logibar-keyboard

#!/bin/bash
# Logitech G915 X TKL Battery Widget for Waybar
#
# Usage: logibar-keyboard [--color-normal HEX] [--color-warning HEX] [--color-critical HEX]

STATE_FILE="${XDG_RUNTIME_DIR:-/run/user/$UID}/logibar/keyboard"
ICON="󰌌"
ICON_CHARGING="󰌌 ⚡"
TOOLTIP="G915 X TKL"

# --- Parse args ---
CLI_COLOR_NORMAL=""
CLI_COLOR_WARNING=""
CLI_COLOR_CRITICAL=""
FRAME=false
FRAME_FONT="JetBrainsMono Nerd Font Mono"
while [[ $# -gt 0 ]]; do
    case "$1" in
        --color-normal)   [[ $# -ge 2 ]] || { echo '{"text":"⚠","tooltip":"--color-normal requires a value","class":"critical"}'; exit 0; }
                          CLI_COLOR_NORMAL="$2"; shift 2 ;;
        --color-warning)  [[ $# -ge 2 ]] || { echo '{"text":"⚠","tooltip":"--color-warning requires a value","class":"critical"}'; exit 0; }
                          CLI_COLOR_WARNING="$2"; shift 2 ;;
        --color-critical) [[ $# -ge 2 ]] || { echo '{"text":"⚠","tooltip":"--color-critical requires a value","class":"critical"}'; exit 0; }
                          CLI_COLOR_CRITICAL="$2"; shift 2 ;;
        --frame) FRAME=true; shift ;;
        --frame-font) [[ $# -ge 2 ]] || { echo '{"text":"⚠","tooltip":"--frame-font requires a value","class":"critical"}'; exit 0; }
                      FRAME_FONT="$2"; shift 2 ;;
        *) _o="${1//\\/\\\\}"; _o="${_o//\"/\\\"}"; echo '{"text":"⚠","tooltip":"Unknown option: '"$_o"'","class":"critical"}'; exit 0 ;;
    esac
done

# --- Colors: CLI overrides > Omarchy theme > One Dark defaults ---
COLOR_NORMAL="#98c379"
COLOR_WARNING="#e5c07b"
COLOR_CRITICAL="#e06c75"
ACCENT="#61afef"
FG="#abb2bf"
BG="#282c34"

hex_blend() {  # average two #RRGGBB colors
    local c1="${1#\#}" c2="${2#\#}"
    printf '#%02x%02x%02x' \
        $(( (16#${c1:0:2} + 16#${c2:0:2}) / 2 )) \
        $(( (16#${c1:2:2} + 16#${c2:2:2}) / 2 )) \
        $(( (16#${c1:4:2} + 16#${c2:4:2}) / 2 ))
}

_theme="$HOME/.config/omarchy/current/theme/colors.toml"
if [[ -f "$_theme" ]]; then
    while IFS= read -r line; do
        [[ "$line" =~ ^[[:space:]]*# ]] && continue
        [[ -z "${line// /}" ]] && continue
        if [[ "$line" =~ ^[[:space:]]*([a-zA-Z_][a-zA-Z0-9_]*)[[:space:]]*=[[:space:]]*\"([^\"]*)\" ]]; then
            case "${BASH_REMATCH[1]}" in
                color1)     COLOR_CRITICAL="${BASH_REMATCH[2]}" ;;
                color2)     COLOR_NORMAL="${BASH_REMATCH[2]}" ;;
                color3)     COLOR_WARNING="${BASH_REMATCH[2]}" ;;
                accent)     ACCENT="${BASH_REMATCH[2]}" ;;
                foreground) FG="${BASH_REMATCH[2]}" ;;
                background) BG="${BASH_REMATCH[2]}" ;;
            esac
        fi
    done < "$_theme"
fi

[[ -n "$CLI_COLOR_NORMAL" ]]   && COLOR_NORMAL="$CLI_COLOR_NORMAL"
[[ -n "$CLI_COLOR_WARNING" ]]  && COLOR_WARNING="$CLI_COLOR_WARNING"
[[ -n "$CLI_COLOR_CRITICAL" ]] && COLOR_CRITICAL="$CLI_COLOR_CRITICAL"

DIM=$(hex_blend "$FG" "$BG")
BAR_EMPTY=$(hex_blend "$BG" "$DIM")

# --- Read state ---
if [[ ! -f "$STATE_FILE" ]]; then
    echo '{"text": ""}'
    exit 0
fi

BATTERY=$(sed -n '1p' "$STATE_FILE")
CONNECTED=$(sed -n '2p' "$STATE_FILE")
CHARGING=$(sed -n '3p' "$STATE_FILE")

if [[ -z "$BATTERY" ]] || [[ "$BATTERY" == "0" ]] || [[ "$CONNECTED" != "1" ]]; then
    echo '{"text": ""}'
    exit 0
fi

# --- Severity → class + bar color (bar color is always set, for the gauge) ---
if [[ $BATTERY -le 10 ]]; then
    CLASS="critical"; COLOR="$COLOR_CRITICAL"; BAR_COLOR="$COLOR_CRITICAL"
elif [[ $BATTERY -le 20 ]]; then
    CLASS="warning"; COLOR="$COLOR_WARNING"; BAR_COLOR="$COLOR_WARNING"
else
    CLASS="normal"; COLOR=""; BAR_COLOR="$COLOR_NORMAL"
fi

# --- Bar text (the waybar module label) ---
if [[ "$CHARGING" == "1" ]]; then DISPLAY_ICON="$ICON_CHARGING"; else DISPLAY_ICON="$ICON"; fi
if [[ -n "$COLOR" ]]; then
    BATTERY_TEXT="<span size='small' foreground='${COLOR}'>$BATTERY%</span>"
else
    BATTERY_TEXT="<span size='small'>$BATTERY%</span>"
fi

# --- Tooltip: framed battery card (family style) ---
strip_tags() { sed 's/<[^>]*>//g' <<< "$1"; }
BAR_LEN=14
filled=$(( BATTERY * BAR_LEN / 100 ))
(( filled > BAR_LEN )) && filled=$BAR_LEN
(( filled < 0 )) && filled=0
printf -v _bf '%*s' "$filled" ''
printf -v _be '%*s' "$(( BAR_LEN - filled ))" ''
gauge="<span foreground='${BAR_COLOR}'>${_bf// /█}</span><span foreground='${BAR_EMPTY}'>${_be// /░}</span>"

if [[ "$CHARGING" == "1" ]]; then
    status="<span foreground='${COLOR_NORMAL}'>$(printf '\U000F0084')  Charging</span>"
else
    status="<span foreground='${DIM}'>$(printf '\U000F007E')  On battery</span>"
fi

title="<span font_weight='bold' foreground='${ACCENT}'>${ICON}  ${TOOLTIP}</span>"
row_bar="   ${gauge}  <span font_weight='bold' foreground='${BAR_COLOR}'>${BATTERY}%</span>"
row_status="   ${status}"

INNER=0
for _ln in "$title" "$row_bar" "$row_status"; do
    _p=$(strip_tags "$_ln"); (( ${#_p} > INNER )) && INNER=${#_p}
done
INNER=$(( INNER + 1 ))
_pad()  { local _p; _p=$(strip_tags "$1"); local n=$(( INNER - ${#_p} )); (( n < 0 )) && n=0; local s; printf -v s '%*s' "$n" ''; printf '%s%s' "$1" "$s"; }
_cpad() { local _p; _p=$(strip_tags "$1"); local n=$(( INNER - ${#_p} )); (( n < 0 )) && n=0; local l=$(( n/2 )) r=$(( n - n/2 )) ls rs; printf -v ls '%*s' "$l" ''; printf -v rs '%*s' "$r" ''; printf '%s%s%s' "$ls" "$1" "$rs"; }

B="<span foreground='${ACCENT}'>"; E="</span>"; NL=$'\n'
printf -v _border '%*s' "$INNER" ''; _border="${_border// /─}"
printf -v _sepd '%*s' "$(( INNER - 2 ))" ''; _sepd="${_sepd// /─}"
if [[ "$FRAME" == "true" ]]; then
    # Framed: box pinned to a Mono Nerd Font so text/box-drawing/icons share one
    # uniform advance — alignment holds regardless of the user's bar font.
    TIP="${B}╭${_border}╮${E}${NL}"
    TIP+="${B}│${E}$(_cpad "$title")${B}│${E}${NL}"
    TIP+="${B}│${E}$(_pad " <span foreground='${DIM}'>${_sepd}</span>")${B}│${E}${NL}"
    TIP+="${B}│${E}$(_pad "$row_bar")${B}│${E}${NL}"
    TIP+="${B}│${E}$(_pad "$row_status")${B}│${E}${NL}"
    TIP+="${B}╰${_border}╯${E}"
    _ff=$(sed 's/&/\&amp;/g; s/</\&lt;/g; s/>/\&gt;/g; s/'\''/\&apos;/g' <<< "$FRAME_FONT")
    TIP="<span font_family='${_ff}'>${TIP}</span>"
else
    # Plain (default): no border, no font pin → renders in the user's font.
    # Leading space aligns the title with the rule below it.
    TIP=" ${title}${NL}"
    TIP+=" <span foreground='${DIM}'>${_sepd}</span>${NL}"
    TIP+="${row_bar}${NL}"
    TIP+="${row_status}"
fi

jq -nc --arg t "$DISPLAY_ICON ${BATTERY_TEXT}" --arg tip "$TIP" --arg class "$CLASS" --argjson pct "$BATTERY" \
    '{text:$t, tooltip:$tip, class:$class, percentage:$pct}'