/**************************************************************************** ** ** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved. ** ** This file is part of the example classes of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License versions 2.0 or 3.0 as published by the Free Software ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Alternatively you may (at ** your option) use any later version of the GNU General Public ** License if such license has been publicly approved by Trolltech ASA ** (or its successors, if any) and the KDE Free Qt Foundation. In ** addition, as a special exception, Trolltech gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.1, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** Please review the following information to ensure GNU General ** Public Licensing requirements will be met: ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If ** you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at sales@trolltech.com. ** ** In addition, as a special exception, Trolltech, as the sole ** copyright holder for Qt Designer, grants users of the Qt/Eclipse ** Integration plug-in the right for the Qt/Eclipse Integration to ** link to functionality provided by Qt Designer and its related ** libraries. ** ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly ** granted herein. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ #include <QtGui> #include "svgview.h" #include "svgwindow.h" SvgWindow::SvgWindow() : QScrollArea(), highQualityAntialiasing(false) { QWidget *view = new QWidget(this); renderer = SvgWindow::Native; setWidget(view); } void SvgWindow::openFile(const QString &file) { currentPath = file; setRenderer(renderer); } void SvgWindow::setRenderer(RendererType type) { renderer = type; QWidget *view; if (renderer == OpenGL) { #ifndef QT_NO_OPENGL view = new SvgGLView(currentPath, this); qobject_cast<SvgGLView *>(view)->setHighQualityAntialiasing(highQualityAntialiasing); #endif } else if (renderer == Image) { view = new SvgRasterView(currentPath, this); } else { view = new SvgNativeView(currentPath, this); } setWidget(view); view->show(); } void SvgWindow::setHighQualityAntialiasing(bool hq) { highQualityAntialiasing = hq; #ifndef QT_NO_OPENGL QWidget *view = widget(); if (renderer == OpenGL) qobject_cast<SvgGLView *>(view)->setHighQualityAntialiasing(highQualityAntialiasing); #endif } void SvgWindow::mousePressEvent(QMouseEvent *event) { mousePressPos = event->pos(); scrollBarValuesOnMousePress.rx() = horizontalScrollBar()->value(); scrollBarValuesOnMousePress.ry() = verticalScrollBar()->value(); event->accept(); } void SvgWindow::mouseMoveEvent(QMouseEvent *event) { if (mousePressPos.isNull()) { event->ignore(); return; } horizontalScrollBar()->setValue(scrollBarValuesOnMousePress.x() - event->pos().x() + mousePressPos.x()); verticalScrollBar()->setValue(scrollBarValuesOnMousePress.y() - event->pos().y() + mousePressPos.y()); horizontalScrollBar()->update(); verticalScrollBar()->update(); event->accept(); } void SvgWindow::mouseReleaseEvent(QMouseEvent *event) { mousePressPos = QPoint(); event->accept(); }