Files
libreoffice/sw/source/core/view/viewimp.cxx
Stephan Bergmann 62f47bb2a5 loplugin:includeform: sw
Change-Id: Ifc3c4c31a31ee7189eeab6f1af30b94d64f2f92a
2017-10-23 22:45:50 +02:00

464 lines
16 KiB
C++

/* -*- 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 <crsrsh.hxx>
#include <rootfrm.hxx>
#include <pagefrm.hxx>
#include <viewimp.hxx>
#include <viewopt.hxx>
#include <flyfrm.hxx>
#include <frmfmt.hxx>
#include <layact.hxx>
#include <swregion.hxx>
#include <dflyobj.hxx>
#include <dview.hxx>
#include <swmodule.hxx>
#include <svx/svdpage.hxx>
#include <accmap.hxx>
#include <pagepreviewlayout.hxx>
#include <strings.hrc>
#include <svx/svdundo.hxx>
#include <comphelper/lok.hxx>
#include <IDocumentLayoutAccess.hxx>
#include <IDocumentDrawModelAccess.hxx>
#include <IDocumentDeviceAccess.hxx>
#include <IDocumentSettingAccess.hxx>
#include <drawdoc.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->Frame().SSize() )
pRoot->GetDrawPage()->SetSize( pRoot->Frame().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->Frame().HasArea() )
m_pDrawView->SetWorkArea( pRoot->Frame().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_pDrawView( nullptr ),
m_pSdrPageView( nullptr ),
m_pFirstVisiblePage( nullptr ),
m_pRegion( nullptr ),
m_pLayAction( nullptr ),
m_pIdleAct( nullptr ),
m_pAccessibleMap( nullptr ),
m_bFirstPageInvalid( true ),
m_bResetHdlHiddenPaint( false ),
m_bSmoothUpdate( false ),
m_bStopSmooth( false ),
m_nRestoreActions( 0 ),
m_pPagePreviewLayout( nullptr )
{
}
SwViewShellImp::~SwViewShellImp()
{
m_pAccessibleMap.reset();
delete m_pPagePreviewLayout;
// Make sure HideSdrPage is also executed after ShowSdrPage.
if( m_pDrawView )
m_pDrawView->HideSdrPage();
delete m_pDrawView;
DelRegion();
OSL_ENSURE( !m_pLayAction, "Have action for the rest of your life." );
OSL_ENSURE( !m_pIdleAct,"Be idle for the rest of your life." );
}
void SwViewShellImp::DelRegion()
{
DELETEZ(m_pRegion);
}
bool SwViewShellImp::AddPaintRect( const SwRect &rRect )
{
// In case of tiled rendering the visual area is the last painted tile -> not interesting.
if ( rRect.IsOver( m_pShell->VisArea() ) || comphelper::LibreOfficeKit::isActive() )
{
if ( !m_pRegion )
{
// 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()->Frame() : m_pShell->VisArea();
m_pRegion = new SwRegionRects( rArea );
}
(*m_pRegion) -= rRect;
return true;
}
return false;
}
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()->Frame().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.IsOver( 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)
OutputDevice* pOutDevForDrawView = GetShell()->GetWin();
if(!pOutDevForDrawView)
{
pOutDevForDrawView = GetShell()->GetOut();
}
m_pDrawView = new SwDrawView( *this, rIDDMA.GetDrawModel(), 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().GetColor() )
aRet = rSh.GetViewOptions()->GetRetoucheColor();
else if(rSh.GetViewOptions()->IsPagePreview() &&
!SW_MOD()->GetAccessibilityOptions().GetIsForPagePreviews())
aRet.SetColor(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 = new SwPagePreviewLayout( *m_pShell, *(m_pShell->GetLayout()) );
}
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& e)
{
SAL_WARN("sw.a11y", e);
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<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.reset(new SwAccessibleMap(GetShell()));
return m_pAccessibleMap.get();
}
void SwViewShellImp::FireAccessibleEvents()
{
if( IsAccessible() )
GetAccessibleMap().FireEvents();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */