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/***************************************************************************
* Copyright (C) 2005 Eyal Lotem <eyal.lotem@gmail.com> *
* Copyright (C) 2005 Alexandre Oliveira <aleprj@gmail.com> *
* Copyright (C) 2006 Cyrille Berger <cberger@cberger.net> *
* *
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "imageviewer.h"
#include <tqlabel.h>
#include <tqpainter.h>
#include <tqimage.h>
#include <tqcursor.h>
#include <kapplication.h>
#include <kdebug.h>
#include <kis_cursor.h>
ImageViewer::ImageViewer(TQWidget *widget, const char * name)
: TQScrollView(widget, name)
, m_isDragging(false)
, m_image(TQPixmap())
{
m_label = new TQLabel( viewport());
setSizePolicy(TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding);
setCursor(KisCursor::handCursor());
addChild(m_label);
}
void ImageViewer::setImage(TQImage & image)
{
m_image = TQPixmap(image);
m_label->setPixmap(m_image);
resizeContents( m_image.width(), m_image.height() );
repaintContents(false);
}
void ImageViewer::contentsMousePressEvent(TQMouseEvent *event)
{
if(Qt::LeftButton == event->button()) {
setCursor(KisCursor::closedHandCursor());
m_currentPos = event->globalPos();
m_isDragging = true;
}
}
void ImageViewer::contentsMouseReleaseEvent(TQMouseEvent *event)
{
if(Qt::LeftButton == event->button()) {
setCursor(KisCursor::handCursor());
m_currentPos = event->globalPos();
m_isDragging = false;
}
}
void ImageViewer::contentsMouseMoveEvent(TQMouseEvent *event)
{
if(m_isDragging) {
TQPoint delta = m_currentPos - event->globalPos();
scrollBy(delta.x(), delta.y());
m_currentPos = event->globalPos();
}
}
#include "imageviewer.moc"
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