dbaccess/source/ui/inc/ConnectionLine.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef INCLUDED_DBACCESS_SOURCE_UI_INC_CONNECTIONLINE_HXX
  20 #define INCLUDED_DBACCESS_SOURCE_UI_INC_CONNECTIONLINE_HXX
  21
  22 #include <tools/gen.hxx>
  23 #include "ConnectionLineData.hxx"
  24 #include <functional>
  25 #include <vcl/vclptr.hxx>
  26
  27 class OutputDevice;
  28 namespace dbaui
  29 {
  30
  31     // ConnData     ---------->*    ConnLineData
  32     //    ^1                            ^1
  33     //    |                             |
  34     //  Conn        ---------->*    ConnLine
  35
  36     /*
  37         the class OConnectionLine represents the graphical line between the to two windows
  38     **/
  39     class OTableConnection;
  40     class OConnectionLine
  41     {
  42         VclPtr<OTableConnection>       m_pTabConn;
  43         OConnectionLineDataRef  m_pData;
  44
  45         Point                   m_aSourceConnPos,
  46                                 m_aDestConnPos;
  47         Point                   m_aSourceDescrLinePos,
  48                                 m_aDestDescrLinePos;
  49     public:
  50         OConnectionLine( OTableConnection* pConn, OConnectionLineDataRef pLineData );
  51         OConnectionLine( const OConnectionLine& rLine );
  52         virtual ~OConnectionLine();
  53
  54         OConnectionLine& operator=( const OConnectionLine& rLine );
  55
  56         Rectangle           GetBoundingRect();
  57         bool                RecalcLine();
  58         void                Draw( OutputDevice* pOutDev );
  59         bool                CheckHit( const Point& rMousePos ) const;
  60         OUString            GetSourceFieldName() const { return m_pData->GetSourceFieldName(); }
  61         OUString            GetDestFieldName() const { return m_pData->GetDestFieldName(); }
  62
  63         bool                IsValid() const;
  64
  65         Rectangle           GetSourceTextPos() const;
  66         Rectangle           GetDestTextPos() const;
  67
  68         OConnectionLineDataRef  GetData() const { return m_pData; }
  69
  70         Point               getMidPoint() const;
  71     };
  72     /// unary_function Functor object for class OConnectionLine returntype is void
  73     /// draws a connectionline object on outputdevice
  74     struct TConnectionLineDrawFunctor : std::unary_function<OConnectionLine*, void>
  75     {
  76         VclPtr<OutputDevice> pDevice;
  77         TConnectionLineDrawFunctor(OutputDevice* _pDevice)
  78         {
  79             pDevice = _pDevice;
  80         }
  81         inline void operator()(OConnectionLine* _pLine)
  82         {
  83             _pLine->Draw(pDevice);
  84         }
  85     };
  86     /// binary_function Functor object for class OConnectionLine returntype is bool
  87     /// checks if the point is on connectionline
  88     struct TConnectionLineCheckHitFunctor : ::std::binary_function<OConnectionLine*,Point,bool>
  89     {
  90         inline bool operator()(const OConnectionLine* lhs,const Point& rhs) const
  91         {
  92             return lhs->CheckHit(rhs);
  93         }
  94     };
  95
  96 }
  97 #endif // INCLUDED_DBACCESS_SOURCE_UI_INC_CONNECTIONLINE_HXX
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */