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ncurses remembers where it thinks the cursor is; if you are writing
to the screen outside of ncurses, you will confuse things and get
the wrong output unless you ensure that the cursor goes back to...

yes - that should work, since the reset (for Linux console) will reset the palette using \E]R

It sounds as if you're using Linux console.
ncurses has no way of knowing what the original colors were, so it cannot restore the colors.

By the way, Linux console has only 8 colors - setting...

The windows aren't really transparent: refreshing a
window causes the changes to be shown on the
standard screen. As noted, the panel library is used
to handle stacked windows. However, it's...