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/* -*- 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 <algorithm>
#include <tools/debug.hxx>
#include <vcl/outdev.hxx>
#include <editeng/svxfont.hxx>
#include <AccessibleStringWrap.hxx>
// AccessibleStringWrap implementation
AccessibleStringWrap::AccessibleStringWrap( OutputDevice& rDev, SvxFont& rFont, const OUString& rText ) :
mrDev( rDev ),
mrFont( rFont ),
maText( rText )
{
}
void AccessibleStringWrap::GetCharacterBounds( sal_Int32 nIndex, tools::Rectangle& rRect )
{
DBG_ASSERT(nIndex >= 0,
"SvxAccessibleStringWrap::GetCharacterBounds: index value overflow");
mrFont.SetPhysFont( &mrDev );
// #108900# Handle virtual position one-past-the end of the string
if( nIndex >= maText.getLength() )
{
// create a caret bounding rect that has the height of the
// current font and is one pixel wide.
rRect.SetLeft( mrDev.GetTextWidth(maText) );
rRect.SetTop( 0 );
rRect.SetSize( Size(mrDev.GetTextHeight(), 1) );
}
else
{
tools::Long aXArray[2];
mrDev.GetCaretPositions( maText, aXArray, nIndex, 1 );
rRect.SetLeft( 0 );
rRect.SetTop( 0 );
rRect.SetSize( Size(mrDev.GetTextHeight(), labs(aXArray[0] - aXArray[1])) );
rRect.Move( std::min(aXArray[0], aXArray[1]), 0 );
}
if( mrFont.IsVertical() )
{
// #101701# Rotate to vertical
rRect = tools::Rectangle( Point(-rRect.Top(), rRect.Left()),
Point(-rRect.Bottom(), rRect.Right()));
}
}
sal_Int32 AccessibleStringWrap::GetIndexAtPoint( const Point& rPoint )
{
// search for character bounding box containing given point
tools::Rectangle aRect;
sal_Int32 i, nLen = maText.getLength();
for( i=0; i<nLen; ++i )
{
GetCharacterBounds(i, aRect);
if( aRect.IsInside(rPoint) )
return i;
}
return -1;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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