|
|
|
/***************************************************************************
|
|
|
|
* 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"
|