diff options
| -rw-r--r-- | basta.sh | 32 |
1 files changed, 30 insertions, 2 deletions
@@ -4,10 +4,22 @@ old_cmdno=${old_cmdno-0} old_lines=${old_lines-0} old_cols=${old_cols-0} +existing_reserved_rows=${existing_reserved_rows-} + +calc_existing_rows() +{ + local esc=$(printf "\033") + printf "${esc}7$esc[999;999H" + local realrows=$(get_current_line) + printf "${esc}8" + existing_reserved_rows=$((realrows - LINES)) +} + prepare_terminal() { - stty rows $((LINES - 1)) - printf "\n\033[1A" + [ -n "$existing_reserved_rows" ] || calc_existing_rows + stty rows $((LINES - existing_reserved-rows - 1)) + printf "\n\033[A" old_lines=$LINES old_cols=$COLUMNS } @@ -76,6 +88,20 @@ update_status_timer() done } +release_status() +{ + local esc=$(printf "\033") + local newlines=$((LINES + 1)) + + if [ $existing_reserved_rows ] && [ $existing_reserved_rows -gt 0 ] ; then + printf "$esc[1;%sr" $((newlines - existing_reserved_rows)) + else + printf "$esc[1r" + fi + + stty rows $newlines +} + PROMPT_COMMAND='update_status_line' if ! [ $update_status_alarm ] ; then @@ -85,6 +111,8 @@ if ! [ $update_status_alarm ] ; then disown $! fi +trap release_status EXIT + # Copyright 2023 # Kaz Kylheku <kaz@kylheku.com> # Vancouver, Canada |