Files
dwm/bar.sh
2025-07-02 20:29:01 +02:00

246 lines
7.3 KiB
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#!/usr/bin/env bash
# Global variables for theme tracking
CURRENT_THEME=""
THEME_FILE="$HOME/.current_theme"
LAST_MTIME=0
# Function to read current theme from file
get_current_theme() {
if [ -f "$THEME_FILE" ]; then
cat "$THEME_FILE" 2>/dev/null || echo "dark"
else
echo "dark" # default to dark theme
fi
}
# Function to check if theme file has been modified
theme_file_changed() {
if [ -f "$THEME_FILE" ]; then
local current_mtime=$(stat -c %Y "$THEME_FILE" 2>/dev/null || echo 0)
if [ "$current_mtime" -gt "$LAST_MTIME" ]; then
LAST_MTIME="$current_mtime"
return 0 # File was modified
fi
fi
return 1 # No change
}
# Function to update theme if changed
update_theme_if_changed() {
if theme_file_changed; then
local new_theme=$(get_current_theme)
if [ "$new_theme" != "$CURRENT_THEME" ]; then
CURRENT_THEME="$new_theme"
set_colors
echo "Bar theme changed to: $CURRENT_THEME" >&2
return 0 # Theme was updated
fi
fi
return 1 # No update
}
# Function to set color palette based on theme
set_colors() {
if [ "$CURRENT_THEME" = "light" ]; then
# Rosé Pine Dawn (light) color palette
BASE=#faf4ed
SURFACE=#fffaf3
OVERLAY=#f2e9e1
MUTED=#9893a5
SUBTLE=#797593
TEXT=#575279
LOVE=#b4637a
GOLD=#ea9d34
ROSE=#d7827e
PINE=#286983
FOAM=#56949f
IRIS=#907aa9
HIGHLIGHT_LOW=#f4ede8
HIGHLIGHT_MED=#dfdad9
HIGHLIGHT_HIGH=#cecacd
else
# Rosé Pine (dark) color palette - default
BASE=#191724
SURFACE=#1f1d2e
OVERLAY=#26233a
MUTED=#6e6a86
SUBTLE=#908caa
TEXT=#e0def4
LOVE=#eb6f92
GOLD=#f6c177
ROSE=#ebbcba
PINE=#31748f
FOAM=#9ccfd8
IRIS=#c4a7e7
HIGHLIGHT_LOW=#21202e
HIGHLIGHT_MED=#403d52
HIGHLIGHT_HIGH=#524f67
fi
}
# Initialize theme
CURRENT_THEME=$(get_current_theme)
if [ -f "$THEME_FILE" ]; then
LAST_MTIME=$(stat -c %Y "$THEME_FILE" 2>/dev/null || echo 0)
fi
set_colors
echo "Bar started with theme: $CURRENT_THEME" >&2
# Function to get CPU usage
get_cpu_usage() {
cpu_usage=$(awk '{u=$2+$4; t=$2+$4+$5; if (NR==1){u1=u; t1=t;} else print int(($2+$4-u1) * 100 / (t-t1)); }' \
<(grep 'cpu ' /proc/stat) <(sleep 1; grep 'cpu ' /proc/stat))
echo "^c$FOAM^CPU: $cpu_usage%"
}
# Function to get memory usage
get_memory_usage() {
# Extract used and total memory in kilobytes
mem_info=$(free -k | awk '/^Mem:/ {print $3, $2}')
used_mem=$(echo $mem_info | awk '{print $1}')
total_mem=$(echo $mem_info | awk '{print $2}')
# Calculate memory usage percentage
mem_percent=$(awk "BEGIN {printf \"%.0f%%\", ($used_mem / $total_mem) * 100}")
# Output the result with color
echo "^c$IRIS^MEM: $mem_percent"
}
# Function to get volume level
get_volume() {
# Get the default sink (output device) and its volume/mute status
default_sink=$(pactl get-default-sink)
volume=$(pactl get-sink-volume $default_sink | grep -o '[0-9]*%' | head -1)
is_muted=$(pactl get-sink-mute $default_sink | grep -o 'yes\|no')
# Replace "yes" with "MUT" and "no" with the volume level
if [ "$is_muted" = "yes" ]; then
volume="MUT"
fi
# Get the default source (input device) and its volume/mute status
default_source=$(pactl get-default-source)
mic_level=$(pactl get-source-volume $default_source | grep -o '[0-9]*%' | head -1)
is_mic_muted=$(pactl get-source-mute $default_source | grep -o 'yes\|no')
# Replace "yes" with "MUT" and "no" with the microphone level
if [ "$is_mic_muted" = "yes" ]; then
mic_level="MUT"
fi
# Output the results with colors
echo "^c$PINE^VOL: $volume MIC: $mic_level"
}
# Function to get brightness percentage
get_brightness() {
# Get the current brightness level (adjust path if needed)
brightness=$(cat /sys/class/backlight/intel_backlight/brightness)
max_brightness=$(cat /sys/class/backlight/intel_backlight/max_brightness)
# Calculate brightness percentage
brightness_percent=$(awk "BEGIN {printf \"%.0f%%\", ($brightness / $max_brightness) * 100}")
# Output the result with color
echo "^c$ROSE^BRT: $brightness_percent"
}
# Function to get weighted average battery level
get_battery_level() {
BAT_PATHS=(/sys/class/power_supply/BAT*)
total_now=0
total_full=0
for BAT in "${BAT_PATHS[@]}"; do
if [[ -f "$BAT/energy_now" && -f "$BAT/energy_full" ]]; then
now=$(<"$BAT/energy_now")
full=$(<"$BAT/energy_full")
elif [[ -f "$BAT/charge_now" && -f "$BAT/charge_full" ]]; then
now=$(<"$BAT/charge_now")
full=$(<"$BAT/charge_full")
else
continue
fi
total_now=$((total_now + now))
total_full=$((total_full + full))
done
if [[ $total_full -eq 0 ]]; then
percent=0
else
percent=$((100 * total_now / total_full))
fi
if (( percent < 15 )); then
echo "^c$TEXT^^b$LOVE^BAT: $percent%^b$BASE^"
else
echo "^c$LOVE^BAT: $percent%"
fi
# Get battery levels (adjust paths if needed)
# battery0_level=$(cat /sys/class/power_supply/BAT0/capacity)
# battery1_level=$(cat /sys/class/power_supply/BAT1/capacity)
# battery0_energy_full=$(cat /sys/class/power_supply/BAT0/energy_full)
# battery1_energy_full=$(cat /sys/class/power_supply/BAT1/energy_full)
# Calculate weights based on energy capacity
# weight0=$(awk "BEGIN {printf \"%.2f\", $battery0_energy_full / ($battery0_energy_full + $battery1_energy_full)}")
# weight1=$(awk "BEGIN {printf \"%.2f\", $battery1_energy_full / ($battery0_energy_full + $battery1_energy_full)}")
# Calculate weighted average
# weighted_avg=$(awk "BEGIN {printf \"%.0f%%\", ($battery0_level * $weight0 + $battery1_level * $weight1)}")
# battery0_level=$(cat /sys/class/power_supply/BAT0/capacity)
# echo "^c$LOVE^BAT: $battery0_level%"
# Output the result with color
# echo "^c$LOVE^BAT: $weighted_avg"
}
# Function to get date and time in American 12-hour format
get_datetime() {
datetime=$(date +"%a %d %b %I:%M %p")
echo "^c$GOLD^$datetime"
}
# Function to detect if the system is a laptop
is_laptop() {
# Check if battery and brightness files exist
if [ -d /sys/class/power_supply/BAT0 ] && [ -d /sys/class/backlight/intel_backlight ]; then
return 0 # Laptop
else
return 1 # PC
fi
}
# Main loop to update xsetroot
while true; do
# Check for theme changes on every iteration
update_theme_if_changed
# Combine all status components
if is_laptop; then
# Include battery and brightness for laptops
status="$(get_volume) ^c$TEXT^| $(get_cpu_usage) ^c$TEXT^| $(get_memory_usage) ^c$TEXT^| $(get_brightness) ^c$TEXT^| $(get_battery_level) ^c$TEXT^| $(get_datetime)"
else
# Exclude battery and brightness for PCs
status="$(get_volume) ^c$TEXT^| $(get_cpu_usage) ^c$TEXT^| $(get_memory_usage) ^c$TEXT^| $(get_datetime)"
fi
# Update the root window name with a darker background
xsetroot -name "$status"
# Sleep for 250 milis before updating
sleep 0.25
done