78 lines
2.8 KiB
C++
78 lines
2.8 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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#ifndef INCLUDED_VCL_CONTROLLAYOUT_HXX
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#define INCLUDED_VCL_CONTROLLAYOUT_HXX
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#include <rtl/ustring.hxx>
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#include <tools/gen.hxx>
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#include <vector>
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#include <vcl/dllapi.h>
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#include <vcl/ctrl.hxx>
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namespace vcl
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{
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struct VCL_DLLPUBLIC ControlLayoutData
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{
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// contains the string really displayed
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// there must be exactly one bounding rectangle in m_aUnicodeBoundRects
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// for every character in m_aDisplayText
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OUString m_aDisplayText;
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// the bounding rectangle of every character
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// where one character may consist of many glyphs
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std::vector< Rectangle > m_aUnicodeBoundRects;
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// start indices of lines
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std::vector< long > m_aLineIndices;
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// notify parent control on destruction
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VclPtr<const Control> m_pParent;
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ControlLayoutData();
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~ControlLayoutData();
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Rectangle GetCharacterBounds( long nIndex ) const;
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// returns the character index for corresponding to rPoint (in control coordinates)
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// -1 is returned if no character is at that point
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long GetIndexForPoint( const Point& rPoint ) const;
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// returns the number of lines in the result of GetDisplayText()
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long GetLineCount() const;
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// returns the interval [start,end] of line nLine
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// returns [-1,-1] for an invalid line
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::Pair GetLineStartEnd( long nLine ) const;
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/** ToRelativeLineIndex changes a layout data index to a count relative to its line.
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This is equivalent to getting the line start/end pairs with
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GetLineStartEnd until the index lies within [start,end] of a line
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@param nIndex
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the absolute index inside the display text to be changed to a relative index
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@returns
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the relative index inside the displayed line or -1 if the absolute index does
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not match any line
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*/
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long ToRelativeLineIndex( long nIndex ) const;
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};
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} // namespace vcl
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#endif // INCLUDED_VCL_CONTROLLAYOUT_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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