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80 lines
2.4 KiB
Plaintext
80 lines
2.4 KiB
Plaintext
# Put standard ANSI color codes in shell parameters for easy use.
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# Note that some terminals do not support all combinations.
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typeset -Ag color colour
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color=(
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# Attribute codes:
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00 none
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01 bold
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02 faint 22 normal
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03 standout 23 no-standout
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04 underline 24 no-underline
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05 blink 25 no-blink
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07 reverse 27 no-reverse
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08 conceal
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# Text color codes:
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30 black 40 bg-black
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31 red 41 bg-red
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32 green 42 bg-green
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33 yellow 43 bg-yellow
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34 blue 44 bg-blue
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35 magenta 45 bg-magenta
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36 cyan 46 bg-cyan
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37 white 47 bg-white
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39 default 49 bg-default
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)
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# A word about black and white: The "normal" shade of white is really a
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# very pale grey on many terminals; to get truly white text, you have to
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# use bold white, and to get a truly white background you have to use
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# bold reverse white bg-xxx where xxx is your desired foreground color
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# (and which means the foreground is also bold).
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# Map in both directions; could do this with e.g. ${(k)colors[(i)normal]},
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# but it's clearer to include them all both ways.
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local k
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for k in ${(k)color}; do color[${color[$k]}]=$k; done
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# Add "fg-" keys for all the text colors, for clarity.
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for k in ${color[(I)3?]}; do color[fg-${color[$k]}]=$k; done
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# This is inaccurate, but the prompt theme system needs it.
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color[grey]=${color[black]}
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color[fg-grey]=${color[grey]}
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color[bg-grey]=${color[bg-black]}
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# Assistance for the color-blind.
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colour=(${(kv)color}) # A case where ksh namerefs would be useful ...
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# The following are terminal escape sequences used by colored prompt themes.
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local lc=$'\e[' rc=m # Standard ANSI terminal escape values
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typeset -Hg reset_color bold_color
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reset_color="$lc${color[none]}$rc"
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bold_color="$lc${color[bold]}$rc"
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# Foreground
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typeset -AHg fg fg_bold fg_no_bold
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for k in ${(k)color[(I)fg-*]}; do
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fg[${k#fg-}]="$lc${color[$k]}$rc"
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fg_bold[${k#fg-}]="$lc${color[bold]};${color[$k]}$rc"
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fg_no_bold[${k#fg-}]="$lc${color[normal]};${color[$k]}$rc"
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done
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# Background
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typeset -AHg bg bg_bold bg_no_bold
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for k in ${(k)color[(I)bg-*]}; do
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bg[${k#bg-}]="$lc${color[$k]}$rc"
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bg_bold[${k#bg-}]="$lc${color[bold]};${color[$k]}$rc"
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bg_no_bold[${k#bg-}]="$lc${color[normal]};${color[$k]}$rc"
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done
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