mirror of
https://github.com/ohmyzsh/ohmyzsh.git
synced 2024-12-21 03:41:57 +00:00
132 lines
4.1 KiB
Text
132 lines
4.1 KiB
Text
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# Copy this file into /usr/share/zsh/site-functions/
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# and add 'autoload n-list-draw` to .zshrc
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#
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# This is an internal function not for direct use
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emulate -L zsh
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zmodload zsh/curses
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setopt typesetsilent extendedglob
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_nlist_print_with_ansi() {
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local win="$1" text="$2" out col chunk Xout
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integer text_offset="$3" max_text_len="$4" text_len=0 no_match=0 nochunk_text_len to_skip_from_chunk to_chop_off_from_chunk before_len
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# 1 - non-escaped text, 2 - first number in the escaped text, with ;
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# 3 - second number, 4 - text after whole escape text
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typeset -a c
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c=( black red green yellow blue magenta cyan white )
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while [[ -n "$text" && "$no_match" -eq 0 ]]; do
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if [[ "$text" = (#b)([^$'\x1b']#)$'\x1b'\[([0-9](#c0,2))(#B)(\;|)(#b)([0-9](#c0,2))m(*) ]]; then
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# Text for further processing
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text="$match[4]"
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# Text chunk to output now
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out="$match[1]"
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# Save color
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col="$match[2]"
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(( match[3] >= 30 && match[3] <= 37 )) && col="$match[3]"
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else
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out="$text"
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no_match=1
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fi
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if [ -n "$out" ]; then
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################ Expand tabs ################
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chunk="$out"
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before_len="$text_len"
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Xout=""
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while [ -n "$chunk" ]; do
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[[ "$chunk" = (#b)([^$'\t']#)$'\t'(*) ]] && {
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(( all_text_len=((before_len+${#match[1]})/8+1)*8 ))
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Xout+="${(r:all_text_len-before_len:: :)match[1]}"
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before_len+=all_text_len-before_len
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chunk="$match[2]"
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} || {
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Xout+="$chunk"
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break
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}
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done
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#############################################
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# Input text length without the current chunk
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nochunk_text_len=text_len
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# Input text length up to current chunk
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text_len+="$#Xout"
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# Should start displaying with this chunk?
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# I.e. stop skipping left part of the input text?
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if (( text_len > text_offset )); then
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to_skip_from_chunk=text_offset-nochunk_text_len
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# LEFT - is chunk off the left skip boundary? +1 for 1-based index in string
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(( to_skip_from_chunk > 0 )) && Xout="${Xout[to_skip_from_chunk+1,-1]}"
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# RIGHT - is text off the screen?
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if (( text_len-text_offset > max_text_len )); then
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to_chop_off_from_chunk=0+(text_len-text_offset)-max_text_len
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Xout="${Xout[1,-to_chop_off_from_chunk-1]}"
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fi
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[ -n "$Xout" ] && zcurses string "$win" "$Xout"
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fi
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fi
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if (( no_match == 0 )); then
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if (( col >= 30 && col <= 37 )); then
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zcurses attr "$win" $c[col-29]/black
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elif [[ "$col" -eq 0 ]]; then
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zcurses attr "$win" white/black
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fi
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fi
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done
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}
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integer highlight="$1"
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integer page_height="$2"
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integer page_width="$3"
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local y_offset="$4"
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local x_offset="$5"
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local text_offset="$6"
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local win="$7"
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shift 7
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integer max_text_len=page_width-x_offset
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[ "$bold" = "0" ] && bold="" || bold="+bold"
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[[ "$active_text" = "underline" || "$active_text" = "reverse" ]] || active_text="reverse"
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# With Linux terminal underline won't work properly
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[ "$TERM" = "linux" ] && active_text="reverse"
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integer max_idx=page_height
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integer end_idx=max_idx
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[ "$end_idx" -gt "$#" ] && end_idx="$#"
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integer y=y_offset
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zcurses attr "$win" $bold white/black
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integer i text_len
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local text
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for (( i=1; i<=end_idx; i++ )); do
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zcurses move "$win" $y "$x_offset"
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[ "$i" = "$highlight" ] && zcurses attr "$win" +"$active_text"
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_nlist_print_with_ansi "$win" "$@[i]" "$text_offset" "$max_text_len"
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zcurses clear "$win" eol
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[ "$i" = "$highlight" ] && zcurses attr "$win" -"$active_text"
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y+=1
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done
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if [ "$end_idx" -lt "$max_idx" ]; then
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zcurses move "$win" $y "$x_offset"
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zcurses clear "$win" eol
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fi
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zcurses attr "$win" white/black
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# vim: set filetype=zsh:
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