I understood you correctly, I am saying that my C::B (last nightly on MSW7) shows the codes as expected.
You have not stated your C::B version or OS. Certainly, on Mint18 said codes are not shown, but the same happens with the text editor and the console.
Here is the information on my version of Code::Blocks
Name : Code::Blocks
Version : 20.03-r11983
SDK Version : 2.0.0
Scintilla Version: 3.7.5
Author : The Code::Blocks Team
E-mail : info@codeblocks.org
Website :
http://www.codeblocks.orgwxWidgets Library (wxMSW port)
Version 3.1.3 (Unicode: wchar_t, debug level: 1),
compiled at Nov 1 2019 18:53:26
Runtime version of toolkit used is 10.0.
Here is the information on my version of Windows:
Microsoft Windows
Versione 23H2 (build SO 22631.4391)
C Microsoft Corporation. Tutti i diritti riservati.