source: smplayer/trunk/src/about.cpp

/*  smplayer, GUI front-end for mplayer.
    Copyright (C) 2006-2017 Ricardo Villalba <rvm@users.sourceforge.net>

    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 2 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, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "about.h"
#include "images.h"
#include "version.h"
#include "global.h"
#include "preferences.h"
#include "paths.h"
#include "inforeader.h"
#include "links.h"

#include <QFile>
#include <QDesktopServices>

#if QT_VERSION >= 0x050000
#include "myscroller.h"
#endif

using namespace Global;

About::About(QWidget * parent, Qt::WindowFlags f)
        : QDialog(parent, f)
{
        setupUi(this);
        setWindowIcon( Images::icon("logo", 64) );

#if QT_VERSION >= 0x050000
        MyScroller::setScroller(info->viewport());
        MyScroller::setScroller(contributions->viewport());
        MyScroller::setScroller(translators->viewport());
        MyScroller::setScroller(license->viewport());
#endif

        logo->setPixmap( QPixmap(":/default-theme/logo.png").scaledToHeight(64, Qt::SmoothTransformation) );
        contrib_icon->setPixmap( Images::icon("contributors" ) );
        translators_icon->setPixmap( Images::icon("translators" ) );
        license_icon->setPixmap( Images::icon("license" ) );

        InfoReader * i = InfoReader::obj(pref->mplayer_bin);
        i->getInfo();
        QString mplayer_version = tr("Using %1").arg(i->playerVersion());

        info->setText(
                "<b>SMPlayer</b> &copy; 2006-2017 Ricardo Villalba &lt;rvm@users.sourceforge.net&gt;<br><br>"
                "<b>" + tr("Version: %1").arg(Version::printable()) + "</b>" +
                (Version::is_unstable() ? "<br><i>" + tr("Development version") +"</i>" : "") +
#if PORTABLE_APP
                "<br>" + tr("Portable Edition") +
#endif
                "<p>" +
                tr("Using Qt %1 (compiled with Qt %2)").arg(qVersion()).arg(QT_VERSION_STR) + "<br>" +
                mplayer_version + "<br><br>" +
                "<b>"+ tr("Links:") +"</b><br>"+
                tr("Official website:") +" "+  link(URL_HOMEPAGE) +"<br>"+
                tr("Support forum:") +" "+  link(URL_FORUM) +"<br>"+
        "<br>" +
                /*
                tr("SMPlayer uses the award-winning MPlayer as playback engine. See %1")
                   .arg("<a href=\"http://www.mplayerhq.hu/design7/info.html\">http://www.mplayerhq.hu</a>") +
                */
#if defined(MPV_SUPPORT) && defined(MPLAYER_SUPPORT)
                tr("SMPlayer is a graphical interface for %1 and %2.")
                        .arg("<a href=\"http://www.mplayerhq.hu/design7/info.html\">MPlayer</a>")
                        .arg("<a href=\"http://www.mpv.io\">mpv</a>") +
#else
                tr("SMPlayer is a graphical interface for %1.")
        #ifdef MPV_SUPPORT
                        .arg("<a href=\"http://www.mpv.io\">mpv</a>") +
        #endif
        #ifdef MPLAYER_SUPPORT
                        .arg("<a href=\"http://www.mplayerhq.hu/design7/info.html\">MPlayer</a>") +
        #endif
#endif
        "<br><br>" +
                tr("Subtitles service powered by %1").arg("<a href=\"http://www.opensubtitles.org\">www.OpenSubtitles.org</a>")
        /* + "<br><a href=\"http://www.opensubtitles.org\"><img src=\":default-theme/opensubtitles-logo.png\"></a>" */
        );


        QString license_text =
                "<i>"
                "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 2 of the License, or "
                "(at your option) any later version."  "</i><br><br>";
                
        QString license_file = Paths::doc("gpl.html", "en");
        if (QFile::exists(license_file)) {
                license_file = QUrl::fromLocalFile(license_file).toString();
                license_text += QString("<a href=\"%1\">%2</a>").arg(license_file).arg(tr("Read the entire license"));
        }

        if ((pref->language != "en") && (pref->language != "en_US")) {
                QString license_trans_file = Paths::doc("gpl.html", pref->language, false);
                //qDebug("license_trans_file: %s", license_trans_file.toUtf8().constData());
                if (QFile::exists(license_trans_file)) {
                        license_trans_file = QUrl::fromLocalFile(license_trans_file).toString();
                        license_text += QString("<br><a href=\"%1\">%2</a>").arg(license_trans_file).arg(tr("Read a translation"));
                }
        }
        license->setText(license_text);
        license->setOpenLinks(false);
        license->setOpenExternalLinks(false);
        connect(license, SIGNAL(anchorClicked(const QUrl &)), this, SLOT(openLink(const QUrl&)));

        translators->setHtml( getTranslators() );

        contributions->setText(
        tr("SMPlayer logo by %1").arg("Charles Barcza &lt;kbarcza@blackpanther.hu&gt;") + "<br><br>" +
                tr("Packages for Windows created by %1").arg("redxii &lt;redxii@users.sourceforge.net&gt;") + "<br><br>" +
                tr("Many other people contributed with patches. See the Changelog for details.")
        );


        // Copy the background color ("window") of the tab widget to the "base" color of the qtextbrowsers
        // Problem, it doesn't work with some styles, so first we change the "window" color of the tab widgets.
        info_tab->setAutoFillBackground(true);
        contributions_tab->setAutoFillBackground(true);
        translations_tab->setAutoFillBackground(true);
        license_tab->setAutoFillBackground(true);

        QPalette pal = info_tab->palette();
        pal.setColor(QPalette::Window, palette().color(QPalette::Window) );

        info_tab->setPalette(pal);
        contributions_tab->setPalette(pal);
        translations_tab->setPalette(pal);
        license_tab->setPalette(pal);

        QPalette p = info->palette();
        //p.setBrush(QPalette::Base, info_tab->palette().window());
        p.setColor(QPalette::Base, info_tab->palette().color(QPalette::Window));

        info->setPalette(p);
        contributions->setPalette(p);
        translators->setPalette(p);
        license->setPalette(p);

        tab_widget->removeTab(0);

        adjustSize();
}

About::~About() {
}

QString About::getTranslators() {
        return QString(
                 tr("Many people contributed with translations.") +" "+
                 tr("You can also help to translate SMPlayer into your own language.") +"<p>"+
                 tr("Visit %1 and join a translation team.").arg("<a href=\"http://www.transifex.com/projects/p/smplayer/\">http://www.transifex.com/projects/p/smplayer/</a>") +
                "<p><a href=\"" URL_TRANSLATORS "\">" +
                 tr("Click here to know the translators from the transifex teams") +
                "</a>");
}

QString About::trad(const QString & lang, const QString & author) {
        return trad(lang, QStringList() << author);
}

QString About::trad(const QString & lang, const QStringList & authors) {
        QString s;
        for (int n = 0; n < authors.count(); n++) {
                QString author = authors[n];
                s += author.replace("<", "&lt;").replace(">", "&gt;");
                if (n < (authors.count()-1)) s += ", ";
        }
        //return QString("<h3>%1:</h3><h4>%2</h4><hr>").arg(lang).arg(s);
        return QString("<p><b>%1</b>: %2</p>").arg(lang).arg(s);
}

QString About::link(const QString & url, QString name) {
        if (name.isEmpty()) name = url;
        return QString("<a href=\"" + url + "\">" + name +"</a>");
}

QString About::contr(const QString & author, const QString & thing) {
        return "<li>"+ tr("<b>%1</b> (%2)").arg(author).arg(thing) +"</li>";
}

QSize About::sizeHint () const {
        return QSize(518, 326);
}

void About::openLink(const QUrl & link) {
        qDebug("About::openLink: '%s'", link.toString().toUtf8().constData());
        QDesktopServices::openUrl(link);
}

#include "moc_about.cpp"