Hi,
Yes it is and it's expected behavior. We cannot restore sth what we
do not know. Anyhow it's possible to make a trick and simulate such
behavior on some terminals which supports alternative screen display.
This code shows it. It works with terminals which supports the following
escape sequences:
ESC [ ? 47 h // switch to alternate screen
ESC [ ? 47 l // restore original screen
#!/usr/bin/hbrun //GTTRM
proc main()
fwrite( 1, chr( 27 ) + "[?47h" ) // switch to alternate screen
dispbox( 0, 0, maxrow(), maxcol(), "+-+|+-+| " )
wait
fwrite( 1, chr( 27 ) + "[?47l" ) // restore startup screen
return
Excellent !
-> ok with xterm and gnome-terminal
-> not ok on text console (ctrl-alt-fx)
Thank you very much Przemek. Very usefull trick !
Best regards,
Guy
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