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dotfiles/scripts/rofi-emoji

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#!/usr/bin/env bash
#
# Use rofi to pick emoji because that's what this
# century is about apparently...
#
# Requirements:
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# rofi, xclip, xdotool, curl, xmllint
#
# Usage:
# 1. Download all emoji
# $ rofi-emoji --download
#
# 2. Run it!
# $ rofi-emoji
#
# Notes:
# * You'll need a emoji font like "Noto Emoji" or "EmojiOne".
# * Confirming an item will automatically paste it WITHOUT
# writing it to your clipboard.
# * Ctrl+C will copy it to your clipboard WITHOUT pasting it.
#
# Where to save the emojis file.
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EMOJI_FILE="${XDG_CACHE_DIR:-$HOME/.cache}/emojis.txt"
# Urls of emoji to download.
URLS=(
'https://emojipedia.org/people/'
'https://emojipedia.org/nature/'
'https://emojipedia.org/food-drink/'
'https://emojipedia.org/activity/'
'https://emojipedia.org/travel-places/'
'https://emojipedia.org/objects/'
'https://emojipedia.org/symbols/'
'https://emojipedia.org/flags/'
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'https://emojipedia.org/modifiers/'
)
function download() {
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notify "$(basename "$0")" 'Downloading all emoji for your pleasure'
echo -n > "$EMOJI_FILE"
for url in "${URLS[@]}"; do
echo "Downloading: $url"
# Download the list of emoji and remove all the junk around it
emojis=$(curl -s "$url" | \
xmllint --html \
--xpath '//ul[@class="emoji-list"]' - 2>/dev/null)
# Get rid of starting/closing ul tags
emojis=$(echo "$emojis" | head -n -1 | tail -n +1)
# Extract the emoji and its description
emojis=$(echo "$emojis" | \
sed -rn 's/.*<span class="emoji">(.*)<\/span> (.*)<\/a><\/li>/\1 \2/p')
echo "$emojis" >> "$EMOJI_FILE"
done
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notify "$(basename "$0")" "We're all set!"
}
function toclip() {
xclip -i -selection primary
xclip -o -selection primary | xclip -i -selection clipboard
}
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function repeat() {
local rplc str="$1" count="$2"
rplc="$(printf "%${count}s")"
echo "${rplc// /"$str"}"
}
function notify() {
if which notify-send 1>/dev/null 2>/dev/null; then
notify-send "$1" "$2"
fi
}
function display() {
emoji=$(cat "$EMOJI_FILE" | grep -v '#' | grep -v '^[[:space:]]*$')
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update="⏫ Update emoji cache"
emoji=$(printf "$emoji\n$update")
line=$(echo "$emoji" | rofi -dmenu -i -p emoji -kb-custom-1 Ctrl+c -kb-row-tab '' -kb-row-select Tab $@)
exit_code=$?
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if [ "${line[@]}" == "$update" ]; then
download
exit 0
fi
line=($line)
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last=${line[${#line[@]}-1]}
quantifier="${last:${#last}-1:1}"
echo "$quantifier" | egrep -q '^[0-9]+$' || quantifier=1
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emojis="$(repeat "${line[0]}" "$quantifier")"
if [ $exit_code == 0 ]; then
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xdotool type --clearmodifiers "$emojis"
echo -n "$emojis" | xclip -i
elif [ $exit_code == 10 ]; then
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echo -n "$emojis" | xclip -i
fi
}
if [[ "$1" =~ -D|--download ]]; then
download
exit 0
elif [[ "$1" =~ -h|--help ]]; then
echo "usage: $0 [-D|--download]"
exit 0
fi
display