svtools/source/brwbox/editbrowsebox2.cxx

   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
  20 #include <svtools/editbrowsebox.hxx>
  21 #include <com/sun/star/accessibility/XAccessible.hpp>
  22 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
  23 #include "editbrowseboximpl.hxx"
  24 #include <comphelper/types.hxx>
  25 #include <toolkit/helper/vclunohelper.hxx>
  26 #include "svtaccessiblefactory.hxx"
  27
  28 namespace svt
  29 {
  30     using namespace com::sun::star::accessibility;
  31     using namespace com::sun::star::uno;
  32     using namespace ::com::sun::star::accessibility::AccessibleEventId;
  33
  34
  35 Reference< XAccessible > EditBrowseBox::CreateAccessibleCheckBoxCell(long _nRow, sal_uInt16 _nColumnPos,const TriState& eState)
  36 {
  37     Reference< XAccessible > xAccessible( GetAccessible() );
  38     Reference< XAccessibleContext > xAccContext;
  39     if ( xAccessible.is() )
  40         xAccContext = xAccessible->getAccessibleContext();
  41
  42     Reference< XAccessible > xReturn;
  43     if ( xAccContext.is() )
  44     {
  45         xReturn = getAccessibleFactory().createAccessibleCheckBoxCell(
  46             xAccContext->getAccessibleChild( ::svt::BBINDEX_TABLE ),
  47             *this,
  48             NULL,
  49             _nRow,
  50             _nColumnPos,
  51             eState,
  52             true
  53         );
  54     }
  55     return xReturn;
  56 }
  57
  58 Reference< XAccessible > EditBrowseBox::CreateAccessibleCell( sal_Int32 _nRow, sal_uInt16 _nColumnPos )
  59 {
  60     return BrowseBox::CreateAccessibleCell( _nRow, _nColumnPos );
  61 }
  62
  63 sal_Int32 EditBrowseBox::GetAccessibleControlCount() const
  64 {
  65     return IsEditing() ? 1 : 0;
  66 }
  67
  68 void EditBrowseBox::implCreateActiveAccessible( )
  69 {
  70     DBG_ASSERT( IsEditing(), "EditBrowseBox::implCreateActiveAccessible: not to be called if we're not editing currently!" );
  71     DBG_ASSERT( !m_aImpl->m_xActiveCell.is(), "EditBrowseBox::implCreateActiveAccessible: not to be called if the old one is still alive!" );
  72
  73     if ( !m_aImpl->m_xActiveCell.is() && IsEditing() )
  74     {
  75          Reference< XAccessible > xCont = aController->GetWindow().GetAccessible();
  76          Reference< XAccessible > xMy = GetAccessible();
  77          if ( xMy.is() && xCont.is() )
  78           {
  79              m_aImpl->m_xActiveCell = getAccessibleFactory().createEditBrowseBoxTableCellAccess(
  80                  xMy,                                                       // parent accessible
  81                  xCont,                                                     // control accessible
  82                  VCLUnoHelper::GetInterface( &aController->GetWindow() ),   // focus window (for notifications)
  83                  *this,                                                     // the browse box
  84                  GetCurRow(),
  85                  GetColumnPos( GetCurColumnId() )
  86              );
  87
  88              commitBrowseBoxEvent( CHILD, makeAny( m_aImpl->m_xActiveCell ), Any() );
  89           }
  90     }
  91 }
  92
  93
  94 Reference< XAccessible > EditBrowseBox::CreateAccessibleControl( sal_Int32
  95 #ifdef DBG_UTIL
  96 _nIndex
  97 #endif
  98 )
  99 {
 100     DBG_ASSERT( 0 == _nIndex, "EditBrowseBox::CreateAccessibleControl: invalid index!" );
 101
 102     if ( isAccessibleAlive() )
 103     {
 104         if ( !m_aImpl->m_xActiveCell.is() )
 105             implCreateActiveAccessible();
 106     }
 107
 108     return m_aImpl->m_xActiveCell;
 109 }
 110
 111 Reference<XAccessible > EditBrowseBox::CreateAccessibleRowHeader( sal_Int32 _nRow )
 112 {
 113     return BrowseBox::CreateAccessibleRowHeader( _nRow );
 114 }
 115
 116 void EditBrowseBoxImpl::clearActiveCell()
 117 {
 118     try
 119     {
 120         ::comphelper::disposeComponent(m_xActiveCell);
 121     }
 122     catch(const Exception&)
 123     {
 124         OSL_FAIL( "EditBrowseBoxImpl::clearActiveCell: caught an exception while disposing the AccessibleCell!" );
 125     }
 126
 127     m_xActiveCell = NULL;
 128 }
 129
 130 void EditBrowseBox::GrabTableFocus()
 131 {
 132     if ( aController.Is() )
 133         aController->GetWindow().GrabFocus();
 134 }
 135
 136 void EditBrowseBox::DetermineFocus( const sal_uInt16 _nGetFocusFlags )
 137 {
 138     bool bFocus = false;
 139     for (vcl::Window* pWindow = Application::GetFocusWindow();
 140          pWindow && !bFocus;
 141          pWindow = pWindow->GetParent())
 142          bFocus = pWindow == this;
 143
 144     if (bFocus != bHasFocus)
 145     {
 146         bHasFocus = bFocus;
 147
 148         if ( GetBrowserFlags( ) & EditBrowseBoxFlags::SMART_TAB_TRAVEL )
 149         {
 150             if  (   bHasFocus                           // we got the focus
 151                 &&  ( _nGetFocusFlags & GETFOCUS_TAB )  // using the TAB key
 152                 )
 153             {
 154                 long nRows = GetRowCount();
 155                 sal_uInt16 nCols = ColCount();
 156
 157                 if ( ( nRows > 0 ) && ( nCols > 0 ) )
 158                 {
 159                     if ( _nGetFocusFlags & GETFOCUS_FORWARD )
 160                     {
 161                         if ( GetColumnId( 0 ) != HandleColumnId )
 162                         {
 163                             GoToRowColumnId( 0, GetColumnId( 0 ) );
 164                         }
 165                         else
 166                         {   // the first column is the handle column -> not focussable
 167                             if ( nCols > 1 )
 168                                 GoToRowColumnId( 0, GetColumnId( 1 ) );
 169                         }
 170                     }
 171                     else if ( _nGetFocusFlags & GETFOCUS_BACKWARD )
 172                     {
 173                         GoToRowColumnId( nRows - 1, GetColumnId( nCols -1 ) );
 174                     }
 175                 }
 176             }
 177         }
 178     }
 179 }
 180
 181 Rectangle EditBrowseBox::GetFieldCharacterBounds(sal_Int32 _nRow,sal_Int32 _nColumnPos,sal_Int32 _nIndex)
 182 {
 183     Rectangle aRect;
 184     if ( SeekRow(_nRow) )
 185     {
 186         CellController* pController = GetController(
 187             _nRow, GetColumnId( sal::static_int_cast< sal_uInt16 >(_nColumnPos) ) );
 188         if ( pController )
 189             aRect = pController->GetWindow().GetCharacterBounds(_nIndex);
 190     }
 191     return aRect;
 192 }
 193
 194 sal_Int32 EditBrowseBox::GetFieldIndexAtPoint(sal_Int32 _nRow,sal_Int32 _nColumnPos,const Point& _rPoint)
 195 {
 196     sal_Int32 nRet = -1;
 197     if ( SeekRow(_nRow) )
 198     {
 199         CellController* pController = GetController(
 200             _nRow, GetColumnId( sal::static_int_cast< sal_uInt16 >(_nColumnPos) ) );
 201         if ( pController )
 202             nRet = pController->GetWindow().GetIndexForPoint(_rPoint);
 203     }
 204     return nRet;
 205 }
 206
 207
 208 } // namespace svt
 209
 210
 211
 212 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */