479 lines
12 KiB
C
479 lines
12 KiB
C
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// Copyright (c) 2008 GeometryFactory Sarl (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0+
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//
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//
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// Author(s) : Andreas Fabri <Andreas.Fabri@geometryfactory.com>
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// Laurent Rineau <Laurent.Rineau@geometryfactory.com>
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#ifdef CGAL_HEADER_ONLY
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#define CGAL_INLINE_FUNCTION inline
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#include <CGAL/license/GraphicsView.h>
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#else
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#define CGAL_INLINE_FUNCTION
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#endif
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#include <CGAL/Qt/GraphicsViewNavigation.h>
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#include <QApplication>
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#include <QLabel>
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#include <QFile>
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#include <QFileDialog>
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#include <QFileInfo>
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#include <QMenu>
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#include <QMenuBar>
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#include <QAction>
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#include <QMessageBox>
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#include <QStatusBar>
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#include <QGraphicsView>
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#include <QGLWidget>
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#include <QTextStream>
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#include <QSettings>
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#include <QUrl>
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#include <QDesktopWidget>
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#include <QRegExp>
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#include <QSvgGenerator>
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#include <QtCore>
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#include <QtOpenGL>
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#include <CGAL/config.h> // needed to get CGAL_VERSION_STR
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#include <CGAL/Qt/DemosMainWindow.h>
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#include <iostream>
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namespace CGAL {
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namespace Qt {
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CGAL_INLINE_FUNCTION
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DemosMainWindow::DemosMainWindow(QWidget * parent, ::Qt::WindowFlags flags)
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: QMainWindow(parent, flags),
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maxNumRecentFiles(10),
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recentFileActs(maxNumRecentFiles)
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{
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// prepare the QLabel xycoord for inclusion in the statusBar()
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xycoord = new QLabel(" -0.00000 , -0.00000 ", this);
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xycoord->setAlignment(::Qt::AlignHCenter);
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xycoord->setMinimumSize(xycoord->sizeHint());
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xycoord->clear();
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actionUse_OpenGL = new QAction(this);
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actionUse_OpenGL->setObjectName("actionUse_OpenGL");
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actionUse_OpenGL->setCheckable(true);
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actionUse_OpenGL->setText(tr("Use &OpenGL"));
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actionUse_OpenGL->setStatusTip(tr("Make Qt use OpenGL to display the graphical items, instead of its native painting system."));
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actionUse_OpenGL->setShortcut(tr("Ctrl+G"));
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actionUse_Antialiasing = new QAction(this);
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actionUse_Antialiasing->setObjectName("actionUse_Antialiasing");
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actionUse_Antialiasing->setCheckable(true);
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actionUse_Antialiasing->setText(tr("Use &anti-aliasing"));
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actionUse_Antialiasing->setStatusTip(tr("Make Qt use anti-aliasing when displaying the graphical items."));
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actionUse_Antialiasing->setShortcut(tr("Ctrl+A"));
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actionAboutCGAL = new QAction(this);
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actionAboutCGAL->setObjectName("actionAboutCGAL");
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actionAboutCGAL->setText(tr("About &CGAL..."));
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actionAbout = new QAction(this);
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actionAbout->setObjectName("actionAbout");
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actionAbout->setText(tr("&About..."));
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setAcceptDrops(true);
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}
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CGAL_INLINE_FUNCTION
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DemosMainWindow::~DemosMainWindow()
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{
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::dragEnterEvent(QDragEnterEvent *event)
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{
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if (event->mimeData()->hasFormat("text/uri-list"))
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event->acceptProposedAction();
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::dropEvent(QDropEvent *event)
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{
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Q_FOREACH(QUrl url, event->mimeData()->urls()) {
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QString filename = url.toLocalFile();
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this->open(filename);
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}
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event->acceptProposedAction();
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::addNavigation(QGraphicsView* graphicsView)
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{
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navigation = new CGAL::Qt::GraphicsViewNavigation();
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graphicsView->viewport()->installEventFilter(navigation);
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graphicsView->installEventFilter(navigation);
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QObject::connect(navigation, SIGNAL(mouseCoordinates(QString)),
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xycoord, SLOT(setText(QString)));
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view = graphicsView;
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::setupStatusBar()
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{
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this->statusBar()->addWidget(new QLabel(this), 1);
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this->statusBar()->addWidget(xycoord, 0);
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::setupOptionsMenu(QMenu* menuOptions)
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{
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// search for the Options menu
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if(!menuOptions) {
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menuOptions = getMenu("menuOptions", tr("&Options"));
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}
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// if not found, then create it
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if(!menuOptions) {
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menuOptions = new QMenu(this->menuBar());
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menuOptions->setTitle(tr("&Options"));
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this->menuBar()->addAction(menuOptions->menuAction());
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menuOptions->setObjectName("menuOptions");
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}
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if(!menuOptions->isEmpty()) {
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menuOptions->addSeparator();
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}
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menuOptions->addAction(actionUse_OpenGL);
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menuOptions->addAction(actionUse_Antialiasing);
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connect(actionUse_Antialiasing, SIGNAL(toggled(bool)),
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this, SLOT(setUseAntialiasing(bool)));
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connect(actionUse_OpenGL, SIGNAL(toggled(bool)),
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this, SLOT(setUseOpenGL(bool)));
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actionUse_Antialiasing->setChecked(true);
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::setupExportSVG(QAction* action, QGraphicsView* view)
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{
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this->view = view;
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connect(action, SIGNAL(triggered(bool)),
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this, SLOT(exportSVG()));
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}
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CGAL_INLINE_FUNCTION
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void DemosMainWindow::exportSVG()
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{
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QString fileName = QFileDialog::getSaveFileName(this,
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tr("Export to SVG"),
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".",
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tr("SVG (*.svg)\n"));
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QSvgGenerator svg;
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svg.setFileName(fileName);
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svg.setSize(this->view->size());
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svg.setViewBox(this->view->sceneRect());
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svg.setTitle(tr("%1 drawing").arg(qApp->applicationName()));
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svg.setDescription(tr("Generated using %1").arg(qApp->applicationName()));
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QPainter painter;
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painter.begin(&svg);
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this->view->render(&painter);
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painter.end();
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::setUseAntialiasing(bool checked)
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{
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view->setRenderHint(QPainter::Antialiasing, checked);
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view->setRenderHint(QPainter::HighQualityAntialiasing, checked);
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statusBar()->showMessage(tr("Antialiasing %1activated").arg(checked?"":"de-"),
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1000);
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::setUseOpenGL(bool checked)
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{
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if(checked) {
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QGLWidget* new_viewport = new QGLWidget;
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// Setup the format to allow antialiasing with OpenGL:
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// one need to activate the SampleBuffers, if the graphic driver allows
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// this.
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QGLFormat glformat = new_viewport->format();
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glformat.setOption(QGL::SampleBuffers);
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new_viewport->setFormat(glformat);
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view->setViewport(new_viewport);
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}
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else {
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view->setViewport(new QWidget);
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}
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statusBar()->showMessage(tr("OpenGL %1activated").arg(checked?"":"de-"),
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1000);
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view->viewport()->installEventFilter(navigation);
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view->setFocus();
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}
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CGAL_INLINE_FUNCTION
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QMenu*
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DemosMainWindow::getMenu(QString objectName, QString title)
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{
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QMenu* menu = NULL;
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QString title2 = title;
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title2.remove('&');
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// search if a menu has objectName()==objectName
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menu = this->findChild<QMenu*>(objectName);
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// then search if a menu has title()==title
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if(menu) {
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return menu;
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} else {
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Q_FOREACH(menu, this->findChildren<QMenu*>()) {
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if(menu->title() == title ||
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menu->title() == title2) {
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return menu;
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}
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}
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}
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return NULL;
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::popupAboutBox(QString title, QString html_resource_name)
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{
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QFile about_CGAL(html_resource_name);
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about_CGAL.open(QIODevice::ReadOnly);
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QString about_CGAL_txt = QTextStream(&about_CGAL).readAll();
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#ifdef CGAL_VERSION_STR
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QString cgal_version(CGAL_VERSION_STR);
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# ifdef CGAL_FAKE_PUBLIC_RELEASE
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cgal_version.replace(QRegExp("-Ic?.*"), "");
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# endif
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about_CGAL_txt.replace("<!--CGAL_VERSION-->",
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QString(" (version %1)")
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.arg(cgal_version));
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#endif
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QMessageBox mb(QMessageBox::NoIcon,
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title,
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about_CGAL_txt,
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QMessageBox::Ok,
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this);
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QLabel* mb_label = mb.findChild<QLabel*>("qt_msgbox_label");
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if(mb_label) {
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mb_label->setTextInteractionFlags(mb_label->textInteractionFlags() |
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::Qt::LinksAccessibleByMouse |
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::Qt::LinksAccessibleByKeyboard);
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}
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else {
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std::cerr << "Cannot find child \"qt_msgbox_label\" in QMessageBox\n"
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<< " with Qt version " << QT_VERSION_STR << "!\n";
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}
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mb.exec();
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}
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CGAL_INLINE_FUNCTION
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QMenu* DemosMainWindow::getHelpMenu()
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{
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QMenu* menuHelp = getMenu("menuHelp", tr("&Help"));
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if(!menuHelp) {
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menuHelp = new QMenu(this->menuBar());
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menuHelp->setTitle(tr("&Help"));
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this->menuBar()->addAction(menuHelp->menuAction());
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menuHelp->setObjectName("menuHelp");
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}
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return menuHelp;
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::addAboutCGAL(QMenu* menuHelp)
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{
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if(!menuHelp) {
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menuHelp = getHelpMenu();
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}
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menuHelp->addAction(actionAboutCGAL);
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connect(actionAboutCGAL, SIGNAL(triggered()),
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this, SLOT(popupAboutCGAL()));
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::addAboutDemo(QString htmlResourceName, QMenu* menuHelp)
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{
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if(!menuHelp) {
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menuHelp = getHelpMenu();
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}
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menuHelp->addAction(actionAbout);
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aboutHtmlResource = htmlResourceName;
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connect(actionAbout, SIGNAL(triggered()),
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this, SLOT(popupAboutDemo()));
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::popupAboutCGAL()
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{
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popupAboutBox(tr("About CGAL..."),
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":/cgal/help/about_CGAL.html");
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::popupAboutDemo()
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{
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popupAboutBox(tr("About the demo..."),
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aboutHtmlResource);
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::setMaxNumberOfRecentFiles(const unsigned int i)
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{
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maxNumRecentFiles = i;
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recentFileActs.resize(maxNumRecentFiles);
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}
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CGAL_INLINE_FUNCTION
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unsigned int
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DemosMainWindow::maxNumberOfRecentFiles() const
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{
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return maxNumRecentFiles;
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::openRecentFile_aux()
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{
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QAction *action = qobject_cast<QAction *>(sender());
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if (action)
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Q_EMIT openRecentFile(action->data().toString());
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}
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CGAL_INLINE_FUNCTION
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void
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DemosMainWindow::addToRecentFiles(QString fileName)
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{
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QSettings settings;
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QStringList files = settings.value("recentFileList").toStringList();
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files.removeAll(fileName);
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files.prepend(fileName);
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while (files.size() > (int)maxNumberOfRecentFiles())
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files.removeLast();
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settings.setValue("recentFileList", files);
|
||
|
|
|
||
|
|
updateRecentFileActions();
|
||
|
|
}
|
||
|
|
|
||
|
|
CGAL_INLINE_FUNCTION
|
||
|
|
void
|
||
|
|
DemosMainWindow::addRecentFiles(QMenu* menu, QAction* insertBeforeAction)
|
||
|
|
{
|
||
|
|
if(!insertBeforeAction) {
|
||
|
|
recentFilesSeparator = menu->addSeparator();
|
||
|
|
}
|
||
|
|
|
||
|
|
for (unsigned int i = 0; i < maxNumberOfRecentFiles(); ++i) {
|
||
|
|
recentFileActs[i] = new QAction(this);
|
||
|
|
recentFileActs[i]->setVisible(false);
|
||
|
|
connect(recentFileActs[i], SIGNAL(triggered()),
|
||
|
|
this, SLOT(openRecentFile_aux()));
|
||
|
|
if(insertBeforeAction)
|
||
|
|
menu->insertAction(insertBeforeAction, recentFileActs[i]);
|
||
|
|
else
|
||
|
|
menu->addAction(recentFileActs[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(insertBeforeAction) {
|
||
|
|
recentFilesSeparator = menu->insertSeparator(insertBeforeAction);
|
||
|
|
}
|
||
|
|
|
||
|
|
recentFilesSeparator->setVisible(false);
|
||
|
|
|
||
|
|
updateRecentFileActions();
|
||
|
|
}
|
||
|
|
|
||
|
|
CGAL_INLINE_FUNCTION
|
||
|
|
void
|
||
|
|
DemosMainWindow::updateRecentFileActions()
|
||
|
|
{
|
||
|
|
QSettings settings;
|
||
|
|
QStringList files = settings.value("recentFileList").toStringList();
|
||
|
|
|
||
|
|
int numRecentFiles = qMin(files.size(), (int)this->maxNumberOfRecentFiles());
|
||
|
|
|
||
|
|
for (int i = 0; i < numRecentFiles; ++i) {
|
||
|
|
QString strippedName = QFileInfo(files[i]).fileName();
|
||
|
|
QString text = tr("&%1 %2").arg(i).arg(strippedName);
|
||
|
|
recentFileActs[i]->setText(text);
|
||
|
|
recentFileActs[i]->setData(files[i]);
|
||
|
|
recentFileActs[i]->setVisible(true);
|
||
|
|
}
|
||
|
|
for (unsigned int j = numRecentFiles; j < maxNumberOfRecentFiles(); ++j)
|
||
|
|
recentFileActs[j]->setVisible(false);
|
||
|
|
|
||
|
|
recentFilesSeparator->setVisible(numRecentFiles > 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
CGAL_INLINE_FUNCTION
|
||
|
|
void DemosMainWindow::writeState(QString groupname)
|
||
|
|
{
|
||
|
|
QSettings settings;
|
||
|
|
|
||
|
|
settings.beginGroup(groupname);
|
||
|
|
settings.setValue("size", size());
|
||
|
|
settings.setValue("pos", pos());
|
||
|
|
settings.setValue("state", saveState());
|
||
|
|
settings.endGroup();
|
||
|
|
}
|
||
|
|
|
||
|
|
CGAL_INLINE_FUNCTION
|
||
|
|
void DemosMainWindow::readState(QString groupname, Options /*what_to_save*/)
|
||
|
|
{
|
||
|
|
QSettings settings;
|
||
|
|
|
||
|
|
settings.beginGroup(groupname);
|
||
|
|
resize(settings.value("size", this->size()).toSize());
|
||
|
|
|
||
|
|
QDesktopWidget* desktop = qApp->desktop();
|
||
|
|
QPoint pos = settings.value("pos", this->pos()).toPoint();
|
||
|
|
if(desktop->availableGeometry(pos).contains(pos)) {
|
||
|
|
move(pos);
|
||
|
|
}
|
||
|
|
QByteArray mainWindowState = settings.value("state").toByteArray();
|
||
|
|
if(!mainWindowState.isNull()) {
|
||
|
|
this->restoreState(mainWindowState);
|
||
|
|
}
|
||
|
|
settings.endGroup();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
} // namespace Qt
|
||
|
|
} // namespace CGAL
|