user details dialog fixes

src/utils.cpp

@@ -7,9 +7,23 @@
 
 #include <QJsonDocument>
 
+using namespace Quotient;
+
 bool QmlUtils::isValidJson(const QByteArray &json)
 {
     return !QJsonDocument::fromJson(json).isNull();
 }
 
+QString QmlUtils::escapeString(const QString &string)
+{
+    return string.toHtmlEscaped();
+}
+
+QColor QmlUtils::getUserColor(qreal hueF)
+{
+    const auto lightness = static_cast<QGuiApplication *>(QGuiApplication::instance())->palette().color(QPalette::Active, QPalette::Window).lightnessF();
+    // https://github.com/quotient-im/libQuotient/wiki/User-color-coding-standard-draft-proposal
+    return QColor::fromHslF(hueF, 1, -0.7 * lightness + 0.9, 1);
+}
+
 #include "moc_utils.cpp"