Add convenience wrapper for log translation

AdaptiveBrightness/log_tr.hpp

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <utility>
+
+#include <QByteArray>
+#include <QObject>
+#include <QString>
+
+namespace detail {
+
+class LogTr {
+  public:
+    LogTr() = delete;
+    LogTr(const char* strLiteral) : m_string(QObject::tr(strLiteral)) {}
+
+    operator const char *()
+    {
+        m_utf8String = m_string.toUtf8();
+        return m_utf8String.constData();
+    }
+
+    template<typename... Args>
+    LogTr& arg(Args&&... args)
+    {
+        m_string = m_string.arg(std::forward<Args>(args)...);
+        return *this;
+    }
+
+  private:
+    QString m_string;
+    QByteArray m_utf8String;
+};
+
+} // namespace detail
+
+detail::LogTr ltr(const char* formatString)
+{
+    return detail::LogTr(formatString);
+}

AdaptiveBrightness/main.cpp

@@ -4,6 +4,7 @@
 #include <QtGlobal>
 
 #include "log_to_file.hpp"
+#include "log_tr.hpp"
 #include "main_window.hpp"
 #include "sensor_driver.hpp"
 
@@ -21,10 +22,10 @@ int main(int argc, char* argv[])
         const auto sensorRange = sensor.readRange();
         const auto sensorValues = sensor.readValues();
 
-        qInfo("Sensor range: [%d,%d]", sensorRange.first, sensorRange.second);
+        qInfo(ltr("Sensor range: [%1,%2]").arg(sensorRange.first).arg(sensorRange.second));
 
         for(size_t i = 0; i < sensorValues.size(); ++i) {
-            qInfo("Sensor value %d: %d", i, sensorValues[i]);
+            qInfo(ltr("Sensor value %1: %2").arg(i).arg(sensorValues[i]));
         }
     }