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Multi column lists 

Parameter sizing of columns
This commit is contained in:
Austin Horstman 2022-01-16 21:19:40 -06:00
parent b24bd78594
commit 792bc52139
1 changed files with 84 additions and 46 deletions
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130
startup.sh Normal file → Executable file
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@ -30,46 +30,92 @@ select_option() {
cursor_blink_on() { printf "$ESC[?25h"; }
cursor_blink_off() { printf "$ESC[?25l"; }
cursor_to() { printf "$ESC[$1;${2:-1}H"; }
print_option() { printf " $1 "; }
print_selected() { printf " $ESC[7m $1 $ESC[27m"; }
print_option() { printf "$2 $1 "; }
print_selected() { printf "$2 $ESC[7m $1 $ESC[27m"; }
get_cursor_row() { IFS=';' read -sdR -p $'\E[6n' ROW COL; echo ${ROW#*[}; }
key_input() { read -s -n3 key 2>/dev/null >&2
if [[ $key = $ESC[A ]]; then echo up; fi
if [[ $key = $ESC[B ]]; then echo down; fi
if [[ $key = "" ]]; then echo enter; fi; }
get_cursor_col() { IFS=';' read -sdR -p $'\E[6n' ROW COL; echo ${COL#*[}; }
key_input() {
local key
IFS= read -rsn1 key 2>/dev/null >&2
if [[ $key = "" ]]; then echo enter; fi;
if [[ $key = $'\x20' ]]; then echo space; fi;
if [[ $key = "k" ]]; then echo up; fi;
if [[ $key = "j" ]]; then echo down; fi;
if [[ $key = "h" ]]; then echo left; fi;
if [[ $key = "l" ]]; then echo right; fi;
if [[ $key = "a" ]]; then echo all; fi;
if [[ $key = "n" ]]; then echo none; fi;
if [[ $key = $'\x1b' ]]; then
read -rsn2 key
if [[ $key = [A || $key = k ]]; then echo up; fi;
if [[ $key = [B || $key = j ]]; then echo down; fi;
if [[ $key = [C || $key = l ]]; then echo right; fi;
if [[ $key = [D || $key = h ]]; then echo left; fi;
fi
}
print_options_multicol() {
# print options by overwriting the last lines
local curr_col=$1
local curr_row=$2
local curr_idx=0
local idx=0
local row=0
local col=0
curr_idx=$(( $curr_col + $curr_row * $colmax ))
for option in "${options[@]}"; do
row=$(( $idx/$colmax ))
col=$(( $idx - $row * $colmax ))
cursor_to $(( $startrow + $row + 1)) $(( $offset * $col + 1))
if [ $idx -eq $curr_idx ]; then
print_selected "$option"
else
print_option "$option"
fi
((idx++))
done
}
# initially print empty new lines (scroll down if at bottom of screen)
for opt; do printf "\n"; done
# determine current screen position for overwriting the options
local return_value=$1
local lastrow=`get_cursor_row`
local lastcol=`get_cursor_col`
local startrow=$(($lastrow - $#))
local startcol=1
local lines=$( tput lines )
local cols=$( tput cols )
local colmax=$2
local offset=$(( $cols / $colmax ))
local size=$4
shift 4
# ensure cursor and input echoing back on upon a ctrl+c during read -s
trap "cursor_blink_on; stty echo; printf '\n'; exit" 2
cursor_blink_off
local selected=0
local active_row=0
local active_col=0
while true; do
# print options by overwriting the last lines
local idx=0
for opt; do
cursor_to $(($startrow + $idx))
if [ $idx -eq $selected ]; then
print_selected "$opt"
else
print_option "$opt"
fi
((idx++))
done
print_options_multicol $active_col $active_row
# user key control
case `key_input` in
enter) break;;
up) ((selected--));
if [ $selected -lt 0 ]; then selected=$(($# - 1)); fi;;
down) ((selected++));
if [ $selected -ge $# ]; then selected=0; fi;;
enter) break;;
up) ((active_row--));
if [ $active_row -lt 0 ]; then active_row=0; fi;;
down) ((active_row++));
if [ $active_row -ge $(( ${#options[@]} / $colmax )) ]; then active_row=$(( ${#options[@]} / $colmax )); fi;;
left) ((active_col=$active_col - 1));
if [ $active_col -lt 0 ]; then active_col=0; fi;;
right) ((active_col=$active_col + 1));
if [ $active_col -ge $colmax ]; then active_col=$(( $colmax - 1 )) ; fi;;
esac
done
@ -78,7 +124,7 @@ select_option() {
printf "\n"
cursor_blink_on
return $selected
return $(( $active_col + $active_row * $colmax ))
}
logo () {
# This will be shown on every set as user is progressing
@ -102,10 +148,9 @@ echo -ne "
Please Select your file system for both boot and root
"
options=("btrfs" "ext4" "luks" "exit")
select_option "${options[@]}"
fs=$?
select_option $? 1 "${options[@]}"
case $fs in
case $? in
0) set_option FS btrfs;;
1) set_option FS ext4;;
2)
@ -137,10 +182,9 @@ System detected your timezone to be '$time_zone' \n"
echo -ne "Is this correct?
"
options=("Yes" "No")
select_option "${options[@]}"
choice=$?
select_option $? 1 "${options[@]}"
case ${options[$choice]} in
case ${options[$?]} in
y|Y|yes|Yes|YES)
echo "${time_zone} set as timezone"
set_option TIMEZONE $time_zone;;
@ -153,19 +197,15 @@ case ${options[$choice]} in
esac
}
keymap () {
PS3="
Please select key board layout from this list
"
echo -ne "
Please select key board layout from this list"
# These are default key maps as presented in official arch repo archinstall
options=(by ca cf cz de dk es et fa fi fr gr hu il it lt lv mk nl no pl ro ru sg ua uk us)
select_option "${options[@]}"
choice=$?
keymap=${options[$choice]}
select_option $? 4 "${options[@]}"
keymap=${options[$?]}
echo -ne "\nYour key boards layout: ${keymap} \n"
echo -ne "Your key boards layout: ${keymap} \n"
set_option KEYMAP $keymap
}
@ -175,10 +215,9 @@ Is this an ssd? yes/no:
"
options=("Yes" "No")
select_option "${options[@]}"
choice=$?
select_option $? 1 "${options[@]}"
case ${options[$choice]} in
case ${options[$?]} in
y|Y|yes|Yes|YES)
set_option MOUNT_OPTIONS "noatime,compress=zstd,ssd,commit=120";;
n|N|no|NO|No)
@ -202,9 +241,8 @@ PS3='
Select the disk to install on: '
options=($(lsblk -n --output TYPE,KNAME,SIZE | awk '$1=="disk"{print "/dev/"$2"|"$3}'))
select_option "${options[@]}"
choice=$?
disk=${options[$choice]%|*}
select_option $? 1 "${options[@]}"
disk=${options[$?]%|*}
echo -e "\n${disk%|*} selected \n"
set_option DISK ${disk%|*}