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-rw-r--r--libs/svgviewer/mainwindow.cpp205
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diff --git a/libs/svgviewer/mainwindow.cpp b/libs/svgviewer/mainwindow.cpp
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--- a/libs/svgviewer/mainwindow.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
-** of its contributors may be used to endorse or promote products derived
-** from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "mainwindow.h"
-
-#include <QtGui>
-#include <unistd.h>
-#include <QFileSystemWatcher>
-
-#include "svgview.h"
-
-MainWindow::MainWindow()
- : QMainWindow()
- , m_view(new SvgView)
- , m_watcher(NULL)
- , m_filehandle(NULL)
-{
- 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->setShortcuts(QKeySequence::Quit);
-
- menuBar()->addMenu(fileMenu);
-
- QMenu *viewMenu = new QMenu(tr("&View"), this);
-
- m_interactiveAction = viewMenu->addAction(tr("&Interactive"));
- m_interactiveAction->setEnabled(false);
- m_interactiveAction->setCheckable(true);
- m_interactiveAction->setChecked(false);
- connect(m_interactiveAction, SIGNAL(toggled(bool)), m_view, SLOT(setViewInteractive(bool)));
-
- m_backgroundAction = viewMenu->addAction(tr("&Background"));
- m_backgroundAction->setEnabled(false);
- m_backgroundAction->setCheckable(true);
- m_backgroundAction->setChecked(false);
- m_backgroundAction->setVisible(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("Yosys SVG Viewer"));
-}
-
-void MainWindow::openFile(const QString &path, bool reload)
-{
- 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 (m_watcher) {
- delete m_watcher;
- m_watcher = NULL;
- }
- if (m_filehandle) {
- fclose(m_filehandle);
- m_filehandle = NULL;
- }
-
- 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_interactiveAction->setEnabled(false);
- m_outlineAction->setEnabled(false);
- m_backgroundAction->setEnabled(false);
- return;
- }
-
- QTransform oldTransform = m_view->transform();
- m_view->openFile(file);
-
- if (!fileName.startsWith(":/"))
- {
- m_currentPath = fileName;
- setWindowTitle(tr("%1 - Yosys SVG Viewer").arg(m_currentPath));
-
- // just keep the file open so this process is found using 'fuser'
- m_filehandle = fopen(fileName.toAscii(), "r");
-
- m_watcher = new QFileSystemWatcher(this);
- m_watcher->addPath(fileName);
- connect(m_watcher, SIGNAL(fileChanged(const QString&)), this, SLOT(reloadFile()));
- }
-
- m_interactiveAction->setEnabled(true);
- m_outlineAction->setEnabled(true);
- m_backgroundAction->setEnabled(true);
-
- if (reload)
- m_view->setTransform(oldTransform);
- else
- resize(m_view->sizeHint() + QSize(80, 80 + menuBar()->height()));
- }
-}
-
-void MainWindow::reloadFile()
-{
- // give the writer ~100 ms to finish writing
- usleep(100000);
- openFile(m_currentPath, true);
-}
-
-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);
- }
-}
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