<issue_start><issue_comment>Title: Alt + Print Screen isn't correctly detected on Windows
username_0: key_callback gives a key with the value GLFW_KEY_UNKNOWN when I press Alt + Print Screen on Windows.
This happens because Windows gives a different scancode for Print Screen if Alt is pressed.
See https://handmade.network/forums/t/2011-keyboard_inputs_-_scancodes,_raw_input,_text_input,_key_names<issue_closed>