From 9a2053ff3d0225507dde64205383a295f0a0ce69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Motiejus=20Jak=C5=A1tys?= <motiejus@jakstys.lt>
Date: Thu, 6 Mar 2025 20:36:40 +0000
Subject: [PATCH] brightness script
---
modules/profiles/desktop/brightness | 46 ++++++++++++++++++++++++++++
modules/profiles/desktop/default.nix | 5 +++
modules/profiles/desktop/rc.lua | 10 ++++++
3 files changed, 61 insertions(+)
create mode 100755 modules/profiles/desktop/brightness
diff --git a/modules/profiles/desktop/brightness b/modules/profiles/desktop/brightness
new file mode 100755
index 0000000..585bb3c
--- /dev/null
+++ b/modules/profiles/desktop/brightness
@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+#
+# This is a shell "application", but doesn't have to be one, so
+# leaving the shebang in place.
+set -euo pipefail
+
+dir=$(find /sys/devices/ -name intel_backlight | head -1)
+if [[ -z "$dir" ]]; then
+ echo "intel_backlight not found"
+ exit 1
+fi
+
+max=$(cat "$dir/max_brightness")
+now=$(cat "$dir/brightness")
+step=$((max * 3 / 100))
+min=100
+
+clamp() {
+ if [[ $1 -gt $max ]]; then
+ echo "$max"
+ elif [[ $1 -lt $min ]]; then
+ echo "$min"
+ else
+ echo "$1"
+ fi
+}
+
+info() {
+ perc="$(echo "$1*100/$max" | bc -l)"
+ printf "%s of %s (%.2f%%)\n" "$1" "$max" "$perc"
+}
+
+new=
+case "${1:-}" in
+up)
+ new=$(clamp $((now + step)) ) ;;
+down)
+ new=$(clamp $((now - step)) ) ;;
+esac
+
+if [[ -n "$new" ]]; then
+ echo "$new" | sudo tee "$dir/brightness" > /dev/null
+ info "$new"
+else
+ info "$now"
+fi
diff --git a/modules/profiles/desktop/default.nix b/modules/profiles/desktop/default.nix
index 2ea9313..71127d2 100644
--- a/modules/profiles/desktop/default.nix
+++ b/modules/profiles/desktop/default.nix
@@ -8,6 +8,10 @@ let
inherit (config.mj) username;
firefox =
if (pkgs.stdenv.hostPlatform.system == "x86_64-linux") then pkgs.firefox-bin else pkgs.firefox;
+ brightness = pkgs.writeShellApplication {
+ name = "brightness";
+ text = builtins.readFile ./brightness;
+ };
in
{
imports = [ ../dev ];
@@ -134,6 +138,7 @@ in
# packages defined here
nicer
tmuxbash
+ brightness
f3 # flight-flash-fraud
iw
diff --git a/modules/profiles/desktop/rc.lua b/modules/profiles/desktop/rc.lua
index 876e3a1..37b111f 100644
--- a/modules/profiles/desktop/rc.lua
+++ b/modules/profiles/desktop/rc.lua
@@ -278,6 +278,16 @@ globalkeys = gears.table.join(
xclip -selection clipboard -target image/png -i $f'
]])
end),
+ awful.key({}, "XF86MonBrightnessDown", function()
+ awful.spawn.easy_async_with_shell("brightness down", function(stdout)
+ naughty.notify({text = stdout, timeout = 1})
+ end)
+ end),
+ awful.key({}, "XF86MonBrightnessUp", function()
+ awful.spawn.easy_async_with_shell("brightness up", function(stdout)
+ naughty.notify({text = stdout, timeout = 1})
+ end)
+ end),
awful.key({ modkey, }, "Left", awful.tag.viewprev,
{description = "view previous", group = "tag"}),
awful.key({ modkey, }, "Right", awful.tag.viewnext,