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Diffstat (limited to 'examples/painting/svgviewer/mainwindow.cpp')
| -rw-r--r-- | examples/painting/svgviewer/mainwindow.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/examples/painting/svgviewer/mainwindow.cpp b/examples/painting/svgviewer/mainwindow.cpp new file mode 100644 index 0000000..22393eb --- /dev/null +++ b/examples/painting/svgviewer/mainwindow.cpp @@ -0,0 +1,164 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "mainwindow.h" + +#include <QtGui> + +#include "svgview.h" + +MainWindow::MainWindow() + : QMainWindow() + , m_view(new SvgView) +{ + QMenu *fileMenu = new QMenu(tr("&File"), this); + QAction *openAction = fileMenu->addAction(tr("&Open...")); + openAction->setShortcut(QKeySequence(tr("Ctrl+O"))); + QAction *quitAction = fileMenu->addAction(tr("E&xit")); + quitAction->setShortcut(QKeySequence(tr("Ctrl+Q"))); + + menuBar()->addMenu(fileMenu); + + QMenu *viewMenu = new QMenu(tr("&View"), this); + m_backgroundAction = viewMenu->addAction(tr("&Background")); + m_backgroundAction->setEnabled(false); + m_backgroundAction->setCheckable(true); + m_backgroundAction->setChecked(false); + connect(m_backgroundAction, SIGNAL(toggled(bool)), m_view, SLOT(setViewBackground(bool))); + + m_outlineAction = viewMenu->addAction(tr("&Outline")); + m_outlineAction->setEnabled(false); + m_outlineAction->setCheckable(true); + m_outlineAction->setChecked(true); + connect(m_outlineAction, SIGNAL(toggled(bool)), m_view, SLOT(setViewOutline(bool))); + + menuBar()->addMenu(viewMenu); + + QMenu *rendererMenu = new QMenu(tr("&Renderer"), this); + m_nativeAction = rendererMenu->addAction(tr("&Native")); + m_nativeAction->setCheckable(true); + m_nativeAction->setChecked(true); +#ifndef QT_NO_OPENGL + m_glAction = rendererMenu->addAction(tr("&OpenGL")); + m_glAction->setCheckable(true); +#endif + m_imageAction = rendererMenu->addAction(tr("&Image")); + m_imageAction->setCheckable(true); + +#ifndef QT_NO_OPENGL + rendererMenu->addSeparator(); + m_highQualityAntialiasingAction = rendererMenu->addAction(tr("&High Quality Antialiasing")); + m_highQualityAntialiasingAction->setEnabled(false); + m_highQualityAntialiasingAction->setCheckable(true); + m_highQualityAntialiasingAction->setChecked(false); + connect(m_highQualityAntialiasingAction, SIGNAL(toggled(bool)), m_view, SLOT(setHighQualityAntialiasing(bool))); +#endif + + QActionGroup *rendererGroup = new QActionGroup(this); + rendererGroup->addAction(m_nativeAction); +#ifndef QT_NO_OPENGL + rendererGroup->addAction(m_glAction); +#endif + rendererGroup->addAction(m_imageAction); + + menuBar()->addMenu(rendererMenu); + + connect(openAction, SIGNAL(triggered()), this, SLOT(openFile())); + connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit())); + connect(rendererGroup, SIGNAL(triggered(QAction *)), + this, SLOT(setRenderer(QAction *))); + + setCentralWidget(m_view); + setWindowTitle(tr("SVG Viewer")); +} + +void MainWindow::openFile(const QString &path) +{ + QString fileName; + if (path.isNull()) + fileName = QFileDialog::getOpenFileName(this, tr("Open SVG File"), + m_currentPath, "SVG files (*.svg *.svgz *.svg.gz)"); + else + fileName = path; + + if (!fileName.isEmpty()) { + QFile file(fileName); + if (!file.exists()) { + QMessageBox::critical(this, tr("Open SVG File"), + QString("Could not open file '%1'.").arg(fileName)); + + m_outlineAction->setEnabled(false); + m_backgroundAction->setEnabled(false); + return; + } + + m_view->openFile(file); + + if (!fileName.startsWith(":/")) { + m_currentPath = fileName; + setWindowTitle(tr("%1 - SVGViewer").arg(m_currentPath)); + } + + m_outlineAction->setEnabled(true); + m_backgroundAction->setEnabled(true); + + resize(m_view->sizeHint() + QSize(80, 80 + menuBar()->height())); + } +} + +void MainWindow::setRenderer(QAction *action) +{ +#ifndef QT_NO_OPENGL + m_highQualityAntialiasingAction->setEnabled(false); +#endif + + if (action == m_nativeAction) + m_view->setRenderer(SvgView::Native); +#ifndef QT_NO_OPENGL + else if (action == m_glAction) { + m_highQualityAntialiasingAction->setEnabled(true); + m_view->setRenderer(SvgView::OpenGL); + } +#endif + else if (action == m_imageAction) { + m_view->setRenderer(SvgView::Image); + } +} |