|
|
|
/***************************************************************************
|
|
|
|
* 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 <tdeapplication.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"
|