From a81ab033ec5ac0cdbdddfc31f242aee7cb5aee4e Mon Sep 17 00:00:00 2001
From: krolxon <krolyxon@tutanota.com>
Date: Mon, 25 Aug 2025 15:41:08 +0530
Subject: hyprland: add hypr_brightness script

This script uses ddcutil and allows you to also control the brightness
of external displays.

It changes the brightness of the display that you are currently focused
in.
---
 .config/hypr/scripts/hypr_brightness.sh | 46 +++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100755 .config/hypr/scripts/hypr_brightness.sh

(limited to '.config/hypr/scripts')

diff --git a/.config/hypr/scripts/hypr_brightness.sh b/.config/hypr/scripts/hypr_brightness.sh
new file mode 100755
index 0000000..2ba9d98
--- /dev/null
+++ b/.config/hypr/scripts/hypr_brightness.sh
@@ -0,0 +1,46 @@
+#!/usr/bin/env sh
+# Source: https://github.com/albertnis/hypr-brightness
+#  Install ddcutil, and then enable access to i2c for your user
+
+# sudo gpasswd -a $USER i2c
+# sudo modprobe i2c-dev
+# echo i2c-dev | sudo tee /etc/modules-load.d/i2c-dev.conf
+
+set +e
+
+usage="Usage: $0 [+] or [-]"
+
+if [ "$#" -ne 1 ]; then
+    echo "No direction parameter provided"
+    echo "$usage"
+    exit 1
+fi
+
+arg="$1"
+
+if [ "$arg" == "help" ] || [ "$arg" == "--help" ] || [ "$arg" == "-h" ]; then
+    echo "$usage"
+    exit 0
+fi
+
+if [ "$arg" != "+" ] && [ "$arg" != "-" ]; then
+    echo "Direction parameter must be '+' or '-'"
+    echo $usage
+    exit 1
+fi
+
+direction=$arg
+
+monitor_data=$(hyprctl monitors -j)
+focused_name=$(echo $monitor_data | jq -r '.[] | select(.focused == true) | .name')
+
+if [ "$focused_name" == "eDP-1" ]; then
+    if [ "$direction" == "-" ]; then
+        brightnessctl -e4 -n2 set 5%-
+    else
+        brightnessctl -e4 -n2 set 5%+
+    fi
+else
+    focused_id=$(echo $monitor_data | jq -r '.[] | select(.focused == true) | .id')
+    ddcutil  --enable-dynamic-sleep --display=$focused_id setvcp 10 $direction 15
+fi
-- 
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