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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _VCL_CONTROLLAYOUT_HXX
#define _VCL_CONTROLLAYOUT_HXX
#include <vector>
#include <tools/gen.hxx>
#include <tools/string.hxx>
#include <vcl/dllapi.h>
class Control;
namespace vcl
{
struct VCL_DLLPUBLIC ControlLayoutData
{
// contains the string really displayed
// there must be exactly one bounding rectangle in m_aUnicodeBoundRects
// for every character in m_aDisplayText
String m_aDisplayText;
// the bounding rectangle of every character
// where one character may consist of many glyphs
std::vector< Rectangle > m_aUnicodeBoundRects;
// start indices of lines
std::vector< long > m_aLineIndices;
// notify parent control on destruction
const Control* m_pParent;
ControlLayoutData() : m_pParent( NULL ) {}
~ControlLayoutData();
Rectangle GetCharacterBounds( long nIndex ) const;
// returns the character index for corresponding to rPoint (in control coordinates)
// -1 is returned if no character is at that point
long GetIndexForPoint( const Point& rPoint ) const;
// returns the number of lines in the result of GetDisplayText()
long GetLineCount() const;
// returns the interval [start,end] of line nLine
// returns [-1,-1] for an invalid line
Pair GetLineStartEnd( long nLine ) const;
/** ToRelativeLineIndex changes a layout data index to a count relative to its line.
<p>This is equivalent to getting the line start/end pairs with
<member>GetLineStartEnd</member> until the index lies within [start,end] of a line
</p>
@param nIndex
the absolute index inside the display text to be changed to a relative index
@returns
the relative index inside the displayed line or -1 if the absolute index does
not match any line
*/
long ToRelativeLineIndex( long nIndex ) const;
};
} // namespace vcl
#endif // _VCL_CONTROLLAYOUT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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