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/***************************************************************************
* Copyright (C) 2005 Eyal Lotem <eyal.lotem@gmail.com> *
* Copyright (C) 2005 Alexandre Oliveira <aleprj@gmail.com> *
* *
* 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; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Steet, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "pixmapviewer.h"
#include <tdeapplication.h>
#include <tqpainter.h>
#include <tqpixmap.h>
PixmapViewer::PixmapViewer(TQWidget *widget, const TQPixmap &pixmap)
: TQScrollView(widget, 0, WNoAutoErase)
, m_isDragging(false)
, m_pixmap(pixmap)
{
resizeContents( m_pixmap.width(), m_pixmap.height() );
}
void PixmapViewer::drawContents( TQPainter * p, int clipx, int clipy, int clipw, int cliph ) {
p->drawPixmap(TQPoint(clipx, clipy),
m_pixmap,
TQRect(clipx, clipy, clipw, cliph));
}
void PixmapViewer::contentsMousePressEvent(TQMouseEvent *event) {
if(Qt::LeftButton == event->button()) {
m_currentPos = event->globalPos();
m_isDragging = true;
}
}
void PixmapViewer::contentsMouseReleaseEvent(TQMouseEvent *event) {
if(Qt::LeftButton == event->button()) {
m_currentPos = event->globalPos();
m_isDragging = false;
}
}
void PixmapViewer::contentsMouseMoveEvent(TQMouseEvent *event) {
if(m_isDragging) {
TQPoint delta = m_currentPos - event->globalPos();
scrollBy(delta.x(), delta.y());
m_currentPos = event->globalPos();
}
}
TQSize PixmapViewer::maximalSize() {
return m_pixmap.size().boundedTo( TDEApplication::desktop()->size() ) + size() - viewport()->size();
}
#include "pixmapviewer.moc"
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