich);
1082         nWhich = aIter.NextWhich();
1083     }
1084 }
1085 
1086 void SwPagePreview::Init()
1087 {
1088     if ( GetViewShell()->HasDrawView() )
1089         GetViewShell()->GetDrawView()->SetAnimationEnabled( false );
1090 
1091     m_bNormalPrint = true;
1092 
1093     // Check and process the DocSize. The shell could not be found via
1094     // the handler, because the shell is unknown to the SFX management
1095     // within the CTOR phase.
1096 
1097     const SwViewOption * pPrefs = SW_MOD()->GetUsrPref(false);
1098 
1099     mbHScrollbarEnabled = pPrefs->IsViewHScrollBar();
1100     mbVScrollbarEnabled = pPrefs->IsViewVScrollBar();
1101 
1102     // Update the fields
1103     // ATTENTION: Do cast the EditShell up, to use the SS.
1104     //            At the methods the current shell will be queried!
1105     SwEditShell* pESh = dynamic_cast<SwEditShell*>(GetViewShell());
1106     bool bIsModified = pESh != nullptr && pESh->IsModified();
1107 
1108     SwViewOption aOpt( *pPrefs );
1109     aOpt.SetPagePreview(true);
1110     aOpt.SetTab( false );
1111     aOpt.SetBlank( false );
1112     aOpt.SetHardBlank( false );
1113     aOpt.SetParagraph( false );
1114     aOpt.SetLineBreak( false );
1115     aOpt.SetPageBreak( false );
1116     aOpt.SetColumnBreak( false );
1117     aOpt.SetSoftHyph( false );
1118     aOpt.SetFieldName( false );
1119     aOpt.SetPostIts( false );
1120     aOpt.SetShowHiddenChar( false );
1121     aOpt.SetShowHiddenField( false );
1122     aOpt.SetShowHiddenPara( false );
1123     aOpt.SetViewHRuler( false );
1124     aOpt.SetViewVRuler( false );
1125     aOpt.SetGraphic( true );
1126     aOpt.SetTable( true );
1127     aOpt.SetSnap( false );
1128     aOpt.SetGridVisible( false );
1129     aOpt.SetOnlineSpell( false );
1130     aOpt.SetHideWhitespaceMode( false );
1131 
1132     GetViewShell()->ApplyViewOptions( aOpt );
1133     GetViewShell()->ApplyAccessiblityOptions(SW_MOD()->GetAccessibilityOptions());
1134 
1135     // adjust view shell option to the same as for print
1136     SwPrintData const aPrintOptions = *SW_MOD()->GetPrtOptions(false);
1137     GetViewShell()->AdjustOptionsForPagePreview( aPrintOptions );
1138 
1139     GetViewShell()->CalcLayout();
1140     DocSzChgd( GetViewShell()->GetDocSize() );
1141 
1142     if( !bIsModified && pESh != nullptr )
1143         pESh->ResetModified();
1144 }
1145 
1146 SwPagePreview::SwPagePreview(SfxViewFrame *pViewFrame, SfxViewShell* pOldSh):
1147     SfxViewShell( pViewFrame, SWVIEWFLAGS ),
1148     m_pViewWin( VclPtr<SwPagePreviewWin>::Create(&GetViewFrame()->GetWindow(), *this ) ),
1149     m_nNewPage(USHRT_MAX),
1150     m_sPageStr(SwResId(STR_PAGE)),
1151     m_pHScrollbar(nullptr),
1152     m_pVScrollbar(nullptr),
1153     m_pScrollFill(VclPtr<ScrollBarBox>::Create( &pViewFrame->GetWindow(), WB_SIZEABLE )),
1154     mnPageCount( 0 ),
1155     mbResetFormDesignMode( false ),
1156     mbFormDesignModeToReset( false )
1157 {
1158     SetName("PageView");
1159     SetWindow( m_pViewWin );
1160     CreateScrollbar( true );
1161     CreateScrollbar( false );
1162 
1163     //notify notebookbar change in context
1164     SfxShell::SetContextBroadcasterEnabled(true);
1165     SfxShell::SetContextName(vcl::EnumContext::GetContextName(vcl::EnumContext::Context::Printpreview));
1166     SfxShell::BroadcastContextForActivation(true);
1167     //removelisteners for notebookbar
1168     if (auto& pBar = SfxViewFrame::Current()->GetWindow().GetSystemWindow()->GetNotebookBar())
1169         pBar->ControlListener(true);
1170 
1171     SfxObjectShell* pObjShell = pViewFrame->GetObjectShell();
1172     if ( !pOldSh )
1173     {
1174         // Exists already a view on the document?
1175         SfxViewFrame *pF = SfxViewFrame::GetFirst( pObjShell );
1176         if ( pF == pViewFrame )
1177             pF = SfxViewFrame::GetNext( *pF, pObjShell );
1178         if ( pF )
1179             pOldSh = pF->GetViewShell();
1180     }
1181 
1182     SwViewShell *pVS, *pNew;
1183 
1184     if (SwPagePreview* pPagePreview = dynamic_cast<SwPagePreview*>(pOldSh))
1185         pVS = pPagePreview->GetViewShell();
1186     else
1187     {
1188         if (SwView* pView = dynamic_cast<SwView *>(pOldSh))
1189         {
1190             pVS = pView->GetWrtShellPtr();
1191             // save the current ViewData of the previous SwView
1192             pOldSh->WriteUserData( m_sSwViewData );
1193         }
1194         else
1195             pVS = GetDocShell()->GetWrtShell();
1196         if( pVS )
1197         {
1198             // Set the current page as the first.
1199             sal_uInt16 nPhysPg, nVirtPg;
1200             static_cast<SwCursorShell*>(pVS)->GetPageNum( nPhysPg, nVirtPg, true, false );
1201             if( 1 != m_pViewWin->GetCol() && 1 == nPhysPg )
1202                 --nPhysPg;
1203             m_pViewWin->SetSttPage( nPhysPg );
1204         }
1205     }
1206 
1207     // for form shell remember design mode of draw view
1208     // of previous view shell
1209     if ( pVS && pVS->HasDrawView() )
1210     {
1211         mbResetFormDesignMode = true;
1212         mbFormDesignModeToReset = pVS->GetDrawView()->IsDesignMode();
1213     }
1214 
1215     if( pVS )
1216         pNew = new SwViewShell( *pVS, m_pViewWin, nullptr, VSHELLFLAG_ISPREVIEW );
1217     else
1218         pNew = new SwViewShell(
1219                 *static_cast<SwDocShell*>(pViewFrame->GetObjectShell())->GetDoc(),
1220                 m_pViewWin, nullptr, nullptr, VSHELLFLAG_ISPREVIEW );
1221 
1222     m_pViewWin->SetViewShell( pNew );
1223     pNew->SetSfxViewShell( this );
1224     Init();
1225 }
1226 
1227 SwPagePreview::~SwPagePreview()
1228 {
1229     SetWindow( nullptr );
1230     SwViewShell* pVShell =  m_pViewWin->GetViewShell();
1231     pVShell->SetWin(nullptr);
1232     delete pVShell;
1233 
1234     m_pViewWin.disposeAndClear();
1235     if (SfxViewFrame* pCurrent = SfxViewFrame::Current())
1236         if (auto& pBar = pCurrent->GetWindow().GetSystemWindow()->GetNotebookBar())
1237             pBar->ControlListener(false);
1238     m_pScrollFill.disposeAndClear();
1239     m_pHScrollbar.disposeAndClear();
1240     m_pVScrollbar.disposeAndClear();
1241 }
1242 
1243 SwDocShell* SwPagePreview::GetDocShell()
1244 {
1245     return dynamic_cast<SwDocShell*>( GetViewFrame()->GetObjectShell() );
1246 }
1247 
1248 void SwPagePreview::CreateScrollbar( bool bHori )
1249 {
1250     vcl::Window *pMDI = &GetViewFrame()->GetWindow();
1251     VclPtr<SwScrollbar>& ppScrollbar = bHori ? m_pHScrollbar : m_pVScrollbar;
1252 
1253     assert(!ppScrollbar.get()); //check beforehand!
1254 
1255     ppScrollbar = VclPtr<SwScrollbar>::Create( pMDI, bHori );
1256 
1257     ScrollDocSzChg();
1258     ppScrollbar->EnableDrag();
1259     ppScrollbar->SetEndScrollHdl( LINK( this, SwPagePreview, EndScrollHdl ));
1260 
1261     ppScrollbar->SetScrollHdl( LINK( this, SwPagePreview, ScrollHdl ));
1262 
1263     InvalidateBorder();
1264     ppScrollbar->ExtendedShow();
1265 }
1266 
1267 bool SwPagePreview::ChgPage( int eMvMode, bool bUpdateScrollbar )
1268 {
1269     tools::Rectangle aPixVisArea( m_pViewWin->LogicToPixel( m_aVisArea ) );
1270     bool bChg = m_pViewWin->MovePage( eMvMode ) ||
1271                eMvMode == SwPagePreviewWin::MV_CALC ||
1272                eMvMode == SwPagePreviewWin::MV_NEWWINSIZE;
1273     m_aVisArea = m_pViewWin->PixelToLogic( aPixVisArea );
1274 
1275     if( bChg )
1276     {
1277         // Update statusbar
1278         OUString aStr = m_sPageStr + m_pViewWin->GetStatusStr( mnPageCount );
1279         SfxBindings& rBindings = GetViewFrame()->GetBindings();
1280 
1281         if( bUpdateScrollbar )
1282         {
1283             ScrollViewSzChg();
1284 
1285             static sal_uInt16 aInval[] =
1286             {
1287                 FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT,
1288                 FN_PAGEUP, FN_PAGEDOWN, 0
1289             };
1290             rBindings.Invalidate( aInval );
1291         }
1292         rBindings.SetState( SfxStringItem( FN_STAT_PAGE, aStr ) );
1293     }
1294     return bChg;
1295 }
1296 
1297 // From here, everything was taken from the SwView.
1298 void SwPagePreview::CalcAndSetBorderPixel( SvBorder &rToFill )
1299 {
1300     const StyleSettings &rSet = m_pViewWin->GetSettings().GetStyleSettings();
1301     const long nTmp = rSet.GetScrollBarSize();
1302     if ( m_pVScrollbar->IsVisible( true ) )
1303         rToFill.Right()  = nTmp;
1304     if ( m_pHScrollbar->IsVisible( true ) )
1305         rToFill.Bottom() = nTmp;
1306     SetBorderPixel( rToFill );
1307 }
1308 
1309 void  SwPagePreview::InnerResizePixel( const Point &rOfst, const Size &rSize, bool )
1310 {
1311     SvBorder aBorder;
1312     CalcAndSetBorderPixel( aBorder );
1313     tools::Rectangle aRect( rOfst, rSize );
1314     aRect += aBorder;
1315     ViewResizePixel( *m_pViewWin, aRect.TopLeft(), aRect.GetSize(),
1316                     m_pViewWin->GetOutputSizePixel(),
1317                     *m_pVScrollbar, *m_pHScrollbar, *m_pScrollFill );
1318 
1319     // Never set EditWin !
1320     // Never set VisArea !
1321 }
1322 
1323 void SwPagePreview::OuterResizePixel( const Point &rOfst, const Size &rSize )
1324 {
1325     SvBorder aBorder;
1326     CalcAndSetBorderPixel( aBorder );
1327 
1328     // Never set EditWin !
1329 
1330     Size aTmpSize( m_pViewWin->GetOutputSizePixel() );
1331     Point aBottomRight( m_pViewWin->PixelToLogic( Point( aTmpSize.Width(), aTmpSize.Height() ) ) );
1332     SetVisArea( tools::Rectangle( Point(), aBottomRight ) );
1333 
1334     // Call of the DocSzChgd-Method of the scrollbars is necessary,
1335     // because from the maximum scroll range half the height of the
1336     // VisArea is always deducted.
1337     if ( m_pVScrollbar && aTmpSize.Width() > 0 && aTmpSize.Height() > 0 )
1338     {
1339         ScrollDocSzChg();
1340     }
1341 
1342     SvBorder aBorderNew;
1343     CalcAndSetBorderPixel( aBorderNew );
1344     ViewResizePixel( *m_pViewWin, rOfst, rSize, m_pViewWin->GetOutputSizePixel(),
1345                     *m_pVScrollbar, *m_pHScrollbar, *m_pScrollFill );
1346 }
1347 
1348 void SwPagePreview::SetVisArea( const tools::Rectangle &rRect )
1349 {
1350     const Point aTopLeft(AlignToPixel(rRect.TopLeft()));
1351     const Point aBottomRight(AlignToPixel(rRect.BottomRight()));
1352     tools::Rectangle aLR(aTopLeft,aBottomRight);
1353 
1354     if(aLR == m_aVisArea)
1355         return;
1356         // No negative position, no negative size
1357 
1358     if(aLR.Top() < 0)
1359     {
1360         aLR.AdjustBottom(std::abs(aLR.Top()) );
1361         aLR.SetTop( 0 );
1362     }
1363 
1364     if(aLR.Left() < 0)
1365     {
1366         aLR.AdjustRight(std::abs(aLR.Left()) );
1367         aLR.SetLeft( 0 );
1368     }
1369     if(aLR.Right() < 0) aLR.SetRight( 0 );
1370     if(aLR.Bottom() < 0) aLR.SetBottom( 0 );
1371     if(aLR == m_aVisArea ||
1372         // Ignore empty rectangle
1373         ( 0 == aLR.Bottom() - aLR.Top() && 0 == aLR.Right() - aLR.Left() ) )
1374         return;
1375 
1376     if( aLR.Left() > aLR.Right() || aLR.Top() > aLR.Bottom() )
1377         return;
1378 
1379     // Before the data can be changed call an update if necessary.
1380     // Thereby ensured, that adjacent paints are correctly converted into
1381     // document coordinates.
1382     // As a precaution, we do this only when at the shell runs an action,
1383     // because then we do not really paint but the rectangles are just
1384     // bookmarked (in document coordinates).
1385     if( GetViewShell()->ActionPend() )
1386         m_pViewWin->Update();
1387 
1388     // Set at View-Win the current size
1389     m_aVisArea = aLR;
1390     m_pViewWin->SetWinSize( aLR.GetSize() );
1391     ChgPage( SwPagePreviewWin::MV_NEWWINSIZE );
1392 
1393     m_pViewWin->Invalidate();
1394 }
1395 
1396 IMPL_LINK( SwPagePreview, ScrollHdl, ScrollBar *, p, void )
1397 {
1398     SwScrollbar* pScrollbar = static_cast<SwScrollbar*>(p);
1399     if(!GetViewShell())
1400         return;
1401     if( !pScrollbar->IsHoriScroll() &&
1402         pScrollbar->GetType() == ScrollType::Drag &&
1403         Help::IsQuickHelpEnabled() &&
1404         GetViewShell()->PagePreviewLayout()->DoesPreviewLayoutRowsFitIntoWindow())
1405     {
1406         // Scroll how many pages??
1407         OUString sStateStr(m_sPageStr);
1408         long nThmbPos = pScrollbar->GetThumbPos();
1409         if( 1 == m_pViewWin->GetCol() || !nThmbPos )
1410             ++nThmbPos;
1411         sStateStr += OUString::number( nThmbPos );
1412         Point aPos = pScrollbar->GetParent()->OutputToScreenPixel(
1413                                         pScrollbar->GetPosPixel());
1414         aPos.setY( pScrollbar->OutputToScreenPixel(pScrollbar->GetPointerPosPixel()).Y() );
1415         tools::Rectangle aRect;
1416         aRect.SetLeft( aPos.X() -8 );
1417         aRect.SetRight( aRect.Left() );
1418         aRect.SetTop( aPos.Y() );
1419         aRect.SetBottom( aRect.Top() );
1420 
1421         Help::ShowQuickHelp(pScrollbar, aRect, sStateStr,
1422                 QuickHelpFlags::Right|QuickHelpFlags::VCenter);
1423 
1424     }
1425     else
1426         EndScrollHdl( pScrollbar );
1427 }
1428 
1429 IMPL_LINK( SwPagePreview, EndScrollHdl, ScrollBar *, p, void )
1430 {
1431     SwScrollbar* pScrollbar = static_cast<SwScrollbar*>(p);
1432     if(!GetViewShell())
1433         return;
1434 
1435     // boolean to avoid unnecessary invalidation of the window.
1436     bool bInvalidateWin = true;
1437 
1438     if( !pScrollbar->IsHoriScroll() )       // scroll vertically
1439     {
1440         if ( Help::IsQuickHelpEnabled() )
1441             Help::ShowQuickHelp(pScrollbar, tools::Rectangle(), OUString());
1442         if ( GetViewShell()->PagePreviewLayout()->DoesPreviewLayoutRowsFitIntoWindow() )
1443         {
1444             // Scroll how many pages ??
1445             const sal_uInt16 nThmbPos = static_cast<sal_uInt16>(pScrollbar->GetThumbPos());
1446             // adjust to new preview functionality
1447             if( nThmbPos != m_pViewWin->SelectedPage() )
1448             {
1449                 // consider case that page <nThmbPos>
1450                 // is already visible
1451                 SwPagePreviewLayout* pPagePreviewLay = GetViewShell()->PagePreviewLayout();
1452                 if ( pPagePreviewLay->IsPageVisible( nThmbPos ) )
1453                 {
1454                     pPagePreviewLay->MarkNewSelectedPage( nThmbPos );
1455                     // invalidation of window is unnecessary
1456                     bInvalidateWin = false;
1457                 }
1458                 else
1459                 {
1460                     // consider whether layout columns
1461                     // fit or not.
1462                     if ( !pPagePreviewLay->DoesPreviewLayoutColsFitIntoWindow() )
1463                     {
1464                         m_pViewWin->SetSttPage( nThmbPos );
1465                         m_pViewWin->SetSelectedPage( nThmbPos );
1466                         ChgPage( SwPagePreviewWin::MV_SCROLL, false );
1467                         // update scrollbars
1468                         ScrollViewSzChg();
1469                     }
1470                     else
1471                     {
1472                         // correct scroll amount
1473                         const sal_Int16 nPageDiff = nThmbPos - m_pViewWin->SelectedPage();
1474                         const sal_uInt16 nVisPages = m_pViewWin->GetRow() * m_pViewWin->GetCol();
1475                         sal_Int16 nWinPagesToScroll = nPageDiff / nVisPages;
1476                         if ( nPageDiff % nVisPages )
1477                         {
1478                             // decrease/increase number of preview pages to scroll
1479                             nPageDiff < 0 ? --nWinPagesToScroll : ++nWinPagesToScroll;
1480                         }
1481                         m_pViewWin->SetSelectedPage( nThmbPos );
1482                         m_pViewWin->Scroll( 0, pPagePreviewLay->GetWinPagesScrollAmount( nWinPagesToScroll ) );
1483                     }
1484                 }
1485                 // update accessibility
1486                 GetViewShell()->ShowPreviewSelection( nThmbPos );
1487             }
1488             else
1489             {
1490                 // invalidation of window is unnecessary
1491                 bInvalidateWin = false;
1492             }
1493         }
1494         else
1495         {
1496             long nThmbPos = pScrollbar->GetThumbPos();
1497             m_pViewWin->Scroll(0, nThmbPos - m_pViewWin->GetPaintedPreviewDocRect().Top());
1498         }
1499     }
1500     else
1501     {
1502         long nThmbPos = pScrollbar->GetThumbPos();
1503         m_pViewWin->Scroll(nThmbPos - m_pViewWin->GetPaintedPreviewDocRect().Left(), 0);
1504     }
1505     // additional invalidate page status.
1506     static sal_uInt16 aInval[] =
1507     {
1508         FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, FN_PAGEUP, FN_PAGEDOWN,
1509         FN_STAT_PAGE, 0
1510     };
1511     SfxBindings& rBindings = GetViewFrame()->GetBindings();
1512     rBindings.Invalidate( aInval );
1513     // control invalidation of window
1514     if ( bInvalidateWin )
1515     {
1516         m_pViewWin->Invalidate();
1517     }
1518 }
1519 
1520 Point SwPagePreview::AlignToPixel(const Point &rPt) const
1521 {
1522     return m_pViewWin->PixelToLogic( m_pViewWin->LogicToPixel( rPt ) );
1523 }
1524 
1525 void SwPagePreview::DocSzChgd( const Size &rSz )
1526 {
1527     if( m_aDocSize == rSz )
1528         return;
1529 
1530     m_aDocSize = rSz;
1531 
1532     // #i96726#
1533     // Due to the multiple page layout it is needed to trigger recalculation
1534     // of the page preview layout, even if the count of pages is not changing.
1535     mnPageCount = GetViewShell()->GetNumPages();
1536 
1537     if( m_aVisArea.GetWidth() )
1538     {
1539         ChgPage( SwPagePreviewWin::MV_CALC );
1540         ScrollDocSzChg();
1541 
1542         m_pViewWin->Invalidate();
1543     }
1544 }
1545 
1546 void SwPagePreview::ScrollViewSzChg()
1547 {
1548     if(!GetViewShell())
1549         return ;
1550 
1551     bool bShowVScrollbar = false, bShowHScrollbar = false;
1552 
1553     if(m_pVScrollbar)
1554     {
1555         if(GetViewShell()->PagePreviewLayout()->DoesPreviewLayoutRowsFitIntoWindow())
1556         {
1557             //vertical scrolling by row
1558             // adjust to new preview functionality
1559             const sal_uInt16 nVisPages = m_pViewWin->GetRow() * m_pViewWin->GetCol();
1560 
1561             m_pVScrollbar->SetVisibleSize( nVisPages );
1562             // set selected page as scroll bar position,
1563             // if it is visible.
1564             SwPagePreviewLayout* pPagePreviewLay = GetViewShell()->PagePreviewLayout();
1565             if ( pPagePreviewLay->IsPageVisible( m_pViewWin->SelectedPage() ) )
1566             {
1567                 m_pVScrollbar->SetThumbPos( m_pViewWin->SelectedPage() );
1568             }
1569             else
1570             {
1571                 m_pVScrollbar->SetThumbPos( m_pViewWin->GetSttPage() );
1572             }
1573             m_pVScrollbar->SetLineSize( m_pViewWin->GetCol() );
1574             m_pVScrollbar->SetPageSize( nVisPages );
1575             // calculate and set scrollbar range
1576             Range aScrollbarRange( 1, mnPageCount );
1577             // increase range by one, because left-top-corner is left blank.
1578             ++aScrollbarRange.Max();
1579             // increase range in order to access all pages
1580             aScrollbarRange.Max() += ( nVisPages - 1 );
1581             m_pVScrollbar->SetRange( aScrollbarRange );
1582 
1583             bShowVScrollbar = nVisPages < mnPageCount;
1584         }
1585         else //vertical scrolling by pixel
1586         {
1587             const tools::Rectangle& rDocRect = m_pViewWin->GetPaintedPreviewDocRect();
1588             const Size& rPreviewSize =
1589                     GetViewShell()->PagePreviewLayout()->GetPreviewDocSize();
1590             m_pVScrollbar->SetRangeMax(rPreviewSize.Height()) ;
1591             long nVisHeight = rDocRect.GetHeight();
1592             m_pVScrollbar->SetVisibleSize( nVisHeight );
1593             m_pVScrollbar->SetThumbPos( rDocRect.Top() );
1594             m_pVScrollbar->SetLineSize( nVisHeight / 10 );
1595             m_pVScrollbar->SetPageSize( nVisHeight / 2 );
1596 
1597             bShowVScrollbar = true;
1598         }
1599 
1600         if (!mbVScrollbarEnabled)
1601             bShowVScrollbar = false;
1602 
1603         ShowVScrollbar(bShowVScrollbar);
1604     }
1605     if(m_pHScrollbar)
1606     {
1607         const tools::Rectangle& rDocRect = m_pViewWin->GetPaintedPreviewDocRect();
1608         const Size& rPreviewSize =
1609                 GetViewShell()->PagePreviewLayout()->GetPreviewDocSize();
1610         Range aRange(0,0);
1611 
1612         if(rDocRect.GetWidth() < rPreviewSize.Width())
1613         {
1614             bShowHScrollbar = true;
1615 
1616             long nVisWidth = rDocRect.GetWidth();
1617             long nThumb = rDocRect.Left();
1618             aRange = Range(0, rPreviewSize.Width());
1619 
1620             m_pHScrollbar->SetRange( aRange );
1621             m_pHScrollbar->SetVisibleSize( nVisWidth );
1622             m_pHScrollbar->SetThumbPos( nThumb );
1623             m_pHScrollbar->SetLineSize( nVisWidth / 10 );
1624             m_pHScrollbar->SetPageSize( nVisWidth / 2 );
1625         }
1626 
1627         if (!mbHScrollbarEnabled)
1628             bShowHScrollbar = false;
1629 
1630         ShowHScrollbar(bShowHScrollbar);
1631     }
1632     m_pScrollFill->Show(bShowVScrollbar && bShowHScrollbar);
1633 }
1634 
1635 void SwPagePreview::ScrollDocSzChg()
1636 {
1637     ScrollViewSzChg();
1638 }
1639 
1640 // All about printing
1641 SfxPrinter*  SwPagePreview::GetPrinter( bool bCreate )
1642 {
1643     return m_pViewWin->GetViewShell()->getIDocumentDeviceAccess().getPrinter( bCreate );
1644 }
1645 
1646 sal_uInt16  SwPagePreview::SetPrinter( SfxPrinter *pNew, SfxPrinterChangeFlags nDiffFlags )
1647 {
1648     SwViewShell &rSh = *GetViewShell();
1649     SfxPrinter* pOld = rSh.getIDocumentDeviceAccess().getPrinter( false );
1650     if ( pOld && pOld->IsPrinting() )
1651         return SFX_PRINTERROR_BUSY;
1652 
1653     SwEditShell &rESh = static_cast<SwEditShell&>(rSh);  //Buh...
1654     if( ( SfxPrinterChangeFlags::PRINTER | SfxPrinterChangeFlags::JOBSETUP ) & nDiffFlags )
1655     {
1656         rSh.getIDocumentDeviceAccess().setPrinter( pNew, true, true );
1657         if( nDiffFlags & SfxPrinterChangeFlags::PRINTER )
1658             rESh.SetModified();
1659     }
1660     if ( ( nDiffFlags & SfxPrinterChangeFlags::OPTIONS ) == SfxPrinterChangeFlags::OPTIONS )
1661         ::SetPrinter( &rSh.getIDocumentDeviceAccess(), pNew, false );
1662 
1663     const bool bChgOri  = bool(nDiffFlags & SfxPrinterChangeFlags::CHG_ORIENTATION);
1664     const bool bChgSize = bool(nDiffFlags & SfxPrinterChangeFlags::CHG_SIZE);
1665     if ( bChgOri || bChgSize )
1666     {
1667         rESh.StartAllAction();
1668         if ( bChgOri )
1669             rSh.ChgAllPageOrientation( pNew->GetOrientation() );
1670         if ( bChgSize )
1671         {
1672             Size aSz( SvxPaperInfo::GetPaperSize( pNew ) );
1673             rSh.ChgAllPageSize( aSz );
1674         }
1675         if( !m_bNormalPrint )
1676             m_pViewWin->CalcWish( m_pViewWin->GetRow(), m_pViewWin->GetCol() );
1677         rESh.SetModified();
1678         rESh.EndAllAction();
1679 
1680         static sal_uInt16 aInval[] =
1681         {
1682             SID_ATTR_LONG_ULSPACE, SID_ATTR_LONG_LRSPACE,
1683             SID_RULER_BORDERS, SID_RULER_PAGE_POS, 0
1684         };
1685 #if OSL_DEBUG_LEVEL > 0
1686     {
1687         const sal_uInt16* pPtr = aInval + 1;
1688         do {
1689             OSL_ENSURE( *(pPtr - 1) < *pPtr, "wrong sorting!" );
1690         } while( *++pPtr );
1691     }
1692 #endif
1693 
1694         GetViewFrame()->GetBindings().Invalidate(aInval);
1695     }
1696 
1697     return 0;
1698 }
1699 
1700 bool SwPagePreview::HasPrintOptionsPage() const
1701 {
1702     return true;
1703 }
1704 
1705 VclPtr<SfxTabPage> SwPagePreview::CreatePrintOptionsPage( weld::Container* pPage,
1706                                                           const SfxItemSet &rOptions )
1707 {
1708     return ::CreatePrintOptionsPage(pPage, rOptions, !m_bNormalPrint);
1709 }
1710 
1711 void SwPagePreviewWin::SetViewShell( SwViewShell* pShell )
1712 {
1713     mpViewShell = pShell;
1714     if ( mpViewShell && mpViewShell->IsPreview() )
1715     {
1716         mpPgPreviewLayout = mpViewShell->PagePreviewLayout();
1717     }
1718 }
1719 
1720 void SwPagePreviewWin::RepaintCoreRect( const SwRect& rRect )
1721 {
1722     // #i24183#
1723     if ( mpPgPreviewLayout->PreviewLayoutValid() )
1724     {
1725         mpPgPreviewLayout->Repaint( tools::Rectangle( rRect.Pos(), rRect.SSize() ) );
1726     }
1727 }
1728 
1729 /** method to adjust preview to a new zoom factor
1730 
1731     #i19975# also consider zoom type - adding parameter <_eZoomType>
1732 */
1733 void SwPagePreviewWin::AdjustPreviewToNewZoom( const sal_uInt16 _nZoomFactor,
1734                                                const SvxZoomType _eZoomType )
1735 {
1736     // #i19975# consider zoom type
1737     if ( _eZoomType == SvxZoomType::WHOLEPAGE )
1738     {
1739         mnRow = 1;
1740         mnCol = 1;
1741         mpPgPreviewLayout->Init( mnCol, mnRow, maPxWinSize );
1742         mpPgPreviewLayout->Prepare( mnSttPage, Point(0,0), maPxWinSize,
1743                                   mnSttPage, maPaintedPreviewDocRect );
1744         SetSelectedPage( mnSttPage );
1745         SetPagePreview(mnRow, mnCol);
1746         maScale = GetMapMode().GetScaleX();
1747     }
1748     else if ( _nZoomFactor != 0 )
1749     {
1750         // calculate new scaling and set mapping mode appropriately.
1751         Fraction aNewScale( _nZoomFactor, 100 );
1752         MapMode aNewMapMode = GetMapMode();
1753         aNewMapMode.SetScaleX( aNewScale );
1754         aNewMapMode.SetScaleY( aNewScale );
1755         SetMapMode( aNewMapMode );
1756 
1757         // calculate new start position for preview paint
1758         Size aNewWinSize = PixelToLogic( maPxWinSize );
1759         Point aNewPaintStartPos =
1760                 mpPgPreviewLayout->GetPreviewStartPosForNewScale( aNewScale, maScale, aNewWinSize );
1761 
1762         // remember new scaling and prepare preview paint
1763         // Note: paint of preview will be performed by a corresponding invalidate
1764         //          due to property changes.
1765         maScale = aNewScale;
1766         mpPgPreviewLayout->Prepare( 0, aNewPaintStartPos, maPxWinSize,
1767                                   mnSttPage, maPaintedPreviewDocRect );
1768     }
1769 
1770 }
1771 
1772 /**
1773  * pixel scrolling - horizontally always or vertically
1774  * when less than the desired number of rows fits into
1775  * the view
1776  */
1777 void SwPagePreviewWin::Scroll(long nXMove, long nYMove, ScrollFlags /*nFlags*/)
1778 {
1779     maPaintedPreviewDocRect.Move(nXMove, nYMove);
1780     mpPgPreviewLayout->Prepare( 0, maPaintedPreviewDocRect.TopLeft(),
1781                               maPxWinSize, mnSttPage,
1782                               maPaintedPreviewDocRect );
1783 
1784 }
1785 
1786 bool SwPagePreview::HandleWheelCommands( const CommandEvent& rCEvt )
1787 {
1788     bool bOk = false;
1789     const CommandWheelData* pWData = rCEvt.GetWheelData();
1790     if( pWData && CommandWheelMode::ZOOM == pWData->GetMode() )
1791     {
1792         //only the Preference shouldn't control the Zoom, it is better to detect AT tools running. So the bridge can be used here
1793         if (!Application::GetSettings().GetMiscSettings().GetEnableATToolSupport())
1794         {
1795             sal_uInt16 nFactor = GetViewShell()->GetViewOptions()->GetZoom();
1796             const sal_uInt16 nOffset = 10;
1797             if( 0L > pWData->GetDelta() )
1798             {
1799                 nFactor -= nOffset;
1800                 if(nFactor < MIN_PREVIEW_ZOOM)
1801                     nFactor = MIN_PREVIEW_ZOOM;
1802             }
1803             else
1804             {
1805                 nFactor += nOffset;
1806                 if(nFactor > MAX_PREVIEW_ZOOM)
1807                     nFactor = MAX_PREVIEW_ZOOM;
1808             }
1809             SetZoom(SvxZoomType::PERCENT, nFactor);
1810         }
1811         bOk = true;
1812     }
1813     else
1814         bOk = m_pViewWin->HandleScrollCommand( rCEvt, m_pHScrollbar, m_pVScrollbar );
1815     return bOk;
1816 }
1817 
1818 uno::Reference< css::accessibility::XAccessible >
1819     SwPagePreviewWin::CreateAccessible()
1820 {
1821     SolarMutexGuard aGuard; // this should have happened already!!!
1822 
1823     OSL_ENSURE( GetViewShell() != nullptr, "We need a view shell" );
1824     css::uno::Reference< css::accessibility::XAccessible > xAcc = GetAccessible( false );
1825     if (xAcc.is())
1826     {
1827         return xAcc;
1828     }
1829     if (mpViewShell)
1830     {
1831         css::uno::Reference< css::accessibility::XAccessible > xAccPreview = mpViewShell->CreateAccessiblePreview();
1832         SetAccessible(xAccPreview);
1833     }
1834     return GetAccessible( false );
1835 }
1836 
1837 void SwPagePreview::ApplyAccessiblityOptions(SvtAccessibilityOptions const & rAccessibilityOptions)
1838 {
1839     GetViewShell()->ApplyAccessiblityOptions(rAccessibilityOptions);
1840 }
1841 
1842 void SwPagePreview::ShowHScrollbar(bool bShow)
1843 {
1844     m_pHScrollbar->Show(bShow);
1845     InvalidateBorder();
1846 }
1847 
1848 void SwPagePreview::ShowVScrollbar(bool bShow)
1849 {
1850     m_pVScrollbar->Show(bShow);
1851     InvalidateBorder();
1852 }
1853 
1854 void SwPagePreview::EnableHScrollbar(bool bEnable)
1855 {
1856     if (mbHScrollbarEnabled != bEnable)
1857     {
1858         mbHScrollbarEnabled = bEnable;
1859         ScrollViewSzChg();
1860     }
1861 }
1862 
1863 void SwPagePreview::EnableVScrollbar(bool bEnable)
1864 {
1865     if (mbVScrollbarEnabled != bEnable)
1866     {
1867         mbVScrollbarEnabled = bEnable;
1868         ScrollViewSzChg();
1869     }
1870 }
1871 
1872 void SwPagePreview::SetZoom(SvxZoomType eType, sal_uInt16 nFactor)
1873 {
1874     SwViewShell& rSh = *GetViewShell();
1875     SwViewOption aOpt(*rSh.GetViewOptions());
1876     // perform action only on changes of zoom or zoom type.
1877     if ( aOpt.GetZoom() != nFactor ||
1878          aOpt.GetZoomType() != eType )
1879     {
1880         aOpt.SetZoom(nFactor);
1881         aOpt.SetZoomType(eType);
1882         rSh.ApplyViewOptions( aOpt );
1883         lcl_InvalidateZoomSlots(GetViewFrame()->GetBindings());
1884         // #i19975# also consider zoom type
1885         m_pViewWin->AdjustPreviewToNewZoom( nFactor, eType );
1886         ScrollViewSzChg();
1887     }
1888 }
1889 
1890 /** adjust position of vertical scrollbar */
1891 void SwPagePreview::SetVScrollbarThumbPos( const sal_uInt16 _nNewThumbPos )
1892 {
1893     if ( m_pVScrollbar )
1894     {
1895         m_pVScrollbar->SetThumbPos( _nNewThumbPos );
1896     }
1897 }
1898 
1899 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
1900