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powerlevel10k/functions/colors.zsh

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# vim:ft=zsh ts=2 sw=2 sts=2 et fenc=utf-8
################################################################
# Color functions
# This file holds some color-functions for
# the powerlevel9k-ZSH-theme
# https://github.com/bhilburn/powerlevel9k
################################################################
function termColors() {
if [[ $POWERLEVEL9K_IGNORE_TERM_COLORS == true ]]; then
return
fi
local term_colors
if which tput &>/dev/null; then
term_colors=$(tput colors)
else
term_colors=$(echotc Co)
fi
if (( ! $? && ${term_colors:-0} < 256 )); then
print -P "%F{red}WARNING!%f Your terminal appears to support fewer than 256 colors!"
print -P "If your terminal supports 256 colors, please export the appropriate environment variable"
print -P "_before_ loading this theme in your \~\/.zshrc. In most terminal emulators, putting"
print -P "%F{blue}export TERM=\"xterm-256color\"%f at the top of your \~\/.zshrc is sufficient."
fi
}
# get the proper color code if it does not exist as a name.
function getColor() {
# no need to check numerical values
if [[ "$1" = <-> ]]; then
if [[ "$1" = <8-15> ]]; then
1=$(($1 - 8))
fi
else
# named color added to parameter expansion print -P to test if the name exists in terminal
named="%K{$1}"
# https://misc.flogisoft.com/bash/tip_colors_and_formatting
default="$'\033'\[49m"
# http://zsh.sourceforge.net/Doc/Release/Prompt-Expansion.html
quoted=$(printf "%q" $(print -P "$named"))
if [[ $quoted = "$'\033'\[49m" && $1 != "black" ]]; then
# color not found, so try to get the code
1=$(getColorCode $1)
fi
fi
echo -n "$1"
}
# empty paramenter resets (stops) background color
function backgroundColor() {
if [[ -z $1 ]]; then
echo -n "%k"
else
echo -n "%K{$(getColor $1)}"
fi
}
# empty paramenter resets (stops) foreground color
function foregroundColor() {
if [[ -z $1 ]]; then
echo -n "%f"
else
echo -n "%F{$(getColor $1)}"
fi
}
# Get numerical color codes. That way we translate ANSI codes
# into ZSH-Style color codes.
function getColorCode() {
# Check if given value is already numerical
if [[ "$1" = <-> ]]; then
# ANSI color codes distinguish between "foreground"
# and "background" colors. We don't need to do that,
# as ZSH uses a 256 color space anyway.
if [[ "$1" = <8-15> ]]; then
echo -n $(($1 - 8))
else
echo -n "$1"
fi
else
typeset -A codes
# https://jonasjacek.github.io/colors/
# use color names by default to allow dark/light themes to adjust colors based on names
codes[black]=000
codes[maroon]=001
codes[green]=002
codes[olive]=003
codes[navy]=004
codes[purple]=005
codes[teal]=006
codes[silver]=007
codes[grey]=008
codes[red]=009
codes[lime]=010
codes[yellow]=011
codes[blue]=012
codes[fuchsia]=013
codes[aqua]=014
codes[white]=015
codes[grey0]=016
codes[navyblue]=017
codes[darkblue]=018
codes[blue3]=019
codes[blue3]=020
codes[blue1]=021
codes[darkgreen]=022
codes[deepskyblue4]=023
codes[deepskyblue4]=024
codes[deepskyblue4]=025
codes[dodgerblue3]=026
codes[dodgerblue2]=027
codes[green4]=028
codes[springgreen4]=029
codes[turquoise4]=030
codes[deepskyblue3]=031
codes[deepskyblue3]=032
codes[dodgerblue1]=033
codes[green3]=034
codes[springgreen3]=035
codes[darkcyan]=036
codes[lightseagreen]=037
codes[deepskyblue2]=038
codes[deepskyblue1]=039
codes[green3]=040
codes[springgreen3]=041
codes[springgreen2]=042
codes[cyan3]=043
codes[darkturquoise]=044
codes[turquoise2]=045
codes[green1]=046
codes[springgreen2]=047
codes[springgreen1]=048
codes[mediumspringgreen]=049
codes[cyan2]=050
codes[cyan1]=051
codes[darkred]=052
codes[deeppink4]=053
codes[purple4]=054
codes[purple4]=055
codes[purple3]=056
codes[blueviolet]=057
codes[orange4]=058
codes[grey37]=059
codes[mediumpurple4]=060
codes[slateblue3]=061
codes[slateblue3]=062
codes[royalblue1]=063
codes[chartreuse4]=064
codes[darkseagreen4]=065
codes[paleturquoise4]=066
codes[steelblue]=067
codes[steelblue3]=068
codes[cornflowerblue]=069
codes[chartreuse3]=070
codes[darkseagreen4]=071
codes[cadetblue]=072
codes[cadetblue]=073
codes[skyblue3]=074
codes[steelblue1]=075
codes[chartreuse3]=076
codes[palegreen3]=077
codes[seagreen3]=078
codes[aquamarine3]=079
codes[mediumturquoise]=080
codes[steelblue1]=081
codes[chartreuse2]=082
codes[seagreen2]=083
codes[seagreen1]=084
codes[seagreen1]=085
codes[aquamarine1]=086
codes[darkslategray2]=087
codes[darkred]=088
codes[deeppink4]=089
codes[darkmagenta]=090
codes[darkmagenta]=091
codes[darkviolet]=092
codes[purple]=093
codes[orange4]=094
codes[lightpink4]=095
codes[plum4]=096
codes[mediumpurple3]=097
codes[mediumpurple3]=098
codes[slateblue1]=099
codes[yellow4]=100
codes[wheat4]=101
codes[grey53]=102
codes[lightslategrey]=103
codes[mediumpurple]=104
codes[lightslateblue]=105
codes[yellow4]=106
codes[darkolivegreen3]=107
codes[darkseagreen]=108
codes[lightskyblue3]=109
codes[lightskyblue3]=110
codes[skyblue2]=111
codes[chartreuse2]=112
codes[darkolivegreen3]=113
codes[palegreen3]=114
codes[darkseagreen3]=115
codes[darkslategray3]=116
codes[skyblue1]=117
codes[chartreuse1]=118
codes[lightgreen]=119
codes[lightgreen]=120
codes[palegreen1]=121
codes[aquamarine1]=122
codes[darkslategray1]=123
codes[red3]=124
codes[deeppink4]=125
codes[mediumvioletred]=126
codes[magenta3]=127
codes[darkviolet]=128
codes[purple]=129
codes[darkorange3]=130
codes[indianred]=131
codes[hotpink3]=132
codes[mediumorchid3]=133
codes[mediumorchid]=134
codes[mediumpurple2]=135
codes[darkgoldenrod]=136
codes[lightsalmon3]=137
codes[rosybrown]=138
codes[grey63]=139
codes[mediumpurple2]=140
codes[mediumpurple1]=141
codes[gold3]=142
codes[darkkhaki]=143
codes[navajowhite3]=144
codes[grey69]=145
codes[lightsteelblue3]=146
codes[lightsteelblue]=147
codes[yellow3]=148
codes[darkolivegreen3]=149
codes[darkseagreen3]=150
codes[darkseagreen2]=151
codes[lightcyan3]=152
codes[lightskyblue1]=153
codes[greenyellow]=154
codes[darkolivegreen2]=155
codes[palegreen1]=156
codes[darkseagreen2]=157
codes[darkseagreen1]=158
codes[paleturquoise1]=159
codes[red3]=160
codes[deeppink3]=161
codes[deeppink3]=162
codes[magenta3]=163
codes[magenta3]=164
codes[magenta2]=165
codes[darkorange3]=166
codes[indianred]=167
codes[hotpink3]=168
codes[hotpink2]=169
codes[orchid]=170
codes[mediumorchid1]=171
codes[orange3]=172
codes[lightsalmon3]=173
codes[lightpink3]=174
codes[pink3]=175
codes[plum3]=176
codes[violet]=177
codes[gold3]=178
codes[lightgoldenrod3]=179
codes[tan]=180
codes[mistyrose3]=181
codes[thistle3]=182
codes[plum2]=183
codes[yellow3]=184
codes[khaki3]=185
codes[lightgoldenrod2]=186
codes[lightyellow3]=187
codes[grey84]=188
codes[lightsteelblue1]=189
codes[yellow2]=190
codes[darkolivegreen1]=191
codes[darkolivegreen1]=192
codes[darkseagreen1]=193
codes[honeydew2]=194
codes[lightcyan1]=195
codes[red1]=196
codes[deeppink2]=197
codes[deeppink1]=198
codes[deeppink1]=199
codes[magenta2]=200
codes[magenta1]=201
codes[orangered1]=202
codes[indianred1]=203
codes[indianred1]=204
codes[hotpink]=205
codes[hotpink]=206
codes[mediumorchid1]=207
codes[darkorange]=208
codes[salmon1]=209
codes[lightcoral]=210
codes[palevioletred1]=211
codes[orchid2]=212
codes[orchid1]=213
codes[orange1]=214
codes[sandybrown]=215
codes[lightsalmon1]=216
codes[lightpink1]=217
codes[pink1]=218
codes[plum1]=219
codes[gold1]=220
codes[lightgoldenrod2]=221
codes[lightgoldenrod2]=222
codes[navajowhite1]=223
codes[mistyrose1]=224
codes[thistle1]=225
codes[yellow1]=226
codes[lightgoldenrod1]=227
codes[khaki1]=228
codes[wheat1]=229
codes[cornsilk1]=230
codes[grey100]=231
codes[grey3]=232
codes[grey7]=233
codes[grey11]=234
codes[grey15]=235
codes[grey19]=236
codes[grey23]=237
codes[grey27]=238
codes[grey30]=239
codes[grey35]=240
codes[grey39]=241
codes[grey42]=242
codes[grey46]=243
codes[grey50]=244
codes[grey54]=245
codes[grey58]=246
codes[grey62]=247
codes[grey66]=248
codes[grey70]=249
codes[grey74]=250
codes[grey78]=251
codes[grey82]=252
codes[grey85]=253
codes[grey89]=254
codes[grey93]=255
# for testing purposes in terminal
if [[ "$1" == "foreground" ]]; then
# call via `getColorCode foreground`
for i in "${(k@)codes}"; do
print -P "$(foregroundColor $i)$(getColor $i) - $i$(foregroundColor)"
done
elif [[ "$1" == "background" ]]; then
# call via `getColorCode background`
for i in "${(k@)codes}"; do
print -P "$(backgroundColor $i)$(getColor $i) - $i$(backgroundColor)"
done
else
#[[ -n "$1" ]] bg="%K{$1}" || bg="%k"
# Strip eventual "bg-" prefixes
1=${1#bg-}
# Strip eventual "fg-" prefixes
1=${1#fg-}
# Strip eventual "br" prefixes ("bright" colors)
1=${1#br}
echo -n $codes[$1]
fi
fi
}
# Check if two colors are equal, even if one is specified as ANSI code.
function isSameColor() {
if [[ "$1" == "NONE" || "$2" == "NONE" ]]; then
return 1
fi
local color1=$(getColorCode "$1")
local color2=$(getColorCode "$2")
return $(( color1 != color2 ))
}
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