Qt: Add third-party license statements

pcsx2-qt/AboutDialog.cpp

@@ -6,8 +6,17 @@
 #include "AboutDialog.h"
 #include "QtHost.h"
 #include "QtUtils.h"
+
+#include "common/FileSystem.h"
+#include "common/Path.h"
+
+#include <QtCore/QFile>
 #include <QtCore/QString>
+#include <QtGui/QDesktopServices>
 #include <QtWidgets/QDialog>
+#include <QtWidgets/QDialogButtonBox>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QTextBrowser>
 
 AboutDialog::AboutDialog(QWidget* parent)
 	: QDialog(parent)
@@ -21,9 +30,8 @@ AboutDialog::AboutDialog(QWidget* parent)
 	m_ui.scmversion->setText(QtHost::GetAppNameAndVersion());
 
 	m_ui.links->setTextInteractionFlags(Qt::TextBrowserInteraction);
-	m_ui.links->setOpenExternalLinks(true);
 	m_ui.links->setText(QStringLiteral(
-		R"(<a href="%1">%2</a> | <a href="%3">%4</a> | <a href="%5">%6</a> | <a href="%7">%8</a>)")
+		R"(<a href="%1">%2</a> | <a href="%3">%4</a> | <a href="%5">%6</a> | <a href="%7">%8</a> | <a href="%9">%10</a>)")
 							.arg(getWebsiteUrl())
 							.arg(tr("Website"))
 							.arg(getSupportForumsUrl())
@@ -31,8 +39,11 @@ AboutDialog::AboutDialog(QWidget* parent)
 							.arg(getGitHubRepositoryUrl())
 							.arg(tr("GitHub Repository"))
 							.arg(getLicenseUrl())
-							.arg(tr("License")));
+							.arg(tr("License"))
+							.arg(getThirdPartyLicensesUrl())
+							.arg(tr("Third-Party Licenses")));
 
+	connect(m_ui.links, &QLabel::linkActivated, this, &AboutDialog::linksLinkActivated);
 	connect(m_ui.buttonBox, &QDialogButtonBox::rejected, this, &QDialog::close);
 }
 
@@ -55,10 +66,64 @@ QString AboutDialog::getGitHubRepositoryUrl()
 
 QString AboutDialog::getLicenseUrl()
 {
-	return QString::fromUtf8(PCSX2_LICENSE_URL);
+	return QUrl::fromLocalFile(QString::fromUtf8(Path::Combine(EmuFolders::AppRoot,
+								   "docs" FS_OSPATH_SEPARATOR_STR "GPL.html")))
+		.toString();
+}
+
+QString AboutDialog::getThirdPartyLicensesUrl()
+{
+	return QUrl::fromLocalFile(QString::fromUtf8(Path::Combine(EmuFolders::AppRoot,
+								   "docs" FS_OSPATH_SEPARATOR_STR "ThirdPartyLicenses.html")))
+		.toString();
 }
 
 QString AboutDialog::getDiscordServerUrl()
 {
 	return QString::fromUtf8(PCSX2_DISCORD_URL);
 }
+
+void AboutDialog::linksLinkActivated(const QString& link)
+{
+	const QUrl url(link);
+	if (!url.isValid())
+		return;
+
+	if (!url.isLocalFile())
+	{
+		QDesktopServices::openUrl(url);
+		return;
+	}
+
+	showHTMLDialog(this, tr("View Document"), url.toLocalFile());
+}
+
+void AboutDialog::showHTMLDialog(QWidget* parent, const QString& title, const QString& path)
+{
+	QDialog dialog(parent);
+	dialog.setMinimumSize(700, 400);
+	dialog.setWindowTitle(title);
+	dialog.setWindowIcon(QtHost::GetAppIcon());
+
+	QVBoxLayout* layout = new QVBoxLayout(&dialog);
+
+	QTextBrowser* tb = new QTextBrowser(&dialog);
+	tb->setAcceptRichText(true);
+	tb->setReadOnly(true);
+	tb->setOpenExternalLinks(true);
+
+	QFile file(path);
+	file.open(QIODevice::ReadOnly);
+	if (const QByteArray data = file.readAll(); !data.isEmpty())
+		tb->setText(QString::fromUtf8(data));
+	else
+		tb->setText(tr("File not found: %1").arg(path));
+
+	layout->addWidget(tb, 1);
+
+	QDialogButtonBox* bb = new QDialogButtonBox(QDialogButtonBox::Close, &dialog);
+	connect(bb->button(QDialogButtonBox::Close), &QPushButton::clicked, &dialog, &QDialog::done);
+	layout->addWidget(bb, 0);
+
+	dialog.exec();
+}

pcsx2-qt/AboutDialog.h

@@ -18,8 +18,14 @@ public:
 	static QString getSupportForumsUrl();
 	static QString getGitHubRepositoryUrl();
 	static QString getLicenseUrl();
+	static QString getThirdPartyLicensesUrl();
 	static QString getDiscordServerUrl();
 
+	static void showHTMLDialog(QWidget* parent, const QString& title, const QString& url);
+
+private Q_SLOTS:
+	void linksLinkActivated(const QString& link);
+
 private:
 	Ui::AboutDialog m_ui;
 };