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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 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
local prompt_gfx_tlc prompt_gfx_mlc prompt_gfx_blc
if [[ $1 == '8bit' ]]; then
shift
prompt_gfx_tlc=$'\xda'
prompt_gfx_mlc=$'\xc3'
prompt_gfx_blc=$'\xc0'
prompt_gfx_hyphen=$'\xc4'
else
prompt_gfx_tlc='.'
prompt_gfx_mlc='|'
prompt_gfx_blc='\`'
prompt_gfx_hyphen='-'
fi
# Colour scheme
prompt_adam2_color1=${1:-'cyan'} # hyphens
prompt_adam2_color2=${2:-'green'} # current directory
prompt_adam2_color3=${3:-'cyan'} # user@host
prompt_adam2_color4=${4:-'white'} # user input
local prompt_gfx_bbox
prompt_gfx_tbox="%{$fg_bold[$prompt_adam2_color1]%}${prompt_gfx_tlc}%{$fg_no_bold[$prompt_adam2_color1]%}${prompt_gfx_hyphen}"
prompt_gfx_bbox="%{$fg_bold[$prompt_adam2_color1]%}${prompt_gfx_blc}${prompt_gfx_hyphen}%{$fg_no_bold[$prompt_adam2_color1]%}"
# This is a cute hack. Well I like it, anyway.
prompt_gfx_bbox_to_mbox=$'%{\e[A\r'"$fg_bold[$prompt_adam2_color1]${prompt_gfx_mlc}$fg_no_bold[$prompt_adam2_color1]${prompt_gfx_hyphen}"$'\e[B%}'
prompt_l_paren="%{$fg_bold[grey]%}("
prompt_r_paren="%{$fg_bold[grey]%})"
prompt_user_host="%{$fg_no_bold[$prompt_adam2_color3]%}%n%{$fg_bold[$prompt_adam2_color3]%}@%{$fg_no_bold[$prompt_adam2_color3]%}%m"
prompt_line_1a="$prompt_gfx_tbox$prompt_l_paren%{$fg_bold[$prompt_adam2_color2]%}%~$prompt_r_paren%{$fg_no_bold[$prompt_adam2_color1]%}"
prompt_line_1b="$prompt_l_paren$prompt_user_host$prompt_r_paren%{$fg_no_bold[$prompt_adam2_color1]%}${prompt_gfx_hyphen}"
prompt_line_2="$prompt_gfx_bbox${prompt_gfx_hyphen}%{$fg_bold[white]%}"
prompt_char="%(!.#.>)"
precmd () { prompt_adam2_precmd; setopt promptsubst }
preexec () { prompt_adam2_preexec }
}
prompt_adam2_precmd () {
setopt noxtrace localoptions extendedglob
local prompt_line_1
prompt_adam2_choose_prompt
PS1="$prompt_line_1$prompt_newline$prompt_line_2%{$fg_bold[white]%}$prompt_char %{$fg_bold[$prompt_adam2_color4]%}"
PS2="$prompt_line_2%{$prompt_gfx_bbox_to_mbox$fg_bold[white]%}%_> %{$fg_bold[$prompt_adam2_color4]%}"
PS3="$prompt_line_2%{$prompt_gfx_bbox_to_mbox$fg_bold[white]%}?# %{$fg_bold[$prompt_adam2_color4]%}"
}
prompt_adam2_choose_prompt () {
local prompt_line_1a_width=${#${(S%%)prompt_line_1a//\%\{*%\}}}
local prompt_line_1b_width=${#${(S%%)prompt_line_1b//\%\{*%\}}}
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%{$fg_bold[$prompt_adam2_color2]%}%$prompt_pwd_size<...<%~%<<$prompt_r_paren%{$fg_no_bold[$prompt_adam2_color1]$prompt_gfx_hyphen%}"
}
prompt_adam2_preexec () {
print -n "$fg_no_bold[white]"
}
prompt_adam2_setup "$@"
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