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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: AccessibleStringWrap.cxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: rt $ $Date: 2005-09-08 20:18:50 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#include <algorithm>
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _SV_OUTDEV_HXX
#include <vcl/outdev.hxx>
#endif
#include "svxfont.hxx"
#include "AccessibleStringWrap.hxx"
//------------------------------------------------------------------------
//
// AccessibleStringWrap implementation
//
//------------------------------------------------------------------------
AccessibleStringWrap::AccessibleStringWrap( OutputDevice& rDev, SvxFont& rFont, const String& rText ) :
mrDev( rDev ),
mrFont( rFont ),
maText( rText )
{
}
sal_Bool AccessibleStringWrap::GetCharacterBounds( sal_Int32 nIndex, Rectangle& rRect )
{
DBG_ASSERT(nIndex >= 0 && nIndex <= USHRT_MAX,
"SvxAccessibleStringWrap::GetCharacterBounds: index value overflow");
mrFont.SetPhysFont( &mrDev );
// #108900# Handle virtual position one-past-the end of the string
if( nIndex >= maText.Len() )
{
// create a caret bounding rect that has the height of the
// current font and is one pixel wide.
rRect.Left() = mrDev.GetTextWidth(maText);
rRect.Top() = 0;
rRect.SetSize( Size(mrDev.GetTextHeight(), 1) );
}
else
{
long aXArray[2];
mrDev.GetCaretPositions( maText, aXArray, static_cast< USHORT >(nIndex), 1 );
rRect.Left() = 0;
rRect.Top() = 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 = Rectangle( Point(-rRect.Top(), rRect.Left()),
Point(-rRect.Bottom(), rRect.Right()));
}
return sal_True;
}
sal_Int32 AccessibleStringWrap::GetIndexAtPoint( const Point& rPoint )
{
// search for character bounding box containing given point
Rectangle aRect;
sal_Int32 i, nLen = maText.Len();
for( i=0; i<nLen; ++i )
{
GetCharacterBounds(i, aRect);
if( aRect.IsInside(rPoint) )
return i;
}
return -1;
}
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