//****************************************************************************

//! \file wtexter.cpp
//! \date 17-10-2004

//****************************************************************************

//     This file is part of Weird Reader.
//
//     The Weird Reader is free software; you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as published by
//     the Free Software Foundation; either version 2 of the License, or
//     (at your option) any later version.
//
//     The Weird Reader 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 General Public License for more details.
//
//     You should have received a copy of the GNU General Public License
//     along with Weird Reader; if not, write to the Free Software
//     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

//****************************************************************************

#include "wtexter.hpp"
//***************************************************************************
// WTextHandler methods
//***************************************************************************
// public methods
//***************************************************************************

//***************************************************************************
WTextHandler::WTextHandler( QWidget *parent, char const *name)
	 : KTextEdit ( parent, name)
//***************************************************************************
{
	this->setReadOnly( true);
	this->setVScrollBarMode( QScrollView::AlwaysOff);
	this->setWordWrap( KTextEdit::NoWrap);
}

//***************************************************************************
// public slots
//***************************************************************************

//***************************************************************************
int WTextHandler::open( QString &fname)
//***************************************************************************
{
	QFile file( fname);
	if ( file.open( IO_ReadOnly)) 
	{
		QTextStream stream( &file );
		this->setText( stream.read() );
	}
	
	QFontMetrics fm( this->currentFont());
	vlines = this->visibleHeight()/fm.lineSpacing()-1;
	std::cout<<this->visibleHeight()<<"  "<<fm.lineSpacing()<<std::endl;
	std::cout<<this->lines()<<" "<<vlines<<"  "<<this->lines()/vlines<<std::endl;
	this->setCursorPosition( 0, 0);
	tlines = this->lines();
	tend = false;

	return tlines/vlines;
}

//***************************************************************************
void WTextHandler::close()
//***************************************************************************
{
	this->clear();
}

//***************************************************************************
void WTextHandler::pgUp()
//***************************************************************************
{
	this->moveCursor( KTextEdit::MovePgUp, false);
}

//***************************************************************************
void WTextHandler::pgDown()
//***************************************************************************
{
	this->moveCursor( KTextEdit::MovePgDown, false);
}

//***************************************************************************
void WTextHandler::moveCursor( CursorAction action, bool select)
//***************************************************************************
{
	if( action==KTextEdit::MovePgUp)
	{
		int p, i;
		this->getCursorPosition( &p, &i);
// 		std::cout<<p<<" "<<i<<std::endl;
		this->setCursorPosition( p-vlines, 0);
		tend = false;
		return;
	}

	if( action==KTextEdit::MovePgDown)if( !tend)
	{
		int p, i;
		this->getCursorPosition( &p, &i);
		if( p+2*vlines-1< tlines-1)this->setCursorPosition( p+2*vlines-1, 0);
		else 
		{
			tend = true;
			this->setCursorPosition( tlines-1, 0);
		}
		this->setCursorPosition( p+vlines, 0);
		return;
	}else return;

	KTextEdit::moveCursor( action, select);
}

//***************************************************************************
// protected methods
//***************************************************************************

//***************************************************************************
void WTextHandler::sort()
//***************************************************************************
{
	std::sort(comments.begin (), comments.end ());
}