123 lines
3.3 KiB
Bash
Executable File
123 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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# blob:summary=Show or adjust brightness on the focused display.
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# blob:args=[--no-osd] [--monitor name] [+N%|N%-|N%|off|on]
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# blob:examples=blob brightness display | blob brightness display +5% | blob brightness display --monitor DP-1 50% | blob brightness display off | blob brightness display on
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no_osd=0
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monitor=""
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while (( $# > 0 )); do
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case "$1" in
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--no-osd)
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no_osd=1
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shift
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;;
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--monitor)
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(( $# >= 2 )) || exit 1
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monitor="$2"
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shift 2
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;;
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*)
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break
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;;
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esac
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done
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# Get the brightness of the passed display
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backlight_brightness() {
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brightnessctl -d "$1" -m 2>/dev/null | awk -F, '{ gsub("%", "", $4); print $4; found=1 } END{ exit !found }'
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}
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[[ -n $monitor ]] || monitor="$(blob-hypr-monitor-focused 2>/dev/null || true)"
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monitor_is_internal() {
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[[ $monitor =~ ^(eDP|LVDS|DSI)- ]]
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}
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use_apple_display() {
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blob-hypr-monitor-focused-apple "$monitor"
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}
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use_ddc_display() {
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[[ -n $monitor ]] && ! monitor_is_internal
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}
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if (( $# == 0 )); then
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if use_apple_display; then
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blob-brightness-display-apple
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exit
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elif use_ddc_display; then
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blob-brightness-ddc "$monitor"
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exit
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fi
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device="$(blob-hw-display)" || exit 1
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backlight_brightness "$device"
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exit
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fi
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step="$1"
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if [[ $step == "off" ]]; then
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hyprctl dispatch 'hl.dsp.dpms({ action = "disable" })' >/dev/null 2>&1
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exit 0
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elif [[ $step == "on" ]]; then
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# Skip the dispatch when every active display is already lit: a redundant
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# DPMS enable right after system resume forces another modeset, which blanks
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# the panel for a beat (visible flash at the unlock screen).
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hyprctl monitors -j 2>/dev/null | jq -e '[.[] | select(.disabled == false)] | length > 0 and all(.dpmsStatus)' >/dev/null 2>&1 && exit 0
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hyprctl dispatch 'hl.dsp.dpms({ action = "enable" })' >/dev/null 2>&1
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exit 0
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fi
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# Drop overlapping brightness key events so concurrent invocations do not race.
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# Hardware key repeat present on some devices can otherwise glitch OSD rendering.
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exec {lock_fd}>"${XDG_RUNTIME_DIR:-/tmp}/blob-brightness-display.lock"
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flock -n "$lock_fd" || exit 0
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if use_apple_display; then
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if (( no_osd )); then
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blob-brightness-display-apple --no-osd "$step"
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else
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blob-brightness-display-apple "$step"
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fi
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elif use_ddc_display; then
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brightness="$(blob-brightness-ddc "$monitor" "$step")" || exit 1
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(( no_osd )) || blob-osd -i brightness -p "$brightness"
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else
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# Current device highlighted
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device="$(blob-hw-display)" || exit 1
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# Current brightness percentage
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current=$(backlight_brightness "$device") || exit 1
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# Apply non-uniform step size: 1% steps if at or below 5%, otherwise set an
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# absolute target percentage to avoid raw backlight rounding causing uneven OSD steps.
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if [[ $step == "+5%" ]]; then
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if (( current < 5 )); then
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(( target = current + 1 ))
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else
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(( target = current + 5 ))
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fi
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(( target > 100 )) && target=100
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step="$target%"
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elif [[ $step == "5%-" ]]; then
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if (( current <= 5 )); then
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(( target = current - 1 ))
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else
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(( target = current - 5 ))
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fi
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(( target < 1 )) && target=1
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step="$target%"
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fi
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# Set brightness of the display device.
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brightnessctl -d "$device" set "$step" >/dev/null
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# Show the new brightness in OSD
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(( no_osd )) || blob-osd -i brightness -p "$(backlight_brightness "$device")"
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fi
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