Files
libreoffice/sw/source/core/view/viewimp.cxx
Philipp Riemer c1d5e765db work on comments in sw/source/core/view
Change-Id: I3934487475df1da7fe6cf68656c4c38881d1a394
2013-05-05 20:33:18 +02:00

476 lines
15 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 <tools/shl.hxx>
#include <swmodule.hxx>
#include <svx/svdpage.hxx>
#include <accmap.hxx>
// OD 12.12.2002 #103492#
#include <pagepreviewlayout.hxx>
#include <comcore.hrc>
#include <svx/svdundo.hxx>
#include <IDocumentLayoutAccess.hxx>
#include <IDocumentDrawModelAccess.hxx>
#include <IDocumentDeviceAccess.hxx>
#include <IDocumentSettingAccess.hxx>
void SwViewImp::Init( const SwViewOption *pNewOpt )
{
OSL_ENSURE( pDrawView, "SwViewImp::Init without DrawView" );
//Create PageView if it doesn't exist
SwRootFrm *pRoot = pSh->GetLayout(); //swmod 071108//swmod 071225
if ( !pSdrPageView )
{
IDocumentDrawModelAccess* pIDDMA = pSh->getIDocumentDrawModelAccess();
if ( !pRoot->GetDrawPage() )
pRoot->SetDrawPage( pIDDMA->GetDrawModel()->GetPage( 0 ) );
if ( pRoot->GetDrawPage()->GetSize() != pRoot->Frm().SSize() )
pRoot->GetDrawPage()->SetSize( pRoot->Frm().SSize() );
pSdrPageView = pDrawView->ShowSdrPage( pRoot->GetDrawPage());
// OD 26.06.2003 #108784# - notify drawing page view about invisible
// layers.
pIDDMA->NotifyInvisibleLayers( *pSdrPageView );
}
pDrawView->SetDragStripes( pNewOpt->IsCrossHair() );
pDrawView->SetGridSnap( pNewOpt->IsSnap() );
pDrawView->SetGridVisible( pNewOpt->IsGridVisible() );
const Size &rSz = pNewOpt->GetSnapSize();
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);
pDrawView->SetGridFine( aFSize );
Fraction aSnGrWdtX(rSz.Width(), pNewOpt->GetDivisionX() + 1);
Fraction aSnGrWdtY(rSz.Height(), pNewOpt->GetDivisionY() + 1);
pDrawView->SetSnapGridWidth( aSnGrWdtX, aSnGrWdtY );
if ( pRoot->Frm().HasArea() )
pDrawView->SetWorkArea( pRoot->Frm().SVRect() );
if ( GetShell()->IsPreView() )
pDrawView->SetAnimationEnabled( sal_False );
pDrawView->SetUseIncompatiblePathCreateInterface( sal_False );
// set handle size to 9 pixels, always
pDrawView->SetMarkHdlSizePixel(9);
}
/// CTor for the core internals
SwViewImp::SwViewImp( ViewShell *pParent ) :
pSh( pParent ),
pDrawView( 0 ),
pSdrPageView( 0 ),
pFirstVisPage( 0 ),
pRegion( 0 ),
pLayAct( 0 ),
pIdleAct( 0 ),
pAccMap( 0 ),
pSdrObjCached(NULL),
nRestoreActions( 0 ),
// OD 12.12.2002 #103492#
mpPgPrevwLayout( 0 )
{
bResetHdlHiddenPaint =
bSmoothUpdate = bStopSmooth = bStopPrt = sal_False;
bFirstPageInvalid = sal_True;
}
SwViewImp::~SwViewImp()
{
delete pAccMap;
// OD 12.12.2002 #103492#
delete mpPgPrevwLayout;
//JP 29.03.96: after ShowSdrPage HideSdrPage must also be executed!!!
if( pDrawView )
pDrawView->HideSdrPage();
delete pDrawView;
DelRegion();
OSL_ENSURE( !pLayAct, "Have action for the rest of your life." );
OSL_ENSURE( !pIdleAct,"Be idle for the rest of your life." );
}
void SwViewImp::DelRegion()
{
DELETEZ(pRegion);
}
sal_Bool SwViewImp::AddPaintRect( const SwRect &rRect )
{
if ( rRect.IsOver( pSh->VisArea() ) )
{
if ( !pRegion )
pRegion = new SwRegionRects( pSh->VisArea() );
(*pRegion) -= rRect;
return sal_True;
}
return sal_False;
}
void SwViewImp::CheckWaitCrsr()
{
if ( pLayAct )
pLayAct->CheckWaitCrsr();
}
sal_Bool SwViewImp::IsCalcLayoutProgress() const
{
if ( pLayAct )
return pLayAct->IsCalcLayout();
return sal_False;
}
sal_Bool SwViewImp::IsUpdateExpFlds()
{
if ( pLayAct && pLayAct->IsCalcLayout() )
{
pLayAct->SetUpdateExpFlds();
return sal_True;
}
return sal_False;
}
void SwViewImp::SetFirstVisPage()
{
if ( pSh->mbDocSizeChgd && pSh->VisArea().Top() > pSh->GetLayout()->Frm().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.
pFirstVisPage = (SwPageFrm*)pSh->GetLayout()->Lower();
while ( pFirstVisPage && pFirstVisPage->GetNext() )
pFirstVisPage = (SwPageFrm*)pFirstVisPage->GetNext();
}
else
{
const SwViewOption* pSwViewOption = GetShell()->GetViewOptions();
const bool bBookMode = pSwViewOption->IsViewLayoutBookMode();
SwPageFrm *pPage = (SwPageFrm*)pSh->GetLayout()->Lower();
SwRect aPageRect = pPage->GetBoundRect();
while ( pPage && !aPageRect.IsOver( pSh->VisArea() ) )
{
pPage = (SwPageFrm*)pPage->GetNext();
if ( pPage )
{
aPageRect = pPage->GetBoundRect();
if ( bBookMode && pPage->IsEmptyPage() )
{
const SwPageFrm& rFormatPage = pPage->GetFormatPage();
aPageRect.SSize() = rFormatPage.GetBoundRect().SSize();
}
}
}
pFirstVisPage = pPage ? pPage : (SwPageFrm*)pSh->GetLayout()->Lower();
}
bFirstPageInvalid = sal_False;
}
void SwViewImp::MakeDrawView()
{
IDocumentDrawModelAccess* pIDDMA = 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( !pIDDMA->GetDrawModel() )
{
pIDDMA->_MakeDrawModel();
}
else
{
if ( !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();
}
pDrawView = new SwDrawView( *this, pIDDMA->GetDrawModel(), pOutDevForDrawView);
}
GetDrawView()->SetActiveLayer(OUString("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(pDrawView && pDrawView->IsBufferedOverlayAllowed())
{
if(pSwViewOption->IsReadonly())
{
pDrawView->SetBufferedOverlayAllowed(false);
}
}
}
}
Color SwViewImp::GetRetoucheColor() const
{
Color aRet( COL_TRANSPARENT );
const ViewShell &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;
}
// create page preview layout
void SwViewImp::InitPagePreviewLayout()
{
OSL_ENSURE( pSh->GetLayout(), "no layout - page preview layout can not be created.");
if ( pSh->GetLayout() )
mpPgPrevwLayout = new SwPagePreviewLayout( *pSh, *(pSh->GetLayout()) );
}
void SwViewImp::UpdateAccessible()
{
// We require a layout and an XModel to be accessible.
IDocumentLayoutAccess* pIDLA = GetShell()->getIDocumentLayoutAccess();
Window *pWin = GetShell()->GetWin();
OSL_ENSURE( GetShell()->GetLayout(), "no layout, no access" ); //swmod 071108//swmod 071225
OSL_ENSURE( pWin, "no window, no access" );
if( IsAccessible() && pIDLA->GetCurrentViewShell() && pWin ) //swmod 071108//swmod 071225
GetAccessibleMap().GetDocumentView();
}
void SwViewImp::DisposeAccessible( const SwFrm *pFrm,
const SdrObject *pObj,
sal_Bool bRecursive )
{
OSL_ENSURE( !pFrm || pFrm->IsAccessibleFrm(), "frame is not accessible" );
ViewShell *pVSh = GetShell();
ViewShell *pTmp = pVSh;
do
{
if( pTmp->Imp()->IsAccessible() )
pTmp->Imp()->GetAccessibleMap().Dispose( pFrm, pObj, 0, bRecursive );
pTmp = (ViewShell *)pTmp->GetNext();
} while ( pTmp != pVSh );
}
void SwViewImp::MoveAccessible( const SwFrm *pFrm, const SdrObject *pObj,
const SwRect& rOldFrm )
{
OSL_ENSURE( !pFrm || pFrm->IsAccessibleFrm(), "frame is not accessible" );
ViewShell *pVSh = GetShell();
ViewShell *pTmp = pVSh;
do
{
if( pTmp->Imp()->IsAccessible() )
pTmp->Imp()->GetAccessibleMap().InvalidatePosOrSize( pFrm, pObj, 0,
rOldFrm );
pTmp = (ViewShell *)pTmp->GetNext();
} while ( pTmp != pVSh );
}
void SwViewImp::InvalidateAccessibleFrmContent( const SwFrm *pFrm )
{
OSL_ENSURE( pFrm->IsAccessibleFrm(), "frame is not accessible" );
ViewShell *pVSh = GetShell();
ViewShell *pTmp = pVSh;
do
{
if( pTmp->Imp()->IsAccessible() )
pTmp->Imp()->GetAccessibleMap().InvalidateContent( pFrm );
pTmp = (ViewShell *)pTmp->GetNext();
} while ( pTmp != pVSh );
}
void SwViewImp::InvalidateAccessibleCursorPosition( const SwFrm *pFrm )
{
if( IsAccessible() )
GetAccessibleMap().InvalidateCursorPosition( pFrm );
}
void SwViewImp::InvalidateAccessibleEditableState( sal_Bool bAllShells,
const SwFrm *pFrm )
{
if( bAllShells )
{
ViewShell *pVSh = GetShell();
ViewShell *pTmp = pVSh;
do
{
if( pTmp->Imp()->IsAccessible() )
pTmp->Imp()->GetAccessibleMap().InvalidateStates( ACC_STATE_EDITABLE, pFrm );
pTmp = (ViewShell *)pTmp->GetNext();
} while ( pTmp != pVSh );
}
else if( IsAccessible() )
{
GetAccessibleMap().InvalidateStates( ACC_STATE_EDITABLE, pFrm );
}
}
void SwViewImp::InvalidateAccessibleRelationSet( const SwFlyFrm *pMaster,
const SwFlyFrm *pFollow )
{
ViewShell *pVSh = GetShell();
ViewShell *pTmp = pVSh;
do
{
if( pTmp->Imp()->IsAccessible() )
pTmp->Imp()->GetAccessibleMap().InvalidateRelationSet( pMaster,
pFollow );
pTmp = (ViewShell *)pTmp->GetNext();
} while ( pTmp != pVSh );
}
/// invalidate CONTENT_FLOWS_FROM/_TO relation for paragraphs
void SwViewImp::_InvalidateAccessibleParaFlowRelation( const SwTxtFrm* _pFromTxtFrm,
const SwTxtFrm* _pToTxtFrm )
{
if ( !_pFromTxtFrm && !_pToTxtFrm )
{
// No text frame provided. Thus, nothing to do.
return;
}
ViewShell* pVSh = GetShell();
ViewShell* pTmp = pVSh;
do
{
if ( pTmp->Imp()->IsAccessible() )
{
if ( _pFromTxtFrm )
{
pTmp->Imp()->GetAccessibleMap().
InvalidateParaFlowRelation( *_pFromTxtFrm, true );
}
if ( _pToTxtFrm )
{
pTmp->Imp()->GetAccessibleMap().
InvalidateParaFlowRelation( *_pToTxtFrm, false );
}
}
pTmp = (ViewShell *)pTmp->GetNext();
} while ( pTmp != pVSh );
}
/// invalidate text selection for paragraphs
void SwViewImp::_InvalidateAccessibleParaTextSelection()
{
ViewShell* pVSh = GetShell();
ViewShell* pTmp = pVSh;
do
{
if ( pTmp->Imp()->IsAccessible() )
{
pTmp->Imp()->GetAccessibleMap().InvalidateTextSelectionOfAllParas();
}
pTmp = (ViewShell *)pTmp->GetNext();
} while ( pTmp != pVSh );
}
/// invalidate attributes for paragraphs
void SwViewImp::_InvalidateAccessibleParaAttrs( const SwTxtFrm& rTxtFrm )
{
ViewShell* pVSh = GetShell();
ViewShell* pTmp = pVSh;
do
{
if ( pTmp->Imp()->IsAccessible() )
{
pTmp->Imp()->GetAccessibleMap().InvalidateAttr( rTxtFrm );
}
pTmp = (ViewShell *)pTmp->GetNext();
} while ( pTmp != pVSh );
}
// OD 15.01.2003 #103492# - method signature change due to new page preview functionality
void SwViewImp::UpdateAccessiblePreview( const std::vector<PrevwPage*>& _rPrevwPages,
const Fraction& _rScale,
const SwPageFrm* _pSelectedPageFrm,
const Size& _rPrevwWinSize )
{
if( IsAccessible() )
GetAccessibleMap().UpdatePreview( _rPrevwPages, _rScale,
_pSelectedPageFrm, _rPrevwWinSize );
}
void SwViewImp::InvalidateAccessiblePreViewSelection( sal_uInt16 nSelPage )
{
if( IsAccessible() )
GetAccessibleMap().InvalidatePreViewSelection( nSelPage );
}
SwAccessibleMap *SwViewImp::CreateAccessibleMap()
{
OSL_ENSURE( !pAccMap, "accessible map exists" );
pAccMap = new SwAccessibleMap( GetShell() );
return pAccMap;
}
void SwViewImp::FireAccessibleEvents()
{
if( IsAccessible() )
GetAccessibleMap().FireEvents();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */