hyprmon-monitor-daemon

gistfile1.txt

#!/bin/bash

# Logging setup
LOG_DIR="$HOME/.local/share/hyprmon-daemon"
LOG_FILE="$LOG_DIR/daemon.log"
mkdir -p "$LOG_DIR"

# Function to log with timestamp
log() {
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" >> "$LOG_FILE"
}

log "========== DAEMON STARTED =========="
log "Hyprland instance: $HYPRLAND_INSTANCE_SIGNATURE"

# Track current state
LAST_STATE=""

# Function to get current monitor state from Hyprland
get_hyprland_state() {
    hyprctl monitors -j 2>/dev/null | jq -r '.[].name' | grep -E "^DP-" | sort | tr '\n' ',' || echo ""
}

# Function to get current monitor state from DRM (hardware)
get_drm_state() {
    grep -h "^connected$" /sys/class/drm/card1-DP-*/status 2>/dev/null | wc -l
}

# Initialize with current state
LAST_STATE=$(get_hyprland_state)
log "Initial Hyprland state: [$LAST_STATE]"

# Function to check and trigger if state changed
check_state_change() {
    NEW_STATE=$(get_hyprland_state)
    
    if [ "$NEW_STATE" != "$LAST_STATE" ]; then
        log "State changed from [$LAST_STATE] to [$NEW_STATE] - TRIGGERING auto-switch"
        LAST_STATE=$NEW_STATE
        ~/.local/bin/hyprmon-auto-switch
    fi
}

# Start polling in background (every 3 seconds)
(
    while true; do
        sleep 3
        
        # Check if DRM state doesn't match Hyprland state
        DRM_EXTERNAL_COUNT=$(get_drm_state)
        HYPR_STATE=$(get_hyprland_state)
        
        # DRM says external is connected (count > 0) but Hyprland doesn't see it
        if [ "$DRM_EXTERNAL_COUNT" -gt 0 ] && [ -z "$HYPR_STATE" ]; then
            log "[POLLING] DRM detects external monitor but Hyprland doesn't - forcing check"
            check_state_change
        # DRM says no external (count = 0) but Hyprland still sees it
        elif [ "$DRM_EXTERNAL_COUNT" -eq 0 ] && [ -n "$HYPR_STATE" ]; then
            log "[POLLING] DRM shows no external monitor but Hyprland still sees it - forcing check"
            check_state_change
        fi
    done
) &

# Also listen to Hyprland events (for fast response when they work)
socat -U - UNIX-CONNECT:$XDG_RUNTIME_DIR/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock | \
while read -r line; do
    # Log ALL monitor-related events
    if echo "$line" | grep -qE "^monitor"; then
        log "RAW monitor event: $line"
        
        # Only care about external monitor (DP-*) add/remove
        if echo "$line" | grep -qE "^monitor(added|removed)>>DP-"; then
            sleep 2
            log "[EVENT] External monitor event detected - checking state"
            check_state_change
        fi
    fi
done