#include "mainwindow.h"
#include <QtWidgets>
#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->setShortcuts(QKeySequence::Quit);
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);
}
}