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/*
* Copyright (C) 2002 Roberto Raggi (roberto@kdevelop.org)
*
* This program 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.
*
* This program 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 this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qt Designer.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file COPYING included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "linenumberwidget.h"
#include "qeditor.h"
#include "paragdata.h"
#include <private/qrichtext_p.h>
LineNumberWidget::LineNumberWidget( QEditor* editor, QWidget* parent, const char* name )
: QWidget( parent, name, WRepaintNoErase | WStaticContents | WResizeNoErase ),
m_editor( editor )
{
setFixedWidth( 50 );
connect( m_editor->verticalScrollBar(), SIGNAL( valueChanged( int ) ),
this, SLOT( doRepaint() ) );
connect( m_editor, SIGNAL( textChanged() ),
this, SLOT( doRepaint() ) );
doRepaint();
}
LineNumberWidget::~LineNumberWidget()
{
}
void LineNumberWidget::paintEvent( QPaintEvent* /*e*/ )
{
buffer.fill();
QTextParagraph *p = m_editor->document()->firstParagraph();
QPainter painter( &buffer );
int yOffset = m_editor->contentsY();
while ( p ) {
if ( !p->isVisible() ) {
p = p->next();
continue;
}
if ( p->rect().y() + p->rect().height() - yOffset < 0 ) {
p = p->next();
continue;
}
if ( p->rect().y() - yOffset > height() )
break;
//ParagData *paragData = (ParagData*)p->extraData();
painter.drawText( 0, p->rect().y() - yOffset,
buffer.width() - 10, p->rect().height(),
AlignRight | AlignBottom,
QString::number(p->paragId()+1) );
p = p->next();
}
painter.end();
bitBlt( this, 0, 0, &buffer );
}
void LineNumberWidget::resizeEvent( QResizeEvent *e )
{
buffer.resize( e->size() );
QWidget::resizeEvent( e );
}
#include "linenumberwidget.moc"
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