138 lines
2.7 KiB
Bash
138 lines
2.7 KiB
Bash
#!/bin/dash
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exec 2>err.log
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PANEL_H=20
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old_stty=$(stty -g)
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main() {
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make_panel_space
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cols=$(tput cols)
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lines=$(tput lines)
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top=$(( lines - PANEL_H + 1 ))
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[ "$top" -lt 1 ] && top=1
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msg="Welcome to accord"
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w=$(( ${#msg} + 4 ))
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h=5
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x=$(( (cols - w) / 2 ))
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y=$(( top + (PANEL_H - h) / 2 ))
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draw_box "$x" "$y" "$w" "$h" "$msg"
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key=$(read_key)
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case "$key" in
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l)
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clear_panel
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msg="I love you"
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w=$(( ${#msg} + 4 ))
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x=$(( (cols - w) / 2 ))
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draw_box "$x" "$y" "$w" "$h" "$msg"
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key=$(read_key)
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;;
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s)
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clear_panel
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key=$(read_key)
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esac
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}
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clear_panel() {
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cols=$(tput cols)
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lines=$(tput lines)
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top=$(( lines - PANEL_H + 1 ))
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[ "$top" -lt 1 ] && top=1
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row=$top
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while [ "$row" -le "$lines" ]; do
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printf '\033[%d;1H\033[2K' "$row"
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row=$((row+1))
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done
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}
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cleanup() {
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clear_panel
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stty "$old_stty"
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tput sgr0
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tput cnorm
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# NOTE(yukkop): move cursor to where panel started, so shell prompt
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# continues “right after” previous output
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lines=$(tput lines)
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row=$(( lines - PANEL_H + 1 ))
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[ "$row" -lt 1 ] && row=1
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printf '\033[%d;1H' "$row"
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}
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trap cleanup EXIT INT TERM
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stty -echo raw
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tput civis
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draw_box() {
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x=$1
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y=$2
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w=$3
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h=$4
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text=$5
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row=0
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while [ "$row" -lt "$h" ]; do
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printf '\033[%d;%dH' "$((y+row))" "$x"
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case "$row" in
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0|$((h-1)))
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printf '+'
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printf '%*s' "$((w-2))" '' | tr ' ' '-'
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printf '+'
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;;
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*)
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if [ "$row" -eq 2 ] && [ -n "$text" ]; then
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printf '| %s' "$text"
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pad=$(( w - 3 - ${#text} ))
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[ "$pad" -gt 0 ] && printf '%*s' "$pad" ' '
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printf '|'
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else
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printf '|'
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printf '%*s' "$((w-2))" ' '
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printf '|'
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fi
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;;
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esac
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row=$((row+1))
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done
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}
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make_panel_space() {
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i=0
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while [ "$i" -lt "$PANEL_H" ]; do
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printf '\n'
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i=$((i+1))
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done
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}
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read_key() {
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k=$(dd bs=1 count=1 2>/dev/null || true)
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if [ "$k" = "$(printf '\033')" ]; then
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k="$k$(dd bs=1 count=2 2>/dev/null || true)"
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fi
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printf '%s' "$k"
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}
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#: > text; for f in frame-*.png; do
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# n=${f#frame-} # remove prefix
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# n=${n%.png} # remove suffix
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# printf "__spining_cat_frame_%s() {\n printf '%%b' '" "$n" >> text
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# chafa -f symbols --symbols block -s 40x15 --stretch "$f" >> text
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# printf "'\n}\n" >> text
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#done
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. ./frames.sh
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if ! [ ${AS_LIBRARY+x} ]; then
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main
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fi
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