configuration form the arch linux stored

polybar/scripts/adjust_brightness_xrandr.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Set your display identifier
+DISPLAY_IDENTIFIER="DVI-I-0"
+
+# Get the current brightness
+current_brightness=$(xrandr --verbose | grep -m 1 -i brightness | cut -f2 -d ' ')
+
+# Determine the step value for brightness changes based on current brightness
+if (( $(echo "$current_brightness < 0.2" | bc -l) )); then
+    step=0.0125  # Finer step for the dimmest settings
+elif (( $(echo "$current_brightness < 0.5" | bc -l) )); then
+    step=0.0375    # Smaller step for dim settings
+else
+    step=0.075     # Larger step for brighter settings
+fi
+
+# Increase or decrease brightness based on the first argument
+if [ "$1" == "+" ]; then
+    new_brightness=$(echo "$current_brightness + $step" | bc)
+elif [ "$1" == "-" ]; then
+    new_brightness=$(echo "$current_brightness - $step" | bc)
+fi
+
+# Format the brightness to avoid locale issues with decimal separator
+new_brightness=$(LC_ALL=C printf "%.4f" $new_brightness)
+
+# Clamp the new brightness values to be within 0.1 and 1
+if (( $(echo "$new_brightness < 0.1" | bc -l) )); then
+    new_brightness=0.1
+elif (( $(echo "$new_brightness > 1" | bc -l) )); then
+    new_brightness=1
+fi
+
+# Apply the new brightness value
+xrandr --output $DISPLAY_IDENTIFIER --brightness $new_brightness