ANSI colors in Windows 10 (v0.13)

contrib/epee/src/mlog.cpp

@@ -28,6 +28,13 @@
 #ifndef _MLOG_H_
 #define _MLOG_H_
 
+#ifdef _WIN32
+#include <windows.h>
+#ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
+#define ENABLE_VIRTUAL_TERMINAL_PROCESSING  0x0004
+#endif
+#endif
+
 #include <time.h>
 #include <atomic>
 #include <boost/filesystem.hpp>
@@ -117,6 +124,31 @@ static const char *get_default_categories(int level)
   return categories;
 }
 
+#ifdef WIN32
+bool EnableVTMode()
+{
+  // Set output mode to handle virtual terminal sequences
+  HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
+  if (hOut == INVALID_HANDLE_VALUE)
+  {
+    return false;
+  }
+
+  DWORD dwMode = 0;
+  if (!GetConsoleMode(hOut, &dwMode))
+  {
+    return false;
+  }
+
+  dwMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
+  if (!SetConsoleMode(hOut, dwMode))
+  {
+    return false;
+  }
+  return true;
+}
+#endif
+
 void mlog_configure(const std::string &filename_base, bool console, const std::size_t max_log_file_size, const std::size_t max_log_files)
 {
   el::Configurations c;
@@ -202,6 +234,9 @@ void mlog_configure(const std::string &filename_base, bool console, const std::s
     monero_log = get_default_categories(0);
   }
   mlog_set_log(monero_log);
+#ifdef WIN32
+  EnableVTMode();
+#endif
 }
 
 void mlog_set_categories(const char *categories)