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|
# adam2 prompt theme
prompt_adam2_help () {
cat <<'EOF'
This prompt is color-theme-able. You can invoke it thus:
prompt adam2 [ plain ] <color1> <color2> <color3>
where the colors are for the hyphens, current directory, and user@host
bits respectively.
And you probably thought adam1 was overkill. If you've ever seen a
more complex prompt in your whole life, please e-mail it to me at
<adam@spiers.net>; I'd love to know that I'm not the saddest person
on the planet.
EOF
}
prompt_adam2_setup () {
# Some can't be local
local prompt_gfx_tlc prompt_gfx_mlc prompt_gfx_blc prompt_gfx_bbox
if [[ $1 == 'plain' ]]; then
shift
prompt_gfx_tlc='.'
prompt_gfx_mlc='|'
prompt_gfx_blc='\`'
prompt_gfx_hyphen='-'
else
prompt_gfx_tlc=$(echo "\xda")
prompt_gfx_mlc=$(echo "\xc3")
prompt_gfx_blc=$(echo "\xc0")
prompt_gfx_hyphen=$(echo "\xc4")
fi
# Colour scheme
prompt_scheme_color1=${1:-'cyan'} # hyphens
prompt_scheme_color2=${2:-'green'} # current directory
prompt_scheme_color3=${3:-'cyan'} # user@host
local num
for num in 1 2 3; do
# Grok this!
eval "prompt_color$num="'${(P)$(echo "fg_no_bold_$prompt_scheme_color'"$num\")}"
eval "prompt_bold_color$num="'${(P)$(echo "fg_bold_$prompt_scheme_color'"$num\")}"
done
prompt_gfx_tbox=$(echo "%{$prompt_bold_color1%}${prompt_gfx_tlc}%{$prompt_color1%}${prompt_gfx_hyphen}")
prompt_gfx_bbox=$(echo "%{$prompt_bold_color1%}${prompt_gfx_blc}${prompt_gfx_hyphen}%{$prompt_color1%}")
# This is a cute hack. Well I like it, anyway.
prompt_gfx_bbox_to_mbox=$(echo "%{\e[A\r$prompt_bold_color1${prompt_gfx_mlc}$prompt_color1${prompt_gfx_hyphen}\e[B%}")
prompt_l_paren=$(echo "%{$fg_bold_grey%}(")
prompt_r_paren=$(echo "%{$fg_bold_grey%})")
prompt_l_bracket=$(echo "%{$fg_bold_grey%}[")
prompt_r_bracket=$(echo "%{$fg_bold_grey%}]")
prompt_machine=$(echo "%{$prompt_color3%}%n%{$prompt_bold_color3%}@%{$prompt_color3%}%m")
prompt_padding_text=`perl -e "print qq{${prompt_gfx_hyphen}} x 200"`
prompt_line_1a="$prompt_gfx_tbox$prompt_l_paren%{$prompt_bold_color2%}%~$prompt_r_paren%{$prompt_color1%}"
prompt_line_1a_no_color=$(echo "$prompt_line_1a" | perl -pe "s/%{.*?%}//g")
prompt_line_1b=$(echo "$prompt_l_paren$prompt_machine$prompt_r_paren%{$prompt_color1%}${prompt_gfx_hyphen}")
prompt_line_1b_no_color=$(echo "$prompt_line_1b" | perl -pe "s/%{.*?%}//g")
prompt_line_2="$prompt_gfx_bbox${prompt_gfx_hyphen}%{$fg_bold_white%}"
prompt_char="%(!.#.>)"
precmd () { prompt_adam2_precmd; setopt promptsubst }
preexec () { prompt_adam2_preexec }
}
prompt_adam2_precmd () {
setopt noxtrace localoptions
local prompt_line_1a_no_color_expanded prompt_line_2a_no_color_expanded
local prompt_padding_size prompt_padding prompt_line_1 pre_prompt
local prompt_pwd_size
prompt_line_1a_no_color_expanded=$(print -P "$prompt_line_1a_no_color")
prompt_line_1b_no_color_expanded=$(print -P "$prompt_line_1b_no_color")
prompt_padding_size=$(( $COLUMNS
- $#prompt_line_1a_no_color_expanded
- $#prompt_line_1b_no_color_expanded ))
if [[ $prompt_padding_size -ge 0 ]]; then
prompt_padding=$(printf "%$prompt_padding_size.${prompt_padding_size}s" "$prompt_padding_text")
prompt_line_1="$prompt_line_1a$prompt_padding$prompt_line_1b"
else
prompt_padding_size=$(( $COLUMNS
- $#prompt_line_1a_no_color_expanded ))
if [[ $prompt_padding_size -ge 0 ]]; then
prompt_padding=$(printf "%$prompt_padding_size.${prompt_padding_size}s" "$prompt_padding_text")
prompt_line_1="$prompt_line_1a$prompt_padding"
else
prompt_pwd_size=$(( $COLUMNS - 5 ))
prompt_line_1="$prompt_gfx_tbox$prompt_l_paren%{$prompt_bold_color2%}%$prompt_pwd_size<...<%~%<<$prompt_r_paren%{$prompt_color1$prompt_gfx_hyphen%}"
fi
fi
pre_prompt="$prompt_line_1$prompt_newline$prompt_line_2"
PS1="$pre_prompt%{$fg_bold_white%}$prompt_char "
PS2="$prompt_line_2%{$prompt_gfx_bbox_to_mbox$fg_bold_white%}%_> "
PS3="$prompt_line_2%{$prompt_gfx_bbox_to_mbox$fg_bold_white%}?# "
}
prompt_adam2_preexec () {
print -n "$fg_no_bold_white"
}
prompt_adam2_setup "$@"
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