configuration form the arch linux stored

polybar/scripts/brightness.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+
+DEVICE="intel_backlight"
+BRIGHTNESS=$(brightnessctl get)
+MAX_BRIGHTNESS=$(brightnessctl max)
+PERCENTAGE=$((BRIGHTNESS * 100 / MAX_BRIGHTNESS))
+
+# Define icons
+ICON_BRIGHT=""
+ICON_DIM=""
+
+# Set icon based on brightness level
+if [ $PERCENTAGE -ge 50 ]; then
+    ICON=$ICON_BRIGHT
+else
+    ICON=$ICON_DIM
+fi
+
+# Function to calculate the step size dynamically
+calculate_step() {
+    local percentage=$1
+    local min_step=$((MAX_BRIGHTNESS / 100))  # 1% step
+    local max_step=$((MAX_BRIGHTNESS * 15 / 100))  # 15% step
+
+    # Scale the step size linearly between min_step and max_step
+    local step=$((min_step + (max_step - min_step) * percentage / 100))
+
+    # Ensure the step is within bounds
+    if [ $step -lt $min_step ]; then
+        step=$min_step
+    elif [ $step -gt $max_step ]; then
+        step=$max_step
+    fi
+
+    echo $step
+}
+
+# Function to calculate the new brightness value
+calculate_new_brightness() {
+    local current=$1
+    local max=$2
+    local change=$3
+
+    # Calculate the new brightness value
+    local new_value=$((current + change))
+
+    # Ensure the new value is within the valid range (1% to 100%)
+    if [ $new_value -lt 1 ]; then
+        new_value=1
+    elif [ $new_value -gt $max ]; then
+        new_value=$max
+    fi
+
+    echo $new_value
+}
+
+# Handle click actions
+case $1 in
+    "up")
+        STEP=$(calculate_step $PERCENTAGE)
+        NEW_BRIGHTNESS=$(calculate_new_brightness $BRIGHTNESS $MAX_BRIGHTNESS $STEP)
+        brightnessctl set $NEW_BRIGHTNESS > /dev/null
+        ;;
+    "down")
+        STEP=$(calculate_step $PERCENTAGE)
+        NEW_BRIGHTNESS=$(calculate_new_brightness $BRIGHTNESS $MAX_BRIGHTNESS $(( -STEP )))
+        brightnessctl set $NEW_BRIGHTNESS > /dev/null
+        ;;
+esac
+
+# Output for Polybar
+echo "$ICON $PERCENTAGE%"