92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <algorithm>
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#include <tools/debug.hxx>
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#include <vcl/outdev.hxx>
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#include <editeng/svxfont.hxx>
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#include <editeng/AccessibleStringWrap.hxx>
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//------------------------------------------------------------------------
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//
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// AccessibleStringWrap implementation
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//
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//------------------------------------------------------------------------
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AccessibleStringWrap::AccessibleStringWrap( OutputDevice& rDev, SvxFont& rFont, const String& rText ) :
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mrDev( rDev ),
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mrFont( rFont ),
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maText( rText )
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{
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}
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sal_Bool AccessibleStringWrap::GetCharacterBounds( sal_Int32 nIndex, Rectangle& rRect )
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{
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DBG_ASSERT(nIndex >= 0 && nIndex <= USHRT_MAX,
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"SvxAccessibleStringWrap::GetCharacterBounds: index value overflow");
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mrFont.SetPhysFont( &mrDev );
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// #108900# Handle virtual position one-past-the end of the string
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if( nIndex >= maText.Len() )
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{
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// create a caret bounding rect that has the height of the
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// current font and is one pixel wide.
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rRect.Left() = mrDev.GetTextWidth(maText);
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rRect.Top() = 0;
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rRect.SetSize( Size(mrDev.GetTextHeight(), 1) );
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}
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else
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{
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sal_Int32 aXArray[2];
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mrDev.GetCaretPositions( maText, aXArray, static_cast< sal_uInt16 >(nIndex), 1 );
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rRect.Left() = 0;
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rRect.Top() = 0;
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rRect.SetSize( Size(mrDev.GetTextHeight(), labs(aXArray[0] - aXArray[1])) );
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rRect.Move( ::std::min(aXArray[0], aXArray[1]), 0 );
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}
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if( mrFont.IsVertical() )
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{
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// #101701# Rotate to vertical
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rRect = Rectangle( Point(-rRect.Top(), rRect.Left()),
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Point(-rRect.Bottom(), rRect.Right()));
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}
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return sal_True;
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}
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sal_Int32 AccessibleStringWrap::GetIndexAtPoint( const Point& rPoint )
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{
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// search for character bounding box containing given point
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Rectangle aRect;
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sal_Int32 i, nLen = maText.Len();
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for( i=0; i<nLen; ++i )
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{
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GetCharacterBounds(i, aRect);
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if( aRect.IsInside(rPoint) )
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return i;
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}
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return -1;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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