// Copyright 2005-2017 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.

#include "murmur_pch.h"

#if QT_VERSION >= 0x050000
# include <QtWidgets/QApplication>
#else
# include <QtGui/QApplication>
#endif

#include "About.h"
#include "Version.h"
#include "License.h"

AboutDialog::AboutDialog(QWidget *p, AboutDialogOptions options) : QDialog(p) {
	setWindowTitle(tr("About Murmur"));
	setMinimumSize(QSize(400, 300));

	QTabWidget *qtwTab = new QTabWidget(this);
	QVBoxLayout *vblMain = new QVBoxLayout(this);

	QTextEdit *qteLicense = new QTextEdit(qtwTab);
	qteLicense->setReadOnly(true);
	qteLicense->setPlainText(License::license());

	QTextEdit *qteAuthors = new QTextEdit(qtwTab);
	qteAuthors->setReadOnly(true);
	qteAuthors->setPlainText(License::authors());

	QTextBrowser *qtb3rdPartyLicense = new QTextBrowser(qtwTab);
	qtb3rdPartyLicense->setReadOnly(true);
	qtb3rdPartyLicense->setOpenExternalLinks(true);

	QList<LicenseInfo> thirdPartyLicenses = License::thirdPartyLicenses();
	foreach(LicenseInfo li, thirdPartyLicenses) {
		qtb3rdPartyLicense->append(QString::fromLatin1("<h3>%1 (<a href=\"%2\">%2</a>)</h3><pre>%3</pre>")
				.arg(Qt::escape(li.name))
				.arg(Qt::escape(li.url))
				.arg(Qt::escape(li.license)));
	}

	qtb3rdPartyLicense->moveCursor(QTextCursor::Start);

	QWidget *about = new QWidget(qtwTab);

	QLabel *icon = new QLabel(about);
	QIcon windowIcon = QApplication::windowIcon();
	icon->setPixmap(windowIcon.pixmap(windowIcon.actualSize(QSize(128, 128))));

	QLabel *text = new QLabel(about);
	text->setOpenExternalLinks(true);
	text->setText(tr(
		"<h3>Murmur (%1)</h3>"
		"<p>%3</p>"
		"<p><tt><a href=\"%2\">%2</a></tt></p>"
	).arg(QLatin1String(MUMBLE_RELEASE))
	 .arg(QLatin1String("http://www.mumble.info/"))
	 .arg(QLatin1String("Copyright 2005-2017 The Mumble Developers")));
	QHBoxLayout *qhbl = new QHBoxLayout(about);
	qhbl->addWidget(icon);
	qhbl->addWidget(text);

	qtwTab->addTab(about, tr("&About Murmur"));
	qtwTab->addTab(qteLicense, tr("&License"));
	qtwTab->addTab(qteAuthors, tr("A&uthors"));
	qtwTab->addTab(qtb3rdPartyLicense, tr("&Third-party licenses"));

	if (options == AboutDialogOptionsShowAbout) {
		qtwTab->setCurrentWidget(about);
	} else if (options == AboutDialogOptionsShowLicense) {
		qtwTab->setCurrentWidget(qteLicense);
	} else if (options == AboutDialogOptionsShowAuthors) {
		qtwTab->setCurrentWidget(qteAuthors);
	} else if (options == AboutDialogOptionsShowThirdPartyLicenses) {
		qtwTab->setCurrentWidget(qtb3rdPartyLicense);
	}

	QPushButton *okButton = new QPushButton(tr("OK"), this);
	connect(okButton, SIGNAL(clicked()), this, SLOT(accept()));

	vblMain->addWidget(qtwTab);
	vblMain->addWidget(okButton);
}
