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Diffstat (limited to '')
| -rw-r--r-- | sw/source/uibase/uiview/pview.cxx | 1887 |
1 files changed, 1887 insertions, 0 deletions
diff --git a/sw/source/uibase/uiview/pview.cxx b/sw/source/uibase/uiview/pview.cxx new file mode 100644 index 000000000..fae7d9cef --- /dev/null +++ b/sw/source/uibase/uiview/pview.cxx @@ -0,0 +1,1887 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sfx2/objface.hxx> +#include <vcl/help.hxx> +#include <vcl/commandevent.hxx> +#include <vcl/settings.hxx> +#include <vcl/svapp.hxx> +#include <vcl/syswin.hxx> +#include <vcl/weld.hxx> + +#include <rtl/ustrbuf.hxx> +#include <svl/whiter.hxx> +#include <svl/stritem.hxx> +#include <svl/eitem.hxx> +#include <sfx2/printer.hxx> +#include <sfx2/bindings.hxx> +#include <sfx2/request.hxx> +#include <sfx2/dispatch.hxx> +#include <editeng/paperinf.hxx> +#include <svx/svdview.hxx> +#include <svx/zoomslideritem.hxx> +#include <tools/svborder.hxx> + +#include <globdoc.hxx> +#include <wdocsh.hxx> +#include <pvprtdat.hxx> +#include <swmodule.hxx> +#include <wrtsh.hxx> +#include <docsh.hxx> +#include <viewopt.hxx> +#include <doc.hxx> +#include <IDocumentDeviceAccess.hxx> +#include <pview.hxx> +#include <view.hxx> +#include <scroll.hxx> +#include <prtopt.hxx> +#include <usrpref.hxx> +#include "viewfunc.hxx" + +#include <helpids.h> +#include <cmdid.h> +#include <strings.hrc> + +#define ShellClass_SwPagePreview +#include <sfx2/msg.hxx> +#include <swslots.hxx> +#include <pagepreviewlayout.hxx> + +#include <svx/svxdlg.hxx> + +#include <memory> +#include <vcl/EnumContext.hxx> +#include <vcl/notebookbar.hxx> + +using namespace ::com::sun::star; +SFX_IMPL_NAMED_VIEWFACTORY(SwPagePreview, "PrintPreview") +{ + SFX_VIEW_REGISTRATION(SwDocShell); + SFX_VIEW_REGISTRATION(SwWebDocShell); + SFX_VIEW_REGISTRATION(SwGlobalDocShell); +} + +SFX_IMPL_INTERFACE(SwPagePreview, SfxViewShell) + +void SwPagePreview::InitInterface_Impl() +{ + GetStaticInterface()->RegisterPopupMenu("preview"); + GetStaticInterface()->RegisterObjectBar(SFX_OBJECTBAR_OBJECT, + SfxVisibilityFlags::Standard|SfxVisibilityFlags::Client|SfxVisibilityFlags::FullScreen|SfxVisibilityFlags::ReadonlyDoc, + ToolbarId::PView_Toolbox); +} + + +#define SWVIEWFLAGS SfxViewShellFlags::HAS_PRINTOPTIONS + +#define MIN_PREVIEW_ZOOM 25 +#define MAX_PREVIEW_ZOOM 600 + +static sal_uInt16 lcl_GetNextZoomStep(sal_uInt16 nCurrentZoom, bool bZoomIn) +{ + static const sal_uInt16 aZoomArr[] = + { + 25, 50, 75, 100, 150, 200, 400, 600 + }; + const int nZoomArrSize = static_cast<int>(SAL_N_ELEMENTS(aZoomArr)); + if (bZoomIn) + { + for(int i = nZoomArrSize - 1; i >= 0; --i) + { + if(nCurrentZoom > aZoomArr[i] || !i) + return aZoomArr[i]; + } + } + else + { + for(sal_uInt16 i : aZoomArr) + { + if(nCurrentZoom < i) + return i; + } + } + return bZoomIn ? MAX_PREVIEW_ZOOM : MIN_PREVIEW_ZOOM; +}; + +static void lcl_InvalidateZoomSlots(SfxBindings& rBindings) +{ + static sal_uInt16 const aInval[] = + { + SID_ATTR_ZOOM, SID_ZOOM_OUT, SID_ZOOM_IN, SID_ATTR_ZOOMSLIDER, FN_PREVIEW_ZOOM, FN_STAT_ZOOM, + 0 + }; + rBindings.Invalidate( aInval ); +} + +namespace { + +// At first the zoom dialog +class SwPreviewZoomDlg : public weld::GenericDialogController +{ + SwPagePreviewWin& m_rParent; + std::unique_ptr<weld::SpinButton> m_xRowEdit; + std::unique_ptr<weld::SpinButton> m_xColEdit; + +public: + SwPreviewZoomDlg(SwPagePreviewWin& rParent) + : GenericDialogController(rParent.GetFrameWeld(), "modules/swriter/ui/previewzoomdialog.ui", "PreviewZoomDialog") + , m_rParent(rParent) + , m_xRowEdit(m_xBuilder->weld_spin_button("rows")) + , m_xColEdit(m_xBuilder->weld_spin_button("cols")) + { + m_xRowEdit->set_value(rParent.GetRow()); + m_xColEdit->set_value(rParent.GetCol()); + } + + void execute() + { + if (run() == RET_OK) + { + m_rParent.CalcWish(sal_uInt8(m_xRowEdit->get_value()), sal_uInt8(m_xColEdit->get_value())); + } + } +}; + +} + +// all for SwPagePreviewWin +SwPagePreviewWin::SwPagePreviewWin( vcl::Window *pParent, SwPagePreview& rPView ) + : Window(pParent, WinBits(WB_CLIPCHILDREN)) + , mpViewShell(nullptr) + , mrView(rPView) + , mbCalcScaleForPreviewLayout(true) + , maPaintedPreviewDocRect(tools::Rectangle(0,0,0,0)) + , mpPgPreviewLayout(nullptr) +{ + SetOutDevViewType( OutDevViewType::PrintPreview ); + SetHelpId(HID_PAGEPREVIEW); + SetFillColor( GetBackground().GetColor() ); + SetLineColor( GetBackground().GetColor()); + SetMapMode( MapMode(MapUnit::MapTwip) ); + + const SwMasterUsrPref *pUsrPref = SW_MOD()->GetUsrPref(false); + mnRow = pUsrPref->GetPagePrevRow(); // 1 row + mnCol = pUsrPref->GetPagePrevCol(); // 1 column + mnSttPage = USHRT_MAX; +} + +SwPagePreviewWin::~SwPagePreviewWin() +{ +} + +void SwPagePreviewWin::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) +{ + if (!mpViewShell || !mpViewShell->GetLayout()) + return; + + if (USHRT_MAX == mnSttPage) // was never calculated ? (Init-Phase!) + { + // This is the size to which I always relate. + if (!maPxWinSize.Height() || !maPxWinSize.Width()) + maPxWinSize = GetOutputSizePixel(); + + tools::Rectangle aRect(rRenderContext.LogicToPixel(rRect)); + mpPgPreviewLayout->Prepare(1, Point(0,0), maPxWinSize, + mnSttPage, maPaintedPreviewDocRect); + SetSelectedPage(1); + mpPgPreviewLayout->Paint(rRenderContext, rRenderContext.PixelToLogic(aRect)); + SetPagePreview(mnRow, mnCol); + } + else + { + MapMode aMM(rRenderContext.GetMapMode()); + aMM.SetScaleX(maScale); + aMM.SetScaleY(maScale); + rRenderContext.SetMapMode(aMM); + mpPgPreviewLayout->GetParentViewShell().setOutputToWindow(true); + mpPgPreviewLayout->Paint(rRenderContext, rRect); + mpPgPreviewLayout->GetParentViewShell().setOutputToWindow(false); + } +} + +void SwPagePreviewWin::CalcWish( sal_uInt8 nNewRow, sal_uInt8 nNewCol ) +{ + if( !mpViewShell || !mpViewShell->GetLayout() ) + return; + + const sal_uInt8 nOldCol = mnCol; + mnRow = nNewRow; + mnCol = nNewCol; + const sal_uInt16 nPages = mnRow * mnCol; + const sal_uInt16 nLastSttPg = mrView.GetPageCount()+1 > nPages + ? mrView.GetPageCount()+1 - nPages : 0; + if( mnSttPage > nLastSttPg ) + mnSttPage = nLastSttPg; + + mpPgPreviewLayout->Init( mnCol, mnRow, maPxWinSize ); + mpPgPreviewLayout->Prepare( mnSttPage, Point(0,0), maPxWinSize, + mnSttPage, maPaintedPreviewDocRect ); + SetSelectedPage( mnSttPage ); + SetPagePreview(mnRow, mnCol); + maScale = GetMapMode().GetScaleX(); + + // If changes have taken place at the columns, the special case "single column" + // must be considered and corrected if necessary. + if( (1 == nOldCol) != (1 == mnCol) ) + mrView.ScrollDocSzChg(); + + // Order must be maintained! + // additional invalidate page status. + static sal_uInt16 aInval[] = + { + SID_ATTR_ZOOM, SID_ZOOM_OUT, SID_ZOOM_IN, + FN_PREVIEW_ZOOM, + FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, FN_PAGEUP, FN_PAGEDOWN, + FN_STAT_PAGE, FN_STAT_ZOOM, + FN_SHOW_TWO_PAGES, FN_SHOW_MULTIPLE_PAGES, + 0 + }; + SfxBindings& rBindings = mrView.GetViewFrame()->GetBindings(); + rBindings.Invalidate( aInval ); + rBindings.Update( FN_SHOW_TWO_PAGES ); + rBindings.Update( FN_SHOW_MULTIPLE_PAGES ); + // adjust scrollbars + mrView.ScrollViewSzChg(); +} + +// mnSttPage is Absolute +bool SwPagePreviewWin::MovePage( int eMoveMode ) +{ + // number of pages up + const sal_uInt16 nPages = mnRow * mnCol; + sal_uInt16 nNewSttPage = mnSttPage; + const sal_uInt16 nPageCount = mrView.GetPageCount(); + const sal_uInt16 nDefSttPg = GetDefSttPage(); + bool bPaintPageAtFirstCol = true; + + switch( eMoveMode ) + { + case MV_PAGE_UP: + { + const sal_uInt16 nRelSttPage = mpPgPreviewLayout->ConvertAbsoluteToRelativePageNum( mnSttPage ); + const sal_uInt16 nNewAbsSttPage = nRelSttPage - nPages > 0 ? + mpPgPreviewLayout->ConvertRelativeToAbsolutePageNum( nRelSttPage - nPages ) : + nDefSttPg; + nNewSttPage = nNewAbsSttPage; + + const sal_uInt16 nRelSelPage = mpPgPreviewLayout->ConvertAbsoluteToRelativePageNum( SelectedPage() ); + const sal_uInt16 nNewRelSelPage = nRelSelPage - nPages > 0 ? + nRelSelPage - nPages : + 1; + SetSelectedPage( mpPgPreviewLayout->ConvertRelativeToAbsolutePageNum( nNewRelSelPage ) ); + + break; + } + case MV_PAGE_DOWN: + { + const sal_uInt16 nRelSttPage = mpPgPreviewLayout->ConvertAbsoluteToRelativePageNum( mnSttPage ); + const sal_uInt16 nNewAbsSttPage = mpPgPreviewLayout->ConvertRelativeToAbsolutePageNum( nRelSttPage + nPages ); + nNewSttPage = std::min(nNewAbsSttPage, nPageCount); + + const sal_uInt16 nRelSelPage = mpPgPreviewLayout->ConvertAbsoluteToRelativePageNum( SelectedPage() ); + const sal_uInt16 nNewAbsSelPage = mpPgPreviewLayout->ConvertRelativeToAbsolutePageNum( nRelSelPage + nPages ); + SetSelectedPage( std::min(nNewAbsSelPage, nPageCount) ); + + break; + } + case MV_DOC_STT: + nNewSttPage = nDefSttPg; + SetSelectedPage( mpPgPreviewLayout->ConvertRelativeToAbsolutePageNum( nNewSttPage ? nNewSttPage : 1 ) ); + break; + case MV_DOC_END: + // correct calculation of new start page. + nNewSttPage = nPageCount; + SetSelectedPage( nPageCount ); + break; + + case MV_SELPAGE: + // <nNewSttPage> and <SelectedPage()> are already set. + // not start at first column, only if the + // complete preview layout columns doesn't fit into window. + if ( !mpPgPreviewLayout->DoesPreviewLayoutColsFitIntoWindow() ) + bPaintPageAtFirstCol = false; + break; + case MV_SCROLL: + // check, if paint page at first column + // has to be avoided + if ( !mpPgPreviewLayout->DoesPreviewLayoutRowsFitIntoWindow() || + !mpPgPreviewLayout->DoesPreviewLayoutColsFitIntoWindow() ) + bPaintPageAtFirstCol = false; + break; + case MV_NEWWINSIZE: + // nothing special to do. + break; + case MV_CALC: + // re-init page preview layout. + mpPgPreviewLayout->ReInit(); + + // correct calculation of new start page. + if( nNewSttPage > nPageCount ) + nNewSttPage = nPageCount; + + // correct selected page number + if( SelectedPage() > nPageCount ) + SetSelectedPage( nNewSttPage ? nNewSttPage : 1 ); + } + + mpPgPreviewLayout->Prepare( nNewSttPage, Point(0,0), maPxWinSize, + nNewSttPage, + maPaintedPreviewDocRect, bPaintPageAtFirstCol ); + if( nNewSttPage == mnSttPage && + eMoveMode != MV_SELPAGE ) + return false; + + SetPagePreview(mnRow, mnCol); + mnSttPage = nNewSttPage; + + // additional invalidate page status. + static sal_uInt16 aInval[] = + { + FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, FN_PAGEUP, FN_PAGEDOWN, + FN_STAT_PAGE, 0 + }; + + SfxBindings& rBindings = mrView.GetViewFrame()->GetBindings(); + rBindings.Invalidate( aInval ); + + return true; +} + +void SwPagePreviewWin::SetWinSize( const Size& rNewSize ) +{ + // We always want the size as pixel units. + maPxWinSize = LogicToPixel( rNewSize ); + + if( USHRT_MAX == mnSttPage ) + { + mnSttPage = GetDefSttPage(); + SetSelectedPage( GetDefSttPage() ); + } + + if ( mbCalcScaleForPreviewLayout ) + { + mpPgPreviewLayout->Init( mnCol, mnRow, maPxWinSize ); + maScale = GetMapMode().GetScaleX(); + } + mpPgPreviewLayout->Prepare( mnSttPage, Point(0,0), maPxWinSize, + mnSttPage, maPaintedPreviewDocRect ); + if ( mbCalcScaleForPreviewLayout ) + { + SetSelectedPage( mnSttPage ); + mbCalcScaleForPreviewLayout = false; + } + SetPagePreview(mnRow, mnCol); + maScale = GetMapMode().GetScaleX(); +} + +OUString SwPagePreviewWin::GetStatusStr( sal_uInt16 nPageCnt ) const +{ + // show physical and virtual page number of + // selected page, if it's visible. + const sal_uInt16 nPageNum = mpPgPreviewLayout->IsPageVisible( mpPgPreviewLayout->SelectedPage() ) + ? mpPgPreviewLayout->SelectedPage() : std::max<sal_uInt16>(mnSttPage, 1); + + OUStringBuffer aStatusStr; + const sal_uInt16 nVirtPageNum = mpPgPreviewLayout->GetVirtPageNumByPageNum( nPageNum ); + if( nVirtPageNum && nVirtPageNum != nPageNum ) + { + aStatusStr.append( OUString::number(nVirtPageNum) ).append( " " ); + } + aStatusStr.append( OUString::number(nPageNum) ).append( " / " ).append( OUString::number(nPageCnt) ); + return aStatusStr.makeStringAndClear(); +} + +void SwPagePreviewWin::KeyInput( const KeyEvent &rKEvt ) +{ + const vcl::KeyCode& rKeyCode = rKEvt.GetKeyCode(); + bool bHandled = false; + if(!rKeyCode.GetModifier()) + { + sal_uInt16 nSlot = 0; + switch(rKeyCode.GetCode()) + { + case KEY_ADD : nSlot = SID_ZOOM_OUT; break; + case KEY_ESCAPE: nSlot = FN_CLOSE_PAGEPREVIEW; break; + case KEY_SUBTRACT : nSlot = SID_ZOOM_IN; break; + } + if(nSlot) + { + bHandled = true; + mrView.GetViewFrame()->GetDispatcher()->Execute( + nSlot, SfxCallMode::ASYNCHRON ); + } + } + if( !bHandled && !mrView.KeyInput( rKEvt ) ) + Window::KeyInput( rKEvt ); +} + +void SwPagePreviewWin::Command( const CommandEvent& rCEvt ) +{ + bool bCallBase = true; + switch( rCEvt.GetCommand() ) + { + case CommandEventId::ContextMenu: + SfxDispatcher::ExecutePopup(); + bCallBase = false; + break; + + case CommandEventId::Wheel: + case CommandEventId::StartAutoScroll: + case CommandEventId::AutoScroll: + { + const CommandWheelData* pData = rCEvt.GetWheelData(); + if( pData ) + { + const CommandWheelData aDataNew(pData->GetDelta(),pData->GetNotchDelta(),COMMAND_WHEEL_PAGESCROLL, + pData->GetMode(),pData->GetModifier(),pData->IsHorz(), pData->IsDeltaPixel()); + const CommandEvent aEvent( rCEvt.GetMousePosPixel(),rCEvt.GetCommand(),rCEvt.IsMouseEvent(),&aDataNew); + bCallBase = !mrView.HandleWheelCommands( aEvent ); + } + else + bCallBase = !mrView.HandleWheelCommands( rCEvt ); + } + break; + default: + ; + } + + if( bCallBase ) + Window::Command( rCEvt ); +} + +void SwPagePreviewWin::MouseButtonDown( const MouseEvent& rMEvt ) +{ + // consider single-click to set selected page + if( MOUSE_LEFT == ( rMEvt.GetModifier() + rMEvt.GetButtons() ) ) + { + Point aPreviewPos( PixelToLogic( rMEvt.GetPosPixel() ) ); + Point aDocPos; + bool bPosInEmptyPage; + sal_uInt16 nNewSelectedPage; + bool bIsDocPos = + mpPgPreviewLayout->IsPreviewPosInDocPreviewPage( aPreviewPos, + aDocPos, bPosInEmptyPage, nNewSelectedPage ); + if ( bIsDocPos && rMEvt.GetClicks() == 2 ) + { + // close page preview, set new cursor position and switch to + // normal view. + OUString sNewCursorPos = OUString::number( aDocPos.X() ) + ";" + + OUString::number( aDocPos.Y() ) + ";"; + mrView.SetNewCursorPos( sNewCursorPos ); + + SfxViewFrame *pTmpFrame = mrView.GetViewFrame(); + pTmpFrame->GetBindings().Execute( SID_VIEWSHELL0, nullptr, + SfxCallMode::ASYNCHRON ); + } + else if ( bIsDocPos || bPosInEmptyPage ) + { + // show clicked page as the selected one + mpPgPreviewLayout->MarkNewSelectedPage( nNewSelectedPage ); + GetViewShell()->ShowPreviewSelection( nNewSelectedPage ); + // adjust position at vertical scrollbar. + if ( mpPgPreviewLayout->DoesPreviewLayoutRowsFitIntoWindow() ) + { + mrView.SetVScrollbarThumbPos( nNewSelectedPage ); + } + // invalidate page status. + static sal_uInt16 aInval[] = + { + FN_STAT_PAGE, 0 + }; + SfxBindings& rBindings = mrView.GetViewFrame()->GetBindings(); + rBindings.Invalidate( aInval ); + } + } +} + +// Set user prefs or view options + +void SwPagePreviewWin::SetPagePreview( sal_uInt8 nRow, sal_uInt8 nCol ) +{ + SwMasterUsrPref *pOpt = const_cast<SwMasterUsrPref *>(SW_MOD()->GetUsrPref(false)); + + if (nRow != pOpt->GetPagePrevRow() || nCol != pOpt->GetPagePrevCol()) + { + pOpt->SetPagePrevRow( nRow ); + pOpt->SetPagePrevCol( nCol ); + pOpt->SetModified(); + + // Update scrollbar! + mrView.ScrollViewSzChg(); + } +} + +/** get selected page in document preview */ +sal_uInt16 SwPagePreviewWin::SelectedPage() const +{ + return mpPgPreviewLayout->SelectedPage(); +} + +/** set selected page number in document preview */ +void SwPagePreviewWin::SetSelectedPage( sal_uInt16 _nSelectedPageNum ) +{ + mpPgPreviewLayout->SetSelectedPage( _nSelectedPageNum ); +} + +/** method to enable/disable book preview */ +bool SwPagePreviewWin::SetBookPreviewMode( const bool _bBookPreview ) +{ + return mpPgPreviewLayout->SetBookPreviewMode( _bBookPreview, + mnSttPage, + maPaintedPreviewDocRect ); +} + +void SwPagePreviewWin::DataChanged( const DataChangedEvent& rDCEvt ) +{ + Window::DataChanged( rDCEvt ); + + switch( rDCEvt.GetType() ) + { + case DataChangedEventType::SETTINGS: + // Rearrange the scrollbars or trigger resize, because the + // size of the scrollbars may have be changed. Also the + // size of the scrollbars has to be retrieved from the settings + // out of the resize handler. + if( rDCEvt.GetFlags() & AllSettingsFlags::STYLE ) + mrView.InvalidateBorder(); // Scrollbar widths + // zoom has to be disabled if Accessibility support is switched on + lcl_InvalidateZoomSlots(mrView.GetViewFrame()->GetBindings()); + break; + + case DataChangedEventType::PRINTER: + case DataChangedEventType::DISPLAY: + case DataChangedEventType::FONTS: + case DataChangedEventType::FONTSUBSTITUTION: + mrView.GetDocShell()->UpdateFontList(); // Font change + mpViewShell->InvalidateLayout(true); + if ( mpViewShell->GetWin() ) + mpViewShell->GetWin()->Invalidate(); + break; + default: break; + } +} + +/** help method to execute SfxRequest FN_PAGEUP and FN_PAGEDOWN */ +void SwPagePreview::ExecPgUpAndPgDown( const bool _bPgUp, + SfxRequest* _pReq ) +{ + SwPagePreviewLayout* pPagePreviewLay = GetViewShell()->PagePreviewLayout(); + // check, if top/bottom of preview is *not* already visible. + if( pPagePreviewLay->GetWinPagesScrollAmount( _bPgUp ? -1 : 1 ) != 0 ) + { + if ( pPagePreviewLay->DoesPreviewLayoutRowsFitIntoWindow() && + pPagePreviewLay->DoesPreviewLayoutColsFitIntoWindow() ) + { + const int eMvMode = _bPgUp ? + SwPagePreviewWin::MV_PAGE_UP : + SwPagePreviewWin::MV_PAGE_DOWN; + if ( ChgPage( eMvMode ) ) + m_pViewWin->Invalidate(); + } + else + { + SwTwips nScrollAmount; + sal_uInt16 nNewSelectedPageNum = 0; + const sal_uInt16 nVisPages = m_pViewWin->GetRow() * m_pViewWin->GetCol(); + if( _bPgUp ) + { + if ( pPagePreviewLay->DoesPreviewLayoutRowsFitIntoWindow() ) + { + nScrollAmount = pPagePreviewLay->GetWinPagesScrollAmount( -1 ); + if ( (m_pViewWin->SelectedPage() - nVisPages) > 0 ) + nNewSelectedPageNum = m_pViewWin->SelectedPage() - nVisPages; + else + nNewSelectedPageNum = 1; + } + else + nScrollAmount = - std::min( m_pViewWin->GetOutputSize().Height(), + m_pViewWin->GetPaintedPreviewDocRect().Top() ); + } + else + { + if ( pPagePreviewLay->DoesPreviewLayoutRowsFitIntoWindow() ) + { + nScrollAmount = pPagePreviewLay->GetWinPagesScrollAmount( 1 ); + if ( (m_pViewWin->SelectedPage() + nVisPages) <= mnPageCount ) + nNewSelectedPageNum = m_pViewWin->SelectedPage() + nVisPages; + else + nNewSelectedPageNum = mnPageCount; + } + else + nScrollAmount = std::min( m_pViewWin->GetOutputSize().Height(), + ( pPagePreviewLay->GetPreviewDocSize().Height() - + m_pViewWin->GetPaintedPreviewDocRect().Bottom() ) ); + } + m_pViewWin->Scroll( 0, nScrollAmount ); + if ( nNewSelectedPageNum != 0 ) + { + m_pViewWin->SetSelectedPage( nNewSelectedPageNum ); + } + ScrollViewSzChg(); + // additional invalidate page status. + static sal_uInt16 aInval[] = + { + FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, FN_PAGEUP, FN_PAGEDOWN, + FN_STAT_PAGE, 0 + }; + SfxBindings& rBindings = GetViewFrame()->GetBindings(); + rBindings.Invalidate( aInval ); + m_pViewWin->Invalidate(); + } + } + + if ( _pReq ) + _pReq->Done(); +} + +// Then all for the SwPagePreview +void SwPagePreview::Execute( SfxRequest &rReq ) +{ + int eMvMode = SwPagePreviewWin::MV_DOC_END; + sal_uInt8 nRow = 1; + bool bRefresh = true; + + switch(rReq.GetSlot()) + { + case FN_REFRESH_VIEW: + case FN_STAT_PAGE: + case FN_STAT_ZOOM: + break; + + case FN_SHOW_MULTIPLE_PAGES: + { + const SfxItemSet *pArgs = rReq.GetArgs(); + if( pArgs && pArgs->Count() >= 2 ) + { + sal_uInt8 nCols = static_cast<sal_uInt8>(pArgs->Get(SID_ATTR_TABLE_COLUMN).GetValue()); + sal_uInt8 nRows = static_cast<sal_uInt8>(pArgs->Get(SID_ATTR_TABLE_ROW).GetValue()); + m_pViewWin->CalcWish( nRows, nCols ); + + } + else + { + SwPreviewZoomDlg aDlg(*m_pViewWin); + aDlg.execute(); + } + } + break; + case FN_SHOW_BOOKVIEW: + { + const SfxItemSet* pArgs = rReq.GetArgs(); + const SfxPoolItem* pItem; + bool bBookPreview = GetViewShell()->GetViewOptions()->IsPagePrevBookview(); + if( pArgs && SfxItemState::SET == pArgs->GetItemState( FN_SHOW_BOOKVIEW, false, &pItem ) ) + { + bBookPreview = static_cast< const SfxBoolItem* >( pItem )->GetValue(); + const_cast<SwViewOption*>(GetViewShell()->GetViewOptions())->SetPagePrevBookview( bBookPreview ); + // cast is not gentleman like, but it's common use in writer and in this case + } + if ( m_pViewWin->SetBookPreviewMode( bBookPreview ) ) + { + // book preview mode changed. Thus, adjust scrollbars and + // invalidate corresponding states. + ScrollViewSzChg(); + static sal_uInt16 aInval[] = + { + FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, FN_PAGEUP, FN_PAGEDOWN, + FN_STAT_PAGE, FN_SHOW_BOOKVIEW, 0 + }; + SfxBindings& rBindings = GetViewFrame()->GetBindings(); + rBindings.Invalidate( aInval ); + m_pViewWin->Invalidate(); + } + + } + break; + case FN_SHOW_TWO_PAGES: + m_pViewWin->CalcWish( nRow, 2 ); + break; + + case FN_SHOW_SINGLE_PAGE: + m_pViewWin->CalcWish( nRow, 1 ); + break; + + case FN_PREVIEW_ZOOM: + case SID_ATTR_ZOOM: + { + const SfxItemSet *pArgs = rReq.GetArgs(); + const SfxPoolItem* pItem; + ScopedVclPtr<AbstractSvxZoomDialog> pDlg; + if(!pArgs) + { + SfxItemSet aCoreSet(GetPool(), svl::Items<SID_ATTR_ZOOM, SID_ATTR_ZOOM>{}); + const SwViewOption* pVOpt = GetViewShell()->GetViewOptions(); + SvxZoomItem aZoom( pVOpt->GetZoomType(), pVOpt->GetZoom() ); + aZoom.SetValueSet( + SvxZoomEnableFlags::N50| + SvxZoomEnableFlags::N75| + SvxZoomEnableFlags::N100| + SvxZoomEnableFlags::N150| + SvxZoomEnableFlags::N200| + SvxZoomEnableFlags::WHOLEPAGE); + aCoreSet.Put( aZoom ); + + SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create(); + pDlg.disposeAndReset(pFact->CreateSvxZoomDialog(GetViewFrame()->GetWindow().GetFrameWeld(), aCoreSet)); + pDlg->SetLimits( MINZOOM, MAXZOOM ); + + if( pDlg->Execute() != RET_CANCEL ) + pArgs = pDlg->GetOutputItemSet(); + } + if( pArgs ) + { + SvxZoomType eType = SvxZoomType::PERCENT; + sal_uInt16 nZoomFactor = USHRT_MAX; + if(SfxItemState::SET == pArgs->GetItemState(SID_ATTR_ZOOM, true, &pItem)) + { + eType = static_cast<const SvxZoomItem *>(pItem)->GetType(); + nZoomFactor = static_cast<const SvxZoomItem *>(pItem)->GetValue(); + } + else if(SfxItemState::SET == pArgs->GetItemState(FN_PREVIEW_ZOOM, true, &pItem)) + nZoomFactor = static_cast<const SfxUInt16Item *>(pItem)->GetValue(); + if(USHRT_MAX != nZoomFactor) + SetZoom(eType, nZoomFactor); + } + } + break; + case SID_ATTR_ZOOMSLIDER : + { + const SfxItemSet *pArgs = rReq.GetArgs(); + const SfxPoolItem* pItem; + + if ( pArgs && SfxItemState::SET == pArgs->GetItemState(SID_ATTR_ZOOMSLIDER, true, &pItem ) ) + { + const sal_uInt16 nCurrentZoom = static_cast<const SvxZoomSliderItem *>(pItem)->GetValue(); + SetZoom( SvxZoomType::PERCENT, nCurrentZoom ); + } + } + break; + case SID_ZOOM_IN: + case SID_ZOOM_OUT: + { + const SwViewOption* pVOpt = GetViewShell()->GetViewOptions(); + SetZoom(SvxZoomType::PERCENT, + lcl_GetNextZoomStep(pVOpt->GetZoom(), SID_ZOOM_IN == rReq.GetSlot())); + } + break; + case FN_CHAR_LEFT: + case FN_CHAR_RIGHT: + case FN_LINE_UP: + case FN_LINE_DOWN: + { + SwPagePreviewLayout* pPagePreviewLay = GetViewShell()->PagePreviewLayout(); + sal_uInt16 nNewSelectedPage; + sal_uInt16 nNewStartPage; + Point aNewStartPos; + sal_Int16 nHoriMove = 0; + sal_Int16 nVertMove = 0; + switch(rReq.GetSlot()) + { + case FN_CHAR_LEFT: nHoriMove = -1; break; + case FN_CHAR_RIGHT: nHoriMove = 1; break; + case FN_LINE_UP: nVertMove = -1; break; + case FN_LINE_DOWN: nVertMove = 1; break; + } + pPagePreviewLay->CalcStartValuesForSelectedPageMove( nHoriMove, nVertMove, + nNewSelectedPage, nNewStartPage, aNewStartPos ); + if ( m_pViewWin->SelectedPage() != nNewSelectedPage ) + { + if ( pPagePreviewLay->IsPageVisible( nNewSelectedPage ) ) + { + pPagePreviewLay->MarkNewSelectedPage( nNewSelectedPage ); + // adjust position at vertical scrollbar. + SetVScrollbarThumbPos( nNewSelectedPage ); + bRefresh = false; + } + else + { + m_pViewWin->SetSelectedPage( nNewSelectedPage ); + m_pViewWin->SetSttPage( nNewStartPage ); + bRefresh = ChgPage( SwPagePreviewWin::MV_SELPAGE ); + } + GetViewShell()->ShowPreviewSelection( nNewSelectedPage ); + // invalidate page status. + static sal_uInt16 aInval[] = + { + FN_STAT_PAGE, 0 + }; + SfxBindings& rBindings = GetViewFrame()->GetBindings(); + rBindings.Invalidate( aInval ); + rReq.Done(); + } + else + { + bRefresh = false; + } + break; + } + case FN_PAGEUP: + case FN_PAGEDOWN: + { + ExecPgUpAndPgDown( rReq.GetSlot() == FN_PAGEUP, &rReq ); + break; + } + case SID_JUMP_TO_SPECIFIC_PAGE: + { + sal_uInt16 nPageNum = 1; + const SfxItemSet *pArgs = rReq.GetArgs(); + if( pArgs && pArgs->Count()) + { + nPageNum = static_cast<const SfxUInt16Item &>(pArgs->Get(SID_JUMP_TO_SPECIFIC_PAGE)).GetValue(); + + if( nPageNum > 0 && nPageNum <= mnPageCount ) + { + m_pViewWin->SetSttPage( nPageNum); + m_pViewWin->SetSelectedPage( nPageNum ); + ChgPage( SwPagePreviewWin::MV_SPECIFIC_PAGE, false ); + ScrollViewSzChg(); + } + } + } + break; + case FN_START_OF_LINE: + case FN_START_OF_DOCUMENT: + eMvMode = SwPagePreviewWin::MV_DOC_STT; + [[fallthrough]]; + case FN_END_OF_LINE: + case FN_END_OF_DOCUMENT: + m_pViewWin->SetSelectedPage(eMvMode == SwPagePreviewWin::MV_DOC_STT ? 1 : mnPageCount); + { + bool bRet = ChgPage( eMvMode ); + // return value for Basic + rReq.SetReturnValue(SfxBoolItem(rReq.GetSlot(), !bRet)); + + bRefresh = bRet; + rReq.Done(); + } + break; + + case FN_PRINT_PAGEPREVIEW: + { + const SwPagePreviewPrtData* pPPVPD = m_pViewWin->GetViewShell()->GetDoc()->GetPreviewPrtData(); + // The thing with the orientation + if(pPPVPD) + { + SfxPrinter* pPrinter = GetPrinter( true ); + if((pPrinter->GetOrientation() == Orientation::Landscape) + != pPPVPD->GetLandscape()) + pPrinter->SetOrientation(pPPVPD->GetLandscape() ? Orientation::Landscape : Orientation::Portrait); + } + ::SetAppPrintOptions( m_pViewWin->GetViewShell(), false ); + m_bNormalPrint = false; + rReq.SetSlot( SID_PRINTDOC ); + SfxViewShell::ExecuteSlot( rReq, SfxViewShell::GetInterface() ); + rReq.SetSlot( FN_PRINT_PAGEPREVIEW ); + return; + } + case SID_PRINTDOCDIRECT: + case SID_PRINTDOC: + ::SetAppPrintOptions( m_pViewWin->GetViewShell(), false ); + m_bNormalPrint = true; + SfxViewShell::ExecuteSlot( rReq, SfxViewShell::GetInterface() ); + return; + case FN_CLOSE_PAGEPREVIEW: + case SID_PRINTPREVIEW: + // print preview is now always in the same frame as the tab view + // -> always switch this frame back to normal view + // (ScTabViewShell ctor reads stored view data) + GetViewFrame()->GetDispatcher()->Execute( SID_VIEWSHELL0, SfxCallMode::ASYNCHRON ); + break; + case FN_INSERT_BREAK: + { + sal_uInt16 nSelPage = m_pViewWin->SelectedPage(); + //if a dummy page is selected (e.g. a non-existing right/left page) + //the direct neighbor is used + if(GetViewShell()->IsDummyPage( nSelPage ) && GetViewShell()->IsDummyPage( --nSelPage )) + nSelPage +=2; + m_nNewPage = nSelPage; + SfxViewFrame *pTmpFrame = GetViewFrame(); + pTmpFrame->GetBindings().Execute( SID_VIEWSHELL0, nullptr, + SfxCallMode::ASYNCHRON ); + } + break; + default: + OSL_ENSURE(false, "wrong dispatcher"); + return; + } + + if( bRefresh ) + m_pViewWin->Invalidate(); +} + +void SwPagePreview::GetState( SfxItemSet& rSet ) +{ + SfxWhichIter aIter(rSet); + sal_uInt16 nWhich = aIter.FirstWhich(); + OSL_ENSURE(nWhich, "empty set"); + SwPagePreviewLayout* pPagePreviewLay = GetViewShell()->PagePreviewLayout(); + + while(nWhich) + { + switch(nWhich) + { + case SID_BROWSER_MODE: + case FN_PRINT_LAYOUT: + rSet.DisableItem(nWhich); + break; + case FN_START_OF_DOCUMENT: + { + if ( pPagePreviewLay->IsPageVisible( 1 ) ) + rSet.DisableItem(nWhich); + break; + } + case FN_END_OF_DOCUMENT: + { + if ( pPagePreviewLay->IsPageVisible( mnPageCount ) ) + rSet.DisableItem(nWhich); + break; + } + case FN_PAGEUP: + { + if( pPagePreviewLay->GetWinPagesScrollAmount( -1 ) == 0 ) + rSet.DisableItem(nWhich); + break; + } + case FN_PAGEDOWN: + { + if( pPagePreviewLay->GetWinPagesScrollAmount( 1 ) == 0 ) + rSet.DisableItem(nWhich); + break; + } + + case FN_STAT_PAGE: + { + OUString aStr = m_sPageStr + m_pViewWin->GetStatusStr( mnPageCount ); + rSet.Put( SfxStringItem( nWhich, aStr) ); + } + break; + + case SID_ATTR_ZOOM: + case FN_STAT_ZOOM: + { + const SwViewOption* pVOpt = GetViewShell()->GetViewOptions(); + SvxZoomItem aZoom(pVOpt->GetZoomType(), pVOpt->GetZoom()); + aZoom.SetValueSet( + SvxZoomEnableFlags::N50| + SvxZoomEnableFlags::N75| + SvxZoomEnableFlags::N100| + SvxZoomEnableFlags::N150| + SvxZoomEnableFlags::N200); + rSet.Put( aZoom ); + } + break; + case SID_ATTR_ZOOMSLIDER : + { + const SwViewOption* pVOpt = GetViewShell()->GetViewOptions(); + const sal_uInt16 nCurrentZoom = pVOpt->GetZoom(); + SvxZoomSliderItem aZoomSliderItem( nCurrentZoom, MINZOOM, MAXZOOM ); + aZoomSliderItem.AddSnappingPoint( 100 ); + rSet.Put( aZoomSliderItem ); + } + break; + case FN_PREVIEW_ZOOM: + { + const SwViewOption* pVOpt = GetViewShell()->GetViewOptions(); + rSet.Put(SfxUInt16Item(nWhich, pVOpt->GetZoom())); + } + break; + case SID_ZOOM_IN: + case SID_ZOOM_OUT: + { + const SwViewOption* pVOpt = GetViewShell()->GetViewOptions(); + if((SID_ZOOM_OUT == nWhich && pVOpt->GetZoom() >= MAX_PREVIEW_ZOOM)|| + (SID_ZOOM_IN == nWhich && pVOpt->GetZoom() <= MIN_PREVIEW_ZOOM)) + { + rSet.DisableItem(nWhich); + } + } + break; + case FN_SHOW_MULTIPLE_PAGES: + // should never be disabled + break; + case FN_SHOW_BOOKVIEW: + { + bool b = GetViewShell()->GetViewOptions()->IsPagePrevBookview(); + rSet.Put(SfxBoolItem(nWhich, b)); + } + break; + + case FN_SHOW_TWO_PAGES: + if( 2 == m_pViewWin->GetCol() && 1 == m_pViewWin->GetRow() ) + rSet.DisableItem( nWhich ); + break; + + case FN_PRINT_PAGEPREVIEW: + // has the same status like the normal printing + { + const SfxPoolItem* pItem; + SfxItemSet aSet( *rSet.GetPool(), svl::Items<SID_PRINTDOC, SID_PRINTDOC>{} ); + GetSlotState( SID_PRINTDOC, SfxViewShell::GetInterface(), &aSet ); + if( SfxItemState::DISABLED == aSet.GetItemState( SID_PRINTDOC, + false, &pItem )) + rSet.DisableItem( nWhich ); + else if( SfxItemState::SET == aSet.GetItemState( SID_PRINTDOC, + false, &pItem )) + { + const_cast<SfxPoolItem*>(pItem)->SetWhich( FN_PRINT_PAGEPREVIEW ); + rSet.Put( *pItem ); + } + } + break; + + case SID_PRINTPREVIEW: + rSet.Put( SfxBoolItem( nWhich, true ) ); + break; + + case SID_PRINTDOC: + case SID_PRINTDOCDIRECT: + GetSlotState( nWhich, SfxViewShell::GetInterface(), &rSet ); + break; + } + nWhich = aIter.NextWhich(); + } +} + +void SwPagePreview::StateUndo(SfxItemSet& rSet) +{ + SfxWhichIter aIter(rSet); + sal_uInt16 nWhich = aIter.FirstWhich(); + + while (nWhich) + { + rSet.DisableItem(nWhich); + nWhich = aIter.NextWhich(); + } +} + +void SwPagePreview::Init() +{ + if ( GetViewShell()->HasDrawView() ) + GetViewShell()->GetDrawView()->SetAnimationEnabled( false ); + + m_bNormalPrint = true; + + // Check and process the DocSize. The shell could not be found via + // the handler, because the shell is unknown to the SFX management + // within the CTOR phase. + + const SwViewOption * pPrefs = SW_MOD()->GetUsrPref(false); + + mbHScrollbarEnabled = pPrefs->IsViewHScrollBar(); + mbVScrollbarEnabled = pPrefs->IsViewVScrollBar(); + + // Update the fields + // ATTENTION: Do cast the EditShell up, to use the SS. + // At the methods the current shell will be queried! + SwEditShell* pESh = dynamic_cast<SwEditShell*>(GetViewShell()); + bool bIsModified = pESh != nullptr && pESh->IsModified(); + + SwViewOption aOpt( *pPrefs ); + aOpt.SetPagePreview(true); + aOpt.SetTab( false ); + aOpt.SetBlank( false ); + aOpt.SetHardBlank( false ); + aOpt.SetParagraph( false ); + aOpt.SetLineBreak( false ); + aOpt.SetPageBreak( false ); + aOpt.SetColumnBreak( false ); + aOpt.SetSoftHyph( false ); + aOpt.SetFieldName( false ); + aOpt.SetPostIts( false ); + aOpt.SetShowBookmarks( false ); + aOpt.SetShowHiddenChar( false ); + aOpt.SetShowHiddenField( false ); + aOpt.SetShowHiddenPara( false ); + aOpt.SetViewHRuler( false ); + aOpt.SetViewVRuler( false ); + aOpt.SetGraphic( true ); + aOpt.SetTable( true ); + aOpt.SetSnap( false ); + aOpt.SetGridVisible( false ); + aOpt.SetOnlineSpell( false ); + aOpt.SetHideWhitespaceMode( false ); + + GetViewShell()->ApplyViewOptions( aOpt ); + GetViewShell()->ApplyAccessibilityOptions(SW_MOD()->GetAccessibilityOptions()); + + // adjust view shell option to the same as for print + SwPrintData const aPrintOptions = *SW_MOD()->GetPrtOptions(false); + GetViewShell()->AdjustOptionsForPagePreview( aPrintOptions ); + + GetViewShell()->CalcLayout(); + DocSzChgd( GetViewShell()->GetDocSize() ); + + if( !bIsModified && pESh != nullptr ) + pESh->ResetModified(); +} + +SwPagePreview::SwPagePreview(SfxViewFrame *pViewFrame, SfxViewShell* pOldSh): + SfxViewShell( pViewFrame, SWVIEWFLAGS ), + m_pViewWin( VclPtr<SwPagePreviewWin>::Create(&GetViewFrame()->GetWindow(), *this ) ), + m_nNewPage(USHRT_MAX), + m_sPageStr(SwResId(STR_PAGE)), + m_pHScrollbar(nullptr), + m_pVScrollbar(nullptr), + m_pScrollFill(VclPtr<ScrollBarBox>::Create( &pViewFrame->GetWindow(), WB_SIZEABLE )), + mnPageCount( 0 ), + mbResetFormDesignMode( false ), + mbFormDesignModeToReset( false ) +{ + SetName("PageView"); + SetWindow( m_pViewWin ); + CreateScrollbar( true ); + CreateScrollbar( false ); + + //notify notebookbar change in context + SfxShell::SetContextBroadcasterEnabled(true); + SfxShell::SetContextName(vcl::EnumContext::GetContextName(vcl::EnumContext::Context::Printpreview)); + SfxShell::BroadcastContextForActivation(true); + //removelisteners for notebookbar + if (auto& pBar = SfxViewFrame::Current()->GetWindow().GetSystemWindow()->GetNotebookBar()) + pBar->ControlListenerForCurrentController(false); + + SfxObjectShell* pObjShell = pViewFrame->GetObjectShell(); + if ( !pOldSh ) + { + // Exists already a view on the document? + SfxViewFrame *pF = SfxViewFrame::GetFirst( pObjShell ); + if ( pF == pViewFrame ) + pF = SfxViewFrame::GetNext( *pF, pObjShell ); + if ( pF ) + pOldSh = pF->GetViewShell(); + } + + SwViewShell *pVS, *pNew; + + if (SwPagePreview* pPagePreview = dynamic_cast<SwPagePreview*>(pOldSh)) + pVS = pPagePreview->GetViewShell(); + else + { + if (SwView* pView = dynamic_cast<SwView *>(pOldSh)) + { + pVS = pView->GetWrtShellPtr(); + // save the current ViewData of the previous SwView + pOldSh->WriteUserData( m_sSwViewData ); + } + else + pVS = GetDocShell()->GetWrtShell(); + if( pVS ) + { + // Set the current page as the first. + sal_uInt16 nPhysPg, nVirtPg; + static_cast<SwCursorShell*>(pVS)->GetPageNum( nPhysPg, nVirtPg, true, false ); + if( 1 != m_pViewWin->GetCol() && 1 == nPhysPg ) + --nPhysPg; + m_pViewWin->SetSttPage( nPhysPg ); + } + } + + // for form shell remember design mode of draw view + // of previous view shell + if ( pVS && pVS->HasDrawView() ) + { + mbResetFormDesignMode = true; + mbFormDesignModeToReset = pVS->GetDrawView()->IsDesignMode(); + } + + if( pVS ) + pNew = new SwViewShell( *pVS, m_pViewWin, nullptr, VSHELLFLAG_ISPREVIEW ); + else + pNew = new SwViewShell( + *static_cast<SwDocShell*>(pViewFrame->GetObjectShell())->GetDoc(), + m_pViewWin, nullptr, nullptr, VSHELLFLAG_ISPREVIEW ); + + m_pViewWin->SetViewShell( pNew ); + pNew->SetSfxViewShell( this ); + Init(); +} + +SwPagePreview::~SwPagePreview() +{ + SetWindow( nullptr ); + SwViewShell* pVShell = m_pViewWin->GetViewShell(); + pVShell->SetWin(nullptr); + delete pVShell; + + m_pViewWin.disposeAndClear(); + if (SfxViewFrame* pCurrent = SfxViewFrame::Current()) + if (auto& pBar = pCurrent->GetWindow().GetSystemWindow()->GetNotebookBar()) + pBar->ControlListenerForCurrentController(true); // start listening now + m_pScrollFill.disposeAndClear(); + m_pHScrollbar.disposeAndClear(); + m_pVScrollbar.disposeAndClear(); +} + +SwDocShell* SwPagePreview::GetDocShell() +{ + return dynamic_cast<SwDocShell*>( GetViewFrame()->GetObjectShell() ); +} + +void SwPagePreview::CreateScrollbar( bool bHori ) +{ + vcl::Window *pMDI = &GetViewFrame()->GetWindow(); + VclPtr<SwScrollbar>& ppScrollbar = bHori ? m_pHScrollbar : m_pVScrollbar; + + assert(!ppScrollbar); //check beforehand! + + ppScrollbar = VclPtr<SwScrollbar>::Create( pMDI, bHori ); + + ScrollDocSzChg(); + ppScrollbar->EnableDrag(); + ppScrollbar->SetEndScrollHdl( LINK( this, SwPagePreview, EndScrollHdl )); + + ppScrollbar->SetScrollHdl( LINK( this, SwPagePreview, ScrollHdl )); + + InvalidateBorder(); + ppScrollbar->ExtendedShow(); +} + +bool SwPagePreview::ChgPage( int eMvMode, bool bUpdateScrollbar ) +{ + tools::Rectangle aPixVisArea( m_pViewWin->LogicToPixel( m_aVisArea ) ); + bool bChg = m_pViewWin->MovePage( eMvMode ) || + eMvMode == SwPagePreviewWin::MV_CALC || + eMvMode == SwPagePreviewWin::MV_NEWWINSIZE; + m_aVisArea = m_pViewWin->PixelToLogic( aPixVisArea ); + + if( bChg ) + { + // Update statusbar + OUString aStr = m_sPageStr + m_pViewWin->GetStatusStr( mnPageCount ); + SfxBindings& rBindings = GetViewFrame()->GetBindings(); + + if( bUpdateScrollbar ) + { + ScrollViewSzChg(); + + static sal_uInt16 aInval[] = + { + FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, + FN_PAGEUP, FN_PAGEDOWN, 0 + }; + rBindings.Invalidate( aInval ); + } + rBindings.SetState( SfxStringItem( FN_STAT_PAGE, aStr ) ); + } + return bChg; +} + +// From here, everything was taken from the SwView. +void SwPagePreview::CalcAndSetBorderPixel( SvBorder &rToFill ) +{ + const StyleSettings &rSet = m_pViewWin->GetSettings().GetStyleSettings(); + const long nTmp = rSet.GetScrollBarSize(); + if ( m_pVScrollbar->IsVisible( true ) ) + rToFill.Right() = nTmp; + if ( m_pHScrollbar->IsVisible( true ) ) + rToFill.Bottom() = nTmp; + SetBorderPixel( rToFill ); +} + +void SwPagePreview::InnerResizePixel( const Point &rOfst, const Size &rSize, bool ) +{ + SvBorder aBorder; + CalcAndSetBorderPixel( aBorder ); + tools::Rectangle aRect( rOfst, rSize ); + aRect += aBorder; + ViewResizePixel( *m_pViewWin, aRect.TopLeft(), aRect.GetSize(), + m_pViewWin->GetOutputSizePixel(), + *m_pVScrollbar, *m_pHScrollbar, *m_pScrollFill ); + + // Never set EditWin ! + // Never set VisArea ! +} + +void SwPagePreview::OuterResizePixel( const Point &rOfst, const Size &rSize ) +{ + SvBorder aBorder; + CalcAndSetBorderPixel( aBorder ); + + // Never set EditWin ! + + Size aTmpSize( m_pViewWin->GetOutputSizePixel() ); + Point aBottomRight( m_pViewWin->PixelToLogic( Point( aTmpSize.Width(), aTmpSize.Height() ) ) ); + SetVisArea( tools::Rectangle( Point(), aBottomRight ) ); + + // Call of the DocSzChgd-Method of the scrollbars is necessary, + // because from the maximum scroll range half the height of the + // VisArea is always deducted. + if ( m_pVScrollbar && !aTmpSize.IsEmpty() ) + { + ScrollDocSzChg(); + } + + SvBorder aBorderNew; + CalcAndSetBorderPixel( aBorderNew ); + ViewResizePixel( *m_pViewWin, rOfst, rSize, m_pViewWin->GetOutputSizePixel(), + *m_pVScrollbar, *m_pHScrollbar, *m_pScrollFill ); +} + +void SwPagePreview::SetVisArea( const tools::Rectangle &rRect ) +{ + const Point aTopLeft(AlignToPixel(rRect.TopLeft())); + const Point aBottomRight(AlignToPixel(rRect.BottomRight())); + tools::Rectangle aLR(aTopLeft,aBottomRight); + + if(aLR == m_aVisArea) + return; + // No negative position, no negative size + + if(aLR.Top() < 0) + { + aLR.AdjustBottom(std::abs(aLR.Top()) ); + aLR.SetTop( 0 ); + } + + if(aLR.Left() < 0) + { + aLR.AdjustRight(std::abs(aLR.Left()) ); + aLR.SetLeft( 0 ); + } + if(aLR.Right() < 0) aLR.SetRight( 0 ); + if(aLR.Bottom() < 0) aLR.SetBottom( 0 ); + if(aLR == m_aVisArea || + // Ignore empty rectangle + ( 0 == aLR.Bottom() - aLR.Top() && 0 == aLR.Right() - aLR.Left() ) ) + return; + + if( aLR.Left() > aLR.Right() || aLR.Top() > aLR.Bottom() ) + return; + + // Before the data can be changed call an update if necessary. + // Thereby ensured, that adjacent paints are correctly converted into + // document coordinates. + // As a precaution, we do this only when at the shell runs an action, + // because then we do not really paint but the rectangles are just + // bookmarked (in document coordinates). + if( GetViewShell()->ActionPend() ) + m_pViewWin->PaintImmediately(); + + // Set at View-Win the current size + m_aVisArea = aLR; + m_pViewWin->SetWinSize( aLR.GetSize() ); + ChgPage( SwPagePreviewWin::MV_NEWWINSIZE ); + + m_pViewWin->Invalidate(); +} + +IMPL_LINK( SwPagePreview, ScrollHdl, ScrollBar *, p, void ) +{ + SwScrollbar* pScrollbar = static_cast<SwScrollbar*>(p); + if(!GetViewShell()) + return; + if( !pScrollbar->IsHoriScroll() && + pScrollbar->GetType() == ScrollType::Drag && + Help::IsQuickHelpEnabled() && + GetViewShell()->PagePreviewLayout()->DoesPreviewLayoutRowsFitIntoWindow()) + { + // Scroll how many pages?? + OUString sStateStr(m_sPageStr); + long nThmbPos = pScrollbar->GetThumbPos(); + if( 1 == m_pViewWin->GetCol() || !nThmbPos ) + ++nThmbPos; + sStateStr += OUString::number( nThmbPos ); + Point aPos = pScrollbar->GetParent()->OutputToScreenPixel( + pScrollbar->GetPosPixel()); + aPos.setY( pScrollbar->OutputToScreenPixel(pScrollbar->GetPointerPosPixel()).Y() ); + tools::Rectangle aRect; + aRect.SetLeft( aPos.X() -8 ); + aRect.SetRight( aRect.Left() ); + aRect.SetTop( aPos.Y() ); + aRect.SetBottom( aRect.Top() ); + + Help::ShowQuickHelp(pScrollbar, aRect, sStateStr, + QuickHelpFlags::Right|QuickHelpFlags::VCenter); + + } + else + EndScrollHdl( pScrollbar ); +} + +IMPL_LINK( SwPagePreview, EndScrollHdl, ScrollBar *, p, void ) +{ + SwScrollbar* pScrollbar = static_cast<SwScrollbar*>(p); + if(!GetViewShell()) + return; + + // boolean to avoid unnecessary invalidation of the window. + bool bInvalidateWin = true; + + if( !pScrollbar->IsHoriScroll() ) // scroll vertically + { + if ( Help::IsQuickHelpEnabled() ) + Help::ShowQuickHelp(pScrollbar, tools::Rectangle(), OUString()); + if ( GetViewShell()->PagePreviewLayout()->DoesPreviewLayoutRowsFitIntoWindow() ) + { + // Scroll how many pages ?? + const sal_uInt16 nThmbPos = static_cast<sal_uInt16>(pScrollbar->GetThumbPos()); + // adjust to new preview functionality + if( nThmbPos != m_pViewWin->SelectedPage() ) + { + // consider case that page <nThmbPos> + // is already visible + SwPagePreviewLayout* pPagePreviewLay = GetViewShell()->PagePreviewLayout(); + if ( pPagePreviewLay->IsPageVisible( nThmbPos ) ) + { + pPagePreviewLay->MarkNewSelectedPage( nThmbPos ); + // invalidation of window is unnecessary + bInvalidateWin = false; + } + else + { + // consider whether layout columns + // fit or not. + if ( !pPagePreviewLay->DoesPreviewLayoutColsFitIntoWindow() ) + { + m_pViewWin->SetSttPage( nThmbPos ); + m_pViewWin->SetSelectedPage( nThmbPos ); + ChgPage( SwPagePreviewWin::MV_SCROLL, false ); + // update scrollbars + ScrollViewSzChg(); + } + else + { + // correct scroll amount + const sal_Int16 nPageDiff = nThmbPos - m_pViewWin->SelectedPage(); + const sal_uInt16 nVisPages = m_pViewWin->GetRow() * m_pViewWin->GetCol(); + sal_Int16 nWinPagesToScroll = nPageDiff / nVisPages; + if ( nPageDiff % nVisPages ) + { + // decrease/increase number of preview pages to scroll + nPageDiff < 0 ? --nWinPagesToScroll : ++nWinPagesToScroll; + } + m_pViewWin->SetSelectedPage( nThmbPos ); + m_pViewWin->Scroll( 0, pPagePreviewLay->GetWinPagesScrollAmount( nWinPagesToScroll ) ); + } + } + // update accessibility + GetViewShell()->ShowPreviewSelection( nThmbPos ); + } + else + { + // invalidation of window is unnecessary + bInvalidateWin = false; + } + } + else + { + long nThmbPos = pScrollbar->GetThumbPos(); + m_pViewWin->Scroll(0, nThmbPos - m_pViewWin->GetPaintedPreviewDocRect().Top()); + } + } + else + { + long nThmbPos = pScrollbar->GetThumbPos(); + m_pViewWin->Scroll(nThmbPos - m_pViewWin->GetPaintedPreviewDocRect().Left(), 0); + } + // additional invalidate page status. + static sal_uInt16 aInval[] = + { + FN_START_OF_DOCUMENT, FN_END_OF_DOCUMENT, FN_PAGEUP, FN_PAGEDOWN, + FN_STAT_PAGE, 0 + }; + SfxBindings& rBindings = GetViewFrame()->GetBindings(); + rBindings.Invalidate( aInval ); + // control invalidation of window + if ( bInvalidateWin ) + { + m_pViewWin->Invalidate(); + } +} + +Point SwPagePreview::AlignToPixel(const Point &rPt) const +{ + return m_pViewWin->PixelToLogic( m_pViewWin->LogicToPixel( rPt ) ); +} + +void SwPagePreview::DocSzChgd( const Size &rSz ) +{ + if( m_aDocSize == rSz ) + return; + + m_aDocSize = rSz; + + // #i96726# + // Due to the multiple page layout it is needed to trigger recalculation + // of the page preview layout, even if the count of pages is not changing. + mnPageCount = GetViewShell()->GetNumPages(); + + if( m_aVisArea.GetWidth() ) + { + ChgPage( SwPagePreviewWin::MV_CALC ); + ScrollDocSzChg(); + + m_pViewWin->Invalidate(); + } +} + +void SwPagePreview::ScrollViewSzChg() +{ + if(!GetViewShell()) + return ; + + bool bShowVScrollbar = false, bShowHScrollbar = false; + + if(m_pVScrollbar) + { + if(GetViewShell()->PagePreviewLayout()->DoesPreviewLayoutRowsFitIntoWindow()) + { + //vertical scrolling by row + // adjust to new preview functionality + const sal_uInt16 nVisPages = m_pViewWin->GetRow() * m_pViewWin->GetCol(); + + m_pVScrollbar->SetVisibleSize( nVisPages ); + // set selected page as scroll bar position, + // if it is visible. + SwPagePreviewLayout* pPagePreviewLay = GetViewShell()->PagePreviewLayout(); + if ( pPagePreviewLay->IsPageVisible( m_pViewWin->SelectedPage() ) ) + { + m_pVScrollbar->SetThumbPos( m_pViewWin->SelectedPage() ); + } + else + { + m_pVScrollbar->SetThumbPos( m_pViewWin->GetSttPage() ); + } + m_pVScrollbar->SetLineSize( m_pViewWin->GetCol() ); + m_pVScrollbar->SetPageSize( nVisPages ); + // calculate and set scrollbar range + Range aScrollbarRange( 1, mnPageCount ); + // increase range by one, because left-top-corner is left blank. + ++aScrollbarRange.Max(); + // increase range in order to access all pages + aScrollbarRange.Max() += ( nVisPages - 1 ); + m_pVScrollbar->SetRange( aScrollbarRange ); + + bShowVScrollbar = nVisPages < mnPageCount; + } + else //vertical scrolling by pixel + { + const tools::Rectangle& rDocRect = m_pViewWin->GetPaintedPreviewDocRect(); + const Size& rPreviewSize = + GetViewShell()->PagePreviewLayout()->GetPreviewDocSize(); + m_pVScrollbar->SetRangeMax(rPreviewSize.Height()) ; + long nVisHeight = rDocRect.GetHeight(); + m_pVScrollbar->SetVisibleSize( nVisHeight ); + m_pVScrollbar->SetThumbPos( rDocRect.Top() ); + m_pVScrollbar->SetLineSize( nVisHeight / 10 ); + m_pVScrollbar->SetPageSize( nVisHeight / 2 ); + + bShowVScrollbar = true; + } + + if (!mbVScrollbarEnabled) + bShowVScrollbar = false; + + ShowVScrollbar(bShowVScrollbar); + } + if(m_pHScrollbar) + { + const tools::Rectangle& rDocRect = m_pViewWin->GetPaintedPreviewDocRect(); + const Size& rPreviewSize = + GetViewShell()->PagePreviewLayout()->GetPreviewDocSize(); + Range aRange(0,0); + + if(rDocRect.GetWidth() < rPreviewSize.Width()) + { + bShowHScrollbar = true; + + long nVisWidth = rDocRect.GetWidth(); + long nThumb = rDocRect.Left(); + aRange = Range(0, rPreviewSize.Width()); + + m_pHScrollbar->SetRange( aRange ); + m_pHScrollbar->SetVisibleSize( nVisWidth ); + m_pHScrollbar->SetThumbPos( nThumb ); + m_pHScrollbar->SetLineSize( nVisWidth / 10 ); + m_pHScrollbar->SetPageSize( nVisWidth / 2 ); + } + + if (!mbHScrollbarEnabled) + bShowHScrollbar = false; + + ShowHScrollbar(bShowHScrollbar); + } + m_pScrollFill->Show(bShowVScrollbar && bShowHScrollbar); +} + +void SwPagePreview::ScrollDocSzChg() +{ + ScrollViewSzChg(); +} + +// All about printing +SfxPrinter* SwPagePreview::GetPrinter( bool bCreate ) +{ + return m_pViewWin->GetViewShell()->getIDocumentDeviceAccess().getPrinter( bCreate ); +} + +sal_uInt16 SwPagePreview::SetPrinter( SfxPrinter *pNew, SfxPrinterChangeFlags nDiffFlags ) +{ + SwViewShell &rSh = *GetViewShell(); + SfxPrinter* pOld = rSh.getIDocumentDeviceAccess().getPrinter( false ); + if ( pOld && pOld->IsPrinting() ) + return SFX_PRINTERROR_BUSY; + + SwEditShell &rESh = static_cast<SwEditShell&>(rSh); //Buh... + if( ( SfxPrinterChangeFlags::PRINTER | SfxPrinterChangeFlags::JOBSETUP ) & nDiffFlags ) + { + rSh.getIDocumentDeviceAccess().setPrinter( pNew, true, true ); + if( nDiffFlags & SfxPrinterChangeFlags::PRINTER ) + rESh.SetModified(); + } + if ( ( nDiffFlags & SfxPrinterChangeFlags::OPTIONS ) == SfxPrinterChangeFlags::OPTIONS ) + ::SetPrinter( &rSh.getIDocumentDeviceAccess(), pNew, false ); + + const bool bChgOri = bool(nDiffFlags & SfxPrinterChangeFlags::CHG_ORIENTATION); + const bool bChgSize = bool(nDiffFlags & SfxPrinterChangeFlags::CHG_SIZE); + if ( bChgOri || bChgSize ) + { + rESh.StartAllAction(); + if ( bChgOri ) + rSh.ChgAllPageOrientation( pNew->GetOrientation() ); + if ( bChgSize ) + { + Size aSz( SvxPaperInfo::GetPaperSize( pNew ) ); + rSh.ChgAllPageSize( aSz ); + } + if( !m_bNormalPrint ) + m_pViewWin->CalcWish( m_pViewWin->GetRow(), m_pViewWin->GetCol() ); + rESh.SetModified(); + rESh.EndAllAction(); + + static sal_uInt16 aInval[] = + { + SID_ATTR_LONG_ULSPACE, SID_ATTR_LONG_LRSPACE, + SID_RULER_BORDERS, SID_RULER_PAGE_POS, 0 + }; +#if OSL_DEBUG_LEVEL > 0 + { + const sal_uInt16* pPtr = aInval + 1; + do { + OSL_ENSURE( *(pPtr - 1) < *pPtr, "wrong sorting!" ); + } while( *++pPtr ); + } +#endif + + GetViewFrame()->GetBindings().Invalidate(aInval); + } + + return 0; +} + +bool SwPagePreview::HasPrintOptionsPage() const +{ + return true; +} + +std::unique_ptr<SfxTabPage> SwPagePreview::CreatePrintOptionsPage(weld::Container* pPage, weld::DialogController* pController, + const SfxItemSet &rOptions) +{ + return ::CreatePrintOptionsPage(pPage, pController, rOptions, !m_bNormalPrint); +} + +void SwPagePreviewWin::SetViewShell( SwViewShell* pShell ) +{ + mpViewShell = pShell; + if ( mpViewShell && mpViewShell->IsPreview() ) + { + mpPgPreviewLayout = mpViewShell->PagePreviewLayout(); + } +} + +void SwPagePreviewWin::RepaintCoreRect( const SwRect& rRect ) +{ + // #i24183# + if ( mpPgPreviewLayout->PreviewLayoutValid() ) + { + mpPgPreviewLayout->Repaint( tools::Rectangle( rRect.Pos(), rRect.SSize() ) ); + } +} + +/** method to adjust preview to a new zoom factor + + #i19975# also consider zoom type - adding parameter <_eZoomType> +*/ +void SwPagePreviewWin::AdjustPreviewToNewZoom( const sal_uInt16 _nZoomFactor, + const SvxZoomType _eZoomType ) +{ + // #i19975# consider zoom type + if ( _eZoomType == SvxZoomType::WHOLEPAGE ) + { + mnRow = 1; + mnCol = 1; + mpPgPreviewLayout->Init( mnCol, mnRow, maPxWinSize ); + mpPgPreviewLayout->Prepare( mnSttPage, Point(0,0), maPxWinSize, + mnSttPage, maPaintedPreviewDocRect ); + SetSelectedPage( mnSttPage ); + SetPagePreview(mnRow, mnCol); + maScale = GetMapMode().GetScaleX(); + } + else if ( _nZoomFactor != 0 ) + { + // calculate new scaling and set mapping mode appropriately. + Fraction aNewScale( _nZoomFactor, 100 ); + MapMode aNewMapMode = GetMapMode(); + aNewMapMode.SetScaleX( aNewScale ); + aNewMapMode.SetScaleY( aNewScale ); + SetMapMode( aNewMapMode ); + + // calculate new start position for preview paint + Size aNewWinSize = PixelToLogic( maPxWinSize ); + Point aNewPaintStartPos = + mpPgPreviewLayout->GetPreviewStartPosForNewScale( aNewScale, maScale, aNewWinSize ); + + // remember new scaling and prepare preview paint + // Note: paint of preview will be performed by a corresponding invalidate + // due to property changes. + maScale = aNewScale; + mpPgPreviewLayout->Prepare( 0, aNewPaintStartPos, maPxWinSize, + mnSttPage, maPaintedPreviewDocRect ); + } + +} + +/** + * pixel scrolling - horizontally always or vertically + * when less than the desired number of rows fits into + * the view + */ +void SwPagePreviewWin::Scroll(long nXMove, long nYMove, ScrollFlags /*nFlags*/) +{ + maPaintedPreviewDocRect.Move(nXMove, nYMove); + mpPgPreviewLayout->Prepare( 0, maPaintedPreviewDocRect.TopLeft(), + maPxWinSize, mnSttPage, + maPaintedPreviewDocRect ); + +} + +bool SwPagePreview::HandleWheelCommands( const CommandEvent& rCEvt ) +{ + bool bOk = false; + const CommandWheelData* pWData = rCEvt.GetWheelData(); + if( pWData && CommandWheelMode::ZOOM == pWData->GetMode() ) + { + //only the Preference shouldn't control the Zoom, it is better to detect AT tools running. So the bridge can be used here + if (!Application::GetSettings().GetMiscSettings().GetEnableATToolSupport()) + { + sal_uInt16 nFactor = GetViewShell()->GetViewOptions()->GetZoom(); + const sal_uInt16 nOffset = 10; + if( 0L > pWData->GetDelta() ) + { + nFactor -= nOffset; + if(nFactor < MIN_PREVIEW_ZOOM) + nFactor = MIN_PREVIEW_ZOOM; + } + else + { + nFactor += nOffset; + if(nFactor > MAX_PREVIEW_ZOOM) + nFactor = MAX_PREVIEW_ZOOM; + } + SetZoom(SvxZoomType::PERCENT, nFactor); + } + bOk = true; + } + else + bOk = m_pViewWin->HandleScrollCommand( rCEvt, m_pHScrollbar, m_pVScrollbar ); + return bOk; +} + +uno::Reference< css::accessibility::XAccessible > + SwPagePreviewWin::CreateAccessible() +{ + SolarMutexGuard aGuard; // this should have happened already!!! + + OSL_ENSURE( GetViewShell() != nullptr, "We need a view shell" ); + css::uno::Reference< css::accessibility::XAccessible > xAcc = GetAccessible( false ); + if (xAcc.is()) + { + return xAcc; + } + if (mpViewShell) + { + css::uno::Reference< css::accessibility::XAccessible > xAccPreview = mpViewShell->CreateAccessiblePreview(); + SetAccessible(xAccPreview); + } + return GetAccessible( false ); +} + +void SwPagePreview::ApplyAccessibilityOptions(SvtAccessibilityOptions const & rAccessibilityOptions) +{ + GetViewShell()->ApplyAccessibilityOptions(rAccessibilityOptions); +} + +void SwPagePreview::ShowHScrollbar(bool bShow) +{ + m_pHScrollbar->Show(bShow); + InvalidateBorder(); +} + +void SwPagePreview::ShowVScrollbar(bool bShow) +{ + m_pVScrollbar->Show(bShow); + InvalidateBorder(); +} + +void SwPagePreview::EnableHScrollbar(bool bEnable) +{ + if (mbHScrollbarEnabled != bEnable) + { + mbHScrollbarEnabled = bEnable; + ScrollViewSzChg(); + } +} + +void SwPagePreview::EnableVScrollbar(bool bEnable) +{ + if (mbVScrollbarEnabled != bEnable) + { + mbVScrollbarEnabled = bEnable; + ScrollViewSzChg(); + } +} + +void SwPagePreview::SetZoom(SvxZoomType eType, sal_uInt16 nFactor) +{ + SwViewShell& rSh = *GetViewShell(); + SwViewOption aOpt(*rSh.GetViewOptions()); + // perform action only on changes of zoom or zoom type. + if ( aOpt.GetZoom() != nFactor || + aOpt.GetZoomType() != eType ) + { + aOpt.SetZoom(nFactor); + aOpt.SetZoomType(eType); + rSh.ApplyViewOptions( aOpt ); + lcl_InvalidateZoomSlots(GetViewFrame()->GetBindings()); + // #i19975# also consider zoom type + m_pViewWin->AdjustPreviewToNewZoom( nFactor, eType ); + ScrollViewSzChg(); + } +} + +/** adjust position of vertical scrollbar */ +void SwPagePreview::SetVScrollbarThumbPos( const sal_uInt16 _nNewThumbPos ) +{ + if ( m_pVScrollbar ) + { + m_pVScrollbar->SetThumbPos( _nNewThumbPos ); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |