mirror of
https://github.com/ohmyzsh/ohmyzsh.git
synced 2024-11-21 21:30:09 +00:00
133 lines
4.3 KiB
Bash
133 lines
4.3 KiB
Bash
# Copy this file into /usr/share/zsh/site-functions/
|
|
# and add 'autoload n-list-draw` to .zshrc
|
|
#
|
|
# This is an internal function not for direct use
|
|
|
|
emulate -L zsh
|
|
|
|
zmodload zsh/curses
|
|
|
|
setopt typesetsilent extendedglob
|
|
|
|
_nlist_print_with_ansi() {
|
|
local win="$1" text="$2" out col chunk Xout
|
|
integer text_offset="$3" max_text_len="$4" text_len=0 no_match=0 nochunk_text_len to_skip_from_chunk to_chop_off_from_chunk before_len
|
|
|
|
# 1 - non-escaped text, 2 - first number in the escaped text, with ;
|
|
# 3 - second number, 4 - text after whole escape text
|
|
|
|
typeset -a c
|
|
c=( black red green yellow blue magenta cyan white )
|
|
|
|
while [[ -n "$text" && "$no_match" -eq 0 ]]; do
|
|
if [[ "$text" = (#b)([^$'\x1b']#)$'\x1b'\[([0-9](#c0,2))(#B)(\;|)(#b)([0-9](#c0,2))m(*) ]]; then
|
|
# Text for further processing
|
|
text="$match[4]"
|
|
# Text chunk to output now
|
|
out="$match[1]"
|
|
# Save color
|
|
col="$match[2]"
|
|
(( match[3] >= 30 && match[3] <= 37 )) && col="$match[3]"
|
|
else
|
|
out="$text"
|
|
no_match=1
|
|
fi
|
|
|
|
if [ -n "$out" ]; then
|
|
################ Expand tabs ################
|
|
chunk="$out"
|
|
before_len="$text_len"
|
|
Xout=""
|
|
|
|
while [ -n "$chunk" ]; do
|
|
[[ "$chunk" = (#b)([^$'\t']#)$'\t'(*) ]] && {
|
|
(( all_text_len=((before_len+${#match[1]})/8+1)*8 ))
|
|
|
|
Xout+="${(r:all_text_len-before_len:: :)match[1]}"
|
|
|
|
before_len+=all_text_len-before_len
|
|
chunk="$match[2]"
|
|
} || {
|
|
Xout+="$chunk"
|
|
break
|
|
}
|
|
done
|
|
#############################################
|
|
|
|
# Input text length without the current chunk
|
|
nochunk_text_len=text_len
|
|
# Input text length up to current chunk
|
|
text_len+="$#Xout"
|
|
|
|
# Should start displaying with this chunk?
|
|
# I.e. stop skipping left part of the input text?
|
|
if (( text_len > text_offset )); then
|
|
to_skip_from_chunk=text_offset-nochunk_text_len
|
|
|
|
# LEFT - is chunk off the left skip boundary? +1 for 1-based index in string
|
|
(( to_skip_from_chunk > 0 )) && Xout="${Xout[to_skip_from_chunk+1,-1]}"
|
|
|
|
# RIGHT - is text off the screen?
|
|
if (( text_len-text_offset > max_text_len )); then
|
|
to_chop_off_from_chunk=0+(text_len-text_offset)-max_text_len
|
|
Xout="${Xout[1,-to_chop_off_from_chunk-1]}"
|
|
fi
|
|
|
|
[ -n "$Xout" ] && zcurses string "$win" "$Xout"
|
|
fi
|
|
fi
|
|
|
|
if (( no_match == 0 )); then
|
|
if (( col >= 30 && col <= 37 )); then
|
|
zcurses attr "$win" $c[col-29]/"$background"
|
|
elif [[ "$col" -eq 0 ]]; then
|
|
zcurses attr "$win" "$colorpair"
|
|
fi
|
|
fi
|
|
done
|
|
}
|
|
|
|
integer highlight="$1"
|
|
integer page_height="$2"
|
|
integer page_width="$3"
|
|
local y_offset="$4"
|
|
local x_offset="$5"
|
|
local text_offset="$6"
|
|
local win="$7"
|
|
shift 7
|
|
integer max_text_len=page_width-x_offset
|
|
|
|
[[ "$bold" = "0" || "$bold" = "-bold" ]] && bold="-bold" || bold="+bold"
|
|
[[ "$active_text" = "underline" || "$active_text" = "reverse" ]] || local active_text="reverse"
|
|
# Linux has ncv 18, screen* has ncv 3 - underline won't work properly
|
|
(( ${terminfo[ncv]:-0} & 2 )) && active_text="reverse"
|
|
# FreeBSD uses TERM=xterm for newcons but doesn't actually support underline
|
|
[[ "$TERM" = "xterm" && -z "$DISPLAY" ]] && active_text="reverse"
|
|
|
|
integer max_idx=page_height
|
|
integer end_idx=max_idx
|
|
[ "$end_idx" -gt "$#" ] && end_idx="$#"
|
|
integer y=y_offset
|
|
|
|
zcurses attr "$win" "$bold" "$colorpair"
|
|
|
|
integer i text_len
|
|
local text
|
|
for (( i=1; i<=end_idx; i++ )); do
|
|
zcurses move "$win" $y "$x_offset"
|
|
|
|
[ "$i" = "$highlight" ] && zcurses attr "$win" +"$active_text"
|
|
_nlist_print_with_ansi "$win" "$@[i]" "$text_offset" "$max_text_len"
|
|
zcurses clear "$win" eol
|
|
[ "$i" = "$highlight" ] && zcurses attr "$win" -"$active_text"
|
|
|
|
y+=1
|
|
done
|
|
|
|
if [ "$end_idx" -lt "$max_idx" ]; then
|
|
zcurses move "$win" $y "$x_offset"
|
|
zcurses clear "$win" eol
|
|
fi
|
|
|
|
zcurses attr "$win" white/black
|
|
# vim: set filetype=zsh:
|