diff options
Diffstat (limited to 'config/hypr/scripts/ExternalBrightness.sh')
| -rwxr-xr-x | config/hypr/scripts/ExternalBrightness.sh | 304 |
1 files changed, 229 insertions, 75 deletions
diff --git a/config/hypr/scripts/ExternalBrightness.sh b/config/hypr/scripts/ExternalBrightness.sh index 29c1b238..59081e1d 100755 --- a/config/hypr/scripts/ExternalBrightness.sh +++ b/config/hypr/scripts/ExternalBrightness.sh @@ -5,99 +5,253 @@ # License: GNU GPLv3 # SPDX-License-Identifier: GPL-3.0-or-later # ================================================== -# External monitor brightness via ddcutil +# External monitor brightness via ddcutil with dynamic monitor detection set -u +# Configuration step=10 -vcp_code=10 +min=5 +vcp_code=10 # MCCS VCP feature 0x10: Luminance (brightness) +state_file="/tmp/external_brightness_bus" +cache_file="/tmp/external_brightness_displays.cache" +cache_ttl=300 # 5 minutes -usage() { - cat <<'EOF' -Usage: ExternalBrightness.sh [--get|--inc|--dec|--set N] [--display N] -Env: - DDCUTIL_DISPLAY Optional display number passed to ddcutil --display - DDCUTIL_OPTS Extra options passed to ddcutil (e.g. "--sleep-multiplier 0.2") -EOF +# Detect active Hyprland config mode (Lua entrypoint vs legacy .conf includes) +config_home="${XDG_CONFIG_HOME:-$HOME/.config}" +hypr_dir="$config_home/hypr" +lua_entry="$hypr_dir/hyprland.lua" +legacy_lua_entry="$config_home/hyprland.lua" + +if [[ -n "${HYPR_CONFIG_MODE:-}" ]]; then + case "${HYPR_CONFIG_MODE,,}" in + lua) hypr_config_mode="lua" ;; + conf|hyprlang) hypr_config_mode="conf" ;; + auto) hypr_config_mode="" ;; + *) hypr_config_mode="" ;; + esac +fi + +if [[ -z "${hypr_config_mode:-}" ]]; then + if [[ -f "$lua_entry" || -f "$legacy_lua_entry" ]]; then + hypr_config_mode="lua" + else + hypr_config_mode="conf" + fi +fi + +# Get list of displays: bus model index +# Format: BUS|MODEL|INDEX +get_displays() { + if [[ -f "$cache_file" ]]; then + local now mtime + now=$(date +%s) + mtime=$(stat -c %Y "$cache_file") + if (( now - mtime < cache_ttl )); then + cat "$cache_file" + return + fi + fi + + local res + res=$(ddcutil detect --terse 2>/dev/null | awk ' + /^Display/ { + if (bus) { + count[model]++ + print bus "|" model "|" count[model] + } + bus=""; model="Unknown" + } + /I2C bus:/ { bus=$0; sub(/.*\/dev\/i2c-/, "", bus) } + /Model:/ { model=$0; sub(/.*Model:[[:space:]]*/, "", model) } + END { + if (bus) { + count[model]++ + print bus "|" model "|" count[model] + } + } + ') + + if [[ -n "$res" ]]; then + echo "$res" > "$cache_file" + echo "$res" + fi +} + +get_active_bus() { + local displays + displays=$(get_displays) + if [[ -z "$displays" ]]; then + return 1 + fi + + local saved + if [[ -f "$state_file" ]]; then + saved=$(cat "$state_file") + # Check if saved bus still exists in current displays + if echo "$displays" | grep -q "^$saved|"; then + echo "$saved" + return 0 + fi + fi + + # Default to first display's bus + echo "$displays" | head -n 1 | cut -d'|' -f1 +} + +set_active_bus() { + echo "$1" > "$state_file" +} + +cycle_display() { + local displays + displays=$(get_displays) + [[ -z "$displays" ]] && return 1 + + local current + current=$(get_active_bus) || return 1 + + local next + next=$(echo "$displays" | awk -v current="$current" -F'|' ' + { + a[n++] = $1 + } + END { + for (i=0; i<n; i++) { + if (a[i] == current) { + print a[(i+1)%n] + exit + } + } + print a[0] + } + ') + set_active_bus "$next" } ddcutil_cmd() { - local display_arg=() - local display="${DDCUTIL_DISPLAY:-}" - if [[ -n "${display}" ]]; then - display_arg+=(--display "${display}") - fi - ddcutil ${DDCUTIL_OPTS:-} "${display_arg[@]}" "$@" + local bus="$1" + shift + ddcutil --bus "$bus" ${DDCUTIL_OPTS:-} "$@" } get_brightness() { - # Example output: "VCP code 0x10 (Brightness): current value = 50, max value = 100" - local line - if ! line="$(ddcutil_cmd getvcp "${vcp_code}" 2>/dev/null | tail -n 1)"; then - return 1 - fi - local current max - current="$(printf "%s" "${line}" | sed -n 's/.*current value = \([0-9]\+\).*/\1/p')" - max="$(printf "%s" "${line}" | sed -n 's/.*max value = \([0-9]\+\).*/\1/p')" - [[ -n "${current}" && -n "${max}" ]] || return 1 - printf "%s %s\n" "${current}" "${max}" + local bus="$1" + local line + if ! line="$(ddcutil_cmd "$bus" getvcp "$vcp_code" 2>/dev/null | tail -n 1)"; then + return 1 + fi + + local current max + current="$(sed -n 's/.*current value = *\([0-9]\+\).*/\1/p' <<< "$line")" + max="$(sed -n 's/.*max value = *\([0-9]\+\).*/\1/p' <<< "$line")" + + [[ -n "$current" && -n "$max" ]] || return 1 + printf "%s %s\n" "$current" "$max" } set_brightness() { - local value="$1" - ddcutil_cmd setvcp "${vcp_code}" "${value}" >/dev/null 2>&1 + local bus="$1" + local value="$2" + ddcutil_cmd "$bus" setvcp "$vcp_code" "$value" >/dev/null 2>&1 } json_output() { - local current max percent icon - if ! read -r current max < <(get_brightness); then - printf '{"text":" N/A","tooltip":"External brightness unavailable (load i2c-dev, allow i2c access)","class":"brightness-external-off"}\n' - return 0 - fi - percent=$(( current * 100 / max )) - if (( percent >= 80 )); then - icon="" - elif (( percent >= 60 )); then - icon="" - elif (( percent >= 40 )); then - icon="" - elif (( percent >= 20 )); then - icon="" - else - icon="" - fi - printf '{"text":"%s %s%%","tooltip":"External display brightness: %s%%","class":"brightness-external"}\n' "${icon}" "${percent}" "${percent}" + local displays + displays=$(get_displays) + if [[ -z "$displays" ]]; then + printf '{"text":" N/A","tooltip":"No DDC/CI displays detected","class":"brightness-external-off"}\n' + return 0 + fi + + local active_bus + active_bus=$(get_active_bus) || return 1 + + local current max percent + if ! read -r current max < <(get_brightness "$active_bus"); then + current="N/A" + percent="N/A" + else + percent=$(( current * 100 / max )) + fi + + # Build tooltip + local tooltip="" + local active_name="Unknown" + + while IFS='|' read -r bus model index; do + local name="${model}" + [[ $index -gt 1 ]] && name="${name} #${index}" + + if [[ "$bus" == "$active_bus" ]]; then + tooltip="${tooltip}[ ${name} ]\\n" + active_name="$name" + else + tooltip="${tooltip}${name}\\n" + fi + done <<< "$displays" + + tooltip="${tooltip}\\nBrightness: ${percent}%\\nClick to switch display" + + local icon="" + if [[ "$percent" != "N/A" ]]; then + if (( percent >= 80 )); then icon=""; + elif (( percent >= 60 )); then icon=""; + elif (( percent >= 40 )); then icon=""; + elif (( percent >= 20 )); then icon=""; + else icon=""; fi + printf '{"text":"%s %s%%","tooltip":"%s","class":"brightness-external"}\n' "$icon" "$percent" "$tooltip" + else + printf '{"text":" %s","tooltip":"%s","class":"brightness-external-off"}\n' "$current" "$tooltip" + fi } case "${1:-}" in - --get|"") - json_output - ;; - --inc|--dec) - read -r current max < <(get_brightness) || exit 1 - delta=$step - [[ "$1" == "--dec" ]] && delta=$(( -step )) - new=$(( current + delta )) - (( new < 5 )) && new=5 - (( new > max )) && new="${max}" - set_brightness "${new}" - json_output - ;; - --set) - [[ -n "${2:-}" ]] || { usage; exit 1; } - set_brightness "${2}" - json_output - ;; - --display) - [[ -n "${2:-}" ]] || { usage; exit 1; } - DDCUTIL_DISPLAY="${2}" shift 2 - "${0}" "${@:-"--get"}" - ;; - -h|--help) - usage - ;; - *) - usage - exit 1 - ;; + --get|"") + json_output + ;; + --inc|--dec) + bus=$(get_active_bus) || exit 0 + read -r current max < <(get_brightness "$bus") || { json_output; exit 0; } + delta=$step + [[ "$1" == "--dec" ]] && delta=$(( -step )) + new=$(( current + delta )) + (( new < min )) && new=$min + (( new > max )) && new="$max" + set_brightness "$bus" "$new" + json_output + ;; + --set) + [[ -n "${2:-}" ]] || exit 1 + bus=$(get_active_bus) || exit 1 + set_brightness "$bus" "$2" + json_output + ;; + --cycle) + cycle_display + json_output + ;; + --bus) + [[ -n "${2:-}" ]] || exit 1 + set_active_bus "$2" + shift 2 + "${0}" "${@:-"--get"}" + ;; + --display) + # Compatibility with old --display N but now it expects a bus number + # Or we could map display number to bus number + [[ -n "${2:-}" ]] || exit 1 + bus_target=$(get_displays | awk -v target="$2" -F'|' 'NR==target {print $1}') + if [[ -n "$bus_target" ]]; then + set_active_bus "$bus_target" + fi + shift 2 + "${0}" "${@:-"--get"}" + ;; + -h|--help) + echo "Usage: $0 [--get|--inc|--dec|--set N|--cycle|--bus N|--display N]" + ;; + *) + exit 1 + ;; esac |