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89 lines
2.4 KiB
Bash
Executable File
89 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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# Screenshot Watcher - monitors for jcode screenshot signals
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#
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# This script watches the signal directory and captures screenshots
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# when jcode signals that a specific UI state is ready.
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#
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# Usage: ./screenshot_watcher.sh [window_id]
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#
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# Start jcode with: /screenshot-mode on
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set -e
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SIGNAL_DIR="${XDG_RUNTIME_DIR:-/tmp}/jcode-screenshots"
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OUTPUT_DIR="$(dirname "$0")/../docs/screenshots"
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WINDOW_ID="${1:-}"
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mkdir -p "$OUTPUT_DIR" "$SIGNAL_DIR"
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# Get window ID if not provided
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if [ -z "$WINDOW_ID" ]; then
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echo "Tip: Pass window ID as argument, or we'll use focused window for each capture"
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fi
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echo "🎬 Screenshot Watcher"
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echo " Signal dir: $SIGNAL_DIR"
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echo " Output dir: $OUTPUT_DIR"
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echo " Window ID: ${WINDOW_ID:-<focused>}"
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echo ""
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echo "Waiting for signals... (Ctrl+C to stop)"
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echo "Enable in jcode with: /screenshot-mode on"
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echo ""
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capture_signal() {
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local file="$1"
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local state_name="${file%.ready}"
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local signal_path="$SIGNAL_DIR/$file"
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local output_path="$OUTPUT_DIR/${state_name}.png"
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echo "📸 Signal: $state_name"
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# Read metadata from signal file
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if [ -f "$signal_path" ]; then
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cat "$signal_path" | jq . 2>/dev/null || true
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fi
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# Small delay to ensure UI is fully rendered
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sleep 0.15
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# Focus window if ID provided, otherwise use current focus
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if [ -n "$WINDOW_ID" ]; then
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niri msg action focus-window --id "$WINDOW_ID"
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sleep 0.1
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fi
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# Capture screenshot
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niri msg action screenshot-window --path "$output_path"
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# Clear the signal
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rm -f "$signal_path"
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echo " ✅ Saved: $output_path"
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echo ""
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}
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# Try inotifywait first, fall back to polling
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if command -v inotifywait &>/dev/null; then
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echo "Using inotifywait for efficient watching..."
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inotifywait -m -e create -e modify "$SIGNAL_DIR" 2>/dev/null | while read -r dir event file; do
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if [[ "$file" == *.ready ]]; then
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capture_signal "$file"
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fi
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done
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else
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echo "Using polling (install inotify-tools for better performance)..."
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SEEN_FILES=""
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shopt -s nullglob
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while true; do
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for file in "$SIGNAL_DIR"/*.ready; do
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[ -e "$file" ] || continue
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basename_file=$(basename "$file")
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if [[ ! " $SEEN_FILES " =~ " $basename_file " ]]; then
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capture_signal "$basename_file"
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SEEN_FILES="$SEEN_FILES $basename_file"
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fi
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done
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sleep 0.2
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done
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fi
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