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set brightness monitor scontrol script

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Guru Swarupa 2024-09-18 19:50:52 +05:30
parent d99d26d910
commit 71beabd6d6
2 changed files with 91 additions and 0 deletions
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85
tabs/utils/monitor-control/set_brightness.sh Normal file
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@ -0,0 +1,85 @@
#!/bin/sh -e
. ./utility_functions.sh
# Function to adjust brightness for a selected monitor
adjust_monitor_brightness() {
while true; do
monitor_list=$(detect_connected_monitors)
monitor_array=$(echo "$monitor_list" | tr '\n' ' ')
set -- $monitor_array
count=1
clear
printf "%b\n" "${YELLOW}=========================================${RC}"
printf "%b\n" "${YELLOW} Adjust Monitor Brightness${RC}"
printf "%b\n" "${YELLOW}=========================================${RC}"
printf "%b\n" "${YELLOW}Choose a monitor to adjust brightness:${RC}"
for monitor in "$@"; do
echo "$count. $monitor"
count=$((count + 1))
done
echo "Enter the number of the monitor (or 'q' to quit): "
read monitor_choice
if [ "$monitor_choice" = "q" ]; then
printf "%b\n" "${RED}Exiting...${RC}"
return
fi
if ! echo "$monitor_choice" | grep -qE '^[0-9]+$'; then
echo "Invalid selection. Please try again."
echo "Press [Enter] to continue..."
read
continue
fi
if [ "$monitor_choice" -lt 1 ] || [ "$monitor_choice" -gt "$#" ]; then
printf "%b\n" "${RED}Invalid selection. Please try again.${RC}"
echo "Press [Enter] to continue..."
read
continue
fi
monitor_name=$(eval echo "\${$monitor_choice}")
current_brightness=$(get_current_brightness "$monitor_name")
# Correctly calculate the brightness percentage
current_brightness_percentage=$(awk "BEGIN {printf \"%.0f\", $current_brightness * 100}")
printf "%b\n" "${YELLOW}Current brightness for $monitor_name${RC}: ${GREEN}$current_brightness_percentage%${RC}"
while true; do
echo "Enter the new brightness value as a percentage (10 to 100, or 'q' to quit): "
read new_brightness_percentage
if [ "$new_brightness_percentage" = "q" ]; then
printf "%b\n" "${RED}Exiting...${RC}"
return
fi
# Validate brightness input: accept only values above 10
if ! echo "$new_brightness_percentage" | grep -qE '^[0-9]+$' || [ "$new_brightness_percentage" -lt 10 ] || [ "$new_brightness_percentage" -gt 100 ]; then
printf "%b\n" "${RED}Invalid brightness value. Please enter a value between 10 and 100.${RC}"
continue
fi
# Convert percentage to xrandr brightness value (10% to 0.10)
new_brightness=$(awk "BEGIN {printf \"%.2f\", $new_brightness_percentage / 100}")
echo "Set brightness for $monitor_name to $new_brightness_percentage%? (y/n): "
read confirm
if [ "$confirm" = "y" ] || [ "$confirm" = "Y" ]; then
printf "%b\n" "${GREEN}Setting brightness for $monitor_name to $new_brightness_percentage%${RC}"
execute_command "xrandr --output $monitor_name --brightness $new_brightness"
printf "%b\n" "${GREEN}Brightness for $monitor_name set to $new_brightness_percentage% successfully.${RC}"
break
else
printf "%b\n" "${RED}Action canceled. Please choose a different brightness value.${RC}"
fi
done
done
}
# Call the adjust_monitor_brightness function
adjust_monitor_brightness

6
tabs/utils/monitor-control/utility_functions.sh
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@ -38,6 +38,12 @@ detect_connected_monitors() {
echo "$xrandr_output" | grep " connected" | awk '{print $1}'
}
# Function to get the current brightness for a monitor
get_current_brightness() {
monitor="$1"
xrandr --verbose | grep -A 10 "^$monitor connected" | grep "Brightness:" | awk '{print $2}'
}
# Function to get resolutions for a monitor
get_unique_resolutions() {
monitor="$1"