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79 lines
2.9 KiB
79 lines
2.9 KiB
15 years ago
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/***************************************************************************
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* Copyright (C) 2005 Eyal Lotem <eyal.lotem@gmail.com> *
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* Copyright (C) 2005 Alexandre Oliveira <aleprj@gmail.com> *
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* Copyright (C) 2006 Cyrille Berger <cberger@cberger.net> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include "imageviewer.h"
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#include <qlabel.h>
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#include <qpainter.h>
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#include <qimage.h>
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#include <qcursor.h>
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#include <kapplication.h>
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#include <kdebug.h>
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#include <kis_cursor.h>
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ImageViewer::ImageViewer(QWidget *widget, const char * name)
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: QScrollView(widget, name)
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, m_isDragging(false)
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, m_image(QPixmap())
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{
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m_label = new QLabel( viewport());
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setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
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setCursor(KisCursor::handCursor());
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addChild(m_label);
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}
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void ImageViewer::setImage(QImage & image)
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{
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m_image = QPixmap(image);
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m_label->setPixmap(m_image);
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resizeContents( m_image.width(), m_image.height() );
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repaintContents(false);
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}
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void ImageViewer::contentsMousePressEvent(QMouseEvent *event)
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{
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if(LeftButton == event->button()) {
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setCursor(KisCursor::closedHandCursor());
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m_currentPos = event->globalPos();
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m_isDragging = true;
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}
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}
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void ImageViewer::contentsMouseReleaseEvent(QMouseEvent *event)
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{
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if(LeftButton == event->button()) {
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setCursor(KisCursor::handCursor());
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m_currentPos = event->globalPos();
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m_isDragging = false;
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}
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}
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void ImageViewer::contentsMouseMoveEvent(QMouseEvent *event)
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{
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if(m_isDragging) {
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QPoint delta = m_currentPos - event->globalPos();
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scrollBy(delta.x(), delta.y());
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m_currentPos = event->globalPos();
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}
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}
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#include "imageviewer.moc"
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