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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 .
*/
#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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