AboutDialog.cpp

/*
 * AboutDialog.cpp
 *
 * (c) 2016 Dame Diongue -- baydamd(@)gmail(.)com
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "AboutDialog.h"

#include <QtWidgets>

namespace mmp {

AboutDialog::AboutDialog(QWidget *parent) : QDialog(parent)
{
  // Defines fixed size
  resize(ABOUT_WINDOW_WIDTH, ABOUT_WINDOW_HEIGHT);
  setMinimumSize(ABOUT_WINDOW_WIDTH, ABOUT_WINDOW_HEIGHT);

  // Set title
  setWindowTitle(tr("About %1").arg(MM::APPLICATION_NAME));
  // Set Layout
  QGridLayout *mainLayout = new QGridLayout;
  setLayout(mainLayout);

  // Set icon label
  QLabel *iconLabel = new QLabel;
  iconLabel->setPixmap(QPixmap(":/mapmap-logo").scaled(64, 64, Qt::KeepAspectRatio, Qt::SmoothTransformation));
  iconLabel->setContentsMargins(0, 20, 0, 20);
  mainLayout->addWidget(iconLabel, 0, 0, 1, 1, Qt::AlignRight);
  // Set title label
  QLabel *textLabel = new QLabel;
  textLabel->setPixmap(QPixmap(":/mapmap-title-light").scaled(200, 40, Qt::KeepAspectRatio, Qt::SmoothTransformation));
  mainLayout->addWidget(textLabel, 0, 2);
  // Set version label
  QLabel *versionLabel = new QLabel;
  versionLabel->setText(QString("<h2> %1 </h2>").arg(MM::VERSION));
  versionLabel->setContentsMargins(7, 20, 0, 0);
  mainLayout->addWidget(versionLabel, 0, 3);

  // Add tab widget
  _tabWidget = new QTabWidget;
  mainLayout->addWidget(_tabWidget, 1, 0, 1, 4);

  // Close button
  QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Close);
  connect(buttonBox, SIGNAL(rejected()), this, SLOT(close()));
  mainLayout->addWidget(buttonBox, 2, 0, 1, 4);

  // Create and fill different tabs
  createAboutTab();
  // Changelog  Tab
  createChangelogTab();
  // Libraries
//  createLibrariesTab();
  // Contributors
  createContributorsTab();
  // License
  createLicenseTab();

  createOscTab();
}

void AboutDialog::createAboutTab()
{
  QWidget *aboutWidget = new QWidget;
  QVBoxLayout *aboutLayout = new QVBoxLayout(aboutWidget);

  // Add splash image at the top.
  QLabel *splashLabel = new QLabel;
  QPixmap splashPixmap(":/mapmap-splash");
  int targetWidth = qMin(splashPixmap.width(), ABOUT_WINDOW_WIDTH - 40);
  splashLabel->setPixmap(splashPixmap.scaledToWidth(targetWidth, Qt::SmoothTransformation));
  splashLabel->setAlignment(Qt::AlignCenter);
  aboutLayout->addWidget(splashLabel);

  QTextBrowser *aboutTextBrowser = new QTextBrowser;
  aboutTextBrowser->setOpenExternalLinks(true);

  // Software description
  QString aboutSoftwareText = "<p>" + tr("MapMap is a free/open source video mapping software.") + "</p>";
  // Copyright and software owners
  QString copyrightText = "<p>" + tr("Copyright &copy; 2013 %1.").arg(MM::COPYRIGHT_OWNERS) + "</p>";
  // License short notice
  QFile licenseShortFile(":/license-short");
  licenseShortFile.open(QIODevice::ReadOnly | QIODevice::Text);
  QString licenseNoticeText = Qt::convertFromPlainText(QString::fromUtf8(licenseShortFile.readAll()), Qt::WhiteSpaceNormal);
  // About projection mapping
  QFile aboutMappingFile(":/projection-mapping");
  aboutMappingFile.open(QIODevice::ReadOnly | QIODevice::Text);
  QString aboutMappingText = QString::fromUtf8(aboutMappingFile.readAll());
  // Visit our website for more information
  QString projectWebsiteText = "<p>" + tr("See the ") + QString("<a href=\"http://%1\">").arg(MM::ORGANIZATION_DOMAIN) +
                                                 tr("%1 website").arg(MM::APPLICATION_NAME) + "</a> for more information on this software.</p>";

  // Append texts
  QString aboutText;
  aboutText.append(aboutSoftwareText);
  aboutText.append(copyrightText);
  aboutText.append(licenseNoticeText);
  aboutText.append(aboutMappingText);
  aboutText.append(projectWebsiteText);

  // Set about text
  aboutTextBrowser->setText(aboutText);
  aboutLayout->addWidget(aboutTextBrowser);

  _tabWidget->addTab(aboutWidget, tr("About"));
}

void AboutDialog::createChangelogTab()
{
  QTextBrowser *changelogTextBrowser = new QTextBrowser;
  changelogTextBrowser->setOpenExternalLinks(true);

  QFile changelogFile(":/changelog_md");
  changelogFile.open(QIODevice::ReadOnly | QIODevice::Text);
  changelogTextBrowser->setMarkdown(QString::fromUtf8(changelogFile.readAll()));
  _tabWidget->addTab(changelogTextBrowser, tr("Changelog"));
}

void AboutDialog::createLibrariesTab()
{
  QTextBrowser *librariesTextBrowser = new QTextBrowser;
  librariesTextBrowser->setOpenExternalLinks(true);

  QString qtVersionText = QString("<h4>Qt %1</h4>").arg(QT_VERSION_STR);

  QString librairiesText;
  librairiesText.append(qtVersionText);

  // Set librairies main text
  librariesTextBrowser->setText(librairiesText);
  _tabWidget->addTab(librariesTextBrowser, tr("Libraries"));
}

void AboutDialog::createContributorsTab()
{
  QTextBrowser *contributorsTextBrowser = new QTextBrowser;
  contributorsTextBrowser->setOpenExternalLinks(true);

  QFile contributorsFile(":/contributors_md");
  contributorsFile.open(QIODevice::ReadOnly | QIODevice::Text);
  contributorsTextBrowser->setMarkdown(QString::fromUtf8(contributorsFile.readAll()));
  _tabWidget->addTab(contributorsTextBrowser, tr("Contributors"));
}

void AboutDialog::createLicenseTab()
{
  QTextBrowser *licenseTextBrowser = new QTextBrowser;
  licenseTextBrowser->setOpenExternalLinks(true);

  QFile licenseFile(":/license");
  licenseFile.open(QIODevice::ReadOnly | QIODevice::Text);
  licenseTextBrowser->setText(QString::fromUtf8(licenseFile.readAll()));

  _tabWidget->addTab(licenseTextBrowser, tr("License"));
}

void AboutDialog::createOscTab()
{

  QTextBrowser *oscBrowser = new QTextBrowser;
  oscBrowser->setOpenExternalLinks(true);

  QFile oscFile(":/osc-documentation_md");
  oscFile.open(QIODevice::ReadOnly | QIODevice::Text);
  oscBrowser->setMarkdown(QString::fromUtf8(oscFile.readAll()));
  _tabWidget->addTab(oscBrowser, tr("OSC Commands"));
}

}