1
0
Fork 0
libreoffice/sw/source/uibase/wrtsh/move.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

762 lines
22 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 <sfx2/bindings.hxx>
#include <sfx2/viewfrm.hxx>
#include <wrtsh.hxx>
#include <view.hxx>
#include <viewopt.hxx>
#include <drawbase.hxx>
#include <IDocumentDrawModelAccess.hxx>
#include <drawdoc.hxx>
#include <svx/svdpage.hxx>
#include <svx/svdview.hxx>
/**
Always:
- Reset of the cursor stack
- retrigger timer
- if applicable: GCAttr
on selection
- SttSelect()
else
- EndSelect()
*/
const tools::Long nReadOnlyScrollOfst = 10;
namespace {
class ShellMoveCursor
{
SwWrtShell* pSh;
bool bAct;
public:
ShellMoveCursor( SwWrtShell* pWrtSh, bool bSel )
{
bAct = !pWrtSh->ActionPend() && (pWrtSh->GetFrameType(nullptr,false) & FrameTypeFlags::FLY_ANY);
pSh = pWrtSh;
pSh->MoveCursor( bSel );
pWrtSh->GetView().GetViewFrame().GetBindings().Invalidate(SID_HYPERLINK_GETLINK);
}
~ShellMoveCursor() COVERITY_NOEXCEPT_FALSE
{
if( bAct )
{
// The action is used for scrolling in "single paragraph"
// frames with fixed height.
pSh->StartAllAction();
pSh->EndAllAction();
}
}
};
}
void SwWrtShell::MoveCursor( bool bWithSelect )
{
ResetCursorStack();
if ( IsGCAttr() )
{
GCAttr();
ClearGCAttr();
}
if ( bWithSelect )
SttSelect();
else
{
EndSelect();
(this->*m_fnKillSel)( nullptr, false );
}
}
bool SwWrtShell::SimpleMove( FNSimpleMove FnSimpleMove, bool bSelect )
{
bool bRet;
if( bSelect )
{
SttCursorMove();
MoveCursor( true );
bRet = (this->*FnSimpleMove)();
EndCursorMove();
}
else
{
bRet = (this->*FnSimpleMove)();
if( bRet )
MoveCursor();
}
return bRet;
}
bool SwWrtShell::Left( SwCursorSkipMode nMode, bool bSelect,
sal_uInt16 nCount, bool bBasicCall, bool bVisual )
{
if ( !bSelect && !bBasicCall && IsCursorReadonly() && !GetViewOptions()->IsSelectionInReadonly())
{
Point aTmp( VisArea().Pos() );
aTmp.AdjustX( -(VisArea().Width() * nReadOnlyScrollOfst / 100) );
m_rView.SetVisArea( aTmp );
return true;
}
else
{
ShellMoveCursor aTmp( this, bSelect );
return SwCursorShell::Left( nCount, nMode, bVisual );
}
}
bool SwWrtShell::Right( SwCursorSkipMode nMode, bool bSelect,
sal_uInt16 nCount, bool bBasicCall, bool bVisual )
{
if ( !bSelect && !bBasicCall && IsCursorReadonly() && !GetViewOptions()->IsSelectionInReadonly() )
{
Point aTmp( VisArea().Pos() );
aTmp.AdjustX(VisArea().Width() * nReadOnlyScrollOfst / 100 );
aTmp.setX( m_rView.SetHScrollMax( aTmp.X() ) );
m_rView.SetVisArea( aTmp );
return true;
}
else
{
ShellMoveCursor aTmp( this, bSelect );
return SwCursorShell::Right( nCount, nMode, bVisual );
}
}
bool SwWrtShell::Up( bool bSelect, sal_uInt16 nCount, bool bBasicCall )
{
if ( !bSelect && !bBasicCall && IsCursorReadonly() && !GetViewOptions()->IsSelectionInReadonly())
{
Point aTmp( VisArea().Pos() );
aTmp.AdjustY( -(VisArea().Height() * nReadOnlyScrollOfst / 100) );
m_rView.SetVisArea( aTmp );
return true;
}
ShellMoveCursor aTmp( this, bSelect );
return SwCursorShell::Up(nCount);
}
bool SwWrtShell::Down( bool bSelect, sal_uInt16 nCount, bool bBasicCall )
{
if ( !bSelect && !bBasicCall && IsCursorReadonly() && !GetViewOptions()->IsSelectionInReadonly())
{
Point aTmp( VisArea().Pos() );
aTmp.AdjustY(VisArea().Height() * nReadOnlyScrollOfst / 100 );
aTmp.setY( m_rView.SetVScrollMax( aTmp.Y() ) );
m_rView.SetVisArea( aTmp );
return true;
}
ShellMoveCursor aTmp( this, bSelect );
return SwCursorShell::Down(nCount);
}
bool SwWrtShell::LeftMargin( bool bSelect, bool bBasicCall )
{
if ( !bSelect && !bBasicCall && IsCursorReadonly() )
{
Point aTmp( VisArea().Pos() );
aTmp.setX( DOCUMENTBORDER );
m_rView.SetVisArea( aTmp );
return true;
}
else
{
ShellMoveCursor aTmp( this, bSelect );
return SwCursorShell::LeftMargin();
}
}
bool SwWrtShell::RightMargin( bool bSelect, bool bBasicCall )
{
if ( !bSelect && !bBasicCall && IsCursorReadonly() )
{
Point aTmp( VisArea().Pos() );
aTmp.setX( GetDocSize().Width() - VisArea().Width() + DOCUMENTBORDER );
if( DOCUMENTBORDER > aTmp.X() )
aTmp.setX( DOCUMENTBORDER );
m_rView.SetVisArea( aTmp );
return true;
}
else
{
ShellMoveCursor aTmp( this, bSelect );
return SwCursorShell::RightMargin(bBasicCall);
}
}
bool SwWrtShell::GoStart( bool bKeepArea, bool *pMoveTable,
bool bSelect, bool bDontMoveRegion )
{
if ( IsCursorInTable() )
{
const bool bBoxSelection = HasBoxSelection();
if( !m_bBlockMode )
{
if ( !bSelect )
EnterStdMode();
else
SttSelect();
}
// Table cell ?
if ( !bBoxSelection && (MoveSection( GoCurrSection, fnSectionStart)
|| bDontMoveRegion))
{
if ( pMoveTable )
*pMoveTable = false;
return true;
}
SwTableNode const*const pTable(getShellCursor(false)->GetPoint()->GetNode().FindTableNode());
assert(pTable);
if( MoveTable( GotoCurrTable, fnTableStart ) || bDontMoveRegion )
{
if ( pMoveTable )
*pMoveTable = true;
return true;
}
else if (SwCursor const*const pCursor = getShellCursor(false);
pTable->GetNodes()[pTable->GetIndex()+1]->EndOfSectionIndex()
< pCursor->GetPoint()->GetNode().GetIndex()
&& pMoveTable != nullptr // only set by SelAll()
// problem: cursor isn't inside 1st cell, and didn't move there
// workaround: try to move cursor outside of table for SelAll()
&& MoveOutOfTable())
{
assert(!*pMoveTable);
return true;
}
else if( bBoxSelection && pMoveTable )
{
// JP 09.01.96: We have a box selection (or an empty cell)
// and we want select (pMoveTable will be
// set in SelAll). Then the table must not
// be left, otherwise there is no selection
// of the entire table possible!
*pMoveTable = true;
return true;
}
}
if( !m_bBlockMode )
{
if ( !bSelect )
EnterStdMode();
else
SttSelect();
}
const FrameTypeFlags nFrameType = GetFrameType(nullptr,false);
if ( FrameTypeFlags::FLY_ANY & nFrameType )
{
if( MoveSection( GoCurrSection, fnSectionStart ) )
return true;
else if ( FrameTypeFlags::FLY_FREE & nFrameType || bDontMoveRegion )
return false;
}
if(( FrameTypeFlags::HEADER | FrameTypeFlags::FOOTER | FrameTypeFlags::FOOTNOTE ) & nFrameType )
{
if ( MoveSection( GoCurrSection, fnSectionStart ) )
return true;
else if ( bKeepArea )
return true;
}
// first try to move to the start of the current SwSection
return SwCursorShell::MoveRegion( GotoCurrRegionAndSkip, fnRegionStart ) ||
(pMoveTable != nullptr
// move to start of text - if in different table, move out
? MoveStartText()
// TODO who needs SttEndDoc for other case?
: SwCursorShell::SttEndDoc(true));
}
bool SwWrtShell::GoEnd(bool bKeepArea, const bool *pMoveTable)
{
if (pMoveTable && *pMoveTable) // only in SelAll()
{
SwTableNode const*const pTable(getShellCursor(false)->GetPoint()->GetNode().FindTableNode());
assert(pTable);
if (MoveTable(GotoCurrTable, fnTableEnd))
{
return true;
}
else if (SwCursor const*const pCursor = getShellCursor(false);
pCursor->GetPoint()->GetNode().GetIndex()
< pTable->GetNodes()[pTable->EndOfSectionIndex()-1]->StartOfSectionIndex()
// problem: cursor isn't inside 1st cell, and didn't move there
// workaround: try to move cursor outside of table for SelAll()
&& MoveOutOfTable())
{
return true;
}
else
{
return false;
}
}
if ( IsCursorInTable() )
{
if ( MoveSection( GoCurrSection, fnSectionEnd ) ||
MoveTable( GotoCurrTable, fnTableEnd ) )
return true;
}
else
{
const FrameTypeFlags nFrameType = GetFrameType(nullptr,false);
if ( FrameTypeFlags::FLY_ANY & nFrameType )
{
if ( MoveSection( GoCurrSection, fnSectionEnd ) )
return true;
else if ( FrameTypeFlags::FLY_FREE & nFrameType )
return false;
}
if(( FrameTypeFlags::HEADER | FrameTypeFlags::FOOTER | FrameTypeFlags::FOOTNOTE ) & nFrameType )
{
if ( MoveSection( GoCurrSection, fnSectionEnd) )
return true;
else if ( bKeepArea )
return true;
}
}
// Regions ???
return SwCursorShell::MoveRegion( GotoCurrRegionAndSkip, fnRegionEnd ) ||
SwCursorShell::SttEndDoc(false);
}
bool SwWrtShell::StartOfSection(bool const bSelect)
{
ShellMoveCursor aTmp( this, bSelect );
return GoStart(false, nullptr, bSelect );
}
bool SwWrtShell::EndOfSection(bool const bSelect)
{
ShellMoveCursor aTmp( this, bSelect );
return GoEnd();
}
bool SwWrtShell::SttNxtPg( bool bSelect )
{
ShellMoveCursor aTmp( this, bSelect );
return MovePage( GetNextFrame, GetFirstSub );
}
void SwWrtShell::SttPrvPg( bool bSelect )
{
ShellMoveCursor aTmp( this, bSelect );
MovePage( GetPrevFrame, GetFirstSub );
}
void SwWrtShell::EndNxtPg( bool bSelect )
{
ShellMoveCursor aTmp( this, bSelect );
MovePage( GetNextFrame, GetLastSub );
}
bool SwWrtShell::EndPrvPg( bool bSelect )
{
ShellMoveCursor aTmp( this, bSelect );
return MovePage( GetPrevFrame, GetLastSub );
}
bool SwWrtShell::SttPg( bool bSelect )
{
ShellMoveCursor aTmp( this, bSelect );
return MovePage( GetThisFrame, GetFirstSub );
}
bool SwWrtShell::EndPg( bool bSelect )
{
ShellMoveCursor aTmp( this, bSelect );
return MovePage( GetThisFrame, GetLastSub );
}
bool SwWrtShell::SttPara( bool bSelect )
{
ShellMoveCursor aTmp( this, bSelect );
return MovePara( GoCurrPara, fnParaStart );
}
void SwWrtShell::EndPara( bool bSelect )
{
ShellMoveCursor aTmp( this, bSelect );
MovePara(GoCurrPara,fnParaEnd);
}
// Column-by-jumping.
// SSelection with or without
// returns success or failure
void SwWrtShell::StartOfColumn()
{
ShellMoveCursor aTmp( this, false/*bSelect*/);
MoveColumn(GetCurrColumn, GetColumnStt);
}
void SwWrtShell::EndOfColumn()
{
ShellMoveCursor aTmp( this, false/*bSelect*/);
MoveColumn(GetCurrColumn, GetColumnEnd);
}
void SwWrtShell::StartOfNextColumn()
{
ShellMoveCursor aTmp( this, false/*bSelect*/);
MoveColumn( GetNextColumn, GetColumnStt);
}
void SwWrtShell::EndOfNextColumn()
{
ShellMoveCursor aTmp( this, false/*bSelect*/);
MoveColumn(GetNextColumn, GetColumnEnd);
}
void SwWrtShell::StartOfPrevColumn()
{
ShellMoveCursor aTmp( this, false/*bSelect*/);
MoveColumn(GetPrevColumn, GetColumnStt);
}
void SwWrtShell::EndOfPrevColumn()
{
ShellMoveCursor aTmp( this, false/*bSelect*/);
MoveColumn(GetPrevColumn, GetColumnEnd);
}
bool SwWrtShell::PushCursor(SwTwips lOffset, bool bSelect)
{
bool bDiff = false;
SwRect aOldRect( GetCharRect() ), aTmpArea( VisArea() );
// m_bDestOnStack indicates if I could not set the coursor at the current
// position, because in this region is no content.
if( !m_bDestOnStack )
{
Point aPt( aOldRect.Center() );
if( !IsCursorVisible() )
// set CursorPos to top-/bottom left pos. So the pagescroll is not
// be dependent on the current cursor, but on the visarea.
aPt.setY( aTmpArea.Top() + aTmpArea.Height() / 2 );
aPt.AdjustY(lOffset );
m_aDest = GetContentPos(aPt,lOffset > 0);
m_aDest.setX( aPt.X() );
m_bDestOnStack = true;
}
// If we had a frame selection, it must be removed after the m_fnSetCursor
// and we have to remember the position on the stack to return to it later.
bool bIsFrameSel = false;
//Target position is now within the viewable region -->
//Place the cursor at the target position; remember that no target
//position is longer on the stack.
//The new visible region is to be determined beforehand.
aTmpArea.Pos().AdjustY(lOffset );
if( aTmpArea.Contains(m_aDest) )
{
if( bSelect )
SttSelect();
else
EndSelect();
bIsFrameSel = IsFrameSelected();
bool bIsObjSel = 0 != IsObjSelected();
// unselect frame
if( bIsFrameSel || bIsObjSel )
{
UnSelectFrame();
LeaveSelFrameMode();
if ( bIsObjSel )
{
GetView().SetDrawFuncPtr( nullptr );
GetView().LeaveDrawCreate();
}
CallChgLnk();
}
(this->*m_fnSetCursor)( &m_aDest, true );
bDiff = aOldRect != GetCharRect();
if( bIsFrameSel )
{
// In frames take only the upper corner
// so that it can be re-selected.
aOldRect.SSize( 5, 5 );
}
// reset Dest. SPoint Flags
m_bDestOnStack = false;
}
// Position into the stack; bDiff indicates if there is a
// difference between the old and the new cursor position.
m_pCursorStack.reset( new CursorStack( bDiff, bIsFrameSel, aOldRect.Center(),
lOffset, std::move(m_pCursorStack) ) );
return !m_bDestOnStack && bDiff;
}
bool SwWrtShell::PopCursor(bool bUpdate, bool bSelect)
{
if( nullptr == m_pCursorStack)
return false;
const bool bValidPos = m_pCursorStack->bValidCurPos;
if( bUpdate && bValidPos )
{
// If a predecessor is on the stack,
// use the flag for a valid position.
SwRect aTmpArea(VisArea());
aTmpArea.Pos().AdjustY( -(m_pCursorStack->lOffset) );
if( aTmpArea.Contains( m_pCursorStack->aDocPos ) )
{
if( bSelect )
SttSelect();
else
EndSelect();
(this->*m_fnSetCursor)(&m_pCursorStack->aDocPos, !m_pCursorStack->bIsFrameSel);
if( m_pCursorStack->bIsFrameSel && IsObjSelectable(m_pCursorStack->aDocPos))
{
HideCursor();
SelectObj( m_pCursorStack->aDocPos );
EnterSelFrameMode( &m_pCursorStack->aDocPos );
}
}
// If a discrepancy between the visible range and the
// remembered cursor position occurs, all of the remembered
// positions are thrown away.
else
{
ResetCursorStack_();
return false;
}
}
m_pCursorStack = std::move(m_pCursorStack->pNext);
if( nullptr == m_pCursorStack )
{
m_ePageMove = MV_NO;
m_bDestOnStack = false;
}
return bValidPos;
}
// Reset of all pushed cursor positions; these will
// not be displayed ( --> No Start-/EndAction!!)
void SwWrtShell::ResetCursorStack_()
{
while(m_pCursorStack)
m_pCursorStack = std::move(m_pCursorStack->pNext);
m_ePageMove = MV_NO;
m_bDestOnStack = false;
}
/**
if no stack exists --> cancel selection
if stack && change of direction
--> pop cursor and return
else
--> push cursor
transpose cursor
*/
bool SwWrtShell::PageCursor(SwTwips lOffset, bool bSelect)
{
// Do nothing if an offset of 0 was indicated
if(!lOffset) return false;
// Was once used to force a reformat of the layout.
// This has not work that way, because the cursor was not set
// because this does not happen within a
// Start-/EndActionParentheses.
// Because only SwViewShell::EndAction() is called at the end,
// no updating of the display of the cursor position takes place.
// The CursorShell-Actionparentheses cannot be used, because it
// always leads to displaying the cursor, thus also,
// if after the scroll scrolled in a region without a valid position.
// SwViewShell::StartAction();
PageMove eDir = lOffset > 0? MV_PAGE_DOWN: MV_PAGE_UP;
// Change of direction and stack present
if( eDir != m_ePageMove && m_ePageMove != MV_NO && PopCursor( true, bSelect ))
return true;
const bool bRet = PushCursor(lOffset, bSelect);
m_ePageMove = eDir;
return bRet;
}
bool SwWrtShell::GotoPage(sal_uInt16 nPage, bool bRecord)
{
addCurrentPosition();
ShellMoveCursor aTmp( this, false);
if( SwCursorShell::GotoPage(nPage) && bRecord)
{
if(IsSelFrameMode())
{
UnSelectFrame();
LeaveSelFrameMode();
}
return true;
}
return false;
}
bool SwWrtShell::GotoMark( const ::sw::mark::MarkBase* const pMark, bool bSelect )
{
ShellMoveCursor aTmp( this, bSelect );
SwPosition aPos = *GetCursor()->GetPoint();
bool bRet = SwCursorShell::GotoMark( pMark, true/*bStart*/ );
if (bRet)
m_aNavigationMgr.addEntry(aPos);
return bRet;
}
bool SwWrtShell::GotoFly( const OUString& rName, FlyCntType eType, bool bSelFrame )
{
SwPosition aPos = *GetCursor()->GetPoint();
bool bRet = SwFEShell::GotoFly(rName, eType, bSelFrame);
if (bRet)
m_aNavigationMgr.addEntry(aPos);
return bRet;
}
bool SwWrtShell::GotoINetAttr( const SwTextINetFormat& rAttr )
{
SwPosition aPos = *GetCursor()->GetPoint();
bool bRet = SwCursorShell::GotoINetAttr(rAttr);
if (bRet)
m_aNavigationMgr.addEntry(aPos);
return bRet;
}
void SwWrtShell::GotoOutline( SwOutlineNodes::size_type nIdx )
{
addCurrentPosition();
SwCursorShell::GotoOutline (nIdx);
}
bool SwWrtShell::GotoOutline( const OUString& rName )
{
SwPosition aPos = *GetCursor()->GetPoint();
bool bRet = SwCursorShell::GotoOutline (rName);
if (bRet)
m_aNavigationMgr.addEntry(aPos);
return bRet;
}
bool SwWrtShell::GotoDrawingObject(std::u16string_view rName)
{
SwPosition aPos = *GetCursor()->GetPoint();
SdrPage* pPage = getIDocumentDrawModelAccess().GetDrawModel()->GetPage(0);
for (const rtl::Reference<SdrObject>& pObj : *pPage)
{
if (pObj->GetName() == rName)
{
bool bRet = SelectObj(Point(), 0, pObj.get());
if (bRet)
{
m_aNavigationMgr.addEntry(aPos);
EnterSelFrameMode();
}
return bRet;
}
}
return false;
}
bool SwWrtShell::GotoRegion( std::u16string_view rName )
{
SwPosition aPos = *GetCursor()->GetPoint();
bool bRet = SwCursorShell::GotoRegion (rName);
if (bRet)
m_aNavigationMgr.addEntry(aPos);
return bRet;
}
bool SwWrtShell::GotoRefMark( const OUString& rRefMark, sal_uInt16 nSubType,
sal_uInt16 nSeqNo, sal_uInt16 nFlags )
{
SwPosition aPos = *GetCursor()->GetPoint();
bool bRet = SwCursorShell::GotoRefMark(rRefMark, nSubType, nSeqNo, nFlags);
if (bRet)
m_aNavigationMgr.addEntry(aPos);
return bRet;
}
bool SwWrtShell::GotoNextTOXBase( const OUString* pName )
{
SwPosition aPos = *GetCursor()->GetPoint();
bool bRet = SwCursorShell::GotoNextTOXBase(pName);
if (bRet)
m_aNavigationMgr.addEntry(aPos);
return bRet;
}
bool SwWrtShell::GotoTable( const OUString& rName )
{
SwPosition aPos = *GetCursor()->GetPoint();
bool bRet = SwCursorShell::GotoTable(rName);
if (bRet)
m_aNavigationMgr.addEntry(aPos);
return bRet;
}
void SwWrtShell::GotoFormatField( const SwFormatField& rField ) {
SwPosition aPos = *GetCursor()->GetPoint();
bool bRet = SwCursorShell::GotoFormatField(rField);
if (bRet)
m_aNavigationMgr.addEntry(aPos);
}
void SwWrtShell::GotoFootnoteAnchor(const SwTextFootnote& rTextFootnote)
{
SwPosition aPos = *GetCursor()->GetPoint();
bool bRet = SwCursorShell::GotoFootnoteAnchor(rTextFootnote);
if (bRet)
m_aNavigationMgr.addEntry(aPos);
}
const SwRangeRedline* SwWrtShell::GotoRedline( SwRedlineTable::size_type nArrPos, bool bSelect ) {
SwPosition aPos = *GetCursor()->GetPoint();
const SwRangeRedline *pRedline = SwCursorShell::GotoRedline(nArrPos, bSelect);
if (pRedline)
m_aNavigationMgr.addEntry(aPos);
return pRedline;
}
bool SwWrtShell::SelectTextAttr( sal_uInt16 nWhich, const SwTextAttr* pAttr )
{
bool bRet;
{
SwMvContext aMvContext(this);
SttSelect();
bRet = SwCursorShell::SelectTextAttr( nWhich, false, pAttr );
}
EndSelect();
return bRet;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */