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112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
/* This file is part of the KDE libraries
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Copyright (C) 2002-2005 Hamish Rodda <rodda@kde.org>
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Copyright (C) 2003 Anakim Border <aborder@sources.sourceforge.net>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef _KATE_TEXTLAYOUT_H_
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#define _KATE_TEXTLAYOUT_H_
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#include <QtGui/qtextlayout.h>
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#include <ksharedptr.h>
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#include "katelinelayout.h"
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class KateLineLayout;
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typedef KSharedPtr<KateLineLayout> KateLineLayoutPtr;
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/**
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* This class represents one visible line of text; with dynamic wrapping,
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* many KateTextLayouts can be needed to represent one actual line of text
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* (ie. one KateLineLayout)
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*/
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class KateTextLayout
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{
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friend class KateLineLayout;
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friend class KateLayoutCache;
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template <class T> friend class QT_PREPEND_NAMESPACE(QVector);
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public:
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bool isValid() const;
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static KateTextLayout invalid();
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int line() const;
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int virtualLine() const;
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/** Return the index of this visual line inside the document line
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(KateLineLayout). */
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int viewLine() const;
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const QTextLine& lineLayout() const;
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KateLineLayoutPtr kateLineLayout() const;
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int startCol() const;
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KTextEditor::Cursor start() const;
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/**
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* Return the end column of this text line.
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*
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* \param indicateEOL set to true to return -1 if this layout is the
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* end of the line, otherwise false to return the end column number
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*/
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int endCol(bool indicateEOL = false) const;
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/**
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* Return the end position of this text line.
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*
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* \param indicateEOL set to true to return -1 if this layout is the
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* end of the line, otherwise false to return the end column number
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*/
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KTextEditor::Cursor end(bool indicateEOL = false) const;
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int length() const;
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bool isEmpty() const;
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bool wrap() const;
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bool isDirty() const;
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bool setDirty(bool dirty = true);
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int startX() const;
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int endX() const;
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int width() const;
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int xOffset() const;
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bool isRightToLeft() const;
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bool includesCursor(const KTextEditor::Cursor& realCursor) const;
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friend bool operator> (const KateLineLayout& r, const KTextEditor::Cursor& c);
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friend bool operator>= (const KateLineLayout& r, const KTextEditor::Cursor& c);
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friend bool operator< (const KateLineLayout& r, const KTextEditor::Cursor& c);
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friend bool operator<= (const KateLineLayout& r, const KTextEditor::Cursor& c);
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void debugOutput() const;
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private:
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explicit KateTextLayout(KateLineLayoutPtr line = KateLineLayoutPtr(), int viewLine = 0);
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KateLineLayoutPtr m_lineLayout;
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QTextLine m_textLayout;
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int m_viewLine;
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mutable int m_startX;
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bool m_invalidDirty;
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};
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#endif
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