cleanup suggested by clang-tidy

App/AppOptions.cpp

@@ -24,8 +24,6 @@
 
 namespace {
 
-const char* geometry = "geometry";
-
 //! Converts string "1600x1000" to QSize(1600, 1000)
 QSize windowSize(const QString& size_string)
 {
@@ -60,7 +58,7 @@ ApplicationOptions::ApplicationOptions(int argc, char** argv)
     m_options.add_options()("help,h", "print help message and exit");
     m_options.add_options()("version,v", "print version and exit");
     m_options.add_options()("with-debug", "run application with debug printout");
-    m_options.add_options()(geometry, bpo::value<std::string>(),
+    m_options.add_options()("geometry", bpo::value<std::string>(),
                             "Main window geometry, e.g. 1600x1000");
     m_options.add_options()("project-file", bpo::value<std::string>(), "project file");
     m_positional_options.add("project-file", -1);
@@ -117,7 +115,7 @@ void ApplicationOptions::processOptions()
         exit(0);
     }
 
-    else if (m_variables_map.count(geometry)) {
+    else if (m_variables_map.count("geometry")) {
         if (!isValid(mainWindowSize()))
             exitWithGuiMessage("Wrong window size, try --geometry=1600x900\n");
     }
@@ -125,7 +123,7 @@ void ApplicationOptions::processOptions()
 
 QSize ApplicationOptions::mainWindowSize() const
 {
-    QString size_str = QString::fromStdString(m_variables_map[geometry].as<std::string>());
+    QString size_str = QString::fromStdString(m_variables_map["geometry"].as<std::string>());
     return windowSize(size_str);
 }