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Diffstat (limited to 'sw/source/core/view/viewimp.cxx')
| -rw-r--r-- | sw/source/core/view/viewimp.cxx | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/sw/source/core/view/viewimp.cxx b/sw/source/core/view/viewimp.cxx new file mode 100644 index 000000000..f44850d70 --- /dev/null +++ b/sw/source/core/view/viewimp.cxx @@ -0,0 +1,501 @@ +/* -*- 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 <config_wasm_strip.h> + +#include <rootfrm.hxx> +#include <pagefrm.hxx> +#include <viewimp.hxx> +#include <viewopt.hxx> +#include <flyfrm.hxx> +#include <layact.hxx> +#include <dview.hxx> +#include <svx/svdpage.hxx> +#include <accmap.hxx> + +#include <officecfg/Office/Common.hxx> +#include <pagepreviewlayout.hxx> +#include <comphelper/lok.hxx> +#include <tools/diagnose_ex.h> +#include <IDocumentLayoutAccess.hxx> +#include <IDocumentDrawModelAccess.hxx> +#include <drawdoc.hxx> +#include <prevwpage.hxx> + +void SwViewShellImp::Init( const SwViewOption *pNewOpt ) +{ + OSL_ENSURE( m_pDrawView, "SwViewShellImp::Init without DrawView" ); + //Create PageView if it doesn't exist + SwRootFrame *pRoot = m_pShell->GetLayout(); + if ( !m_pSdrPageView ) + { + IDocumentDrawModelAccess& rIDDMA = m_pShell->getIDocumentDrawModelAccess(); + if ( !pRoot->GetDrawPage() ) + pRoot->SetDrawPage( rIDDMA.GetDrawModel()->GetPage( 0 ) ); + + if ( pRoot->GetDrawPage()->GetSize() != pRoot->getFrameArea().SSize() ) + pRoot->GetDrawPage()->SetSize( pRoot->getFrameArea().SSize() ); + + m_pSdrPageView = m_pDrawView->ShowSdrPage( pRoot->GetDrawPage()); + // Notify drawing page view about invisible layers + rIDDMA.NotifyInvisibleLayers( *m_pSdrPageView ); + } + m_pDrawView->SetDragStripes( pNewOpt->IsCrossHair() ); + m_pDrawView->SetGridSnap( pNewOpt->IsSnap() ); + m_pDrawView->SetGridVisible( pNewOpt->IsGridVisible() ); + const Size &rSz = pNewOpt->GetSnapSize(); + m_pDrawView->SetGridCoarse( rSz ); + const Size aFSize + ( rSz.Width() ? rSz.Width() /std::max(short(1),pNewOpt->GetDivisionX()):0, + rSz.Height()? rSz.Height()/std::max(short(1),pNewOpt->GetDivisionY()):0); + m_pDrawView->SetGridFine( aFSize ); + Fraction aSnGrWdtX(rSz.Width(), pNewOpt->GetDivisionX() + 1); + Fraction aSnGrWdtY(rSz.Height(), pNewOpt->GetDivisionY() + 1); + m_pDrawView->SetSnapGridWidth( aSnGrWdtX, aSnGrWdtY ); + + if ( pRoot->getFrameArea().HasArea() ) + m_pDrawView->SetWorkArea( pRoot->getFrameArea().SVRect() ); + + if ( GetShell()->IsPreview() ) + m_pDrawView->SetAnimationEnabled( false ); + + m_pDrawView->SetUseIncompatiblePathCreateInterface( false ); + + // set handle size to 9 pixels, always + m_pDrawView->SetMarkHdlSizePixel(9); +} + +/// CTor for the core internals +SwViewShellImp::SwViewShellImp( SwViewShell *pParent ) : + m_pShell( pParent ), + m_pSdrPageView( nullptr ), + m_pFirstVisiblePage( nullptr ), + m_pLayAction( nullptr ), + m_pIdleAct( nullptr ), + m_bFirstPageInvalid( true ), + m_bResetHdlHiddenPaint( false ), + m_bSmoothUpdate( false ), + m_bStopSmooth( false ), + m_nRestoreActions( 0 ) +{ +} + +SwViewShellImp::~SwViewShellImp() +{ +#if !ENABLE_WASM_STRIP_ACCESSIBILITY + m_pAccessibleMap.reset(); +#endif + + m_pPagePreviewLayout.reset(); + + // Make sure HideSdrPage is also executed after ShowSdrPage. + if( m_pDrawView ) + m_pDrawView->HideSdrPage(); + + m_pDrawView.reset(); + + DeletePaintRegion(); + + OSL_ENSURE( !m_pLayAction, "Have action for the rest of your life." ); + OSL_ENSURE( !m_pIdleAct,"Be idle for the rest of your life." ); +} + +bool SwViewShellImp::AddPaintRect( const SwRect &rRect ) +{ + // In case of tiled rendering the visual area is the last painted tile -> not interesting. + if ( rRect.Overlaps( m_pShell->VisArea() ) || comphelper::LibreOfficeKit::isActive() ) + { + if ( !m_pPaintRegion ) + { + // In case of normal rendering, this makes sure only visible rectangles are painted. + // Otherwise get the rectangle of the full document, so all paint rectangles are invalidated. + const SwRect& rArea = comphelper::LibreOfficeKit::isActive() ? m_pShell->GetLayout()->getFrameArea() : m_pShell->VisArea(); + m_pPaintRegion.reset(new SwRegionRects); + m_pPaintRegion->ChangeOrigin(rArea); + } + if(!m_pPaintRegion->empty()) + { + // This function often gets called with rectangles that line up vertically. + // Try to extend the last one downwards to include the new one (use Union() + // in case the new one is actually already contained in the last one). + SwRect& last = m_pPaintRegion->back(); + if(last.Left() == rRect.Left() && last.Width() == rRect.Width() + && last.Bottom() + 1 >= rRect.Top() && last.Bottom() <= rRect.Bottom()) + { + last.Union(rRect); + // And these rectangles lined up vertically often come up in groups + // that line up horizontally. Try to extend the previous rectangle + // to the right to include the last one. + if(m_pPaintRegion->size() > 1) + { + SwRect& last2 = (*m_pPaintRegion)[m_pPaintRegion->size() - 2]; + if(last2.Top() == last.Top() && last2.Height() == last.Height() + && last2.Right() + 1 >= last.Left() && last2.Right() <= last2.Right()) + { + last2.Union(last); + m_pPaintRegion->pop_back(); + return true; + } + } + return true; + } + } + (*m_pPaintRegion) += rRect; + return true; + } + return false; +} + +void SwViewShellImp::AddPendingLOKInvalidation( const SwRect& rRect ) +{ + // These are often repeated, so check first for duplicates. + std::vector<SwRect>& l = m_pendingLOKInvalidations; + if( std::find( l.begin(), l.end(), rRect ) == l.end()) + l.push_back( rRect ); +} + +std::vector<SwRect> SwViewShellImp::TakePendingLOKInvalidations() +{ + std::vector<SwRect> ret; + std::swap(ret, m_pendingLOKInvalidations); + return ret; +} + +void SwViewShellImp::CheckWaitCursor() +{ + if ( m_pLayAction ) + m_pLayAction->CheckWaitCursor(); +} + +bool SwViewShellImp::IsCalcLayoutProgress() const +{ + return m_pLayAction && m_pLayAction->IsCalcLayout(); +} + +bool SwViewShellImp::IsUpdateExpFields() +{ + if ( m_pLayAction && m_pLayAction->IsCalcLayout() ) + { + m_pLayAction->SetUpdateExpFields(); + return true; + } + return false; +} + +void SwViewShellImp::SetFirstVisPage(OutputDevice const * pRenderContext) +{ + if ( m_pShell->mbDocSizeChgd && m_pShell->VisArea().Top() > m_pShell->GetLayout()->getFrameArea().Height() ) + { + //We are in an action and because of erase actions the VisArea is + //after the first visible page. + //To avoid excessive formatting, hand back the last page. + m_pFirstVisiblePage = static_cast<SwPageFrame*>(m_pShell->GetLayout()->Lower()); + while ( m_pFirstVisiblePage && m_pFirstVisiblePage->GetNext() ) + m_pFirstVisiblePage = static_cast<SwPageFrame*>(m_pFirstVisiblePage->GetNext()); + } + else + { + const SwViewOption* pSwViewOption = GetShell()->GetViewOptions(); + const bool bBookMode = pSwViewOption->IsViewLayoutBookMode(); + + SwPageFrame *pPage = static_cast<SwPageFrame*>(m_pShell->GetLayout()->Lower()); + SwRect aPageRect = pPage->GetBoundRect(pRenderContext); + while ( pPage && !aPageRect.Overlaps( m_pShell->VisArea() ) ) + { + pPage = static_cast<SwPageFrame*>(pPage->GetNext()); + if ( pPage ) + { + aPageRect = pPage->GetBoundRect(pRenderContext); + if ( bBookMode && pPage->IsEmptyPage() ) + { + const SwPageFrame& rFormatPage = pPage->GetFormatPage(); + aPageRect.SSize( rFormatPage.GetBoundRect(pRenderContext).SSize() ); + } + } + } + m_pFirstVisiblePage = pPage ? pPage : static_cast<SwPageFrame*>(m_pShell->GetLayout()->Lower()); + } + m_bFirstPageInvalid = false; +} + +void SwViewShellImp::MakeDrawView() +{ + IDocumentDrawModelAccess& rIDDMA = GetShell()->getIDocumentDrawModelAccess(); + + // the else here is not an error, MakeDrawModel_() calls this method again + // after the DrawModel is created to create DrawViews for all shells... + if( !rIDDMA.GetDrawModel() ) + { + rIDDMA.MakeDrawModel_(); + } + else + { + if ( !m_pDrawView ) + { + // #i72809# + // Discussed with FME, he also thinks that the getPrinter is old and not correct. When i got + // him right, it anyways returns GetOut() when it's a printer, but NULL when not. He suggested + // to use GetOut() and check the existing cases. + // Check worked well. Took a look at viewing, printing, PDF export and print preview with a test + // document which has an empty 2nd page (right page, see bug) + auto pWin = GetShell()->GetWin(); + OutputDevice* pOutDevForDrawView = pWin ? pWin->GetOutDev() : nullptr; + + if(!pOutDevForDrawView) + { + pOutDevForDrawView = GetShell()->GetOut(); + } + + m_pDrawView.reset( new SwDrawView( + *this, + *rIDDMA.GetOrCreateDrawModel(), + pOutDevForDrawView) ); + } + + GetDrawView()->SetActiveLayer("Heaven"); + const SwViewOption* pSwViewOption = GetShell()->GetViewOptions(); + Init(pSwViewOption); + + // #i68597# If document is read-only, we will not profit from overlay, + // so switch it off. + if (m_pDrawView->IsBufferedOverlayAllowed()) + { + if(pSwViewOption->IsReadonly()) + { + m_pDrawView->SetBufferedOverlayAllowed(false); + } + } + } +} + +Color SwViewShellImp::GetRetoucheColor() const +{ + Color aRet( COL_TRANSPARENT ); + const SwViewShell &rSh = *GetShell(); + if ( rSh.GetWin() ) + { + if ( rSh.GetViewOptions()->getBrowseMode() && + COL_TRANSPARENT != rSh.GetViewOptions()->GetRetoucheColor() ) + aRet = rSh.GetViewOptions()->GetRetoucheColor(); + else if(rSh.GetViewOptions()->IsPagePreview() && + !officecfg::Office::Common::Accessibility::IsForPagePreviews::get()) + aRet = COL_WHITE; + else + aRet = SwViewOption::GetDocColor(); + } + return aRet; +} + +SwPageFrame *SwViewShellImp::GetFirstVisPage(OutputDevice const * pRenderContext) +{ + if ( m_bFirstPageInvalid ) + SetFirstVisPage(pRenderContext); + return m_pFirstVisiblePage; +} + +const SwPageFrame *SwViewShellImp::GetFirstVisPage(OutputDevice const * pRenderContext) const +{ + if ( m_bFirstPageInvalid ) + const_cast<SwViewShellImp*>(this)->SetFirstVisPage(pRenderContext); + return m_pFirstVisiblePage; +} + +// create page preview layout +void SwViewShellImp::InitPagePreviewLayout() +{ + OSL_ENSURE( m_pShell->GetLayout(), "no layout - page preview layout can not be created."); + if ( m_pShell->GetLayout() ) + m_pPagePreviewLayout.reset( new SwPagePreviewLayout( *m_pShell, *(m_pShell->GetLayout()) ) ); +} + +#if !ENABLE_WASM_STRIP_ACCESSIBILITY +void SwViewShellImp::UpdateAccessible() +{ + // We require a layout and an XModel to be accessible. + IDocumentLayoutAccess& rIDLA = GetShell()->getIDocumentLayoutAccess(); + vcl::Window *pWin = GetShell()->GetWin(); + OSL_ENSURE( GetShell()->GetLayout(), "no layout, no access" ); + OSL_ENSURE( pWin, "no window, no access" ); + + if( IsAccessible() && rIDLA.GetCurrentViewShell() && pWin ) + { + try + { + GetAccessibleMap().GetDocumentView(); + } + catch (uno::Exception const&) + { + TOOLS_WARN_EXCEPTION("sw.a11y", ""); + assert(!"SwViewShellImp::UpdateAccessible: unhandled exception"); + } + } +} + +void SwViewShellImp::DisposeAccessible(const SwFrame *pFrame, + const SdrObject *pObj, + bool bRecursive, + bool bCanSkipInvisible) +{ + OSL_ENSURE( !pFrame || pFrame->IsAccessibleFrame(), "frame is not accessible" ); + for(SwViewShell& rTmp : GetShell()->GetRingContainer()) + { + if( rTmp.Imp()->IsAccessible() ) + rTmp.Imp()->GetAccessibleMap().A11yDispose( pFrame, pObj, nullptr, bRecursive, bCanSkipInvisible ); + } +} + +void SwViewShellImp::MoveAccessible( const SwFrame *pFrame, const SdrObject *pObj, + const SwRect& rOldFrame ) +{ + OSL_ENSURE( !pFrame || pFrame->IsAccessibleFrame(), "frame is not accessible" ); + for(SwViewShell& rTmp : GetShell()->GetRingContainer()) + { + if( rTmp.Imp()->IsAccessible() ) + rTmp.Imp()->GetAccessibleMap().InvalidatePosOrSize( pFrame, pObj, nullptr, + rOldFrame ); + } +} + +void SwViewShellImp::InvalidateAccessibleFrameContent( const SwFrame *pFrame ) +{ + OSL_ENSURE( pFrame->IsAccessibleFrame(), "frame is not accessible" ); + for(SwViewShell& rTmp : GetShell()->GetRingContainer()) + { + if( rTmp.Imp()->IsAccessible() ) + rTmp.Imp()->GetAccessibleMap().InvalidateContent( pFrame ); + } +} + +void SwViewShellImp::InvalidateAccessibleCursorPosition( const SwFrame *pFrame ) +{ + if( IsAccessible() ) + GetAccessibleMap().InvalidateCursorPosition( pFrame ); +} + +void SwViewShellImp::InvalidateAccessibleEditableState( bool bAllShells, + const SwFrame *pFrame ) +{ + if( bAllShells ) + { + for(SwViewShell& rTmp : GetShell()->GetRingContainer()) + { + if( rTmp.Imp()->IsAccessible() ) + rTmp.Imp()->GetAccessibleMap().InvalidateEditableStates( pFrame ); + } + } + else if( IsAccessible() ) + { + GetAccessibleMap().InvalidateEditableStates( pFrame ); + } +} + +void SwViewShellImp::InvalidateAccessibleRelationSet( const SwFlyFrame *pMaster, + const SwFlyFrame *pFollow ) +{ + for(SwViewShell& rTmp : GetShell()->GetRingContainer()) + { + if( rTmp.Imp()->IsAccessible() ) + rTmp.Imp()->GetAccessibleMap().InvalidateRelationSet( pMaster, + pFollow ); + } +} + +/// invalidate CONTENT_FLOWS_FROM/_TO relation for paragraphs +void SwViewShellImp::InvalidateAccessibleParaFlowRelation_( const SwTextFrame* _pFromTextFrame, + const SwTextFrame* _pToTextFrame ) +{ + if ( !_pFromTextFrame && !_pToTextFrame ) + { + // No text frame provided. Thus, nothing to do. + return; + } + + for(SwViewShell& rTmp : GetShell()->GetRingContainer()) + { + if ( rTmp.Imp()->IsAccessible() ) + { + if ( _pFromTextFrame ) + { + rTmp.Imp()->GetAccessibleMap(). + InvalidateParaFlowRelation( *_pFromTextFrame, true ); + } + if ( _pToTextFrame ) + { + rTmp.Imp()->GetAccessibleMap(). + InvalidateParaFlowRelation( *_pToTextFrame, false ); + } + } + } +} + +/// invalidate text selection for paragraphs +void SwViewShellImp::InvalidateAccessibleParaTextSelection_() +{ + for(SwViewShell& rTmp : GetShell()->GetRingContainer()) + { + if ( rTmp.Imp()->IsAccessible() ) + { + rTmp.Imp()->GetAccessibleMap().InvalidateTextSelectionOfAllParas(); + } + } +} + +/// invalidate attributes for paragraphs +void SwViewShellImp::InvalidateAccessibleParaAttrs_( const SwTextFrame& rTextFrame ) +{ + for(SwViewShell& rTmp : GetShell()->GetRingContainer()) + { + if ( rTmp.Imp()->IsAccessible() ) + { + rTmp.Imp()->GetAccessibleMap().InvalidateAttr( rTextFrame ); + } + } +} + +void SwViewShellImp::UpdateAccessiblePreview( const std::vector<std::unique_ptr<PreviewPage>>& _rPreviewPages, + const Fraction& _rScale, + const SwPageFrame* _pSelectedPageFrame, + const Size& _rPreviewWinSize ) +{ + if( IsAccessible() ) + GetAccessibleMap().UpdatePreview( _rPreviewPages, _rScale, + _pSelectedPageFrame, _rPreviewWinSize ); +} + +void SwViewShellImp::InvalidateAccessiblePreviewSelection( sal_uInt16 nSelPage ) +{ + if( IsAccessible() ) + GetAccessibleMap().InvalidatePreviewSelection( nSelPage ); +} + +SwAccessibleMap *SwViewShellImp::CreateAccessibleMap() +{ + assert(!m_pAccessibleMap); + m_pAccessibleMap = std::make_shared<SwAccessibleMap>(GetShell()); + return m_pAccessibleMap.get(); +} + +void SwViewShellImp::FireAccessibleEvents() +{ + if( IsAccessible() ) + GetAccessibleMap().FireEvents(); +} +#endif // ENABLE_WASM_STRIP_ACCESSIBILITY + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |