I was wondering if it was possible to scroll (left or right) along the status line so that the content (which could not be displayed due to the size of the window) could be seen.
Perhaps there is a key combination that allows this, something like Control+E
and Control+Y
(key combinations that allow you to move through the content of the file).
Complete statusline
Incomplete statusline
:set statusline?
output) and then create convenient mapping that evaluates that expression and echos it in the message/command-line area (it won't be truncated there).