TableConnection.cxx

/* -*- 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 <TableConnection.hxx> #include <ConnectionLine.hxx> #include <TableConnectionData.hxx> #include <JoinTableView.hxx> #include <utility> using namespace dbaui; using namespace ::com::sun::star::accessibility; namespace dbaui { OTableConnection::OTableConnection( OJoinTableView* _pContainer, TTableConnectionData::value_type _aTabConnData ) :Window(_pContainer) ,m_pData(std::move( _aTabConnData )) ,m_pParent( _pContainer ) ,m_bSelected( false ) { Init(); Show(); } OTableConnection::OTableConnection( const OTableConnection& _rConn ) : VclReferenceBase() ,Window(_rConn.m_pParent.get()) ,m_pData(_rConn.GetData()->NewInstance()) ,m_pParent(nullptr) { *this = _rConn; } void OTableConnection::Init() { // initialise linelist with defaults OConnectionLineDataVec& rLineData = GetData()->GetConnLineDataList(); m_vConnLine.reserve(rLineData.size()); for (auto const& elem : rLineData) m_vConnLine.emplace_back( new OConnectionLine(this, elem) ); } void OTableConnection::clearLineData() { m_vConnLine.clear(); } void OTableConnection::UpdateLineList() { // delete linelist clearLineData(); Init(); } OTableConnection& OTableConnection::operator=( const OTableConnection& rConn ) { if( &rConn == this ) return *this; // delete linelist clearLineData(); // copy linelist if(! rConn.GetConnLineList().empty() ) { const std::vector<std::unique_ptr<OConnectionLine>>& rLine = rConn.GetConnLineList(); m_vConnLine.reserve(rLine.size()); for (auto const& elem : rLine) m_vConnLine.emplace_back( new OConnectionLine(*elem)); } // as the data are not mine, I also do not delete the old m_pData->CopyFrom(*rConn.GetData()); // CopyFrom is virtual, therefore it is not a problem if m_pData is a derived type of OTableConnectionData m_bSelected = rConn.m_bSelected; m_pParent = rConn.m_pParent; return *this; } void OTableConnection::RecalcLines() { // call RecalcLines on each line for( const auto& pLine : m_vConnLine ) pLine->RecalcLine(); } OTableWindow* OTableConnection::GetSourceWin() const { TTableWindowData::value_type pRef = GetData()->getReferencingTable(); OTableWindow* pRet = m_pParent->GetTabWindow( pRef->GetWinName() ); if ( !pRet ) { pRet = m_pParent->GetTabWindow( pRef->GetComposedName() ); } return pRet; } OTableWindow* OTableConnection::GetDestWin() const { TTableWindowData::value_type pRef = GetData()->getReferencedTable(); OTableWindow* pRet = m_pParent->GetTabWindow( pRef->GetWinName() ); if ( !pRet ) { pRet = m_pParent->GetTabWindow( pRef->GetComposedName() ); } return pRet; } void OTableConnection::Select() { m_bSelected = true; m_pParent->Invalidate( GetBoundingRect(), InvalidateFlags::NoChildren); } void OTableConnection::Deselect() { m_bSelected = false; InvalidateConnection(); } bool OTableConnection::CheckHit( const Point& rMousePos ) const { // check if the point hit our line return std::any_of(m_vConnLine.begin(), m_vConnLine.end(), [&rMousePos] ( const std::unique_ptr<OConnectionLine> & pLine ) { return pLine->CheckHit( rMousePos ); } ); } void OTableConnection::InvalidateConnection() { tools::Rectangle rcBounding = GetBoundingRect(); rcBounding.AdjustBottom(1 ); rcBounding.AdjustRight(1 ); // I believe Invalidate and Draw(Rectangle) do not behave consistent: in any case it // could explain, why without the fake here when deleting a connection a dash remains at the lower end: // Invalidate records obviously one pixel line less as Draw. // Or everything works differently... in any case it works... m_pParent->Invalidate( rcBounding, InvalidateFlags::NoChildren ); } tools::Rectangle OTableConnection::GetBoundingRect() const { // determine all lines of the surrounding rectangle tools::Rectangle aBoundingRect( Point(0,0), Point(0,0) ); tools::Rectangle aTempRect; for (auto const& elem : m_vConnLine) { aTempRect = elem->GetBoundingRect(); // is the BoundingRect of this line valid? if( (aTempRect.GetWidth()!=1) && (aTempRect.GetHeight()!=1) ) { if( (aBoundingRect.GetWidth()==1) && (aBoundingRect.GetHeight()==1) ) aBoundingRect = aTempRect; else aBoundingRect.Union( aTempRect ); } } return aBoundingRect; } void OTableConnection::Draw(vcl::RenderContext& rRenderContext, const tools::Rectangle& /*rRect*/) { // Draw line for( const auto& pLine : m_vConnLine ) pLine->Draw( &rRenderContext ); } } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V530 The return value of function 'Union' is required to be utilized.

↑ V1023 A pointer without owner is added to the 'm_vConnLine' container by the 'emplace_back' method. A memory leak will occur in case of an exception.