Add HelpIcon

A QLabel consisting of a question mark icon and tooltip

lib/utils/help-icon.cpp

@@ -0,0 +1,19 @@
+#include "help-icon.hpp"
+#include "ui-helpers.hpp"
+
+namespace advss {
+
+HelpIcon::HelpIcon(const QString &tooltip, QWidget *parent) : QLabel(parent)
+{
+	auto path = GetThemeTypeName() == "Light"
+			    ? ":/res/images/help.svg"
+			    : ":/res/images/help_light.svg";
+	QIcon icon(path);
+	QPixmap pixmap = icon.pixmap(QSize(16, 16));
+	setPixmap(pixmap);
+	if (!tooltip.isEmpty()) {
+		setToolTip(tooltip);
+	}
+}
+
+} // namespace advss