Separate the log level and the flag for writing the log level

components/debug/debugging.cpp

@@ -113,12 +113,15 @@ namespace Debug
         {
             if (size <= 0)
                 return size;
-            std::string_view msg{ str, size_t(size) };
+            std::string_view msg{ str, static_cast<size_t>(size) };
 
             // Skip debug level marker
-            Level level = getLevelMarker(str);
-            if (level != NoLevel)
+            Level level = All;
+            if (Log::sWriteLevel)
+            {
+                level = getLevelMarker(msg[0]);
                 msg = msg.substr(1);
+            }
 
             char prefix[32];
             std::size_t prefixSize;
@@ -159,14 +162,11 @@ namespace Debug
         virtual ~DebugOutputBase() = default;
 
     protected:
-        static Level getLevelMarker(const char* str)
+        static Level getLevelMarker(char marker)
         {
-            if (unsigned(*str) <= unsigned(Marker))
-            {
-                return Level(*str);
-            }
-
-            return NoLevel;
+            if (0 <= marker && static_cast<unsigned>(marker) < static_cast<unsigned>(All))
+                return static_cast<Level>(marker);
+            return All;
         }
 
         virtual std::streamsize writeImpl(const char* str, std::streamsize size, Level debugLevel)
@@ -216,7 +216,7 @@ namespace Debug
                     return DarkGray;
                 case Debug:
                     return DarkGray;
-                case NoLevel:
+                case All:
                     return Reset;
             }
             return Reset;
@@ -378,7 +378,8 @@ namespace Debug
 
     void setupLogging(const std::filesystem::path& logDir, std::string_view appName)
     {
-        CurrentDebugLevel = getDebugLevel();
+        Log::sMinDebugLevel = getDebugLevel();
+        Log::sWriteLevel = true;
 
 #if !(defined(_WIN32) && defined(_DEBUG))
         const std::string logName = Misc::StringUtils::lowerCase(appName) + ".log";
@@ -473,7 +474,9 @@ namespace Debug
         // Restore cout and cerr
         std::cout.rdbuf(rawStdout->rdbuf());
         std::cerr.rdbuf(rawStderr->rdbuf());
-        CurrentDebugLevel = NoLevel;
+
+        Log::sMinDebugLevel = All;
+        Log::sWriteLevel = false;
 
         return ret;
     }

components/debug/debuglog.cpp

@@ -5,15 +5,13 @@
 #include <components/files/conversion.hpp>
 #include <components/misc/strings/conversion.hpp>
 
-namespace Debug
-{
-    Level CurrentDebugLevel = Level::NoLevel;
-}
-
 static std::mutex sLock;
 
+Debug::Level Log::sMinDebugLevel = Debug::All;
+bool Log::sWriteLevel = false;
+
 Log::Log(Debug::Level level)
-    : mShouldLog(level <= Debug::CurrentDebugLevel)
+    : mShouldLog(level <= sMinDebugLevel)
 {
     // No need to hold the lock if there will be no logging anyway
     if (!mShouldLog)
@@ -22,9 +20,7 @@ Log::Log(Debug::Level level)
     // Locks a global lock while the object is alive
     sLock.lock();
 
-    // If the app has no logging system enabled, log level is not specified.
-    // Show all messages without marker - we just use the plain cout in this case.
-    if (Debug::CurrentDebugLevel == Debug::NoLevel)
+    if (!sWriteLevel)
         return;
 
     std::cout << static_cast<unsigned char>(level);

components/debug/debuglog.hpp

@@ -6,24 +6,23 @@
 
 namespace Debug
 {
-    enum Level
+    enum Level : unsigned
     {
         Error = 1,
         Warning = 2,
         Info = 3,
         Verbose = 4,
         Debug = 5,
-        Marker = Debug,
-
-        NoLevel = 6 // Do not filter messages in this case
+        All = 6,
     };
-
-    extern Level CurrentDebugLevel;
 }
 
 class Log
 {
 public:
+    static Debug::Level sMinDebugLevel;
+    static bool sWriteLevel;
+
     explicit Log(Debug::Level level);
     ~Log();
 

components/myguiplatform/myguiloglistener.cpp

@@ -40,7 +40,7 @@ namespace osgMyGUI
 
     MyGUI::LogLevel LogFacility::getCurrentLogLevel() const
     {
-        switch (Debug::CurrentDebugLevel)
+        switch (Log::sMinDebugLevel)
         {
             case Debug::Error:
                 return MyGUI::LogLevel::Error;