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dotfiles/bin/blob-theme-menu

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#!/bin/bash
# blob:summary=Pick a color theme from the local and bundled sets
# blob:args=[--mode|--print]
user_themes_dir="$HOME/.config/blob/themes"
current_dir="$HOME/.local/state/blob/current"
prettify() {
echo "$1" | sed -E 's/(^|-)([a-z])/\1\u\2/g; s/-/ /g'
}
current_mode() {
local name
name=$(cat "$current_dir/theme.name" 2>/dev/null)
if [ "$name" = "blob-dynamic" ]; then
echo "dynamic"
else
echo "static"
fi
}
theme_swatches() {
awk -F'"' '
/^[a-z_]+ *= *"#[0-9A-Fa-f]+"/ {
split($1, key_parts, /[ =]/)
colors[key_parts[1]] = $2
}
END {
count = split("background foreground accent red green yellow blue magenta cyan", swatch_keys, " ")
for (index_number = 1; index_number <= count; index_number++) {
color = colors[swatch_keys[index_number]]
if (color != "") printf "%s%s", (printed++ ? " " : ""), color
}
}
' "$1"
}
list_theme_rows() {
local dynamic_colors="$current_dir/theme/colors.toml"
local dynamic_swatches=""
[ "$(current_mode)" = "dynamic" ] && [ -f "$dynamic_colors" ] && dynamic_swatches=$(theme_swatches "$dynamic_colors")
printf '\tDynamic (from wallpaper)\tblob-dynamic\t%s\n' "$dynamic_swatches"
{
find "$user_themes_dir" -mindepth 1 -maxdepth 1 -type d 2>/dev/null
find "$BLOB_PATH/themes" -mindepth 1 -maxdepth 1 -type d 2>/dev/null
} | while read -r theme_dir; do
[ -f "$theme_dir/colors.toml" ] || continue
slug=$(basename "$theme_dir")
[ "$slug" = "blob-dynamic" ] && continue
printf '\t%s\t%s\t%s\n' "$(prettify "$slug")" "$slug" "$(theme_swatches "$theme_dir/colors.toml")"
done | sort -u -t$'\t' -k3,3
}
print_current_colors() {
local colors_file="$current_dir/theme/colors.toml"
if [ ! -f "$colors_file" ]; then
echo "No active theme colors.toml found at $colors_file" >&2
exit 1
fi
awk '1' "$colors_file"
}
case "$1" in
--mode)
current_mode
;;
--print)
print_current_colors
;;
*)
selection=$(list_theme_rows | blob-menu-select "Select Theme" -- --width 800) || exit 0
slug=$(printf '%s' "$selection" | cut -f2)
[ -n "$slug" ] || exit 0
if [ "$slug" = "blob-dynamic" ]; then
exec blob-theme-dynamic
fi
awww kill --all >/dev/null 2>&1
exec blob-theme-set "$slug"
;;
esac