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/* This file is part of the KDE project
Copyright (C) 2003-2005 Hamish Rodda <rodda@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "cursor.h"
#include "range.h"
using namespace KTextEditor;
Cursor::Cursor( )
: m_line(0)
, m_column(0)
, m_range(0L)
{
}
Cursor::Cursor( int _line, int _column )
: m_line(_line)
, m_column(_column)
, m_range(0L)
{
}
Cursor::Cursor(const Cursor& copy)
: m_line(copy.line())
, m_column(copy.column())
, m_range(0L)
{
}
bool Cursor::isValid() const
{
return m_line >= 0 && m_column >= 0;
}
Cursor Cursor::invalid( )
{
return Cursor (-1,-1);
}
Cursor Cursor::start()
{
return Cursor (0, 0);
}
int Cursor::line() const
{
return m_line;
}
void Cursor::setLine( int line )
{
if (line == this->line())
return;
Cursor old = *this;
m_line = line;
cursorChangedDirectly(old);
}
int Cursor::column() const
{
return m_column;
}
void Cursor::setColumn( int column )
{
if (column == this->column())
return;
Cursor old = *this;
m_column = column;
cursorChangedDirectly(old);
}
void Cursor::setPosition( const Cursor & pos )
{
if (pos == *this)
return;
Cursor old = *this;
m_line = pos.line();
m_column = pos.column();
cursorChangedDirectly(old);
}
bool Cursor::isSmartCursor( ) const
{
return false;
}
void Cursor::setPosition(int line, int column)
{
setPosition(Cursor(line, column));
}
void Cursor::position (int &_line, int &_column) const
{
_line = line(); _column = column();
}
Range* Cursor::range() const
{
return m_range;
}
Cursor::~ Cursor( )
{
}
void Cursor::setRange( Range * range )
{
m_range = range;
}
void KTextEditor::Cursor::cursorChangedDirectly(const Cursor& from)
{
if (m_range) {
if (this == &m_range->start())
m_range->rangeChanged(this, Range(from, m_range->end()));
else
m_range->rangeChanged(this, Range(m_range->start(), from));
}
}
bool KTextEditor::Cursor::atStartOfLine( ) const
{
return m_column == 0;
}
bool KTextEditor::Cursor::atStartOfDocument( ) const
{
return line() == 0 && m_column == 0;
}
SmartCursor * KTextEditor::Cursor::toSmartCursor( ) const
{
return 0L;
}
// kate: space-indent on; indent-width 2; replace-tabs on;
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