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# adam2 prompt theme
prompt_adam2_help () {
cat <<'EOF'
This prompt is color-scheme-able. You can invoke it thus:
prompt adam2 [ 8bit ] [<color1> [<color2> [<color3>] [<color4>]]
where the colors are for the hyphens, current directory, user@host,
and user input bits respectively. The default colors are cyan, green,
cyan, and white. This theme works best with a dark background.
If you have either UTF-8 or the `nexus' or `vga' console fonts or similar,
you can specify the `8bit' option to use 8-bit replacements for the
7-bit characters.
And you probably thought adam1 was overkill ...
EOF
}
prompt_adam2_setup () {
# Some can't be local
setopt localoptions nowarncreateglobal
local prompt_gfx_tlc prompt_gfx_mlc prompt_gfx_blc
if [[ $1 == '8bit' ]]; then
shift
if [[ ${LC_ALL:-${LC_CTYPE:-$LANG}} = *UTF-8* ]]; then
prompt_gfx_tlc=$'\xe2\x94\x8c'
prompt_gfx_mlc=$'\xe2\x94\x9c'
prompt_gfx_blc=$'\xe2\x94\x94'
prompt_gfx_hyphen=$'\xe2\x94\x80'
else
prompt_gfx_tlc=$'\xda'
prompt_gfx_mlc=$'\xc3'
prompt_gfx_blc=$'\xc0'
prompt_gfx_hyphen=$'\xc4'
fi
else
prompt_gfx_tlc='.'
prompt_gfx_mlc='|'
prompt_gfx_blc='\`'
prompt_gfx_hyphen='-'
fi
# Colour scheme
prompt_adam2_color1=${1:-'cyan'} # hyphens
prompt_adam2_color2=${2:-'green'} # current directory
prompt_adam2_color3=${3:-'cyan'} # user@host
prompt_adam2_color4=${4:-'white'} # user input
local prompt_gfx_bbox
prompt_gfx_tbox="%B%F{$prompt_adam2_color1}${prompt_gfx_tlc}%b%F{$prompt_adam2_color1}${prompt_gfx_hyphen}"
prompt_gfx_bbox="%B%F{$prompt_adam2_color1}${prompt_gfx_blc}${prompt_gfx_hyphen}%b%F{$prompt_adam2_color1}"
# This is a cute hack. Well I like it, anyway.
prompt_gfx_bbox_to_mbox=$'%{\e[A\r'"%}%B%F{$prompt_adam2_color1}${prompt_gfx_mlc}%b%F{$prompt_adam2_color1}${prompt_gfx_hyphen}%{"$'\e[B%}'
prompt_l_paren="%B%F{black}("
prompt_r_paren="%B%F{black})"
prompt_user_host="%b%F{$prompt_adam2_color3}%n%B%F{$prompt_adam2_color3}@%b%F{$prompt_adam2_color3}%m"
prompt_line_1a="$prompt_gfx_tbox$prompt_l_paren%B%F{$prompt_adam2_color2}%~$prompt_r_paren%b%F{$prompt_adam2_color1}"
prompt_line_1b="$prompt_l_paren$prompt_user_host$prompt_r_paren%b%F{$prompt_adam2_color1}${prompt_gfx_hyphen}"
prompt_line_2="$prompt_gfx_bbox${prompt_gfx_hyphen}%B%F{white}"
prompt_char="%(!.#.>)"
prompt_opts=(cr subst percent)
add-zsh-hook precmd prompt_adam2_precmd
}
prompt_adam2_precmd() {
setopt localoptions extendedglob noxtrace nowarncreateglobal
local prompt_line_1
prompt_adam2_choose_prompt
PS1="$prompt_line_1$prompt_newline$prompt_line_2%B%F{white}$prompt_char %b%f%k"
PS2="$prompt_line_2$prompt_gfx_bbox_to_mbox%B%F{white}%_> %b%f%k"
PS3="$prompt_line_2$prompt_gfx_bbox_to_mbox%B%F{white}?# %b%f%k"
zle_highlight[(r)default:*]="default:fg=$prompt_adam2_color4,bold"
}
prompt_adam2_choose_prompt () {
local prompt_line_1a_width=${#${(S%%)prompt_line_1a//(\%([KF1]|)\{*\}|\%[Bbkf])}}
local prompt_line_1b_width=${#${(S%%)prompt_line_1b//(\%([KF1]|)\{*\}|\%[Bbkf])}}
local prompt_padding_size=$(( COLUMNS
- prompt_line_1a_width
- prompt_line_1b_width ))
# Try to fit in long path and user@host.
if (( prompt_padding_size > 0 )); then
local prompt_padding
eval "prompt_padding=\${(l:${prompt_padding_size}::${prompt_gfx_hyphen}:)_empty_zz}"
prompt_line_1="$prompt_line_1a$prompt_padding$prompt_line_1b"
return
fi
prompt_padding_size=$(( COLUMNS - prompt_line_1a_width ))
# Didn't fit; try to fit in just long path.
if (( prompt_padding_size > 0 )); then
local prompt_padding
eval "prompt_padding=\${(l:${prompt_padding_size}::${prompt_gfx_hyphen}:)_empty_zz}"
prompt_line_1="$prompt_line_1a$prompt_padding"
return
fi
# Still didn't fit; truncate
local prompt_pwd_size=$(( COLUMNS - 5 ))
prompt_line_1="$prompt_gfx_tbox$prompt_l_paren%B%F{$prompt_adam2_color2}%$prompt_pwd_size<...<%~%<<$prompt_r_paren%b%F{$prompt_adam2_color1}$prompt_gfx_hyphen"
}
prompt_adam2_setup "$@"
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